:root{
  color-scheme:dark;
  --bg:#04050b;
  --panel:rgba(10,14,27,.76);
  --panel-strong:#11172a;
  --text:#f6f8ff;
  --muted:#a5b0ca;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(137,171,255,.32);
  --blue:#7299ff;
  --cyan:#45d6eb;
  --purple:#a27cff;
  --green:#5ce4a9;
  --amber:#ffcc72;
  --danger:#ff7d8d;
  --shadow:0 24px 80px rgba(0,0,0,.38);
  --radius:26px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;color:var(--text);
  background:
    radial-gradient(circle at 12% -8%,rgba(54,91,213,.24),transparent 34%),
    radial-gradient(circle at 88% 8%,rgba(129,69,207,.18),transparent 31%),
    radial-gradient(circle at 58% 72%,rgba(22,117,156,.08),transparent 30%),
    linear-gradient(180deg,#060814 0%,#050611 52%,#020308 100%);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.72;overflow-x:hidden;
}
body::before,body::after{content:"";position:fixed;inset:auto;pointer-events:none;z-index:-2;filter:blur(32px);opacity:.6}
body::before{width:48vw;height:48vw;left:-18vw;top:28vh;border-radius:50%;background:radial-gradient(circle,rgba(70,104,255,.16),transparent 64%);animation:nebulaA 20s ease-in-out infinite alternate}
body::after{width:44vw;height:44vw;right:-16vw;top:8vh;border-radius:50%;background:radial-gradient(circle,rgba(133,75,209,.16),transparent 65%);animation:nebulaB 24s ease-in-out infinite alternate}
@keyframes nebulaA{to{transform:translate(7vw,-5vh) scale(1.12)}}
@keyframes nebulaB{to{transform:translate(-8vw,11vh) scale(.92)}}
.cosmos-canvas{position:fixed;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;opacity:.8}
a{color:inherit}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(114,153,255,.7);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:12px;z-index:999;background:#fff;color:#111;padding:10px 14px;border-radius:10px}
.skip-link:focus{left:12px}
.site-shell{position:relative;z-index:1}
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(4,6,13,.7);backdrop-filter:blur(20px)}
.header-inner{max-width:var(--max);margin:0 auto;padding:13px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:900;font-size:21px;letter-spacing:-.02em}
.brand-logo-frame{width:64px;height:38px;padding:5px 7px;border-radius:12px;background:#fff;display:grid;place-items:center;box-shadow:0 0 28px rgba(124,158,255,.18);overflow:hidden}
.brand-logo-frame img{width:100%;height:100%;object-fit:contain}
.brand small{display:block;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;line-height:1.2}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:9px 11px;color:var(--muted);text-decoration:none;border-radius:12px;font-size:14px}
.nav a:hover,.nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.07)}
.nav .nav-cta{color:#eaf0ff;border:1px solid var(--line-strong);background:rgba(107,148,255,.1)}
.menu-button{display:none;border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;border-radius:12px;padding:9px 12px;cursor:pointer}
.page-wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.hero{min-height:690px;padding:88px 0 72px;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.055);border-radius:999px;color:#d5e1ff;font-size:13px;margin-bottom:24px}
.status-dot{width:8px;height:8px;border-radius:99px;background:var(--green);box-shadow:0 0 18px rgba(85,227,165,.75)}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em;margin-top:0}
h1{font-size:clamp(44px,6.4vw,78px);margin-bottom:24px}
h2{font-size:clamp(31px,4vw,52px);margin-bottom:18px}
h3{font-size:23px;margin-bottom:10px}
.gradient-text{color:transparent;background:linear-gradient(92deg,#fff,#cce0ff 30%,#77e2ef 58%,#b89bff 82%,#fff);background-size:210% auto;-webkit-background-clip:text;background-clip:text;animation:shimmer 8s linear infinite}
@keyframes shimmer{to{background-position:210% center}}
.lead{font-size:19px;color:var(--muted);max-width:760px;margin:0 0 28px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.055);color:#fff;text-decoration:none;font-weight:760;transition:.2s ease}
.button:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(255,255,255,.08)}
