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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'MiSans', 'Inter', system-ui, -apple-system, sans-serif;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
            background-color: #f8fafc;
            color: #1e293b;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: background-color 0.3s, color 0.3s;
        }

        body.ai-dark-mode {
            background-color: #020617;
            color: #e2e8f0;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        button, input {
            font: inherit;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        @font-face {
            font-family: 'MiSans';
            src: url('https://byte.8i5.net/font/misans/MiSans-Semibold.ttf') format('truetype');
            font-weight: 600;
            font-display: swap;
        }

        .ai-page-wrapper {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .ai-main-content {
            flex: 1;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .ai-main-content {
                margin-left: 16rem;
            }
        }

        .ai-content-container {
            width: 100%;
        }

        /* 头部导航 */
        .ai-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background-color: #ffffff;
            border-bottom: 1px solid #f1f5f9;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
            transition: background-color 0.3s;
        }

        .ai-dark-mode .ai-navbar {
            background-color: #0f172a;
            border-bottom-color: #1e293b;
        }

        .ai-navbar-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4rem;
            padding: 0 1.5rem;
        }

        .ai-navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .ai-navbar-logo-img {
            height: 2.25rem;
            width: 2.25rem;
            object-fit: contain;
            transition: transform 0.2s;
        }

        .ai-dark-mode .ai-navbar-logo-img {
            filter: invert(1);
        }

        .ai-navbar-logo:hover .ai-navbar-logo-img {
            transform: scale(1.1);
        }

        .ai-navbar-logo-text {
            font-size: 1.125rem;
            font-weight: bold;
            background: linear-gradient(to right, #2563eb, #9333ea);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: none;
        }

        @media (min-width: 640px) {
            .ai-navbar-logo-text {
                display: block;
            }
        }

        .ai-navbar-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        @media (min-width: 768px) {
            .ai-navbar-actions {
                gap: 1rem;
            }
        }

        .ai-navbar-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        @media (min-width: 768px) {
            .ai-navbar-links {
                display: flex;
            }
        }

        .ai-navbar-link {
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            color: #334155;
            font-weight: 500;
            transition: all 0.2s;
        }

        .ai-dark-mode .ai-navbar-link {
            color: #e2e8f0;
        }

        .ai-navbar-link:hover {
            color: #2563eb;
            background-color: #eff6ff;
        }

        .ai-dark-mode .ai-navbar-link:hover {
            color: #60a5fa;
            background-color: #1e293b;
        }

        .ai-navbar-icon-btn {
            padding: 0.625rem;
            border-radius: 0.75rem;
            color: #475569;
            transition: background-color 0.2s;
        }

        .ai-dark-mode .ai-navbar-icon-btn {
            color: #cbd5e1;
        }

        .ai-navbar-icon-btn:hover {
            background-color: #f1f5f9;
        }

        .ai-dark-mode .ai-navbar-icon-btn:hover {
            background-color: #1e293b;
        }

        .ai-navbar-menu-toggle {
            display: block;
        }

        @media (min-width: 768px) {
            .ai-navbar-menu-toggle {
                display: none;
            }
        }

        /* 侧边栏 —— 新增底部留白，避免内容侵入页脚区域 */
        .ai-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 16rem;
            background-color: #ffffff;
            z-index: 90;
            transform: translateX(-100%);
            transition: transform 0.3s;
            padding-top: 4rem;
            padding-bottom: 10rem;                /* 新增：底部留出空白，确保不压住页脚 */
            border-right: 1px solid #f1f5f9;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
            overflow-y: auto;
        }

        .ai-dark-mode .ai-sidebar {
            background-color: #0f172a;
            border-right-color: #1e293b;
        }

        @media (min-width: 768px) {
            .ai-sidebar {
                transform: translateX(0);
                box-shadow: none;
            }
        }

        .ai-sidebar.ai-open {
            transform: translateX(0);
        }

        .ai-sidebar-inner {
            padding: 1.5rem 1rem;
            min-height: 100%;                    /* 新增：保证内部容器充满高度，滚动条出现在侧边栏上 */
        }

