:root {
    --color-primary: #756c83;
    --color-accent: #f38181;
    --color-soft: #b9e1dc;
    --color-bg: #fbfbfb;
    --color-white: #ffffff;
    --color-dark: #3a3340;
    --color-text: #4a4450;
    --color-text-light: #6b6375;
    --color-border: #e8e4ec;
    --color-shadow: rgba(117, 108, 131, 0.10);
    --color-accent-light: #fde8e8;
    --color-soft-light: #e8f6f4;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 2px 16px var(--color-shadow);
    --shadow-hover: 0 6px 28px rgba(117, 108, 131, 0.18);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1360px;
    --nav-height: 64px;
    --sidebar-width: 340px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

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

.top-nav {
    width: 100%;
    height: var(--nav-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 8px rgba(117, 108, 131, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.top-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    gap: 20px;
}
.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    white-space: nowrap;
    margin: 0;
    cursor: pointer;
    transition: var(--transition);
}
.nav-brand h1:hover {
    color: var(--color-accent);
}
.nav-brand h1 span {
    color: var(--color-accent);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}
.nav-links a {
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--color-accent);
    background: var(--color-accent-light);
    outline: none;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.02em;
    box-shadow: 0 3px 12px rgba(243, 129, 129, 0.3);
}
.btn-login:hover {
    background: #e87070;
    box-shadow: 0 6px 20px rgba(243, 129, 129, 0.4);
    transform: translateY(-1px);
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-primary);
    font-size: 1.5rem;
    line-height: 1;
}

.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    gap: 28px;
    padding: 24px;
    min-height: 100vh;
}
.content-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 36px;
}
.sidebar-right {
    width: var(--sidebar-width);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
    position: sticky;
    top: calc(var(--nav-height) + 24px);
    align-self: flex-start;
    max-height: calc(100vh - var(--nav-height) - 48px);
    overflow-y: auto;
    padding-right: 4px;
}
.sidebar-right::-webkit-scrollbar {
    width: 4px;
}
.sidebar-right::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 10px;
}
.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-dark);
    position: relative;
    padding-left: 16px;
    letter-spacing: -0.01em;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}
.section-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 400;
}
.section-more {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}
.section-more:hover {
    color: #e05d5d;
    text-decoration: underline;
}

.hot-comics-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.comic-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
}
.comic-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-soft);
}
.comic-card-img {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--color-soft-light);
    position: relative;
}
.comic-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.comic-card:hover .comic-card-img img {
    transform: scale(1.06);
}
.comic-card-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    letter-spacing: 0.04em;
    z-index: 2;
}
.comic-card-info {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}
.comic-card-info h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: 0.01em;
}
.comic-card-meta {
    font-size: 0.72rem;
    color: var(--color-text-light);
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.4;
}
.comic-card-meta span {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.comic-card-type {
    display: inline-block;
    font-size: 0.68rem;
    background: var(--color-soft-light);
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    align-self: flex-start;
    margin-top: 2px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.featured-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
}
.featured-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-soft);
}
.featured-card-img {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-soft-light);
}
.featured-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.featured-card:hover .featured-card-img img {
    transform: scale(1.05);
}
.featured-card-info {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.featured-card-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
}
.featured-card-info p {
    font-size: 0.78rem;
    color: var(--color-text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comic-detail-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    border: 1px solid var(--color-border);
}
.comic-detail-cover {
    width: 200px;
    flex-shrink: 0;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 3/4;
    background: var(--color-soft-light);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}
.comic-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.comic-detail-content {
    flex: 1;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.comic-detail-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: -0.01em;
}
.comic-detail-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--color-text-light);
}
.comic-detail-meta-row span {
    background: var(--color-soft-light);
    padding: 4px 12px;
    border-radius: 14px;
    font-weight: 500;
    white-space: nowrap;
}
.comic-detail-desc {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.7;
}
.comic-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.comic-detail-tags span {
    background: var(--color-accent-light);
    color: var(--color-accent);
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 0.78rem;
    font-weight: 600;
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.character-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
}
.character-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-soft);
}
.character-card-img {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: var(--color-soft-light);
}
.character-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.character-card:hover .character-card-img img {
    transform: scale(1.08);
}
.character-card-info {
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.character-card-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
}
.character-card-info p {
    font-size: 0.75rem;
    color: var(--color-text-light);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.comment-item {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid transparent;
}
.comment-item:hover {
    border-color: var(--color-soft);
    box-shadow: var(--shadow-hover);
}
.comment-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.comment-body .comment-user {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-dark);
}
.comment-body .comment-time {
    font-size: 0.72rem;
    color: #999;
}
.comment-body .comment-text {
    font-size: 0.85rem;
    color: var(--color-text);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comment-stars {
    color: #f5a623;
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.platform-intro {
    background: linear-gradient(135deg, #fdfcfd 0%, #f8f6fa 100%);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}
.platform-intro h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}
.platform-intro p {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 8px;
}
.platform-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.platform-features span {
    background: var(--color-soft);
    color: var(--color-primary);
    padding: 6px 14px;
    border-radius: 18px;
    font-size: 0.8rem;
    font-weight: 600;
}