.button.primary{background:linear-gradient(135deg,#6b94ff,#805fd7);border-color:transparent;box-shadow:0 12px 32px rgba(77,103,216,.28)}
.button.ghost{background:rgba(255,255,255,.045)}
.hero-tags,.model-cloud,.badge-row{display:flex;flex-wrap:wrap;gap:9px}
.chip,.model-pill,.status-chip{padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.045);color:#c7d2e9;font-size:12px}
.hero-console{position:relative;min-height:570px}
.hero-console::before{content:"";position:absolute;inset:11% -4% 3% 11%;border-radius:50%;background:radial-gradient(circle,rgba(79,115,255,.22),rgba(115,75,205,.09) 38%,transparent 70%);filter:blur(25px)}
.console{position:absolute;inset:28px 0 0 22px;min-height:520px;border:1px solid rgba(156,181,255,.25);border-radius:28px;background:linear-gradient(180deg,rgba(14,19,35,.93),rgba(7,10,20,.94));overflow:hidden;box-shadow:0 40px 120px rgba(0,0,0,.46);transform:perspective(1100px) rotateY(-7deg) rotateX(3deg);animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:perspective(1100px) rotateY(-3deg) rotateX(1deg) translateY(-10px)}}
.console-top{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 18px;border-bottom:1px solid var(--line)}
.console-title{color:#b9c5de;font-size:12px;letter-spacing:.08em}
.console-controls{display:flex;align-items:center;gap:10px}
.console-control{width:11px;height:11px;border-radius:50%;box-shadow:0 0 10px rgba(255,255,255,.08)}
.console-control.yellow{background:#ffbf26}.console-control.green{background:#26ce51}.console-control.red{background:#ff5f57}
.console-body{padding:18px;display:grid;gap:12px}
.console-task,.console-lane{border:1px solid var(--line);background:rgba(255,255,255,.045);border-radius:18px;padding:15px}
.console-task strong,.console-lane strong{display:block;margin-bottom:5px}
.console-task p,.console-lane p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.lane-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.lane-state{font-size:11px;color:#9ff1c9}
.progress{height:6px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden;margin-top:10px}
.progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--purple));animation:pulsebar 3.2s ease-in-out infinite}
@keyframes pulsebar{0%,100%{width:38%}50%{width:82%}}
.section{padding:82px 0}
.section.compact{padding:54px 0}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:30px}
.section-head p{max-width:620px;margin:0;color:var(--muted)}
.kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#a8c6ff;margin-bottom:10px;font-weight:800}
.grid{display:grid;gap:16px}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{--mx:50%;--my:50%;position:relative;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.067),rgba(255,255,255,.032));border-radius:var(--radius);padding:24px;box-shadow:0 18px 60px rgba(0,0,0,.12);overflow:hidden}
.card::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(320px circle at var(--mx) var(--my),rgba(114,153,255,.13),transparent 62%);transition:opacity .2s}
.card:hover::before{opacity:1}.card:hover{border-color:var(--line-strong)}
.card>*{position:relative;z-index:1}
.card p{color:var(--muted);margin:0}
.card ul{padding-left:20px;color:var(--muted);margin-bottom:0}
.card .icon{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;background:rgba(107,148,255,.12);border:1px solid var(--line-strong);margin-bottom:20px;font-size:20px}
.card-number{font-size:12px;color:#a9b9d8;letter-spacing:.13em;text-transform:uppercase;margin-bottom:54px}
.feature-card{min-height:300px}
.price-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px;align-items:center;padding:30px;border:1px solid rgba(255,204,114,.28);border-radius:30px;background:radial-gradient(circle at 8% 0%,rgba(255,204,114,.12),transparent 42%),rgba(255,255,255,.035)}
.price-panel p{color:var(--muted);margin:0}.price-panel strong{color:#ffe1a2}
.flow{display:grid;grid-template-columns:repeat(7,auto);align-items:center;justify-content:center;gap:10px;padding:28px;border:1px solid var(--line);border-radius:28px;background:rgba(255,255,255,.035)}
.flow-node{min-width:120px;padding:15px;text-align:center;border:1px solid var(--line);background:rgba(255,255,255,.05);border-radius:17px}
