:root {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #4338ca;
    --accent: #0ea5e9;
    --bg: #f4f6fb;
    --bg-card: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.92);
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
    --radius: 14px;
    --radius-lg: 20px;
    --radius-sm: 10px;
    --primary-bg: #eef2ff;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --primary: #818cf8;
    --primary-light: #a5b4fc;
    --primary-dark: #6366f1;
    --accent: #38bdf8;
    --bg: #0b1120;
    --bg-card: #151f32;
    --bg-header: rgba(11, 17, 32, 0.92);
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #1e293b;
    --border-light: #1a2438;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
    --primary-bg: rgba(99, 102, 241, 0.12);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 24px;
}

.main-content {
    padding-bottom: 20px;
    overflow-x: clip;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.logo img, .logo-img { height: 30px; width: auto; border-radius: 8px; object-fit: contain; }
.logo-icon { color: var(--primary); display: flex; align-items: center; }
.logo-icon i { font-size: 1.15rem; }

.theme-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.theme-toggle i { font-size: 0.95rem; }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }

/* Carousel - Coverflow（与页面内容同宽） */
.carousel-section {
    width: 100%;
    margin: 20px 0 28px;
    overflow: hidden;
}

.carousel {
    position: relative;
    width: 100%;
    padding: 4px 0 0;
    overflow: hidden;
    background: transparent;
    border: none;
    box-shadow: none;
    --carousel-active-w: 68%;
}

.carousel-viewport {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: auto;
    min-height: 180px;
    transition: height 0.35s ease;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 68%;
    height: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    z-index: 0;
    pointer-events: none;
    box-shadow: var(--shadow);
    transition: transform 0.45s ease, opacity 0.45s ease, visibility 0.45s, box-shadow 0.45s ease;
    transform: translate3d(-50%, -50%, 0) scale(0.78);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.carousel-slide.prev,
.carousel-slide.next {
    opacity: 0.75;
    visibility: visible;
    z-index: 2;
    pointer-events: auto;
    height: 92%;
}

.carousel-slide.prev {
    transform: translate3d(calc(-50% - 20%), -50%, 0) scale(0.86);
}

.carousel-slide.next {
    transform: translate3d(calc(-50% + 20%), -50%, 0) scale(0.86);
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 3;
    pointer-events: auto;
    width: var(--carousel-active-w, 68%);
    height: 100%;
    transform: translate3d(-50%, -50%, 0) scale(1);
    box-shadow: var(--shadow-lg);
    transition: transform 0.45s ease, opacity 0.45s ease, visibility 0.45s, box-shadow 0.45s ease, width 0.35s ease;
}

.carousel-slide.far {
    opacity: 0;
    visibility: hidden;
    z-index: 0;
    pointer-events: none;
    transform: translate3d(-50%, -50%, 0) scale(0.72);
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    border-radius: inherit;
    vertical-align: middle;
}

.carousel-link {
    display: block;
    height: 100%;
    position: relative;
    text-decoration: none;
    border-radius: inherit;
    overflow: hidden;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px 16px 10px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
}

.carousel-caption span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.94);
    color: #334155;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.18);
    opacity: 1;
}

.carousel:hover .carousel-btn { opacity: 1; }
.carousel-btn:hover {
    background: rgba(255, 255, 255, 1);
    color: var(--primary);
    transform: translateY(-50%) scale(1.06);
}

.carousel-btn i { font-size: 0.85rem; color: inherit; }
.carousel-btn.prev { left: 8px; }
.carousel-btn.next { right: 8px; }

.carousel-footer {
    position: relative;
    z-index: 5;
    padding: 16px 16px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    pointer-events: none;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    pointer-events: auto;
}

.carousel-dots .dot {
    width: 6px;
    height: 6px;
    border-radius: 3px;
    border: none;
    background: var(--text-muted);
    opacity: 0.45;
    cursor: pointer;
    transition: all 0.35s ease;
    padding: 0;
}

