* {
    box-sizing: border-box;
}

:root {
    --bg: #d8e9f3;
    --panel: #eef7fc;
    --panel-strong: #d2e7f4;
    --line: #8eb5cd;
    --line-soft: #bdd5e5;
    --brand: #1a79ad;
    --brand-dark: #155f87;
    --text: #183547;
    --muted: #5f7f93;
    --accent: #f07f2f;
}

html,
body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top, #e8f3fa 0, var(--bg) 58%);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

a {
    color: #0f6494;
    text-decoration: none;
}

a:hover {
    color: #0a4f76;
}

img {
    max-width: 100%;
    display: block;
}

.site-wrap {
    min-height: 100vh;
}

.container {
    width: min(1260px, calc(100% - 20px));
    margin: 0 auto;
}

.topbar {
    background: #e0eef7;
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 54px;
}

.brand {
    color: var(--brand);
    font-weight: 800;
    line-height: 1.1;
}

.brand .name {
    font-size: 18px;
    letter-spacing: 1px;
}

.brand .domain {
    font-size: 11px;
    color: #ea6b21;
}

.search-box {
    flex: 1;
    max-width: 520px;
    display: flex;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 3px;
    overflow: hidden;
    background: #fff;
}

.search-box input {
    width: 100%;
    height: 34px;
    border: 0;
    padding: 0 12px;
    font-size: 13px;
    outline: none;
}

.search-box button {
    width: 70px;
    height: 34px;
    border: 0;
    background: var(--brand);
    color: #fff;
    font-size: 12px;
    cursor: pointer;
}

.quick-links {
    display: flex;
    gap: 8px;
}

.quick-links a,
.mobile-menu-btn {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, #f7fbff, #deedf8);
    color: #346783;
    padding: 5px 9px;
    border-radius: 2px;
    font-size: 12px;
}

.mobile-menu-btn {
    display: none;
}

.main-nav {
    background: linear-gradient(180deg, #2d8ab8, #166c98);
    border-bottom: 1px solid #0f5f87;
}

.main-nav .container {
    display: flex;
    gap: 14px;
    overflow: auto;
    white-space: nowrap;
}

.main-nav a {
    color: #eaf7ff;
    display: inline-block;
    padding: 9px 14px;
    font-size: 14px;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255, 255, 255, 0.14);
}

.breadcrumb {
    margin: 10px 0 8px;
    color: var(--muted);
    font-size: 13px;
}

.grid {
    display: grid;
    gap: 8px;
}

.grid-2-1 {
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
}

.panel-title {
    margin: 0;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line-soft);
    background: linear-gradient(180deg, #edf8ff, #d7e9f5);
    color: #0f5d89;
    font-size: 16px;
}

.panel-title .more {
    float: right;
    font-size: 12px;
    margin-top: 2px;
}

.book-feature-list {
    list-style: none;
    margin: 0;
    padding: 6px 8px;
    display: grid;
    gap: 8px;
}

.book-feature-item {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px;
    padding: 5px 0 8px;
    border-bottom: 1px dashed var(--line-soft);
}

.book-feature-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.book-cover,
.cover-3x4 {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border: 1px solid var(--line-soft);
    background: #cadde9;
}

.book-cover img,
.cover-3x4 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.book-feature-item h3,
.book-card h3,
.rank-list a,
.update-table a,
.read-history h3 {
    margin: 0;
    font-weight: 700;
}

.book-feature-item h3,
.book-card h3 {
    font-size: 14px;
    line-height: 1.3;
}

.book-feature-item .meta,
.book-card .meta,
.book-summary,
.side-list li span,
.update-table td,
.read-content p {
    color: var(--muted);
}

.book-summary {
    margin-top: 4px;
    line-height: 1.6;
    font-size: 12px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.home-title a {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.home-summary {
    -webkit-line-clamp: 2;
}

.home-feature-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 12px;
}

.home-feature-item {
    grid-template-columns: 116px minmax(0, 1fr);
    min-height: 154px;
}

