:root{color-scheme:dark;--ink:#061522;--ink-deep:#030d15;--panel:#0a2032;--line:rgba(152,190,207,.19);--line-strong:rgba(121,226,218,.42);--text:#f4f7f7;--muted:#99aeba;--cyan:#59d6ce;--cyan-bright:#87ece5;--orange:#ef8655;--paper:#d9e5e8}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--text);background:var(--ink-deep);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}
body::before{content:"";position:fixed;z-index:-2;inset:0;background:radial-gradient(circle at 76% 12%,rgba(51,172,172,.15),transparent 28rem),radial-gradient(circle at 12% 82%,rgba(37,101,138,.12),transparent 30rem),var(--ink-deep)}
.page-noise{position:fixed;z-index:-1;inset:0;opacity:.22;pointer-events:none;background-image:linear-gradient(rgba(139,184,201,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(139,184,201,.055) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,#000,transparent 78%)}
a{color:inherit}h1,h2,h3,p{margin-top:0}.site-header{position:sticky;z-index:20;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:84px;padding:0 clamp(22px,5vw,78px);border-bottom:1px solid var(--line);background:rgba(3,13,21,.86);backdrop-filter:blur(18px)}
.brand{display:inline-flex;gap:13px;align-items:center;text-decoration:none}.brand-mark{position:relative;display:grid;width:48px;height:48px;place-items:center;border:1px solid var(--line-strong);color:var(--cyan-bright);background:linear-gradient(145deg,rgba(89,214,206,.12),transparent);clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%)}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--orange)}.brand-mark::before{top:-1px;left:10px;width:11px;height:2px}.brand-mark::after{right:-1px;bottom:10px;width:2px;height:11px}.brand-mark b{font:700 13px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}.brand-copy strong,.brand-copy small{display:block}.brand-copy strong{letter-spacing:.1em}.brand-copy small{margin-top:3px;color:#668294;font:9px/1.4 ui-monospace,monospace;letter-spacing:.16em}
nav{display:flex;gap:34px}nav a{color:#8da2ae;font-size:13px;text-decoration:none;transition:color .2s ease}nav a:hover,nav a:focus-visible{color:var(--cyan-bright);outline:none}.status{justify-self:end;color:#73909f;font:11px ui-monospace,monospace;letter-spacing:.14em}.status i,.tool-state i{display:inline-block;width:7px;height:7px;margin-right:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(89,214,206,.1)}
main{overflow:hidden}.eyebrow{margin:0 0 20px;color:var(--cyan);font:600 11px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.22em}.eyebrow span{margin-right:12px;color:var(--orange)}.section-index{color:#4e6b7b;font:10px ui-monospace,monospace;letter-spacing:.18em}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.75fr);gap:clamp(54px,7vw,110px);align-items:center;min-height:calc(100vh - 84px);max-width:1450px;margin:0 auto;padding:80px clamp(22px,5vw,78px) 100px}
h1{max-width:820px;margin-bottom:30px;font-family:"Songti SC",SimSun,serif;font-size:clamp(47px,6.2vw,90px);font-weight:500;line-height:1.08;letter-spacing:-.055em}h1 em{color:var(--cyan-bright);font-style:normal}.intro{max-width:650px;color:#b1c0c8;font-size:clamp(16px,1.35vw,20px)}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.hero-tags span{padding:5px 11px;border:1px solid var(--line);color:#7892a1;font-size:11px;letter-spacing:.08em}.hero-actions{display:flex;gap:28px;align-items:center;margin-top:38px}
