:root {
    --primary: #7c73e6;
    --secondary: #c4c1e0;
    --warm: #ffe9e3;
    --bg: #fafafa;
    --text: #2d2d3a;
    --text-light: #6b6b7b;
    --white: #ffffff;
    --border: #e8e8f0;
    --shadow: 0 2px 12px rgba(124, 115, 230, 0.08);
    --shadow-md: 0 6px 24px rgba(124, 115, 230, 0.12);
    --shadow-lg: 0 12px 40px rgba(124, 115, 230, 0.15);
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-xs: 0.75rem;
    --font-sm: 0.85rem;
    --font-md: 0.95rem;
    --font-lg: 1.1rem;
    --font-xl: 1.35rem;
    --font-2xl: 1.7rem;
    --font-3xl: 2.2rem;
}

* { 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: var(--bg); color: var(--text); line-height: 1.6; min-width: 320px;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}

.top-nav {
    width: 100%; background: var(--white); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 1000; box-shadow: 0 1px 8px rgba(0,0,0,0.04);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.top-nav-inner {
    max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; height: 64px; gap: 16px;
}
.nav-brand { flex-shrink: 0; }
.nav-brand h1 {
    font-size: var(--font-2xl); font-weight: 800; color: var(--primary); letter-spacing: -0.5px;
    margin: 0; white-space: nowrap; cursor: pointer; transition: var(--transition);
    background: linear-gradient(135deg, #7c73e6 0%, #5a52c9 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-brand h1:hover { transform: scale(1.03); }
.nav-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; list-style: none; }
.nav-links a {
    display: inline-block; padding: 8px 16px; text-decoration: none; color: var(--text);
    font-size: var(--font-sm); font-weight: 500; border-radius: 20px; transition: var(--transition);
    white-space: nowrap; position: relative;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--primary); background: var(--warm); outline: none; }
.nav-links a.active-link { color: var(--primary); background: #f3f1ff; font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-login {
    display: inline-flex; align-items: center; gap: 6px; padding: 9px 20px;
    background: var(--primary); color: #fff; border: none; border-radius: 24px;
    cursor: pointer; font-size: var(--font-sm); font-weight: 600; text-decoration: none;
    transition: var(--transition); white-space: nowrap; letter-spacing: 0.3px;
    box-shadow: 0 4px 14px rgba(124,115,230,0.3);
}
.btn-login:hover { background: #6a60d6; box-shadow: 0 6px 20px rgba(124,115,230,0.4); transform: translateY(-1px); }
.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; flex-shrink: 0; z-index: 1001; }
.mobile-menu-toggle span { display: block; width: 24px; height: 2.5px; background: var(--text); margin: 5px 0; border-radius: 3px; transition: var(--transition); }

.main-container { max-width: 1400px; margin: 0 auto; display: flex; gap: 28px; padding: 24px 24px 40px; }
.content-left { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 32px; }
.sidebar-right { width: 370px; flex-shrink: 0; display: flex; flex-direction: column; gap: 22px; position: sticky; top: 88px; align-self: flex-start; max-height: calc(100vh - 110px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: #d0cde8 transparent; padding-right: 4px; }
.sidebar-right::-webkit-scrollbar { width: 5px; }
.sidebar-right::-webkit-scrollbar-track { background: transparent; }
.sidebar-right::-webkit-scrollbar-thumb { background: #d0cde8; border-radius: 10px; }

.section-block { background: var(--white); border-radius: var(--radius-lg); padding: 24px 26px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.section-block:hover { box-shadow: var(--shadow-md); }
.section-title { font-size: var(--font-xl); font-weight: 700; color: var(--text); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 3px solid var(--primary); display: inline-block; letter-spacing: 0.2px; position: relative; }
.section-title::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 40px; height: 3px; background: var(--warm); border-radius: 2px; }
.section-subtitle { font-size: var(--font-sm); color: var(--text-light); margin-bottom: 16px; display: block; }

