/* roulang page: index */
:root{
  --brand:#ff5a3c;
  --brand-dark:#e04326;
  --brand-soft:#fff1ec;
  --ink:#101a2b;
  --ink-2:#2b3a52;
  --muted:#6b7a90;
  --line:#e6eaf1;
  --bg:#f6f7fb;
  --white:#ffffff;
  --accent:#0f9d8f;
  --accent-soft:#e8f7f5;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(16,26,43,.06);
  --shadow:0 12px 34px rgba(16,26,43,.10);
  --shadow-lg:0 24px 60px rgba(16,26,43,.16);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:36px; --sp-5:56px; --sp-6:88px;
  --max:1180px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,90,60,.55);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:var(--sp-6) 0;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:var(--white);}
.section--ink{background:var(--ink);color:#c9d3e2;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:720px;margin-bottom:var(--sp-4);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3.1vw,36px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,90,60,.35);
}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav a:hover{background:#f1f3f8;color:var(--ink);}
.nav a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,60,.3);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;
  background:var(--ink);color:#fff;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:#1b2942;transform:translateY(-2px);box-shadow:var(--shadow);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(56px,8vw,104px) 0 clamp(48px,7vw,88px);
  background:
    radial-gradient(900px 420px at 82% 6%, rgba(255,90,60,.16), transparent 62%),
    linear-gradient(180deg,#fdfdff 0%, var(--bg) 100%);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,4vw,60px);align-items:center;position:relative;z-index:2;}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.22;letter-spacing:-.02em;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:clamp(15px,1.5vw,17.5px);color:var(--muted);max-width:560px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;box-shadow:var(--shadow-sm);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(255,90,60,.32);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,60,.36);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:#cdd6e3;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn:active{transform:translateY(0) scale(.99);}
.hero-visual{position:relative;}
.hero-visual img.hero-photo{
  width:100%;aspect-ratio:4/3.35;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:12px;border:1px solid var(--line);
}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(15,157,143,.16);flex:none;}
.hero-badge strong{display:block;font-size:15px;color:var(--ink);}
.hero-badge span{font-size:12.5px;color:var(--muted);}
.hero-badge--top{left:auto;right:-12px;top:22px;bottom:auto;}

/* ===== Stats strip ===== */
.stats{
  background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:var(--sp-4) 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}
.stat b{
  display:block;font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--brand);letter-spacing:-.02em;
}
.stat span{font-size:14px;color:var(--muted);font-weight:600;}

/* ===== Cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#dbe2ee;}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;}
.icon-badge{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:18px;margin-bottom:18px;
}
.icon-badge--teal{background:var(--accent-soft);color:var(--accent);}
.icon-badge--ink{background:#eef1f8;color:var(--ink);}

/* ===== Channel matrix ===== */
.channels{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius-lg);
  min-height:250px;padding:30px;color:#fff;isolation:isolate;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.channel img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;
  z-index:-2;transition:transform .5s ease;
}
.channel::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(16,26,43,.18) 0%,rgba(16,26,43,.82) 100%);
}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.channel:hover img{transform:scale(1.06);}
.channel h3{color:#fff;font-size:21px;margin-bottom:8px;}
.channel p{color:rgba(255,255,255,.86);font-size:14.5px;}
.channel .channel-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px;
}

/* ===== Route cards ===== */
.route-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.route-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.route-card img{width:100%;height:190px;object-fit:cover;border-radius:0;}
.route-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.route-meta{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:999px;
  background:#f1f3f8;color:var(--ink-2);
}
.chip--brand{background:var(--brand-soft);color:var(--brand);}
.chip--teal{background:var(--accent-soft);color:var(--accent);}
.route-card h3{font-size:17.5px;}
.route-card p{font-size:14.5px;color:var(--muted);}
.route-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted);
}
.route-foot b{color:var(--brand);font-size:15px;}

/* ===== List feature ===== */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(28px,4vw,56px);align-items:center;}
.split img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow);}
.feature-list{display:grid;gap:18px;margin-top:26px;}
.feature-list li{display:flex;gap:14px;align-items:flex-start;}
.feature-list .num{
  flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand);color:#fff;font-size:14px;font-weight:800;margin-top:3px;
}
.feature-list strong{display:block;color:var(--ink);font-size:16px;margin-bottom:2px;}
.feature-list span{font-size:14.5px;color:var(--muted);}

/* ===== Pace table ===== */
