/* ====== Reset & Base ====== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #23b7e5;
    --primary-light: #4dc9ee;
    --primary-dark: #1a9cc8;
    --accent: #7266ba;
    --accent-light: #9b8fd4;
    --bg: #f9f9f9;
    --surface: #ffffff;
    --text: #2c3e50;
    --text-secondary: #6b7b8d;
    --border: #e8ecf0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(35,183,229,.04), 0 1px 3px rgba(0,0,0,.03);
    --shadow-md: 0 4px 16px rgba(35,183,229,.07);
    --shadow-lg: 0 8px 30px rgba(35,183,229,.1);
    --transition: .25s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--primary-dark); }

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ====== Navbar ====== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(255,255,255,.78);
    border-bottom: 1px solid rgba(226,232,240,.6);
}

.nav-container {
    display: flex;
    align-items: center;
    height: 60px;
    gap: 8px;
}

.nav-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.02em;
    margin-right: 36px;
    white-space: nowrap;
}
.nav-brand:hover { color: var(--primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: .88rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}
.nav-link:hover {
    color: var(--text);
    background: rgba(0,0,0,.04);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-form:focus-within {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(35,183,229,.1);
}
.search-input {
    border: none;
    background: transparent;
    padding: 7px 12px;
    font-size: .85rem;
    outline: none;
    width: 140px;
    font-family: inherit;
}
.search-btn {
    border: none;
    background: transparent;
    padding: 7px 10px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}
.search-btn:hover { color: var(--primary); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(0,0,0,.04); }
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .25s ease;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ====== Layout ====== */
.main-content {
    flex: 1;
    padding: 40px 0;
}

.layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.content-area { min-width: 0; }

/* ====== Carousel ====== */
.carousel {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 32px;
    aspect-ratio: 2.2/1;
    background: #1e293b;
}

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

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .7s ease, transform .7s ease;
    transform: scale(1.04);
}
.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

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

.carousel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(15,23,42,.85) 0%,
        rgba(15,23,42,.45) 40%,
        rgba(15,23,42,.15) 70%,
        transparent 100%
    );
}

.carousel-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 36px 40px;
    z-index: 2;
    color: #fff;
}

.carousel-category {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.carousel-category:hover {
    background: var(--primary-light);
    color: #fff;
}

.carousel-title {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.carousel-title a { color: #fff; }
.carousel-title a:hover { color: var(--primary-light); }

.carousel-excerpt {
    font-size: .92rem;
    color: rgba(255,255,255,.8);
    line-height: 1.6;
    margin-bottom: 14px;
    max-width: 600px;
}

.carousel-meta {
    display: flex;
    gap: 18px;
    font-size: .82rem;
    color: rgba(255,255,255,.6);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    background: rgba(255,255,255,.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.15);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    opacity: 0;
}
.carousel:hover .carousel-arrow { opacity: 1; }
.carousel-arrow:hover {
    background: rgba(255,255,255,.25);
    transform: translateY(-50%) scale(1.08);
}
.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

.carousel-dots {
    position: absolute;
    bottom: 16px;
    right: 40px;
    z-index: 3;
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.5);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all .3s ease;
}
.carousel-dot:hover {
    border-color: #fff;
    background: rgba(255,255,255,.4);
}
.carousel-dot.active {
    background: #fff;
    border-color: #fff;
    width: 28px;
    border-radius: 6px;
}

.carousel-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255,255,255,.1);
    z-index: 3;
}
.carousel-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-light), var(--primary));
    border-radius: 0 2px 2px 0;
}

/* ====== Page Header ====== */
.page-header {
    margin-bottom: 32px;
}
.page-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

/* ====== Post Card Grid ====== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.post-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.post-card-cover {
    display: block;
    aspect-ratio: 16/9;
    overflow: hidden;
}
.post-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.post-card:hover .post-card-cover img {
    transform: scale(1.05);
}

.post-card-body {
    padding: 20px 24px 24px;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: .82rem;
}

.post-category {
    background: rgba(35,183,229,.08);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
    font-size: .78rem;
}
.post-category:hover {
    background: var(--primary);
    color: #fff;
}

.post-date { color: var(--text-secondary); }

.post-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
}
.post-card-title a { color: var(--text); }
.post-card-title a:hover { color: var(--primary); }

