/* GlowSun Lab — tech site, no external assets */
:root{
  --bg:#070a12; --bg2:#0b1020; --fg:#e7ecf6; --mut:#8b96ad;
  --line:rgba(140,160,200,.16); --card:rgba(18,24,40,.62); --card2:rgba(24,31,50,.78);
  --cyan:#5eead4; --violet:#8b5cf6; --blue:#38bdf8; --pink:#f472b6;
  --grad:linear-gradient(120deg,var(--cyan),var(--blue) 45%,var(--violet));
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --r:16px; --max:1120px;
}
html[data-theme="light"]{
  --bg:#f4f7fc; --bg2:#e9eefb; --fg:#111826; --mut:#5a6478;
  --line:rgba(20,30,60,.12); --card:rgba(255,255,255,.78); --card2:rgba(255,255,255,.92);
  --shadow:0 18px 50px rgba(20,30,60,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}

/* backdrop */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;opacity:.85;pointer-events:none}
.grid-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
}
.glow{
  position:fixed;width:520px;height:520px;border-radius:50%;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(94,234,212,.14),transparent 62%);
  transform:translate(-50%,-50%);left:50%;top:30%;transition:opacity .3s;
  filter:blur(10px);
}
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;background:var(--grad)}

/* nav */
.nav{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:18px;
  padding:12px max(16px,calc((100vw - var(--max))/2));
  backdrop-filter:blur(14px);background:linear-gradient(to bottom,rgba(7,10,18,.82),rgba(7,10,18,.35));
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
html[data-theme="light"] .nav{background:linear-gradient(to bottom,rgba(244,247,252,.9),rgba(244,247,252,.5))}
.nav.scrolled{border-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.4px}
.brand-text .dot{color:var(--cyan)}
.links{display:flex;gap:22px;margin-left:auto;font-size:14.5px;color:var(--mut)}
.links a{position:relative;padding:6px 0;transition:color .2s}
.links a:hover,.links a.active{color:var(--fg)}
.links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--grad);transition:right .25s}
.links a:hover::after,.links a.active::after{right:0}
.tools{display:flex;gap:8px}
.icon-btn{
  background:var(--card);border:1px solid var(--line);color:var(--fg);
  border-radius:10px;padding:7px 10px;font-size:13px;cursor:pointer;transition:.2s;
}
.icon-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.burger{display:none}

/* hero */
.hero{
  position:relative;z-index:1;max-width:var(--max);margin:0 auto;
  padding:clamp(48px,8vw,110px) 20px 40px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--mut);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:var(--card);
}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(94,234,212,.7);animation:p 2.2s infinite}
@keyframes p{0%{box-shadow:0 0 0 0 rgba(94,234,212,.55)}70%{box-shadow:0 0 0 12px rgba(94,234,212,0)}100%{box-shadow:0 0 0 0 rgba(94,234,212,0)}}
h1{font-size:clamp(30px,5vw,54px);line-height:1.15;margin:18px 0 8px;letter-spacing:-.5px}
.grad{display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.typed-line{font-family:ui-monospace,Consolas,monospace;color:var(--cyan);font-size:15px;margin:0 0 14px;min-height:24px}
.prompt{color:var(--violet)}
.caret{display:inline-block;width:8px;height:1.05em;vertical-align:-2px;background:var(--cyan);margin-left:2px;animation:b 1s steps(2) infinite}
@keyframes b{50%{opacity:0}}
.lede{color:var(--mut);max-width:56ch;margin:0 0 24px}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);font-size:14.5px;cursor:pointer;color:var(--fg);
  transition:transform .18s,border-color .2s,box-shadow .2s;
}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 10px 30px rgba(56,189,248,.18)}
.btn.primary{background:var(--grad);color:#04121a;border:0;font-weight:700}
.btn.ghost{background:transparent}
.kpis{display:flex;gap:26px;margin-top:36px;flex-wrap:wrap}
.kpi b{display:block;font-size:26px;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi span{font-size:12.5px;color:var(--mut)}

