/* ============================================================
   TEMPLATE-023 体育资讯站模板 · style.css
   风格：绯红 #C8102E + 炭墨 #14161A + 暖纸 #F7F4EF（编辑部方角风）
   排版：与 0017/020 完全不同 —— 炭墨单层导航 + 全宽 mega 菜单、
   头条分区 hero、编号目录业务、时间线榜单、跑马灯伙伴条、
   tab 式栏目页、窄心单栏阅读内页、CTA footer
   说明：不含全屏覆盖广告样式；仅保留常规 s23-ad 预留位
   ============================================================ */
:root {
    --s23-red: #C8102E;
    --s23-red-deep: #9B0B23;
    --s23-red-soft: #FBE9EC;
    --s23-red-light: #F5C2CC;
    --s23-ink: #14161A;
    --s23-ink-soft: #2A2E35;
    --s23-text: #1C1F24;
    --s23-muted: #7A7E86;
    --s23-paper: #F7F4EF;
    --s23-card: #FFFFFF;
    --s23-line: #E6E1D8;
    --s23-shadow: 0 10px 30px rgba(20, 22, 26, .08);
    --s23-radius: 2px;
    --s23-wrap: 1200px;
    --s23-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: var(--s23-font); color: var(--s23-text); background: var(--s23-card); font-size: 16px; line-height: 1.7; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--s23-red); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.s23-wrap { max-width: var(--s23-wrap); margin: 0 auto; padding: 0 20px; }
.s23-skip { position: absolute; left: -999px; top: 0; background: var(--s23-red); color: #fff; padding: 10px 18px; z-index: 999; }
.s23-skip:focus { left: 0; }

/* ---------- 按钮 ---------- */
.s23-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--s23-radius); font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: all .2s ease; }
.s23-btn-red { background: var(--s23-red); color: #fff; }
.s23-btn-red:hover { background: var(--s23-red-deep); color: #fff; transform: translateY(-2px); }
.s23-btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.s23-btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, .08); }
.s23-btn-line { background: transparent; color: var(--s23-ink); border-color: var(--s23-ink); }
.s23-btn-line:hover { background: var(--s23-ink); color: #fff; }

/* ---------- 头部：炭墨单层导航 ---------- */
.s23-head { background: var(--s23-ink); position: sticky; top: 0; z-index: 90; border-bottom: 3px solid var(--s23-red); }
.s23-head-in { max-width: var(--s23-wrap); margin: 0 auto; padding: 0 20px; display: flex; align-items: center; gap: 28px; height: 72px; }
.s23-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.s23-logo-mark { width: 40px; height: 40px; background: var(--s23-red); display: flex; align-items: center; justify-content: center; border-radius: var(--s23-radius); }
.s23-logo-txt { display: flex; flex-direction: column; line-height: 1.2; color: #fff; }
.s23-logo-txt strong { font-size: 18px; letter-spacing: .5px; }
.s23-logo-txt em { font-style: normal; font-size: 10px; letter-spacing: 3px; color: var(--s23-red-light); }
.s23-nav { flex: 1; }
.s23-menu { display: flex; align-items: center; gap: 4px; }
.s23-menu-item { position: relative; }
.s23-menu-item > a { display: block; padding: 24px 16px; color: rgba(255, 255, 255, .85); font-size: 15px; font-weight: 500; position: relative; }
.s23-menu-item > a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 0; height: 3px; background: var(--s23-red); transform: scaleX(0); transition: transform .2s ease; }
.s23-menu-item:hover > a, .s23-menu-item.is-on > a { color: #fff; }
.s23-menu-item:hover > a::after, .s23-menu-item.is-on > a::after { transform: scaleX(1); }
/* 全宽 mega 下拉 */
.s23-mega { position: absolute; left: 0; right: 0; top: 100%; background: var(--s23-ink-soft); opacity: 0; visibility: hidden; transform: translateY(6px); transition: all .2s ease; z-index: 91; box-shadow: var(--s23-shadow); }
.s23-menu-item:hover .s23-mega { opacity: 1; visibility: visible; transform: translateY(0); }
.s23-mega-in { max-width: var(--s23-wrap); margin: 0 auto; padding: 26px 20px; display: flex; gap: 32px; align-items: flex-start; }
.s23-mega-cap { flex-shrink: 0; color: #fff; font-size: 16px; font-weight: 700; padding-right: 28px; border-right: 1px solid rgba(255, 255, 255, .15); }
.s23-mega-list { display: flex; flex-wrap: wrap; gap: 10px 34px; }
.s23-mega-list a { color: rgba(255, 255, 255, .72); font-size: 14px; padding: 4px 0; }
.s23-mega-list a:hover { color: var(--s23-red-light); }
.s23-head-tools { display: flex; align-items: center; gap: 14px; }
.s23-search-toggle { background: transparent; border: 1px solid rgba(255, 255, 255, .25); color: #fff; width: 38px; height: 38px; border-radius: var(--s23-radius); display: flex; align-items: center; justify-content: center; }
.s23-search-toggle:hover { border-color: var(--s23-red); color: var(--s23-red-light); }
.s23-head-tel { color: #fff; font-weight: 700; font-size: 15px; letter-spacing: .5px; }
.s23-head-tel:hover { color: var(--s23-red-light); }
.s23-burger { display: none; flex-direction: column; gap: 5px; background: transparent; border: 0; padding: 6px; }
.s23-burger i { width: 22px; height: 2px; background: #fff; display: block; }
/* 搜索展开条 */
.s23-search-bar { background: var(--s23-ink-soft); border-top: 1px solid rgba(255, 255, 255, .08); }
.s23-search-form { max-width: var(--s23-wrap); margin: 0 auto; padding: 14px 20px; display: flex; gap: 10px; }
.s23-search-form input { flex: 1; height: 44px; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .06); color: #fff; padding: 0 16px; border-radius: var(--s23-radius); font-size: 15px; outline: none; }
.s23-search-form input::placeholder { color: rgba(255, 255, 255, .4); }
.s23-search-form input:focus { border-color: var(--s23-red); }
.s23-search-form button { background: var(--s23-red); color: #fff; border: 0; padding: 0 26px; border-radius: var(--s23-radius); font-size: 15px; font-weight: 600; }
.s23-search-form button:hover { background: var(--s23-red-deep); }
.s23-search-form-lg { max-width: 720px; padding: 0; }
.s23-search-form-lg input { height: 52px; font-size: 16px; }
.s23-search-form-lg button { padding: 0 34px; }

