:root {
            --primary-green: #10b981;
            --secondary-green: #34d399;
            --light-green: #6ee7b7;
            --accent-green: #a7f3d0;
            --bg-green: #ecfdf5;
            --dark-bg: #064e3b;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --surface-bg: #ffffff;
            --surface-alt: #f8fafc;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 50px rgba(16, 185, 129, 0.15);
            --gradient-primary: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
            --gradient-subtle: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: #ffffff;
            color: var(--text-primary);
            line-height: 1.7;
            letter-spacing: -0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* 背景装饰元素 */
        .bg-decoration {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            overflow: hidden;
        }

        .bg-decoration::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -5%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 30s ease-in-out infinite;
        }

        .bg-decoration::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(52, 211, 153, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 25s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(30px, -30px) scale(1.05); }
            66% { transform: translate(-20px, 20px) scale(0.95); }
        }

        /* 导航栏 */
        .navbar {
            background: rgba(248, 253, 250, 0.95) !important;
            backdrop-filter: blur(20px) saturate(180%);
            box-shadow: 0 1px 3px rgba(16, 185, 129, 0.04), 0 1px 2px rgba(16, 185, 129, 0.02);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(16, 185, 129, 0.08);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.98) !important;
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
            padding: 12px 0;
            border-bottom-color: rgba(16, 185, 129, 0.12);
        }

        .navbar-brand {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary-green) !important;
            letter-spacing: -0.03em;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .navbar-brand:hover {
            transform: scale(1.03);
            filter: brightness(1.05);
        }

        .navbar-brand i {
            color: var(--secondary-green);
            margin-right: 8px;
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }

        .navbar-brand:hover i {
            transform: rotate(-10deg) scale(1.1);
        }

        /* 移动端导航按钮 */
        .navbar-toggler {
            border: none;
            padding: 8px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: none;
        }

        .navbar-toggler-icon {
            width: 24px;
            height: 24px;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(16, 185, 129, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        #navbarNav {
            justify-content: center;
        }

        .navbar-nav {
            display: flex;
            justify-content: space-evenly;
            width: 100%;
            align-items: center;
        }

        .nav-link {
            background: transparent;
            color: #5a826a !important;
            font-weight: 500;
            font-size: 0.98rem;
            padding: 10px 18px !important;
            border-radius: 10px;
            border: none;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            position: relative;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-green), var(--secondary-green));
            border-radius: 2px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at center, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
            border-radius: 10px;
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .nav-link:hover::before,
        .nav-link.active::before {
            transform: translateX(-50%) scaleX(1);
            width: 24px;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            opacity: 1;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--primary-green) !important;
            background: rgba(16, 185, 129, 0.08);
        }

        .nav-link i {
            font-size: 1.05rem;
            transition: transform 0.3s ease;
        }

        .nav-link:hover i {
            transform: scale(1.15);
        }

        .btn-blog {
            background: transparent;
            color: var(--text-secondary) !important;
            border: none;
            padding: 10px 18px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 0.98rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-blog:hover {
            color: var(--primary-green) !important;
            background: rgba(16, 185, 129, 0.08);
        }

        /* 主导航栏 - 分类导航条带 */
        .category-nav-bar {
            background: linear-gradient(90deg, rgba(5, 150, 105, 0.08) 0%, rgba(16, 185, 129, 0.06) 100%);
            border-bottom: 1px solid rgba(5, 150, 105, 0.15);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
        }

        .category-nav-container {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }

        .category-nav-btn {
            background: #ffffff;
            color: #059669;
            border: 2px solid rgba(5, 150, 105, 0.2);
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .category-nav-btn:hover {
            background: rgba(5, 150, 105, 0.1);
            border-color: rgba(5, 150, 105, 0.4);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
        }

        .category-nav-btn.active {
            background: linear-gradient(135deg, #059669 0%, #10b981 100%);
            color: #ffffff;
            border-color: #059669;
            box-shadow: 0 4px 16px rgba(5, 150, 105, 0.35);
        }

        .category-nav-btn i {
            font-size: 16px;
        }

        @media (max-width: 767px) {
            .category-nav-bar {
                padding: 12px 0;
            }

            .category-nav-container {
                gap: 8px;
                overflow-x: auto;
                justify-content: flex-start;
                padding: 0 16px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }

            .category-nav-container::-webkit-scrollbar {
                display: none;
            }

            .category-nav-btn {
                padding: 8px 16px;
                font-size: 13px;
                flex-shrink: 0;
            }

            .category-nav-btn i {
                font-size: 14px;
            }
        }

        .navbar .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-login {
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            color: #fff !important;
            border: none;
            padding: 10px 26px;
            border-radius: 10px;
            font-weight: 400;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(5, 150, 105, 0.3);
            color: #fff !important;
        }

        .btn-outline-login {
            background: transparent;
            color: var(--primary-green) !important;
            border: 2px solid var(--primary-green);
            padding: 10px 26px;
            border-radius: 10px;
            font-weight: 400;
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }

        .btn-outline-login:hover {
            background: var(--primary-green);
            color: #fff !important;
            transform: translateY(-2px);
        }

        /* 登录/注册模态框中的标签样式 */
        #authTabs .nav-link {
            color: #495057 !important;
            background-color: #e9ecef;
            border: 1px solid #dee2e6;
            margin: 0 5px;
        }

        #authTabs .nav-link.active {
            color: #fff !important;
            background-color: var(--primary-green);
            border-color: var(--primary-green);
        }

        .privacy-agreement {
            font-size: 13px;
            padding: 12px;
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 16px;
        }

        .privacy-agreement a {
            color: var(--primary-green);
            text-decoration: none;
        }

        /* Hero区域 */
        .hero-section {
            padding: 140px 0 120px;
            text-align: center;
            background: var(--gradient-primary);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 25s ease-in-out infinite;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 20s ease-in-out infinite reverse;
        }

        .hero-particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            overflow: hidden;
        }

        .hero-particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            animation: particle 20s linear infinite;
        }

        .hero-particle:nth-child(1) { left: 10%; animation-delay: 0s; }
        .hero-particle:nth-child(2) { left: 20%; animation-delay: 2s; }
        .hero-particle:nth-child(3) { left: 30%; animation-delay: 4s; }
        .hero-particle:nth-child(4) { left: 40%; animation-delay: 6s; }
        .hero-particle:nth-child(5) { left: 50%; animation-delay: 8s; }
        .hero-particle:nth-child(6) { left: 60%; animation-delay: 10s; }
        .hero-particle:nth-child(7) { left: 70%; animation-delay: 12s; }
        .hero-particle:nth-child(8) { left: 80%; animation-delay: 14s; }
        .hero-particle:nth-child(9) { left: 90%; animation-delay: 16s; }

        @keyframes particle {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) scale(1);
                opacity: 0;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 32px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.25);
            animation: fadeInUp 0.8s ease-out;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .hero-badge i {
            font-size: 1.1rem;
        }

        .hero-title {
            font-size: 3.75rem;
            font-weight: 800;
            margin-bottom: 28px;
            color: white;
            letter-spacing: -0.03em;
            line-height: 1.15;
            animation: fadeInUp 0.8s ease-out 0.2s both;
            position: relative;
            z-index: 1;
            text-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        .hero-subtitle {
            font-size: 1.35rem;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 52px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
            animation: fadeInUp 0.8s ease-out 0.4s both;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }

        .hero-keywords {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 44px;
            animation: fadeInUp 0.8s ease-out 0.5s both;
            position: relative;
            z-index: 1;
        }

        .hero-keyword {
            background: rgba(255,255,255,0.18);
            padding: 10px 20px;
            border-radius: 25px;
            font-size: 0.92rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.25);
            transition: all 0.3s ease;
            letter-spacing: 0.01em;
        }

        .hero-keyword:hover {
            background: rgba(255,255,255,0.25);
            transform: translateY(-2px);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease-out 0.6s both;
            position: relative;
            z-index: 1;
        }

        /* 数据统计区 */
        .stats-section {
            padding: 70px 0;
            background: #fff;
            position: relative;
            margin-top: -70px;
            z-index: 10;
        }

        .stats-card {
            background: #fff;
            border-radius: 24px;
            padding: 48px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--border-color);
        }

        /* 教程卡片样式 */
        .tutorial-card {
            background: #fff;
            border-radius: 24px;
            padding: 40px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .tutorial-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-green), var(--secondary-green), var(--light-green));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .tutorial-card:hover {
            transform: translateY(-12px);
            box-shadow: var(--shadow-xl);
        }

        .tutorial-card:hover::before {
            transform: scaleX(1);
        }

        .tutorial-step {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 3.5rem;
            font-weight: 900;
            color: rgba(16, 185, 129, 0.06);
            line-height: 1;
        }

        .tutorial-icon {
            width: 72px;
            height: 72px;
            background: var(--gradient-subtle);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary-green);
            margin-bottom: 24px;
            transition: all 0.3s ease;
        }

        .tutorial-card:hover .tutorial-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .tutorial-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .tutorial-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .tutorial-tips {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 18px;
            background: var(--gradient-subtle);
            border-radius: 12px;
            font-size: 0.9rem;
            color: var(--primary-green);
            font-weight: 500;
        }

        .tutorial-tips i {
            font-size: 1.1rem;
        }

        .stat-item {
            text-align: center;
            padding: 24px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-green);
            margin-bottom: 10px;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.03em;
        }

        .stat-label {
            font-size: 1rem;
            color: #666;
            font-weight: 500;
        }

        .stat-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(5,150,105,0.1), rgba(52,211,153,0.1));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary-green);
        }

        /* 详细权益区 */
        .benefit-detail-section {
            padding: 100px 0;
            background: linear-gradient(180deg, #fff 0%, #f8fdf9 100%);
        }

        .benefit-detail-card {
            background: #fff;
            border-radius: 24px;
            padding: 48px;
            margin-bottom: 32px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #f0f0f0;
            transition: all 0.3s ease;
        }

        .benefit-detail-card:hover {
            box-shadow: 0 8px 40px rgba(5, 150, 105, 0.12);
            transform: translateY(-4px);
        }

        .benefit-detail-card.reverse {
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            color: #fff;
        }

        .benefit-detail-card.reverse .benefit-detail-title,
        .benefit-detail-card.reverse .benefit-detail-desc {
            color: #fff;
        }

        .benefit-detail-card.reverse .feature-list li {
            color: rgba(255,255,255,0.9);
        }

        .benefit-detail-card.reverse .feature-list li i {
            color: var(--accent-green);
        }

        .benefit-detail-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-green), var(--light-green));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin-bottom: 24px;
        }

        .benefit-detail-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 16px;
        }

        .benefit-detail-desc {
            font-size: 1.05rem;
            color: #666;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .feature-list {
            list-style: none;
            padding: 0;
        }

        .feature-list li {
            padding: 10px 0;
            color: #555;
            display: flex;
            align-items: center;
        }

        .feature-list li i {
            color: var(--primary-green);
            margin-right: 12px;
            font-size: 1.1rem;
        }

        /* 用户评价区 */
        .testimonials-section {
            padding: 100px 0;
            background: #fff;
        }

        .testimonial-card {
            background: #fafafa;
            border-radius: 20px;
            padding: 32px;
            height: 100%;
            transition: all 0.3s ease;
        }

        .testimonial-card:hover {
            background: #fff;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }

        .testimonial-quote {
            font-size: 1.05rem;
            color: #555;
            line-height: 1.8;
            margin-bottom: 24px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .testimonial-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-green), var(--light-green));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .testimonial-name {
            font-weight: 600;
            color: #1a1a1a;
        }

        .testimonial-role {
            font-size: 0.9rem;
            color: #888;
        }

        /* FAQ区 */
        .faq-section {
            padding: 100px 0;
            background: linear-gradient(180deg, #f8fdf9 0%, #fff 100%);
        }

        .faq-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid #e5e5e5;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .faq-question {
            padding: 24px;
            font-weight: 600;
            color: #1a1a1a;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: #f8f9fa;
        }

        .faq-answer {
            padding: 0 24px 24px;
            color: #666;
            line-height: 1.7;
            display: none;
        }

        .faq-card.active .faq-answer {
            display: block;
        }

        .faq-card.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--primary-green);
        }

        /* 精选工具展示区 */
        .featured-tools-section {
            padding: 100px 0;
            background: #fff;
        }

        .tool-showcase-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid #e5e5e5;
            transition: all 0.3s ease;
        }

        .tool-showcase-card:hover {
            box-shadow: 0 12px 40px rgba(5, 150, 105, 0.15);
            transform: translateY(-8px);
        }

        .tool-showcase-preview {
            height: 200px;
            background: linear-gradient(135deg, var(--primary-green), var(--light-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
        }

