/* roulang page: index */
:root{
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --green:#6E9388;
  --sand:#C6925B;
  --sand-text:#9A6A35;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --ink:#1B2A33;
  --muted:#5F7078;
  --error:#B4544A;
  --success:#4F7A64;
  --warn-bg:#FFF8EE;
  --warn-line:#EAD7BC;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(27,42,51,.06);
  --sh-hover:0 16px 36px rgba(27,42,51,.09);
  --t:180ms ease;
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--blue);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--blue-deep);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:600;letter-spacing:0;}
h1{font-size:46px;line-height:1.18;}
h2{font-size:28px;line-height:1.3;}
h3{font-size:19px;line-height:1.45;}
ul,ol{margin:0 0 1em;padding-left:1.15em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;border-radius:6px;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.grid-padding-x{margin-left:-14px;margin-right:-14px;}
.grid-padding-x > .cell{padding-left:14px;padding-right:14px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,245,.96);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--panel);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:19px;height:19px;stroke:var(--blue);fill:none;stroke-width:1.7;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:600;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.6px;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:14.5px;color:var(--muted);padding:6px 0;
  transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);border-radius:2px;
}
.nav-link:hover{color:var(--blue-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:500;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:18px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;
  color:var(--blue);font-weight:500;
}
.nav-cta svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform var(--t);}
.nav-cta:hover svg{transform:translateX(3px);}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:var(--card);border-radius:10px;align-items:center;justify-content:center;
  cursor:pointer;padding:0;
}
.menu-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);margin:3px 0;transition:var(--t);}
.mobile-panel{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:none;flex-direction:column;padding:20px 24px 32px;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.panel-close{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);cursor:pointer;font-size:20px;line-height:1;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.mobile-nav{display:flex;flex-direction:column;gap:2px;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;color:var(--ink);padding:14px 2px;border-bottom:1px solid var(--line);
}
.mobile-nav a::after{content:"›";color:var(--muted);font-size:18px;}
.mobile-nav a.is-active{color:var(--blue);}
.mobile-panel .btn{margin-top:26px;width:100%;justify-content:center;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:11px;font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(63,111,142,.18);}
.btn-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(44,83,107,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--blue);border-color:var(--blue);}
.btn-ghost:hover{background:#E7EEF2;color:var(--blue-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sand{background:var(--sand);color:#fff;box-shadow:0 6px 18px rgba(198,146,91,.22);}
.btn-sand:hover{background:#B6814B;color:#fff;transform:translateY(-1px);}
.text-link{
  display:inline-flex;align-items:center;gap:5px;font-size:14px;color:var(--blue);
  border-bottom:1px solid rgba(63,111,142,.35);padding-bottom:2px;
}
.text-link:hover{color:var(--blue-deep);border-bottom-color:var(--blue-deep);}
.text-link svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.9;}

/* hero */
.hero{padding:70px 0 54px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(63,111,142,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(63,111,142,.055) 1px,transparent 1px);
  background-size:76px 76px;
  pointer-events:none;
  -webkit-mask-image:radial-gradient(circle at 20% 10%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 20% 10%,#000 0%,transparent 72%);
}
.hero .wrap{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  color:var(--sand-text);background:var(--warn-bg);
  border:1px solid var(--warn-line);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:22px;letter-spacing:.4px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--sand);display:inline-block;}
.hero h1{margin-bottom:18px;max-width:640px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--muted);max-width:540px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-tag{
  font-size:13px;color:var(--muted);background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;display:inline-flex;align-items:center;gap:6px;
}
.trust-tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green);}
.hero-media{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--sh);
}
.hero-figure img{width:100%;height:420px;object-fit:cover;}
.img-fail{opacity:.35;}
.hero-card{
  position:relative;margin:-56px 0 0 18px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);padding:18px 20px;max-width:320px;
}
.hero-card h3{font-size:14px;color:var(--muted);font-weight:500;margin-bottom:12px;letter-spacing:.4px;}
.mini-step{display:flex;gap:10px;align-items:flex-start;padding:7px 0;}
.mini-step + .mini-step{border-top:1px solid var(--line);}
.mini-step b{
  font-size:12px;color:var(--sand-text);font-weight:600;
  font-variant-numeric:tabular-nums;min-width:22px;line-height:1.9;
}
.mini-step span{font-size:13.5px;color:var(--ink);line-height:1.7;}

/* trust bar */
.trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card);}
.trust-bar .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;padding-top:20px;padding-bottom:20px;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);}
.trust-item svg{width:16px;height:16px;stroke:var(--green);fill:none;stroke-width:1.8;}

/* sections */
.section{padding:92px 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:640px;margin-bottom:44px;}
.kicker{
  display:block;font-size:12.5px;letter-spacing:2px;color:var(--sand-text);
  margin-bottom:12px;text-transform:none;
}
.section-head h2{position:relative;padding-left:16px;margin-bottom:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--blue);border-radius:2px;
}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}

/* feature rows */
.feature-aside h2{margin-bottom:14px;}
.feature-aside p{color:var(--muted);font-size:15px;margin-bottom:20px;}
.feature-list{border-top:1px solid var(--line);}
.feature-item{
  display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.feature-item:hover{background:rgba(234,240,238,.45);}
.feature-num{
  font-size:14px;font-weight:600;color:var(--sand-text);
  font-variant-numeric:tabular-nums;letter-spacing:1px;flex:0 0 46px;padding-top:3px;
}
.feature-body h3{margin-bottom:8px;}
.feature-body p{color:var(--muted);font-size:15px;margin-bottom:10px;line-height:1.8;}

/* scene */
.scene-media{position:relative;}
.scene-img{
  width:100%;height:440px;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--sh);background:var(--panel);
}
.scene-thumb{
  position:absolute;right:-14px;bottom:-24px;width:180px;height:130px;object-fit:cover;
  border-radius:var(--r-sm);border:5px solid var(--bg);box-shadow:var(--sh);background:var(--panel);
}
.scene-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.scene-item{padding:22px 0;border-bottom:1px solid var(--line);}
.scene-item h3{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.scene-item h3 em{
  font-style:normal;font-size:11.5px;color:var(--green);
  background:#EDF3F1;border-radius:var(--r-pill);padding:2px 10px;font-weight:500;
}
.scene-item p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.8;}

/* proof */
.quote-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 34px 30px;box-shadow:var(--sh);position:relative;
}
.quote-card::before{
  content:"“";position:absolute;top:6px;left:26px;font-size:64px;
  color:var(--sand);opacity:.4;line-height:1;font-family:Georgia,serif;
}
.quote-card blockquote{
  margin:16px 0 22px;font-size:19px;line-height:1.85;color:var(--ink);
  padding-left:0;border:0;
}
.quote-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.quote-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.stat-list{display:flex;flex-direction:column;gap:16px;}
.stat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;
}
.stat-card .num{
  font-size:32px;font-weight:600;color:var(--blue-deep);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-card .num small{font-size:14px;font-weight:400;color:var(--muted);margin-left:4px;}
.stat-card p{margin:6px 0 0;font-size:14px;color:var(--muted);line-height:1.75;}

/* news */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.news-head h2{position:relative;padding-left:16px;margin:0;}
.news-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--blue);border-radius:2px;}
.news-head p{margin:8px 0 0;padding-left:16px;color:var(--muted);font-size:15px;}
.news-grid{margin-bottom:-28px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh);margin-bottom:28px;
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.news-card:hover{box-shadow:var(--sh-hover);border-color:#C9D6D3;transform:translateY(-2px);}
.chip{
  align-self:flex-start;font-size:12px;color:var(--blue-deep);
  background:#E9F0F4;border:1px solid #D6E3EA;border-radius:var(--r-pill);
  padding:3px 12px;margin-bottom:14px;letter-spacing:.3px;
}
.news-card h3{font-size:18px;margin-bottom:10px;line-height:1.55;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--blue-deep);}
.news-card p{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:18px;flex:1 1 auto;}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:14px;
  font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-md);background:var(--card);
  padding:52px 24px;text-align:center;
}
.empty-state svg{width:34px;height:34px;stroke:var(--blue);fill:none;stroke-width:1.5;margin-bottom:14px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* faq */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:62px;padding:14px 0;font-size:16.5px;font-weight:500;color:var(--ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--blue-deep);}
.faq-item summary .ic{
  flex:0 0 20px;width:20px;height:20px;position:relative;
}
.faq-item summary .ic::before,
.faq-item summary .ic::after{
  content:"";position:absolute;background:var(--blue);border-radius:2px;transition:transform var(--t);
}
.faq-item summary .ic::before{left:0;right:0;top:9px;height:1.8px;}
.faq-item summary .ic::after{top:0;bottom:0;left:9px;width:1.8px;}
.faq-item[open] summary .ic::after{transform:scaleY(0);}
.faq-item[open] summary{color:var(--blue-deep);}
.faq-answer{padding:0 0 22px;color:var(--muted);font-size:15.5px;line-height:1.9;max-width:780px;}

/* cta bar */
.cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--ink);color:#fff;
  border-top:1px solid rgba(255,255,255,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.cta-bar .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding-top:8px;padding-bottom:8px;
}
.cta-bar p{margin:0;font-size:14px;color:rgba(255,255,255,.86);}
.cta-bar .btn{height:40px;padding:0 20px;font-size:14px;border-radius:9px;}
.cta-close{
  background:transparent;border:0;color:rgba(255,255,255,.55);font-size:18px;
  line-height:1;cursor:pointer;padding:4px 6px;
}
.cta-close:hover{color:#fff;}

/* footer */
.site-footer{background:var(--panel);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;}
.footer-brand{flex:1 1 300px;min-width:260px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;max-width:330px;}
.footer-col{flex:1 1 180px;min-width:150px;}
.footer-col h4{font-size:14px;color:var(--ink);margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--blue-deep);}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.9;margin:0;}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);
  padding:22px 0 26px;
}
.footer-bottom .wrap{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--blue-deep);}
.to-top{display:inline-flex;align-items:center;gap:6px;}
.to-top svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.9;}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
}