.home-cover {
    width: 116px;
    border: 1px solid #9fbfd3;
    border-radius: 2px;
    background: #d3e4ef;
    box-shadow: 0 1px 0 #eef8ff inset;
}

.latest-book {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.latest-author {
    flex: 0 0 120px;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rank-board-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.rank-board-list {
    margin: 0;
    padding: 6px 8px 8px;
    list-style: none;
}

.rank-board-list > li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 28px;
    border-bottom: 1px dashed var(--line-soft);
    font-size: 13px;
}

.rank-board-top {
    align-items: flex-start;
    min-height: 96px;
    padding: 5px 0;
}

.rank-board-top .cover-3x4 {
    flex: 0 0 62px;
    width: 62px;
    border-color: #9ebed2;
}

.rank-board-top h3 {
    margin: 0;
    font-size: 14px;
    line-height: 1.3;
}

.rank-board-top p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.rank-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 10px;
    padding: 8px;
}

.rank-detail-item {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 8px;
    border-bottom: 1px dashed var(--line-soft);
    padding: 6px 0;
}

.rank-detail-cover {
    width: 88px;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border: 1px solid #9fbfd3;
    background: #d2e4ef;
}

.rank-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rank-detail-body h3 {
    margin: 0;
    font-size: 14px;
    line-height: 1.3;
}

.rank-detail-intro {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.rank-detail-meta {
    margin: 3px 0 0;
    font-size: 12px;
    color: var(--muted);
}

.channel-reco-grid {
    margin: 0;
    padding: 6px;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.channel-reco-item {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 8px;
    border-bottom: 1px dashed var(--line-soft);
    padding-bottom: 6px;
}

.channel-reco-item .cover-3x4 {
    width: 82px;
}

.channel-reco-item h3 {
    margin: 0;
    font-size: 14px;
    line-height: 1.3;
}

.channel-reco-item .meta {
    margin: 3px 0 0;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.channel-update-table {
    table-layout: fixed;
}

.channel-update-table col.col-cat {
    width: 42px;
}

.channel-update-table col.col-author {
    width: 118px;
}

.channel-update-table col.col-date {
    width: 56px;
}

.channel-update-table td {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

.channel-update-table td a {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.channel-update-table .channel-cat {
    text-align: center;
    color: #5f7f93;
}

.channel-update-table .channel-author {
    text-align: right;
}

.channel-update-table .channel-date {
    text-align: right;
    color: #5f7f93;
}

.home-update-table {
    table-layout: fixed;
}

.home-update-table col.col-author {
    width: 92px;
}

.home-update-table col.col-date {
    width: 64px;
}

.home-update-table td {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 400;
}

.home-update-table td a {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 400;
}

.home-update-table .home-author,
.home-update-table .home-date {
    text-align: right;
    color: #5f7f93;
}

.home-update-table .home-date {
    overflow: visible;
    text-overflow: clip;
}

.home-popular-list li,
.home-popular-list li a,
.home-popular-list li span {
    font-size: 12px;
    font-weight: 400;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 4px;
}

.tag {
    font-size: 11px;
    border: 1px solid var(--line);
    color: #356f8f;
    padding: 1px 7px;
    border-radius: 100px;
    background: #f2fbff;
}

.book-grid {
    margin: 0;
    padding: 6px;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.book-card {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 7px;
    border-bottom: 1px dashed var(--line-soft);
    padding: 4px 0;
}

.book-card .cover-3x4 {
    width: 84px;
}

.book-card h3 {
    font-size: 13px;
}

.book-card .meta {
    margin: 2px 0;
    font-size: 12px;
}

.side-list,
.rank-list,
.simple-list {
    margin: 0;
    padding: 5px 8px 8px;
    list-style: none;
}

.side-list li,
.rank-list li,
.simple-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 30px;
    border-bottom: 1px dashed var(--line-soft);
    font-size: 13px;
}

