:root {
    --deep-blue: #3b4a6b;
    --bright-blue: #22b2da;
    --golden-yellow: #f0d43a;
    --vivid-red: #f23557;
    --bg-light: #f8f9fb;
    --bg-white: #ffffff;
    --text-dark: #2c3040;
    --text-mid: #5a5f72;
    --text-light: #7a7f92;
    --border-light: #e8ecf2;
    --shadow-sm: 0 2px 8px rgba(59, 74, 107, 0.07);
    --shadow-md: 0 4px 20px rgba(59, 74, 107, 0.12);
    --shadow-lg: 0 8px 32px rgba(59, 74, 107, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 68px;
    --sidebar-width: 340px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;background-color:var(--bg-light);color:var(--text-dark);line-height:1.6;min-height:100vh;overflow-x:hidden;letter-spacing:0.01em}

.top-nav{width:100%;height:var(--nav-height);background:var(--bg-white);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow-sm);display:flex;align-items:center;padding:0 24px;gap:20px;transition:box-shadow var(--transition-smooth)}
.top-nav.scrolled{box-shadow:var(--shadow-md)}
.nav-brand{flex-shrink:0;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--deep-blue)}
.nav-brand h1{font-size:1.5rem;font-weight:700;letter-spacing:0.03em;color:var(--deep-blue);white-space:nowrap;margin:0;line-height:1}
.nav-brand .brand-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--bright-blue),var(--deep-blue));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:1.1rem;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;flex-wrap:wrap;list-style:none}
.nav-links a{text-decoration:none;color:var(--text-mid);font-size:0.9rem;font-weight:500;padding:8px 14px;border-radius:20px;transition:all var(--transition-fast);white-space:nowrap;letter-spacing:0.02em}
.nav-links a:hover,.nav-links a:focus{color:var(--bright-blue);background:rgba(34,178,218,0.06);outline:none}
.nav-links a.nav-hot{color:var(--vivid-red);font-weight:600}
.nav-actions{flex-shrink:0;display:flex;align-items:center;gap:10px}
.btn-nav{padding:9px 18px;border-radius:22px;font-size:0.88rem;font-weight:600;cursor:pointer;border:none;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:all var(--transition-fast);white-space:nowrap;letter-spacing:0.02em}
.btn-login{background:transparent;color:var(--deep-blue);border:1.5px solid var(--deep-blue)}
.btn-login:hover{background:var(--deep-blue);color:#fff}
.btn-cta{background:var(--vivid-red);color:#fff;box-shadow:0 2px 8px rgba(242,53,87,0.3)}
.btn-cta:hover{background:#d92a48;box-shadow:0 4px 16px rgba(242,53,87,0.4);transform:translateY(-1px)}
.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-shrink:0;color:var(--deep-blue);width:40px;height:40px;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:background var(--transition-fast)}
.mobile-menu-toggle:hover{background:rgba(59,74,107,0.05)}
.mobile-menu-toggle span{display:block;width:22px;height:2.5px;background:var(--deep-blue);border-radius:3px;position:relative;transition:all var(--transition-fast)}
.mobile-menu-toggle span::before,.mobile-menu-toggle span::after{content:'';position:absolute;width:22px;height:2.5px;background:var(--deep-blue);border-radius:3px;transition:all var(--transition-fast);left:0}
.mobile-menu-toggle span::before{top:-7px}
.mobile-menu-toggle span::after{top:7px}

.main-container{max-width:1400px;margin:0 auto;padding:24px 20px 40px;display:flex;gap:28px}
.content-primary{flex:1;min-width:0;display:flex;flex-direction:column;gap:28px}
.content-sidebar{width:var(--sidebar-width);flex-shrink:0;display:flex;flex-direction:column;gap:20px;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:#d0d5e0 transparent}
.content-sidebar::-webkit-scrollbar{width:4px}
.content-sidebar::-webkit-scrollbar-track{background:transparent}
.content-sidebar::-webkit-scrollbar-thumb{background:#d0d5e0;border-radius:4px}

.section-block{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:box-shadow var(--transition-smooth)}
.section-block:hover{box-shadow:var(--shadow-md)}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.section-title{font-size:1.25rem;font-weight:700;color:var(--deep-blue);letter-spacing:0.02em;display:flex;align-items:center;gap:8px}
.section-title::before{content:'';width:4px;height:22px;background:var(--bright-blue);border-radius:3px;flex-shrink:0}
.section-title.accent-yellow::before{background:var(--golden-yellow)}
.section-title.accent-red::before{background:var(--vivid-red)}
.section-more{font-size:0.85rem;color:var(--bright-blue);text-decoration:none;font-weight:500;transition:color var(--transition-fast);white-space:nowrap}
.section-more:hover{color:var(--deep-blue)}