@media screen and (max-width:1279px){
  h1{font-size:42px;}
  .hero{padding:58px 0 46px;}
  .hero-figure img{height:380px;}
}
@media screen and (max-width:959px){
  .wrap{padding:0 24px;}
  .nav-links,.nav-cta{display:none;}
  .menu-toggle{display:flex;}
  h1{font-size:36px;}
  .hero{padding:44px 0 40px;}
  .hero-sub{font-size:16px;}
  .hero-media{margin-top:34px;}
  .hero-figure img{height:330px;}
  .hero-card{margin:-40px 0 0 12px;max-width:100%;}
  .section{padding:66px 0;}
  .section-head{margin-bottom:32px;}
  .scene-img{height:320px;}
  .scene-thumb{position:static;width:100%;height:150px;margin-top:14px;border-width:1px;border-radius:var(--r-sm);}
  .scene-list{margin-top:28px;}
  .stat-list{margin-top:20px;}
  .quote-card{padding:28px 24px;}
  .quote-card blockquote{font-size:17px;}
}
@media screen and (max-width:639px){
  .wrap{padding:0 20px;}
  body{font-size:15.5px;padding-bottom:96px;}
  h1{font-size:31px;line-height:1.24;}
  h2{font-size:23px;}
  h3{font-size:17px;}
  .hero{padding:34px 0 32px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-figure img{height:240px;}
  .hero-card{margin:-30px 0 0 0;padding:16px;}
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .section{padding:52px 0;}
  .feature-item{flex-direction:column;gap:8px;padding:22px 0;}
  .feature-num{flex:0 0 auto;}
  .news-card{padding:22px;}
  .faq-item summary{font-size:15.5px;min-height:58px;}
  .cta-bar .wrap{min-height:64px;gap:10px;}
  .cta-bar p{font-size:12.5px;line-height:1.5;max-width:52%;}
  .cta-bar .btn{height:38px;padding:0 14px;font-size:13px;white-space:nowrap;}
  .footer-grid{gap:30px;}
  .site-footer{padding-top:48px;}
  .quote-card blockquote{font-size:16.5px;}
  .scene-img{height:220px;}
  .stat-card .num{font-size:28px;}
}

/* roulang page: article */
:root{
  --ink:#1B2A33;
  --ink-2:#5F7078;
  --ink-3:#8A9AA2;
  --primary:#3F6F8E;
  --primary-dark:#2C536B;
  --primary-soft:#E7EEF3;
  --green:#6E9388;
  --green-soft:#E8F0ED;
  --sand:#C6925B;
  --sand-deep:#9A6A35;
  --sand-soft:#FFF8EE;
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --danger:#B4544A;
  --success:#4F7A64;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh:0 10px 30px rgba(27,42,51,.06);
  --sh-hover:0 16px 36px rgba(27,42,51,.09);
  --ease:180ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  padding-bottom:90px;
  -webkit-font-smoothing:antialiased;
}
body.panel-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;color:var(--ink);letter-spacing:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
@media (min-width:960px){.wrap{padding:0 32px;}}

/* ===== 顶部阅读进度 ===== */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:120;pointer-events:none;}
.read-progress span{display:block;height:100%;width:0;background:var(--primary);transition:width 90ms linear;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(245,247,245,.96);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:1px;}
.nav-links{display:none;align-items:center;gap:4px;}
@media (min-width:960px){.nav-links{display:flex;}}
.nav-link{
  position:relative;display:inline-block;padding:8px 11px;font-size:14.5px;color:var(--ink-2);
  border-radius:8px;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--primary-dark);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-cta{
  display:none;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-dark);
  padding:8px 2px;border-bottom:1px solid transparent;transition:var(--ease);
}
@media (min-width:960px){.nav-cta{display:inline-flex;}}
.nav-cta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease);}
.nav-cta:hover{border-bottom-color:var(--primary);color:var(--primary-dark);}
.nav-cta:hover svg{transform:translateX(3px);}
.menu-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;background:transparent;border:1px solid var(--line);
  border-radius:10px;cursor:pointer;transition:var(--ease);
}
.menu-toggle span{display:block;height:1.5px;background:var(--ink);border-radius:2px;}
.menu-toggle:hover{border-color:var(--primary);background:var(--panel);}
@media (min-width:960px){.menu-toggle{display:none;}}

/* ===== 移动面板 ===== */
.mobile-panel{
  position:fixed;inset:0 0 0 auto;width:min(88vw,380px);background:var(--paper);z-index:130;
  transform:translateX(102%);transition:transform 220ms cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 22px calc(22px + env(safe-area-inset-bottom));
  border-left:1px solid var(--line);
}
.mobile-panel.is-open{transform:translateX(0);}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.panel-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:transparent;cursor:pointer;transition:var(--ease);
}
.panel-close svg{width:16px;height:16px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;}
.panel-close:hover{border-color:var(--primary);background:var(--panel);}
.mobile-nav{padding:18px 0;display:flex;flex-direction:column;gap:2px;overflow-y:auto;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:19px;font-weight:600;color:var(--ink);padding:14px 4px;border-bottom:1px solid var(--line);
}
.mobile-nav a span.dot{width:7px;height:7px;border-radius:50%;background:transparent;}
.mobile-nav a.is-active span.dot{background:var(--primary);}
.mobile-nav a:hover{color:var(--primary-dark);}
.mobile-panel .btn{width:100%;justify-content:center;}
.panel-backdrop{
  position:fixed;inset:0;background:rgba(27,42,51,.34);opacity:0;visibility:hidden;
  transition:opacity 200ms ease,visibility 200ms ease;z-index:125;
}
.panel-backdrop.is-open{opacity:1;visibility:visible;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(63,111,142,.20);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(44,83,107,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(44,83,107,.18);}
.btn-ghost{background:transparent;color:var(--primary-dark);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-sand{background:var(--sand);color:#fff;}
.btn-sand:hover{background:#B5813F;color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary-dark);}
.btn-light:hover{background:#F2F6F8;color:var(--primary-dark);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.text-link:hover{color:var(--primary-dark);}
.text-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ===== 面包屑 ===== */
.crumbs{border-bottom:1px solid var(--line);background:var(--paper);}
.crumbs-inner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:13px;color:var(--ink-3);}
.crumbs-inner a{color:var(--ink-2);}
.crumbs-inner a:hover{color:var(--primary);}
.crumbs-inner .sep{color:var(--line);}
.crumbs-inner .current{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章头部 ===== */
.article-head{padding:44px 0 34px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:var(--green-soft);color:#456B60;border:1px solid #D3E4DD;
}
.chip.is-sand{background:var(--sand-soft);color:var(--sand-deep);border-color:var(--warn-line);}
.chip.is-blue{background:var(--primary-soft);color:var(--primary-dark);border-color:#CBDDE8;}
.article-head h1{
  font-size:34px;line-height:1.24;font-weight:600;margin:18px 0 16px;letter-spacing:0;
  max-width:880px;
}
@media (min-width:960px){.article-head h1{font-size:46px;line-height:1.18;}}
@media (min-width:1280px){.article-head h1{font-size:50px;}}
.lede{
  font-size:17px;line-height:1.8;color:var(--ink-2);max-width:800px;margin:0 0 22px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  font-size:13px;color:var(--ink-3);
  padding-top:18px;border-top:1px solid var(--line);
}
.meta-row .mono{font-variant-numeric:tabular-nums;letter-spacing:.3px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-cover{margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);}
.article-cover img{width:100%;height:auto;aspect-ratio:16/8;object-fit:cover;}

/* ===== 主体布局 ===== */
.article-layout{padding:44px 0 8px;}
.article-col{padding-left:0;padding-right:0;}
.article-body{
  font-size:17px;line-height:1.86;color:var(--ink);max-width:800px;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:20px;line-height:1.45;margin:32px 0 12px;}
.article-body h4{font-size:17.5px;margin:24px 0 10px;}
.article-body p{margin:0 0 1.05em;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:20px;margin-bottom:.55em;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--green);
}
.article-body ol{counter-reset:artol;}
.article-body ol li{counter-increment:artol;padding-left:26px;}
.article-body ol li::before{
  content:counter(artol,decimal-leading-zero);
  position:absolute;left:0;top:0;font-size:12.5px;font-weight:700;color:var(--sand-deep);
  font-variant-numeric:tabular-nums;line-height:2.4;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--sand-soft);
  border-left:3px solid var(--sand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:#4A3A28;font-size:16.5px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body blockquote::before{
  content:"“";display:block;font-size:34px;line-height:1;color:var(--sand);margin-bottom:4px;
}
.article-body a{text-decoration:underline;text-underline-offset:4px;}
.article-body img{border-radius:var(--r-md);margin:22px 0 10px;border:1px solid var(--line);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;line-height:1.7;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;min-width:520px;
}
.table-scroll{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);margin:24px 0;background:#fff;}
.table-scroll table{margin:0;min-width:560px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 16px;text-align:left;line-height:1.7;}
.article-body th{background:var(--panel);font-weight:600;color:var(--ink);white-space:nowrap;}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:34px 0;}
.article-body strong{font-weight:700;color:var(--ink);}

/* ===== 空态 ===== */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:48px 28px;text-align:center;box-shadow:var(--sh);
}
.empty-state .empty-icon{
  width:58px;height:58px;margin:0 auto 16px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line);
}
.empty-state .empty-icon svg{width:26px;height:26px;fill:none;stroke:var(--primary);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:21px;margin-bottom:8px;}
.empty-state p{color:var(--ink-2);font-size:15px;max-width:420px;margin:0 auto 20px;}