/* ---------- 移动抽屉 ---------- */
.s23-nav-overlay { position: fixed; inset: 0; background: rgba(20, 22, 26, .6); z-index: 94; }
.s23-drawer { position: fixed; top: 0; right: -300px; width: 300px; height: 100vh; background: #fff; z-index: 95; transition: right .25s ease; display: flex; flex-direction: column; }
.s23-drawer.open { right: 0; }
.s23-drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 3px solid var(--s23-red); }
.s23-drawer-brand { font-weight: 700; font-size: 16px; }
.s23-drawer-close { background: transparent; border: 0; font-size: 26px; line-height: 1; color: var(--s23-muted); }
.s23-drawer-nav { flex: 1; overflow-y: auto; padding: 10px 0; }
.s23-dlist > li { border-bottom: 1px solid var(--s23-line); }
.s23-dlist a { display: block; padding: 13px 20px; font-size: 15px; color: var(--s23-text); }
.s23-ditem { position: relative; }
.s23-dtoggle { position: absolute; right: 0; top: 0; width: 48px; height: 49px; background: transparent; border: 0; }
.s23-dtoggle::before { content: ""; position: absolute; right: 20px; top: 50%; width: 8px; height: 8px; border-right: 2px solid var(--s23-muted); border-bottom: 2px solid var(--s23-muted); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.s23-ditem.open .s23-dtoggle::before { transform: translateY(-30%) rotate(-135deg); }
.s23-dsub { display: none; background: var(--s23-paper); }
.s23-ditem.open .s23-dsub { display: block; }
.s23-dsub a { padding-left: 36px; font-size: 14px; color: var(--s23-muted); }
.s23-drawer-tel { display: block; margin: 16px 20px 24px; text-align: center; background: var(--s23-red); color: #fff; padding: 12px; border-radius: var(--s23-radius); font-weight: 600; }

/* ---------- 区块通用 ---------- */
.s23-sec { padding: 72px 0; }
.s23-sec-line { border-top: 1px solid var(--s23-line); }
.s23-sec-head { margin-bottom: 36px; max-width: 640px; }
.s23-sec-index { color: var(--s23-red); font-size: 12px; font-weight: 700; letter-spacing: 2.5px; margin-bottom: 10px; }
.s23-sec-head h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; line-height: 1.3; color: var(--s23-ink); }
.s23-sec-desc { color: var(--s23-muted); margin-top: 10px; font-size: 15px; }

/* ---------- 头条分区 hero ---------- */
.s23-hero { background: var(--s23-paper); padding: 46px 0 56px; }
.s23-hero-brand h1 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.35; letter-spacing: -0.5px; color: var(--s23-ink); margin-bottom: 30px; max-width: 860px; }
.s23-hero-brand h1 em { font-style: normal; color: var(--s23-red); }
.s23-hero-cols { display: grid; grid-template-columns: 7fr 5fr; gap: 32px; align-items: stretch; }
.s23-headline { background: #fff; border: 1px solid var(--s23-line); border-radius: var(--s23-radius); overflow: hidden; display: flex; flex-direction: column; }
.s23-headline-pic { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--s23-ink); }
.s23-headline-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.s23-headline:hover .s23-headline-pic img { transform: scale(1.04); }
.s23-headline-body { padding: 22px 26px 26px; }
.s23-kicker { color: var(--s23-red); font-size: 12px; font-weight: 700; letter-spacing: 2.5px; margin-bottom: 10px; }
.s23-headline-body h2 { font-size: 22px; line-height: 1.45; font-weight: 700; color: var(--s23-ink); }
.s23-headline-body h2 a:hover { color: var(--s23-red); }
.s23-headline-desc { color: var(--s23-muted); font-size: 14.5px; margin-top: 10px; }
.s23-headline-meta { display: flex; align-items: center; gap: 10px; margin-top: 16px; color: var(--s23-muted); font-size: 13px; }
.s23-headline-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--s23-red); }
/* 右侧堆叠次头条 */
.s23-side-stack { display: flex; flex-direction: column; gap: 14px; }
.s23-side-card { flex: 1; display: flex; gap: 14px; background: #fff; border: 1px solid var(--s23-line); border-radius: var(--s23-radius); padding: 12px; min-height: 0; }
.s23-side-pic { flex-shrink: 0; width: 118px; aspect-ratio: 3 / 2; overflow: hidden; border-radius: var(--s23-radius); background: var(--s23-ink); align-self: center; }
.s23-side-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.s23-side-card:hover .s23-side-pic img { transform: scale(1.05); }
.s23-side-body { display: flex; flex-direction: column; justify-content: center; gap: 8px; min-width: 0; }
.s23-side-body h3 { font-size: 15.5px; line-height: 1.5; font-weight: 600; color: var(--s23-ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s23-side-body h3 a:hover { color: var(--s23-red); }
.s23-side-body p { color: var(--s23-muted); font-size: 12.5px; }

