/* ===== IdleGauge 官网样式 · On-device Lab ===== */
:root{
  --bg0:#070B17; --bg1:#0C1425; --bg2:#101B33; --bg3:#172554;
  --cyan:#67E8F9; --teal:#14B8A6; --indigo:#A5B4FC; --violet:#6366F1;
  --amber:#F59E0B; --amber-l:#FDE68A;
  --ink:#E8EEF9; --ink-2:#C3CFE4; --muted:#8CA0C2; --faint:#5B6C8C;
  --line:rgba(148,163,184,.14); --line-2:rgba(148,163,184,.24);
  --glass:rgba(12,20,37,.62); --glass-2:rgba(16,27,51,.5);
  --maxw:1180px; --radius:22px;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg0); color:var(--ink);
  font-family:var(--sans); -webkit-font-smoothing:antialiased;
  line-height:1.6; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,p{margin:0}
::selection{background:rgba(99,102,241,.35);color:#fff}

.skip{position:fixed;left:-999px;top:10px;z-index:200;background:var(--cyan);color:#04121a;padding:8px 14px;border-radius:10px}
.skip:focus{left:10px}

/* ===== 背景 ===== */
#stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;will-change:transform}
.orb-cyan{width:52vw;height:52vw;left:-14vw;top:-16vw;background:radial-gradient(circle at 40% 40%,rgba(103,232,249,.5),rgba(20,184,166,.15) 55%,transparent 70%);animation:drift1 26s ease-in-out infinite}
.orb-indigo{width:46vw;height:46vw;right:-12vw;top:6vh;background:radial-gradient(circle at 60% 50%,rgba(99,102,241,.45),rgba(165,180,252,.12) 55%,transparent 72%);animation:drift2 32s ease-in-out infinite}
.orb-amber{width:34vw;height:34vw;right:18vw;bottom:-14vw;background:radial-gradient(circle at 50% 50%,rgba(245,158,11,.32),transparent 66%);animation:drift3 30s ease-in-out infinite}
@keyframes drift1{50%{transform:translate(4vw,4vh) scale(1.08)}}
@keyframes drift2{50%{transform:translate(-4vw,6vh) scale(1.12)}}
@keyframes drift3{50%{transform:translate(-3vw,-4vh) scale(1.1)}}
.grid-veil{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 20%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 20%,#000 25%,transparent 78%);
}
.cursor-glow{position:fixed;width:520px;height:520px;left:0;top:0;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(103,232,249,.10),transparent 62%);
  transform:translate(-50%,-50%);opacity:0;transition:opacity .4s;mix-blend-mode:screen}
body:hover .cursor-glow{opacity:1}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;gap:20px;
  padding:16px clamp(18px,4vw,44px);transition:background .4s,border-color .4s,padding .4s;
  border-bottom:1px solid transparent}
.nav.is-stuck{background:rgba(7,11,23,.72);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-bottom-color:var(--line);padding-top:11px;padding-bottom:11px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:19px}
.brand-mark{width:30px;height:30px;filter:drop-shadow(0 4px 12px rgba(20,184,166,.4))}
.brand-cn{font-size:13px;font-weight:600;color:var(--muted);padding:2px 7px;border:1px solid var(--line-2);border-radius:8px;letter-spacing:.08em}
.nav-links{display:flex;gap:6px;margin-left:14px}
.nav-links a{font-size:14.5px;color:var(--muted);padding:8px 12px;border-radius:10px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink);background:rgba(148,163,184,.08)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;align-items:center;gap:5px;font-family:var(--mono);font-size:13px;
  background:transparent;border:1px solid var(--line-2);color:var(--muted);border-radius:10px;padding:7px 11px;cursor:pointer;transition:.2s}
.lang-switch:hover{border-color:var(--cyan);color:var(--ink)}
.lang-opt{opacity:.55;transition:.2s}
html[data-lang="zh"] .lang-opt[data-lang="zh"],
html[data-lang="en"] .lang-opt[data-lang="en"]{opacity:1;color:var(--cyan)}
.lang-sep{opacity:.3}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;border-radius:13px;
  padding:12px 20px;border:1px solid transparent;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .3s,border-color .3s,background .3s; white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#04121a;
  box-shadow:0 10px 30px -8px rgba(103,232,249,.55),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -8px rgba(103,232,249,.7),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.5) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s}
.btn-primary:hover::after{transform:translateX(120%)}
.btn-ghost{background:rgba(148,163,184,.06);border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:rgba(103,232,249,.6);color:#fff;background:rgba(103,232,249,.1);transform:translateY(-2px)}
.btn-lg{padding:15px 26px;font-size:16px}