/* ===== 侧栏 ===== */
.sidebar{padding-top:0;}
@media (min-width:960px){
  .sidebar{position:sticky;top:96px;padding-left:8px;}
}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;margin-bottom:18px;box-shadow:var(--sh);
}
.side-card h3{font-size:14px;letter-spacing:.6px;color:var(--ink-3);font-weight:600;margin-bottom:14px;text-transform:none;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);padding:7px 10px;
  border-left:2px solid var(--line);border-radius:0 8px 8px 0;transition:var(--ease);
}
.toc-list a:hover{color:var(--primary-dark);background:var(--primary-soft);border-left-color:var(--primary);}
.toc-list a.is-current{color:var(--primary-dark);font-weight:600;background:var(--primary-soft);border-left-color:var(--primary);}
.toc-list a.lv3{padding-left:22px;font-size:13px;}
.cat-list{display:flex;flex-direction:column;}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--ink);padding:11px 2px;border-bottom:1px solid var(--line);transition:var(--ease);
}
.cat-list li:last-child a{border-bottom:none;}
.cat-list a:hover{color:var(--primary);padding-left:6px;}
.cat-list svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;color:var(--ink-3);}
.cta-card{
  background:linear-gradient(180deg,#F2F6F8 0%,#FFFFFF 100%);
  border:1px solid #CFDFE8;
}
.cta-card h3{color:var(--primary-dark);font-size:16px;font-weight:700;letter-spacing:0;margin-bottom:8px;}
.cta-card p{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:16px;}
.cta-card .btn{width:100%;}

/* ===== 文末 ===== */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);max-width:800px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--panel);color:var(--ink-2);font-size:12.5px;border:1px solid var(--line);
  transition:var(--ease);
}
.tag:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#CBDDE8;}
.foot-nav{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
.back-cat{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--primary-dark);}
.back-cat svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ===== 继续了解 ===== */
.more-section{padding:64px 0 8px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:26px;}
.section-head h2{font-size:28px;line-height:1.3;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--sand);}
.section-head p{font-size:14.5px;color:var(--ink-2);margin:6px 0 0;max-width:560px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:960px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.info-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#C9D8D4;}
.info-card .thumb{position:relative;overflow:hidden;background:var(--panel);aspect-ratio:16/9;}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease;}
.info-card:hover .thumb img{transform:scale(1.015);}
.info-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card h3{font-size:18.5px;line-height:1.45;}
.info-card p{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:0;}
.info-card .card-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.info-card .card-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease);}
.info-card:hover .card-link svg{transform:translateX(3px);}

/* ===== 结尾 CTA 区 ===== */
.tail-cta{padding:64px 0 72px;}
.tail-cta-inner{
  background:var(--primary-dark);border-radius:var(--r-lg);padding:40px 28px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  position:relative;overflow:hidden;
}
@media (min-width:960px){.tail-cta-inner{padding:48px;grid-template-columns:7fr 5fr;}}
.tail-cta-inner::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
}
.tail-cta h2{color:#fff;font-size:26px;line-height:1.35;margin-bottom:10px;}
.tail-cta p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:520px;}
.tail-cta .actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 底部固定转化条 ===== */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:110;
  background:var(--ink);color:#fff;
  padding:10px 0 calc(10px + env(safe-area-inset-bottom));
  transform:translateY(0);transition:transform 220ms ease;
}
.sticky-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.sticky-bar .bar-text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.sticky-bar .bar-title{font-size:14.5px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-bar .bar-sub{font-size:12px;color:rgba(255,255,255,.62);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-bar .btn{min-height:42px;padding:0 18px;font-size:14px;flex:0 0 auto;}
@media (max-width:639px){
  .sticky-bar .bar-sub{display:none;}
  .sticky-bar .btn{min-height:44px;}
}

/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line);background:var(--panel);margin-top:8px;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:960px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:13px;letter-spacing:.8px;color:var(--ink-3);font-weight:600;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col ul a{font-size:14.5px;color:var(--ink-2);}
.footer-col ul a:hover{color:var(--primary-dark);}
.footer-col p{font-size:14px;line-height:1.85;color:var(--ink-2);margin:0;}
.footer-bottom{border-top:1px solid var(--line);}
.footer-bottom .wrap{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 20px;font-size:12.5px;color:var(--ink-3);
}
@media (min-width:960px){.footer-bottom .wrap{padding:18px 32px;}}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-size:12.5px;}
.to-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{color:var(--primary-dark);}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --green:#6E9388;
  --gold:#C6925B;
  --gold-deep:#9A6A35;
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --ink:#1B2A33;
  --ink-2:#5F7078;
  --err:#B4544A;
  --ok:#4F7A64;
  --warn-bg:#FFF8EE;
  --warn-line:#EAD7BC;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(27,42,51,.06);
  --sh-h:0 16px 36px rgba(27,42,51,.09);
  --sec:100px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:72px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;color:var(--ink)}
h1{font-size:44px;line-height:1.18}
h2{font-size:28px;line-height:1.3}
h3{font-size:20px;line-height:1.4}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--blue-deep)}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:var(--sec) 0}
.section--tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:28px}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--gold-deep);
  background:var(--warn-bg);border:1px solid var(--warn-line);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ---------- 基础栅格微调 ---------- */
.grid-x{margin-left:-14px;margin-right:-14px}
.grid-x>.cell{padding-left:14px;padding-right:14px}
.row{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(63,111,142,.18)}
.btn--primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(44,83,107,.24)}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(44,83,107,.2)}
.btn--ghost{background:transparent;border-color:var(--blue);color:var(--blue)}
.btn--ghost:hover{background:var(--panel);color:var(--blue-deep);border-color:var(--blue-deep)}
.btn--ghost:active{transform:translateY(0)}
.btn--gold{background:var(--gold);color:#fff}
.btn--gold:hover{background:var(--gold-deep);color:#fff;transform:translateY(-1px)}
.btn--sm{height:42px;padding:0 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--blue)}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.link-arrow:hover{color:var(--blue-deep);text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(245,247,245,.97);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);
  display:grid;place-items:center;
}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:var(--blue);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-name{font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;display:inline-block;font-size:14.5px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link:hover{color:var(--blue-deep)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--blue)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-cta{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--blue)}
.nav-cta svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.nav-cta:hover{color:var(--blue-deep);text-decoration:underline;text-underline-offset:4px}
.nav-cta:hover svg{transform:translateX(3px)}
.menu-toggle{
  display:none;width:42px;height:42px;padding:0;border:1px solid var(--line);
  border-radius:10px;background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;transition:background-color .18s ease}
.menu-toggle:hover span{background:var(--blue)}

/* ---------- 移动端面板 ---------- */
.mobile-panel{
  position:fixed;inset:0;z-index:200;display:none;
  background:var(--paper);padding:22px 22px 40px;overflow-y:auto;
}
.mobile-panel.is-open{display:block}
.mobile-panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.panel-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:transparent;cursor:pointer;display:grid;place-items:center;
}
.panel-close svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round}
.panel-close:hover svg{stroke:var(--blue)}
.mobile-nav{display:flex;flex-direction:column}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;border-bottom:1px solid var(--line);
  font-size:19px;font-weight:600;color:var(--ink);
}
.mobile-nav a::after{content:"";width:6px;height:6px;border-radius:50%;background:transparent}
.mobile-nav a.is-active{color:var(--blue-deep)}
.mobile-nav a.is-active::after{background:var(--gold)}
.mobile-panel .btn{margin-top:28px;width:100%}

/* ---------- 页面 Hero ---------- */
.page-hero{padding:56px 0 0;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;top:-120px;right:-80px;width:520px;height:520px;
  border-radius:50%;border:1px solid rgba(63,111,142,.10);
  pointer-events:none;
}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:24px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{color:var(--line)}
.crumbs .current{color:var(--ink);font-weight:600}
.page-hero h1{max-width:15em}
.page-hero h1 .accent{color:var(--blue-deep)}
.hero-lede{margin-top:20px;max-width:34em;font-size:17px;line-height:1.85;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.hero-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:26px 26px 22px;
}
.hero-side h2{font-size:15px;letter-spacing:.06em;color:var(--ink-2);font-weight:600;margin-bottom:18px}
.mini-step{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.mini-step:first-of-type{border-top:0;padding-top:0}
.mini-step .num{
  flex:0 0 34px;height:34px;border-radius:10px;background:var(--panel);
  display:grid;place-items:center;color:var(--blue-deep);
  font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
}
.mini-step .txt{font-size:14.5px;line-height:1.65;color:var(--ink)}
.mini-step .txt span{display:block;font-size:12.5px;color:var(--ink-2);margin-top:2px}

.info-bar{
  margin-top:52px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px 40px;padding:18px 0;
}
.info-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-2)}
.info-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);flex:0 0 6px}
.info-item b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:8px;border-top:1px solid var(--line)}
.tl-item{
  display:flex;gap:30px;padding:32px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.tl-num{
  flex:0 0 74px;font-size:30px;font-weight:600;line-height:1;
  color:var(--gold-deep);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-body{flex:1 1 auto;min-width:0}
.tl-body h3{margin-bottom:10px}
.tl-body p{margin:0;font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--panel);color:var(--blue-deep);
  font-size:12.5px;letter-spacing:.02em;
}
.tag--gold{background:var(--warn-bg);color:var(--gold-deep);border:1px solid var(--warn-line)}
.tag--green{background:rgba(110,147,136,.12);color:#4C6E64}

/* ---------- 设备框 + 清单 ---------- */
.device-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:16px;
}
.device-frame{
  position:relative;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--panel);overflow:hidden;aspect-ratio:4/3;
}
.device-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.device-card:hover .device-frame img{transform:scale(1.015)}
.device-frame::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-md);
  background:rgba(245,247,245,.06);pointer-events:none;
}
.device-cap{font-size:12.5px;color:var(--ink-2);margin:14px 4px 4px;line-height:1.6}

