/* roulang page: index */
:root{
  --brand-1:#3A2E5C;
  --brand-2:#6B5AA8;
  --accent:#D97A3D;
  --jade:#2E9E86;
  --ink:#1B1830;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --line:#E6E0D6;
  --text:#23202B;
  --muted:#6B6675;
  --grad:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 100%);
  --grad-cta:linear-gradient(120deg,#3A2E5C 0%,#D97A3D 100%);
  --grad-deep:linear-gradient(120deg,#241F42 0%,#3A2E5C 46%,#6B5AA8 100%);
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(27,24,48,.04),0 8px 24px rgba(27,24,48,.06);
  --sh-2:0 16px 40px rgba(27,24,48,.12);
  --t:.24s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{line-height:1.25;font-weight:800;margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;box-shadow:0 0 0 4px rgba(58,46,92,.12);border-radius:8px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--accent);margin-bottom:14px;
}
.muted{color:var(--muted);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border:0;border-radius:999px;
  background:var(--grad-cta);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 8px 22px rgba(58,46,92,.22);
  transition:transform var(--t),box-shadow var(--t),filter var(--t),color var(--t);
}
.btn-main:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(58,46,92,.3);color:#fff;}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 16px rgba(58,46,92,.24);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;
  border:1px solid rgba(58,46,92,.3);background:#fff;color:var(--brand-1);
  font-weight:600;font-size:15px;
  transition:background var(--t),border-color var(--t),transform var(--t),color var(--t);
}
.btn-line:hover{background:rgba(58,46,92,.08);border-color:rgba(58,46,92,.52);transform:translateY(-1px);color:var(--brand-1);}
.btn-line--light{border-color:rgba(255,255,255,.5);background:transparent;color:#fff;}
.btn-line--light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-2);cursor:pointer;}
.text-link i{font-style:normal;transition:transform var(--t);}
.text-link:hover{color:var(--accent);}
.text-link:hover i{transform:translateX(4px);}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--jade);
  background:rgba(46,158,134,.1);border:1px solid rgba(46,158,134,.24);
}
.tag--brand{color:var(--brand-2);background:rgba(107,90,168,.1);border-color:rgba(107,90,168,.24);}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;box-shadow:0 1px 0 var(--line);}
.topbar{height:64px;display:flex;align-items:center;background:#fff;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand-1);min-width:0;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-size:15px;font-weight:800;box-shadow:var(--sh-1);
}
.brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-text b{background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.topbar-link{font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;}
.topbar-link:hover{color:var(--brand-1);}
.topbar-btn{
  padding:9px 20px;border-radius:999px;border:0;background:var(--grad-cta);color:#fff;
  font-size:14px;font-weight:700;box-shadow:0 6px 16px rgba(58,46,92,.2);white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.topbar-btn:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 24px rgba(58,46,92,.26);color:#fff;}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-1);transition:transform var(--t);}
.channelbar{background:#fff;border-top:1px solid var(--line);position:relative;}
.channel-inner{
  display:flex;align-items:center;gap:8px;height:50px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;padding:8px 16px 11px;border-radius:999px;
  font-size:14px;color:var(--muted);background:#F3F0EA;white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.channel:hover{background:#EAE5DB;color:var(--brand-1);}
.channel.is-active{color:var(--brand-1);font-weight:700;background:rgba(58,46,92,.08);}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:3px;
  border-radius:3px;background:var(--grad-cta);
}
.mobile-nav{background:#fff;border-bottom:1px solid var(--line);}
.mobile-nav-inner{display:flex;flex-direction:column;gap:6px;padding-top:12px;padding-bottom:18px;}
.mobile-nav-inner a{padding:11px 14px;border-radius:12px;font-size:15px;color:var(--text);background:#F7F4EF;}
.mobile-nav-inner a.is-active{color:var(--brand-1);font-weight:700;background:rgba(58,46,92,.08);}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center;
  background:#1B1830 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:72px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(27,24,48,.95) 0%,rgba(58,46,92,.88) 44%,rgba(107,90,168,.45) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-copy .eyebrow{color:#F0B183;}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);color:#fff;margin-bottom:18px;letter-spacing:-.02em;
}
.hero-sub{color:rgba(255,255,255,.82);font-size:17px;line-height:1.75;max-width:520px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges li{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
}
.hero-badges li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade);}
.hero-visual{display:flex;justify-content:center;}
.hero-card{
  width:100%;max-width:352px;background:#fff;border-radius:var(--r-lg);
  padding:20px;box-shadow:0 24px 60px rgba(15,12,32,.4);
  transform:rotate(-5deg);border:1px solid rgba(255,255,255,.6);
}
.hero-card-top{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--grad);}
.hero-card-top img{width:100%;height:148px;object-fit:cover;}
.hero-card-tag{
  position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;color:#fff;background:rgba(27,24,48,.62);backdrop-filter:blur(4px);
}
.hero-card-list{display:flex;flex-direction:column;gap:10px;margin:18px 0 16px;}
.hero-card-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text);}
.hero-card-list .dot{width:8px;height:8px;flex:0 0 8px;margin-top:8px;border-radius:50%;background:var(--grad-cta);}

/* ============ pain ============ */
.pain-list{border-top:1px solid var(--line);}
.pain-row{display:flex;gap:28px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line);}
.pain-num{
  flex:0 0 auto;font-size:40px;font-weight:800;line-height:1;
  color:rgba(58,46,92,.14);letter-spacing:-.02em;
}
.pain-body h3{font-size:19px;margin-bottom:6px;}
.pain-body p{color:var(--muted);font-size:15px;}

/* ============ plans ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.plan-card{
  position:relative;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.plan-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-cta);}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.plan-card--lg,.plan-card--wide{grid-column:span 2;flex-direction:row;align-items:stretch;}
.plan-media{background:var(--grad);overflow:hidden;}
.plan-card--lg .plan-media,.plan-card--wide .plan-media{flex:0 0 42%;}
.plan-media img{width:100%;height:100%;min-height:196px;object-fit:cover;transition:transform .4s ease;}
.plan-card:hover .plan-media img{transform:scale(1.03);}
.plan-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;}
.plan-body h3{font-size:20px;}
.plan-card--lg .plan-body h3,.plan-card--wide .plan-body h3{font-size:22px;}
.plan-body p{font-size:14.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.plan-body .text-link{margin-top:auto;padding-top:6px;}

/* ============ stats ============ */
.stats-band{
  background:var(--grad-deep);border-radius:24px;padding:52px 36px;
  position:relative;overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,122,61,.32) 0%,rgba(217,122,61,0) 68%);
}
.stats-head{text-align:center;margin-bottom:34px;position:relative;z-index:2;}
.stats-head h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;}
.stats-head p{color:rgba(255,255,255,.72);font-size:15px;}
.stats-row{display:flex;flex-wrap:wrap;gap:16px;position:relative;z-index:2;}
.stat{
  flex:1 1 190px;border-radius:999px;padding:20px 24px;text-align:center;
  background:rgba(255,255,255,.07);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.07)),linear-gradient(120deg,rgba(217,122,61,.7),rgba(107,90,168,.75));
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform var(--t);
}
.stat:hover{transform:translateY(-3px);}
.stat-num{
  font-size:34px;font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#FFFFFF 0%,#D97A3D 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-label{font-size:12px;color:rgba(255,255,255,.72);margin-top:8px;}
.stats-note{margin-top:24px;font-size:12px;color:rgba(255,255,255,.56);text-align:center;position:relative;z-index:2;}