.flow-node strong{display:block}.flow-node small{color:var(--muted)}
.flow-arrow{color:#7498ff;font-weight:900}
.split-highlight{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.highlight-panel{border-radius:28px;padding:28px;border:1px solid var(--line);background:radial-gradient(circle at 15% 0%,rgba(107,148,255,.16),transparent 40%),rgba(255,255,255,.035)}
.highlight-panel p{color:var(--muted)}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.demo-card{margin:0;border:1px solid var(--line);border-radius:26px;padding:14px;background:rgba(8,11,21,.78)}
.demo-frame{overflow:hidden;border-radius:17px;border:1px solid rgba(255,255,255,.08);background:#151515}
.demo-frame img{width:100%;height:auto}
.demo-card figcaption{padding:14px 6px 4px;color:var(--muted)}
.demo-card figcaption strong{display:block;color:#fff;font-size:18px;margin-bottom:4px}
.notice{border:1px solid rgba(255,204,114,.3);background:rgba(255,204,114,.08);border-radius:18px;padding:16px 18px;color:#ffe3aa}
.notice strong{color:#fff}
.status-chip.live{border-color:rgba(85,227,165,.3);color:#aaf5d2;background:rgba(85,227,165,.08)}
.status-chip.value{border-color:rgba(255,204,114,.3);color:#ffe1a2;background:rgba(255,204,114,.08)}
.legal-hero{padding:68px 0 28px}
.legal-hero h1{font-size:clamp(40px,5vw,64px);margin-bottom:14px}
.legal-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.legal-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:34px;padding:34px 0 90px}
.toc{position:sticky;top:94px;align-self:start;border:1px solid var(--line);background:rgba(255,255,255,.035);border-radius:20px;padding:16px}
.toc strong{display:block;margin-bottom:8px}.toc a{display:block;text-decoration:none;color:var(--muted);font-size:13px;padding:7px 8px;border-radius:9px}.toc a:hover{background:rgba(255,255,255,.06);color:#fff}
.legal-content{min-width:0}
.legal-content section{padding:0 0 28px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.legal-content section:last-child{border-bottom:0}
.legal-content h2{font-size:27px;margin-bottom:12px}
.legal-content h3{font-size:19px;margin-top:22px}
.legal-content p,.legal-content li{color:#b4bfd5}
.legal-content li{margin-bottom:8px}
.legal-content a{color:#a9c5ff}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}
table{width:100%;border-collapse:collapse;min-width:680px;background:rgba(255,255,255,.025)}
th,td{text-align:left;vertical-align:top;padding:14px 15px;border-bottom:1px solid var(--line)}
th{color:#dce6ff;background:rgba(255,255,255,.04)}
td{color:#aebbd4}
.operator-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.operator-item{border:1px solid var(--line);border-radius:16px;padding:14px;background:rgba(255,255,255,.035)}
.operator-item span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.operator-item strong{font-size:14px;word-break:break-word}
.callout{border-left:3px solid var(--blue);background:rgba(107,148,255,.08);padding:14px 16px;border-radius:0 14px 14px 0;color:#c8d6f2}
.small{font-size:13px;color:var(--muted)}
.footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:36px 0 48px;color:var(--muted);font-size:13px;background:rgba(2,3,8,.42)}
.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,.8fr);gap:24px}
.footer h4{color:#fff;margin:0 0 8px}.footer a{display:block;color:var(--muted);text-decoration:none;margin:5px 0}.footer a:hover{color:#fff}
.footer-contact{display:block;margin:5px 0}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.filing-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.filing-row a{display:inline;margin:0}
@media(max-width:980px){
  .hero{grid-template-columns:1fr;padding-top:62px}.hero-console{min-height:520px}.console{transform:none;animation:none}
  .grid.three{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr}.flow-arrow{transform:rotate(90deg);text-align:center}
  .legal-layout{grid-template-columns:1fr}.toc{position:static}.footer-grid{grid-template-columns:1fr 1fr}.price-panel{grid-template-columns:1fr}
}
@media(max-width:760px){
