/* ============================================
   企业级网址导航站 - 设计系统（v2.2 优化版）
   ============================================ */

/* CSS Variables - 时尚阳光国际化风格 */
:root {
    --color-primary: #FF6B35;
    --color-primary-dark: #E85A2A;
    --color-primary-light: #FFF0E8;
    --color-secondary: #FBBF24;
    --color-accent: #F472B6;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;

    --color-bg: #FFFBF5;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #FFFFFF;
    --color-border: #FDE68A;
    --color-border-light: #FEF3C7;

    --color-text: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #FFFFFF;

    --shadow-sm: 0 1px 2px 0 rgb(255 107 53 / 0.06);
    --shadow: 0 1px 3px 0 rgb(255 107 53 / 0.08), 0 1px 2px -1px rgb(255 107 53 / 0.06);
    --shadow-md: 0 4px 12px -1px rgb(255 107 53 / 0.10), 0 2px 6px -2px rgb(255 107 53 / 0.06);
    --shadow-lg: 0 12px 24px -4px rgb(255 107 53 / 0.12), 0 4px 8px -4px rgb(0 0 0 / 0.04);
    --shadow-xl: 0 24px 48px -8px rgb(255 107 53 / 0.14), 0 8px 16px -6px rgb(0 0 0 / 0.04);

    --radius-sm: 6px;
    --radius: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;

    --header-height: 64px;
    --sidebar-width: 320px;
    --container-max: 1280px;

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* [v2.2 优化] 暗色模式：保留 @media 查询作为 JS 未加载时的降级 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg: #1E1B4B;
        --color-surface: #312E81;
        --color-surface-elevated: #4338CA;
        --color-border: #4C4B6E;
        --color-border-light: #3730A3;
        --color-text: #FEF7ED;
        --color-text-secondary: #FDE68A;
        --color-text-muted: #A5B4FC;
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
        --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    }
}

/* [v2.2 优化] 手动切换暗色模式（优先级最高） */
:root[data-theme="dark"] {
    --color-bg: #1E1B4B;
    --color-surface: #312E81;
    --color-surface-elevated: #4338CA;
    --color-border: #4C4B6E;
    --color-border-light: #3730A3;
    --color-text: #FEF7ED;
    --color-text-secondary: #FDE68A;
    --color-text-muted: #C7D2FE;
    --color-primary: #FDBA74;
    --color-primary-dark: #FED7AA;
    --color-primary-light: #4C1D12;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}
.logo-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}
.logo-text { white-space: nowrap; }

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.nav-link {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.header-actions button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition);
}
.header-actions button:hover {
    background: var(--color-border-light);
    color: var(--color-text);
}
.header-actions button svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .sun-icon { display: block; }
    :root:not([data-theme="light"]) .theme-toggle .moon-icon { display: none; }
}
:root[data-theme="dark"] .theme-toggle .sun-icon { display: block; }
:root[data-theme="dark"] .theme-toggle .moon-icon { display: none; }
:root[data-theme="light"] .theme-toggle .sun-icon { display: none; }
:root[data-theme="light"] .theme-toggle .moon-icon { display: block; }

.mobile-menu-toggle { display: none; }

/* Search Panel */
.search-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 16px 0;
}
.search-panel.active { display: block; }
.search-box {
    position: relative;
    max-width: 640px;
    margin: 0 auto;
}
.search-box .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
}
.search-box input {
    width: 100%;
    padding: 12px 44px 12px 44px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}
.search-close {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 1.125rem;
}
.search-close:hover { background: var(--color-border-light); color: var(--color-text); }
.search-results {
    max-width: 640px;
    margin: 10px auto 0;
    max-height: 400px;
    overflow-y: auto;
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
    font-size: 0.8125rem;
}
.breadcrumbs ol {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    flex-wrap: wrap;
}
.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    color: var(--color-text-muted);
}
.breadcrumbs a { color: var(--color-text-secondary); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs span { color: var(--color-text-muted); }

/* ============================================
   Ads (Auto Ads)
   ============================================ */
.ad-container {
    overflow: hidden;
    max-width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px;
    margin: 20px 0;
    text-align: center;
    min-height: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.ad-label {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.ad-top { margin-top: 0; }
.ad-sidebar { margin: 0 0 24px; }
.ad-inline { margin: 32px 0; }
.ad-bottom { margin-bottom: 0; }
.ad-inline-list { margin: 16px 0; }