.hero-visual{position:relative;height:340px;display:grid;place-items:center}
.orb{
  width:210px;height:210px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,rgba(94,234,212,.95),rgba(56,189,248,.55) 38%,rgba(139,92,246,.42) 62%,transparent 72%);
  filter:blur(2px);animation:float 7s ease-in-out infinite;
}
@keyframes float{50%{transform:translateY(-14px) scale(1.03)}}
.rings{position:absolute;inset:0;display:grid;place-items:center}
.rings i{position:absolute;border:1px solid var(--line);border-radius:50%}
.rings i:nth-child(1){width:250px;height:250px;animation:spin 22s linear infinite;border-style:dashed}
.rings i:nth-child(2){width:300px;height:300px;animation:spin 34s linear infinite reverse}
.rings i:nth-child(3){width:340px;height:340px;border-color:rgba(139,92,246,.18)}
@keyframes spin{to{transform:rotate(360deg)}}
.chips{position:absolute;bottom:6px;display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chips span{font-size:11.5px;color:var(--mut);border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--card)}

/* sections */
.section{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:clamp(48px,7vw,90px) 20px}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:26px}
.idx{font-family:ui-monospace,monospace;color:var(--cyan);font-size:13px;opacity:.8}
h2{font-size:clamp(21px,2.6vw,30px);margin:0;letter-spacing:-.2px}
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
p{color:var(--mut)}
.facts{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.facts li{display:flex;gap:12px;align-items:baseline;font-size:14.5px}
.facts span{color:var(--mut);min-width:44px}
.facts em{font-style:normal;color:var(--fg)}

.panel{border:1px solid var(--line);border-radius:var(--r);background:var(--card2);box-shadow:var(--shadow);overflow:hidden}
.panel-head{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.panel-head code{margin-left:8px;font-size:12px;color:var(--mut)}
.dot{width:10px;height:10px;border-radius:50%}
.dot.red{background:#ff5f6d}.dot.amber{background:#ffb020}.dot.green{background:#3ddc97}
.term{margin:0;padding:16px;font:13.5px/1.85 ui-monospace,Consolas,monospace;color:#cfe0ff;overflow-x:auto}
.c-key{color:var(--cyan)}.c-mut{color:#5b6479}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{
  border:1px solid var(--line);border-radius:var(--r);padding:20px;background:var(--card);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(94,234,212,.45);box-shadow:0 18px 44px rgba(0,0,0,.35)}
.card .ic{font-size:20px;color:var(--cyan);margin-bottom:8px}
.card h3{margin:0 0 6px;font-size:16.5px}
.card p{margin:0 0 12px;font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:11.5px;color:var(--mut);border:1px solid var(--line);border-radius:999px;padding:3px 9px}

/* work */
.work{
  display:grid;grid-template-columns:1fr 200px;gap:20px;
  border:1px solid var(--line);border-radius:20px;padding:22px;background:var(--card2);
  box-shadow:var(--shadow);margin-bottom:16px;
}
.work-top{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.work-top h3{margin:0;font-size:20px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;border-radius:999px;padding:3px 10px;border:1px solid rgba(61,220,151,.4);color:#3ddc97;background:rgba(61,220,151,.08)}
.more{margin-top:12px;background:none;border:0;color:var(--cyan);font-size:13.5px;cursor:pointer;padding:0}
.more:hover{text-decoration:underline}
.detail{max-height:0;overflow:hidden;transition:max-height .35s ease}
.detail.open{max-height:340px}
.detail ul{margin:12px 0 0;padding-left:18px;color:var(--mut);font-size:14px}
.detail li{margin:6px 0}
.work-side{display:grid;gap:10px;align-content:start}
.metric{border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-align:center;background:var(--card)}
.metric b{display:block;font-size:19px;color:var(--cyan)}
.metric span{font-size:11.5px;color:var(--mut)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}