        .tool-showcase-content {
            padding: 24px;
        }

        .tool-showcase-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
        }

        .tool-showcase-desc {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .tool-showcase-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid #f0f0f0;
        }

        .tool-showcase-stats {
            display: flex;
            gap: 16px;
            color: #888;
            font-size: 0.9rem;
        }

        /* 对比区 */
        .comparison-section {
            padding: 100px 0;
            background: var(--dark-bg);
            color: #fff;
        }

        .comparison-section .section-title {
            color: #fff;
        }

        .comparison-section .section-subtitle {
            color: rgba(255,255,255,0.7);
        }

        .comparison-table {
            background: #ffffff;
            border-radius: 20px;
            padding: 0;
            border: none;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            overflow: hidden;
        }

        .comparison-header {
            display: grid;
            grid-template-columns: 1fr 140px 140px;
            gap: 20px;
            padding: 24px 32px;
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            border-bottom: none;
        }

        .comparison-header h4 {
            font-size: 1.1rem;
            color: #ffffff;
            margin: 0;
            align-self: center;
        }

        .comparison-header .comparison-value {
            text-align: center;
            font-size: 1rem;
            font-weight: 600;
        }

        .comparison-header .comparison-value:first-of-type {
            color: rgba(255, 255, 255, 0.9);
        }

        .comparison-header .comparison-value:last-of-type {
            background: #ffffff;
            color: var(--primary-green);
            padding: 8px 16px;
            border-radius: 8px;
        }

        .comparison-row {
            display: grid;
            grid-template-columns: 1fr 140px 140px;
            gap: 20px;
            padding: 20px 32px;
            border-bottom: 1px solid #f5f5f5;
            align-items: center;
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-row:hover {
            background: #fafbfc;
        }

        .comparison-label {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
        }

        .comparison-value {
            text-align: center;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 8px;
            font-weight: 500;
        }

        .comparison-value.bad {
            color: #9ca3af;
        }

        .comparison-value.good {
            color: var(--primary-green);
            background: rgba(16, 185, 129, 0.1);
            font-weight: 600;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary-large {
            background: white;
            color: var(--primary-green) !important;
            border: none;
            padding: 16px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 14px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .btn-primary-large::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
            transition: left 0.5s ease;
        }

        .btn-primary-large:hover::before {
            left: 100%;
        }

        .btn-primary-large:hover {
            background: #f8fafc;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(16, 185, 129, 0.25);
            color: var(--primary-green) !important;
        }

        .btn-primary-large:active {
            transform: translateY(-1px);
        }

        .btn-primary-large i {
            transition: transform 0.3s ease;
        }

        .btn-primary-large:hover i {
            transform: translateX(3px);
        }

        .btn-outline-large {
            background: transparent;
            color: white !important;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 16px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 14px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            position: relative;
            overflow: hidden;
        }

        .btn-outline-large::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.1);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .btn-outline-large:hover::before {
            transform: scaleX(1);
            transform-origin: left;
        }

        .btn-outline-large:hover {
            border-color: rgba(255, 255, 255, 0.9);
            color: white !important;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
        }

        .btn-outline-large:active {
            transform: translateY(-1px);
        }

        /* 核心功能区 */
        .features-section {
            padding: 50px 0;
            background: linear-gradient(180deg, #f8fdf9 0%, #fff 100%);
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #1a1a1a 0%, #10b981 50%, #34d399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            display: inline-block;
            width: 100%;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #10b981, #34d399, #6ee7b7);
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.15rem;
            color: #666;
            margin-bottom: 50px;
            margin-top: 20px;
            font-weight: 500;
            position: relative;
        }

        .feature-card {
            background: #fff;
            border: none;
            border-radius: 20px;
            padding: 40px 30px;
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-green), var(--light-green));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(16, 185, 129, 0.15);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 1.8rem;
            color: white;
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
        }

        .feature-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 16px;
        }

        .feature-desc {
            color: #666;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 工具展示区 */
        .tools-section {
            padding: 80px 0;
            background: #fafafa;
        }

        .search-container {
            max-width: 500px;
            margin: 0 auto 30px;
        }

        .search-input {
            width: 100%;
            padding: 14px 20px;
            border: 1px solid #e5e5e5;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.2s ease;
            background: #fff;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--light-green);
            box-shadow: 0 0 0 3px rgba(67, 160, 71, 0.1);
        }

        .category-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .category-tab {
            padding: 8px 20px;
            border: 1px solid #e5e5e5;
            border-radius: 8px;
            background: #fff;
            color: #666;
            cursor: pointer;
            transition: all 0.2s ease;
            font-weight: 500;
            font-size: 0.95rem;
        }

        .category-tab:hover {
            border-color: var(--light-green);
            color: var(--primary-green);
        }

        .category-tab.active {
            background: var(--primary-green);
            color: #fff;
            border-color: var(--primary-green);
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }

        .tool-card {
            background: #fff;
            border: 1px solid #e5e5e5;
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .tool-card:hover {
            border-color: var(--light-green);
            box-shadow: 0 8px 30px rgba(26, 95, 63, 0.1);
            transform: translateY(-4px);
        }

        .tool-preview {
            height: 160px;
            background: linear-gradient(135deg, var(--primary-green), var(--light-green));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }

        .tool-content {
            padding: 20px;
        }

        .tool-badge {
            display: inline-block;
            background: #e8f5e9;
            color: var(--primary-green);
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .tool-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 8px;
        }

        .tool-desc {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .tool-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid #f0f0f0;
        }

        .tool-author {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #888;
            font-size: 0.85rem;
        }

        .tool-stats {
            display: flex;
            gap: 12px;
            color: #888;
            font-size: 0.85rem;
        }

        /* 工具操作按钮 */
        .tool-actions {
            display: flex;
            gap: 8px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #f0f0f0;
        }

        .btn-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border: 1px solid #e5e5e5;
            background: #fff;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.85rem;
            color: #666;
            transition: all 0.2s ease;
        }

        .btn-action:hover {
            border-color: var(--light-green);
            color: var(--primary-green);
            background: #f0fdf4;
        }

        .btn-action.active {
            background: linear-gradient(135deg, #10b981, #34d399);
            border-color: transparent;
            color: #fff;
        }

        .btn-action i {
            font-size: 1rem;
        }

        .btn-like.active i {
            color: #fff;
        }

        .btn-favorite.active i {
            color: #fff;
        }

        /* ==================== 精品工具库列表 - 全新设计 ==================== */
        .inline-tools-overlay {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #ffffff;
            z-index: 999;
            display: none;
            overflow-y: auto;
            font-family: 'PingFang SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        .inline-tools-overlay.show {
            display: block;
        }

        /* 顶部标题栏 */
        .tools-library-header {
            background: #ffffff;
            border-bottom: 1px solid #e8e8e8;
            padding: 40px 0 28px;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .tools-library-header .container {
            max-width: 900px;
        }

        .tools-library-title {
            font-size: 36px;
            font-weight: 700;
            color: #000000;
            margin: 0 0 12px 0;
            letter-spacing: -0.5px;
            text-align: center;
            background: linear-gradient(135deg, #059669 0%, #10b981 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tools-library-subtitle {
            font-size: 15px;
            color: #888888;
            margin: 0;
            text-align: center;
            font-weight: 400;
        }

        .tools-library-close {
            position: absolute;
            top: 36px;
            right: 20px;
            background: #f5f5f5;
            border: none;
            font-size: 14px;
            color: #666666;
            cursor: pointer;
            padding: 10px 18px;
            border-radius: 8px;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }

        .tools-library-close:hover {
            background: #e8e8e8;
            color: #000000;
        }

        @media (max-width: 768px) {
            .tools-library-close {
                top: 20px;
                right: 15px;
                padding: 8px 14px;
                font-size: 13px;
            }

            .tools-library-title {
                font-size: 28px;
            }
        }

        /* 搜索和筛选区域 */
        .tools-filter-section {
            background: #fafafa;
            padding: 24px 0;
            border-bottom: 1px solid #e8e8e8;
        }

        .tools-search-wrapper {
            display: flex;
            align-items: center;
            background: #ffffff;
            border: 1px solid #e8e8e8;
            border-radius: 8px;
            padding: 12px 16px;
            margin-bottom: 16px;
            transition: border-color 0.2s ease;
        }

        .tools-search-wrapper:focus-within {
            border-color: #059669;
        }

        .tools-search-icon {
            font-size: 18px;
            color: #666666;
            margin-right: 12px;
        }

        .tools-search-input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 15px;
            color: #000000;
            background: transparent;
        }

        .tools-search-input::placeholder {
            color: #999999;
        }

        /* 分类标签 */
        .tools-categories-wrapper {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 隐藏分类标签（非工具分类时） */
        .tools-categories-wrapper.hidden {
            display: none;
        }

        .tools-category-tag {
            padding: 6px 12px;
            background: #ffffff;
            border: 1px solid #e8e8e8;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 400;
            color: #10b981;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tools-category-tag .count-badge {
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
            padding: 2px 6px;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 400;
        }

        .tools-category-tag:hover {
            border-color: #10b981;
            background: rgba(16, 185, 129, 0.05);
        }

        .tools-category-tag.active {
            background: rgba(16, 185, 129, 0.1);
            border-color: #10b981;
            color: #059669;
        }

        .tools-category-tag.active .count-badge {
            background: #10b981;
            color: #ffffff;
        }

        /* 小程序专属按钮组 */
        .miniprogram-actions-wrapper {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
            padding: 16px;
            background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
            border-radius: 12px;
            border: 1px solid #bbf7d0;
        }

        .miniprogram-action-btn {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #ffffff;
            border: none;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
        }

        .miniprogram-action-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
            background: linear-gradient(135deg, #059669 0%, #047857 100%);
        }

        .miniprogram-action-btn.secondary {
            background: #ffffff;
            color: #10b981;
            border: 2px solid #10b981;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
        }

        .miniprogram-action-btn.secondary:hover {
            background: #f0fdf4;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
        }

        .miniprogram-action-btn i {
            font-size: 18px;
        }

        /* 小程序上传页面样式 */
        #miniprogramUploadPage {
            position: fixed;
            top: 76px;
            left: 0;
            width: 100%;
            height: calc(100vh - 76px);
            background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
            z-index: 1000;
            overflow-y: auto;
        }

        .miniprogram-upload-container {
            max-width: 700px;
            margin: 0 auto;
            padding: 40px 20px 60px;
        }

        .miniprogram-back-btn {
            background: #ffffff;
            color: #10b981;
            border: 2px solid #10b981;
            padding: 10px 20px;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .miniprogram-back-btn:hover {
            background: #10b981;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        .miniprogram-upload-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .miniprogram-upload-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: #059669;
            margin-bottom: 8px;
        }

        .miniprogram-upload-header h1 i {
            margin-right: 10px;
        }

        .miniprogram-upload-header p {
            font-size: 16px;
            color: #6b7280;
            margin: 0;
        }

        .miniprogram-upload-card {
            background: #ffffff;
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }

        .mp-upload-login-alert {
            text-align: center;
            padding: 60px 20px;
            background: #fef3c7;
            border-radius: 16px;
        }

        .mp-upload-login-alert i {
            font-size: 56px;
            color: #f59e0b;
            margin-bottom: 16px;
            display: block;
        }

        .mp-upload-login-alert p {
            font-size: 18px;
            color: #92400e;
            margin: 0;
        }

        .mp-upload-login-alert a {
            color: #10b981;
            font-weight: 600;
            text-decoration: none;
        }

        .mp-upload-login-alert a:hover {
            text-decoration: underline;
        }

        .mp-intro-box {
            background: linear-gradient(135deg, #e0f2fe 0%, #f0fdf4 100%);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 30px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .mp-intro-box i {
            font-size: 24px;
            color: #10b981;
            flex-shrink: 0;
        }

        .mp-intro-box strong {
            display: block;
            margin-bottom: 6px;
            color: #059669;
            font-size: 16px;
        }

        .mp-intro-box p {
            margin: 0;
            font-size: 14px;
            color: #6b7280;
            line-height: 1.6;
        }

        .mp-upload-area {
            border: 3px dashed #d1d5db;
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 30px;
            background: #f9fafb;
        }

        .mp-upload-area:hover {
            border-color: #10b981;
            background: #f0fdf4;
        }

        .mp-upload-area.dragover {
            border-color: #10b981;
            background: #f0fdf4;
        }

        .mp-upload-icon {
            font-size: 48px;
            color: #10b981;
            margin-bottom: 16px;
        }

        .mp-upload-text {
            font-size: 18px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 8px;
        }

        .mp-upload-hint {
            font-size: 14px;
            color: #9ca3af;
            margin: 0;
        }

        .mp-file-info {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: #f0fdf4;
            border-radius: 12px;
            border: 2px solid #10b981;
        }

