/* roulang page: index */
:root{
  --brand:#e8663d;
  --brand-600:#cf5028;
  --brand-50:#fdf0ea;
  --accent:#2f9e7d;
  --accent-600:#237a60;
  --accent-50:#e9f6f1;
  --ink:#12211d;
  --ink-2:#3b4c47;
  --muted:#6d7c76;
  --line:#e8e2d9;
  --line-2:#f1ece4;
  --bg:#fffdf9;
  --bg-2:#f8f5ef;
  --white:#ffffff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:28px;
  --shadow-s:0 1px 2px rgba(18,33,29,.05), 0 6px 18px rgba(18,33,29,.06);
  --shadow:0 16px 44px rgba(18,33,29,.10);
  --shadow-l:0 28px 70px rgba(18,33,29,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,102,61,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tint{background:var(--bg-2)}
.section--dark{background:#12211d;color:#e9f2ee}
.section-head{max-width:720px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand-600);
  background:var(--brand-50);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(232,102,61,.16);color:#ffb69c}
.section-title{font-size:clamp(25px,3.1vw,38px);line-height:1.28;letter-spacing:-.01em;font-weight:800}
.section-sub{margin-top:16px;color:var(--muted);font-size:16.5px}
.section--dark .section-sub{color:#9fb4ac}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(232,102,61,.28)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,102,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(47,158,125,.26)}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(18,33,29,.04)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-line-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,253,249,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#f0916b);
  color:#fff;display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 8px 18px rgba(232,102,61,.3);
}
.logo-text{font-size:19px;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* hero */
.hero{
  position:relative;
  background-image:linear-gradient(115deg, rgba(10,26,22,.90) 0%, rgba(12,32,27,.76) 46%, rgba(18,33,29,.42) 100%), url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:96px 0 84px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:auto 0 -1px 0;height:90px;
  background:linear-gradient(to bottom, rgba(255,253,249,0), var(--bg));
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
  padding:7px 16px;
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
  margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#7fe0bb;display:block}
.hero h1{
  font-size:clamp(34px,5.2vw,60px);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:900;
}
.hero h1 em{font-style:normal;color:#ffb69c}
.hero-lead{margin-top:24px;font-size:17.5px;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.hero-meta div strong{display:block;font-size:24px;font-weight:800;letter-spacing:-.01em}
.hero-meta div span{font-size:13.5px;color:rgba(255,255,255,.7)}
.hero-visual{position:relative;min-height:420px}
.hero-visual .shot-main{
  width:100%;height:380px;object-fit:cover;
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-l);
  border:1px solid rgba(255,255,255,.18);
}
.hero-visual .shot-sub{
  position:absolute;right:-14px;bottom:-30px;
  width:64%;height:186px;object-fit:cover;
  border-radius:22px;
  border:5px solid var(--bg);
  box-shadow:var(--shadow-l);
}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:34px;
  background:rgba(255,255,255,.96);
  color:var(--ink);
  border-radius:16px;
  padding:14px 18px;
  box-shadow:var(--shadow);
  font-size:13.5px;
  line-height:1.5;
  max-width:210px;
}
.hero-visual .float-card strong{display:block;font-size:15px;margin-bottom:2px}

/* trust bar */
.trust-bar{background:var(--white);border-bottom:1px solid var(--line-2)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{padding:32px 26px;border-right:1px solid var(--line-2)}
.trust-item:last-child{border-right:none}
.trust-item strong{display:block;font-size:30px;font-weight:900;color:var(--brand);letter-spacing:-.02em;line-height:1.2}
.trust-item span{display:block;margin-top:6px;font-size:14.5px;color:var(--muted)}

/* pillars */
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pillar{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px 30px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pillar:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ded6c9}
.pillar-icon{
  width:50px;height:50px;border-radius:15px;
  display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);
  font-size:22px;font-weight:800;margin-bottom:20px;
}
.pillar:nth-child(2) .pillar-icon{background:var(--accent-50);color:var(--accent-600)}
.pillar:nth-child(3) .pillar-icon{background:#eef2fb;color:#3f5fbe}
.pillar h3{font-size:19.5px;font-weight:800;letter-spacing:-.01em}
.pillar p{margin-top:12px;color:var(--muted);font-size:15.5px}

/* channel */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.channel-card{
  display:block;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.channel-thumb{position:relative;height:196px;overflow:hidden}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.channel-card:hover .channel-thumb img{transform:scale(1.06)}
.channel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,33,29,0) 40%,rgba(18,33,29,.62))}
.channel-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--ink);
  font-size:12.5px;font-weight:700;border-radius:999px;padding:5px 12px;
}
.channel-body{padding:24px 26px 28px}
.channel-body h3{font-size:20px;font-weight:800}
.channel-body p{margin-top:10px;color:var(--muted);font-size:15px}
.channel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  font-size:12.5px;font-weight:600;
  background:var(--bg-2);color:var(--ink-2);
  border-radius:999px;padding:5px 12px;
  border:1px solid var(--line-2);
}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:700;font-size:14.5px;color:var(--brand-600)}
.channel-card:hover .channel-more{gap:12px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 26px 30px;
  box-shadow:var(--shadow-s);
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:14px;font-weight:800;letter-spacing:.12em;
  color:var(--brand);margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:800}
.step p{margin-top:10px;color:var(--muted);font-size:15px}

/* scenes */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene:hover{transform:translateY(-4px);border-color:#dfd6c8;box-shadow:var(--shadow-s)}
.scene-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.scene-dot{width:40px;height:40px;border-radius:13px;background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;font-weight:800;font-size:17px}
.scene:nth-child(even) .scene-dot{background:var(--accent-50);color:var(--accent-600)}
