/* roulang page: index */
:root{
  --ink:#123A32;
  --ink-deep:#0E2A24;
  --ink-soft:#1E5A4C;
  --accent:#D9603B;
  --accent-hover:#BC4C2B;
  --bg:#FAF7F1;
  --card:#FFFFFF;
  --fill:#EDE6D6;
  --text:#161C19;
  --muted:#4A544E;
  --line:#DBD4C6;
  --on-dark:#F1ECE1;
  --ok:#2F7D5A;
  --warn:#C9821F;
  --err:#C0392B;
  --r-card:16px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(18,58,50,.06);
  --shadow-2:0 12px 28px rgba(18,58,50,.10);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--ink-soft)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.015em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--on-dark);padding:12px 20px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0;color:var(--on-dark)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,247,241,.86);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{
  background:rgba(250,247,241,.94);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(18,58,50,.06);
}
.nav-wrap{
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .2s ease;
}
.site-header.scrolled .nav-wrap{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--on-dark);
  display:grid;place-items:center;flex-shrink:0;
}
.brand-mark svg{display:block}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.nav-links a{
  display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--muted);border-radius:8px;
  border-bottom:2px solid transparent;transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(237,230,214,.55)}
.nav-links a.active{color:var(--ink);font-weight:600;border-bottom-color:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-sub{font-size:14px;font-weight:500;color:var(--muted);padding:8px 4px;border-bottom:2px solid transparent}
.nav-sub:hover{color:var(--ink);border-bottom-color:var(--ink-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;letter-spacing:0;
  transition:background .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(217,96,59,.24)}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,96,59,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark)}
.btn-sm{height:44px;padding:0 20px;font-size:15px}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(10,20,17,.5);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:120;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;
  background:var(--bg);z-index:130;transform:translateX(100%);
  transition:transform .28s cubic-bezier(.22,1,.36,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(18,58,50,.16);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  display:grid;place-items:center;font-size:20px;line-height:1;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;
  color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink);font-weight:700}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 88px;background:
  linear-gradient(rgba(22,28,25,.04) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,rgba(22,28,25,.04) 1px,transparent 1px) 0 0/24px 24px,
  var(--bg);}
.hero::after{
  content:"ayx官方网页";position:absolute;right:-30px;top:20px;
  font-size:clamp(60px,9vw,120px);font-weight:700;letter-spacing:-.03em;
  color:rgba(18,58,50,.045);pointer-events:none;white-space:nowrap;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;position:relative;z-index:1}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;
  background:var(--fill);color:var(--ink);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
h1.hero-title{
  font-size:clamp(34px,5.2vw,64px);
  line-height:1.18;letter-spacing:-.025em;color:var(--ink);margin-bottom:20px;
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--muted);max-width:32em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:0;font-size:13px;color:var(--muted);line-height:1.6}
.trust-row li{display:flex;align-items:center;padding-right:14px;margin-right:14px;border-right:1px solid var(--line)}
.trust-row li:last-child{border-right:none;margin-right:0;padding-right:0}
.hero-figure{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:3/2;
  box-shadow:var(--shadow-2);background:var(--fill);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,42,36,.06),rgba(14,42,36,.26));
}
.hero-chip{
  position:absolute;left:-18px;bottom:-22px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-2);min-width:210px;
}
.hero-chip .chip-label{font-size:12px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.hero-chip .chip-value{font-size:26px;font-weight:700;color:var(--ink);line-height:1.3;margin-top:2px}
.hero-chip .chip-note{font-size:12px;color:var(--muted);margin-top:2px}

/* ---------- generic section ---------- */
.section{padding:88px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-size:clamp(26px,3.2vw,34px);color:var(--ink);letter-spacing:-.02em}
.section-desc{font-size:16px;color:var(--muted);margin-top:12px;max-width:56em}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:2px solid var(--accent);padding-bottom:2px;
}
.link-more span{transition:transform .16s ease-out;display:inline-block}
.link-more:hover span{transform:translateX(3px)}

/* ---------- pain points ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px}
.pain-item{display:flex;gap:18px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1)}
.pain-idx{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--ink);
  display:grid;place-items:center;font-size:15px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.pain-q{font-size:18px;font-weight:600;color:var(--text);line-height:1.6}
.pain-a{font-size:14px;color:var(--muted);line-height:1.8;margin-top:8px}

/* ---------- solutions ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.sol-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  display:flex;flex-direction:column;
}
.sol-card:hover{border-color:var(--ink);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.sol-card.large{grid-column:span 2;padding:0;overflow:hidden}
.sol-card.large .sol-body{padding:26px 28px 28px}
.sol-thumb{aspect-ratio:21/9;overflow:hidden;background:var(--fill)}
.sol-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.sol-card.large:hover .sol-thumb img{transform:scale(1.03)}
.sol-idx{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:12px;font-variant-numeric:tabular-nums}
.sol-card h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.sol-card p{font-size:15px;color:var(--muted);line-height:1.85}
.sol-points{margin:16px 0 18px;display:flex;flex-direction:column;gap:8px}
.sol-points li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.7}
.sol-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:1px;background:var(--ink-soft)}
.sol-card .link-more{margin-top:auto;font-size:14px}