  .header-inner{padding:11px 16px}.brand-logo-frame{width:56px;height:34px}.menu-button{display:block}
  .nav{display:none;position:absolute;left:12px;right:12px;top:66px;flex-direction:column;align-items:stretch;background:#0a1020;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}
  .nav.open{display:flex}.nav a{padding:11px 12px}
  .page-wrap{padding:0 16px}.hero{padding:52px 0 48px;min-height:auto}.hero-console{min-height:500px}.console{min-height:460px;inset:18px 0 0}.console-body{padding:14px}.lead{font-size:17px}
  .section{padding:62px 0}.section-head{display:block}.grid.three,.grid.two,.split-highlight,.operator-grid,.demo-grid{grid-template-columns:1fr}.feature-card{min-height:0}.card-number{margin-bottom:35px}.footer-grid{grid-template-columns:1fr}.legal-hero{padding-top:48px}
  .demo-card{padding:9px}.price-panel{padding:22px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.gradient-text,.console,.progress span,body::before,body::after{animation:none!important}.button{transition:none}
}


/* XuAI 官网 V4：结果导向首页、首屏下载与 Skill 展示 */
.hero-v4{min-height:760px;padding-top:74px;grid-template-columns:1.08fr .92fr}
.hero-copy h1{font-size:clamp(46px,6.2vw,76px)}
.hero-actions{margin-bottom:13px}.download-button{gap:10px;padding-inline:22px;min-height:52px}
.download-meta{display:flex;flex-wrap:wrap;gap:8px;color:#b9c5dd;font-size:12px;margin:10px 0}
.download-meta span{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border:1px solid rgba(255,255,255,.1);border-radius:999px;background:rgba(255,255,255,.035)}
.download-meta span+span::before{content:"";width:4px;height:4px;border-radius:50%;background:#6f98ff;margin-right:1px}
.checksum{max-width:640px;margin:7px 0 20px;color:#9faecc;font-size:12px}
.checksum summary{cursor:pointer;color:#b9c7e3}.checksum code{display:block;margin-top:8px;padding:10px 12px;border:1px solid var(--line);background:rgba(0,0,0,.22);border-radius:12px;word-break:break-all;color:#d9e3f8}
.outcome-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:24px;background:linear-gradient(90deg,rgba(97,133,255,.08),rgba(151,92,219,.06));overflow:hidden}
.outcome-strip div{padding:19px 18px;border-right:1px solid var(--line)}.outcome-strip div:last-child{border-right:0}.outcome-strip strong,.outcome-strip span{display:block}.outcome-strip strong{font-size:15px}.outcome-strip span{font-size:12px;color:var(--muted);margin-top:3px}
.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.scenario-card{position:relative;min-height:350px;padding:30px;border:1px solid var(--line);border-radius:30px;background:linear-gradient(155deg,rgba(255,255,255,.07),rgba(255,255,255,.025));overflow:hidden}
.scenario-card::after{content:"";position:absolute;width:260px;height:260px;right:-95px;top:-110px;border-radius:50%;filter:blur(4px);opacity:.22;pointer-events:none}
.scenario-card.work::after{background:radial-gradient(circle,#67a6ff,transparent 68%)}.scenario-card.study::after{background:radial-gradient(circle,#9c82ff,transparent 68%)}.scenario-card.build::after{background:radial-gradient(circle,#45d6eb,transparent 68%)}.scenario-card.business::after{background:radial-gradient(circle,#ffbd73,transparent 68%)}
.scenario-card>*{position:relative;z-index:1}.scenario-index{position:absolute;right:26px;top:23px;color:rgba(220,230,255,.32);font-size:13px;letter-spacing:.15em}.scenario-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid var(--line-strong);font-size:20px;margin-bottom:54px}.scenario-card p{color:var(--muted);font-size:16px}.scenario-card ul{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:20px 0 0;list-style:none}.scenario-card li{padding:6px 9px;border:1px solid var(--line);border-radius:999px;color:#c8d3e9;font-size:12px;background:rgba(255,255,255,.035)}.scenario-card small{display:block;margin-top:18px;color:#8997b4}
.status-chip.skill{border-color:rgba(162,124,255,.35);color:#d7c6ff;background:rgba(162,124,255,.09)}
.skill-section{position:relative}.skill-explorer{border:1px solid var(--line);border-radius:30px;background:linear-gradient(160deg,rgba(13,18,36,.9),rgba(7,9,18,.85));overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.22)}