.ad-container ins.adsbygoogle {
    display: block !important;
    width: 100%;
    max-width: 100%;
}
.ad-container ins.adsbygoogle[data-ad-status="unfilled"] {
    display: none !important;
}

/* D-1: prevent AdSense auto-ad iframe horizontal overflow on narrow screens */
ins.adsbygoogle,
.adsbygoogle iframe,
iframe[src*="googleads"] {
    max-width: 100%;
}


/* ============================================
   Layout
   ============================================ */
.main-content { padding: 24px 0 40px; }
.content-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: 28px;
    align-items: start;
}
/* [v2.2 优化] 主内容区启用 contain 提升渲染性能 */
.content-main {
    min-width: 0;
    contain: layout style;
}
.sidebar { position: sticky; top: calc(var(--header-height) + 32px); }

@media (max-width: 1024px) {
    .content-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8F5D 25%, #FBBF24 55%, #F472B6 85%, #C084FC 100%);
    color: var(--color-text-inverse);
    padding: 48px 0 56px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}
.hero-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; padding: 0 16px; }
.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 18px;
    font-weight: 400;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.hero-search {
    position: relative;
    max-width: 100%;
    width: 100%;
    margin: 0 auto 16px;
}
.hero-search .search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: #64748b;
    pointer-events: none;
}
.hero-search input {
    width: 100%;
    padding: 14px 24px 14px 52px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.98);
    color: #1F2937;
    font-size: 1rem;
    box-shadow: 0 12px 40px -8px rgba(255,107,53,0.25), var(--shadow-lg);
    transition: all var(--transition);
}
.hero-search input:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255,107,53,0.2), 0 16px 48px -8px rgba(255,107,53,0.3);
    background: #ffffff;
}
.hero-search input::placeholder { color: #9CA3AF; }
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.stat-item { text-align: center; }
.stat-number {
    display: block;
    font-size: 1.375rem;
    font-weight: 800;
    line-height: 1;
}
.stat-label {
    font-size: 0.8125rem;
    opacity: 0.8;
    margin-top: 4px;
    font-weight: 500;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
    flex-wrap: wrap;
}
.section-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}
.section-header h2 svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}
.section-header h2 a { color: var(--color-text); }
.section-header h2 a:hover { color: var(--color-primary); }
.view-all {
    font-size: 0.8125rem;
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 3px;
}
.view-all:hover { color: var(--color-primary-dark); }
.section-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    background: var(--color-danger);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-left: 6px;
}
.section-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-left: 6px;
}

/* ============================================
   Category Cards
   ============================================ */
.quick-categories { margin-top: 32px; }
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}
.category-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--color-text);
}
.category-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 32px -4px rgba(255, 107, 53, 0.15);
    transform: translateY(-3px);
    color: var(--color-text);
}
.category-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--card-color, var(--color-primary-light));
    color: var(--color-primary);
    font-size: 1.125rem;
    flex-shrink: 0;
}
.category-info h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1px;
}
.category-info span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.home-category-section,
.home-category-directory { margin-top: 28px; }
.category-directory-intro {
    margin: -4px 0 12px;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}
.category-link-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
    list-style: none;
}
.category-link-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
}
.category-link-list a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.category-link-list span { color: var(--color-text-muted); font-size: 0.75rem; white-space: nowrap; }

