/* ============================================================
   睿控智启 · 官网首页 v1.0
   视觉深化：一条连续的笔画 —— 深蓝是纸，琥珀是电
   品牌色板与本文件 token 一一对应，禁止内联 hex
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  /* 品牌色（定稿，不可改） */
  --navy:#0A1628;
  --amber:#F5A623;
  --amber-deep:#C77700;      /* 浅底小字专用，4.6:1 */
  --teal:#3DD6C0;
  --white:#FFFFFF;
  --ink:#2B2B2B;             /* 浅底正文 */
  --hint:#999999;
  --light:#F8F9FA;

  /* 深底的层级：全部带蓝调，没有一块纯灰 */
  --navy-950:#050C16;
  --navy-900:#071120;
  --navy-850:#081424;
  --navy-800:#0C1B2E;
  --navy-750:#112239;

  /* 深底上的文字 */
  --on-dark:#EDF2F9;
  --on-dark-2:#C3D0E0;
  --on-dark-3:#93A3B8;       /* 深底上的次级说明，对 #0A1628 ≈ 6.4:1 */

  /* 浅底的层级 */
  --paper:#FFFFFF;
  --paper-2:#F8F9FA;
  --on-light-2:#5A6472;
  --hairline:#E4E8EE;
  --hairline-strong:#D3DAE4;

  /* 深底描边 */
  --line:rgba(255,255,255,.085);
  --line-2:rgba(255,255,255,.14);
  --amber-a08:rgba(245,166,35,.08);
  --amber-a16:rgba(245,166,35,.16);
  --amber-a32:rgba(245,166,35,.32);
  --teal-a14:rgba(61,214,192,.14);

  /* 字体：中文思源/PingFang，英文 Helvetica Neue（品牌规范） */
  --font-cn:"PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;
  --font-en:"Helvetica Neue","SF Pro Display","Segoe UI",sans-serif;

  /* 8px 间距刻度 */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px;
  --s6:32px; --s7:48px; --s8:64px; --s9:96px; --s10:128px; --s11:160px;

  /* 圆角：按钮 8（规范），卡片 18，胶囊 999 */
  --r-btn:8px;
  --r-card:18px;
  --r-pill:999px;

  /* 动效：只允许 ease-out 家族，无 bounce */
  --e-out:cubic-bezier(.16,1,.3,1);
  --e-soft:cubic-bezier(.22,.61,.36,1);
  --d-micro:140ms;
  --d-hover:220ms;
  --d-reveal:620ms;

  --wrap:1200px;
  --nav-h:64px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--navy);
  color:var(--on-dark);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--amber-a32);color:var(--white)}

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip{
  position:absolute;left:16px;top:-48px;z-index:200;
  background:var(--amber);color:var(--navy);
  padding:10px 18px;border-radius:var(--r-btn);font-weight:600;
  transition:top var(--d-hover) var(--e-out);
}
.skip:focus{top:12px}

/* 数字统一等宽，避免跳动 */
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 3. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:14px 32px;
  border-radius:var(--r-btn);
  font-size:16px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--d-hover) var(--e-out),
             box-shadow var(--d-hover) var(--e-out),
             background-color var(--d-hover) var(--e-out),
             border-color var(--d-hover) var(--e-out),
             color var(--d-hover) var(--e-out);
  will-change:transform;
}
.btn--primary{
  background:var(--amber);color:var(--navy);
  box-shadow:0 0 0 1px rgba(245,166,35,.4),0 10px 30px -12px rgba(245,166,35,.55);
}
.btn--primary:hover{
  transform:translateY(-1px);
  background:#FFB63A;
  box-shadow:0 0 0 1px rgba(245,166,35,.55),0 16px 38px -14px rgba(245,166,35,.7);
}
.btn--ghost{
  border:1px solid var(--line-2);color:var(--on-dark);
  background:rgba(255,255,255,.02);
}
.btn--ghost:hover{
  transform:translateY(-1px);
  border-color:rgba(255,255,255,.34);
  background:rgba(255,255,255,.06);
}
.btn:active{transform:translateY(0) scale(.995)}
.btn .ico{width:16px;height:16px;transition:transform var(--d-hover) var(--e-out)}
.btn:hover .ico{transform:translateX(3px)}