/* ============ news ============ */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:flex;gap:18px;padding:18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{
  flex:0 0 180px;width:180px;height:126px;border-radius:12px;overflow:hidden;
  background:var(--grad);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);}
.news-title{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand-2);}
.news-summary{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .text-link{margin-top:auto;}
.news-empty{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:52px 24px;border-radius:var(--r-lg);border:1px dashed var(--line);background:#fff;text-align:center;
}
.news-empty i{font-size:26px;color:var(--brand-2);}
.news-empty p{color:var(--muted);font-size:15px;}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;}
.faq-item{position:relative;border-bottom:1px solid var(--line);transition:padding-left var(--t);}
.faq-item:has(.collapse.show){padding-left:14px;}
.faq-item:has(.collapse.show)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-cta);
}
.faq-btn{
  width:100%;background:none;border:0;text-align:left;position:relative;
  padding:18px 44px 18px 4px;font-size:16px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-btn:hover{color:var(--brand-2);}
.faq-icon{position:absolute;right:8px;top:50%;width:16px;height:16px;transform:translateY(-50%);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-2);border-radius:2px;transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item:has(.collapse.show) .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-answer{padding:0 44px 20px 4px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ cta ============ */
.cta-band{
  background:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 52%,#D97A3D 145%);
  border-radius:24px;padding:46px 42px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18) 0%,rgba(255,255,255,0) 70%);
}
.cta-band-text{position:relative;z-index:2;max-width:600px;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,29px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;}
.cta-band .btn-main{background:#fff;color:var(--brand-1);box-shadow:0 10px 26px rgba(15,12,32,.28);position:relative;z-index:2;}
.cta-band .btn-main:hover{color:var(--brand-1);}
.privacy-note{margin-top:16px;font-size:12px;color:var(--muted);text-align:center;}
.privacy-note a{color:var(--brand-2);text-decoration:underline;}

/* ============ footer ============ */
.site-footer{position:relative;background:var(--ink);color:#CFCADD;padding:64px 0 24px;margin-top:8px;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-cta);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{font-size:16px;font-weight:800;color:#fff;}
.footer-desc{font-size:13px;line-height:1.9;color:#9C96B0;max-width:300px;}
.footer-col h4{font-size:14px;color:#EDEAF6;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:13px;color:#9C96B0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:#857FA0;
}
.footer-bottom a:hover{color:#fff;}

/* ============ modal ============ */
.lead-modal{border:0;border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(15,12,32,.35);}
.lead-modal-bar{height:4px;background:var(--grad-cta);}
.lead-modal-head{padding:26px 30px 6px;position:relative;border:0;}
.lead-modal-head h5{font-size:21px;font-weight:800;color:var(--brand-1);margin-bottom:8px;}
.lead-modal-head p{font-size:14px;color:var(--muted);line-height:1.7;max-width:520px;}
.lead-modal .btn-close{position:absolute;right:22px;top:22px;opacity:.5;}
.lead-modal .btn-close:hover{opacity:.9;}
.lead-modal-body{padding:16px 30px 28px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--text);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#FBFAF7;color:var(--text);font-size:14px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{resize:vertical;min-height:88px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-2);background:#fff;
  box-shadow:0 0 0 4px rgba(58,46,92,.12);
}
.field input:user-invalid{border-color:#C0392B;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:18px 0 16px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand-2);}
.check-row label{font-size:12px;color:var(--muted);line-height:1.7;}
.check-row a{color:var(--brand-2);text-decoration:underline;}
.lead-done{
  margin-top:14px;padding:11px 16px;border-radius:12px;font-size:13px;
  color:var(--jade);background:rgba(46,158,134,.1);border:1px solid rgba(46,158,134,.24);
}

@media (max-width:1200px){
  .hero-inner{gap:36px;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-visual{justify-content:flex-start;}
  .hero-card{transform:rotate(-3deg);max-width:420px;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .plan-card--lg,.plan-card--wide{grid-column:span 2;flex-direction:column;}
  .plan-card--lg .plan-media,.plan-card--wide .plan-media{flex:none;}
  .plan-card--lg .plan-media img,.plan-card--wide .plan-media img{height:190px;min-height:190px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .hero{min-height:420px;padding:52px 0 60px;}
  .hero-sub{font-size:15.5px;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-card--lg,.plan-card--wide{grid-column:span 1;}
  .plan-card--lg .plan-media img,.plan-card--wide .plan-media img{height:180px;}
  .news-list{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .pain-row{gap:18px;padding:22px 0;}
  .pain-num{font-size:32px;}
  .channelbar::before,.channelbar::after{
    content:"";position:absolute;top:0;bottom:0;width:26px;pointer-events:none;z-index:3;
  }
  .channelbar::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
  .channelbar::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
  .cta-band{padding:34px 26px;}
  .stats-band{padding:40px 22px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:576px){
  .wrap{padding:0 16px;}
  .brand{font-size:16px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px;}
  .hero h1{font-size:26px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-main,.hero-cta .btn-line{width:100%;}
  .news-card{flex-direction:column;}
  .news-thumb{width:100%;flex:none;height:168px;}
  .plan-body{padding:20px;}
  .stat{flex:1 1 100%;border-radius:18px;}
  .stat-num{font-size:30px;}
  .lead-modal-head,.lead-modal-body{padding-left:20px;padding-right:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .plan-card:hover,.news-card:hover,.stat:hover{transform:none;}
  .hero-card{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#3A2E5C;
  --ink-2:#6B5AA8;
  --accent:#D97A3D;
  --jade:#2E9E86;
  --deep:#1B1830;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E0D6;
  --text:#23202B;
  --muted:#6B6675;
  --brand-grad:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 58%,#D97A3D 130%);
  --btn-grad:linear-gradient(120deg,#3A2E5C 0%,#D97A3D 120%);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(27,24,48,.04),0 8px 24px rgba(27,24,48,.06);
  --shadow-2:0 16px 40px rgba(27,24,48,.12);
  --sec-y:88px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,background-color .18s ease,opacity .18s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 4px rgba(58,46,92,.12);border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);font-weight:700}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}
.tag-jade{background:rgba(46,158,134,.1);color:#207a68}
.tag-amber{background:rgba(217,122,61,.12);color:#a3551f}
.tag-ink{background:rgba(58,46,92,.08);color:var(--ink)}