.check-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:8px}
.check-head h2{font-size:24px}
.check-head span{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;margin-top:12px}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 0;border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.7;color:var(--ink);
}
.check-item svg{
  flex:0 0 20px;width:20px;height:20px;margin-top:3px;
  fill:none;stroke:var(--green);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;
}
.check-note{
  margin-top:24px;padding:18px 20px;border-radius:var(--r-md);
  background:var(--warn-bg);border:1px solid var(--warn-line);
  font-size:14.5px;line-height:1.8;color:var(--gold-deep);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px}
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--blue-deep)}
.faq .plus{
  position:relative;flex:0 0 26px;width:26px;height:26px;
  border:1px solid var(--line);border-radius:50%;
  transition:transform .2s ease,border-color .2s ease;
}
.faq .plus::before,.faq .plus::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--ink-2);
  transform:translate(-50%,-50%);
}
.faq .plus::before{width:11px;height:1.5px}
.faq .plus::after{width:1.5px;height:11px;transition:opacity .2s ease}
.faq details[open] .plus{transform:rotate(45deg);border-color:var(--blue)}
.faq details[open] .plus::before,.faq details[open] .plus::after{background:var(--blue)}
.faq details[open] summary{color:var(--blue-deep)}
.faq .answer{padding:0 0 22px;max-width:52em;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-block h2{font-size:28px;max-width:18em}
.cta-block p{margin:14px 0 0;color:var(--ink-2);font-size:15.5px;max-width:36em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--panel);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;
  padding:64px 0 52px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:26em}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14.5px;color:var(--ink-2)}
.footer-col ul li a:hover{color:var(--blue-deep);text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;line-height:1.9;color:var(--ink-2);margin:0}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:20px;font-size:13px;color:var(--ink-2);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.to-top svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.to-top:hover{color:var(--blue-deep)}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:150;
  background:var(--ink);color:#fff;
  transform:translateY(100%);opacity:0;pointer-events:none;
  transition:transform .24s ease,opacity .24s ease;
  padding-bottom:env(safe-area-inset-bottom);
}
.sticky-bar.is-visible{transform:translateY(0);opacity:1;pointer-events:auto}
.sticky-inner{
  max-width:1180px;margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.sticky-text{font-size:14.5px;color:rgba(255,255,255,.86);display:flex;align-items:center;gap:10px}
.sticky-text::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 6px}
.sticky-actions{display:flex;align-items:center;gap:12px}
.sticky-bar .btn{height:42px;padding:0 20px;font-size:14px}
.sticky-bar .btn--gold{box-shadow:none}

/* ---------- 响应式 ---------- */
@media (min-width:960px){
  .nav-links{display:flex}
}
@media (max-width:959px){
  :root{--sec:76px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  h1{font-size:34px}
  .page-hero{padding-top:40px}
  .hero-side{margin-top:36px}
  .cta-block{padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 40px}
  .check-grid{grid-template-columns:1fr}
  .section{padding:76px 0}
}
@media (max-width:639px){
  :root{--sec:56px}
  body{padding-bottom:84px}
  .wrap{padding-left:20px;padding-right:20px}
  h1{font-size:31px}
  h2{font-size:23px}
  h3{font-size:18px}
  .brand-sub{display:none}
  .page-hero h1{max-width:none}
  .hero-lede{font-size:16px;margin-top:16px}
  .hero-actions .btn{flex:1 1 100%}
  .tl-item{gap:18px;padding:26px 0}
  .tl-num{flex:0 0 46px;font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .sticky-inner{padding:0 20px;height:64px;gap:12px}
  .sticky-text{font-size:13px;line-height:1.4}
  .sticky-bar .btn{height:40px;padding:0 16px;font-size:13.5px;white-space:nowrap}
  .cta-block{padding:32px 22px}
  .cta-actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .device-card:hover .device-frame img{transform:none}
}

/* roulang page: category2 */
:root{
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --green:#6E9388;
  --gold:#C6925B;
  --gold-deep:#9A6A35;
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --ink:#1B2A33;
  --ink-soft:#5F7078;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(27,42,51,.06);
  --shadow-hover:0 16px 36px rgba(27,42,51,.09);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  padding-bottom:86px;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--blue-deep)}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,247,245,.97);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--panel);border:1px solid var(--line);color:var(--blue);flex:0 0 auto}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:block;line-height:1.25}
.brand-name{display:block;font-size:16px;font-weight:600;letter-spacing:.2px}
.brand-sub{display:block;font-size:11px;color:var(--ink-soft);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:14.5px;color:var(--ink-soft);padding:6px 0;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-link:hover{color:var(--blue)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--blue-deep);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-cta{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--blue);white-space:nowrap}
.nav-cta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.nav-cta:hover svg{transform:translateX(3px)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}

/* ---------- Mobile panel ---------- */
.mobile-panel{position:fixed;inset:0;z-index:120;background:var(--paper);display:none;flex-direction:column;padding:26px 24px 34px;overflow-y:auto}
.mobile-panel.is-open{display:flex}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.panel-close{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;border:1px solid var(--line);background:#fff}
.panel-close svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round}
.panel-links{display:flex;flex-direction:column;margin:18px 0 26px}
.panel-links a{font-size:20px;font-weight:600;color:var(--ink);padding:15px 4px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.panel-links a.is-active{color:var(--blue)}
.panel-links a.is-active::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
.panel-cta{margin-top:auto;display:flex}
.panel-cta .btn{width:100%}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease)}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(63,111,142,.22)}
.btn-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(63,111,142,.28)}
.btn-primary:active{transform:none;box-shadow:0 6px 16px rgba(63,111,142,.22)}
.btn-ghost{background:transparent;border-color:var(--blue);color:var(--blue)}
.btn-ghost:hover{background:rgba(63,111,142,.08);border-color:var(--blue-deep);color:var(--blue-deep)}
.btn-ghost:active{transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--blue);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.text-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- Hero ---------- */
.cat-hero{padding:52px 0 60px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);margin-bottom:20px}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#B9C6C3}
.breadcrumb .current{color:var(--ink);font-weight:500}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;background:rgba(110,147,136,.14);color:#41665C;font-size:12.5px;letter-spacing:.02em;margin-bottom:18px}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
h1{font-size:clamp(30px,3.9vw,46px);line-height:1.16;font-weight:600}
.h1-sep{color:var(--gold);font-weight:400;margin:0 4px}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.85;color:var(--ink-soft);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.info-strip{display:flex;flex-wrap:wrap;margin-top:32px;padding-top:18px;border-top:1px solid var(--line)}
.info-strip span{font-size:13.5px;color:var(--ink-soft);padding-right:22px;margin-right:22px;border-right:1px solid var(--line)}
.info-strip span:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}
.hero-badge{position:absolute;left:18px;bottom:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow);max-width:250px}
.hero-badge strong{display:block;font-size:15px;margin-bottom:2px}
.hero-badge span{font-size:12.5px;color:var(--ink-soft);line-height:1.6;display:block}

/* ---------- Section base ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:40px}
.section-head h2{font-size:clamp(23px,2.5vw,29px);line-height:1.3}
.section-head .head-desc{color:var(--ink-soft);font-size:15.5px;max-width:32em}
.eyebrow-line{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--gold-deep);margin-bottom:10px}

/* ---------- Intro band ---------- */
.intro-band{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.intro-grid h2{font-size:clamp(22px,2.4vw,27px);line-height:1.35;max-width:18em}
.intro-grid p{color:var(--ink-soft);font-size:15.5px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12.5px;color:#41665C}
.tag--gold{background:#FFF8EE;border-color:#EAD7BC;color:var(--gold-deep)}

/* ---------- Scene matrix ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);display:flex;flex-direction:column;gap:12px}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9D6D2}
.scene-num{font-size:12.5px;letter-spacing:.1em;color:var(--gold-deep);font-variant-numeric:tabular-nums}
.scene-card h3{font-size:19px}
.scene-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;margin:0}
.scene-card--wide{grid-column:span 2;display:grid;grid-template-columns:210px 1fr;align-items:stretch;padding:0;overflow:hidden;gap:0}
.scene-card--wide .scene-figure{overflow:hidden;background:var(--panel)}
.scene-card--wide .scene-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:auto;transition:transform 320ms ease}
.scene-card--wide:hover .scene-figure img{transform:scale(1.015)}
.scene-card--wide .scene-body{padding:26px;display:flex;flex-direction:column;gap:12px}

/* ---------- Focus block ---------- */
.focus-block{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.focus-figure{background:var(--panel)}
.focus-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.focus-body{padding:44px}
.focus-body h3{font-size:clamp(20px,2.2vw,25px);line-height:1.35;margin-bottom:14px}
.focus-body p{color:var(--ink-soft);font-size:15.5px}
.step-list{margin-top:24px;display:flex;flex-direction:column}
.step-list li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-soft)}
.step-list li strong{color:var(--ink);font-weight:600;flex:0 0 auto;min-width:64px}
.step-list li:first-child{border-top:1px solid var(--line)}

/* ---------- Compare table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;min-width:660px}
table.compare caption{text-align:left;padding:18px 22px;font-size:13.5px;color:var(--ink-soft);background:var(--panel);border-bottom:1px solid var(--line)}
table.compare th{background:#F2F6F4;text-align:left;font-size:13.5px;font-weight:600;color:var(--ink-soft);letter-spacing:.02em}
table.compare th,table.compare td{padding:16px 22px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:#FAFCFB}
table.compare td:first-child{font-weight:600;color:var(--ink)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:62px;padding:16px 0;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::marker{content:""}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);background:#fff}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--blue);transform:translate(-50%,-50%);transition:transform var(--ease),opacity var(--ease)}
.faq-icon::before{width:10px;height:1.5px}
.faq-icon::after{width:1.5px;height:10px}
details[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
details[open] summary{color:var(--blue-deep)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-soft);max-width:60em}

/* ---------- CTA block ---------- */
.cta-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px;display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;box-shadow:var(--shadow)}
.cta-block h2{font-size:clamp(21px,2.3vw,26px);line-height:1.35;margin-bottom:12px}
.cta-block p{color:var(--ink-soft);font-size:15.5px;max-width:36em}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ---------- Sticky bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;background:#1B2A33;color:#fff;border-top:1px solid rgba(255,255,255,.08);padding:11px 0 calc(11px + env(safe-area-inset-bottom))}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}
.sticky-text{font-size:14px;color:rgba(255,255,255,.85);line-height:1.5}
.sticky-text strong{color:#fff;font-weight:600}
.sticky-actions{display:flex;align-items:center;gap:12px}
.btn-gold{background:var(--gold);color:#2A1B0C;height:42px;padding:0 20px;font-size:14.5px;border-radius:10px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:background var(--ease),transform var(--ease)}
.btn-gold:hover{background:#B8834C;transform:translateY(-1px);color:#2A1B0C}
.btn-gold:active{transform:none}
.bar-close{width:32px;height:32px;display:grid;place-items:center;border-radius:8px;border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.7)}
.bar-close:hover{color:#fff;border-color:rgba(255,255,255,.45)}
.bar-close svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* ---------- Footer ---------- */
.site-footer{background:var(--panel);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.05fr;gap:44px;padding:64px 0 48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-soft);line-height:1.85;max-width:26em}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--ink)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--ink-soft)}
.footer-col ul a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.footer-col p{font-size:14px;color:var(--ink-soft);line-height:1.9}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0}
.footer-bottom .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-soft)}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--ink-soft);font-size:13px}
.to-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.to-top:hover{color:var(--blue)}

