:root {
    --color-deep: #1a3c40;
    --color-mid-dark: #144d53;
    --color-mid: #307672;
    --color-light: #e4eddb;
    --color-white: #ffffff;
    --color-text: #2c2c2c;
    --color-text-light: #5a5a5a;
    --color-border: #d8e0cf;
    --color-accent: #307672;
    --color-star: #e8a840;
    --color-tag-bg: #e8f0e3;
    --shadow-sm: 0 1px 3px rgba(26, 60, 64, 0.08);
    --shadow-md: 0 4px 16px rgba(26, 60, 64, 0.12);
    --shadow-lg: 0 8px 32px rgba(26, 60, 64, 0.16);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --transition: 0.25s ease;
    --max-width: 1320px;
    --sidebar-width: 370px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background-color: #f5f7f2;
    color: var(--color-text);
    line-height: 1.6;
    min-width: 320px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.top-nav {
    width: 100%;
    background: var(--color-deep);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}
.top-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 58px;
}
.top-nav .site-name {
    flex-shrink: 0;
}
.top-nav .site-name h1 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--color-light);
    letter-spacing: 1.5px;
    margin: 0;
    line-height: 1;
    white-space: nowrap;
}
.top-nav .site-name h1 span {
    color: #5cc9b5;
}
.top-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 9px 18px;
    border-radius: 22px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn-read {
    background: var(--color-mid);
    color: #fff;
    border-color: var(--color-mid);
}
.btn-read:hover {
    background: #3d8a84;
    border-color: #3d8a84;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(48, 118, 114, 0.4);
}
.btn-download-nav {
    background: transparent;
    color: var(--color-light);
    border-color: var(--color-light);
}
.btn-download-nav:hover {
    background: rgba(228, 237, 219, 0.12);
    border-color: #fff;
}

.category-nav {
    width: 100%;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 58px;
    z-index: 999;
    box-shadow: var(--shadow-sm);
}
.category-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 20px;
    height: 44px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
}
.category-nav-inner::-webkit-scrollbar {
    display: none;
}
.category-nav-inner a {
    display: inline-block;
    padding: 7px 16px;
    font-size: 0.88rem;
    color: var(--color-text-light);
    text-decoration: none;
    border-radius: 18px;
    white-space: nowrap;
    transition: var(--transition);
    flex-shrink: 0;
    font-weight: 500;
}
.category-nav-inner a:hover,
.category-nav-inner a:focus {
    background: var(--color-tag-bg);
    color: var(--color-mid-dark);
}
.category-nav-inner a.active {
    background: var(--color-mid);
    color: #fff;
    font-weight: 600;
}

.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    gap: 28px;
    padding: 24px 20px 40px;
}
.content-left {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.sidebar-right {
    width: var(--sidebar-width);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #eef3ea;
    transition: var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-md);
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-light);
    flex-wrap: wrap;
    gap: 8px;
}
.card-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-deep);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-header h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--color-mid);
    border-radius: 2px;
    flex-shrink: 0;
}
.badge-more {
    font-size: 0.82rem;
    color: var(--color-mid);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}
.badge-more:hover {
    color: var(--color-mid-dark);
    text-decoration: underline;
}

.comic-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.comic-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid #eef3ea;
    display: flex;
    flex-direction: column;
}
.comic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #d0dcc5;
}
.comic-card .comic-cover {
    width: 100%;
    aspect-ratio: 5 / 7;
    overflow: hidden;
    background: #e8ece5;
    position: relative;
}
.comic-card .comic-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.comic-card:hover .comic-cover img {
    transform: scale(1.06);
}
.comic-card .comic-type-tag {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--color-mid);
    color: #fff;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 10px;
    font-weight: 600;
    z-index: 2;
    letter-spacing: 0.5px;
}
.comic-card .comic-info {
    padding: 10px 12px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.comic-card .comic-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-deep);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}
.comic-card .comic-meta {
    font-size: 0.72rem;
    color: #888;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comic-card .comic-meta span {
    display: inline-block;
}
.comic-card .comic-meta .meta-label {
    color: #aaa;
    margin-right: 2px;
}

.sidebar-right .card {
    padding: 16px 18px;
}
.sidebar-right .card-header h2 {
    font-size: 1.05rem;
}
.sidebar-right .card-header h2::before {
    height: 16px;
    width: 3px;
}