/* ---------- 跑马灯品牌条 ---------- */
.s23-marquee { background: var(--s23-ink); overflow: hidden; padding: 20px 0; }
.s23-marquee-track { display: flex; gap: 72px; width: max-content; animation: s23-scroll 30s linear infinite; }
.s23-marquee-track span { color: rgba(255, 255, 255, .45); font-size: 14px; font-weight: 600; letter-spacing: 2px; white-space: nowrap; }
@keyframes s23-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.s23-marquee:hover .s23-marquee-track { animation-play-state: paused; }

/* ---------- 常规广告位（无全屏覆盖广告） ---------- */
.s23-ad { max-width: var(--s23-wrap); margin: 0 auto 8px; min-height: 0; }

/* ---------- 业务编号目录 ---------- */
.s23-biz-rows { border-top: 1px solid var(--s23-line); }
.s23-biz-row { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 28px; padding: 26px 6px; border-bottom: 1px solid var(--s23-line); position: relative; transition: background .2s ease; }
.s23-biz-row::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--s23-red); transform: scaleY(0); transition: transform .25s ease; }
.s23-biz-row:hover { background: var(--s23-paper); }
.s23-biz-row:hover::before { transform: scaleY(1); }
.s23-biz-num { font-size: 44px; font-weight: 800; color: transparent; -webkit-text-stroke: 1.5px var(--s23-red-light); line-height: 1; font-variant-numeric: tabular-nums; }
.s23-biz-row:hover .s23-biz-num { -webkit-text-stroke-color: var(--s23-red); }
.s23-biz-body h3 { font-size: 19px; font-weight: 700; color: var(--s23-ink); margin-bottom: 6px; }
.s23-biz-body p { color: var(--s23-muted); font-size: 14.5px; max-width: 680px; }
.s23-biz-more { color: var(--s23-red); font-size: 14px; font-weight: 600; white-space: nowrap; padding-right: 22px; position: relative; }
.s23-biz-more::after { content: "\2192"; position: absolute; right: 0; transition: transform .2s ease; }
.s23-biz-row:hover .s23-biz-more::after { transform: translateX(5px); }

