:root {
    --color-highlight: #a7ff83;
    --color-accent: #17b978;
    --color-primary: #086972;
    --color-dark: #071a52;
    --color-dark-light: #0a2468;
    --color-card: #0c1f5c;
    --color-card-hover: #0f2a70;
    --color-text: #e8ecf1;
    --color-text-secondary: #b0bec5;
    --color-text-muted: #78909c;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-white: #ffffff;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
    --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    --max-width: 1400px;
    --sidebar-width: 340px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: #040d2e;
    background-image:
        radial-gradient(ellipse at 20% 10%, rgba(8, 105, 114, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 5%, rgba(23, 185, 120, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 60%, rgba(7, 26, 82, 0.9) 0%, transparent 70%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.top-nav {
    width: 100%;
    background: rgba(7, 26, 82, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-nav);
    transition: background var(--transition-normal);
}

.top-nav.scrolled {
    background: rgba(7, 26, 82, 0.98);
    border-bottom: 1px solid rgba(167, 255, 131, 0.15);
}

.top-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 64px;
    gap: 16px;
}

.nav-brand {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-white);
    transition: opacity var(--transition-fast);
}
.nav-brand:hover { opacity: 0.9; }
.nav-brand .brand-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-highlight));
    display: flex; align-items: center; justify-content: center;
    font-weight: 900; font-size: 20px;
    color: var(--color-dark); flex-shrink: 0;
}
.nav-brand h1 {
    font-size: 1.35rem; font-weight: 700;
    letter-spacing: 0.5px; color: var(--color-white);
    font-family: var(--font-heading); white-space: nowrap; margin: 0;
}

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; flex-wrap: nowrap; }
.nav-links li a {
    display: inline-block; padding: 8px 16px; border-radius: 20px;
    text-decoration: none; color: var(--color-text-secondary);
    font-size: 0.9rem; font-weight: 500; transition: all var(--transition-fast);
    white-space: nowrap; letter-spacing: 0.3px;
}
.nav-links li a:hover, .nav-links li a:focus { color: var(--color-highlight); background: rgba(167, 255, 131, 0.06); }
.nav-links li a.nav-active { color: var(--color-highlight); background: rgba(167, 255, 131, 0.1); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-nav {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px; border-radius: 22px; font-size: 0.88rem; font-weight: 600;
    text-decoration: none; cursor: pointer; border: none;
    transition: all var(--transition-fast); white-space: nowrap; letter-spacing: 0.3px;
}
.btn-login { background: transparent; color: var(--color-text); border: 1.5px solid rgba(255,255,255,0.25); }
.btn-login:hover { border-color: var(--color-highlight); color: var(--color-highlight); background: rgba(167,255,131,0.04); }
.btn-read { background: linear-gradient(135deg, var(--color-accent), #1cc97a); color: #fff; box-shadow: 0 4px 16px rgba(23,185,120,0.35); }
.btn-read:hover { box-shadow: 0 6px 24px rgba(23,185,120,0.5); transform: translateY(-1px); background: linear-gradient(135deg, #1cc97a, var(--color-highlight)); color: var(--color-dark); }

.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; color: var(--color-text); flex-shrink: 0; }
.mobile-menu-toggle svg { width: 26px; height: 26px; }

.main-container { max-width: var(--max-width); margin: 0 auto; display: flex; gap: 28px; padding: 28px; min-height: 60vh; }
.content-area { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 36px; }
.sidebar { width: var(--sidebar-width); flex-shrink: 0; display: flex; flex-direction: column; gap: 22px; }

.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.section-title { font-size: 1.4rem; font-weight: 700; color: var(--color-white); letter-spacing: 0.5px; font-family: var(--font-heading); position: relative; padding-left: 16px; }
.section-title::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 22px; border-radius: 2px; background: var(--color-highlight); }
.section-subtitle { font-size: 0.85rem; color: var(--color-text-muted); letter-spacing: 0.3px; }
.section-link { font-size: 0.85rem; color: var(--color-accent); text-decoration: none; font-weight: 500; transition: color var(--transition-fast); white-space: nowrap; }
.section-link:hover { color: var(--color-highlight); }