.post-excerpt {
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .82rem;
    color: var(--text-secondary);
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* ====== Post Detail ====== */
.post-detail {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.post-detail-cover {
    aspect-ratio: 21/9;
    overflow: hidden;
}
.post-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-detail-header {
    padding: 32px 36px 0;
}

.post-detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 12px 0 16px;
}

.post-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-secondary);
    font-size: .88rem;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.post-detail-body {
    padding: 32px 36px;
    font-size: 1.02rem;
    line-height: 1.9;
    color: var(--text);
}
.post-detail-body p { margin-bottom: 1em; }

/* ====== Post Navigation ====== */
.post-nav {
    display: flex;
    justify-content: space-between;
    padding: 24px 36px;
    border-top: 1px solid var(--border);
    gap: 20px;
}

.post-nav-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    transition: background var(--transition);
    max-width: 48%;
}
.post-nav-item:hover { background: rgba(35,183,229,.06); }
.post-nav-item.next { text-align: right; margin-left: auto; }

.nav-label {
    font-size: .8rem;
    color: var(--text-secondary);
}
.nav-title {
    font-weight: 500;
    color: var(--text);
    font-size: .92rem;
}

/* ====== Comments ====== */
.comments-section {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px 36px;
    margin-top: 28px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.comment-item {
    display: flex;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}
.comment-item:last-child { border-bottom: none; }

.comment-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    text-transform: uppercase;
}

.comment-content { flex: 1; min-width: 0; }

.comment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}
.comment-author { color: var(--text); }
.comment-time { font-size: .82rem; color: var(--text-secondary); }
.comment-body { color: var(--text-secondary); font-size: .95rem; }
.no-comments { color: var(--text-secondary); text-align: center; padding: 20px; }

/* ====== Comment Form ====== */
.comment-form-wrap {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.comment-form-wrap h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-weight: 500;
    font-size: .9rem;
    margin-bottom: 6px;
    color: var(--text);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .92rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--bg);
}
.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(35,183,229,.1);
    background: #fff;
}
.form-textarea { resize: vertical; min-height: 100px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 28px;
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(35,183,229,.3);
}

/* ====== Profile Card ====== */
.profile-card {
    text-align: center;
    padding: 0;
    overflow: hidden;
}

.profile-banner {
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light), var(--accent-light));
    position: relative;
}
.profile-banner::after {
    content: '�? �? �?;
    position: absolute;
    bottom: 8px;
    right: 16px;
    font-size: .7rem;
    color: rgba(255,255,255,.35);
    letter-spacing: 4px;
}

.profile-main {
    padding: 0 24px 20px;
    margin-top: -36px;
    position: relative;
}

.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 12px;
    overflow: hidden;
    border: 3px solid var(--surface);
    box-shadow: 0 4px 16px rgba(35,183,229,.2);
}
.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.profile-motto {
    font-size: .82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 14px;
}

.profile-social {
    display: flex;
    justify-content: center;
    gap: 8px;
}
.profile-social-btn {
    padding: 5px 18px;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 500;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
}
.profile-social-btn:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background: rgba(35,183,229,.04);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 4px;
    border-right: 1px solid var(--border);
    transition: background var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(35,183,229,.03); }

.stat-num {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}
.stat-label {
    font-size: .72rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ====== Sidebar ====== */
.sidebar { position: sticky; top: 84px; }

.sidebar-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.sidebar-list {
    list-style: none;
}
.sidebar-list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
    color: var(--text-secondary);
    font-size: .9rem;
    transition: color var(--transition), padding-left var(--transition);
    display: block;
}
.sidebar-list a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: .82rem;
    font-weight: 500;
    background: var(--bg);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.tag-item:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.tag-item.small {
    padding: 3px 10px;
    font-size: .78rem;
}
.tag-item .count {
    background: rgba(0,0,0,.08);
    padding: 1px 6px;
    border-radius: 10px;
    font-size: .75rem;
}
.tag-item:hover .count {
    background: rgba(255,255,255,.25);
}

.empty-hint {
    color: var(--text-secondary);
    font-size: .88rem;
}

/* ====== Empty State ====== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    grid-column: 1/-1;
}
.empty-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    opacity: .6;
}
.empty-state h2 {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}
.empty-state p { color: var(--text-secondary); }

/* ====== Pagination ====== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ====== Alert ====== */
.alert {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    margin: 16px 0;
    font-size: .9rem;
}
.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