/* ============ header ============ */
.site-head{position:sticky;top:0;z-index:1030;background:rgba(247,244,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-grad);color:#fff;font-size:16px;font-weight:800;letter-spacing:0
}
.brand-text b{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.08em;line-height:1.4}
.top-actions{display:flex;align-items:center;gap:10px}
.link-quiet{font-size:14px;color:var(--muted);font-weight:600}
.link-quiet:hover{color:var(--ink)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:12px;
  background:#fff;border:1px solid rgba(58,46,92,.3);color:var(--ink);font-size:14px;font-weight:700;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:rgba(58,46,92,.08);color:var(--ink);transform:translateY(-1px)}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink)}

.channelbar{border-top:1px solid rgba(230,224,214,.7)}
.channel-inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:0 0 auto;padding:6px 14px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);
  background:rgba(58,46,92,.05);
}
.channel:hover{background:rgba(58,46,92,.11);color:var(--ink)}
.channel.is-active{color:var(--ink);background:rgba(58,46,92,.08)}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-11px;height:3px;border-radius:3px;background:var(--brand-grad)
}

/* ============ breadcrumb ============ */
.crumb{padding:26px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{opacity:.5}
.crumb .now{max-width:min(520px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:600}

/* ============ article layout ============ */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:48px;padding:26px 0 0;align-items:start}
.article-main{min-width:0}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.3;margin-bottom:16px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.meta-row .dot{opacity:.45}
.meta-row .num{color:var(--muted)}

.article-body{max-width:800px;margin-top:32px;font-size:16.5px;line-height:1.85;color:var(--text)}
.article-body>*+*{margin-top:1.2em}
.article-body h2{font-size:clamp(21px,2.4vw,27px);margin-top:2em;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--brand-grad)}
.article-body h3{font-size:19px;margin-top:1.6em}
.article-body h4{font-size:16.5px;margin-top:1.4em;color:var(--ink)}
.article-body ul,.article-body ol{padding-left:1.2em}
.article-body ul li,.article-body ol li{margin:.4em 0;line-height:1.8}
.article-body ul li{list-style:none;position:relative;padding-left:16px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.article-body ol{list-style:decimal}
.article-body ol li::marker{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;background:#fff;border-left:3px solid var(--jade);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--muted);box-shadow:var(--shadow-1)
}
.article-body img{border-radius:16px;margin:1.6em 0 .6em;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:#fff;border-radius:var(--r-md);overflow:hidden}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body thead th{background:rgba(58,46,92,.06);color:var(--ink);font-weight:700}
.article-body tbody tr:nth-child(even){background:rgba(247,244,239,.7)}
.article-body a{color:var(--ink);border-bottom:1px solid rgba(58,46,92,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body strong{font-weight:700;color:var(--ink)}

.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.btn-primary-x{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;border:0;
  background:var(--btn-grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 6px 18px rgba(58,46,92,.24);transition:filter .18s ease,transform .18s ease,box-shadow .18s ease
}
.btn-primary-x:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;box-shadow:var(--shadow-2)}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:12px;
  background:#fff;border:1px solid rgba(58,46,92,.3);color:var(--ink);font-size:15px;font-weight:700
}
.btn-line:hover{background:rgba(58,46,92,.08);color:var(--ink)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--ink)}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(4px)}

/* empty state */
.empty-box{
  margin-top:32px;padding:48px 28px;text-align:center;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);border-top:4px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--brand-grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.empty-box i{font-size:30px;color:var(--ink-2)}
.empty-box h2{font-size:22px;margin:14px 0 8px}
.empty-box p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ============ sidebar ============ */
.article-side{position:sticky;top:132px;display:grid;gap:18px}
.side-card{background:#fff;border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--accent)}
.side-list li+li{margin-top:8px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--muted);background:rgba(247,244,239,.9);font-weight:600}
.side-list a:hover{color:var(--ink);background:rgba(58,46,92,.08)}
.side-list a i{font-size:11px;opacity:.6}
.side-note{font-size:13px;color:var(--muted);line-height:1.75}

/* ============ cta ============ */
.cta-band{margin:var(--sec-y) 0 0}
.cta-inner{
  position:relative;overflow:hidden;border-radius:24px;padding:44px 40px;color:#fff;
  background:var(--brand-grad);box-shadow:var(--shadow-2)
}
.cta-inner::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.09)}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,27px);margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15px;max-width:640px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;position:relative;z-index:2}
.btn-on-dark{background:#fff;color:var(--ink);border:0;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px}
.btn-on-dark:hover{background:#fff;color:var(--ink);transform:translateY(-1px)}
.btn-outline-dark{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px}
.btn-outline-dark:hover{background:rgba(255,255,255,.14);color:#fff}
.privacy-note{font-size:12px;color:var(--muted);margin-top:14px}
.privacy-note a{color:var(--ink);border-bottom:1px solid rgba(58,46,92,.35)}

/* ============ footer ============ */
.site-footer{margin-top:var(--sec-y);background:var(--deep);color:rgba(255,255,255,.72);padding-top:1px}
.site-footer::before{content:"";display:block;height:1px;background:var(--brand-grad);opacity:.9}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:56px 0 36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--brand-grad)}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.62)}
.footer-col ul li a{color:rgba(255,255,255,.62)}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.5)}

/* ============ modal ============ */
.modal-content-x{border:0;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2)}
.modal-content-x .modal-header{border:0;padding:0}
.modal-grad{height:4px;background:var(--brand-grad)}
.modal-content-x .modal-body{padding:26px 28px 22px}
.modal-content-x h3{font-size:20px;margin-bottom:8px}
.modal-content-x .sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.form-label-x{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px;display:block}
.form-control-x{
  width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:15px;transition:border-color .18s ease,box-shadow .18s ease
}
.form-control-x:focus{outline:0;border-color:var(--ink);box-shadow:0 0 0 4px rgba(58,46,92,.12)}
.form-check-x{display:flex;gap:10px;align-items:flex-start;font-size:12px;color:var(--muted);margin-top:14px}
.form-check-x input{margin-top:4px}
.btn-submit{width:100%;margin-top:18px;padding:13px;border-radius:999px;border:0;background:var(--btn-grad);color:#fff;font-weight:700;font-size:15px}
.btn-submit:hover{filter:brightness(1.06)}
.modal-foot{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}

