/* 客户案例：汇总页 cases/index.html + 三个案例详情页。和 solutions.css 一起引用（沿用它的首屏、区块、标题样式） */
.cs-page{--sn:0px}

/* 新闻卡同款卡片：图片铺满、底部渐暗、杏色小标签、圆形箭头按钮 */
.cs-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.cs-cards.n2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cs-card{position:relative;border-radius:22px;overflow:hidden;color:#fff;background:var(--ink-2);display:block;aspect-ratio:4/3.4}
.cs-cards.n2 .cs-card{aspect-ratio:16/9}
.cs-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s}
.cs-card:hover img{transform:scale(1.06)}
.cs-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,17,22,.9) 0%,rgba(14,17,22,.4) 52%,rgba(14,17,22,.05) 100%)}
.cs-card .bd{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:clamp(18px,2vw,32px);display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.cs-card small{display:block;font-size:13px;font-weight:700;color:var(--apricot);letter-spacing:.04em}
.cs-card h3{margin-top:8px;font-size:clamp(18px,1.5vw,24px);font-weight:800;line-height:1.45}
.cs-card p{margin-top:6px;font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.75)}
.cs-card .go{flex:none;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.14);transition:background .25s}
.cs-card .go .ic{font-size:20px}
.cs-card:hover .go{background:var(--red)}
.cs-card[hidden]{display:none}

/* 汇总页：分类筛选 */
.cs-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:clamp(24px,4vh,40px)}
.cs-tabs a{display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:99px;border:1px solid var(--line);font-size:15px;font-weight:600;color:rgba(36,39,42,.7);transition:.2s}
.cs-tabs a:hover{color:var(--ink);border-color:rgba(36,39,42,.35)}
.cs-tabs a.on{background:var(--ink);border-color:var(--ink);color:#fff}
.cs-empty{color:rgba(36,39,42,.6);font-size:15px}

/* 汇总页首屏：压矮，让下面的案例卡在第一屏就露出来 */
.s2-hero.cs-hero-sm{min-height:clamp(320px,44vh,440px)}
.cs-hero-sm .s2-in{padding-top:clamp(36px,6vh,64px);padding-bottom:clamp(36px,6vh,64px)}
.cs-hero-sm h1{font-size:clamp(32px,3.4vw,54px);margin:14px 0 14px}
.cs-hero-sm .lead{margin-bottom:clamp(20px,3vh,32px)}
.cs-hero-sm + .s2-sec{padding-top:clamp(36px,5vh,56px)}
@media (max-width:899px){.s2-hero.cs-hero-sm{min-height:0}}

/* ===== 详情页（参考飞书客户案例）：浅底首屏 + 左正文右侧栏 ===== */
.cd-hero{background:#F2F5F8}
.cd-hero-in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(28px,4vw,72px);align-items:center;padding-top:clamp(36px,6vh,72px);padding-bottom:clamp(40px,7vh,80px)}
.cd-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:rgba(36,39,42,.55);margin-bottom:18px;transition:color .2s}
.cd-back:hover{color:var(--red)}
.cd-tag{display:table;padding:4px 12px;border-radius:6px;background:rgba(249,53,73,.1);color:var(--red);font-size:13px;font-weight:700}
.cd-hero h1{margin-top:14px;font-size:clamp(28px,2.7vw,44px);line-height:1.3}
.cd-sum{margin-top:16px;font-size:clamp(15px,1.05vw,17px);line-height:1.85;color:rgba(36,39,42,.72);max-width:40em}
.cd-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,32px);margin-top:clamp(24px,4vh,40px)}
.cd-stats b{display:block;font-size:clamp(32px,2.8vw,46px);font-weight:500;line-height:1.1;color:var(--red);letter-spacing:-.01em}
.cd-stats b em{font-style:normal;font-size:.42em;margin-left:.15em}
.cd-stats span{display:block;margin-top:8px;font-size:14px;line-height:1.55;color:rgba(36,39,42,.62)}
.cd-hero-im{margin:0}
.cd-hero-im img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);box-shadow:0 24px 48px -28px rgba(20,23,28,.35)}

