:root {
    --color-dark: #474744;
    --color-blue: #2994b2;
    --color-light: #fffbe0;
    --color-gold: #ffb400;
    --color-white: #ffffff;
    --color-bg: #f8f7f2;
    --color-text: #333333;
    --color-text-light: #6b6b6b;
    --color-border: #e8e6dc;
    --color-card-bg: #ffffff;
    --sidebar-width: 340px;
    --nav-height: 62px;
    --max-width: 1320px;
    --shadow-sm: 0 2px 8px rgba(71, 71, 68, 0.06);
    --shadow-md: 0 4px 16px rgba(71, 71, 68, 0.10);
    --shadow-lg: 0 8px 28px rgba(71, 71, 68, 0.14);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { 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-width: 320px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.top-nav {
    width: 100%; height: var(--nav-height); background: var(--color-white);
    border-bottom: 2px solid var(--color-border); position: sticky; top: 0; z-index: 1000;
    box-shadow: var(--shadow-sm); display: flex; align-items: center; justify-content: center; padding: 0 20px;
}
.top-nav-inner {
    width: 100%; max-width: var(--max-width); display: flex; align-items: center;
    justify-content: space-between; gap: 16px;
}
.nav-brand h1 { font-size: 1.5rem; font-weight: 700; color: var(--color-dark); letter-spacing: 0.5px; white-space: nowrap; margin: 0; line-height: 1.2; }
.nav-brand h1 span { color: var(--color-blue); }
.nav-brand a { text-decoration: none; color: inherit; display: inline-block; }
.nav-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; list-style: none; }
.nav-links a {
    text-decoration: none; color: var(--color-text); font-size: 0.9rem; font-weight: 500;
    padding: 7px 13px; border-radius: 20px; transition: var(--transition); white-space: nowrap; display: inline-block;
}
.nav-links a:hover, .nav-links a:focus-visible { background: var(--color-light); color: var(--color-blue); }
.nav-btn {
    background: var(--color-gold) !important; color: #fff !important; font-weight: 600 !important;
    padding: 9px 18px !important; border-radius: 22px !important; letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(255, 180, 0, 0.35); transition: var(--transition);
}
.nav-btn:hover { background: #e6a200 !important; box-shadow: 0 4px 14px rgba(255, 180, 0, 0.5) !important; transform: translateY(-1px); color: #fff !important; }
.nav-login { color: var(--color-blue) !important; font-weight: 500 !important; border: 1.5px solid var(--color-blue) !important; padding: 7px 15px !important; border-radius: 20px !important; background: transparent !important; }
.nav-login:hover { background: var(--color-blue) !important; color: #fff !important; }

.main-container { width: 100%; max-width: var(--max-width); margin: 0 auto; display: flex; gap: 28px; padding: 24px 20px; min-height: 100vh; }
.content-left { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 32px; }
.sidebar-right {
    width: var(--sidebar-width); flex-shrink: 0; display: flex; flex-direction: column; gap: 22px;
    position: sticky; top: calc(var(--nav-height) + 20px); align-self: flex-start;
    max-height: calc(100vh - var(--nav-height) - 40px); overflow-y: auto; scrollbar-width: thin;
    scrollbar-color: #ccc transparent; padding-right: 4px;
}
.section-block { background: var(--color-card-bg); border-radius: var(--radius-lg); padding: 24px 22px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); transition: var(--transition); }
.section-block:hover { box-shadow: var(--shadow-md); }
.section-title { font-size: 1.25rem; font-weight: 700; color: var(--color-dark); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--color-gold); display: flex; align-items: center; gap: 8px; letter-spacing: 0.4px; }
.section-title::before { content: ''; display: inline-block; width: 4px; height: 22px; background: var(--color-gold); border-radius: 2px; flex-shrink: 0; }
.sidebar-right .section-title { font-size: 1.1rem; margin-bottom: 12px; padding-bottom: 10px; }
.sidebar-right .section-block { padding: 18px 16px; border-radius: var(--radius-md); }