/* 文字链 */
.tlink{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--navy);
  padding-bottom:2px;border-bottom:1px solid var(--hairline-strong);
  transition:color var(--d-hover) var(--e-out),border-color var(--d-hover) var(--e-out),gap var(--d-hover) var(--e-out);
}
.tlink:hover{color:var(--amber-deep);border-color:var(--amber);gap:12px}
.tlink .ico{width:14px;height:14px}

/* ---------- 4. 导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(10,22,40,.72);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);
  backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:height var(--d-hover) var(--e-out),
             background-color var(--d-hover) var(--e-out),
             border-color var(--d-hover) var(--e-out);
}
.nav.is-stuck{
  height:60px;
  background:rgba(7,17,32,.92);
  border-bottom-color:var(--line);
}
.nav__inner{
  width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px;
  display:flex;align-items:center;gap:var(--s6);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand__mark{width:28px;height:28px;overflow:visible}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__cn{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--white)}
.brand__en{
  font-family:var(--font-en);font-size:11px;font-weight:500;
  letter-spacing:.28em;color:var(--amber);margin-top:3px;
}
.nav__links{
  display:flex;align-items:center;gap:4px;margin-left:auto;
}
.nav__link{
  position:relative;padding:10px 14px;font-size:14px;color:var(--on-dark-2);
  transition:color var(--d-hover) var(--e-out);
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1.5px;
  background:var(--amber);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--d-hover) var(--e-out);
}
.nav__link:hover{color:var(--white)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__cta{
  margin-left:var(--s4);padding:11px 22px;min-height:44px;
  font-size:14px;
  box-shadow:0 0 0 1px rgba(245,166,35,.35),0 8px 22px -14px rgba(245,166,35,.5);
}
.nav__burger{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;
}
.nav__burger span{
  display:block;width:20px;height:1.5px;background:var(--on-dark);border-radius:2px;
  position:relative;transition:transform var(--d-hover) var(--e-out),opacity var(--d-micro) linear;
}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:20px;height:1.5px;background:var(--on-dark);border-radius:2px;
  transition:transform var(--d-hover) var(--e-out);
}
.nav__burger span::before{top:-6px}
.nav__burger span::after{top:6px}
.nav.is-open .nav__burger span{transform:rotate(45deg)}
.nav.is-open .nav__burger span::before{transform:translateY(6px) rotate(-90deg)}
.nav.is-open .nav__burger span::after{transform:translateY(-6px) rotate(-90deg);opacity:0}
.nav__panel{
  position:fixed;inset:var(--nav-h) 0 auto;z-index:99;
  background:rgba(7,17,32,.98);
  border-bottom:1px solid var(--line);
  padding:var(--s4) 24px var(--s6);
  display:none;flex-direction:column;gap:2px;
}
.nav.is-open .nav__panel{display:flex}
.nav__panel a{
  padding:14px 4px;font-size:18px;color:var(--on-dark-2);
  border-bottom:1px solid var(--line);
}
.nav__panel .btn{margin-top:var(--s4);width:100%}