.pace-board{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.pace-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.4fr auto;gap:16px;align-items:center;
  padding:18px 26px;border-bottom:1px solid var(--line);font-size:14.5px;
  transition:background .2s ease;
}
.pace-row:last-child{border-bottom:none;}
.pace-row:hover{background:#fafbfe;}
.pace-row.head{
  background:#f8f9fc;font-weight:800;color:var(--ink);font-size:13.5px;letter-spacing:.03em;
}
.pace-row strong{color:var(--ink);font-size:15.5px;}
.pace-row .pill{
  display:inline-block;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
}

/* ===== Safety ===== */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.safety-item{
  background:#fff;border-radius:var(--radius);border:1px solid var(--line);
  padding:26px 24px;box-shadow:var(--shadow-sm);
}
.safety-item h3{font-size:17px;margin:14px 0 8px;}
.safety-item p{font-size:14.5px;color:var(--muted);}

/* ===== CMS list ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dbe2ee;}
.post-card .post-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.post-cat{
  font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
}
.post-date{font-size:12.5px;color:var(--muted);}
.post-card h3{font-size:17px;margin-bottom:10px;line-height:1.5;}
.post-card p{font-size:14.5px;color:var(--muted);flex:1;}
.post-link{
  margin-top:18px;font-size:14px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.post-link:hover{color:var(--brand-dark);}
.empty-note{
  grid-column:1/-1;text-align:center;color:var(--muted);font-size:15px;
  padding:40px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
}

/* ===== Testimonials ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);
}
.quote p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#ffdccf,#ffb49a);color:#a63a1f;
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.quote-foot strong{display:block;font-size:14.5px;color:var(--ink);}
.quote-foot span{font-size:12.5px;color:var(--muted);}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:#ffc7b8;box-shadow:var(--shadow);}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 26px;font-weight:700;color:var(--ink);
  font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";font-size:22px;font-weight:700;color:var(--brand);line-height:1;flex:none;
  transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .faq-body{padding:0 26px 22px;color:var(--muted);font-size:15px;}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:clamp(36px,5vw,60px);color:#fff;isolation:isolate;
  background:linear-gradient(120deg,#101a2b 0%,#1d2c47 100%);
}
.cta-band img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;
  opacity:.26;z-index:-1;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);max-width:620px;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:12px;max-width:600px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#9fadc2;padding:var(--sp-5) 0 0;margin-top:var(--sp-6);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:var(--sp-4);}
.site-footer .logo{color:#fff;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.site-footer p{font-size:14px;line-height:1.8;}
.footer-links{display:grid;gap:10px;font-size:14px;}
.footer-links a{color:#9fadc2;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact{font-size:14px;display:grid;gap:10px;}
.footer-contact b{color:#fff;font-weight:700;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7f8da3;
}
.footer-bottom a{color:#9fadc2;}
.footer-bottom a:hover{color:#fff;}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:560px;}
  .hero-badge--top{right:12px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .channels{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .safety-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .grid-3{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  :root{--sp-6:60px;--sp-5:44px;}
  .nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .site-header.open .nav{
    display:flex;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:14px 18px 20px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .site-header.open .nav a{padding:12px 16px;border-radius:12px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .grid-3,.grid-2,.grid-4,.channels,.post-grid,.quote-grid,.safety-grid{grid-template-columns:1fr;}
  .pace-row{grid-template-columns:1fr 1fr;gap:8px 14px;padding:16px 18px;}
  .pace-row.head{display:none;}
  .pace-row .pill{justify-self:start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-badge{left:10px;bottom:12px;padding:12px 14px;}
  .hero-badge--top{top:12px;left:auto;right:10px;bottom:auto;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero{padding-top:44px;}
  .hero-actions .btn{width:100%;}
  .hero-badge--top{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .card,.quote,.post-card{padding:20px;}
  .section{padding:48px 0;}
  .logo span.logo-text{font-size:15px;}
  .route-card img{height:170px;}
}

/* roulang page: article */
:root{
  --brand:#ff5a3c;
  --brand-dark:#e04326;
  --brand-soft:#fff1ec;
  --ink:#101a2b;
  --ink-2:#2b3a52;
  --muted:#6b7a90;
  --line:#e6eaf1;
  --bg:#f6f7fb;
  --white:#ffffff;
  --accent:#0f9d8f;
  --accent-soft:#e8f7f5;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(16,26,43,.06);
  --shadow:0 12px 34px rgba(16,26,43,.10);
  --shadow-lg:0 24px 60px rgba(16,26,43,.16);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:36px; --sp-5:44px; --sp-6:60px;
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,90,60,.45);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:var(--sp-6) 0;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:var(--white);}