        .mp-file-info i {
            font-size: 28px;
            color: #10b981;
        }

        .mp-file-name {
            flex: 1;
            font-weight: 500;
            color: #1f2937;
            text-align: left;
        }

        .mp-file-remove {
            background: #ef4444;
            color: #fff;
            border: none;
            border-radius: 8px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .mp-file-remove:hover {
            background: #dc2626;
        }

        .mp-form-group {
            margin-bottom: 24px;
        }

        .mp-form-label {
            display: block;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 8px;
            font-size: 15px;
        }

        .mp-form-label span {
            color: #ef4444;
        }

        .mp-form-control {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            font-size: 15px;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .mp-form-control:focus {
            outline: none;
            border-color: #10b981;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        .mp-form-control::placeholder {
            color: #9ca3af;
        }

        textarea.mp-form-control {
            resize: vertical;
            min-height: 100px;
        }

        .mp-check-wrapper {
            margin-bottom: 24px;
            padding: 16px;
            background: #f9fafb;
            border-radius: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .mp-check-wrapper input[type="checkbox"] {
            width: 20px;
            height: 20px;
            margin-top: 2px;
            accent-color: #10b981;
        }

        .mp-check-wrapper label {
            font-size: 14px;
            color: #4b5563;
            line-height: 1.6;
        }

        .mp-check-wrapper a {
            color: #10b981;
            text-decoration: none;
        }

        .mp-check-wrapper a:hover {
            text-decoration: underline;
        }

        .mp-submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #ffffff;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .mp-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35);
        }

        .mp-submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        /* 响应式 */
        @media (max-width: 767px) {
            .miniprogram-upload-container {
                padding: 20px 16px 40px;
            }

            .miniprogram-upload-header h1 {
                font-size: 24px;
            }

            .miniprogram-upload-card {
                padding: 24px;
                border-radius: 20px;
            }

            .mp-upload-area {
                padding: 30px 20px;
            }
        }

        /* 二维码上传区域样式 */
        .mp-qr-upload-area {
            border: 2px dashed #e5e7eb;
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
            background: #fafafa;
            position: relative;
        }

        .mp-qr-upload-area:hover {
            border-color: #10b981;
            background: #f0fdf4;
        }

        .mp-qr-upload-area.dragover {
            border-color: #10b981;
            background: #f0fdf4;
            transform: scale(1.02);
        }

        .mp-qr-upload-content {
            display: block;
        }

        .mp-qr-upload-icon {
            font-size: 42px;
            color: #10b981;
            margin-bottom: 12px;
        }

        .mp-qr-upload-text {
            font-size: 16px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 6px;
        }

        .mp-qr-upload-hint {
            font-size: 13px;
            color: #9ca3af;
            margin: 0;
        }

        .mp-qr-preview {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 16px;
            background: #f0fdf4;
            border-radius: 12px;
            border: 2px solid #10b981;
        }

        .mp-qr-preview img {
            max-width: 120px;
            max-height: 120px;
            object-fit: contain;
            border-radius: 8px;
            border: 1px solid #e5e7eb;
        }

        .mp-qr-remove {
            background: #ef4444;
            color: #fff;
            border: none;
            border-radius: 8px;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s ease;
            font-size: 18px;
        }

        .mp-qr-remove:hover {
            background: #dc2626;
        }

        /* 二维码帮助按钮 */
        .mp-qr-help-btn {
            background: none;
            border: none;
            color: #10b981;
            cursor: pointer;
            padding: 4px 8px;
            font-size: 16px;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            margin-left: 8px;
        }

        .mp-qr-help-btn:hover {
            color: #059669;
            transform: scale(1.1);
        }

        /* 分类选择框 */
        #mpCategory {
            cursor: pointer;
            background-color: #fff;
        }

        /* 二维码教程模态框样式 */
        .qr-tutorial-content {
            padding: 10px 0;
        }

        .qr-tutorial-section {
            margin-bottom: 24px;
            padding-bottom: 24px;
            border-bottom: 1px solid #e5e7eb;
        }

        .qr-tutorial-section:last-of-type {
            border-bottom: none;
        }

        .qr-tutorial-section h6 {
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qr-tutorial-section ol {
            padding-left: 20px;
            margin: 0;
        }

        .qr-tutorial-section ol li {
            margin-bottom: 8px;
            color: #4b5563;
            line-height: 1.6;
        }

        .qr-tutorial-section p {
            color: #4b5563;
            margin: 8px 0;
        }

        .qr-tutorial-section a {
            color: #10b981;
            text-decoration: none;
            font-weight: 500;
        }

        .qr-tutorial-section a:hover {
            text-decoration: underline;
        }

        .qr-tutorial-tip {
            margin-top: 12px;
            padding: 12px 16px;
            background: #fef3c7;
            border-left: 3px solid #f59e0b;
            border-radius: 6px;
            font-size: 14px;
            color: #92400e;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qr-tutorial-note {
            padding: 12px 16px;
            background: #fee2e2;
            border-left: 3px solid #ef4444;
            border-radius: 6px;
            font-size: 14px;
            color: #991b1b;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        /* 小程序教程页面样式 */
        .miniprogram-tutorial-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #ffffff;
            z-index: 2000;
            overflow-y: auto;
        }

        .tutorial-back-btn {
            position: fixed;
            top: 20px;
            left: 20px;
            background: #ffffff;
            color: #10b981;
            border: 2px solid #10b981;
            padding: 10px 20px;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 1001;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .tutorial-back-btn:hover {
            background: #10b981;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        .tutorial-header {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #ffffff;
            padding: 80px 0 60px;
            text-align: center;
        }

        .tutorial-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .tutorial-title i {
            margin-right: 12px;
        }

        .tutorial-subtitle {
            font-size: 18px;
            opacity: 0.9;
            margin: 0;
        }

        .tutorial-content {
            padding: 60px 0;
        }

        .tutorial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .tutorial-card {
            background: #ffffff;
            border: 1px solid #e5e5e5;
            border-radius: 20px;
            padding: 32px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .tutorial-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
            border-color: #10b981;
        }

        .tutorial-card-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .tutorial-card-icon i {
            font-size: 28px;
            color: #ffffff;
        }

        .tutorial-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #1f2937;
        }

        .tutorial-card p {
            color: #6b7280;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .tutorial-card ul {
            list-style: none;
            padding: 0;
            margin-bottom: 24px;
        }

        .tutorial-card ul li {
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            color: #4b5563;
        }

        .tutorial-card ul li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: 700;
        }

        .tutorial-card-btn {
            width: 100%;
            padding: 12px 24px;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #ffffff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .tutorial-card-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
        }

        /* 工具列表区域 - 两栏布局（美化升级版） */
        .tools-list-section {
            padding: 32px 0 60px;
            background: linear-gradient(135deg, #f8fdf9 0%, #ffffff 50%, #f0fdfa 100%);
            position: relative;
        }

        .tools-list-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 50%),
                        radial-gradient(circle at 80% 50%, rgba(52, 211, 153, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }

        .tools-main-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 40px;
            align-items: start;
        }

        /* 右侧工具内容区 */
        .tools-content {
            min-height: 400px;
        }

        /* 左侧排行榜卡片区 */
        .tools-left-sidebar {
            position: sticky;
            top: 100px;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
        }

        /* 隐藏排行榜 */
        .tools-left-sidebar.hidden {
            display: none;
        }

        .tools-ranking-card {
            background: linear-gradient(145deg, #ffffff 0%, #f8fdf9 100%);
            border: none;
            border-radius: 24px;
            padding: 28px 20px;
            box-shadow: 0 8px 32px rgba(16, 185, 129, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .tools-ranking-card:hover {
            box-shadow: 0 12px 48px rgba(16, 185, 129, 0.18), 0 4px 12px rgba(0, 0, 0, 0.06);
            transform: translateY(-2px);
        }

        .tools-ranking-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #10b981, #34d399, #6ee7b7, #34d399, #10b981);
            background-size: 200% 100%;
            animation: gradient-flow 3s linear infinite;
            border-radius: 24px 24px 0 0;
        }

        @keyframes gradient-flow {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }

        .tools-ranking-card::after {
            content: '';
            position: absolute;
            top: 20px;
            right: 20px;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        /* 排行榜头部 */
        .tools-ranking-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .tools-ranking-title {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.02em;
            position: relative;
            background: linear-gradient(135deg, #1a1a1a 0%, #10b981 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            flex: 1;
        }

        .tools-ranking-title::before {
            content: '🏆';
            margin-right: 8px;
            font-size: 20px;
        }

        /* 查看完整排行榜按钮 */
        .tools-ranking-more-btn {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
            border: none !important;
            width: 40px !important;
            height: 40px !important;
            min-width: 40px !important;
            min-height: 40px !important;
            border-radius: 10px !important;
            display: flex !important;
            align-items: center !important;
            justify-content: center !important;
            cursor: pointer !important;
            transition: all 0.3s ease !important;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2) !important;
            flex-shrink: 0 !important;
            margin-left: 12px !important;
            padding: 0 !important;
            position: relative !important;
            z-index: 10 !important;
            opacity: 1 !important;
            visibility: visible !important;
        }

        .tools-ranking-more-btn:hover {
            transform: translateY(-2px) !important;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3) !important;
            background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
        }

        .tools-ranking-more-btn i {
            color: white !important;
            font-size: 20px !important;
        }

        .tools-ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tools-ranking-item {
            display: flex;
            align-items: center;
            padding: 14px 12px;
            border-radius: 12px;
            margin-bottom: 8px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .tools-ranking-item:last-child {
            margin-bottom: 0;
        }

        .tools-ranking-item:hover {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(52, 211, 153, 0.04) 100%);
            transform: translateX(4px);
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.1);
        }

        .tools-ranking-number {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            border-radius: 12px;
            margin-right: 14px;
            flex-shrink: 0;
            position: relative;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .tools-ranking-item:nth-child(1) .tools-ranking-number {
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
            color: #fff;
            box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
        }

        .tools-ranking-item:nth-child(2) .tools-ranking-number {
            background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
            color: #6b7280;
            box-shadow: 0 4px 12px rgba(209, 213, 219, 0.4);
        }

        .tools-ranking-item:nth-child(3) .tools-ranking-number {
            background: linear-gradient(135deg, #fdba74 0%, #fb923c 100%);
            color: #fff;
            box-shadow: 0 4px 12px rgba(251, 146, 60, 0.4);
        }

        .tools-ranking-item:nth-child(n+4) .tools-ranking-number {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(52, 211, 153, 0.08) 100%);
            color: var(--primary-green);
            box-shadow: none;
        }

        .tools-ranking-user {
            flex: 1;
            min-width: 0;
        }

        .tools-ranking-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            letter-spacing: -0.01em;
        }

        .tools-ranking-count {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .tools-ranking-count span {
            color: var(--primary-green);
            font-weight: 700;
            font-size: 15px;
        }

        .tools-grid-new {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

        /* 官方精选推荐 - 网格布局，自动换行 */
        .tools-grid-new.featured-layout {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            padding: 10px 0 20px 0;
            width: 100%;
        }

        /* 当工具内容区包含精选推荐布局时，隐藏左侧排行榜，让内容区全宽 */
        .tools-main-layout:has(.tools-grid-new.featured-layout) {
            grid-template-columns: 1fr;
        }

        .tools-main-layout:has(.tools-grid-new.featured-layout) .tools-left-sidebar {
            display: none;
        }

        /* 兼容不支持:has()的浏览器 - 通过JS添加class */
        .tools-main-layout.full-width-layout {
            grid-template-columns: 1fr;
        }

        .tools-main-layout.full-width-layout .tools-left-sidebar {
            display: none;
        }

        /* 官方精选推荐使用网格自动换行，无需滚动条样式 */

        /* 工具卡片 - 新设计（美化升级版） */
        .tool-card-new {
            background: #ffffff;
            border: 1px solid #e8e8e8;
            border-radius: 20px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            height: auto;
            position: relative;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .tool-card-new::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 20px;
            padding: 2px;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0), rgba(16, 185, 129, 0));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        .tool-card-new:hover {
            border-color: transparent;
            box-shadow: 0 20px 60px rgba(16, 185, 129, 0.25);
            transform: translateY(-8px) scale(1.02);
        }

        .tool-card-new:hover::before {
            opacity: 1;
            background: linear-gradient(135deg, #10b981, #34d399, #6ee7b7);
        }

        .tool-card-preview {
            height: 140px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        /* 动态渐变背景动画 */
        .tool-card-preview::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(52, 211, 153, 0.03) 100%);
        }

        .tool-card-preview-icon {
            font-size: 56px;
            color: #059669;
            position: relative;
            z-index: 1;
            transition: transform 0.3s ease;
        }

        .tool-card-new:hover .tool-card-preview-icon {
            transform: scale(1.1);
        }