/* ---------- 资讯区 ---------- */
.s23-news { background: var(--s23-paper); }
.s23-news-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 36px; }
.s23-news-main { display: flex; flex-direction: column; gap: 22px; }
/* 图上文下大卡 */
.s23-card { background: #fff; border: 1px solid var(--s23-line); border-radius: var(--s23-radius); overflow: hidden; transition: box-shadow .25s ease, transform .25s ease; }
.s23-card:hover { box-shadow: var(--s23-shadow); transform: translateY(-3px); }
.s23-card-pic { display: block; position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--s23-ink); }
.s23-card-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.s23-card:hover .s23-card-pic img { transform: scale(1.04); }
.s23-card-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; background: linear-gradient(135deg, var(--s23-ink) 0%, var(--s23-ink-soft) 100%); color: rgba(255, 255, 255, .3); font-size: 26px; font-weight: 800; letter-spacing: 6px; }
.s23-card-cat { position: absolute; left: 0; top: 0; background: var(--s23-red); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 12px; }
.s23-card-body { padding: 18px 20px 20px; }
.s23-card-title { font-size: 17px; line-height: 1.5; font-weight: 700; color: var(--s23-ink); }
.s23-card-title a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s23-card-desc { color: var(--s23-muted); font-size: 14px; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s23-card-meta { display: flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--s23-muted); font-size: 12.5px; }
.s23-card-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--s23-red); }
/* 紧凑文字行 */
.s23-newsline { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; padding: 12px 6px; border-bottom: 1px dashed var(--s23-line); }
.s23-newsline-idx { color: var(--s23-red); font-weight: 800; font-size: 15px; font-variant-numeric: tabular-nums; }
.s23-newsline-title { font-size: 15px; font-weight: 600; color: var(--s23-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.s23-newsline-title a:hover { color: var(--s23-red); }
.s23-newsline-date { color: var(--s23-muted); font-size: 12.5px; }
/* 右栏 widget */
.s23-news-side { display: flex; flex-direction: column; gap: 28px; }
.s23-widget { background: #fff; border: 1px solid var(--s23-line); border-radius: var(--s23-radius); padding: 22px 22px 24px; }
.s23-widget-cap { font-size: 17px; font-weight: 800; color: var(--s23-ink); padding-left: 12px; border-left: 3px solid var(--s23-red); margin-bottom: 18px; }
/* 时间线 */
.s23-timeline { position: relative; }
.s23-timeline::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: var(--s23-line); }
.s23-tl-item { position: relative; display: flex; gap: 14px; padding: 11px 0 11px 24px; align-items: flex-start; }
.s23-tl-dot { position: absolute; left: 0; top: 19px; width: 9px; height: 9px; border-radius: 50%; background: var(--s23-red); box-shadow: 0 0 0 3px var(--s23-red-soft); }
.s23-tl-body { flex: 1; min-width: 0; }
.s23-tl-date { color: var(--s23-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.s23-tl-title { font-size: 14.5px; font-weight: 600; line-height: 1.55; color: var(--s23-text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s23-tl-title a:hover { color: var(--s23-red); }
.s23-tl-views { color: var(--s23-muted); font-size: 12px; white-space: nowrap; padding-top: 4px; }
/* 标签胶囊 */
.s23-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.s23-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--s23-line); background: #fff; padding: 6px 13px; border-radius: 999px; font-size: 13px; color: var(--s23-text); }
.s23-chip:hover { border-color: var(--s23-red); color: var(--s23-red); background: var(--s23-red-soft); }
.s23-chip-num { color: var(--s23-muted); font-size: 11px; }
.s23-chip-solid { background: var(--s23-red); border-color: var(--s23-red); color: #fff; }
.s23-chip-solid:hover { background: var(--s23-red-deep); color: #fff; }
/* 最新动态 */
.s23-latest-item { padding: 10px 0; border-bottom: 1px dashed var(--s23-line); }
.s23-latest-item:last-child { border-bottom: 0; }
.s23-latest-date { color: var(--s23-red); font-size: 12px; font-variant-numeric: tabular-nums; }
.s23-latest-title { font-size: 14.5px; font-weight: 600; line-height: 1.55; margin-top: 3px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s23-latest-title a:hover { color: var(--s23-red); }

/* ---------- 工程案例：均匀四列浅底卡 ---------- */
.s23-case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.s23-case { border: 1px solid var(--s23-line); border-radius: var(--s23-radius); overflow: hidden; background: #fff; transition: box-shadow .25s ease, transform .25s ease; }
.s23-case:hover { box-shadow: var(--s23-shadow); transform: translateY(-3px); }
.s23-case-pic { display: block; position: relative; aspect-ratio: 8 / 5; overflow: hidden; background: var(--s23-ink); }
.s23-case-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.s23-case:hover .s23-case-pic img { transform: scale(1.05); }
.s23-case-no { position: absolute; right: 10px; bottom: 10px; background: var(--s23-ink); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; letter-spacing: 1px; font-variant-numeric: tabular-nums; }
.s23-case-body { padding: 16px 18px 18px; }
.s23-case-tag { color: var(--s23-red); font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.s23-case-body h3 { font-size: 16px; font-weight: 700; color: var(--s23-ink); margin-top: 6px; line-height: 1.5; }
.s23-case-body h3 a:hover { color: var(--s23-red); }

/* ---------- 关于：居中引言 + 图文两栏 + 内嵌数据 ---------- */
.s23-about { background: var(--s23-paper); }
.s23-quote { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.s23-quote-mark { font-size: 64px; line-height: .6; color: var(--s23-red); font-family: Georgia, serif; }
.s23-quote h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; line-height: 1.5; color: var(--s23-ink); margin-top: 12px; }
.s23-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.s23-about-txt h3 { font-size: 22px; font-weight: 800; color: var(--s23-ink); margin-bottom: 14px; }
.s23-about-txt > p { color: var(--s23-muted); font-size: 15px; margin-bottom: 18px; }
.s23-check { margin-bottom: 24px; }
.s23-check li { position: relative; padding: 6px 0 6px 28px; color: var(--s23-text); font-size: 14.5px; }
.s23-check li::before { content: ""; position: absolute; left: 0; top: 11px; width: 16px; height: 16px; background: var(--s23-red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='m5 12 5 5 9-10' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; border-radius: 2px; }
.s23-about-act { display: flex; gap: 14px; }
.s23-about-pic { position: relative; margin: 0; }
.s23-about-pic::before { content: ""; position: absolute; left: -14px; top: 14px; right: 14px; bottom: -14px; border: 3px solid var(--s23-red); border-radius: var(--s23-radius); z-index: 0; }
.s23-about-pic img { position: relative; z-index: 1; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--s23-radius); }
.s23-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 56px; }
.s23-stat { background: #fff; border: 1px solid var(--s23-line); border-top: 3px solid var(--s23-red); border-radius: var(--s23-radius); padding: 22px 20px; text-align: center; }
.s23-stat dt { font-size: 34px; font-weight: 800; color: var(--s23-ink); line-height: 1.1; font-variant-numeric: tabular-nums; }
.s23-stat dd { color: var(--s23-muted); font-size: 13.5px; margin-top: 6px; }

