:root {
    --color-dark: #34495e;
    --color-teal: #5da0a2;
    --color-light-teal: #aacfd0;
    --color-bg: #f4f7f7;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-border: #e0e8ea;
    --color-accent: #3d7a7c;
    --color-star: #e8a840;
    --color-red: #c0392b;
    --color-green: #27ae60;
    --shadow-sm: 0 1px 3px rgba(52, 73, 94, 0.08);
    --shadow-md: 0 4px 16px rgba(52, 73, 94, 0.12);
    --shadow-lg: 0 8px 32px rgba(52, 73, 94, 0.16);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1320px;
    --sidebar-width: 340px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
    font-size: 16px;
}

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;
}

/* ==================== 顶部导航栏 ==================== */
.top-nav {
    width: 100%;
    background-color: var(--color-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    height: 60px;
    display: flex;
    align-items: center;
}
.top-nav-inner {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-left {
    display: flex;
    align-items: center;
    gap: 28px;
    flex-shrink: 0;
}
.site-name {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.site-name a {
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition);
}
.site-name a:hover {
    color: var(--color-light-teal);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    flex-wrap: wrap;
}
.nav-links li a {
    display: inline-block;
    padding: 7px 14px;
    color: #c8d6db;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-links li a:hover,
.nav-links li a:focus {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
    outline: none;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    border-radius: 22px;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}
.btn-login:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #ffffff;
}
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    background: var(--color-teal);
    color: #ffffff;
    border: none;
    border-radius: 22px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: 0.3px;
}
.btn-cta:hover {
    background: #4a8b8d;
    box-shadow: 0 4px 14px rgba(93, 160, 162, 0.45);
    transform: translateY(-1px);
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #ffffff;
}
.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: #ffffff;
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}

/* ==================== 主布局 ==================== */
.main-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 24px 20px 40px;
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: 28px;
    align-items: start;
}
.main-content {
    min-width: 0;
}
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 84px;
}

/* ==================== 区域标题 ==================== */
.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: 0.3px;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    background: var(--color-teal);
    border-radius: 2px;
}
.section-more {
    color: var(--color-teal);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}
.section-more:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ==================== 热门漫画网格 ==================== */
.comic-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.comic-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
}
.comic-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.comic-card-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #e8ecef;
}
.comic-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.comic-card:hover .comic-card-img-wrap img {
    transform: scale(1.06);
}
.comic-card-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--color-red);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 10px;
    letter-spacing: 0.5px;
    z-index: 2;
}
.comic-card-rank {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(52, 73, 94, 0.85);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.comic-card-body {
    padding: 11px 13px 13px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.comic-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comic-card-meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    line-height: 1.4;
}
.comic-card-meta span {
    white-space: nowrap;
}
.comic-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 2px;
}
.comic-tag {
    display: inline-block;
    font-size: 0.68rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: #eaf4f4;
    color: var(--color-teal);
    font-weight: 500;
    white-space: nowrap;
}

/* ==================== 精品推荐 ==================== */
.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-md);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-light-teal);
}
.featured-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--color-teal);
}
.featured-card-img-wrap {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #e8ecef;
}
.featured-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.featured-card:hover .featured-card-img-wrap img {
    transform: scale(1.05);
}
.featured-card-body {
    padding: 14px 16px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.featured-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
}
.featured-card-desc {
    font-size: 0.8rem;
    color: var(--color-text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== 漫画详细介绍 ==================== */
.comic-detail-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.comic-detail-cover {
    flex-shrink: 0;
    width: 180px;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: #e8ecef;
}
.comic-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.comic-detail-info {
    flex: 1;
    min-width: 240px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.comic-detail-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
}
.comic-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 0.88rem;
    color: var(--color-text-light);
}
.comic-detail-meta strong {
    color: var(--color-dark);
}
.comic-detail-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ==================== 角色详细介绍 ==================== */
.characters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.character-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
}
.character-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.character-card-img-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #e8ecef;
}
.character-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.character-card:hover .character-card-img-wrap img {
    transform: scale(1.06);
}
.character-card-body {
    padding: 12px 14px 14px;
}
.character-card-body h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 3px;
}
.character-card-body .role-tag {
    font-size: 0.72rem;
    color: var(--color-teal);
    font-weight: 500;
}
.character-card-body p {
    font-size: 0.78rem;
    color: var(--color-text-light);
    margin-top: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== 评论区 ==================== */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.comment-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.comment-item:hover {
    box-shadow: var(--shadow-md);
}
.comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.comment-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    background: #e8ecef;
    flex-shrink: 0;
}
.comment-user {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-dark);
}
.comment-time {
    font-size: 0.75rem;
    color: #999;
    margin-left: auto;
}
.comment-body {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* ==================== 平台介绍 ==================== */
.platform-intro {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    box-shadow: var(--shadow-md);
    line-height: 1.75;
}
.platform-intro h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
}
.platform-intro p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

