/* roulang page: index */
:root{
  --ink:#232B4D;
  --ink-deep:#1A1F35;
  --orange:#F2622B;
  --orange-dark:#D9501E;
  --teal:#2FA79A;
  --teal-deep:#1F7C72;
  --gold:#E8B44A;
  --bg:#FAF8F5;
  --bg-alt:#F2EFEA;
  --white:#ffffff;
  --text:#1A1D29;
  --text-2:#5A6072;
  --text-3:#8A8F9C;
  --line:#E3DFD8;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --shadow-card:0 2px 8px rgba(26,29,41,.06),0 12px 32px rgba(26,29,41,.05);
  --shadow-hover:0 6px 16px rgba(26,29,41,.09),0 18px 44px rgba(26,29,41,.08);
  --container:1200px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,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:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  padding-bottom:80px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:3px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:700;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.5vw,32px);line-height:1.35;}
.section-head .lead{margin:10px 0 0;font-size:16px;color:var(--text-2);max-width:44em;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--orange);white-space:nowrap;}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--orange-dark);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;text-align:center;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 4px 14px rgba(242,98,43,.22);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 22px rgba(242,98,43,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(242,98,43,.22);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(35,43,77,.07);color:var(--ink);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--ink);border-color:#fff;}
.btn-light:hover{background:#fff5ef;color:var(--orange-dark);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(26,29,41,.08);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{display:inline-flex;width:28px;height:28px;flex:none;}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--orange);}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--text-2);border-radius:8px;
}
.nav-link:hover{color:var(--ink);background:rgba(35,43,77,.05);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--orange);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none;}
.nav-search{
  display:flex;align-items:center;height:40px;padding:0 16px;
  background:var(--bg-alt);border:2px solid transparent;border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(242,98,43,.14);}
.nav-search input{border:0;background:transparent;outline:none;width:176px;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 18px 24px;}
.nav-drawer.is-open{display:block;}
.nav-drawer .nav-search{width:100%;margin-bottom:14px;}
.nav-drawer .nav-search input{width:100%;}
.nav-drawer-link{display:block;padding:13px 4px;font-size:16px;font-weight:500;color:var(--text-2);border-bottom:1px solid var(--line);}
.nav-drawer-link.is-active{color:var(--orange);font-weight:700;}
.nav-drawer .btn{width:100%;margin-top:18px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(35,43,77,.55) 1px,transparent 1px),radial-gradient(rgba(35,43,77,.35) 1px,transparent 1px);
  background-size:140px 140px,200px 200px;
  background-position:0 0,70px 90px;
  opacity:.05;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;padding:64px 0 84px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(47,167,154,.12);color:var(--teal-deep);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;}
.hero h1{font-size:clamp(30px,3.4vw,44px);line-height:1.3;letter-spacing:-.01em;margin:20px 0 18px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:32em;margin:0 0 30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;margin-top:26px;font-size:14px;color:var(--text-3);}
.hero-trust span{display:inline-flex;align-items:center;}
.hero-trust span+span::before{content:"·";margin:0 12px;color:var(--line);}
.hero-media{position:relative;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-card);}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4;}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:36px 22px 18px;color:#fff;font-size:14px;line-height:1.6;
  background:linear-gradient(to top,rgba(26,31,53,.86),rgba(26,31,53,.28) 62%,rgba(26,31,53,0));
}

/* ---------- Value cards ---------- */
.value-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.value-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.value-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(47,167,154,.32);}
.value-num{display:block;font-size:46px;font-weight:700;line-height:1;letter-spacing:-.03em;color:var(--gold);}
.value-card h3{font-size:22px;margin:16px 0 12px;}
.value-card p{font-size:15.5px;line-height:1.85;color:var(--text-2);}
.value-card .watermark{
  position:absolute;right:-16px;bottom:-24px;width:150px;height:150px;opacity:.05;pointer-events:none;
}
.value-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.value-stack .value-card{padding:28px;display:flex;flex-direction:column;justify-content:center;}
.value-stack .value-num{font-size:32px;}
.value-stack h3{font-size:20px;margin:12px 0 8px;}
.value-stack p{font-size:15px;line-height:1.8;}

/* ---------- Scene ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.scene-media{border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-card);}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.steps{position:relative;}
.steps li{position:relative;padding:0 0 30px 56px;}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  content:"";position:absolute;left:15px;top:38px;bottom:2px;width:0;
  border-left:1px dashed #CFC9C0;
}
.steps li:last-child::before{display:none;}
.step-dot{
  position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;background:var(--ink);color:#fff;font-size:14px;font-weight:700;
}
.steps li.is-current .step-dot{background:var(--orange);box-shadow:0 4px 12px rgba(242,98,43,.28);}
.steps h3{font-size:18px;margin:3px 0 6px;}
.steps p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}

/* ---------- News / CMS ---------- */
.news-feature{
  display:grid;grid-template-columns:1.02fr .98fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(47,167,154,.32);}
.thumb-ph{
  display:grid;place-items:center;border-radius:10px;overflow:hidden;
  background:linear-gradient(135deg,#232B4D 0%,#39456F 55%,#2FA79A 140%);
  aspect-ratio:16/9;color:rgba(255,255,255,.9);font-size:30px;
}
.news-feature .thumb-ph{aspect-ratio:16/10;}
.news-feature-body h3{font-size:22px;line-height:1.45;margin:10px 0 10px;}
.news-feature-body h3 a:hover{color:var(--orange);}
.news-feature-body p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0 0 14px;}
.tag-topic{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(47,167,154,.13);color:var(--teal-deep);font-size:12.5px;font-weight:600;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(47,167,154,.32);}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a:hover{color:var(--orange);}
.news-card p{
  font-size:14.5px;line-height:1.75;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:230px;padding:40px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.news-empty .ico{width:64px;height:64px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:var(--text-3);font-size:26px;}
.news-empty strong{font-size:16px;color:var(--ink);}
.news-empty span{font-size:13px;color:var(--text-3);}

