@charset "UTF-8";
:root{
  color-scheme:dark;
  --bg:#02070a;
  --panel:#07141a;
  --panel-2:#0b1d24;
  --ink:#f1fbff;
  --muted:#9cb3bd;
  --cyan:#3fe3eb;
  --cyan-soft:#b7faff;
  --line:rgba(94,224,233,.2);
  --danger:#ff7b72;
  --max:1480px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 Inter,"Microsoft YaHei",system-ui,sans-serif;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(circle at 80% 7%,rgba(27,155,175,.2),transparent 32%),radial-gradient(circle at 10% 55%,rgba(10,87,111,.14),transparent 30%),linear-gradient(180deg,#02070a,#030a0d 62%,#02070a)}
body::after{content:"";position:fixed;inset:0;z-index:-1;opacity:.14;pointer-events:none;background-image:linear-gradient(rgba(101,229,236,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(101,229,236,.1) 1px,transparent 1px);background-size:96px 96px;mask-image:linear-gradient(to bottom,black,transparent 72%)}
a{color:inherit;text-underline-offset:5px}
img{max-width:100%}
button{font:inherit;color:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
.skip-link{position:fixed;top:-80px;left:18px;z-index:99;background:#fff;color:#001014;padding:10px 15px;text-decoration:none}.skip-link:focus{top:12px}
.promo-nav{position:sticky;top:0;z-index:30;height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 clamp(20px,4vw,70px);border-bottom:1px solid var(--line);background:rgba(2,7,10,.82);backdrop-filter:blur(22px)}
.promo-brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:750;letter-spacing:.03em}.promo-brand img{width:39px;height:39px}.promo-brand small{display:block;color:#77929d;font-size:9px;letter-spacing:.2em;font-weight:650}
.promo-links{display:flex;align-items:center;gap:24px;font-size:12px;color:#b3c8d0}.promo-links a{text-decoration:none;transition:color .2s}.promo-links a:hover{color:var(--cyan)}
.promo-main{max-width:var(--max);margin:0 auto;border-inline:1px solid rgba(94,224,233,.08)}
.promo-hero{min-height:calc(100svh - 76px);display:grid;grid-template-columns:minmax(320px,.8fr) minmax(0,1.2fr);align-items:center;gap:clamp(42px,6vw,110px);padding:clamp(64px,8vw,130px) clamp(24px,6vw,104px);border-bottom:1px solid var(--line)}
.eyebrow{margin:0 0 20px;color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:.25em;text-transform:uppercase}
.promo-hero h1,.promo-section h2,.manual-title h1{margin:0;font:600 clamp(52px,6.5vw,106px)/.98 Georgia,"Noto Serif SC","Songti SC",serif;letter-spacing:-.055em}.promo-hero h1 em,.promo-section h2 em{color:var(--cyan-soft);font-style:normal;text-shadow:0 0 50px rgba(63,227,235,.17)}
.promo-lead{max-width:670px;margin:30px 0 0;color:#c0d4dc;font-size:clamp(16px,1.35vw,21px);line-height:1.95}
.promo-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.promo-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;min-height:54px;padding:0 22px;border:1px solid var(--line);background:rgba(8,23,29,.64);color:inherit;cursor:pointer;text-decoration:none;font-size:13px;font-weight:750;letter-spacing:.04em;transition:transform .25s,background .25s,border-color .25s,box-shadow .25s}.promo-btn.primary{min-width:220px;background:var(--cyan);border-color:var(--cyan);color:#001114}.promo-btn:hover{transform:translateY(-3px);border-color:var(--cyan);box-shadow:0 18px 60px rgba(32,205,219,.15)}.promo-btn.primary:hover{background:#a8faff}
.promo-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.promo-facts span{padding:7px 12px;border:1px solid var(--line);border-radius:99px;color:#97b0ba;font-size:11px}.promo-facts strong{margin-right:6px;color:var(--cyan-soft);font-size:16px}
.hero-visual{position:relative}.hero-visual::before{content:"";position:absolute;inset:10% -7%;z-index:-1;background:radial-gradient(ellipse,rgba(41,221,232,.17),transparent 64%);filter:blur(20px)}
.screen-frame{position:relative;margin:0;border:1px solid rgba(96,238,245,.34);border-radius:17px;overflow:hidden;background:#01070a;box-shadow:0 40px 120px rgba(0,0,0,.55),0 0 0 1px rgba(80,229,238,.05)}.screen-frame::after{content:"演示界面 · DEMO DATA";position:absolute;right:14px;bottom:13px;padding:5px 9px;border:1px solid rgba(97,234,241,.3);border-radius:99px;background:rgba(1,9,12,.82);color:#aefaff;font-size:9px;letter-spacing:.14em}.screen-frame img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;user-select:none;-webkit-user-drag:none}
