/* ============================================================
   superfile · 全面进化 UI
   —— 深色终端美学 · 玻璃质感 · 聚焦绿
   ============================================================ */
:root{
  --bg:        #0a0d12;
  --bg-2:      #0c1017;
  --panel:     #0f1520;
  --panel-2:   #141c29;
  --panel-3:   #182234;
  --border:    #1a2331;
  --border-hi: #263449;
  --text:      #e7eef4;
  --muted:     #94a3b4;
  --dim:       #5b6a7b;
  --green:     #3ddc84;
  --green-2:   #8df2bd;
  --green-dim: rgba(61,220,132,.12);
  --green-rd:  rgba(61,220,132,.5);
  --cyan:      #5fd4e0;
  --amber:     #e9c46a;
  --red:       #e06c75;
  --pink:      #e77aa6;
  --violet:    #9f86ff;
  --mono: 'JetBrains Mono','Cascadia Code',Consolas,'Courier New',monospace;
  --sans: 'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif;
  --ease: cubic-bezier(.16,1,.3,1);
  --ease-io: cubic-bezier(.7,0,.2,1);
  --nav-h: 64px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 18px;
  --shadow-1: 0 24px 48px -20px rgba(0,0,0,.65);
  --shadow-2: 0 50px 100px -30px rgba(0,0,0,.8);
  --glow-green: 0 0 0 1px rgba(61,220,132,.28), 0 18px 50px -18px rgba(61,220,132,.45);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden}
::selection{background:rgba(61,220,132,.3);color:#04120a}
::-moz-selection{background:rgba(61,220,132,.3);color:#04120a}
html{scrollbar-color:var(--border-hi) var(--bg);scrollbar-width:thin}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border-hi);border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--green-rd)}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease)}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
button{font:inherit;color:inherit}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}
:focus:not(:focus-visible){outline:none}
section{scroll-margin-top:calc(var(--nav-h) + var(--safe-top) + 20px)}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}

/* Skip Link */
.skip-link{
  position:absolute;left:-10000px;top:12px;background:var(--green);color:#04120a;
  padding:10px 16px;border-radius:8px;font-family:var(--mono);font-weight:700;z-index:400;
}
.skip-link:focus{left:12px}

/* Live region for a11y announcements */
.sr-only{
  position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- 滚动进度条 ---------- */
.progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:300;
  transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--green),var(--cyan));
  box-shadow:0 0 12px rgba(61,220,132,.6);
  will-change:transform;
}

/* ---------- 背景：极光 + 网格 + 噪点 ---------- */
.bg-fx{
  position:fixed;inset:0;z-index:-3;pointer-events:none;overflow:hidden;
  background:var(--bg);
}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.orb-1{width:720px;height:720px;top:-220px;right:-160px;background:radial-gradient(circle,rgba(61,220,132,.16),transparent 65%);animation:drift 26s ease-in-out infinite alternate}
.orb-2{width:620px;height:620px;top:8%;left:-220px;background:radial-gradient(circle,rgba(95,212,224,.11),transparent 65%);animation:drift 32s ease-in-out infinite alternate-reverse}
.orb-3{width:520px;height:520px;bottom:-180px;right:24%;background:radial-gradient(circle,rgba(159,134,255,.09),transparent 65%);animation:drift 38s ease-in-out infinite alternate}
@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(60px,-40px,0) scale(1.15)}
}
.bg-grid{
  position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.6;
  background-image:
    linear-gradient(rgba(120,150,180,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,150,180,.05) 1px, transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 95% 75% at 50% -5%, #000 25%, transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 95% 75% at 50% -5%, #000 25%, transparent 85%);
}
.grain{
  position:fixed;inset:0;z-index:150;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/></svg>");
}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:calc(var(--nav-h) + var(--safe-top));
  padding-top:var(--safe-top);
  background:rgba(10,13,18,.72);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);
  border-bottom:1px solid rgba(26,35,49,.8);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.nav.scrolled{
  background:rgba(10,13,18,.92);
  box-shadow:0 12px 30px -18px rgba(0,0,0,.7);
  border-bottom-color:var(--border);
}
.nav-inner{
  max-width:1200px;margin:0 auto;height:100%;padding:0 24px;
  display:flex;align-items:center;gap:26px;
}
.logo{
  font-family:var(--mono);font-weight:700;font-size:16.5px;color:var(--text);
  display:flex;align-items:center;gap:9px;white-space:nowrap;
  transition:transform .3s var(--ease);
}
.logo:hover{text-decoration:none;transform:translateY(-1px)}
.logo:active{transform:scale(.97)}
.logo-img{height:26px;width:auto;display:block;filter:drop-shadow(0 0 10px rgba(61,220,132,.35))}
.logo .prompt{color:var(--green)}
.logo .cursor{
  display:inline-block;width:8px;height:16px;background:var(--green);
  animation:blink 1.1s steps(2) infinite;vertical-align:-2px;
}
@keyframes blink{50%{opacity:0}}
.nav-links{display:flex;gap:2px;margin-left:auto;list-style:none}
.nav-links a{
  font-family:var(--mono);font-size:13px;color:var(--muted);
  padding:8px 12px;border-radius:9px;transition:.22s var(--ease);white-space:nowrap;position:relative;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);text-decoration:none}
.nav-links a.active{color:var(--green);background:var(--green-dim)}
.nav-links a.active::after{
  content:'';position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--green);box-shadow:0 0 8px rgba(61,220,132,.7);
  animation:slideIn .35s var(--ease);
}
@keyframes slideIn{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.nav-gh{
  font-family:var(--mono);font-size:13px;color:var(--text);
  border:1px solid var(--border-hi);border-radius:9px;padding:7px 14px;
  display:inline-flex;align-items:center;gap:8px;transition:.22s var(--ease);white-space:nowrap;
  background:rgba(255,255,255,.015);
}
.nav-gh:hover{border-color:var(--green);color:var(--green);text-decoration:none;transform:translateY(-1px);box-shadow:var(--glow-green)}
.nav-gh:active{transform:translateY(0) scale(.97)}
.nav-gh svg{width:16px;height:16px;fill:currentColor}
.burger{
  display:none;margin-left:auto;background:rgba(255,255,255,.03);border:1px solid var(--border-hi);
  border-radius:9px;width:40px;height:36px;cursor:pointer;position:relative;transition:border-color .2s;
}
.burger:hover{border-color:var(--green)}
.burger span{
  position:absolute;left:10px;right:10px;height:2px;background:var(--text);
  transition:.28s var(--ease);border-radius:1px;
}
.burger span:nth-child(1){top:12px}.burger span:nth-child(2){top:17px}.burger span:nth-child(3){top:22px}
.burger.open{border-color:var(--green)}
.burger.open span{background:var(--green)}
.burger.open span:nth-child(1){top:17px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0;transform:translateX(-10px)}
.burger.open span:nth-child(3){top:17px;transform:rotate(-45deg)}