/* ============================================
   Site Cards
   ============================================ */
.site-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
    align-items: start;
}
.site-grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
    align-items: start;
}
.site-grid.compact .site-card {
    min-height: auto;
}
.site-grid.compact .site-desc {
    -webkit-line-clamp: 1;
    min-height: auto;
    margin-bottom: 8px;
}
.site-grid.compact .site-footer {
    margin-top: 4px;
    padding-top: 6px;
    border-top: 1px solid var(--color-border-light);
}
.site-grid.compact .site-clicks {
    font-size: 0.75rem;
}
.site-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}
.site-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 16px 40px -6px rgba(255, 107, 53, 0.15), 0 4px 12px -4px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
}
.site-card-link {
    display: flex;
    flex-direction: column;
    padding: 10px 10px 4px 10px;
    color: var(--color-text);
    height: 100%;
}
.site-card-link:hover { color: var(--color-text); }
.site-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}
.site-favicon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    flex-shrink: 0;
    background: var(--color-bg);
    padding: 2px;
}
.site-meta { min-width: 0; flex: 1; }
.site-name {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.site-category {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    display: block;
    margin-top: 1px;
}
.site-new-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    background: var(--color-success);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    letter-spacing: 0.02em;
}
.site-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
}
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2px;
    margin-top: 2px;
    padding-top: 1px;
    border-top: 1px solid var(--color-border-light);
}
.site-tags {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
}
.tag {
    display: inline-flex;
    padding: 0px 4px;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.6875rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    border: 1px solid var(--color-border-light);
    line-height: 1.1;
}
.tag:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
}
.site-clicks {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
    line-height: 1;
}
.site-clicks svg {
    width: 12px;
    height: 12px;
}
.site-external {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    opacity: 0;
    transition: all 0.2s ease;
}
.site-external svg {
    width: 14px;
    height: 14px;
}
.site-card:hover .site-external {
    opacity: 1;
    background: var(--color-bg);
    color: var(--color-primary);
}
.site-external:hover {
    background: linear-gradient(135deg, #FF6B35, #FBBF24) !important;
    color: white !important;
}

/* ============================================
   Site List (Category Page)
   ============================================ */
.category-header {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.category-desc {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}
.subcategory-tabs {
    display: flex;
    gap: 6px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.tab-item {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
}
.tab-item:hover, .tab-item.active {
    background: linear-gradient(135deg, #FF6B35, #FBBF24);
    color: white;
    border-color: transparent;
}

.site-list { display: flex; flex-direction: column; gap: 10px; }
.long-list .site-list-item {
    content-visibility: auto;
    contain-intrinsic-size: auto 92px;
}
.site-list-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.site-list-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.08);
}
.site-list-rank {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    font-weight: 700;
    flex-shrink: 0;
    border: 1px solid var(--color-border-light);
}
.site-list-item:nth-child(1) .site-list-rank { background: #fef3c7; color: #d97706; }
.site-list-item:nth-child(2) .site-list-rank { background: #f1f5f9; color: #64748b; }
.site-list-item:nth-child(3) .site-list-rank { background: #fef2f2; color: #dc2626; }
.site-list-favicon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: var(--color-bg);
    padding: 3px;
    flex-shrink: 0;
}
.site-list-info { flex: 1; min-width: 0; }
.site-list-info h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.site-list-info h3 a { color: var(--color-text); }
.site-list-info h3 a:hover { color: var(--color-primary); }
.site-list-info p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.site-list-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.site-list-url {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}
.site-list-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.btn-visit {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #FF6B35 0%, #FBBF24 100%);
    color: white;
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(255, 107, 53, 0.2);
}
.btn-visit:hover {
    background: linear-gradient(135deg, #E85A2A 0%, #F59E0B 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}
.btn-visit svg { width: 14px; height: 14px; }

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 24px;
    flex-wrap: wrap;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--transition);
}
.pagination a {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}
.pagination a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.pagination span.page-current {
    background: linear-gradient(135deg, #FF6B35, #FBBF24);
    color: white;
}
.page-prev, .page-next { padding: 0 12px !important; }

/* ============================================
   Site Detail Page
   ============================================ */
.site-detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.site-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, transparent 100%);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.site-detail-favicon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    object-fit: contain;
    background: var(--color-surface);
    padding: 4px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}
.site-detail-title { flex: 1; min-width: 0; }
.site-detail-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.site-detail-subtitle {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.8125rem;
}
.category-link {
    padding: 2px 10px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
}
.category-link:hover { background: var(--color-primary-dark); color: white; }
.domain {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}
.added-date { color: var(--color-text-muted); }
.site-detail-actions { flex-shrink: 0; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #FF6B35 0%, #FBBF24 100%);
    color: white;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(255, 107, 53, 0.2);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #E85A2A 0%, #F59E0B 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
}
.btn-primary:active {
    transform: scale(0.98) translateY(0);
    box-shadow: none;
}
.btn-primary svg { width: 16px; height: 16px; }
.btn-visit-large { padding: 12px 24px; font-size: 1rem; }