/* ---------- Topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(47,167,154,.32);}
.topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.topic-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:18px;line-height:1.5;}
.topic-body p{font-size:14.5px;line-height:1.78;color:var(--text-2);margin:0;}
.topic-body .link-arrow{margin-top:auto;padding-top:6px;font-size:14px;}

/* ---------- Stats & quotes ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 20px;text-align:center;box-shadow:var(--shadow-card);
}
.stat strong{display:block;font-size:clamp(30px,3.2vw,44px);font-weight:700;line-height:1.1;color:var(--orange);letter-spacing:-.02em;}
.stat em{display:block;font-style:normal;font-size:15px;font-weight:600;color:var(--ink);margin-top:8px;}
.stat span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;line-height:1.7;}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px;}
.quote{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.quote::after{
  content:"“";position:absolute;top:4px;right:20px;font-family:Georgia,serif;
  font-size:60px;line-height:1;color:rgba(232,180,74,.34);
}
.quote p{font-size:15.5px;line-height:1.85;color:var(--text-2);margin:0 0 18px;}
.quote-person{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,#232B4D,#2FA79A);color:#fff;font-size:15px;font-weight:700;
}
.quote-person strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.5;}
.quote-person .role{
  display:inline-block;margin-top:4px;padding:2px 10px;border-radius:999px;
  background:rgba(47,167,154,.13);color:var(--teal-deep);font-size:12px;font-weight:600;
}

/* ---------- Ask form ---------- */
.ask-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;}
.ask-copy h2{font-size:clamp(24px,2.5vw,32px);margin-bottom:16px;}
.ask-copy p{font-size:16px;color:var(--text-2);}
.ask-points{margin-top:24px;display:grid;gap:12px;}
.ask-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.8;}
.ask-points li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:11px;border-radius:2px;background:var(--teal);
}
.ask-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:var(--r-btn);
  background:var(--bg);padding:11px 14px;font-size:15px;color:var(--text);font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(242,98,43,.14);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.form-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:12px;}
.form-ok{
  margin-bottom:18px;padding:12px 16px;border-radius:var(--r-btn);
  background:rgba(47,167,154,.13);color:var(--teal-deep);font-size:14px;line-height:1.7;
  border:1px solid rgba(47,167,154,.28);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;width:32px;height:32px;border-radius:50%;
  border:1.5px solid var(--line);display:grid;place-items:center;
  font-size:18px;font-weight:400;color:var(--ink);transition:all .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--orange);border-color:var(--orange);color:#fff;}
.faq-item summary:hover{color:var(--orange);}
.faq-item summary:hover::after{border-color:var(--orange);color:var(--orange);}
.faq-item[open] summary:hover::after{color:#fff;}
.faq-body{padding:0 4px 20px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ---------- Dark CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-deep);color:#C9CDD8;
  padding:72px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px),radial-gradient(rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:110px 110px,170px 170px;
  background-position:0 0,55px 70px;
  opacity:.07;
}
.cta-band .inner{position:relative;max-width:720px;margin:0 auto;padding:0 32px;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.cta-band p{font-size:16px;line-height:1.85;color:#B9BFCF;margin-bottom:28px;}

/* ---------- Footer ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--ink-deep);color:#C9CDD8;padding-top:64px;}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:130px 130px;opacity:.06;
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9AA1B4;margin:0 0 16px;max-width:30em;}
.footer-contact{font-size:14px;line-height:2;color:#9AA1B4;}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.03em;}
.footer-links{display:grid;gap:2px;}
.footer-links a{display:inline-block;padding:5px 0;font-size:14px;color:#C9CDD8;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--orange);transform:translateX(2px);}
.footer-bottom{
  position:relative;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8A90A3;line-height:1.8;
}
.footer-bottom a{color:#8A90A3;}
.footer-bottom a:hover{color:var(--orange);}