/* ---------- 5. Hero ---------- */
.hero{
  position:relative;
  min-height:min(100svh,940px);
  display:grid;place-items:center;
  padding:calc(var(--nav-h) + 72px) 0 88px;
  isolation:isolate;overflow:hidden;
}
.hero__media{position:absolute;inset:0;z-index:-3;overflow:hidden}
.hero__video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.62;
  /* 视频只在画面里呼吸，不抢文字 */
  -webkit-mask-image:radial-gradient(120% 90% at 50% 42%,#000 34%,rgba(0,0,0,.55) 66%,transparent 92%);
  mask-image:radial-gradient(120% 90% at 50% 42%,#000 34%,rgba(0,0,0,.55) 66%,transparent 92%);
}
.hero__canvas{
  position:absolute;inset:0;width:100%;height:100%;
  opacity:.5;mix-blend-mode:screen;z-index:-2;
}
.hero__grid{
  position:absolute;inset:0;z-index:-1;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:88px 88px;
  background-position:center;
  -webkit-mask-image:radial-gradient(100% 76% at 50% 44%,#000 8%,transparent 78%);
  mask-image:radial-gradient(100% 76% at 50% 44%,#000 8%,transparent 78%);
  opacity:.7;
}
.hero__glow{
  position:absolute;left:50%;top:34%;z-index:-1;
  width:min(1000px,120vw);aspect-ratio:1;transform:translate(-50%,-50%);
  background:
    radial-gradient(circle at 50% 50%,rgba(245,166,35,.15),transparent 58%),
    radial-gradient(circle at 50% 62%,rgba(61,214,192,.09),transparent 62%);
  filter:blur(18px);
  animation:breathe 12s var(--e-soft) infinite;
}
@keyframes breathe{
  0%,100%{opacity:.82;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}
}

.hero__inner{
  position:relative;z-index:2;
  width:100%;max-width:820px;margin-inline:auto;padding-inline:24px;
  text-align:center;
}

/* --- S 绘制：品牌资产本身在动 --- */
.emblem{
  width:132px;height:132px;margin:0 auto var(--s7);
  position:relative;display:grid;place-items:center;
}
.emblem__ring{
  position:absolute;inset:-14px;border-radius:50%;
  border:1px solid rgba(245,166,35,.22);
}
.emblem__ring::after{
  content:"";position:absolute;inset:-1px;border-radius:50%;
  border:1px solid transparent;
  border-top-color:var(--amber);
  opacity:.55;
  animation:spin 14s linear infinite;
}
.emblem__ring--out{inset:-42px;border-color:rgba(255,255,255,.06)}
.emblem__ring--out::after{
  border-top-color:var(--teal);opacity:.4;
  animation:spin 26s linear infinite reverse;
}
@keyframes spin{to{transform:rotate(360deg)}}

.emblem svg{width:100%;height:100%;overflow:visible}
.emblem .s-path{
  fill:none;stroke:var(--white);stroke-width:30;stroke-linecap:butt;
  stroke-dasharray:1 1;         /* JS 写入真实长度 */
  filter:drop-shadow(0 0 22px rgba(245,166,35,.25));
}
.emblem .s-dot{
  fill:var(--amber);
  transform-box:fill-box;transform-origin:center;
  animation:dotPulse 3.2s var(--e-soft) infinite;
}
@keyframes dotPulse{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(1.16);opacity:.86}
}

.hero h1{
  font-size:clamp(32px,4.1vw,48px);
  line-height:1.18;
  letter-spacing:-.01em;
  font-weight:700;
  color:var(--white);
  margin-bottom:var(--s5);
}
.hero h1 .hl{
  position:relative;display:inline-block;color:var(--white);
  white-space:nowrap;
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.28em;
  background:linear-gradient(90deg,var(--amber-a32),rgba(245,166,35,.06));
  border-radius:2px;z-index:-1;
  transform:scaleX(0);transform-origin:left;
  animation:swipe 900ms var(--e-out) 1200ms forwards;
}
@keyframes swipe{to{transform:scaleX(1)}}