.section--ink{background:var(--ink);color:#c9d3e2;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:740px;margin-bottom:var(--sp-4);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(23px,3vw,34px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;position:relative;}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,90,60,.35);
}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav a:hover{background:#f1f3f8;color:var(--ink);}
.nav a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,60,.3);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;
  background:var(--ink);color:#fff;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:#1b2942;transform:translateY(-2px);box-shadow:var(--shadow);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
/* ===== 文章头部 ===== */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:clamp(30px,4vw,52px) 0 clamp(66px,8vw,96px);
  background:
    linear-gradient(115deg, rgba(11,18,32,.94) 0%, rgba(16,26,43,.82) 52%, rgba(224,67,38,.55) 100%),
    url('/assets/images/24f025b028054b6b.webp') center/cover no-repeat;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.86);font-weight:600;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span{opacity:.6;}
.article-hero h1{
  color:#fff;font-size:clamp(24px,3.6vw,42px);line-height:1.26;letter-spacing:-.02em;
  max-width:920px;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.meta-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  padding:7px 15px;border-radius:999px;backdrop-filter:blur(6px);
}
.meta-pill--brand{background:var(--brand);border-color:var(--brand);box-shadow:0 10px 22px rgba(255,90,60,.32);}
/* ===== 正文壳 ===== */
.article-wrap{position:relative;z-index:3;margin-top:-56px;}
.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:clamp(22px,3.4vw,44px);
}
.fact-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  padding-bottom:26px;margin-bottom:8px;border-bottom:1px dashed var(--line);
}
.fact{background:#fafbfe;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;}
.fact b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;}
.fact span{font-size:13.5px;color:var(--muted);line-height:1.6;}
.prose{font-size:16.5px;color:var(--ink-2);padding-top:24px;}
.prose > *:first-child{margin-top:0;}
.prose h2{
  font-size:clamp(21px,2.4vw,27px);margin:38px 0 14px;
  padding-left:14px;border-left:5px solid var(--brand);
}
.prose h3{font-size:clamp(18px,1.9vw,21px);margin:28px 0 10px;color:var(--ink);}
.prose h4{font-size:17px;margin:22px 0 8px;color:var(--ink);}
.prose p{margin:0 0 16px;}
.prose a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;font-weight:600;}
.prose a:hover{color:var(--brand);}
.prose ul{margin:0 0 18px;padding-left:22px;list-style:disc;}
.prose ol{margin:0 0 18px;padding-left:22px;list-style:decimal;}
.prose li{margin:7px 0;}
.prose img{margin:24px 0;border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.prose blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:var(--radius-sm);color:var(--ink-2);
}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.prose th{background:#f9fafc;color:var(--ink);font-weight:700;}
.prose strong{color:var(--ink);}
.empty-state{text-align:center;padding:40px 10px 12px;}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{color:var(--muted);max-width:520px;margin:0 auto 22px;}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(255,90,60,.32);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,60,.36);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:#cdd6e3;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-light{background:#fff;color:var(--ink);box-shadow:0 14px 30px rgba(0,0,0,.22);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(0,0,0,.28);}
.btn:active{transform:translateY(0) scale(.99);}
/* ===== 频道矩阵 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8dfea;}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:18px;margin-bottom:16px;
}
.card-icon--accent{background:var(--accent-soft);color:var(--accent);}
.card-link{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:14.5px;color:var(--brand-dark);}
.card-link:hover{color:var(--brand);}
.card-link::after{content:"→";transition:transform .2s ease;}
.card-link:hover::after{transform:translateX(4px);}
/* ===== 安全清单 ===== */
.check-list{display:grid;gap:14px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  box-shadow:var(--shadow-sm);
}
.check-item .num{
  flex:none;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--ink);color:#fff;font-weight:800;font-size:14px;
}
.check-item b{display:block;color:var(--ink);margin-bottom:4px;font-size:15.5px;}
.check-item span{font-size:14.5px;color:var(--muted);}
/* ===== FAQ ===== */
.faq{display:grid;gap:14px;max-width:880px;margin:0 auto;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,border-color .2s ease;
}
.faq details[open]{box-shadow:var(--shadow);border-color:#d8dfea;}
.faq summary{
  cursor:pointer;font-weight:700;color:var(--ink);font-size:16px;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:900;transition:transform .2s ease;
}
.faq details[open] summary::after{content:"–";transform:rotate(180deg);}
.faq p{margin:14px 0 0;color:var(--muted);font-size:15px;}
/* ===== 收口 ===== */
.cta-band{
  position:relative;overflow:hidden;color:#fff;border-radius:var(--radius-lg);
  padding:clamp(30px,4vw,54px);
  background:
    linear-gradient(110deg, rgba(16,26,43,.95), rgba(224,67,38,.82)),
    url('/assets/images/2c4553b6c9ab9728.webp') center/cover no-repeat;
  box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.84);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
/* ===== Footer ===== */
