:root{
  --bg:#ffffff;
  --bg-soft:#f5f7fc;
  --bg-soft-2:#eef1fa;
  --ink:#0a0f1f;
  --ink-2:#1b2336;
  --muted:#5b6478;
  --muted-2:#8a93a6;
  --line:rgba(10,15,31,.08);
  --line-2:rgba(10,15,31,.12);
  --brand:#4f46e5;
  --brand-2:#2563eb;
  --violet:#7c3aed;
  --cyan:#06b6d4;
  --grad:linear-gradient(120deg,#2563eb 0%,#7c3aed 50%,#06b6d4 100%);
  --grad-soft:linear-gradient(120deg,rgba(37,99,235,.12),rgba(124,58,237,.12),rgba(6,182,212,.12));
  --ink-grad:linear-gradient(120deg,#1b1f47,#2a2170 55%,#0e3b63);
  --shadow-sm:0 1px 2px rgba(10,15,31,.06);
  --shadow:0 12px 40px rgba(31,41,99,.10);
  --shadow-lg:0 30px 80px rgba(31,41,99,.16);
  --r:14px;--r-lg:22px;
  --max:1180px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Hiragino Sans GB","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --font-display:var(--font-sans);
  --font-mono:"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--ink-2);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.12;letter-spacing:-.02em;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:var(--font-mono);letter-spacing:.02em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:500}

#progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:100;transition:width .1s linear}

/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:90;transition:all .35s ease}
header .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
header.scrolled{background:rgba(255,255,255,.75);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.01em}
.logo .mark{width:30px;height:30px;flex:0 0 auto;display:block;filter:drop-shadow(0 6px 14px rgba(79,70,229,.3))}
nav.links{display:flex;gap:34px;align-items:center}
nav.links a{font-size:14.5px;color:var(--muted);font-weight:500;transition:color .2s;position:relative}
nav.links a:hover{color:var(--ink)}
nav.links a.active{color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-sans);font-weight:600;font-size:14.5px;padding:11px 20px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(79,70,229,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(79,70,229,.42)}
.btn-ghost{background:rgba(255,255,255,.6);color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{background:#fff;border-color:var(--brand);color:var(--brand)}
.nav-cta{display:flex;gap:12px;align-items:center}

/* hero */
.hero{position:relative;padding:170px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2;background:
  radial-gradient(1100px 600px at 78% -5%,rgba(124,58,237,.14),transparent 60%),
  radial-gradient(900px 600px at 8% 20%,rgba(37,99,235,.13),transparent 55%),
  radial-gradient(800px 500px at 60% 90%,rgba(6,182,212,.10),transparent 60%),
  var(--bg)}
.hero-bg::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(79,70,229,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(79,70,229,.055) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 78% 68% at 50% 42%,#000 25%,transparent 76%);
  mask-image:radial-gradient(ellipse 78% 68% at 50% 42%,#000 25%,transparent 76%)}
#net{position:absolute;inset:0;z-index:-1;width:100%;height:100%;opacity:.9}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:-1;animation:drift 16s ease-in-out infinite}
.blob.b1{width:340px;height:340px;background:rgba(79,70,229,.35);top:-60px;left:-40px}
.blob.b2{width:300px;height:300px;background:rgba(6,182,212,.30);top:120px;right:6%;animation-delay:-6s}
.blob.b3{width:260px;height:260px;background:rgba(124,58,237,.28);bottom:-40px;left:38%;animation-delay:-11s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,40px) scale(1.12)}}
.hero-inner{max-width:840px;position:relative;z-index:2}
.pill{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.7);border:1px solid var(--line-2);border-radius:999px;padding:7px 15px 7px 9px;font-size:13px;font-weight:500;color:var(--ink-2);box-shadow:var(--shadow-sm);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.pill .dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.18)}
.hero h1{font-size:clamp(40px,6vw,72px);margin:26px 0 0;font-weight:700}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:640px;margin:26px 0 0}
.hero .cta-row{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero .btn{padding:14px 26px;font-size:15.5px}