.site-detail-body { padding: 28px; }
.site-detail-body h2 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: -0.01em;
}
.site-detail-body h2 svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}
.site-detail-desc {
    margin-bottom: 24px;
}
.site-detail-desc p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
    font-size: 0.9375rem;
}
.site-detail-desc p:last-child { margin-bottom: 0; }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    background: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border-light);
}
.info-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.info-value {
    font-size: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
    word-break: break-all;
}
.info-value.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.safe-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-success);
    font-weight: 600;
    font-size: 0.8125rem;
}
.safe-badge svg { width: 14px; height: 14px; }

/* Stats Section */
.site-detail-stats { margin-top: 24px; }
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 10px 14px;
    background: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border-light);
    text-align: center;
    min-height: auto;
}
.stat-card-number {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    word-break: break-word;
}
.stat-card-label {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    line-height: 1.2;
}

/* Trend Chart */
.trend-chart-wrapper {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--color-border-light);
}
.trend-chart-wrapper h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--color-text-secondary);
}
.trend-chart {
    position: relative;
    width: 100%;
    height: 180px;
}
.trend-chart canvas {
    width: 100%;
    height: 100%;
}

/* Related Sites */
.related-sites-section { margin-bottom: 24px; }
.related-section { margin-top: 24px; }
.related-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}
.related-categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.related-category {
    padding: 6px 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--color-text);
    transition: all var(--transition);
}
.related-category:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============================================
   Comments
   ============================================ */
.comments-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
}
.comments-section .section-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}
.comment-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}
.comments-loading {
    text-align: center;
    padding: 32px;
    color: var(--color-text-muted);
}
.comment-item {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border-light);
}
.comment-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #FF6B35, #FBBF24);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}
.comment-body { flex: 1; min-width: 0; }
.comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}
.comment-author {
    font-weight: 600;
    font-size: 0.875rem;
}
.comment-time {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}
.comment-content {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    word-break: break-word;
}
.comment-empty {
    text-align: center;
    padding: 32px;
    color: var(--color-text-muted);
}

.comment-form-wrapper {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--color-border-light);
}
.comment-form-wrapper h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 16px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}
.form-group input,
.form-group textarea {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.875rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-hint {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-align: right;
}
.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.form-notice {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   Search Page
   ============================================ */
.search-page-header {
    text-align: center;
    padding: 24px 0;
}
.search-page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}
.search-page-box {
    position: relative;
    max-width: 520px;
    margin: 0 auto 16px;
}
.search-page-box .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
}
.search-page-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: border-color var(--transition);
}
.search-page-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}
.search-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: linear-gradient(135deg, #FF6B35, #FBBF24);
    color: white;
    border-color: transparent;
}
.search-results-page { min-height: 300px; }
.search-empty {
    text-align: center;
    padding: 40px 0;
    color: var(--color-text-muted);
}
.search-empty svg {
    margin-bottom: 16px;
    color: var(--color-border);
}
.search-hot-keywords {
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 0.8125rem;
}
.search-hot-keywords a {
    padding: 3px 10px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
}
.search-hot-keywords a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.search-result-item {
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 10px;
    transition: all var(--transition);
}
.search-result-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.1);
}
.search-result-item img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: var(--color-bg);
    padding: 3px;
    flex-shrink: 0;
}
.search-result-info { flex: 1; min-width: 0; }
.search-result-info h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.search-result-info h3 a { color: var(--color-text); }
.search-result-info h3 a:hover { color: var(--color-primary); }
.search-result-info p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 4px;
}
.search-result-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 0.6875rem;
}
.search-result-meta .tag { font-size: 0.75rem; }
.search-result-meta .category-link { font-size: 0.75rem; }