/* ---------- Sticky CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:130;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -4px 20px rgba(26,29,41,.08);
}
.sticky-inner{display:flex;align-items:center;gap:16px;height:64px;}
.sticky-text{display:flex;flex-direction:column;justify-content:center;min-width:0;flex:1;}
.sticky-text strong{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-text span{font-size:13px;color:var(--text-3);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-close{
  width:32px;height:32px;flex:none;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text-3);font-size:18px;line-height:1;
  display:grid;place-items:center;transition:all .2s ease;
}
.sticky-close:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .nav-inner{gap:20px;}
  .nav-link{padding:10px 10px;}
  .nav-link.is-active::after{left:10px;right:10px;}
  .nav-search input{width:130px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-menu,.nav-actions{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{height:66px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 0 64px;}
  .hero-media img{aspect-ratio:4/3;}
  .value-grid{grid-template-columns:1fr;}
  .value-stack{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .scene-grid{grid-template-columns:1fr;gap:36px;}
  .news-feature{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:1fr 1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .quotes{grid-template-columns:1fr;}
  .ask-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:88px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1;min-width:150px;}
  .news-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .value-stack{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .ask-form{padding:22px;}
  .sticky-inner{height:60px;gap:12px;}
  .sticky-text span{display:none;}
  .sticky-text strong{font-size:14px;}
  .sticky-inner .btn-sm{padding:8px 14px;font-size:13px;}
  .cta-band{padding:56px 0;}
  .cta-band .inner{padding:0 18px;}
  .quote,.value-card,.news-card{padding:22px;}
  .news-feature{padding:16px;}
  .value-num{font-size:36px;}
}
@media (max-width:559px){
  .footer-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-trust{flex-direction:column;align-items:flex-start;gap:6px;}
  .hero-trust span+span::before{display:none;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --indigo:#232B4D;
  --indigo-deep:#1A1F35;
  --orange:#F2622B;
  --orange-deep:#D9501E;
  --cyan:#2FA79A;
  --gold:#E8B44A;
  --bg:#FAF8F5;
  --bg-alt:#F2EFEA;
  --dark:#1A1F35;
  --text:#1A1D29;
  --muted:#5A6072;
  --weak:#8A8F9C;
  --border:#E3DFD8;
  --white:#FFFFFF;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-card:0 2px 8px rgba(26,29,41,.06), 0 12px 32px rgba(26,29,41,.05);
  --shadow-card-hover:0 6px 16px rgba(26,29,41,.10), 0 18px 42px rgba(26,29,41,.08);
  --shadow-nav:0 1px 2px rgba(26,29,41,.08);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",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:1.85;
  color:var(--text);
  background:var(--bg);
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease}
a:hover{color:var(--orange)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,blockquote,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(242,98,43,.18);color:var(--indigo)}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--white);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-nav);
}
.header-inner{
  min-height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--indigo);
}
.brand:hover{color:var(--indigo)}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(35,43,77,.06);
}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:72px;
  font-size:15px;
  color:var(--indigo);
  font-weight:500;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background:transparent;
  transition:background-color .2s ease;
}
.nav-link:hover{color:var(--orange-deep)}
.nav-link:hover::after{background:rgba(242,98,43,.45)}
.nav-link.is-active{font-weight:700;color:var(--indigo)}
.nav-link.is-active::after{background:var(--orange)}
.header-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg-alt);
  border:1px solid transparent;
  border-radius:999px;
  padding:7px 14px;
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.search-form:focus-within{
  border-color:var(--orange);
  background:var(--white);
  box-shadow:0 0 0 3px rgba(242,98,43,.14);
}
.search-form svg{flex-shrink:0;color:var(--weak)}
.search-form input{
  width:150px;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  color:var(--text);
}
.search-form input::placeholder{color:var(--weak)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  padding:11px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  text-align:center;
  border:1.5px solid transparent;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary{
  background:var(--orange);
  color:var(--white);
  box-shadow:0 6px 16px rgba(242,98,43,.20);
}
.btn-primary:hover{
  background:var(--orange-deep);
  color:var(--white);
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(242,98,43,.26);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(242,98,43,.20)}
.btn-outline{
  background:transparent;
  color:var(--indigo);
  border-color:var(--indigo);
}
.btn-outline:hover{
  color:var(--orange-deep);
  border-color:var(--orange);
  background:rgba(242,98,43,.06);
  transform:translateY(-1px);
}
.btn-sm{padding:9px 18px;font-size:14px}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--border);
  align-items:center;
  justify-content:center;
  color:var(--indigo);
  background:var(--white);
}
.menu-toggle:hover{background:var(--bg-alt)}
.mobile-drawer{
  position:fixed;
  inset:0 0 auto 0;
  z-index:1200;
  background:var(--white);
  border-bottom:1px solid var(--border);
  box-shadow:0 18px 40px rgba(26,29,41,.12);
  padding:18px 20px 24px;
  transform:translateY(-110%);
  transition:transform .28s ease;
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.drawer-search{width:100%;margin-bottom:14px}
.drawer-search input{width:100%}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:16px}
.drawer-nav a{
  min-height:48px;
  display:flex;
  align-items:center;
  font-size:16px;
  color:var(--indigo);
  border-bottom:1px solid var(--border);
}
.drawer-nav a.is-active{color:var(--orange);font-weight:700}
.drawer-cta{width:100%}
.drawer-close{
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--border);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--indigo);
}
.drawer-close:hover{background:var(--bg-alt)}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:var(--white);
  border-bottom:1px solid var(--border);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-size:14px;
  color:var(--weak);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{color:var(--border)}
.breadcrumb .current{color:var(--weak);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  background:
    radial-gradient(circle at 1px 1px, rgba(35,43,77,.10) 1px, transparent 0) 0 0/22px 22px,
    linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:rgba(47,167,154,.08);
  pointer-events:none;
}
.article-head{
  position:relative;
  z-index:1;
  max-width:860px;
  padding:56px 0 52px;
}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  padding:5px 12px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  background:rgba(47,167,154,.12);
  color:#1E7D73;
  white-space:nowrap;
}
.pill-orange{background:rgba(242,98,43,.12);color:var(--orange-deep)}
.pill-gold{background:rgba(232,180,74,.18);color:#8A6416}
.article-head h1{
  font-size:clamp(30px,3.4vw,44px);
  line-height:1.32;
  font-weight:700;
  color:var(--indigo);
  letter-spacing:.2px;
  margin:0 0 18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:14px;
  color:var(--muted);
}
.article-meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--border);
  display:inline-block;
}
.article-meta strong{color:var(--indigo);font-weight:600}

