/* ============================================================
   Dreamind AI — 多页面系统组件样式
   子页首屏 / 详情排版 / 对比表 / 架构分层 / 时间线 / 联系页
   ============================================================ */
a.card{display:block;color:inherit}
.fcs{color:var(--ink-3);font-size:11.5px}
.mt10{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
.svc-tag{font-size:16px;color:var(--ink);font-weight:600;margin-top:6px}
.chip.xs{padding:3px 10px;font-size:11.5px;font-weight:500}
.cr-tags{margin-left:auto;display:flex;gap:6px}
.post p.l3{-webkit-line-clamp:3}
section.first{padding-top:calc(var(--nav-h) + 66px)}
.flow.five{grid-template-columns:repeat(5,1fr);gap:18px}
.flow.five .step-n{width:58px;height:58px;border-radius:18px;font-size:18px}
.flow.five::before{top:29px}
@media (max-width:1080px){.flow.five{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.flow.five{grid-template-columns:1fr}}

/* 面包屑 */
.crumbs{display:flex;align-items:center;gap:10px;font-size:12.8px;color:var(--ink-3);margin-bottom:26px;flex-wrap:wrap}
.crumbs a{transition:color .26s}
.crumbs a:hover{color:var(--ink)}
.crumbs b{color:var(--ink-2);font-weight:500}
.crumbs span{opacity:.4}

/* 子页首屏 */
.sub-hero{position:relative;padding:calc(var(--nav-h) + 74px) 0 72px;overflow:hidden}
.sub-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2),transparent)}
.sub-hero h1{font-size:clamp(32px,5.2vw,58px);line-height:1.14;letter-spacing:-.03em;font-weight:800;margin-top:24px;max-width:900px}
.sub-hero .lead{margin-top:22px;font-size:17.5px;color:var(--ink-2);max-width:760px;line-height:1.85}
.mini-kpis{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.mini-kpis div{padding:16px 24px;border-radius:var(--r-m);border:1px solid var(--line);background:var(--glass);min-width:150px}
.mini-kpis b{display:block;font-family:var(--font-d);font-size:26px;font-weight:700;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mini-kpis span{font-size:12.5px;color:var(--ink-3)}

/* 详情页骨架 */
.detail{position:relative}
.detail-hero{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:38px;align-items:center}
.dh-glyph{height:100%;min-height:270px;border-radius:var(--r-xl);display:grid;place-items:center;position:relative;overflow:hidden;
  border:1px solid var(--line-2);font-family:var(--font-d);font-size:60px;font-weight:800;letter-spacing:.06em;color:#fff;
  text-shadow:0 16px 50px rgba(0,0,0,.6);
  background:radial-gradient(120% 100% at 10% 0%,rgba(79,140,255,.42),transparent 60%),
  radial-gradient(110% 100% at 100% 100%,rgba(124,92,255,.4),transparent 60%),#18233f}
.dh-img{width:100%;min-height:270px;height:100%;object-fit:cover;border-radius:var(--r-xl);border:1px solid var(--line-2)}
.detail-hero h1{font-size:clamp(26px,3.6vw,40px);letter-spacing:-.02em;line-height:1.28;margin-top:16px}
.detail-hero .lead{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.85}
.meta-row{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.detail-body{max-width:820px;margin:52px auto 0}
.res-band{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.res-band div{padding:14px 22px;border-radius:14px;border:1px solid var(--line);background:var(--glass)}
.res-band b{display:block;font-family:var(--font-d);font-size:24px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.res-band span{font-size:12.5px;color:var(--ink-3)}

/* 正文排版 */
.prose{font-size:16.5px;line-height:1.95;color:#d5dbea}
.prose h2{font-size:25px;margin:44px 0 16px;letter-spacing:-.02em;color:#fff}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;margin:34px 0 12px;color:#fff;scroll-margin-top:calc(var(--nav-h) + 20px)}
.prose p{margin-bottom:18px}
.prose strong{color:#fff;font-weight:700}
.prose ul,.prose ol{margin:0 0 20px;display:grid;gap:10px;padding-left:2px}
.prose ol{counter-reset:n}
.prose li{position:relative;padding-left:22px;color:var(--ink-2)}
.prose ul>li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.prose ol>li{counter-increment:n;list-style:none}
.prose ol>li::before{content:counter(n);position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:6px;
  background:var(--grad-soft);border:1px solid var(--line-2);font-family:var(--font-d);font-size:11px;display:grid;place-items:center;color:var(--ink-2)}
.prose blockquote{margin:26px 0;padding:18px 22px;border-left:2px solid var(--brand);background:rgba(79,140,255,.08);
  border-radius:0 14px 14px 0;color:var(--ink-2);font-size:15.6px}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.prose th,.prose td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.prose code{font-family:ui-monospace,Consolas,monospace;font-size:14px;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px}