/* ---------- 布局通用 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.sec-head{margin-bottom:48px;max-width:760px}
.sec-tag{
  font-family:var(--mono);font-size:13px;color:var(--green);letter-spacing:.16em;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
  border:1px solid rgba(61,220,132,.25);background:var(--green-dim);
  padding:6px 14px;border-radius:999px;
}
.sec-tag::before{content:'';width:18px;height:1px;background:var(--green);opacity:.7}
.sec-title{
  font-size:clamp(28px,3.8vw,42px);font-weight:900;letter-spacing:-.02em;line-height:1.22;
  position:relative;
}
.sec-title .hl{
  color:var(--green);
  background:linear-gradient(90deg,var(--green),var(--green-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.sec-desc{color:var(--muted);margin-top:14px;font-size:16px;max-width:60ch}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.left{transform:translateX(-34px)}
.reveal.right{transform:translateX(34px)}
.reveal.scale{transform:scale(.94)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html,body{scroll-behavior:auto !important}
}

/* ---------- Hero ---------- */
.hero{padding:calc(var(--nav-h) + var(--safe-top) + 64px) 0 0;position:relative}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:60px;align-items:center;
}
.hero-kicker{
  font-family:var(--mono);font-size:12.5px;color:var(--cyan);
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--border-hi);border-radius:999px;padding:7px 15px;
  background:rgba(95,212,224,.06);margin-bottom:28px;letter-spacing:.04em;
  transition:.22s var(--ease);
}
.hero-kicker:hover{border-color:rgba(95,212,224,.4);background:rgba(95,212,224,.08)}
.hero-kicker .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(61,220,132,.5);animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(61,220,132,.45)}
  70%{box-shadow:0 0 0 9px rgba(61,220,132,0)}
  100%{box-shadow:0 0 0 0 rgba(61,220,132,0)}
}
.hero h1{
  font-family:var(--mono);font-weight:800;letter-spacing:-.03em;
  font-size:clamp(46px,7vw,84px);line-height:1.02;color:var(--text);
  display:flex;flex-direction:column;
}
.hero h1 .row{display:flex;align-items:baseline;gap:.22em;white-space:nowrap}
.hero h1 .acc{color:var(--green);text-shadow:0 0 34px rgba(61,220,132,.45)}
.hero h1 .caret{
  display:inline-block;width:.14em;height:.72em;background:var(--green);
  animation:blink 1.15s steps(2) infinite;border-radius:1px;
}
.hero-sub{
  margin-top:26px;font-size:clamp(17px,2.1vw,20px);font-weight:500;color:var(--text);
  display:flex;align-items:center;gap:12px;
}
.hero-sub .bar{width:34px;height:3px;border-radius:2px;background:var(--green);box-shadow:0 0 10px rgba(61,220,132,.7);flex:none}
.hero-desc{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:54ch}
.hero-cmd{
  margin-top:34px;display:flex;align-items:stretch;max-width:580px;
  border:1px solid var(--border-hi);border-radius:13px;overflow:hidden;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,.04);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.hero-cmd:hover{border-color:var(--green-rd);box-shadow:0 0 0 1px rgba(61,220,132,.2),var(--shadow-1);transform:translateY(-1px)}
.hero-cmd:focus-within{border-color:var(--green);box-shadow:var(--glow-green)}
.hero-cmd .prefix{
  display:flex;align-items:center;padding:0 0 0 18px;
  font-family:var(--mono);color:var(--green);font-size:14.5px;user-select:none;
  text-shadow:0 0 12px rgba(61,220,132,.5);
}
.hero-cmd code{
  flex:1;font-family:var(--mono);font-size:13.5px;padding:16px 14px;color:var(--text);
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.hero-cmd code::-webkit-scrollbar{display:none}
.copy-btn{
  font-family:var(--mono);font-size:12px;border:none;cursor:pointer;
  background:var(--panel-3);color:var(--muted);padding:0 18px;
  border-left:1px solid var(--border);transition:.2s var(--ease);display:flex;align-items:center;gap:7px;
}
.copy-btn:hover{color:var(--green);background:var(--green-dim)}
.copy-btn:active{transform:scale(.98)}
.copy-btn.done{color:var(--green);background:var(--green-dim)}
.copy-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.hero-links{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  font-family:var(--mono);font-size:14px;padding:13px 24px;border-radius:11px;
  display:inline-flex;align-items:center;gap:9px;transition:.22s var(--ease);border:1px solid transparent;
  cursor:pointer;
}
.btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .25s var(--ease)}
.btn:hover svg.down{transform:translateY(3px)}
.btn:hover svg.arr{transform:translateX(4px)}
.btn-primary{
  background:var(--green);color:#05130a;font-weight:700;
  box-shadow:0 14px 30px -12px rgba(61,220,132,.55), inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-primary:hover{transform:translateY(-2px);text-decoration:none;box-shadow:0 18px 36px -12px rgba(61,220,132,.7), inset 0 1px 0 rgba(255,255,255,.3)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{border-color:var(--border-hi);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--green);color:var(--green);text-decoration:none;transform:translateY(-2px);box-shadow:var(--glow-green)}
.btn-ghost:active{transform:scale(.98)}