.comic-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.comic-card { background: var(--color-card); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition-normal); cursor: pointer; border: 1px solid var(--color-border); display: flex; flex-direction: column; position: relative; }
.comic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(167,255,131,0.2); background: var(--color-card-hover); }
.comic-card .card-img-wrap { position: relative; width: 100%; aspect-ratio: 2/3; overflow: hidden; background: #0a1a45; }
.comic-card .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; background: #0a1a45; }
.comic-card:hover .card-img-wrap img { transform: scale(1.06); }
.comic-card .card-badge { position: absolute; top: 8px; left: 8px; background: var(--color-accent); color: #fff; font-size: 0.7rem; font-weight: 700; padding: 3px 10px; border-radius: 12px; letter-spacing: 0.5px; z-index: 2; }
.comic-card .card-badge.hot { background: #e74c3c; }
.comic-card .card-badge.new { background: var(--color-accent); }
.comic-card .card-info { padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.comic-card .card-title { font-weight: 700; font-size: 0.95rem; color: var(--color-white); line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; letter-spacing: 0.3px; }
.comic-card .card-meta { font-size: 0.75rem; color: var(--color-text-muted); display: flex; flex-wrap: wrap; gap: 4px 8px; line-height: 1.5; }
.comic-card .card-meta span { display: inline-block; background: rgba(255,255,255,0.04); padding: 2px 8px; border-radius: 10px; font-size: 0.7rem; }
.comic-card .card-tag { display: inline-block; font-size: 0.68rem; color: var(--color-highlight); background: rgba(167,255,131,0.08); padding: 2px 8px; border-radius: 10px; font-weight: 500; }

.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.featured-card { background: var(--color-card); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--transition-normal); cursor: pointer; display: flex; flex-direction: column; }
.featured-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(167,255,131,0.25); }
.featured-card .feat-img-wrap { width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #0a1a45; position: relative; }
.featured-card .feat-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.45s ease; background: #0a1a45; }
.featured-card:hover .feat-img-wrap img { transform: scale(1.05); }
.featured-card .feat-info { padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.featured-card .feat-title { font-weight: 700; font-size: 1.1rem; color: var(--color-white); letter-spacing: 0.3px; }
.featured-card .feat-desc { font-size: 0.82rem; color: var(--color-text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.detail-card { background: var(--color-card); border-radius: var(--radius-lg); padding: 28px 30px; border: 1px solid var(--color-border); display: flex; gap: 24px; flex-wrap: wrap; }
.detail-card .detail-img { width: 180px; height: 250px; border-radius: var(--radius-md); overflow: hidden; flex-shrink: 0; background: #0a1a45; }
.detail-card .detail-img img { width: 100%; height: 100%; object-fit: cover; display: block; background: #0a1a45; }
.detail-card .detail-content { flex: 1; min-width: 260px; display: flex; flex-direction: column; gap: 12px; }
.detail-card .detail-content h3 { font-size: 1.3rem; font-weight: 700; color: var(--color-white); letter-spacing: 0.4px; }
.detail-card .detail-meta-row { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 0.85rem; color: var(--color-text-secondary); }
.detail-card .detail-meta-row strong { color: var(--color-highlight); font-weight: 600; }
.detail-card .detail-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }

.character-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.character-card { background: var(--color-card); border-radius: var(--radius-md); padding: 18px; text-align: center; border: 1px solid var(--color-border); transition: all var(--transition-normal); cursor: pointer; }
.character-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(167,255,131,0.2); }
.character-card .char-avatar { width: 90px; height: 90px; border-radius: 50%; overflow: hidden; margin: 0 auto 12px; background: #0a1a45; border: 3px solid rgba(167,255,131,0.3); }
.character-card .char-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; background: #0a1a45; }
.character-card .char-name { font-weight: 700; font-size: 0.95rem; color: var(--color-white); margin-bottom: 4px; }
.character-card .char-role { font-size: 0.75rem; color: var(--color-highlight); font-weight: 500; }
.character-card .char-desc { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 6px; line-height: 1.5; }

.comments-list { display: flex; flex-direction: column; gap: 14px; }
.comment-item { background: var(--color-card); border-radius: var(--radius-md); padding: 16px 20px; border: 1px solid var(--color-border); transition: all var(--transition-fast); }
.comment-item:hover { border-color: rgba(255,255,255,0.12); background: var(--color-card-hover); }
.comment-item .comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.comment-item .comment-user { font-weight: 600; font-size: 0.88rem; color: var(--color-white); }
.comment-item .comment-time { font-size: 0.72rem; color: var(--color-text-muted); margin-left: auto; }
.comment-item .comment-text { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.7; }
.comment-item .comment-stars { color: #f0c040; font-size: 0.8rem; letter-spacing: 2px; }

