/* =========================================================
   vanchor 门户站 · 样式表
   深色科技风 · 粒子背景 · 倾斜卡片 · 渐变文字 · 视差
   ========================================================= */

:root{
  --bg:#050816;
  --bg-2:#0a0e27;
  --bg-3:#0d1330;
  --n-50:#eaf0ff;
  --n-100:#c7d2fe;
  --n-300:#7e8ab8;
  --n-500:#94a3b8;
  --n-700:#cbd5e1;
  --n-900:#f1f5f9;

  --indigo:#6366f1;
  --purple:#8b5cf6;
  --cyan:#06b6d4;
  --pink:#ec4899;

  --grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#06b6d4 100%);
  --grad-soft:linear-gradient(135deg,rgba(99,102,241,.18) 0%,rgba(139,92,246,.18) 50%,rgba(6,182,212,.18) 100%);
  --grad-text:linear-gradient(135deg,#a5b4fc 0%,#c4b5fd 50%,#67e8f9 100%);

  --radius:14px;
  --radius-lg:20px;
  --container:1200px;
  --header-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}

body{
  margin:0;
  background:var(--bg);
  color:var(--n-700);
  font-family:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(900px 600px at 15% 8%,rgba(99,102,241,.15) 0%,transparent 60%),
    radial-gradient(700px 500px at 92% 28%,rgba(139,92,246,.12) 0%,transparent 60%),
    radial-gradient(800px 600px at 50% 92%,rgba(6,182,212,.10) 0%,transparent 60%),
    var(--bg);
}

h1,h2,h3,h4,h5{color:var(--n-900);line-height:1.25;margin:0;font-weight:700}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
svg{max-width:100%}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#4f46e5,#06b6d4);border-radius:10px}
::selection{background:rgba(139,92,246,.4);color:#fff}

/* ============ 顶部进度条 ============ */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:100;
  background:transparent;pointer-events:none;
}
.scroll-progress span{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg,#6366f1,#8b5cf6,#06b6d4);
  box-shadow:0 0 12px rgba(139,92,246,.6);
  transition:width .08s linear;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--header-h);
  background:rgba(5,8,22,.55);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,22,.82);
  border-bottom-color:rgba(255,255,255,.1);
}
.header-inner{height:100%;display:flex;align-items:center;gap:32px}

.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:34px;height:34px;transition:transform .4s var(--ease)}
.brand:hover .brand-mark{transform:rotate(45deg)}
.brand-text{
  font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;
  background:var(--grad-text);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent;
}

.nav{display:flex;align-items:center;gap:30px;margin-right:auto}
.nav a{
  font-size:14.5px;color:var(--n-500);position:relative;padding:6px 0;
  transition:color .2s var(--ease);
}
.nav a:hover{color:#fff}
.nav a.is-active{color:#fff;font-weight:600}
.nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:18px;height:2px;transform:translateX(-50%);
  background:var(--grad);border-radius:2px;
}

.auth-slot{flex-shrink:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:10px;
  font-size:14px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;
  font-family:inherit;
}
.btn svg{width:16px;height:16px}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 6px 20px rgba(99,102,241,.4),inset 0 1px 0 rgba(255,255,255,.2);
  position:relative;overflow:hidden;
}
.btn-primary::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);
  transform:translateX(-100%);transition:transform .6s var(--ease);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(99,102,241,.55),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-primary:hover::before{transform:translateX(100%)}
.btn-ghost{
  background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
.btn-login{
  background:rgba(255,255,255,.06);color:#fff;
  border:1px solid rgba(255,255,255,.16);
}
.btn-login:hover{background:var(--grad);border-color:transparent;box-shadow:0 6px 18px rgba(99,102,241,.4)}
.btn-login.is-pending{opacity:.9}

.auth-user{display:flex;align-items:center;gap:10px}
.auth-user .who{color:#fff;font-weight:600;font-size:14px}
.auth-user .btn{height:34px;padding:0 14px;font-size:13px}

.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);border-radius:10px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.8px;background:#fff;border-radius:2px;transition:transform .2s}

