:root{
  --navy:#0f172a;
  --blue:#3b82c4;
  --sky:#60a5fa;
  --ice:#eaf4fc;
  --white:#fbfdff;
  --page:#f7fbff;
  --text:#0f172a;
  --text2:#475569;
  --text3:#64748b;
  --muted:#94a3b8;
  --border:rgba(59,130,196,.18);
  --border-h:rgba(59,130,196,.34);
  --accent:#3b82c4;
  --accent2:#60a5fa;
  --accent-g:rgba(59,130,196,.08);
  --green:#16a34a;
  --amber:#d97706;
  --red:#dc2626;
  --radius:22px;
  --shadow-sm:0 8px 24px rgba(15,23,42,.055);
  --shadow-md:0 18px 48px rgba(15,23,42,.09);
  --ease:cubic-bezier(.16,1,.3,1);
  --mono:'DM Mono','JetBrains Mono',ui-monospace,monospace;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --display:'Space Grotesk','Noto Sans SC',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--page);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit}
.mono{font-family:var(--mono)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}
.blueprint{background-image:linear-gradient(rgba(59,130,196,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,196,.05) 1px,transparent 1px);background-size:30px 30px}
@keyframes blink{0%,100%{opacity:1;box-shadow:0 0 0 4px var(--accent-g)}50%{opacity:.35;box-shadow:0 0 0 8px transparent}}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{transform:translateX(0);opacity:.35}50%{transform:translateX(8px);opacity:1}}
.nav{position:sticky;top:0;z-index:50;padding:12px 0;background:rgba(247,251,255,.82);border-bottom:1px solid rgba(59,130,196,.12);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%)}
.nav-inner{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.5px;text-decoration:none}
.logo .m,.footer-mark .m{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav-links a{font-size:12px;font-weight:600;letter-spacing:.45px;color:var(--text3);text-decoration:none;padding:8px 10px;border-radius:999px;transition:color .25s,background .25s,border-color .25s}
.nav-links a:hover{color:var(--accent);background:var(--accent-g)}
.nav-gh{border:1px solid var(--border);color:var(--accent)!important;padding-inline:14px!important}
.hero{position:relative;overflow:hidden;padding:72px 0 56px;background:linear-gradient(180deg,#dceaf7 0%,#eaf4fc 55%,#f4f9fd 100%)}
.hero::after{content:'';position:absolute;width:420px;height:420px;border-radius:50%;right:-180px;top:-210px;background:radial-gradient(circle,rgba(96,165,250,.2),transparent 68%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;animation:rise .75s var(--ease) both}
.hero-kicker{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:1.5px;color:var(--accent);font-weight:700;margin-bottom:22px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-g);animation:blink 3s ease-in-out infinite;flex-shrink:0}
h1{font-family:var(--display);font-weight:700;font-size:clamp(40px,4.6vw,60px);line-height:1.12;letter-spacing:-.01em}
.grad{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{margin-top:20px;font-size:15px;line-height:1.95;color:var(--text2);max-width:560px}
.hero-cta,.about-cta,.detail-actions{display:flex;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.45px;padding:12px 22px;border-radius:10px;text-decoration:none;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 10px 26px rgba(59,130,196,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(59,130,196,.34)}
.btn-ghost{color:var(--text);border-color:var(--border);background:rgba(255,255,255,.65)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent)}
.hero-role{margin-top:34px;font-size:12px;letter-spacing:1px;color:var(--text3)}
.topo-panel,.arch-panel,.detail-panel{position:relative;border:1px solid rgba(59,130,196,.24);border-radius:22px;background:rgba(255,255,255,.64);box-shadow:0 20px 50px rgba(59,130,196,.12);padding:26px 24px 20px;overflow:hidden}
.topo-panel::before,.detail-panel::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.5),transparent 45%);pointer-events:none}
.flow-stack{position:relative;z-index:1;display:grid;gap:12px;padding:28px 10px}
.flow-node{display:grid;grid-template-columns:38px 1fr auto;gap:14px;align-items:center;border:1px solid var(--border);border-radius:14px;padding:14px 16px;background:rgba(255,255,255,.9);box-shadow:0 4px 14px rgba(15,23,42,.04)}