/* ============ responsive ============ */
@media (max-width:1200px){
  .article-shell{grid-template-columns:minmax(0,1fr) 248px;gap:36px}
}
@media (max-width:992px){
  :root{--sec-y:64px}
  .article-shell{grid-template-columns:1fr;gap:32px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-y:56px}
  .burger{display:inline-grid;place-items:center}
  .link-quiet{display:none}
  .channel-inner{
    padding-left:20px;padding-right:20px;
    mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
  }
  .article-side{grid-template-columns:1fr}
  .cta-inner{padding:32px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
  .footer-desc{max-width:100%}
}
@media (max-width:576px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .article-head h1{font-size:clamp(24px,7vw,30px)}
  .brand{font-size:16px}
  .brand-text small{display:none}
  .btn-primary-x,.btn-line,.btn-on-dark,.btn-outline-dark{width:100%;justify-content:center}
  .article-foot{flex-direction:column;align-items:stretch}
  .article-body{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn-primary-x:hover,.btn-ghost:hover,.btn-on-dark:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#3A2E5C;
  --ink-2:#6B5AA8;
  --amber:#D97A3D;
  --jade:#2E9E86;
  --deep:#1B1830;
  --bg:#F7F4EF;
  --bg-alt:#FFFFFF;
  --card:#FFFFFF;
  --line:#E6E0D6;
  --text:#23202B;
  --muted:#6B6675;
  --grad:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 52%,#D97A3D 100%);
  --grad-soft:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 100%);
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(27,24,48,.04), 0 8px 24px rgba(27,24,48,.06);
  --sh-2:0 16px 40px rgba(27,24,48,.12);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--amber)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;color:var(--ink)}
h1{font-size:clamp(28px,4.2vw,44px)}
h2{font-size:clamp(22px,2.8vw,32px)}
h3{font-size:19px}
h4{font-size:16px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;box-shadow:0 0 0 4px rgba(107,90,168,.12)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.nums{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#FFFFFF;box-shadow:0 1px 0 rgba(230,224,214,1)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;flex:0 0 auto}
.brand-text{background:var(--grad-soft);-webkit-background-clip:text;background-clip:text;color:transparent}
.topbar-actions{display:flex;align-items:center;gap:12px}
.ghost-link{font-size:14px;color:var(--muted);font-weight:600}
.ghost-link:hover{color:var(--ink)}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:.25s}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.channelbar{background:#FCFAF7;border-top:1px solid var(--line);position:relative}
.channel-inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;font-size:14px;color:var(--muted);background:#F1EDE5;white-space:nowrap;transition:background .2s ease,color .2s ease}
.channel:hover{background:#E7E0D3;color:var(--ink)}
.channel.is-active{color:var(--ink);background:#EFEAF8;font-weight:700}
.channel.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:3px;width:18px;height:3px;border-radius:3px;background:var(--grad-soft)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 20px 20px}
.mobile-drawer a{display:block;padding:11px 0;font-size:15px;color:var(--ink);border-bottom:1px solid #F1EDE5;font-weight:600}
.mobile-drawer .btn-main{width:100%;margin-top:14px}
.mobile-drawer.is-open{display:block}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;
  background:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 45%,#D97A3D 100%);
  color:#fff;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 8px 20px rgba(58,46,92,.22);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px rgba(58,46,92,.28);color:#fff}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 16px rgba(58,46,92,.2)}
.btn-main.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  border:1px solid rgba(58,46,92,.3);background:#fff;color:var(--ink);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(58,46,92,.08);border-color:rgba(58,46,92,.45);color:var(--ink);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink)}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{color:var(--amber)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--amber);margin-bottom:14px;text-transform:uppercase}
.section-head{max-width:720px;margin-bottom:44px}
.section-sub{color:var(--muted);font-size:16px;margin-top:14px}

/* ---------- 分类横幅 ---------- */
.cat-banner{position:relative;display:flex;align-items:center;min-height:250px;overflow:hidden;background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.cat-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(27,24,48,.94) 0%,rgba(58,46,92,.86) 46%,rgba(107,90,168,.58) 100%)}
.cat-banner .wrap{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.cat-banner .eyebrow{color:#F0C79C}
.cat-banner h1{color:#fff;max-width:900px}
.banner-sub{color:rgba(255,255,255,.86);font-size:16px;margin-top:16px;max-width:760px}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.count-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;backdrop-filter:blur(2px);
}
.count-badge strong{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:#F5D9BE}

/* ---------- 左图右文 ---------- */
.split{display:grid;grid-template-columns:1.04fr 1fr;gap:52px;align-items:center}
.split-media{position:relative;margin:0;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:var(--grad-soft)}
.split-media img{width:100%;height:100%;min-height:300px;object-fit:cover;border-radius:var(--r-img)}
.split-media::after{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--grad)}
.split-body p{color:var(--muted)}
.tick-list{margin-top:22px;display:grid;gap:14px}
.tick-list li{position:relative;padding-left:30px;font-size:15px;color:var(--text)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:6px;
  background:rgba(46,158,134,.14);border:1px solid rgba(46,158,134,.4);
}
.tick-list li::after{
  content:"";position:absolute;left:6px;top:10px;width:6px;height:9px;
  border-right:2px solid var(--jade);border-bottom:2px solid var(--jade);transform:rotate(40deg);
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:900px}
.timeline::before{content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,rgba(107,90,168,.45),rgba(217,122,61,.35))}
.timeline-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:24px;padding-bottom:34px}
.timeline-item:last-child{padding-bottom:0}
.timeline-index{
  position:relative;z-index:2;width:48px;height:48px;border-radius:14px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  display:grid;place-items:center;font-weight:800;font-size:16px;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.timeline-content{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 26px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease}
.timeline-content:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.timeline-content h3{margin-bottom:8px}
.timeline-content p{color:var(--muted);font-size:15px;margin:0}