.hero__sub{
  font-size:18px;line-height:1.8;color:var(--on-dark-2);
  max-width:640px;margin:0 auto var(--s7);
}
.hero__actions{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
}
.hero__cue{
  position:absolute;left:50%;bottom:34px;transform:translateX(-50%);
  width:1px;height:48px;z-index:2;
  background:linear-gradient(to bottom,rgba(255,255,255,.28),transparent);
  overflow:hidden;
}
.hero__cue::after{
  content:"";position:absolute;left:0;top:-48px;width:1px;height:48px;
  background:linear-gradient(to bottom,transparent,var(--amber));
  animation:cue 2.6s var(--e-soft) infinite;
}
@keyframes cue{
  0%{transform:translateY(0)}
  70%,100%{transform:translateY(96px)}
}

/* ---------- 6. 数据条 ---------- */
.stats{
  position:relative;
  background:var(--light);
  border-top:1px solid var(--hairline);
  border-bottom:1px solid var(--hairline);
  overflow:hidden;
}
.stats__trace{
  position:absolute;left:0;right:0;bottom:0;height:64px;
  opacity:.5;pointer-events:none;
}
.stats__trace path{
  fill:none;stroke:url(#traceGrad);stroke-width:1.5;
  stroke-dasharray:6 10;
  animation:traceFlow 18s linear infinite;
}
@keyframes traceFlow{to{stroke-dashoffset:-320}}

.stats__grid{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:var(--s7) 0;
}
.stat{
  padding:0 var(--s6);text-align:center;
  border-left:1px solid var(--hairline);
}
.stat:first-child{border-left:0}
.stat__num{
  display:flex;align-items:baseline;justify-content:center;gap:2px;
  font-family:var(--font-en);
  font-size:40px;line-height:1.1;font-weight:700;color:var(--navy);
  letter-spacing:-.02em;
}
.stat__unit{font-size:20px;font-weight:600;color:var(--amber-deep);margin-left:1px}
.stat__label{margin-top:6px;font-size:14px;color:var(--on-light-2);letter-spacing:.02em}

/* ---------- 7. 四大平台 ---------- */
.sec{position:relative;padding:var(--s10) 0}
.sec--light{background:var(--paper);color:var(--ink)}
.sec--tight{padding-top:var(--s9)}
.sec--dark{background:var(--navy)}

.sec__head{max-width:640px;margin-bottom:var(--s8)}
.sec__head--center{margin-inline:auto;text-align:center}
.sec__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-en);font-size:12px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber-deep);margin-bottom:var(--s4);
}
.sec__eyebrow::before{
  content:"";width:22px;height:1.5px;background:currentColor;border-radius:2px;
}
.sec--dark .sec__eyebrow{color:var(--amber)}
.sec__title{
  font-size:clamp(26px,3vw,36px);line-height:1.28;font-weight:700;
  letter-spacing:-.01em;color:var(--navy);
}
.sec--dark .sec__title{color:var(--white)}
.sec__sub{
  margin-top:var(--s3);font-size:16px;line-height:1.8;color:var(--on-light-2);
  max-width:52ch;
}
.sec--dark .sec__sub{color:var(--on-dark-2)}
.sec__head--center .sec__sub{margin-inline:auto}