        .ai-sidebar-title {
            font-size: 0.75rem;
            font-weight: 600;
            color: #94a3b8;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.75rem;
            padding-left: 0.5rem;
        }

        .ai-dark-mode .ai-sidebar-title {
            color: #64748b;
        }

        .ai-sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .ai-sidebar-link {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem;
            border-radius: 0.75rem;
            color: #334155;
            position: relative;
            transition: all 0.2s;
        }

        .ai-dark-mode .ai-sidebar-link {
            color: #e2e8f0;
        }

        .ai-sidebar-link::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: linear-gradient(to bottom, #3b82f6, #8b5cf6);
            border-radius: 0 3px 3px 0;
            transition: height 0.2s;
        }

        .ai-sidebar-link:hover::before,
        .ai-sidebar-link.ai-active::before {
            height: 70%;
        }

        .ai-sidebar-link.ai-active {
            background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
            color: #3b82f6;
            font-weight: 600;
        }

        .ai-dark-mode .ai-sidebar-link.ai-active {
            background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.15));
        }

        .ai-sidebar-link i {
            width: 1.25rem;
            text-align: center;
        }

        .ai-sidebar-category-count {
            margin-left: auto;
            font-size: 0.75rem;
            background-color: #f1f5f9;
            color: #64748b;
            padding: 0.125rem 0.5rem;
            border-radius: 9999px;
        }

        .ai-dark-mode .ai-sidebar-category-count {
            background-color: #1e293b;
            color: #94a3b8;
        }

        .ai-sidebar-overlay {
            position: fixed;
            inset: 0;
            background-color: rgba(0,0,0,0.4);
            backdrop-filter: blur(4px);
            z-index: 80;
            display: none;
        }

        @media (min-width: 768px) {
            .ai-sidebar-overlay {
                display: none !important;
            }
        }

        /* 返回顶部 */
        .ai-back-to-top {
            position: fixed;
            bottom: 1.5rem;
            right: 1.5rem;
            width: 3rem;
            height: 3rem;
            background: linear-gradient(to bottom right, #3b82f6, #9333ea);
            color: white;
            border-radius: 9999px;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            transform: scale(0);
            transition: all 0.3s;
            z-index: 99;
        }

        .ai-back-to-top.ai-visible {
            transform: scale(1);
        }

        .ai-back-to-top:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
        }

        /* Hero 区域 */
        .ai-hero {
            position: relative;
            padding: 6rem 0 4rem;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .ai-hero {
                padding: 8rem 0 6rem;
            }
        }

        .ai-hero-bg-blur {
            position: absolute;
            inset: 0;
            z-index: -1;
        }

        .ai-hero-bg-circle {
            position: absolute;
            border-radius: 9999px;
            filter: blur(64px);
            opacity: 0.2;
        }

        .ai-hero-bg-circle-1 {
            top: 5rem;
            left: 2.5rem;
            width: 18rem;
            height: 18rem;
            background-color: #60a5fa;
        }

        .ai-hero-bg-circle-2 {
            bottom: 5rem;
            right: 2.5rem;
            width: 24rem;
            height: 24rem;
            background-color: #c084fc;
        }

        .ai-hero-grid {
            display: flex;
            align-items: center;
            gap: 2rem;
            max-width: 1280px;
            margin: 0 auto;
        }

        .ai-hero-carousel {
            flex: 1;
            display: block;
        }

        @media (max-width: 767px) {
            .ai-hero-carousel {
                display: none;
            }
        }

        .ai-hero-content {
            flex: 1;
            text-align: left;
        }

        @media (max-width: 767px) {
            .ai-hero-content {
                text-align: center;
            }
        }

        .ai-hero-title {
            font-size: 2.25rem;
            font-weight: bold;
            color: #0f172a;
            margin-bottom: 1.5rem;
            line-height: 1.25;
        }

        .ai-dark-mode .ai-hero-title {
            color: white;
        }

        @media (min-width: 768px) {
            .ai-hero-title {
                font-size: 3rem;
            }
        }