.flow-node .idx{font-family:var(--mono);font-size:10px;color:var(--muted)}
.flow-node b{display:block;font-family:var(--display);font-size:14px}
.flow-node span{display:block;margin-top:2px;font-size:11px;color:var(--text3)}
.flow-node .arrow{font-family:var(--mono);color:var(--accent);animation:pulse 2.4s ease-in-out infinite}
.topo-foot,.arch-caption{text-align:center;font-size:11px;letter-spacing:1px;color:var(--text3)}
.status-strip{border-top:1px solid rgba(59,130,196,.1);border-bottom:1px solid rgba(59,130,196,.13);background:rgba(255,255,255,.82)}
.strip-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:center;padding-top:16px;padding-bottom:16px}
.strip-item{font-size:11.5px;color:var(--text3);text-align:center;border-right:1px solid var(--border)}
.strip-item:last-child{border-right:none}
.strip-item b{color:var(--text);font-family:var(--mono);font-weight:500}
.section{padding:76px 0}
.section-white{background:rgba(255,255,255,.84)}
.section-ice{background:linear-gradient(180deg,#f4f9fd,#eef6fd)}
.section-head{display:grid;grid-template-columns:minmax(0,620px) 1fr;gap:40px;align-items:end;margin-bottom:34px}
.sec-title{font-family:var(--display);font-size:32px;font-weight:700}
.sec-desc{margin-top:8px;font-size:13.5px;line-height:1.85;color:var(--text2)}
.sec-line{height:1px;background:linear-gradient(90deg,var(--border),transparent);margin-bottom:9px}
.card{position:relative;border:1px solid var(--border);border-radius:var(--radius);background:rgba(255,255,255,.88);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;text-decoration:none}
.card:hover{transform:translateY(-3px);border-color:var(--border-h);box-shadow:var(--shadow-md)}
.card-no{position:absolute;top:18px;right:22px;font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:1px}
.kicker{font-family:var(--mono);font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent)}
.project-grid{display:grid;gap:20px}
.proj-feature{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);gap:48px;padding:42px 44px}
.proj-feature h3{font-family:var(--display);font-size:30px;line-height:1.25;margin:14px 0 10px}
.proj-feature .lead{font-size:13.5px;color:var(--text2);line-height:1.9;max-width:680px}
.value-prop{display:inline-flex;align-items:center;gap:8px;margin:16px 0 0;font-size:12.5px;font-weight:600;color:var(--accent);flex-wrap:wrap}
.value-prop::before{content:'价值主张';font-family:var(--mono);font-size:9.5px;letter-spacing:1.2px;color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:2px 8px;background:rgba(255,255,255,.7)}
.proj-tech,.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.proj-tech span,.chips span{font-family:var(--mono);font-size:10px;letter-spacing:.8px;color:var(--text3);border:1px solid var(--border);border-radius:999px;padding:4px 10px;background:rgba(255,255,255,.74)}
.proj-foot{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding-top:16px;border-top:1px solid var(--border);flex-wrap:wrap;gap:10px}
.proj-url{font-family:var(--mono);font-size:10.5px;color:var(--text3)}
.tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.8px;color:var(--accent);background:var(--accent-g);border:1px solid var(--border);border-radius:999px;padding:4px 10px}
.plugin-preview{align-self:center;border:1px solid rgba(59,130,196,.16);border-radius:16px;background:linear-gradient(180deg,#f8fcff,#f1f7fd);padding:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.95),0 14px 34px rgba(59,130,196,.1)}
.preview-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.preview-head b{font-family:var(--display);font-size:14px}
.preview-head span{font-family:var(--mono);font-size:9.5px;color:var(--accent);border:1px solid var(--border);border-radius:999px;padding:4px 8px;background:#fff}
.preview-result{border:1px solid rgba(217,119,6,.24);border-radius:12px;padding:16px;background:rgba(255,255,255,.92)}
.preview-result .label{font-family:var(--mono);font-size:9px;letter-spacing:1.1px;color:var(--muted)}
.preview-result strong{display:block;margin-top:5px;font-family:var(--display);font-size:20px;color:var(--amber)}