/* ---------- 行动转化条 ---------- */
.s23-cta { background: var(--s23-ink); padding: 64px 0; }
.s23-cta-in { text-align: center; }
.s23-cta h2 { color: #fff; font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; }
.s23-cta p { color: rgba(255, 255, 255, .6); margin-top: 10px; font-size: 15px; }
.s23-cta-act { display: flex; gap: 14px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }

/* ---------- 面包屑条 ---------- */
.s23-crumb { border-bottom: 1px solid var(--s23-line); background: #fff; }
.s23-crumb-in { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding-top: 14px; padding-bottom: 14px; font-size: 13px; color: var(--s23-muted); }
.s23-crumb-in a:hover { color: var(--s23-red); }
.s23-crumb-cur { color: var(--s23-text); }
.s23-crumb-in span[aria-hidden] { color: var(--s23-red-light); }

/* ---------- tab 式分类导航 ---------- */
.s23-cattabs { border-bottom: 1px solid var(--s23-line); background: #fff; }
.s23-cattabs-list { display: flex; gap: 6px; overflow-x: auto; }
.s23-cattabs-list li a { display: block; padding: 16px 18px; font-size: 15px; font-weight: 600; color: var(--s23-muted); border-bottom: 3px solid transparent; white-space: nowrap; }
.s23-cattabs-list li a:hover { color: var(--s23-ink); }
.s23-cattabs-list li.is-on a { color: var(--s23-red); border-bottom-color: var(--s23-red); }
.s23-subline { background: var(--s23-paper); border-bottom: 1px solid var(--s23-line); }
.s23-subline-list { display: flex; flex-wrap: wrap; gap: 8px 10px; padding: 12px 0; }
.s23-subline-list a { display: inline-block; background: #fff; border: 1px solid var(--s23-line); padding: 5px 14px; font-size: 13px; border-radius: 999px; color: var(--s23-text); }
.s23-subline-list a:hover { border-color: var(--s23-red); color: var(--s23-red); }
.s23-cat-intro { background: var(--s23-red-soft); border-left: 3px solid var(--s23-red); margin: 28px auto 0; max-width: var(--s23-wrap); }
.s23-cat-intro p { padding: 16px 22px; color: var(--s23-red-deep); font-size: 14.5px; }

/* ---------- 栏目两列/三列卡片网格 ---------- */
.s23-cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.s23-cat-grid-3 { grid-template-columns: repeat(3, 1fr); }
.s23-cat-foot { margin-top: 44px; }

/* ---------- 横向条目（搜索/专题结果） ---------- */
.s23-rows { display: flex; flex-direction: column; }
.s23-row { display: grid; grid-template-columns: 92px 1fr 148px; gap: 20px; align-items: center; padding: 18px 4px; border-bottom: 1px solid var(--s23-line); }
.s23-row-date { color: var(--s23-red); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.6; }
.s23-row-body { min-width: 0; }
.s23-row-title { font-size: 16.5px; font-weight: 700; line-height: 1.5; color: var(--s23-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.s23-row-title a:hover { color: var(--s23-red); }
.s23-row-desc { color: var(--s23-muted); font-size: 13.5px; margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s23-row-meta { display: flex; align-items: center; gap: 12px; margin-top: 8px; color: var(--s23-muted); font-size: 12px; }
.s23-row-cat { background: var(--s23-red-soft); color: var(--s23-red-deep); padding: 2px 9px; border-radius: 999px; font-size: 11.5px; }
.s23-row-pic { display: block; aspect-ratio: 8 / 5; overflow: hidden; border-radius: var(--s23-radius); background: var(--s23-ink); }
.s23-row-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.s23-row:hover .s23-row-pic img { transform: scale(1.05); }
.s23-row-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; background: linear-gradient(135deg, var(--s23-ink), var(--s23-ink-soft)); color: rgba(255, 255, 255, .3); font-size: 14px; font-weight: 800; letter-spacing: 3px; }

