:root {
    --primary: #be3144;
    --dark: #303841;
    --mid-dark: #3a4750;
    --light-gray: #d3d6db;
    --white: #ffffff;
    --bg: #f5f5f7;
    --card-bg: #ffffff;
    --text: #2c2c2c;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.10);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.25s ease;
    --sidebar-width: 340px;
    --max-width: 1320px;
    --nav-height: 60px;
    --sub-nav-height: 44px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + var(--sub-nav-height) + 16px);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-width: 320px;
}

/* 顶部导航 */
.top-nav {
    width: 100%;
    background-color: var(--dark);
    height: var(--nav-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}
.top-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.top-nav .site-name {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--white);
    white-space: nowrap;
}
.top-nav .site-name a {
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.top-nav .site-name .logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    object-fit: cover;
    background: var(--primary);
    flex-shrink: 0;
}
.top-nav .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 22px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.5px;
}
.btn-login:hover {
    background-color: #d9384c;
    box-shadow: 0 4px 16px rgba(190, 49, 68, 0.35);
    transform: translateY(-1px);
}
.btn-login .user-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* 栏目导航 */
.sub-nav {
    width: 100%;
    background-color: var(--mid-dark);
    height: var(--sub-nav-height);
    position: sticky;
    top: var(--nav-height);
    z-index: 999;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.sub-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 16px;
    white-space: nowrap;
}
.sub-nav a {
    display: inline-block;
    padding: 7px 16px;
    color: var(--light-gray);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition);
    letter-spacing: 0.3px;
    flex-shrink: 0;
}
.sub-nav a:hover,
.sub-nav a:focus {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
}
.sub-nav a.active-link {
    color: var(--white);
    background-color: var(--primary);
    font-weight: 600;
}
.sub-nav::-webkit-scrollbar {
    height: 3px;
}
.sub-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 3px;
}

/* 主布局 */
.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: 24px;
    padding: 24px 20px 40px;
    align-items: start;
}

.content-left {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.sidebar-right {
    position: sticky;
    top: calc(var(--nav-height) + var(--sub-nav-height) + 20px);
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
    max-height: calc(100vh - var(--nav-height) - var(--sub-nav-height) - 40px);
    overflow-y: auto;
    padding-right: 4px;
}
.sidebar-right::-webkit-scrollbar {
    width: 4px;
}
.sidebar-right::-webkit-scrollbar-thumb {
    background: #c4c7cc;
    border-radius: 4px;
}

/* 通用区块 */
.section-block {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.4px;
}
.section-title .title-bar {
    width: 4px;
    height: 22px;
    background-color: var(--primary);
    border-radius: 2px;
    flex-shrink: 0;
}
.section-subtitle {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 18px;
    padding-left: 14px;
}

/* 漫画网格 6列 */
.comic-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.comic-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}
.comic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--light-gray);
}
.comic-card .comic-cover-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #e9ebee;
}
.comic-card .comic-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}
.comic-card:hover .comic-cover {
    transform: scale(1.04);
}
.comic-card .comic-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    z-index: 2;
}
.comic-card .comic-info {
    padding: 10px 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.comic-card .comic-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--dark);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comic-card .comic-meta {
    font-size: 0.72rem;
    color: var(--text-light);
    line-height: 1.4;
}
.comic-card .comic-meta span {
    display: block;
}
.comic-card .comic-type-tag {
    display: inline-block;
    font-size: 0.68rem;
    background: #f0f1f3;
    color: var(--mid-dark);
    padding: 2px 7px;
    border-radius: 3px;
    margin-top: 2px;
    align-self: flex-start;
}

/* 漫画详细介绍 */
.comic-detail-card {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.comic-detail-card .detail-cover {
    width: 180px;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    background: #e9ebee;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.comic-detail-card .detail-body {
    flex: 1;
    min-width: 240px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.comic-detail-card .detail-body h3 {
    font-size: 1.2rem;
    color: var(--dark);
    font-weight: 700;
}
.comic-detail-card .detail-body .detail-row {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.5;
}
.comic-detail-card .detail-body .detail-row strong {
    color: var(--dark);
    font-weight: 600;
}
.comic-detail-card .detail-body .detail-desc {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.7;
    margin-top: 4px;
}