        .tool-card-featured-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
            color: white;
            font-size: 11px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 4px;
            z-index: 2;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
            animation: pulse-glow 2s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4); }
            50% { box-shadow: 0 4px 20px rgba(245, 158, 11, 0.6); }
        }

        .tool-card-featured-badge i {
            font-size: 10px;
        }

        /* 小程序二维码预览 */
        .tool-card-qr-preview {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: relative;
            z-index: 1;
        }

        .tool-card-preview i.bi-qr-code {
            font-size: 56px;
            color: #059669;
            position: relative;
            z-index: 1;
        }

        .tool-card-content {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            min-width: 0;
            background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
        }

        /* 彩色分类标签 */
        .tool-card-category {
            display: inline-block;
            font-size: 11px;
            color: #6ee7b7;
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            background: #e8f5e9;
        }
        .tool-card-category::before {
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s ease;
        }

        .tool-card-new:hover .tool-card-category::before {
            left: 100%;
        }

        /* 分类颜色 */
        .tool-card-category[data-category="工具"],
        .tool-card-category[data-category="开发工具"],
        .tool-card-category[data-category="实用工具"] {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }

        .tool-card-category[data-category="游戏"],
        .tool-card-category[data-category="娱乐"] {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        }

        .tool-card-category[data-category="图表"],
        .tool-card-category[data-category="数据可视化"] {
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
        }

        .tool-card-category[data-category="动画"],
        .tool-card-category[data-category="特效"] {
            background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
        }

        .tool-card-category[data-category="教育"],
        .tool-card-category[data-category="学习"] {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        }

        .tool-card-category[data-category="AI"],
        .tool-card-category[data-category="人工智能"] {
            background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
        }

        .tool-card-category[data-category="小程序"] {
            background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
            color: #333;
        }

        .tool-card-title {
            font-size: 17px;
            font-weight: 700;
            color: #1a1a1a;
            margin: 0 0 10px 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            word-break: break-word;
            overflow-wrap: break-word;
            max-width: 100%;
            background: linear-gradient(135deg, #1a1a1a 0%, #4a5568 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tool-card-description {
            font-size: 13px;
            color: #666666;
            line-height: 1.7;
            margin: 0 0 14px 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            word-break: break-word;
            overflow-wrap: break-word;
            max-width: 100%;
        }

        .tool-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(240, 240, 240, 0.8);
        }

        .tool-card-author {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: #666666;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            font-weight: 500;
        }

        .tool-card-author i {
            color: #10b981;
            font-size: 14px;
        }

        .tool-card-stats {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: #999999;
        }

        .tool-card-stat {
            display: flex;
            align-items: center;
            gap: 5px;
            transition: all 0.2s ease;
        }

        .tool-card-stat:hover {
            color: #10b981;
            transform: scale(1.1);
        }

        .tool-card-stat i {
            font-size: 14px;
        }

        /* 工具卡片操作按钮（美化升级版） */
        .tool-card-actions {
            display: flex;
            gap: 10px;
            padding-top: 14px;
            border-top: 1px solid rgba(240, 240, 240, 0.8);
        }

        .tool-card-action-btn {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 14px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border: 1px solid #e9ecef;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 500;
            color: #666;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .tool-card-action-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(52, 211, 153, 0.1) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .tool-card-action-btn:hover {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(52, 211, 153, 0.15) 100%);
            border-color: #10b981;
            color: #10b981;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
        }

        .tool-card-action-btn:hover::before {
            opacity: 1;
        }

        .tool-card-action-btn.active {
            background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
            border-color: #10b981;
            color: white;
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
        }

        .tool-card-action-btn.active::before {
            opacity: 0;
        }

        .tool-card-action-btn i {
            font-size: 15px;
            position: relative;
            z-index: 1;
        }

        .tool-card-action-btn span {
            position: relative;
            z-index: 1;
        }

        /* 点赞按钮特殊样式 - 绿色系 */
        .tool-card-action-btn.like-btn:hover {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(52, 211, 153, 0.15) 100%);
            border-color: #10b981;
            color: #10b981;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
        }

        .tool-card-action-btn.like-btn.active {
            background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
            border-color: #10b981;
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
        }

        /* 收藏按钮特殊样式 - 绿色系 */
        .tool-card-action-btn.favorite-btn:hover {
            background: linear-gradient(135deg, rgba(5, 150, 105, 0.15) 0%, rgba(16, 185, 129, 0.15) 100%);
            border-color: #059669;
            color: #059669;
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
        }

        .tool-card-action-btn.favorite-btn.active {
            background: linear-gradient(135deg, #059669 0%, #10b981 100%);
            border-color: #059669;
            box-shadow: 0 4px 16px rgba(5, 150, 105, 0.4);
        }

        /* 空状态（美化升级版） */
        .tools-empty-state {
            text-align: center;
            padding: 80px 20px;
            grid-column: 1 / -1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 300px;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(52, 211, 153, 0.03) 100%);
            border-radius: 20px;
            margin: 20px 0;
        }

        .tools-empty-icon {
            font-size: 72px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: float-icon 3s ease-in-out infinite;
        }

        @keyframes float-icon {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .tools-empty-text {
            font-size: 16px;
            color: #666666;
            margin: 0;
            font-weight: 500;
        }

        /* 加载状态（美化升级版） */
        .tools-loading-state {
            text-align: center;
            padding: 60px 20px;
            grid-column: 1 / -1;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(52, 211, 153, 0.03) 100%);
            border-radius: 20px;
            margin: 20px 0;
        }

        .tools-loading-spinner {
            width: 60px;
            height: 60px;
            position: relative;
            margin: 0 auto 20px;
        }

        .tools-loading-spinner::before,
        .tools-loading-spinner::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            animation: spin-pulse 1.5s ease-in-out infinite;
        }

        .tools-loading-spinner::before {
            width: 100%;
            height: 100%;
            border: 4px solid transparent;
            border-top-color: #10b981;
            border-right-color: #34d399;
            animation-duration: 1s;
            filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.3));
        }

        .tools-loading-spinner::after {
            width: 70%;
            height: 70%;
            top: 15%;
            left: 15%;
            border: 3px solid transparent;
            border-top-color: #f59e0b;
            border-right-color: #fbbf24;
            animation-duration: 1.5s;
            animation-direction: reverse;
            filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.3));
        }

        .tools-loading-spinner::after {
            width: 60%;
            height: 60%;
            top: 20%;
            left: 20%;
            border: 3px solid transparent;
            border-top-color: #34d399;
            border-left-color: #6ee7b7;
            animation-duration: 0.8s;
            animation-direction: reverse;
        }

        .tools-loading-progress {
            width: 200px;
            height: 4px;
            background: linear-gradient(90deg, #e8e8e8, #f0f0f0);
            border-radius: 2px;
            margin: 0 auto 16px;
            overflow: hidden;
            position: relative;
        }

        .tools-loading-progress::before {
            content: '';
            position: absolute;
            left: -50%;
            width: 50%;
            height: 100%;
            background: linear-gradient(90deg, transparent, #059669, #10b981, transparent);
            animation: progress-slide 1.5s ease-in-out infinite;
        }

        @keyframes spin-pulse {
            0% {
                transform: rotate(0deg) scale(1);
                opacity: 1;
            }
            50% {
                transform: rotate(180deg) scale(1.05);
                opacity: 0.8;
            }
            100% {
                transform: rotate(360deg) scale(1);
                opacity: 1;
            }
        }

        @keyframes progress-slide {
            0% {
                left: -50%;
            }
            100% {
                left: 100%;
            }
        }

        .tools-loading-text {
            font-size: 14px;
            color: #666666;
            margin: 0;
        }

        /* 分页 */
        .tools-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 16px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid #e8e8e8;
        }

        .tools-pagination-btn {
            padding: 10px 20px;
            background: #ffffff;
            border: 1px solid #e8e8e8;
            border-radius: 8px;
            font-size: 14px;
            color: #000000;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .tools-pagination-btn:hover:not(:disabled) {
            border-color: #059669;
            color: #059669;
        }

        .tools-pagination-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }

        .tools-pagination-info {
            font-size: 14px;
            color: #666666;
        }

        /* ========== 小程序详情页面 - 参考截图设计 ========== */
        .miniprogram-detail-page {
            display: none;
            min-height: calc(100vh - 76px);
            background: #f5f5f5;
        }

        .mp-detail-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 24px 60px;
        }

        /* 返回按钮 */
        .mp-detail-back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            color: #6b7280;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-bottom: 24px;
        }

        .mp-detail-back-btn:hover {
            background: #f8fafc;
            border-color: #22c55e;
            color: #22c55e;
        }

        .mp-detail-back-btn i {
            font-size: 14px;
        }

        /* 主内容容器 - 白色背景 */
        .mp-detail-content-wrapper {
            background: #fff;
            border-radius: 12px;
            overflow: visible;
        }

        /* 头部区域 - 标题、标签、二维码 */
        .mp-detail-header {
            padding: 40px;
            border-bottom: 1px solid #e5e7eb;
        }

        /* 标题区域 */
        .mp-detail-title-area {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 24px;
        }

        .mp-detail-title-left {
            flex: 1;
        }

        .mp-detail-title {
            font-size: 32px;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        /* 分类标签 */
        .mp-detail-category-tags {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .mp-tag-featured {
            display: inline-block;
            padding: 6px 14px;
            background: #fbbf24;
            color: #000;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
        }

        .mp-tag-miniprogram {
            display: inline-block;
            padding: 6px 14px;
            background: #22c55e;
            color: #fff;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
        }

        .mp-tag-category {
            display: inline-block;
            padding: 6px 14px;
            background: #6b7280;
            color: #fff;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
        }

        /* 二维码区域 */
        .mp-detail-qr-area {
            flex-shrink: 0;
            text-align: center;
        }

        .mp-detail-qr-label {
            font-size: 12px;
            color: #6b7280;
            margin-bottom: 8px;
        }

        .mp-detail-qr-wrapper {
            background: #fff;
            padding: 12px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            display: inline-block;
        }

        .mp-detail-qr-img {
            width: 180px;
            height: 180px;
            display: block;
            border-radius: 8px;
        }

        /* 元信息 */
        .mp-detail-meta {
            display: flex;
            gap: 24px;
            font-size: 14px;
            color: #6b7280;
        }

        .mp-detail-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 主内容区域 - 两列布局 */
        .mp-detail-main {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            padding: 32px 40px;
        }

        /* 左侧内容 */
        .mp-detail-left {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        /* 右侧操作栏 */
        .mp-detail-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        /* 内容区块 */
        .mp-detail-section {
            border-bottom: 1px solid #e5e7eb;
            padding-bottom: 24px;
        }

        .mp-detail-section:last-child {
            border-bottom: none;
        }

        .mp-detail-section-title {
            font-size: 14px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid #e5e7eb;
        }

        /* 描述列表 */
        .mp-detail-description-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mp-detail-description-list li {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.8;
            padding: 4px 0;
        }

        /* 标签列表 */
        .mp-detail-tags-list {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.8;
        }

        /* 快速操作按钮 */
        .mp-quick-action-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 12px 20px;
            background: #22c55e;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            height: 48px;
            text-decoration: none;
        }

        .mp-quick-action-btn:hover {
            background: #16a34a;
        }

        /* 提示信息 */
        .mp-detail-note {
            padding: 12px 16px;
            background: #f0fdf4;
            border-left: 4px solid #22c55e;
            border-radius: 4px;
            font-size: 12px;
            color: #6b7280;
            line-height: 1.6;
        }

        /* 扫码提示 */
        .mp-detail-tip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            background: #f0fdf4;
            border-radius: 8px;
            color: #22c55e;
            font-size: 14px;
            margin-top: 24px;
        }

        .mp-detail-tip i {
            font-size: 18px;
        }

        /* 相关工具推荐 - 垂直列表样式 */
        .mp-detail-related-section {
            border: 2px solid #22c55e;
            padding: 16px;
            background: #f0fdf4;
            border-radius: 8px;
            margin-top: 24px;
        }

        .mp-detail-related-title {
            font-size: 14px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid #e5e7eb;
        }

        .mp-related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mp-related-item {
            padding: 16px 0;
            border-bottom: 1px solid #e5e7eb;
        }

        .mp-related-item:last-child {
            border-bottom: none;
        }

        .mp-related-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .mp-related-name {
            font-size: 15px;
            font-weight: 500;
            color: #22c55e;
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .mp-related-name:hover {
            color: #16a34a;
            text-decoration: underline;
        }

        .mp-related-date {
            font-size: 12px;
            color: #9ca3af;
        }

        .mp-related-author {
            font-size: 13px;
            color: #9ca3af;
            margin-bottom: 6px;
        }