.primary-link{display:inline-flex;gap:42px;align-items:center;min-width:190px;padding:14px 17px;border:1px solid var(--line-strong);color:var(--cyan-bright);text-decoration:none;transition:color .2s ease,background .2s ease}.primary-link:hover,.primary-link:focus-visible{color:var(--ink-deep);background:var(--cyan-bright);outline:none}.text-link{color:#8097a5;font-size:13px;text-decoration:none}.text-link span{margin-left:9px;color:var(--orange)}
.identity-panel{position:relative;min-height:560px;padding:27px;border:1px solid var(--line);background:linear-gradient(rgba(119,173,192,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(119,173,192,.05) 1px,transparent 1px),linear-gradient(145deg,rgba(12,44,65,.88),rgba(5,20,31,.9));background-size:38px 38px,38px 38px,auto;box-shadow:0 30px 80px rgba(0,0,0,.28)}.panel-meta{display:flex;justify-content:space-between;color:#5d7888;font:9px ui-monospace,monospace;letter-spacing:.13em}.monogram{position:absolute;inset:50% auto auto 50%;width:75%;transform:translate(-50%,-56%);text-align:center}.monogram b{display:block;color:transparent;font:800 clamp(92px,11vw,170px)/.9 Arial Black,sans-serif;letter-spacing:-.12em;-webkit-text-stroke:1px rgba(135,236,229,.82);text-shadow:0 0 40px rgba(89,214,206,.11)}.monogram small{display:block;margin-top:22px;color:var(--orange);font:10px ui-monospace,monospace;letter-spacing:.32em}.monogram-line{position:absolute;z-index:-1;top:47%;left:-12%;width:124%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
.panel-grid{position:absolute;right:27px;bottom:27px;left:27px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.panel-grid div{padding:18px 12px 0}.panel-grid div+div{border-left:1px solid var(--line)}.panel-grid small{display:block;color:#4f6b7a;font:9px ui-monospace,monospace;letter-spacing:.15em}.panel-grid strong{display:block;margin-top:5px;color:#aebfc7;font-size:13px;font-weight:500}.corner{position:absolute;width:18px;height:18px;border-color:var(--cyan);opacity:.68}.corner-tl{top:12px;left:12px;border-top:1px solid;border-left:1px solid}.corner-tr{top:12px;right:12px;border-top:1px solid;border-right:1px solid}.corner-bl{bottom:12px;left:12px;border-bottom:1px solid;border-left:1px solid}.corner-br{right:12px;bottom:12px;border-right:1px solid;border-bottom:1px solid}
.profile-section,.tools,.principles{max-width:1280px;margin:0 auto;padding:118px clamp(22px,5vw,78px)}.profile-section{display:grid;grid-template-columns:140px minmax(0,1fr) minmax(280px,.54fr);gap:48px;border-top:1px solid var(--line)}.profile-copy h2,.section-heading h2,.principles h2{margin:0;font-family:"Songti SC",SimSun,serif;font-size:clamp(34px,4.4vw,58px);font-weight:500;line-height:1.25;letter-spacing:-.03em}.profile-intro{align-self:end;margin-bottom:5px;color:var(--muted)}
.workflow{grid-column:2/4;display:grid;grid-template-columns:repeat(3,1fr);margin-top:20px;border:1px solid var(--line)}.workflow article{position:relative;min-height:260px;padding:34px;background:rgba(8,29,44,.62)}.workflow article+article{border-left:1px solid var(--line)}.workflow-no{position:absolute;top:28px;right:28px;color:#2e5062;font:32px ui-monospace,monospace}.workflow small{color:var(--orange);font:9px ui-monospace,monospace;letter-spacing:.2em}.workflow h3{margin:68px 0 11px;font-size:20px}.workflow p{margin:0;color:#8399a6;font-size:14px}
.tools{border-top:1px solid var(--line)}.section-heading{display:flex;gap:42px;align-items:end;justify-content:space-between;margin:28px 0 42px 188px}.section-heading>p{max-width:410px;margin-bottom:7px;color:var(--muted)}.featured-tool{display:grid;grid-template-columns:.82fr 1.18fr;min-height:530px;border:1px solid var(--line);background:rgba(8,30,46,.74);box-shadow:inset 4px 0 0 var(--cyan)}