.site-footer{background:#0c1422;color:#9aa8bd;padding:var(--sp-6) 0 0;margin-top:var(--sp-6);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:36px;}
.site-footer .logo{color:#fff;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.02em;}
.site-footer p{font-size:14.5px;line-height:1.8;color:#93a1b6;margin:0;}
.footer-links{display:grid;gap:10px;font-size:14.5px;}
.footer-links a{color:#9aa8bd;transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-contact{display:grid;gap:10px;font-size:14.5px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#7d8ba1;
}
.footer-bottom a{color:#b9c5d6;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .fact-strip{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:900px){
  .nav{
    display:none;position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 22px 18px;box-shadow:var(--shadow);
  }
  .nav.open{display:flex;}
  .nav a{padding:12px 14px;border-radius:12px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
}
@media (max-width:768px){
  .section{padding:44px 0;}
  .section--tight{padding:36px 0;}
  .article-wrap{margin-top:-40px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .article-hero h1{font-size:clamp(22px,5.4vw,30px);}
  .article-shell{border-radius:var(--radius);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .fact-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .btn{width:100%;padding:13px 20px;}
  .cta-actions{width:100%;}
  .article-meta{gap:8px;}
  .meta-pill{font-size:12.5px;padding:6px 12px;}
}

/* roulang page: category1 */
:root{
  --brand:#ff5a3c;
  --brand-dark:#e04326;
  --brand-soft:#fff1ec;
  --ink:#101a2b;
  --ink-2:#2b3a52;
  --muted:#6b7a90;
  --line:#e6eaf1;
  --bg:#f6f7fb;
  --white:#ffffff;
  --accent:#0f9d8f;
  --accent-soft:#e8f7f5;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(16,26,43,.06);
  --shadow:0 12px 34px rgba(16,26,43,.10);
  --shadow-lg:0 24px 60px rgba(16,26,43,.16);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:36px; --sp-5:56px; --sp-6:88px;
  --max:1180px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
@media (max-width:1024px){:root{--sp-6:56px;--sp-5:40px;}}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;letter-spacing:-.01em;font-weight:800;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:var(--sp-6) 0;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:var(--white);}
.section--ink{background:var(--ink);color:#c9d3e2;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:740px;margin-bottom:var(--sp-4);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3.1vw,34px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,90,60,.35);
}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav a:hover{background:#f1f3f8;color:var(--ink);}
.nav a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,60,.3);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;
  background:var(--ink);color:#fff;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:#1b2942;transform:translateY(-2px);box-shadow:var(--shadow);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(255,90,60,.32);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,60,.36);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:#cdd6e3;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn:active{transform:translateY(0) scale(.99);}
.btn:focus-visible,.nav a:focus-visible,.header-cta:focus-visible,.nav-toggle:focus-visible{
  outline:3px solid rgba(255,90,60,.45);outline-offset:2px;
}
/* ===== Category hero ===== */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:clamp(64px,9vw,116px) 0 clamp(44px,6vw,72px);
  background-image:linear-gradient(102deg,rgba(16,26,43,.92) 0%,rgba(16,26,43,.76) 46%,rgba(16,26,43,.38) 100%),url('/assets/images/f9364268f190e2b6.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.14);}
.cat-hero-inner{position:relative;z-index:2;max-width:780px;}
.cat-hero .eyebrow{background:rgba(255,255,255,.14);color:#ffd9d0;}
.cat-hero h1{color:#fff;font-size:clamp(27px,4vw,44px);line-height:1.22;margin-bottom:18px;}
.cat-hero h1 em{font-style:normal;color:#ff9d84;}
.cat-hero-lead{font-size:clamp(15px,1.5vw,17px);color:#d7dfeb;max-width:680px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.fact-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px;
}
.fact{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:16px 18px;backdrop-filter:blur(6px);
}
.fact strong{display:block;color:#fff;font-size:16.5px;font-weight:800;}
.fact span{font-size:13.5px;color:#c2cddd;}
/* ===== Feature cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8e0ec;}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.8px;}
.card-num{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:900;font-size:16px;margin-bottom:16px;
}
.card-num--accent{background:var(--accent-soft);color:var(--accent);}
/* ===== Scene cards ===== */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.scene-card img{width:100%;height:190px;object-fit:cover;border-radius:0;}
.scene-body{padding:22px 22px 26px;}
.scene-body h3{font-size:18px;margin-bottom:8px;}
.scene-body p{color:var(--muted);font-size:14.8px;}
.scene-tag{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--accent);
  background:var(--accent-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
/* ===== Steps ===== */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow-sm);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;
  font-weight:800;font-size:14.5px;margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14.3px;color:var(--muted);}
/* ===== Pace board ===== */
.pace-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.pace-row{