.skill-tabs{display:flex;gap:6px;padding:12px;border-bottom:1px solid var(--line);overflow:auto}.skill-tab{white-space:nowrap;border:1px solid transparent;border-radius:12px;padding:10px 14px;background:transparent;color:var(--muted);cursor:pointer}.skill-tab:hover{color:#fff;background:rgba(255,255,255,.045)}.skill-tab.active{color:#fff;border-color:var(--line-strong);background:linear-gradient(135deg,rgba(107,148,255,.16),rgba(128,95,215,.13))}
.skill-panels{padding:30px}.skill-panel p{margin:20px 0 0;color:var(--muted)}.skill-list{display:flex;flex-wrap:wrap;gap:10px}.skill-list span{padding:10px 13px;border:1px solid rgba(137,171,255,.25);border-radius:14px;background:rgba(107,148,255,.065);color:#d9e4fa;font-size:13px}
.progress-story{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:center;border:1px solid var(--line);border-radius:30px;padding:32px;background:radial-gradient(circle at 8% 0%,rgba(114,153,255,.15),transparent 38%),rgba(255,255,255,.03)}.progress-story p{color:var(--muted)}
.progress-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.progress-steps div{position:relative;padding:18px 14px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}.progress-steps div:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:50%;transform:translate(50%,-50%);z-index:2;color:#799cff;font-weight:900}.progress-steps span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(107,148,255,.16);border:1px solid var(--line-strong);color:#d8e4ff;font-size:12px;margin-bottom:22px}.progress-steps strong,.progress-steps small{display:block}.progress-steps small{color:var(--muted);line-height:1.5;margin-top:5px}
.download-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;padding:38px;border:1px solid rgba(132,160,255,.3);border-radius:32px;background:radial-gradient(circle at 4% 0%,rgba(92,134,255,.2),transparent 40%),radial-gradient(circle at 100% 100%,rgba(145,85,219,.16),transparent 42%),rgba(255,255,255,.04);box-shadow:0 28px 90px rgba(0,0,0,.22)}.download-panel p{color:var(--muted)}.download-panel-actions{display:flex;flex-direction:column;align-items:flex-end;gap:13px}.text-link{color:#bcd0ff;text-decoration:none;font-size:13px}.text-link:hover{color:#fff}
.product-hero{padding-bottom:18px}
@media(max-width:980px){.hero-v4{min-height:auto;grid-template-columns:1fr}.outcome-strip{grid-template-columns:1fr 1fr}.outcome-strip div:nth-child(2){border-right:0}.outcome-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.progress-story{grid-template-columns:1fr}.progress-steps{grid-template-columns:1fr 1fr}.progress-steps div::after{display:none}.download-panel{grid-template-columns:1fr}.download-panel-actions{align-items:flex-start}}
@media(max-width:760px){.hero-v4{padding-top:38px;grid-template-columns:1fr}.hero-copy h1{font-size:43px;line-height:1.06;margin-bottom:18px}.hero-copy .lead{font-size:16px;line-height:1.65;margin-bottom:20px}.hero-actions .button{width:100%}.outcome-strip,.scenario-grid,.progress-steps{grid-template-columns:1fr}.outcome-strip div{border-right:0!important;border-bottom:1px solid var(--line)}.outcome-strip div:last-child{border-bottom:0}.scenario-card{min-height:0;padding:24px}.scenario-icon{margin-bottom:38px}.skill-tabs{padding:9px}.skill-panels{padding:22px 18px}.download-panel{padding:25px}.download-panel-actions,.download-panel-actions .button{width:100%}.download-panel-actions{align-items:stretch}.download-meta span+span::before{display:none}}

/* XuAI 官网 V5：首页内容组件化、缓存隔离与真实媒体演示 */
.hero-v5{min-height:760px;padding-top:74px;grid-template-columns:1.08fr .92fr}
.hero-v5 .hero-copy h1{font-size:clamp(46px,6.2vw,76px)}
.section-v5{position:relative}
.section-title-block{max-width:790px;margin-bottom:32px}
.section-title-block>p{max-width:680px;margin:0;color:var(--muted);font-size:17px}
.section-title-row{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
.section-title-row>p{max-width:500px;margin:0;color:var(--muted);font-size:16px}
.scenario-grid-v5{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}