.scene h3{font-size:17.5px;font-weight:800}
.scene p{color:var(--muted);font-size:15px}
.scene-foot{margin-top:16px;font-size:13.5px;color:var(--ink-2);font-weight:600;border-top:1px dashed var(--line);padding-top:14px}

/* feed */
.feed-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.feed-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feed-card{
  display:block;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 28px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ded6c9}
.feed-card-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.feed-cat{
  font-size:12.5px;font-weight:700;
  background:var(--accent-50);color:var(--accent-600);
  border-radius:999px;padding:5px 12px;
}
.feed-date{font-size:13px;color:var(--muted)}
.feed-card h3{font-size:18.5px;font-weight:800;line-height:1.45}
.feed-card p{margin-top:10px;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-card .feed-go{margin-top:16px;font-size:14px;font-weight:700;color:var(--brand-600)}
.feed-empty{
  grid-column:1 / -1;
  background:var(--white);
  border:1px dashed var(--line);
  border-radius:var(--radius);
  padding:56px 24px;
  text-align:center;
  color:var(--muted);
}

/* story */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-media{position:relative}
.story-media img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-l);box-shadow:var(--shadow)}
.story-media .story-note{
  position:absolute;left:26px;bottom:-26px;
  background:#fff;border-radius:16px;padding:16px 20px;
  box-shadow:var(--shadow);font-size:14px;max-width:250px;line-height:1.6;
}
.story-media .story-note strong{color:var(--brand-600)}
.story-list{margin-top:26px;display:grid;gap:16px}
.story-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2)}
.story-list li b{color:var(--brand);font-weight:800}

/* rules */
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.rule{
  border-radius:var(--radius);
  padding:30px 26px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.rule h3{font-size:17px;font-weight:800;color:#fff}
.rule p{margin-top:10px;font-size:14.5px;color:#a7bcb4}
.rule .rule-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:#ffb69c;margin-bottom:12px;display:block}

/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 28px;
  box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;
}
.voice p{font-size:15.5px;color:var(--ink-2);flex:1}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line-2)}
.voice-avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;font-weight:800}
.voice:nth-child(2) .voice-avatar{background:var(--accent-50);color:var(--accent-600)}
.voice:nth-child(3) .voice-avatar{background:#eef2fb;color:#3f5fbe}
.voice-who strong{display:block;font-size:15px}
.voice-who span{font-size:13px;color:var(--muted)}

/* faq */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#ded6c9;box-shadow:var(--shadow-s)}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:22px 26px;
  font-size:17px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  font-size:22px;font-weight:400;color:var(--brand);line-height:1;flex-shrink:0;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 26px 24px;color:var(--muted);font-size:15.5px}

/* cta */
.cta{
  background-image:linear-gradient(120deg, rgba(10,26,22,.92), rgba(20,44,37,.78)), url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  border-radius:var(--radius-l);
  padding:64px 56px;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:44px;
  align-items:center;
  box-shadow:var(--shadow);
}
.cta h2{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.3;letter-spacing:-.01em}
.cta p{margin-top:16px;color:rgba(255,255,255,.82);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.62)}

/* footer */
.site-footer{background:#0f1d19;color:#9db1a9;padding:70px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;max-width:330px;color:#8ea49b}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px}
.footer-col a{display:block;font-size:14.5px;padding:6px 0;color:#9db1a9;transition:color .18s ease}
.footer-col a:hover{color:#ffb69c}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:26px 0 34px;font-size:13.5px;color:#7e9289}
.footer-bottom a{color:#9db1a9}
.footer-bottom a:hover{color:#ffb69c}

@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{min-height:auto}
  .hero-visual .shot-main{height:320px}
  .hero-visual .shot-sub{position:static;width:100%;height:200px;margin-top:16px;border-width:0;border-radius:22px}
  .hero-visual .float-card{left:16px;bottom:auto;top:250px}
  .pillar-grid,.channel-grid,.scene-grid,.voice-grid{grid-template-columns:repeat(2,1fr)}
  .steps,.rule-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(2){border-right:none}
  .trust-item{border-bottom:1px solid var(--line-2)}
  .story-grid{grid-template-columns:1fr;gap:56px}
  .cta{grid-template-columns:1fr;padding:52px 40px}
}
@media (max-width:900px){
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:#fff;padding:14px 24px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);display:none;gap:4px;
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
  .header-inner{gap:16px}
  .nav{margin-left:0}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .container{padding:0 18px}
  .feed-list{grid-template-columns:1fr}
  .pillar-grid,.channel-grid,.scene-grid,.voice-grid,.steps,.rule-grid{grid-template-columns:1fr}
  .hero{padding:70px 0 64px}
  .hero-meta{gap:20px}
  .hero-meta div strong{font-size:21px}
  .feed-head{flex-direction:column;align-items:flex-start}
  .story-media img{height:300px}
  .faq-item summary{padding:18px 20px;font-size:16px}
  .faq-item .faq-body{padding:0 20px 20px}
  .cta{padding:42px 26px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .logo-text{font-size:17px}
  .hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-visual .shot-main{height:230px}
  .hero-visual .shot-sub{height:160px}
  .hero-visual .float-card{position:static;margin-top:16px;max-width:none}
  .trust-item{padding:24px 18px}
  .trust-item strong{font-size:25px}
  .section-title{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --brand:#e8663d;
  --brand-600:#cf5028;
  --brand-50:#fdf0ea;
  --accent:#2f9e7d;
  --accent-600:#237a60;
  --accent-50:#e9f6f1;
  --ink:#12211d;
  --ink-2:#3b4c47;
  --muted:#6d7c76;
  --line:#e8e2d9;
  --line-2:#f1ece4;
  --bg:#fffdf9;
  --bg-2:#f8f5ef;
  --white:#ffffff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:28px;
  --shadow-s:0 1px 2px rgba(18,33,29,.05), 0 6px 18px rgba(18,33,29,.06);
