/* ===== 设计令牌：靛蓝紫 + 琥珀金（全新配色） ===== */
:root {
    --c-primary: #312E81;
    --c-primary-dark: #1E1B4B;
    --c-accent: #F59E0B;
    --c-accent-soft: #FEF3C7;
    --c-accent-2: #6366F1;
    --c-live: #10B981;
    --c-bg: #F4F4F8;
    --c-surface: #FFFFFF;
    --c-text: #1E1B4B;
    --c-muted: #64748B;
    --c-border: #E2E8F0;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(49, 46, 129, 0.06), 0 4px 16px rgba(49, 46, 129, 0.05);
    --header-h: 62px;
    --max-w: 1160px;
    --gap: 1.125rem;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.65;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: var(--c-accent-2);
    text-decoration: none;
}

a:hover {
    color: var(--c-accent);
}

.zb20bacontainer {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 16px;
}

section[id] {
    scroll-margin-top: calc(var(--header-h) + 10px);
}

/* ===== 顶栏 ===== */
.zb20baheader {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-h);
    background: var(--c-primary-dark);
    border-bottom: 2px solid var(--c-accent);
}

.zb20baheader-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 0.75rem;
}

.zb20balogo {
    min-width: 0;
    flex-shrink: 1;
}

.zb20balogo h1 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.zb20balogo h1 a {
    color: #fff;
}

.zb20balogo-tagline {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.zb20bamain-nav {
    flex-shrink: 0;
}

.zb20bamain-nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 0.1rem;
}

.zb20bamain-nav a {
    display: block;
    padding: 0.38rem 0.6rem;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.82);
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.zb20bamain-nav a:hover,
.zb20bamain-nav .zb20bathis a {
    background: rgba(245, 158, 11, 0.15);
    color: var(--c-accent);
}

.zb20bamenu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
}

.zb20bamenu-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.25s, opacity 0.25s;
}

.zb20bamenu-toggle.zb20baactive span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.zb20bamenu-toggle.zb20baactive span:nth-child(2) {
    opacity: 0;
}

.zb20bamenu-toggle.zb20baactive span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== 首页 Hero ===== */
.zb20bahero {
    background: var(--c-primary-dark);
    color: #fff;
    padding: 2.25rem 0 2.5rem;
    position: relative;
    overflow: hidden;
}

.zb20bahero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2), var(--c-accent));
}

.zb20bahero-wrap {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: center;
}

.zb20bahero-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 0.22rem 0.7rem;
    background: rgba(245, 158, 11, 0.18);
    color: var(--c-accent);
    border-radius: 2px;
    margin-bottom: 0.7rem;
}

.zb20bahero-main h2 {
    font-size: clamp(1.3rem, 3vw, 1.75rem);
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    color: #fff;
}

.zb20bahero-lead {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 0.9rem;
    max-width: 520px;
    line-height: 1.7;
}

.zb20bahero-lead strong {
    color: var(--c-accent);
    font-weight: 600;
}

.zb20bahero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.9rem;
}

.zb20bahero-tags span {
    font-size: 0.72rem;
    padding: 0.18rem 0.5rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: rgba(255, 255, 255, 0.85);
    border-radius: 3px;
}

.zb20badownload-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1.1rem;
}

.zb20badl-btn {
    padding: 0.42rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: background 0.2s;
}

.zb20badl-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
}

.zb20badl-primary {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-primary-dark);
}

.zb20badl-primary:hover {
    background: #D97706;
    border-color: #D97706;
    color: #fff;
}

.zb20bahero-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
}

.zb20bahero-stat {
    text-align: center;
    padding: 0.5rem 0.25rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius);
    min-width: 0;
}

.zb20bahero-stat strong {
    display: block;
    font-size: 1.1rem;
    color: var(--c-accent);
    line-height: 1.2;
    margin-bottom: 0.15rem;
}

.zb20bahero-stat span {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.3;
}

.zb20bahero-aside {
    display: flex;
    justify-content: center;
    align-items: center;
}

.zb20bahero-frame {
    position: relative;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-lg);
    max-width: 100%;
}

.zb20bahero-img {
    max-height: 260px;
    width: auto;
    margin: 0 auto;
}

/* ===== 主内容区 ===== */
.zb20bamain-content {
    padding: 1.5rem 0 2.25rem;
}

.zb20basection {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    margin-bottom: var(--gap);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.zb20basection-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 0.65rem 1rem;
    margin-bottom: 1.1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--c-border);
}

