:root{--c-primary:#1d4ed8;--c-primary-2:#3b82f6;--c-accent:#06b6d4;--c-ink:#0b1220;--c-title:#0f172a;--c-text:#3f4c60;--c-muted:#7c8899;--c-line:#e6eaf1;--c-bg:#f6f8fc;--c-card:#ffffff;--radius:16px;--radius-sm:10px;--shadow-sm:0 1px 2px rgba(15,23,42,.04),0 6px 18px -12px rgba(15,23,42,.18);--shadow-md:0 2px 4px rgba(15,23,42,.04),0 18px 40px -22px rgba(15,23,42,.28);--maxw:1140px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{margin:0;color:var(--c-title);line-height:1.35;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
strong{font-weight:600;color:var(--c-title)}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;font-weight:600;font-size:14px;line-height:1;padding:10px 18px;border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap;text-decoration:none}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:12px}
.btn-primary{background:linear-gradient(135deg,#1d4ed8,#3b82f6);color:#fff;box-shadow:0 8px 20px -10px rgba(29,78,216,.8)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(29,78,216,.9)}
.btn-outline{background:#fff;color:#1d4ed8;border-color:#c7d7f5}
.btn-outline:hover{background:#eef3ff;border-color:#9fbbf0}
.btn-ghost{background:rgba(255,255,255,.08);color:#e8eefb;border-color:rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.35)}
.topbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;align-items:center;gap:28px;height:62px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:30px;height:30px;border-radius:9px;flex:none;background:linear-gradient(135deg,#1d4ed8,#06b6d4);color:#fff;font-size:15px;font-weight:800;display:grid;place-items:center;box-shadow:0 6px 14px -6px rgba(29,78,216,.7)}
.brand-text{font-size:15px;font-weight:700;color:var(--c-title);letter-spacing:.2px}
.brand-text span{color:var(--c-muted);font-weight:500;font-size:13px;margin-left:6px}
.nav{display:flex;align-items:center;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:none;padding:6px 11px;border-radius:8px;font-size:13.5px;color:var(--c-muted);font-weight:500;white-space:nowrap;transition:color .18s ease,background .18s ease}
.nav a:hover{color:var(--c-primary);background:#eef3ff}
.nav a.active{color:var(--c-primary);background:#e8efff;font-weight:600}
.topbar-cta{margin-left:auto;flex:none}
.hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 88% -12%,rgba(37,99,235,.55) 0%,transparent 62%),radial-gradient(700px 380px at 8% 105%,rgba(6,182,212,.28) 0%,transparent 60%),linear-gradient(158deg,#080e1c 0%,#0e1c38 52%,#080e1c 100%);color:#e8eefb;padding:calc(var(--ui-header,90px) + 54px) 0 76px}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:radial-gradient(80% 70% at 50% 20%,#000 0%,transparent 100%);mask-image:radial-gradient(80% 70% at 50% 20%,#000 0%,transparent 100%)}
.hero .wrap{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px 5px 10px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);font-size:13px;letter-spacing:.3px;color:#b9cdf3;margin-bottom:22px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:#22d3ee;box-shadow:0 0 0 4px rgba(34,211,238,.16)}
.hero h1{color:#fff;font-size:clamp(30px,4.4vw,50px);line-height:1.2;letter-spacing:-.5px;font-weight:800;max-width:15em}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7dd3fc 0%,#60a5fa 45%,#a5b4fc 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-lead{margin-top:20px;max-width:46em;font-size:16.5px;line-height:1.9;color:#a9bad6}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-qs{margin-top:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.q-card{padding:18px 20px;border-radius:var(--radius-sm);background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);transition:background .25s ease,border-color .25s ease,transform .25s ease}
.q-card:hover{background:rgba(255,255,255,.08);border-color:rgba(125,211,252,.4);transform:translateY(-2px)}
.q-num{font-size:12px;font-weight:700;letter-spacing:1.4px;color:#38bdf8;margin-bottom:8px}
.q-card p{font-size:14.5px;color:#dbe6f7;line-height:1.7;font-weight:500}
.chain{margin-top:38px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 6px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1)}
.chain-label{font-size:12.5px;color:#7f93b5;letter-spacing:.6px;margin-right:6px;flex:none}
.chain-step{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#c8d8f2;font-weight:500;padding:4px 11px;border-radius:8px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);white-space:nowrap}
.chain-arrow{color:#3f5a83;font-size:12px}
main{padding:64px 0 0}
.intro{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-sm);margin-bottom:56px}