  --shadow:0 16px 44px rgba(18,33,29,.10);
  --shadow-l:0 28px 70px rgba(18,33,29,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,102,61,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--tint{background:var(--bg-2)}
.section--tight{padding-top:60px}
.section-head{max-width:760px;margin-bottom:42px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand-600);
  background:var(--brand-50);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.3}
.section-sub{margin-top:14px;color:var(--muted);font-size:16.5px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(232,102,61,.28)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,102,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(18,33,29,.04)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-line-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:var(--accent-50);color:var(--accent-600);
  font-size:13px;font-weight:700;
}
.tag--brand{background:var(--brand-50);color:var(--brand-600)}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,253,249,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#f0916b);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:0 8px 18px rgba(232,102,61,.3);
}
.logo-text{font-size:19px;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-2);transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* article hero */
.article-hero{
  position:relative;color:#fff;padding:56px 0 68px;overflow:hidden;
  background-image:linear-gradient(115deg, rgba(10,26,22,.93) 0%, rgba(12,32,27,.78) 52%, rgba(18,33,29,.52) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:20px}
.breadcrumb span.sep{opacity:.5}
.breadcrumb a:hover{color:#fff}
.article-hero h1{
  font-size:clamp(27px,4vw,46px);line-height:1.22;letter-spacing:-.02em;font-weight:900;
  max-width:900px;color:#fff;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;margin-bottom:20px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#7fe0bb;display:block}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:999px;padding:7px 15px;font-size:13.5px;color:rgba(255,255,255,.9);
}
.meta-chip b{font-weight:700;color:#fff}
/* article layout */
.article-main{padding:64px 0 84px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:40px;align-items:start}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:44px;box-shadow:var(--shadow-s);
}
.article-content{font-size:17px;line-height:1.95;color:var(--ink-2)}
.article-content > *:first-child{margin-top:0}
.article-content h2{font-size:25px;color:var(--ink);margin:38px 0 14px;padding-left:16px;border-left:4px solid var(--brand);line-height:1.4}
.article-content h3{font-size:20px;color:var(--ink);margin:30px 0 12px}
.article-content h4{font-size:17.5px;color:var(--ink);margin:24px 0 10px}
.article-content p{margin:0 0 18px}
.article-content ul,.article-content ol{list-style:disc;padding-left:24px;margin:0 0 20px}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:9px}
.article-content img{border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow-s)}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--accent-50);
  border-left:4px solid var(--accent);border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--ink-2);font-size:16.5px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content a{color:var(--brand-600);font-weight:600;border-bottom:1px solid rgba(232,102,61,.35)}
.article-content a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-content th{background:var(--bg-2);color:var(--ink);font-weight:700}
.article-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-l);
  padding:56px 40px;text-align:center;box-shadow:var(--shadow-s);
}
.article-empty h2{font-size:24px;color:var(--ink)}
.article-empty p{margin:14px auto 26px;color:var(--muted);max-width:520px}
/* sidebar */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-s);margin-bottom:22px;
}
.side-card + .side-card{margin-top:0}
.side-title{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-title::before{content:"";width:6px;height:18px;border-radius:6px;background:var(--brand);display:block}
.side-list li{
  display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed var(--line-2);
  font-size:15px;color:var(--ink-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li b{color:var(--brand-600);font-weight:800;flex-shrink:0}
.side-card--accent{background:linear-gradient(160deg,#123028,#1c4438);color:#eaf5f0;border-color:transparent;box-shadow:var(--shadow)}
.side-card--accent .side-title{color:#fff}
.side-card--accent .side-title::before{background:#7fe0bb}
.side-card--accent p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:18px}
.side-card--accent .btn{width:100%}
/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ded5c8}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.info-card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:11px;flex:1}
.card-body h3{font-size:19px}
.card-body p{color:var(--muted);font-size:15px;line-height:1.8}
.card-body .tag{align-self:flex-start}
/* channel matrix */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-item{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.channel-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(232,102,61,.5)}
.channel-item .num{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--brand-600)}
.channel-item h3{font-size:20px}
.channel-item p{color:var(--muted);font-size:15px}
.channel-item .more{margin-top:auto;font-weight:700;font-size:14.5px;color:var(--accent-600);display:inline-flex;align-items:center;gap:6px}
.channel-item:hover .more{color:var(--accent)}
/* rules */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.rule-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 24px;box-shadow:var(--shadow-s);
  transition:box-shadow .2s ease, transform .2s ease;
}
.rule-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.rule-item h3{font-size:18px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.rule-item h3 span{
  width:28px;height:28px;border-radius:9px;background:var(--brand-50);color:var(--brand-600);
  display:grid;place-items:center;font-size:14px;font-weight:800;flex-shrink:0;
}
.rule-item p{color:var(--muted);font-size:15px}
/* faq */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0 26px;box-shadow:var(--shadow-s);transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(232,102,61,.45);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:22px 34px 22px 0;position:relative;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:var(--brand);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 0 22px;color:var(--muted);font-size:15.5px;max-width:760px}