/* 卡片网格 */
.cards{
  display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s5);
}
.card{
  position:relative;overflow:hidden;
  background:var(--paper);
  border:1px solid var(--hairline);
  border-radius:var(--r-card);
  padding:var(--s6) var(--s6) var(--s5);
  box-shadow:0 1px 2px rgba(10,22,40,.045);
  display:flex;flex-direction:column;
  transition:transform var(--d-hover) var(--e-out),
             border-color var(--d-hover) var(--e-out),
             box-shadow var(--d-hover) var(--e-out);
}
.card::before{
  /* hover 时从左上角渗出的琥珀光，不是整块换色 */
  content:"";position:absolute;left:-30%;top:-60%;width:70%;aspect-ratio:1;
  background:radial-gradient(circle,rgba(245,166,35,.16),transparent 70%);
  opacity:0;transition:opacity var(--d-hover) var(--e-out);pointer-events:none;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--amber);
  box-shadow:0 18px 44px -22px rgba(10,22,40,.28),0 2px 10px -6px rgba(10,22,40,.12);
}
.card:hover::before{opacity:1}
.card__top{display:flex;align-items:center;gap:var(--s3);margin-bottom:var(--s4)}
.card__icon{
  width:40px;height:40px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(160deg,rgba(245,166,35,.14),rgba(245,166,35,.04));
  border:1px solid rgba(245,166,35,.22);
  transition:border-color var(--d-hover) var(--e-out),background-color var(--d-hover) var(--e-out);
}
.card:hover .card__icon{border-color:rgba(245,166,35,.5)}
.card__icon svg{width:22px;height:22px}
.card__name{
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  font-family:var(--font-en);color:var(--on-light-2);
}
.card__title{font-size:24px;font-weight:700;color:var(--navy);letter-spacing:-.005em}
.card__desc{
  font-size:16px;line-height:1.8;color:var(--on-light-2);
  margin-bottom:var(--s5);
}
.card__visual{
  margin-top:auto;
  height:72px;border-radius:12px;
  background:linear-gradient(180deg,#FBFCFD,#F4F6F9);
  border:1px solid var(--hairline);
  overflow:hidden;position:relative;
}
.card__visual svg{width:100%;height:100%}
.card__foot{
  margin-top:var(--s5);display:flex;align-items:center;justify-content:space-between;gap:var(--s4);
}

/* ---------- 8. 差异化三栏 ---------- */
.diff{overflow:hidden}
.diff__bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.75;
}
.diff__bg svg{width:100%;height:100%}
.diff__bg .flow{
  fill:none;stroke:rgba(245,166,35,.4);stroke-width:1.5;
  stroke-dasharray:4 14;stroke-linecap:round;
  animation:traceFlow 22s linear infinite;
}
.diff__bg .trunk{stroke:rgba(255,255,255,.12);stroke-dasharray:none}
.diff__inner{position:relative;z-index:1}
.pillars{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s8);
  margin-top:0;
}
.pillar{position:relative;padding-top:var(--s4)}
.pillar__icon{
  width:36px;height:36px;margin-bottom:var(--s4);
  color:var(--amber);
}
.pillar__icon svg{width:36px;height:36px}
.pillar h3{
  font-size:24px;font-weight:700;color:var(--white);line-height:1.4;
  margin-bottom:var(--s3);letter-spacing:-.005em;
}
.pillar p{font-size:16px;line-height:1.85;color:var(--on-dark-3);max-width:34ch}

/* ---------- 9. 场景双入口 ---------- */
.scenes{
  display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s5);
}
.scene{
  position:relative;overflow:hidden;
  border-radius:20px;
  background:linear-gradient(165deg,var(--navy-800),var(--navy-900) 62%,var(--navy-950));
  border:1px solid rgba(255,255,255,.07);
  min-height:420px;
  display:flex;flex-direction:column;
  padding:var(--s6);
  transition:border-color var(--d-hover) var(--e-out),transform var(--d-hover) var(--e-out);
}
.scene::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 80% 0%,rgba(245,166,35,.10),transparent 55%);
  opacity:.9;
}
.scene:hover{border-color:rgba(245,166,35,.34);transform:translateY(-3px)}
.scene__head{margin-bottom:var(--s5);position:relative;z-index:1}
.scene h3{
  font-size:24px;font-weight:700;color:var(--white);margin-bottom:var(--s2);
}
.scene p{font-size:16px;line-height:1.8;color:var(--on-dark-3);max-width:32ch}
.scene__stage{position:relative;z-index:1;margin-top:auto}