/* ====== Footer ====== */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: .88rem;
    margin-top: auto;
}

/* ====== Responsive ====== */
@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }
    .sidebar { position: static; }
    .post-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .carousel { aspect-ratio: 16/9; }
    .carousel-title { font-size: 1.3rem; }
    .carousel-content { padding: 24px; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px; left: 0; right: 0;
        background: rgba(255,255,255,.97);
        backdrop-filter: blur(16px);
        padding: 12px 20px 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        gap: 2px;
    }
    .nav-links.open { display: flex; }
    .nav-links .nav-link {
        padding: 10px 14px;
        border-radius: 8px;
        width: 100%;
    }
    .nav-toggle { display: flex; }
    .search-input { width: 100%; }
    .search-form { display: none; }

    .post-detail-header,
    .post-detail-body,
    .post-nav {
        padding-left: 20px;
        padding-right: 20px;
    }
    .post-detail-title { font-size: 1.4rem; }

    .comments-section { padding: 24px 20px; }
    .form-row { grid-template-columns: 1fr; }

    .carousel { aspect-ratio: 4/3; }
    .carousel-title { font-size: 1.1rem; }
    .carousel-excerpt { display: none; }
    .carousel-content { padding: 20px; }
    .carousel-arrow { width: 36px; height: 36px; font-size: 1rem; }
    .carousel-dots { right: 20px; bottom: 12px; }

    .article-card { flex-direction: column; }
    .article-card-img { width: 100%; height: 200px; }
    .article-card-content { padding: 20px; }
    .filter-chips { gap: 6px; }
    .chip { padding: 5px 12px; font-size: .78rem; }
}

/* ====== Full-width Layout ====== */
.layout-full {
    grid-template-columns: 1fr;
}
.layout-full .sidebar { display: none; }

/* ====== Articles Page ====== */
.articles-hero {
    text-align: center;
    margin-bottom: 28px;
}
.articles-hero-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.articles-hero-desc {
    color: var(--text-secondary);
    font-size: .95rem;
}
.articles-hero-desc strong {
    color: var(--primary);
    font-weight: 600;
}

/* Filter Bar */
.filter-bar {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 28px;
    margin-bottom: 28px;
}

.filter-section {
    margin-bottom: 16px;
}

.filter-group {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 12px;
}
.filter-group:last-child { margin-bottom: 0; }

.filter-label {
    font-size: .82rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    min-width: 36px;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: .82rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all var(--transition);
    text-decoration: none;
}
.chip:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background: rgba(35,183,229,.04);
}
.chip.active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}
.chip-count {
    font-size: .72rem;
    background: rgba(0,0,0,.06);
    padding: 1px 6px;
    border-radius: 10px;
}
.chip.active .chip-count {
    background: rgba(255,255,255,.25);
}

.sort-section {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.sort-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.sort-tab {
    padding: 7px 20px;
    border-radius: 6px;
    font-size: .84rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
    text-decoration: none;
}
.sort-tab:hover {
    color: var(--text);
}
.sort-tab.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    font-weight: 600;
}

/* Article Card (horizontal) */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.article-card {
    display: flex;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.article-card-img {
    position: relative;
    width: 280px;
    min-height: 210px;
    flex-shrink: 0;
    overflow: hidden;
}
.article-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.article-card:hover .article-card-img img {
    transform: scale(1.06);
}
.article-card-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(35,183,229,.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s ease;
}
.article-card-img-overlay span {
    color: #fff;
    font-size: .9rem;
    font-weight: 600;
    padding: 8px 22px;
    border: 2px solid rgba(255,255,255,.8);
    border-radius: 24px;
    letter-spacing: 1px;
}
.article-card:hover .article-card-img-overlay {
    opacity: 1;
}

.article-card-content {
    flex: 1;
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.article-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.article-card-cat {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 4px;
    font-size: .76rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    letter-spacing: .3px;
    text-decoration: none;
    transition: opacity var(--transition);
}
.article-card-cat:hover { opacity: .85; color: #fff; }

.article-card-time {
    font-size: .78rem;
    color: var(--text-secondary);
}

.article-card-title {
    font-size: 1.18rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
}
.article-card-title a {
    color: var(--text);
    text-decoration: none;
    background-image: linear-gradient(var(--primary), var(--primary));
    background-size: 0 2px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: background-size .3s ease, color .2s ease;
}
.article-card-title a:hover {
    color: var(--primary);
    background-size: 100% 2px;
}