/* 文中 CTA / 上下篇 / 相关 */
.cta-inline{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:44px 0 0;padding:24px 26px;
  border-radius:var(--r-l);border:1px solid var(--line-2);background:var(--grad-soft)}
.cta-inline b{display:block;font-size:16px}
.cta-inline span{font-size:13.5px;color:var(--ink-2)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px}
.pn a{padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-l);background:var(--glass);transition:.32s}
.pn a:hover{border-color:rgba(79,140,255,.5);background:rgba(79,140,255,.08);transform:translateY(-3px)}
.pn a.rt{text-align:right}
.pn small{display:block;font-size:12px;color:var(--ink-3);margin-bottom:7px}
.pn b{font-size:15px;font-weight:600;line-height:1.5}
.grp-mini{margin-top:56px}
.grp-mini h3{font-size:19px;margin-bottom:18px}
.post-list.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.post-list.rel .post p{display:none}

/* 文章双栏 + 侧边目录 */
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;max-width:1080px;margin:52px auto 0;align-items:start}
.art-grid .detail-body{margin:0;max-width:none}
.art-side{position:sticky;top:calc(var(--nav-h) + 20px);padding:22px;border-radius:var(--r-l);border:1px solid var(--line);background:var(--glass)}
.art-side h5{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px;font-family:var(--font-d)}
.art-side ul{display:grid;gap:9px}
.art-side li a{font-size:13.4px;color:var(--ink-2);line-height:1.55;display:block;padding-left:11px;
  border-left:1px solid var(--line-2);transition:.26s}
.art-side li a:hover{color:var(--ink);border-left-color:var(--brand);padding-left:14px}
.side-card{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line-2)}
.side-card b{display:block;margin-top:12px;font-size:15.5px}
.side-card p{font-size:13px;color:var(--ink-2);margin:7px 0 14px}
.art-head{max-width:820px;margin:0 auto}
.art-head h1{font-size:clamp(27px,4vw,44px);letter-spacing:-.025em;line-height:1.25;margin:18px 0 0}
.art-head .lead{margin-top:18px;font-size:17px;color:var(--ink-2);line-height:1.85}
.auth{gap:12px;margin-top:26px}
.auth b{display:block;font-size:14px}
.auth span{font-size:12.5px;color:var(--ink-3)}
.auth .avatars span{width:38px;height:38px;font-size:13px}

/* 对比表 */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-l);background:var(--glass)}
.cmp{width:100%;border-collapse:collapse;min-width:640px;font-size:14.6px}
.cmp th,.cmp td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp thead th{font-family:var(--font-d);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);
  background:rgba(255,255,255,.03)}
.cmp tbody th{color:var(--ink);font-weight:600;width:130px;white-space:nowrap}
.cmp td{color:var(--ink-2)}
.cmp td.hi{color:var(--ink);background:linear-gradient(90deg,rgba(79,140,255,.09),rgba(124,92,255,.05))}
.cmp thead th.hi{color:var(--brand)}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}

/* Agent 架构分层 */
.stack{display:grid;gap:12px;max-width:860px;margin:0 auto}
.layer{display:flex;align-items:center;gap:18px;padding:20px 24px;border-radius:var(--r-m);border:1px solid var(--line-2);
  background:linear-gradient(90deg,rgba(79,140,255,.14),rgba(124,92,255,.06));transition:.35s}
.layer:hover{transform:translateX(8px);border-color:rgba(79,140,255,.5);
  background:linear-gradient(90deg,rgba(79,140,255,.24),rgba(34,211,238,.08))}
.layer b{font-size:15.5px;min-width:74px}
.layer span{font-size:13.8px;color:var(--ink-2)}

/* 时间线 */
.tl{position:relative;max-width:820px;margin:0 auto;padding-left:8px}
.tl::before{content:"";position:absolute;left:66px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,transparent,var(--line-2) 12%,var(--line-2) 88%,transparent)}
.tl-item{display:grid;grid-template-columns:66px 1fr;gap:26px;padding:0 0 34px}
.tl-y{font-family:var(--font-d);font-size:14px;font-weight:700;color:var(--cyan);position:relative;padding-top:2px}
.tl-y::after{content:"";position:absolute;right:-10px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--grad);
  box-shadow:0 0 0 4px rgba(5,7,14,.9),0 0 16px var(--brand)}
.tl-item b{display:block;font-size:17px;margin-bottom:7px}
.tl-item p{font-size:14.5px;color:var(--ink-2)}

