:root {
    --primary: #4797b1;
    --primary-dark: #3a7d94;
    --primary-light: #6db8cf;
    --green-light: #c5ecbe;
    --green-lighter: #daf5d5;
    --yellow-warm: #f7f3ce;
    --yellow-lighter: #fcf9e8;
    --pink-soft: #ffdede;
    --pink-lighter: #ffefef;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background-color: #fafaf9;
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
.top-nav {
    width: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}
.top-nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 62px;
    gap: 16px;
}
.nav-brand {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--gray-900);
}
.nav-brand h1 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
    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(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nav-brand .brand-icon svg {
    width: 20px;
    height: 20px;
    fill: white;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0;
    margin: 0;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
    display: inline-block;
    padding: 8px 14px;
    text-decoration: none;
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 20px;
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
}
.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--primary);
    background: var(--yellow-lighter);
}
.nav-links a.active {
    color: var(--primary);
    background: var(--green-lighter);
    font-weight: 600;
}
.nav-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border-radius: 22px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.01em;
}
.btn-primary-nav {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(71, 151, 177, 0.35);
}
.btn-primary-nav:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 14px rgba(71, 151, 177, 0.45);
    transform: translateY(-1px);
}
.btn-outline-nav {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline-nav:hover {
    background: var(--primary);
    color: #fff;
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    color: var(--gray-700);
}
.mobile-menu-toggle:hover { background: var(--gray-100); }
.mobile-menu-toggle svg { width: 24px; height: 24px; }
.main-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 28px 24px 40px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 28px;
}
.content-area { min-width: 0; }
.sidebar {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.section-block {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 26px 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    margin-bottom: 22px;
    transition: var(--transition);
}
.section-block:hover { box-shadow: var(--shadow-md); }
.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
}
.section-title .title-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.section-title .title-icon.primary { background: var(--primary); color: #fff; }
.section-title .title-icon.green { background: var(--green-light); color: #2d6a4f; }
.section-title .title-icon.yellow { background: var(--yellow-warm); color: #8b6914; }
.section-title .title-icon.pink { background: var(--pink-soft); color: #c44; }
.section-subtitle {
    font-size: 0.88rem;
    color: var(--gray-500);
    margin-bottom: 18px;
    margin-top: 2px;
}
.comic-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.comic-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}
.comic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.comic-card-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--gray-100);
}
.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(--primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    z-index: 2;
    letter-spacing: 0.02em;
}
.comic-card-badge.hot { background: #e74c3c; }
.comic-card-badge.new { background: #27ae60; }
.comic-card-info {
    padding: 12px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.comic-card-info .comic-name {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--gray-900);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comic-card-info .comic-meta {
    font-size: 0.73rem;
    color: var(--gray-500);
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    line-height: 1.4;
}
.comic-card-info .comic-meta span {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.comic-card-info .comic-type-tag {
    display: inline-block;
    background: var(--yellow-warm);
    color: #7c6a0a;
    font-size: 0.68rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    align-self: flex-start;
    margin-top: 2px;
}
.sidebar .section-block {
    padding: 20px 18px;
    margin-bottom: 16px;
    border-radius: var(--radius);
}
.sidebar .section-title { font-size: 1.05rem; margin-bottom: 4px; }
.rank-list { list-style: none; padding: 0; margin: 0; }
.rank-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 8px;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
    cursor: pointer;
    border-radius: var(--radius-sm);
}
.rank-list li:last-child { border-bottom: none; }
.rank-list li:hover { background: var(--yellow-lighter); }
.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; font-size: 0.85rem; }
.rank-num.top2 { background: #f39c12; font-size: 0.82rem; }
.rank-num.top3 { background: #e67e22; font-size: 0.8rem; }
.rank-num.normal { background: #b0b8c1; font-size: 0.75rem; }
.rank-info { flex: 1; min-width: 0; }
.rank-info .rank-comic-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-info .rank-comic-stat { font-size: 0.72rem; color: var(--gray-500); }
.rank-change {
    font-weight: 600;
    font-size: 0.78rem;
    flex-shrink: 0;
}
.rank-change.up { color: #e74c3c; }
.rank-change.down { color: #27ae60; }
.stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.stat-item {
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    padding: 14px 12px;
    text-align: center;
    border: 1px solid var(--gray-100);
}
.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.stat-label { font-size: 0.72rem; color: var(--gray-500); margin-top: 3px; }
.stat-update-time {
    font-size: 0.68rem;
    color: var(--gray-400);
    text-align: center;
    margin-top: 8px;
    grid-column: 1 / -1;
}
.total-read-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: var(--radius);
    padding: 20px 18px;
    text-align: center;
}
.total-read-card .big-number {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
}
.total-read-card .big-unit { font-size: 0.9rem; opacity: 0.9; margin-left: 2px; }
.total-read-card .update-note { font-size: 0.7rem; opacity: 0.8; margin-top: 6px; }
.character-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.character-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 18px 14px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    cursor: pointer;
}
.character-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--pink-soft);
    background: var(--pink-lighter);
}
.character-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 10px;
    display: block;
    border: 3px solid var(--pink-soft);
}
.character-name { font-weight: 700; font-size: 0.95rem; color: var(--gray-900); }
.character-from { font-size: 0.75rem; color: var(--gray-500); margin-top: 2px; }