.comic-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.comic-grid.col-5 { grid-template-columns: repeat(5, 1fr); }
.comic-card { background: var(--white); border-radius: var(--radius); overflow: hidden; transition: var(--transition); cursor: pointer; border: 1px solid transparent; display: flex; flex-direction: column; position: relative; }
.comic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
.comic-card-img-wrapper { position: relative; width: 100%; aspect-ratio: 3 / 4; overflow: hidden; background: #f0eef8; border-radius: var(--radius) var(--radius) 0 0; }
.comic-card-img-wrapper img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.comic-card:hover .comic-card-img-wrapper img { transform: scale(1.08); }
.comic-card-badge { position: absolute; top: 8px; left: 8px; background: var(--primary); color: #fff; font-size: var(--font-xs); padding: 3px 10px; border-radius: 12px; font-weight: 600; z-index: 2; }
.comic-card-info { padding: 10px 12px 14px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.comic-card-info .title { font-weight: 700; font-size: var(--font-sm); color: var(--text); line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.comic-card-info .meta { font-size: var(--font-xs); color: var(--text-light); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.comic-card-info .type-tag { display: inline-block; font-size: 11px; color: var(--primary); background: #f3f1ff; padding: 2px 8px; border-radius: 10px; font-weight: 500; align-self: flex-start; margin-top: 2px; }

.sidebar-card { background: var(--white); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.sidebar-card h3 { font-size: var(--font-lg); font-weight: 700; color: var(--text); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--secondary); }
.rank-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.rank-list li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); transition: var(--transition); cursor: pointer; background: #fefefe; border: 1px solid transparent; }
.rank-list li:hover { background: var(--warm); border-color: #f0dcd6; transform: translateX(3px); }
.rank-num { font-weight: 800; font-size: var(--font-lg); color: var(--primary); min-width: 28px; text-align: center; flex-shrink: 0; }
.rank-num.top1 { color: #ff6b6b; font-size: 1.3rem; } .rank-num.top2 { color: #ff9a56; font-size: 1.2rem; } .rank-num.top3 { color: #ffc048; font-size: 1.1rem; }
.rank-info { flex: 1; min-width: 0; }
.rank-info .r-title { font-weight: 600; font-size: var(--font-sm); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-info .r-meta { font-size: var(--font-xs); color: var(--text-light); }
.rank-thumb { width: 40px; height: 52px; border-radius: 5px; object-fit: cover; flex-shrink: 0; background: #f0eef8; }
.stats-row { display: flex; gap: 10px; flex-wrap: wrap; }
.stat-item { flex: 1; min-width: 70px; text-align: center; background: linear-gradient(135deg, #fdfbff 0%, #f8f6ff 100%); border-radius: var(--radius-sm); padding: 14px 10px; border: 1px solid #e8e4f5; }
.stat-item .stat-num { font-size: var(--font-xl); font-weight: 800; color: var(--primary); display: block; }
.stat-item .stat-label { font-size: var(--font-xs); color: var(--text-light); margin-top: 2px; }
.update-time { font-size: 11px; color: #999; text-align: center; margin-top: 8px; display: block; }
.comment-list { display: flex; flex-direction: column; gap: 12px; max-height: 620px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #d0cde8 transparent; padding-right: 4px; }
.comment-item { padding: 12px 14px; background: #fdfcff; border-radius: var(--radius-sm); border: 1px solid #efeaf8; transition: var(--transition); font-size: var(--font-sm); line-height: 1.6; color: #4a4a5e; }
.comment-item .comment-user { font-weight: 700; color: var(--primary); font-size: var(--font-xs); margin-bottom: 4px; }
.comment-item .comment-text { font-size: var(--font-xs); line-height: 1.55; color: #555; }

.total-reads-display { text-align: center; padding: 10px 0; }
.total-reads-display .big-number { font-size: 2.6rem; font-weight: 900; color: var(--primary); letter-spacing: -1px; line-height: 1; background: linear-gradient(135deg, #7c73e6, #5a52c9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; transition: var(--transition); background: #fefefe; cursor: pointer; }
.faq-item:hover { border-color: var(--secondary); background: #fdfcff; }
.faq-item .faq-q { font-weight: 700; font-size: var(--font-sm); color: var(--text); margin-bottom: 4px; }
.faq-item .faq-a { font-size: var(--font-xs); color: var(--text-light); line-height: 1.55; }