/* 徽章 */
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;align-items:center}
.badge{display:inline-flex;align-items:center}
.badge:hover{text-decoration:none}
.badge img{height:20px;width:auto;border-radius:3px;display:block}
.badge-pill{
  font-family:var(--mono);font-size:11.5px;color:var(--muted);
  border:1px solid var(--border);border-radius:8px;padding:5px 11px;
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.02);
  transition:.22s var(--ease);
}
.badge:hover .badge-pill{border-color:var(--border-hi);color:var(--text);text-decoration:none;transform:translateY(-1px);background:rgba(255,255,255,.04)}
.badge-pill b{color:var(--text);font-weight:600}
.badge-pill .b-dot{width:7px;height:7px;border-radius:2px;box-shadow:0 0 6px currentColor}

/* 终端窗口 */
.term-scene{position:relative;perspective:1200px}
.term{
  position:relative;border:1px solid var(--border-hi);border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,#10151d,#0b0f16);
  box-shadow:var(--shadow-2), 0 0 0 1px rgba(255,255,255,.03) inset, 0 0 60px -18px rgba(61,220,132,.18);
  transform:rotate(1.1deg) scale(1);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease);
  will-change:transform;
  transform-style:preserve-3d;
}
.term::before{
  content:'';position:absolute;inset:0;pointer-events:none;border-radius:16px;z-index:2;
  background:radial-gradient(520px 260px at 30% -10%, rgba(61,220,132,.1), transparent 60%);
}
.term-bar{
  display:flex;align-items:center;gap:8px;padding:13px 16px;
  background:rgba(15,21,32,.9);border-bottom:1px solid var(--border);position:relative;z-index:3;
}
.term-bar i{width:11px;height:11px;border-radius:50%;position:relative}
.term-bar i::after{content:'';position:absolute;inset:2px;border-radius:50%;opacity:.35}
.term-bar i:nth-child(1){background:#ff5f56}.term-bar i:nth-child(1)::after{background:rgba(0,0,0,.25)}
.term-bar i:nth-child(2){background:#ffbd2e}.term-bar i:nth-child(2)::after{background:rgba(0,0,0,.25)}
.term-bar i:nth-child(3){background:#27c93f}.term-bar i:nth-child(3)::after{background:rgba(0,0,0,.25)}
.term-bar span{
  font-family:var(--mono);font-size:12px;color:var(--dim);margin-left:10px;
  letter-spacing:.05em;
}
.term-bar .live{
  margin-left:auto;font-size:10.5px;color:var(--green);display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(61,220,132,.25);background:var(--green-dim);padding:3px 9px;border-radius:999px;
}
.term-bar .live::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
.term-body{
  font-family:var(--mono);font-size:13px;line-height:1.9;
  padding:20px 20px 26px;min-height:360px;color:var(--text);position:relative;z-index:1;
}
.term-body .p{color:var(--green);text-shadow:0 0 10px rgba(61,220,132,.4)}
.term-body .c{color:var(--cyan)}
.term-body .a{color:var(--amber)}
.term-body .d{color:var(--dim)}
.term-body .ok{color:var(--green)}
.term-body .ok2{color:var(--green-2)}
.tcaret{
  display:inline-block;width:8px;height:15px;background:var(--text);
  vertical-align:-2px;animation:blink 1s steps(2) infinite;
}
.shot-wrap{padding:16px;position:relative;z-index:1}
.shot-img{width:100%;border-radius:9px;display:block}