        .ai-hero-title-gradient {
            background: linear-gradient(to right, #2563eb, #9333ea, #ec4899);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .ai-hero-desc {
            font-size: 1.125rem;
            color: #475569;
            margin-bottom: 2rem;
        }

        .ai-dark-mode .ai-hero-desc {
            color: #94a3b8;
        }

        .ai-search-wrapper {
            max-width: 36rem;
            margin: 0;
        }

        @media (max-width: 767px) {
            .ai-search-wrapper {
                margin: 0 auto;
            }
        }

        .ai-search-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
            justify-content: flex-start;
        }

        @media (max-width: 767px) {
            .ai-search-tabs {
                justify-content: center;
            }
        }

        .ai-search-tab {
            padding: 0.375rem 1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #475569;
            border: 1px solid transparent;
            transition: all 0.2s;
        }

        .ai-dark-mode .ai-search-tab {
            color: #cbd5e1;
        }

        .ai-search-tab.ai-active {
            background-color: #dbeafe;
            color: #1d4ed8;
            border-color: #bfdbfe;
        }

        .ai-dark-mode .ai-search-tab.ai-active {
            background-color: rgba(30,58,138,0.3);
            color: #93c5fd;
            border-color: #1e40af;
        }

        .ai-search-form {
            position: relative;
        }

        .ai-search-input-wrapper {
            position: relative;
        }

        .ai-search-input {
            width: 100%;
            padding: 1rem 8rem 1rem 1.5rem;
            border-radius: 1rem;
            border: 1px solid #e2e8f0;
            background-color: white;
            color: #1e293b;
            font-size: 1rem;
            outline: none;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            transition: all 0.3s;
        }

        .ai-dark-mode .ai-search-input {
            background-color: #1e293b;
            border-color: #334155;
            color: #f1f5f9;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .ai-search-input:focus {
            border-color: #60a5fa;
            box-shadow: 0 0 0 4px rgba(59,130,246,0.15);
            transform: translateY(-2px);
        }

        .ai-dark-mode .ai-search-input:focus {
            box-shadow: 0 0 0 4px rgba(59,130,246,0.25);
        }

        .ai-search-btn {
            position: absolute;
            right: 0.5rem;
            top: 50%;
            transform: translateY(-50%);
            padding: 0.625rem 1.25rem;
            background: linear-gradient(to right, #3b82f6, #9333ea);
            color: white;
            border-radius: 0.75rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: box-shadow 0.2s;
        }

        .ai-search-btn:hover {
            box-shadow: 0 10px 15px -3px rgba(59,130,246,0.25);
        }

        .ai-hot-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1rem;
            justify-content: flex-start;
        }

        @media (max-width: 767px) {
            .ai-hot-keywords {
                justify-content: center;
            }
        }

        .ai-hot-keyword {
            padding: 0.25rem 0.75rem;
            border-radius: 0.5rem;
            font-size: 0.875rem;
            color: #475569;
            transition: all 0.2s;
        }

        .ai-dark-mode .ai-hot-keyword {
            color: #cbd5e1;
        }

        .ai-hot-keyword:hover {
            color: #2563eb;
            background-color: #eff6ff;
        }

        .ai-dark-mode .ai-hot-keyword:hover {
            color: #60a5fa;
            background-color: #1e293b;
        }

        /* 自定义轮播 */
        .ai-lunbo-container {
            position: relative;
            width: 100%;
            border-radius: 1.5rem;
            overflow: hidden;
            box-shadow: 0 20px 25px -5px rgba(0,0,0,0.05), 0 10px 10px -5px rgba(0,0,0,0.01);
            border: 1px solid rgba(226, 232, 240, 0.6);
            background-color: #f8fafc;
        }

        .ai-dark-mode .ai-lunbo-container {
            border-color: #334155;
            background-color: #1e293b;
        }

        .ai-lunbo-wrapper {
            position: relative;
            width: 100%;
            height: 280px;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .ai-lunbo-wrapper {
                height: 320px;
            }
        }

        .ai-lunbo-slides {
            display: flex;
            height: 100%;
            transition: transform 0.5s ease-in-out;
            will-change: transform;
        }