/* ============ 正文区域 ============ */
.article-main{
  padding:64px 0 72px;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px);
  justify-content:center;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  margin:2.4em 0 .8em;
  padding-left:14px;
  font-size:28px;
  line-height:1.4;
  font-weight:700;
  color:var(--indigo);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  bottom:.18em;
  width:4px;
  border-radius:2px;
  background:var(--orange);
}
.article-body h3{
  margin:2em 0 .7em;
  font-size:21px;
  line-height:1.55;
  font-weight:600;
  color:var(--indigo);
}
.article-body h4{
  margin:1.8em 0 .6em;
  font-size:18px;
  line-height:1.6;
  font-weight:600;
  color:var(--indigo);
}
.article-body a{
  color:var(--orange-deep);
  border-bottom:1px solid rgba(242,98,43,.35);
}
.article-body a:hover{border-bottom-color:var(--orange)}
.article-body ul,
.article-body ol{
  margin:0 0 1.5em;
  padding-left:1.35em;
}
.article-body ul{list-style:none}
.article-body ul li{position:relative}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:-1.05em;
  top:.72em;
  width:6px;
  height:6px;
  border-radius:1px;
  background:var(--orange);
}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55em;padding-left:.2em}
.article-body blockquote{
  margin:1.8em 0;
  padding:16px 20px;
  background:var(--bg-alt);
  border-left:3px solid var(--cyan);
  border-radius:0 10px 10px 0;
  color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:12px;
  margin:1.6em auto;
}
.article-body figure{margin:1.8em 0}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--weak);
}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:1.8em 0;
  font-size:15px;
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
}
.article-body thead th{
  background:var(--bg-alt);
  color:var(--indigo);
  font-weight:700;
  text-align:left;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--border);
}
.article-body tbody tr:nth-child(even){background:rgba(242,239,234,.5)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{
  border:0;
  height:1px;
  background:var(--border);
  margin:2.6em 0;
}
.article-body code{
  background:var(--bg-alt);
  border-radius:4px;
  padding:2px 6px;
  font-size:.92em;
}
.empty-state{
  border:1px dashed var(--border);
  background:var(--white);
  border-radius:var(--radius-card);
  padding:56px 28px;
  text-align:center;
  box-shadow:var(--shadow-card);
}
.empty-state svg{color:var(--weak);margin:0 auto 16px}
.empty-state h2{
  font-size:24px;
  color:var(--indigo);
  margin-bottom:8px;
}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ============ 文末操作 ============ */
.article-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--border);
}
.share-row{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--weak);
}
.share-btn{
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--border);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  background:var(--white);
}
.share-btn:hover{color:var(--orange);border-color:rgba(242,98,43,.4);background:rgba(242,98,43,.06)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--orange-deep);
}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 相关推荐 ============ */
.related-section{
  background:var(--bg-alt);
  border-top:1px solid var(--border);
  padding:64px 0 72px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  color:var(--indigo);
  margin:0;
}
.section-head p{margin-top:6px;font-size:14px;color:var(--muted)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.content-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.content-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(47,167,154,.3);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--indigo);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.content-card:hover .card-media img{transform:scale(1.04)}
.card-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:18px 18px 20px;
  flex:1;
}
.card-body h3{
  font-size:17px;
  line-height:1.55;
  color:var(--indigo);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--weak);
}
.tag{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:3px 10px;
  font-size:12px;
  font-weight:600;
  background:rgba(47,167,154,.12);
  color:#1E7D73;
  white-space:nowrap;
}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:900;
  background:var(--white);
  border-top:1px solid var(--border);
  box-shadow:0 -8px 24px rgba(26,29,41,.08);
}
.sticky-inner{
  min-height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding-top:10px;
  padding-bottom:10px;
}
.sticky-copy{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:1px;
}
.sticky-copy strong{
  font-size:15px;
  color:var(--indigo);
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-copy span{
  font-size:13px;
  color:var(--weak);
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.sticky-close{
  width:34px;
  height:34px;
  border-radius:9px;
  border:1px solid var(--border);
  color:var(--weak);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  line-height:1;
}
.sticky-close:hover{color:var(--indigo);background:var(--bg-alt)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#C9CDD8;
  padding-top:64px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0) 0 0/24px 24px;
  pointer-events:none;
  opacity:.7;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:var(--white);margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:#A9AFBF;
  max-width:320px;
  margin-bottom:16px;
}
.footer-contact{
  font-size:13px;
  line-height:1.9;
  color:#8F96A8;
}
.footer-contact strong{color:#D7DBE5;font-weight:600}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:var(--white);
  margin:6px 0 16px;
  letter-spacing:.4px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:#C9CDD8;
  width:fit-content;
}
.footer-links a:hover{color:var(--orange);transform:translateX(2px)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;
  color:#8F96A8;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding-left:26px;padding-right:26px}
  .header-inner{gap:22px}
  .nav-menu{gap:20px}
  .search-form input{width:120px}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px}
  .search-form{display:none}
  .nav-menu{gap:16px}
  .nav-link{font-size:14px;height:68px}
  .header-inner{min-height:68px;gap:18px}
  .brand-text{font-size:17px}
  .article-head{padding:48px 0 44px}
  .article-main{padding:52px 0 60px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .footer-brand p{max-width:560px}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:88px}
  .container{padding-left:18px;padding-right:18px}
  .nav-menu{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{min-height:64px;gap:12px}
  .brand-mark{width:34px;height:34px}
  .brand-text{font-size:16px}
  .header-tools .btn{display:none}
  .breadcrumb{padding:13px 0;font-size:13px}
  .breadcrumb .current{max-width:52%}
  .article-head{padding:36px 0 34px}
  .article-head h1{font-size:clamp(24px,7vw,32px);line-height:1.38}
  .article-meta{font-size:13px;gap:8px 12px}
  .article-main{padding:40px 0 48px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:23px;margin-top:2.1em}
  .article-body h3{font-size:19px}
  .related-section{padding:48px 0 56px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:23px}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .article-actions{flex-direction:column;align-items:flex-start}
  .sticky-inner{min-height:60px;gap:10px}
  .sticky-copy strong{font-size:14px;max-width:46vw}
  .sticky-copy span{max-width:46vw}
  .sticky-copy span{display:none}
  .sticky-actions .btn{padding:9px 16px;font-size:14px}
  .sticky-close{width:30px;height:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-bottom:34px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .article-tags{gap:8px;margin-bottom:14px}
  .pill{font-size:12px;padding:4px 10px}
  .article-body{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
  .sticky-actions{gap:8px}
}