        .mp-related-desc {
            font-size: 13px;
            color: #22c55e;
            display: flex;
            align-items: flex-start;
            gap: 6px;
            line-height: 1.6;
        }

        .mp-related-desc i {
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* 响应式 */
        @media (max-width: 767px) {
            .mp-detail-container {
                padding: 24px 16px 40px;
            }

            .mp-detail-header {
                padding: 24px;
            }

            .mp-detail-title-area {
                flex-direction: column;
                gap: 24px;
            }

            .mp-detail-title {
                font-size: 24px;
            }

            .mp-detail-qr-img {
                width: 160px;
                height: 160px;
            }

            .mp-detail-meta {
                flex-wrap: wrap;
                gap: 16px;
            }

            .mp-detail-main {
                grid-template-columns: 1fr;
                padding: 24px;
                gap: 24px;
            }

            .mp-detail-related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 响应式设计 - 原有内容 */
        @media (max-width: 767px) {
            .tools-library-title {
                font-size: 24px;
            }

            .tools-main-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .tools-left-sidebar {
                position: static;
            }

            .tools-grid-new {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .tools-list-section {
                padding: 24px 0 40px;
            }

            .tools-filter-section {
                padding: 16px 0;
            }

            .tools-categories-wrapper {
                gap: 8px;
            }

            .tools-category-tag {
                padding: 6px 12px;
                font-size: 13px;
            }

            .tools-library-header {
                padding: 20px 0 16px;
            }

            .tools-library-close {
                top: 20px;
            }

            .tools-ranking-card {
                padding: 20px;
            }

            .tools-ranking-title {
                font-size: 18px;
            }

            .tools-ranking-item {
                padding: 10px 6px;
            }

            .tools-ranking-number {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .tools-ranking-name {
                font-size: 14px;
            }

            .tools-ranking-count {
                font-size: 12px;
            }
        }

        @media (min-width: 768px) and (max-width: 1024px) {
            .tools-main-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .tools-left-sidebar {
                position: static;
            }

            .tools-grid-new {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 联系我们页面 ========== */
        .contact-page {
            display: none;
            min-height: calc(100vh - 76px);
            background: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%);
        }

        .contact-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 60px 24px 80px;
        }

        .contact-page-title {
            font-size: 38px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
            text-align: center;
        }

        .contact-page-subtitle {
            font-size: 17px;
            color: #6b7280;
            margin-bottom: 60px;
            text-align: center;
        }

        /* 二维码卡片网格 */
        .contact-cards {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        /* 单个二维码卡片 */
        .contact-qr-card {
            background: #fff;
            border-radius: 28px;
            padding: 48px 36px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            min-width: 320px;
            max-width: 380px;
        }

        .contact-qr-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
        }

        .contact-qr-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
        }

        /* QQ群卡片 - 蓝色 */
        .contact-qr-card.qq-card::before {
            background: linear-gradient(90deg, #3b82f6, #2563eb);
        }

        .contact-qr-card.qq-card .contact-qr-icon {
            background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
            color: #2563eb;
        }

        /* 微信卡片 - 绿色 */
        .contact-qr-card.wechat-card::before {
            background: linear-gradient(90deg, #22c55e, #16a34a);
        }

        .contact-qr-card.wechat-card .contact-qr-icon {
            background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
            color: #16a34a;
        }

        /* 平台图标 */
        .contact-qr-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 30px;
        }

        .contact-qr-card h3 {
            font-size: 26px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 8px;
        }

        .contact-qr-number {
            font-size: 15px;
            color: #6b7280;
            margin-bottom: 24px;
            font-family: 'Courier New', monospace;
            letter-spacing: 0.5px;
        }

        /* 二维码图片容器 */
        .contact-qr-image {
            width: 200px;
            height: 200px;
            margin: 0 auto 20px;
            border-radius: 16px;
            overflow: hidden;
            border: 2px solid #f3f4f6;
            background: #fafafa;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .contact-qr-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .contact-qr-tip {
            font-size: 15px;
            color: #9ca3af;
            margin: 0;
        }

        /* 联系表单区域 */
        .contact-form-section {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            max-width: 560px;
            margin: 0 auto;
        }

        .contact-form-title {
            font-size: 20px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 24px;
            text-align: center;
        }

        .contact-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 12px;
        }

        .contact-form-row input {
            padding: 14px 16px;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            font-size: 15px;
            color: #1a1a1a;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .contact-form-row input:focus {
            outline: none;
            border-color: #22c55e;
            box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
        }

        #contactMessage {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            font-size: 15px;
            color: #1a1a1a;
            transition: all 0.2s ease;
            font-family: inherit;
            min-height: 110px;
            resize: vertical;
            margin-bottom: 12px;
        }

        #contactMessage:focus {
            outline: none;
            border-color: #22c55e;
            box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
        }

        .contact-submit-btn {
            width: 100%;
            padding: 16px 24px;
            background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
            border: none;
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .contact-submit-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(34, 197, 94, 0.3);
        }

        .contact-submit-btn:active {
            transform: translateY(0);
        }

        /* 响应式 */
        @media (max-width: 767px) {
            .contact-container {
                padding: 40px 16px 60px;
            }

            .contact-page-title {
                font-size: 28px;
            }

            .contact-cards {
                flex-direction: column;
                align-items: center;
                gap: 24px;
            }

            .contact-qr-card {
                min-width: auto;
                max-width: 100%;
                width: 100%;
                padding: 32px 24px;
            }

            .contact-qr-image {
                width: 180px;
                height: 180px;
            }

            .contact-form-section {
                padding: 24px;
            }

            .contact-form-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* 使用场景区 */
        .scenarios-section {
            padding: 80px 0;
            background: #fff;
        }

        .scenario-card {
            background: #fafafa;
            border-radius: 16px;
            padding: 32px;
            text-align: center;
            transition: all 0.2s ease;
            height: 100%;
        }

        .scenario-card:hover {
            background: #f0f7f1;
        }

        .scenario-icon {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .scenario-title {
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 8px;
        }

        .scenario-desc {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .scenario-items {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
        }

        .scenario-tag {
            background: #fff;
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            color: #666;
            border: 1px solid #e5e5e5;
        }

        /* 工作流程区 */
        .workflow-section {
            padding: 80px 0;
            background: var(--dark-bg);
            color: white;
        }

        .workflow-section .section-title {
            color: white;
        }

        .workflow-section .section-subtitle {
            color: rgba(255,255,255,0.7);
        }

        .step-card {
            text-align: center;
            padding: 20px;
        }

        .step-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--light-green), var(--accent-green));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 auto 20px;
            color: white;
        }

        .step-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-desc {
            color: rgba(255,255,255,0.8);
            line-height: 1.7;
        }

        /* CTA区域 */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-green), var(--light-green));
            text-align: center;
            color: white;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-subtitle {
            font-size: 1.1rem;
            margin-bottom: 32px;
            opacity: 0.9;
        }

        /* 页脚 */
        footer {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: rgba(255,255,255,0.9);
            padding: 50px 0 25px;
            position: relative;
            overflow: hidden;
        }

        /* 页脚网格装饰 */
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
        }

        /* 页脚内容容器 - 确保在网格装饰之上 */
        footer .container {
            position: relative;
            z-index: 1;
        }

        .footer-title {
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 15px;
            font-size: 1.05rem;
            letter-spacing: 0.3px;
        }

        .footer-desc {
            color: rgba(255,255,255,0.8);
            line-height: 1.75;
            font-size: 0.9rem;
            margin: 0;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: all 0.2s ease;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
        }

        .footer-links a:hover {
            color: #ffffff;
            transform: translateX(3px);
        }

        .footer-links a i {
            margin-right: 8px;
            font-size: 0.95rem;
        }

        .copyright {
            text-align: center;
            padding-top: 25px;
            margin-top: 25px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.7);
            position: relative;
            z-index: 1;
        }

        .copyright p {
            margin: 0;
            font-size: 0.875rem;
        }

        /* 模态框 */
        .modal-content {
            border-radius: 16px;
            border: none;
        }

        .modal-header {
            background: var(--primary-green);
            color: white;
            border-radius: 16px 16px 0 0;
        }

        .btn-close {
            filter: brightness(0) invert(1);
        }

        .modal-body {
            padding: 32px;
        }

        .form-label {
            font-weight: 600;
            color: #333;
            font-size: 0.9rem;
        }

        .form-control, .form-select {
            border-radius: 8px;
            border: 1px solid #e5e5e5;
            padding: 12px 14px;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--light-green);
            box-shadow: 0 0 0 3px rgba(67, 160, 71, 0.1);
        }

        /* 上传区域 */
        .upload-area {
            border: 2px dashed #d0d0d0;
            border-radius: 12px;
            padding: 50px 30px;
            text-align: center;
            background: #fafafa;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .upload-area:hover {
            background: #f0f7f1;
            border-color: var(--light-green);
        }

        .upload-icon {
            font-size: 3rem;
            color: var(--light-green);
            margin-bottom: 16px;
            pointer-events: none;
        }

        .upload-text {
            font-size: 1.1rem;
            color: #333;
            margin-bottom: 8px;
            pointer-events: none;
        }

        .upload-hint {
            color: #888;
            font-size: 0.9rem;
            pointer-events: none;
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }

            .benefit-detail-card {
                padding: 32px;
            }
        }

        @media (max-width: 767px) {
            .navbar-nav {
                flex-direction: column;
                gap: 8px;
            }

            .navbar-brand {
                font-size: 1.4rem;
            }

            .nav-link, .btn-blog {
                width: 100%;
                justify-content: center;
            }

            .hero-section {
                padding: 100px 0 80px;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1.1rem;
            }

            .hero-keywords {
                gap: 8px;
            }

            .hero-keyword {
                font-size: 0.85rem;
                padding: 6px 14px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .section-subtitle {
                font-size: 1rem;
            }

            .features-section {
                padding: 60px 0;
            }

            .feature-card {
                padding: 28px 20px;
            }

            .feature-icon {
                width: 56px;
                height: 56px;
                font-size: 1.5rem;
            }

            .feature-title {
                font-size: 1.15rem;
            }

            .feature-desc {
                font-size: 0.9rem;
            }

            .stats-card {
                padding: 24px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .benefit-detail-card {
                padding: 24px;
            }

            .benefit-detail-icon {
                width: 60px;
                height: 60px;
                font-size: 2rem;
            }

            .benefit-detail-title {
                font-size: 1.3rem;
            }

            .comparison-table {
                border-radius: 16px;
            }

            .comparison-header {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 20px;
                text-align: center;
            }

            .comparison-header h4 {
                font-size: 1rem;
            }

            .comparison-header .comparison-value {
                padding: 6px 12px;
                font-size: 0.9rem;
            }

            .comparison-row {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px 20px;
                text-align: center;
            }

            .comparison-label {
                font-size: 0.95rem;
                margin-bottom: 4px;
            }

            .comparison-value {
                font-size: 0.85rem;
                padding: 6px 10px;
            }

            .testimonial-card {
                padding: 24px;
            }

            .faq-card {
                border-radius: 12px;
            }

            .faq-question {
                padding: 16px;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.8rem;
            }

            .hero-badge {
                font-size: 0.85rem;
                padding: 8px 18px;
            }

            .stat-item {
                padding: 12px;
            }

            .stat-icon {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .stat-label {
                font-size: 0.85rem;
            }

            .benefit-detail-title {
                font-size: 1.15rem;
            }

            .feature-list li {
                font-size: 0.9rem;
            }
        }

        /* 主内容区域 */
        #mainContentArea {
            display: block;
        }

        #mainContentArea.hidden {
            display: none;
        }

        /* 用户中心样式 */
        #userCenterPage {
            display: none;
            min-height: calc(100vh - 76px);
            background: #f8fafc;
        }

        #userCenterPage.active {
            display: block;
        }

        .user-center-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 30px 20px 60px;
        }

        .user-back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            color: #374151;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 20px;
        }

        .user-back-btn:hover {
            background: var(--primary-green);
            color: #fff;
            border-color: var(--primary-green);
            transform: translateX(-4px);
        }

        .user-logout-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .user-logout-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .user-card {
            background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
            border-radius: 20px;
            padding: 40px;
            color: #fff;
            position: relative;
            margin-bottom: 30px;
            box-shadow: 0 10px 40px rgba(5, 150, 105, 0.15);
        }

        .user-info {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .user-avatar {
            width: 90px;
            height: 90px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            flex-shrink: 0;
            backdrop-filter: blur(10px);
        }

        .user-details {
            flex: 1;
        }

        .user-name {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .user-email {
            opacity: 0.9;
            font-size: 1rem;
        }

        .user-stats {
            display: flex;
            gap: 50px;
            margin-top: 30px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1;
            color: #ffffff !important;
            background: none !important;
            -webkit-text-fill-color: #ffffff !important;
            background-clip: unset !important;
            -webkit-background-clip: unset !important;
        }