/* ---------- Image fallback ---------- */
.img-fallback{background:var(--panel);border:1px solid var(--line);position:relative}
.img-fallback::after{content:"图片加载中";position:absolute;inset:0;display:grid;place-items:center;font-size:12.5px;color:#93A6A2}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .wrap{max-width:1060px;padding:0 28px}
  .hero-grid{gap:44px}
  .section{padding:76px 0}
}
@media (max-width:959px){
  .nav-links,.nav-cta{display:none}
  .menu-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{order:-1}
  .hero-media img{aspect-ratio:16/10}
  .intro-grid{grid-template-columns:1fr;gap:26px}
  .scene-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .scene-card--wide{grid-column:span 2;grid-template-columns:1fr}
  .scene-card--wide .scene-figure img{aspect-ratio:16/9}
  .focus-block{grid-template-columns:1fr}
  .focus-body{padding:32px}
  .cta-block{grid-template-columns:1fr;padding:34px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 40px}
  .section{padding:60px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  body{padding-bottom:80px}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  body{font-size:15.5px}
  h1{font-size:30px}
  .cat-hero{padding:34px 0 44px}
  .hero-lead{font-size:15.5px;margin-top:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .info-strip{flex-direction:column;gap:10px}
  .info-strip span{border-right:0;margin-right:0;padding-right:0}
  .hero-badge{position:static;margin-top:14px;max-width:none}
  .scene-grid{grid-template-columns:1fr}
  .scene-card--wide{grid-column:span 1}
  .section{padding:52px 0}
  .intro-band{padding:44px 0}
  .focus-body{padding:26px}
  .cta-block{padding:26px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:10px}
  .sticky-actions{justify-content:space-between}
  .sticky-text{font-size:13px}
  .btn-gold{flex:1;justify-content:center}
  body{padding-bottom:118px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --green:#6E9388;
  --gold:#C6925B;
  --gold-deep:#9A6A35;
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --ink:#1B2A33;
  --ink-2:#5F7078;
  --warm:#FFF8EE;
  --warm-line:#EAD7BC;
  --ok:#4F7A64;
  --err:#B4544A;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(27,42,51,.06);
  --shadow-hover:0 16px 36px rgba(27,42,51,.09);
  --max:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:76px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:var(--blue);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--blue-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--ink);margin:0;line-height:1.25;font-weight:600;letter-spacing:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,245,.97);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--panel);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:var(--blue);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:600;letter-spacing:.2px;}
.brand-sub{font-size:12px;color:var(--ink-2);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--blue);border-radius:2px;transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--blue-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--blue);padding:8px 0;border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav-cta svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.nav-cta:hover{color:var(--blue-deep);border-bottom-color:var(--blue-deep);}
.nav-cta:hover svg{transform:translateX(3px);}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
.menu-toggle:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;}

/* mobile panel */
.mobile-panel{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:22px 24px calc(28px + env(safe-area-inset-bottom));
  display:none;flex-direction:column;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.mobile-close{
  width:42px;height:42px;border:1px solid var(--line);background:var(--card);border-radius:10px;
  color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.mobile-close:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;}
.mobile-nav{display:flex;flex-direction:column;}
.mobile-nav a{
  font-size:20px;padding:16px 0;color:var(--ink);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-nav a.is-active{color:var(--blue);}
.mobile-nav a.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);
  margin-right:10px;flex:0 0 6px;
}
.mobile-panel .btn{margin-top:28px;width:100%;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  text-align:center;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(63,111,142,.18);}
.btn-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(44,83,107,.24);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--blue);color:var(--blue);}
.btn-ghost:hover{background:rgba(63,111,142,.08);color:var(--blue-deep);border-color:var(--blue-deep);}
.btn-ghost:active{transform:translateY(0);}
.btn-gold{background:var(--gold);color:#2A1C0C;border-color:var(--gold);}
.btn-gold:hover{background:#B9834A;color:#21160A;}
.btn:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;}

/* ---------- hero ---------- */
.page-hero{padding:52px 0 0;}
.crumb{font-size:13px;color:var(--ink-2);margin-bottom:20px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--blue);}
.crumb .sep{color:#B7C6C2;}
.crumb .cur{color:var(--ink);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--gold-deep);letter-spacing:.4px;
  background:var(--warm);border:1px solid var(--warm-line);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;
}
.eyebrow i{font-size:12px;}
h1.hero-title{
  font-size:46px;line-height:1.18;font-weight:600;letter-spacing:-.2px;
  margin:0 0 18px;max-width:640px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px;margin:0 0 28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--panel);
  margin-top:6px;
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure .fig-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(245,247,245,.94);border:1px solid var(--line);border-radius:999px;
  font-size:12px;color:var(--ink-2);padding:6px 14px;
}
.info-strip{
  margin-top:52px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;
}
.info-strip ul{display:flex;flex-wrap:wrap;gap:12px 44px;}
.info-strip li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2);}
.info-strip li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 6px;}
.info-strip strong{color:var(--ink);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:660px;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:14px;}
h2{font-size:29px;line-height:1.3;font-weight:600;margin:0 0 14px;}
.section-head p{color:var(--ink-2);font-size:16px;margin:0;}
.h3{font-size:19px;font-weight:600;margin:0 0 8px;}

/* ---------- scope ---------- */
.scope-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 26px 8px;box-shadow:var(--shadow);height:100%;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.scope-card:hover{box-shadow:var(--shadow-hover);border-color:#CBD9D5;transform:translateY(-2px);}
.scope-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.scope-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--panel);
  display:inline-flex;align-items:center;justify-content:center;color:var(--blue);
  border:1px solid var(--line);
}
.scope-icon i{font-size:16px;}
.scope-card h3{font-size:19px;margin:0;}
.scope-card .scope-note{font-size:13px;color:var(--ink-2);margin:2px 0 0;}
.scope-list li{
  padding:16px 0;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2);
  display:flex;gap:12px;align-items:flex-start;
}
.scope-list li:first-child{border-top:1px solid var(--line);}
.scope-list li span.dot{
  width:6px;height:6px;border-radius:50%;background:var(--green);margin-top:10px;flex:0 0 6px;
}

/* ---------- support layout ---------- */
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);position:sticky;top:98px;
}
.contact-card h3{font-size:18px;margin-bottom:6px;}
.contact-card .sub{font-size:13px;color:var(--ink-2);margin-bottom:20px;}
.contact-row{display:flex;justify-content:space-between;gap:14px;padding:14px 0;border-top:1px solid var(--line);font-size:14px;}
.contact-row dt{color:var(--ink-2);margin:0;}
.contact-row dd{margin:0;color:var(--ink);font-weight:600;text-align:right;}
.contact-tip{
  margin-top:20px;background:var(--warm);border:1px solid var(--warm-line);border-radius:12px;
  padding:14px 16px;font-size:13px;color:var(--gold-deep);line-height:1.7;
}
.contact-tip i{margin-right:6px;}

.timeline{position:relative;padding-left:0;}
.step{position:relative;padding:0 0 34px 68px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:1px;background:var(--line);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);color:var(--gold-deep);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
  box-shadow:0 4px 12px rgba(27,42,51,.05);
}
.step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease;}
.step-body:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px);}
.step-body h3{font-size:18px;margin:0 0 6px;}
.step-body p{margin:0;font-size:15px;color:var(--ink-2);}
.step-meta{display:inline-block;margin-top:10px;font-size:12px;color:var(--gold-deep);background:var(--warm);border:1px solid var(--warm-line);border-radius:999px;padding:3px 11px;}

/* ---------- form ---------- */
.form-section{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow);
}
.form-card h2{font-size:24px;margin-bottom:8px;}
.form-card .form-intro{font-size:14px;color:var(--ink-2);margin-bottom:26px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.field .req{color:var(--gold);margin-left:4px;}
.field .hint{display:block;font-size:12px;color:var(--ink-2);font-weight:400;margin-top:4px;}
.input,.select,.textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
  appearance:none;
}
.textarea{height:auto;min-height:148px;padding:12px 14px;line-height:1.7;resize:vertical;}
.select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235F7078' stroke-width='1.8'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  padding-right:40px;
}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(63,111,142,.16);
}
.input::placeholder,.textarea::placeholder{color:#9AA9A6;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);}
.check-line input{width:18px;height:18px;margin-top:4px;accent-color:var(--blue);flex:0 0 18px;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:8px;}
.form-actions .note{font-size:13px;color:var(--ink-2);margin:0;}
.form-msg{display:none;margin-top:18px;border-radius:12px;padding:14px 16px;font-size:14px;}
.form-msg.is-ok{display:block;background:#EFF6F1;border:1px solid #CBE0D3;color:var(--ok);}
.form-msg.is-err{display:block;background:#FBF0EF;border:1px solid #E8CCC8;color:var(--err);}
.side-note{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow);
}
.side-note h3{font-size:17px;margin-bottom:12px;}
.side-note ol{counter-reset:n;}
.side-note ol li{
  counter-increment:n;position:relative;padding:12px 0 12px 34px;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);line-height:1.7;
}
.side-note ol li:first-child{border-top:none;}
.side-note ol li::before{
  content:counter(n);position:absolute;left:0;top:12px;width:22px;height:22px;border-radius:7px;
  background:var(--panel);color:var(--blue);font-size:12px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--blue-deep);}
.faq-item summary:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:3px;border-radius:8px;}
.faq-item summary .q-idx{
  font-size:13px;color:var(--gold-deep);font-variant-numeric:tabular-nums;margin-right:14px;font-weight:600;
}
.faq-item summary .q-text{flex:1;}
.faq-item summary .sign{
  position:relative;width:20px;height:20px;flex:0 0 20px;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--blue);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-item summary .sign::before{left:0;top:9px;width:20px;height:1.8px;}
.faq-item summary .sign::after{left:9px;top:0;width:1.8px;height:20px;}
.faq-item[open] summary .sign::after{transform:scaleY(0);opacity:0;}
.faq-answer{padding:0 4px 24px 42px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:760px;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 40px;box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{margin:0;color:var(--ink-2);font-size:15px;max-width:600px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--panel);border-top:1px solid var(--line);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:320px;margin:0;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin:0 0 16px;letter-spacing:.2px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--ink-2);}
.footer-col ul li a:hover{color:var(--blue-deep);}
.footer-col p{font-size:14px;color:var(--ink-2);line-height:1.9;margin:0;}
.footer-bottom{border-top:1px solid var(--line);}
.footer-bottom .wrap{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-top:20px;padding-bottom:20px;font-size:13px;color:var(--ink-2);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);}
.to-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{color:var(--blue-deep);}