/* 承诺列表 / 联系页 */
.promises{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.promise{display:flex;gap:16px;padding:22px 24px;border-radius:var(--r-l);border:1px solid var(--line);background:var(--glass)}
.promise b{display:block;font-size:15.5px}
.promise p{margin-top:7px;font-size:14px;color:var(--ink-2)}
.pn-n{font-family:var(--font-d);font-size:13px;font-weight:700;color:var(--brand);flex:0 0 auto;padding-top:2px}
.map-card{position:relative;height:260px;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line-2);
  background:radial-gradient(90% 120% at 20% 0%,rgba(79,140,255,.22),transparent 60%),#18233f}
.map-card .mg{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px}
.map-card .pin{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);display:grid;place-items:center;gap:8px;text-align:center}
.map-card .pin i{width:14px;height:14px;border-radius:50%;background:var(--grad);animation:pulse 2.4s infinite}
.map-card .pin b{font-size:14px}
.map-card .pin span{font-size:12.5px;color:var(--ink-3)}

/* 备案栏 */
.beian{display:grid;gap:8px;line-height:1.7}
.beian .cr{color:var(--ink-2)}
.beian-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px}
.beian-line a{color:var(--ink-3);transition:color .26s}
.beian-line a:hover{color:var(--ink)}
.beian-line a.gongan{display:inline-flex;align-items:center;gap:6px}
.beian-line a.gongan svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.beian-line .entity{color:var(--ink-3)}
.f-bot{align-items:flex-start}
.chip em{font-style:normal;opacity:.55;font-size:10.5px;margin-left:2px}

/* 移动端底部拨号条 */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:960;display:none;grid-template-columns:1.2fr 1fr 1fr;
  border-top:1px solid var(--line-2);background:rgba(7,11,20,.94);backdrop-filter:blur(16px);
  padding:9px 12px calc(9px + env(safe-area-inset-bottom));transform:translateY(130%);transition:transform .4s cubic-bezier(.3,1,.4,1)}
.callbar.on{transform:none}
.callbar.hide{transform:translateY(130%)}
.callbar a,.callbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:7px 4px;border-radius:14px;font-size:12px;font-weight:600;border:0;background:none;cursor:pointer;color:var(--ink-2);
  font-family:inherit;line-height:1.3}
.callbar svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.callbar .cb-main{background:var(--grad);color:#061021;box-shadow:0 8px 24px -10px rgba(79,140,255,.9)}
.callbar .cb-btn{border:1px solid var(--line);margin-left:8px}

a.info-item{color:inherit;text-decoration:none}
a.info-item:hover{border-color:rgba(79,140,255,.45);background:rgba(79,140,255,.06)}
.chk-grid{display:grid;gap:10px}
.chk{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);cursor:pointer;font-size:13.8px;color:var(--ink-2);transition:.28s;font-weight:500}
.chk:hover{border-color:var(--line-2);color:var(--ink)}
.chk input{width:16px;height:16px;flex:0 0 auto;margin-top:2px;accent-color:#4f8cff;cursor:pointer}
.chk:has(input:checked){border-color:rgba(79,140,255,.55);background:rgba(79,140,255,.1);color:var(--ink)}

@media (min-width:1081px){.callbar{display:none!important}}
@media (max-width:1080px){
  .callbar{display:grid}
  body{padding-bottom:72px}
  .totop{bottom:84px}
}

/* 列表页工具条 */
.list-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}

.cnt-line{font-size:13.4px;color:var(--ink-3)}
.cnt-line b{color:var(--ink);font-family:var(--font-d)}
.empty a{color:var(--brand);text-decoration:underline}
#postGrid.post-list{grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:900px){#postGrid.post-list{grid-template-columns:1fr}}

/* 响应式 */
@media (max-width:1080px){
  .art-grid{grid-template-columns:1fr;gap:28px}
  .art-side{position:static}
  .post-list.rel{grid-template-columns:repeat(2,1fr)}
  .detail-hero{grid-template-columns:1fr;gap:26px}
  .dh-glyph,.dh-img{min-height:200px}
}
@media (max-width:760px){
  .sub-hero{padding:calc(var(--nav-h) + 46px) 0 54px}
  .post-list.rel,.promises{grid-template-columns:1fr}
  .pn{grid-template-columns:1fr}
  .pn a.rt{text-align:left}
  .layer{flex-direction:column;align-items:flex-start;gap:8px}
  .tl-item{grid-template-columns:56px 1fr;gap:18px}
  .tl::before{left:56px}
  .cta-inline{flex-direction:column;align-items:flex-start}
  .mini-kpis div{flex:1 1 44%}
}