/* ---------- stats ---------- */
.stats{
  background:var(--ink-deep);color:var(--on-dark);padding:88px 0;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(rgba(241,236,225,.05) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg,rgba(241,236,225,.05) 1px,transparent 1px) 0 0/24px 24px;
  pointer-events:none;
}
.stats .container{position:relative}
.stats-head{max-width:44em;margin-bottom:44px}
.stats-head h2{font-size:clamp(24px,3vw,32px);color:var(--on-dark)}
.stats-head p{font-size:15px;color:rgba(241,236,225,.72);margin-top:12px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat-item{padding:0 24px;border-left:1px solid rgba(241,236,225,.18)}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-value{font-size:clamp(36px,4.4vw,52px);font-weight:700;line-height:1.1;color:var(--on-dark);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-value em{font-style:normal;font-size:15px;font-weight:600;color:var(--accent);margin-left:6px;letter-spacing:0}
.stat-label{font-size:15px;font-weight:600;margin-top:12px;color:var(--on-dark)}
.stat-note{font-size:12px;color:rgba(241,236,225,.6);margin-top:4px}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;counter-reset:step}
.step{position:relative;padding:0 24px 0 0}
.step:last-child{padding-right:0}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.step-dot{
  width:44px;height:44px;border-radius:50%;border:1.5px solid var(--ink);
  display:grid;place-items:center;font-size:15px;font-weight:700;color:var(--ink);
  background:var(--bg);position:relative;z-index:1;font-variant-numeric:tabular-nums;flex-shrink:0;
}
.step-line{flex:1;height:1px;background:var(--line)}
.step:last-child .step-line{display:none}
.step h3{font-size:18px;color:var(--ink);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.voice{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:20px;
}
.voice blockquote{
  margin:0;padding-left:18px;border-left:3px solid var(--accent);
  font-size:20px;line-height:1.7;color:var(--text);font-weight:500;
}
.voice-foot{display:flex;align-items:center;gap:14px}
.voice-foot img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex-shrink:0}
.voice-name{font-size:14px;font-weight:600;color:var(--ink)}
.voice-role{font-size:13px;color:var(--muted)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.news-card:hover{border-color:var(--ink);box-shadow:var(--shadow-2);transform:translateY(-2px);color:inherit}
.news-card:first-child{grid-column:span 2}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:600;color:var(--text);background:var(--fill);
  padding:4px 10px;border-radius:999px;line-height:1.6;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink-soft)}
.news-card h3{
  font-size:19px;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-date{font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--muted);font-size:15px;text-align:center;padding:32px;
}
.empty-state svg{color:var(--line)}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-item.open{border-color:var(--ink)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq-q:hover{color:var(--ink-soft)}
.faq-icon{flex-shrink:0;width:22px;height:22px;position:relative}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-soft);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- lead form ---------- */
.lead{background:var(--fill);padding:88px 0}
.lead-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
.lead-copy h2{font-size:clamp(26px,3.2vw,34px);color:var(--ink);margin-bottom:16px}
.lead-copy p{font-size:16px;color:var(--muted);line-height:1.9;max-width:30em}
.lead-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.lead-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text);font-weight:500}
.lead-points li::before{
  content:"";flex-shrink:0;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--accent);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-2);
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field label .req{font-size:12px;font-weight:500;color:var(--muted);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-btn);font-size:15px;color:var(--text);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(74,84,78,.6)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,58,50,.12);
}
.agree-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 16px;font-size:13px;color:var(--muted);line-height:1.7}
.agree-row input{width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--ink)}
.agree-row a{color:var(--ink);border-bottom:2px solid var(--line)}
.agree-row a:hover{border-bottom-color:var(--accent)}
.form-submit{width:100%}
.form-tip{font-size:12px;color:var(--err);margin-top:10px}
.form-success{
  display:none;background:#EAF4EF;border:1px solid #BFDDCD;color:var(--ok);
  border-radius:var(--r-btn);padding:14px 16px;font-size:14px;margin-top:14px;line-height:1.7;
}
.form-success.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:var(--on-dark);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.5fr) minmax(0,2.5fr) minmax(0,3fr);gap:40px;padding-bottom:56px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--on-dark);color:var(--ink-deep)}
.footer-brand .brand-text{color:var(--on-dark);font-size:18px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(241,236,225,.7);max-width:22em}
.footer-col h3{font-size:14px;font-weight:600;color:var(--on-dark);letter-spacing:.04em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(241,236,225,.75)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(241,236,225,.75);line-height:1.8}
.footer-contact strong{display:block;font-size:13px;font-weight:600;color:rgba(241,236,225,.5);margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(241,236,225,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(241,236,225,.55);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,1,.36,1),transform .48s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .nav-links a{padding:0 9px;font-size:14px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-sub{display:none}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-chip{left:auto;right:16px;bottom:-20px}
  .hero::after{font-size:80px;right:-10px}
  .solution-grid{grid-template-columns:1fr 1fr}
  .sol-card.large{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0}
  .step:nth-child(2) .step-line{display:none}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0}
  .stat-item:nth-child(3){border-left:none;padding-left:0}
  .lead-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card:first-child{grid-column:span 2}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .stats,.lead{padding:64px 0}
  .nav-wrap{height:66px}
  .site-header.scrolled .nav-wrap{height:58px}
  .brand-text{font-size:14px}
  .hero{padding:40px 0 64px}
  .hero::after{display:none}
  .hero-chip{position:static;margin-top:16px;box-shadow:var(--shadow-1)}
  .hero-sub{font-size:16px}
  .trust-row{flex-direction:column;gap:6px}
  .trust-row li{border-right:none;padding-right:0;margin-right:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .pain-grid{grid-template-columns:1fr}
  .solution-grid{grid-template-columns:1fr}
  .sol-card.large{grid-column:span 1}
  .voice-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card:first-child{grid-column:span 1}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 28px 0}
  .step-line{display:none}
  .step-head{margin-bottom:12px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .stat-item{padding:0 16px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .voice blockquote{font-size:18px}
  .faq-q{padding:18px;font-size:16px}
  .faq-a-inner{padding:0 18px 20px}
}
@media (max-width:560px){
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .btn-sm{width:auto}
  .stat-value{font-size:34px}
  .news-card{padding:20px}
  .lead-copy p{max-width:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#123A32;
  --ink-deep:#0E2A24;
  --ink-soft:#1E5A4C;
  --accent:#D9603B;
  --accent-hover:#BC4C2B;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --sand:#EDE6D6;
  --sand-2:#F3EEE2;
  --text:#161C19;
  --text-soft:#232A26;
  --muted:#4A544E;
  --line:#DBD4C6;
  --ok:#2F7D5A;
  --warn:#C9821F;
  --err:#C0392B;
  --r-card:16px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(18,58,50,.06);
  --shadow-2:0 12px 28px rgba(18,58,50,.10);
  --ease:cubic-bezier(.22,1,.36,1);
  --space:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#F1ECE1;padding:12px 20px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,241,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;
  transition:height .2s ease-out;
}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:#F1ECE1;flex-shrink:0;
  transition:transform .2s var(--ease),background .18s ease-out;
}
.brand:hover .brand-mark{background:var(--ink-deep);transform:translateY(-1px)}
.brand-text{
  font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink-deep);
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);
  padding:6px 2px;line-height:1.4;white-space:nowrap;
  transition:color .16s ease-out;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink-deep);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-actions .btn{height:42px;padding:0 20px;font-size:14px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,
             transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--accent);color:#FFF;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,96,59,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#F1ECE1}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;background:none;border:0;padding:0;
  color:var(--ink);font-weight:600;font-size:15px;cursor:pointer;
}
.btn-link .arrow{transition:transform .16s ease-out}
.btn-link:hover{color:var(--ink-soft)}
.btn-link:hover .arrow{transform:translateX(3px)}
.btn-block{width:100%}
.btn-sm{height:44px;padding:0 18px;font-size:14px}

/* ---------- mobile nav ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,20,17,.5);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:100;
  background:var(--bg);transform:translateX(100%);
  transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px 32px;
  box-shadow:-16px 0 40px rgba(10,20,17,.18);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head .brand-text{font-size:16px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);font-size:22px;line-height:1;cursor:pointer;color:var(--ink);
}
.drawer-close:hover{background:var(--sand)}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-nav a:first-child{border-top:1px solid var(--line)}
.drawer-nav a:hover{color:var(--accent)}
.drawer .btn{height:48px}

/* ---------- breadcrumb ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px;max-width:100%}
.crumbs a{color:var(--muted);transition:color .16s ease-out}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:#A9A296}
.crumbs .current{
  color:var(--text);font-weight:500;
  max-width:min(52vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article head ---------- */
.article-head{padding:28px 0 34px;border-bottom:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--sand);color:var(--text);font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;line-height:1.6;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.article-head h1{
  margin:16px 0 0;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.3;font-weight:700;letter-spacing:-.015em;color:var(--ink-deep);
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:18px;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:1px;height:12px;background:var(--line)}

/* ---------- layout ---------- */
.article-wrap{padding:52px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.article-main{min-width:0}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--text-soft);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:26px;line-height:1.45;font-weight:700;letter-spacing:-.012em;
  color:var(--ink-deep);margin:2.2em 0 .7em;
}
.article-body h3{
  font-size:20px;line-height:1.55;font-weight:600;letter-spacing:-.008em;
  color:var(--ink-deep);margin:1.9em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink-deep);margin:1.6em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0;padding-left:.15em}
.article-body ul li::marker{color:var(--ink-soft)}
.article-body ol li::marker{color:var(--ink-soft);font-weight:600}
.article-body a{
  color:var(--ink-soft);font-weight:500;
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;
  transition:color .16s ease-out;
}
.article-body a:hover{color:var(--accent-hover)}
.article-body strong{color:var(--text);font-weight:600}
.article-body blockquote{
  margin:1.7em 0;padding:16px 20px;
  border-left:3px solid var(--accent);
  background:var(--sand-2);
  border-radius:0 12px 12px 0;
  color:#2B332E;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em 0;width:100%;height:auto}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:1.7em 0;line-height:1.7;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--sand-2);font-weight:600;color:var(--ink-deep);white-space:nowrap}
.article-body code{
  background:var(--sand-2);border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--ink-deep);color:#E8E2D4;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.75;margin:1.7em 0;
}
.article-body pre code{background:none;color:inherit;padding:0}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px;display:grid;gap:20px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.aside-title{font-size:15px;font-weight:700;color:var(--ink-deep);letter-spacing:.01em;margin-bottom:14px}
.aside-list{display:grid;gap:2px}
.aside-list a{
  display:flex;align-items:center;gap:10px;padding:11px 4px;
  font-size:14px;color:var(--text-soft);
  border-bottom:1px solid var(--line);
  transition:color .16s ease-out,background .16s ease-out;
}
.aside-list li:last-child a{border-bottom:0}
.aside-list a:hover{color:var(--accent-hover);background:#FCFAF6}
.aside-num{
  font-size:12px;font-weight:600;color:var(--ink-soft);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
  border:1px solid var(--line);border-radius:999px;padding:1px 7px;flex-shrink:0;
}
.aside-cta{background:var(--ink-deep);border-color:var(--ink-deep);color:#E9E3D6}
.aside-cta .aside-title{color:#F1ECE1}
.aside-cta p{font-size:14px;line-height:1.8;color:rgba(241,236,225,.78);margin-bottom:16px}
.aside-note{font-size:12px;color:rgba(241,236,225,.6);margin-top:12px;margin-bottom:0!important;text-align:center}