.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; border: 1px solid var(--color-border); transition: var(--transition); cursor: pointer; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.comic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-gold); }
.comic-card-img-wrap { position: relative; width: 100%; aspect-ratio: 3 / 4; overflow: hidden; background: #e8e6dc; flex-shrink: 0; }
.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-gold); color: #fff; font-size: 0.7rem; font-weight: 700; padding: 3px 8px; border-radius: 10px; letter-spacing: 0.3px; z-index: 2; }
.comic-card-body { padding: 10px 12px 12px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.comic-card-body h3 { font-size: 0.95rem; font-weight: 700; color: var(--color-dark); line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.comic-card-body .comic-meta { font-size: 0.72rem; color: var(--color-text-light); line-height: 1.4; display: flex; flex-wrap: wrap; gap: 2px 6px; }
.comic-card-body .comic-meta span { white-space: nowrap; }
.comic-card-body .comic-type-tag { display: inline-block; background: var(--color-light); color: var(--color-blue); font-size: 0.68rem; font-weight: 600; padding: 2px 8px; border-radius: 10px; margin-top: 2px; align-self: flex-start; }

.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.featured-card { background: var(--color-white); border-radius: var(--radius-md); overflow: hidden; border: 2px solid transparent; transition: var(--transition); box-shadow: var(--shadow-sm); cursor: pointer; display: flex; flex-direction: column; }
.featured-card:hover { border-color: var(--color-gold); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.featured-card-img-wrap { width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #dcd9cc; flex-shrink: 0; position: relative; }
.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; flex: 1; }
.featured-card-body h3 { font-size: 1rem; font-weight: 700; color: var(--color-dark); margin-bottom: 4px; }
.featured-card-body p { font-size: 0.78rem; color: var(--color-text-light); line-height: 1.5; }

.character-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.character-card { background: var(--color-white); border-radius: var(--radius-md); padding: 16px; text-align: center; border: 1px solid var(--color-border); transition: var(--transition); box-shadow: var(--shadow-sm); }
.character-card:hover { border-color: var(--color-blue); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.character-card img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 3px solid var(--color-gold); margin-bottom: 10px; display: inline-block; }
.character-card h4 { font-size: 0.9rem; font-weight: 700; color: var(--color-dark); margin-bottom: 3px; }
.character-card p { font-size: 0.7rem; color: var(--color-text-light); line-height: 1.4; }

.faq-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); background: #fafaf8; }
.faq-question { font-weight: 700; font-size: 0.95rem; color: var(--color-dark); padding: 14px 16px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; transition: var(--transition); }
.faq-question:hover { color: var(--color-blue); background: var(--color-light); }
.faq-answer { padding: 0 16px 14px; font-size: 0.85rem; color: var(--color-text-light); line-height: 1.6; display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question { color: var(--color-blue); background: var(--color-light); }

.advantages-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.advantage-item { text-align: center; padding: 20px 14px; background: var(--color-light); border-radius: var(--radius-md); border: 1px solid transparent; transition: var(--transition); }
.advantage-item:hover { border-color: var(--color-gold); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.advantage-icon { font-size: 2rem; margin-bottom: 8px; display: block; color: var(--color-blue); font-weight: 700; }
.advantage-item h4 { font-size: 0.9rem; font-weight: 700; color: var(--color-dark); margin-bottom: 4px; }
.advantage-item p { font-size: 0.75rem; color: var(--color-text-light); line-height: 1.4; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a { display: inline-block; padding: 8px 16px; background: var(--color-light); color: var(--color-dark); border-radius: 20px; text-decoration: none; font-size: 0.82rem; font-weight: 500; border: 1px solid var(--color-border); transition: var(--transition); letter-spacing: 0.3px; }
.tag-cloud a:hover { background: var(--color-gold); color: #fff; border-color: var(--color-gold); box-shadow: var(--shadow-sm); }

.app-download-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.app-download-card { background: var(--color-white); border-radius: var(--radius-md); padding: 18px 14px; text-align: center; border: 2px solid var(--color-border); transition: var(--transition); cursor: pointer; text-decoration: none; color: inherit; display: flex; flex-direction: column; align-items: center; gap: 8px; box-shadow: var(--shadow-sm); }
.app-download-card:hover { border-color: var(--color-blue); box-shadow: var(--shadow-md); transform: translateY(-2px); background: #fafdfe; }
.app-download-card .app-icon { width: 48px; height: 48px; object-fit: contain; display: block; }
.app-download-card span { font-weight: 600; font-size: 0.85rem; color: var(--color-dark); }
.app-download-card small { font-size: 0.7rem; color: var(--color-text-light); }