/* cta */
.cta-band{
  position:relative;color:#fff;border-radius:var(--radius-l);overflow:hidden;
  padding:56px 52px;
  background-image:linear-gradient(120deg, rgba(10,26,22,.94), rgba(18,33,29,.72)), url('/assets/images/backpic/back-6.webp');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:center;
  box-shadow:var(--shadow-l);
}
.cta-band h2{font-size:clamp(23px,2.8vw,32px);line-height:1.3;color:#fff}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.82);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
/* footer */
.site-footer{background:#12211d;color:#c7d5cf;padding:66px 0 30px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px}
.footer-brand .logo{margin-bottom:18px;color:#fff}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand p{font-size:14.5px;color:#93a8a1;max-width:340px;line-height:1.85}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;color:#a8bcb5;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8ba09a;
}
/* responsive */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .card-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:46px 36px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:880px){
  .section{padding:64px 0}
  .article-main{padding:48px 0 66px}
  .article-card{padding:30px 24px;border-radius:var(--radius)}
  .nav{
    position:absolute;top:74px;left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:4px;padding:14px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);margin-left:0;
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:768px){
  .card-grid,.channel-grid,.rule-grid{grid-template-columns:1fr}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:22px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .article-hero{padding:40px 0 52px}
  .article-card{padding:24px 18px}
  .cta-band{padding:34px 22px;border-radius:var(--radius)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .header-inner{gap:12px}
  .logo-text{font-size:17px}
  .btn{padding:12px 20px;font-size:15px}
}

/* roulang page: category1 */
:root{
  --brand:#e8663d;
  --brand-600:#cf5028;
  --brand-50:#fdf0ea;
  --accent:#2f9e7d;
  --accent-600:#237a60;
  --accent-50:#e9f6f1;
  --ink:#12211d;
  --ink-2:#3b4c47;
  --muted:#6d7c76;
  --line:#e8e2d9;
  --line-2:#f1ece4;
  --bg:#fffdf9;
  --bg-2:#f8f5ef;
  --white:#ffffff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:28px;
  --shadow-s:0 1px 2px rgba(18,33,29,.05), 0 6px 18px rgba(18,33,29,.06);
  --shadow:0 16px 44px rgba(18,33,29,.10);
  --shadow-l:0 28px 70px rgba(18,33,29,.16);
  --max:1180px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,102,61,.45);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tint{background:var(--bg-2)}
.section--dark{background:#12211d;color:#e9f2ee}
.section--tight{padding:64px 0}
.section-head{max-width:740px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);background:var(--brand-50);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(232,102,61,.16);color:#ffb69c}
.section-title{font-size:clamp(25px,3.1vw,38px);line-height:1.28;letter-spacing:-.01em;font-weight:800}
.section-sub{margin-top:16px;color:var(--muted);font-size:16.5px}
.section--dark .section-sub{color:#9fb4ac}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(232,102,61,.28)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,102,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(47,158,125,.26)}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(18,33,29,.04)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-line-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,253,249,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#f0916b);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:0 8px 18px rgba(232,102,61,.3);
}
.logo-text{font-size:19px;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-2);transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* page hero */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(112deg, rgba(9,24,20,.93) 0%, rgba(12,33,27,.78) 48%, rgba(18,33,29,.46) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:74px 0 84px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:80px;
  background:linear-gradient(to bottom,rgba(255,253,249,0),var(--bg));pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:20px}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{opacity:.5}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#7fe0bb;display:block}
.page-hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.14;letter-spacing:-.02em;font-weight:900}
.page-hero h1 em{font-style:normal;color:#ffb69c}
.hero-lead{margin-top:22px;font-size:17px;line-height:1.82;color:rgba(255,255,255,.86);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-tags span{
  font-size:13px;font-weight:600;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.88);
}
.hero-card{
  background:rgba(255,255,255,.96);color:var(--ink);border-radius:var(--radius-l);
  padding:28px;box-shadow:var(--shadow-l);
}
.hero-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.hero-card p{font-size:14px;color:var(--muted);line-height:1.7}
.hero-card img{border-radius:var(--radius);margin:18px 0 20px}
.hero-card ul{display:grid;gap:10px}
.hero-card li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;font-weight:600;color:var(--ink-2)}
.hero-card li::before{
  content:"";flex:0 0 16px;height:16px;margin-top:5px;border-radius:50%;
  background:var(--accent-50) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f9e7d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}
/* grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
/* service card */
.service-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.service-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.service-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card:hover .service-media img{transform:scale(1.05)}
.service-media .pill{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  color:var(--ink);font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.service-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.service-body h3{font-size:19px;font-weight:800;letter-spacing:-.01em}
.service-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  font-size:12.5px;font-weight:600;color:var(--accent-600);background:var(--accent-50);
  border-radius:999px;padding:5px 12px;
}
.tag--warm{color:var(--brand-600);background:var(--brand-50)}
/* scene card */