/* stack */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:26px;width:max-content;animation:slide 28s linear infinite}
.marquee-track span{font-size:14px;color:var(--mut);white-space:nowrap}
@keyframes slide{to{transform:translateX(-50%)}}
.bars{display:grid;gap:14px;margin-top:26px;max-width:620px}
.bar{position:relative;display:grid;gap:6px}
.bar span{font-size:13.5px;color:var(--mut)}
.bar i{display:block;height:6px;border-radius:99px;background:rgba(255,255,255,.07);position:relative;overflow:hidden}
.bar i::after{content:"";position:absolute;inset:0;width:var(--v);background:var(--grad);border-radius:99px;transform-origin:left;animation:grow 1.1s cubic-bezier(.2,.8,.2,1) both}
@keyframes grow{from{transform:scaleX(0)}}

/* connect */
.connect-wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:20px;padding:24px;background:var(--card)}
.connect-actions{display:flex;gap:10px;flex-wrap:wrap}
.mut{color:var(--mut)}
.note{margin-top:16px;font-size:13px;color:var(--mut);border-left:2px solid var(--cyan);padding:10px 14px;background:rgba(94,234,212,.05);border-radius:0 10px 10px 0}
.note strong{color:var(--fg);display:block;margin-bottom:4px}
.foot{max-width:var(--max);margin:0 auto;padding:34px 20px 60px;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--mut);border-top:1px solid var(--line)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}

/* top button */
.top-btn{
  position:fixed;right:18px;bottom:18px;z-index:40;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:var(--card2);color:var(--fg);cursor:pointer;
  opacity:0;pointer-events:none;transition:.25s;backdrop-filter:blur(8px);
}
.top-btn.show{opacity:1;pointer-events:auto}
.top-btn:hover{border-color:var(--cyan);color:var(--cyan)}

/* command palette */
.cmdk{position:fixed;inset:0;z-index:70;background:rgba(4,7,14,.62);backdrop-filter:blur(6px);display:none;align-items:flex-start;justify-content:center;padding-top:14vh}
.cmdk.open{display:flex}
.cmdk-box{width:min(560px,92vw);border:1px solid var(--line);border-radius:16px;background:var(--card2);box-shadow:var(--shadow);overflow:hidden}
#cmdk-input{width:100%;border:0;padding:16px 18px;font-size:15px;background:transparent;color:var(--fg);outline:none;border-bottom:1px solid var(--line)}
#cmdk-list{list-style:none;margin:0;padding:6px;max-height:46vh;overflow:auto}
#cmdk-list li{padding:11px 14px;border-radius:10px;font-size:14px;display:flex;gap:10px;align-items:center;cursor:pointer;color:var(--mut)}
#cmdk-list li.sel,#cmdk-list li:hover{background:rgba(94,234,212,.1);color:var(--fg)}
#cmdk-list li b{color:var(--cyan);font-weight:600}
.cmdk-hint{padding:9px 14px;border-top:1px solid var(--line);font-size:11.5px;color:var(--mut)}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:36px}
  .hero-visual{height:250px;order:-1}
  .orb{width:150px;height:150px}
  .rings i:nth-child(1){width:180px;height:180px}
  .rings i:nth-child(2){width:220px;height:220px}
  .rings i:nth-child(3){width:250px;height:250px}
  .two-col{grid-template-columns:1fr}
  .work{grid-template-columns:1fr}
  .work-side{grid-template-columns:repeat(3,1fr);display:grid}
  .links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:8px 20px}
  .links.open{display:flex}
  .links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:inline-block}
  .foot{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ===== 视觉升级 & AI 对话框 ===== */
:root{--ring:0 0 0 3px rgba(94,234,212,.18)}
.foot-right{display:flex;align-items:center;gap:12px}
.edit-dot{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:9px;color:var(--mut);
  border:1px solid var(--line);opacity:.55;transition:.2s
}
.edit-dot:hover{opacity:1;color:var(--cyan);border-color:rgba(94,234,212,.5);transform:translateY(-1px);box-shadow:0 6px 18px rgba(94,234,212,.12)}