.intro p{font-size:15.5px;line-height:1.95}
.intro p+p{margin-top:12px}
.intro .hl{color:var(--c-primary);font-weight:600}
.module{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:32px 34px 34px;box-shadow:var(--shadow-sm);margin-bottom:26px;scroll-margin-top:88px;transition:box-shadow .3s ease,border-color .3s ease}
.module:hover{box-shadow:var(--shadow-md);border-color:#dbe3f0}
.module-head{display:flex;align-items:flex-start;gap:18px;padding-bottom:22px;margin-bottom:26px;border-bottom:1px dashed var(--c-line)}
.module-index{flex:none;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:17px;font-weight:800;letter-spacing:.5px;color:#fff;background:linear-gradient(140deg,#1d4ed8,#3b82f6 55%,#06b6d4);box-shadow:0 10px 22px -12px rgba(29,78,216,.9);font-variant-numeric:tabular-nums}
.module-head h2{font-size:22px;letter-spacing:-.2px}
.module-sub{margin-top:5px;font-size:14px;color:var(--c-muted);font-weight:500}
.module-consult{margin-left:auto;align-self:center;flex:none}
.block+.block{margin-top:26px}
.block-title{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:var(--c-title);letter-spacing:.4px;margin-bottom:14px}
.block-title::before{content:"";width:4px;height:15px;border-radius:3px;background:linear-gradient(180deg,#1d4ed8,#06b6d4)}
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.feature-grid li{position:relative;padding:13px 16px 13px 40px;background:#fbfcfe;border:1px solid var(--c-line);border-radius:var(--radius-sm);font-size:14px;line-height:1.7;color:var(--c-text);transition:border-color .2s ease,background .2s ease,transform .2s ease}
.feature-grid li::before{content:"";position:absolute;left:16px;top:20px;width:8px;height:8px;border-radius:50%;background:linear-gradient(140deg,#1d4ed8,#06b6d4);box-shadow:0 0 0 3px rgba(59,130,246,.1)}
.feature-grid li:hover{border-color:#bfd2f7;background:#f6f9ff;transform:translateY(-1px)}
.callout{position:relative;padding:17px 20px 17px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:linear-gradient(100deg,#f0f5ff 0%,#f8fbff 100%);border-left:3px solid var(--c-primary);font-size:14.5px;line-height:1.95;color:#41506a}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:500;color:#2743a0;background:#eef3ff;border:1px solid #dfe8ff;transition:background .2s ease,border-color .2s ease}
.tag:hover{background:#e3ecff;border-color:#c9dbff}
.note{margin-top:24px;display:flex;gap:14px;align-items:flex-start;padding:16px 20px;border-radius:var(--radius-sm);background:linear-gradient(100deg,#f5f3ff,#f8faff);border:1px solid #e5e1fb}
.note-icon{flex:none;width:24px;height:24px;border-radius:7px;margin-top:2px;background:linear-gradient(140deg,#6366f1,#8b5cf6);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.note p{font-size:14px;line-height:1.85;color:#4b4a6b}
.note p b{color:#4338ca;font-weight:700}
.deploy{scroll-margin-top:88px;margin-top:56px;padding:56px 0 0}
.deploy-head{text-align:center;margin-bottom:44px}
.deploy-head .kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--c-primary);text-transform:uppercase;padding:5px 14px;border-radius:999px;background:#e8efff;margin-bottom:16px}
.deploy-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.4px}
.deploy-head p{margin-top:12px;font-size:15px;color:var(--c-muted);max-width:38em;margin-left:auto;margin-right:auto}
.phases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.phase{position:relative;overflow:hidden;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:26px 24px 28px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.phase::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,#1d4ed8,#06b6d4);opacity:.85}
.phase:nth-child(1)::before{background:linear-gradient(90deg,#38bdf8,#22d3ee)}
.phase:nth-child(2)::before{background:linear-gradient(90deg,#3b82f6,#6366f1)}
.phase:nth-child(3)::before{background:linear-gradient(90deg,#4f46e5,#0ea5e9)}
.phase:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d6e0f2}
.phase-step{font-size:12.5px;font-weight:700;letter-spacing:1.2px;color:var(--c-muted)}
.phase-name{margin-top:8px;font-size:19px;font-weight:800;color:var(--c-title);display:flex;align-items:center;gap:9px}
.phase-badge{font-size:11px;font-weight:700;letter-spacing:.5px;padding:3px 9px;border-radius:6px;background:#eef3ff;color:#2743a0}
.phase-desc{margin-top:14px;font-size:14px;line-height:1.85;color:var(--c-text)}
.phase-list{margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);display:flex;flex-direction:column;gap:9px}
