/* roulang page: index */
:root{
  --ink:#12362E;
  --ink-soft:#1B4A3F;
  --lake:#2E8C7E;
  --lake-soft:#8FC4BA;
  --coral:#D9573A;
  --coral-dark:#C0492F;
  --bg:#F6F2E9;
  --white:#FFFFFF;
  --mist:#E4EDE9;
  --text:#1B2420;
  --text-2:#5A655F;
  --text-3:#8A938D;
  --line:#E2DCCD;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(18,54,46,.06),0 8px 24px rgba(18,54,46,.06);
  --shadow-2:0 2px 4px rgba(18,54,46,.08),0 16px 36px rgba(18,54,46,.12);
  --font-serif:"Noto Serif SC","Songti SC",STSong,Georgia,"Microsoft YaHei",serif;
  --font-sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --section-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--lake);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);color:var(--ink);line-height:1.2;font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
:target{scroll-margin-top:100px;}
::selection{background:rgba(46,140,126,.22);}

/* ---------- layout ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--section-pad) 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px;flex-wrap:wrap;}
.section-head-left{max-width:640px;}
.section-title{font-size:clamp(24px,2.6vw,34px);letter-spacing:0;margin-bottom:12px;}
.section-desc{color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:44em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;color:var(--lake);
  text-transform:uppercase;font-family:var(--font-sans);font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--lake);display:inline-block;}
.wave-line{height:1px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);border:0;margin:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--lake);outline-offset:3px;}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(217,87,58,.22);}
.btn-coral:hover{background:var(--coral-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(192,73,47,.28);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--lake);color:var(--lake);background:rgba(46,140,126,.05);}
.btn-ink{background:var(--ink);color:#F6F2E9;}
.btn-ink:hover{background:var(--ink-soft);color:#fff;transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--mist);color:var(--ink);
  font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;
  font-weight:600;letter-spacing:.02em;
}
.badge-coral{background:var(--coral);color:#fff;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--text-2);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,242,233,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,54,46,.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit;}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--lake);flex:0 0 auto;box-shadow:0 0 0 4px rgba(46,140,126,.14);}
.brand-text strong{display:block;font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);line-height:1.2;letter-spacing:.01em;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.1em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;
  font-weight:500;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lake);
  transform:scaleX(0);transform-origin:left center;transition:transform .22s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink);}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:var(--radius-btn);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(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);}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 76px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(46,140,126,.14),rgba(46,140,126,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;}
.hero-title{
  font-size:clamp(32px,4vw,52px);line-height:1.16;letter-spacing:0;
  margin:16px 0 20px;max-width:14em;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:22px;}
.hero-stats li{padding-right:26px;margin-right:26px;border-right:1px solid var(--line);}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stats strong{display:block;font-family:var(--font-serif);font-size:19px;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:12.5px;color:var(--text-3);}
.hero-media-wrap{display:flex;justify-content:flex-end;}
.hero-media{
  position:relative;width:100%;max-width:420px;margin:0;
  aspect-ratio:9/16;max-height:560px;
  border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--mist);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media-badge{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.92);color:var(--ink);
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;letter-spacing:.04em;
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(18,54,46,.24);cursor:pointer;
  transition:transform .2s ease,background .2s ease;
}
.play-btn::after{content:"";width:0;height:0;border-left:16px solid var(--ink);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px;}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:#fff;}
.hero-media-caption{
  position:absolute;left:0;right:0;bottom:0;padding:46px 18px 16px;color:#fff;
  font-size:14px;line-height:1.5;
  background:linear-gradient(180deg,rgba(18,54,46,0) 0%,rgba(18,54,46,.78) 100%);
}

/* ---------- trust bar ---------- */
.trust-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-grid li{padding:28px 8px;text-align:center;border-right:1px solid var(--line);}
.trust-grid li:last-child{border-right:0;}
.trust-grid strong{display:block;font-family:var(--font-serif);font-size:28px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;}
.trust-grid span{font-size:13px;color:var(--text-3);}

/* ---------- clips ---------- */
.arrow-group{display:flex;gap:10px;}
.arrow-btn{
  width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;
  color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;
  font-size:16px;transition:all .18s ease;
}
.arrow-btn:hover{border-color:var(--lake);color:var(--lake);background:rgba(46,140,126,.06);}
.arrow-btn:focus-visible{outline:2px solid var(--lake);outline-offset:2px;}
.arrow-btn[disabled]{opacity:.4;cursor:not-allowed;}
.clip-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 16px;scrollbar-width:none;-ms-overflow-style:none;
}
.clip-track::-webkit-scrollbar{display:none;}
.clip-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.clip-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--mist);}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.clip-card:hover .clip-cover img{transform:scale(1.03);}
.clip-duration{
  position:absolute;right:10px;bottom:10px;background:rgba(18,54,46,.82);color:#fff;
  font-size:12px;padding:3px 10px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.clip-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1;}
.clip-title{
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;
}
.clip-meta{font-size:12.5px;color:var(--text-3);margin-top:10px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.clip-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--lake);}
.clip-link:hover{color:var(--coral);}

/* ---------- pick list ---------- */
.pick-list{border-top:1px solid var(--line);}
.pick-row{
  display:grid;grid-template-columns:56px 88px 1fr 190px;gap:20px;align-items:center;
  padding:22px 10px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.pick-row:hover{background:rgba(228,237,233,.55);}
.pick-num{font-family:var(--font-serif);font-size:28px;color:rgba(46,140,126,.55);font-variant-numeric:tabular-nums;line-height:1;}
.pick-thumb{width:88px;height:88px;border-radius:10px;overflow:hidden;background:var(--mist);}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-title{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.45;}
.pick-points{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13.5px;color:var(--text-2);}
.pick-points li{position:relative;padding-left:13px;}
.pick-points li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:4px;border-radius:50%;background:var(--lake-soft);}
.pick-side{text-align:right;}
.pick-spec{font-size:12.5px;color:var(--text-3);margin-bottom:10px;font-variant-numeric:tabular-nums;}

/* ---------- reviews ---------- */
.reviews{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.review-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 12px;scrollbar-width:none;}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  position:relative;flex:0 0 320px;scroll-snap-align:start;background:#fff;
  border-radius:var(--radius-card);padding:24px 22px 22px;box-shadow:var(--shadow-1);
}
.quote-mark{position:absolute;right:18px;top:8px;font-family:var(--font-serif);font-size:46px;line-height:1;color:var(--lake-soft);opacity:.55;}
.stars{color:var(--coral);letter-spacing:2px;font-size:13px;margin-bottom:10px;}
.review-text{font-size:14.5px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.review-person{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--mist);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;font-family:var(--font-serif);
}
.review-person strong{display:block;font-size:13.5px;color:var(--ink);font-weight:600;line-height:1.3;}
.review-person span{font-size:12px;color:var(--text-3);}

/* ---------- news ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;color:inherit;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:inherit;}
.news-cover{aspect-ratio:16/10;overflow:hidden;background:var(--mist);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-badge{margin-bottom:12px;}
.news-title{
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;font-family:var(--font-sans);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:13.5px;color:var(--text-2);line-height:1.75;margin-top:10px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-foot em{font-style:normal;color:var(--lake);font-weight:600;}
.news-grid-row{margin-bottom:-24px;}
.news-grid-row > [class*="cell"]{margin-bottom:24px;}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--mist);padding:56px 24px;text-align:center;
}
.news-empty strong{display:block;font-family:var(--font-serif);font-size:18px;color:var(--ink);margin-bottom:8px;}
.news-empty p{font-size:14px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--coral);
  transform:scaleY(0);transform-origin:top center;transition:transform .22s ease;
}
.faq-item[open]::before{transform:scaleY(1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;line-height:1;color:var(--lake);transition:transform .22s ease;font-weight:400;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* ---------- cta / form ---------- */
.cta-block{background:var(--ink);color:#EFF3F0;padding:var(--section-pad) 0;}
.cta-block h2{color:#fff;font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;line-height:1.25;}
.cta-block p{color:#C6D2CC;font-size:15.5px;line-height:1.85;max-width:34em;}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:#D8E0DB;align-items:flex-start;}
.cta-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--coral);margin-top:11px;}
.form-card{background:#fff;border-radius:var(--radius-card);padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.22);color:var(--text);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 14px;font-size:14.5px;color:var(--text);background:#fff;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lake);box-shadow:0 0 0 3px rgba(46,140,126,.15);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B1AC;}
.form-status{display:none;font-size:13.5px;color:var(--lake);margin-top:12px;font-weight:600;}
.form-status.is-visible{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#BFCAC4;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-mark{background:var(--lake-soft);}
.footer-brand strong{display:block;font-family:var(--font-serif);font-size:20px;color:#fff;letter-spacing:.01em;}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;color:#8FA098;letter-spacing:.1em;margin-top:4px;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#9FAEA7;margin-top:16px;max-width:22em;}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.06em;font-family:var(--font-sans);font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#B4C1BA;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{font-size:13.5px;color:#9FAEA7;line-height:1.8;margin-bottom:10px;}
.footer-contact strong{color:#DDE5E1;font-weight:600;}
.qr-box{
  width:104px;height:104px;border:1px solid rgba(255,255,255,.18);border-radius:10px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:11.5px;color:#8FA098;line-height:1.6;margin-bottom:16px;background:rgba(255,255,255,.03);
  padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:52px;padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:#84938C;
}
.footer-bottom a{color:#84938C;}
.footer-bottom a:hover{color:#fff;}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none;}