.carousel-dots .dot.active {
    background: var(--primary);
    opacity: 1;
    width: 22px;
}

/* Search Hero */
.search-section { margin: 36px 0; position: relative; z-index: 20; }

.search-hero {
    text-align: center;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 6px;
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.search-box {
    display: flex;
    align-items: stretch;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0 6px 0 0;
    box-shadow: var(--shadow);
    transition: border-color var(--transition), box-shadow var(--transition);
    overflow: visible;
}

.search-scope {
    display: flex;
    align-self: stretch;
    flex-shrink: 0;
    position: relative;
}

.scope-picker {
    position: relative;
    display: flex;
    align-self: stretch;
}

.scope-picker-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    background-color: var(--primary-bg);
    color: var(--text);
    padding: 0 12px 0 10px;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    min-width: 118px;
    max-width: 150px;
    height: 100%;
    min-height: 48px;
    transition: background-color var(--transition);
}

.scope-picker-trigger:hover,
.scope-picker.open .scope-picker-trigger {
    background-color: var(--border-light);
}

.scope-picker-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary);
}

.scope-picker-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scope-picker-icon i {
    font-size: 0.65rem;
    color: var(--primary);
}

.scope-picker-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
    color: var(--text);
}

.scope-picker-arrow {
    flex-shrink: 0;
    font-size: 0.6rem;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.scope-picker.open .scope-picker-arrow {
    transform: rotate(180deg);
}

.scope-picker-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 200;
    min-width: 100%;
    width: max-content;
    max-width: 220px;
    max-height: 280px;
    overflow-y: auto;
    margin: 0;
    padding: 6px;
    list-style: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.scope-picker.open .scope-picker-menu {
    display: block;
}

.scope-picker-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text);
    cursor: pointer;
    transition: background-color var(--transition);
}

.scope-picker-option:hover,
.scope-picker-option.active {
    background: var(--primary-bg);
    color: var(--text);
}

.scope-picker-option .scope-picker-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-box:focus-within .scope-picker-trigger {
    background-color: var(--border-light);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--text);
    outline: none;
    min-width: 0;
    align-self: center;
    width: 100%;
}

.search-input-wrap {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    min-width: 0;
}

.search-input-wrap input {
    padding-right: 36px;
}

.search-clear {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: var(--border-light);
    color: var(--text-secondary);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), color var(--transition);
}

.search-clear.is-visible {
    display: flex;
}

.search-clear[hidden] {
    display: none !important;
}

.search-clear:hover {
    background: var(--border);
    color: var(--text);
}

.search-clear i { font-size: 0.75rem; }

.search-box input::placeholder { color: var(--text-muted); }

.search-btn {
    width: 46px;
    min-height: 46px;
    align-self: center;
    margin: 6px 0;
    border: none;
    background: var(--primary);
    color: #fff;
    border-radius: calc(var(--radius-lg) - 6px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition), transform var(--transition);
}

.search-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.04);
}

.search-btn:active { transform: scale(0.96); }

.tag-icon { font-size: 0.75rem; }

/* Tags */
.search-tags { margin-top: 22px; }

.tags-group { margin-bottom: 14px; }

.tags-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tags-empty {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tag {
    padding: 7px 16px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.hot-tag {
    border-color: var(--border-light);
    background: var(--bg-card);
}

.hot-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(14, 165, 233, 0.08);
}

/* Results */
.results-section { margin: 36px 0; animation: fadeUp 0.35s ease; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.results-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.results-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.results-count { color: var(--text-muted); font-size: 0.85rem; }

.results-grid { display: grid; gap: 10px; }

.result-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
    transition: all var(--transition);
}

.result-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.result-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
    flex-shrink: 0;
    overflow: hidden;
}