/* roulang page: category1 */
:root{
  --ink:#232B4D;
  --ink-deep:#1A1F35;
  --orange:#F2622B;
  --orange-d:#D9501E;
  --teal:#2FA79A;
  --gold:#E8B44A;
  --bg:#FAF8F5;
  --bg-alt:#F2EFEA;
  --text:#1A1D29;
  --text-2:#5A6072;
  --text-3:#8A8F9C;
  --line:#E3DFD8;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 2px 8px rgba(26,29,41,.06), 0 12px 32px rgba(26,29,41,.05);
  --sh-card-hover:0 4px 12px rgba(26,29,41,.09), 0 18px 40px rgba(26,29,41,.09);
  --sh-nav:0 1px 2px rgba(26,29,41,.08);
  --gutter:32px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(242,98,43,.18);}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(150deg,#2B3563,#232B4D);
  box-shadow:0 4px 12px rgba(35,43,77,.22);
}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:.3px;
  color:var(--ink);
  white-space:nowrap;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-14px;
  height:3px;
  border-radius:3px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{
  position:absolute;
  left:14px;
  width:16px;
  height:16px;
  color:var(--text-3);
  pointer-events:none;
}
.search-box input{
  width:200px;
  padding:9px 16px 9px 38px;
  font-size:14px;
  background:var(--bg-alt);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  outline:none;
  background:var(--white);
  border-color:var(--orange);
  box-shadow:0 0 0 4px rgba(242,98,43,.14);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  transition:background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--orange);
  color:#fff;
  box-shadow:0 6px 18px rgba(242,98,43,.26);
}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,98,43,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,98,43,.24);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-block{width:100%;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#F4F1EC;color:var(--ink);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--orange);
}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 通用标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  border-radius:var(--r-pill);
  background:rgba(47,167,154,.12);
  color:#20776D;
}
.tag-gold{background:rgba(232,180,74,.18);color:#8A6416;}
.tag-ink{background:rgba(35,43,77,.08);color:var(--ink);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--text-2);
  text-transform:none;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--orange);
}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;
  padding:52px 0 60px;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(35,43,77,.055) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.9;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  line-height:1.32;
  color:var(--ink);
  margin:16px 0 16px;
  letter-spacing:.2px;
}
.hero-copy .lede{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.hero-figure{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  background:#E7E2DA;
}
.hero-figure img{
  width:100%;
  height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-figure figcaption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:26px 18px 14px;
  font-size:13px;
  line-height:1.6;
  color:#fff;
  background:linear-gradient(to top, rgba(26,31,53,.82), rgba(26,31,53,0));
}
.live-strip{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px dashed var(--line);
  font-size:14px;
  color:var(--text-2);
}
.live-dot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--ink);
}
.live-dot i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(242,98,43,.16);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(242,98,43,.16);}
  50%{box-shadow:0 0 0 8px rgba(242,98,43,.04);}
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-title{
  font-size:clamp(23px,2.5vw,30px);
  font-weight:700;
  line-height:1.38;
  color:var(--ink);
  margin:12px 0 10px;
}
.section-sub{
  font-size:16px;
  color:var(--text-2);
  max-width:620px;
  line-height:1.85;
}

/* ---------- 卖点错位三连 ---------- */
.features-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:stretch;
}
.feature-stack{
  display:grid;
  gap:24px;
}
.card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:30px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow:hidden;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-card-hover);
  border-color:rgba(47,167,154,.45);
}
.feature-main{padding:36px;display:flex;flex-direction:column;justify-content:center;}
.feature-num{
  font-size:52px;
  font-weight:700;
  line-height:1;
  color:var(--gold);
  letter-spacing:-1px;
  margin-bottom:18px;
}
.feature-stack .feature-num{font-size:34px;margin-bottom:14px;color:var(--teal);}
.card h3{
  font-size:21px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  margin-bottom:12px;
}
.card p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}
.feature-main .watermark{
  position:absolute;
  right:-14px;
  bottom:-16px;
  opacity:.05;
  pointer-events:none;
}