/* ---------- article footer ---------- */
.article-foot{max-width:760px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.tag-row .label{font-size:13px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:500;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:4px 12px;color:var(--muted);
  transition:border-color .16s ease-out,color .16s ease-out;
}
.tag:hover{border-color:var(--ink-soft);color:var(--ink)}
.foot-nav{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- empty / 404 ---------- */
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--sand);display:flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink-deep);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);max-width:440px;margin:0 auto 24px}

/* ---------- related ---------- */
.related{padding:var(--space) 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.015em;color:var(--ink-deep);line-height:1.35;
}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rcard{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease-out,transform .18s var(--ease),box-shadow .18s ease-out;
}
.rcard:hover{border-color:var(--ink-soft);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rcard-media{aspect-ratio:4/3;overflow:hidden;background:var(--sand)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rcard:hover .rcard-media img{transform:scale(1.03)}
.rcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body h3{
  font-size:18px;line-height:1.5;font-weight:600;color:var(--ink-deep);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-body p{
  font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-body .btn-link{margin-top:auto;font-size:14px;padding-top:6px}

/* ---------- cta ---------- */
.cta-band{padding:var(--space) 0}
.cta-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  background:var(--ink-deep);border-radius:24px;padding:52px;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;bottom:-100px;width:320px;height:320px;
  border-radius:50%;background:rgba(217,96,59,.14);pointer-events:none;
}
.cta-copy h2{
  font-size:clamp(24px,2.8vw,34px);line-height:1.35;font-weight:700;
  letter-spacing:-.015em;color:#F4F0E6;margin-bottom:16px;
}
.cta-copy p{font-size:16px;line-height:1.85;color:rgba(241,236,225,.78);max-width:520px}
.cta-points{display:grid;gap:10px;margin-top:24px}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;
  color:rgba(241,236,225,.86);line-height:1.7;
}
.cta-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
  margin-top:9px;flex-shrink:0;
}
.cta-card{
  position:relative;z-index:1;
  background:rgba(250,247,241,.06);
  border:1px solid rgba(241,236,225,.18);
  border-radius:var(--r-card);padding:26px;
}
.cta-card h3{font-size:16px;font-weight:600;color:#F1ECE1;margin-bottom:14px}
.cta-lines{display:grid;gap:12px;margin-bottom:20px}
.cta-lines div{display:flex;justify-content:space-between;gap:14px;font-size:13px;color:rgba(241,236,225,.72);border-bottom:1px dashed rgba(241,236,225,.16);padding-bottom:10px}
.cta-lines div:last-child{border-bottom:0;padding-bottom:0}
.cta-lines strong{color:#F8F4EA;font-weight:600}
.cta-card .btn{width:100%}
.cta-note{font-size:12px;color:rgba(241,236,225,.55);margin-top:12px;text-align:center}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(241,236,225,.78);padding:72px 0 0;margin-top:var(--space)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(241,236,225,.12);color:#F1ECE1}
.footer-brand .brand-text{color:#F1ECE1;font-size:17px;font-weight:700;letter-spacing:-.01em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(241,236,225,.62);max-width:300px}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.12em;color:rgba(241,236,225,.55);margin-bottom:16px;text-transform:uppercase}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(241,236,225,.78);transition:color .16s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(241,236,225,.66)}
.footer-contact strong{display:block;color:#F1ECE1;font-size:13px;font-weight:600;margin-bottom:2px}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(241,236,225,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(241,236,225,.5);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:1024px){
  :root{--space:72px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .cta-inner{padding:40px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;padding:36px 28px}
  .cta-inner::after{display:none}
}
@media (max-width:768px){
  :root{--space:56px}
  .container{padding:0 20px}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:58px}
  .brand-text{font-size:15px}
  .article-head{padding:22px 0 26px}
  .article-head h1{font-size:clamp(26px,7vw,34px)}
  .article-wrap{padding:36px 0 0}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-aside{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col{border-top:1px solid rgba(241,236,225,.14);padding-top:24px}
  .footer-col:first-of-type{border-top:0;padding-top:0}
  .site-footer{padding-top:56px}
  .footer-bottom{flex-direction:column;gap:8px}
  .crumbs .current{max-width:60vw}
}
@media (max-width:520px){
  .btn{height:46px;padding:0 20px;font-size:14px}
  .article-meta{gap:10px;font-size:12px}
  .cta-card{padding:20px}
  .cta-inner{padding:28px 20px;border-radius:18px}
  .tag-row{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#123A32;
  --ink-deep:#0E2A24;
  --ink-soft:#1E5A4C;
  --accent:#D9603B;
  --accent-hover:#BC4C2B;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --fill:#EDE6D6;
  --fill-soft:#F4EFE5;
  --text:#161C19;
  --text-2:#4A544E;
  --line:#DBD4C6;
  --success:#2F7D5A;
  --error:#C0392B;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(18,58,50,.06);
  --shadow-2:0 12px 28px rgba(18,58,50,.10);
  --maxw:1200px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{letter-spacing:-.015em;line-height:1.35;font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#F1ECE1;padding:12px 20px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
.section{padding:96px 0;scroll-margin-top:90px}
.section-alt{background:var(--fill-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:clamp(26px,3vw,34px);color:var(--ink)}
.section-head p{margin-top:14px;color:var(--text-2);font-size:17px}
.lead{color:var(--text-2)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,241,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  backdrop-filter:saturate(150%) blur(10px);
  transition:box-shadow .16s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .16s ease-out}
.site-header.is-scrolled .nav-inner{height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--ink);color:#F1ECE1;flex:0 0 auto}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 11px;
  border-radius:8px;font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .16s ease-out,background .16s ease-out;white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:rgba(18,58,50,.06)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:11px;right:11px;bottom:5px;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-quiet{font-size:14px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--line);padding-bottom:2px;transition:border-color .16s ease-out,color .16s ease-out;white-space:nowrap}
.nav-quiet:hover{color:var(--accent);border-color:var(--accent)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;padding:0;place-items:center;flex:0 0 auto;
}
.menu-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;margin:3.5px auto;transition:transform .2s var(--ease),opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* drawer */
.drawer{position:fixed;inset:0;z-index:120;display:none;background:rgba(10,20,17,.55)}
.drawer.is-open{display:block}
.drawer-panel{
  position:absolute;top:0;right:0;width:88%;max-width:380px;height:100%;
  background:var(--bg);border-left:1px solid var(--line);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .26s var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);font-size:20px;line-height:1;cursor:pointer;color:var(--ink);
}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink);margin:6px 0 12px}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:500;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--ink);font-weight:600}
.drawer-cta{margin-top:20px;width:100%}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .16s ease-out,background .16s ease-out,color .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
  text-align:center;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 18px rgba(217,96,59,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#F1ECE1}
.btn-sm{height:42px;padding:0 18px;font-size:15px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;border-bottom:2px solid transparent;transition:border-color .16s ease-out,color .16s ease-out}
.link-arrow .arw{transition:transform .16s ease-out}
.link-arrow:hover{color:var(--accent);border-color:var(--accent)}
.link-arrow:hover .arw{transform:translateX(3px)}