/* ============ 首屏 ============ */
.hero{
  position:relative;min-height:calc(100vh - var(--header-h));
  padding:80px 0 100px;display:flex;align-items:center;overflow:hidden;
}
.hero-canvas{
  position:absolute;inset:0;width:100%;height:100%;z-index:0;
  opacity:.55;
}
.hero-grid{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(99,102,241,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(99,102,241,.08) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 80%);
}

.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;pointer-events:none;z-index:0}
.hero-orb-1{
  width:520px;height:520px;
  background:radial-gradient(circle,#6366f1 0%,transparent 70%);
  top:-180px;left:-100px;
  animation:float-1 14s ease-in-out infinite;
}
.hero-orb-2{
  width:480px;height:480px;
  background:radial-gradient(circle,#06b6d4 0%,transparent 70%);
  bottom:-200px;right:-120px;
  animation:float-2 16s ease-in-out infinite;
}
@keyframes float-1{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(60px,40px) scale(1.1)}
}
@keyframes float-2{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-50px,-30px) scale(1.05)}
}

/* 浮动几何元素 */
.hero-shape{
  position:absolute;z-index:1;opacity:.18;pointer-events:none;
}
.hero-shape svg{width:100%;height:100%;fill:none;stroke:#a5b4fc;stroke-width:1.4}
.hero-shape-1{width:80px;height:80px;top:18%;left:8%;animation:spin 24s linear infinite,float-y 8s ease-in-out infinite}
.hero-shape-2{width:50px;height:50px;bottom:22%;left:14%;animation:spin 18s linear infinite reverse,float-y 6s ease-in-out infinite 1s}
.hero-shape-3{width:36px;height:36px;top:32%;right:10%;animation:spin 20s linear infinite,float-y 7s ease-in-out infinite .5s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float-y{
  0%,100%{margin-top:0}
  50%{margin-top:-18px}
}

.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:1.5px;color:#a5b4fc;
  background:rgba(99,102,241,.12);border:1px solid rgba(99,102,241,.3);
  padding:6px 14px;border-radius:999px;margin-bottom:28px;
  text-transform:uppercase;
}
.eyebrow-dot{
  width:6px;height:6px;border-radius:50%;background:#22d3ee;
  box-shadow:0 0 8px #22d3ee;
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}

.hero-title{
  font-size:64px;font-weight:800;letter-spacing:-1.5px;
  line-height:1.1;color:#fff;margin-bottom:28px;
}
.hero-title br{display:block}
/* 两个 .grad-text span 都是 inline，源码里它们之间的换行会被折叠成一个空格，
   于是「一套会自己思考的 管理平台」在 601px 的容器里断到词中间（管 / 理平台）。
   让第二段独立成行，既消除断词，也符合「三行递进」的版式意图。 */
.hero-title-2{display:block}
.grad-text{
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  background-size:200% auto;
  animation:grad-shift 6s ease-in-out infinite;
}
@keyframes grad-shift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}

.hero-lead{
  font-size:18px;color:var(--n-500);
  max-width:560px;margin-bottom:36px;line-height:1.7;
}
.hero-lead br{display:block;margin-top:6px}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-actions .btn{height:48px;padding:0 26px;font-size:15px}

.hero-tags{display:flex;gap:8px;margin-top:36px;flex-wrap:wrap}
.hero-tags li{
  font-size:13px;color:var(--n-300);
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);
  padding:5px 14px;border-radius:999px;
}

/* Hero logo 视觉 */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-logo-wrap{
  position:relative;width:300px;height:300px;
  display:flex;align-items:center;justify-content:center;
  animation:hero-float 5s ease-in-out infinite;
}
@keyframes hero-float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}
.hero-logo{
  position:relative;z-index:2;width:220px;height:auto;
  filter:drop-shadow(0 0 30px rgba(139,92,246,.5));
}
.hero-logo-glow{
  position:absolute;inset:-40px;
  background:radial-gradient(circle,rgba(139,92,246,.5) 0%,rgba(99,102,241,.3) 40%,transparent 70%);
  filter:blur(30px);z-index:1;
  animation:glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse{
  0%,100%{opacity:.7;transform:scale(1)}
  50%{opacity:1;transform:scale(1.08)}
}