/* 卡片更立体 */
.card,.work,.note-card,.metric{border-radius:18px}
.card:hover,.note-card:hover{box-shadow:0 20px 50px rgba(0,0,0,.35),0 0 0 1px rgba(94,234,212,.22) inset}
.work:hover{border-color:rgba(94,234,212,.35);box-shadow:0 24px 60px rgba(0,0,0,.38)}
.btn{transition:transform .18s,box-shadow .18s,filter .18s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{box-shadow:0 10px 30px rgba(94,234,212,.18)}
.btn.primary:hover{box-shadow:0 14px 38px rgba(94,234,212,.3)}
.section h2{letter-spacing:-.01em}
.sec-head .idx{opacity:.7}

/* 滚动条 */
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:20px;border:2px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:rgba(94,234,212,.4);background-clip:content-box}

/* AI 气泡 */
.ai-wrap{position:fixed;right:20px;bottom:22px;z-index:60;font-family:inherit}
.ai-fab{
  width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(135deg,#5eead4,#8b5cf6);color:#04120f;cursor:pointer;
  display:grid;place-items:center;box-shadow:0 16px 40px rgba(94,234,212,.28),0 4px 14px rgba(0,0,0,.4);
  transition:transform .2s,box-shadow .2s
}
.ai-box[hidden]{display:none !important}
.ai-fab:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 22px 50px rgba(94,234,212,.4)}
.ai-box{
  position:absolute;right:0;bottom:68px;width:min(360px,88vw);height:min(520px,72vh);
  display:flex;flex-direction:column;border-radius:18px;overflow:hidden;
  background:rgba(14,17,25,.94);border:1px solid rgba(255,255,255,.1);
  box-shadow:0 30px 80px rgba(0,0,0,.6);backdrop-filter:blur(16px);
  animation:aiIn .22s ease
}
@keyframes aiIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.ai-head{display:flex;align-items:center;gap:8px;padding:13px 15px;border-bottom:1px solid rgba(255,255,255,.08)}
.ai-head b{font-size:14px}
.ai-tag{font-size:10.5px;padding:2px 7px;border-radius:999px;color:#5eead4;border:1px solid rgba(94,234,212,.35)}
.ai-x{margin-left:auto;background:none;border:0;color:#8b96ad;font-size:20px;line-height:1;cursor:pointer}
.ai-x:hover{color:#fff}
.ai-msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:9px}
.ai-m{max-width:86%;padding:9px 13px;border-radius:13px;font-size:13.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word}
.ai-sys,.ai-bot{background:rgba(255,255,255,.055);color:#dfe5f2;border:1px solid rgba(255,255,255,.06);align-self:flex-start}
.ai-me{background:linear-gradient(120deg,rgba(94,234,212,.9),rgba(139,92,246,.85));color:#04120f;align-self:flex-end;font-weight:500}
.ai-err{background:rgba(255,107,107,.12);color:#ff9d9d}
.ai-form{display:flex;gap:8px;padding:11px;border-top:1px solid rgba(255,255,255,.08)}
.ai-form input{flex:1;padding:10px 13px;border-radius:11px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:#e9edf7;font-size:13.5px;outline:none}
.ai-form input:focus{border-color:rgba(94,234,212,.55);box-shadow:var(--ring)}
.ai-form button{width:40px;border:0;border-radius:11px;cursor:pointer;font-size:16px;color:#04120f;background:linear-gradient(135deg,#5eead4,#8b5cf6)}
@media(max-width:600px){.ai-wrap{right:14px;bottom:16px}.ai-box{width:min(340px,92vw)}}

/* ================= v3：布局修复 + 响应式 + 动态感 ================= */
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{overflow-x:hidden}
img,svg,canvas{max-width:100%}
main{overflow-x:clip}

/* 作品区：统一容器，卡片不再跑出边界 */
.work-list{display:flex;flex-direction:column;gap:16px}
#work .work{margin:0}

/* 标题渐变呼吸 */
.grad{background-size:200% 100%;animation:gradShift 9s ease-in-out infinite}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* 序号小动画 */
.sec-head .idx{transition:color .3s,transform .3s}
.section:hover .sec-head .idx{color:var(--cyan);transform:translateX(2px)}