.zb20basection-label {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    min-width: 0;
    flex: 1;
}

.zb20balabel-dot {
    flex-shrink: 0;
    width: 4px;
    height: 1.4rem;
    background: var(--c-accent);
    border-radius: 2px;
    margin-top: 0.15rem;
}

.zb20basection-head h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--c-primary);
    margin: 0 0 0.2rem;
}

.zb20basection-head p {
    font-size: 0.84rem;
    color: var(--c-muted);
    margin: 0;
    line-height: 1.5;
}

.zb20basection-head-row {
    align-items: center;
}

.zb20batab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    flex-shrink: 0;
}

.zb20banav-btn {
    padding: 0.32rem 0.75rem;
    font-size: 0.78rem;
    border: 1px solid var(--c-border);
    border-radius: 4px;
    background: var(--c-bg);
    color: var(--c-muted);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.zb20banav-btn:hover {
    border-color: var(--c-accent-2);
    color: var(--c-accent-2);
}

.zb20banav-btn.zb20baactive {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}

/* ===== 直播大厅 ===== */
.zb20balive-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
}

.zb20balive-item {
    border: 1px solid var(--c-border);
    border-left: 3px solid var(--c-accent-2);
    border-radius: var(--radius);
    padding: 1rem;
    background: var(--c-bg);
    min-width: 0;
    overflow: hidden;
}

.zb20balive-item.zb20bais-live {
    border-left-color: var(--c-live);
    background: linear-gradient(135deg, #ECFDF5 0%, var(--c-bg) 100%);
}

.zb20balive-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.zb20balive-status time {
    font-size: 0.78rem;
    color: var(--c-muted);
}

.zb20babadge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.12rem 0.45rem;
    border-radius: 3px;
}

.zb20babadge-live {
    background: #D1FAE5;
    color: #047857;
}

.zb20babadge-soon {
    background: var(--c-accent-soft);
    color: #B45309;
}

.zb20babadge-replay {
    background: #E2E8F0;
    color: var(--c-muted);
}

.zb20balive-item h3 {
    font-size: 0.92rem;
    margin-bottom: 0.3rem;
    color: var(--c-text);
}

.zb20bamatch-line {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.zb20bamatch-line em {
    font-style: normal;
    color: var(--c-muted);
    font-weight: 400;
    margin: 0 0.3rem;
}

.zb20bamatch-line-lg {
    font-size: 0.95rem;
    padding: 0.35rem 0;
}

.zb20balive-desc {
    font-size: 0.8rem;
    color: var(--c-muted);
    line-height: 1.55;
    margin-bottom: 0.5rem;
}

.zb20bacard-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.55rem;
    font-size: 0.72rem;
    color: var(--c-muted);
    padding-top: 0.45rem;
    border-top: 1px solid var(--c-border);
}

/* ===== 平台介绍 ===== */
.zb20baplatform {
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
    overflow: visible;
}

.zb20baplatform-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}

.zb20baplatform-intro {
    background: var(--c-primary);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    min-width: 0;
    overflow: hidden;
}

.zb20baplatform-intro h2 {
    font-size: 1.1rem;
    margin-bottom: 0.65rem;
    color: #fff;
}

.zb20baplatform-intro p {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.65;
    margin-bottom: 0.65rem;
}

.zb20baplatform-intro strong {
    color: var(--c-accent);
}

.zb20baplatform-note {
    font-size: 0.8rem !important;
    padding: 0.65rem 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--c-accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-bottom: 0 !important;
}

.zb20bafeature-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
}

.zb20bafeature-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1rem;
    min-width: 0;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.zb20bafeature-icon {
    font-size: 1.4rem;
    display: block;
    margin-bottom: 0.4rem;
}

.zb20bafeature-card h3 {
    font-size: 0.88rem;
    color: var(--c-primary);
    margin-bottom: 0.3rem;
}

.zb20bafeature-card p {
    font-size: 0.8rem;
    color: var(--c-muted);
    line-height: 1.55;
}

/* ===== 焦点赛事 ===== */
.zb20bamatch-rows {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.zb20bamatch-row {
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    background: var(--c-bg);
    min-width: 0;
    overflow: hidden;
}

.zb20bamatch-row-live {
    border-color: rgba(16, 185, 129, 0.35);
    background: linear-gradient(90deg, #ECFDF5 0%, var(--c-bg) 40%);
}

.zb20bamatch-row-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
    font-size: 0.76rem;
    color: var(--c-muted);
}