.rank-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.rank-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius-sm); transition: var(--transition); cursor: pointer; border: 1px solid transparent; background: #fdfdfb; }
.rank-item:hover { background: var(--color-light); border-color: var(--color-gold); }
.rank-num { width: 26px; height: 26px; border-radius: 50%; background: #e8e6dc; color: var(--color-dark); font-weight: 700; font-size: 0.8rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rank-item:nth-child(1) .rank-num { background: var(--color-gold); color: #fff; }
.rank-item:nth-child(2) .rank-num { background: #c0c0c0; color: #fff; }
.rank-item:nth-child(3) .rank-num { background: #cd9a5b; color: #fff; }
.rank-info { flex: 1; min-width: 0; }
.rank-info .rank-title { font-weight: 600; font-size: 0.82rem; color: var(--color-dark); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-info .rank-sub { font-size: 0.68rem; color: var(--color-text-light); }
.rank-change { font-weight: 700; font-size: 0.78rem; flex-shrink: 0; }
.rank-change.up { color: #e53e3e; }
.rank-change.down { color: #38a169; }

.stats-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat-item { text-align: center; padding: 12px 8px; background: var(--color-light); border-radius: var(--radius-sm); border: 1px solid var(--color-border); }
.stat-value { font-size: 1.3rem; font-weight: 700; color: var(--color-blue); line-height: 1.2; }
.stat-label { font-size: 0.7rem; color: var(--color-text-light); margin-top: 2px; }
.stat-update { font-size: 0.65rem; color: #999; text-align: right; margin-top: 6px; grid-column: 1 / -1; }

.comment-list { display: flex; flex-direction: column; gap: 10px; }
.comment-item { padding: 12px; background: #fdfdfb; border-radius: var(--radius-sm); border: 1px solid var(--color-border); transition: var(--transition); }
.comment-item:hover { border-color: var(--color-blue); background: #fafdfe; }
.comment-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.comment-user { font-weight: 600; font-size: 0.78rem; color: var(--color-dark); }
.comment-time { font-size: 0.65rem; color: #999; margin-left: auto; }
.comment-text { font-size: 0.75rem; color: var(--color-text-light); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

.footer-nav { width: 100%; background: var(--color-dark); color: #d5d5d0; 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 h4 { color: #fff; font-size: 0.95rem; margin-bottom: 12px; font-weight: 700; letter-spacing: 0.3px; }
.footer-col a { display: block; color: #c5c5bd; text-decoration: none; font-size: 0.8rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--color-gold); padding-left: 4px; }
.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; justify-content: center; gap: 14px; align-items: center; }
.footer-bottom a { color: var(--color-gold); text-decoration: none; font-weight: 500; transition: var(--transition); }
.footer-bottom a:hover { text-decoration: underline; color: #ffc933; }

@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .advantages-row { grid-template-columns: repeat(2, 1fr); }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .sidebar-right { width: 290px; }
    .main-container { gap: 18px; padding: 18px 14px; }
}
@media (max-width: 900px) {
    .main-container { flex-direction: column; gap: 20px; padding: 14px 10px; }
    .sidebar-right { width: 100%; position: static; max-height: none; overflow-y: visible; flex-direction: column; gap: 16px; order: 10; }
    .content-left { gap: 20px; order: 1; }
    .comic-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-row { grid-template-columns: repeat(2, 1fr); }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links a { font-size: 0.78rem; padding: 5px 9px; }
    .nav-brand h1 { font-size: 1.2rem; }
    .footer-inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stats-mini { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .advantages-row { grid-template-columns: 1fr 1fr; gap: 8px; }
    .app-download-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .featured-grid { grid-template-columns: 1fr; gap: 10px; }
    .section-block { padding: 16px 12px; border-radius: var(--radius-md); }
    .section-title { font-size: 1.05rem; }
    .nav-links { gap: 3px; }
    .nav-links a { font-size: 0.7rem; padding: 4px 7px; border-radius: 14px; }
    .nav-btn { padding: 6px 12px !important; font-size: 0.72rem !important; }
    .nav-login { padding: 5px 10px !important; font-size: 0.7rem !important; }
    .nav-brand h1 { font-size: 1rem; }
    .footer-inner { grid-template-columns: 1fr; gap: 12px; }
    .top-nav-inner { gap: 6px; }
    .stats-mini { grid-template-columns: 1fr 1fr; gap: 6px; }
    .sidebar-right .section-block { padding: 14px 10px; }
}