.side-list li:last-child,
.rank-list li:last-child,
.simple-list li:last-child {
    border-bottom: 0;
}

.num {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #fff;
    background: #9fb9ca;
    margin-right: 6px;
}

.rank-list li:nth-child(-n+3) .num,
.side-list li:nth-child(-n+3) .num {
    background: var(--accent);
}

.update-table {
    width: 100%;
    border-collapse: collapse;
}

.update-table tr:nth-child(odd) {
    background: rgba(194, 220, 238, 0.3);
}

.update-table td {
    border-bottom: 1px solid var(--line-soft);
    padding: 7px 8px;
    font-size: 13px;
}

.update-table td:last-child {
    text-align: right;
}

.cols-2 {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(240px, 1fr);
    gap: 12px;
}

.book-info {
    padding: 10px;
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 10px;
}

.book-info .cover-3x4 {
    width: 120px;
}

.book-detail-layout {
    grid-template-columns: minmax(0, 3fr) minmax(260px, 1fr);
}

.book-hero {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: start;
}

.book-hero-cover {
    width: 140px;
}

.book-hero-meta {
    min-width: 0;
}

.book-title small {
    font-size: 13px;
    color: var(--muted);
    font-weight: 400;
}

.book-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 18px;
    margin-bottom: 6px;
}

.book-intro {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text);
}

.book-side-rank li,
.book-side-rank li a,
.book-side-rank li span {
    font-size: 12px;
    font-weight: 400;
}

.chapter-grid.book-latest-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
}

.chapter-grid.book-latest-grid li {
    min-height: 0;
    padding: 0;
    border-bottom: 1px dashed var(--line-soft);
}

.chapter-grid.book-latest-grid a {
    display: block;
    padding: 12px 12px;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.book-title {
    margin: 0 0 8px;
    font-size: 16px;
    color: #0f5d89;
}

.book-meta p {
    margin: 0 0 5px;
    font-size: 13px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.btn {
    display: inline-block;
    border: 1px solid #1a77a9;
    padding: 6px 12px;
    background: linear-gradient(180deg, #2f8cba, #166d99);
    color: #fff;
    border-radius: 3px;
    font-size: 12px;
}

.btn.subtle {
    background: #ecf7ff;
    color: #1a77a9;
}

.chapter-grid {
    margin: 0;
    padding: 6px 8px;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px 10px;
}

.chapter-grid li {
    min-width: 0;
    border-bottom: 1px dashed var(--line-soft);
    padding-bottom: 6px;
}

.chapter-grid a {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.5;
}

.read-area {
    background: #eef5f9;
    border: 1px solid var(--line);
    padding: 12px 16px;
}

.read-title {
    text-align: center;
    font-size: 18px;
    color: #2b5167;
    margin: 10px 0 16px;
}

.read-tools {
    text-align: center;
    margin-bottom: 10px;
}

.read-tools a,
.read-tools button {
    margin: 0 5px;
    border: 1px solid var(--line);
    background: #f2faff;
    color: #1f6288;
    border-radius: 2px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 12px;
}

.read-content {
    font-size: 16px;
    line-height: 2;
    color: #466070;
    word-break: break-word;
}

.read-content p {
    margin: 0 0 0.95em;
    color: inherit;
}

.pagination {
    text-align: center;
    margin: 18px 0 6px;
}

.pagination a,
.pagination span {
    display: inline-block;
    border: 1px solid var(--line);
    min-width: 34px;
    text-align: center;
    padding: 5px 9px;
    margin: 0 3px;
    background: #f2faff;
    font-size: 14px;
}

.pagination .active {
    background: var(--brand);
    color: #fff;
}

.footer {
    margin-top: 8px;
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, #78add0, #5f99bf);
    color: #e6f3fc;
    text-align: center;
    padding: 14px 10px;
    font-size: 12px;
}

.footer a {
    color: #f5fbff;
    margin: 0 6px;
}

.mobile-menu {
    display: none;
}

.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}

.panel .panel-title + .table-wrap {
    overflow: auto;
}

@media (max-width: 1080px) {
    .grid-2-1,
    .cols-2 {
        grid-template-columns: 1fr;
    }