/* ==================== APP下载 ==================== */
.app-download-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    box-shadow: var(--shadow-md);
}
.app-download-section h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 14px;
}
.app-download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.app-download-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background: #f9fbfb;
    border: 1.5px solid var(--color-border);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}
.app-download-card:hover {
    border-color: var(--color-teal);
    background: #eef7f7;
    box-shadow: var(--shadow-sm);
}
.app-download-card .app-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    padding: 6px;
}
.app-download-card .app-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.app-download-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.app-download-info .app-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-dark);
}
.app-download-info .app-ver {
    font-size: 0.7rem;
    color: #999;
}

/* ==================== 侧边栏 ==================== */
.sidebar-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 18px 18px;
    box-shadow: var(--shadow-sm);
}
.sidebar-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-light-teal);
    letter-spacing: 0.3px;
}
.rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rank-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 8px;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
}
.rank-list li:hover {
    background: #f5f9f9;
}
.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: #b0c4c5;
}
.rank-list li:nth-child(1) .rank-num {
    background: #e8a840;
}
.rank-list li:nth-child(2) .rank-num {
    background: #a0b8b9;
}
.rank-list li:nth-child(3) .rank-num {
    background: #c49b6c;
}
.rank-info {
    flex: 1;
    min-width: 0;
}
.rank-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.rank-sub {
    font-size: 0.7rem;
    color: #999;
}
.rank-change {
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}
.rank-up {
    color: #e74c3c;
}
.rank-down {
    color: #27ae60;
}
.rank-stable {
    color: #999;
}
.total-read-info {
    text-align: center;
    padding: 8px 0;
}
.total-read-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-teal);
    letter-spacing: 1px;
}
.total-read-label {
    font-size: 0.8rem;
    color: #999;
    margin-top: 2px;
}
.total-read-time {
    font-size: 0.7rem;
    color: #b0b0b0;
    margin-top: 4px;
}
.stats-row {
    display: flex;
    gap: 10px;
    text-align: center;
}
.stat-item {
    flex: 1;
    background: #f9fbfb;
    border-radius: 8px;
    padding: 12px 6px;
}
.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
}
.stat-label {
    font-size: 0.7rem;
    color: #999;
    margin-top: 2px;
}

/* ==================== 底部导航 ==================== */
.footer {
    width: 100%;
    background: var(--color-dark);
    color: #c8d6db;
    padding: 32px 20px 20px;
    margin-top: 20px;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.footer-col h5 {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}
.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.footer-col ul li a {
    color: #b0bec5;
    text-decoration: none;
    font-size: 0.82rem;
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: #ffffff;
    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, 0.15);
    text-align: center;
    font-size: 0.78rem;
    color: #8a9ba5;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}
.footer-bottom a {
    color: #aacfd0;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.footer-bottom a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .comic-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);
    }
    .main-wrapper {
        grid-template-columns: 1fr 300px;
        gap: 20px;
    }
    :root {
        --sidebar-width: 300px;
    }
}

@media (max-width: 992px) {
    .main-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .comic-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
    .nav-links {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: var(--color-dark);
        padding: 12px 20px;
        gap: 4px;
        z-index: 999;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }
    .nav-links.mobile-open li a {
        display: block;
        padding: 10px 16px;
        font-size: 0.95rem;
    }
    .comic-detail-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .comic-detail-cover {
        width: 140px;
    }
}

@media (max-width: 640px) {
    .comic-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: 10px;
    }
    .sidebar {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .nav-right {
        gap: 8px;
    }
    .btn-login {
        padding: 6px 12px;
        font-size: 0.78rem;
    }
    .btn-cta {
        padding: 7px 14px;
        font-size: 0.8rem;
    }
    .site-name {
        font-size: 1.2rem;
    }
    .section-title {
        font-size: 1.1rem;
    }
    .comic-detail-card {
        padding: 16px;
    }
    .comic-detail-cover {
        width: 120px;
    }
    .stats-row {
        flex-direction: column;
        gap: 8px;
    }
    .top-nav-inner {
        padding: 0 12px;
    }
    .main-wrapper {
        padding: 16px 10px 28px;
    }
}

@media (max-width: 380px) {
    .comic-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .app-download-grid {
        grid-template-columns: 1fr;
    }
    .nav-right {
        gap: 5px;
    }
    .btn-cta {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    .btn-login {
        padding: 5px 10px;
        font-size: 0.72rem;
    }
}