/* 角色介绍 */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}
.character-card {
    text-align: center;
    background: #fafbfc;
    border-radius: var(--radius-sm);
    padding: 16px 10px;
    transition: var(--transition);
    border: 1px solid transparent;
}
.character-card:hover {
    border-color: var(--light-gray);
    box-shadow: var(--shadow-hover);
}
.character-card .char-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 8px;
    display: block;
    background: #e9ebee;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.character-card .char-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--dark);
}
.character-card .char-role {
    font-size: 0.72rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 2px;
}

/* 常见问题 */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    transition: var(--transition);
    background: #fafbfc;
    cursor: default;
}
.faq-item:hover {
    border-color: #c4c7cc;
    background: #fff;
}
.faq-item .faq-q {
    font-weight: 700;
    color: var(--dark);
    font-size: 0.92rem;
    margin-bottom: 4px;
}
.faq-item .faq-a {
    font-size: 0.83rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 平台优势 */
.advantages-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.advantage-card {
    text-align: center;
    padding: 20px 16px;
    background: #fafbfc;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: var(--transition);
}
.advantage-card:hover {
    border-color: var(--light-gray);
    box-shadow: var(--shadow-hover);
}
.advantage-card .adv-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin: 0 auto 10px;
    display: block;
}
.advantage-card .adv-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--dark);
    margin-bottom: 4px;
}
.advantage-card .adv-desc {
    font-size: 0.78rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-cloud .tag {
    display: inline-block;
    padding: 7px 15px;
    background: #f0f1f3;
    color: var(--mid-dark);
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    letter-spacing: 0.3px;
}
.tag-cloud .tag:hover {
    background: var(--primary);
    color: #fff;
}

/* 平台介绍 */
.platform-intro-text {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.8;
}
.platform-intro-text strong {
    color: var(--dark);
}

/* APP下载 */
.app-download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.app-download-card {
    text-align: center;
    padding: 18px 12px;
    background: #fafbfc;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.app-download-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}
.app-download-card .app-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
    flex-shrink: 0;
}
.app-download-card .app-label {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--dark);
}
.app-download-card .app-ver {
    font-size: 0.7rem;
    color: var(--text-light);
}

/* 侧边栏 */
.sidebar-right .side-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.sidebar-right .side-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.3px;
}
.sidebar-right .side-card h4 .side-title-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}
.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: 6px;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.84rem;
    border-bottom: 1px solid #f3f3f5;
}
.rank-list li:last-child {
    border-bottom: none;
}
.rank-list li:hover {
    background: #f9fafb;
}
.rank-list .rank-num {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
    flex-shrink: 0;
    color: #fff;
    background: #9ca3af;
}
.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-list .rank-cover {
    width: 38px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
    background: #e9ebee;
}
.rank-list .rank-info {
    flex: 1;
    min-width: 0;
}
.rank-list .rank-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-list .rank-stat {
    font-size: 0.7rem;
    color: var(--text-light);
}
.rise-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.rise-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 0.82rem;
    border-bottom: 1px solid #f3f3f5;
    transition: var(--transition);
    cursor: pointer;
}
.rise-list li:last-child {
    border-bottom: none;
}
.rise-list li:hover {
    background: #f9fafb;
}
.rise-list .rise-arrow {
    color: #22c55e;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    width: 22px;
    text-align: center;
}
.rise-list .rise-name {
    flex: 1;
    font-weight: 500;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rise-list .rise-pct {
    color: #22c55e;
    font-weight: 700;
    font-size: 0.78rem;
    flex-shrink: 0;
}
.total-read-card {
    text-align: center;
    padding: 14px;
}
.total-read-card .total-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}
.total-read-card .total-unit {
    font-size: 0.85rem;
    color: var(--text-light);
}
.total-read-card .update-time {
    font-size: 0.72rem;
    color: #999;
    margin-top: 4px;
}
.stats-mini {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    text-align: center;
}
.stats-mini .stat-item {
    background: #fafbfc;
    border-radius: 8px;
    padding: 12px 6px;
}
.stats-mini .stat-val {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
}
.stats-mini .stat-lbl {
    font-size: 0.68rem;
    color: var(--text-light);
    margin-top: 2px;
}
.comment-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.comment-item {
    padding: 10px 12px;
    background: #fafbfc;
    border-radius: 8px;
    font-size: 0.8rem;
    line-height: 1.6;
    color: #555;
    border-left: 3px solid var(--light-gray);
    transition: var(--transition);
}
.comment-item:hover {
    border-left-color: var(--primary);
    background: #fff;
}
.comment-item .comment-user {
    font-weight: 700;
    color: var(--dark);
    font-size: 0.78rem;
    margin-bottom: 3px;
}
.comment-item .comment-text {
    color: #555;
}