/* ---------- 适用场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--grad)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-card:nth-child(even){margin-top:32px}
.scene-card h3{margin:14px 0 10px}
.scene-card p{color:var(--muted);font-size:15px;margin-bottom:16px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;background:rgba(46,158,134,.12);color:#1F7A68;border:1px solid rgba(46,158,134,.3)}
.tag.tag-amber{background:rgba(217,122,61,.12);color:#A9551F;border-color:rgba(217,122,61,.32)}
.tag.tag-ink{background:rgba(107,90,168,.12);color:#4B3D82;border-color:rgba(107,90,168,.3)}
.tip-bar{
  margin-top:44px;display:flex;gap:16px;align-items:flex-start;
  background:#FFF8F1;border:1px solid rgba(217,122,61,.28);border-radius:var(--r-md);
  padding:20px 24px;
}
.tip-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--amber);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.tip-bar p{margin:0;font-size:15px;color:#7A4A22}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 44px 22px 20px;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:var(--grad-soft);opacity:0;transition:opacity .25s ease;
}
.faq-item summary:hover{color:var(--ink-2)}
.faq-item[open] summary::before{opacity:1}
.faq-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:14px;height:14px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.faq-icon::before{left:0;right:0;top:6px;height:2px}
.faq-icon::after{top:0;bottom:0;left:6px;width:2px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 20px 24px 20px;color:var(--muted);font-size:15px}
.faq-body p{margin:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(120deg,#1B1830 0%,#3A2E5C 45%,#6B5AA8 100%);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(217,122,61,.4),transparent 68%)}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#fff}
.cta-copy p{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.privacy-note{margin-top:16px;font-size:12px;color:var(--muted);line-height:1.7}
.privacy-note a{color:var(--ink-2);text-decoration:underline;text-underline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);margin-top:0;border-top:1px solid transparent;background-image:linear-gradient(var(--deep),var(--deep)),var(--grad);background-origin:border-box;background-clip:padding-box,border-box}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(120deg,#6B5AA8,#D97A3D)}
.footer-desc{font-size:13px;color:rgba(255,255,255,.6);line-height:1.9;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.footer-col li{font-size:13px;color:rgba(255,255,255,.66)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- 弹层 ---------- */
.modal-content{border:0;border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(27,24,48,.3)}
.modal-header-strip{height:4px;background:var(--grad)}
.modal-body{padding:30px 30px 24px}
.modal-title{font-size:21px;font-weight:800;color:var(--ink)}
.modal-sub{font-size:14px;color:var(--muted);margin-top:8px}
.form-label{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-control,.form-select{
  border-radius:var(--r-input);border:1px solid var(--line);background:#FCFAF7;
  font-size:14px;padding:11px 14px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control:focus,.form-select:focus{border-color:var(--ink-2);box-shadow:0 0 0 4px rgba(107,90,168,.12);background:#fff}
.form-check-input:checked{background-color:var(--ink-2);border-color:var(--ink-2)}
.form-check-label{font-size:12px;color:var(--muted);line-height:1.7}
.form-check-label a{color:var(--ink-2);text-decoration:underline}
.modal-footer-note{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:14px 30px 22px;background:#FCFAF7}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .split{gap:40px}
}
@media (max-width:992px){
  .section{padding:64px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{min-height:240px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:768px){
  .topbar-actions{display:none}
  .menu-toggle{display:flex}
  .channelbar::before,.channelbar::after{
    content:"";position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:3;
  }
  .channelbar::before{left:0;background:linear-gradient(90deg,#FCFAF7,rgba(252,250,247,0))}
  .channelbar::after{right:0;background:linear-gradient(270deg,#FCFAF7,rgba(252,250,247,0))}
  .channel-inner{padding-right:20px}
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
  .scene-grid{grid-template-columns:1fr}
  .scene-card:nth-child(even){margin-top:0}
  .cta-band{padding:36px 26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cat-banner{min-height:230px}
  .modal-body{padding:24px 20px 18px}
  .modal-footer-note{padding:12px 20px 20px}
}
@media (max-width:576px){
  body{font-size:15px}
  .wrap{padding:0 16px}
  .brand-text{font-size:15px}
  .brand{font-size:15px}
  .cat-banner .wrap{padding-top:40px;padding-bottom:40px}
  .banner-sub{font-size:15px}
  .btn-main,.btn-ghost{width:100%}
  .cta-actions{width:100%}
  .timeline-item{grid-template-columns:38px 1fr;gap:16px}
  .timeline-index{width:38px;height:38px;border-radius:12px;font-size:14px}
  .timeline::before{left:18px}
  .timeline-content{padding:18px 20px}
  .faq-item summary{font-size:16px;padding:18px 40px 18px 16px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .scene-card:hover,.timeline-content:hover,.btn-main:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#3A2E5C;
  --primary-2:#6B5AA8;
  --amber:#D97A3D;
  --jade:#2E9E86;
  --deep:#1B1830;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E0D6;
  --ink:#23202B;
  --ink-2:#6B6675;
  --ink-3:#8B8695;
  --danger:#C0392B;
  --grad-brand:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 60%,#D97A3D 130%);
  --grad-btn:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 68%,#D97A3D 145%);
  --grad-soft:linear-gradient(135deg,rgba(58,46,92,.08) 0%,rgba(107,90,168,.10) 45%,rgba(217,122,61,.10) 100%);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,24,48,.04),0 8px 24px rgba(27,24,48,.06);
  --sh-2:0 16px 40px rgba(27,24,48,.12);
  --wrap:1200px;
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;font-weight:400;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;box-shadow:0 0 0 4px rgba(58,46,92,.12);border-radius:6px;}
.num,strong.stat{font-variant-numeric:tabular-nums;}

/* 容器 */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;}
main{display:block;}
section{padding:var(--sp) 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--primary-2);margin-bottom:14px;
}
.sec-head h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;}
.sec-head p{color:var(--ink-2);font-size:15px;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,244,239,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-top-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--primary);white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-btn);color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(58,46,92,.25);
}
.brand-grad{
  background:var(--grad-btn);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(58,46,92,.30);
  background:#fff;color:var(--primary);
  font-size:14px;font-weight:700;
  transition:background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-outline:hover{background:rgba(58,46,92,.08);border-color:rgba(58,46,92,.45);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-outline:active{transform:translateY(0);}
.hamburger{
  width:42px;height:38px;border-radius:12px;border:1px solid rgba(58,46,92,.22);
  background:#fff;display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .25s ease,opacity .25s ease;}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.channelbar{border-top:1px solid rgba(230,224,214,.7);background:#fff;position:relative;}
.channelbar::before,.channelbar::after{
  content:"";position:absolute;top:0;bottom:0;width:28px;pointer-events:none;z-index:2;opacity:0;transition:opacity .2s ease;
}
.channelbar::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.channelbar::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
.channel-inner{
  height:48px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.channel:hover{background:rgba(58,46,92,.07);color:var(--primary);}
.channel:active{background:rgba(58,46,92,.12);}
.channel.is-active{color:var(--primary);font-weight:700;background:rgba(107,90,168,.10);}
.channel.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad-btn);
}
.mobile-drawer{
  background:#fff;border-top:1px solid var(--line);
  padding:10px 20px 18px;
}
.mobile-drawer a{
  display:block;padding:11px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.mobile-drawer a:hover{background:rgba(58,46,92,.07);color:var(--primary);}
.mobile-drawer a.is-active{background:rgba(107,90,168,.10);color:var(--primary);font-weight:700;}

/* 渐变底色带 + 超大标题 */
.page-band{
  position:relative;overflow:hidden;
  padding:76px 0 72px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(217,122,61,.32),transparent 65%),
    radial-gradient(760px 400px at 88% 8%,rgba(46,158,134,.24),transparent 60%),
    linear-gradient(120deg,#2A2145 0%,#3A2E5C 42%,#6B5AA8 100%);
  color:#fff;
}
.page-band::after{
  content:"";position:absolute;inset:auto -60px -160px auto;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);
}
.band-inner{position:relative;z-index:2;max-width:900px;}
.band-inner .eyebrow{color:rgba(255,255,255,.78);}
.band-inner h1{
  font-size:clamp(34px,5.4vw,60px);
  line-height:1.14;font-weight:800;letter-spacing:-.02em;
  margin-bottom:20px;
  text-shadow:0 12px 34px rgba(12,9,26,.35);
}
.band-inner .band-sub{
  font-size:clamp(15px,1.6vw,18px);line-height:1.85;
  color:rgba(255,255,255,.86);max-width:680px;
}
.band-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.band-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
  font-size:13px;color:rgba(255,255,255,.94);
  backdrop-filter:blur(4px);
}
.band-badge i{color:#F3C08E;}