.scene-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.scene-card:hover{box-shadow:var(--shadow-s);transform:translateY(-4px)}
.scene-num{
  width:42px;height:42px;border-radius:13px;background:var(--brand-50);color:var(--brand-600);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.scene-card h3{font-size:17.5px;font-weight:800}
.scene-card p{font-size:14.5px;color:var(--muted)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px 26px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:14px;font-weight:800;letter-spacing:.12em;color:var(--brand);
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:800;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted)}
/* rules list */
.rule-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 30px}
.rule-list li{
  display:flex;gap:12px;align-items:flex-start;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-s);padding:16px 18px;
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.rule-list li::before{
  content:"";flex:0 0 20px;height:20px;margin-top:3px;border-radius:7px;
  background:var(--accent-50) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f9e7d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
/* metrics */
.metric-band{
  background:#12211d;color:#eaf3ef;border-radius:var(--radius-l);
  padding:44px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.metric strong{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:900;letter-spacing:-.02em;color:#fff}
.metric span{display:block;margin-top:8px;font-size:14px;color:#9fb4ac}
.metric em{display:block;margin-top:4px;font-style:normal;font-size:13px;color:#7fe0bb;font-weight:600}
/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-media img{border-radius:var(--radius-l);box-shadow:var(--shadow)}
.split-body h2{font-size:clamp(24px,2.9vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.split-body p{margin-top:18px;color:var(--muted);font-size:16px}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;font-weight:600;color:var(--ink-2)}
.check-list li::before{
  content:"";flex:0 0 18px;height:18px;margin-top:5px;border-radius:6px;
  background:var(--brand-50) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23cf5028' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}
/* quotes */
.quote-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;gap:18px;
}
.quote-card p{font-size:15.5px;color:var(--ink-2);line-height:1.8}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(140deg,var(--accent),#63c3a4);
}
.quote-who strong{display:block;font-size:14.5px}
.quote-who small{color:var(--muted);font-size:13px}
/* faq */
.faq{display:grid;gap:14px}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 24px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#e4d9cc;box-shadow:var(--shadow-s)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:22px 0;font-size:16.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 22px;height:22px;border-radius:50%;background:var(--bg-2);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312211d' stroke-width='2.4' stroke-linecap='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:12px;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);background-color:var(--brand-50)}
.faq-item .faq-body{padding:0 0 24px;color:var(--muted);font-size:15px;line-height:1.85;max-width:860px}
/* channels */
.channel-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.channel-card img{aspect-ratio:16/10;width:100%;object-fit:cover}
.channel-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.channel-body h3{font-size:18px;font-weight:800}
.channel-body p{font-size:14.5px;color:var(--muted)}
.channel-body .channel-link{
  margin-top:auto;padding-top:8px;font-size:14.5px;font-weight:700;color:var(--brand-600);
  display:inline-flex;align-items:center;gap:6px;
}
.channel-body .channel-link::after{content:"→";transition:transform .2s ease}
.channel-card:hover .channel-link::after{transform:translateX(4px)}
/* cta */
.cta-band{
  background-image:linear-gradient(120deg, rgba(207,80,40,.94) 0%, rgba(232,102,61,.86) 55%, rgba(47,158,125,.72) 100%), url('/assets/images/backpic/back-5.webp');
  background-size:cover;background-position:center;
  border-radius:var(--radius-l);padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.3;letter-spacing:-.01em}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.9)}
.cta-form{
  background:rgba(255,255,255,.97);border-radius:var(--radius);padding:24px;
  display:grid;gap:12px;color:var(--ink);
}
.cta-form label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.cta-form input,.cta-form select,.cta-form textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-xs);
  padding:12px 14px;font-size:14.5px;background:var(--white);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(232,102,61,.14);
}
.cta-form textarea{resize:vertical;min-height:84px}
.cta-form .form-note{font-size:12.5px;color:var(--muted);line-height:1.6}
/* footer */
.site-footer{background:#12211d;color:#c9d8d2;padding:72px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#93a8a0;max-width:380px}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14.5px;color:#9fb4ac;padding:6px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#7d908a;
}
/* responsive */
@media (max-width:1024px){
  .page-hero .hero-inner{grid-template-columns:1fr;gap:40px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .metric-band{grid-template-columns:repeat(2,1fr);padding:36px 30px}
  .split{grid-template-columns:1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .header-inner{height:66px;gap:14px}
  .nav{
    position:absolute;top:100%;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:var(--shadow);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:var(--radius-xs)}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .rule-list{grid-template-columns:1fr}
  .page-hero{padding:52px 0 64px}
  .section-head{margin-bottom:32px}
  .hero-card{padding:22px}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .metric-band{grid-template-columns:1fr;gap:22px;padding:30px 24px}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --brand:#e8663d;
  --brand-600:#cf5028;
  --brand-50:#fdf0ea;
  --accent:#2f9e7d;
  --accent-600:#237a60;
  --accent-50:#e9f6f1;
  --ink:#12211d;
  --ink-2:#3b4c47;
  --muted:#6d7c76;
  --line:#e8e2d9;
  --line-2:#f1ece4;
  --bg:#fffdf9;
  --bg-2:#f8f5ef;
  --white:#ffffff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:28px;
  --shadow-s:0 1px 2px rgba(18,33,29,.05), 0 6px 18px rgba(18,33,29,.06);
  --shadow:0 16px 44px rgba(18,33,29,.10);