/* ===== 布局 ===== */
main{position:relative;z-index:1}
.wrap{width:min(var(--maxw),calc(100% - 44px));margin-inline:auto}
.wrap.narrow{width:min(820px,calc(100% - 44px))}
.section{padding:clamp(72px,11vw,140px) 0;position:relative}
.kicker{font-family:var(--mono);font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:22px;height:1px;background:var(--cyan);display:inline-block}
.section-title{font-size:clamp(30px,4.6vw,54px);line-height:1.08;letter-spacing:-.03em;font-weight:700;
  margin-bottom:clamp(30px,4vw,54px);max-width:22ch;text-wrap:balance}
.section-title span{background:linear-gradient(180deg,#fff,#B9C8E4 70%,#8CA0C2);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 揭示动画 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.reveal.is-visible{opacity:1;transform:none}

/* ===== HERO ===== */
.hero{min-height:100vh;display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:clamp(24px,4vw,60px);
  width:min(1280px,calc(100% - 44px));margin-inline:auto;padding:120px 0 70px;position:relative}
.hero-copy{max-width:600px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:13px;
  color:var(--ink-2);background:rgba(103,232,249,.07);border:1px solid rgba(103,232,249,.22);
  border-radius:999px;padding:7px 14px;margin-bottom:26px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35;transform:scale(.8)}}
.hero-title{font-size:clamp(40px,6.6vw,82px);line-height:1.04;letter-spacing:-.045em;font-weight:800;margin-bottom:26px}
.hero-title .line{display:block}
.hero-title .grad{background:linear-gradient(100deg,var(--cyan) 0%,var(--indigo) 45%,var(--amber-l) 100%);
  background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 7s ease-in-out infinite}
@keyframes shimmer{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);line-height:1.65;margin-bottom:34px;max-width:52ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.trust{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;padding:0;margin:0}
.trust li{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px}
.trust li::before{content:"";width:6px;height:6px;border-radius:2px;background:linear-gradient(135deg,var(--teal),var(--cyan));box-shadow:0 0 8px rgba(103,232,249,.6)}

