/* ============================================================
   产品页样式（远极系统风格）— 继承 styles.css 令牌
   ============================================================ */
.p-main{padding-top:0}

/* dark page hero */
.p-hero{position:relative;background:var(--grad-hero);color:#fff;overflow:hidden;padding:calc(var(--nav-h) + 74px) 0 84px;text-align:center}
.p-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(900px 560px at 50% 20%,#000 30%,transparent 78%);mask-image:radial-gradient(900px 560px at 50% 20%,#000 30%,transparent 78%)}
.p-hero .container{position:relative;z-index:2}
.p-hero .eyebrow{color:var(--brand-accent-soft);justify-content:center}
.p-hero h1{font-size:clamp(32px,5.2vw,54px);color:#fff;line-height:1.06;letter-spacing:-.02em;margin:16px auto 16px;max-width:920px}
.p-hero .lead{color:#B8C7DD;font-size:clamp(16px,1.6vw,19px);max-width:700px;margin:0 auto 28px}
.p-hero .hero-cta{display:flex;gap:14px;justify-content:center;align-items:center;flex-wrap:wrap}

/* stat strip on dark hero */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:940px;margin:48px auto 0}
.stat-strip .s{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px 16px;text-align:center;backdrop-filter:blur(6px)}
.stat-strip .s .n{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1}
.stat-strip .s .l{color:#92A2BA;font-size:13px;margin-top:8px}

/* sections */
.p-section{padding:clamp(66px,8vw,100px) 0}
.p-section.alt{background:var(--bg-soft)}
.p-section.dark{background:var(--ink);color:#D5DEEC}
.p-head{max-width:780px;margin:0 auto 48px;text-align:center}
.p-head .eyebrow{margin-bottom:10px}
.p-head h2{font-size:clamp(26px,3.6vw,42px);line-height:1.14;margin-bottom:12px}
.p-head p{color:var(--slate);font-size:17px}
.p-section.dark .p-head p{color:#A7B4C8}
.p-section.dark .eyebrow{color:var(--brand-accent-soft)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* tiles */
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.tile:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.tile h3{font-size:18px;margin-bottom:8px}
.tile p{color:var(--slate);font-size:14.5px;line-height:1.6}
.tile .big{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;margin-bottom:6px;color:var(--brand-blue-700)}
.tile .big.warn{color:var(--brand-red)}
.tile .k{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand-blue-700);text-transform:uppercase;margin-bottom:10px}
.tile .cons{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.tile .con{font-size:12px;color:var(--brand-red);background:rgba(236,28,36,.08);border-radius:6px;padding:3px 9px;font-weight:600}
.p-section.dark .tile{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1)}
.p-section.dark .tile h3{color:#fff}
.p-section.dark .tile p{color:#A7B4C8}
.p-section.dark .tile .big{color:var(--brand-accent-soft)}

.ic-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.ic-chip{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(48,172,250,.14),rgba(124,140,255,.12));color:var(--brand-blue-700)}
.p-section.dark .ic-chip{background:rgba(255,255,255,.08);color:var(--brand-accent-soft)}
.ic-chip svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* funnel */
.funnel{max-width:740px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.fl{border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px;display:flex;align-items:center;gap:18px;background:#fff;box-shadow:var(--shadow-sm);margin:0 auto;transition:transform .3s ease,box-shadow .3s ease}
.fl:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.fl .lv{font-weight:800;color:#fff;font-size:13px;flex:0 0 auto;width:40px;height:40px;border-radius:11px;background:var(--grad-blue);display:grid;place-items:center;box-shadow:var(--shadow-blue)}
.fl .body{flex:1}
.fl .body b{font-size:15px;color:var(--ink)}
.fl .body span{display:block;color:var(--slate);font-size:13px;margin-top:2px}
.fl .pct{font-weight:800;font-size:17px;color:var(--brand-blue-700);flex:0 0 auto}
.fl.r1{width:100%}.fl.r2{width:88%}.fl.r3{width:70%}.fl.r4{width:52%}

/* benchmark (inside dark section) */
.bench{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bench .b{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:26px 18px;text-align:center;transition:transform .3s ease,background .3s ease}
.bench .b:hover{transform:translateY(-4px);background:rgba(255,255,255,.08)}
.bench .b .n{font-size:clamp(22px,2.7vw,30px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1}
.bench .b .l{color:#92A2BA;font-size:13px;margin-top:8px}

/* comparison table */
.cmp{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.cmp table{width:100%;border-collapse:collapse;font-size:14px;min-width:680px;background:#fff}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.cmp thead th{background:var(--ink);color:#fff;font-weight:700;letter-spacing:.02em}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody tr:hover{background:var(--bg-soft)}
.cmp tr.me{background:rgba(48,172,250,.08)}
.cmp tr.me td{font-weight:700;color:var(--ink)}
.cmp .u{color:var(--slate-2);font-size:12px}