/* 终端 */
.term{
  background:rgba(4,10,18,.72);
  border:1px solid rgba(255,255,255,.09);
  border-radius:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;line-height:1.75;
  padding:12px 14px;
  min-height:186px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.term__bar{display:flex;gap:6px;margin-bottom:10px}
.term__dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.18)}
.term__dot:first-child{background:rgba(245,166,35,.6)}
.term pre{
  margin:0;white-space:pre-wrap;word-break:break-word;
  color:#B9C7D8;
}
.term .k{color:var(--amber)}
.term .s{color:var(--teal)}
.term .ok{color:#7FE3A1}
.term .cursor{
  display:inline-block;width:7px;height:13px;vertical-align:-2px;
  background:var(--amber);animation:caret 1s steps(1) infinite;
}
@keyframes caret{50%{opacity:0}}

/* 迷你仪表盘 */
.dash{
  background:rgba(4,10,18,.55);
  border:1px solid rgba(255,255,255,.09);
  border-radius:12px;padding:14px;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.kpi{
  border:1px solid rgba(255,255,255,.07);
  border-radius:9px;padding:9px 10px;
  background:rgba(255,255,255,.02);
}
.kpi__label{font-size:11px;letter-spacing:.08em;color:var(--on-dark-3)}
.kpi__val{
  font-family:var(--font-en);font-size:18px;font-weight:700;color:var(--white);
  margin-top:4px;font-variant-numeric:tabular-nums;
}
.kpi__val span{color:var(--amber);font-size:11px;font-weight:600;margin-left:2px}
.bars{
  grid-column:1 / -1;display:flex;align-items:flex-end;gap:5px;height:64px;
  padding:8px 10px 6px;border:1px solid rgba(255,255,255,.07);border-radius:9px;
  background:rgba(255,255,255,.02);
}
.bars i{
  flex:1;border-radius:2px 2px 0 0;
  background:linear-gradient(180deg,var(--amber),rgba(245,166,35,.25));
  transform-origin:bottom;transform:scaleY(.3);
  animation:barBob 4.2s var(--e-soft) infinite;
}
.bars i:nth-child(3n+2){background:linear-gradient(180deg,var(--teal),rgba(61,214,192,.22))}
@keyframes barBob{
  0%,100%{transform:scaleY(var(--h,.4))}
  50%{transform:scaleY(calc(var(--h,.4) * .62))}
}

/* ---------- 10. 早期伙伴 ---------- */
.partners{
  background:var(--light);
  border-top:1px solid var(--hairline);
  color:var(--ink);
  text-align:center;
  padding:var(--s9) 0;
  position:relative;overflow:hidden;
}
.partners::before{
  content:"";position:absolute;left:50%;top:-40%;width:min(760px,120%);aspect-ratio:1;
  transform:translateX(-50%);
  background:radial-gradient(circle,rgba(245,166,35,.11),transparent 62%);
  pointer-events:none;
}
.partners__inner{position:relative;max-width:640px;margin-inline:auto;padding-inline:24px}
.partners h2{
  font-size:28px;line-height:1.4;font-weight:700;color:var(--navy);
  margin-bottom:var(--s4);
}
.partners p{font-size:16px;line-height:1.85;color:var(--on-light-2)}
.partners__mail{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:var(--s6);
  font-family:var(--font-en);font-size:18px;font-weight:600;
  color:var(--amber-deep);
  position:relative;padding:8px 4px;
}
.partners__mail::after{
  content:"";position:absolute;left:4px;right:4px;bottom:2px;height:1px;
  background:var(--amber-deep);opacity:.35;
  transform:scaleX(1);transform-origin:left;
  transition:opacity var(--d-hover) var(--e-out),transform var(--d-hover) var(--e-out);
}
.partners__mail:hover::after{opacity:1}
.partners__mail .ico{width:16px;height:16px;opacity:.8}
.partners__pulse{
  position:absolute;left:50%;top:50%;width:34px;height:34px;margin:-17px 0 0 -17px;
  border-radius:50%;border:1px solid rgba(199,119,0,.35);
  animation:pulseRing 3.4s var(--e-soft) infinite;pointer-events:none;
}
@keyframes pulseRing{
  0%{transform:scale(.5);opacity:.7}
  80%,100%{transform:scale(2.4);opacity:0}
}

