:root {
    --yellow: #f1c40f;
    --dark: #34495e;
    --light: #ecf0f1;
    --blue: #3498db;
    --white: #ffffff;
    --text: #2c3e50;
    --text-light: #5a6c7d;
    --border: #e0e5ea;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
    --radius: 10px;
    --radius-sm: 6px;
    --transition: 0.25s ease;
    --max-width: 1320px;
    --nav-height: 62px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background-color: #f5f6f8; color: var(--text); line-height: 1.6; min-width: 320px;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
/* 顶部导航 */
.top-nav { width: 100%; background: var(--white); border-bottom: 2px solid var(--border); position: sticky; top: 0; z-index: 1000; box-shadow: 0 1px 8px rgba(0,0,0,0.06); height: var(--nav-height); }
.top-nav-inner { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 100%; padding: 0 20px; }
.nav-brand h1 { font-size: 1.5rem; font-weight: 700; color: var(--dark); letter-spacing: 0.5px; white-space: nowrap; margin: 0; line-height: 1; }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: var(--text); font-size: 0.9rem; font-weight: 500; padding: 8px 13px; border-radius: 20px; transition: var(--transition); white-space: nowrap; letter-spacing: 0.3px; }
.nav-links a:hover, .nav-links a:focus-visible { background: #fef9e7; color: #c9a000; outline: none; }
.nav-links .nav-btn-download { background: var(--yellow); color: #3d2e00; font-weight: 700; padding: 9px 18px; border-radius: 22px; margin-left: 4px; letter-spacing: 0.4px; transition: var(--transition); box-shadow: 0 2px 8px rgba(241,196,15,0.35); }
.nav-links .nav-btn-download:hover { background: #e6b800; color: #1a0f00; box-shadow: 0 4px 16px rgba(241,196,15,0.5); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; padding: 8px; z-index: 1001; background: none; border: none; }
.hamburger span { display: block; width: 26px; height: 2.5px; background: var(--dark); border-radius: 3px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
/* 主布局 */
.main-container { max-width: var(--max-width); margin: 0 auto; display: flex; gap: 24px; padding: 20px 20px 32px; }
.content-left { flex: 1; min-width: 0; }
.sidebar-right { width: 330px; flex-shrink: 0; display: flex; flex-direction: column; gap: 20px; }
.section-block { background: var(--white); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); margin-bottom: 20px; transition: var(--transition); }
.section-block:hover { box-shadow: var(--shadow-hover); }
.section-title { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; padding-left: 14px; border-left: 4px solid var(--yellow); letter-spacing: 0.4px; line-height: 1.3; }
.section-subtitle { font-size: 0.85rem; color: var(--text-light); margin-bottom: 14px; margin-top: -8px; padding-left: 18px; }
/* 热门漫画网格 */
.comic-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.comic-card { background: var(--white); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,0.06); display: flex; flex-direction: column; border: 1px solid transparent; }
.comic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #fde68a; }
.comic-card-img-wrap { width: 100%; aspect-ratio: 5/7; overflow: hidden; background: #eef1f5; position: relative; }
.comic-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.35s ease; }
.comic-card:hover .comic-card-img-wrap img { transform: scale(1.06); }
.comic-card-info { padding: 10px 11px 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.comic-card-info .comic-name { font-weight: 700; font-size: 0.9rem; color: var(--dark); line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.6em; }
.comic-card-info .comic-meta { font-size: 0.7rem; color: var(--text-light); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.comic-card-info .comic-tag { display: inline-block; font-size: 0.68rem; background: #eef6fd; color: var(--blue); padding: 2px 8px; border-radius: 10px; align-self: flex-start; margin-top: 2px; letter-spacing: 0.3px; }
.featured-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.featured-card { position: relative; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; aspect-ratio: 16/10; background: #dce3e9; }
.featured-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.featured-card:hover img { transform: scale(1.08); }
.featured-card .featured-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0,0,0,0.78)); color: #fff; padding: 24px 14px 12px; font-weight: 700; font-size: 0.95rem; letter-spacing: 0.3px; }
.detail-intro { display: flex; gap: 20px; flex-wrap: wrap; }
.detail-intro-img { width: 200px; height: 280px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: #eef1f5; box-shadow: 0 3px 10px rgba(0,0,0,0.1); }
.detail-intro-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.detail-intro-text { flex: 1; min-width: 240px; }