.zb20bascoreboard {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 0.35rem 0;
}

.zb20bateam {
    flex: 1;
    min-width: 0;
    text-align: center;
}

.zb20bateam-ico {
    font-size: 1.3rem;
    display: block;
}

.zb20bateam-nm {
    display: block;
    font-size: 0.8rem;
    margin: 0.15rem 0;
    word-break: break-word;
}

.zb20bascoreboard strong {
    font-size: 1.2rem;
    color: var(--c-primary);
}

.zb20bavs {
    flex-shrink: 0;
    font-size: 0.72rem;
    color: var(--c-muted);
    font-weight: 700;
}

.zb20bamatch-note {
    font-size: 0.76rem;
    color: var(--c-muted);
    margin-top: 0.4rem;
    padding-top: 0.4rem;
    border-top: 1px solid var(--c-border);
}

/* ===== 赛程表 ===== */
.zb20baschedule-list {
    list-style: none;
}

.zb20baschedule-item {
    display: flex;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    margin-bottom: 0.55rem;
    overflow: hidden;
    min-width: 0;
}

.zb20baschedule-item:last-child {
    margin-bottom: 0;
}

.zb20baschedule-time {
    flex: 0 0 5.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.75rem 0.5rem;
    background: var(--c-primary);
    color: #fff;
    text-align: center;
}

.zb20baschedule-time time {
    font-size: 1rem;
    font-weight: 700;
}

.zb20batag-hd {
    font-size: 0.65rem;
    padding: 0.12rem 0.35rem;
    background: rgba(245, 158, 11, 0.25);
    color: var(--c-accent);
    border-radius: 2px;
    white-space: nowrap;
}

.zb20baschedule-body {
    flex: 1;
    min-width: 0;
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--c-bg);
}

.zb20baschedule-body strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.15rem;
    word-break: break-word;
}

.zb20baschedule-body span {
    font-size: 0.76rem;
    color: var(--c-muted);
    line-height: 1.45;
}

/* ===== 资讯 ===== */
.zb20banews-stack {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

.zb20banews-lead {
    padding: 1.15rem;
    background: var(--c-primary-dark);
    color: #fff;
    border-radius: var(--radius);
    min-width: 0;
    overflow: hidden;
}

.zb20banews-time {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.5);
}

.zb20banews-lead h3 {
    font-size: 1rem;
    margin: 0.4rem 0;
    line-height: 1.4;
    color: #fff;
}

.zb20banews-lead p {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.65;
}

.zb20banews-lead strong {
    color: var(--c-accent);
}

.zb20banews-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gap);
}

.zb20banews-item {
    padding: 0.85rem;
    border: 1px solid var(--c-border);
    border-top: 3px solid var(--c-accent-2);
    border-radius: var(--radius);
    background: var(--c-bg);
    min-width: 0;
    overflow: hidden;
}

.zb20banews-item h3 {
    font-size: 0.86rem;
    margin-bottom: 0.3rem;
    line-height: 1.35;
    color: var(--c-text);
}

.zb20banews-item p {
    font-size: 0.78rem;
    color: var(--c-muted);
    line-height: 1.5;
}

/* ===== 数据榜 ===== */
.zb20bastats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gap);
}

.zb20bastats-panel {
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--c-bg);
    min-width: 0;
}

.zb20bastats-panel h3 {
    font-size: 0.88rem;
    padding: 0.6rem 0.85rem;
    background: var(--c-primary);
    color: #fff;
}

.zb20bastats-panel ol {
    list-style: none;
    padding: 0.35rem 0;
}

.zb20bastats-panel li {
    display: flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--c-border);
    gap: 0.45rem;
    min-width: 0;
}

.zb20bastats-panel li:last-child {
    border-bottom: none;
}

.zb20barank {
    flex-shrink: 0;
    width: 1.4rem;
    height: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    background: var(--c-accent-soft);
    color: #B45309;
    border-radius: 50%;
}

.zb20baplayer {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.zb20bastats-panel li strong {
    flex-shrink: 0;
    color: var(--c-accent-2);
    font-weight: 700;
}

/* ===== 首页文章 ===== */
.zb20balink-more {
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.38rem 0.9rem;
    background: var(--c-accent);
    color: var(--c-primary-dark) !important;
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
}

.zb20balink-more:hover {
    background: #D97706;
    color: #fff !important;
}

.zb20baarticle-home-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--gap);
}

.zb20baarticle-home-card {
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--c-bg);
    min-width: 0;
    transition: box-shadow 0.2s;
}