/* ---------- fixed bar ---------- */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--ink);color:#fff;
  transform:translateY(110%);transition:transform .22s ease;
  padding:10px 0 calc(10px + env(safe-area-inset-bottom));
}
.fixed-bar.is-visible{transform:translateY(0);}
.fixed-bar-inner{display:flex;align-items:center;gap:18px;justify-content:space-between;}
.fixed-bar-text{margin:0;font-size:14px;color:rgba(255,255,255,.82);line-height:1.6;}
.fixed-bar .btn{height:42px;padding:0 20px;font-size:14px;border-radius:10px;}
.fixed-close{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;border:1px solid rgba(255,255,255,.22);
  background:transparent;color:rgba(255,255,255,.72);font-size:18px;line-height:1;cursor:pointer;
}
.fixed-close:hover{color:#fff;border-color:rgba(255,255,255,.5);}
.fixed-close:focus-visible{outline:3px solid rgba(198,146,91,.6);outline-offset:2px;}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .wrap{padding:0 24px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  h1.hero-title{font-size:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:72px 0;}
  .contact-card{position:static;margin-bottom:26px;}
}
@media screen and (max-width:767px){
  .wrap{padding:0 20px;}
  .page-hero{padding:36px 0 0;}
  h1.hero-title{font-size:32px;line-height:1.25;}
  h2{font-size:24px;}
  .hero-lead{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .info-strip{margin-top:36px;}
  .info-strip ul{gap:10px 24px;}
  .cta-band{padding:26px 22px;}
  .form-card{padding:22px;}
  .step{padding-left:56px;}
  .step::before{left:15px;}
  .step-num{width:32px;height:32px;border-radius:10px;font-size:13px;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .faq-answer{padding-left:0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:44px 0 32px;}
  .fixed-bar-text{font-size:13px;}
  .nav-cta{display:none;}
}
@media screen and (max-width:519px){
  h1.hero-title{font-size:29px;}
  .hero-actions .btn{width:100%;}
  .fixed-bar-inner{gap:12px;}
  .fixed-bar-text{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12.5px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category4 */
:root{
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --celadon:#6E9388;
  --sand:#C6925B;
  --sand-deep:#9A6A35;
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --ink:#1B2A33;
  --ink-2:#5F7078;
  --error:#B4544A;
  --success:#4F7A64;
  --warm-bg:#FFF8EE;
  --warm-line:#EAD7BC;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(27,42,51,.06);
  --shadow-hover:0 16px 36px rgba(27,42,51,.09);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-bottom:76px;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--blue-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(245,247,245,.96);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  box-shadow:0 4px 12px rgba(27,42,51,.05);
}
.brand-mark svg{
  width:20px;height:20px;
  fill:none;
  stroke:var(--blue);
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--ink-2);margin-top:3px;letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  padding:6px 0;
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--blue);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--blue);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--blue);
  font-weight:500;
}
.nav-cta svg{
  width:16px;height:16px;
  fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;
  transition:transform .2s ease;
}
.nav-cta:hover svg{transform:translateX(3px);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:18px;height:1.5px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}

/* ---------- mobile panel ---------- */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:130;
  background:var(--paper);
  display:none;
  flex-direction:column;
  padding:24px 24px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:12px;
}
.mobile-panel-close{
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--card);
  cursor:pointer;
  font-size:20px;
  line-height:1;
  color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.mobile-panel nav{display:flex;flex-direction:column;}
.mobile-panel nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 4px;
  font-size:20px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel nav a.is-active{color:var(--blue);font-weight:600;}
.mobile-panel nav a span.dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--blue);
  display:inline-block;
}
.mobile-panel .panel-cta{
  margin-top:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  border-radius:var(--radius-sm);
  background:var(--blue);
  color:#fff;
  font-size:15px;
  font-weight:600;
}
.mobile-panel .panel-cta:hover{background:var(--blue-deep);color:#fff;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 0;
  background-color:var(--panel);
  background-image:
    repeating-linear-gradient(0deg,rgba(27,42,51,.035) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(27,42,51,.035) 0 1px,transparent 1px 34px),
    url("/assets/images/backpic/back-2.webp");
  background-size:auto,auto,cover;
  background-position:center,center,center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(234,240,238,.9);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:1;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:22px;
}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--blue);}
.crumbs .sep{color:#B9C6C3;}
.crumbs .current{color:var(--ink);font-weight:500;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  padding-bottom:52px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(63,111,142,.09);
  border:1px solid rgba(63,111,142,.18);
  color:var(--blue-deep);
  font-size:12.5px;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow i{
  width:5px;height:5px;border-radius:50%;
  background:var(--sand);
  display:inline-block;
}
.page-hero h1{
  font-size:44px;
  line-height:1.2;
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--blue);
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn svg{
  width:16px;height:16px;
  fill:none;stroke:currentColor;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round;
}
.btn-primary{
  background:var(--blue);
  color:#fff;
  box-shadow:0 8px 20px rgba(63,111,142,.22);
}
.btn-primary:hover{
  background:var(--blue-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(44,83,107,.26);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--blue);
  border-color:var(--blue);
}
.btn-ghost:hover{
  background:rgba(63,111,142,.08);
  color:var(--blue-deep);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0);}
.hero-figure{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
  aspect-ratio:4/3;
}
.hero-figure img{
  width:100%;height:100%;
  object-fit:cover;
}
.hero-figure figcaption{
  position:absolute;
  left:14px;right:14px;bottom:14px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:12px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-2);
}
.hero-figure figcaption b{color:var(--ink);font-weight:600;}
.hero-figure figcaption .tagline{
  font-size:12px;
  color:var(--sand-deep);
  border:1px solid var(--warm-line);
  background:var(--warm-bg);
  border-radius:999px;
  padding:3px 10px;
  white-space:nowrap;
}
.hero-strip{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.7);
}
.hero-strip .strip-inner{
  display:flex;
  flex-wrap:wrap;
  gap:12px 40px;
  padding:16px 0;
  font-size:13.5px;
  color:var(--ink-2);
}
.hero-strip .strip-inner span strong{color:var(--ink);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:var(--space-section) 0 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-label{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--sand-deep);
  margin-bottom:12px;
}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  font-weight:600;
  color:var(--ink);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:2px;
  background:var(--blue);
}
.section-head p{
  margin-top:14px;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.8;
}

/* notice card */
.notice-card{
  background:var(--warm-bg);
  border:1px solid var(--warm-line);
  border-radius:var(--radius-lg);
  padding:28px 30px;
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:20px;
  align-items:start;
}
.notice-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--warm-line);
  display:flex;align-items:center;justify-content:center;
}
.notice-icon svg{
  width:22px;height:22px;
  fill:none;stroke:var(--sand-deep);stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.notice-card h2{
  font-size:20px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--ink);
}
.notice-card p{
  color:#6B5B45;
  font-size:15.5px;
  line-height:1.85;
}
.notice-card p + p{margin-top:10px;}

/* principles */
.principles{
  border-top:1px solid var(--line);
  margin-top:8px;
}
.principle{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:28px;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.principle:hover{background:rgba(255,255,255,.6);}
.principle-num{
  font-size:30px;
  font-weight:600;
  color:var(--sand);
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  line-height:1;
  padding-top:4px;
}
.principle-body h3{
  font-size:20px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.principle-body p{
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
  max-width:780px;
}
.principle-body .mini-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.mini-tag{
  font-size:12.5px;
  color:var(--blue-deep);
  background:rgba(63,111,142,.08);
  border:1px solid rgba(63,111,142,.16);
  border-radius:999px;
  padding:4px 12px;
}
.mini-tag.green{
  color:#43685F;
  background:rgba(110,147,136,.12);
  border-color:rgba(110,147,136,.26);
}

/* checklist */
.check-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.check-progress{
  padding:24px 30px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(234,240,238,.7),rgba(234,240,238,0));
}
.progress-title{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.progress-title h3{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}
.progress-title span{
  font-size:13px;
  color:var(--ink-2);
}
.progress-track{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
}
.progress-step{
  position:relative;
  font-size:13px;
  color:var(--ink-2);
  padding-top:14px;
}
.progress-step::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  border-radius:999px;
  background:rgba(63,111,142,.16);
}
.progress-step.done::before{background:var(--blue);}
.progress-step.done{color:var(--blue-deep);font-weight:600;}
.progress-step.mid::before{background:var(--celadon);}
.progress-step.mid{color:#43685F;font-weight:600;}
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.check-item{
  display:grid;
  grid-template-columns:26px minmax(0,1fr);
  gap:14px;
  padding:22px 30px;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.check-item:nth-child(odd){border-right:1px solid var(--line);}
.check-item:last-child,.check-item:nth-last-child(2){border-bottom:none;}
.check-item .tick{
  width:24px;height:24px;
  border-radius:8px;
  border:1px solid rgba(110,147,136,.4);
  background:rgba(110,147,136,.12);
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.check-item .tick svg{
  width:13px;height:13px;
  fill:none;stroke:var(--success);stroke-width:2.2;
  stroke-linecap:round;stroke-linejoin:round;
}
.check-item h4{
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
}
.check-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-2);
}