.detail-intro-text h3 { font-size: 1.3rem; color: var(--dark); margin-bottom: 8px; }
.detail-intro-text .meta-line { font-size: 0.85rem; color: var(--text-light); margin-bottom: 6px; }
.detail-intro-text .desc { font-size: 0.9rem; color: #4a5568; line-height: 1.7; }
.character-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.character-card { text-align: center; background: #fafbfc; border-radius: var(--radius-sm); padding: 14px 10px; transition: var(--transition); border: 1px solid transparent; }
.character-card:hover { border-color: #fde68a; box-shadow: var(--shadow-hover); }
.character-card .char-img-wrap { width: 90px; height: 90px; border-radius: 50%; overflow: hidden; margin: 0 auto 10px; background: #eef1f5; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.character-card .char-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.character-card .char-name { font-weight: 700; color: var(--dark); font-size: 0.9rem; }
.character-card .char-role { font-size: 0.72rem; color: var(--text-light); margin-top: 2px; }
.comment-list { display: flex; flex-direction: column; gap: 14px; }
.comment-item { background: #fafbfc; border-radius: var(--radius-sm); padding: 14px 16px; border-left: 3px solid transparent; transition: var(--transition); }
.comment-item:hover { border-left-color: var(--yellow); background: #fefefb; }
.comment-item .comment-user { font-weight: 700; font-size: 0.85rem; color: var(--dark); margin-bottom: 4px; }
.comment-item .comment-text { font-size: 0.88rem; color: #4a5568; line-height: 1.7; }
.comment-item .comment-time { font-size: 0.7rem; color: #a0aec0; margin-top: 6px; }
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
.faq-item summary { padding: 13px 16px; font-weight: 600; cursor: pointer; color: var(--dark); font-size: 0.9rem; background: #fafbfc; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.2rem; font-weight: 700; color: var(--blue); transition: var(--transition); }
.faq-item[open] summary::after { content: '−'; color: var(--yellow); }
.faq-item .faq-answer { padding: 0 16px 14px; font-size: 0.85rem; color: #4a5568; line-height: 1.7; }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.advantage-card { text-align: center; padding: 20px 14px; border-radius: var(--radius-sm); background: #fafbfc; transition: var(--transition); border: 1px solid transparent; }
.advantage-card:hover { border-color: #d5e8f8; box-shadow: var(--shadow-hover); }
.advantage-card .adv-icon-circle { width: 50px; height: 50px; border-radius: 50%; background: #eef6fd; margin: 0 auto 10px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--blue); font-weight: 700; }
.advantage-card h4 { font-size: 0.95rem; color: var(--dark); margin-bottom: 4px; }
.advantage-card p { font-size: 0.78rem; color: var(--text-light); line-height: 1.5; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud .tag-item { padding: 8px 16px; border-radius: 20px; font-size: 0.82rem; font-weight: 500; cursor: pointer; transition: var(--transition); letter-spacing: 0.3px; background: #eef6fd; color: var(--blue); border: 1px solid transparent; text-decoration: none; }
.tag-cloud .tag-item:hover { background: var(--blue); color: #fff; border-color: var(--blue); box-shadow: 0 3px 10px rgba(52,152,219,0.3); }
.tag-cloud .tag-highlight { background: #fef9e7; color: #8a6d00; border-color: #fde68a; font-weight: 700; }
.platform-intro-text { font-size: 0.9rem; color: #4a5568; line-height: 1.8; }
.platform-intro-text strong { color: var(--dark); }
.download-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.download-card { text-align: center; padding: 20px 12px; border-radius: var(--radius-sm); border: 2px solid var(--border); transition: var(--transition); cursor: pointer; background: #fafbfc; text-decoration: none; color: inherit; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.download-card:hover { border-color: var(--yellow); box-shadow: var(--shadow-hover); transform: translateY(-2px); background: #fffef9; }
.download-card .app-icon { width: 44px; height: 44px; object-fit: contain; display: block; }
.download-card .dl-platform { font-weight: 700; font-size: 0.9rem; color: var(--dark); }
.download-card .dl-version { font-size: 0.7rem; color: var(--text-light); }
.download-card .dl-btn-label { font-size: 0.75rem; background: var(--yellow); color: #3d2e00; padding: 5px 14px; border-radius: 14px; font-weight: 700; letter-spacing: 0.3px; margin-top: 2px; }
.sidebar-card { background: var(--white); border-radius: var(--radius); padding: 18px 16px; box-shadow: var(--shadow); transition: var(--transition); }
.sidebar-card:hover { box-shadow: var(--shadow-hover); }
