/* ============================================================
   知擎AI 官网小程序 · 设计系统
   风格：深色科技风 / 高端大气 / 品牌金+青绿撞色 / 块区分明
   ============================================================ */
:root{
  --bg:#070B14;
  --bg-soft:#0A1020;
  --bg-card:#0C1424;
  --panel:rgba(255,255,255,.035);
  --panel-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#EAEEF6;
  --text-dim:#9FB0C6;
  --text-faint:#687890;
  --gold:#E8B84B;
  --orange:#F4795B;
  --teal:#2BD4B5;
  --blue:#5B9DF9;
  --grad-warm:linear-gradient(120deg,#F0A33E,#F4795B);
  --grad-cool:linear-gradient(120deg,#2BD4B5,#4FA8F5);
  --grad-gold:linear-gradient(120deg,#F4D27A,#E8B84B);
  --shadow:0 24px 70px rgba(0,0,0,.5);
  --radius:20px;
  --radius-sm:14px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(232,184,75,.3);color:#fff}

/* 自定义滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#060912}
::-webkit-scrollbar-thumb{background:#1d2940;border-radius:8px;border:2px solid #060912}
::-webkit-scrollbar-thumb:hover{background:#2a3a58}

/* ---------- 全局背景装饰 ---------- */
.bg-deco{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-deco::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60vw 60vw at 12% -5%,rgba(232,184,75,.10),transparent 60%),
    radial-gradient(55vw 55vw at 95% 8%,rgba(79,168,245,.10),transparent 60%),
    radial-gradient(50vw 50vw at 80% 100%,rgba(43,212,181,.08),transparent 60%);
}
.bg-deco::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 80%);
          mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 80%);
}

/* ---------- 布局 ---------- */
.wrap{position:relative;z-index:1}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative;z-index:1}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em;font-size:18px}
.brand .logo{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:var(--grad-warm);display:grid;place-items:center;color:#1a1206;font-weight:800;font-size:17px;
  box-shadow:0 6px 20px rgba(244,121,91,.35);
}
.brand b{color:#fff}
.brand span{color:var(--gold)}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--text-dim)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad-gold);transition:width .25s var(--ease)}
.nav-links a:hover::after{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .25s,background .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-warm);color:#2a1605;box-shadow:0 10px 30px rgba(244,121,91,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(244,121,91,.45)}
.btn-ghost{background:var(--panel);border-color:var(--border-strong);color:#fff}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--gold);background:var(--panel-2)}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ---------- 徽标 / eyebrow ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);opacity:.7}

/* ---------- 标题 ---------- */
h1,h2,h3{font-weight:700;line-height:1.2;letter-spacing:.01em}
.section{padding:96px 0}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:38px;margin-bottom:16px}
.section-head p{color:var(--text-dim);font-size:16px}
.grad-text{
  background:linear-gradient(100deg,#F4D27A,#E8B84B 35%,#F4795B 75%,#F0A33E);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.grad-cool{background:linear-gradient(100deg,#7DEFD2,#4FA8F5);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:130px 0 90px;overflow:hidden}
#particles{position:absolute;inset:0;z-index:0;opacity:.6}
.hero-inner{position:relative;z-index:2;max-width:880px}
.hero .badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;
  background:var(--panel);border:1px solid var(--border);font-size:13px;color:var(--text-dim);margin-bottom:28px;
}
.hero .badge i{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(44px,8vw,78px);line-height:1.05;letter-spacing:.01em;margin-bottom:22px}
.hero .sub{font-size:clamp(18px,2.4vw,23px);color:var(--text);font-weight:600;margin-bottom:14px}
.hero .lead{font-size:17px;color:var(--text-dim);max-width:620px;margin-bottom:38px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;color:var(--text-faint);font-size:12px;letter-spacing:.2em;display:flex;flex-direction:column;align-items:center;gap:8px}
.hero-scroll .line{width:1px;height:40px;background:linear-gradient(var(--text-faint),transparent);animation:scrolldn 2s infinite}
@keyframes scrolldn{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============================================================
   信任数据条
   ============================================================ */
.stats{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:42px 24px;text-align:center;border-right:1px solid var(--border);position:relative}
.stat:last-child{border-right:none}
.stat .num{font-size:clamp(30px,4.5vw,46px);font-weight:800;letter-spacing:.01em}
.stat .label{color:var(--text-dim);font-size:14px;margin-top:6px}