.scenario-card-v5{position:relative;min-height:360px;padding:25px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(165deg,rgba(255,255,255,.075),rgba(255,255,255,.025));overflow:hidden;box-shadow:0 22px 66px rgba(0,0,0,.14);transition:transform .25s ease,border-color .25s ease}
.scenario-card-v5::before{content:"";position:absolute;width:220px;height:220px;right:-95px;top:-105px;border-radius:50%;opacity:.2;filter:blur(4px)}
.scenario-card-v5.work::before{background:radial-gradient(circle,#6b96ff,transparent 68%)}
.scenario-card-v5.study::before{background:radial-gradient(circle,#8f7cff,transparent 68%)}
.scenario-card-v5.build::before{background:radial-gradient(circle,#39d7cf,transparent 68%)}
.scenario-card-v5.business::before{background:radial-gradient(circle,#ff9d66,transparent 68%)}
.scenario-card-v5:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.scenario-card-v5>*{position:relative;z-index:1}
.scenario-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:45px}
.scenario-symbol{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;border:1px solid var(--line-strong);background:linear-gradient(145deg,rgba(112,150,255,.2),rgba(162,124,255,.12));font-weight:900;font-size:19px;color:#f2f5ff}
.scenario-audience{font-size:11px;color:#b7c3dc;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:999px;padding:6px 9px}
.scenario-card-v5 h3{font-size:22px;margin-bottom:12px}
.scenario-card-v5 p{color:var(--muted);font-size:14px;line-height:1.75;margin:0 0 22px}
.scenario-list{display:grid;gap:8px}
.scenario-list span{position:relative;padding-left:18px;color:#d3dcf0;font-size:12px}
.scenario-list span::before{content:"";position:absolute;left:0;top:.64em;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 0 12px rgba(70,208,238,.4)}
.capability-grid-v5{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.capability-card-v5{position:relative;min-height:288px;padding:26px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(165deg,rgba(255,255,255,.072),rgba(255,255,255,.026));overflow:hidden;transition:.25s ease}
.capability-card-v5::after{content:"";position:absolute;inset:auto -65px -80px auto;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(98,137,255,.15),transparent 67%)}
.capability-card-v5:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.capability-card-v5>*{position:relative;z-index:1}
.capability-number{position:absolute;right:22px;top:20px;color:rgba(221,231,255,.27);font-size:12px;letter-spacing:.14em}
.capability-symbol{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;margin-bottom:46px;background:rgba(107,148,255,.11);border:1px solid rgba(131,167,255,.3);color:#9fc2ff;font-size:22px;font-weight:800}
.capability-card-v5 h3{font-size:21px;margin-bottom:11px}
.capability-card-v5 p{margin:0;color:var(--muted);font-size:14px;line-height:1.72}
.capability-card-v5 .model-cloud,.capability-card-v5 .badge-row{margin-top:18px}
.capability-card-v5.value-card{border-color:rgba(255,204,114,.28);background:radial-gradient(circle at 0% 0%,rgba(255,204,114,.12),transparent 40%),linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025))}
.capability-card-v5.value-card .capability-symbol{color:#ffe1a2;border-color:rgba(255,204,114,.34);background:rgba(255,204,114,.08)}
.skill-explorer-v5{border:1px solid var(--line);border-radius:28px;background:linear-gradient(160deg,rgba(13,18,36,.92),rgba(7,9,18,.88));overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.22)}
.skill-tabs-v5{display:flex;gap:8px;padding:12px;border-bottom:1px solid var(--line);overflow:auto}
.skill-tab-v5{white-space:nowrap;border:1px solid transparent;border-radius:13px;padding:10px 15px;background:transparent;color:var(--muted);cursor:pointer;transition:.2s ease}
.skill-tab-v5:hover{color:#fff;background:rgba(255,255,255,.045)}
.skill-tab-v5.active{color:#fff;border-color:var(--line-strong);background:linear-gradient(135deg,rgba(107,148,255,.18),rgba(128,95,215,.15));box-shadow:0 10px 30px rgba(54,75,166,.16)}
.skill-panels-v5{padding:24px}