/* 悬浮徽章 */
.chip{
  position:absolute;z-index:5;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11.5px;color:var(--text);
  border:1px solid var(--border-hi);border-radius:11px;padding:8px 13px;
  background:rgba(15,21,32,.85);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,.05);
  animation:floaty 6s ease-in-out infinite;will-change:transform;
}
.chip .ic{display:inline-flex;flex:none}
.chip .ic svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.chip b{font-weight:600}
.chip-1{top:6%;left:-44px;animation-delay:0s}
.chip-2{bottom:22%;left:-58px;animation-delay:-2s}
.chip-3{top:40%;right:-34px;animation-delay:-4s}
@keyframes floaty{
  0%,100%{transform:translateY(0) rotate(-1deg)}
  50%{transform:translateY(-12px) rotate(1deg)}
}

/* 跑马灯 */
.ticker{
  margin-top:84px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  overflow:hidden;background:rgba(255,255,255,.015);position:relative;
}
.ticker::before,.ticker::after{
  content:'';position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none;
}
.ticker::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.ticker::after{right:0;background:linear-gradient(-90deg,var(--bg),transparent)}
.ticker-track{
  display:flex;width:max-content;animation:ticker 32s linear infinite;
}
.ticker:hover .ticker-track,
.ticker:focus-within .ticker-track{animation-play-state:paused}
@keyframes ticker{to{transform:translateX(-50%)}}
.ticker span{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.24em;color:var(--dim);
  padding:14px 0;white-space:nowrap;display:inline-flex;align-items:center;
}
.ticker span::after{content:'◆';color:var(--green);margin:0 28px;font-size:8px;opacity:.6;text-shadow:0 0 8px rgba(61,220,132,.6)}

/* ---------- 功能 Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.b-card{
  position:relative;border:1px solid var(--border);border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  padding:30px;display:flex;flex-direction:column;gap:16px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.b-card::before{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .4s var(--ease);
  background:radial-gradient(420px 240px at var(--mx,50%) var(--my,0%), rgba(61,220,132,.09), transparent 70%);
}
.b-card:hover{transform:translateY(-5px);border-color:var(--border-hi);box-shadow:var(--shadow-1)}
.b-card:hover::before{opacity:1}
.b-card .idx{font-family:var(--mono);font-size:11.5px;color:var(--dim);letter-spacing:.12em}
.b-card h3{font-size:21px;font-weight:700;display:flex;align-items:center;gap:12px}
.b-card h3 .g{
  width:34px;height:34px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:15px;color:var(--green);
  background:var(--green-dim);border:1px solid rgba(61,220,132,.25);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .3s var(--ease);
}
.b-card h3 .g svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.b-card:hover h3 .g{transform:rotate(-6deg) scale(1.05)}
.b-card p{color:var(--muted);font-size:14.5px;flex:1}
.b6{grid-column:span 6}.b3{grid-column:span 3}
@media (max-width:1020px){.b6,.b3{grid-column:span 6}}

/* 双栏 mock */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border-radius:12px;overflow:hidden;border:1px solid var(--border);box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}
.duo>div{background:#0c1119;padding:16px 16px 18px}
.duo .head{font-family:var(--mono);font-size:11px;color:var(--dim);display:flex;align-items:center;gap:7px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px dashed var(--border)}
.duo .head .ph{color:var(--green)}
.duo ul{list-style:none;display:flex;flex-direction:column;gap:3px}
.duo li{
  font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px;
  padding:5px 8px;border-radius:7px;transition:.15s var(--ease);
}
.duo li:hover{background:rgba(61,220,132,.08);color:var(--text)}
.duo li.on{background:var(--green-dim);color:var(--text);box-shadow:inset 0 0 0 1px rgba(61,220,132,.25)}
.duo li .ft{margin-left:auto;color:var(--dim);font-size:10.5px}
.duo .st{
  display:flex;gap:14px;margin-top:12px;padding-top:10px;border-top:1px solid var(--border);
  font-family:var(--mono);font-size:10.5px;color:var(--dim);
}
.duo .st i{font-style:normal;color:var(--green)}

/* 键帽 */
.k{
  display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 9px;
  border-radius:7px;font-family:var(--mono);font-size:12px;font-weight:600;color:var(--text);
  background:linear-gradient(180deg,#1c2740,#131a29);
  border:1px solid var(--border-hi);border-bottom-width:3px;
  box-shadow:0 3px 0 rgba(0,0,0,.4);transition:.15s var(--ease);
}
.k:hover{transform:translateY(1px);border-bottom-width:2px;color:var(--green);border-color:var(--green-rd)}
.k-row{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center}
.k-row .kg{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.k-row .kg b{color:var(--muted);font-weight:500}

/* 主题色板 */
.swatches{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.sw{width:34px;height:34px;border-radius:11px;position:relative;transition:.25s var(--ease);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 6px 14px -6px rgba(0,0,0,.6)}
.sw:hover{transform:translateY(-3px) scale(1.05)}
.sw.on::after{content:'';position:absolute;inset:-4px;border-radius:14px;border:1px solid rgba(255,255,255,.25);pointer-events:none}
.sw[data-t]::before{
  content:attr(data-t);position:absolute;top:calc(100% + 7px);left:50%;transform:translateX(-50%) translateY(-3px);
  font-family:var(--mono);font-size:10px;color:var(--dim);white-space:nowrap;pointer-events:none;
  opacity:0;transition:.22s var(--ease);
}
.sw:hover[data-t]::before{opacity:1;transform:translateX(-50%)}
.swatch-note{margin-top:22px;font-family:var(--mono);font-size:11.5px;color:var(--dim);display:flex;gap:8px;align-items:center}
.swatch-note::before{content:'▸';color:var(--green)}