/* ---------- 窄心阅读版式（内页） ---------- */
.s23-read { max-width: 760px; margin: 0 auto; padding: 44px 20px 10px; }
.s23-read-head { text-align: center; margin-bottom: 28px; }
.s23-read-head h1 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; line-height: 1.45; color: var(--s23-ink); margin-top: 14px; letter-spacing: -0.3px; }
.s23-read-meta { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 16px; color: var(--s23-muted); font-size: 13px; }
.s23-read-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--s23-red); }
.s23-read-lead { background: var(--s23-paper); border-left: 3px solid var(--s23-red); padding: 16px 20px; margin-bottom: 26px; color: var(--s23-ink-soft); font-size: 15px; }
.s23-read-cover { margin: 0 0 28px; }
.s23-read-cover img { width: 100%; border-radius: var(--s23-radius); }
.s23-read-cover figcaption { text-align: center; color: var(--s23-muted); font-size: 12.5px; margin-top: 10px; }
.s23-read-body { font-size: 16px; line-height: 1.9; color: var(--s23-text); word-break: break-word; }
.s23-read-body p { margin: 0 0 18px; }
.s23-read-body h2 { font-size: 21px; margin: 30px 0 14px; color: var(--s23-ink); }
.s23-read-body h3 { font-size: 18px; margin: 24px 0 12px; color: var(--s23-ink); }
.s23-read-body img { border-radius: var(--s23-radius); margin: 10px auto; }
.s23-read-body ul, .s23-read-body ol { margin: 0 0 18px 22px; list-style: disc; }
.s23-read-body ol { list-style: decimal; }
.s23-read-body li { margin-bottom: 6px; }
.s23-read-body blockquote { background: var(--s23-paper); border-left: 3px solid var(--s23-red); padding: 14px 18px; margin: 0 0 18px; color: var(--s23-ink-soft); }
.s23-read-body a { color: var(--s23-red); text-decoration: underline; text-underline-offset: 3px; }
.s23-read-body table { width: 100%; border-collapse: collapse; margin-bottom: 18px; font-size: 14px; }
.s23-read-body th, .s23-read-body td { border: 1px solid var(--s23-line); padding: 9px 12px; }
.s23-read-body th { background: var(--s23-paper); }
.s23-read-tags { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--s23-line); display: flex; align-items: flex-start; gap: 14px; }
.s23-read-tags-cap { flex-shrink: 0; color: var(--s23-muted); font-size: 13px; padding-top: 7px; }

/* ---------- 上下篇 ---------- */
.s23-sibling { margin: 36px 0 0; }
.s23-sibling-in { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.s23-sibling-item { border: 1px solid var(--s23-line); border-radius: var(--s23-radius); padding: 16px 20px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.s23-sibling-item:hover { border-color: var(--s23-red); }
.s23-sibling-item em { font-style: normal; color: var(--s23-red); font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.s23-sibling-item span { color: var(--s23-text); font-size: 14.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.s23-sibling-up span::before { content: "\2190 "; color: var(--s23-muted); }
.s23-sibling-down { text-align: right; }
.s23-sibling-down span::after { content: " \2192"; color: var(--s23-muted); }

/* ---------- 图集 ---------- */
.s23-gal { padding: 40px 0 12px; }
.s23-gal-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
.s23-gal-head h1 { font-size: clamp(20px, 2.6vw, 27px); font-weight: 800; color: var(--s23-ink); line-height: 1.4; }
.s23-gal-count { color: var(--s23-muted); font-size: 14px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.s23-gal-count strong { color: var(--s23-red); font-size: 22px; font-weight: 800; }
.s23-gal-stage { background: var(--s23-ink); border-radius: var(--s23-radius); overflow: hidden; position: relative; }
.s23-gal-stage img { width: 100%; max-height: 640px; object-fit: contain; margin: 0 auto; }
.s23-gal-stage figcaption { position: absolute; left: 0; right: 0; bottom: 0; background: linear-gradient(transparent, rgba(20, 22, 26, .82)); color: #fff; padding: 28px 20px 14px; font-size: 13.5px; }
.s23-gal-empty { display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 9; color: rgba(255, 255, 255, .4); letter-spacing: 4px; }
.s23-gal-thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-top: 14px; }
.s23-gal-thumbs a { display: block; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--s23-radius); border: 2px solid transparent; opacity: .65; }
.s23-gal-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.s23-gal-thumbs li.is-on a { border-color: var(--s23-red); opacity: 1; }
.s23-gal-desc { max-width: none; padding-top: 28px; }
.s23-gal-desc h2 { font-size: 20px; font-weight: 800; color: var(--s23-ink); margin-bottom: 14px; }

/* ---------- 单页 / 题头条 ---------- */
.s23-phead { background: var(--s23-ink); padding: 46px 0 42px; }
.s23-phead-crumb { font-size: 13px; color: rgba(255, 255, 255, .55); display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.s23-phead-crumb a:hover { color: var(--s23-red-light); }
.s23-phead h1 { color: #fff; font-size: clamp(24px, 3vw, 32px); font-weight: 800; letter-spacing: -0.3px; }
.s23-phead-sub { color: rgba(255, 255, 255, .6); margin-top: 10px; font-size: 14.5px; }
.s23-single-wrap { max-width: 860px; }
.s23-single-intro h2 { font-size: 22px; font-weight: 800; color: var(--s23-ink); margin-bottom: 12px; }
.s23-single-intro p { color: var(--s23-muted); margin-bottom: 30px; }
.s23-single-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 34px; }
.s23-single-card { border: 1px solid var(--s23-line); border-top: 3px solid var(--s23-red); border-radius: var(--s23-radius); padding: 26px 26px 22px; background: #fff; }
.s23-single-card-idx { width: 34px; height: 34px; background: var(--s23-red); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; border-radius: var(--s23-radius); margin-bottom: 14px; }
.s23-single-card h3 { font-size: 18px; font-weight: 700; color: var(--s23-ink); margin-bottom: 10px; }
.s23-single-card > p { color: var(--s23-muted); font-size: 14px; margin-bottom: 14px; }
.s23-single-card ul li { position: relative; padding: 5px 0 5px 22px; font-size: 14px; color: var(--s23-text); }
.s23-single-card ul li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: var(--s23-red); }
.s23-single-cta { display: flex; gap: 14px; flex-wrap: wrap; padding: 26px; background: var(--s23-paper); border-radius: var(--s23-radius); }