/* hero 两栏 + 自绘视觉 */
.hero-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:46px;align-items:center}
.hero-copy{max-width:660px}
.hero-copy h1{font-size:clamp(38px,5vw,64px)}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto;overflow:visible;display:block}
.iso-layer{animation:isofloat 7s ease-in-out infinite}
.iso-layer.l2{animation-delay:-2.3s}
.iso-layer.l3{animation-delay:-4.6s}
@keyframes isofloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.rise{animation:riseup 3s ease-in-out infinite}
@keyframes riseup{0%{opacity:0;transform:translateY(4px)}18%{opacity:1}82%{opacity:1}100%{opacity:0;transform:translateY(-88px)}}
.tok{animation:tokfloat 3.6s ease-in-out infinite}
@keyframes tokfloat{0%{opacity:0;transform:translateY(8px)}30%{opacity:.95}70%{opacity:.95}100%{opacity:0;transform:translateY(-26px)}}
.iso-label{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em}

/* 卡片自绘图形头部 */
.card .thumb.art{background:linear-gradient(140deg,#eff2fc,#e6ecfa 55%,#eae7fc);display:block;overflow:hidden}
.card .thumb.art::before{content:none}
.card .thumb.art svg{width:100%;height:100%;display:block}

/* hero showcase strip (images) */
.showcase{margin-top:54px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px;position:relative;z-index:2}
.shot{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);min-height:150px;background-size:cover;background-position:center}
.shot::after{content:attr(data-label);position:absolute;left:14px;bottom:13px;font-family:var(--font-mono);font-size:11.5px;color:#fff;background:rgba(10,15,31,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:5px 10px;border-radius:7px;letter-spacing:.02em}
.shot.tall{grid-row:span 1}

/* stats */
.stats{margin-top:46px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-lg);background:rgba(255,255,255,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow);overflow:hidden;position:relative;z-index:2}
.stat{position:relative;padding:30px 28px 28px;border-right:1px solid var(--line);overflow:hidden}
.stat:last-child{border-right:none}
.stat::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .7s cubic-bezier(.2,.7,.3,1) .15s}
.stat.in::after{transform:scaleX(1)}
.stat .num{font-family:var(--font-display);font-size:38px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.15;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.stat:hover .num{transform:translateY(-3px)}
.stat .lbl{font-size:13.5px;color:var(--muted);margin-top:6px}

.stats.cols5{grid-template-columns:repeat(5,1fr)}
.stats.cols5 .stat{padding:28px 20px}
.stats.cols5 .stat .num{font-size:32px}
@media(max-width:1200px) and (min-width:901px){.stats.cols5 .stat{padding:24px 12px}.stats.cols5 .stat .num{font-size:26px}.stats.cols5 .stat .lbl{font-size:12px;white-space:nowrap}}
.stats.cols3{grid-template-columns:repeat(3,1fr)}

/* power band（算力租赁特色指标区） */
.power-band{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pw{position:relative;padding:30px 28px 26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s}
.pw::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.pw:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pw:hover::before{transform:scaleX(1)}
.pw-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.pw-idx{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--muted-2)}
.pw-ic{width:38px;height:38px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.pw-ic svg{width:19px;height:19px;stroke:var(--brand);stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pw-v{font-family:var(--font-display);font-weight:700;font-size:38px;line-height:1.1;letter-spacing:-.02em;color:var(--ink)}