/* ============================================
   Sidebar Widgets
   ============================================ */
.sidebar-widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
}
.widget-title {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text);
    letter-spacing: -0.01em;
}
.widget-title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}
.widget-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.widget-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    color: var(--color-text);
    font-size: 0.8125rem;
}
.widget-item:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}
.widget-rank {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: 0.625rem;
    font-weight: 700;
    flex-shrink: 0;
    border: 1px solid var(--color-border-light);
}
.widget-item:nth-child(1) .widget-rank { background: #fef3c7; color: #d97706; }
.widget-item:nth-child(2) .widget-rank { background: #f1f5f9; color: #64748b; }
.widget-item:nth-child(3) .widget-rank { background: #fef2f2; color: #dc2626; }
.widget-favicon {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    object-fit: contain;
    background: var(--color-bg);
    flex-shrink: 0;
}
.widget-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.8125rem;
}
.widget-clicks {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}
.widget-badge {
    font-size: 0.625rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}
.widget-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    flex-shrink: 0;
}
.widget-count {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 1px 6px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tag-cloud-item {
    padding: 3px 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    transition: all var(--transition);
    line-height: 1.5;
}
.tag-cloud-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}
.tool-item {
    display: block;
    padding: 8px;
    text-align: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    transition: all var(--transition);
}
.tool-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.stat-box {
    text-align: center;
    padding: 10px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}
.stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}
.stat-label {
    font-size: 0.625rem;
    color: var(--color-text-muted);
    margin-top: 3px;
    font-weight: 500;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.quick-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--transition);
    width: 100%;
    text-align: left;
}
.quick-action:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.quick-action svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.quick-action.btn-primary {
    background: linear-gradient(135deg, #FF6B35, #FBBF24);
    color: white;
    border-color: transparent;
    justify-content: center;
}
.quick-action.btn-primary:hover {
    background: linear-gradient(135deg, #E85A2A, #F59E0B);
    color: white;
}

/* ============================================
   404 Page
   ============================================ */
.not-found {
    text-align: center;
    padding: 48px 0;
}
.not-found-code {
    font-size: 6rem;
    font-weight: 800;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: 12px;
}
.not-found h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.not-found p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 0.875rem;
}
.not-found-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.not-found-suggestions h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ============================================
   Footer
   ============================================ */
.page-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 40px 0 24px;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}
.footer-brand { max-width: 300px; }
.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 10px;
}
.footer-logo svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}
.footer-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}
.footer-stats {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.footer-stats strong {
    color: var(--color-primary);
    font-weight: 700;
}
.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-links a {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-primary); }
.footer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-tags .tag-link {
    font-size: 0.75rem;
    padding: 3px 8px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition);
}
.footer-tags .tag-link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.footer-friend-links {
    margin: 0;
    padding: 0 0 20px;
    border-bottom: 1px solid var(--color-border-light);
}
.footer-friend-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}
.friend-links a {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 4px 0;
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    line-height: 1.4;
    text-decoration: none;
    overflow-wrap: anywhere;
    transition: color var(--transition);
}
.friend-links a:hover,
.friend-links a:focus-visible {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.footer-third-party-disclaimer {
    margin: 0 0 28px;
    padding: 16px 0 0;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    line-height: 1.7;
}
.footer-third-party-disclaimer a {
    margin-left: 0.35em;
    color: var(--color-text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.footer-third-party-disclaimer a:hover,
.footer-third-party-disclaimer a:focus-visible { color: var(--color-primary); }
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.footer-bottom p { margin-bottom: 4px; }

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #FF6B35, #FBBF24);
    color: white;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 99;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: linear-gradient(135deg, #E85A2A, #F59E0B);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
}
.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Mobile Responsive
   ============================================ */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .header-inner { gap: 8px; }

    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        padding: 12px 0;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        z-index: 99;
    }

    .main-nav.mobile-open {
        display: flex;
    }

    .main-nav .nav-link {
        padding: 12px 24px;
        border-radius: 0;
        font-size: 1rem;
    }

    .main-nav .nav-link:hover,
    .main-nav .nav-link.active {
        background: var(--color-primary-light);
    }

    .mobile-menu-toggle { display: flex; }

    .hero-section { padding: 24px 0 28px; }
    .hero-stats { gap: 20px; }
    .hero-search {
        max-width: 100%;
        width: 100%;
        margin: 0 auto 16px;
        padding: 0;
    }
    .hero-search input {
        padding: 14px 18px 14px 46px;
        font-size: 1rem;
    }
    .hero-search .search-icon {
        left: 16px;
        width: 20px;
        height: 20px;
    }
    .category-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .site-grid { grid-template-columns: 1fr; gap: 10px; align-items: start; }
    .site-grid.compact { grid-template-columns: repeat(2, 1fr); gap: 8px; align-items: start; }
    .site-detail-header { padding: 20px; gap: 12px; }
    .site-detail-favicon { width: 44px; height: 44px; }
    .site-detail-title h1 { font-size: 1.25rem; }
    .site-detail-subtitle { gap: 8px; font-size: 0.8125rem; }
    .site-detail-actions {
        width: 100%;
        margin-top: 12px;
    }
    .site-detail-actions .btn-primary {
        width: 100%;
        justify-content: center;
    }
    .site-detail-body { padding: 20px; }
    .stats-cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 10px 12px; min-height: auto; }
    .stat-card-number { font-size: 1.125rem; }
    .trend-chart { height: 160px; }
    .trend-chart-wrapper { padding: 16px; }
    .info-grid { grid-template-columns: 1fr; gap: 12px; }
    .form-row { grid-template-columns: 1fr; gap: 12px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .page-footer { padding-top: 32px; }
    .footer-third-party-disclaimer { margin-bottom: 24px; }
    .site-list-item { flex-wrap: wrap; gap: 10px; padding: 12px; }
    .site-list-actions { width: 100%; justify-content: space-between; margin-top: 4px; }
    .not-found-code { font-size: 4rem; }
    .ad-container { padding: 10px; }
    .main-nav { padding: 8px 0; }
    .main-nav .nav-link { padding: 10px 20px; font-size: 0.9375rem; }
}