.cd-body{padding:clamp(48px,8vh,96px) 0}
.cd-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(32px,5vw,88px);align-items:start}
.cd-art{max-width:780px;font-size:clamp(16px,1.08vw,17.5px);line-height:1.95;color:rgba(36,39,42,.86)}
.cd-art p+p,.cd-art p+ul,.cd-art ul+p,.cd-art .cd-tw+p{margin-top:1em}
.cd-art b{color:var(--ink);font-weight:700}
.cd-art h2{margin:clamp(40px,6vh,64px) 0 16px;font-size:clamp(20px,1.6vw,26px);line-height:1.45;color:var(--ink)}
.cd-art ul{display:grid;gap:8px;margin-top:1em}
.cd-art li{position:relative;padding-left:20px}
.cd-art li::before{content:"";position:absolute;left:2px;top:.85em;width:6px;height:6px;border-radius:50%;background:var(--red)}
.cd-intro{font-size:1.04em}
.cd-close{margin-top:clamp(40px,6vh,64px)!important;padding-top:24px;border-top:1px solid var(--line)}
.cd-src{margin-top:20px!important;font-size:14px;color:rgba(36,39,42,.5)}
.cd-src a{display:inline-flex;align-items:center;gap:4px;color:var(--ink);font-weight:600;border-bottom:1px solid currentColor}
.cd-fig{margin:28px 0 8px}
.cd-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md)}
.cd-fig figcaption{margin-top:10px;font-size:14px;text-align:center;color:rgba(36,39,42,.5)}
.cd-tw{margin-top:1.2em;overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.cd-tb{width:100%;border-collapse:collapse;font-size:15px;line-height:1.6}
.cd-tb th,.cd-tb td{text-align:left;padding:12px 18px;border-bottom:1px solid var(--line)}
.cd-tb th{background:#F2F5F8;font-size:13px;font-weight:700;color:rgba(36,39,42,.6)}
.cd-tb tr:last-child td{border-bottom:0}
.cd-tb td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}

/* 客户原话卡：人名 + 身份 + 引语 */
.cd-q{margin:0 0 16px;padding:clamp(20px,2vw,30px);border-radius:var(--r-md);background:linear-gradient(135deg,#F7F9FB,#EEF2F6)}
.cd-q figcaption{display:flex;align-items:center;gap:12px}
.cd-av{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:17px}
.cd-q figcaption b{display:block;font-size:16px;line-height:1.3}
.cd-q figcaption small{display:block;font-size:13px;color:rgba(36,39,42,.55)}
.cd-q blockquote{margin:14px 0 0;font-size:clamp(16px,1.15vw,18px);font-weight:600;line-height:1.75;color:var(--ink)}
.cd-q+.cd-intro{margin-top:clamp(28px,4vh,40px)}

/* 右侧固定侧栏 */
.cd-side{position:sticky;top:calc(var(--hh) + 24px)}
.cd-box{border:1px solid var(--line);border-radius:var(--r-md);padding:24px;background:#fff;box-shadow:0 16px 40px -28px rgba(20,23,28,.3)}
.cd-box-h{font-size:17px;font-weight:800}
.cd-box dl{margin-top:8px}
.cd-box dl div{padding:10px 0;border-bottom:1px solid var(--line)}
.cd-box dt{font-size:12.5px;color:rgba(36,39,42,.5)}
.cd-box dd{margin:2px 0 0;font-size:14.5px;font-weight:600;line-height:1.55}
.cd-mods{margin-top:16px}
.cd-mods p{font-size:12.5px;color:rgba(36,39,42,.5);margin-bottom:6px}
.cd-mods a{display:flex;align-items:center;gap:10px;padding:8px;margin:0 -8px;border-radius:12px;transition:background .2s}
.cd-mods a:hover{background:#F2F5F8}
.cd-mods img{width:44px;height:44px;object-fit:contain}
.cd-mods span{flex:1}.cd-mods b{display:block;font-size:14.5px}.cd-mods small{font-size:12.5px;color:rgba(36,39,42,.55)}
.cd-box .pill{width:100%;justify-content:center;margin-top:20px;height:46px}
.cd-orig{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;font-size:14px;font-weight:600;color:rgba(36,39,42,.6)}
.cd-orig:hover{color:var(--ink)}

@media (max-width:1100px){
 .cd-grid{grid-template-columns:1fr}
 .cd-side{position:static}
 .cd-art{max-width:none}
}
@media (max-width:899px){
 .cs-cards,.cs-cards.n2{grid-template-columns:1fr;gap:.75rem}
 .cs-cards.n2 .cs-card{aspect-ratio:4/3}
 .cd-hero-in{grid-template-columns:1fr}
 .cd-stats{grid-template-columns:1fr 1fr 1fr;gap:12px}
 .cd-stats b{font-size:26px}
 .cd-stats span{font-size:12.5px}
}
.cs-page:not(.nd-page) .nw-card h3{font-size:clamp(19px,1.45vw,22px);font-weight:800;line-height:1.45;min-height:0}