/* 插件列表 */
.plugins{display:flex;flex-wrap:wrap;gap:9px}
.pg{
  font-family:var(--mono);font-size:12px;color:var(--muted);
  border:1px solid var(--border-hi);border-radius:8px;padding:7px 12px;
  display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.02);transition:.2s var(--ease);
}
.pg::before{content:'●';color:var(--green);font-size:7px}
.pg:hover{color:var(--text);border-color:var(--green-rd);transform:translateY(-1px);background:rgba(61,220,132,.06)}
a.pg{color:var(--green);border-color:rgba(61,220,132,.3);background:rgba(61,220,132,.05)}
a.pg::before{content:'+';font-size:12px;font-weight:700}
a.pg:hover{color:var(--green-2);text-decoration:none;border-color:var(--green-rd)}
a.pg svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
a.pg:hover svg{transform:translateX(3px)}
.plugin-note{
  margin-top:2px;font-family:var(--mono);font-size:11.5px;color:var(--dim);
  display:flex;gap:8px;align-items:center;
}
.plugin-note::before{content:'▸';color:var(--green)}

/* 跨平台列表 */
.os-list{display:flex;flex-direction:column;gap:4px}
.os-li{
  display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;
  font-family:var(--mono);font-size:13px;color:var(--text);transition:.18s var(--ease);
  border:1px solid transparent;
}
.os-li:hover{background:rgba(255,255,255,.03);border-color:var(--border)}
.os-li .stt{margin-left:auto;font-size:11px;padding:3px 10px;border-radius:999px}
.os-li.ok .stt{color:var(--green);background:var(--green-dim)}
.os-li.warn .stt{color:var(--amber);background:rgba(233,196,106,.12)}
.os-ic{width:17px;height:17px;flex:none;fill:currentColor}

/* 特性带 */
.band{
  margin-top:24px;border:1px solid var(--border);border-radius:16px;
  background:rgba(255,255,255,.015);display:grid;grid-template-columns:1fr 1fr 1fr;
}
.band .bi{padding:22px 28px;display:flex;gap:14px;align-items:flex-start}
.band .bi+.bi{border-left:1px solid var(--border)}
.band .bi .n{
  font-family:var(--mono);font-size:22px;font-weight:800;color:var(--green);line-height:1;
  text-shadow:0 0 22px rgba(61,220,132,.4);flex:none;min-width:30px;font-variant-numeric:tabular-nums;
}
.band .bi b{font-size:15px;display:block}
.band .bi small{color:var(--muted);font-size:12.5px}
@media (max-width:900px){.band{grid-template-columns:1fr}.band .bi+.bi{border-left:none;border-top:1px solid var(--border)}}

/* ---------- 演示 ---------- */
.demo-frame{
  border:1px solid var(--border-hi);border-radius:18px;overflow:hidden;
  background:var(--panel);box-shadow:var(--shadow-1);
}
.demo-media{padding:20px;background:radial-gradient(600px 320px at 50% 0%,rgba(61,220,132,.06),transparent)}
.demo-media img{border-radius:9px;display:block;width:100%;transition:transform .6s var(--ease)}
.demo-media:hover img{transform:scale(1.008)}
.demo-cap{
  font-family:var(--mono);font-size:12.5px;color:var(--dim);margin-top:18px;
  display:flex;gap:10px;align-items:center;
}
.demo-cap::before{content:'▲';color:var(--green);font-size:9px}
.kbd-hint{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;align-items:center;
  font-family:var(--mono);font-size:11.5px;color:var(--dim);
}
.kbd-hint .k{margin-right:4px}

/* ---------- 代码块 ---------- */
.code{
  border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--panel);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.code:hover{border-color:var(--border-hi);box-shadow:0 10px 30px -18px rgba(0,0,0,.6)}
.code-bar{
  display:flex;align-items:center;padding:10px 14px;background:var(--panel-2);
  border-bottom:1px solid var(--border);gap:10px;
}
.code-bar .lang{
  font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.1em;text-transform:uppercase;
  display:flex;align-items:center;gap:8px;
}
.code-bar .lang::before{content:'';width:6px;height:6px;border-radius:2px;background:var(--green);box-shadow:0 0 6px rgba(61,220,132,.8)}
.code-bar .copy{
  margin-left:auto;font-family:var(--mono);font-size:11.5px;color:var(--muted);
  background:rgba(255,255,255,.02);border:1px solid var(--border-hi);border-radius:7px;
  padding:4px 12px;cursor:pointer;transition:.2s var(--ease);display:inline-flex;align-items:center;gap:6px;
}
.code-bar .copy:hover{color:var(--green);border-color:var(--green)}
.code-bar .copy:active{transform:scale(.96)}
.code-bar .copy.done{color:var(--green);border-color:var(--green);background:var(--green-dim)}
.code-bar .copy svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2}
.code pre{
  padding:18px;overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.8;color:var(--text);
}
.code pre::-webkit-scrollbar{height:8px}
.code pre::-webkit-scrollbar-thumb{background:var(--border-hi);border-radius:4px}
.code .cm{color:var(--dim)}
.code .str{color:var(--amber)}
.code .fn{color:var(--cyan)}
.code .kg{color:var(--green)}