  display:grid;grid-template-columns:150px 190px 1fr;gap:16px;align-items:center;
  padding:20px 26px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.pace-row:last-child{border-bottom:none;}
.pace-row:hover{background:#fafbfe;}
.pace-row--head{background:#f3f5fa;font-weight:800;color:var(--ink);font-size:14.5px;letter-spacing:.02em;}
.pace-chip{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.pace-level{font-weight:800;color:var(--ink);font-size:15px;}
.pace-desc{color:var(--muted);font-size:14.5px;}
/* ===== Safety ===== */
.safe-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.safe-item{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:20px 22px;
}
.safe-item .tick{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:900;margin-top:2px;
}
.safe-item strong{display:block;color:#fff;font-size:16px;margin-bottom:5px;}
.safe-item span{font-size:14.4px;color:#b8c4d4;}
/* ===== Feed ===== */
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feed-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8e0ec;}
.feed-card h3{font-size:17px;margin-bottom:10px;line-height:1.45;}
.feed-card h3 a{transition:color .2s ease;}
.feed-card h3 a:hover{color:var(--brand);}
.feed-card p{font-size:14.4px;color:var(--muted);flex:1;}
.feed-meta{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;
}
.feed-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:38px 24px;text-align:center;color:var(--muted);
}
/* ===== Channel matrix ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .24s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8e0ec;}
.channel-card:hover::before{transform:scaleY(1);}
.channel-card h3{font-size:18.5px;margin-bottom:10px;}
.channel-card p{font-size:14.6px;color:var(--muted);}
.channel-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:700;color:var(--brand);
}
/* ===== 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:20px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#ffcabb;box-shadow:var(--shadow);}
.faq-item summary{
  cursor:pointer;font-weight:800;color:var(--ink);font-size:16.2px;
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;
  font-weight:900;font-size:16px;transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item p{margin-top:14px;color:var(--muted);font-size:14.8px;}
/* ===== CTA panel ===== */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:clamp(34px,5vw,58px);
  background:linear-gradient(120deg,var(--ink) 0%,#1e2c46 58%,#2e3f60 100%);
  color:#cfd8e6;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
}
.cta-panel h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:14px;}
.cta-panel p{color:#c2cddd;font-size:15.2px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#a9b6c9;padding:var(--sp-6) 0 0;}
.site-footer .logo{color:#fff;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:800;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
.footer-grid p{font-size:14.4px;color:#9aa8bd;line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.4px;color:#a9b6c9;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14.2px;color:#9aa8bd;}
.footer-contact b{color:#e6ecf5;font-weight:600;}
.footer-bottom{
  margin-top:var(--sp-5);padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.4px;color:#8493a9;
}
.footer-bottom a{color:#c3cfdf;}
.footer-bottom a:hover{color:#fff;}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .feed-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .pace-row{grid-template-columns:130px 160px 1fr;}
}
@media (max-width:860px){
  .nav{
    position:absolute;left:0;right:0;top:72px;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:4px;padding:14px 22px 20px;
    box-shadow:var(--shadow);display:none;
  }
  .nav.open{display:flex;}
  .nav a{padding:12px 16px;border-radius:12px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .header-inner{height:64px;}
  .cat-hero{padding-top:52px;}
}
@media (max-width:768px){
  .grid-2{grid-template-columns:1fr;}
  .safe-list{grid-template-columns:1fr;}
  .fact-bar{grid-template-columns:1fr;}
  .pace-row{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
  .pace-row--head{display:none;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:560px){
  .grid-3{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .feed-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .container{padding:0 18px;}
  .card{padding:24px 20px;}
  .scene-card img{height:170px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand:#ff5a3c;
  --brand-dark:#e04326;
  --brand-soft:#fff1ec;
  --ink:#101a2b;
  --ink-2:#2b3a52;
  --muted:#6b7a90;
  --line:#e6eaf1;
  --bg:#f6f7fb;
  --white:#ffffff;
  --accent:#0f9d8f;
  --accent-soft:#e8f7f5;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(16,26,43,.06);
  --shadow:0 12px 34px rgba(16,26,43,.10);
  --shadow-lg:0 24px 60px rgba(16,26,43,.16);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:36px; --sp-5:44px; --sp-6:60px;
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink-2);background:var(--bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,90,60,.5);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:var(--sp-6) 0;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:var(--white);}
.section--ink{background:var(--ink);color:#c9d3e2;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:var(--sp-4);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(23px,3vw,34px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,90,60,.35);
}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);transition:background .2s ease,color .2s ease,transform .2s ease;}