/* ===== 空间图面板 ===== */
.hero-visual{position:relative}
.treemap-panel{position:relative;background:linear-gradient(160deg,rgba(16,27,51,.92),rgba(9,15,29,.96));
  border:1px solid var(--line-2);border-radius:var(--radius);padding:18px;
  box-shadow:0 40px 100px -30px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(10px)}
.treemap-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.treemap-title{font-weight:650;font-size:15px;display:flex;flex-direction:column;gap:1px}
.treemap-title small{font-family:var(--mono);font-size:11.5px;color:var(--faint);font-weight:400;letter-spacing:.02em}
.seg{display:flex;background:rgba(7,11,23,.8);border:1px solid var(--line-2);border-radius:11px;padding:3px}
.seg-btn{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--muted);background:transparent;border:0;
  padding:7px 14px;border-radius:8px;cursor:pointer;transition:.25s}
.seg-btn.is-active{color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--teal));box-shadow:0 4px 14px -4px rgba(103,232,249,.6)}
.treemap-stage{position:relative;width:100%;aspect-ratio:16/11;border-radius:14px;overflow:hidden;background:rgba(7,11,23,.5)}
.tile{position:absolute;border-radius:11px;overflow:hidden;padding:10px 12px;cursor:default;
  display:flex;flex-direction:column;justify-content:flex-start;gap:2px;
  transition:left .85s var(--ease),top .85s var(--ease),width .85s var(--ease),height .85s var(--ease),
             background .7s ease,box-shadow .5s ease,opacity .5s;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);will-change:left,top,width,height}
.tile:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 0 0 2px rgba(255,255,255,.5),0 8px 26px rgba(0,0,0,.45);z-index:3}
.tile .t-name{font-size:12.5px;font-weight:700;color:rgba(6,12,22,.92);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}
.tile .t-meta{font-family:var(--mono);font-size:10.5px;color:rgba(6,12,22,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .t-conf{position:absolute;right:8px;top:9px;width:7px;height:7px;border-radius:50%;box-shadow:0 0 0 2px rgba(255,255,255,.4)}
.tile.is-tiny{padding:5px}
.tile.is-tiny .t-meta{display:none}
.tile.is-tiny .t-name{font-size:9.5px}
.treemap-foot{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.legend-dots{display:flex;align-items:center;gap:6px}
.legend-dots i{width:9px;height:9px;border-radius:3px;display:inline-block}
.d-fresh{background:linear-gradient(135deg,var(--teal),var(--cyan))}
.d-old{background:linear-gradient(135deg,var(--amber-l),var(--amber))}
.tile-tip{position:absolute;left:0;top:0;pointer-events:none;z-index:6;opacity:0;transform:translateY(6px);
  background:rgba(7,11,23,.94);border:1px solid var(--line-2);border-radius:11px;padding:9px 12px;
  font-size:12px;min-width:150px;backdrop-filter:blur(12px);transition:opacity .18s,transform .18s;
  box-shadow:0 16px 40px -10px rgba(0,0,0,.8)}
.tile-tip.show{opacity:1;transform:none}
.tile-tip b{display:block;font-size:13px;margin-bottom:3px}
.tile-tip span{display:block;font-family:var(--mono);font-size:11px;color:var(--muted)}
.tile-tip .tip-conf{margin-top:5px}

.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:24px;height:38px;
  border:1.5px solid var(--line-2);border-radius:14px;display:flex;justify-content:center;padding-top:7px}
.scroll-cue span{width:3px;height:8px;background:var(--cyan);border-radius:2px;animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(-4px)}40%{opacity:1}100%{opacity:0;transform:translateY(9px)}}

/* ===== contrast ===== */
.contrast-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.contrast-lead{font-size:clamp(16px,1.7vw,20px);color:var(--ink-2);line-height:1.75}
.stat-row{display:grid;gap:16px}
.stat{background:var(--glass-2);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:4px;
  transition:border-color .3s,transform .3s}
.stat:hover{border-color:rgba(103,232,249,.4);transform:translateY(-2px)}
.stat-num{font-family:var(--mono);font-size:clamp(26px,3vw,34px);font-weight:700;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-num small{font-size:15px;color:var(--muted);-webkit-text-fill-color:var(--muted);font-weight:500}
.stat p{font-size:13.5px;color:var(--muted)}

/* ===== bento ===== */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:linear-gradient(165deg,var(--glass-2),rgba(7,11,23,.4));border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(22px,2.4vw,30px);position:relative;overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at var(--mx,50%) var(--my,0%),rgba(103,232,249,.12),transparent 45%);opacity:0;transition:opacity .4s}
.card:hover{transform:translateY(-4px);border-color:rgba(103,232,249,.35);box-shadow:0 24px 60px -24px rgba(0,0,0,.7)}
.card:hover::before{opacity:1}
.card-lg{grid-column:span 2}
.card-icon{font-size:22px;color:var(--cyan);margin-bottom:16px;filter:drop-shadow(0 0 12px rgba(103,232,249,.5))}
.card h3{font-size:clamp(18px,2vw,22px);letter-spacing:-.02em;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.65}