.result-icon img { width: 100%; height: 100%; object-fit: cover; }

.result-info { flex: 1; min-width: 0; }
.result-title {
    font-weight: 600;
    font-size: 0.925rem;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-platform {
    font-size: 0.72rem;
    padding: 3px 10px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 6px;
    flex-shrink: 0;
    font-weight: 600;
}

.result-arrow {
    color: var(--text-muted);
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.result-card:hover .result-arrow { opacity: 1; color: var(--primary); }

.loading-hint {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.loading-hint i { margin-right: 6px; }

/* Hot Links */
.hot-links-section { margin: 40px 0; }

.hot-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.hot-link-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    transition: all var(--transition);
    min-height: 140px;
}

.hot-link-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.hot-link-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-link-desc {
    flex: 1;
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-link-platform {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.hot-link-platform-icon {
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    overflow: hidden;
}

.hot-link-platform-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hot-link-platform-name {
    flex: 1;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-link-arrow {
    color: var(--text-muted);
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.hot-link-card:hover .hot-link-arrow {
    opacity: 1;
    color: var(--primary);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
    padding-top: 8px;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.875rem;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
}

.pagination-btn:hover:not(.disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-btn.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.pagination-jump {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pagination-jump input {
    width: 52px;
    padding: 7px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.875rem;
    text-align: center;
    outline: none;
}

.pagination-jump input:focus {
    border-color: var(--primary);
}

.pagination-jump button {
    padding: 7px 12px;
    border: none;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background var(--transition);
}

.pagination-jump button:hover {
    opacity: 0.9;
}

.section-title {
    font-size: 1.1rem;
    margin-bottom: 18px;
    color: var(--text);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}

.empty-hint {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 48px 20px;
    font-size: 0.9rem;
}

.empty-hint i {
    display: block;
    font-size: 2rem;
    margin-bottom: 10px;
    opacity: 0.4;
}

/* Footer */
.site-footer {
    margin-top: 48px;
    padding: 36px 0 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 28px;
    margin-bottom: 28px;
}

.footer-col h4 {
    font-size: 0.85rem;
    margin-bottom: 14px;
    color: var(--text);
    font-weight: 700;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--primary); }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.footer-bottom a { color: var(--text-muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--primary); }

/* Responsive */
@media (max-width: 640px) {
    .container { padding: 0 16px; }

    .carousel-section { margin: 16px 0 20px; }

    .carousel-slide { width: 68%; }
    .carousel-slide.active { width: var(--carousel-active-w, 88%); }
    .carousel-slide.prev { transform: translate3d(calc(-50% - 18%), -50%, 0) scale(0.82); }
    .carousel-slide.next { transform: translate3d(calc(-50% + 18%), -50%, 0) scale(0.82); }

    .carousel[data-count="1"] .carousel-slide {
        width: var(--carousel-active-w, 100%);
    }
    .carousel-caption {
        padding: 4px 10px 6px;
        font-size: 0.75rem;
    }
    .carousel-footer { padding: 12px 10px 0; }
    .carousel-btn { opacity: 1; width: 34px; height: 34px; }
    .carousel-btn.prev { left: 2px; }
    .carousel-btn.next { right: 2px; }
    .hero-title { font-size: 1.4rem; }
    .scope-picker-trigger { min-width: 100px; max-width: 120px; padding: 0 8px 0 8px; font-size: 0.8rem; gap: 6px; }
    .scope-picker-icon { width: 20px; height: 20px; }
    .scope-picker-menu { max-width: 200px; }
    .search-box input { padding: 10px 12px; font-size: 0.875rem; }
    .search-btn { width: 42px; height: 42px; }
    .hot-links-grid { grid-template-columns: 1fr; }
    .pagination { gap: 8px; }
    .pagination-btn { min-width: 64px; padding: 7px 10px; font-size: 0.8125rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .result-platform { display: none; }
}

.carousel[data-count="1"] .carousel-slide {
    width: var(--carousel-active-w, 100%);
    height: 100%;
    border-radius: var(--radius-lg);
}