/* ---------- 安装选项卡 ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.tab{
  font-family:var(--mono);font-size:13.5px;color:var(--muted);cursor:pointer;
  background:var(--panel);border:1px solid var(--border);border-radius:11px;
  padding:11px 20px;transition:.22s var(--ease);display:inline-flex;align-items:center;gap:10px;
  user-select:none;
}
.tab .os{
  width:24px;height:24px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;border:1px solid var(--border);background:rgba(255,255,255,.02);line-height:1;
  transition:.22s var(--ease);
}
.tab .os svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tab:hover{color:var(--text);border-color:var(--border-hi);text-decoration:none;transform:translateY(-1px)}
.tab:active{transform:scale(.97)}
.tab.active{
  color:var(--green);border-color:rgba(61,220,132,.5);background:var(--green-dim);
  box-shadow:0 0 0 1px rgba(61,220,132,.12) inset, 0 10px 24px -14px rgba(61,220,132,.4);
}
.tab.active .os{border-color:rgba(61,220,132,.4);color:var(--green);background:rgba(61,220,132,.08)}
.tab-panel{display:none;animation:fadeup .5s var(--ease)}
.tab-panel.active{display:block}
@keyframes fadeup{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.subtabs{display:flex;gap:8px;margin:28px 0 16px;flex-wrap:wrap}
.subtab{
  font-family:var(--mono);font-size:12.5px;color:var(--muted);cursor:pointer;
  background:none;border:none;padding:8px 6px;transition:color .2s var(--ease);
  position:relative;
}
.subtab::after{
  content:'';position:absolute;left:6px;right:6px;bottom:0;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 8px rgba(95,212,224,.5);
  transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.subtab:hover{color:var(--text)}
.subtab.active{color:var(--cyan)}
.subtab.active::after{transform:scaleX(1)}
.subpanel{animation:fadeup .45s var(--ease)}
.note{
  font-size:13.5px;color:var(--muted);margin-top:16px;display:flex;gap:9px;align-items:baseline;
}
.note::before{content:'›';color:var(--green);font-family:var(--mono);flex:none}
.install-more{
  margin-top:34px;border:1px dashed var(--border-hi);border-radius:14px;
  padding:24px 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  background:rgba(255,255,255,.015);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.install-more:hover{border-color:var(--green-rd);background:rgba(61,220,132,.02)}
.install-more p{color:var(--muted);font-size:14.5px}

/* ---------- 构建 ---------- */
.build-grid{display:flex;flex-direction:column;gap:24px}
.req-card{
  border:1px solid var(--border);border-radius:18px;background:linear-gradient(180deg,var(--panel),var(--bg-2));
  padding:26px 28px;position:relative;
  box-shadow:var(--shadow-1);overflow:hidden;
  display:flex;flex-direction:column;gap:18px;
}
.req-card::before{
  content:'';position:absolute;inset:0;border-radius:18px;pointer-events:none;
  background:radial-gradient(400px 200px at 80% -10%, rgba(95,212,224,.1), transparent 60%);
}
.req-head{display:flex;flex-direction:column;gap:5px;position:relative}
.req-card h4{
  font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.16em;margin-bottom:0;
  display:flex;align-items:center;gap:10px;position:relative;
}
.req-card h4::before{content:'';width:22px;height:1px;background:var(--cyan);opacity:.6}
.req-head small{color:var(--muted);font-size:13px}
.req-items{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;position:relative}
.req-item{
  display:flex;align-items:center;gap:16px;padding:16px 18px;position:relative;
  border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.02);
  transition:border-color .25s var(--ease),transform .25s var(--ease),background .25s var(--ease);
}
.req-item:hover{border-color:var(--border-hi);background:rgba(255,255,255,.035);transform:translateY(-2px)}
.req-ico{
  width:46px;height:46px;flex:none;border-radius:12px;background:var(--green-dim);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:800;color:var(--green);font-size:15px;
  border:1px solid rgba(61,220,132,.25);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  text-shadow:0 0 14px rgba(61,220,132,.5);
}
.req-ico svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;text-shadow:none}
.req-item b{font-size:15px;display:block}
.req-item b a:hover{color:var(--green) !important;text-decoration:none}
.req-item small{color:var(--muted);font-size:12.5px}
.steps{display:flex;flex-direction:column;gap:20px;position:relative}
.steps::before{
  content:'';position:absolute;left:17px;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(61,220,132,.4),rgba(38,52,73,.55) 60%,transparent);
  pointer-events:none;
}
.step{display:flex;gap:20px}
.step-no{
  font-family:var(--mono);font-size:13px;color:var(--green);flex:none;
  width:36px;height:36px;border:1px solid rgba(61,220,132,.4);border-radius:10px;
  display:flex;align-items:center;justify-content:center;background:var(--bg-2);margin-top:2px;
  font-weight:700;box-shadow:0 0 16px -6px rgba(61,220,132,.5);position:relative;z-index:1;
}
.step-body{flex:1;min-width:0}
.step-body p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.step-body p b{color:var(--text)}