.pw-l{font-size:14px;color:var(--muted);margin-top:8px}
.pw-bar{margin-top:18px;height:6px;border-radius:4px;background:var(--bg-soft-2);overflow:hidden}
.pw-bar i{display:block;height:100%;border-radius:4px;background:var(--grad);width:0;transition:width 1.3s cubic-bezier(.2,.7,.3,1)}
.pw.in .pw-bar i{width:var(--w)}
@media(max-width:900px){.power-band{grid-template-columns:1fr}}
.stat-band.cols8{grid-template-columns:repeat(4,1fr)}
.stat-band.cols8 .s{padding:26px 18px;text-align:center}
.stat-band.cols8 .v{font-size:29px}
.stat-band.cols8 .l{font-size:12.5px}
.stat-band.cols8 .s:nth-child(4n){border-right:none}
.stat-band.cols8 .s:nth-child(n+5){border-top:1px solid var(--line)}
@media(max-width:560px){.stats.cols3{grid-template-columns:repeat(2,1fr)}.stats.cols3 .stat:nth-child(2n+1){border-right:1px solid var(--line)}.stats.cols3 .stat:nth-child(2n),.stats.cols3 .stat:last-child{border-right:none}.stats.cols5{grid-template-columns:repeat(5,1fr)}.stats.cols5 .stat{padding:20px 8px}.stats.cols5 .stat .num{font-size:22px}.stats.cols5 .stat .lbl{font-size:11px}}

/* model cards */
.model-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.mcard{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow-sm);padding:30px 20px 26px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s}
.mcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(79,70,229,.35)}
.mcard .name{font-weight:600;font-size:15.5px;color:var(--ink);word-break:break-all}
.mcard .tag{font-size:12px;padding:3px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-weight:400;background:var(--bg-soft)}
.mchip{width:56px;height:56px;flex:none;border-radius:14px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(79,70,229,.16);transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s}
.mchip img{width:32px;height:32px;display:block;filter:drop-shadow(0 2px 6px rgba(79,70,229,.28))}
.mcard:hover .mchip{transform:translateY(-2px) scale(1.06)}
.mcard:hover .mchip img{filter:drop-shadow(0 4px 10px rgba(79,70,229,.4))}
@media(max-width:900px){.model-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.model-grid{grid-template-columns:repeat(2,1fr);gap:12px}.mcard{padding:22px 12px 20px}}

/* sections */
section{position:relative}
.sec{padding:110px 0}
.sec-soft{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 18%,var(--bg-soft) 82%,var(--bg) 100%)}
.head{max-width:660px;margin-bottom:54px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.head h2{font-size:clamp(30px,4vw,46px);margin-top:14px;font-weight:700}
.head p{color:var(--muted);font-size:17px;margin-top:16px}

/* service cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:0 0 30px;box-shadow:var(--shadow-sm);transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s,border-color .35s;position:relative;overflow:hidden}
.card.pad{padding:30px 28px}
.card::after{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .35s;z-index:0;pointer-events:none}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::after{opacity:1}
.card>*{position:relative;z-index:1}
.card .thumb{height:172px;background-size:cover;background-position:center;position:relative}
.card .thumb::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(37,99,235,.55),rgba(124,58,237,.35) 60%,rgba(6,182,212,.25))}
.card .thumb .ic{position:absolute;left:24px;bottom:-26px;width:54px;height:54px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(79,70,229,.32);border:3px solid #fff}
.card .ic svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.7}
.card .body{padding:42px 28px 0}
.card.pad .ic{width:54px;height:54px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:22px;box-shadow:0 10px 24px rgba(79,70,229,.28)}
.card h3{font-size:21px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .more{display:inline-flex;align-items:center;gap:7px;margin-top:20px;font-size:14px;font-weight:600;color:var(--brand)}
.card .body+.more,.card .body .more{margin-left:28px}
.card .more svg{width:16px;height:16px;transition:transform .25s}
.card:hover .more svg{transform:translateX(4px)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-2);background:var(--bg-soft-2);border:1px solid var(--line);border-radius:7px;padding:5px 9px}