.visual-meta{display:flex;justify-content:space-between;gap:15px;margin-top:12px;color:#718c96;font-size:10px;letter-spacing:.12em}
.promo-section{padding:clamp(78px,9vw,150px) clamp(24px,6vw,104px);border-bottom:1px solid var(--line)}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:52px}.promo-section h2{font-size:clamp(42px,5.2vw,82px)}.section-heading>p{max-width:520px;margin:0 0 8px;color:var(--muted);font-size:17px;line-height:1.9}
.suite-intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:70px;align-items:end;background:linear-gradient(120deg,rgba(7,37,45,.86),rgba(2,7,10,.2))}.suite-intro>p{margin:0;color:#b4ccd5;font-size:clamp(18px,1.5vw,23px);line-height:2}.suite-note{padding:22px 24px;border-left:2px solid var(--cyan);background:rgba(15,49,58,.44);color:#a9c2cb;font-size:14px}.suite-note strong{display:block;margin-bottom:7px;color:#effdff;font-size:16px}
.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;border:1px solid var(--line);background:var(--line)}.module-card{min-height:260px;padding:30px;background:linear-gradient(150deg,rgba(8,25,31,.97),rgba(3,12,16,.97));transition:background .3s,transform .3s}.module-card:hover{background:#0c2730;transform:translateY(-4px)}.module-id{display:flex;align-items:center;justify-content:space-between;color:#69cbd1;font-size:10px;letter-spacing:.18em}.module-id i{display:block;width:25px;height:1px;background:var(--cyan)}.module-card h3{margin:40px 0 12px;font:600 30px/1.2 Georgia,"Noto Serif SC",serif}.module-card p{margin:0;color:#94adb7;font-size:14px}.module-card.featured{background:linear-gradient(145deg,#0e343d,#06161b)}
.flow-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line);border-left:1px solid var(--line)}.flow-list li{position:relative;min-height:170px;padding:25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.flow-list span{color:var(--cyan);font:600 13px/1 monospace}.flow-list strong{display:block;margin-top:36px;font-size:18px}.flow-list small{display:block;margin-top:5px;color:#718e99;letter-spacing:.13em}
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.gallery-card{display:block;overflow:hidden;border:1px solid var(--line);background:#061218;text-decoration:none}.gallery-card figure{position:relative;margin:0;overflow:hidden}.gallery-card figure::after{content:"九天studio · 离线演示";position:absolute;right:13px;bottom:12px;padding:4px 8px;border-radius:99px;background:rgba(0,8,11,.82);color:#9becf1;font-size:9px;letter-spacing:.1em}.gallery-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.82) brightness(.86);transition:transform .6s,filter .4s;user-select:none;-webkit-user-drag:none}.gallery-card div{padding:20px 22px 24px}.gallery-card span{color:var(--cyan);font-size:10px;letter-spacing:.18em}.gallery-card h3{margin:7px 0 5px;font:600 24px/1.3 Georgia,"Noto Serif SC",serif}.gallery-card p{margin:0;color:#8fa9b3;font-size:13px}.gallery-card:hover img{transform:scale(1.025);filter:saturate(1) brightness(1)}
.boundary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.boundary-card{padding:28px;border:1px solid var(--line);background:rgba(6,20,26,.72)}.boundary-card span{color:var(--cyan);font-size:10px;letter-spacing:.18em}.boundary-card h3{margin:17px 0 10px;font-size:20px}.boundary-card p{margin:0;color:#9bb2bc;font-size:14px}.boundary-card.alert{border-color:rgba(255,123,114,.3)}.boundary-card.alert span{color:#ffaaa4}
.final-cta{display:grid;grid-template-columns:1fr minmax(300px,.7fr);align-items:end;gap:70px;background:linear-gradient(145deg,#051116,#0b3038)}.final-links{display:grid;border-top:1px solid var(--line)}.final-links a{display:flex;align-items:center;justify-content:space-between;min-height:72px;border-bottom:1px solid var(--line);text-decoration:none;transition:padding .2s,color .2s,background .2s}.final-links a:hover{padding-inline:13px;color:var(--cyan-soft);background:rgba(72,227,235,.04)}
.promo-footer{display:flex;justify-content:space-between;gap:30px;padding:28px clamp(24px,6vw,104px);color:#6f8993;font-size:11px}.promo-footer p{margin:0}.promo-footer a{color:#96b0ba}