/* ---------- 搜索页 / so 页 ---------- */
.s23-search-hero { background: var(--s23-paper); padding: 56px 0 48px; text-align: center; }
.s23-search-hero h1 { font-size: clamp(24px, 3vw, 30px); font-weight: 800; color: var(--s23-ink); }
.s23-search-hero .s23-search-form-lg { margin: 26px auto 0; }
.s23-search-hint { color: var(--s23-muted); font-size: 14px; margin-top: 16px; }
.s23-search-hint b { color: var(--s23-red); }
.s23-so-hero { background: var(--s23-ink); padding: 60px 0 52px; text-align: center; }
.s23-so-hero h1 { color: #fff; font-size: clamp(24px, 3vw, 30px); font-weight: 800; }
.s23-so-hero p { color: rgba(255, 255, 255, .6); margin-top: 8px; font-size: 14.5px; }
.s23-so-hero .s23-search-form-lg { margin: 28px auto 0; }
.s23-so-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.s23-so-card { position: relative; border: 1px solid var(--s23-line); border-left: 4px solid var(--s23-red); border-radius: var(--s23-radius); padding: 26px 56px 26px 26px; background: #fff; transition: box-shadow .25s ease, transform .25s ease; display: block; }
.s23-so-card:hover { box-shadow: var(--s23-shadow); transform: translateY(-2px); }
.s23-so-card-arrow { position: absolute; right: 22px; top: 50%; transform: translateY(-50%); color: var(--s23-red); font-size: 22px; transition: transform .2s ease; }
.s23-so-card:hover .s23-so-card-arrow { transform: translateY(-50%) translateX(5px); }
.s23-so-card-name { font-size: 19px; font-weight: 700; color: var(--s23-ink); }
.s23-so-card-sub { color: var(--s23-muted); font-size: 13px; margin-top: 6px; }
.s23-so-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }

/* ---------- 标签专题页 ---------- */
.s23-tagcats { background: #fff; border-bottom: 1px solid var(--s23-line); }
.s23-tagcats-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 0; }
.s23-tagcats-list a { display: inline-block; border: 1px solid var(--s23-line); border-radius: 999px; padding: 6px 16px; font-size: 13.5px; color: var(--s23-text); }
.s23-tagcats-list a:hover { border-color: var(--s23-red); color: var(--s23-red); background: var(--s23-red-soft); }
.s23-tagcloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.s23-tagcloud .s23-chip { padding: 9px 18px; font-size: 14.5px; }

/* ---------- 专题列表页尾 widget 并排 ---------- */
.s23-cat-foot .s23-widget + .s23-widget { margin-top: 18px; }

/* ---------- 404 ---------- */
.s23-404 { text-align: center; padding: 84px 20px 40px; }
.s23-404-num { font-size: clamp(72px, 12vw, 130px); font-weight: 800; line-height: 1; color: transparent; -webkit-text-stroke: 2px var(--s23-red); font-variant-numeric: tabular-nums; }
.s23-404 h1 { font-size: 22px; font-weight: 700; color: var(--s23-ink); margin-top: 18px; }
.s23-404-tip { color: var(--s23-muted); font-size: 14.5px; margin-top: 10px; }
.s23-404-act { display: flex; gap: 14px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }

/* ---------- 空状态 ---------- */
.s23-empty { text-align: center; padding: 56px 20px; background: var(--s23-paper); border-radius: var(--s23-radius); margin: 10px 0; }
.s23-empty-mark { width: 52px; height: 52px; margin: 0 auto; background: var(--s23-red); color: #fff; font-size: 26px; font-weight: 800; display: flex; align-items: center; justify-content: center; border-radius: 50%; }
.s23-empty h1, .s23-empty h2 { font-size: 19px; color: var(--s23-ink); margin-top: 16px; }
.s23-empty p { color: var(--s23-muted); font-size: 14px; margin-top: 8px; }
.s23-empty .s23-btn { margin-top: 18px; }

/* ---------- 分页 ---------- */
.s23-pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 36px 0 0; }
.s23-pagination a, .s23-pagination span { min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; padding: 0 12px; border: 1px solid var(--s23-line); border-radius: var(--s23-radius); font-size: 14px; color: var(--s23-text); background: #fff; }
.s23-pagination a:hover { border-color: var(--s23-red); color: var(--s23-red); }
.s23-pagination .is-on, .s23-pagination .active, .s23-pagination span.is-on { background: var(--s23-red); border-color: var(--s23-red); color: #fff; font-weight: 600; }