/* 卡片入场错峰 */
.reveal{transition:opacity .6s ease,transform .6s cubic-bezier(.22,.61,.36,1)}
.cards .reveal:nth-child(2),.work-list .reveal:nth-child(2){transition-delay:.07s}
.cards .reveal:nth-child(3),.work-list .reveal:nth-child(3){transition-delay:.14s}
.cards .reveal:nth-child(4),.work-list .reveal:nth-child(4){transition-delay:.21s}
.cards .reveal:nth-child(5){transition-delay:.28s}

/* 卡片悬浮：光斑扫过 */
.card,.work,.note-card,.metric{position:relative;overflow:hidden}
.card::after,.work::after,.note-card::after{
  content:"";position:absolute;inset:-40% -60% auto auto;width:60%;height:160%;
  background:linear-gradient(115deg,transparent 30%,rgba(94,234,212,.10) 50%,transparent 70%);
  transform:translateX(120%) rotate(8deg);pointer-events:none;transition:transform .8s ease;
}
.card:hover::after,.work:hover::after,.note-card:hover::after{transform:translateX(-150%) rotate(8deg)}
.metric b{transition:transform .25s,color .25s}
.work:hover .metric b{transform:translateY(-2px);color:var(--cyan)}
.card:hover .ic{transform:translateY(-2px) rotate(-4deg)}
.card .ic{transition:transform .3s}

/* 图片/按钮微交互 */
.btn:active{transform:translateY(0) scale(.985)}
.more{transition:color .2s,gap .2s}
.more:hover{letter-spacing:.3px}

/* 荧光分隔线 */
.section{position:relative}
.section+.section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(94,234,212,.22),rgba(139,92,246,.18),transparent);
  opacity:.7
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero{grid-template-columns:1fr;gap:24px}
  .hero-visual{order:-1;min-height:200px;opacity:.75}
  .work{grid-template-columns:1fr 170px;gap:16px}
}
@media (max-width:880px){
  .work{grid-template-columns:1fr}
  .work-side{grid-template-columns:repeat(3,1fr);display:grid;gap:8px}
  .metric{padding:10px 12px}
  .two-col{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
  .notes-grid{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr);gap:12px}
  .bars{gap:14px}
  .links{position:fixed;inset:64px 14px auto 14px;flex-direction:column;gap:4px;
    padding:12px;border-radius:16px;background:rgba(12,15,22,.96);border:1px solid var(--line);
    box-shadow:0 24px 60px rgba(0,0,0,.55);backdrop-filter:blur(14px);
    transform:translateY(-8px) scale(.98);opacity:0;pointer-events:none;transition:.2s}
  .links.open{transform:none;opacity:1;pointer-events:auto}
  .links a{padding:11px 12px;border-radius:10px;font-size:15px}
  .links a:hover{background:rgba(255,255,255,.05)}
  .burger{display:inline-flex}
  .cta{flex-wrap:wrap}
  .foot{flex-direction:column;gap:8px;text-align:center}
  .foot-right{justify-content:center}
}
@media (max-width:560px){
  .hero h1{font-size:clamp(28px,8.5vw,38px)}
  .hero p.lede{font-size:14.5px}
  .cta .btn{flex:1 1 46%;text-align:center}
  .kpis{grid-template-columns:1fr 1fr;gap:10px}
  .kpi b{font-size:22px}
  .section{padding:44px 0}
  .work-top h3{font-size:17px}
  .tags span{font-size:11px;padding:3px 8px}
  .metric b{font-size:18px}
  .metric span{font-size:10.5px}
  .note-card{padding:14px}
  .marquee-track span{font-size:13px}
  .preview,.pane{min-height:40vh}
}

/* 降低动效偏好 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .card::after,.work::after,.note-card::after{display:none}
}

/* 导航当前区块高亮 */
.links a.on{color:var(--cyan)}
.links a.on::after{transform:scaleX(1)}