/* ===== steps ===== */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{position:relative;padding:26px 22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,27,51,.55),rgba(7,11,23,.25));transition:.35s}
.step:hover{border-color:rgba(165,180,252,.4);transform:translateY(-4px)}
.step-no{font-family:var(--mono);font-size:clamp(32px,3.4vw,44px);font-weight:800;letter-spacing:-.04em;
  background:linear-gradient(135deg,var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:8px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--muted);line-height:1.6}

/* ===== safety ===== */
.safety{background:
  radial-gradient(ellipse 60% 50% at 80% 10%,rgba(99,102,241,.14),transparent 60%),
  radial-gradient(ellipse 50% 60% at 10% 90%,rgba(20,184,166,.12),transparent 60%)}
.safety-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(30px,5vw,70px);align-items:center}
.safety-lead{font-size:clamp(16px,1.7vw,19px);color:var(--ink-2);line-height:1.7;max-width:40ch}
.safety-cards{display:grid;gap:14px}
.safe-card{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:start;
  background:var(--glass-2);border:1px solid var(--line);border-radius:16px;padding:20px 22px;transition:.3s}
.safe-card:hover{border-color:rgba(103,232,249,.35);transform:translateX(4px)}
.safe-ico{grid-row:span 2;font-size:22px;line-height:1.4}
.safe-card h3{font-size:17px;margin:0}
.safe-card p{grid-column:2;font-size:14px;color:var(--muted);line-height:1.6}

/* ===== screens ===== */
.screen-frame{position:relative;transition:transform .6s var(--ease);transform-style:preserve-3d;will-change:transform}
.screen-frame img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:contain}
.screen-caption{margin-top:16px;text-align:center;color:var(--muted);font-size:14px;font-family:var(--mono)}
.screen-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.shot{border:0;border-radius:0;overflow:visible;background:transparent}
.shot img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:contain}
.shot figcaption{padding:12px 2px 0;font-size:13.5px;color:var(--muted)}

/* ===== pricing ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-grid.is-two{grid-template-columns:repeat(2,minmax(0,1fr));max-width:880px;margin-inline:auto}
.price-card{background:linear-gradient(170deg,var(--glass-2),rgba(7,11,23,.35));border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(26px,3vw,36px);position:relative;transition:.35s;
  display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-4px);border-color:rgba(103,232,249,.35)}
.price-pro{border-color:rgba(99,102,241,.45);background:linear-gradient(170deg,rgba(30,27,75,.5),rgba(7,11,23,.4))}
.price-badge{position:absolute;top:-12px;left:28px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  background:linear-gradient(135deg,var(--violet),var(--cyan));color:#04121a;padding:4px 11px;border-radius:999px;font-weight:700}
.price-tag{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}
.price-name{font-size:18px;font-weight:700;letter-spacing:-.01em}
.price-num{font-family:var(--mono);font-size:clamp(34px,4vw,46px);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent}
.price-desc{font-size:14.5px;color:var(--muted);margin-bottom:22px;line-height:1.6}
.price-list{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:11px;flex:1}
.price-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-2)}
.price-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--cyan);font-weight:800}
.price-note{margin-top:22px;color:var(--faint);font-size:13px}

/* ===== faq ===== */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--glass-2);overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:rgba(103,232,249,.35)}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 24px;font-size:16.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:16px;letter-spacing:-.01em}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--mono);font-size:22px;color:var(--cyan);transition:transform .3s;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 24px 20px;color:var(--muted);font-size:14.5px;line-height:1.7;max-width:70ch}

