/* 首页专属样式 */
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-new(root){animation:vtReveal .6s var(--ease)}
@keyframes vtReveal{from{clip-path:circle(0 at var(--vt-x,50%) var(--vt-y,0))}to{clip-path:circle(150vmax at var(--vt-x,50%) var(--vt-y,0))}}

/* ---------- Hero ---------- */
.hero{min-height:calc(100vh - var(--header-h));display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;padding:56px 0 88px;position:relative}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.16em;color:var(--muted);padding:7px 14px 7px 10px;border:1px solid var(--line);border-radius:99px;background:var(--panel)}
.hero-eyebrow #hero-role{color:var(--accent)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent-glow);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(206,250,114,.5)}70%{box-shadow:0 0 0 10px rgba(206,250,114,0)}100%{box-shadow:0 0 0 0 rgba(206,250,114,0)}}
.hero-title{font-size:clamp(44px,6vw,86px);font-weight:700;letter-spacing:-.045em;line-height:1.12;margin:28px 0 26px}
.hero-title .hl{background:linear-gradient(100deg,var(--accent) 10%,var(--spring) 60%,var(--c-cloud));-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.08em}
.hero-intro{color:var(--muted);font-size:16px;line-height:1.95;max-width:540px}
.hero-intro strong{color:var(--text);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:36px;margin:48px 0 0;padding-top:26px;border-top:1px dashed var(--line)}
.hero-stats dt{font-size:12px;color:var(--faint);order:2}
.hero-stats div{display:flex;flex-direction:column-reverse}
.hero-stats dd{margin:0;font-family:var(--f-display);font-size:34px;font-weight:600;letter-spacing:-.03em}
.hero-stats dd span::after{content:"+";color:var(--accent);font-size:.6em;margin-left:2px;vertical-align:top}

.hero-visual{position:relative}
.topo-frame{position:relative;border:1px solid var(--line);border-radius:var(--r-xl);background:linear-gradient(160deg,var(--panel),var(--bg-2));box-shadow:var(--shadow);overflow:hidden}
.topo-frame::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:conic-gradient(from var(--ang,0deg),transparent 0 70%,var(--accent) 85%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:spinBorder 6s linear infinite;pointer-events:none}
@property --ang{syntax:"<angle>";initial-value:0deg;inherits:false}
@keyframes spinBorder{to{--ang:360deg}}
.topo-head{display:flex;align-items:center;gap:14px;height:42px;padding:0 16px;border-bottom:1px solid var(--line);font-size:11.5px;color:var(--muted)}
.topo-head span{display:flex;gap:6px}
.topo-head span i{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.topo-head span i:first-child{background:#ff6b6b99}.topo-head span i:nth-child(2){background:#f7c94899}.topo-head span i:nth-child(3){background:#7bdc8a99}
.topo-head em{margin-left:auto;font-style:normal;color:var(--accent)}
#topo{width:100%;height:440px;cursor:crosshair}
.topo-legend{display:flex;flex-wrap:wrap;gap:16px;padding:12px 16px;border-top:1px solid var(--line);font-size:10.5px;color:var(--muted)}
.topo-legend span{display:inline-flex;align-items:center;gap:6px}
.topo-legend i{width:14px;height:2px;border-radius:2px}
.topo-legend .hint{margin-left:auto;color:var(--faint)}
.scroll-cue{position:absolute;bottom:22px;left:50%;translate:-50% 0;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:10px;letter-spacing:.3em;color:var(--faint)}
.scroll-cue i{width:1px;height:40px;background:linear-gradient(var(--accent),transparent);animation:cue 2s var(--ease) infinite;transform-origin:top}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 跑马灯 ---------- */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:18px 0;background:var(--bg-2);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:40px;width:max-content;animation:marquee 50s linear infinite;font-size:13px;color:var(--muted);white-space:nowrap}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{display:inline-flex;align-items:center;gap:40px}
.marquee-track span::after{content:"✦";color:var(--accent);font-size:10px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:340px 1fr;grid-template-rows:auto auto;gap:20px}
.about-profile{grid-row:span 2;padding:32px;display:flex;flex-direction:column;align-items:flex-start}
.avatar{width:104px;height:104px;margin-bottom:22px}
.avatar-ring{transform-origin:center;animation:spin 18s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.about-profile h3{font-size:26px;letter-spacing:.04em}
.about-profile>p{font-size:13px;margin-top:4px}
.about-facts{list-style:none;padding:0;margin:26px 0;display:flex;flex-direction:column;gap:12px;width:100%}
.about-facts li{display:grid;grid-template-columns:48px 1fr;font-size:13px;color:var(--text-2);padding-bottom:12px;border-bottom:1px dashed var(--line)}
.about-facts span{font-family:var(--f-mono);font-size:11px;color:var(--faint);padding-top:2px}
.about-now{margin-top:auto;font-size:12.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.about-now .badge{flex:none;margin-top:1px}
.terminal{background:var(--code-bg)}
.term-head{display:flex;align-items:center;gap:14px;height:38px;padding:0 14px;border-bottom:1px solid var(--line);font-size:11px;color:var(--faint)}
.term-head span{display:flex;gap:6px}.term-head span i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.term-body{padding:18px 20px;font-size:12.5px;line-height:1.85;min-height:236px;color:var(--text-2)}
.term-body .cmd{color:var(--text)}
.term-body .cmd::before{content:"❯ ";color:var(--accent)}
.term-body .k{color:var(--c-cloud)}.term-body .s{color:var(--c-spring)}.term-body .n{color:var(--c-java)}.term-body .c{color:var(--faint)}
.term-body .cursor{display:inline-block;width:8px;height:15px;background:var(--accent);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.principle{padding:24px;transition:transform .5s var(--ease),border-color .3s}
.principle:hover{border-color:color-mix(in srgb,var(--c) 45%,var(--line))}
.p-no{font-size:11px;color:var(--c);display:block;margin-bottom:28px}
.principle h3{font-size:17px;margin-bottom:10px}
.principle p{font-size:12.5px;color:var(--muted);line-height:1.85}