/* split block with image */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:52px;
  align-items:center;
}
.split-figure{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
  aspect-ratio:16/11;
}
.split-figure img{width:100%;height:100%;object-fit:cover;}
.split-body h2{
  font-size:26px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
  margin-bottom:16px;
  padding-left:16px;
  position:relative;
}
.split-body h2::before{
  content:"";
  position:absolute;
  left:0;top:7px;bottom:7px;
  width:3px;border-radius:2px;
  background:var(--sand);
}
.split-body > p{
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
}
.rule-list{margin-top:24px;border-top:1px solid var(--line);}
.rule-list li{
  display:grid;
  grid-template-columns:20px minmax(0,1fr);
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
  line-height:1.75;
}
.rule-list li strong{color:var(--ink);font-weight:600;}
.rule-list li i{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--celadon);
  display:block;
  margin-top:11px;
}

/* FAQ */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:0 48px;
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 4px;
  min-height:62px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--blue);}
.faq-item summary .q-index{
  color:var(--sand);
  font-size:13px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  margin-right:10px;
}
.faq-item summary .q-text{flex:1;}
.faq-item summary .q-icon{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
}
.faq-item summary .q-icon::before,
.faq-item summary .q-icon::after{
  content:"";
  position:absolute;
  background:var(--blue);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-item summary .q-icon::before{left:0;right:0;top:8px;height:1.6px;}
.faq-item summary .q-icon::after{top:0;bottom:0;left:8px;width:1.6px;}
.faq-item[open] summary .q-icon::after{transform:scaleY(0);opacity:0;}
.faq-answer{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* CTA */
.cta-band{
  margin-top:var(--space-section);
  background:var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  padding:48px 0;
}
.cta-inner h2{
  font-size:26px;
  font-weight:600;
  color:var(--ink);
  line-height:1.4;
  margin-bottom:10px;
}
.cta-inner p{
  color:var(--ink-2);
  font-size:15.5px;
  max-width:640px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* footer */
.site-footer{
  margin-top:0;
  background:var(--panel);
  border-top:1px solid var(--line);
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--ink-2);
}
.footer-col ul li a:hover{color:var(--blue);}
.footer-col p{
  font-size:14px;
  line-height:2;
  color:var(--ink-2);
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
}
.footer-bottom .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-2);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink-2);
  font-size:13px;
}
.to-top svg{
  width:14px;height:14px;
  fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;
}
.to-top:hover{color:var(--blue);}

/* sticky conversion bar */
.sticky-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:110;
  background:var(--ink);
  color:#fff;
  padding-bottom:env(safe-area-inset-bottom);
  transform:translateY(100%);
  transition:transform .24s ease;
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-inner{
  max-width:1180px;
  margin:0 auto;
  padding:12px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:60px;
}
.sticky-inner p{
  font-size:14px;
  color:rgba(255,255,255,.82);
  line-height:1.6;
}
.sticky-inner p b{color:#fff;font-weight:600;}
.sticky-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.sticky-actions .btn-sand{
  background:var(--sand);
  color:#231A10;
  height:40px;
  padding:0 20px;
  font-size:14px;
  border-radius:var(--radius-sm);
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .2s ease,transform .2s ease;
}
.sticky-actions .btn-sand:hover{background:#D2A16B;color:#231A10;transform:translateY(-1px);}
.sticky-close{
  width:34px;height:34px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:8px;
  background:transparent;
  color:rgba(255,255,255,.72);
  cursor:pointer;
  font-size:16px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.sticky-close:hover{color:#fff;border-color:rgba(255,255,255,.5);}

/* image fallback */
.img-fallback{
  background:var(--panel);
  border:1px dashed var(--line);
}

/* responsive */
@media (max-width:1279px){
  .wrap{max-width:1120px;}
}
@media (max-width:1023px){
  :root{--space-section:72px;}
  .nav-links{gap:18px;}
  .page-hero h1{font-size:38px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;padding-bottom:44px;}
  .hero-figure{aspect-ratio:16/10;}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:24px;}
}
@media (max-width:959px){
  .nav-links,.nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .nav-inner{height:68px;}
  .section-head h2{font-size:25px;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  .wrap{padding:0 20px;}
  .page-hero{padding-top:34px;}
  .page-hero h1{font-size:31px;line-height:1.28;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-strip .strip-inner{gap:8px 24px;padding:14px 0;font-size:13px;}
  .notice-card{grid-template-columns:minmax(0,1fr);padding:24px 22px;gap:14px;}
  .principle{grid-template-columns:minmax(0,1fr);gap:10px;padding:24px 0;}
  .principle-num{font-size:22px;}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .check-item{border-right:none !important;padding:20px 22px;}
  .check-item:nth-last-child(2){border-bottom:1px solid var(--line);}
  .check-item:last-child{border-bottom:none;}
  .progress-track{grid-template-columns:repeat(2,1fr);gap:12px 16px;}
  .check-progress{padding:22px;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:0;}
  .faq-item summary{font-size:15.5px;padding:20px 2px;}
  .cta-inner h2{font-size:22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px;}
  .sticky-inner{padding:10px 20px;gap:12px;}
  .sticky-inner p{font-size:13px;}
  .sticky-bar{transform:translateY(0);}
  .sticky-close{display:none;}
  body{padding-bottom:96px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px;}
  .section-head h2{font-size:22px;}
  .split-body h2{font-size:22px;}
  .hero-figure figcaption{font-size:12px;padding:10px 12px;flex-wrap:wrap;}
  .sticky-actions .btn-sand{height:38px;padding:0 16px;font-size:13px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category5 */
:root{
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --ink:#1B2A33;
  --ink-2:#5F7078;
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --green:#6E9388;
  --sand:#C6925B;
  --sand-deep:#9A6A35;
  --warn-bg:#FFF8EE;
  --warn-line:#EAD7BC;
  --err:#B4544A;
  --ok:#4F7A64;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 10px 30px rgba(27,42,51,.06);
  --sh-2:0 16px 36px rgba(27,42,51,.09);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:78px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--blue);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--blue-deep)}
img{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{display:block}
::selection{background:rgba(63,111,142,.16)}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,247,245,.97);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);box-shadow:0 6px 16px rgba(27,42,51,.05)
}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:var(--blue);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:16.5px;font-weight:600;letter-spacing:.01em}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-link{position:relative;font-size:14.5px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nav-link:hover{color:var(--blue)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--blue)
}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-cta{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue)}
.nav-cta svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.nav-cta:hover svg{transform:translateX(3px)}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px
}
.menu-toggle span{display:block;width:17px;height:1.6px;background:var(--ink);border-radius:2px}
.menu-toggle:hover{border-color:rgba(63,111,142,.45)}

/* ---------- mobile panel ---------- */
.mobile-panel{
  position:fixed;inset:0;z-index:95;background:var(--paper);
  transform:translateY(-102%);visibility:hidden;
  transition:transform 220ms ease,visibility 220ms ease;
  display:flex;flex-direction:column;
}
.mobile-panel.is-open{transform:none;visibility:visible}
.mobile-panel-inner{padding:20px 24px 32px;display:flex;flex-direction:column;height:100%;overflow-y:auto}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.mobile-panel-title{font-size:13px;letter-spacing:.16em;color:var(--ink-2)}
.panel-close{width:40px;height:40px;border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;justify-content:center;background:#fff}
.panel-close svg{width:16px;height:16px;fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linecap:round}
.mobile-nav{display:flex;flex-direction:column;padding:18px 0 8px}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 2px;font-size:20px;color:var(--ink);border-bottom:1px solid var(--line)
}
.mobile-nav a::after{content:"›";color:var(--line);font-size:20px}
.mobile-nav a.is-active{color:var(--blue);font-weight:600}
.mobile-nav a.is-active::after{color:var(--blue)}
.mobile-cta{margin-top:auto;justify-content:center;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:47px;padding:0 24px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(63,111,142,.20)}
.btn-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(44,83,107,.24)}
.btn-ghost{background:transparent;border-color:var(--blue);color:var(--blue)}
.btn-ghost:hover{background:rgba(63,111,142,.08);color:var(--blue-deep);border-color:var(--blue-deep)}
.btn-light{background:#fff;color:var(--blue-deep);border-color:#fff}
.btn-light:hover{background:#F0F4F3;color:var(--blue-deep);transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--blue);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.text-link:hover{color:var(--blue-deep)}
.text-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:44px 0 46px;overflow:hidden;background:linear-gradient(180deg,#F8FAF8 0%,var(--paper) 100%)}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(63,111,142,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(63,111,142,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 78% 20%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 78% 20%,#000 0%,transparent 72%);
}
.page-hero .wrap{position:relative}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.08em;color:var(--sand-deep);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:18px
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--sand)}
.page-hero h1{font-size:44px;line-height:1.2;margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:580px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.meta-strip{display:flex;flex-wrap:wrap;gap:14px 30px;padding-top:18px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2)}
.meta-strip li{display:flex;align-items:center;gap:7px}
.meta-strip strong{font-size:16px;color:var(--ink);font-feature-settings:"tnum";font-weight:600}
.meta-strip li+li::before{content:"";width:1px;height:12px;background:var(--line);margin-right:8px}
.hero-figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;box-shadow:var(--sh-1)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-sm);background:var(--panel);color:transparent;font-size:0}
.hero-figure figcaption{font-size:12.5px;color:var(--ink-2);padding:11px 4px 2px}

/* ---------- filter ---------- */
.filter-block{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0}
.filter-label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:8px;font-weight:600}
.search-field{position:relative}
.search-field svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;fill:none;stroke:var(--ink-2);stroke-width:1.7;stroke-linecap:round}
.search-field input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:10px;background:#fff;
  padding:0 16px 0 46px;font-size:15px;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease)
}
.search-field input::placeholder{color:#9AA9AF}
.search-field input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(63,111,142,.14)}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;font-size:13px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  transition:color var(--ease),border-color var(--ease),background var(--ease)
}
.tag:hover{color:var(--blue);border-color:rgba(63,111,142,.4);background:rgba(63,111,142,.06)}
.filter-hint{font-size:13px;color:var(--ink-2);margin:14px 0 0;font-feature-settings:"tnum"}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section--tight{padding:64px 0}
.section--panel{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:28px;margin-bottom:12px}
.section-head .section-desc{color:var(--ink-2);font-size:15.5px;margin:0}