.phase-list li{position:relative;padding-left:20px;font-size:13.5px;line-height:1.7;color:#4a5769}
.phase-list li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;background:#c7d7f5;transform:rotate(45deg)}
.phase-cta{margin-top:18px;width:100%}
.principles{margin-top:22px;background:linear-gradient(155deg,#0b1424 0%,#122039 100%);border-radius:var(--radius);padding:34px 36px 36px;color:#c9d8ef;position:relative;overflow:hidden}
.principles::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.22),transparent 68%);pointer-events:none}
.principles h3{color:#fff;font-size:18px;margin-bottom:22px;display:flex;align-items:center;gap:10px}
.principles h3::before{content:"";width:4px;height:17px;border-radius:3px;background:linear-gradient(180deg,#38bdf8,#6366f1)}
.principle-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;position:relative;z-index:1}
.principle-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.8;color:#bed0ea;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.principle-list li .n{flex:none;margin-top:2px;width:19px;height:19px;border-radius:6px;background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.35);color:#7dd3fc;font-size:11px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.closing{margin:64px 0 0;padding:52px 40px;border-radius:var(--radius);background:radial-gradient(700px 300px at 12% 0%,rgba(59,130,246,.14),transparent 60%),linear-gradient(120deg,#f7faff,#eef4ff 55%,#f3f8ff);border:1px solid #dfe8fb;text-align:center}
.closing .quote{font-size:clamp(18px,2.3vw,23px);line-height:1.8;font-weight:700;color:#12203a;max-width:26em;margin:0 auto;letter-spacing:-.2px}
.closing .quote em{font-style:normal;background:linear-gradient(100deg,#1d4ed8,#06b6d4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.closing .sub{margin-top:20px;font-size:14.5px;color:#5b6b85;line-height:1.9;max-width:36em;margin-left:auto;margin-right:auto}
.closing-actions{margin-top:28px;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.closing .brandline{margin-top:28px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.closing .brandline span{font-size:13px;font-weight:600;color:#25419a;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #d9e4fb;box-shadow:0 2px 8px -4px rgba(29,78,216,.3)}
.consult-section{margin:64px 0;padding:44px 40px;border-radius:var(--radius);background:linear-gradient(135deg,#0b1424,#122039);color:#dbe6f7;position:relative;overflow:hidden;text-align:center;scroll-margin-top:88px}
.consult-section::after{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.22),transparent 68%);pointer-events:none}
.consult-section h2{color:#fff;font-size:24px;margin-bottom:12px;position:relative;z-index:1}
.consult-section p{color:#a9bad6;font-size:15px;margin:0 auto 24px;position:relative;z-index:1}
.consult-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.consult-actions .btn-primary{background:linear-gradient(135deg,#38bdf8,#6366f1)}
.consult-actions .btn-ghost{border-color:rgba(255,255,255,.25)}
.consult-contact{margin-top:18px;font-size:14px;color:#8fa2bf;position:relative;z-index:1}
.consult-contact b{color:#7dd3fc}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.65,.3,1),transform .7s cubic-bezier(.22,.65,.3,1);will-change:opacity,transform}
.reveal.in{opacity:1;transform:none}
@media (max-width:980px){
.phases{grid-template-columns:1fr}
.principle-list{grid-template-columns:1fr}
}
@media (max-width:820px){
.hero{padding:64px 0 58px}
.hero-qs{grid-template-columns:1fr}
.feature-grid{grid-template-columns:1fr}
.module{padding:26px 22px 28px}
.module-head{gap:14px}
.module-index{width:44px;height:44px;border-radius:12px;font-size:15px}
.module-head h2{font-size:19px}
.module-consult{display:none}
.principles{padding:26px 22px 28px}
.closing{padding:38px 22px;margin-top:48px}
main{padding-top:44px}
.intro{padding:22px 22px;margin-bottom:40px}
.consult-section{padding:34px 22px;margin-top:48px}
.topbar-cta{display:none}
.consult-float{right:14px;bottom:14px;padding:10px 16px;font-size:13px}
}
@media (max-width:560px){
.wrap{padding:0 16px}
.brand-text span{display:none}
.topbar-inner{gap:14px}
.hero h1{font-size:27px}
.hero-lead{font-size:15px}
.module{padding:22px 18px 24px;border-radius:14px}
.feature-grid li{padding:11px 14px 11px 36px;font-size:13.5px}
.feature-grid li::before{left:14px;top:18px}
.callout{font-size:14px;padding:15px 16px 15px 18px}
.deploy-head h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.reveal{opacity:1;transform:none;transition:none}
*{animation-duration:.001ms!important;transition-duration:.001ms!important}
}