/* ---------- 生态地图 ---------- */
.eco-section{background:linear-gradient(180deg,transparent,var(--bg-2) 20%,var(--bg-2) 80%,transparent)}
.eco-grid{display:grid;grid-template-columns:1fr 380px;gap:24px;align-items:start}
.eco-layers{display:flex;flex-direction:column;gap:10px;position:relative}
.eco-layer{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);position:relative;transition:border-color .3s,transform .4s var(--ease)}
.eco-layer::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c)}
.eco-layer:hover{border-color:color-mix(in srgb,var(--c) 40%,var(--line));transform:translateX(4px)}
.eco-layer-name{font-size:14px;font-weight:600}
.eco-layer-name small{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;color:var(--c);font-weight:400}
.eco-nodes{display:flex;flex-wrap:wrap;gap:8px}
.eco-node{--c:inherit}
.eco-layer .chip{border-style:solid}
.eco-flow{height:14px;margin:-6px 0 -6px 75px;width:2px;background:repeating-linear-gradient(var(--line-2) 0 3px,transparent 3px 6px);animation:flow 1s linear infinite}
@keyframes flow{to{background-position:0 6px}}
.eco-detail{position:sticky;top:calc(var(--header-h) + 20px);padding:28px;min-height:360px}
.eco-detail .layer-tag{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;color:var(--c)}
.eco-detail h3{font-size:24px;margin:10px 0 6px}
.eco-detail .role{color:var(--muted);font-size:13.5px}
.eco-detail ul{list-style:none;padding:0;margin:22px 0;display:flex;flex-direction:column;gap:12px}
.eco-detail li{display:flex;gap:12px;font-size:13.5px;line-height:1.7;color:var(--text-2);opacity:0;transform:translateX(-8px);animation:liIn .5s var(--ease) forwards;animation-delay:calc(var(--i) * 70ms)}
.eco-detail li::before{content:"";flex:none;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--c);rotate:45deg}
@keyframes liIn{to{opacity:1;transform:none}}
.eco-detail .anim{animation:detailIn .45s var(--ease)}
@keyframes detailIn{from{opacity:0;transform:translateY(10px)}}