.hot-comics-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.comic-card{background:var(--bg-white);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition-smooth);cursor:pointer;border:1px solid transparent;display:flex;flex-direction:column;position:relative}
.comic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-light)}
.comic-card-img-wrapper{position:relative;width:100%;aspect-ratio:3/4;overflow:hidden;background:#eef1f6;flex-shrink:0}
.comic-card-img-wrapper img{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--transition-smooth)}
.comic-card:hover .comic-card-img-wrapper img{transform:scale(1.06)}
.comic-card-badge{position:absolute;top:8px;left:8px;background:var(--vivid-red);color:#fff;font-size:0.7rem;font-weight:700;padding:3px 8px;border-radius:10px;z-index:2;letter-spacing:0.03em}
.comic-card-badge.hot-badge{background:var(--vivid-red)}
.comic-card-badge.new-badge{background:var(--bright-blue)}
.comic-card-info{padding:10px 12px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.comic-card-title{font-weight:700;font-size:0.9rem;color:var(--text-dark);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;letter-spacing:0.02em}
.comic-card-meta{font-size:0.72rem;color:var(--text-light);display:flex;flex-wrap:wrap;gap:4px 8px;line-height:1.5}
.comic-card-meta span{white-space:nowrap}
.comic-card-type{display:inline-block;font-size:0.68rem;background:rgba(34,178,218,0.1);color:var(--bright-blue);padding:2px 8px;border-radius:10px;font-weight:500;letter-spacing:0.02em}

.featured-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.featured-card{background:linear-gradient(135deg,#fefefe,#f8f9fb);border-radius:var(--radius-md);overflow:hidden;border:1.5px solid var(--border-light);transition:all var(--transition-smooth);cursor:pointer;display:flex;flex-direction:column}
.featured-card:hover{border-color:var(--golden-yellow);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.featured-card-img-wrapper{width:100%;aspect-ratio:16/10;overflow:hidden;background:#eef1f6;flex-shrink:0}
.featured-card-img-wrapper img{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--transition-smooth)}
.featured-card:hover .featured-card-img-wrapper img{transform:scale(1.05)}
.featured-card-info{padding:12px 14px;flex:1;display:flex;flex-direction:column;gap:4px}
.featured-card-title{font-weight:700;font-size:0.95rem;color:var(--text-dark);letter-spacing:0.02em}
.featured-card-desc{font-size:0.78rem;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.comic-detail-showcase{display:flex;gap:24px;flex-wrap:wrap}
.comic-detail-cover{width:200px;flex-shrink:0;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:3/4;background:#eef1f6}
.comic-detail-cover img{width:100%;height:100%;object-fit:cover;display:block}
.comic-detail-text{flex:1;min-width:260px;display:flex;flex-direction:column;gap:10px}
.comic-detail-text h3{font-size:1.35rem;font-weight:700;color:var(--deep-blue);letter-spacing:0.02em}
.comic-detail-text .detail-meta-row{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:0.85rem;color:var(--text-mid)}
.comic-detail-text .detail-meta-row strong{color:var(--deep-blue);font-weight:600}
.comic-detail-text .detail-desc{font-size:0.9rem;color:var(--text-mid);line-height:1.7;letter-spacing:0.02em}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px}
.detail-tag{padding:5px 12px;border-radius:14px;font-size:0.78rem;font-weight:500;letter-spacing:0.02em;background:rgba(240,212,58,0.2);color:#8a7200}

.characters-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.character-card{text-align:center;background:var(--bg-white);border-radius:var(--radius-md);padding:16px 10px;border:1px solid var(--border-light);transition:all var(--transition-smooth);cursor:pointer}
.character-card:hover{box-shadow:var(--shadow-md);border-color:var(--bright-blue);transform:translateY(-3px)}
.character-avatar{width:72px;height:72px;border-radius:50%;overflow:hidden;margin:0 auto 10px;background:#eef1f6;flex-shrink:0}
.character-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.character-name{font-weight:700;font-size:0.9rem;color:var(--deep-blue);letter-spacing:0.02em}
.character-role{font-size:0.75rem;color:var(--text-light)}

.sidebar-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:18px 16px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}
.sidebar-card-title{font-weight:700;font-size:1rem;color:var(--deep-blue);margin-bottom:14px;display:flex;align-items:center;gap:6px;letter-spacing:0.02em}
.sidebar-card-title::before{content:'';width:3px;height:18px;background:var(--golden-yellow);border-radius:2px;flex-shrink:0}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.rank-item{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-sm);transition:background var(--transition-fast);cursor:pointer}
.rank-item:hover{background:rgba(34,178,218,0.04)}
.rank-number{font-weight:800;font-size:1.1rem;width:28px;text-align:center;flex-shrink:0;color:var(--text-light);letter-spacing:0.03em}
.rank-number.top3{color:var(--vivid-red)}
.rank-thumb{width:42px;height:56px;border-radius:4px;overflow:hidden;flex-shrink:0;background:#eef1f6}
.rank-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.rank-info{flex:1;min-width:0}
.rank-title{font-weight:600;font-size:0.85rem;color:var(--text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:0.02em}
.rank-sub{font-size:0.7rem;color:var(--text-light)}