        .ai-lunbo-slide {
            flex: 0 0 100%;
            height: 100%;
            position: relative;
        }

        .ai-lunbo-slide a {
            display: block;
            width: 100%;
            height: 100%;
        }

        .ai-lunbo-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ai-lunbo-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem 1.5rem 1.25rem;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
            color: white;
            text-align: left;
            pointer-events: none;
        }

        .ai-lunbo-caption h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        .ai-lunbo-caption p {
            font-size: 0.875rem;
            opacity: 0.9;
            text-shadow: 0 1px 2px rgba(0,0,0,0.3);
        }

        .ai-lunbo-dots {
            position: absolute;
            bottom: 1rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 0.5rem;
            z-index: 10;
        }

        .ai-lunbo-dot {
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all 0.2s;
            border: none;
            padding: 0;
        }

        .ai-lunbo-dot.ai-active {
            width: 1.5rem;
            border-radius: 999px;
            background-color: white;
        }

        .ai-lunbo-placeholder {
            width: 100%;
            height: 280px;
            background: #f1f5f9;
            border-radius: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #64748b;
            border: 1px dashed #cbd5e1;
        }

        .ai-dark-mode .ai-lunbo-placeholder {
            background: #1e293b;
            border-color: #334155;
            color: #94a3b8;
        }

        /* 分类区域 */
        .ai-category-section {
            margin-bottom: 5rem;
            scroll-margin-top: 8rem;
        }

        .ai-category-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }

        .ai-dark-mode .ai-category-header {
            border-bottom-color: #1e293b;
        }

        .ai-category-title-area {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .ai-category-indicator {
            width: 0.375rem;
            height: 2rem;
            background: linear-gradient(to bottom, #3b82f6, #9333ea);
            border-radius: 9999px;
        }

        .ai-category-name {
            font-size: 1.5rem;
            font-weight: bold;
            color: #0f172a;
        }

        .ai-dark-mode .ai-category-name {
            color: white;
        }

        .ai-category-count {
            font-size: 0.875rem;
            color: #64748b;
            margin-top: 0.125rem;
        }

        .ai-category-view-all {
            display: none;
            align-items: center;
            font-size: 0.875rem;
            color: #2563eb;
            font-weight: 500;
        }

        .ai-dark-mode .ai-category-view-all {
            color: #60a5fa;
        }

        @media (min-width: 640px) {
            .ai-category-view-all {
                display: flex;
            }
        }

        .ai-card-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .ai-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) {
            .ai-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .ai-card-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (min-width: 1280px) {
            .ai-card-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .ai-site-card {
            display: block;
            background-color: white;
            border-radius: 1rem;
            padding: 1.25rem;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
            border: 1px solid #f1f5f9;
            transition: all 0.3s;
            color: inherit;
        }

        .ai-dark-mode .ai-site-card {
            background-color: #1e293b;
            border-color: #334155;
        }

        .ai-site-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 25px 50px -12px rgba(59,130,246,0.15);
        }

        .ai-dark-mode .ai-site-card:hover {
            box-shadow: 0 25px 50px -12px rgba(59,130,246,0.08);
        }

        .ai-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .ai-card-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .ai-card-icon {
            width: 3rem;
            height: 3rem;
            border-radius: 0.75rem;
            background-color: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .ai-dark-mode .ai-card-icon {
            background-color: #334155;
        }

        .ai-site-card:hover .ai-card-icon {
            background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
            transform: scale(1.05);
        }

        .ai-dark-mode .ai-site-card:hover .ai-card-icon {
            background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(139,92,246,0.2));
        }

        .ai-card-icon img {
            width: 1.75rem;
            height: 1.75rem;
            object-fit: contain;
        }

        .ai-card-title {
            font-weight: 600;
            color: #1e293b;
            transition: all 0.3s;
        }

        .ai-dark-mode .ai-card-title {
            color: #f1f5f9;
        }

        .ai-site-card:hover .ai-card-title {
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .ai-card-domain {
            font-size: 0.75rem;
            color: #94a3b8;
            margin-top: 0.125rem;
        }