/* global infra / globe */
.globe-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.globe-stage{position:relative;aspect-ratio:1;max-width:480px;margin:0 auto;width:100%;perspective:900px}
.globe-stage svg{width:100%;height:100%;overflow:visible;transition:transform .2s ease-out}
.ring{transform-origin:center;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.node-dot{transform-box:fill-box;transform-origin:center;animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55;r:3}50%{opacity:1;r:5}}
.packet{fill:#fff;filter:drop-shadow(0 0 4px rgba(124,58,237,.9))}
.infra-feat{display:flex;gap:16px;margin-top:22px}
.infra-feat .k{font-family:var(--font-display);font-weight:700;font-size:28px}
.region-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.region{font-size:13px;font-weight:500;color:var(--ink-2);background:rgba(255,255,255,.7);border:1px solid var(--line-2);border-radius:999px;padding:7px 14px;display:flex;align-items:center;gap:8px}
.region::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad)}

/* capabilities */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap{padding:26px;border:1px solid var(--line);border-radius:var(--r);background:#fff;transition:border-color .3s,transform .3s}
.cap:hover{border-color:var(--brand);transform:translateY(-4px)}
.cap .ic{width:42px;height:42px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cap .ic svg{width:21px;height:21px;stroke:var(--brand);fill:none;stroke-width:1.7}
.cap h4{font-size:17px;margin-bottom:7px}
.cap p{font-size:14px;color:var(--muted)}

/* image band */
.banner{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:340px;display:flex;align-items:flex-end;background-size:cover;background-position:center;box-shadow:var(--shadow)}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,31,.1),rgba(10,15,31,.78))}
.banner .b-in{position:relative;z-index:1;padding:40px;color:#fff}
.banner h3{color:#fff;font-size:clamp(24px,3vw,34px)}
.banner p{color:rgba(255,255,255,.82);margin-top:12px;max-width:520px}
.banner .b-stats{display:flex;gap:34px;margin-top:24px}
.banner .b-stats>div{padding-left:16px;border-left:2px solid rgba(255,255,255,.22);transition:border-color .3s}
.banner .b-stats>div:hover{border-left-color:#8ab4ff}
.banner .b-stats>div:first-child{padding-left:0;border-left:none}
.banner .b-stats .v{font-family:var(--font-display);font-weight:700;font-size:30px;color:#fff;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.banner .b-stats>div:hover .v{transform:translateY(-3px)}
.banner .b-stats .l{font-size:13px;color:rgba(255,255,255,.7)}
.banner .b-stats.cols8{display:grid;grid-template-columns:repeat(4,1fr);gap:22px 30px}
.banner .b-stats.cols8>div{padding-left:14px}
.banner .b-stats.cols8>div:first-child{padding-left:0}
.banner .b-stats.cols8 .v{font-size:27px}
@media(max-width:900px){.banner .b-stats.cols8{grid-template-columns:repeat(2,1fr)}}

/* split (image + text) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.flip .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);position:relative;min-height:360px;background-size:cover;background-position:center}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(37,99,235,.18),transparent 55%)}
.split h2{font-size:clamp(28px,3.4vw,40px)}
.split p{color:var(--muted);font-size:16.5px;margin-top:18px}
.ticks{margin-top:24px;display:flex;flex-direction:column;gap:13px}
.tick{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.tick .ck{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-top:1px}
.tick .ck svg{width:13px;height:13px;stroke:#fff;stroke-width:2.4;fill:none}

/* logos */
.logos{padding:60px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft)}
.logos .cap-label{text-align:center;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:34px}
.marquee{display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:64px;padding-right:64px;animation:scroll 34s linear infinite;white-space:nowrap}
.logos:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.brandword{font-family:var(--font-display);font-weight:600;font-size:25px;color:var(--muted-2);opacity:.85;display:flex;align-items:center;gap:11px;transition:color .3s}
.brandword:hover{color:var(--ink)}
.brandword .g{width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,var(--muted-2),#b9c0d0)}

/* segments */
.seg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.seg{padding:30px;border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.seg .n{font-family:var(--font-mono);font-size:13px;color:var(--brand)}
.seg h4{font-size:20px;margin:10px 0 8px}
.seg p{color:var(--muted);font-size:14.5px}