.zb20baarticle-home-card:hover {
    box-shadow: var(--shadow);
}

.zb20baarticle-home-thumb {
    display: block;
    overflow: hidden;
}

.zb20baarticle-home-thumb img {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

.zb20baarticle-home-body {
    padding: 0.55rem 0.65rem 0.65rem;
}

.zb20baarticle-home-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.2rem;
    font-size: 0.65rem;
    color: var(--c-muted);
    margin-bottom: 0.3rem;
}

.zb20baarticle-home-meta span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.zb20baarticle-home-body h3 {
    font-size: 0.78rem;
    line-height: 1.4;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zb20baarticle-home-body h3 a {
    color: var(--c-text);
}

.zb20baarticle-home-body h3 a:hover {
    color: var(--c-accent-2);
}

/* ===== 页脚 ===== */
.zb20bafooter {
    background: var(--c-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: 1.75rem 0 1.25rem;
    margin-top: 0.25rem;
}

.zb20bafooter-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.zb20bafooter-section h3 {
    font-size: 0.9rem;
    color: var(--c-accent);
    margin-bottom: 0.55rem;
}

.zb20bafooter-section p,
.zb20bafooter-section li {
    font-size: 0.82rem;
    line-height: 1.6;
}

.zb20bafooter-section ul {
    list-style: none;
}

.zb20bafooter-section a {
    color: rgba(255, 255, 255, 0.8);
}

.zb20bafooter-section a:hover {
    color: var(--c-accent);
}

.zb20bacopyright {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.78rem;
    opacity: 0.7;
}

.zb20bacopyright a {
    color: var(--c-accent);
}

.zb20basitemap-links a {
    color: rgba(255, 255, 255, 0.65);
    margin: 0 0.2rem;
}

.zb20basitemap-links a:hover {
    color: var(--c-accent);
}

/* ===== 内页通用 ===== */
.zb20bapage-banner {
    background: var(--c-primary-dark);
    color: #fff;
    padding: 1.75rem 0 1.5rem;
    border-bottom: 3px solid var(--c-accent);
}

.zb20bapage-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
    color: #fff;
    word-break: break-word;
}

.zb20bapage-desc {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 640px;
    margin-bottom: 0.45rem;
    line-height: 1.6;
}

.zb20babreadcrumb {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
}

.zb20babreadcrumb a {
    color: var(--c-accent);
}

.zb20babreadcrumb span {
    margin: 0 0.25rem;
}

.zb20bainner-main {
    padding: 1.5rem 0 2.25rem;
}

.zb20bainner-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: var(--gap);
    align-items: start;
}

.zb20bainner-content {
    min-width: 0;
}

.zb20baarticle-panel,
.zb20balist-panel,
.zb20barelated-panel {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    box-shadow: var(--shadow);
    margin-bottom: var(--gap);
    overflow: hidden;
}

.zb20baarticle-header h1 {
    font-size: 1.35rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--c-primary);
    word-break: break-word;
}

.zb20baarticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    font-size: 0.82rem;
    color: var(--c-muted);
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--c-border);
}

.zb20baarticle-meta a {
    color: var(--c-accent-2);
}

.zb20baarticle-cover {
    margin: 0.85rem 0;
    overflow: hidden;
    border-radius: var(--radius);
}

.zb20bathumb-cover {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius);
}

.zb20baarticle-content {
    line-height: 1.85;
    font-size: 0.93rem;
    color: var(--c-text);
    word-break: break-word;
    overflow-wrap: break-word;
}

.zb20baarticle-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 0.65rem 0;
}

.zb20baarticle-gallery-item {
    margin: 0.85rem 0;
    text-align: center;
    overflow: hidden;
}

.zb20baarticle-gallery-item figcaption {
    font-size: 0.8rem;
    color: var(--c-muted);
    margin-top: 0.35rem;
}

.zb20badiyfield {
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px dashed var(--c-border);
}

.zb20bameta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    margin-top: 1rem;
}

.zb20batagitem a {
    display: inline-block;
    padding: 0.18rem 0.55rem;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: 0.78rem;
    color: var(--c-muted);
}

.zb20batagitem a:hover {
    border-color: var(--c-accent-2);
    color: var(--c-accent-2);
    background: #EEF2FF;
}

.zb20baarticle-nav {
    display: flex;
    justify-content: space-between;
    gap: 0.85rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 0.85rem 1.1rem;
    box-shadow: var(--shadow);
    margin-bottom: var(--gap);
    overflow: hidden;
}