        .ai-card-favorite {
            padding: 0.375rem;
            color: #94a3b8;
            transition: all 0.2s;
        }

        .ai-card-favorite:hover {
            color: #ef4444;
        }

        .ai-card-favorite.ai-active {
            color: #ef4444;
            transform: scale(1.1);
        }

        .ai-card-description {
            font-size: 0.875rem;
            color: #475569;
            margin-bottom: 1rem;
            min-height: 40px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ai-dark-mode .ai-card-description {
            color: #94a3b8;
        }

        .ai-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.375rem;
            margin-bottom: 1rem;
        }

        .ai-card-tag {
            font-size: 0.7rem;
            padding: 0.15rem 0.5rem;
            border-radius: 9999px;
            font-weight: 500;
        }

        .ai-tag-free { background: #dcfce7; color: #166534; }
        .ai-tag-cn { background: #dbeafe; color: #1e40af; }
        .ai-tag-hot { background: #fef3c7; color: #92400e; animation: ai-pulse 2s infinite; }
        .ai-tag-new { background: #ede9fe; color: #5b21b6; }

        .ai-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid #f1f5f9;
        }

        .ai-dark-mode .ai-card-footer {
            border-top-color: #334155;
        }

        .ai-card-visit {
            font-size: 0.75rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .ai-card-arrow {
            color: #cbd5e1;
            transition: all 0.2s;
        }

        .ai-dark-mode .ai-card-arrow {
            color: #475569;
        }

        .ai-site-card:hover .ai-card-arrow {
            color: #3b82f6;
            transform: translateX(0.25rem);
        }

        .ai-dark-mode .ai-site-card:hover .ai-card-arrow {
            color: #60a5fa;
        }

        .ai-empty-category {
            grid-column: 1 / -1;
            background-color: #f8fafc;
            border-radius: 1rem;
            padding: 2.5rem;
            text-align: center;
        }

        .ai-dark-mode .ai-empty-category {
            background-color: rgba(30,41,59,0.5);
        }

        /* ========== 页脚（全宽，层级高于侧边栏） ========== */
        .ai-footer {
            position: relative;
            z-index: 95; /* 高于侧边栏的 90，确保不被覆盖 */
            background-color: #0f172a;
            color: white;
            padding: 4rem 0 2rem;
            width: 100%;
        }

        .ai-dark-mode .ai-footer {
            background-color: black;
        }

        .ai-footer-container {
            padding: 0 1.5rem;
        }

        .ai-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .ai-footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        .ai-footer-logo-area {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .ai-footer-logo-img {
            height: 2rem;
            filter: invert(1);
        }

        .ai-footer-desc {
            color: #94a3b8;
            font-size: 0.875rem;
            line-height: 1.625;
            max-width: 28rem;
        }

        .ai-footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 1.5rem;
        }

        .ai-footer-social-link {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 0.75rem;
            background-color: #1e293b;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            transition: all 0.2s;
        }

        .ai-footer-social-link:hover {
            background-color: #2563eb;
            color: white;
        }

        .ai-footer-heading {
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .ai-footer-links {
            list-style: none;
        }

        .ai-footer-links li {
            margin-bottom: 0.625rem;
        }

        .ai-footer-links a {
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color 0.2s;
        }

        .ai-footer-links a:hover {
            color: white;
        }

        .ai-footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            font-size: 0.875rem;
            color: #64748b;
        }

        @media (min-width: 768px) {
            .ai-footer-bottom {
                flex-direction: row;
            }
        }

        .ai-footer-bottom a {
            color: #64748b;
        }

        .ai-footer-bottom a:hover {
            color: #cbd5e1;
        }

        /* 动画 */
        @keyframes ai-fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes ai-slideUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes ai-float {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        @keyframes ai-pulse {
            0%,100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .ai-animate-fade-in { animation: ai-fadeIn 0.5s ease-out; }
        .ai-animate-slide-up { animation: ai-slideUp 0.6s ease-out; }
        .ai-animate-float { animation: ai-float 3s ease-in-out infinite; }