/* ---------- footer：炭墨 CTA 型 ---------- */
.s23-foot-cta { background: var(--s23-red-deep); padding: 46px 0; }
.s23-foot-cta-in { max-width: var(--s23-wrap); margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.s23-foot-cta h2 { color: #fff; font-size: clamp(20px, 2.4vw, 26px); font-weight: 800; }
.s23-foot-cta p { color: rgba(255, 255, 255, .75); font-size: 14px; margin-top: 8px; max-width: 560px; }
.s23-foot-cta-act { display: flex; gap: 12px; flex-wrap: wrap; }
.s23-foot-main { background: var(--s23-ink); padding: 56px 0 46px; }
.s23-foot-grid { max-width: var(--s23-wrap); margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; }
.s23-foot-logo { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.s23-foot-desc { color: rgba(255, 255, 255, .55); font-size: 13.5px; line-height: 1.8; margin-top: 14px; }
.s23-foot-tel { color: #fff; font-size: 13.5px; margin-top: 18px; }
.s23-foot-tel strong { display: block; font-size: 24px; font-weight: 800; color: var(--s23-red-light); margin-top: 4px; letter-spacing: 1px; }
.s23-foot-mail { color: rgba(255, 255, 255, .55); font-size: 13px; margin-top: 8px; }
.s23-foot-col h3 { color: #fff; font-size: 15px; font-weight: 700; letter-spacing: 1px; margin-bottom: 18px; padding-left: 12px; border-left: 3px solid var(--s23-red); }
.s23-foot-col li { margin-bottom: 10px; }
.s23-foot-col a { color: rgba(255, 255, 255, .6); font-size: 14px; }
.s23-foot-col a:hover { color: var(--s23-red-light); }
.s23-foot-bar { background: #0D0F12; padding: 18px 0; }
.s23-foot-bar-in { max-width: var(--s23-wrap); margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.s23-foot-bar p { color: rgba(255, 255, 255, .4); font-size: 12.5px; }
.s23-foot-bar a { color: rgba(255, 255, 255, .4); }
.s23-foot-bar a:hover { color: var(--s23-red-light); }

/* ---------- 浮动工具条 ---------- */
.s23-float { position: fixed; right: 18px; bottom: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 80; }
.s23-float-item { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; background: var(--s23-ink); color: #fff; border: 0; border-radius: var(--s23-radius); border-bottom: 3px solid var(--s23-red); opacity: 0; pointer-events: none; transform: translateY(8px); transition: all .25s ease; }
.s23-float.show .s23-float-item { opacity: 1; pointer-events: auto; transform: translateY(0); }
.s23-float-item:hover { background: var(--s23-red); }

/* ---------- 滚动显现 ---------- */
.s23-reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.s23-reveal.is-in { opacity: 1; transform: translateY(0); }

/* ---------- demo ---------- */
.s23-demo-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.s23-demo-swatches { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.s23-demo-swatch { font-size: 12.5px; color: var(--s23-muted); }
.s23-demo-swatch span { display: block; height: 42px; border-radius: var(--s23-radius); margin-bottom: 6px; }
.s23-demo-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.s23-demo-biz .s23-biz-row { grid-template-columns: auto 1fr auto; gap: 16px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .s23-menu-item > a { padding: 24px 12px; font-size: 14px; }
    .s23-case-grid { grid-template-columns: repeat(2, 1fr); }
    .s23-hero-cols, .s23-news-grid { grid-template-columns: 1fr; }
    .s23-side-stack { flex-direction: row; }
    .s23-side-card { flex-direction: column; }
    .s23-side-pic { width: 100%; }
}
@media (max-width: 768px) {
    .s23-nav, .s23-head-tel { display: none; }
    .s23-burger { display: flex; }
    .s23-head-in { height: 62px; }
    .s23-sec { padding: 52px 0; }
    .s23-sec-head h2 { font-size: 26px; }
    .s23-cat-grid, .s23-cat-grid-3, .s23-single-cards, .s23-so-grid, .s23-so-foot { grid-template-columns: 1fr; }
    .s23-about-grid { grid-template-columns: 1fr; gap: 36px; }
    .s23-stats { grid-template-columns: repeat(2, 1fr); }
    .s23-row { grid-template-columns: 1fr; gap: 10px; }
    .s23-row-pic { aspect-ratio: 16 / 9; }
    .s23-biz-row { grid-template-columns: auto 1fr; }
    .s23-biz-more { display: none; }
    .s23-sibling-in { grid-template-columns: 1fr; }
    .s23-sibling-down { text-align: left; }
    .s23-foot-grid { grid-template-columns: 1fr; gap: 32px; }
    .s23-foot-cta-in { flex-direction: column; align-items: flex-start; }
    .s23-gal-thumbs { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
    .s23-side-stack { flex-direction: column; }
    .s23-case-grid { grid-template-columns: 1fr; }
    .s23-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .s23-stat dt { font-size: 26px; }
    .s23-hero-brand h1 { font-size: 21px; }
    .s23-read { padding-top: 30px; }
    .s23-read-tags { flex-direction: column; }
}

/* ---------- 动效偏好 / 打印 ---------- */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media print {
    .s23-head, .s23-foot, .s23-float, .s23-ad, .s23-search-bar, .s23-nav-overlay, .s23-drawer { display: none !important; }
    body { background: #fff; }
}