.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: #fafcfa;
}
.rank-list li:hover {
    background: #f0f5ec;
}
.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;
    background: #b0b8a8;
}
.rank-list li:nth-child(1) .rank-num {
    background: #e8a840;
    font-size: 0.9rem;
}
.rank-list li:nth-child(2) .rank-num {
    background: #c0a080;
    font-size: 0.85rem;
}
.rank-list li:nth-child(3) .rank-num {
    background: #b8946e;
    font-size: 0.82rem;
}
.rank-thumb {
    width: 44px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
    background: #e8ece5;
}
.rank-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.rank-info {
    flex: 1;
    min-width: 0;
}
.rank-info .rank-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-deep);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-info .rank-sub {
    font-size: 0.72rem;
    color: #999;
    margin-top: 2px;
}
.rank-change {
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
    white-space: nowrap;
}
.rank-change.up {
    color: #e8553d;
}
.rank-change.stable {
    color: #888;
}

.stats-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.stat-item {
    flex: 1;
    min-width: 70px;
    text-align: center;
    background: #f9fbf7;
    border-radius: var(--radius-sm);
    padding: 14px 8px;
    border: 1px solid #eef3ea;
}
.stat-item .stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-mid);
    line-height: 1.1;
}
.stat-item .stat-label {
    font-size: 0.72rem;
    color: #999;
    margin-top: 4px;
}
.update-time {
    font-size: 0.7rem;
    color: #b0b0b0;
    text-align: right;
    margin-top: 6px;
}

.comment-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 620px;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-width: thin;
    scrollbar-color: #d0d8c5 transparent;
}
.comment-list::-webkit-scrollbar {
    width: 4px;
}
.comment-list::-webkit-scrollbar-track {
    background: transparent;
}
.comment-list::-webkit-scrollbar-thumb {
    background: #d0d8c5;
    border-radius: 4px;
}
.comment-item {
    background: #fafcfa;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    border-left: 3px solid var(--color-light);
    transition: var(--transition);
}
.comment-item:hover {
    border-left-color: var(--color-mid);
    background: #f5f9f2;
}
.comment-item .comment-user {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--color-mid-dark);
    margin-bottom: 3px;
}
.comment-item .comment-text {
    font-size: 0.78rem;
    color: #666;
    line-height: 1.5;
}
.comment-item .comment-time {
    font-size: 0.68rem;
    color: #bbb;
    margin-top: 4px;
    text-align: right;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.advantage-item {
    text-align: center;
    padding: 18px 12px;
    background: #fafcfa;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}
.advantage-item:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
    background: #fff;
}
.advantage-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
}
.advantage-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}
.advantage-item h4 {
    font-size: 0.95rem;
    color: var(--color-deep);
    margin-bottom: 4px;
}
.advantage-item p {
    font-size: 0.75rem;
    color: #999;
    line-height: 1.4;
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.character-card {
    text-align: center;
    background: #fafcfa;
    border-radius: var(--radius-md);
    padding: 16px 10px;
    transition: var(--transition);
    border: 1px solid transparent;
}
.character-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}
.character-card .char-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 10px;
    background: #e8ece5;
    border: 3px solid var(--color-light);
}
.character-card .char-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.character-card h4 {
    font-size: 0.9rem;
    color: var(--color-deep);
    font-weight: 700;
}
.character-card .char-role {
    font-size: 0.72rem;
    color: var(--color-mid);
    font-weight: 500;
    margin: 2px 0;
}
.character-card .char-desc {
    font-size: 0.7rem;
    color: #999;
    line-height: 1.4;
    margin-top: 4px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.faq-item {
    border: 1px solid #eef3ea;
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item summary {
    padding: 12px 16px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-deep);
    background: #fafcfa;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}
.faq-item summary::after {
    content: '+';
    font-size: 1.2rem;
    color: var(--color-mid);
    font-weight: 700;
    transition: transform 0.3s ease;
}
.faq-item[open] summary::after {
    content: '−';
    transform: rotate(0deg);
}
.faq-item .faq-answer {
    padding: 12px 16px 16px;
    font-size: 0.82rem;
    color: #666;
    line-height: 1.6;
    background: #fff;
    border-top: 1px solid #eef3ea;
}