/* ============================================================
   业务矩阵
   ============================================================ */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.biz-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px;position:relative;overflow:hidden;transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.biz-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--c,var(--gold));opacity:.85}
.biz-card:hover{transform:translateY(-6px);border-color:var(--border-strong);background:var(--panel-2)}
.biz-card .ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;background:var(--c-soft,rgba(232,184,75,.12))}
.biz-card h3{font-size:20px;margin-bottom:10px}
.biz-card p{color:var(--text-dim);font-size:14.5px}
.biz-card .tag{display:inline-block;margin-top:16px;font-size:12.5px;color:var(--c,var(--gold));font-weight:600}

/* ============================================================
   通用卡片
   ============================================================ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.card:hover{transform:translateY(-5px);border-color:var(--border-strong);background:var(--panel-2)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;background:rgba(232,184,75,.12)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--text-dim);font-size:15px}

/* 承诺卡（强调第4条） */
.promise{position:relative;overflow:hidden}
.promise .idx{position:absolute;right:18px;top:12px;font-size:46px;font-weight:800;color:rgba(255,255,255,.05)}
.promise.feature{
  grid-column:span 2;
  background:linear-gradient(120deg,rgba(244,121,91,.16),rgba(232,184,75,.10));
  border-color:rgba(244,121,91,.4);
}
.promise.feature h3{font-size:24px}
.promise.feature p{font-size:16px;color:var(--text)}

/* ============================================================
   智能体矩阵
   ============================================================ */
.suite{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.suite-item{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:28px 22px;transition:transform .3s var(--ease),border-color .3s;
}
.suite-item:hover{transform:translateY(-5px);border-color:var(--teal)}
.suite-item .ic{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;background:rgba(43,212,181,.12)}
.suite-item h4{font-size:17px;margin-bottom:8px}
.suite-item p{color:var(--text-dim);font-size:13.5px}

/* ============================================================
   商学页 · 师资
   ============================================================ */
.mentor{display:grid;grid-template-columns:300px 1fr;gap:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.mentor-aside{background:linear-gradient(160deg,rgba(232,184,75,.14),rgba(244,121,91,.10));padding:40px 30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-right:1px solid var(--border)}
.mentor-avatar{
  width:128px;height:128px;border-radius:50%;overflow:hidden;display:block;
  border:2px solid rgba(232,184,75,.5);background:var(--grad-warm);
  box-shadow:0 16px 44px rgba(244,121,91,.34);margin-bottom:22px;
}
.mentor-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.mentor-aside h3{font-size:26px;margin-bottom:6px}
.mentor-aside .role{color:var(--text-dim);font-size:14px;margin-bottom:18px}
.mentor-meta{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.mentor-meta span{font-size:12px;padding:5px 11px;border-radius:999px;background:rgba(7,11,20,.4);border:1px solid var(--border);color:var(--text-dim)}
.mentor-body{padding:42px 40px}
.mentor-body .quote{font-size:19px;line-height:1.7;color:var(--text);border-left:3px solid var(--gold);padding-left:20px;margin-bottom:24px;font-style:normal}
.mentor-body p{color:var(--text-dim)}
.mentor-points{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.mentor-points div{font-size:14px;color:var(--text-dim)}
.mentor-points b{color:var(--gold)}

/* ============================================================
   课程卡
   ============================================================ */
.course{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 28px;display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.course:hover{transform:translateY(-6px);border-color:var(--border-strong);background:var(--panel-2)}
.course.flag{background:linear-gradient(150deg,rgba(244,121,91,.14),rgba(232,184,75,.08));border-color:rgba(244,121,91,.35)}
.course .cno{font-size:13px;font-weight:700;letter-spacing:.15em;color:var(--gold)}
.course h3{font-size:21px;margin:10px 0 12px}
.course .one{font-size:15px;color:var(--text);margin-bottom:16px;min-height:44px}
.course .meta{font-size:13.5px;color:var(--text-dim);margin-bottom:6px}
.course .meta b{color:var(--text)}
.course .pill{display:inline-block;margin-top:16px;font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--text-dim)}
.course .cta{margin-top:20px}
.course .cta a{font-size:14px;font-weight:600;color:var(--gold);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.course .cta a:hover{gap:11px}