/* ---------- 专题大卡列表 ---------- */
.topic-list{display:grid;gap:22px;}
.topic-card{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:32px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.topic-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-card-hover);
  border-color:rgba(242,98,43,.35);
}
.topic-card figure{
  border-radius:12px;
  overflow:hidden;
  background:#E7E2DA;
}
.topic-card figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease;
}
.topic-card:hover figure img{transform:scale(1.03);}
.topic-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  margin:12px 0 10px;
}
.topic-body p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:16px;
}
.topic-tags{display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 发布节奏流程 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:center;
}
.flow-figure{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  background:#E7E2DA;
}
.flow-figure img{
  width:100%;
  aspect-ratio:4/3.4;
  object-fit:cover;
}
.process{position:relative;display:grid;gap:26px;}
.process::before{
  content:"";
  position:absolute;
  left:16px;
  top:14px;
  bottom:14px;
  border-left:1px dashed var(--line);
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:34px 1fr;
  gap:18px;
  align-items:start;
}
.step-num{
  position:relative;
  z-index:1;
  width:34px;
  height:34px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  color:#fff;
  background:var(--ink);
  box-shadow:0 4px 12px rgba(35,43,77,.2);
}
.step:nth-child(2) .step-num{background:var(--orange);box-shadow:0 4px 12px rgba(242,98,43,.28);}
.step h3{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
  margin-bottom:4px;
}
.step p{
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 数据与社会认同 ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:34px 8px;
  margin-bottom:40px;
}
.metric{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.metric:first-child{border-left:0;}
.metric-num{
  font-size:42px;
  font-weight:700;
  line-height:1;
  color:var(--orange);
  letter-spacing:-1px;
}
.metric-num small{
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  margin-left:4px;
  letter-spacing:0;
}
.metric p{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.quotes{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.quote-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:30px;
}
.quote-card::before{
  content:"“";
  position:absolute;
  top:6px;
  right:22px;
  font-size:64px;
  line-height:1;
  color:rgba(35,43,77,.08);
  font-family:Georgia,serif;
}
.quote-card blockquote{
  margin:0 0 20px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--text);
}
.quote-person{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(140deg,#2B3563,#232B4D);
  flex-shrink:0;
}
.avatar.alt{background:linear-gradient(140deg,#2FA79A,#1F7A70);}
.quote-person strong{
  display:block;
  font-size:15px;
  color:var(--ink);
  line-height:1.5;
}
.quote-person .role{
  margin-top:6px;
  padding:3px 10px;
  font-size:12px;
  font-weight:600;
  border-radius:var(--r-pill);
  color:#20776D;
  background:rgba(47,167,154,.14);
}

/* ---------- FAQ ---------- */
.faq{
  max-width:900px;
  margin:0 auto;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.faq details{border-top:1px solid var(--line);}
.faq details:first-child{border-top:0;}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 26px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:background .18s ease, color .18s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:rgba(47,167,154,.06);}
.faq summary::after{
  content:"+";
  flex-shrink:0;
  width:32px;
  height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  font-weight:600;
  line-height:1;
  color:var(--ink);
  border:1.5px solid var(--line);
  border-radius:50%;
  transition:background .18s ease, color .18s ease, border-color .18s ease;
}
.faq details[open] summary::after{
  content:"−";
  background:var(--orange);
  border-color:var(--orange);
  color:#fff;
}
.faq details[open] summary{background:rgba(47,167,154,.06);}
.faq .faq-body{
  padding:0 26px 22px;
  font-size:15px;
  line-height:1.95;
  color:var(--text-2);
  max-width:760px;
}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  position:relative;
  background:var(--ink-deep);
  color:#fff;
  padding:76px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.7;
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(23px,2.6vw,31px);
  font-weight:700;
  line-height:1.4;
  margin:12px 0 14px;
}
.cta-band .cta-lede{
  font-size:16px;
  line-height:1.85;
  color:#C9CDD8;
  max-width:460px;
}
.cta-band .eyebrow{color:#C9CDD8;}
.cta-band .eyebrow::before{background:var(--orange);}
.cta-points{
  display:grid;
  gap:10px;
  margin-top:24px;
  font-size:14.5px;
  color:#C9CDD8;
}
.cta-points li{
  display:flex;
  align-items:center;
  gap:10px;
}
.cta-points li::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--teal);
  flex-shrink:0;
}
.form-card{
  background:var(--white);
  border-radius:16px;
  padding:30px;
  box-shadow:0 18px 44px rgba(0,0,0,.22);
}
.form-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.form-card .form-note{
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:20px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:7px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:11px 14px;
  background:var(--bg);
  border:1.5px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.8;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--orange);
  box-shadow:0 0 0 4px rgba(242,98,43,.13);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.form-hint{
  display:none;
  margin-top:14px;
  padding:11px 14px;
  font-size:14px;
  border-radius:var(--r-btn);
  background:rgba(47,167,154,.13);
  color:#1C6E65;
  line-height:1.7;
}
.form-hint.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:#C9CDD8;
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:#A6ABBB;
  max-width:330px;
  margin-bottom:18px;
}
.footer-contact{
  font-size:13.5px;
  line-height:2;
  color:#A6ABBB;
}
.footer-contact strong{color:#E6E8EF;font-weight:600;}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-links{display:grid;gap:11px;}
.footer-links a{
  font-size:14px;
  color:#C9CDD8;
  transition:color .18s ease, transform .18s ease;
  display:inline-block;
}
.footer-links a:hover{color:var(--orange);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:#8F95A6;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:300;
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
  padding:0 var(--gutter);
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(26,29,41,.09);
}
.sticky-bar .bar-text{min-width:0;}
.sticky-bar .bar-text strong{
  display:block;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-bar .bar-text span{
  display:block;
  font-size:13px;
  color:var(--text-2);
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-bar .bar-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.bar-close{
  width:32px;
  height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:#fff;
  color:var(--text-3);
  font-size:18px;
  line-height:1;
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.bar-close:hover{color:var(--orange);border-color:var(--orange);background:rgba(242,98,43,.06);}
body.bar-hidden{padding-bottom:24px;}
body.bar-hidden .sticky-bar{display:none;}