/* ===== get-started ===== */
.get-started{padding-bottom:clamp(80px,10vw,140px)}
.cta-panel{position:relative;text-align:center;padding:clamp(48px,7vw,90px) clamp(24px,4vw,60px);
  border-radius:34px;border:1px solid var(--line-2);overflow:hidden;
  background:linear-gradient(160deg,rgba(20,30,58,.85),rgba(8,13,27,.9))}
.cta-glow{position:absolute;inset:-40% 20% auto;height:80%;z-index:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(103,232,249,.28),rgba(99,102,241,.18) 40%,transparent 70%);filter:blur(40px)}
.cta-panel>*{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(30px,5vw,58px);line-height:1.06;letter-spacing:-.04em;margin-bottom:18px;font-weight:800;
  background:linear-gradient(180deg,#fff,#A9BCE0);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-panel p{color:var(--ink-2);font-size:clamp(15px,1.6vw,18px);max-width:52ch;margin:0 auto 30px}
.cta-panel .hero-cta{justify-content:center;margin-bottom:18px}
.cta-note{color:var(--faint);font-size:13px;margin:0}

/* ===== footer ===== */
.foot{border-top:1px solid var(--line);position:relative;z-index:1;padding:44px 0 60px;background:rgba(7,11,23,.6)}
.foot-inner{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand img{width:26px}
.foot-brand div{display:flex;flex-direction:column;line-height:1.4}
.foot-brand strong{font-size:15px}
.foot-brand span{font-size:12.5px;color:var(--muted)}
.foot-links{display:flex;gap:20px;margin-left:auto}
.foot-links a{font-size:14px;color:var(--muted);transition:color .2s}
.foot-links a:hover{color:var(--cyan)}
.foot-meta{width:100%;border-top:1px solid var(--line);padding-top:22px;color:var(--faint);font-size:12.5px;font-family:var(--mono);margin-top:8px}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;padding-top:110px;gap:44px}
  .hero-copy{max-width:none}
  .treemap-panel{max-width:560px;margin-inline:auto}
  .contrast-grid{grid-template-columns:1fr;gap:30px}
  .bento{grid-template-columns:1fr 1fr}
  .card-lg{grid-column:span 2}
  .steps{grid-template-columns:1fr 1fr}
  .safety-grid{grid-template-columns:1fr;gap:34px}
  .nav-links{display:none}
}
@media(max-width:640px){
  .hero-title{font-size:clamp(34px,9vw,52px)}
  .bento{grid-template-columns:1fr}
  .card-lg{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .screen-duo{grid-template-columns:1fr}
  .nav{padding:12px 16px;gap:10px}
  .brand-cn{display:none}
  .nav-cta{display:none}
  .section{padding:64px 0}
  .foot-links{margin-left:0}
  .wrap{width:calc(100% - 32px)}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ===== 多页：子页通用 ===== */
.page-hero{padding:150px 0 26px;position:relative}
.page-title{font-size:clamp(34px,5.2vw,62px);line-height:1.05;letter-spacing:-.04em;font-weight:800;margin-bottom:18px;max-width:24ch;text-wrap:balance}
.page-title span{background:linear-gradient(180deg,#fff,#B9C8E4 70%,#8CA0C2);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-sub{font-size:clamp(16px,1.7vw,20px);color:var(--ink-2);line-height:1.7;max-width:62ch}
.page-hero .hero-cta{margin-top:26px}
.crumbs{font-family:var(--mono);font-size:12.5px;color:var(--faint);margin-bottom:20px;display:flex;gap:8px;align-items:center}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{opacity:.5}

/* 正文长文 */
.prose{max-width:780px}
.prose h2{font-size:clamp(22px,3vw,28px);letter-spacing:-.02em;margin:40px 0 14px}
.prose h3{font-size:18px;margin:26px 0 10px;color:var(--ink)}
.prose p{color:var(--ink-2);margin:0 0 14px;line-height:1.78}
.prose ul,.prose ol{color:var(--ink-2);padding-left:22px;margin:0 0 16px;line-height:1.78}
.prose li{margin-bottom:7px}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose code{font-family:var(--mono);font-size:13px;background:rgba(148,163,184,.12);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--cyan)}
.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* 提示/占位 */
.ph-note{display:inline-block;font-family:var(--mono);font-size:12px;color:var(--amber);background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.32);border-radius:6px;padding:1px 7px;vertical-align:middle;white-space:nowrap}
.badge{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:3px 9px;border-radius:999px;border:1px solid var(--line-2);color:var(--muted)}
.badge-cyan{color:var(--cyan);border-color:rgba(103,232,249,.4);background:rgba(103,232,249,.08)}
.badge-amber{color:var(--amber);border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.1)}
.muted{color:var(--muted)}