        .ai-ml-1 { margin-left: 0.25rem; }
        .ai-mr-1 { margin-right: 0.25rem; }
        .ai-mt-2 { margin-top: 0.5rem; }  
        
            

    /* 排行榜页面基础容器 */
    .oak-hot-baidu-hot-wrapper {
        width: 1200px;
        margin: 0 auto;
        border-radius: 8px;
        overflow: hidden;
        padding: 80px 0 40px;
    }

    .oak-hot-ai-software-section {
        margin-top: 30px;
        padding-top: 20px;
    }
    .oak-hot-hot-header {
        padding: 16px 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: #fff;
        border-radius: 8px 8px 0 0;
    }
    .ai-dark-mode .oak-hot-hot-header {
        background: #1e293b;
    }
    .oak-hot-hot-header h2 {
        font-size: 18px;
        font-weight: 600;
        color: #333;
    }
    .ai-dark-mode .oak-hot-hot-header h2 {
        color: #f1f5f9;
    }
    .oak-hot-hot-update-time {
        font-size: 12px;
        color: #999;
    }
    .ai-dark-mode .oak-hot-hot-update-time {
        color: #94a3b8;
    }
    .oak-hot-ai-software-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 24px 24px;
        background: #fff;
        border-radius: 0 0 8px 8px;
    }
    .ai-dark-mode .oak-hot-ai-software-container {
        background: #1e293b;
    }
    .oak-hot-ai-software-card {
        background-color: #f9f9f9;
        border-radius: 8px;
        padding: 16px;
        box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        display: flex;
        flex-direction: column;
        height: 100%;
        position: relative;
    }
    .ai-dark-mode .oak-hot-ai-software-card {
        background-color: #0f172a;
        box-shadow: 0 1px 2px rgba(0,0,0,0.2);
    }
    .oak-hot-ai-rank-icon {
        position: absolute;
        top: 0;
        left: 0;
        width: 40px;
        height: 40px;
        z-index: 10;
    }
    .oak-hot-ai-rank-icon img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    .oak-hot-ai-software-header {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 12px;
    }
    .oak-hot-ai-software-logo {
        width: 64px;
        height: 64px;
        flex-shrink: 0;
        border-radius: 30px;
        box-sizing: border-box;
    }
    .oak-hot-ai-software-logo img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        border-radius: 30px;
        background-color: #ffffff;
    }
    .ai-dark-mode .oak-hot-ai-software-logo img {
        background-color: #334155;
    }
    .oak-hot-ai-software-name {
        font-size: 18px;
        color: #333;
        font-weight: 600;
        line-height: 1.3;
        display: flex;
        align-items: center;
        height: 64px;
    }
    .ai-dark-mode .oak-hot-ai-software-name {
        color: #f1f5f9;
    }
    .oak-hot-ai-software-info {
        flex: 1;
    }
    .oak-hot-ai-software-short-desc {
        font-size: 14px;
        color: #666;
        line-height: 1.4;
        margin: 0 0 12px;
    }
    .ai-dark-mode .oak-hot-ai-software-short-desc {
        color: #cbd5e1;
    }
    .oak-hot-ai-software-details {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 16px;
        margin-bottom: 12px;
        font-size: 12px;
    }
    .oak-hot-label {
        color: #999;
    }
    .ai-dark-mode .oak-hot-label {
        color: #64748b;
    }
    .oak-hot-value {
        color: #333;
    }
    .ai-dark-mode .oak-hot-value {
        color: #e2e8f0;
    }
    .oak-hot-growth-up {
        color: #00b42a !important;
    }
    .oak-hot-growth-down {
        color: #e53333 !important;
    }
    .oak-hot-ai-software-scene {
        margin-bottom: 12px;
        font-size: 12px;
    }
    .oak-hot-scene-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-top: 4px;
    }
    .oak-hot-scene-tag {
        background: #f0f0f0;
        color: #666;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 11px;
    }
    .ai-dark-mode .oak-hot-scene-tag {
        background: #334155;
        color: #cbd5e1;
    }
    .oak-hot-desc-text {
        color: #666;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        font-size: 12px;
    }
    .ai-dark-mode .oak-hot-desc-text {
        color: #94a3b8;
    }
    .oak-hot-ai-software-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 30px 0;
        color: #999;
    }