/* ---------- 11. 页脚 ---------- */
.foot{
  position:relative;overflow:hidden;
  background:var(--navy-950);
  border-top:1px solid var(--line);
  padding:var(--s9) 0 0;
}
.foot__wm{
  position:absolute;right:-40px;bottom:-60px;width:420px;height:420px;
  opacity:.05;pointer-events:none;
}
.foot__grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--s7);
  padding-bottom:var(--s8);
}
.foot__brand .brand__mark{width:32px;height:32px}
.foot__brand .brand__cn{font-size:20px}
.foot__slogan{
  margin-top:var(--s4);font-size:14px;line-height:1.9;color:var(--on-dark-3);
  max-width:24ch;
}
.foot h4{
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--white);
  margin-bottom:var(--s4);text-transform:uppercase;font-family:var(--font-en);
}
.foot ul{display:flex;flex-direction:column;gap:11px}
.foot li a,.foot li span{
  font-size:14px;color:var(--on-dark-3);
  transition:color var(--d-hover) var(--e-out);
}
.foot li a:hover{color:var(--amber)}
.foot__bar{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  padding:var(--s5) 0 var(--s6);
  display:flex;align-items:center;justify-content:space-between;gap:var(--s4);
  flex-wrap:wrap;
  font-size:13px;color:var(--on-dark-3);
}
.foot__bar nav{display:flex;gap:var(--s5);flex-wrap:wrap}
.foot__bar a{transition:color var(--d-hover) var(--e-out)}
.foot__bar a:hover{color:var(--on-dark)}

/* ---------- 12. 指针光晕（桌面，极淡） ---------- */
.pointer-glow{
  position:fixed;left:0;top:0;z-index:0;
  width:640px;height:640px;margin:-320px 0 0 -320px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(245,166,35,.055),transparent 62%);
  opacity:0;transition:opacity 600ms var(--e-out);
  will-change:transform;
}
body.has-pointer .pointer-glow{opacity:1}

/* ---------- 13. 进场 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity var(--d-reveal) var(--e-out),
             transform var(--d-reveal) var(--e-out);
  transition-delay:var(--rd,0ms);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1199px){
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:var(--s6) 0}
  .stat:nth-child(3){border-left:0}
  .pillars{gap:var(--s6)}
}
@media (max-width:959px){
  .nav__links{display:none}
  .nav__cta{display:none}
  .nav__burger{display:flex}
  .cards{grid-template-columns:1fr}
  .scenes{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr;gap:var(--s7)}
  .pillar p{max-width:56ch}
  .foot__grid{grid-template-columns:1fr 1fr;gap:var(--s6)}
}
@media (max-width:767px){
  :root{--s10:80px;--s9:64px}
  .wrap{padding-inline:20px}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 56px) 0 72px}
  .hero__sub{font-size:16px}
  .tlink{min-height:44px;display:inline-flex;align-items:center;gap:8px}
  .foot__col a{min-height:44px;display:inline-flex;align-items:center}
  .brand{min-height:44px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .emblem{width:104px;height:104px;margin-bottom:var(--s6)}
  .emblem__ring--out{inset:-30px}
  .stats__grid{grid-template-columns:1fr 1fr;padding:var(--s6) 0}
  .stat{padding:0 var(--s4)}
  .stat__num{font-size:32px}
  .stat__unit{font-size:18px}
  .card{padding:var(--s5)}
  .card__title{font-size:20px}
  .scene{min-height:auto;padding:var(--s5)}
  .term{font-size:12px;min-height:170px}
  .dash{grid-template-columns:1fr 1fr}
  .foot__grid{grid-template-columns:1fr}
  .foot__bar{flex-direction:column;align-items:flex-start}
  .foot__wm{width:280px;height:280px;right:-60px;bottom:-40px}
}

/* ---------- 15. 降低动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .hero__video{display:none}
  .hero__canvas{display:none}
}