.article-card-excerpt {
    flex: 1;
    font-size: .9rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.article-tag {
    font-size: .78rem;
    color: var(--primary-light);
    font-weight: 500;
    transition: color var(--transition);
    text-decoration: none;
}
.article-tag:hover { color: var(--primary-dark); }

.article-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.article-card-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    color: var(--text-secondary);
}

.author-avatar-sm {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .75rem;
    text-transform: uppercase;
}

.article-card-stats {
    display: flex;
    gap: 16px;
    font-size: .82rem;
    color: var(--text-secondary);
}

@media (max-width: 900px) {
    .article-card { flex-direction: column; }
    .article-card-img { width: 100%; height: 200px; }
    .filter-group { flex-direction: column; gap: 8px; }
    .sort-section { flex-direction: column; align-items: flex-start; gap: 8px; }

    .media-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 16px; }
    .media-tabs { gap: 6px; padding: 16px; flex-wrap: wrap; }
    .media-tab { padding: 8px 14px; }
}

/* ====== Media / 书影 Page ====== */
.media-hero {
    text-align: center;
    margin-bottom: 28px;
}
.media-hero-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}
.media-hero-desc {
    color: var(--text-secondary);
    font-size: .95rem;
}
.media-hero-desc strong {
    color: var(--primary);
    font-weight: 600;
}

/* Tabs */
.media-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 32px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 28px;
    flex-wrap: wrap;
}

.media-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 28px;
    font-size: .88rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all .25s ease;
    text-decoration: none;
}
.media-tab:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background: rgba(35,183,229,.04);
    transform: translateY(-1px);
}
.media-tab.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(35,183,229,.3);
}
.tab-icon { font-size: 1.1rem; }
.tab-count {
    font-size: .72rem;
    background: rgba(0,0,0,.06);
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}
.media-tab.active .tab-count {
    background: rgba(255,255,255,.25);
}

/* Card Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 22px;
}

/* Card */
.media-card {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow);
    transition: transform .25s ease, box-shadow .25s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}
.media-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    color: inherit;
}

/* Cover */
.media-card-cover {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
    background: #e2e8f0;
}
.media-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.media-card:hover .media-card-cover img {
    transform: scale(1.06);
}

.media-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    opacity: .5;
}

/* Hover overlay */
.media-card-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,23,42,.92) 0%, rgba(15,23,42,.6) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 16px;
    opacity: 0;
    transition: opacity .3s ease;
}
.media-card:hover .media-card-hover {
    opacity: 1;
}
.media-card-summary {
    color: rgba(255,255,255,.85);
    font-size: .78rem;
    line-height: 1.6;
    margin-bottom: 10px;
}
.media-card-stars {
    display: flex;
    align-items: center;
    gap: 2px;
}
.star {
    font-size: 1rem;
    line-height: 1;
}
.star.full { color: #facc15; }
.star.half {
    color: #facc15;
    opacity: .55;
}
.star.empty { color: rgba(255,255,255,.2); }
.rating-num {
    font-size: .75rem;
    color: rgba(255,255,255,.6);
    margin-left: 4px;
}
.media-douban-hint {
    display: inline-block;
    margin-top: 8px;
    font-size: .75rem;
    color: rgba(255,255,255,.65);
    border: 1px solid rgba(255,255,255,.25);
    padding: 3px 10px;
    border-radius: 12px;
    transition: all .2s ease;
}
.media-card:hover .media-douban-hint {
    color: #fff;
    border-color: rgba(255,255,255,.6);
}

/* Badges */
.media-type-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
}
.media-status-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: .7rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: .3px;
}
.media-status-badge.doing {
    background: linear-gradient(135deg, #10b981, #34d399);
}
.media-status-badge.wish {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

/* Card Info */
.media-card-info {
    padding: 14px 14px 16px;
}
.media-card-title {
    font-size: .88rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.media-card-creator {
    font-size: .76rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.media-card-rating-inline {
    display: flex;
    align-items: center;
    gap: 1px;
    margin-bottom: 4px;
}
.star-sm {
    font-size: .78rem;
    line-height: 1;
}
.star-sm.full { color: #f59e0b; }
.star-sm.half { color: #f59e0b; opacity: .55; }
.star-sm.empty { color: #e2e8f0; }