.app-download-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}
.app-download-section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 6px;
}
.app-download-section .app-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 18px;
}
.app-download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.app-download-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: var(--color-bg);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}
.app-download-btn:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(243, 129, 129, 0.15);
}
.app-download-btn .app-icon {
    flex-shrink: 0;
}
.app-download-btn.android:hover {
    border-color: #3ddc84;
    background: #e8faf1;
}
.app-download-btn.ios:hover {
    border-color: #000;
    background: #f5f5f5;
}
.app-download-btn.pc:hover {
    border-color: #52616b;
    background: #eef1f3;
}

.sidebar-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 18px 16px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}
.sidebar-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-soft);
    letter-spacing: 0.01em;
}
.rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rank-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.85rem;
}
.rank-list li:hover {
    background: var(--color-bg);
}
.rank-num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
    color: #fff;
    background: var(--color-primary);
}
.rank-list li:nth-child(1) .rank-num { background: #e74c3c; }
.rank-list li:nth-child(2) .rank-num { background: #f39c12; }
.rank-list li:nth-child(3) .rank-num { background: #e67e22; }
.rank-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.rank-info .rank-title {
    font-weight: 600;
    color: var(--color-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.84rem;
}
.rank-info .rank-meta {
    font-size: 0.7rem;
    color: var(--color-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-change {
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    padding: 2px 8px;
    border-radius: 10px;
}
.rank-change.up { color: #e74c3c; background: #fde8e8; }
.rank-change.down { color: #27ae60; background: #e8f8f0; }
.rank-change.stable { color: #7f8c8d; background: #f0f0f0; }

.total-read-card {
    text-align: center;
    background: linear-gradient(135deg, #fef9f9 0%, #fdf5f5 100%);
    border: 2px solid var(--color-accent-light);
}
.total-read-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: 0.02em;
    line-height: 1;
}
.total-read-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 4px;
}
.total-read-update {
    font-size: 0.7rem;
    color: #999;
    margin-top: 6px;
}

.stats-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.stat-item {
    flex: 1;
    min-width: 70px;
    text-align: center;
    padding: 14px 8px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.stat-item:hover {
    background: var(--color-soft-light);
}
.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}
.stat-label {
    font-size: 0.7rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

.footer-nav {
    width: 100%;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: 32px 24px 20px;
    margin-top: 40px;
    box-shadow: 0 -2px 12px rgba(117, 108, 131, 0.04);
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 140px;
}
.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}
.footer-col a {
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}
.footer-bottom {
    max-width: var(--max-width);
    margin: 20px auto 0;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.75rem;
    color: #aaa;
}
.footer-bottom a {
    color: var(--color-text-light);
    text-decoration: none;
    margin: 0 8px;
}
.footer-bottom a:hover {
    color: var(--color-accent);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .hot-comics-grid { grid-template-columns: repeat(4, 1fr); }
    .featured-grid { grid-template-columns: repeat(3, 1fr); }
    .characters-grid { grid-template-columns: repeat(3, 1fr); }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); }
    .sidebar-right { width: 300px; }
    :root { --sidebar-width: 300px; }
}
@media (max-width: 992px) {
    .main-container { flex-direction: column; padding: 16px; gap: 20px; }
    .sidebar-right { width: 100%; position: static; max-height: none; overflow-y: visible; flex-direction: row; flex-wrap: wrap; gap: 14px; }
    .sidebar-right .sidebar-card { flex: 1 1 240px; min-width: 220px; }
    .hot-comics-grid { grid-template-columns: repeat(3, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .characters-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { display: none; }
    .mobile-menu-toggle { display: block; }
    .comic-detail-card { flex-direction: column; align-items: center; text-align: center; }
    .comic-detail-cover { width: 160px; }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .hot-comics-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .featured-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .characters-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .app-download-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .sidebar-right { flex-direction: column; gap: 14px; }
    .sidebar-right .sidebar-card { flex: 1 1 auto; min-width: auto; }
    .nav-brand h1 { font-size: 1.2rem; }
    .btn-login { padding: 7px 14px; font-size: 0.8rem; }
    .comic-detail-cover { width: 140px; }
    .section-title { font-size: 1.15rem; }
    .top-nav-inner { padding: 0 12px; }
    .main-container { padding: 10px; gap: 16px; }
    .footer-inner { gap: 18px; }
    .stats-row { gap: 6px; }
    .stat-item { padding: 10px 6px; }
    .stat-value { font-size: 1.1rem; }
    .total-read-number { font-size: 1.6rem; }
}
@media (max-width: 400px) {
    .hot-comics-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .app-download-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
    .app-download-btn { padding: 10px 12px; font-size: 0.75rem; gap: 6px; }
    .app-download-btn .app-icon { width: 18px; height: 18px; }
    .comic-card-info { padding: 8px 10px; }
    .comic-card-info h3 { font-size: 0.8rem; }
    .comment-item { padding: 12px 14px; }
}