.app-download-section {
    background: linear-gradient(135deg, var(--color-deep) 0%, #0f2e32 100%);
    border-radius: var(--radius-lg);
    padding: 28px 30px;
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
}
.app-download-section h2 {
    color: var(--color-light);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.app-download-section .app-subtitle {
    color: #b0c8c0;
    font-size: 0.85rem;
}
.app-download-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.app-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 18px;
    border-radius: 22px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}
.app-download-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.app-download-btn .app-icon {
    flex-shrink: 0;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-item {
    display: inline-block;
    padding: 7px 15px;
    background: var(--color-tag-bg);
    color: var(--color-mid-dark);
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}
.tag-item:hover {
    background: #dce8d3;
    border-color: var(--color-mid);
    color: var(--color-deep);
}

.footer-nav {
    width: 100%;
    background: var(--color-deep);
    color: #c0d0c8;
    padding: 28px 20px 20px;
    margin-top: 10px;
}
.footer-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-col h4 {
    color: var(--color-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 600;
}
.footer-col a {
    display: block;
    color: #a0b8ae;
    text-decoration: none;
    font-size: 0.78rem;
    padding: 3px 0;
    transition: var(--transition);
}
.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: 0.72rem;
    color: #8aa098;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    align-items: center;
}
.footer-bottom a {
    color: #b0c8be;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.footer-bottom a:hover {
    color: #fff;
    text-decoration: underline;
}

.platform-intro-text {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.7;
}
.platform-intro-text strong {
    color: var(--color-deep);
}

@media (max-width: 1200px) {
    .comic-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .character-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .sidebar-right {
        width: 320px;
    }
    .main-container {
        gap: 20px;
    }
}
@media (max-width: 992px) {
    .main-container {
        flex-direction: column;
        padding: 16px 14px 28px;
    }
    .sidebar-right {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .sidebar-right .card {
        break-inside: avoid;
    }
    .sidebar-right .card:last-child {
        grid-column: 1 / -1;
    }
    .comic-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .character-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .category-nav-inner {
        gap: 2px;
    }
    .category-nav-inner a {
        padding: 6px 11px;
        font-size: 0.78rem;
    }
    .top-nav-inner {
        height: 50px;
        padding: 0 12px;
    }
    .top-nav .site-name h1 {
        font-size: 1.25rem;
    }
    .btn-nav {
        padding: 7px 13px;
        font-size: 0.78rem;
    }
    .category-nav {
        top: 50px;
    }
    html {
        scroll-padding-top: 100px;
    }
}
@media (max-width: 768px) {
    .comic-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .character-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .sidebar-right {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .app-download-section {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
    }
    .app-download-btns {
        justify-content: center;
    }
    .card {
        padding: 14px 12px;
    }
    .card-header h2 {
        font-size: 1rem;
    }
    .comic-card .comic-info {
        padding: 6px 8px 10px;
    }
    .comic-card .comic-title {
        font-size: 0.82rem;
    }
    .comic-card .comic-meta {
        font-size: 0.66rem;
    }
    .footer-nav-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .top-nav-actions {
        gap: 6px;
    }
    .btn-nav {
        padding: 6px 10px;
        font-size: 0.72rem;
        border-radius: 16px;
    }
    .top-nav .site-name h1 {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }
    .top-nav-inner {
        height: 44px;
        padding: 0 10px;
    }
    .category-nav {
        top: 44px;
    }
    .category-nav-inner {
        height: 38px;
        padding: 0 8px;
    }
    .category-nav-inner a {
        padding: 5px 10px;
        font-size: 0.72rem;
        border-radius: 14px;
    }
    html {
        scroll-padding-top: 88px;
    }
    .rank-thumb {
        width: 36px;
        height: 50px;
    }
    .rank-list li {
        gap: 6px;
        padding: 6px 7px;
    }
    .stat-item .stat-num {
        font-size: 1.2rem;
    }
    .comment-list {
        max-height: 400px;
    }
}
@media (max-width: 420px) {
    .comic-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    .comic-card .comic-cover {
        aspect-ratio: 5 / 7;
    }
    .comic-card .comic-title {
        font-size: 0.75rem;
    }
    .comic-card .comic-meta {
        font-size: 0.62rem;
        -webkit-line-clamp: 1;
    }
    .btn-nav {
        padding: 5px 8px;
        font-size: 0.68rem;
        border-radius: 14px;
    }
    .top-nav-actions {
        gap: 3px;
    }
    .top-nav .site-name h1 {
        font-size: 1rem;
    }
}