/* 提示条区 */
.notice-list{display:grid;gap:14px;}
.notice-item{
  display:flex;align-items:flex-start;gap:18px;
  padding:20px 24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#6B5AA8,#D97A3D) 1;
  border-left-style:solid;border-left-width:4px;border-image:none;
  border-left:4px solid var(--primary-2);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.notice-item:nth-child(2){border-left-color:#8B7CC4;}
.notice-item:nth-child(3){border-left-color:var(--amber);}
.notice-item:nth-child(4){border-left-color:var(--jade);}
.notice-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.notice-item .n-idx{
  font-size:13px;font-weight:800;color:var(--primary-2);
  background:rgba(107,90,168,.12);border-radius:8px;padding:4px 10px;
  font-variant-numeric:tabular-nums;flex:0 0 auto;line-height:1.6;
}
.notice-item h3{font-size:16px;margin-bottom:4px;}
.notice-item p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* 堆叠大卡 */
.stack-list{display:grid;gap:28px;}
.stack-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:0;align-items:stretch;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stack-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stack-card:nth-child(even) .stack-media{order:2;}
.stack-media{position:relative;min-height:280px;background:var(--grad-brand);overflow:hidden;}
.stack-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.stack-card:hover .stack-media img{transform:scale(1.04);}
.stack-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(27,24,48,.34),rgba(27,24,48,0) 62%);
}
.stack-body{padding:34px 34px 32px;display:flex;flex-direction:column;justify-content:center;}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 13px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
  letter-spacing:.06em;color:#1F6E5D;background:rgba(46,158,134,.13);
  border:1px solid rgba(46,158,134,.28);margin-bottom:16px;
}
.stack-body h3{font-size:clamp(19px,2.2vw,23px);margin-bottom:12px;}
.stack-body > p{font-size:15px;color:var(--ink-2);margin-bottom:18px;}
.check-list{display:grid;gap:10px;}
.check-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;
  background:var(--grad-btn);
}

/* 步骤条 */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 24px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(107,90,168,.35);}
.step::before{
  content:"";position:absolute;top:52px;left:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(107,90,168,.25),#6B5AA8);
}
.step:first-child::before{display:none;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background:rgba(107,90,168,.12);color:var(--primary);
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h4{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* 数据徽章 */
.stats-block{
  background:linear-gradient(180deg,rgba(107,90,168,.07),rgba(217,122,61,.05));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stats-row{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;}
.stat-badge{
  flex:1 1 210px;min-width:200px;text-align:center;
  padding:26px 24px;border-radius:var(--r-pill);
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-btn) border-box;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-badge strong{
  display:block;font-size:34px;font-weight:800;line-height:1.15;
  background:var(--grad-btn);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-badge span{display:block;margin-top:8px;font-size:12px;color:var(--ink-2);letter-spacing:.04em;}
.stats-note{text-align:center;font-size:12px;color:var(--ink-3);margin-top:20px;}

/* FAQ */
.faq-list{max-width:900px;}
.faq-item{
  border:0;border-bottom:1px solid var(--line);
  background:transparent;padding:0;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;gap:14px;
  padding:22px 46px 22px 20px;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-btn);transform:scaleY(0);transform-origin:top;transition:transform .28s ease;
}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:600;color:var(--primary-2);line-height:1;
  transition:transform .28s ease,color .2s ease;
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item[open] summary::after{content:"+";transform:translateY(-50%) rotate(45deg);color:var(--amber);}
.faq-item summary:hover{background:rgba(107,90,168,.05);}
.faq-body{padding:0 46px 24px 20px;}
.faq-body p{font-size:15px;color:var(--ink-2);line-height:1.85;}

/* CTA */
.cta-band{padding:0 0 var(--sp);}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:24px;padding:52px 48px;
  background:
    radial-gradient(560px 320px at 88% 0%,rgba(217,122,61,.34),transparent 62%),
    linear-gradient(120deg,#2A2145 0%,#3A2E5C 45%,#6B5AA8 100%);
  color:#fff;box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.84);max-width:620px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 34px;border-radius:var(--r-pill);
  background:var(--grad-btn);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 26px rgba(58,46,92,.32);
  transition:filter .22s ease,transform .22s ease,box-shadow .22s ease;
  flex:0 0 auto;
}
.btn-main:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 16px 34px rgba(58,46,92,.42);}
.btn-main:active{transform:translateY(0);}
.btn-main i{transition:transform .22s ease;}
.btn-main:hover i{transform:translateX(4px);}
.privacy-note{
  margin-top:18px;font-size:12px;color:var(--ink-3);line-height:1.8;
}
.privacy-note a{color:var(--primary-2);border-bottom:1px solid rgba(107,90,168,.4);}
.privacy-note a:hover{color:var(--primary);border-bottom-color:var(--primary);}

/* 弹层 */
.modal-content{
  border:0;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 28px 70px rgba(27,24,48,.28);
  font-family:inherit;
}
.modal-topline{height:4px;background:var(--grad-btn);}
.modal-body{padding:32px 32px 26px;background:#fff;}
.modal-body h3{font-size:21px;margin-bottom:8px;}
.modal-body .modal-sub{font-size:14px;color:var(--ink-2);margin-bottom:24px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:7px;}
.form-field.full{grid-column:1 / -1;}
.form-field label{font-size:13px;font-weight:700;color:var(--ink-2);}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:11px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FCFBF8;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field input:hover,.form-field select:hover,.form-field textarea:hover{border-color:rgba(107,90,168,.45);}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;background:#fff;border:2px solid var(--primary-2);
  box-shadow:0 0 0 4px rgba(58,46,92,.12);padding:10px 13px;
}
.form-field textarea{resize:vertical;min-height:96px;}
.form-foot{grid-column:1 / -1;display:flex;align-items:flex-start;gap:10px;font-size:12px;color:var(--ink-3);line-height:1.7;}
.form-foot input[type="checkbox"]{margin-top:3px;width:16px;height:16px;accent-color:#3A2E5C;flex:0 0 auto;}
.form-foot a{color:var(--primary-2);border-bottom:1px solid rgba(107,90,168,.4);}
.btn-submit{
  grid-column:1 / -1;width:100%;padding:14px 20px;border-radius:var(--r-pill);
  background:var(--grad-btn);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 24px rgba(58,46,92,.28);
  transition:filter .22s ease,transform .22s ease;
}
.btn-submit:hover{filter:brightness(1.06);transform:translateY(-1px);}
.form-tip{
  grid-column:1 / -1;margin-top:4px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(46,158,134,.10);border:1px solid rgba(46,158,134,.28);
  color:#1F6E5D;font-size:13px;
}