[data-reveal]{opacity:1;transform:none}.reveal-pending{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}.reveal-pending.is-visible{opacity:1;transform:none}

.manual-shell{max-width:1180px;margin:0 auto;padding:60px clamp(20px,5vw,64px) 90px}.manual-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:56px;color:#9cb3bd;font-size:13px}.manual-top a{text-decoration:none}.manual-title{max-width:930px;padding-bottom:42px;border-bottom:1px solid var(--line)}.manual-title h1{font-size:clamp(45px,7vw,86px)}.manual-title>p:last-child{max-width:760px;margin:24px 0 0;color:#a8c0c9;font-size:18px}.manual-tools{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.manual-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:60px;margin-top:55px}.manual-toc{position:sticky;top:100px;align-self:start;display:grid;gap:5px;border-left:1px solid var(--line);padding-left:15px}.manual-toc a{padding:6px 8px;color:#8da7b1;font-size:12px;text-decoration:none}.manual-toc a:hover{color:var(--cyan)}.manual-content{min-width:0}.manual-section{padding:0 0 55px;margin:0 0 55px;border-bottom:1px solid var(--line);break-inside:avoid}.manual-section h2{margin:0 0 24px;font:600 clamp(28px,4vw,45px)/1.2 Georgia,"Noto Serif SC",serif}.manual-section h3{margin:26px 0 9px;font-size:18px}.manual-section p,.manual-section li{color:#a5bbc4}.manual-section ol,.manual-section ul{padding-left:22px}.manual-section li{margin:8px 0}.manual-callout{padding:20px 23px;border:1px solid var(--line);background:rgba(9,31,38,.58)}.manual-callout strong{color:#ecfdff}.manual-modules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.manual-module{padding:19px;border:1px solid var(--line);background:#07151b}.manual-module h3{margin:0 0 6px}.manual-module p{margin:0;font-size:13px}.stage-list{counter-reset:stage;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:0!important;list-style:none}.stage-list li{counter-increment:stage;display:grid;grid-template-columns:35px 1fr;align-items:start;padding:15px;border:1px solid var(--line);background:#07151a}.stage-list li::before{content:counter(stage,decimal-leading-zero);color:var(--cyan);font:600 12px/1.5 monospace}.manual-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:25px}.manual-meta span{padding:14px;border:1px solid var(--line);color:#98b1ba;font-size:12px}.manual-meta strong{display:block;color:#f0fdff;font-size:15px}

@media(max-width:1050px){.promo-hero{grid-template-columns:1fr;min-height:auto}.hero-visual{max-width:980px}.suite-intro,.final-cta{grid-template-columns:1fr}.module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flow-list{grid-template-columns:repeat(2,minmax(0,1fr))}.boundary-grid{grid-template-columns:1fr}.manual-layout{grid-template-columns:1fr}.manual-toc{position:static;grid-template-columns:repeat(3,minmax(0,1fr));border-left:0;border-top:1px solid var(--line);padding:14px 0}}
@media(max-width:700px){.promo-nav{height:66px;padding-inline:16px}.promo-links a:not(:last-child){display:none}.promo-main{border-inline:0}.promo-hero{overflow:hidden}.promo-hero,.promo-section{padding-inline:18px}.promo-hero h1{font-size:clamp(50px,17vw,76px)}.promo-actions,.promo-btn{width:100%}.section-heading{align-items:flex-start;flex-direction:column}.module-grid,.gallery-grid,.manual-modules,.stage-list,.manual-meta{grid-template-columns:1fr}.flow-list{grid-template-columns:1fr}.promo-footer{flex-direction:column}.manual-top{align-items:flex-start;flex-direction:column}.manual-toc{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-meta{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-reveal]{opacity:1;transform:none;transition:none}.gallery-card img,.promo-btn,.module-card{transition:none}}
@media print{body{background:#fff;color:#111}body::before,body::after,.promo-nav,.manual-toc,.manual-tools,.promo-footer{display:none!important}.manual-shell{max-width:none;padding:0}.manual-title{border-color:#999}.manual-title h1,.manual-section h2{color:#111}.manual-title>p:last-child,.manual-section p,.manual-section li{color:#333}.manual-section{break-before:page;border:0}.manual-section:first-of-type{break-before:auto}.manual-callout,.manual-module,.stage-list li,.manual-meta span{background:#fff;border-color:#aaa;color:#111}.manual-module p{color:#333}}