        .stat-label {
            font-size: 0.9rem;
            font-weight: 600;
            opacity: 0.9;
            margin-top: 6px;
            color: #ffffff !important;
        }

        .user-content-wrapper {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            overflow: hidden;
        }

        .user-tabs-nav {
            display: flex;
            border-bottom: 1px solid #f0f0f0;
            padding: 0 30px;
            background: #fafafa;
        }

        .user-tab-btn {
            padding: 18px 28px;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: #666;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .user-tab-btn:hover {
            color: var(--primary-green);
        }

        .user-tab-btn.active {
            color: var(--primary-green);
            border-bottom-color: var(--primary-green);
            background: #fff;
        }

        .user-tab-btn i {
            font-size: 1.1rem;
        }

        .user-tab-content-area {
            padding: 30px;
            min-height: 400px;
        }

        .user-tab-panel {
            display: none;
        }

        .user-tab-panel.active {
            display: block;
        }

        .user-tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .user-tool-card {
            background: #fff;
            border: 1px solid #f0f0f0;
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .user-tool-card:hover {
            border-color: var(--light-green);
            box-shadow: 0 8px 30px rgba(5, 150, 105, 0.12);
            transform: translateY(-4px);
        }

        .user-tool-preview {
            height: 140px;
            background: linear-gradient(135deg, var(--bg-green), var(--accent-green));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-green);
            font-size: 2.5rem;
        }

        .user-tool-info {
            padding: 16px;
        }

        .user-tool-category {
            display: inline-block;
            background: var(--bg-green);
            color: var(--primary-green);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .user-tool-title {
            font-size: 1rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 8px;
        }

        .user-tool-desc {
            color: #666;
            font-size: 0.85rem;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .user-tool-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid #f5f5f5;
            font-size: 0.8rem;
            color: #888;
        }

        .user-status-pending { background: #fef3c7; color: #92400e; padding: 4px 10px; border-radius: 6px; }
        .user-status-approved { background: var(--bg-green); color: var(--primary-green); padding: 4px 10px; border-radius: 6px; }
        .user-status-rejected { background: #fee2e2; color: #991b1b; padding: 4px 10px; border-radius: 6px; }

        /* 上传列表表格样式 */
        .user-uploads-table-container {
            overflow-x: auto;
        }

        .user-uploads-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .user-uploads-table thead {
            background: #fafafa;
            border-bottom: 2px solid #e5e5e5;
        }

        .user-uploads-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            color: #555;
            white-space: nowrap;
        }

        .user-uploads-table tbody tr {
            border-bottom: 1px solid #f0f0f0;
            transition: background 0.2s ease;
        }

        .user-uploads-table tbody tr:hover {
            background: #fafafa;
        }

        .user-uploads-table td {
            padding: 14px 16px;
            vertical-align: middle;
        }

        .user-uploads-table .col-project {
            font-weight: 600;
            color: #1a1a1a;
        }

        .user-uploads-table .project-name {
            font-size: 0.95rem;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* 官方精选标识 */
        .featured-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
            color: #fff;
            border-radius: 50%;
            box-shadow: 0 2px 6px rgba(251, 191, 36, 0.4);
            animation: featuredPulse 2s ease-in-out infinite;
        }

        .featured-badge i {
            font-size: 0.65rem;
            transform: scale(1.1);
        }

        @keyframes featuredPulse {
            0%, 100% {
                box-shadow: 0 2px 6px rgba(251, 191, 36, 0.4);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 2px 10px rgba(251, 191, 36, 0.6);
                transform: scale(1.05);
            }
        }

        .user-uploads-table .project-status {
            font-size: 0.75rem;
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
        }

        .user-uploads-table .project-status.pending {
            background: #fef3c7;
            color: #92400e;
        }

        .user-uploads-table .project-status.approved {
            background: #d1fae5;
            color: #065f46;
        }

        .user-uploads-table .project-status.rejected {
            background: #fee2e2;
            color: #991b1b;
        }

        .user-uploads-table .col-filename {
            color: #666;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 0.85rem;
            max-width: 200px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .user-uploads-table .col-time {
            color: #888;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .user-uploads-table .col-actions {
            white-space: nowrap;
        }

        .btn-user-action {
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            text-decoration: none;
        }

        .btn-user-view {
            background: var(--bg-green);
            color: var(--primary-green);
        }

        .btn-user-view:hover {
            background: #d1fae5;
        }

        .btn-user-download {
            background: #eff6ff;
            color: #3b82f6;
            margin-left: 6px;
        }

        .btn-user-download:hover {
            background: #dbeafe;
        }

        .btn-user-delete {
            background: #fef2f2;
            color: #ef4444;
            margin-left: 6px;
        }

        .btn-user-delete:hover {
            background: #fee2e2;
        }

        /* 现代图标按钮样式 */
        .action-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
            text-decoration: none;
            font-size: 0.95rem;
            margin-left: 6px;
        }

        .action-btn:first-child {
            margin-left: 0;
        }

        .action-btn i {
            pointer-events: none;
        }

        .action-btn-view {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #fff;
            box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
        }

        .action-btn-view:hover {
            background: linear-gradient(135deg, #059669 0%, #047857 100%);
            box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
            transform: translateY(-1px);
        }

        .action-btn-download {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
            color: #fff;
            box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
        }

        .action-btn-download:hover {
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
            transform: translateY(-1px);
        }

        .action-btn-download.disabled {
            background: #e5e7eb;
            color: #9ca3af;
            cursor: not-allowed;
            box-shadow: none;
        }

        .action-btn-download.disabled:hover {
            transform: none;
            box-shadow: none;
        }

        .action-btn-delete {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
            box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
        }

        .action-btn-delete:hover {
            background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
            box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
            transform: translateY(-1px);
        }

        .action-btn-edit {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
            color: #fff;
            box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
        }

        .action-btn-edit:hover {
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
            transform: translateY(-1px);
        }

        .action-btn:active {
            transform: translateY(0);
        }

        .user-empty-state {
            text-align: center;
            padding: 80px 20px;
            color: #999;
        }

        .user-empty-state i {
            font-size: 4rem;
            margin-bottom: 16px;
            display: block;
            color: var(--light-green);
        }

        .user-profile-form {
            max-width: 500px;
            margin: 0 auto;
        }

        .user-form-section {
            margin-bottom: 24px;
        }

        .user-form-section label {
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
            display: block;
            font-size: 0.95rem;
        }

        .user-form-section input {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid #e5e5e5;
            border-radius: 10px;
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }

        .user-form-section input:focus {
            outline: none;
            border-color: var(--light-green);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        .user-form-section input:read-only {
            background: #fafafa;
            color: #666;
        }

        .btn-save-profile {
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-save-profile:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(5, 150, 105, 0.25);
        }

        @media (max-width: 768px) {
            .user-info {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .user-stats {
                justify-content: center;
                gap: 30px;
            }

            .user-tabs-nav {
                padding: 0 15px;
                overflow-x: auto;
            }

            .user-tab-btn {
                padding: 16px 18px;
                white-space: nowrap;
            }

            .user-tools-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 发布工具页面样式 ========== */
        #uploadPage {
            display: none;
            min-height: calc(100vh - 76px);
            background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
        }

        #uploadPage.active {
            display: block;
        }

        /* 独立上传页面（upload.html） */
        .upload-page-full {
            display: block;
            min-height: calc(100vh - 76px);
            background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
        }

        .upload-page-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 40px 20px 60px;
        }

        .upload-page-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .upload-page-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #065f46;
            margin-bottom: 12px;
        }

        .upload-page-header h1 i {
            color: #10b981;
            margin-right: 10px;
        }

        .upload-page-header p {
            color: #64748b;
            font-size: 1.05rem;
        }

        .upload-back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            color: #64748b;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-bottom: 24px;
        }

        .upload-back-btn:hover {
            background: #f8fafc;
            border-color: #10b981;
            color: #10b981;
        }

        .upload-form-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 40px;
        }

        .upload-login-alert {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
            border: 1px solid #fbbf24;
            border-radius: 12px;
            padding: 20px 24px;
            text-align: center;
            margin-bottom: 30px;
        }

        .upload-login-alert i {
            color: #f59e0b;
            margin-right: 8px;
        }

        .upload-login-alert a {
            color: #059669;
            font-weight: 600;
            text-decoration: none;
        }

        .upload-login-alert a:hover {
            text-decoration: underline;
        }

        .upload-area-new {
            border: 2px dashed #d1d5db;
            border-radius: 16px;
            padding: 50px 30px;
            text-align: center;
            background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 30px;
        }

        .upload-area-new:hover {
            border-color: #10b981;
            background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
        }

        .upload-area-new.dragover {
            border-color: #10b981;
            background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
            transform: scale(1.02);
        }

        .upload-area-new.has-file {
            border-color: #10b981;
            background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
        }

        .upload-icon-new {
            font-size: 3.5rem;
            color: #10b981;
            margin-bottom: 16px;
        }

        .upload-text-new {
            font-size: 1.15rem;
            font-weight: 600;
            color: #374151;
            margin-bottom: 8px;
        }

        .upload-hint-new {
            font-size: 0.9rem;
            color: #9ca3af;
        }

        .upload-file-info {
            display: none;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 16px;
            background: #fff;
            border-radius: 12px;
            margin-top: 16px;
        }

        .upload-file-info.show {
            display: flex;
        }

        .upload-file-info i {
            font-size: 1.5rem;
            color: #10b981;
        }

        .upload-file-name {
            flex: 1;
            font-weight: 600;
            color: #374151;
            text-align: left;
            word-break: break-all;
        }

        .upload-file-remove {
            background: #ef4444;
            color: #fff;
            border: none;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .upload-file-remove:hover {
            background: #dc2626;
        }

        .upload-form-group {
            margin-bottom: 24px;
        }

        .upload-form-label {
            display: block;
            font-weight: 600;
            color: #374151;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .upload-form-label span {
            color: #ef4444;
        }

        .upload-form-control {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            background: #f9fafb;
        }

        .upload-form-control:focus {
            outline: none;
            border-color: #10b981;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
        }

        .upload-form-control::placeholder {
            color: #9ca3af;
        }

        textarea.upload-form-control {
            resize: vertical;
            min-height: 100px;
        }

        .upload-check-wrapper {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background: #f8fafc;
            border-radius: 12px;
            margin-bottom: 24px;
        }

        .upload-check-wrapper input[type="checkbox"] {
            width: 20px;
            height: 20px;
            margin-top: 2px;
            accent-color: #10b981;
            cursor: pointer;
        }

        .upload-check-wrapper label {
            flex: 1;
            color: #4b5563;
            font-size: 0.9rem;
            cursor: pointer;
            line-height: 1.5;
        }

        .upload-check-wrapper label a {
            color: #10b981;
            text-decoration: none;
        }

        .upload-check-wrapper label a:hover {
            text-decoration: underline;
        }

        .upload-submit-btn {
            width: 100%;
            padding: 16px 24px;
            background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .upload-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(5, 150, 105, 0.3);
        }

        .upload-submit-btn:active {
            transform: translateY(0);
        }

        .upload-submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        @media (max-width: 768px) {
            .upload-page-container {
                padding: 30px 15px 50px;
            }

            .upload-page-header h1 {
                font-size: 1.7rem;
            }

            .upload-form-card {
                padding: 24px;
            }

            .upload-area-new {
                padding: 35px 20px;
            }

            .upload-icon-new {
                font-size: 2.8rem;
            }

            .upload-text-new {
                font-size: 1rem;
            }
        }

        /* ========== Bug清单页面样式 ========== */
        #bugPage {
            display: none;
            min-height: calc(100vh - 76px);
            background: linear-gradient(135deg, #fef2f2 0%, #fef3c7 100%);
        }

        /* ==================== 精选工具排行榜页面 ==================== */
        #rankingPage {
            display: none;
            position: relative;
            z-index: 1000;
            background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
            min-height: calc(100vh - 76px);
        }

        #rankingPage.active {
            display: block;
        }

        .ranking-page-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 40px 20px 60px;
        }

        /* 页面头部 */
        .ranking-page-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 40px;
            gap: 30px;
        }

        .ranking-header-left {
            flex: 1;
        }

        .ranking-back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: white;
            border: 2px solid #10b981;
            color: #10b981;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 20px;
        }

        .ranking-back-btn:hover {
            background: #10b981;
            color: white;
            transform: translateX(-4px);
        }

        .ranking-title-section {
            margin-top: 10px;
        }

        .ranking-page-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ranking-page-title i {
            color: #fbbf24;
            font-size: 2rem;
        }

        .ranking-page-subtitle {
            font-size: 1rem;
            color: #6b7280;
            margin: 0;
        }