  --shadow-l:0 28px 70px rgba(18,33,29,.16);
  --max:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(47,158,125,.45);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tint{background:var(--bg-2)}
.section--dark{background:#12211d;color:#e9f2ee}
.section-head{max-width:740px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);background:var(--brand-50);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(232,102,61,.16);color:#ffb69c}
.section-title{font-size:clamp(25px,3.1vw,38px);line-height:1.28;letter-spacing:-.01em;font-weight:800;margin:0}
.section-sub{margin-top:16px;color:var(--muted);font-size:16.5px}
.section--dark .section-sub{color:#9fb4ac}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(232,102,61,.28)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,102,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(47,158,125,.26)}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(18,33,29,.04)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-line-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,253,249,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#f0916b);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:0 8px 18px rgba(232,102,61,.3);
}
.logo-text{font-size:19px;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-2);transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ------- hero ------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(115deg, rgba(10,26,22,.92) 0%, rgba(12,32,27,.78) 48%, rgba(18,33,29,.44) 100%), url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.hero--page{padding:64px 0 0}
.hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:90px;
  background:linear-gradient(to bottom, rgba(255,253,249,0), var(--bg));pointer-events:none;
}
.hero-grid{position:relative;z-index:2}
.hero-copy{max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;
  letter-spacing:.02em;margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#7fe0bb;display:block}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.12;letter-spacing:-.02em;font-weight:900;margin:0}
.hero h1 em{font-style:normal;color:#ffb69c}
.hero-lead{margin-top:24px;font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.88);border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px}
.crumb a:hover{color:#fff;border-color:#fff}
.crumb span.sep{opacity:.55}
.hero-facts{
  position:relative;z-index:2;margin-top:56px;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.2);
  border-bottom:none;
  border-radius:var(--radius) var(--radius) 0 0;
  overflow:hidden;
}
.hero-facts div{background:rgba(10,26,22,.42);padding:24px 26px;backdrop-filter:blur(6px)}
.hero-facts strong{display:block;font-size:26px;font-weight:800;letter-spacing:-.01em}
.hero-facts span{display:block;margin-top:4px;font-size:13.5px;color:rgba(255,255,255,.72)}
/* ------- generic cards ------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:20px;font-weight:800;margin-bottom:18px;
  background:var(--accent-50);color:var(--accent-600);
}
.card-icon.is-brand{background:var(--brand-50);color:var(--brand-600)}
.card h3{margin:0 0 10px;font-size:19px;font-weight:800;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
/* ------- scene cards ------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .22s ease, box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .scene-media img{transform:scale(1.05)}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,26,22,.5),rgba(10,26,22,0) 58%)}
.scene-badge{
  position:absolute;left:16px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--ink);
  font-size:12.5px;font-weight:700;border-radius:999px;padding:5px 13px;
}
.scene-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.scene-body h3{margin:0 0 10px;font-size:18.5px;font-weight:800}
.scene-body p{margin:0;color:var(--muted);font-size:14.8px;line-height:1.78}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12.5px;font-weight:600;color:var(--accent-600);
  background:var(--accent-50);border-radius:999px;padding:4px 12px;
}
.tag.is-brand{color:var(--brand-600);background:var(--brand-50)}
/* ------- steps ------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 24px 26px;box-shadow:var(--shadow-s);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:24px;
  font-size:15px;font-weight:800;letter-spacing:.06em;color:#fff;
  background:var(--accent);border-radius:10px;padding:4px 12px;
  box-shadow:0 10px 20px rgba(47,158,125,.28);
}
.step h3{margin:12px 0 10px;font-size:18px;font-weight:800}
.step p{margin:0;color:var(--muted);font-size:14.8px;line-height:1.8}
/* ------- split feature ------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:16px}
.check-list li{position:relative;padding-left:38px;color:var(--ink-2);font-size:15.5px;line-height:1.78}
.check-list li strong{color:var(--ink);font-weight:800}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:22px;height:22px;border-radius:50%;
  background:var(--accent-50) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f9e7d' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/13px 13px no-repeat;
}
/* ------- stat band ------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:40px 36px;box-shadow:var(--shadow-s);
}
.stat-band div{border-left:2px solid var(--brand-50);padding-left:20px}
.stat-band div:first-child{border-left-color:var(--brand)}
.stat-band strong{display:block;font-size:34px;font-weight:900;letter-spacing:-.02em;line-height:1.2;color:var(--ink)}
.stat-band span{display:block;margin-top:6px;font-size:14.5px;color:var(--muted)}
/* ------- faq ------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:var(--line-2);box-shadow:var(--shadow-s)}
.faq-item summary{
  cursor:pointer;padding:20px 26px;font-weight:700;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:800;color:var(--brand);
  line-height:1;transition:transform .22s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 26px 22px;color:var(--muted);font-size:15.2px;line-height:1.85}
/* ------- channel matrix ------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:30px 28px;box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-50)}
.channel-card.is-current{border-color:var(--accent);background:linear-gradient(180deg,var(--accent-50),#fff)}
.channel-card small{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--accent-600);background:var(--accent-50);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.channel-card h3{margin:0 0 10px;font-size:20px;font-weight:800}
.channel-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14.5px;font-weight:700;color:var(--brand-600)}