.tool-visual{position:relative;overflow:hidden;display:grid;place-items:center;min-height:500px;border-right:1px solid var(--line);background:linear-gradient(145deg,#0d2d42,#071923)}.tool-visual::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(135,236,229,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(135,236,229,.055) 1px,transparent 1px);background-size:30px 30px}.visual-code{position:absolute;top:25px;left:27px;color:var(--cyan);font:10px ui-monospace,monospace;letter-spacing:.18em}.report-sheet{position:relative;z-index:1;width:236px;height:310px;padding:32px 26px;background:var(--paper);box-shadow:18px 22px 0 rgba(2,10,16,.42);transform:rotate(-2.5deg)}.sheet-title{display:block;width:48%;height:9px;margin-bottom:28px;background:#3d5b68}.sheet-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:9px}.sheet-row i{display:block;height:72px;background:linear-gradient(145deg,#78a1ae,#315365)}.sheet-line{display:block;width:100%;height:5px;margin-top:18px;background:#78919a;opacity:.6}.sheet-line.short{width:66%;margin-top:8px}.visual-stamp{position:absolute;z-index:2;right:25px;bottom:29px;width:76px;height:76px;padding-top:21px;border:1px solid var(--orange);border-radius:50%;color:var(--orange);font:700 10px/1.4 ui-monospace,monospace;text-align:center;transform:rotate(9deg)}
.featured-tool .tool-content{display:flex;flex-direction:column;justify-content:center;padding:clamp(36px,5vw,72px)}.tool-meta{display:flex;justify-content:space-between;color:#5e7887;font:9px ui-monospace,monospace;letter-spacing:.16em}.tool-state{color:var(--cyan)}.tool-content h3{margin:28px 0 18px;font-size:clamp(34px,4vw,56px);line-height:1.15}.tool-content>p{max-width:610px;color:#9fb1bb;font-size:16px}.tool-content ul{display:flex;flex-wrap:wrap;gap:8px;margin:11px 0 34px;padding:0;list-style:none}.tool-content li{padding:5px 10px;border:1px solid var(--line);color:#77909e;font-size:11px}.tool-action{display:flex;align-items:center;justify-content:space-between;max-width:240px;min-height:56px;padding:0 18px;border:1px solid var(--line-strong);color:var(--cyan-bright);text-decoration:none}.tool-action:hover,.tool-action:focus-visible{color:var(--ink-deep);background:var(--cyan-bright);outline:none}.tool-action b{font-size:20px}
.featured-tool+.featured-tool{margin-top:22px}.featured-tool-reverse{box-shadow:inset -4px 0 0 var(--orange)}.featured-tool-reverse .tool-visual{order:2;border-right:0;border-left:1px solid var(--line)}.featured-tool-reverse .tool-content{order:1}.search-visual{background:linear-gradient(145deg,#122638,#071923)}.search-device{position:relative;z-index:1;width:min(82%,360px);padding:20px;border:1px solid rgba(135,236,229,.34);background:rgba(4,17,27,.88);box-shadow:-18px 22px 0 rgba(2,10,16,.38);transform:rotate(1.5deg)}.device-head{display:flex;align-items:center;gap:9px;padding-bottom:16px;border-bottom:1px solid var(--line);color:#9cb0ba;font-size:12px}.device-head i{width:7px;height:7px;border-radius:50%;background:var(--orange)}.device-head b{margin-left:auto;color:var(--cyan);font:18px ui-monospace,monospace}.search-field{display:flex;align-items:center;justify-content:space-between;margin:20px 0 14px;padding:13px 14px;border:1px solid var(--line);color:#617d8c;font-size:11px}.search-field b{color:var(--cyan);font-size:17px}.answer-preview{display:grid;grid-template-columns:1fr auto;align-items:center;padding:18px;border-left:3px solid var(--cyan);background:rgba(89,214,206,.08)}.answer-preview small{color:var(--cyan);font:9px ui-monospace,monospace;letter-spacing:.15em}.answer-preview strong{grid-row:1/3;grid-column:2;color:var(--orange);font:600 48px/1 ui-monospace,monospace}.answer-preview span{color:#9db0ba;font-size:12px}.device-actions{display:flex;gap:8px;margin-top:17px}.device-actions i{display:block;width:34%;height:7px;background:#284657}.device-actions i+ i{width:22%;background:#1a3444}.search-stamp{right:auto;left:25px;border-color:var(--cyan);color:var(--cyan);transform:rotate(-8deg)}