/* cases */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.case{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case .img{height:180px;position:relative;background-size:cover;background-position:center}
.case .img .chip{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.92);border-radius:8px;padding:6px 12px;font-family:var(--font-mono);font-size:11.5px;font-weight:500;color:var(--ink)}
.case .body{padding:24px 26px 28px}
.case h4{font-size:19px;margin-bottom:10px}
.case .metrics{display:flex;gap:28px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.case .metrics .m .v{font-family:var(--font-display);font-weight:700;font-size:26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case .metrics .m .l{font-size:12.5px;color:var(--muted)}

/* cta band */
.cta-band{margin:0 auto;max-width:var(--max);border-radius:30px;padding:70px 56px;position:relative;overflow:hidden;background:var(--ink-grad);box-shadow:var(--shadow-lg)}
.cta-band::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 85% 0%,rgba(124,58,237,.5),transparent 60%),
  radial-gradient(500px 300px at 5% 100%,rgba(6,182,212,.45),transparent 60%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(28px,4vw,44px);max-width:640px}
.cta-band p{color:rgba(255,255,255,.78);font-size:17px;margin-top:16px;max-width:520px}
.cta-band .cta-row{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--brand);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.cta-band .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff}

/* ===== sub-page primitives ===== */
.page-hero{position:relative;padding:160px 0 70px;overflow:hidden}
.page-hero .hero-bg{z-index:-2}
.page-hero .crumb{font-family:var(--font-mono);font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.page-hero .crumb a:hover{color:var(--brand)}
.page-hero h1{font-size:clamp(36px,5vw,60px);margin-top:18px;max-width:760px}
.page-hero p{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:600px;margin-top:20px}
.page-hero .cta-row{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}

/* spec / pricing */
.spec{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;font-size:14.5px}
.spec th,.spec td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--line)}
.spec thead th{background:var(--bg-soft);font-family:var(--font-display);font-weight:600;color:var(--ink);font-size:13.5px}
.spec tbody tr:last-child td{border-bottom:none}
.spec td:first-child{font-weight:500;color:var(--ink)}
.spec .mono{color:var(--brand)}

.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price{border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;background:#fff;box-shadow:var(--shadow-sm);position:relative;transition:transform .3s,box-shadow .3s}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price.feat{border:2px solid var(--brand);box-shadow:var(--shadow)}
.price .badge{position:absolute;top:-12px;left:28px;background:var(--grad);color:#fff;font-size:11.5px;font-family:var(--font-mono);padding:4px 12px;border-radius:8px}
.price .t{font-family:var(--font-display);font-weight:600;font-size:19px}
.price .amt{font-family:var(--font-display);font-weight:700;font-size:38px;margin:14px 0 4px}
.price .amt small{font-size:15px;font-weight:500;color:var(--muted)}
.price .desc{font-size:14px;color:var(--muted);min-height:42px}
.price ul{list-style:none;margin:20px 0 24px;display:flex;flex-direction:column;gap:11px}
.price li{font-size:14px;display:flex;gap:10px;align-items:flex-start}
.price li svg{flex:0 0 auto;width:17px;height:17px;stroke:var(--brand);stroke-width:2.2;fill:none;margin-top:2px}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{position:relative;padding-top:26px}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--font-display);font-weight:700;font-size:15px;color:#fff;background:var(--grad);width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;position:absolute;top:-8px;left:0;box-shadow:0 8px 20px rgba(79,70,229,.3)}
.step h4{font-size:17px;margin:26px 0 8px}
.step p{font-size:14px;color:var(--muted)}
.step .line{position:absolute;top:11px;left:48px;right:-22px;height:1px;background:var(--line-2)}
.step:last-child .line{display:none}