        .ranking-header-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        .ranking-action-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .ranking-action-btn i {
            font-size: 16px;
        }

        .ranking-action-primary {
            background: #10b981;
            color: white;
        }

        .ranking-action-primary:hover {
            background: #059669;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        .ranking-action-secondary {
            background: #fbbf24;
            color: #1a1a1a;
        }

        .ranking-action-secondary:hover {
            background: #f59e0b;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
        }

        /* 统计卡片区 */
        .ranking-stats-section {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .ranking-stat-card {
            background: white;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .ranking-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            border-color: #10b981;
        }

        .ranking-stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: #10b981;
            margin-bottom: 8px;
        }

        .ranking-stat-label {
            font-size: 1rem;
            color: #6b7280;
            font-weight: 500;
        }

        /* 开发者列表区 */
        .ranking-developers-section {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .ranking-column {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .ranking-column-header {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 600;
        }

        .ranking-column-header i {
            font-size: 1.3rem;
        }

        .ranking-column-header-secondary {
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
        }

        .ranking-developers-list {
            padding: 20px;
        }

        /* 空数据状态 */
        .ranking-empty {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 60px 20px;
            color: #9ca3af;
            text-align: center;
        }

        .ranking-empty i {
            font-size: 48px;
            margin-bottom: 16px;
            opacity: 0.5;
        }

        .ranking-empty p {
            font-size: 14px;
            margin: 0;
        }

        /* 开发者卡片 */
        .ranking-developer-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            background: #f9fafb;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            margin-bottom: 12px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .ranking-developer-card:hover {
            background: white;
            border-color: #10b981;
            transform: translateX(4px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
        }

        .ranking-developer-card:last-child {
            margin-bottom: 0;
        }

        /* 排名图标 */
        .ranking-rank-badge {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ranking-rank-1 {
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
            color: white;
        }

        .ranking-rank-2 {
            background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
            color: white;
        }

        .ranking-rank-3 {
            background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
            color: white;
        }

        .ranking-rank-other {
            background: #e5e7eb;
            color: #374151;
            border: 1px solid #d1d5db;
        }

        /* 开发者信息 */
        .ranking-developer-info {
            flex: 1;
        }

        .ranking-developer-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a1a1a;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ranking-vip-badge {
            background: #fbbf24;
            color: white;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        .ranking-vip-badge.orange {
            background: #f59e0b;
        }

        .ranking-developer-username {
            font-size: 0.85rem;
            color: #6b7280;
        }

        /* 精选工具数 */
        .ranking-tools-count {
            background: #10b981;
            color: white;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ranking-tools-label {
            font-size: 0.75rem;
            color: #10b981;
            text-align: center;
            margin-top: 4px;
        }

        /* 加载状态 */
        .ranking-loading {
            text-align: center;
            padding: 60px 20px;
        }

        .ranking-loading-spinner {
            width: 48px;
            height: 48px;
            border: 4px solid #e5e7eb;
            border-top-color: #10b981;
            border-radius: 50%;
            animation: ranking-spin 0.8s linear infinite;
            margin: 0 auto 16px;
        }

        @keyframes ranking-spin {
            to { transform: rotate(360deg); }
        }

        .ranking-loading p {
            color: #6b7280;
            font-size: 0.95rem;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .ranking-page-header {
                flex-direction: column;
            }

            .ranking-header-actions {
                width: 100%;
                justify-content: flex-start;
            }

            .ranking-stats-section {
                grid-template-columns: 1fr;
            }

            .ranking-developers-section {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .ranking-page-container {
                padding: 20px;
            }

            .ranking-page-title {
                font-size: 1.6rem;
            }

            .ranking-page-title i {
                font-size: 1.4rem;
            }

            .ranking-stat-number {
                font-size: 2rem;
            }

            .ranking-header-actions {
                flex-direction: column;
            }

            .ranking-action-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ==================== Bug清单页面 ==================== */
        #bugPage {
            display: none;
            min-height: calc(100vh - 76px);
            background: linear-gradient(135deg, #fef2f2 0%, #fef3c7 100%);
        }

        #bugPage.active {
            display: block;
        }

        .bug-page-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px 60px;
        }

        .bug-page-header {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }

        .bug-page-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #991b1b;
            margin-bottom: 12px;
        }

        .bug-page-header h1 i {
            color: #ef4444;
            margin-right: 10px;
        }

        .bug-page-header p {
            color: #64748b;
            font-size: 1.05rem;
            margin-bottom: 16px;
        }

        .bug-page-header .bug-submit-btn {
            display: inline-flex;
        }

        .bug-back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            color: #64748b;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.2s ease;
            margin-bottom: 24px;
        }

        .bug-back-btn:hover {
            background: #f8fafc;
            border-color: #ef4444;
            color: #ef4444;
        }

        .bug-content-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 30px;
        }

        .bug-tabs-nav {
            display: flex;
            gap: 10px;
            margin-bottom: 30px;
            border-bottom: 2px solid #f1f5f9;
            padding-bottom: 15px;
        }

        .bug-tab-btn {
            padding: 12px 24px;
            background: transparent;
            border: none;
            border-radius: 10px;
            color: #64748b;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .bug-tab-btn:hover {
            background: #fef2f2;
            color: #991b1b;
        }

        .bug-tab-btn.active {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
        }

        .bug-tab-btn .badge {
            background: rgba(255, 255, 255, 0.2);
            padding: 2px 8px;
            border-radius: 12px;
            font-size: 0.75rem;
        }

        .bug-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .bug-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            padding: 20px;
            background: #f9fafb;
            border-radius: 12px;
            border-left: 4px solid #d1d5db;
            transition: all 0.2s ease;
        }

        .bug-item:hover {
            background: #f3f4f6;
            transform: translateX(5px);
        }

        .bug-item.priority-high {
            border-left-color: #ef4444;
        }

        .bug-item.priority-medium {
            border-left-color: #f59e0b;
        }

        .bug-item.priority-low {
            border-left-color: #10b981;
        }

        .bug-status-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .bug-status-icon.status-open {
            background: #fef2f2;
            color: #ef4444;
        }

        .bug-status-icon.status-in-progress {
            background: #fef3c7;
            color: #f59e0b;
        }

        .bug-status-icon.status-resolved {
            background: #ecfdf5;
            color: #10b981;
        }

        .bug-content {
            flex: 1;
        }

        .bug-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 8px;
        }

        .bug-description {
            font-size: 0.9rem;
            color: #6b7280;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .bug-meta {
            display: flex;
            gap: 15px;
            font-size: 0.8rem;
            color: #9ca3af;
            flex-wrap: wrap;
        }

        .bug-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .bug-priority-badge {
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .bug-priority-badge.high {
            background: #fef2f2;
            color: #991b1b;
        }

        .bug-priority-badge.medium {
            background: #fef3c7;
            color: #92400e;
        }

        .bug-priority-badge.low {
            background: #ecfdf5;
            color: #065f46;
        }

        .bug-empty-state {
            text-align: center;
            padding: 60px 20px;
            color: #9ca3af;
        }

        .bug-empty-state i {
            font-size: 4rem;
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .bug-empty-state h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: #6b7280;
        }

        .bug-empty-state p {
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            .bug-page-container {
                padding: 30px 15px 50px;
            }

            .bug-page-header h1 {
                font-size: 1.7rem;
            }

            .bug-content-card {
                padding: 20px;
            }

            .bug-tabs-nav {
                overflow-x: auto;
                gap: 8px;
            }

            .bug-tab-btn {
                padding: 10px 16px;
                white-space: nowrap;
                font-size: 0.85rem;
            }

            .bug-item {
                flex-direction: column;
                gap: 10px;
            }

            .bug-meta {
                gap: 10px;
            }
        }

        /* ========== Bug提交按钮 ========== */
        .bug-submit-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
        }

        .bug-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
        }

        .bug-submit-header-btn {
            position: absolute;
            top: 10px;
            right: 0;
            z-index: 10;
        }

        /* ========== Bug项展开样式 ========== */
        .bug-item.expanded {
            flex-direction: column;
        }

        .bug-item.expanded .bug-content {
            width: 100%;
        }

        .bug-actions {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }

        .bug-action-btn {
            padding: 6px 12px;
            border: 1px solid #e5e7eb;
            background: #fff;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .bug-action-btn:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        .bug-action-btn.primary {
            background: #ecfdf5;
            border-color: #10b981;
            color: #059669;
        }

        .bug-action-btn.primary:hover {
            background: #d1fae5;
        }

        /* ========== Bug详情区域 ========== */
        .bug-details-section {
            display: none;
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid #e5e7eb;
        }

        .bug-details-section.show {
            display: block;
        }

        /* ========== Bug评论 ========== */
        .bug-comments-section {
            margin-top: 15px;
        }

        .bug-comments-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: #374151;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .bug-comments-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 15px;
        }

        .bug-comment-item {
            padding: 12px;
            background: #f9fafb;
            border-radius: 8px;
            border-left: 3px solid #d1d5db;
        }

        .bug-comment-item.admin-note {
            background: #fef3c7;
            border-left-color: #f59e0b;
        }

        .bug-comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 6px;
        }

        .bug-comment-author {
            font-size: 0.8rem;
            font-weight: 600;
            color: #374151;
        }

        .bug-comment-time {
            font-size: 0.75rem;
            color: #9ca3af;
        }

        .bug-comment-content {
            font-size: 0.85rem;
            color: #4b5563;
            line-height: 1.4;
        }

        .bug-comment-form {
            display: flex;
            gap: 10px;
        }

        .bug-comment-input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 0.85rem;
            resize: vertical;
            min-height: 38px;
            font-family: inherit;
        }

        .bug-comment-input:focus {
            outline: none;
            border-color: #ef4444;
            box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
        }

        .bug-comment-submit {
            padding: 10px 16px;
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .bug-comment-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
        }

        .bug-comment-submit:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        /* ========== Bug管理员控制面板 ========== */
        .bug-admin-controls {
            display: none;
            padding: 15px;
            background: #fef3c7;
            border-radius: 8px;
            margin-bottom: 15px;
        }

        .bug-admin-controls.show {
            display: block;
        }

        .bug-admin-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: #92400e;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .bug-admin-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .bug-admin-row {
            display: flex;
            gap: 10px;
        }

        .bug-admin-select {
            flex: 1;
            padding: 8px 12px;
            border: 1px solid #fbbf24;
            border-radius: 6px;
            font-size: 0.85rem;
            background: #fff;
        }

        .bug-admin-textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #fbbf24;
            border-radius: 6px;
            font-size: 0.85rem;
            resize: vertical;
            min-height: 60px;
            font-family: inherit;
        }

        .bug-admin-submit {
            padding: 8px 16px;
            background: #92400e;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .bug-admin-submit:hover {
            background: #78350f;
        }

        /* ========== Bug提交表单模态框 ========== */
        #bugSubmitModal .modal-content {
            border: none;
            border-radius: 16px;
        }

        #bugSubmitModal .modal-header {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
            border-radius: 16px 16px 0 0;
            padding: 20px;
        }

        #bugSubmitModal .modal-title {
            font-weight: 600;
            font-size: 1.2rem;
        }

        #bugSubmitModal .modal-body {
            padding: 24px;
        }

        .bug-submit-form label {
            font-weight: 600;
            color: #374151;
            font-size: 0.9rem;
            margin-bottom: 6px;
        }

        .bug-submit-form .form-control,
        .bug-submit-form .form-select {
            border-radius: 8px;
            border: 1px solid #d1d5db;
            padding: 10px 14px;
            font-size: 0.9rem;
        }

        .bug-submit-form .form-control:focus,
        .bug-submit-form .form-select:focus {
            border-color: #ef4444;
            box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
        }

        .bug-submit-submit-btn {
            width: 100%;
            padding: 12px;
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .bug-submit-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
        }

        .bug-submit-submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        /* ========== 小屏优化 ========== */
        @media (max-width: 768px) {
            .bug-page-header {
                text-align: center;
            }

            .bug-submit-header-btn {
                position: static;
                margin-top: 15px;
            }

            .bug-admin-row {
                flex-direction: column;
            }

            .bug-comment-form {
                flex-direction: column;
            }

            .bug-comment-submit {
                width: 100%;
            }
        }

        /* ========== 小屏手机优化 (max-width: 480px) ========== */
        @media (max-width: 480px) {
            .navbar-brand {
                font-size: 1.2rem;
            }

            .navbar-brand i {
                font-size: 1.2rem;
            }

            .nav-link {
                font-size: 0.85rem;
                padding: 8px 12px !important;
            }

            .btn-login {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-keyword {
                font-size: 0.75rem;
                padding: 5px 10px;
            }

            .tools-grid-new {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .tool-card-new {
                padding: 15px;
            }

            .tool-card-new .tool-title {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .comparison-header {
                padding: 16px;
            }