/* sku table */
.sku-table{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.sku-table table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:620px;background:#fff}
.sku-table th,.sku-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
.sku-table th{background:var(--bg-soft);font-weight:700;font-size:13px;color:var(--ink-3)}
.sku-table tbody tr:last-child td{border-bottom:none}
.sku-table tbody tr:hover{background:var(--bg-soft)}
.sku-table code{background:var(--bg-soft-2);padding:2px 9px;border-radius:7px;font-size:13px;font-weight:700;color:var(--brand-blue-700)}

/* architecture layers */
.layers{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.layer{border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;background:#fff;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:170px 1fr auto;gap:18px;align-items:center}
.layer .st{font-weight:800;font-size:13px;color:var(--brand-blue-700);letter-spacing:.02em}
.layer .desc{color:var(--slate);font-size:14.5px}
.layer .cyc{font-size:12px;color:var(--slate-2);white-space:nowrap}
.layer.hw{background:var(--bg-soft)}

.p-cta{text-align:center;padding:8px 0}
.p-cta .btn{margin:0 6px}
.note{color:var(--slate-2);font-size:12.5px;text-align:center;margin-top:24px;max-width:780px;margin-left:auto;margin-right:auto;line-height:1.6}
.p-section.dark .note{color:#7d8ba3}

/* Nova Balance is presented as an extension to the flagship Shield line. */
.balance-brief{padding:64px 0}
.balance-brief-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:center;max-width:900px;margin:0 auto}
.balance-brief-mark{min-height:220px;padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow-sm)}
.balance-brief-mark span{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--slate-2);text-transform:uppercase;margin-bottom:auto}
.balance-brief-mark strong{font-size:34px;line-height:1;color:var(--brand-blue-700)}
.balance-brief-mark small{color:var(--slate);font-size:13px;margin-top:9px}
.case-entry-section{background:#f1f2f4}
.case-entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#cfd3da;border:1px solid #cfd3da}
.case-entry{position:relative;min-height:260px;padding:42px;background:#fff;transition:background .25s,color .25s}
.case-entry:hover{background:#111520;color:#fff}
.case-entry>span{font-size:11px;letter-spacing:.16em;color:var(--brand-blue-700)}
.case-entry h3{max-width:520px;margin:54px 0 12px;font-size:28px}
.case-entry:hover h3{color:#fff}
.case-entry p{max-width:540px;color:var(--slate);font-size:15px}
.case-entry:hover p{color:#aab1be}
.case-entry b{position:absolute;right:36px;top:34px;font-size:24px;color:var(--brand-blue)}

@media(max-width:1024px){
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.bench{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .layer{grid-template-columns:1fr;gap:6px}
  .layer .cyc{display:none}
  .balance-brief-grid{grid-template-columns:220px 1fr;gap:30px}
}
@media(max-width:560px){
  .grid-3,.grid-4,.bench,.stat-strip{grid-template-columns:1fr}
  .balance-brief-grid{grid-template-columns:1fr}
  .balance-brief-mark{min-height:160px}
  .case-entry-grid{grid-template-columns:1fr}
  .case-entry{min-height:220px;padding:30px 24px}
  .case-entry h3{margin-top:42px;font-size:24px}
}

/* ---- Editorial product pages ---- */
.p-hero{min-height:76svh;display:flex;align-items:flex-end;padding:170px 0 84px;text-align:left;background:#090B12;isolation:isolate}
.p-hero::before{background:linear-gradient(90deg,rgba(9,11,18,.98) 0%,rgba(9,11,18,.76) 54%,rgba(9,11,18,.08) 100%),radial-gradient(circle at 78% 48%,rgba(48,172,250,.2),transparent 26%);mask-image:none;-webkit-mask-image:none}
.p-hero::after{content:"";position:absolute;z-index:1;right:7vw;top:18%;width:min(34vw,490px);aspect-ratio:1;border:1px solid rgba(175,196,255,.28);border-radius:50%;box-shadow:0 0 0 58px rgba(48,172,250,.035),0 0 0 116px rgba(124,140,255,.025)}
.p-hero .container{width:100%;z-index:2}
.p-hero .eyebrow{justify-content:flex-start;color:var(--brand-accent-soft);letter-spacing:.18em}
.p-hero h1{max-width:980px;margin:18px 0 20px;font-size:clamp(48px,6.8vw,88px);line-height:.98;letter-spacing:0}
.p-hero .lead{max-width:780px;margin:0 0 32px;color:#ADB4C1;font-size:18px;line-height:1.7}
.p-hero .hero-cta{justify-content:flex-start}
.p-hero .btn-primary{background:#fff;color:#090B12;border-color:#fff}
.p-hero .btn-ghost{background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.65);border-radius:0;color:#fff;padding-left:0;padding-right:0}
.stat-strip{max-width:none;grid-template-columns:repeat(4,1fr);gap:0;margin-top:58px;border-top:1px solid #373B46;border-bottom:1px solid #373B46}
.stat-strip .s{padding:28px 24px 26px 0;text-align:left;background:transparent;border:0;border-right:1px solid #373B46;border-radius:0;backdrop-filter:none}
.stat-strip .s:not(:first-child){padding-left:28px}
.stat-strip .s:last-child{border-right:0}
.stat-strip .s .n{font-size:clamp(28px,3vw,42px)}
.stat-strip .s .l{color:#808898}