/* ---------- animation ---------- */
.reveal{opacity:0;transform:translateY(8px);animation:rise .5s ease forwards;}
.reveal.d1{animation-delay:.06s;}
.reveal.d2{animation-delay:.12s;}
.reveal.d3{animation-delay:.18s;}
@keyframes rise{to{opacity:1;transform:translateY(0);}}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;}
  .nav-link{font-size:14px;}
  .main-nav{gap:20px;}
}
@media (max-width:1100px){
  .header-actions .btn-ghost{display:none;}
  .brand-text em{display:none;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  :root{--section-pad:72px;}
  .main-nav{
    position:fixed;left:0;right:0;top:78px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:12px 24px 24px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 36px rgba(18,54,46,.12);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .24s ease,opacity .24s ease;
    max-height:calc(100vh - 78px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{font-size:18px;padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--lake);}
  .nav-drawer-cta{display:flex;margin-top:20px;}
  .header-actions .btn-coral{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:48px 0 56px;}
  .hero-media-wrap{justify-content:center;margin-top:36px;}
  .hero-media{max-width:460px;aspect-ratio:4/5;max-height:none;}
  .hero-sub{max-width:none;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .trust-grid li:nth-child(2){border-right:0;}
  .trust-grid li:nth-child(1),.trust-grid li:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pick-row{grid-template-columns:48px 1fr 170px;gap:16px;}
  .pick-thumb{display:none;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  :root{--section-pad:56px;}
  .header-inner{height:68px;}
  .main-nav{top:68px;max-height:calc(100vh - 68px);}
  .brand-text strong{font-size:17px;}
  .hero-title{font-size:clamp(28px,7.6vw,34px);}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{flex-direction:column;gap:14px;border-top:1px solid var(--line);padding-top:18px;}
  .hero-stats li{padding-right:0;margin-right:0;border-right:0;display:flex;align-items:baseline;gap:10px;}
  .hero-stats strong{font-size:17px;}
  .hero-media-caption{font-size:13px;padding:38px 14px 14px;}
  .play-btn{width:56px;height:56px;}
  .clip-card{flex:0 0 240px;}
  .clip-track{margin-left:-20px;margin-right:-20px;padding-left:20px;padding-right:20px;}
  .review-track{margin-left:-20px;margin-right:-20px;padding-left:20px;padding-right:20px;}
  .review-card{flex:0 0 82%;}
  .pick-row{grid-template-columns:36px 1fr;gap:14px;padding:18px 6px;}
  .pick-num{font-size:22px;}
  .pick-side{grid-column:1 / -1;text-align:left;}
  .pick-side .btn{width:100%;margin-top:6px;}
  .pick-spec{margin-bottom:8px;}
  .section-title{font-size:24px;}
  .cta-block{padding-bottom:72px;}
  .form-card{padding:22px 18px;margin-top:32px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .news-foot{font-size:12px;}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:64px;background:#fff;border-top:1px solid var(--line);
    align-items:center;justify-content:space-between;gap:12px;
    padding:0 16px;padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px rgba(18,54,46,.08);
  }
  .mobile-bar-info strong{display:block;font-size:13.5px;color:var(--ink);font-weight:600;line-height:1.3;}
  .mobile-bar-info span{font-size:11.5px;color:var(--text-3);}
  .mobile-bar .btn{height:40px;padding:0 18px;font-size:13.5px;}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#12362E;
  --ink-deep:#0C2620;
  --lake:#2E8C7E;
  --coral:#D9573A;
  --coral-dark:#C0492F;
  --bg:#F6F2E9;
  --white:#FFFFFF;
  --mist:#E4EDE9;
  --text:#1B2420;
  --text-2:#5A655F;
  --text-3:#8A938D;
  --line:#E2DCCD;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,54,46,.06), 0 8px 24px rgba(18,54,46,.06);
  --shadow-2:0 2px 4px rgba(18,54,46,.06), 0 16px 36px rgba(18,54,46,.12);
  --space-l:96px;
  --space-m:72px;
  --space-s:56px;
  --serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::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:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--lake);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink);font-weight:700;line-height:1.25;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--lake);outline-offset:3px;border-radius:4px;}
::selection{background:var(--lake);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--space-l) 0;}
.section--tight{padding:var(--space-m) 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(26px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lake);
  font-weight:600;
  margin-bottom:14px;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;text-align:center;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(217,87,58,.24);}
.btn-coral:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(217,87,58,.3);}
.btn-coral:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--lake);color:var(--lake);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-2px);}
.btn-block{display:flex;width:100%;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,242,233,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,54,46,.06);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--lake);box-shadow:0 0 0 4px rgba(46,140,126,.14);}
.brand-text strong{display:block;font-family:var(--serif);font-size:20px;font-weight:700;color:var(--ink);line-height:1.2;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:auto;}
.nav-link{position:relative;color:var(--ink);font-size:15px;padding:6px 0;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--lake);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;flex-shrink:0;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;flex-shrink:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 面包屑 ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:28px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--lake);}
.crumb span{color:var(--text-3);opacity:.6;}

/* ===== 页面首屏 ===== */
.page-hero{padding:56px 0 0;}
.page-hero h1{font-size:clamp(32px,4.4vw,50px);line-height:1.18;margin-bottom:20px;max-width:16em;}
.page-hero .lede{font-size:17px;color:var(--text-2);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:22px;}
.hero-facts .fact{padding:0 26px;border-left:1px solid var(--line);}
.hero-facts .fact:first-child{padding-left:0;border-left:0;}
.hero-facts strong{display:block;font-family:var(--serif);font-size:22px;color:var(--ink);line-height:1.3;}
.hero-facts em{display:block;font-style:normal;font-size:13px;color:var(--text-3);}
.hero-figure{
  margin:0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:4/5;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ===== 整幅宽图 ===== */
.panorama{padding:var(--space-m) 0 0;}
.panorama figure{margin:0;}
.panorama .frame{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);aspect-ratio:21/9;
}
.panorama img{width:100%;height:100%;object-fit:cover;}
.panorama figcaption{margin-top:14px;font-size:14px;color:var(--text-3);}

/* ===== 交错图文 ===== */
.split-row{display:flex;align-items:center;gap:48px;}
.split-row + .split-row{margin-top:64px;}
.split-media{flex:0 0 42%;max-width:42%;}
.split-media figure{margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-text{flex:1 1 auto;}
.split-text h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px;}
.split-text p{color:var(--text-2);font-size:16px;margin-bottom:14px;}
.split-text .mini-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text-2);margin-bottom:8px;
}
.split-text .mini-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--lake);
}
.split-row.is-reverse .split-media{order:2;}

/* ===== 图集网格 ===== */
.gallery{background:linear-gradient(180deg,rgba(228,237,233,.55),rgba(228,237,233,0));}
.shot-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.shot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d8d1bf;}
.shot-media{aspect-ratio:4/3;overflow:hidden;}
.shot-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.shot-card:hover .shot-media img{transform:scale(1.03);}
.shot-body{padding:18px 20px 22px;}
.shot-body h3{font-size:17px;margin-bottom:6px;}
.shot-body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--mist);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--coral{background:var(--coral);color:#fff;}

/* ===== 深色须知区块 ===== */
.notice-band{background:var(--ink);color:#EDEAE1;padding:var(--space-m) 0;}
.notice-band h2{color:#fff;font-size:clamp(24px,2.6vw,30px);margin-bottom:12px;}
.notice-band .band-lede{color:rgba(237,234,225,.78);max-width:36em;margin-bottom:36px;font-size:16px;}
.notice-item{
  height:100%;padding:24px 24px 26px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(237,234,225,.16);
  border-radius:var(--radius-card);
}
.notice-item .num{
  font-family:var(--serif);font-size:26px;color:var(--lake);
  display:block;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.notice-item h3{color:#fff;font-size:17px;margin-bottom:8px;}
.notice-item p{color:rgba(237,234,225,.74);font-size:14px;margin:0;line-height:1.8;}

/* ===== FAQ ===== */
.faq-list{max-width:840px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  margin-bottom:12px;overflow:hidden;position:relative;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--coral);border-color:#d9d2c1;}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 56px 18px 22px;
  font-weight:600;color:var(--ink);font-size:16px;line-height:1.6;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--lake);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ===== 预约 CTA ===== */
.booking{background:var(--ink-deep);color:#EDEAE1;padding:var(--space-l) 0;}
.booking h2{color:#fff;font-size:clamp(26px,3vw,34px);margin-bottom:14px;}
.booking .booking-lede{color:rgba(237,234,225,.78);font-size:16px;max-width:34em;margin-bottom:22px;}
.booking-list li{
  position:relative;padding-left:20px;font-size:15px;color:rgba(237,234,225,.8);margin-bottom:10px;
}
.booking-list li::before{
  content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:50%;background:var(--lake);
}
.form-card{
  background:#fff;border-radius:var(--radius-card);
  padding:30px 28px 28px;box-shadow:var(--shadow-2);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--text-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:10px 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--text);font-size:15px;line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#cfc7b3;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lake);box-shadow:0 0 0 3px rgba(46,140,126,.16);
}
.form-tip{display:none;margin-top:14px;font-size:14px;color:var(--lake);font-weight:600;}
.form-tip.is-on{display:block;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#EDEAE1;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1fr;gap:40px;}
.footer-brand strong{display:block;font-family:var(--serif);font-size:20px;color:#fff;margin-bottom:4px;}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(237,234,225,.6);margin-bottom:16px;letter-spacing:.06em;}
.footer-brand p{font-size:14px;color:rgba(237,234,225,.72);line-height:1.85;margin:0;max-width:22em;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--sans);font-weight:600;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(237,234,225,.72);}
.footer-col ul li a{color:rgba(237,234,225,.78);font-size:14px;}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{line-height:1.7;}
.footer-contact strong{color:rgba(237,234,225,.95);font-weight:600;}
.qr-box{
  border:1px dashed rgba(237,234,225,.34);border-radius:var(--radius-btn);
  height:92px;display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(237,234,225,.6);line-height:1.6;margin-bottom:14px;padding:8px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(237,234,225,.16);
  font-size:12px;color:rgba(237,234,225,.55);
}