/* ---------- 启动 ---------- */
.launch{
  border:1px solid var(--border-hi);border-radius:22px;overflow:hidden;
  background:
    radial-gradient(800px 320px at 50% -20%, rgba(61,220,132,.14), transparent 70%),
    var(--panel);
  padding:54px 32px;text-align:center;position:relative;
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,.04);
}
.launch::after{
  content:'';position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:min(520px,80%);height:1px;
  background:linear-gradient(90deg,transparent,rgba(61,220,132,.7),transparent);
}
.launch .big{
  font-family:var(--mono);font-size:clamp(44px,7.5vw,80px);font-weight:800;color:var(--text);
  letter-spacing:-.02em;display:inline-flex;align-items:center;gap:.28em;
  text-shadow:0 10px 40px rgba(0,0,0,.5);
}
.launch .big .p{color:var(--green);text-shadow:0 0 30px rgba(61,220,132,.6)}
.launch .big .caret{
  width:.5em;height:.92em;background:var(--green);animation:blink 1.1s steps(2) infinite;
  border-radius:2px;box-shadow:0 0 18px rgba(61,220,132,.7);
}
.launch p{color:var(--muted);margin-top:16px;font-size:15.5px}
.launch .code{max-width:360px;margin:28px auto 0;text-align:left}

/* 支持系统 */
.sys-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:40px}
.sys{
  border:1px solid var(--border);border-radius:16px;padding:28px 26px;background:var(--panel);
  transition:.28s var(--ease);position:relative;overflow:hidden;
}
.sys::before{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s var(--ease);
  background:radial-gradient(300px 180px at 50% -10%, rgba(61,220,132,.1), transparent 70%);
}
.sys:hover{transform:translateY(-5px);border-color:var(--border-hi);box-shadow:var(--shadow-1)}
.sys:hover::before{opacity:1}
.sys .os-name{font-family:var(--mono);font-size:18px;font-weight:700;display:flex;align-items:center;gap:12px}
.sys .os-logo{
  width:36px;height:36px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:16px;border:1px solid var(--border-hi);background:rgba(255,255,255,.03);
  transition:.28s var(--ease);
}
.sys .os-logo svg{width:19px;height:19px;fill:currentColor}
.sys .st{
  font-family:var(--mono);font-size:11.5px;margin-top:14px;display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
}
.sys.ok .st{color:var(--green);background:var(--green-dim)}
.sys.warn .st{color:var(--amber);background:rgba(233,196,106,.12)}
.sys.ok .st::before{content:'✓';font-weight:700}
.sys.warn .st::before{content:'◐'}
.sys.warn{border-style:dashed}
.sys .sub{color:var(--dim);font-size:12px;margin-top:8px;font-family:var(--mono)}
.sys:hover .os-logo{border-color:var(--green-rd);color:var(--green);transform:scale(1.05)}

/* ---------- 资源 ---------- */
.cheatsheet{
  border:1px solid var(--border);border-radius:16px;padding:24px 28px;margin-bottom:22px;
  background:linear-gradient(180deg,var(--panel),var(--bg-2));box-shadow:var(--shadow-1);
}
.cheatsheet .cs-t{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.14em;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.cheatsheet .cs-ic{width:15px;height:15px;flex:none;fill:none;stroke:var(--cyan);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cheatsheet .grid-cs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 20px}
.cheatsheet .ci{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;color:var(--muted);padding:6px 8px;border-radius:8px;transition:background .18s var(--ease)}
.cheatsheet .ci:hover{background:rgba(61,220,132,.06)}
.cheatsheet .ci:hover .k{color:var(--green);border-color:var(--green-rd)}
.cheatsheet .ci b{color:var(--text);font-weight:500;margin-left:auto;text-align:right}
.cheatsheet .k{min-width:24px;height:24px;font-size:11px;padding:0 7px}
@media (max-width:900px){.cheatsheet .grid-cs{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.cheatsheet .grid-cs{grid-template-columns:1fr}}

.res-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.res{
  border:1px solid var(--border);border-radius:18px;padding:30px;background:var(--panel);
  display:flex;flex-direction:column;gap:14px;transition:.3s var(--ease);position:relative;overflow:hidden;
}
.res::after{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;transition:.35s var(--ease);
  background:radial-gradient(360px 220px at var(--mx,50%) var(--my,0%), rgba(61,220,132,.09), transparent 70%);
}
.res:hover{transform:translateY(-5px);border-color:var(--border-hi);box-shadow:var(--shadow-1)}
.res:hover::after{opacity:1}
.res:hover{text-decoration:none}
.res .idx{font-family:var(--mono);font-size:11.5px;color:var(--dim);letter-spacing:.1em}
.res h3{font-size:20px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:11px}
.res h3 .glyph{
  font-family:var(--mono);font-size:14px;color:var(--green);width:30px;height:30px;flex:none;
  border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:var(--green-dim);border:1px solid rgba(61,220,132,.25);
  transition:transform .3s var(--ease);
}
.res h3 .glyph svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.res:hover h3 .glyph{transform:translateX(3px)}
.res p{color:var(--muted);font-size:14px;flex:1}
.res .go{
  font-family:var(--mono);font-size:13px;color:var(--green);display:inline-flex;gap:8px;align-items:center;
}
.res .go i{font-style:normal;transition:transform .28s var(--ease)}
.res:hover .go i{transform:translateX(6px)}
.res{grid-column:span 3}
.warn-box{
  margin-top:6px;border:1px solid rgba(233,196,106,.35);border-radius:13px;
  background:rgba(233,196,106,.07);padding:18px 20px;display:flex;gap:14px;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.warn-box:hover{border-color:rgba(233,196,106,.55);background:rgba(233,196,106,.1)}
.warn-box .w-ico{
  flex:none;width:32px;height:32px;border-radius:9px;background:rgba(233,196,106,.16);
  color:var(--amber);font-family:var(--mono);font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.warn-box .w-ico svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.warn-box p{font-size:14px;color:var(--text);flex:none}
.warn-box small{display:block;color:var(--muted);margin-top:4px;font-size:13px}
@media (max-width:1020px){
  .res-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .res{grid-column:span 1}
}