.zb20baprenext-item {
    flex: 1;
    font-size: 0.86rem;
    min-width: 0;
    word-break: break-word;
}

.zb20baprenext-next {
    text-align: right;
}

.zb20bapanel-title {
    font-size: 1.05rem;
    margin-bottom: 0.85rem;
    padding-bottom: 0.45rem;
    border-bottom: 2px solid var(--c-accent);
    color: var(--c-primary);
}

.zb20barelated-list {
    list-style: none;
}

.zb20barelated-item {
    display: flex;
    gap: 0.85rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--c-border);
    min-width: 0;
}

.zb20barelated-item:last-child {
    border-bottom: none;
}

.zb20barelated-thumb {
    flex: 0 0 100px;
    overflow: hidden;
    border-radius: var(--radius);
}

.zb20barelated-thumb img {
    width: 100px;
    height: 68px;
    object-fit: cover;
    border-radius: var(--radius);
}

.zb20barelated-body {
    flex: 1;
    min-width: 0;
}

.zb20barelated-body h3 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.zb20barelated-body h3 a {
    color: var(--c-text);
}

.zb20barelated-body h3 a:hover {
    color: var(--c-accent-2);
}

.zb20barelated-body p {
    font-size: 0.82rem;
    color: var(--c-muted);
}

/* ===== 列表页 ===== */
.zb20balist-items {
    list-style: none;
}

.zb20balist-item {
    display: flex;
    gap: 0.85rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--c-border);
    min-width: 0;
}

.zb20balist-item:last-child {
    border-bottom: none;
}

.zb20balist-thumb {
    flex: 0 0 150px;
    display: block;
    overflow: hidden;
    border-radius: var(--radius);
}

.zb20balist-thumb img {
    width: 150px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius);
}

.zb20balist-body {
    flex: 1;
    min-width: 0;
}

.zb20balist-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.65rem;
    font-size: 0.78rem;
    color: var(--c-muted);
    margin-bottom: 0.3rem;
}

.zb20balist-cat {
    color: var(--c-accent-2);
}

.zb20balist-title {
    font-size: 1rem;
    margin: 0 0 0.35rem;
    line-height: 1.4;
}

.zb20balist-title a {
    color: var(--c-text);
    word-break: break-word;
}

.zb20balist-title a:hover {
    color: var(--c-accent-2);
}

.zb20balist-intro {
    font-size: 0.85rem;
    color: var(--c-muted);
    line-height: 1.55;
}

.zb20bapagebar {
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--c-border);
    overflow-x: auto;
}

.zb20bapagebar .pagelist,
.zb20bapagelist {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.zb20bapagebar .pagelist a,
.zb20bapagebar .pagelist span,
.zb20bapagelist a,
.zb20bapagelist span {
    display: inline-block;
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    font-size: 0.82rem;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    text-decoration: none;
    white-space: nowrap;
}

.zb20bapagebar .pagelist a:hover,
.zb20bapagelist a:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}

.zb20bapagebar .pagelist .thisclass a,
.zb20bapagelist .thisclass a {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-primary-dark);
}

/* ===== 侧栏 ===== */
.zb20basidebar {
    position: sticky;
    top: calc(var(--header-h) + 10px);
    min-width: 0;
}

.zb20basidebar-block {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: var(--gap);
    overflow: hidden;
}

.zb20basidebar-title {
    font-size: 0.92rem;
    margin-bottom: 0.65rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--c-accent);
    color: var(--c-primary);
}

.zb20basidebar-list {
    list-style: none;
}

.zb20basidebar-list li {
    margin-bottom: 0.3rem;
}

.zb20basidebar-list a {
    font-size: 0.86rem;
    color: var(--c-text);
    word-break: break-word;
}

.zb20basidebar-list a:hover,
.zb20basidebar-list .zb20bathis a {
    color: var(--c-accent-2);
}

.zb20basidebar-articles {
    list-style: none;
}

.zb20basidebar-article-item {
    display: flex;
    gap: 0.55rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--c-border);
    min-width: 0;
}

.zb20basidebar-article-item:last-child {
    border-bottom: none;
}

.zb20basidebar-thumb {
    flex: 0 0 64px;
    overflow: hidden;
    border-radius: 4px;
}

.zb20basidebar-thumb img {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
}

.zb20basidebar-article-info {
    flex: 1;
    min-width: 0;
}

.zb20basidebar-article-info > a {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.82rem;
    line-height: 1.35;
    color: var(--c-text);
    margin-bottom: 0.15rem;
    word-break: break-word;
}