.p-section{padding:124px 0}
.p-section.alt{background:#F1F2F4}
.p-section.dark{background:#090B12}
.p-head{max-width:none;margin:0 0 64px;text-align:left}
.p-head h2{max-width:930px;font-size:clamp(36px,4.8vw,62px);line-height:1.05;margin:12px 0 18px;letter-spacing:0}
.p-head p{max-width:760px;font-size:17px;line-height:1.7}
.grid-2,.grid-3,.grid-4{gap:1px;background:#D3D6DC;border:1px solid #D3D6DC}
.tile{padding:38px;background:#fff;border:0;border-radius:0;box-shadow:none}
.tile h3{font-size:20px}
.tile .big{font-size:clamp(34px,4vw,54px);letter-spacing:0}
.tile .big.warn{color:#C92831}
.tile .con{border-radius:2px}
.p-section.dark .grid-2,.p-section.dark .grid-3,.p-section.dark .grid-4{background:#343845;border-color:#343845}
.p-section.dark .tile{background:#090B12;border:0}
.p-section.dark .tile .big{color:#fff}
.ic-chip{border-radius:2px;background:#111520;color:#fff}
.p-section.dark .ic-chip{background:#fff;color:#090B12}

.funnel{max-width:none;gap:0;border-top:1px solid #C9CDD4;border-bottom:1px solid #C9CDD4}
.fl,.fl.r1,.fl.r2,.fl.r3,.fl.r4{width:100%;padding:24px 20px;margin:0;background:#fff;border:0;border-bottom:1px solid #D9DCE2;border-radius:0;box-shadow:none}
.fl:last-child{border-bottom:0}
.fl .lv{border-radius:2px;background:#111520;box-shadow:none}
.bench{grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #343845;border-left:1px solid #343845}
.bench .b{padding:34px 22px;text-align:left;background:transparent;border:0;border-right:1px solid #343845;border-bottom:1px solid #343845;border-radius:0}
.bench .b:hover{transform:none;background:transparent}
.bench .b .n{font-size:clamp(28px,3vw,42px)}
.cmp,.sku-table{border-radius:0;border-color:#C9CDD4;box-shadow:none}
.cmp thead th{background:#111520}
.sku-table th{background:#ECEEF1}
.layer{grid-template-columns:190px 1fr auto;padding:26px 24px;background:#fff;border:0;border-bottom:1px solid #D5D8DE;border-radius:0;box-shadow:none}
.layers{max-width:none;gap:0;border-top:1px solid #D5D8DE}
.layer.hw{background:#F1F2F4}
.note{text-align:left;max-width:none;margin-left:0;margin-right:0}
.balance-brief{padding:92px 0}
.balance-brief-grid{max-width:none;grid-template-columns:300px 1fr;border-top:1px solid #C9CDD4;border-bottom:1px solid #C9CDD4;gap:0}
.balance-brief-mark{min-height:260px;padding:32px;background:transparent;border:0;border-right:1px solid #C9CDD4;border-radius:0;box-shadow:none}
.balance-brief-grid>div:last-child{padding:38px 48px}

@media(max-width:1024px){
  .p-hero::after{right:-10vw;width:48vw}
  .stat-strip{grid-template-columns:1fr 1fr}
  .grid-2,.grid-3,.grid-4,.bench{grid-template-columns:1fr 1fr}
  .layer{grid-template-columns:1fr;gap:8px}
  .balance-brief-grid{grid-template-columns:240px 1fr}
}
@media(max-width:720px){
  .p-hero{min-height:0;padding:108px 0 36px}
  .p-hero::after{right:-48vw;top:26%;width:100vw;opacity:.7}
  .p-hero h1{font-size:44px}
  .p-hero .lead{font-size:15.5px;line-height:1.58}
  .stat-strip{grid-template-columns:1fr 1fr;margin-top:30px}
  .grid-2,.grid-3,.grid-4,.bench{grid-template-columns:1fr}
  .stat-strip .s,.stat-strip .s:not(:first-child){padding:20px 12px 18px 0;border-right:1px solid #373B46;border-bottom:1px solid #373B46}
  .stat-strip .s:nth-child(even){padding-left:16px;border-right:0}
  .stat-strip .s .n{font-size:25px}
  .p-section{padding:84px 0}
  .p-head{margin-bottom:42px}
  .p-head h2{font-size:36px}
  .tile{padding:30px 24px}
  .fl{align-items:flex-start}
  .balance-brief-grid{grid-template-columns:1fr}
  .balance-brief-mark{min-height:180px;border-right:0;border-bottom:1px solid #C9CDD4}
  .balance-brief-grid>div:last-child{padding:32px 0}
}