.nav a:hover{background:#f1f3f8;color:var(--ink);}
.nav a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,60,.3);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  font-weight:700;font-size:15px;background:var(--ink);color:#fff;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:#1b2942;transform:translateY(-2px);box-shadow:var(--shadow);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
/* ===== Category Hero ===== */
.cat-hero{position:relative;overflow:hidden;color:#fff;padding:clamp(60px,8.5vw,104px) 0 clamp(54px,7.5vw,92px);}
.cat-hero-bg{position:absolute;inset:0;}
.cat-hero-bg img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,18,32,.94) 0%,rgba(12,20,35,.82) 46%,rgba(16,26,43,.46) 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:860px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.82);transition:color .2s ease;}
.crumbs a:hover{color:#fff;}
.crumbs span{color:rgba(255,255,255,.5);}
.cat-hero .eyebrow{background:rgba(255,90,60,.18);color:#ffb8a7;}
.cat-hero h1{color:#fff;font-size:clamp(27px,4.1vw,45px);line-height:1.24;margin-bottom:18px;}
.cat-hero h1 em{font-style:normal;color:#ff9d84;}
.cat-hero .hero-lead{font-size:clamp(15px,1.5vw,17px);color:#cfd8e6;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags .tag{
  font-size:13.5px;font-weight:600;color:#e8edf6;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 15px;
  backdrop-filter:blur(4px);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(255,90,60,.32);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,60,.36);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:#cdd6e3;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.99);}
/* ===== Stats strip ===== */
.stats-strip{margin-top:-42px;position:relative;z-index:5;}
.stats-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:28px 26px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat-item{text-align:center;padding:6px 4px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-item b{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--ink);font-weight:900;letter-spacing:-.02em;}
.stat-item span{font-size:13.5px;color:var(--muted);}
/* ===== Value cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.value-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9e0ea;}
.value-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-weight:900;font-size:18px;margin-bottom:16px;
}
.value-card:nth-child(2) .value-icon{background:var(--brand-soft);color:var(--brand);}
.value-card:nth-child(3) .value-icon{background:#eef2fb;color:#3f6bdd;}
.value-card h3{font-size:18.5px;margin-bottom:10px;}
.value-card p{color:var(--muted);font-size:15px;}
/* ===== Scene cards ===== */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.scene-media{position:relative;aspect-ratio:16/9.4;overflow:hidden;}
.scene-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-media .media-tag{
  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;
  box-shadow:var(--shadow-sm);
}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{font-size:19px;margin-bottom:10px;}
.scene-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:12.5px;font-weight:600;color:var(--ink-2);background:#f2f5fa;
  border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;position:relative;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:900;letter-spacing:.1em;
  color:var(--brand);margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);}
/* ===== Rules split ===== */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(26px,4vw,54px);align-items:center;}
.split-media{position:relative;}
.split-media img{width:100%;aspect-ratio:4/3.2;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow);}
.split-media .float-note{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px 18px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center;max-width:280px;
}
.float-note .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(15,157,143,.16);flex:none;}
.float-note strong{display:block;font-size:14.5px;color:var(--ink);}
.float-note span{font-size:12.5px;color:var(--muted);}
.rule-list{margin-top:22px;display:grid;gap:14px;}
.rule-list li{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm);
}
.rule-list .mark{
  width:26px;height:26px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:900;
}
.rule-list strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:2px;}
.rule-list p{font-size:14.5px;color:var(--muted);}
/* ===== Feed ===== */
.feed-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:var(--sp-4);}
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;min-height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9e0ea;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.post-meta .cat{background:var(--accent-soft);color:#0b7e73;font-weight:700;border-radius:999px;padding:3px 11px;}
.post-card h3{font-size:17px;line-height:1.5;}
.post-card h3 a{transition:color .2s ease;}
.post-card h3 a:hover{color:var(--brand);}
.post-card p{font-size:14.5px;color:var(--muted);flex:1;}
.post-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.post-more:hover{color:var(--brand-dark);}
.empty-state{
  background:#fff;border:1px dashed #cfd8e6;border-radius:var(--radius);
  padding:34px 22px;text-align:center;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);box-shadow:var(--shadow-sm);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;font-size:16.5px;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;transition:transform .22s ease;
}
.faq-item summary:hover{background:#fafbfe;}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;}