.zb20basidebar-article-info > a:hover {
    color: var(--c-accent-2);
}

.zb20basidebar-date {
    font-size: 0.72rem;
    color: var(--c-muted);
}

/* ===== 网站地图 ===== */
.zb20basitemap-page .zb20bainner-main {
    padding: 1.25rem 0;
}

.zb20basitemap-panel {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    overflow: hidden;
}

.zb20basitemap-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem 0.85rem;
}

.zb20basitemap-list a {
    font-size: 0.86rem;
    color: var(--c-text);
    line-height: 1.5;
    word-break: break-word;
}

.zb20basitemap-list a:hover {
    color: var(--c-accent-2);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .zb20bahero-wrap {
        grid-template-columns: 1fr;
    }

    .zb20bahero-aside {
        order: -1;
    }

    .zb20bahero-img {
        max-height: 180px;
    }

    .zb20bahero-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zb20baplatform-grid {
        grid-template-columns: 1fr;
    }

    .zb20bafeature-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zb20balive-grid {
        grid-template-columns: 1fr;
    }

    .zb20banews-columns {
        grid-template-columns: 1fr;
    }

    .zb20bastats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zb20bastats-grid .zb20bastats-panel:last-child {
        grid-column: 1 / -1;
    }

    .zb20baarticle-home-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .zb20bainner-layout {
        grid-template-columns: 1fr;
    }

    .zb20basidebar {
        position: static;
    }
}

@media (max-width: 767px) {
    :root {
        --header-h: 54px;
    }

    .zb20bamenu-toggle {
        display: flex;
    }

    .zb20baheader-inner {
        position: relative;
    }

    .zb20balogo-tagline {
        display: none;
    }

    .zb20bamain-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: -16px;
        right: -16px;
        background: var(--c-primary-dark);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-top: 2px solid var(--c-accent);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        padding: 0.4rem;
        max-height: 70vh;
        overflow-y: auto;
        z-index: 1001;
    }

    .zb20bamain-nav.zb20baactive {
        display: block;
    }

    .zb20bamain-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .zb20bamain-nav a {
        padding: 0.6rem 0.75rem;
        border-radius: 4px;
    }

    .zb20bahero {
        padding: 1.5rem 0 1.75rem;
    }

    .zb20bahero-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zb20basection {
        padding: 1rem;
    }

    .zb20basection-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .zb20batab-nav {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.2rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .zb20batab-nav::-webkit-scrollbar {
        display: none;
    }

    .zb20bafeature-cards {
        grid-template-columns: 1fr;
    }

    .zb20bastats-grid {
        grid-template-columns: 1fr;
    }

    .zb20bastats-grid .zb20bastats-panel:last-child {
        grid-column: auto;
    }

    .zb20baschedule-item {
        flex-direction: column;
    }

    .zb20baschedule-time {
        flex: none;
        flex-direction: row;
        justify-content: flex-start;
        gap: 0.65rem;
        padding: 0.55rem 0.85rem;
    }

    .zb20bascoreboard {
        gap: 0.5rem;
    }

    .zb20baarticle-home-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zb20balist-item {
        flex-direction: column;
    }

    .zb20balist-thumb {
        flex: none;
        width: 100%;
    }

    .zb20balist-thumb img {
        width: 100%;
        height: auto;
        max-height: 180px;
    }

    .zb20barelated-item {
        flex-direction: column;
    }

    .zb20barelated-thumb {
        flex: none;
        width: 100%;
    }

    .zb20barelated-thumb img {
        width: 100%;
        height: auto;
        max-height: 160px;
    }

    .zb20baarticle-nav {
        flex-direction: column;
    }

    .zb20baprenext-next {
        text-align: left;
    }

    .zb20basitemap-list {
        grid-template-columns: 1fr;
    }

    .zb20bafooter-content {
        text-align: center;
    }

    .zb20basection-head-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .zb20balink-more {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .zb20bahero-strip {
        grid-template-columns: 1fr 1fr;
    }

    .zb20badownload-bar {
        flex-direction: column;
    }

    .zb20badl-btn {
        width: 100%;
        text-align: center;
    }

    .zb20baarticle-home-grid {
        grid-template-columns: 1fr;
    }

    .zb20bacard-meta span {
        font-size: 0.68rem;
    }
}

@media (hover: none) {
    .zb20baarticle-home-card:hover {
        box-shadow: none;
    }
}