/* ============ breadcrumb ============ */
.crumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--text-2)}
.breadcrumb a{color:var(--text-2);border-bottom:1px solid transparent;transition:color .16s ease-out,border-color .16s ease-out}
.breadcrumb a:hover{color:var(--ink);border-color:var(--line)}
.breadcrumb .sep{color:#A9A296}
.breadcrumb .now{color:var(--ink);font-weight:600}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 88px;
  background-image:
    linear-gradient(rgba(22,28,25,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(22,28,25,.04) 1px,transparent 1px);
  background-size:24px 24px,24px 24px;
  background-position:0 0,0 0;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-60px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,90,76,.10),rgba(30,90,76,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;z-index:1}
.tag-line{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:var(--fill);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.02em}
.tag-line .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(34px,5.2vw,52px);
  color:var(--ink);
  line-height:1.22;
}
.hero-sub{margin-top:18px;font-size:18px;font-weight:600;color:var(--ink-soft)}
.hero-text{margin-top:12px;font-size:17px;color:var(--text-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;font-size:13px;color:var(--text-2)}
.trust-row li{display:inline-flex;align-items:center;gap:14px}
.trust-row li+li::before{content:"";width:1px;height:12px;background:var(--line)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);
}
.hero-visual .veil{position:absolute;inset:0;border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(18,58,50,.05),rgba(14,42,36,.28));pointer-events:none}
.float-card{
  position:absolute;left:20px;bottom:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-2);min-width:170px;
}
.float-card strong{display:block;font-size:26px;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums}
.float-card span{display:block;font-size:12px;color:var(--text-2);margin-top:4px}
.hero-caption{position:absolute;right:16px;top:16px;background:rgba(250,247,241,.92);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:12px;color:var(--ink);font-weight:600}

/* ============ steps ============ */
.step-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.step-row{
  display:grid;grid-template-columns:66px 1fr 34px;gap:22px;align-items:start;
  padding:26px 18px;border-bottom:1px solid var(--line);
  border-radius:12px;transition:background .16s ease-out;
}
.step-row:hover{background:var(--fill-soft)}
.step-num{
  width:52px;height:52px;border-radius:50%;border:1.5px solid var(--line);
  display:grid;place-items:center;background:var(--surface);
  font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;
  transition:border-color .16s ease-out,color .16s ease-out;
}
.step-row:hover .step-num{border-color:var(--accent);color:var(--accent)}
.step-body h3{font-size:19px;color:var(--ink);margin-bottom:6px}
.step-body p{font-size:15px;color:var(--text-2);line-height:1.85;max-width:720px}
.step-arrow{align-self:center;color:var(--ink-soft);font-size:18px;transition:transform .16s ease-out,color .16s ease-out}
.step-row:hover .step-arrow{transform:translateX(4px);color:var(--accent)}

/* ============ info cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out;
  display:flex;flex-direction:column;
}
.info-card:hover{border-color:var(--ink-soft);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.info-media{overflow:hidden;aspect-ratio:16/9}
.info-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.info-card:hover .info-media img{transform:scale(1.03)}
.info-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--fill);color:var(--text)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.info-body h3{font-size:19px;color:var(--ink)}
.info-body p{font-size:14px;color:var(--text-2);line-height:1.85}

/* ============ faq ============ */
.faq-wrap{max-width:840px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .16s ease-out}
.faq-item.is-open{border-color:var(--ink-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);min-height:56px;
}
.faq-q .mark{flex:0 0 auto;width:22px;height:22px;position:relative}
.faq-q .mark::before,.faq-q .mark::after{content:"";position:absolute;background:var(--ink-soft);border-radius:2px;transition:transform .2s var(--ease),opacity .2s ease}
.faq-q .mark::before{left:0;top:10px;width:22px;height:2px}
.faq-q .mark::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-q .mark::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ cta ============ */
.cta-band{background:var(--ink-deep);color:#F1ECE1;padding:88px 0;scroll-margin-top:90px}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3vw,34px);color:#F1ECE1}
.cta-copy p{margin-top:16px;color:rgba(241,236,225,.78);font-size:16px;max-width:460px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(241,236,225,.86)}
.cta-points li::before{content:"";flex:0 0 auto;width:16px;height:16px;border-radius:50%;border:1.5px solid var(--accent);margin-top:5px}
.cta-side{margin-top:26px;font-size:13px;color:rgba(241,236,225,.6);line-height:1.9}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-2);color:var(--text)}
.form-card h3{font-size:20px;color:var(--ink);margin-bottom:6px}
.form-card .form-tip{font-size:13px;color:var(--text-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.field .req{font-weight:500;color:var(--text-2);font-size:12px;margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);font-size:15px;color:var(--text);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(74,84,78,.6)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,58,50,.12);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:18px 0 6px;font-size:13px;color:var(--text-2);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--ink)}
.check-row a{color:var(--ink);border-bottom:1px solid var(--line)}
.check-row a:hover{border-color:var(--accent);color:var(--accent)}
.form-note{font-size:12px;color:var(--text-2);margin-top:8px}
.form-card .btn{width:100%;margin-top:10px}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(47,125,90,.10);border:1px solid rgba(47,125,90,.35);
  color:var(--success);font-size:14px;font-weight:600;
}
.form-success.is-on{display:block}

/* ============ footer ============ */
.site-footer{background:var(--ink-deep);color:#F1ECE1;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#F1ECE1}
.footer-brand .brand-mark{background:rgba(241,236,225,.12);color:#F1ECE1}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(241,236,225,.66);max-width:280px}
.footer-col h3{font-size:14px;font-weight:600;color:#F1ECE1;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(241,236,225,.72);transition:color .16s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:13px;color:rgba(241,236,225,.66);line-height:1.8}
.footer-contact strong{display:block;color:#F1ECE1;font-size:13px;font-weight:600;margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(241,236,225,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(241,236,225,.56);
}