.next-tool{display:grid;grid-template-columns:80px 1fr 1fr 170px;gap:25px;align-items:center;margin-top:18px;padding:26px 32px;border:1px solid var(--line);color:#6e8795}.next-number{color:#385c6e;font:30px ui-monospace,monospace}.next-tool small{color:var(--orange);font:9px ui-monospace,monospace;letter-spacing:.18em}.next-tool h3,.next-tool p{margin-bottom:0}.next-tool h3{margin-top:4px;color:#9baeb7;font-size:16px}.next-tool p{font-size:13px}.progress{height:2px;background:#19394b}.progress i{display:block;width:36%;height:100%;background:var(--orange)}
.principles{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(56px,8vw,120px);border-top:1px solid var(--line)}.principles-heading h2{max-width:610px}.principle-list{border-top:1px solid var(--line)}.principle-list article{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:23px 0;border-bottom:1px solid var(--line)}.principle-list article>span{color:var(--orange);font:10px ui-monospace,monospace}.principle-list strong{font-size:18px}.principle-list p{margin:4px 0 0;color:#8096a2;font-size:13px}
footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:31px clamp(22px,5vw,78px);border-top:1px solid var(--line);color:#5d7786;font:10px ui-monospace,monospace;letter-spacing:.1em}footer div{display:flex;gap:12px;align-items:center}footer strong{color:var(--cyan);font-size:15px}footer p{margin:0}footer>span{justify-self:end}
@media(max-width:1040px){.site-header{grid-template-columns:1fr auto}nav{display:none}.hero{grid-template-columns:1fr}.identity-panel{min-height:480px}.profile-section{grid-template-columns:100px 1fr}.profile-intro{grid-column:2}.workflow{grid-column:1/3}.section-heading{margin-left:0}.next-tool{grid-template-columns:60px 1fr 1fr}.next-tool .progress{grid-column:2/4}}
@media(max-width:760px){.site-header{min-height:72px}.brand-copy small{display:none}.status{font-size:0}.status i{margin-right:0}.hero{min-height:auto;padding-top:70px}h1{font-size:clamp(42px,13vw,64px)}.identity-panel{min-height:400px}.monogram b{font-size:clamp(85px,28vw,130px)}.hero-actions{align-items:flex-start;flex-direction:column}.profile-section{display:block}.profile-copy{margin:30px 0 20px}.profile-intro{margin-bottom:36px}.workflow{grid-template-columns:1fr}.workflow article{min-height:215px}.workflow article+article{border-top:1px solid var(--line);border-left:0}.section-heading{display:block}.section-heading>p{margin-top:20px}.featured-tool{grid-template-columns:1fr}.featured-tool-reverse .tool-visual,.featured-tool-reverse .tool-content{order:initial}.featured-tool-reverse .tool-visual,.tool-visual{min-height:420px;border-right:0;border-bottom:1px solid var(--line);border-left:0}.next-tool{grid-template-columns:50px 1fr}.next-tool>p,.next-tool .progress{grid-column:2}.principles{grid-template-columns:1fr}footer{grid-template-columns:1fr;gap:10px}footer p,footer>span{justify-self:start}}
@media(max-width:460px){.brand-copy strong{font-size:13px}.identity-panel{min-height:350px}.panel-grid strong{font-size:11px}.profile-section,.tools,.principles{padding-block:88px}.report-sheet{width:200px;height:270px}.featured-tool .tool-content{padding:32px 24px}.tool-meta{gap:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}