@media (max-width: 480px) {
    .category-grid { grid-template-columns: 1fr; }
    .site-grid.compact { grid-template-columns: 1fr; gap: 8px; }
    .footer-grid { grid-template-columns: 1fr; }
    .page-footer { padding-top: 28px; }
    .footer-friend-links { padding-bottom: 16px; }
    .footer-third-party-disclaimer { padding-top: 14px; margin-bottom: 22px; }
    .friend-links { gap: 6px 14px; }
    .stats-cards { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .tool-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 1.5rem; margin-bottom: 8px; }
    .section-header h2 { font-size: 1rem; }
    .category-title { font-size: 1.25rem; }
    .hero-search input {
        padding: 10px 14px 10px 40px;
        font-size: 0.875rem;
    }
    .hero-search .search-icon {
        left: 12px;
        width: 16px;
        height: 16px;
    }
    .site-detail-favicon {
        width: 40px;
        height: 40px;
    }
    .site-detail-title h1 {
        font-size: 1.125rem;
    }
    .site-detail-actions .btn-primary {
        padding: 10px 16px;
        font-size: 0.875rem;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.site-card, .site-list-item, .category-card {
    animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.site-card:nth-child(2) { animation-delay: 0.04s; }
.site-card:nth-child(3) { animation-delay: 0.08s; }
.site-card:nth-child(4) { animation-delay: 0.12s; }
.site-card:nth-child(5) { animation-delay: 0.16s; }
.site-card:nth-child(6) { animation-delay: 0.20s; }

/* [v2.2 优化] 尊重用户减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* Selection */
::selection {
    background: #FFF0E8;
    color: #E85A2A;
}

/* ============================================
   双网址相关样式
   ============================================ */
.out-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    background: var(--color-accent);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-left: 6px;
}

.redirect-info {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-warning);
    font-weight: 500;
    font-size: 0.8125rem;
}
.redirect-info svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   静态页面内容样式
   ============================================ */
.static-page-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 0;
}
.static-page-content h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text);
    letter-spacing: -0.01em;
}
.static-page-content h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 28px 0 14px;
    color: var(--color-text);
}
.static-page-content p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 14px;
}
.static-page-content ul {
    margin: 16px 0;
    padding-left: 24px;
}
.static-page-content ul li {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}
.static-page-content pre {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.6;
    margin: 14px 0;
}
.static-page-content code {
    background: var(--color-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-primary);
}

/* ============================================
   健康检查报告样式
   ============================================ */
.health-report {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 900px;
    margin: 24px auto;
}
.health-report h1 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
    letter-spacing: -0.01em;
}
.health-report h2 {
    font-size: 1rem;
    font-weight: 600;
    margin: 20px 0 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}
.health-report .stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
.health-report .stat-box {
    text-align: center;
    padding: 12px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}
.health-report .stat-value {
    display: block;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}
.health-report .stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}
.health-report table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin: 12px 0;
}
.health-report th,
.health-report td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}
.health-report th {
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.health-report td {
    color: var(--color-text-secondary);
}
.health-report tr:hover td {
    background: var(--color-primary-light);
}
.health-report .status-ok {
    color: var(--color-success);
    font-weight: 600;
}
.health-report .status-warn {
    color: var(--color-warning);
    font-weight: 600;
}
.health-report .status-error {
    color: var(--color-danger);
    font-weight: 600;
}