.preview-result p{margin-top:9px;font-size:11.5px;line-height:1.75;color:var(--text2)}
.preview-list{display:grid;gap:8px;margin-top:12px}
.preview-row{display:flex;justify-content:space-between;gap:10px;font-size:11px;padding:9px 10px;border-radius:9px;background:rgba(59,130,196,.05)}
.preview-row span:last-child{font-family:var(--mono);color:var(--text3)}
.arch-panel{padding:30px}
.arch-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:stretch}
.arch-node{position:relative;border:1px solid var(--border);border-radius:14px;padding:18px 14px;text-align:center;background:rgba(255,255,255,.86)}
.arch-node:not(:last-child)::after{content:'→';position:absolute;right:-12px;top:50%;transform:translateY(-50%);font-family:var(--mono);color:var(--muted);z-index:2}
.arch-node b{display:block;font-family:var(--mono);font-size:11px;color:var(--accent)}
.arch-node span{display:block;margin-top:7px;font-size:11px;color:var(--text3)}
.arch-caption{margin-top:18px}
.infra-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.engine-card,.obs-card{padding:36px;min-height:100%}
.engine-card h3,.obs-card h3{font-family:var(--display);font-size:24px;margin:12px 0 6px}
.engine-card .lead,.obs-card .lead{font-size:13.5px;color:var(--text2);line-height:1.85}
.engine-graph{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:28px 0 22px}
.engine-step{position:relative;border:1px solid var(--border);border-radius:10px;background:#fff;padding:13px 6px;text-align:center;font-family:var(--mono);font-size:10px;color:var(--accent)}
.engine-step:not(:last-child)::after{content:'→';position:absolute;right:-9px;color:var(--muted)}
.obs-flow{display:flex;align-items:center;gap:8px;margin:26px 0}
.obs-node{flex:1;text-align:center;border:1px solid var(--border);border-radius:10px;padding:13px 8px;background:rgba(255,255,255,.85)}
.obs-node b{display:block;font-family:var(--mono);font-size:10.5px}.obs-node span{display:block;margin-top:3px;font-size:10.5px;color:var(--text3)}
.obs-link{font-family:var(--mono);color:var(--muted)}
.obs-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}
.obs-links a{font-family:var(--mono);font-size:11px;color:var(--accent);text-decoration:none}
.notes-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.note-card{display:flex;flex-direction:column;min-height:230px;padding:30px 28px 26px}
.note-idx{font-family:var(--mono);font-size:11px;letter-spacing:1.2px;color:var(--muted)}
.note-title{font-family:var(--display);font-size:18px;font-weight:700;margin:14px 0 8px;line-height:1.5}
.note-desc{font-size:13px;color:var(--text2);line-height:1.8}
.note-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--border);font-size:10px;letter-spacing:.8px;color:var(--muted)}
.entry-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px 22px;margin-top:24px;padding:16px 24px;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.72)}
.entry-row-label{font-size:11px;font-weight:700;letter-spacing:1.2px;color:var(--accent)}
.entry-row a{font-family:var(--mono);font-size:11.5px;color:var(--text2);text-decoration:none}.entry-row a:hover{color:var(--accent)}
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;padding:46px 48px;border:1px solid var(--border);border-radius:26px;background:rgba(255,255,255,.76);box-shadow:var(--shadow-sm)}
.about h2{font-family:var(--display);font-size:30px;margin-top:14px}.about p{font-size:14px;color:var(--text2);line-height:1.95;margin-top:14px;max-width:620px}
.about-marks{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:14px;overflow:hidden}.about-mark{min-height:92px;background:rgba(255,255,255,.92);padding:18px 20px;display:flex;flex-direction:column;justify-content:center}.about-mark b{font-size:10px;letter-spacing:1.2px;color:var(--muted)}.about-mark span{margin-top:8px;font-size:12px;color:var(--text)}