/* ===== 动画 ===== */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .header-actions .btn-ghost{display:none;}
  .main-nav{gap:18px;}
  .nav-link{font-size:14px;}
}
@media (max-width:1199px){
  .nav-link{font-size:13.5px;}
  .main-nav{gap:15px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:var(--space-m) 0;}
  .section--tight{padding:56px 0;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-actions{display:none;}
  .main-nav{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(86vw,360px);
    background:#fff;
    display:flex;flex-direction:column;align-items:stretch;
    gap:4px;
    padding:88px 24px 28px;
    transform:translateX(105%);
    transition:transform .28s ease;
    box-shadow:-16px 0 44px rgba(18,54,46,.16);
    overflow-y:auto;
    z-index:70;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{font-size:18px;padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--lake);}
  .nav-drawer-cta{display:flex;margin-top:24px;width:100%;}
  .page-hero{padding:40px 0 0;}
  .hero-figure{margin-top:34px;aspect-ratio:4/5;}
  .split-row{flex-direction:column;gap:24px;align-items:stretch;}
  .split-row + .split-row{margin-top:48px;}
  .split-media{flex:1 1 auto;max-width:100%;}
  .split-row.is-reverse .split-media{order:0;}
  .panorama .frame{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .booking{padding:var(--space-m) 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .section{padding:var(--space-s) 0;}
  .brand-text strong{font-size:17px;}
  .brand-text em{font-size:11px;}
  .page-hero h1{font-size:32px;}
  .page-hero .lede{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:16px;}
  .hero-facts .fact{padding:0;border-left:0;flex:1 1 40%;}
  .hero-facts strong{font-size:19px;}
  .hero-figure{aspect-ratio:4/5;}
  .panorama .frame{aspect-ratio:4/3;}
  .split-text h2{font-size:24px;}
  .notice-item{padding:20px;}
  .form-card{padding:22px 18px;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#12362E;
  --ink-soft:#1B4A40;
  --teal:#2E8C7E;
  --coral:#D9573A;
  --coral-dark:#C0492F;
  --bg:#F6F2E9;
  --white:#FFFFFF;
  --mist:#E4EDE9;
  --text:#1B2420;
  --text-2:#5A655F;
  --text-3:#8A938D;
  --line:#E2DCCD;
  --r-card:14px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,54,46,.06),0 8px 24px rgba(18,54,46,.06);
  --sh-2:0 2px 4px rgba(18,54,46,.06),0 16px 36px rgba(18,54,46,.12);
  --serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1200px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--teal);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
h1,h2,h3,h4,h5{font-family:var(--serif);color:var(--ink);margin:0;font-weight:700;line-height:1.25;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:22px;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:3px solid rgba(46,140,126,.40);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(217,87,58,.22);}
.btn-coral:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(217,87,58,.28);}
.btn-coral:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);background:rgba(46,140,126,.06);}
.btn-teal{background:var(--teal);color:#fff;}
.btn-teal:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1;
  background:var(--mist);
  color:var(--ink);
}
.badge-coral{background:var(--coral);color:#fff;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,242,233,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 2px 18px rgba(18,54,46,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:12px;
  height:12px;
  border-radius:3px;
  background:var(--teal);
  flex:0 0 auto;
}
.brand-text strong{
  display:block;
  font-family:var(--serif);
  font-size:19px;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
}
.brand-text em{
  display:block;
  font-style:normal;
  font-size:11px;
  color:var(--text-3);
  line-height:1.4;
  margin-top:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--ink);
  white-space:nowrap;
  text-decoration:none;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--teal);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--teal);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.header-actions .btn{min-height:42px;padding:0 20px;font-size:14px;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  cursor:pointer;
  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);}

/* ============ 文章头部 ============ */
.article-top{padding-bottom:8px;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:28px 0 0;
  font-size:14px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--teal);}
.crumbs .sep{color:#C9C3B4;}
.crumbs .current{
  color:var(--text-2);
  max-width:36ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head{padding:26px 0 22px;max-width:860px;}
.article-head h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.22;
  margin:18px 0 0;
  letter-spacing:0;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  padding:14px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.meta-row .dot{
  display:inline-block;
  width:3px;
  height:3px;
  border-radius:50%;
  background:#C9C3B4;
}

/* ============ 正文布局 ============ */
.article-body{padding:44px 0 0;}
.article-layout{align-items:flex-start;}
.article-main{min-width:0;}
.prose{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.prose > *:first-child{margin-top:0;}
.prose h2{
  font-size:28px;
  line-height:1.35;
  margin:46px 0 18px;
  padding-left:14px;
  border-left:4px solid var(--teal);
}
.prose h3{
  font-size:21px;
  line-height:1.45;
  margin:34px 0 14px;
  color:var(--ink);
}
.prose h4{
  font-size:18px;
  margin:26px 0 12px;
}
.prose p{margin:0 0 20px;}
.prose a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.prose a:hover{color:var(--coral);}
.prose strong{color:var(--ink);font-weight:700;}
.prose img{
  width:100%;
  border-radius:var(--r-card);
  margin:26px 0 10px;
  border:1px solid var(--line);
}
.prose figure{margin:26px 0;}
.prose figcaption{
  font-size:14px;
  color:var(--text-3);
  line-height:1.7;
  margin-top:8px;
}
.prose blockquote{
  margin:28px 0;
  padding:18px 22px;
  background:var(--mist);
  border-left:3px solid var(--teal);
  border-radius:0 10px 10px 0;
  color:var(--ink-soft);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px;}
.prose li{margin-bottom:10px;}
.prose li::marker{color:var(--teal);}
.prose table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  background:#fff;
  border-radius:10px;
  overflow:hidden;
}
.prose th,.prose td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.prose th{background:var(--mist);color:var(--ink);font-weight:600;}
.prose tr:last-child td{border-bottom:0;}
.prose hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:36px 0;
}

/* 空态 */
.empty-state{
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:56px 28px;
  text-align:center;
}
.empty-title{
  font-family:var(--serif);
  font-size:24px;
  color:var(--ink);
  margin-bottom:10px;
}
.empty-desc{
  font-size:15px;
  color:var(--text-2);
  max-width:34ch;
  margin:0 auto 24px;
}

/* 文末轻量 CTA */
.article-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:22px;
  margin:46px 0 0;
  padding:26px 30px;
  background:var(--mist);
  border-radius:var(--r-card);
  border:1px solid rgba(46,140,126,.18);
}
.article-cta strong{
  display:block;
  font-family:var(--serif);
  font-size:19px;
  color:var(--ink);
  margin-bottom:6px;
}
.article-cta p{font-size:14px;color:var(--text-2);margin:0;max-width:44ch;}

/* 侧栏 */
.aside-sticky{position:sticky;top:100px;}
.aside-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
  margin-bottom:18px;
}
.aside-card h3{
  font-size:17px;
  margin-bottom:12px;
}
.aside-links{list-style:none;margin:0;padding:0;}
.aside-links li{border-bottom:1px dashed var(--line);}
.aside-links li:last-child{border-bottom:0;}
.aside-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  font-size:15px;
  color:var(--text-2);
}
.aside-links a:hover{color:var(--teal);}
.aside-links a span:last-child{color:var(--teal);font-size:13px;}
.aside-book{
  background:var(--ink);
  border-color:var(--ink);
  color:#D8E3DE;
}
.aside-book h3{color:#fff;}
.aside-book p{
  font-size:13.5px;
  line-height:1.8;
  color:#A8BDB6;
  margin-bottom:14px;
}
.aside-book dl{margin:0 0 16px;}
.aside-book dt{
  font-size:12px;
  color:#8FA8A0;
  margin-bottom:2px;
}
.aside-book dd{
  margin:0 0 12px;
  font-size:14px;
  color:#E4EDE9;
}

/* ============ 相关推荐 ============ */
.rec-section{padding:80px 0 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:30px;
}
.sec-head h2{font-size:32px;}
.sec-head p{
  margin:10px 0 0;
  font-size:15px;
  color:var(--text-2);
  max-width:52ch;
}
.rec-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
  margin-bottom:24px;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.rec-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--mist);
}
.rec-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 22px 22px;
  flex:1 1 auto;
}
.rec-body h3{font-size:17.5px;line-height:1.5;}
.rec-body p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.rec-link{
  margin-top:auto;
  padding-top:6px;
  font-size:14px;
  font-weight:600;
  color:var(--teal);
}
.rec-card:hover .rec-link{color:var(--coral);}

