:root {
    --primary: #71c9ce;
    --secondary: #a6e3e9;
    --light-bg: #cbf1f5;
    --surface: #e3fdfd;
    --white: #ffffff;
    --dark: #2c3e50;
    --text: #4a5568;
    --text-light: #718096;
    --border: #dce8ea;
    --shadow: 0 2px 12px rgba(113, 201, 206, 0.12);
    --shadow-lg: 0 8px 32px rgba(113, 201, 206, 0.18);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background-color: #f7fcfc;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* ========== 顶部导航 ========== */
.top-nav {
    width: 100%;
    background: var(--white);
    border-bottom: 2px solid var(--secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}
.top-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
    gap: 20px;
}
.nav-brand h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    white-space: nowrap;
    margin: 0;
    cursor: pointer;
    transition: var(--transition);
}
.nav-brand h1:hover {
    color: #5ab8bd;
    transform: translateY(-1px);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    flex: 1;
    justify-content: center;
}
.nav-links li a {
    text-decoration: none;
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 4px;
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.nav-links li a:hover {
    color: var(--primary);
}
.nav-links li a:hover::after {
    width: 100%;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}
.btn-login {
    padding: 8px 20px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-login:hover {
    background: var(--surface);
    border-color: #5ab8bd;
    color: #5ab8bd;
}
.btn-read-now {
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(113, 201, 206, 0.35);
}
.btn-read-now:hover {
    background: #5ab8bd;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(113, 201, 206, 0.45);
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--primary);
    padding: 6px;
}

/* ========== 主体布局 ========== */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 28px;
    padding: 28px 24px;
    flex: 1;
}
.content-left {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.sidebar-right {
    width: 340px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ========== 区块标题 ========== */
.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 18px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
    letter-spacing: 0.5px;
    position: relative;
}
.section-title::after {
    content: '';
    position: absolute;
    left: 16px;
    bottom: -6px;
    width: 40px;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
}

/* ========== 热门漫画网格 6条一行 ========== */
.hot-comics-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 18px;
}
.comic-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
}
.comic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary);
}
.comic-card-img-wrap {
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--light-bg);
    position: relative;
}
.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-type-tag {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    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(--dark);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.comic-card-info .info-row {
    font-size: 0.72rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.comic-card-info .info-row .label {
    color: #a0aec0;
    flex-shrink: 0;
    font-weight: 500;
}
.comic-card-info .info-row .value {
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== 漫画详细介绍 ========== */
.detail-section {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.detail-layout {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.detail-cover {
    width: 200px;
    height: 280px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--light-bg);
}
.detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.detail-content {
    flex: 1;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.detail-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-light);
}
.detail-meta span {
    background: var(--surface);
    padding: 5px 12px;
    border-radius: 16px;
    font-weight: 500;
    color: var(--dark);
}
.detail-desc {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.8;
    text-indent: 2em;
}
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.detail-tag {
    background: var(--light-bg);
    color: #3d7a7e;
    padding: 5px 14px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--secondary);
}

/* ========== 角色详细介绍 ========== */
.characters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.character-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}
.character-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary);
}
.character-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 12px;
    background: var(--light-bg);
    border: 3px solid var(--secondary);
}
.character-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.character-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.character-card .role-tag {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
}
.character-card .char-desc {
    font-size: 0.78rem;
    color: var(--text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 评论区域 ========== */
.comments-section {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.comment-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.comment-item {
    padding: 16px 18px;
    background: #fafffe;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--secondary);
    transition: var(--transition);
}
.comment-item:hover {
    border-left-color: var(--primary);
    background: #f9fefe;
    box-shadow: var(--shadow);
}
.comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.comment-user {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
}
.comment-time {
    font-size: 0.75rem;
    color: #a0aec0;
    margin-left: auto;
    white-space: nowrap;
}
.comment-body {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.7;
    text-align: justify;
}