/* Enterprise focus-visible accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
.hot-keyword {
    border: 0;
    background: transparent;
    color: var(--color-primary);
    cursor: pointer;
    font: inherit;
    padding: 0;
}

/* Security, accessibility and shared template utilities */
:root {
    --color-primary: #C2410C;
    --color-primary-dark: #9A3412;
    --color-primary-light: #FFF0E8;
    --color-text-muted: #6B7280;
}
.svg-sprite { display: none; }
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 9999;
    padding: 12px 24px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.skip-link:focus { top: 0; }
.hero-section { background: linear-gradient(135deg, #9A3412 0%, #C2410C 55%, #9D174D 100%); }
.btn-primary,
.btn-visit,
.quick-action.btn-primary,
.filter-btn.active,
.tab-item.active,
.pagination span.page-current,
.back-to-top { background: var(--color-primary); color: #fff; }
.btn-primary:hover,
.btn-visit:hover,
.quick-action.btn-primary:hover,
.filter-btn:hover,
.tab-item:hover,
.back-to-top:hover { background: var(--color-primary-dark); color: #fff; }
.site-external { opacity: 1; }
.search-status { min-height: 1.5rem; color: var(--color-text-secondary); font-size: 0.875rem; }
.search-suggestion { font-size: 0.875rem; margin-top: 8px; }
.search-result-domain { color: var(--color-text-muted); font-size: 0.75rem; }
.search-load-more { display: flex; justify-content: center; margin: 20px 0; }
.search-loading,
.search-error { padding: 24px; text-align: center; color: var(--color-text-secondary); }
.search-error p { margin-bottom: 12px; }
.btn-inline {
    color: var(--color-primary);
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.btn-primary:disabled { cursor: wait; opacity: 0.65; transform: none; }
.form-feedback { min-height: 1.5rem; margin-top: 10px; font-size: 0.8125rem; }
.form-feedback.is-pending { color: var(--color-text-secondary); }
.form-feedback.is-success { color: var(--color-success); }
.form-feedback.is-error { color: var(--color-danger); }
.trend-summary { margin-top: 10px; color: var(--color-text-secondary); font-size: 0.8125rem; }
.global-feedback {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 200;
    transform: translateX(-50%);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    background: var(--color-text);
    color: var(--color-surface);
    box-shadow: var(--shadow-md);
}
.global-feedback:empty { display: none; }
.clipboard-helper { position: fixed; left: -9999px; top: 0; }
.site-snapshot-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}
.site-snapshot-section h2 { display: flex; align-items: center; gap: 0.5rem; font-size: 1.1rem; margin-bottom: 1rem; }
.site-snapshot-section h2 svg { width: 20px; height: 20px; stroke: var(--color-primary); }
.snapshot-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}
.site-snapshot { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.site-snapshot:hover { transform: scale(1.02); }
.snapshot-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: var(--color-text-secondary); }
.snapshot-placeholder a { margin-top: 0.5rem; color: var(--color-primary); text-decoration: underline; }
.snapshot-note { margin-top: 0.75rem; font-size: 0.85rem; color: var(--color-text-muted); text-align: center; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-primary: #FDBA74;
        --color-primary-dark: #FED7AA;
        --color-primary-light: #4C1D12;
        --color-text-muted: #C7D2FE;
    }
}
:root[data-theme="dark"] .btn-primary,
:root[data-theme="dark"] .btn-visit,
:root[data-theme="dark"] .quick-action.btn-primary,
:root[data-theme="dark"] .filter-btn.active,
:root[data-theme="dark"] .tab-item.active,
:root[data-theme="dark"] .category-link,
:root[data-theme="dark"] .pagination span.page-current,
:root[data-theme="dark"] .back-to-top { background: #9A3412; color: #fff; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .btn-primary,
    :root:not([data-theme="light"]) .btn-visit,
    :root:not([data-theme="light"]) .quick-action.btn-primary,
    :root:not([data-theme="light"]) .filter-btn.active,
    :root:not([data-theme="light"]) .tab-item.active,
    :root:not([data-theme="light"]) .category-link,
    :root:not([data-theme="light"]) .pagination span.page-current,
    :root:not([data-theme="light"]) .back-to-top { background: #9A3412; color: #fff; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .site-card, .site-list-item, .category-card { animation: none !important; }
    .site-snapshot:hover, .category-card:hover, .site-card:hover { transform: none; }
}