.back-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  padding:18px 0 0;
}

/* ============ 深色 CTA ============ */
.cta-band{
  margin-top:var(--sec);
  background:var(--ink);
  border-radius:var(--r-card);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;
  bottom:-90px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:1px solid rgba(246,242,233,.12);
  pointer-events:none;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:40px;
  bottom:-40px;
  width:180px;
  height:180px;
  border-radius:50%;
  border:1px solid rgba(246,242,233,.08);
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{
  color:#F6F2E9;
  font-size:32px;
  margin-bottom:12px;
}
.cta-text p{
  margin:0;
  font-size:15.5px;
  line-height:1.85;
  color:#A8BDB6;
}
.cta-band .btn{position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  background:var(--ink);
  color:#D8E3DE;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand strong{
  display:block;
  font-family:var(--serif);
  font-size:22px;
  color:#fff;
  line-height:1.3;
}
.footer-brand em{
  display:block;
  font-style:normal;
  font-size:12px;
  color:#9FB8B0;
  margin-top:6px;
}
.footer-brand p{
  margin:16px 0 0;
  font-size:14px;
  line-height:1.8;
  color:#A8BDB6;
  max-width:34ch;
}
.footer-col h3{
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{
  font-size:14px;
  line-height:1.7;
  color:#A8BDB6;
  margin-bottom:12px;
}
.footer-col li:last-child{margin-bottom:0;}
.footer-col a{color:#A8BDB6;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li strong{color:#DCE8E3;font-weight:600;}
.qr-box{
  border:1px dashed rgba(226,220,205,.34);
  border-radius:10px;
  padding:18px 12px;
  text-align:center;
  font-size:12px;
  line-height:1.7;
  color:#9FB8B0;
  margin-bottom:14px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding:20px 0 28px;
  border-top:1px solid rgba(226,220,205,.16);
  font-size:12px;
  color:#8A9E97;
  line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1120px;}
}
@media (max-width:1120px){
  .nav-toggle{display:inline-flex;}
  .header-actions{display:none;}
  .main-nav{
    position:fixed;
    top:76px;
    left:0;
    right:0;
    bottom:0;
    z-index:90;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:16px 20px 96px;
    background:#fff;
    overflow-y:auto;
    transform:translateX(100%);
    opacity:0;
    pointer-events:none;
    transition:transform .26s ease,opacity .26s ease;
    box-shadow:-12px 0 32px rgba(18,54,46,.08);
  }
  .main-nav.is-open{transform:translateX(0);opacity:1;pointer-events:auto;}
  .nav-link{
    font-size:18px;
    padding:16px 4px;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-drawer-cta{display:flex;margin-top:26px;min-height:48px;}
  .header-inner{gap:16px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .aside-sticky{position:static;}
  .aside-card{margin-top:0;}
  .article-body{padding-top:36px;}
  .cta-band{padding:44px 32px;}
  .sec-head h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .header-inner{min-height:66px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:10px;}
  .main-nav{top:66px;}
  .article-head h1{font-size:clamp(26px,7.2vw,34px);}
  .meta-row{font-size:12px;gap:9px;}
  .crumbs{font-size:13px;padding-top:20px;}
  .crumbs .current{white-space:normal;max-width:100%;}
  .prose{font-size:16px;line-height:1.9;}
  .prose h2{font-size:23px;margin:36px 0 14px;padding-left:11px;border-left-width:3px;}
  .prose h3{font-size:19px;}
  .article-cta{padding:22px 20px;}
  .article-cta .btn{width:100%;}
  .cta-band{padding:34px 22px;border-radius:var(--r-card);}
  .cta-text h2{font-size:24px;}
  .cta-band .btn{width:100%;}
  .sec-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .rec-card{margin-bottom:18px;}
}
@media (max-width:520px){
  .article-head{padding:20px 0 16px;}
  .btn{font-size:14.5px;padding:0 18px;}
  .header-actions .btn{display:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category3 */
:root{
  --ink:#1B2420;
  --ink-soft:#5A655F;
  --ink-mute:#8A938D;
  --green:#12362E;
  --green-deep:#0D2A24;
  --teal:#2E8C7E;
  --mist:#E4EDE9;
  --coral:#D9573A;
  --coral-dark:#C0492F;
  --bg:#F6F2E9;
  --white:#FFFFFF;
  --line:#E2DCCD;
  --line-strong:#CFC7B4;
  --r-card:14px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,54,46,.06),0 8px 24px rgba(18,54,46,.06);
  --sh-2:0 2px 4px rgba(18,54,46,.06),0 16px 36px rgba(18,54,46,.12);
  --sp-1:12px;
  --sp-2:16px;
  --sp-3:24px;
  --section:96px;
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::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:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--coral);}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0 0 var(--sp-2);font-weight:700;line-height:1.25;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;}
h3{font-size:22px;line-height:1.35;font-weight:600;}
p{margin:0 0 var(--sp-2);color:var(--ink-soft);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--section) 0;}
.section--tight{padding:calc(var(--section) * .66) 0;}
.section-head{max-width:680px;margin-bottom:36px;}
.section-head .eyebrow{margin-bottom:12px;}
.section-head p{max-width:40ch;margin-bottom:0;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--teal);
  background:var(--mist);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin:0 0 14px;
  font-family:var(--font-sans);
  font-weight:600;
}
.lead{font-size:17px;line-height:1.85;color:var(--ink-soft);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  font-family:var(--font-sans);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-coral{background:var(--coral);color:#fff;box-shadow:var(--sh-1);}
.btn-coral:hover,.btn-coral:focus{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-coral:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line-strong);}
.btn-ghost:hover,.btn-ghost:focus{color:var(--teal);border-color:var(--teal);background:rgba(46,140,126,.06);}
.btn-dark{background:var(--green);color:#F6F2E9;}
.btn-dark:hover,.btn-dark:focus{background:var(--green-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-block{width:100%;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,242,233,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(18,54,46,.05);}
.header-inner{display:flex;align-items:center;gap:24px;height:74px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--teal);flex:0 0 auto;box-shadow:0 0 0 4px rgba(46,140,126,.14);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--green);}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-mute);letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;justify-content:center;gap:22px;flex:1 1 auto;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-soft);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--teal);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover,.nav-link:focus{color:var(--green);}
.nav-link:hover::after,.nav-link:focus::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 10px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--green);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);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-mute);padding:var(--sp-3) 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:var(--line-strong);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--ink-mute);}
.crumb a:hover{color:var(--teal);}
.crumb .current{color:var(--ink-soft);}

/* ---------- Hero ---------- */
.hero{padding:32px 0 80px;position:relative;overflow:hidden;}
.hero::after{
  content:"";
  position:absolute;
  right:-120px;top:60px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(46,140,126,.16);
  opacity:.5;
  pointer-events:none;
}
.hero-grid{align-items:center;row-gap:36px;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 .accent{color:var(--teal);}
.hero-lead{font-size:17px;line-height:1.85;max-width:34em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:20px;}
.hero-stats li{padding-right:14px;border-right:1px solid var(--line);}
.hero-stats li:last-child{border-right:0;padding-right:0;}
.hero-stats strong{display:block;font-family:var(--font-serif);font-size:21px;color:var(--green);font-variant-numeric:tabular-nums;line-height:1.3;}
.hero-stats span{display:block;font-size:13px;color:var(--ink-mute);margin-top:2px;}
.hero-media{
  position:relative;
  margin:0;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:9/16;
  max-height:560px;
  background:var(--green);
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hero-media:hover img{transform:scale(1.03);}
.hero-media .badge-corner{
  position:absolute;top:16px;left:16px;
  background:rgba(246,242,233,.92);
  color:var(--green);
  font-size:12px;
  letter-spacing:.04em;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.hero-media .play{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:64px;height:64px;
  border-radius:50%;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(18,54,46,.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--green);
  box-shadow:var(--sh-1);
  transition:background-color .2s ease,transform .2s ease;
}
.hero-media .play::before{
  content:"";
  width:0;height:0;
  border-left:16px solid var(--green);
  border-top:10px solid transparent;
  border-bottom:10px solid transparent;
  margin-left:5px;
}
.hero-media .play:hover{background:#fff;transform:translate(-50%,-50%) scale(1.05);}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:56px 20px 20px;
  color:#fff;
  font-size:14px;
  line-height:1.6;
  background:linear-gradient(180deg,rgba(13,42,36,0) 0%,rgba(13,42,36,.82) 100%);
}
.hero-media figcaption strong{display:block;font-family:var(--font-serif);font-size:17px;font-weight:600;margin-bottom:2px;}

/* ---------- 准备事项 ---------- */
.prep-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  height:100%;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.prep-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(46,140,126,.4);}
.prep-card .num{
  font-family:var(--font-serif);
  font-size:26px;
  color:var(--teal);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:10px;
  line-height:1;
}
.prep-card h3{font-size:19px;margin-bottom:8px;}
.prep-card p{margin:0;font-size:15px;color:var(--ink-soft);}

/* ---------- 时间轴 ---------- */
.steps-block{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps-grid{row-gap:36px;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";
  position:absolute;
  left:5px;top:12px;bottom:12px;
  width:1px;
  background:var(--line-strong);
}
.step{position:relative;padding-bottom:34px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:-28px;top:8px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--teal);
}
.step-num{
  font-family:var(--font-serif);
  font-size:28px;
  color:var(--teal);
  font-variant-numeric:tabular-nums;
  line-height:1;
  display:block;
  margin-bottom:8px;
}
.step h3{font-size:21px;margin-bottom:8px;}
.step p{margin:0;font-size:15.5px;max-width:36em;}
.step .step-tip{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  color:var(--teal);
  background:var(--mist);
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.info-card{
  background:var(--mist);
  border-radius:var(--r-card);
  padding:28px 26px;
  border:1px solid rgba(46,140,126,.18);
  position:sticky;
  top:96px;
}
.info-card h3{font-size:19px;margin-bottom:16px;}
.info-card dl{margin:0;}
.info-card dt{font-size:13px;color:var(--teal);font-weight:600;margin-top:14px;letter-spacing:.02em;}
.info-card dt:first-child{margin-top:0;}
.info-card dd{margin:2px 0 0;font-size:15px;color:var(--ink-soft);line-height:1.7;}
.info-card .btn{margin-top:22px;}

/* ---------- 动线 ---------- */
.route-figure{
  margin:0;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--white);
}
.route-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.route-figure:hover img{transform:scale(1.03);}
.route-figure figcaption{font-size:13px;color:var(--ink-mute);padding:12px 16px;border-top:1px solid var(--line);}
.route-list{margin-top:8px;}
.route-item{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.route-item:last-child{border-bottom:0;}
.route-item .idx{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--white);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);
  font-size:14px;
  color:var(--teal);
  font-variant-numeric:tabular-nums;
}
.route-item h4{font-size:17px;margin:0 0 4px;font-family:var(--font-serif);font-weight:600;}
.route-item p{margin:0;font-size:15px;}

/* ---------- 适合人群 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--mist);
  color:var(--green);
  border:1px solid rgba(46,140,126,.2);
}
.tag--coral{background:var(--coral);color:#fff;border-color:var(--coral);}
.fit-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  height:100%;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.fit-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.fit-card h3{font-size:18px;margin-bottom:8px;}
.fit-card p{margin:0;font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(46,140,126,.45);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 52px 18px 22px;
  position:relative;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  font-family:var(--font-serif);
  border-left:3px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--teal);
  line-height:1;
  transition:transform .22s ease;
}
.faq-item[open] summary{border-left-color:var(--coral);color:var(--green);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--ink-soft);line-height:1.85;}
.faq-body p{margin:0;}