/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(130deg,#101a2b 0%,#1b2942 58%,#2c3f60 100%);
  color:#cfd8e6;border-radius:var(--radius-lg);padding:clamp(34px,5vw,58px);
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:clamp(23px,3vw,33px);margin-bottom:14px;}
.cta-band p{font-size:15.5px;max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-actions .btn{width:100%;}
.cta-note{font-size:13px;color:#93a3ba;}
/* ===== Footer ===== */
.site-footer{background:#0b1220;color:#93a3ba;padding:var(--sp-6) 0 26px;margin-top:var(--sp-6);}
.site-footer .logo{color:#fff;}
.site-footer .logo-text{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800;}
.footer-grid p{font-size:14px;color:#93a3ba;max-width:360px;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:#93a3ba;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact b{color:#e6edf8;font-weight:700;}
.footer-bottom{
  margin-top:36px;padding-top:22px;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:#7c8ba3;
}
.footer-bottom a{color:#a9b7cc;}
.footer-bottom a:hover{color:#fff;}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .feed-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stats-card{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:none;}
}
@media (max-width:768px){
  .nav{
    position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:4px;padding:14px 18px 20px;
    box-shadow:var(--shadow);display:none;
  }
  .nav.open{display:flex;}
  .nav a{padding:12px 14px;border-radius:12px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .grid-2,.grid-3,.feed-grid{grid-template-columns:1fr;}
  .stats-strip{margin-top:-26px;}
  .stat-item{border-right:none;}
  .split-media .float-note{left:0;bottom:14px;max-width:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .stats-card{grid-template-columns:1fr;gap:6px;padding:20px;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:12px 4px;}
  .stat-item:last-child{border-bottom:none;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#ff5a3c;
  --brand-dark:#e04326;
  --brand-soft:#fff1ec;
  --ink:#101a2b;
  --ink-2:#2b3a52;
  --muted:#6b7a90;
  --line:#e6eaf1;
  --bg:#f6f7fb;
  --white:#ffffff;
  --accent:#0f9d8f;
  --accent-soft:#e8f7f5;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(16,26,43,.06);
  --shadow:0 12px 34px rgba(16,26,43,.10);
  --shadow-lg:0 24px 60px rgba(16,26,43,.16);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:36px; --sp-5:56px; --sp-6:88px;
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,90,60,.45);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
.section{padding:clamp(44px,6vw,76px) 0;}
.section--alt{background:var(--white);}
.section--ink{background:var(--ink);color:#c9d3e2;}
.section--ink h2,.section--ink h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:var(--sp-4);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;letter-spacing:-.01em;color:var(--ink);}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,90,60,.35);
}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav a:hover{background:#f1f3f8;color:var(--ink);}
.nav a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,60,.3);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;
  background:var(--ink);color:#fff;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-cta:hover{background:#1b2942;transform:translateY(-2px);box-shadow:var(--shadow);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
/* ===== Category hero ===== */
.hero-cat{position:relative;overflow:hidden;background:#12203a;color:#fff;}
.hero-cat-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;transform:scale(1.02);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,22,38,.94) 0%,rgba(12,22,38,.78) 46%,rgba(12,22,38,.34) 100%);
}
.hero-cat-inner{position:relative;z-index:2;padding:clamp(40px,6vw,72px) 22px clamp(38px,5vw,60px);}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#b9c6da;margin-bottom:20px;}
.crumb a{color:#dfe7f3;font-weight:600;}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span[aria-current]{color:#8fa1bb;}
.hero-cat-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.08em;color:#ffd9cf;background:rgba(255,90,60,.22);
  border:1px solid rgba(255,138,92,.5);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.hero-cat h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.24;letter-spacing:-.02em;
  color:#fff;max-width:820px;
}
.hero-cat h1 em{font-style:normal;color:#ffb199;}
.hero-cat-lead{margin-top:16px;max-width:660px;color:#c9d5e6;font-size:clamp(15px,1.5vw,17px);}
.hero-cat-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  margin-top:34px;max-width:840px;
}
.hero-facts li{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:14px 16px;backdrop-filter:blur(6px);
}
.hero-facts b{display:block;font-size:20px;color:#fff;line-height:1.3;}
.hero-facts span{font-size:13px;color:#a8b8ce;}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(255,90,60,.32);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,60,.36);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:#cdd6e3;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4);}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.99);}
/* ===== Grids & cards ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8e0ec;}
.card-body{padding:22px 22px 24px;}
.card-body h3{font-size:19px;color:var(--ink);margin-bottom:8px;line-height:1.45;}
.card-body p{font-size:14.8px;color:var(--muted);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:12.8px;font-weight:600;color:var(--ink-2);background:#f4f6fa;
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;
}
.tag--accent{color:#0a6f65;background:var(--accent-soft);border-color:#ccece8;}