/* ============ responsive ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{aspect-ratio:16/9}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links a{padding:0 9px;font-size:14px}
  .nav-quiet{display:none}
}
@media (max-width:900px){
  .nav-links,.nav-actions{display:none}
  .menu-toggle{display:grid}
  .nav-inner{justify-content:space-between}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:32px 0 56px}
  .cta-band{padding:56px 0}
  .site-footer{padding:52px 0 0}
  .step-row{grid-template-columns:52px 1fr;gap:16px;padding:22px 12px}
  .step-arrow{display:none}
  .step-num{width:44px;height:44px;font-size:14px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:24px}
  .footer-col{border-top:1px solid rgba(241,236,225,.14);padding:22px 0}
  .footer-grid>div:first-child{padding-bottom:22px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
  .form-card{padding:22px}
  .hero-actions .btn{width:100%}
  .float-card{left:12px;bottom:12px;padding:10px 14px;min-width:140px}
  .float-card strong{font-size:20px}
}
@media (max-width:520px){
  .brand-text{font-size:14px}
  .trust-row{font-size:12px;gap:10px}
  .trust-row li+li::before{height:10px}
  .hero-visual img{aspect-ratio:3/2}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --green:#123A32;
  --green-deep:#0E2A24;
  --green-light:#1E5A4C;
  --accent:#D9603B;
  --accent-hover:#BC4C2B;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --fill:#EDE6D6;
  --ink:#161C19;
  --ink-2:#4A544E;
  --ink-3:#7A847E;
  --line:#DBD4C6;
  --ok:#2F7D5A;
  --warn:#C9821F;
  --err:#C0392B;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,58,50,.06);
  --shadow-2:0 12px 28px rgba(18,58,50,.10);
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--green-light);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--accent-hover)}
h1,h2,h3,h4{margin:0;color:var(--green);letter-spacing:-.015em;line-height:1.3;font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green);color:#F1ECE1;padding:12px 18px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1.5px solid transparent;
  transition:background .16s ease-out,color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#FFF8F3;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-hover);color:#FFF8F3;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:transparent;border-color:var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#F1ECE1}
.btn-quiet{background:transparent;border-color:var(--line);color:var(--green)}
.btn-quiet:hover{border-color:var(--green);background:var(--fill)}
.btn-sm{height:42px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--fill);color:var(--ink);
  font-size:12px;font-weight:600;line-height:1.7;
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.badge-soft{background:rgba(30,90,76,.10);color:var(--green)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,241,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 18px rgba(18,58,50,.08)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;transition:min-height .2s ease-out}
.site-header.scrolled .header-inner{min-height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--green);font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand:hover{color:var(--green)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:linear-gradient(150deg,var(--green-light),var(--green));
  color:#F1ECE1;display:grid;place-items:center;
  box-shadow:var(--shadow-1);
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;border-radius:8px;font-size:15px;color:var(--ink-2);
  transition:color .16s ease-out,background .16s ease-out;
}
.nav-links a:hover{color:var(--green);background:var(--fill)}
.nav-links a.active{color:var(--green);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--green);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:380px;z-index:120;
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px 28px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:20px;color:var(--green);line-height:1}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 4px;
  border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);
}
.drawer-nav a.active{color:var(--green);font-weight:700}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(10,20,17,.5);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s;
}
.drawer-backdrop.open{opacity:1;visibility:visible}
body.locked{overflow:hidden}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:36px 0 88px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(217,96,59,.10),transparent 62%),
    radial-gradient(760px 380px at 2% 8%,rgba(30,90,76,.10),transparent 66%),
    var(--bg);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(22,28,25,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(22,28,25,.04) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(1000px 420px at 50% 0%,#000,transparent 78%);
  mask-image:radial-gradient(1000px 420px at 50% 0%,#000,transparent 78%);
}
.breadcrumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:28px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--accent-hover)}
.breadcrumb span.sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:600}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:600;color:var(--green-light);text-transform:uppercase;margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.hero-title{font-size:clamp(34px,5.2vw,58px);line-height:1.15;margin-bottom:18px}
.hero-sub{font-size:20px;font-weight:600;color:var(--green-light);margin-bottom:14px;line-height:1.6}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.trust-row{display:flex;flex-wrap:wrap;gap:0 16px;font-size:13px;color:var(--ink-2)}
.trust-row li{position:relative;padding-right:16px}
.trust-row li:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--line)}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--fill);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,42,36,.10),rgba(14,42,36,.34))}
.stat-card{
  position:relative;margin-top:-56px;margin-left:22px;margin-right:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-2);
}
.stat-card h2{font-size:14px;font-weight:600;color:var(--ink-2);letter-spacing:0;margin-bottom:12px}
.stat-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:10px 0;border-top:1px solid var(--line)}
.stat-list li:first-child{border-top:0;padding-top:2px}
.stat-num{font-size:26px;font-weight:700;color:var(--green);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-num em{font-style:normal;font-size:13px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{font-size:13px;color:var(--ink-2);text-align:right;line-height:1.6}
.stat-note{margin:12px 0 0;font-size:12px;color:var(--ink-3);line-height:1.7}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-alt{background:linear-gradient(180deg,#F4F0E6,#FAF7F1)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{margin-bottom:12px}
.section-head h2{font-size:clamp(26px,3vw,34px);margin-bottom:14px}
.section-head p{font-size:17px;color:var(--ink-2);margin:0}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-head-row h2{font-size:clamp(26px,3vw,34px)}
.section-head-row p{margin:10px 0 0;color:var(--ink-2)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--green);font-size:15px}
.text-link .arrow{transition:transform .16s ease-out;font-size:18px;line-height:1}
.text-link:hover{color:var(--accent-hover)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- 双列图文卡 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.case-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.case-card:hover{border-color:var(--green-light);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.case-media{overflow:hidden;background:var(--fill)}
.case-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-body{padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-body h3{font-size:20px}
.case-body p{color:var(--ink-2);font-size:15px;margin:0}
.point-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.point-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.75}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--green-light);opacity:.55}
.case-card:hover .point-list li::before{background:var(--accent);opacity:1}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow}
.flow-step{position:relative;padding:26px 22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--green-light)}
.flow-step::after{
  content:"";position:absolute;top:50%;right:-24px;width:24px;height:1px;background:var(--line);
}
.flow-step:last-child::after{display:none}
.flow-num{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;
  border:1.5px solid var(--green);color:var(--green);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-step h3{font-size:18px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-2);margin:0}

/* ---------- 深色数据带 ---------- */
.dark-band{
  background:
    radial-gradient(700px 320px at 12% 0%,rgba(30,90,76,.55),transparent 65%),
    var(--green-deep);
  color:#F1ECE1;padding:88px 0;
}
.dark-band h2{color:#F1ECE1;font-size:clamp(24px,2.6vw,30px);margin-bottom:12px}
.dark-band .band-lead{color:rgba(241,236,225,.72);max-width:640px;margin-bottom:44px;font-size:16px}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.data-item{padding:0 28px;border-left:1px solid rgba(241,236,225,.18)}
.data-item:first-child{border-left:0;padding-left:0}
.data-num{font-size:clamp(34px,4vw,48px);font-weight:700;color:#F1ECE1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1}
.data-num em{font-style:normal;font-size:14px;font-weight:600;color:rgba(241,236,225,.7);margin-left:6px}
.data-cap{margin:10px 0 0;font-size:13px;color:rgba(241,236,225,.66);line-height:1.7}
.band-foot{margin-top:36px;font-size:12px;color:rgba(241,236,225,.5)}

/* ---------- 清单 ---------- */
.check-split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.check-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);margin-bottom:20px}
.check-group h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.check-group h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.check-list{display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.8;padding-bottom:10px;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li .mark{flex:none;width:20px;height:20px;border-radius:6px;background:rgba(47,125,90,.12);color:var(--ok);display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:3px}
.check-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--fill)}
.check-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-media figcaption{font-size:13px;color:var(--ink-2);padding:12px 16px;background:var(--surface);border-top:1px solid var(--line)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:44px;align-items:start}
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.faq-item.open{border-color:var(--green-light);box-shadow:var(--shadow-1)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:18px 20px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--green);min-height:56px;
}
.faq-q:hover{color:var(--accent-hover)}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;background:var(--green-light);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform .2s ease-out}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-a-inner p{margin:0}
.faq-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);position:sticky;top:100px}
.faq-side h3{font-size:18px;margin-bottom:10px}
.faq-side p{font-size:14px;color:var(--ink-2);margin-bottom:18px}
.side-list{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.side-list li{font-size:14px;color:var(--ink-2);display:flex;gap:10px;line-height:1.7}
.side-list li strong{color:var(--green);font-weight:600;flex:none}

