:root {
    --color-deep: #1f4e5f;
    --color-mid: #79a8a9;
    --color-light: #aacfd0;
    --color-bg: #f4f7f7;
    --color-white: #ffffff;
    --color-text: #2c3e3f;
    --color-text-light: #5a7075;
    --color-accent: #e8815b;
    --color-gold: #c8944a;
    --color-border: #dce8e8;
    --shadow-sm: 0 1px 3px rgba(31, 78, 95, 0.06);
    --shadow-md: 0 4px 16px rgba(31, 78, 95, 0.10);
    --shadow-lg: 0 8px 32px rgba(31, 78, 95, 0.14);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1340px;
    --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", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    width: 100%;
    background: var(--color-deep);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(31, 78, 95, 0.25);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    gap: 18px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    text-decoration: none;
}

.header-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-deep);
    flex-shrink: 0;
    letter-spacing: 1px;
}

.site-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.5px;
    white-space: nowrap;
    margin: 0;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.header-nav a {
    color: #d0e2e3;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.header-nav a:hover,
.header-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.13);
    color: #ffffff;
    outline: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 22px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.3px;
}
.btn-login:hover {
    background: #d4744f;
    box-shadow: 0 4px 14px rgba(232, 129, 91, 0.35);
    transform: translateY(-1px);
}

.btn-login-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-shrink: 0;
}
.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: #fff;
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}

.main-container {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 24px 20px 40px;
    display: flex;
    gap: 28px;
    width: 100%;
}

.content-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.content-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.section-block {
    background: var(--color-white);
    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-deep);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--color-light);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.4px;
}
.section-title::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 22px;
    background: var(--color-accent);
    border-radius: 3px;
    flex-shrink: 0;
}

.section-subtitle {
    font-size: 0.88rem;
    color: var(--color-text-light);
    margin-top: -10px;
    margin-bottom: 16px;
    letter-spacing: 0.2px;
}

.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(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-mid);
}

.comic-card-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #e8edee;
    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-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 12px;
    letter-spacing: 0.3px;
    z-index: 2;
}
.comic-card-badge.hot {
    background: #e84a4a;
}
.comic-card-badge.new {
    background: #4a9ce8;
}

.comic-card-info {
    padding: 11px 12px 13px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}
.comic-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-deep);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.3px;
}
.comic-card-meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.4;
}
.comic-card-meta span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.comic-card-type {
    display: inline-block;
    font-size: 0.7rem;
    background: #eaf4f5;
    color: var(--color-deep);
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.comic-detail-inner {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}
.comic-detail-cover {
    width: 180px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: #e8edee;
    box-shadow: var(--shadow-md);
}
.comic-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.comic-detail-text {
    flex: 1;
    min-width: 240px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.comic-detail-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-deep);
    letter-spacing: 0.3px;
}
.comic-detail-text .detail-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.88rem;
    color: var(--color-text-light);
}
.comic-detail-text .detail-row strong {
    color: var(--color-deep);
    min-width: 50px;
}
.comic-detail-desc {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.7;
    letter-spacing: 0.2px;
}

.character-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}
.character-card {
    background: #fafcfc;
    border-radius: var(--radius-md);
    padding: 14px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.character-card:hover {
    border-color: var(--color-mid);
    box-shadow: var(--shadow-sm);
}
.character-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 10px;
    display: block;
    background: #e8edee;
    border: 3px solid var(--color-light);
}
.character-name {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--color-deep);
    letter-spacing: 0.3px;
}
.character-role {
    font-size: 0.76rem;
    color: var(--color-text-light);
    margin-top: 2px;
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.comment-item {
    display: flex;
    gap: 14px;
    padding: 16px;
    background: #fafcfc;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.comment-item:hover {
    border-color: var(--color-light);
    background: #fff;
}
.comment-body {
    flex: 1;
    min-width: 0;
}
.comment-user {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--color-deep);
    letter-spacing: 0.2px;
}
.user-tag {
    font-weight: 400;
    font-size: 0.75rem;
    color: #fff;
    background: var(--color-mid);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
}
.comment-time {
    font-size: 0.73rem;
    color: #999;
    margin-left: 8px;
}
.comment-text {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.65;
    margin-top: 4px;
    letter-spacing: 0.2px;
}