/* ---------- 请求旅程 ---------- */
.journey{display:grid;grid-template-columns:420px 1fr;gap:56px}
.journey-stage{position:relative}
.journey-sticky{position:sticky;top:calc(var(--header-h) + 30px);height:min(600px,calc(100vh - var(--header-h) - 60px));border:1px solid var(--line);border-radius:var(--r-xl);background:var(--panel);padding:20px;display:flex;align-items:center;justify-content:center}
#journey-svg{width:100%;height:100%}
#journey-svg .st rect{fill:var(--panel-2);stroke:var(--line-2);transition:fill .4s,stroke .4s}
#journey-svg .st text{fill:var(--muted);font-family:var(--f-mono);font-size:15px;font-weight:600;transition:fill .4s}
#journey-svg .st .sub{font-size:11px;font-weight:400;fill:var(--faint)}
#journey-svg .st.done rect{stroke:color-mix(in srgb,var(--accent) 50%,var(--line))}
#journey-svg .st.done text{fill:var(--text-2)}
#journey-svg .st.on rect{fill:color-mix(in srgb,var(--accent) 14%,var(--panel));stroke:var(--accent)}
#journey-svg .st.on text{fill:var(--text)}
#journey-svg .wire{stroke:var(--line-2);stroke-width:1.5;fill:none;stroke-dasharray:4 4}
#journey-svg .wire-on{stroke:var(--accent);stroke-width:2;fill:none;transition:stroke-dashoffset .6s var(--ease)}
#journey-svg .packet{fill:var(--accent);filter:drop-shadow(0 0 6px var(--accent));transition:transform .6s var(--ease)}
.journey-sticky{flex-direction:column-reverse;gap:6px}
#journey-svg{flex:1;min-height:0}
.journey-meter{align-self:stretch;display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:10px 6px 0;border-top:1px dashed var(--line);font-size:22px;color:var(--accent)}
.journey-meter small{order:-1;margin-right:auto;font-size:10px;color:var(--faint);letter-spacing:.12em}
.journey-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:22px;counter-reset:step}
.j-step{padding:28px 30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);opacity:.45;transition:opacity .5s,border-color .5s,transform .5s var(--ease);min-height:32vh}
.j-step.on{opacity:1;border-color:color-mix(in srgb,var(--accent) 40%,var(--line));transform:translateX(-6px)}
.j-step header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.j-step .no{font-family:var(--f-mono);font-size:11px;color:var(--accent);border:1px solid currentColor;border-radius:6px;padding:1px 7px}
.j-step h3{font-size:20px}
.j-step .cost{margin-left:auto;font-family:var(--f-mono);font-size:11px;color:var(--faint)}
.j-step p{color:var(--text-2);font-size:14px;line-height:1.9}
.j-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.j-box{border-radius:10px;padding:12px 14px;font-size:12.5px;line-height:1.75;color:var(--text-2);background:var(--panel-2);border:1px solid var(--line)}
.j-box b{display:block;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;margin-bottom:4px}
.j-box.fail b{color:var(--danger)}.j-box.fix b{color:var(--ok)}
.j-step code{font-size:11.5px;padding:1px 6px;border-radius:5px;background:var(--panel-3);color:var(--accent)}
.j-step a.more{display:inline-flex;gap:6px;margin-top:14px;font-size:12.5px;color:var(--accent)}

/* ---------- 知识库 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{padding:24px;min-height:200px;display:flex;flex-direction:column;--c:var(--accent)}
.cat-card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:var(--f-mono);font-weight:800;font-size:18px;background:color-mix(in srgb,var(--c) 14%,transparent);color:var(--c);border:1px solid color-mix(in srgb,var(--c) 30%,transparent);transition:transform .5s var(--ease-spring)}
.cat-card:hover .ic{transform:rotate(-10deg) scale(1.08)}
.cat-card .en{font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;color:var(--faint);margin-top:22px}
.cat-card h3{font-size:18px;margin:4px 0 8px}
.cat-card p{font-size:12.5px;color:var(--muted);line-height:1.8}
.cat-card .count{margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;align-items:center;font-family:var(--f-mono);font-size:11px;color:var(--faint)}
.cat-card .count b{color:var(--c);font-size:13px}
.cat-card.all{background:linear-gradient(140deg,color-mix(in srgb,var(--accent) 12%,var(--panel)),var(--panel));justify-content:space-between}
.cat-card.all h3{font-size:22px}
.featured{margin-top:56px;display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.feat{display:grid;grid-template-columns:40px 1fr auto;gap:16px;align-items:start;padding:22px 0;border-top:1px solid var(--line);transition:padding .3s var(--ease)}
.feat:hover{padding-left:8px}
.feat .n{font-family:var(--f-mono);font-size:12px;color:var(--faint);padding-top:3px}
.feat h3{font-family:var(--f-sans);font-size:16px;font-weight:600;letter-spacing:0;transition:color .2s;line-height:1.5}
.feat:hover h3{color:var(--accent)}
.feat .meta{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.feat .go{color:var(--faint);transition:transform .35s var(--ease-spring),color .2s;padding-top:2px}
.feat:hover .go{color:var(--accent);transform:translate(3px,-3px)}