    .oak-hot-ai-software-pagination {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 12px;
        padding: 20px;
        background: #fff;
        border-top: 1px solid #f5f5f5;
        flex-wrap: wrap;
        border-radius: 0 0 8px 8px;
    }
    .ai-dark-mode .oak-hot-ai-software-pagination {
        background: #1e293b;
        border-top-color: #334155;
    }
    .oak-hot-pagination-btn {
        padding: 8px 16px;
        border: 1px solid #e0e0e0;
        border-radius: 4px;
        background: #fff;
        color: #666;
        cursor: pointer;
        flex-shrink: 0;
        min-width: 80px;
        text-align: center;
        transition: all 0.2s;
    }
    .ai-dark-mode .oak-hot-pagination-btn {
        background: #0f172a;
        border-color: #334155;
        color: #cbd5e1;
    }
    .oak-hot-pagination-btn:hover {
        border-color: #e53333;
        color: #e53333;
    }
    .oak-hot-pagination-btn:disabled {
        border-color: #f0f0f0;
        color: #ccc;
        cursor: not-allowed;
    }
    .ai-dark-mode .oak-hot-pagination-btn:disabled {
        border-color: #1e293b;
        color: #475569;
    }
    .oak-hot-pagination-numbers {
        display: flex;
        gap: 6px;
    }
    .oak-hot-pagination-number {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
        color: #666;
        cursor: pointer;
        flex-shrink: 0;
        transition: all 0.2s;
    }
    .ai-dark-mode .oak-hot-pagination-number {
        color: #cbd5e1;
    }
    .oak-hot-pagination-number:hover {
        background: #f0f0f0;
    }
    .ai-dark-mode .oak-hot-pagination-number:hover {
        background: #334155;
    }
    .oak-hot-pagination-number.active {
        background: #e53333;
        color: #fff;
    }
    .oak-hot-pagination-info {
        margin: 0 16px;
        font-size: 14px;
        color: #999;
        flex-shrink: 0;
        white-space: nowrap;
    }
    .ai-dark-mode .oak-hot-pagination-info {
        color: #64748b;
    }

    /* 响应式调整 */
    @media (max-width: 1200px) {
        .oak-hot-baidu-hot-wrapper { 
            width: 95%; 
        }
    }
    @media (max-width: 768px) {
        .oak-hot-baidu-hot-wrapper {
            padding: 70px 0 20px;
        }
        .oak-hot-ai-software-container { 
            grid-template-columns: 1fr; 
            padding: 0 16px 16px; 
        }
        .oak-hot-ai-software-card { 
            padding: 12px; 
        }
        .oak-hot-ai-software-logo { 
            width: 50px; 
            height: 50px; 
        }
        .oak-hot-ai-software-name { 
            font-size: 16px; 
            height: 50px; 
        }
        .oak-hot-ai-software-pagination { 
            gap: 8px;
            justify-content: center;
        }
        .oak-hot-pagination-info {
            margin: 8px 0;
            width: 100%;
            text-align: center;
            order: 3;
        }
        .oak-hot-pagination-numbers {
            order: 2;
        }
        .oak-hot-pagination-btn {
            order: 1;
        }
        .oak-hot-pagination-btn:last-child {
            order: 4;
        }
    }
    
    /* 电脑端隐藏手机端按钮 */
@media (min-width: 768px) {
  .hide-on-desktop {
    display: none !important;
  }
}

/* 手机端顶部导航菜单样式 */
@media (max-width: 767px) {
  .ai-navbar-links {
    display: none !important;
    position: absolute;
    top: 4rem;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 99;
  }
  .ai-dark-mode .ai-navbar-links {
    background: #0f172a;
  }
  .ai-navbar-links.ai-show {
    display: flex !important;
  }
}