.hero-orbits{position:absolute;inset:0;pointer-events:none}
.orbit{position:absolute;border:1px dashed rgba(165,180,252,.2);border-radius:50%;left:50%;top:50%}
.orbit-1{width:340px;height:340px;margin:-170px 0 0 -170px;animation:spin 30s linear infinite}
.orbit-2{width:440px;height:440px;margin:-220px 0 0 -220px;animation:spin 50s linear infinite reverse;opacity:.7}
.orbit-3{width:540px;height:540px;margin:-270px 0 0 -270px;animation:spin 70s linear infinite;opacity:.4}

.scroll-cue{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--n-300);font-size:11px;letter-spacing:1.5px;
  text-decoration:none;z-index:3;
}
.scroll-cue-mouse{
  display:block;width:22px;height:36px;border:1.5px solid rgba(165,180,252,.4);
  border-radius:12px;position:relative;
}
.scroll-cue-mouse span{
  position:absolute;top:6px;left:50%;margin-left:-2px;
  width:4px;height:8px;border-radius:2px;background:#a5b4fc;
  animation:cue-scroll 1.8s ease-in-out infinite;
}
@keyframes cue-scroll{
  0%{opacity:0;transform:translateY(0)}
  20%{opacity:1}
  80%{opacity:1}
  100%{opacity:0;transform:translateY(14px)}
}

/* ============ 通用区块 ============ */
.section{padding:120px 0;position:relative}
.section-alt{
  background:linear-gradient(180deg,rgba(10,14,39,.4) 0%,rgba(5,8,22,.7) 100%);
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}

.section-head{max-width:760px;margin:0 auto 70px;text-align:center}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;
  color:#a5b4fc;text-transform:uppercase;margin-bottom:18px;
  padding:4px 14px;border-radius:999px;
  background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.3);
}
.section-title{
  font-size:48px;font-weight:800;color:#fff;letter-spacing:-1px;line-height:1.15;
  margin-bottom:18px;
}
/* max-width 定成 660px 而不是常见的 600px —— 实测两段文案需要 613 / 612px，
   600 会各差十来个像素就折行。不是设计随意调的，别往回收。
   （量法：Range.getClientRects 求和，见 2026-09-11 记录。） */
.section-head p{font-size:17px;color:var(--n-500);max-width:660px;margin:0 auto}

/* ============ 产品能力 ============ */
.cap-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  perspective:1200px;
}
.cap-card{
  position:relative;padding:36px 28px;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  transition:transform .35s var(--ease),border-color .25s var(--ease);
  transform-style:preserve-3d;will-change:transform;
  overflow:hidden;
}
.cap-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,rgba(99,102,241,.4),rgba(139,92,246,.2),transparent);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .25s var(--ease);
}
.cap-card:hover{transform:translateY(-6px) rotateX(2deg);border-color:rgba(139,92,246,.3)}
.cap-card:hover::before{opacity:1}

.cap-glow{
  position:absolute;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.25) 0%,transparent 70%);
  filter:blur(30px);top:-50px;right:-50px;opacity:0;transition:opacity .35s var(--ease);
}
.cap-card:hover .cap-glow{opacity:1}

.cap-icon{
  width:54px;height:54px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  background:var(--grad);color:#fff;
  box-shadow:0 8px 22px rgba(99,102,241,.4),inset 0 1px 0 rgba(255,255,255,.2);
}
.cap-icon svg{width:24px;height:24px}
.cap-card h3{font-size:20px;color:#fff;margin-bottom:8px;font-weight:700}
.cap-card p{font-size:14px;color:var(--n-500)}

/* ============ 行业方案 ============ */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ind-card{
  position:relative;padding:36px 28px;overflow:hidden;
  background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);transition:transform .3s var(--ease),background .3s var(--ease);
}
.ind-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.ind-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.04)}
.ind-card:hover::before{transform:scaleX(1)}