/* ========== 右侧边栏卡片 ========== */
.sidebar-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.sidebar-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light-bg);
    letter-spacing: 0.5px;
}
.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;
}
.rank-list li:hover {
    background: var(--surface);
}
.rank-num {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
    color: #fff;
}
.rank-num.top1 { background: #f6a623; }
.rank-num.top2 { background: #a0aec0; }
.rank-num.top3 { background: #c99a6b; }
.rank-num.normal { background: #cbd5e0; color: #4a5568; }
.rank-cover {
    width: 44px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--light-bg);
}
.rank-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.rank-info {
    flex: 1;
    min-width: 0;
}
.rank-info .rank-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.rank-info .rank-sub {
    font-size: 0.7rem;
    color: var(--text-light);
}
.rank-change {
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}
.rank-change.up { color: #e53e3e; }
.rank-change.down { color: #38a169; }

/* 总阅读模块 */
.total-read-card {
    background: linear-gradient(135deg, var(--primary), #5ab8bd);
    color: #fff;
    border-radius: var(--radius);
    padding: 22px 20px;
    text-align: center;
    box-shadow: 0 6px 24px rgba(113, 201, 206, 0.3);
}
.total-read-card .total-label {
    font-size: 0.85rem;
    opacity: 0.9;
    letter-spacing: 1px;
}
.total-read-card .total-number {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 1px;
    margin: 6px 0;
}
.total-read-card .total-unit {
    font-size: 0.8rem;
    opacity: 0.85;
}

/* 数据统计 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.stat-item {
    text-align: center;
    padding: 14px 8px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.stat-item:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
}
.stat-item .stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}
.stat-item .stat-label {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 2px;
}

/* ========== 底部导航 ========== */
.footer-nav {
    width: 100%;
    background: var(--dark);
    color: #cbd5e0;
    padding: 32px 24px 20px;
    margin-top: auto;
}
.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
}
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.footer-col ul li a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: var(--secondary);
}
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid #3d5068;
    font-size: 0.78rem;
    color: #718096;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .hot-comics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .characters-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .sidebar-right {
        width: 300px;
    }
    .nav-links {
        gap: 16px;
    }
    .nav-links li a {
        font-size: 0.85rem;
    }
}
@media (max-width: 992px) {
    .main-container {
        flex-direction: column;
        padding: 16px;
        gap: 20px;
    }
    .sidebar-right {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .sidebar-right .total-read-card,
    .sidebar-right .sidebar-card {
        grid-column: span 2;
    }
    .hot-comics-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .detail-layout {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .detail-cover {
        width: 160px;
        height: 224px;
    }
    .detail-meta {
        justify-content: center;
    }
    .detail-tags {
        justify-content: center;
    }
    .nav-links {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .top-nav-inner {
        padding: 0 16px;
        height: 56px;
    }
}
@media (max-width: 640px) {
    .hot-comics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .sidebar-right {
        grid-template-columns: 1fr;
    }
    .sidebar-right .total-read-card,
    .sidebar-right .sidebar-card {
        grid-column: span 1;
    }
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    .stat-item {
        padding: 10px 4px;
    }
    .stat-item .stat-value {
        font-size: 1.1rem;
    }
    .nav-brand h1 {
        font-size: 1.2rem;
    }
    .btn-read-now {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    .btn-login {
        padding: 6px 14px;
        font-size: 0.78rem;
    }
    .detail-section {
        padding: 16px;
    }
    .comments-section {
        padding: 16px;
    }
    .comment-body {
        font-size: 0.82rem;
    }
    .section-title {
        font-size: 1.15rem;
    }
    .detail-content h2 {
        font-size: 1.25rem;
    }
    .character-avatar {
        width: 70px;
        height: 70px;
    }
}
@media (max-width: 400px) {
    .hot-comics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .comic-card-info {
        padding: 8px 10px;
        gap: 3px;
    }
    .comic-card-info h3 {
        font-size: 0.82rem;
    }
    .comic-card-info .info-row {
        font-size: 0.68rem;
    }
    .nav-actions {
        gap: 6px;
    }
    .btn-login {
        padding: 5px 10px;
        font-size: 0.7rem;
    }
    .btn-read-now {
        padding: 6px 12px;
        font-size: 0.72rem;
    }
}