.footer{background:linear-gradient(180deg,#0f172a,#16233a);color:#cbd5e1;padding:36px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer-left,.footer-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.footer-mark{font-family:var(--display);font-weight:700;font-size:15px;color:#f8fafc}.footer-sep{width:1px;height:14px;background:rgba(148,163,184,.3)}.footer-year{font-family:var(--mono);font-size:11px;color:#94a3b8}.footer-right{font-size:11px;color:#94a3b8}.footer-link{color:#94a3b8;text-decoration:none}.footer-link:hover{color:#93c5fd}.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid rgba(148,163,184,.18);display:flex;gap:8px 22px;flex-wrap:wrap;font-size:11px;color:#94a3b8}.footer-bottom a{color:#94a3b8;text-decoration:none}.footer-bottom a:hover{color:#93c5fd}
.detail-hero{padding:64px 0 48px;background:linear-gradient(180deg,#dceaf7 0%,#eaf4fc 58%,#f7fbff 100%)}
.detail-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.detail-title{font-family:var(--display);font-size:clamp(42px,5.2vw,68px);line-height:1.02;letter-spacing:-.02em}
.detail-tagline{margin-top:18px;font-family:var(--display);font-size:20px;color:var(--text2);max-width:650px;line-height:1.5}
.detail-copy{margin-top:16px;font-size:14px;color:var(--text2);line-height:1.9;max-width:650px}
.detail-panel{padding:24px}.terminal{position:relative;z-index:1;border:1px solid rgba(15,23,42,.12);border-radius:14px;background:#0f172a;color:#cbd5e1;padding:18px;box-shadow:0 18px 36px rgba(15,23,42,.2)}.terminal-bar{display:flex;gap:6px;margin-bottom:15px}.terminal-bar i{width:8px;height:8px;border-radius:50%;background:#475569}.terminal code{font-family:var(--mono);font-size:11.5px;line-height:1.8;white-space:pre-wrap}.terminal .good{color:#86efac}.terminal .warn{color:#fcd34d}.terminal .dim{color:#94a3b8}
.verdict-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.verdict{border:1px solid var(--border);border-radius:14px;background:#fff;padding:18px}.verdict b{font-family:var(--mono);font-size:11px}.verdict p{margin-top:8px;font-size:11.5px;color:var(--text3);line-height:1.7}.v-valid b{color:var(--green)}.v-invalid b{color:var(--red)}.v-insufficient b{color:var(--amber)}.v-revalidate b{color:#7c3aed}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature{padding:26px}.feature h3{font-family:var(--display);font-size:18px;margin:10px 0 8px}.feature p{font-size:12.5px;color:var(--text2);line-height:1.8}
.codebox{border:1px solid var(--border);border-radius:16px;background:#0f172a;color:#cbd5e1;padding:20px;overflow:auto}.codebox code{font-family:var(--mono);font-size:11.5px;line-height:1.8;white-space:pre}
.boundary{border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:var(--accent-g);padding:18px 20px;font-size:13px;color:var(--text2);line-height:1.85}
.small{font-size:11px;color:var(--text3)}
a:focus-visible{outline:3px solid rgba(59,130,196,.34);outline-offset:3px}
@media(max-width:1020px){.hero-grid,.detail-grid{grid-template-columns:1fr;gap:42px}.proj-feature{grid-template-columns:1fr}.notes-grid{grid-template-columns:repeat(2,1fr)}.arch-grid{grid-template-columns:repeat(2,1fr)}.arch-node:nth-child(2)::after{display:none}.strip-inner{grid-template-columns:repeat(2,1fr);row-gap:12px}.strip-item:nth-child(2){border-right:none}}
@media(max-width:760px){.container{padding:0 20px}.nav-inner{align-items:flex-start;flex-direction:column;gap:8px}.nav-links{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.hero{padding:54px 0 42px}.hero-grid{gap:34px}.section{padding:62px 0}.section-head{grid-template-columns:1fr}.sec-line{display:none}.sec-title{font-size:27px}.proj-feature,.engine-card,.obs-card{padding:28px 24px}.infra-grid,.feature-grid{grid-template-columns:1fr}.notes-grid{grid-template-columns:1fr}.about{grid-template-columns:1fr;padding:30px 26px}.verdict-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.hero-cta,.about-cta,.detail-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.strip-inner{grid-template-columns:1fr}.strip-item{border-right:none;border-bottom:1px solid var(--border);padding:8px 0}.strip-item:last-child{border-bottom:none}.arch-grid{grid-template-columns:1fr}.arch-node::after{display:none!important}.about-marks,.verdict-grid{grid-template-columns:1fr}.proj-feature{padding:24px 20px}.detail-hero{padding:48px 0 38px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.status-dot,.flow-node .arrow{animation:none!important}.hero-grid{animation:none!important}}