/* ---------- 预约 CTA ---------- */
.cta-block{
  background:var(--green);
  color:#F6F2E9;
  border-radius:var(--r-card);
  padding:56px 48px;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid rgba(246,242,233,.18);
}
.cta-block h2{color:#F6F2E9;margin-bottom:12px;}
.cta-block p{color:rgba(246,242,233,.78);max-width:34em;}
.booking-form{position:relative;z-index:1;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:rgba(246,242,233,.8);margin-bottom:6px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;
  min-height:44px;
  padding:10px 14px;
  font-size:15px;
  font-family:var(--font-sans);
  color:var(--ink);
  background:#fff;
  border:1px solid rgba(246,242,233,.4);
  border-radius:var(--r-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(46,140,126,.28);
}
.field input:invalid:not(:placeholder-shown){border-color:var(--coral);}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:8px;}
.form-tip{font-size:13.5px;color:rgba(246,242,233,.72);margin:0;}
.form-tip.is-ok{color:#9FE0CF;}
.cta-side{position:relative;z-index:1;}
.cta-side ul{margin-top:22px;}
.cta-side li{
  font-size:15px;
  color:rgba(246,242,233,.82);
  padding:10px 0 10px 22px;
  border-top:1px solid rgba(246,242,233,.16);
  position:relative;
}
.cta-side li:first-child{border-top:0;}
.cta-side li::before{
  content:"";
  position:absolute;left:0;top:19px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--coral);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(246,242,233,.72);padding:72px 0 28px;margin-top:var(--section);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand strong{display:block;font-family:var(--font-serif);font-size:20px;color:#F6F2E9;margin-bottom:4px;}
.footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:.08em;color:rgba(246,242,233,.55);margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,242,233,.68);margin:0;max-width:30em;}
.footer-col h3{font-family:var(--font-sans);font-size:14px;color:#F6F2E9;margin-bottom:16px;font-weight:600;letter-spacing:.04em;}
.footer-col ul li{font-size:14px;margin-bottom:10px;line-height:1.7;}
.footer-col ul li a{color:rgba(246,242,233,.72);}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li strong{color:rgba(246,242,233,.9);font-weight:600;}
.qr-box{
  width:100%;
  max-width:150px;
  aspect-ratio:1/1;
  border:1px dashed rgba(246,242,233,.4);
  border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;
  color:rgba(246,242,233,.6);
  margin-bottom:16px;
  padding:10px;
}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(246,242,233,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;
  color:rgba(246,242,233,.5);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;}
  .main-nav{gap:16px;}
  .nav-link{font-size:14.5px;}
}
@media (max-width:1023px){
  :root{--section:72px;}
  .container{padding:0 24px;}
  .main-nav{
    position:fixed;
    top:74px;left:0;right:0;bottom:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    background:#fff;
    padding:16px 24px 32px;
    overflow-y:auto;
    border-top:1px solid var(--line);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    z-index:70;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-link{font-size:18px;padding:15px 0;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--teal);}
  .nav-drawer-cta{display:inline-flex;margin-top:24px;justify-content:center;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-inner{gap:16px;}
  .info-card{position:static;margin-top:8px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--section:56px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .hero{padding:16px 0 56px;}
  .hero::after{display:none;}
  .hero-media{aspect-ratio:4/5;max-height:none;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;gap:0;}
  .hero-stats li{border-right:0;border-bottom:1px solid var(--line);padding:12px 0;}
  .hero-stats li:last-child{border-bottom:0;}
  .cta-block{padding:36px 22px;border-radius:var(--r-card);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{margin-top:var(--section);padding-top:52px;}
  .form-foot{flex-direction:column;align-items:stretch;}
  .form-foot .btn{width:100%;}
  .route-item{grid-template-columns:36px 1fr;gap:12px;}
}
@media (max-width:520px){
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:10.5px;}
  .header-inner{height:66px;}
  .main-nav{top:66px;}
  .hero-media figcaption{padding:44px 16px 16px;font-size:13px;}
  .step-num{font-size:24px;}
  .faq-item summary{font-size:16px;padding-right:44px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
    --ink:#12362E;
    --lake:#2E8C7E;
    --lake-soft:rgba(46,140,126,.12);
    --coral:#D9573A;
    --coral-dark:#C0492F;
    --bg:#F6F2E9;
    --white:#FFFFFF;
    --mist:#E4EDE9;
    --text:#1B2420;
    --text-2:#5A655F;
    --text-3:#8A938D;
    --line:#E2DCCD;
    --num:#C9D8D2;
    --radius:14px;
    --radius-btn:8px;
    --shadow:0 1px 2px rgba(18,54,46,.06),0 8px 24px rgba(18,54,46,.06);
    --shadow-hover:0 2px 4px rgba(18,54,46,.06),0 16px 36px rgba(18,54,46,.12);
    --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"SimSun",serif;
    --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --section:96px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--sans);
    font-size:16.5px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--lake);text-decoration:none;transition:color .18s ease;}
  a:hover{color:var(--coral);}
  button{font-family:inherit;}
  h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;line-height:1.25;font-weight:700;}
  p{margin:0 0 12px;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--lake);outline-offset:3px;border-radius:4px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  .section{padding:var(--section) 0;}
  .section-tight{padding:64px 0;}
  .section-head{max-width:740px;margin-bottom:40px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:.12em;color:var(--lake);
    background:var(--lake-soft);border-radius:999px;padding:6px 14px;margin-bottom:18px;
  }
  .section-title{font-size:34px;line-height:1.3;letter-spacing:0;margin-bottom:14px;}
  .section-sub{color:var(--text-2);font-size:16px;max-width:640px;margin:0;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:14.5px;font-weight:600;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(217,87,58,.22);}
  .btn-coral:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(217,87,58,.28);}
  .btn-coral:active{transform:translateY(0);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--lake);background:var(--mist);color:var(--ink);}
  .btn-outline{background:var(--white);color:var(--ink);border-color:var(--ink);}
  .btn-outline:hover{background:var(--ink);color:#fff;}
  .btn-block{width:100%;}

  /* 头部 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,242,233,.94);
    backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(18,54,46,.06);}
  .header-inner{display:flex;align-items:center;gap:20px;min-height:78px;}
  .brand{display:flex;align-items:center;gap:11px;color:var(--ink);flex:0 0 auto;}
  .brand:hover{color:var(--ink);}
  .brand-mark{width:12px;height:12px;background:var(--lake);border-radius:3px;transform:rotate(45deg);flex:0 0 auto;}
  .brand-text strong{display:block;font-family:var(--serif);font-size:19px;font-weight:700;line-height:1.2;letter-spacing:.02em;}
  .brand-text em{display:block;font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.14em;}
  .main-nav{margin-left:auto;display:flex;align-items:center;gap:20px;}
  .nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:8px 0;white-space:nowrap;}
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--lake);
    transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-drawer-cta{display:none;}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:6px;}
  .nav-toggle{
    display:none;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0;margin-left:auto;
    background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  /* 内页首屏 */
  .page-hero{
    position:relative;padding:52px 0 72px;overflow:hidden;
    background:
      radial-gradient(circle at 88% 12%,rgba(46,140,126,.10),transparent 46%),
      radial-gradient(circle at 6% 92%,rgba(217,87,58,.07),transparent 42%),
      var(--bg);
  }
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:28px;}
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--lake);}
  .breadcrumb span{color:var(--text-3);}
  .page-hero h1{font-size:44px;line-height:1.22;margin-bottom:18px;max-width:16em;}
  .page-hero .lead{font-size:17px;color:var(--text-2);max-width:34em;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-stats{display:flex;flex-wrap:wrap;margin:34px 0 0;}
  .hero-stats li{padding:0 26px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:2px;}
  .hero-stats li:first-child{padding-left:0;border-left:0;}
  .hero-stats strong{font-family:var(--serif);font-size:26px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3;}
  .hero-stats span{font-size:12.5px;color:var(--text-3);}
  .hero-figure{
    position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-figure figcaption{
    position:absolute;left:0;right:0;bottom:0;padding:44px 20px 16px;
    background:linear-gradient(180deg,rgba(18,54,46,0),rgba(18,54,46,.78));
    color:#EFF5F1;font-size:13px;letter-spacing:.02em;
  }

  /* 筛选 */
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px;}
  .chip{
    padding:9px 18px;border-radius:999px;border:1px solid var(--line);
    background:var(--white);color:var(--text-2);font-size:14px;cursor:pointer;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
    min-height:44px;display:inline-flex;align-items:center;
  }
  .chip:hover{border-color:var(--lake);color:var(--ink);transform:translateY(-1px);}
  .chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
  .chip-note{font-size:13.5px;color:var(--text-3);margin:0 0 32px;}

  /* 规格卡片 */
  .spec-card{
    display:flex;flex-direction:column;height:100%;
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6CFBC;}
  .spec-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--mist);}
  .spec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .spec-card:hover .spec-cover img{transform:scale(1.03);}
  .spec-badge{
    position:absolute;left:14px;top:14px;
    padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
    background:rgba(228,237,233,.94);color:var(--ink);letter-spacing:.02em;
  }
  .spec-badge.is-hot{background:var(--coral);color:#fff;}
  .spec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:14px;flex:1;}
  .spec-head{display:flex;align-items:baseline;gap:12px;}
  .spec-no{font-family:var(--serif);font-size:26px;line-height:1;color:var(--num);font-variant-numeric:tabular-nums;}
  .spec-head h3{font-size:21px;line-height:1.35;}
  .spec-meta{display:flex;flex-direction:column;gap:8px;}
  .spec-meta li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
  .spec-meta li::before{
    content:"";position:absolute;left:0;top:.72em;width:8px;height:1.5px;background:var(--lake);border-radius:2px;
  }
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
    background:var(--mist);color:var(--ink);font-size:12px;letter-spacing:.02em;
  }
  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--lake);margin-top:auto;padding-top:4px;min-height:44px;}
  .text-link::after{content:"→";transition:transform .18s ease;}
  .text-link:hover{color:var(--coral);}
  .text-link:hover::after{transform:translateX(4px);}
  .is-hidden{display:none !important;}

  /* 规格解读 */
  .read-block{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .read-figure{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:5/4;box-shadow:var(--shadow);}
  .read-figure img{width:100%;height:100%;object-fit:cover;}
  .read-list{display:flex;flex-direction:column;gap:22px;margin-top:26px;}
  .read-item{display:flex;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--line);}
  .read-item:last-child{border-bottom:0;padding-bottom:0;}
  .read-item .idx{font-family:var(--serif);font-size:20px;color:var(--lake);line-height:1.5;min-width:34px;}
  .read-item h3{font-size:18px;margin-bottom:6px;}
  .read-item p{font-size:15px;color:var(--text-2);margin:0;}