.sidebar-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}
.sidebar-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-light);
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.sidebar-rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sidebar-rank-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.85rem;
    letter-spacing: 0.2px;
}
.sidebar-rank-list li:hover {
    background: #f6fafa;
}
.rank-num {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
    color: #fff;
}
.rank-num.top1 { background: #e84a4a; }
.rank-num.top2 { background: #e8815b; }
.rank-num.top3 { background: #c8944a; }
.rank-num.normal { background: #b0c4c5; color: #fff; }
.rank-info { flex: 1; min-width: 0; }
.rank-title {
    font-weight: 600;
    color: var(--color-deep);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.84rem;
}
.rank-sub {
    font-size: 0.72rem;
    color: var(--color-text-light);
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.stat-item {
    background: #f6fafa;
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    border: 1px solid var(--color-border);
}
.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-deep);
    letter-spacing: 0.3px;
}
.stat-label {
    font-size: 0.73rem;
    color: var(--color-text-light);
    margin-top: 2px;
}
.stat-full {
    grid-column: 1 / -1;
}
.update-time {
    font-size: 0.72rem;
    color: #999;
    text-align: center;
    margin-top: 6px;
    letter-spacing: 0.2px;
}

.platform-intro-text {
    font-size: 0.92rem;
    color: var(--color-text);
    line-height: 1.75;
    letter-spacing: 0.25px;
    text-align: justify;
}
.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin-top: 16px;
}
.feature-item {
    text-align: center;
    padding: 14px 10px;
    background: #f6fafa;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.feature-item .feature-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
    color: var(--color-mid);
}
.feature-item .feature-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-deep);
    letter-spacing: 0.2px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 18px 10px;
    background: #f6fafa;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}
.download-card:hover {
    border-color: var(--color-mid);
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.download-card .app-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}
.download-card .dl-label {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-deep);
    letter-spacing: 0.3px;
}
.download-card .dl-sub {
    font-size: 0.7rem;
    color: var(--color-text-light);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.featured-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    background: linear-gradient(135deg, #fdfefe 0%, #f6fafa 100%);
}
.featured-card:hover {
    border-color: var(--color-mid);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.featured-card-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
    background: #e8edee;
}
.featured-card-info {
    padding: 10px 12px;
}
.featured-card-info h5 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-deep);
    letter-spacing: 0.2px;
}
.featured-card-info p {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 3px;
}

.site-footer {
    width: 100%;
    background: var(--color-deep);
    color: #c5d8da;
    padding: 32px 20px 20px;
    margin-top: auto;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}
.footer-col a {
    display: block;
    color: #b8cfd2;
    text-decoration: none;
    font-size: 0.83rem;
    padding: 3px 0;
    transition: var(--transition);
    letter-spacing: 0.2px;
}
.footer-col a:hover {
    color: #fff;
    text-decoration: underline;
}
.footer-bottom {
    max-width: var(--max-width);
    margin: 20px auto 0;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    font-size: 0.78rem;
    color: #9bb5b8;
    letter-spacing: 0.2px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
}
.footer-bottom a {
    color: #c5d8da;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.footer-bottom a:hover {
    color: #fff;
    text-decoration: underline;
}

@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .content-sidebar { width: 300px; }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
    .main-container { flex-direction: column; gap: 24px; }
    .content-sidebar { width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .content-sidebar .sidebar-card { margin: 0; }
    .comic-grid { grid-template-columns: repeat(4, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .character-list { grid-template-columns: repeat(3, 1fr); }
    .download-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
    .header-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-deep);
        flex-direction: column;
        padding: 12px 20px;
        gap: 2px;
        box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        z-index: 999;
    }
    .header-nav.active { display: flex; }
    .header-nav a { padding: 10px 16px; border-radius: 8px; font-size: 0.9rem; }
    .mobile-menu-toggle { display: block; }
    .comic-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .content-sidebar { grid-template-columns: 1fr; }
    .comic-detail-inner { flex-direction: column; align-items: center; text-align: center; }
    .comic-detail-cover { width: 150px; }
    .character-list { grid-template-columns: repeat(2, 1fr); }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .platform-features { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: 1.1rem; }
}
@media (max-width: 480px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .comic-card-info { padding: 8px 9px 10px; }
    .comic-card-title { font-size: 0.82rem; }
    .comic-card-meta { font-size: 0.7rem; }
    .header-inner { padding: 0 12px; height: 52px; }
    .site-title { font-size: 1.15rem; }
    .btn-login { padding: 6px 13px; font-size: 0.8rem; }
    .character-list { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .download-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .featured-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .comment-item { flex-direction: column; align-items: flex-start; gap: 8px; }
    .section-block { padding: 16px 12px; }
    .footer-inner { flex-direction: column; gap: 16px; align-items: center; text-align: center; }
}