.ind-num{
  position:absolute;top:24px;right:28px;
  font-size:42px;font-weight:800;color:rgba(165,180,252,.18);
  font-family:"Space Grotesk","Inter",monospace;letter-spacing:-2px;
}
.ind-card h3{font-size:24px;color:#fff;margin-bottom:6px;font-weight:700}
.ind-card>p{font-size:13px;color:var(--n-300);margin-bottom:20px}
.ind-card ul{display:grid;gap:10px}
.ind-card li{
  font-size:14px;color:var(--n-700);padding-left:22px;position:relative;
}
.ind-card li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:2px;
  background:var(--grad);border-radius:1px;
}

/* ============ 七锚 ============ */
#why{overflow:hidden}
.anchor-bg{
  position:absolute;right:-40px;top:50%;transform:translateY(-50%);
  width:340px;height:380px;pointer-events:none;z-index:0;
  opacity:.045;
  animation:float-y 9s ease-in-out infinite;
}
.anchor-bg svg{width:100%;height:100%;fill:none;stroke:#a5b4fc;stroke-width:5;stroke-linecap:round}

.anchor-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  perspective:1200px;
}
.anchor-card{
  position:relative;padding:30px 24px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  transition:transform .35s var(--ease),border-color .25s var(--ease);
  transform-style:preserve-3d;will-change:transform;
}
.anchor-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.anchor-card:hover{border-color:rgba(139,92,246,.35)}
.anchor-card:hover::before{transform:scaleX(1)}

.anchor-idx{
  display:block;font-size:13px;font-weight:800;letter-spacing:2px;
  color:#a5b4fc;margin-bottom:14px;
  font-family:"Space Grotesk","Inter",monospace;
}
.anchor-card h3{font-size:22px;color:#fff;margin-bottom:4px;font-weight:700}
.anchor-lead{
  font-size:14px;font-weight:600;margin-bottom:12px;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.anchor-desc{font-size:13.5px;color:var(--n-500);line-height:1.65}

.anchor-quote{
  position:relative;z-index:1;
  /* max-width 860px：引文文本实测约 724px，加左右各 36px 内边距共需 ~796px。
     760px 会差几十像素折成两行。调小前先量，别凭感觉。 */
  margin:56px auto 0;max-width:860px;text-align:center;
  font-size:22px;line-height:1.6;color:var(--n-700);font-weight:600;
  padding:32px 36px;border-radius:var(--radius);
  background:rgba(99,102,241,.05);
  border:1px solid rgba(99,102,241,.18);
}
.anchor-quote::before{
  content:"“";position:absolute;top:-6px;left:20px;
  font-size:64px;color:rgba(165,180,252,.2);font-family:Georgia,serif;line-height:1;
}

/* ============ 关于我们 ============ */
.about-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:50px;align-items:start}
.about-copy h2{margin-bottom:24px}
.about-copy p{font-size:16px;color:var(--n-500);margin-bottom:18px;max-width:600px}

.contact-card{
  background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;
}
.contact-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);
}
.contact-card h4{font-size:18px;color:#fff;margin-bottom:18px;font-weight:700}
.contact-list{display:grid;gap:14px}
.contact-list li{display:grid;gap:4px}
.contact-list span{font-size:12px;color:var(--n-500);letter-spacing:.5px}
.contact-list b{font-size:14.5px;color:#fff;font-weight:600;word-break:break-all}
.contact-list a{color:#a5b4fc}
.contact-list a:hover{color:#fff}

/* ============ 页脚 ============ */
.site-footer{padding:60px 0 30px;background:rgba(5,8,22,.6);border-top:1px solid rgba(255,255,255,.06)}
.footer-top{
  display:flex;justify-content:space-between;align-items:center;
  padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.06);flex-wrap:wrap;gap:24px;
}
.footer-nav{display:flex;gap:28px;flex-wrap:wrap}
.footer-nav a{font-size:14px;color:var(--n-500);transition:color .2s var(--ease)}
.footer-nav a:hover{color:#fff}