  /* FAQ */
  .faq-item{
    position:relative;background:var(--white);border:1px solid var(--line);
    border-radius:8px;margin-bottom:12px;overflow:hidden;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq-item:hover{border-color:#D6CFBC;}
  .faq-item[open]{box-shadow:var(--shadow);}
  .faq-item summary{
    list-style:none;cursor:pointer;position:relative;
    padding:18px 58px 18px 22px;font-size:16px;font-weight:600;color:var(--ink);
    min-height:56px;display:flex;align-items:center;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{position:absolute;right:22px;top:50%;width:14px;height:14px;margin-top:-7px;transition:transform .22s ease;}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--lake);border-radius:2px;}
  .faq-icon::before{left:0;top:6px;width:14px;height:2px;}
  .faq-icon::after{left:6px;top:0;width:2px;height:14px;}
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--coral);}
  .faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--text-2);}
  .faq-body p{margin:0;}

  /* CTA 与表单 */
  .cta-block{background:var(--ink);color:#EDF3EF;padding:72px 0;}
  .cta-block h2{color:#fff;font-size:32px;line-height:1.3;margin-bottom:14px;}
  .cta-block p{color:#B9CCC4;font-size:15.5px;margin-bottom:20px;}
  .cta-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
  .cta-list li{position:relative;padding-left:20px;color:#C6D8D0;font-size:14.5px;}
  .cta-list li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--lake);}
  .booking-form{
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius);padding:26px;
  }
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field.full{grid-column:1/-1;}
  .field label{font-size:13px;color:#A6BAB3;letter-spacing:.02em;}
  .field input,.field textarea,.field select{
    width:100%;height:44px;padding:0 14px;border-radius:8px;
    border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
    color:#fff;font-size:15px;font-family:inherit;
    transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  }
  .field textarea{height:auto;min-height:92px;padding:11px 14px;resize:vertical;line-height:1.7;}
  .field input::placeholder,.field textarea::placeholder{color:#8CA29B;}
  .field input:focus,.field textarea:focus,.field select:focus{
    outline:none;border-color:var(--lake);background:rgba(255,255,255,.1);
    box-shadow:0 0 0 3px rgba(46,140,126,.3);
  }
  .form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px;}
  .form-tip{font-size:12.5px;color:#93A9A2;}
  .form-feedback{grid-column:1/-1;display:none;font-size:13.5px;color:#8FE0C8;}
  .form-feedback.is-show{display:block;}

  /* 页脚 */
  .site-footer{background:var(--ink);color:#D5E3DD;padding:72px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand strong{display:block;font-family:var(--serif);font-size:20px;color:#fff;letter-spacing:.02em;}
  .footer-brand em{display:block;font-style:normal;font-size:12px;letter-spacing:.16em;color:#8FAAA2;margin:6px 0 14px;}
  .footer-brand p{font-size:13.5px;color:#A6BCB4;line-height:1.85;margin:0;max-width:26em;}
  .footer-col h3{font-family:var(--sans);font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{color:#B7CBC4;font-size:13.5px;}
  .footer-col a:hover{color:#fff;}
  .footer-contact li{font-size:13.5px;color:#A6BCB4;line-height:1.75;}
  .footer-contact strong{color:#DDEAE5;font-weight:600;}
  .qr-box{
    border:1px dashed rgba(255,255,255,.34);border-radius:8px;
    padding:20px 14px;text-align:center;font-size:12.5px;color:#93AAA3;
    margin-bottom:14px;line-height:1.7;
  }
  .footer-bottom{
    margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
    padding:20px 0 28px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:12px;color:#8CA39C;
  }

  /* 移动端固定行动条 */
  .mobile-bar{
    display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
    align-items:center;justify-content:space-between;gap:12px;
    padding:10px 20px calc(10px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(18,54,46,.1);
  }
  .mobile-bar .bar-info{display:flex;flex-direction:column;line-height:1.35;}
  .mobile-bar .bar-info strong{font-size:14px;color:var(--ink);}
  .mobile-bar .bar-info span{font-size:12px;color:var(--text-3);}

  /* 响应式 */
  @media (max-width:1279px){
    .container{max-width:1120px;}
    .page-hero h1{font-size:40px;}
    .main-nav{gap:16px;}
    .nav-link{font-size:14px;}
  }
  @media (max-width:1180px){
    .header-actions .btn-ghost{display:none;}
  }
  @media (max-width:1023px){
    :root{--section:72px;}
    .container{padding:0 24px;}
    .nav-toggle{display:flex;}
    .main-nav{
      position:fixed;left:0;right:0;top:78px;
      flex-direction:column;align-items:stretch;gap:0;
      margin:0;padding:10px 24px 26px;background:#fff;
      border-bottom:1px solid var(--line);box-shadow:0 16px 36px rgba(18,54,46,.14);
      max-height:calc(100vh - 78px);overflow-y:auto;
      opacity:0;visibility:hidden;transform:translateY(-10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
    .nav-link{font-size:18px;padding:15px 0;border-bottom:1px solid var(--line);}
    .nav-link::after{display:none;}
    .nav-link.is-active{color:var(--lake);}
    .nav-drawer-cta{display:inline-flex;margin-top:20px;width:100%;height:48px;font-size:16px;}
    .header-actions{display:none;}
    .page-hero{padding:36px 0 56px;}
    .page-hero h1{font-size:34px;max-width:none;}
    .hero-figure{margin-top:30px;aspect-ratio:16/10;}
    .section-title{font-size:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .footer-brand{grid-column:1/-1;}
  }
  @media (max-width:767px){
    :root{--section:56px;}
    body{padding-bottom:84px;font-size:16px;}
    .container{padding:0 20px;}
    .page-hero h1{font-size:30px;line-height:1.28;}
    .page-hero .lead{font-size:16px;}
    .hero-stats li{padding:0 18px;}
    .hero-stats strong{font-size:22px;}
    .section-title{font-size:25px;}
    .spec-head h3{font-size:19px;}
    .spec-body{padding:18px 18px 20px;}
    .form-grid{grid-template-columns:1fr;}
    .cta-block{padding:56px 0;}
    .cta-block h2{font-size:26px;}
    .booking-form{padding:20px 18px;}
    .form-actions .btn{width:100%;}
    .mobile-bar{display:flex;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }
  @media (max-width:520px){
    .header-inner{min-height:70px;}
    .main-nav{top:70px;max-height:calc(100vh - 70px);}
    .brand-text strong{font-size:17px;}
    .brand-text em{font-size:10.5px;letter-spacing:.1em;}
    .hero-actions .btn{width:100%;}
    .hero-stats{margin-top:26px;}
    .hero-stats li{padding:0 14px;}
    .hero-stats li:nth-child(1){padding-left:0;}
    .chip{padding:8px 14px;font-size:13px;}
    .read-item{gap:12px;}
    .faq-item summary{padding:16px 50px 16px 18px;font-size:15px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category4 */
:root{
  --ink:#12362E;
  --ink-soft:#1B4A3F;
  --teal:#2E8C7E;
  --teal-soft:#4FA79A;
  --coral:#D9573A;
  --coral-dark:#C0492F;
  --cream:#F6F2E9;
  --white:#FFFFFF;
  --mist:#E4EDE9;
  --text:#1B2420;
  --text-2:#5A655F;
  --text-3:#8A938D;
  --line:#E2DCCD;
  --line-soft:#EDE7DA;
  --r-card:14px;
  --r-btn:8px;
  --sh-1:0 1px 2px rgba(18,54,46,.06),0 8px 24px rgba(18,54,46,.06);
  --sh-2:0 2px 4px rgba(18,54,46,.08),0 16px 36px rgba(18,54,46,.12);
  --ease:180ms ease;
  --sec:96px;
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal);text-decoration:none;transition:color var(--ease);}
a:hover,a:focus{color:var(--coral);}
button{font-family:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  color:var(--ink);
  margin:0 0 16px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
}
h1{font-size:clamp(30px,3.6vw,50px);line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:22px;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
[hidden]{display:none !important;}
:focus-visible{outline:3px solid rgba(46,140,126,.45);outline-offset:2px;border-radius:4px;}

/* ---------- 布局 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec) 0;}
.section-mist{background:var(--mist);}
.section-head{margin-bottom:40px;max-width:760px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--teal);
  font-weight:600;
  margin-bottom:12px;
  text-transform:none;
}
.eyebrow-light{color:#9FD3C7;}
.section-lead{color:var(--text-2);font-size:16px;max-width:40em;margin:0;}
.divider-wave{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,transparent,var(--line) 18%,var(--line) 82%,transparent);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-coral{background:var(--coral);color:#fff;border-color:var(--coral);}
.btn-coral:hover,.btn-coral:focus{background:var(--coral-dark);border-color:var(--coral-dark);color:#fff;transform:translateY(-1px);}
.btn-coral:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(18,54,46,.28);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--mist);border-color:var(--teal);color:var(--ink);}
.btn-teal{background:var(--teal);color:#fff;border-color:var(--teal);}
.btn-teal:hover,.btn-teal:focus{background:#26766A;border-color:#26766A;color:#fff;}
.btn-light{background:	var(--white);color:var(--ink);border-color:var(--line);}
.btn-light:hover,.btn-light:focus{background:var(--mist);color:var(--ink);}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(246,242,233,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:78px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover,.brand:focus{color:var(--ink);}
.brand-mark{
  width:12px;height:12px;border-radius:3px;
  background:var(--teal);
  box-shadow:0 0 0 4px rgba(46,140,126,.14);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--teal);letter-spacing:.06em;margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:22px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--teal);
  transition:width var(--ease);
}
.nav-link:hover::after,.nav-link:focus::after,.nav-link.is-active::after{width:100%;}
.nav-link:hover,.nav-link:focus{color:var(--teal);}
.nav-link.is-active{color:var(--teal);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-drawer-cta{display:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--white);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  padding:28px 0 0;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb span{color:var(--text-3);}