.skill-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.skill-card-grid article{min-height:132px;padding:18px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.038);display:flex;flex-direction:column;justify-content:space-between;gap:20px;transition:.2s ease}
.skill-card-grid article:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(255,255,255,.055)}
.skill-card-grid b{width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,rgba(94,139,255,.18),rgba(143,90,218,.14));border:1px solid rgba(137,171,255,.28);color:#cbdcff;font-size:12px;letter-spacing:.02em}
.skill-card-grid span{font-size:13px;color:#e7ecf8;line-height:1.45;word-break:break-word}
.progress-story-v5{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:30px;background:radial-gradient(circle at 8% 0%,rgba(114,153,255,.15),transparent 38%),rgba(255,255,255,.03)}
.progress-copy p{color:var(--muted);margin-bottom:0}
.progress-steps-v5{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.progress-steps-v5 div{position:relative;min-height:156px;padding:18px 15px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}
.progress-steps-v5 div:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:50%;transform:translate(50%,-50%);z-index:2;color:#799cff;font-weight:900}
.progress-steps-v5 span{display:inline-grid;place-items:center;width:36px;height:28px;border-radius:999px;background:rgba(107,148,255,.15);border:1px solid var(--line-strong);color:#d8e4ff;font-size:11px;margin-bottom:28px}
.progress-steps-v5 strong,.progress-steps-v5 small{display:block}.progress-steps-v5 small{color:var(--muted);line-height:1.5;margin-top:6px}
.demo-showcase-v5{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:center;border:1px solid var(--line);border-radius:32px;padding:30px;background:radial-gradient(circle at 0% 15%,rgba(117,92,225,.14),transparent 36%),rgba(255,255,255,.03);box-shadow:0 30px 100px rgba(0,0,0,.25)}
.demo-copy-v5 h2{font-size:clamp(32px,4.2vw,52px)}
.task-quote-v5{margin:24px 0;padding:18px;border:1px solid rgba(137,171,255,.24);border-radius:18px;background:rgba(90,126,224,.07)}
.task-quote-v5 span{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#9ebaff;margin-bottom:7px;font-weight:800}
.task-quote-v5 p{margin:0;color:#e8edfa;line-height:1.75}
.demo-result-list{display:grid;gap:10px;margin:20px 0}
.demo-result-list>div{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.035)}
.demo-result-list b{display:grid;place-items:center;width:35px;height:35px;border-radius:12px;background:rgba(107,148,255,.12);border:1px solid var(--line-strong);color:#bfd2ff;font-size:11px}
.demo-result-list span,.demo-result-list strong,.demo-result-list small{display:block}.demo-result-list small{color:var(--muted);margin-top:2px}
.demo-note-v5{color:var(--muted);font-size:13px;margin-bottom:0}
.demo-media-v5{position:relative;margin:0;overflow:hidden;border-radius:24px;background:#15171d;box-shadow:0 26px 80px rgba(0,0,0,.4)}
.demo-media-v5 img{width:100%;height:auto;display:block}
.demo-media-v5 figcaption{position:absolute;left:14px;top:14px;display:flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid rgba(255,255,255,.13);border-radius:999px;background:rgba(6,8,14,.72);backdrop-filter:blur(14px);font-size:11px;color:#dce6fa}
.demo-media-v5 figcaption .status-dot{width:7px;height:7px}
@media(max-width:1050px){.scenario-grid-v5{grid-template-columns:1fr 1fr}.capability-grid-v5{grid-template-columns:1fr 1fr}.skill-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.demo-showcase-v5,.progress-story-v5{grid-template-columns:1fr}}
@media(max-width:760px){.hero-v5{padding-top:38px;grid-template-columns:1fr}.section-title-row{display:block}.section-title-row>p{margin-top:14px}.scenario-grid-v5,.capability-grid-v5,.skill-card-grid,.progress-steps-v5{grid-template-columns:1fr}.scenario-card-v5{min-height:0}.skill-panels-v5{padding:16px}.progress-steps-v5 div{min-height:0}.progress-steps-v5 div::after{display:none}.demo-showcase-v5{padding:18px}.demo-media-v5 figcaption{position:static;border-radius:0;border:0;border-top:1px solid var(--line);background:#15171d}.section-title-block>p{font-size:15px}}