/* ============================================================
   CTA 区
   ============================================================ */
.cta-block{
  border-radius:28px;padding:64px 40px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(232,184,75,.12),rgba(244,121,91,.10),rgba(79,168,245,.10));
  border:1px solid var(--border-strong);
}
.cta-block::before{content:"";position:absolute;inset:0;background:radial-gradient(40vw 30vw at 50% 0,rgba(244,121,91,.2),transparent 70%)}
.cta-block>*{position:relative;z-index:1}
.cta-block h2{font-size:clamp(28px,4.5vw,42px);margin-bottom:16px}
.cta-block p{color:var(--text-dim);margin-bottom:30px;font-size:16px}
.cta-block .hero-actions{justify-content:center}

/* ============================================================
   页脚
   ============================================================ */
.footer{border-top:1px solid var(--border);padding:60px 0 40px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer h4{font-size:15px;margin-bottom:18px;color:#fff}
.footer a{display:block;color:var(--text-dim);font-size:14px;margin-bottom:11px;transition:color .2s}
.footer a:hover{color:var(--gold)}
.footer .desc{color:var(--text-dim);font-size:14px;max-width:340px;margin-top:16px}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-faint);font-size:13px}

/* ============================================================
   滚动入场动画
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:980px){
  .biz-grid,.suite,.grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .mentor{grid-template-columns:1fr}
  .mentor-aside{border-right:none;border-bottom:1px solid var(--border)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{display:none}
  .section{padding:68px 0}
  .section-head h2{font-size:30px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid var(--border)}
  .stat:nth-child(odd){border-right:1px solid var(--border)}
  .biz-grid,.suite,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .promise.feature{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .cta-block{padding:48px 22px}
}

/* ============================================================
   品牌 LOGO
   ============================================================ */
.brand .logo-img{height:38px;width:auto;display:block;filter:drop-shadow(0 6px 18px rgba(232,184,75,.22))}
.brand .logo-text{display:flex;align-items:baseline;gap:3px;font-weight:700;letter-spacing:.04em;font-size:18px;line-height:1}
.footer-logo{height:64px;width:auto;margin-bottom:18px;filter:drop-shadow(0 6px 20px rgba(232,184,75,.18))}

/* ============================================================
   内页头部
   ============================================================ */
.page-hero{position:relative;padding:158px 0 84px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(52vw 42vw at 18% -2%,rgba(232,184,75,.13),transparent 62%),
             radial-gradient(46vw 42vw at 94% 4%,rgba(79,168,245,.12),transparent 62%);}
.page-hero .container{position:relative;z-index:2;max-width:920px}
.page-hero .badge{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;
  background:var(--panel);border:1px solid var(--border);font-size:13px;color:var(--text-dim);margin-bottom:24px}
.page-hero .badge i{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.16;margin-bottom:20px}
.page-hero .sub{font-size:clamp(17px,2.2vw,21px);color:var(--text);font-weight:600;margin-bottom:14px}
.page-hero .lead{font-size:16.5px;color:var(--text-dim);max-width:680px;margin-bottom:32px}
.page-hero .hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ============================================================
   故事正文
   ============================================================ */
.story{max-width:800px}
.story p{color:var(--text-dim);font-size:17px;margin-bottom:18px}
.story p strong{color:var(--text);font-weight:700}
.story p .hl{color:var(--gold);font-weight:600}

/* ============================================================
   大引语
   ============================================================ */
.quote-block{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:46px 48px 42px;overflow:hidden}
.quote-block::before{content:"\201C";position:absolute;left:24px;top:-24px;font-size:150px;line-height:1;
  color:rgba(232,184,75,.14);font-family:Georgia,"Times New Roman",serif}
.quote-block p{position:relative;font-size:clamp(19px,2.4vw,25px);line-height:1.68;color:var(--text);z-index:1;font-weight:500}
.quote-block .who{margin-top:22px;color:var(--gold);font-weight:600;font-size:15px;position:relative;z-index:1}