/* values / about */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.stat-band .s{position:relative;padding:30px;border-right:1px solid var(--line)}
.stat-band .s:last-child{border-right:none}
.stat-band .s::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .7s cubic-bezier(.2,.7,.3,1) .15s}
.stat-band .s.in::after{transform:scaleX(1)}
.stat-band .v{font-family:var(--font-display);font-weight:700;font-size:40px;color:var(--ink);line-height:1.15;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.stat-band .s:hover .v{transform:translateY(-3px)}
.stat-band .l{font-size:14px;color:var(--muted);margin-top:6px}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
.value .ic{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.value .ic svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.7;fill:none}
.value h4{font-size:18px;margin-bottom:8px}
.value p{font-size:14.5px;color:var(--muted)}
.timeline{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.tl{display:grid;grid-template-columns:120px 1fr;gap:30px;padding:22px 0;border-bottom:1px solid var(--line)}
.tl:last-child{border-bottom:none}
.tl .yr{font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--brand)}
.tl h4{font-size:18px;margin-bottom:6px}
.tl p{font-size:14.5px;color:var(--muted)}

/* footer */
footer{padding:70px 0 40px;background:var(--bg-soft);border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-grid p{font-size:14px;color:var(--muted);margin-top:16px;max-width:280px}
.foot-col h5{font-family:var(--font-display);font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);margin-bottom:16px;font-weight:600}
.foot-col a{display:block;font-size:14.5px;color:var(--ink-2);margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--brand)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;margin-top:54px;padding-top:26px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.foot-bot a{color:var(--muted);text-decoration:none;transition:color .25s}
.foot-bot a:hover{color:var(--ink)}
.foot-bot .lang{display:flex;gap:6px;align-items:center;font-family:var(--font-mono);font-size:13px}

/* code block */
.code{background:#0d1228;border-radius:var(--r-lg);padding:22px 24px;font-family:var(--font-mono);font-size:13.5px;line-height:1.8;color:#c7d0f5;overflow-x:auto;box-shadow:var(--shadow)}
.code .k{color:#8ab4ff}.code .s{color:#7ee0c0}.code .c{color:#6b769a}.code .p{color:#c792ea}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

@media (max-width:900px){
  nav.links,.nav-cta .btn-ghost{display:none}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .stat-band.cols8{grid-template-columns:repeat(2,1fr)}
  .stat-band.cols8 .s:nth-child(2n){border-right:none}
  .stat-band.cols8 .s:nth-child(2n+1){border-right:1px solid var(--line)}
  .stat-band.cols8 .s:nth-child(n+3){border-top:1px solid var(--line)}
  .stat-band.cols8 .s:nth-child(n+5){border-top:none}
  .stat-band .s:nth-child(2),.stat-band .s:nth-child(4){border-right:none}
  .stats .stat:nth-child(2n){border-right:none}
  .stats .stat:nth-child(2n+1){border-right:1px solid var(--line)}
  .stats.cols3 .stat:nth-child(3n){border-right:1px solid var(--line)}
  .stats.cols3 .stat:nth-child(3n+1),.stats.cols3 .stat:nth-child(3n+2){border-right:1px solid var(--line)}
  .stats.cols3 .stat:nth-child(2n){border-right:1px solid var(--line)}
  .stats.cols3 .stat:nth-child(2n+1){border-right:1px solid var(--line)}
  .stats.cols5 .stat{padding:24px 12px}
  .stats.cols5 .stat .num{font-size:26px}
  .stats.cols5 .stat .lbl{font-size:12px;white-space:nowrap}
  .stats.cols5 .stat:nth-child(2n){border-right:1px solid var(--line)}
  .stats.cols5 .stat:nth-child(5n){border-right:none}
  .stat::after{display:none}
  .svc-grid,.cap-grid,.seg-grid,.case-grid,.globe-wrap,.foot-grid,.price-grid,.values,.split,.steps,.hero-grid{grid-template-columns:1fr}
  .hero-art{display:none}
  .hero{padding:126px 0 70px}
  .hero-grid{gap:0}
  .split.flip .split-media{order:0}
  .showcase{grid-template-columns:1fr 1fr}
  .globe-wrap{gap:36px}.cta-band{padding:50px 30px;border-radius:22px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .step .line{display:none}
  .tl{grid-template-columns:80px 1fr;gap:18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important}.reveal{opacity:1;transform:none}}