.channel-more::after{content:"→";transition:transform .2s ease}
.channel-card:hover .channel-more::after{transform:translateX(4px)}
/* ------- cta band ------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  background-image:linear-gradient(120deg, rgba(10,26,22,.93), rgba(18,33,29,.72)), url('/assets/images/backpic/back-5.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 54px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  box-shadow:var(--shadow-l);
}
.cta-band h2{margin:0;font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.01em;line-height:1.3}
.cta-band p{margin:18px 0 0;color:rgba(255,255,255,.86);font-size:16.5px;line-height:1.85}
.cta-panel{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius);padding:26px;backdrop-filter:blur(6px);
}
.cta-panel h3{margin:0 0 14px;font-size:17px;font-weight:800}
.cta-panel ul{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px}
.cta-panel li{font-size:14.6px;color:rgba(255,255,255,.84);padding-left:20px;position:relative}
.cta-panel li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:#7fe0bb}
/* ------- footer ------- */
.site-footer{background:#12211d;color:#c8d6d1;padding:66px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand .logo{margin-bottom:16px;color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin:0;color:#9fb4ac;font-size:14.6px;line-height:1.85;max-width:360px}
.footer-col h4{margin:0 0 16px;font-size:15px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-col a{display:block;color:#9fb4ac;font-size:14.6px;padding:5px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#ffb69c;transform:translateX(3px)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.8px;color:#8ba09a;
}
/* ------- responsive ------- */
@media (max-width:1024px){
  .header-inner{gap:16px}
  .nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;box-shadow:var(--shadow);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 16px;border-radius:var(--radius-s)}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 22px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .split{grid-template-columns:1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;padding:44px 34px}
  .channel-grid{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:70px 0}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero--page{padding:44px 0 0}
  .hero-lead{font-size:16.4px}
  .hero-facts{grid-template-columns:1fr;border-radius:var(--radius) var(--radius) 0 0}
  .hero-facts div{background:rgba(10,26,22,.5)}
  .grid-3,.scene-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .section-head{margin-bottom:32px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .logo-text{font-size:17px}
  .grid-4,.steps,.stat-band{grid-template-columns:1fr}
  .stat-band{padding:28px 22px}
  .stat-band div{border-left:none;border-top:2px solid var(--line-2);padding-left:0;padding-top:14px}
  .stat-band div:first-child{border-top-color:var(--brand)}
  .cta-band{padding:34px 22px;border-radius:var(--radius)}
  .card{padding:22px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --brand:#e8663d;
  --brand-600:#cf5028;
  --brand-50:#fdf0ea;
  --accent:#2f9e7d;
  --accent-600:#237a60;
  --accent-50:#e9f6f1;
  --ink:#12211d;
  --ink-2:#3b4c47;
  --muted:#6d7c76;
  --line:#e8e2d9;
  --line-2:#f1ece4;
  --bg:#fffdf9;
  --bg-2:#f8f5ef;
  --white:#ffffff;
  --radius-xs:8px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:28px;
  --shadow-s:0 1px 2px rgba(18,33,29,.05), 0 6px 18px rgba(18,33,29,.06);
  --shadow:0 16px 44px rgba(18,33,29,.10);
  --shadow-l:0 28px 70px rgba(18,33,29,.16);
  --max:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(232,102,61,.5);outline-offset:3px;border-radius:var(--radius-xs)}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--tint{background:var(--bg-2)}
.section--line{border-top:1px solid var(--line-2)}
.section-head{max-width:740px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand-600);
  background:var(--brand-50);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section-title{font-size:clamp(25px,3.1vw,38px);line-height:1.28;letter-spacing:-.01em;font-weight:800}
.section-sub{margin-top:16px;color:var(--muted);font-size:16.5px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15.5px;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(232,102,61,.28)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,102,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(47,158,125,.26)}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(18,33,29,.04)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--shadow-s)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-line-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,253,249,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#f0916b);
  color:#fff;display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 8px 18px rgba(232,102,61,.3);
}
.logo-text{font-size:19px;letter-spacing:-.01em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* page hero */
.page-hero{
  position:relative;
  background-image:linear-gradient(112deg, rgba(10,26,22,.92) 0%, rgba(12,32,27,.78) 48%, rgba(18,33,29,.46) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:82px 0 76px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:80px;
  background:linear-gradient(to bottom, rgba(255,253,249,0), var(--bg));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:1px}
.crumb a:hover{color:#fff;border-color:#fff}
.crumb span.dot{opacity:.5}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
  padding:7px 16px;
  font-size:13.5px;font-weight:600;
  margin-bottom:20px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#7fe0bb;display:block}
.page-hero h1{
  font-size:clamp(31px,4.4vw,52px);
  line-height:1.16;
  letter-spacing:-.02em;
  font-weight:900;
  max-width:16em;
}
.page-hero h1 em{font-style:normal;color:#ffb69c}
.hero-lead{margin-top:22px;font-size:17px;line-height:1.82;color:rgba(255,255,255,.85);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:30px;margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
.hero-facts div strong{display:block;font-size:23px;font-weight:800;letter-spacing:-.01em}
.hero-facts div span{font-size:13.5px;color:rgba(255,255,255,.7)}
/* stats strip */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-s);
}
.stat-cell{background:#fff;padding:30px 26px}
.stat-cell strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.stat-cell strong em{font-style:normal;font-size:16px;color:var(--brand-600);margin-left:2px}