/* ---------- Hero ---------- */
.page-hero{padding:0 0 var(--sec);position:relative;overflow:hidden;}
.page-hero::before{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(46,140,126,.12),rgba(46,140,126,0) 68%);
  pointer-events:none;
}
.hero-grid{margin-top:36px;}
.hero-copy{padding-right:8px;}
.hero-copy h1{margin:14px 0 20px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-facts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  border-top:1px solid var(--line);
  padding-top:20px;
  max-width:520px;
}
.hero-facts li{display:flex;flex-direction:column;gap:2px;}
.hero-facts strong{font-family:var(--font-serif);font-size:26px;color:var(--ink);line-height:1.1;}
.hero-facts span{font-size:13px;color:var(--text-3);}
.hero-media figure{
  margin:0;
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--mist);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  transition:transform 400ms ease;
}
.hero-media figure:hover img{transform:scale(1.03);}
.hero-media figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:36px 18px 14px;
  font-size:13px;
  color:#fff;
  background:linear-gradient(180deg,rgba(18,54,46,0),rgba(18,54,46,.72));
  letter-spacing:.04em;
}

/* ---------- 统计条 ---------- */
.stats-band{background:var(--white);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:44px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.stat{padding-left:24px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;
  font-family:var(--font-serif);
  font-size:clamp(30px,3.4vw,42px);
  font-weight:700;
  color:var(--ink);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-num em{font-style:normal;font-size:16px;color:var(--teal);margin-left:4px;font-family:var(--font-sans);}
.stat p{margin:8px 0 0;font-size:14px;color:var(--text-2);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--mist);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.03em;
  white-space:nowrap;
}
.badge-teal{background:rgba(46,140,126,.14);color:#1E6B60;}
.badge-coral{background:var(--coral);color:#fff;}

/* ---------- 筛选 chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  min-height:44px;
  padding:0 18px;
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--text-2);
  font-size:14px;
  cursor:pointer;
  transition:all var(--ease);
}
.chip:hover{border-color:var(--teal);color:var(--ink);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 评价卡 ---------- */
.review-grid{row-gap:0;}
.review-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 22px;
  margin-bottom:24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  height:calc(100% - 24px);
  display:flex;
  flex-direction:column;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3CBB8;}
.review-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.stars{color:var(--coral);font-size:15px;letter-spacing:.14em;line-height:1;}
.review-card blockquote{
  margin:0 0 20px;
  padding:0;
  border:0;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  flex:1;
}
.review-card blockquote::before{
  content:"“";
  font-family:var(--font-serif);
  font-size:26px;
  color:var(--teal);
  line-height:0;
  margin-right:2px;
}
.review-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line-soft);
  padding-top:14px;
}
.review-meta .who{color:var(--ink);font-weight:600;}
.review-meta span+span::before{content:"·";margin-right:8px;color:var(--line);}
.review-empty{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--mist);
  padding:36px;
  text-align:center;
  color:var(--text-2);
  font-size:15px;
}

/* ---------- 记录方法 ---------- */
.media-frame{
  margin:0;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(18,54,46,.10);
  box-shadow:var(--sh-1);
  background:var(--white);
}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 400ms ease;}
.media-frame:hover img{transform:scale(1.03);}
.method-copy h2{margin-bottom:12px;}
.method-lead{color:var(--text-2);font-size:16px;max-width:34em;margin-bottom:26px;}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-list li{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:16px;
  padding-top:20px;
  border-top:1px solid rgba(18,54,46,.12);
}
.step-list li:first-child{padding-top:0;border-top:0;}
.step-num{
  font-family:var(--font-serif);
  font-size:28px;
  font-weight:700;
  color:var(--teal);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.step-list h3{font-size:18px;margin:0 0 6px;}
.step-list p{margin:0;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:#D3CBB8;box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--teal);}
.faq-icon{
  flex:none;
  width:22px;height:22px;
  position:relative;
  transition:transform 220ms ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--teal);
  border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{
  padding:0 22px 20px;
  border-left:3px solid var(--coral);
  margin-left:22px;
  padding-left:19px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.faq-body p{margin:0 0 10px;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- 预约 CTA ---------- */
.booking-section{background:var(--ink);color:var(--cream);padding:var(--sec) 0;}
.booking-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.booking-copy h2{color:#fff;margin-bottom:16px;}
.booking-copy p{color:rgba(246,242,233,.78);font-size:16px;max-width:32em;}
.booking-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.booking-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:rgba(246,242,233,.86);
}
.booking-points li::before{
  content:"";
  flex:none;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--coral);
}
.booking-form{
  background:var(--white);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh-2);
}
.booking-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.booking-form .field{display:flex;flex-direction:column;}
.booking-form .field-full{grid-column:1 / -1;}
.booking-form label{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:6px;
  letter-spacing:.02em;
}
.booking-form input,
.booking-form select,
.booking-form textarea{
  width:100%;
  height:44px;
  margin:0 0 16px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--white);
  color:var(--text);
  font-size:15px;
  font-family:inherit;
  box-shadow:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.booking-form textarea{
  height:96px;
  padding:12px 14px;
  resize:vertical;
  line-height:1.7;
}
.booking-form input:focus,
.booking-form select:focus,
.booking-form textarea:focus{
  outline:none;
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(46,140,126,.16);
}
.form-submit-row{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-top:4px;}
.form-msg{
  display:none;
  font-size:13px;
  color:var(--teal);
  margin:12px 0 0;
}
.form-msg.is-on{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2B24;color:rgba(246,242,233,.78);padding:72px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .9fr 1.1fr .9fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,242,233,.14);
}
.footer-brand strong{
  display:block;
  font-family:var(--font-serif);
  font-size:20px;
  color:#fff;
  margin-bottom:4px;
}
.footer-brand em{
  display:block;
  font-style:normal;
  font-size:12px;
  color:#8FC7BA;
  letter-spacing:.08em;
  margin-bottom:14px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,242,233,.66);margin:0;max-width:30em;}
.footer-col h3{
  font-family:var(--font-sans);
  font-size:14px;
  color:#fff;
  letter-spacing:.04em;
  margin:0 0 16px;
  font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(246,242,233,.72);}
.footer-col a:hover,.footer-col a:focus{color:#fff;}
.footer-contact li{font-size:13.5px;line-height:1.75;color:rgba(246,242,233,.66);}
.footer-contact strong{color:rgba(246,242,233,.92);font-weight:600;}
.qr-box{
  border:1px dashed rgba(246,242,233,.32);
  border-radius:var(--r-btn);
  min-height:112px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  color:rgba(246,242,233,.6);
  margin-bottom:14px;
  padding:12px;
  line-height:1.6;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:24px;
  font-size:12px;
  color:rgba(246,242,233,.5);
}

/* ---------- 移动底部行动条 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  background:var(--white);
  border-top:1px solid var(--line);
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  align-items:center;
  justify-content:space-between;
  gap:14px;
  box-shadow:0 -8px 24px rgba(18,54,46,.08);
}
.mobile-bar-info{display:flex;flex-direction:column;line-height:1.35;}
.mobile-bar-info strong{font-size:14px;color:var(--ink);}
.mobile-bar-info span{font-size:12px;color:var(--text-3);}
.mobile-bar .btn{flex:none;padding:0 20px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .container{max-width:1120px;}
  .main-nav{gap:18px;}
  .nav-link{font-size:14.5px;}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;}
  .container{padding:0 24px;}
  .header-inner{min-height:70px;}
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--white);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-1);
    padding:8px 24px 22px;
    max-height:calc(100vh - 70px);
    overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{
    font-size:18px;
    padding:14px 0;
    border-bottom:1px solid var(--line-soft);
  }
  .nav-link::after{display:none;}
  .nav-drawer-cta{display:inline-flex;margin-top:18px;width:100%;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-copy{padding-right:0;}
  .hero-media{margin-top:32px;}
  .hero-media img{aspect-ratio:4/5;}
  .booking-panel{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .review-card{height:auto;}
}
@media screen and (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16px;padding-bottom:78px;}
  .container{padding:0 20px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{grid-template-columns:1fr;gap:14px;}
  .hero-facts li{flex-direction:row;align-items:baseline;gap:10px;}
  .hero-facts strong{font-size:22px;}
  .stats-grid{grid-template-columns:1fr;gap:20px;}
  .stat{border-left:0;padding-left:0;padding-top:18px;border-top:1px solid var(--line);}
  .stat:first-child{border-top:0;padding-top:0;}
  .breadcrumb{padding-top:20px;}
  .review-card{padding:22px 20px;}
  .booking-form{padding:22px;}
  .booking-form .form-row{grid-template-columns:1fr;}
  .form-submit-row{justify-content:stretch;}
  .form-submit-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;font-size:12px;}
  .mobile-bar{display:flex;}
  .chip{padding:0 14px;font-size:13px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{margin-left:18px;padding-left:15px;padding-right:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category5 */
:root{
  --ink:#12362E;
  --lake:#2E8C7E;
  --coral:#D9573A;
  --coral-dark:#C0492F;
  --bg:#F6F2E9;
  --white:#FFFFFF;
  --mist:#E4EDE9;
  --text:#1B2420;
  --text-2:#5A655F;
  --text-3:#8A938D;
  --line:#E2DCCD;
  --radius-card:14px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(18,54,46,.06),0 8px 24px rgba(18,54,46,.06);
  --shadow-2:0 2px 4px rgba(18,54,46,.06),0 16px 36px rgba(18,54,46,.12);
  --section-y:96px;
  --serif:"Noto Serif SC",Georgia,"Songti SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--lake);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--coral)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid rgba(46,140,126,.55);outline-offset:2px}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-coral{background:var(--coral);color:#fff;border-color:var(--coral)}
.btn-coral:hover,.btn-coral:focus{background:var(--coral-dark);border-color:var(--coral-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(217,87,58,.26)}
.btn-coral:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover,.btn-ghost:focus{color:var(--lake);border-color:var(--lake);background:rgba(46,140,126,.06)}
.btn-light{background:rgba(246,242,233,.12);color:#F6F2E9;border-color:rgba(246,242,233,.34)}
.btn-light:hover{background:rgba(246,242,233,.2);color:#fff;border-color:rgba(246,242,233,.6)}
.btn-block{width:100%}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(246,242,233,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  background:#fff;
  box-shadow:0 6px 20px rgba(18,54,46,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:12px;height:12px;border-radius:3px;
  background:var(--lake);
  box-shadow:0 0 0 4px rgba(46,140,126,.14);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:0}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-top:3px}