.media-card-date {
    font-size: .72rem;
    color: var(--text-secondary);
}

@media (max-width: 640px) {
    .media-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 14px; }
    .media-card-info { padding: 10px 10px 12px; }
    .media-card-title { font-size: .82rem; }
}

/* ====== Page Hero (shared) ====== */
.page-hero {
    text-align: center;
    margin-bottom: 36px;
}
.page-hero-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -.02em;
}
.page-hero-subtitle {
    color: var(--text-secondary);
    font-size: .92rem;
}

/* ====== Links Page ====== */
.site-info-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 32px;
    margin-bottom: 28px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.site-info-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.site-info-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(35,183,229,.15);
}
.site-info-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.site-info-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}
.site-info-desc {
    font-size: .85rem;
    color: var(--text-secondary);
}
.site-info-fields {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.site-info-field {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .84rem;
}
.field-label {
    color: var(--text-secondary);
    min-width: 64px;
    font-weight: 500;
}
.site-info-field code {
    background: var(--bg);
    padding: 3px 10px;
    border-radius: 6px;
    font-size: .82rem;
    color: var(--text);
    border: 1px solid var(--border);
}

.links-requirements {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 32px;
    margin-bottom: 36px;
}
.links-requirements h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.req-intro {
    color: var(--text-secondary);
    font-size: .88rem;
    margin-bottom: 20px;
}
.req-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}
.req-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: .88rem;
    color: var(--text);
}
.req-icon { font-size: 1.1rem; }

.links-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
}
.links-count {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 1rem;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid transparent;
    transition: all .25s ease;
    text-decoration: none;
    color: inherit;
}
.link-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: inherit;
}

.link-card-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    display: flex;
    align-items: center;
    justify-content: center;
}
.link-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.link-card-initial {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: rgba(35,183,229,.08);
}

.link-card-body { min-width: 0; }
.link-card-name {
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}
.link-card-url {
    font-size: .78rem;
    color: var(--primary-light);
    margin-bottom: 4px;
}
.link-card-desc {
    font-size: .82rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ====== About Page ====== */
.about-hero {
    text-align: center;
    padding: 20px 0 36px;
}
.about-avatar-lg {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 16px;
    box-shadow: 0 8px 24px rgba(35,183,229,.25);
    border: 3px solid var(--surface);
}
.about-avatar-lg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.about-location {
    font-size: .88rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.about-motto {
    font-size: .95rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    margin-bottom: 36px;
}
.about-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 32px;
    line-height: 1.85;
    color: var(--text);
    font-size: .95rem;
}
.about-card p { margin-bottom: 12px; }
.about-card p:last-child { margin-bottom: 0; }

.about-section-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.about-section-subtitle {
    font-size: .85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 28px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: var(--border);
}
.timeline-item {
    position: relative;
    padding-bottom: 24px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -24px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    border: 2px solid var(--bg);
}
.timeline-dot.active {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(35,183,229,.15);
}
.timeline-content {
    background: var(--surface);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    box-shadow: var(--shadow);
}
.timeline-content h3 {
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.timeline-content p {
    font-size: .85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.timeline-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: .72rem;
    font-weight: 600;
}
.timeline-badge.using {
    background: rgba(16,185,129,.1);
    color: #059669;
}

/* Doing grid */
.doing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.doing-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
}
.doing-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.doing-icon { font-size: 1.3rem; }
.doing-status {
    font-size: .72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
}
.doing-status.ongoing {
    background: rgba(16,185,129,.1);
    color: #059669;
}
.doing-status.paused {
    background: rgba(245,158,11,.1);
    color: #d97706;
}
.doing-card h3 {
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.doing-card p {
    font-size: .85rem;
    color: var(--text-secondary);
}

/* Likes grid */
.likes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.likes-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
}
.likes-card h3 {
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.likes-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.likes-tags span {
    padding: 4px 14px;
    background: var(--bg);
    border-radius: 20px;
    font-size: .82rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

@media (max-width: 640px) {
    .site-info-card { flex-direction: column; padding: 20px; }
    .links-grid { grid-template-columns: 1fr; }
    .about-card { padding: 20px; }
    .doing-grid, .likes-grid { grid-template-columns: 1fr; }
}