/* ---------- 移动抽屉 ---------- */
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
}
.mobile-drawer{
  display:none;
  position:fixed;
  top:72px;
  left:0;
  right:0;
  bottom:0;
  z-index:250;
  background:#fff;
  border-top:1px solid var(--line);
  padding:22px var(--gutter) 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-search{margin-bottom:18px;}
.mobile-drawer .drawer-search input{
  width:100%;
  padding:11px 16px;
  background:var(--bg-alt);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
}
.mobile-drawer .drawer-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--orange);
  box-shadow:0 0 0 4px rgba(242,98,43,.13);
}
.drawer-nav{display:grid;margin-bottom:20px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:48px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--ink);font-weight:700;}
.drawer-nav a.is-active::before{
  content:"";
  width:4px;
  height:16px;
  border-radius:2px;
  background:var(--orange);
  margin-right:10px;
}
.drawer-close{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  width:100%;
  margin-top:18px;
  padding:12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sec:76px;}
  .hero-grid{gap:36px;}
  .flow-grid{gap:36px;}
  .topic-card{grid-template-columns:280px 1fr;gap:26px;}
}
@media (max-width:1023px){
  :root{--gutter:24px;--sec:64px;}
  .search-box{display:none;}
  .nav-menu{gap:20px;margin-left:0;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-figure{order:2;}
  .hero-figure img{aspect-ratio:16/9;}
  .features-grid{grid-template-columns:1fr;}
  .feature-main{padding:30px;}
  .flow-grid{grid-template-columns:1fr;}
  .flow-figure img{aspect-ratio:16/9;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:26px 0;padding:28px 8px;}
  .metric:nth-child(3){border-left:0;}
  .metric:nth-child(3),.metric:nth-child(4){border-top:1px solid var(--line);padding-top:26px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .quotes{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:14px;}
}
@media (max-width:767px){
  :root{--gutter:18px;--sec:48px;}
  body{font-size:15.5px;padding-bottom:78px;}
  .header-inner{height:64px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .header-actions .btn{display:none;}
  .mobile-drawer{top:64px;}
  .page-hero{padding:36px 0 44px;}
  .hero-copy h1{font-size:26px;margin:14px 0 14px;}
  .hero-copy .lede{font-size:15.5px;margin-bottom:22px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .live-strip{font-size:13.5px;gap:8px 14px;}
  .section-title{font-size:23px;}
  .feature-num{font-size:40px;}
  .feature-stack .feature-num{font-size:30px;}
  .card{padding:24px;}
  .topic-card{grid-template-columns:1fr;gap:18px;padding:18px;}
  .topic-body h3{font-size:18.5px;margin-top:10px;}
  .metrics{grid-template-columns:1fr;padding:8px 22px;}
  .metric{border-left:0;padding:20px 0;}
  .metric + .metric{border-top:1px solid var(--line);}
  .metric:nth-child(3),.metric:nth-child(4){padding-top:20px;}
  .metric-num{font-size:36px;}
  .quote-card{padding:24px;}
  .faq summary{padding:16px 18px;font-size:15px;gap:14px;}
  .faq .faq-body{padding:0 18px 18px;}
  .cta-band{padding:52px 0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{font-size:12.5px;line-height:1.8;}
  .sticky-bar{height:60px;gap:10px;}
  .sticky-bar .bar-text strong{font-size:14px;}
  .sticky-bar .bar-text span{font-size:12px;}
  .sticky-bar .bar-actions .btn{padding:9px 16px;font-size:14px;}
}
@media (max-width:400px){
  .sticky-bar .bar-text span{display:none;}
}

/* roulang page: category2 */
:root{
  --ink:#232B4D;
  --ink-deep:#1A1F35;
  --orange:#F2622B;
  --orange-dark:#D9501E;
  --teal:#2FA79A;
  --gold:#E8B44A;
  --bg:#FAF8F5;
  --bg-alt:#F2EFEA;
  --text:#1A1D29;
  --text-2:#5A6072;
  --text-3:#8A8F9C;
  --line:#E3DFD8;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-sm:0 2px 8px rgba(26,29,41,.06);
  --shadow-md:0 2px 8px rgba(26,29,41,.06),0 12px 32px rgba(26,29,41,.05);
  --shadow-lg:0 4px 12px rgba(26,29,41,.09),0 20px 46px rgba(26,29,41,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:72px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  padding:12px 24px;
  font-size:15px;font-weight:600;line-height:1.4;
  border:1.5px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(242,98,43,.22);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(242,98,43,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(242,98,43,.22);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:600;font-size:14.5px;transition:gap .18s ease,color .18s ease;}
.link-more:hover{gap:10px;color:var(--orange-dark);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(26,29,41,.08);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:2px;flex:1;min-width:0;}
.nav-link{
  position:relative;display:inline-block;
  padding:0 12px;height:72px;line-height:72px;
  font-size:15px;color:var(--ink);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:17px;height:3px;border-radius:3px;
  background:transparent;transition:background-color .18s ease;
}
.nav-link:hover{color:var(--orange);}
.nav-link.is-active{font-weight:700;}
.nav-link.is-active::after{background:var(--orange);}
.header-actions{display:flex;align-items:center;gap:14px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:var(--bg-alt);
  border:1px solid transparent;border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search-box svg{flex:none;color:var(--text-3);}
.search-box input{
  width:160px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{background:#fff;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,98,43,.15);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink);
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:72px;bottom:0;
  z-index:75;background:#fff;
  padding:20px 20px 32px;overflow-y:auto;
  box-shadow:0 20px 40px rgba(26,29,41,.16);
}
.mobile-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.drawer-search{flex:1;height:44px;background:var(--bg-alt);}
.drawer-search input{width:100%;}
.drawer-close{
  width:44px;height:44px;flex:none;border-radius:10px;
  border:1px solid var(--line);font-size:20px;line-height:1;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--orange);color:var(--orange);}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;height:48px;
  font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--orange);font-weight:700;}
.drawer-cta{margin-top:20px;}