.footer-bottom{
  padding-top:22px;display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;font-size:13px;
}
.copyright,.icp-info{color:var(--n-300)}
.icp-info{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.icp-info .divider{opacity:.4}
.icp-info a{color:var(--n-300);transition:color .2s var(--ease)}
.icp-info a:hover{color:#fff}

/* ============ 弹层 ============ */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center}
.modal[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(5,8,22,.75);backdrop-filter:blur(6px);animation:fade .2s var(--ease)}
.modal-body{
  position:relative;background:linear-gradient(180deg,#0a0e27,#050816);
  border:1px solid rgba(99,102,241,.3);border-radius:var(--radius);
  padding:30px;max-width:380px;width:90%;text-align:center;
  box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 30px rgba(99,102,241,.15);
  animation:pop .25s var(--ease);
}
.modal-body h4{font-size:18px;color:#fff;margin-bottom:10px}
.modal-body p{font-size:14px;color:var(--n-500);margin-bottom:24px}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}

/* ============ 入场动画 ============ */
[data-reveal]{
  opacity:0;transform:translateY(30px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal].is-in:nth-child(2){transition-delay:.1s}
[data-reveal].is-in:nth-child(3){transition-delay:.2s}
[data-reveal].is-in:nth-child(4){transition-delay:.3s}
[data-reveal].is-in:nth-child(5){transition-delay:.4s}
[data-reveal].is-in:nth-child(6){transition-delay:.5s}

/* 鼠标跟随光晕 */
.cursor-glow{
  position:fixed;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.12) 0%,transparent 70%);
  pointer-events:none;z-index:0;
  transform:translate(-50%,-50%);
  transition:opacity .3s;
  mix-blend-mode:screen;
  opacity:0;
}
.cursor-glow.is-on{opacity:1}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px;text-align:left}
  .hero-visual{order:-1;margin-bottom:8px}
  .hero-logo-wrap{width:240px;height:240px}
  .hero-logo{width:170px}
  .orbit-1{width:280px;height:280px;margin:-140px 0 0 -140px}
  .orbit-2{width:360px;height:360px;margin:-180px 0 0 -180px}
  .orbit-3{width:440px;height:440px;margin:-220px 0 0 -220px}
  .cap-grid,.ind-grid{grid-template-columns:repeat(2,1fr)}
  .anchor-grid{grid-template-columns:repeat(3,1fr)}
  .anchor-bg{width:260px;height:300px;right:-60px;opacity:.04}
  .about-layout{grid-template-columns:1fr;gap:28px}
}

@media (max-width:860px){
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:rgba(5,8,22,.95);backdrop-filter:blur(14px);
    flex-direction:column;align-items:stretch;padding:8px 24px 16px;
    border-bottom:1px solid rgba(255,255,255,.06);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav a.is-active::after{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .auth-slot{margin-left:12px}
  .btn-login{height:34px;padding:0 14px;font-size:13px}

  .hero{padding:50px 0 80px}
  .hero-title{font-size:38px;letter-spacing:-.5px}
  .hero-lead{font-size:15px}
  .section{padding:80px 0}
  .section-title{font-size:32px}
  .anchor-grid{grid-template-columns:repeat(2,1fr)}
  .anchor-quote{font-size:18px;padding:26px 24px;margin-top:40px}
  .anchor-bg{display:none}
  .scroll-cue{display:none}
}

@media (max-width:600px){
  .container{padding:0 18px}
  .hero-title{font-size:30px}
  .hero-lead{font-size:14.5px}
  .hero-actions .btn{height:42px;padding:0 18px;font-size:14px}
  .cap-grid,.ind-grid{grid-template-columns:1fr}
  .anchor-grid{grid-template-columns:1fr;gap:14px}
  .anchor-card{padding:24px 20px}
  .anchor-quote{font-size:16px;padding:22px 18px}
  .section-title{font-size:26px}
  .footer-bottom-inner,.footer-top{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-nav{justify-content:flex-start}
  .hero-logo-wrap{width:200px;height:200px}
  .hero-logo{width:140px}
  .cursor-glow{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
  [data-reveal]{opacity:1;transform:none}
}