/* ---------- 卸载 ---------- */
.un-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
.un-title{
  font-family:var(--mono);font-size:13px;color:var(--cyan);margin-bottom:14px;
  display:flex;align-items:center;gap:10px;letter-spacing:.06em;
}
.un-title::before{content:'';width:20px;height:1px;background:var(--cyan);opacity:.6}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--border);margin-top:110px;position:relative;
  background:linear-gradient(180deg,transparent,rgba(61,220,132,.035));}
.foot-main{max-width:1200px;margin:0 auto;padding:54px 24px 40px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px}
.foot-main .f-brand .logo{margin-bottom:14px}
.foot-main .f-brand p{color:var(--muted);font-size:13.5px;max-width:30ch}
.foot-main h5{font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.14em;margin-bottom:16px;text-transform:uppercase}
.foot-main ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-main ul a{color:var(--muted);font-size:13.5px;transition:.2s var(--ease);display:inline-flex;align-items:center;gap:8px}
.foot-main ul a::before{content:'▸';color:var(--green);font-size:10px;opacity:0;transition:.2s var(--ease);transform:translateX(-4px)}
.foot-main ul a:hover{color:var(--green);text-decoration:none}
.foot-main ul a:hover::before{opacity:1;transform:none}
.foot-bar{border-top:1px solid var(--border)}
.foot-inner{
  max-width:1200px;margin:0 auto;padding:22px 24px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12px;color:var(--dim);
}
.foot-inner .right{margin-left:auto;display:flex;gap:20px}
.foot-inner a{color:var(--muted)}
.foot-inner a:hover{color:var(--green)}
@media (max-width:900px){.foot-main{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-main{grid-template-columns:1fr}}

/* 回到顶部 */
.to-top{
  position:fixed;right:26px;bottom:calc(26px + var(--safe-bottom));z-index:90;
  width:46px;height:46px;border-radius:13px;border:1px solid var(--border-hi);
  background:rgba(15,21,32,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(14px);transition:.3s var(--ease);
  box-shadow:var(--shadow-1);user-select:none;
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{color:var(--green);border-color:var(--green);transform:translateY(-3px);box-shadow:var(--glow-green)}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.to-top:active{transform:scale(.95)}

/* ---------- 响应式 ---------- */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .term{transform:none}
  .chip{display:none}
  .un-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;top:calc(var(--nav-h) + var(--safe-top));left:0;right:0;
    flex-direction:column;gap:2px;padding:16px 20px calc(22px + var(--safe-bottom));
    background:rgba(10,13,18,.97);border-bottom:1px solid var(--border);
    transform:translateY(-10px);opacity:0;pointer-events:none;transition:.3s var(--ease);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    max-height:calc(100vh - var(--nav-h) - var(--safe-top));overflow-y:auto;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{display:block;padding:13px 14px;font-size:14px}
  .nav-links a.active::after{left:14px;right:auto;width:26px;bottom:6px}
  .burger{display:block}
  .nav-gh{display:none}
}
@media (max-width:640px){
  .sec{padding:72px 0}
  .sys-row{grid-template-columns:1fr}
  .req-items{grid-template-columns:minmax(0,1fr)}
  .hero-cmd{flex-wrap:wrap}
  .hero-cmd code{padding:14px 12px}
  .copy-btn{padding:12px 16px;border-left:none;border-top:1px solid var(--border);justify-content:center;width:100%}
  .res-grid{grid-template-columns:1fr}
  .band .bi{padding:18px 20px}
  .nav-inner{padding:0 16px;gap:16px}
  .wrap{padding:0 16px}
  .to-top{right:16px;bottom:calc(16px + var(--safe-bottom));width:42px;height:42px}
}

/* ---------- 触屏优化：避免 hover 粘滞 ---------- */
@media (hover:none){
  .b-card:hover,.res:hover,.sys:hover,.btn-primary:hover,.btn-ghost:hover,
  .nav-gh:hover,.to-top:hover,.tab:hover{transform:none}
  .chip{animation:none}
}
@media (max-width:860px){
  .orb{filter:blur(60px);opacity:.4}
}

/* ---------- 打印 ---------- */
@media print{
  .nav,.progress,.bg-fx,.bg-grid,.grain,.to-top,.chip,.ticker,.copy-btn,.code-bar .copy,.burger,.hero-links{display:none !important}
  body{background:#fff;color:#000}
  *{box-shadow:none !important;text-shadow:none !important;background:transparent !important;color:#000 !important;border-color:#ccc !important}
  a{color:#000 !important;text-decoration:underline}
  .term,.b-card,.res,.sys,.demo-frame,.code,.launch,.req-card,.install-more,.warn-box{border:1px solid #ccc !important;page-break-inside:avoid}
  .sec{padding:24px 0}
}