/* ---------- 分类首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(35,43,77,.07) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.page-hero-inner{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1fr) 440px;
  gap:56px;align-items:center;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
}
.pill-teal{background:rgba(47,167,154,.12);color:#20776E;}
.pill-gold{background:rgba(232,180,74,.16);color:#8B6416;}
.page-hero h1{
  font-size:clamp(29px,3.2vw,42px);
  line-height:1.32;font-weight:700;
  color:var(--ink);letter-spacing:-.4px;
  margin:18px 0 16px;
}
.page-hero-lead{
  max-width:600px;
  font-size:16.5px;line-height:1.9;color:var(--text-2);
  margin-bottom:28px;
}
.page-hero-figure{
  margin:0;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  background:var(--bg-alt);
}
.page-hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0;}
.sec-alt{background:var(--bg-alt);}
.sec-head{max-width:730px;margin-bottom:46px;}
.sec-head h2{
  font-size:clamp(24px,2.5vw,31px);
  line-height:1.38;font-weight:700;color:var(--ink);
  margin-bottom:12px;
}
.sec-head p{font-size:16px;line-height:1.85;color:var(--text-2);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:46px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ---------- 图文卡网格 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.guide-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,167,154,.5);}
.guide-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.guide-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.guide-card:hover img{transform:scale(1.04);}
.guide-card-body{padding:22px 26px 26px;display:flex;flex-direction:column;flex:1;}
.guide-card h3{
  font-size:21px;line-height:1.5;font-weight:600;color:var(--ink);
  margin-bottom:10px;
}
.guide-card p{font-size:15.5px;line-height:1.85;color:var(--text-2);margin-bottom:18px;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-block;padding:3px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.7;
  background:rgba(47,167,154,.12);color:#20776E;
}
.tag-gold{background:rgba(232,180,74,.18);color:#8B6416;}
.guide-card .link-more{margin-top:auto;}

/* ---------- 要点速览 ---------- */
.brief-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  padding:14px 34px;
}
.brief-item{
  display:flex;align-items:center;gap:18px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  position:relative;
}
.brief-item:last-child{border-bottom:0;}
.brief-num{
  flex:none;width:34px;height:34px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;line-height:1;
}
.brief-item:first-child .brief-num{background:var(--orange);}
.brief-item strong{font-size:16.5px;font-weight:600;color:var(--ink);}
.brief-item span.note{margin-left:auto;font-size:13.5px;color:var(--text-3);}
.brief-line{
  position:absolute;left:17px;top:52px;bottom:-1px;width:1px;
  background:linear-gradient(var(--line),var(--line));
}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--orange);}
.faq-icon{
  flex:none;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--orange);border-color:var(--orange);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{
  padding:0 26px 20px;margin:0;
  font-size:15px;line-height:1.9;color:var(--text-2);
}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-deep);color:#fff;
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.cta-inner{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1fr) 420px;
  gap:48px;align-items:center;
}
.cta-inner h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.38;font-weight:700;margin-bottom:14px;
}
.cta-inner p{color:#B9BFD0;font-size:16px;line-height:1.85;max-width:520px;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-form-row{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:0;
  height:48px;padding:0 18px;
  border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.cta-form input::placeholder{color:#9AA1B6;}
.cta-form input:focus{border-color:var(--orange);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(242,98,43,.22);}
.cta-form input.is-error{border-color:var(--orange);background:rgba(242,98,43,.12);}
.form-note{font-size:13px;color:#8F97AC;line-height:1.7;}
.form-status{
  display:none;padding:10px 16px;border-radius:10px;
  font-size:13.5px;line-height:1.7;
  background:rgba(47,167,154,.16);color:#8EE4DA;
}
.form-status.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#C9CDD8;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A3AABC;margin:16px 0 18px;max-width:330px;}
.footer-contact{font-size:13.5px;line-height:1.95;color:#8F97AC;}
.footer-contact strong{color:#C9CDD8;font-weight:600;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  display:inline-block;font-size:14px;color:#C9CDD8;
  transition:color .18s ease,transform .18s ease;
}
.footer-links a:hover{color:var(--orange);transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A8F9C;line-height:1.75;
}

/* ---------- 底部固定条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 26px rgba(26,29,41,.09);
}
.sticky-bar.is-hidden{display:none;}
.sticky-inner{display:flex;align-items:center;gap:20px;height:64px;}
.sticky-text{display:flex;flex-direction:column;min-width:0;}
.sticky-text strong{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.sticky-text span{font-size:13px;color:var(--text-3);line-height:1.5;}
.sticky-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.sticky-close{
  width:32px;height:32px;border-radius:50%;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:18px;line-height:1;
  transition:background-color .18s ease,color .18s ease;
}
.sticky-close:hover{background:var(--bg-alt);color:var(--ink);}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .page-hero-inner{grid-template-columns:minmax(0,1fr) 380px;gap:40px;}
  .search-box input{width:130px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-menu{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .sec{padding:64px 0;}
  .page-hero{padding:44px 0 52px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .page-hero-figure{max-width:640px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:68px;}
  .sec{padding:52px 0;}
  .sec-head{margin-bottom:32px;}
  .sec-head-row{margin-bottom:32px;align-items:flex-start;}
  .guide-grid{grid-template-columns:1fr;gap:20px;}
  .guide-card-body{padding:20px 20px 22px;}
  .brief-wrap{padding:10px 18px;}
  .brief-item{align-items:flex-start;}
  .brief-item span.note{display:none;}
  .faq-q{padding:18px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-band{padding:56px 0;}
  .sticky-inner{height:60px;gap:12px;}
  .sticky-text span{display:none;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .header-inner{height:72px;gap:12px;}
  .brand-text{font-size:16px;}
  .header-actions .btn{display:none;}
  .page-hero h1{font-size:26px;line-height:1.36;}
  .page-hero-lead{font-size:15.5px;margin-bottom:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .sticky-text strong{font-size:13.5px;}
  .cta-form-row{flex-direction:column;}
  .cta-form .btn{width:100%;}
}