/* ---------- CTA / 表单 ---------- */
.cta-wrap{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
.cta-copy{padding:48px 44px;background:linear-gradient(160deg,#F4F0E6,#FAF7F1)}
.cta-copy h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px}
.cta-copy p{color:var(--ink-2);font-size:16px;margin-bottom:22px}
.cta-points{display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;border:1.5px solid var(--accent)}
.form-card{padding:44px}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--ink-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--green);margin-bottom:6px}
.field .req{font-size:12px;color:var(--ink-3);font-weight:400;margin-left:6px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--ink);font-size:15px;font-family:inherit;line-height:1.6;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{resize:vertical;min-height:88px}
.field input::placeholder,.field textarea::placeholder{color:rgba(74,84,78,.6)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green-light);box-shadow:0 0 0 3px rgba(18,58,50,.12);
}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);margin:6px 0 18px;line-height:1.7}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--green);flex:none}
.consent a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}
.form-msg{margin-top:14px;font-size:13px;color:var(--ok);display:none}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-deep);color:rgba(241,236,225,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#F1ECE1;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(241,236,225,.12);box-shadow:none;color:#F1ECE1}
.footer-desc{font-size:14px;color:rgba(241,236,225,.66);max-width:26em;margin:0}
.footer-col h3{font-size:14px;color:#F1ECE1;margin-bottom:16px;letter-spacing:0;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(241,236,225,.78)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:13px;line-height:1.75;color:rgba(241,236,225,.7)}
.footer-contact strong{display:block;color:#F1ECE1;font-size:14px;font-weight:600;margin-bottom:2px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0;border-top:1px solid rgba(241,236,225,.16);
  font-size:13px;color:rgba(241,236,225,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:0 9px;font-size:14px}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .header-actions{margin-left:0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .stat-card{margin:18px 0 0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .check-split{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .cta-wrap{grid-template-columns:1fr}
  .cta-copy{padding:36px 28px}
  .form-card{padding:32px 28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:72px 0}
  .page-hero{padding:28px 0 64px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .case-grid{grid-template-columns:1fr}
  .data-grid{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .data-item{padding:0 0 0 20px}
  .data-item:nth-child(odd){border-left:0;padding-left:0}
  .dark-band{padding:64px 0}
  .flow{grid-template-columns:1fr}
  .hero-title{font-size:clamp(30px,7vw,40px)}
  .hero-sub{font-size:18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:32px}
  .footer-col{border-top:1px solid rgba(241,236,225,.16);padding:22px 0 0;margin-top:22px}
  .footer-col:first-of-type{border-top:0;margin-top:0;padding-top:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .header-actions .btn-primary{height:42px;padding:0 16px;font-size:15px}
}
@media (max-width:560px){
  .hero-actions .btn{width:100%}
  .trust-row{flex-direction:column;gap:6px}
  .trust-row li{padding-right:0}
  .trust-row li::after{display:none}
  .brand-text{font-size:14px}
  .brand-mark{width:32px;height:32px;border-radius:9px}
  .header-inner{min-height:64px;gap:10px}
  .stat-card{margin-left:0;margin-right:0;padding:18px}
  .cta-copy,.form-card{padding:26px 20px}
  .case-body{padding:22px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --ink:#123A32;
  --ink-deep:#0E2A24;
  --ink-soft:#1E5A4C;
  --accent:#D9603B;
  --accent-hover:#BC4C2B;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --fill:#EDE6D6;
  --text:#161C19;
  --muted:#4A544E;
  --line:#DBD4C6;
  --ok:#2F7D5A;
  --warn:#C9821F;
  --err:#C0392B;
  --r-card:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,58,50,.06);
  --sh-2:0 12px 28px rgba(18,58,50,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--ink-soft);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--ink);color:#F1ECE1;padding:12px 20px;border-radius:var(--r-btn);
  transition:top .2s ease;
}
.skip-link:focus{top:12px;color:#F1ECE1;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,241,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  background:rgba(250,247,241,.98);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:76px;
  transition:height .2s ease;
}
.site-header.is-stuck .header-inner{height:62px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:#F1ECE1;flex:none;
}
.brand-text{line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .16s ease-out,background .16s ease-out;
}
.nav-links a:hover{color:var(--ink);background:var(--fill);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}
.nav-link-sub{
  font-size:14px;font-weight:500;color:var(--ink-soft);
  border-bottom:2px solid transparent;padding:6px 0;
  transition:border-color .16s ease-out,color .16s ease-out;
}
.nav-link-sub:hover{color:var(--ink);border-bottom-color:var(--ink);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--accent);color:#FFFFFF;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-hover);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#F1ECE1;}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,20,17,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:100;
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s cubic-bezier(.22,1,.36,1);
  padding:20px 22px 32px;display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;font-size:20px;line-height:1;color:var(--ink);
}
.drawer-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-list a{
  display:flex;align-items:center;min-height:52px;padding:0 4px;
  border-bottom:1px solid var(--line);font-size:16px;font-weight:500;color:var(--ink);
}
.drawer-list a.active{color:var(--accent);}
.drawer-cta{margin-top:18px;display:grid;gap:12px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb [aria-current="page"]{color:var(--text);font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 首屏 ---------- */
.page-hero{
  padding:32px 0 72px;
  background:
    radial-gradient(80% 70% at 92% 0%, rgba(217,96,59,.07), rgba(217,96,59,0) 62%),
    radial-gradient(60% 60% at 0% 10%, rgba(30,90,76,.06), rgba(30,90,76,0) 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-soft);background:var(--fill);
  padding:6px 12px;border-radius:999px;margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.page-hero h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.22;letter-spacing:-.015em;font-weight:700;color:var(--ink);
  margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:30em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);}
.hero-meta li{display:flex;align-items:center;gap:14px;}
.hero-meta li+li::before{content:"";width:1px;height:12px;background:var(--line);display:block;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--sh-2);
}
.hero-badge{
  position:absolute;left:-14px;bottom:-18px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;padding:14px 18px;
  box-shadow:var(--sh-2);max-width:220px;
}
.hero-badge strong{display:block;font-size:26px;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:12px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.3;letter-spacing:-.015em;
  font-weight:700;color:var(--ink);margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--muted);}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 使用前提示 ---------- */
.checklist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out;
}
.check-card:hover{border-color:var(--ink);box-shadow:var(--sh-2);transform:translateY(-2px);}
.check-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line);
  font-size:13px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.check-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- 流程：目录 + 时间线 ---------- */
.flow-layout{display:grid;grid-template-columns:238px 1fr;gap:56px;align-items:start;}
.toc{position:sticky;top:96px;align-self:start;}
.toc-title{
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;
}
.toc ul{display:flex;flex-direction:column;}
.toc a{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:6px 0 6px 16px;
  border-left:2px solid var(--line);
  font-size:14px;color:var(--muted);
  transition:color .16s ease-out,border-color .16s ease-out,background .16s ease-out;
}
.toc a:hover{color:var(--ink);border-left-color:var(--ink-soft);background:rgba(237,230,214,.5);}
.toc a.is-active{color:var(--ink);border-left-color:var(--ink);font-weight:600;}
.toc a span{font-variant-numeric:tabular-nums;font-size:12px;color:var(--accent);font-weight:700;}
.toc-note{
  margin-top:20px;padding:16px;border-radius:12px;background:var(--fill);
  font-size:13px;line-height:1.75;color:var(--ink);
}
.timeline{position:relative;padding:4px 0;}
.timeline::before{
  content:"";position:absolute;left:23px;top:18px;bottom:24px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding:0 0 44px 74px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:var(--surface);border:1.5px solid var(--line);
  display:grid;place-items:center;
  font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out;
  z-index:1;
}
.tl-item:hover .tl-node,.tl-item.is-current .tl-node{
  border-color:var(--ink);background:var(--ink);color:#F1ECE1;
}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.tl-item:hover .tl-body{border-color:rgba(18,58,50,.35);box-shadow:var(--sh-2);}
.tl-body h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:10px;letter-spacing:-.01em;}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:12px;}
.tl-body p:last-of-type{margin-bottom:0;}
.tl-points{display:flex;flex-direction:column;gap:6px;margin:14px 0 16px;}
.tl-points li{position:relative;padding-left:16px;font-size:14px;color:var(--text);line-height:1.8;}
.tl-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--ink-soft);
}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--text);
  background:var(--fill);border-radius:999px;padding:4px 10px;line-height:1.7;
}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted);}