/* 页脚 */
.site-footer{
  background:var(--deep);color:#fff;position:relative;
  padding:64px 0 26px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(107,90,168,0),#6B5AA8 40%,#D97A3D 100%);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;}
.footer-desc{font-size:13px;color:rgba(255,255,255,.62);line-height:1.85;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.92);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:13px;color:rgba(255,255,255,.58);line-height:1.7;}
.footer-col a{font-size:13px;color:rgba(255,255,255,.58);transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* 响应式 */
@media (max-width:1199.98px){
  :root{--sp:76px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media (max-width:991.98px){
  :root{--sp:64px;}
  .page-band{padding:60px 0 56px;}
  .stack-card{grid-template-columns:1fr;}
  .stack-card:nth-child(even) .stack-media{order:0;}
  .stack-media{min-height:220px;}
  .stack-body{padding:28px 26px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(3)::before{display:none;}
  .cta-inner{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  :root{--sp:52px;}
  .wrap{padding:0 16px;}
  .header-actions .btn-outline{display:none;}
  .hamburger{display:inline-flex;}
  .channelbar::before,.channelbar::after{opacity:1;}
  .band-inner h1{font-size:clamp(28px,7.6vw,40px);}
  .steps{grid-template-columns:1fr;}
  .step::before{display:none;}
  .stats-row{gap:12px;}
  .stat-badge{flex:1 1 100%;}
  .faq-item summary{font-size:15.5px;padding:18px 42px 18px 16px;}
  .faq-body{padding:0 42px 20px 16px;}
  .cta-inner{padding:32px 22px;border-radius:20px;}
  .btn-main{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .brand{font-size:15.5px;}
  .notice-item{flex-direction:column;gap:10px;padding:18px;}
  .stack-body{padding:24px 20px;}
  .modal-body{padding:24px 20px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
/* ================= 设计变量 ================= */
:root{
  --c-primary:#3A2E5C;
  --c-primary-2:#6B5AA8;
  --c-accent:#D97A3D;
  --c-jade:#2E9E86;
  --c-deep:#1B1830;
  --c-bg:#F7F4EF;
  --c-card:#FFFFFF;
  --c-line:#E6E0D6;
  --c-ink:#23202B;
  --c-ink-2:#6B6675;
  --c-danger:#C0392B;
  --grad-brand:linear-gradient(120deg,#3A2E5C 0%,#6B5AA8 100%);
  --grad-cta:linear-gradient(120deg,#3A2E5C 0%,#D97A3D 100%);
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-in:10px;
  --sh-1:0 1px 2px rgba(27,24,48,.04),0 8px 24px rgba(27,24,48,.06);
  --sh-2:0 16px 40px rgba(27,24,48,.12);
  --sec-gap:88px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary-2);outline-offset:2px;box-shadow:0 0 0 4px rgba(107,90,168,.12);border-radius:6px;}
.grad-text{background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent;}
.num{font-variant-numeric:tabular-nums;}

/* ================= 容器 ================= */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}

/* ================= 顶部品牌行 ================= */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(247,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.topbar{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-cta);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(58,46,92,.22);
  flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.topbar-note{font-size:13px;color:var(--c-ink-2);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  font-size:18px;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:#F1ECE4;border-color:#D6CDBE;}

/* ================= 频道行 ================= */
.channelbar{position:relative;background:#fff;border-bottom:1px solid var(--c-line);z-index:1030;}
.channel-inner{
  height:50px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;position:relative;
  padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--c-ink-2);background:#F3F0EA;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.channel:hover{background:#EAE4DA;color:var(--c-primary);}
.channel.is-active{background:#fff;color:var(--c-primary);font-weight:700;box-shadow:var(--sh-1);}
.channel.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:3px;
  border-radius:3px;background:var(--grad-cta);
}

/* ================= 按钮 ================= */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border:none;border-radius:999px;
  background:var(--grad-cta);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 8px 22px rgba(58,46,92,.22);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-main:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--sh-2);color:#fff;}
.btn-main:active{transform:translateY(0);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;
  background:#fff;border:1px solid rgba(58,46,92,.3);
  color:var(--c-primary);font-weight:700;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{background:rgba(58,46,92,.08);border-color:rgba(58,46,92,.5);transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-primary-2);
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(4px);}
.link-arrow:hover{color:var(--c-accent);}

/* ================= 内页头部 ================= */
.page-head{padding:44px 0 56px;}
.crumbs{font-size:13px;color:var(--c-ink-2);margin-bottom:20px;}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{margin:0 8px;color:#C4BCAE;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--c-accent);font-weight:700;margin-bottom:12px;
}
.page-head h1{font-size:clamp(28px,4.2vw,42px);margin-bottom:16px;}
.page-head .lead{font-size:17px;color:var(--c-ink-2);max-width:640px;margin-bottom:26px;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:999px;background:#fff;
  border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--c-jade);display:inline-block;}
.head-figure{
  margin:0;border-radius:var(--r-lg);overflow:hidden;
  background:var(--grad-brand);box-shadow:var(--sh-1);
  aspect-ratio:4/3;
}
.head-figure img{width:100%;height:100%;object-fit:cover;}

/* ================= 文档双列布局 ================= */
.section{padding:var(--sec-gap) 0;}
.section-tight{padding:64px 0;}
.doc-layout{align-items:flex-start;}
.doc-nav{position:sticky;top:132px;}
.doc-nav-title{
  font-size:12px;letter-spacing:.18em;color:var(--c-ink-2);
  font-weight:700;margin:0 0 12px 16px;
}
.doc-link{
  display:block;padding:10px 14px 10px 16px;
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  font-size:14.5px;color:var(--c-ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.doc-link:hover{background:#EFEAE1;color:var(--c-primary);}
.doc-link.is-active{
  border-left-color:var(--c-accent);background:#fff;
  color:var(--c-primary);font-weight:700;box-shadow:var(--sh-1);
}
.doc-note{
  margin-top:20px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-1);
}
.doc-note h4{font-size:15px;margin-bottom:8px;}
.doc-note p{font-size:13.5px;color:var(--c-ink-2);margin-bottom:12px;}

.doc-block{margin-bottom:64px;scroll-margin-top:140px;}
.doc-block:last-child{margin-bottom:0;}
.doc-block > h2{font-size:clamp(22px,2.8vw,30px);margin:8px 0 16px;}
.doc-block > p{color:var(--c-ink-2);margin-bottom:22px;}

/* 双列要点 */
.dual-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0;}
.point{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.point:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.point h4{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.point h4::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--grad-cta);flex:0 0 auto;
}
.point p{font-size:14px;color:var(--c-ink-2);}

/* 分步列表 */
.steps{margin-top:26px;}
.steps li{position:relative;padding:0 0 26px 56px;}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:38px;height:38px;border-radius:12px;
  background:#fff;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;color:var(--c-primary);font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.steps{counter-reset:step;}
.steps li::after{
  content:"";position:absolute;left:18px;top:46px;bottom:8px;width:1px;background:var(--c-line);
}
.steps li:last-child::after{display:none;}
.steps li h3{font-size:17px;margin-bottom:6px;}
.steps li p{font-size:14.5px;color:var(--c-ink-2);}