.badge{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:700;
  color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
.card-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:800;margin-bottom:14px;
}
/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step b.ord{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13.5px;font-weight:800;margin-bottom:14px;
}
.step h3{font-size:17px;color:var(--ink);margin-bottom:8px;}
.step p{font-size:14.4px;color:var(--muted);}
/* ===== Pace board ===== */
.pace-board{display:grid;gap:12px;}
.pace-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.6fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pace-row:hover{border-color:#cfd9e8;transform:translateX(3px);box-shadow:var(--shadow);}
.pace-row strong{color:var(--ink);font-size:16px;}
.pace-row .pace{font-weight:800;color:var(--accent);font-size:15.5px;letter-spacing:.01em;}
.pace-row span{font-size:14.4px;color:var(--muted);}
/* ===== Scene ===== */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.scene-card img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0;}
.scene-card .scene-body{padding:22px 24px 26px;}
.scene-card h3{font-size:18.5px;color:var(--ink);margin-bottom:8px;}
.scene-card p{font-size:14.6px;color:var(--muted);}
/* ===== Trust ===== */
.trust-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,52px);align-items:center;}
.trust-list{display:grid;gap:16px;margin-top:26px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm);}
.trust-item .ic{
  flex:none;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--accent-soft);color:#0a6f65;font-weight:800;font-size:14px;
}
.trust-item h3{font-size:16px;color:var(--ink);margin-bottom:4px;}
.trust-item p{font-size:14.2px;color:var(--muted);}
.trust-photo{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;aspect-ratio:4/3.3;object-fit:cover;}
/* ===== Voices ===== */
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.voice p{font-size:15px;color:var(--ink-2);}
.voice .who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px;}
.voice .avatar{
  width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);color:#fff;font-weight:800;font-size:15px;
}
.voice .who b{display:block;font-size:14.5px;color:var(--ink);}
.voice .who span{font-size:12.8px;color:var(--muted);}
/* ===== Feed ===== */
.feed-card{display:flex;height:100%;}
.feed-link{display:flex;flex-direction:column;justify-content:space-between;gap:16px;padding:24px 22px;width:100%;}
.feed-link h3{font-size:17.5px;color:var(--ink);line-height:1.5;}
.feed-link p{font-size:14.3px;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.feed-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.8px;color:var(--muted);}
.feed-link:hover h3{color:var(--brand-dark);}
.empty-note{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:28px;text-align:center;color:var(--muted);font-size:15px;
}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:860px;}
.faq-list details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 20px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list details[open]{border-color:#ffc7b8;box-shadow:var(--shadow);}
.faq-list summary{
  list-style:none;cursor:pointer;padding:18px 30px 18px 0;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"+";position:absolute;right:0;top:16px;font-size:22px;font-weight:600;color:var(--brand);
  transition:transform .2s ease;
}
.faq-list details[open] summary::after{content:"−";}
.faq-list .faq-body{padding:0 0 20px;font-size:14.8px;color:var(--muted);}
/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(120deg,#101a2b 0%,#22364f 58%,#2f4a67 100%);
  color:#d7e1ef;border-radius:var(--radius-lg);
  padding:clamp(30px,5vw,52px);display:grid;grid-template-columns:1.25fr .75fr;
  gap:28px;align-items:center;box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.7vw,32px);line-height:1.32;}
.cta-band p{margin-top:12px;font-size:15px;color:#b9c8db;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
/* ===== Footer ===== */
.site-footer{background:#0d1626;color:#9fb0c6;padding:clamp(44px,5vw,64px) 0 26px;margin-top:clamp(24px,4vw,0px);}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:32px;}
.site-footer .logo{color:#fff;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.site-footer p{font-size:14px;color:#93a5bc;line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9fb0c6;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#93a5bc;}
.footer-contact b{color:#dbe6f4;font-weight:600;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7d8ea6;
}
.footer-bottom a{color:#b7c7db;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-wrap{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .pace-row{grid-template-columns:1fr 1fr;gap:8px 16px;}
  .pace-row span{grid-column:1 / -1;}
}
@media (max-width:768px){
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .site-header.nav-open .nav{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:72px;padding:14px 22px 20px;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .site-header.nav-open .nav a{padding:12px 14px;border-radius:12px;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-2,.grid-3,.grid-4,.steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:38px 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-cat-inner{padding:32px 16px 36px;}
  .hero-cat h1{font-size:26px;}
  .hero-facts{grid-template-columns:1fr;gap:10px;}
  .btn{width:100%;}
  .hero-cat-actions{gap:10px;}
  .card-body{padding:18px;}
  .feed-link{padding:20px 18px;}
  .footer-bottom{flex-direction:column;}
}