/* ---------- 功能分区速查 ---------- */
.module-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.module-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out;
}
.module-card:hover{border-color:var(--ink);box-shadow:var(--sh-2);transform:translateY(-2px);}
.module-media{overflow:hidden;background:var(--fill);}
.module-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
.module-card:hover .module-media img{transform:scale(1.03);}
.module-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;}
.module-body h3{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em;}
.module-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.module-list{display:flex;flex-direction:column;gap:5px;margin-top:2px;}
.module-list li{position:relative;padding-left:15px;font-size:13.5px;color:var(--text);line-height:1.8;}
.module-list li::before{content:"—";position:absolute;left:0;color:var(--ink-soft);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.faq-item:hover{border-color:rgba(18,58,50,.35);}
.faq-item.is-open{border-color:var(--ink);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  min-height:56px;
}
.faq-q .faq-icon{
  position:relative;width:20px;height:20px;flex:none;
}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-soft);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-q .faq-icon::before{width:14px;height:2px;}
.faq-q .faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a>div{overflow:hidden;}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- CTA / 表单 ---------- */
.cta-band{
  background:var(--ink-deep);color:#F1ECE1;padding:88px 0;
  border-top:1px solid rgba(241,236,225,.12);
}
.cta-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;}
.cta-copy h2{
  font-size:clamp(24px,3vw,34px);line-height:1.32;letter-spacing:-.015em;
  color:#F1ECE1;margin-bottom:16px;font-weight:700;
}
.cta-copy p{font-size:16px;color:rgba(241,236,225,.78);margin-bottom:24px;max-width:30em;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-bottom:8px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(241,236,225,.9);
}
.cta-points li::before{
  content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--accent);margin-top:9px;
}
.form-card{
  background:var(--surface);border-radius:var(--r-card);padding:30px;
  box-shadow:var(--sh-2);color:var(--text);
}
.form-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field label .req{font-size:12px;font-weight:500;color:var(--muted);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);padding:0 14px;height:48px;font-size:15px;color:var(--text);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(74,84,78,.6);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,58,50,.12);
}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.consent{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;font-size:13px;color:var(--muted);line-height:1.7;}
.consent input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--ink);}
.consent a{color:var(--ink);border-bottom:2px solid rgba(18,58,50,.35);}
.consent a:hover{border-bottom-color:var(--ink);}
.form-card .btn{width:100%;}
.form-status{font-size:13px;margin-top:12px;color:var(--ok);min-height:18px;}
.form-status.is-error{color:var(--err);}
.form-tip{font-size:12px;color:var(--muted);margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(241,236,225,.82);padding:76px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(241,236,225,.14);color:#F1ECE1;}
.footer-brand .brand-text{font-size:18px;font-weight:700;color:#F1ECE1;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(241,236,225,.66);max-width:26em;}
.footer-col h3{
  font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(241,236,225,.55);margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(241,236,225,.82);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:13.5px;line-height:1.8;color:rgba(241,236,225,.72);}
.footer-contact strong{display:block;color:#F1ECE1;font-size:13px;font-weight:600;margin-bottom:2px;}
.footer-bottom{
  border-top:1px solid rgba(241,236,225,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(241,236,225,.6);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,1,.36,1),transform .48s cubic-bezier(.22,1,.36,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:0 11px;font-size:14px;}
  .hero-grid{gap:40px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-link-sub{display:none;}
  .burger{display:flex;}
  .nav-actions{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-badge{left:auto;right:16px;bottom:-18px;}
  .flow-layout{grid-template-columns:1fr;gap:24px;}
  .toc{position:sticky;top:70px;z-index:20;background:var(--bg);padding:10px 0;margin:0 -24px;padding-left:24px;padding-right:24px;border-bottom:1px solid var(--line);}
  .toc-title{display:none;}
  .toc ul{flex-direction:row;overflow-x:auto;gap:8px;scrollbar-width:thin;}
  .toc a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:0 16px;white-space:nowrap;min-height:40px;background:var(--surface);}
  .toc a.is-active{border-color:var(--ink);background:var(--ink);color:#F1ECE1;}
  .toc a.is-active span{color:#F1ECE1;}
  .toc-note{display:none;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .checklist-grid{grid-template-columns:1fr;}
  .module-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .page-hero{padding:20px 0 56px;}
  .section-head{margin-bottom:32px;}
  .tl-item{padding-left:0;padding-bottom:28px;}
  .timeline::before{display:none;}
  .tl-node{position:static;margin-bottom:12px;}
  .tl-body{padding:20px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-col{border-top:1px solid rgba(241,236,225,.14);padding-top:20px;}
  .footer-brand .brand-text{font-size:16px;}
  .cta-band{padding:64px 0;}
  .form-card{padding:24px;}
}
@media (max-width:560px){
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .header-inner{height:66px;gap:12px;}
  .site-header.is-stuck .header-inner{height:58px;}
  .nav-actions .btn-sm{padding:0 14px;font-size:13px;height:44px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{font-size:12px;gap:10px;}
  .hero-meta li{gap:10px;}
  .hero-badge{padding:12px 14px;max-width:180px;}
  .hero-badge strong{font-size:22px;}
  .cta-copy h2{font-size:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category4 */
:root{
  --brand:#123A32;
  --brand-deep:#0E2A24;
  --brand-light:#1E5A4C;
  --accent:#D9603B;
  --accent-hover:#BC4C2B;
  --bg:#FAF7F1;
  --surface:#FFFFFF;
  --fill:#EDE6D6;
  --cream:#F1ECE1;
  --ink:#161C19;
  --ink-2:#4A544E;
  --line:#DBD4C6;
  --success:#2F7D5A;
  --warning:#C9821F;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:10px;
  --r-badge:999px;
  --shadow-1:0 1px 2px rgba(18,58,50,.06);
  --shadow-2:0 12px 28px rgba(18,58,50,.10);
  --container:1200px;
  --gap:24px;
  --section:96px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-light);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;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;
}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--brand);color:var(--cream);
  padding:12px 20px;border-radius:var(--r-btn);
  transition:top .18s ease-out;
}
.skip-link:focus{top:12px;color:var(--cream);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(250,247,241,.96);
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  background:rgba(250,247,241,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
  transition:height .2s ease-out;
}
.site-header.is-scrolled .header-inner{height:62px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--brand);
  font-weight:700;
  letter-spacing:-.015em;
  font-size:19px;
  flex-shrink:0;
  min-height:44px;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand);
  color:var(--cream);
  flex-shrink:0;
}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:8px;
  transition:color .16s ease-out,background .16s ease-out;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:6px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--brand);background:rgba(219,212,198,.28);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.header-phone{
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 4px;
}
.header-phone:hover{color:var(--brand);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:10px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  background:var(--brand);
  position:relative;
  border-radius:2px;
  transition:background .18s ease-out;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:20px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:transform .2s ease-out,top .2s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  background:var(--accent-hover);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(217,96,59,.24);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand);color:var(--cream);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  border-bottom:2px solid rgba(18,58,50,.35);
  padding-bottom:2px;
  transition:color .16s ease-out,border-color .16s ease-out;
}
.link-arrow svg{transition:transform .16s ease-out;}
.link-arrow:hover{color:var(--accent);border-color:var(--accent);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--ink-2);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  padding:36px 0 0;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(22,28,25,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(22,28,25,.04) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(ellipse at 20% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 20% 0%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;
  align-items:center;
  padding:28px 0 64px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand-light);
  background:var(--fill);
  border-radius:var(--r-badge);
  padding:6px 14px;
  margin-bottom:20px;
}
.hero-eyebrow i{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  display:block;
}
.hero h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.22;
  letter-spacing:-.015em;
  font-weight:700;
  color:var(--brand);
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  color:var(--accent);
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:26px;
}
.hero-lead p + p{margin-top:10px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  font-size:13px;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  padding-top:18px;
  margin-top:26px;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;position:relative;}
.hero-meta span + span::before{
  content:"";
  width:1px;height:12px;
  background:var(--line);
  position:absolute;left:-13px;top:50%;
  transform:translateY(-50%);
}
.hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--fill);
}
.hero-figure img{
  width:100%;
  height:100%;
  aspect-ratio:3/2;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,42,36,0) 30%,rgba(14,42,36,.55) 100%);
  pointer-events:none;
}
.hero-figure figcaption{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  color:var(--cream);
  font-size:13px;
  line-height:1.6;
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-figure figcaption strong{
  font-size:22px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}

/* ---------- 搜索入口 ---------- */
.search-block{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
  margin-bottom:var(--section);
}
.search-block h2{
  font-size:20px;
  font-weight:600;
  letter-spacing:-.01em;
  margin-bottom:6px;
}
.search-block p{
  font-size:14px;
  color:var(--ink-2);
  margin-bottom:18px;
}
.search-form{
  display:flex;
  gap:12px;
  align-items:stretch;
}
.search-form input{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .16s ease-out,box-shadow .16s ease-out,background .16s ease-out;
  min-width:0;
}
.search-form input::placeholder{color:rgba(74,84,78,.6);}
.search-form input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,58,50,.12);
}
.search-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.search-tags a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 14px;
  font-size:13px;
  color:var(--ink-2);
  background:var(--fill);
  border-radius:var(--r-badge);
  transition:background .16s ease-out,color .16s ease-out;
}
.search-tags a:hover{background:var(--brand);color:var(--cream);}

/* ---------- 主体两栏 ---------- */
.support-section{padding-bottom:var(--section);}
.support-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 336px;
  gap:40px;
  align-items:start;
}
.support-main{min-width:0;}
.section-heading{margin-bottom:28px;}
.section-heading .kicker{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand-light);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-heading h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  letter-spacing:-.015em;
  font-weight:700;
  color:var(--brand);
  margin-bottom:10px;
}
.section-heading p{
  font-size:15px;
  color:var(--ink-2);
  max-width:640px;
}