.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.adv-card { text-align: center; padding: 20px 14px; border-radius: var(--radius); background: linear-gradient(180deg, #fdfcff 0%, #faf8ff 100%); border: 1px solid #e8e4f5; transition: var(--transition); }
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
.adv-card .adv-icon-wrap { width: 50px; height: 50px; margin: 0 auto 10px; background: var(--warm); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.adv-card h4 { font-size: var(--font-sm); font-weight: 700; color: var(--text); margin-bottom: 4px; }
.adv-card p { font-size: var(--font-xs); color: var(--text-light); line-height: 1.45; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud .tag { display: inline-block; padding: 7px 15px; background: #f3f1ff; color: var(--primary); border-radius: 20px; font-size: var(--font-xs); font-weight: 500; cursor: pointer; transition: var(--transition); border: 1px solid transparent; text-decoration: none; }
.tag-cloud .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 3px 10px rgba(124,115,230,0.25); transform: translateY(-2px); }

.app-download-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.app-download-card { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 20px 14px; border-radius: var(--radius); background: #fdfcff; border: 2px solid #e8e4f5; text-decoration: none; transition: var(--transition); cursor: pointer; text-align: center; }
.app-download-card:hover { border-color: var(--primary); background: #faf8ff; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.app-download-card .app-icon { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; }
.app-download-card span { font-weight: 600; font-size: var(--font-sm); color: var(--text); }
.app-download-card small { font-size: 11px; color: var(--text-light); }

.character-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.character-card { text-align: center; background: #fefefe; border-radius: var(--radius); padding: 16px 10px; border: 1px solid var(--border); transition: var(--transition); cursor: pointer; }
.character-card:hover { box-shadow: var(--shadow-md); border-color: var(--secondary); transform: translateY(-3px); }
.character-card img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin: 0 auto 10px; display: block; background: #f0eef8; border: 3px solid var(--secondary); }
.character-card .char-name { font-weight: 700; font-size: var(--font-sm); color: var(--text); }
.character-card .char-role { font-size: var(--font-xs); color: var(--text-light); }

.footer-nav { width: 100%; background: #2d2d3a; color: #c5c5d2; padding: 40px 24px 24px; margin-top: 20px; }
.footer-inner { max-width: 1400px; margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; }
.footer-col h4 { color: #fff; font-size: var(--font-sm); margin-bottom: 12px; font-weight: 700; }
.footer-col a { display: block; color: #b0b0c0; text-decoration: none; font-size: var(--font-xs); padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom { max-width: 1400px; margin: 20px auto 0; padding-top: 16px; border-top: 1px solid #3d3d4d; text-align: center; font-size: 11px; color: #888; display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.footer-bottom a { color: #b0b0c0; text-decoration: none; font-weight: 500; transition: var(--transition); padding: 4px 10px; border-radius: 4px; }
.footer-bottom a:hover { color: #fff; background: rgba(255,255,255,0.06); }

@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); }
    .sidebar-right { width: 320px; }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); }
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .main-container { flex-direction: column; padding: 16px 12px 24px; }
    .sidebar-right { width: 100%; position: static; max-height: none; overflow-y: visible; }
    .comic-grid { grid-template-columns: repeat(3, 1fr); }
    .nav-links { display: none; }
    .mobile-menu-toggle { display: block; }
    .top-nav-inner { padding: 0 14px; height: 56px; }
    .nav-brand h1 { font-size: 1.2rem; }
    .btn-login { padding: 7px 14px; font-size: 0.78rem; }
    .section-block { padding: 16px 14px; }
    .sidebar-card { padding: 14px 14px; }
}
@media (max-width: 560px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .app-download-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .advantages-grid { grid-template-columns: 1fr 1fr; }
    .section-title { font-size: 1.05rem; }
    .footer-inner { flex-direction: column; gap: 16px; }
    .nav-brand h1 { font-size: 1.05rem; }
    .btn-login { padding: 6px 12px; font-size: 0.7rem; }
}

.nav-links.mobile-open {
    display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 2px solid var(--border); padding: 12px 16px; gap: 2px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1); z-index: 999; border-radius: 0 0 16px 16px;
}
.nav-links.mobile-open a { padding: 10px 16px; border-radius: 8px; width: 100%; text-align: center; font-size: var(--font-md); }