/* ---------- 实验室预览 ---------- */
.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lab-card{padding:26px;min-height:230px;display:flex;flex-direction:column}
.lab-card .top{display:flex;justify-content:space-between;align-items:center}
.lab-card .en{font-family:var(--f-mono);font-size:10.5px;color:var(--c);letter-spacing:.08em}
.lab-card h3{font-size:19px;margin:18px 0 10px}
.lab-card p{font-size:13px;color:var(--muted);line-height:1.85}
.lab-card .open{margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--c);display:flex;align-items:center;gap:8px}
.lab-card .open svg{width:15px;transition:transform .35s var(--ease-spring)}
.lab-card:hover .open svg{transform:translateX(4px)}
.lab-viz{height:46px;display:flex;align-items:flex-end;gap:3px}
.lab-viz i{flex:1;background:color-mix(in srgb,var(--c) 40%,transparent);border-radius:2px 2px 0 0;height:var(--h);animation:bars 2.4s var(--ease) infinite alternate;animation-delay:var(--dl)}
@keyframes bars{to{height:calc(var(--h) * .35)}}

/* ---------- 雷达 ---------- */
.radar-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center}
.radar-chart{max-width:600px;width:100%;margin:auto}
#radar-svg .ring{fill:none;stroke:var(--line)}
#radar-svg .ring-fill{fill:var(--panel)}
#radar-svg .axis{stroke:var(--line-2)}
#radar-svg .ring-label{fill:var(--faint);font-family:var(--f-mono);font-size:10px;letter-spacing:.08em}
#radar-svg .q-label{fill:var(--muted);font-size:13px;font-weight:600}
#radar-svg .blip{cursor:pointer;transition:opacity .3s}
#radar-svg .blip circle{transition:r .25s var(--ease-spring)}
#radar-svg .blip:hover circle{r:9}
#radar-svg .blip.dim{opacity:.15}
#radar-svg .sweep{transform-origin:300px 300px;animation:spin 8s linear infinite}
.radar-list{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:6px;max-height:420px;overflow:auto}
.radar-list li{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;font-size:13px;cursor:default;transition:background .2s}
.radar-list li:hover,.radar-list li.hot{background:var(--panel-2)}
.radar-list li i{width:8px;height:8px;border-radius:50%;flex:none}
.radar-list li small{margin-left:auto;font-family:var(--f-mono);font-size:9.5px;color:var(--faint)}

/* ---------- CTA ---------- */
.cta{padding:72px 48px;text-align:center;display:flex;flex-direction:column;align-items:center}
.cta h2{font-size:clamp(32px,4.4vw,56px);margin-bottom:14px}
.cta .hero-actions{justify-content:center}
.cta-code{position:absolute;left:28px;top:24px;font-size:11px;color:var(--faint);text-align:left;opacity:.5;line-height:1.7}

@media (max-width:1100px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:48px}
  .about-grid{grid-template-columns:1fr 1fr}
  .about-profile{grid-row:auto}
  .principles{grid-column:1/-1;grid-template-columns:repeat(2,1fr)}
  .eco-grid{grid-template-columns:1fr}
  .eco-detail{position:relative;top:0;min-height:0}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .lab-grid{grid-template-columns:repeat(2,1fr)}
  .journey{grid-template-columns:1fr 1.2fr;gap:28px}
  .radar-wrap{grid-template-columns:1fr}
}
@media (max-width:760px){
  .hero{padding:32px 0 64px;gap:36px}
  .hero-eyebrow .eb-long{display:none}
  .hero-title{margin:22px 0 18px}
  .hero-intro{font-size:14.5px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  #topo{height:340px}
  .topo-legend .hint{display:none}
  .scroll-cue{display:none}
  .about-grid,.principles{grid-template-columns:1fr}
  .eco-layer{grid-template-columns:1fr;gap:10px}
  .eco-flow{margin-left:24px}
  .journey{grid-template-columns:1fr}
  .journey-stage{display:none}
  .j-step{min-height:0;padding:22px}
  .j-step.on{transform:none}
  .j-grid{grid-template-columns:1fr}
  .cat-grid,.lab-grid,.featured{grid-template-columns:1fr}
  .radar-list{grid-template-columns:1fr}
  .cta{padding:56px 22px}
  .cta-code{display:none}
}