.faq-group{
  margin-bottom:44px;
  scroll-margin-top:100px;
}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:16px;
}
.faq-group-head .num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:50%;
  border:1.5px solid var(--brand);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
}
.faq-group-head h2{
  font-size:22px;
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--ink);
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.faq-item:hover{border-color:var(--brand-light);}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  min-height:52px;
  background:none;
  border:0;
  border-radius:12px;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  transition:color .16s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;
  width:22px;height:22px;
  flex-shrink:0;
  margin-top:2px;
  border-radius:50%;
  border:1.5px solid var(--line);
  transition:border-color .18s ease-out,transform .22s ease-out,background .18s ease-out;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  transform:translate(-50%,-50%);
  transition:opacity .18s ease-out,background .18s ease-out;
}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item.is-open .faq-icon{
  background:var(--brand);
  border-color:var(--brand);
  transform:rotate(180deg);
}
.faq-item.is-open .faq-icon::before{background:var(--cream);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  border-top:1px solid transparent;
}
.faq-a-inner p + p{margin-top:10px;}

/* ---------- 侧栏联系卡 ---------- */
.support-aside{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.contact-card{
  background:var(--brand);
  color:var(--cream);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow-2);
}
.contact-card h2{
  font-size:19px;
  font-weight:600;
  letter-spacing:-.01em;
  margin-bottom:8px;
  color:var(--cream);
}
.contact-card > p{
  font-size:14px;
  line-height:1.8;
  color:rgba(241,236,225,.78);
  margin-bottom:20px;
}
.contact-list{display:flex;flex-direction:column;gap:16px;margin-bottom:22px;}
.contact-list li{
  display:flex;
  gap:12px;
  font-size:14px;
  line-height:1.7;
  color:rgba(241,236,225,.86);
}
.contact-list li strong{
  display:block;
  color:var(--cream);
  font-weight:600;
  font-size:14px;
  margin-bottom:2px;
}
.contact-list .ico{
  width:34px;height:34px;
  flex-shrink:0;
  border-radius:9px;
  background:rgba(241,236,225,.12);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--cream);
}
.contact-card .btn-primary{width:100%;}
.contact-note{
  font-size:12px;
  line-height:1.7;
  color:rgba(241,236,225,.62);
  margin-top:14px;
}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
}
.aside-card h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:12px;
  color:var(--ink);
}
.aside-card ul{display:flex;flex-direction:column;gap:12px;}
.aside-card li{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  padding-left:16px;
  position:relative;
}
.aside-card li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--accent);
}
.aside-card li b{color:var(--ink);font-weight:600;}

/* ---------- 响应节奏 ---------- */
.pace-section{
  background:var(--brand-deep);
  color:var(--cream);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.pace-section::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(241,236,225,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(241,236,225,.05) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.pace-head{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.pace-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--cream);
  margin-bottom:8px;
}
.pace-head p{
  font-size:15px;
  color:rgba(241,236,225,.72);
  max-width:560px;
}
.pace-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:rgba(241,236,225,.16);
  border-radius:var(--r-card);
  overflow:hidden;
}
.pace-item{
  background:var(--brand-deep);
  padding:28px 24px;
}
.pace-item .num{
  font-size:40px;
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--cream);
  display:flex;
  align-items:baseline;
  gap:4px;
}
.pace-item .num small{
  font-size:14px;
  font-weight:500;
  color:rgba(241,236,225,.68);
}
.pace-item h3{
  font-size:15px;
  font-weight:600;
  margin:12px 0 6px;
  color:var(--cream);
}
.pace-item p{
  font-size:13px;
  line-height:1.7;
  color:rgba(241,236,225,.66);
}

/* ---------- CTA 表单 ---------- */
.cta-section{padding:var(--section) 0;}
.cta-layout{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:56px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(26px,3vw,38px);
  line-height:1.28;
  letter-spacing:-.015em;
  font-weight:700;
  color:var(--brand);
  margin-bottom:16px;
}
.cta-copy > p{
  font-size:16px;
  color:var(--ink-2);
  margin-bottom:24px;
  max-width:460px;
}
.guarantee-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;}
.guarantee-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:var(--ink);
}
.guarantee-list svg{flex-shrink:0;margin-top:5px;color:var(--success);}
.cta-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.cta-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--shadow-1);
}
.form-card h3{
  font-size:20px;
  font-weight:600;
  letter-spacing:-.01em;
  margin-bottom:6px;
}
.form-card > p{
  font-size:14px;
  color:var(--ink-2);
  margin-bottom:22px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--ink);
}
.field label .req{
  font-size:12px;
  font-weight:500;
  color:var(--accent);
  margin-left:6px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  font-size:15px;
  color:var(--ink);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:0 14px;
  height:48px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out,background .16s ease-out;
}
.field textarea{
  height:auto;
  min-height:104px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234A544E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;}
.field input::placeholder,
.field textarea::placeholder{color:rgba(74,84,78,.6);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,58,50,.12);
}
.field-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.checkbox-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-2);
  margin-bottom:8px;
}
.checkbox-row input{
  width:18px;height:18px;
  margin-top:3px;
  flex-shrink:0;
  accent-color:var(--brand);
}
.checkbox-row a{text-decoration:underline;text-underline-offset:3px;}
.form-hint{
  font-size:12px;
  color:var(--warning);
  margin-bottom:14px;
}
.form-status{
  display:none;
  font-size:14px;
  padding:12px 14px;
  border-radius:var(--r-btn);
  margin-bottom:16px;
  line-height:1.6;
}
.form-status.is-error{
  display:block;
  background:rgba(192,57,43,.08);
  border:1px solid rgba(192,57,43,.32);
  color:var(--danger);
}
.form-status.is-success{
  display:block;
  background:rgba(47,125,90,.08);
  border:1px solid rgba(47,125,90,.32);
  color:var(--success);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:var(--cream);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  background:rgba(241,236,225,.14);
  color:var(--cream);
}
.footer-brand .brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--cream);
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(241,236,225,.68);
  max-width:300px;
}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:var(--cream);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(241,236,225,.72);
  transition:color .16s ease-out;
  display:inline-block;
  min-height:24px;
}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{
  font-size:13px;
  line-height:1.8;
  color:rgba(241,236,225,.68);
}
.footer-contact strong{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--cream);
  margin-bottom:2px;
}
.footer-bottom{
  border-top:1px solid rgba(241,236,225,.16);
  padding:20px 0 24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(241,236,225,.56);
}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;
  background:rgba(10,20,17,.55);
  backdrop-filter:blur(2px);
  -webkit-backdrop-filter:blur(2px);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;
  z-index:190;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:88%;
  max-width:380px;
  background:var(--bg);
  z-index:200;
  transform:translateX(100%);
  transition:transform .26s cubic-bezier(.22,1,.36,1);
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:16px;
}
.drawer-head .brand{font-size:16px;}
.drawer-close{
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  font-size:20px;
  line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 4px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--accent);font-weight:600;}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot{
  margin-top:auto;
  padding-top:20px;
  font-size:12px;
  color:var(--ink-2);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,1,.36,1),transform .48s cubic-bezier(.22,1,.36,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:0 9px;font-size:14px;}
  .header-phone{display:none;}
}
@media (max-width:1024px){
  :root{--section:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-bottom:48px;}
  .hero-figure{max-width:620px;}
  .support-layout{grid-template-columns:1fr;gap:32px;}
  .support-aside{position:static;}
  .pace-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-layout{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--section:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .header-inner{height:64px;gap:12px;}
  .brand{font-size:16px;}
  .brand-mark{width:30px;height:30px;}
  .hero h1{font-size:clamp(28px,7vw,38px);}
  .hero-lead{font-size:16px;}
  .search-block{padding:22px 20px;}
  .search-form{flex-direction:column;}
  .search-form .btn{width:100%;}
  .faq-q{font-size:16px;}
  .pace-section{padding:56px 0;}
  .pace-item{padding:22px 18px;}
  .pace-item .num{font-size:32px;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-col{border-top:1px solid rgba(241,236,225,.16);padding-top:20px;}
  .footer-grid > div:first-child{border-top:0;padding-top:0;}
}
@media (max-width:560px){
  .field-row{grid-template-columns:1fr;}
  .hero-meta{flex-direction:column;gap:8px;}
  .hero-meta span + span::before{display:none;}
  .pace-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{height:46px;}
  .contact-card{padding:22px 20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none;}
}