    .book-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .chapter-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .book-detail-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .topbar-inner {
        min-height: auto;
        padding: 10px 0;
        flex-wrap: wrap;
    }

    .brand .name {
        font-size: 28px;
    }

    .search-box {
        order: 3;
        max-width: none;
        width: 100%;
    }

    .quick-links {
        display: none;
    }

    .mobile-menu-btn {
        display: inline-block;
    }

    .mobile-only {
        display: block;
    }

    .desktop-only {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav .container {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0;
    }

    .main-nav a {
        text-align: center;
        padding: 10px 6px;
        font-size: 14px;
    }

    .panel-title {
        font-size: 17px;
    }

    .book-feature-item {
        grid-template-columns: 74px minmax(0, 1fr);
    }

    .book-feature-item h3,
    .book-card h3 {
        font-size: 14px;
    }

    .book-grid,
    .chapter-grid {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .home-feature-list {
        grid-template-columns: 1fr;
    }

    .home-feature-item {
        grid-template-columns: 84px minmax(0, 1fr);
        min-height: 0;
    }

    .home-cover {
        width: 84px;
    }

    .latest-author {
        flex-basis: 92px;
    }

    .rank-board-grid,
    .rank-detail-grid {
        grid-template-columns: 1fr;
    }

    .channel-reco-grid {
        grid-template-columns: 1fr;
    }

    .channel-update-table col.col-author {
        width: 88px;
    }

    .channel-update-table col.col-date {
        width: 48px;
    }

    .home-update-table col.col-author {
        width: 72px;
    }

    .home-update-table col.col-date {
        width: 64px;
    }

    .home-update-table col.col-chapter {
        width: 0;
    }

    .home-update-table .home-chapter {
        width: 0;
        padding-left: 0;
        padding-right: 0;
        border-left: 0;
        border-right: 0;
        font-size: 0;
    }

    .home-update-table .home-chapter a {
        font-size: 0;
        line-height: 0;
    }

    .home-update-table td {
        font-size: 12px;
        padding: 6px 6px;
        font-weight: 400;
    }

    .home-update-table .home-author,
    .home-update-table .home-date {
        text-align: right;
    }

    .home-update-table .home-date {
        overflow: visible;
        text-overflow: clip;
    }

    .rank-detail-item {
        grid-template-columns: 74px minmax(0, 1fr);
    }

    .rank-detail-cover {
        width: 74px;
    }

    .book-info {
        grid-template-columns: 82px minmax(0, 1fr);
        gap: 8px;
        padding: 8px;
    }

    .book-hero {
        grid-template-columns: 82px minmax(0, 1fr);
    }

    .book-hero-cover,
    .book-info .cover-3x4 {
        width: 82px;
    }

    .book-title {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .book-title small {
        display: block;
        margin-top: 2px;
        font-size: 12px;
    }

    .book-meta p,
    .book-intro,
    .book-meta-grid p {
        font-size: 12px;
        line-height: 1.6;
    }

    .book-meta-grid {
        grid-template-columns: 1fr;
        gap: 2px;
        margin-bottom: 4px;
    }

    .book-intro {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 7;
        overflow: hidden;
    }

    .book-hero .actions {
        gap: 6px;
        margin-top: 6px;
    }

    .book-hero .btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    .chapter-grid.book-latest-grid {
        grid-template-columns: 1fr;
    }

    .chapter-grid.book-latest-grid a {
        padding: 8px 10px;
        font-size: 13px;
        font-weight: 400;
        line-height: 1.5;
    }

    .book-side-rank li,
    .book-side-rank li a,
    .book-side-rank li span {
        font-size: 12px;
    }

    .read-title {
        font-size: 20px;
    }

    .read-area {
        padding: 12px;
    }

    .read-content {
        font-size: 18px;
        line-height: 1.9;
    }
}