.platform-intro { background: linear-gradient(135deg, rgba(8,105,114,0.2), rgba(7,26,82,0.6)); border-radius: var(--radius-lg); padding: 30px 32px; border: 1px solid rgba(167,255,131,0.1); display: flex; gap: 28px; flex-wrap: wrap; align-items: center; }
.platform-intro .intro-text { flex: 1; min-width: 260px; }
.platform-intro .intro-text h3 { font-size: 1.3rem; font-weight: 700; color: var(--color-white); margin-bottom: 12px; letter-spacing: 0.4px; }
.platform-intro .intro-text p { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.8; margin-bottom: 8px; }
.platform-intro .intro-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.platform-intro .intro-stat { text-align: center; min-width: 70px; }
.platform-intro .intro-stat .stat-num { font-size: 1.8rem; font-weight: 800; color: var(--color-highlight); letter-spacing: 1px; }
.platform-intro .intro-stat .stat-label { font-size: 0.75rem; color: var(--color-text-muted); }

.app-download { background: var(--color-card); border-radius: var(--radius-lg); padding: 30px 32px; border: 1px solid var(--color-border); display: flex; gap: 24px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.app-download .app-info h3 { font-size: 1.25rem; font-weight: 700; color: var(--color-white); margin-bottom: 8px; letter-spacing: 0.4px; }
.app-download .app-info p { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.6; }
.app-download .app-buttons { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn-download { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 25px; font-weight: 600; font-size: 0.88rem; text-decoration: none; transition: all var(--transition-fast); white-space: nowrap; letter-spacing: 0.3px; cursor: pointer; border: none; }
.btn-android { background: #3ddc84; color: #000; box-shadow: 0 4px 14px rgba(61,220,132,0.3); }
.btn-android:hover { box-shadow: 0 6px 22px rgba(61,220,132,0.45); transform: translateY(-2px); }
.btn-ios { background: #1c1c1e; color: #fff; border: 1.5px solid rgba(255,255,255,0.3); box-shadow: 0 4px 14px rgba(0,0,0,0.3); }
.btn-ios:hover { border-color: #fff; transform: translateY(-2px); box-shadow: 0 6px 22px rgba(0,0,0,0.4); }
.btn-pc { background: #52616b; color: #fff; box-shadow: 0 4px 14px rgba(82,97,107,0.3); }
.btn-pc:hover { box-shadow: 0 6px 22px rgba(82,97,107,0.45); transform: translateY(-2px); }
.btn-mac { background: #2c2c2e; color: #fff; border: 1.5px solid rgba(255,255,255,0.25); box-shadow: 0 4px 14px rgba(0,0,0,0.3); }
.btn-mac:hover { border-color: #fff; transform: translateY(-2px); box-shadow: 0 6px 22px rgba(0,0,0,0.4); }
.app-icon { flex-shrink: 0; }

.sidebar-card { background: var(--color-card); border-radius: var(--radius-md); padding: 18px 16px; border: 1px solid var(--color-border); }
.sidebar-card .sidebar-title { font-weight: 700; font-size: 1rem; color: var(--color-white); margin-bottom: 14px; padding-left: 12px; border-left: 3px solid var(--color-highlight); letter-spacing: 0.4px; }
.rank-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.rank-list li { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: var(--radius-sm); transition: all var(--transition-fast); cursor: pointer; border: 1px solid transparent; }
.rank-list li:hover { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.06); }
.rank-list .rank-num { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.8rem; flex-shrink: 0; color: #fff; }
.rank-num.top1 { background: #e74c3c; } .rank-num.top2 { background: #e67e22; } .rank-num.top3 { background: #f39c12; } .rank-num.normal { background: rgba(255,255,255,0.1); color: var(--color-text-muted); }
.rank-list .rank-cover { width: 42px; height: 56px; border-radius: 4px; overflow: hidden; flex-shrink: 0; background: #0a1a45; }
.rank-list .rank-cover img { width: 100%; height: 100%; object-fit: cover; display: block; background: #0a1a45; }
.rank-list .rank-info { flex: 1; min-width: 0; }
.rank-list .rank-name { font-weight: 600; font-size: 0.85rem; color: var(--color-white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-list .rank-stat { font-size: 0.7rem; color: var(--color-text-muted); }
.rank-list .rank-change { font-size: 0.72rem; font-weight: 600; } .rank-change.up { color: #e74c3c; } .rank-change.down { color: #17b978; }