.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:6px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  line-height:1.4;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:2px;
  background:var(--lake);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover,.nav-link:focus{color:var(--ink)}
.nav-link:hover::after,.nav-link:focus::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}

.nav-drawer-cta{display:none}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-actions .btn{height:44px}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  cursor:pointer;
  padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-scrim{
  position:fixed;inset:0;
  background:rgba(18,54,46,.38);
  opacity:0;pointer-events:none;
  transition:opacity .26s ease;
  z-index:55;
}
body.nav-open .nav-scrim{opacity:1;pointer-events:auto}

/* ============ 首屏 ============ */
.hero-banner{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#F6F2E9;
  padding:36px 0 64px;
}
.hero-banner::before{
  content:"";
  position:absolute;
  inset:-20% -10% auto -10%;
  height:120%;
  background:
    repeating-linear-gradient(115deg,rgba(246,242,233,.05) 0 1px,transparent 1px 22px);
  opacity:.55;
  pointer-events:none;
}
.hero-banner::after{
  content:"";
  position:absolute;
  left:-8%;right:-8%;bottom:-180px;
  height:380px;
  background:radial-gradient(closest-side,rgba(46,140,126,.34),transparent 72%);
  pointer-events:none;
}
.hero-banner .container{position:relative;z-index:2}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(246,242,233,.6);
  margin-bottom:34px;
}
.breadcrumb a{color:rgba(246,242,233,.78)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.45}

.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
  color:#9FD2C7;
  margin-bottom:18px;
  padding:6px 14px;
  border:1px solid rgba(159,210,199,.32);
  border-radius:999px;
}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(30px,4vw,50px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:0;
  max-width:820px;
  color:#FBF8F1;
}
.hero-sub{
  margin-top:20px;
  max-width:640px;
  font-size:17px;
  line-height:1.85;
  color:rgba(246,242,233,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:52px;
  border-top:1px solid rgba(246,242,233,.16);
  padding-top:28px;
}
.hero-stats .stat{padding:0 24px}
.hero-stats .stat:first-child{padding-left:0}
.hero-stats .stat + .stat{border-left:1px solid rgba(246,242,233,.16)}
.hero-stats strong{
  display:block;
  font-family:var(--serif);
  font-size:26px;
  line-height:1.3;
  color:#FBF8F1;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{display:block;font-size:13px;color:rgba(246,242,233,.62);margin-top:4px}

/* ============ 板块通用 ============ */
.section{padding:var(--section-y) 0}
.section--tight{padding-top:calc(var(--section-y) - 28px)}
.section-head{max-width:720px;margin-bottom:46px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--lake);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lake);display:inline-block}
.section-title{
  font-family:var(--serif);
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.32;
  font-weight:700;
  color:var(--ink);
}
.section-lead{margin-top:16px;font-size:16px;color:var(--text-2);max-width:600px}

/* ============ 服务保障卡片 ============ */
.guarantee-grid{margin-top:-14px}
.guarantee-card{
  height:100%;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.guarantee-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(46,140,126,.42);
}
.guarantee-icon{
  width:48px;height:48px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--mist);
  color:var(--lake);
  font-size:19px;
  margin-bottom:18px;
}
.guarantee-card h3{
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
}
.guarantee-card p{font-size:15px;line-height:1.8;color:var(--text-2)}
.card-tag{
  display:inline-block;
  margin-top:16px;
  font-size:12px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--mist);
  color:var(--ink);
}

/* ============ 图文确认流程 ============ */
.confirm-block{display:flex;flex-wrap:wrap;align-items:center;gap:0}
.confirm-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:var(--mist);
}
.confirm-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.confirm-media:hover img{transform:scale(1.03)}
.confirm-copy{padding-left:8px}
.step-list{margin-top:26px}
.step-item{
  display:grid;
  grid-template-columns:58px 1fr;
  gap:18px;
  padding:22px 0;
  border-top:1px solid var(--line);
}
.step-item:last-child{border-bottom:1px solid var(--line)}
.step-num{
  font-family:var(--serif);
  font-size:26px;
  line-height:1.2;
  color:var(--lake);
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}
.step-item p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-section{background:var(--mist)}
.faq-col{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:0 20px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{
  box-shadow:inset 3px 0 0 var(--coral),var(--shadow-1);
  border-color:rgba(226,220,205,.9);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:18px 0;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  line-height:1;
  color:var(--lake);
  transition:transform .22s ease,color .22s ease;
  margin-top:3px;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--coral)}
.faq-answer{
  padding:0 0 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ 预约 CTA ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#F6F2E9;
  border-radius:var(--radius-card);
  padding:56px;
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(closest-side,rgba(46,140,126,.3),transparent 70%);
  pointer-events:none;
}
.cta-panel > .grid-x{position:relative;z-index:2}
.cta-eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
  color:#9FD2C7;
  margin-bottom:14px;
}
.cta-panel h2{
  font-family:var(--serif);
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.32;
  color:#FBF8F1;
  font-weight:700;
}
.cta-text{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(246,242,233,.74);max-width:420px}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(246,242,233,.82);
  line-height:1.7;
}
.cta-list i{color:#9FD2C7;font-size:13px;margin-top:5px}

.booking-card{
  background:var(--white);
  color:var(--text);
  border-radius:var(--radius-card);
  padding:30px;
  box-shadow:0 18px 44px rgba(18,54,46,.2);
}
.booking-card h3{
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.booking-card .form-hint{font-size:13px;color:var(--text-3);margin-bottom:20px}
.booking-form .field{margin-bottom:14px}
.booking-form label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:6px;
}
.booking-form input,
.booking-form select,
.booking-form textarea{
  width:100%;
  height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  box-shadow:none;
  transition:border-color .18s ease,box-shadow .18s ease;
  appearance:none;
  margin:0;
}
.booking-form textarea{
  height:auto;
  min-height:88px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.booking-form input:focus,
.booking-form select:focus,
.booking-form textarea:focus{
  border-color:var(--lake);
  box-shadow:0 0 0 3px rgba(46,140,126,.16);
  outline:none;
}
.booking-form input::placeholder,
.booking-form textarea::placeholder{color:#A9B1AC}
.form-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:6px}
.form-note{
  display:none;
  margin-top:14px;
  padding:12px 14px;
  border-radius:var(--radius-btn);
  background:var(--mist);
  color:var(--ink);
  font-size:14px;
  line-height:1.7;
}
.form-note.is-visible{display:block}
.form-note.is-error{background:#FBEDE9;color:var(--coral-dark)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(246,242,233,.7);
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;
}
.footer-brand strong{
  display:block;
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  color:#FBF8F1;
  letter-spacing:0;
}
.footer-brand em{
  display:block;
  font-style:normal;
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(246,242,233,.5);
  margin-top:4px;
  margin-bottom:16px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,242,233,.6);max-width:320px}
.footer-col h3{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:#FBF8F1;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;line-height:1.7;color:rgba(246,242,233,.6)}
.footer-col a{color:rgba(246,242,233,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li strong{color:rgba(246,242,233,.86);font-weight:600;display:inline-block;margin-bottom:2px;font-size:13px}
.qr-box{
  width:100%;
  max-width:150px;
  aspect-ratio:1/1;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(246,242,233,.5);
  border:1px dashed rgba(246,242,233,.28);
  border-radius:10px;
  padding:10px;
  margin-bottom:16px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(246,242,233,.14);
  font-size:12px;
  color:rgba(246,242,233,.45);
  line-height:1.7;
}

/* ============ 移动底部条 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  height:64px;
  padding:0 20px calc(0px + env(safe-area-inset-bottom));
  background:#fff;
  border-top:1px solid var(--line);
  align-items:center;
  justify-content:space-between;
  gap:12px;
  box-shadow:0 -8px 24px rgba(18,54,46,.08);
}
.mobile-bar .bar-text{font-size:12px;line-height:1.5;color:var(--text-2)}
.mobile-bar .bar-text strong{display:block;font-size:13px;color:var(--ink)}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px}

/* ============ 入场动效 ============ */
.reveal{opacity:1}
body.js-ready .reveal{opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease}
body.js-ready .reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (min-width:1024px) and (max-width:1279px){
  .container{max-width:1120px}
  .main-nav{gap:16px}
  .nav-link{font-size:14px}
}

@media (max-width:1023px){
  .container{padding:0 24px}
  :root{--section-y:72px}
  .main-nav{
    position:fixed;
    top:0;right:0;
    width:min(360px,86vw);
    height:100vh;
    margin:0;
    padding:96px 26px 32px;
    background:#fff;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    transform:translateX(100%);
    transition:transform .28s ease;
    box-shadow:-18px 0 44px rgba(18,54,46,.16);
    overflow-y:auto;
    z-index:60;
  }
  body.nav-open .main-nav{transform:translateX(0)}
  .nav-link{
    font-size:18px;
    padding:15px 2px;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--lake)}
  .nav-drawer-cta{display:inline-flex;margin-top:22px;width:100%}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:24px}
  .hero-stats .stat{padding:0 20px}
  .hero-stats .stat:nth-child(odd){padding-left:0}
  .hero-stats .stat:nth-child(3){border-left:none;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-panel{padding:40px 32px}
  .confirm-copy{padding-left:0;margin-top:32px}
}

@media (max-width:767px){
  .container{padding:0 20px}
  :root{--section-y:56px}
  body{font-size:16px}
  .header-inner{min-height:68px;gap:14px}
  .brand-text strong{font-size:17px}
  .brand-text em{font-size:11px}
  .hero-banner{padding:26px 0 48px}
  .hero-title{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{margin-top:36px;padding-top:22px}
  .hero-stats strong{font-size:22px}
  .section-head{margin-bottom:32px}
  .guarantee-card{padding:22px 20px}
  .step-item{grid-template-columns:44px 1fr;gap:14px}
  .step-num{font-size:22px}
  .cta-panel{padding:30px 22px;border-radius:12px}
  .booking-card{padding:22px 18px}
  .form-actions{flex-direction:column;align-items:stretch}
  .form-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;margin-top:36px}
  .mobile-bar{display:flex}
  main{padding-bottom:76px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  body.js-ready .reveal{opacity:1;transform:none}
}