/* 底部导航 */
.footer-nav {
    width: 100%;
    background-color: var(--dark);
    color: var(--light-gray);
    padding: 32px 20px 20px;
    margin-top: 20px;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-col h5 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 0.4px;
}
.footer-col a {
    display: block;
    color: var(--light-gray);
    text-decoration: none;
    font-size: 0.82rem;
    padding: 3px 0;
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--white);
    text-decoration: underline;
}
.footer-bottom {
    max-width: var(--max-width);
    margin: 20px auto 0;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    font-size: 0.75rem;
    color: #999;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    align-items: center;
}
.footer-bottom a {
    color: var(--light-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.footer-bottom a:hover {
    color: var(--white);
}

/* 响应式 */
@media (max-width: 1200px) {
    .main-container { grid-template-columns: 1fr 300px; gap: 18px; }
    :root { --sidebar-width: 300px; }
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .app-download-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }
}
@media (max-width: 1024px) {
    .main-container { grid-template-columns: 1fr 270px; gap: 14px; padding: 16px 12px 28px; }
    :root { --sidebar-width: 270px; }
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .comic-detail-card .detail-cover { width: 140px; height: 200px; }
    .character-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}
@media (max-width: 768px) {
    .main-container { grid-template-columns: 1fr; gap: 16px; padding: 12px 10px 24px; }
    .sidebar-right { position: static; max-height: none; overflow-y: visible; gap: 14px; }
    .comic-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .comic-detail-card { flex-direction: column; align-items: center; }
    .comic-detail-card .detail-cover { width: 160px; height: 220px; }
    .comic-detail-card .detail-body { text-align: center; }
    .character-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 8px; }
    .character-card .char-avatar { width: 54px; height: 54px; }
    .advantages-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .top-nav .site-name { font-size: 1.2rem; }
    .btn-login { padding: 7px 14px; font-size: 0.8rem; }
    .sub-nav a { padding: 6px 11px; font-size: 0.78rem; }
    .section-block { padding: 16px 12px; }
    .sidebar-right .side-card { padding: 14px; }
    .footer-inner { flex-direction: column; gap: 16px; }
    .stats-mini { grid-template-columns: repeat(3, 1fr); gap: 6px; }
}
@media (max-width: 480px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .app-download-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
    .comic-card .comic-info { padding: 6px 8px 10px; }
    .comic-card .comic-name { font-size: 0.8rem; }
    .comic-card .comic-meta { font-size: 0.66rem; }
    .character-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .advantages-row { grid-template-columns: 1fr; }
    .section-title { font-size: 1.1rem; }
    .top-nav .site-name { font-size: 1rem; letter-spacing: 0.5px; }
    .btn-login { padding: 6px 10px; font-size: 0.72rem; border-radius: 16px; }
    .sub-nav a { padding: 5px 8px; font-size: 0.7rem; }
    .rank-list .rank-cover { width: 30px; height: 40px; }
}