/* 信息栅格 */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.info-grid .card h3{font-size:17px}
.kv{display:grid;grid-template-columns:180px 1fr;gap:10px 20px;margin:6px 0 20px}
.kv dt{font-family:var(--mono);font-size:13px;color:var(--muted)}
.kv dd{margin:0;color:var(--ink-2)}

/* 下载页面板 */
.dl-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,48px);align-items:start}
.dl-card{background:linear-gradient(165deg,var(--glass-2),rgba(7,11,23,.4));border:1px solid var(--line-2);border-radius:var(--radius);padding:clamp(26px,3vw,38px)}
.dl-card .price-tag{margin-bottom:6px}
.dl-status{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.dl-status .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px var(--amber)}
.dl-list{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:10px}
.dl-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-2)}
.dl-list li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--teal),var(--cyan))}
.req-list{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:10px}
.req-list li{display:grid;grid-template-columns:120px 1fr;gap:14px;font-size:14px;border-top:1px solid var(--line);padding-top:10px;color:var(--ink-2)}
.req-list li b{color:var(--muted);font-weight:600;font-family:var(--mono);font-size:12.5px}

/* 文档页 */
.doc-grid{display:grid;grid-template-columns:220px 1fr;gap:clamp(28px,4vw,52px);align-items:start;margin-top:10px}
.doc-toc{position:sticky;top:96px;border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--glass-2)}
.doc-toc h4{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 12px}
.doc-toc a{display:block;font-size:14px;color:var(--muted);padding:7px 0;border-bottom:1px solid var(--line)}
.doc-toc a:last-child{border-bottom:0}
.doc-toc a:hover{color:var(--cyan)}
.doc-grid .prose{max-width:none}

/* 更新日志 */
.log-item{display:grid;grid-template-columns:150px 1fr;gap:clamp(18px,3vw,40px);padding:26px 0;border-top:1px solid var(--line)}
.log-item:first-of-type{border-top:0}
.log-side{}
.log-ver{font-family:var(--mono);font-size:22px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,var(--cyan),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent}
.log-date{font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:4px}
.log-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.log-body h3{font-size:16px;margin:0 0 12px}
.log-body ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.log-body li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2);line-height:1.6}
.log-body li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(103,232,249,.6)}
.roadmap-card{border-style:dashed;border-color:var(--line-2)}
.roadmap-card .status{font-family:var(--mono);font-size:11px;color:var(--amber);letter-spacing:.06em}

/* 定价补充 */
.price-cur{font-family:var(--mono);font-size:13px;color:var(--muted);margin-left:6px}
.price-sub{font-family:var(--mono);font-size:12.5px;color:var(--faint);margin-top:4px}

@media(max-width:980px){
  .info-grid{grid-template-columns:1fr}
  .dl-panel{grid-template-columns:1fr}
  .doc-grid{grid-template-columns:1fr}
  .doc-toc{position:static;order:-1}
  .log-item{grid-template-columns:1fr;gap:12px}
  .kv{grid-template-columns:1fr}
  .kv dt{margin-top:8px}
  .page-hero{padding-top:120px}
}

/* ===== SITE-FIX1：定价第三列 + 截图按比例 ===== */
.price-aside{border-style:dashed;border-color:var(--line-2);background:linear-gradient(170deg,rgba(20,30,58,.42),rgba(7,11,23,.34))}
.price-aside .price-name{display:flex;align-items:center;gap:9px}
.price-aside .aside-ico{color:var(--cyan);font-size:18px;filter:drop-shadow(0 0 10px rgba(103,232,249,.5))}
.price-aside .price-list li::before{content:"◦";color:var(--cyan);font-weight:800}
@media(max-width:980px){
  .price-grid,.price-grid.is-two{grid-template-columns:1fr}
}