.sidebar-card .side-title { font-weight: 700; font-size: 1rem; color: var(--dark); margin-bottom: 12px; padding-left: 10px; border-left: 3px solid var(--yellow); 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: 8px; border-radius: var(--radius-sm); transition: var(--transition); cursor: pointer; border: 1px solid transparent; }
.rank-list li:hover { background: #fefefb; border-color: #fde68a; }
.rank-list .rank-num { font-weight: 700; font-size: 1rem; color: #b0b8c1; width: 26px; text-align: center; flex-shrink: 0; }
.rank-list li:nth-child(1) .rank-num { color: #e6b800; font-size: 1.2rem; }
.rank-list li:nth-child(2) .rank-num { color: #8899a6; font-size: 1.1rem; }
.rank-list li:nth-child(3) .rank-num { color: #b8860b; font-size: 1.05rem; }
.rank-list .rank-img { width: 48px; height: 64px; border-radius: 4px; overflow: hidden; flex-shrink: 0; background: #eef1f5; }
.rank-list .rank-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rank-list .rank-info { flex: 1; min-width: 0; }
.rank-list .rank-info .rname { font-weight: 600; font-size: 0.82rem; color: var(--dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-list .rank-info .rstat { font-size: 0.7rem; color: var(--text-light); }
.rank-list .rank-change { font-weight: 700; font-size: 0.78rem; flex-shrink: 0; }
.rank-up { color: #e74c3c; }
.rank-stable { color: #8899a6; }
.stat-row { display: flex; justify-content: space-around; text-align: center; gap: 8px; }
.stat-item .stat-val { font-size: 1.5rem; font-weight: 700; color: var(--dark); letter-spacing: 0.3px; }
.stat-item .stat-label { font-size: 0.72rem; color: var(--text-light); margin-top: 2px; }
.update-time { text-align: center; font-size: 0.7rem; color: #a0aec0; margin-top: 8px; }
.total-read-highlight { text-align: center; font-size: 2rem; font-weight: 700; color: var(--yellow); letter-spacing: 0.5px; margin: 4px 0; }
.bottom-nav { width: 100%; background: var(--dark); color: #cbd5e0; padding: 28px 20px 20px; margin-top: 10px; }
.bottom-nav-inner { max-width: var(--max-width); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; }
.bottom-nav .bn-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 10px; letter-spacing: 0.4px; }
.bottom-nav .bn-col a { display: block; color: #a0b4c4; text-decoration: none; font-size: 0.8rem; padding: 3px 0; transition: var(--transition); letter-spacing: 0.2px; }
.bottom-nav .bn-col a:hover { color: var(--yellow); }
.bottom-nav .bn-bottom-row { max-width: var(--max-width); margin: 18px auto 0; padding-top: 16px; border-top: 1px solid #3d5568; display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.78rem; align-items: center; }
.bottom-nav .bn-bottom-row a { color: #a0b4c4; text-decoration: none; font-weight: 500; letter-spacing: 0.3px; transition: var(--transition); }
.bottom-nav .bn-bottom-row a:hover { color: var(--yellow); }
.bottom-nav .bn-bottom-row .bn-brand { color: #fff; font-weight: 700; letter-spacing: 0.4px; }
@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); }
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
    .sidebar-right { width: 280px; }
    .featured-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
    .main-container { flex-direction: column; }
    .sidebar-right { width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .comic-grid { grid-template-columns: repeat(3, 1fr); }
    .character-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: #fff; flex-direction: column; padding: 12px 20px; gap: 2px; box-shadow: 0 8px 20px rgba(0,0,0,0.12); border-bottom: 2px solid var(--border); z-index: 999; }
    .nav-links.show { display: flex; }
    .nav-links a { padding: 10px 14px; width: 100%; text-align: center; border-radius: 8px; font-size: 0.9rem; }
    .hamburger { display: flex; }
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .featured-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .download-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .sidebar-right { grid-template-columns: 1fr; }
    .detail-intro { flex-direction: column; align-items: center; }
    .detail-intro-img { width: 160px; height: 224px; }
    .section-block { padding: 16px 14px; }
    .bottom-nav-inner { flex-direction: column; gap: 18px; }
    .stat-row { flex-wrap: wrap; gap: 12px; }
    .nav-brand h1 { font-size: 1.2rem; }
}
@media (max-width: 420px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .comic-card-info { padding: 6px 7px 8px; }
    .comic-card-info .comic-name { font-size: 0.75rem; }
    .comic-card-info .comic-meta { font-size: 0.65rem; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .download-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .section-title { font-size: 1.05rem; }
    .detail-intro-img { width: 130px; height: 182px; }
}