.character-desc {
    font-size: 0.73rem;
    color: var(--gray-600);
    margin-top: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.faq-list { list-style: none; padding: 0; }
.faq-list li {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}
.faq-list li:hover { background: var(--yellow-lighter); }
.faq-list li:last-child { border-bottom: none; }
.faq-question {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}
.faq-question .q-icon { color: var(--primary); font-weight: 700; font-size: 1rem; flex-shrink: 0; }
.faq-answer {
    font-size: 0.82rem;
    color: var(--gray-600);
    margin-top: 6px;
    padding-left: 22px;
    line-height: 1.5;
}
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.advantage-item {
    background: var(--green-lighter);
    border-radius: var(--radius);
    padding: 18px 14px;
    text-align: center;
    border: 1px solid var(--green-light);
    transition: var(--transition);
}
.advantage-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.advantage-item .adv-icon { font-size: 2rem; margin-bottom: 8px; display: block; }
.advantage-item .adv-title { font-weight: 700; font-size: 0.9rem; color: var(--gray-800); }
.advantage-item .adv-desc { font-size: 0.73rem; color: var(--gray-600); margin-top: 4px; line-height: 1.4; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud .tag {
    display: inline-block;
    padding: 7px 16px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: 1.5px solid transparent;
}
.tag-cloud .tag.tag-primary { background: #e8f4f8; color: var(--primary); border-color: var(--primary-light); }
.tag-cloud .tag.tag-green { background: var(--green-lighter); color: #2d6a4f; border-color: var(--green-light); }
.tag-cloud .tag.tag-yellow { background: var(--yellow-lighter); color: #7c6a0a; border-color: var(--yellow-warm); }
.tag-cloud .tag.tag-pink { background: var(--pink-lighter); color: #c44; border-color: var(--pink-soft); }
.tag-cloud .tag:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); filter: brightness(0.96); }
.app-download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.app-download-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px 14px;
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.app-download-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.app-download-card .app-icon { width: 44px; height: 44px; flex-shrink: 0; }
.app-download-card .app-name { font-weight: 700; font-size: 0.9rem; color: var(--gray-800); }
.app-download-card .app-version { font-size: 0.7rem; color: var(--gray-500); }
.app-download-card .btn-download-sm {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 16px;
    font-size: 0.78rem;
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}
.app-download-card .btn-download-sm:hover { background: var(--primary-dark); }
.comment-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.comment-item {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 16px 18px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.comment-item:hover { background: var(--white); box-shadow: var(--shadow); }
.comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.comment-user { font-weight: 600; font-size: 0.88rem; color: var(--gray-800); }
.comment-date { font-size: 0.7rem; color: var(--gray-400); }
.comment-text { font-size: 0.84rem; color: var(--gray-700); line-height: 1.6; }
.comment-stars { color: #f5a623; font-size: 0.8rem; letter-spacing: 2px; }
.footer-nav {
    width: 100%;
    background: var(--gray-900);
    color: #c9cdd4;
    padding: 40px 24px 28px;
    margin-top: 20px;
}
.footer-inner {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 12px; letter-spacing: 0.01em; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 7px; }
.footer-col ul li a { color: #9ca3af; text-decoration: none; font-size: 0.82rem; transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
    max-width: 1320px;
    margin: 24px auto 0;
    padding-top: 20px;
    border-top: 1px solid #374151;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: #6b7280;
}
.footer-bottom a {
    color: #9ca3af;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 16px;
    background: #1f2937;
    transition: var(--transition);
    font-size: 0.78rem;
    white-space: nowrap;
}
.footer-bottom a:hover { color: #fff; background: #374151; }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: var(--shadow-xl); }
.back-to-top svg { width: 20px; height: 20px; }
@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .main-container { grid-template-columns: 1fr 300px; gap: 20px; padding: 20px 16px 32px; }
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .app-download-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }
}
@media (max-width: 992px) {
    .comic-grid { grid-template-columns: repeat(3, 1fr); }
    .main-container { grid-template-columns: 1fr 280px; gap: 16px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: repeat(2, 1fr); }
    .nav-links a { padding: 6px 10px; font-size: 0.8rem; }
}
@media (max-width: 768px) {
    .main-container { grid-template-columns: 1fr; padding: 14px 10px 24px; }
    .sidebar { order: 10; }
    .comic-grid { 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; }
    .app-download-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stats-row { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
    .top-nav-inner { height: 54px; padding: 0 12px; gap: 8px; }
    .nav-links { gap: 2px; }
    .nav-links a { padding: 6px 9px; font-size: 0.75rem; border-radius: 14px; }
    .nav-brand h1 { font-size: 1.15rem; }
    .btn-nav { padding: 7px 14px; font-size: 0.78rem; }
    .section-block { padding: 16px 14px; margin-bottom: 14px; }
    .section-title { font-size: 1.1rem; }
    .comic-card-info { padding: 8px 10px; }
    .comic-card-info .comic-name { font-size: 0.8rem; }
    .comic-card-info .comic-meta { font-size: 0.67rem; }
    .back-to-top { bottom: 20px; right: 16px; width: 38px; height: 38px; }
    .mobile-menu-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 62px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 12px;
        border-bottom: 2px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        z-index: 999;
        gap: 2px;
    }
    .nav-links.mobile-open { display: flex; }
    .nav-links a { width: 100%; text-align: center; padding: 10px; border-radius: var(--radius-sm); font-size: 0.9rem; }
}
@media (max-width: 480px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .advantage-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .app-download-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stats-row { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .stat-value { font-size: 1.1rem; }
    .footer-inner { grid-template-columns: 1fr; gap: 16px; }
    .nav-brand h1 { font-size: 1rem; }
    .btn-nav { padding: 6px 10px; font-size: 0.7rem; border-radius: 16px; }
    .top-nav-inner { height: 48px; padding: 0 8px; gap: 4px; }
    .section-block { padding: 12px 10px; border-radius: var(--radius-sm); }
    .total-read-card .big-number { font-size: 1.6rem; }
    .comment-text { font-size: 0.78rem; }
}