/* ============================================================
   痛点三连
   ============================================================ */
.pain-list{display:grid;gap:14px}
.pain{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--border);
  border-left:3px solid var(--orange);border-radius:12px;padding:20px 22px;transition:.3s var(--ease)}
.pain:hover{background:var(--panel-2);transform:translateX(4px)}
.pain .pn{flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:rgba(244,121,91,.16);color:var(--orange);font-size:13px;font-weight:800}
.pain p{color:var(--text-dim);font-size:15.5px;padding-top:2px}

/* ============================================================
   能力四句
   ============================================================ */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cap{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);padding:28px 22px;
  transition:transform .3s var(--ease),border-color .3s}
.cap:hover{transform:translateY(-5px);border-color:var(--teal)}
.cap h4{font-size:26px;color:var(--teal);margin-bottom:10px;letter-spacing:.04em}
.cap p{color:var(--text-dim);font-size:14px}

/* ============================================================
   四步流程
   ============================================================ */
.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:28px 22px 26px;transition:transform .3s var(--ease),border-color .3s}
.step:hover{transform:translateY(-5px);border-color:var(--blue)}
.step::before{counter-increment:step;content:"0" counter(step);font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--blue)}
.step h4{font-size:18px;margin:12px 0 8px}
.step p{color:var(--text-dim);font-size:14px}
.step::after{content:"";position:absolute;right:-12px;top:50%;width:24px;height:1px;background:var(--border-strong)}
.step:last-child::after{display:none}

/* ============================================================
   分栏 / 数据
   ============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.tick-list{list-style:none;display:grid;gap:12px}
.tick-list li{position:relative;padding-left:30px;color:var(--text-dim);font-size:15.5px}
.tick-list li::before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:rgba(43,212,181,.16);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%232BD4B5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:11px}

/* ============================================================
   加企微二维码浮层
   ============================================================ */
.qr-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:24px;background:rgba(4,7,14,.74);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease)}
.qr-modal.open{opacity:1;visibility:visible}
.qr-card{position:relative;width:100%;max-width:392px;padding:36px 34px 30px;border-radius:26px;text-align:center;
  background:linear-gradient(165deg,#101A2E,#0A1120);border:1px solid var(--border-strong);
  box-shadow:var(--shadow);transform:translateY(16px) scale(.97);transition:transform .34s var(--ease);
  background-image:radial-gradient(120% 90% at 50% 0%,rgba(232,184,75,.1),transparent 62%)}
.qr-modal.open .qr-card{transform:none}
.qr-card::before{content:"";position:absolute;inset:0;border-radius:26px;padding:1px;pointer-events:none;
  background:var(--grad-gold);opacity:.55;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude}
.qr-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;cursor:pointer;
  border:1px solid var(--border);background:var(--panel);color:var(--text-dim);
  display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s,border-color .2s}
.qr-close:hover{background:var(--panel-2);color:var(--text);border-color:var(--border-strong)}
.qr-eyebrow{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.2em;
  color:var(--gold);text-transform:uppercase}
.qr-card h3{font-size:21px;margin:10px 0 7px;letter-spacing:.01em}
.qr-card .qr-sub{color:var(--text-dim);font-size:13.5px;margin-bottom:22px;line-height:1.6}
.qr-box{display:inline-block;padding:9px;border-radius:16px;background:#fff;
  box-shadow:0 12px 36px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.12)}
.qr-box img{display:block;width:210px;height:210px;border-radius:9px}
.qr-foot{margin-top:18px;font-size:12.5px;color:var(--text-faint);line-height:1.65}
.qr-foot b{color:var(--text-dim);font-weight:600}

@media(max-width:980px){
  .cap-grid,.stepper{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .split{grid-template-columns:1fr}
}
@media(max-width:680px){
  .qr-card{padding:30px 22px 24px;border-radius:22px}
  .qr-card h3{font-size:19px}
  .qr-box img{width:182px;height:182px}
  .qr-card .qr-sub{margin-bottom:18px}
}
@media(max-width:680px){
  .cap-grid,.stepper{grid-template-columns:1fr}
  .quote-block{padding:34px 24px 30px}
  .quote-block::before{font-size:110px;top:-16px;left:14px}
  .page-hero{padding:118px 0 58px}
  .brand .logo-img{height:32px}
  .brand .logo-text{font-size:16px}
}