.stat-cell span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}
/* feature grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 28px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ddd4c8}
.card-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  font-size:20px;font-weight:800;
  background:var(--brand-50);color:var(--brand-600);
  margin-bottom:18px;
}
.card-icon--accent{background:var(--accent-50);color:var(--accent-600)}
.card h3{font-size:19px;font-weight:800;letter-spacing:-.01em}
.card p{margin-top:12px;color:var(--ink-2);font-size:15.4px;line-height:1.8}
.card ul{margin-top:16px;display:grid;gap:9px}
.card ul li{position:relative;padding-left:18px;font-size:14.6px;color:var(--muted)}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
/* scenario */
.scenario{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.scenario + .scenario{margin-top:72px}
.scenario--flip .scenario-media{order:2}
.scenario-media{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow);position:relative}
.scenario-media img{width:100%;height:360px;object-fit:cover;transition:transform .5s ease}
.scenario-media:hover img{transform:scale(1.03)}
.scenario-body h3{font-size:clamp(22px,2.5vw,29px);font-weight:800;letter-spacing:-.01em;line-height:1.3}
.scenario-body p{margin-top:16px;color:var(--ink-2);font-size:16px}
.scenario-list{margin-top:22px;display:grid;gap:12px}
.scenario-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
  padding:14px 16px;font-size:15px;color:var(--ink-2);
}
.scenario-list li b{color:var(--ink);font-weight:700}
.pill-num{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;
  background:var(--accent-50);color:var(--accent-600);
  display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:2px;
}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px 26px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:14px;font-weight:800;letter-spacing:.14em;
  color:var(--brand);
  margin-bottom:14px;
}
.step h4{font-size:18px;font-weight:800}
.step p{margin-top:10px;font-size:14.8px;color:var(--muted);line-height:1.78}
/* tag cloud */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14.6px;font-weight:600;color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.tag:hover{background:var(--brand-50);border-color:#f2cdbd;color:var(--brand-600);transform:translateY(-2px)}
.tag em{font-style:normal;font-size:12.6px;color:var(--muted);font-weight:600}
.tag--hot{background:var(--ink);border-color:var(--ink);color:#fff}
.tag--hot em{color:rgba(255,255,255,.72)}
.tag--hot:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
/* feed */
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feed-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ddd4c8}
.feed-tag{
  align-self:flex-start;
  font-size:12.6px;font-weight:700;letter-spacing:.06em;
  color:var(--accent-600);background:var(--accent-50);
  border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.feed-card h3{font-size:18px;font-weight:800;line-height:1.5}
.feed-card p{margin-top:12px;font-size:14.8px;color:var(--muted);flex:1}
.feed-time{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13.4px;color:var(--muted)}
.feed-empty{
  text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--muted);font-size:15.4px;
}
.feed-more{margin-top:34px;text-align:center}
/* quotes */
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-s);
  transition:transform .2s ease, box-shadow .2s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote p{font-size:15.6px;color:var(--ink-2);line-height:1.85}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2)}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(140deg,var(--accent),#57c3a2);
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;flex-shrink:0;
}
.quote-who strong{display:block;font-size:15px}
.quote-who span{font-size:13.2px;color:var(--muted)}
/* faq */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
  padding:6px 22px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open]{border-color:#efc6b5;box-shadow:var(--shadow-s)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 0;font-size:16.6px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:700;color:var(--brand);
  line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 20px;color:var(--ink-2);font-size:15.4px;line-height:1.85}
/* cta */
.cta-band{
  position:relative;
  background-image:linear-gradient(110deg, rgba(12,32,27,.93) 0%, rgba(18,33,29,.82) 55%, rgba(35,122,96,.66) 100%), url('/assets/images/backpic/back-5.webp');
  background-size:cover;background-position:center;
  color:#fff;border-radius:var(--radius-l);
  padding:58px 52px;
  overflow:hidden;
  box-shadow:var(--shadow-l);
}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.28;letter-spacing:-.01em;max-width:20em}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.82);font-size:16.4px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-points span{
  font-size:13.6px;font-weight:600;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 15px;
}
/* footer */
.site-footer{background:#12211d;color:#c6d6d0;margin-top:88px;padding:68px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px}
.site-footer .logo{color:#fff}
.footer-brand p{margin-top:18px;font-size:14.8px;color:#94aaa3;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.1em;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14.8px;color:#9db2ab;padding:6px 0;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13.6px;color:#8ba39b;
}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3,.grid-4,.steps,.feed-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .scenario{grid-template-columns:1fr;gap:30px}
  .scenario--flip .scenario-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;
    box-shadow:var(--shadow);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:var(--radius-s)}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .page-hero{padding:60px 0 58px}
  .cta-band{padding:40px 26px;border-radius:var(--radius)}
  .grid-2{grid-template-columns:1fr}
  .hero-facts{gap:22px}
  .hero-facts div strong{font-size:20px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .grid-3,.grid-4,.steps,.feed-grid,.stat-strip{grid-template-columns:1fr}
  .header-inner{gap:12px}
  .logo-text{font-size:17px}
  .header-actions .btn-ghost{display:none}
  .btn{padding:12px 20px;font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .faq-item{padding:4px 18px}
  .faq-item summary{font-size:15.6px}
  .scenario-media img{height:240px}
}