            .comparison-row {
                padding: 12px 16px;
            }

            .comparison-label {
                font-size: 0.9rem;
            }

            .comparison-value {
                font-size: 0.8rem;
                padding: 5px 8px;
            }

            .modal-dialog {
                margin: 10px;
            }

            .modal-content {
                border-radius: 12px;
            }

            .user-card {
                padding: 20px 15px;
                padding-top: 50px;
            }

            .user-logout-btn {
                top: 10px;
                right: 10px;
                padding: 6px 12px;
                font-size: 12px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .stat-label {
                font-size: 0.8rem;
            }
        }

        /* ========== 平板设备优化 (768px - 1024px) ========== */
        @media (min-width: 768px) and (max-width: 1024px) {
            .tools-grid-new {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .navbar-brand {
                font-size: 1.5rem;
            }

            .nav-link {
                font-size: 0.9rem;
                padding: 10px 14px !important;
            }
        }

        /* ========== 大屏幕优化 (min-width: 1400px) ========== */
        @media (min-width: 1400px) {
            .container {
                max-width: 1320px;
            }

            .tools-grid-new {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* ========== 跨浏览器兼容性修复 ========== */
        /* IE10+ */
        @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
            .tools-grid-new {
                display: -ms-flexbox;
                -ms-flex-wrap: wrap;
            }

            .tool-card-new {
                -ms-flex: 0 0 calc(25% - 20px);
            }
        }

        /* Firefox特定修复 */
        @-moz-document url-prefix() {
            .tool-card-new {
                scrollbar-width: thin;
                scrollbar-color: var(--primary-green) #f1f1f1;
            }
        }

        /* Safari特定修复 */
        @supports (-webkit-appearance: none) {
            /* 修复Safari上的flex布局 */
            .navbar-nav {
                -webkit-box-orient: vertical;
                -webkit-box-direction: normal;
            }

            /* 修复Safari上的input样式 */
            input[type="text"],
            input[type="email"],
            input[type="password"],
            textarea {
                -webkit-appearance: none;
                -webkit-border-radius: 8px;
            }

            /* 修复Safari上的按钮样式 */
            .btn-login,
            .btn-primary {
                -webkit-appearance: none;
                -webkit-border-radius: 10px;
            }
        }

        /* ========== 触摸设备优化 ========== */
        @media (hover: none) and (pointer: coarse) {
            /* 触摸设备增大点击区域 */
            .nav-link,
            .btn-login,
            .tool-card-new,
            .tool-action-btn,
            .category-tab {
                min-height: 44px;
                min-width: 44px;
            }

            /* 触摸设备禁用hover效果 */
            .tool-card-new:hover {
                transform: none;
            }

            .nav-link:hover {
                background: transparent;
            }
        }

        /* ========== 高对比度模式支持 ========== */
        @media (prefers-contrast: high) {
            .tool-card-new {
                border: 2px solid var(--text-primary);
            }

            .btn-login {
                border: 2px solid #000;
            }

            .nav-link {
                border: 1px solid transparent;
            }

            .nav-link:hover,
            .nav-link.active {
                border: 1px solid var(--primary-green);
            }
        }

        /* ========== 暗色模式支持（自动切换） ========== */
        @media (prefers-color-scheme: dark) {
            /* 预留暗色模式CSS，目前不启用 */
            /* body {
                background: #1a1a1a;
                color: #e0e0e0;
            } */
        }

        /* ========== 减少动画模式支持 ========== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }

            html {
                scroll-behavior: auto;
            }
        }

        /* ========== 打印样式优化 ========== */
        @media print {
            .navbar,
            .hero-section,
            .upload-section,
            .faq-section,
            .footer,
            .modal,
            #inlineToolsOverlay {
                display: none !important;
            }

            .tool-card-new {
                break-inside: avoid;
                page-break-inside: avoid;
                box-shadow: none;
                border: 1px solid #ddd;
            }

            body {
                background: white;
                color: black;
            }
        }

        /* ========== 横屏手机优化 ========== */
        @media (max-height: 500px) and (orientation: landscape) {
            .hero-section {
                padding: 60px 0 40px;
            }

            .hero-title {
                font-size: 1.5rem;
            }

            .navbar {
                padding: 8px 0;
            }

            .navbar-brand {
                font-size: 1.2rem;
            }

            .modal-dialog {
                margin: 5px;
                max-height: 95vh;
            }

            .modal-body {
                max-height: calc(95vh - 140px);
                overflow-y: auto;
            }
        }

        /* ========== 确保所有现代浏览器兼容性 ========== */
        /* CSS Grid兼容性 */
        .tools-grid-new {
            display: -ms-grid;
            display: grid;
        }

        /* Flexbox兼容性 */
        .navbar-nav,
        .hero-buttons,
        .user-stats {
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
        }

        /* 渐变兼容性 */
        .btn-login,
        .gradient-text {
            background: -webkit-linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
            background: -moz-linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
            background: -o-linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
            background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
        }

        /* 防止内容溢出 */
        img,
        video,
        iframe {
            max-width: 100%;
            height: auto;
        }

        /* 修复iOS输入框缩放问题 */
        input[type="text"],
        input[type="email"],
        input[type="password"],
        input[type="number"],
        textarea,
        select {
            font-size: 16px;
        }

        /* 用户中心快捷入口卡片样式 */
        .user-quick-actions-section {
            margin-bottom: 24px;
        }

        .user-quick-actions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 16px;
        }

        .user-quick-action-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid #f0f0f0;
            border-radius: 12px;
            padding: 20px;
            text-decoration: none;
            color: inherit;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .user-quick-action-card:hover {
            border-color: #10b981;
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.12);
            transform: translateY(-3px);
        }

        .user-quick-action-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .user-quick-action-icon i {
            font-size: 26px;
            color: #fff;
        }

        .user-quick-action-content {
            flex: 1;
            min-width: 0;
        }

        .user-quick-action-content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 4px 0;
            color: #1f2937;
        }

        .user-quick-action-content p {
            font-size: 0.85rem;
            margin: 0;
            color: #6b7280;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .user-quick-action-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: #9ca3af;
            transition: all 0.3s ease;
        }

        .user-quick-action-card:hover .user-quick-action-arrow {
            background: #10b981;
            color: #fff;
            transform: translateX(4px);
        }

        .user-quick-action-arrow i {
            font-size: 18px;
        }

        /* 二维码模态框样式 */
        .qr-code-container {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .qr-code-image {
            max-width: 280px;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .qr-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 40px;
            background: #f8f9fa;
            border-radius: 12px;
        }

        @media (max-width: 768px) {
            .user-quick-actions-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .user-quick-action-card {
                padding: 16px;
                gap: 12px;
            }
            .user-quick-action-icon {
                width: 48px;
                height: 48px;
            }
            .user-quick-action-icon i {
                font-size: 22px;
            }
            .user-quick-action-content h4 {
                font-size: 0.95rem;
            }
            .user-quick-action-content p {
                font-size: 0.8rem;
            }
        }

        /* ==================== 移动端底部导航栏 ==================== */
        /* 默认隐藏，在移动端媒体查询中显示 */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: auto;
            min-height: 60px;
            /* 浅绿色半透明背景 */
            background: rgba(236, 253, 245, 0.92);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-top: 1px solid rgba(16, 185, 129, 0.15);
            box-shadow: 0 -4px 20px rgba(16, 185, 129, 0.12);
            z-index: 99999;
            justify-content: space-around;
            align-items: center;
            padding: 8px 0;
            /* 兼容微信浏览器 */
            -webkit-transform: translateZ(0);
            transform: translateZ(0);
            /* 防止iOS滚动回弹 */
            -webkit-overflow-scrolling: touch;
        }

        .mobile-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex: 1;
            min-width: 0;
            padding: 6px 4px;
            color: #6b7280;
            text-decoration: none;
            position: relative;
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
            transition: all 0.3s ease;
        }

        .mobile-nav-item i {
            font-size: 24px;
            line-height: 1;
            margin-bottom: 4px;
            transition: all 0.3s ease;
        }

        .mobile-nav-item span {
            font-size: 12px;
            font-weight: 400;
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100%;
        }

        /* 激活状态 - 绿色高亮 */
        .mobile-nav-item.active {
            color: #10b981;
        }

        .mobile-nav-item.active i {
            font-weight: bold;
            transform: scale(1.15);
        }

        .mobile-nav-item.active span {
            font-weight: 600;
        }

        /* 点击效果 */
        .mobile-nav-item:active {
            opacity: 0.7;
            transform: scale(0.95);
        }

        /* ==================== 移动端响应式布局 ==================== */
        @media (max-width: 768px) {
            /* 显示底部导航栏 */
            .mobile-bottom-nav {
                display: flex !important;
            }

            /* 为主内容区域底部留出空间 */
            body {
                padding-bottom: 65px !important;
            }

            /* 移动端固定导航栏大小，禁用滚动效果 */
            .navbar {
                padding: 14px 0 !important;
            }

            .navbar.scrolled {
                padding: 14px 0 !important;
            }

            /* 移动端显示顶部导航中的AI副业星球和精品工具库按钮（在折叠菜单中） */
            .navbar .nav-link[href="ai-planet.html"],
            .navbar .nav-link#showToolsBtn {
                display: flex !important;
            }

            /* 调整主内容容器，确保不被底部导航遮挡 */
            .container,
            .main-content {
                padding-bottom: 20px;
            }
        }

        /* 小屏幕手机优化（iPhone SE等） */
        @media (max-width: 375px) {
            .mobile-nav-item i {
                font-size: 22px;
            }

            .mobile-nav-item span {
                font-size: 11px;
            }

            .mobile-bottom-nav {
                min-height: 56px;
                padding: 6px 0;
            }

            body {
                padding-bottom: 60px !important;
            }
        }

        /* iPhone X/11/12/13/14/15 等有底部安全区的设备 */
        @supports (padding: env(safe-area-inset-bottom)) {
            .mobile-bottom-nav {
                padding-bottom: calc(8px + env(safe-area-inset-bottom));
                padding-top: 8px;
            }

            body {
                padding-bottom: calc(65px + env(safe-area-inset-bottom)) !important;
            }

            @media (max-width: 375px) {
                body {
                    padding-bottom: calc(60px + env(safe-area-inset-bottom)) !important;
                }
            }
        }

        /* 微信浏览器特殊优化 */
        body {
            /* 防止微信浏览器下拉刷新影响 */
            overscroll-behavior-y: none;
        }

        /* 确保底部导航在所有情况下都在最上层 */
        .mobile-bottom-nav {
            position: fixed !important;
            bottom: 0 !important;
            left: 0 !important;
            right: 0 !important;
            z-index: 99999 !important;
        }



/* ==================== 申请精选功能样式 ==================== */

/* 申请精选按钮 */
.action-btn-apply {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transition: all 0.3s ease;
}

.action-btn-apply:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* 重新申请按钮 */
.action-btn-apply-reapply {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    transition: all 0.3s ease;
}

.action-btn-apply-reapply:hover {
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 87, 108, 0.4);
}

/* 申请状态指示器 */
.application-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    cursor: default;
}

.application-pending {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #d97706;
}

.application-pending i {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 申请模态框样式 */
#applyFeaturedModal .modal-content {
    border-radius: 16px;
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

#applyFeaturedModal .modal-header {
    border-bottom: 1px solid #f0f0f0;
    padding: 20px 24px;
    border-radius: 16px 16px 0 0;
}

#applyFeaturedModal .modal-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

#applyFeaturedModal .modal-body {
    padding: 24px;
}

#applyFeaturedModal .modal-footer {
    border-top: 1px solid #f0f0f0;
    padding: 16px 24px;
    border-radius: 0 0 16px 16px;
}

/* 申请理由输入框 */
#applyFeaturedModal textarea.form-control {
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    font-size: 14px;
    resize: none;
}

#applyFeaturedModal textarea.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#applyFeaturedModal .form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

#applyFeaturedModal .form-text {
    color: #666;
    font-size: 13px;
    margin-top: 8px;
}

#applyFeaturedModal .form-text i {
    color: #667eea;
    margin-right: 4px;
}

/* 提交按钮 */
#submitFeaturedApplication {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 10px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
}

#submitFeaturedApplication:hover:not(:disabled) {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

#submitFeaturedApplication:disabled {
    background: linear-gradient(135deg, #ccc 0%, #999 100%);
    cursor: not-allowed;
}

/* 响应式调整 */
@media (max-width: 576px) {
    #applyFeaturedModal .modal-dialog {
        margin: 8px;
    }
    
    #applyFeaturedModal .modal-body {
        padding: 16px;
    }
    
    #applyFeaturedModal .modal-header,
    #applyFeaturedModal .modal-footer {
        padding: 16px;
    }
}