.total-read-card { text-align: center; padding: 20px 16px; }
.total-read-card .total-num { font-size: 2.4rem; font-weight: 800; color: var(--color-highlight); letter-spacing: 2px; line-height: 1; }
.total-read-card .total-label { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 4px; }
.total-read-card .total-update { font-size: 0.7rem; color: var(--color-text-muted); margin-top: 6px; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; }
.stats-grid .stat-item { padding: 10px 6px; background: rgba(255,255,255,0.02); border-radius: var(--radius-sm); }
.stats-grid .stat-val { font-size: 1.3rem; font-weight: 700; color: var(--color-highlight); }
.stats-grid .stat-lbl { font-size: 0.68rem; color: var(--color-text-muted); margin-top: 2px; }

.bottom-nav { width: 100%; background: rgba(7,26,82,0.95); border-top: 1px solid rgba(255,255,255,0.06); padding: 40px 28px 28px; margin-top: 40px; }
.bottom-nav-inner { max-width: var(--max-width); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; align-items: flex-start; }
.bottom-col h4 { font-weight: 700; font-size: 1rem; color: var(--color-white); margin-bottom: 12px; letter-spacing: 0.3px; }
.bottom-col a { display: block; color: var(--color-text-secondary); text-decoration: none; font-size: 0.82rem; padding: 4px 0; transition: color var(--transition-fast); }
.bottom-col a:hover { color: var(--color-highlight); }
.bottom-col .app-download-links { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.bottom-col .app-download-links a { display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border-radius: 16px; font-size: 0.78rem; font-weight: 500; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); transition: all var(--transition-fast); }
.bottom-col .app-download-links a:hover { border-color: var(--color-highlight); color: var(--color-highlight); background: rgba(167,255,131,0.05); }
.bottom-copyright { max-width: var(--max-width); margin: 20px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.06); text-align: center; font-size: 0.75rem; color: var(--color-text-muted); }

@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .sidebar { width: 300px; } :root { --sidebar-width: 300px; }
    .nav-links li a { padding: 6px 10px; font-size: 0.8rem; }
}
@media (max-width: 992px) {
    .main-container { flex-direction: column; padding: 20px 16px; gap: 24px; }
    .sidebar { width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .comic-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { display: none; } .mobile-menu-toggle { display: block; }
    .top-nav-inner { padding: 0 16px; height: 56px; }
    .detail-card { flex-direction: column; align-items: center; text-align: center; }
    .detail-card .detail-img { width: 140px; height: 200px; }
    .app-download { flex-direction: column; text-align: center; }
    .app-download .app-buttons { justify-content: center; }
    .platform-intro { flex-direction: column; text-align: center; }
    .platform-intro .intro-stats { justify-content: center; }
}
@media (max-width: 640px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .featured-grid { grid-template-columns: 1fr; gap: 12px; }
    .sidebar { grid-template-columns: 1fr; }
    .bottom-nav-inner { flex-direction: column; gap: 20px; align-items: center; text-align: center; }
}
.mobile-nav-panel { display: none; position: fixed; top: 56px; left: 0; right: 0; background: rgba(7,26,82,0.98); backdrop-filter: blur(16px); z-index: 999; padding: 16px; border-bottom: 1px solid rgba(255,255,255,0.08); flex-direction: column; gap: 6px; }
.mobile-nav-panel.active { display: flex; }
.mobile-nav-panel a { display: block; padding: 10px 16px; border-radius: 20px; text-decoration: none; color: var(--color-text-secondary); font-weight: 500; font-size: 0.9rem; }
.mobile-nav-panel a:hover, .mobile-nav-panel a.nav-active { color: var(--color-highlight); background: rgba(167,255,131,0.06); }
.back-to-top { position: fixed; bottom: 30px; right: 24px; width: 44px; height: 44px; border-radius: 50%; background: var(--color-accent); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 900; box-shadow: 0 4px 16px rgba(23,185,120,0.4); transition: all var(--transition-fast); text-decoration: none; font-size: 1.2rem; font-weight: 700; border: none; }
.back-to-top:hover { background: var(--color-highlight); color: var(--color-dark); transform: translateY(-3px); box-shadow: 0 6px 22px rgba(167,255,131,0.5); }
@keyframes pulse-update { 0%,100% { opacity: 0.7; } 50% { opacity: 1; } }
.live-update { animation: pulse-update 2s ease-in-out infinite; }