/* 折叠详情 */
.folds{margin-top:10px;border-top:1px solid var(--c-line);}
.fold{border-bottom:1px solid var(--c-line);}
.fold summary{
  list-style:none;cursor:pointer;position:relative;
  padding:16px 34px 16px 18px;
  font-size:15.5px;font-weight:700;color:var(--c-ink);
  display:flex;align-items:flex-start;gap:10px;
  transition:color .2s ease;
}
.fold summary::-webkit-details-marker{display:none;}
.fold summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:3px;background:var(--grad-cta);opacity:0;transition:opacity .25s ease;
}
.fold summary::after{
  content:"+";position:absolute;right:8px;top:15px;
  font-size:18px;font-weight:700;color:var(--c-primary-2);
  transition:transform .25s ease,color .25s ease;
}
.fold[open] summary{color:var(--c-primary);}
.fold[open] summary::before{opacity:1;}
.fold[open] summary::after{content:"−";transform:rotate(180deg);color:var(--c-accent);}
.fold summary:hover{color:var(--c-primary-2);}
.fold-body{padding:0 34px 18px 18px;font-size:14.5px;color:var(--c-ink-2);}
.fold-body p + p{margin-top:10px;}

/* 数据徽章 */
.metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:34px 0 8px;
}
.metric{
  border-radius:999px;padding:16px 20px;text-align:center;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-cta);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-1);
}
.metric-num{
  display:block;font-size:30px;font-weight:800;line-height:1.1;
  background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.metric-label{display:block;font-size:12px;color:var(--c-ink-2);margin-top:6px;}

/* 对比小卡 */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px;}
.compare-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 26px 28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--c-jade);
}
.compare-card.is-accent::before{background:var(--grad-cta);}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.compare-card h3{font-size:18px;margin:6px 0 14px;}
.compare-card ul{margin-bottom:16px;}
.compare-card li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--c-ink-2);margin-bottom:8px;
}
.compare-card li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--c-jade);
}
.compare-card.is-accent li::before{background:var(--c-accent);}
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(46,158,134,.12);color:#1F7A67;
}
.tag-accent{background:rgba(217,122,61,.14);color:#A9541F;}

/* ================= CTA 条 ================= */
.cta-band{position:relative;overflow:hidden;background:var(--c-deep);}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(27,24,48,.94) 0%,rgba(58,46,92,.82) 55%,rgba(217,122,61,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-inner{
  position:relative;z-index:2;padding:56px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;max-width:560px;}
.privacy-note{
  position:relative;z-index:2;padding:0 20px 26px;
  font-size:12px;color:rgba(255,255,255,.6);
}
.privacy-note a{color:rgba(255,255,255,.85);text-decoration:underline;text-underline-offset:3px;}
.privacy-note a:hover{color:#fff;}

/* ================= 表单弹层 ================= */
.guide-modal{
  border:none;border-radius:var(--r-lg);overflow:hidden;position:relative;
  box-shadow:0 24px 60px rgba(27,24,48,.28);
}
.guide-modal::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-cta);z-index:2;
}
.guide-modal .modal-header{border-bottom:1px solid var(--c-line);padding:22px 26px 16px;}
.guide-modal .modal-title{font-size:19px;font-weight:800;color:var(--c-primary);}
.guide-modal .modal-body{padding:20px 26px 26px;}
.modal-sub{font-size:14px;color:var(--c-ink-2);margin-bottom:20px;}
.guide-form .form-label{font-size:13px;font-weight:700;color:var(--c-ink-2);margin-bottom:6px;}
.guide-form .form-control,
.guide-form .form-select{
  border:1px solid var(--c-line);border-radius:var(--r-in);
  padding:10px 14px;font-size:14.5px;background:#FBFAF7;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.guide-form .form-control:focus,
.guide-form .form-select:focus{
  border-color:var(--c-primary-2);background:#fff;
  box-shadow:0 0 0 4px rgba(107,90,168,.12);outline:none;
}
.guide-form .form-control::placeholder{color:#A9A2B2;}
.privacy-check{margin:18px 0 16px;font-size:12.5px;color:var(--c-ink-2);}
.privacy-check .form-check-input{margin-top:.35em;border-color:#CFC7BB;}
.privacy-check .form-check-input:checked{background-color:var(--c-primary-2);border-color:var(--c-primary-2);}
.privacy-check a{color:var(--c-primary-2);text-decoration:underline;text-underline-offset:3px;}
.form-tip{font-size:12px;color:var(--c-ink-2);text-align:center;margin-top:12px;}

/* ================= 页脚 ================= */
.site-footer{background:var(--c-deep);color:#fff;position:relative;padding-top:64px;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-cta);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;}
.footer-brand span:last-child{font-size:17px;font-weight:800;color:#fff;}
.footer-desc{font-size:13px;color:rgba(255,255,255,.6);max-width:320px;line-height:1.85;}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.92);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.6);}
.footer-col ul li a{color:rgba(255,255,255,.6);}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ================= 响应式 ================= */
@media (max-width:1199.98px){
  :root{--sec-gap:76px;}
}
@media (max-width:991.98px){
  :root{--sec-gap:60px;}
  .page-head{padding:32px 0 40px;}
  .head-figure{aspect-ratio:16/9;}
  .doc-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:10px;margin-bottom:28px;scrollbar-width:none;}
  .doc-nav::-webkit-scrollbar{display:none;}
  .doc-nav-title{display:none;}
  .doc-link{border-left:none;border-radius:999px;background:#F1ECE4;white-space:nowrap;padding:8px 16px;font-size:13.5px;}
  .doc-link.is-active{border-left:none;background:var(--c-primary);color:#fff;box-shadow:0 8px 18px rgba(58,46,92,.2);}
  .doc-note{display:none;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .nav-toggle{display:inline-flex;}
  .topbar-cta{display:none;}
  .topbar-note{display:none;}
  .channelbar::before,.channelbar::after{
    content:"";position:absolute;top:0;bottom:0;width:20px;pointer-events:none;z-index:2;
  }
  .channelbar::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
  .channelbar::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}
  .channelbar.is-open .channel-inner{flex-direction:column;align-items:stretch;height:auto;padding:12px 0;}
  .channelbar.is-open .channel{text-align:center;background:#F3F0EA;}
  .channelbar.is-open .channel.is-active{background:var(--c-primary);color:#fff;}
  .channelbar.is-open .channel.is-active::after{display:none;}
  .dual-points{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .cta-inner{padding:44px 16px;flex-direction:column;align-items:flex-start;}
  .privacy-note{padding:0 16px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .page-head h1{font-size:26px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;}
  .head-actions{flex-direction:column;align-items:stretch;}
  .head-actions .btn-main,.head-actions .btn-line{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .steps li{padding-left:48px;}
  .steps li::before{width:34px;height:34px;}
  .steps li::after{left:16px;}
  .btn-main,.btn-line{width:100%;}
}

/* ================= 动效与可访问性 ================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .point:hover,.compare-card:hover,.btn-main:hover{transform:none;}
}
img.img-fallback{opacity:0;}