.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat-item{text-align:center;padding:14px 8px;background:linear-gradient(135deg,#f8f9fb,#fff);border-radius:var(--radius-sm);border:1px solid var(--border-light)}
.stat-value{font-size:1.5rem;font-weight:800;color:var(--vivid-red);letter-spacing:0.02em}
.stat-value.blue{color:var(--bright-blue)}
.stat-value.dark{color:var(--deep-blue)}
.stat-label{font-size:0.72rem;color:var(--text-light);margin-top:2px}
.stat-update-time{font-size:0.7rem;color:var(--text-light);text-align:center;margin-top:8px}

.comment-list{display:flex;flex-direction:column;gap:12px;max-height:600px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#d0d5e0 transparent}
.comment-list::-webkit-scrollbar{width:4px}
.comment-list::-webkit-scrollbar-track{background:transparent}
.comment-list::-webkit-scrollbar-thumb{background:#d0d5e0;border-radius:4px}
.comment-item{padding:12px;border-radius:var(--radius-sm);background:#fafbfc;border-left:3px solid var(--bright-blue);transition:all var(--transition-fast)}
.comment-item:nth-child(odd){border-left-color:var(--golden-yellow)}
.comment-item:hover{background:#f0f4f8}
.comment-user{font-weight:600;font-size:0.82rem;color:var(--deep-blue);margin-bottom:4px;letter-spacing:0.02em}
.comment-text{font-size:0.78rem;color:var(--text-mid);line-height:1.6;letter-spacing:0.02em}
.comment-time{font-size:0.68rem;color:var(--text-light);margin-top:3px}

.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--border-light);border-radius:var(--radius-sm);overflow:hidden;transition:all var(--transition-fast)}
.faq-question{padding:14px 16px;font-weight:600;font-size:0.9rem;color:var(--deep-blue);cursor:pointer;display:flex;justify-content:space-between;align-items:center;letter-spacing:0.02em;background:#fafbfc;transition:background var(--transition-fast)}
.faq-question:hover{background:#f0f4f8}
.faq-answer{padding:0 16px 16px;font-size:0.85rem;color:var(--text-mid);line-height:1.7;letter-spacing:0.02em}

.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.advantage-card{text-align:center;padding:20px 14px;border-radius:var(--radius-md);background:linear-gradient(135deg,#fefefe,#f8f9fb);border:1px solid var(--border-light);transition:all var(--transition-smooth)}
.advantage-card:hover{box-shadow:var(--shadow-md);border-color:var(--bright-blue);transform:translateY(-2px)}
.advantage-icon{width:48px;height:48px;border-radius:50%;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;letter-spacing:0.03em}
.advantage-icon.blue{background:rgba(34,178,218,0.15);color:var(--bright-blue)}
.advantage-icon.yellow{background:rgba(240,212,58,0.2);color:#8a7200}
.advantage-icon.red{background:rgba(242,53,87,0.12);color:var(--vivid-red)}
.advantage-icon.dark{background:rgba(59,74,107,0.12);color:var(--deep-blue)}
.advantage-title{font-weight:700;font-size:0.9rem;color:var(--deep-blue);letter-spacing:0.02em}
.advantage-desc{font-size:0.75rem;color:var(--text-light);margin-top:4px}

.tags-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{padding:8px 16px;border-radius:20px;font-size:0.82rem;font-weight:500;letter-spacing:0.02em;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;border:1.5px solid transparent}
.tag-pill.blue{background:rgba(34,178,218,0.08);color:var(--bright-blue);border-color:rgba(34,178,218,0.25)}
.tag-pill.yellow{background:rgba(240,212,58,0.15);color:#8a7200;border-color:rgba(240,212,58,0.35)}
.tag-pill.red{background:rgba(242,53,87,0.08);color:var(--vivid-red);border-color:rgba(242,53,87,0.25)}
.tag-pill.dark{background:rgba(59,74,107,0.08);color:var(--deep-blue);border-color:rgba(59,74,107,0.25)}
.tag-pill:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}

.footer-nav{width:100%;background:var(--deep-blue);color:#c8d0e0;padding:32px 24px 20px;margin-top:20px}
.footer-inner{max-width:1400px;margin:0 auto;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
.footer-col{flex:1;min-width:160px}
.footer-col h4{color:#fff;font-size:0.95rem;font-weight:700;margin-bottom:10px;letter-spacing:0.03em}
.footer-col a{display:block;color:#b0bccc;text-decoration:none;font-size:0.82rem;padding:4px 0;transition:color var(--transition-fast);letter-spacing:0.02em}
.footer-col a:hover{color:var(--golden-yellow)}
.footer-download{max-width:1400px;margin:28px auto 0;padding:24px 20px;background:rgba(255,255,255,0.06);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.1)}
.footer-download-title{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:16px;letter-spacing:0.03em;text-align:center;display:flex;align-items:center;justify-content:center;gap:8px}
.footer-download-title::before,.footer-download-title::after{content:'';width:30px;height:2px;background:var(--golden-yellow);border-radius:1px;flex-shrink:0}
.footer-download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.footer-download-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--radius-md);background:var(--bg-white);border:1.5px solid transparent;text-decoration:none;transition:all var(--transition-smooth);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,0.15)}
.footer-download-card:hover{border-color:var(--golden-yellow);box-shadow:0 6px 20px rgba(0,0,0,0.3);transform:translateY(-3px);background:#fffef5}
.footer-download-card .app-icon{width:40px;height:40px;flex-shrink:0;border-radius:var(--radius-sm);object-fit:contain;display:block}
.footer-download-card .app-info{flex:1;min-width:0}
.footer-download-card .app-name{font-weight:700;font-size:0.88rem;color:var(--deep-blue);letter-spacing:0.02em;display:block}
.footer-download-card .app-sub{font-size:0.7rem;color:var(--text-light);display:block;margin-top:2px}

.footer-bottom{max-width:1400px;margin:20px auto 0;padding-top:16px;border-top:1px solid rgba(255,255,255,0.12);text-align:center;font-size:0.78rem;color:#9aa0b8;letter-spacing:0.02em}
.footer-bottom a{color:var(--bright-blue);text-decoration:none;margin:0 6px;font-weight:500}
.footer-bottom a:hover{color:var(--golden-yellow)}

@media (max-width:1280px){
    .hot-comics-grid{grid-template-columns:repeat(4,1fr)}
    .featured-grid{grid-template-columns:repeat(3,1fr)}
    .characters-grid{grid-template-columns:repeat(3,1fr)}
    .advantages-grid{grid-template-columns:repeat(2,1fr)}
    .footer-download-grid{grid-template-columns:repeat(2,1fr)}
    .content-sidebar{width:300px}
}
@media (max-width:1024px){
    .main-container{flex-direction:column;padding:16px 12px 28px}
    .content-sidebar{width:100%;position:static;max-height:none;overflow-y:visible;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .hot-comics-grid{grid-template-columns:repeat(3,1fr);gap:12px}
    .featured-grid{grid-template-columns:repeat(2,1fr)}
    .characters-grid{grid-template-columns:repeat(2,1fr)}
    .footer-download-grid{grid-template-columns:repeat(2,1fr)}
    .nav-links{display:none}
    .mobile-menu-toggle{display:flex}
    .top-nav{padding:0 14px;gap:10px}
    .nav-brand h1{font-size:1.25rem}
    .btn-nav{font-size:0.78rem;padding:7px 13px}
    .comic-detail-showcase{flex-direction:column;align-items:center}
    .comic-detail-cover{width:160px}
    .footer-inner{flex-wrap:wrap;gap:16px}
    .footer-col{flex:1 1 calc(50% - 16px);min-width:140px}
}
@media (max-width:768px){
    .hot-comics-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}
    .advantages-grid{grid-template-columns:1fr 1fr;gap:10px}
    .footer-download-grid{grid-template-columns:1fr 1fr;gap:10px}
    .content-sidebar{grid-template-columns:1fr}
    .stat-value{font-size:1.2rem}
    .section-block{padding:16px 12px}
    .section-title{font-size:1.05rem}
    .btn-cta{display:none}
    .btn-login{font-size:0.75rem;padding:6px 10px}
    .nav-brand h1{font-size:1.1rem}
    .top-nav{height:56px;padding:0 10px;gap:6px}
    :root{--nav-height:56px}
    .footer-inner{flex-direction:column;gap:16px}
    .footer-col{flex:1 1 auto;min-width:auto}
    .footer-download{padding:18px 12px}
    .footer-download-title{font-size:0.9rem}
}
@media (max-width:480px){
    .hot-comics-grid{grid-template-columns:repeat(2,1fr);gap:8px}
    .comic-card-info{padding:6px 8px 10px}
    .comic-card-title{font-size:0.78rem}
    .comic-card-meta{font-size:0.65rem}
    .stat-value{font-size:1rem}
    .footer-download-grid{grid-template-columns:1fr 1fr;gap:8px}
    .footer-download-card{padding:10px 12px;gap:8px}
    .footer-download-card .app-icon{width:32px;height:32px}
    .footer-download-card .app-name{font-size:0.78rem}
    .featured-grid{grid-template-columns:1fr}
}