/* ---------- faq ---------- */
.faq-columns{row-gap:8px}
.faq-group{margin-bottom:40px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px 12px;padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.group-index{font-size:13px;font-weight:600;color:var(--sand-deep);font-feature-settings:"tnum"}
.group-head h3{font-size:21px}
.group-head p{flex:1 1 100%;font-size:13.5px;color:var(--ink-2);margin:0}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:0 6px 18px rgba(27,42,51,.04);margin-bottom:12px;
  transition:border-color var(--ease),box-shadow var(--ease)
}
.faq-item:hover{border-color:#C9D6D3;box-shadow:0 10px 24px rgba(27,42,51,.07)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  min-height:58px;padding:18px 20px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:600;line-height:1.55;color:var(--ink)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{
  position:relative;flex:0 0 24px;width:24px;height:24px;margin-top:2px;
  border:1px solid var(--line);border-radius:50%;background:#FBFCFB;transition:border-color var(--ease),background var(--ease)
}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--blue);border-radius:2px;transition:opacity var(--ease),transform var(--ease)}
.faq-ico::before{left:6px;right:6px;top:10.5px;height:1.6px}
.faq-ico::after{top:6px;bottom:6px;left:10.7px;width:1.6px}
.faq-item[open] .faq-ico{border-color:rgba(63,111,142,.45);background:rgba(63,111,142,.08)}
.faq-item[open] .faq-ico::after{opacity:0;transform:scaleY(.2)}
.faq-item[open] summary{color:var(--blue-deep)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-answer strong{color:var(--ink);font-weight:600}
.faq-empty{
  margin-top:8px;padding:22px 24px;background:var(--warn-bg);border:1px solid var(--warn-line);
  border-radius:var(--r-md);font-size:14.5px;color:var(--sand-deep)
}

/* ---------- contact card ---------- */
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.contact-card h3{font-size:19px;margin-bottom:10px}
.contact-card p{font-size:14.5px;color:var(--ink-2)}
.contact-list{margin:18px 0 20px;border-top:1px solid var(--line)}
.contact-list li{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.contact-list span:first-child{color:var(--ink-2)}
.contact-list span:last-child{color:var(--ink);font-weight:600;text-align:right}
.contact-card .btn{width:100%}

/* ---------- preflight ---------- */
.preflight-lead h2{font-size:28px;margin-bottom:12px}
.preflight-lead p{color:var(--ink-2);font-size:15.5px}
.check-row{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
.check-row:last-child{border-bottom:1px solid var(--line)}
.check-num{font-size:13px;font-weight:600;color:var(--sand-deep);font-feature-settings:"tnum";padding-top:3px}
.check-row h3{font-size:17px;margin-bottom:6px}
.check-row p{font-size:14.5px;color:var(--ink-2);margin:0}

/* ---------- cta ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:26px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-1)
}
.cta-band h2{font-size:25px;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:560px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--panel);border-top:1px solid var(--line);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 44px}
.footer-brand p{font-size:14px;color:var(--ink-2);margin:18px 0 0;max-width:320px;line-height:1.8}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--blue)}
.footer-col p{font-size:13.5px;color:var(--ink-2);line-height:1.9}
.footer-bottom{border-top:1px solid var(--line);background:var(--panel)}
.footer-bottom .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;min-height:64px;font-size:13px;color:var(--ink-2)}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.to-top:hover{color:var(--blue)}
.to-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;background:#1B2A33;color:#fff;
  transform:translateY(112%);transition:transform 220ms ease;
  padding-bottom:env(safe-area-inset-bottom)
}
.sticky-bar.is-visible{transform:none}
.sticky-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px;padding-top:9px;padding-bottom:9px}
.sticky-text{font-size:14px;margin:0;color:rgba(255,255,255,.88)}
.sticky-actions{display:flex;align-items:center;gap:10px}
.sticky-actions .btn{min-height:42px;font-size:14px;padding:0 18px}
.sticky-close{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;color:rgba(255,255,255,.6)}
.sticky-close:hover{color:#fff;background:rgba(255,255,255,.1)}
.sticky-close svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .wrap{padding:0 24px}
  .nav-links{gap:16px}
  .nav-link{font-size:14px}
  .page-hero h1{font-size:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media screen and (max-width:959px){
  .nav-links,.nav-cta{display:none}
  .menu-toggle{display:flex}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .hero-lead{max-width:100%}
  .page-hero{padding:34px 0 38px}
}
@media screen and (max-width:767px){
  body{padding-bottom:88px}
  .page-hero h1{font-size:33px}
  .page-hero .hero-figure{margin-top:30px}
  .hero-actions .btn{flex:1 1 auto}
  .cta-band{padding:26px}
  .cta-band h2{font-size:22px}
  .section-head h2{font-size:24px}
  .preflight-lead h2{font-size:24px}
  .group-head h3{font-size:19px}
  .sticky-bar .wrap{flex-wrap:nowrap}
  .sticky-text{font-size:13px;line-height:1.5;max-width:56%}
  .sticky-actions .btn{padding:0 14px;font-size:13.5px}
}
@media screen and (max-width:519px){
  .wrap{padding:0 20px}
  .page-hero h1{font-size:30px}
  .brand-sub{display:none}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .meta-strip{gap:10px 18px}
  .meta-strip li+li::before{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 34px}
  .footer-bottom .wrap{justify-content:flex-start}
  .faq-item summary{padding:16px;font-size:15px}
  .faq-answer{padding:0 16px 18px;font-size:14.5px}
  .contact-card{padding:22px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category6 */
:root{
  --blue:#3F6F8E;
  --blue-deep:#2C536B;
  --blue-soft:#E7EEF2;
  --green:#6E9388;
  --green-soft:#EAF1EE;
  --gold:#C6925B;
  --gold-deep:#9A6A35;
  --gold-soft:#FFF8EE;
  --paper:#F5F7F5;
  --card:#FFFFFF;
  --panel:#EAF0EE;
  --line:#DCE4E2;
  --line-strong:#C9D6D3;
  --ink:#1B2A33;
  --muted:#5F7078;
  --error:#B4544A;
  --success:#4F7A64;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(27,42,51,.06);
  --shadow-md:0 16px 36px rgba(27,42,51,.09);
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  padding-bottom:78px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--blue);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--blue-deep);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(63,111,142,.35);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
@media (max-width:959px){.wrap{padding:0 20px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,245,.96);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--panel);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--blue);
}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-name{display:block;font-size:16px;font-weight:600;line-height:1.3;}
.brand-sub{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.08em;line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-link{position:relative;display:inline-block;font-size:14.5px;color:var(--muted);padding:6px 0;transition:color .18s ease;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--blue-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--blue);
  padding:9px 2px;border-bottom:1px solid rgba(63,111,142,.35);
  transition:color .18s ease,border-color .18s ease;
}
.nav-cta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.nav-cta:hover{color:var(--blue-deep);border-color:var(--blue-deep);}
.nav-cta:hover svg{transform:translateX(3px);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);background:var(--card);}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .2s ease;}
@media (max-width:959px){
  .nav-links,.nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .nav-inner{min-height:66px;}
}

/* ---------- Mobile panel ---------- */
.mobile-panel{
  position:fixed;inset:0;z-index:90;
  display:none;flex-direction:column;
  background:var(--paper);
  padding:18px 20px calc(32px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.panel-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--card);}
.panel-close svg{width:16px;height:16px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;}
.panel-nav{display:flex;flex-direction:column;padding:14px 0 8px;}
.panel-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:21px;font-weight:600;color:var(--ink);
  padding:16px 4px;border-bottom:1px solid var(--line);
}
.panel-nav a span{font-size:12.5px;font-weight:400;color:var(--muted);}
.panel-nav a.is-active{color:var(--blue);}
.panel-cta{margin-top:24px;}
.panel-cta .btn{width:100%;}

/* ---------- Buttons & links ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(63,111,142,.22);}
.btn-primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(63,111,142,.26);}
.btn-primary:active{transform:none;box-shadow:0 6px 14px rgba(63,111,142,.2);}
.btn-ghost{background:transparent;border:1px solid var(--blue);color:var(--blue);}
.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-deep);border-color:var(--blue-deep);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue);}
.link-arrow svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.link-arrow:hover{color:var(--blue-deep);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{padding:60px 0 64px;border-bottom:1px solid var(--line);}
.hero-grid{margin-left:-15px;margin-right:-15px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--gold-deep);
  background:var(--gold-soft);border:1px solid #EAD7BC;border-radius:999px;
  padding:5px 14px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink);}
.hero-title{font-size:44px;line-height:1.2;font-weight:600;letter-spacing:-.01em;margin:18px 0 18px;}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:52ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.info-strip{
  display:flex;flex-wrap:wrap;gap:12px 30px;
  margin-top:30px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.info-strip li{display:flex;align-items:center;gap:8px;}
.info-strip li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);flex:0 0 auto;}
.hero-figure{
  position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--panel);
}
.hero-figure img{width:100%;height:360px;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(245,247,245,.95);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:11px 16px;
  font-size:13px;color:var(--ink);line-height:1.5;
}
.hero-badge strong{display:block;font-size:15px;color:var(--blue-deep);font-weight:600;}
@media (max-width:1023px){
  .hero{padding:44px 0 52px;}
  .hero-title{font-size:36px;}
  .hero-figure img{height:300px;}
}
@media (max-width:639px){
  .hero-title{font-size:30px;margin:14px 0 14px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-figure img{height:220px;}
  .hero-badge{left:12px;right:12px;bottom:12px;}
}

/* ---------- Section basics ---------- */
.section{padding:92px 0;}
.section--panel{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;}
.section-eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--gold-deep);
  margin-bottom:10px;
}
.section-eyebrow::before{content:"";width:24px;height:1px;background:var(--gold);}
.section-title{font-size:28px;line-height:1.32;font-weight:600;}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:58ch;}
@media (max-width:1023px){
  .section{padding:68px 0;}
  .section-title{font-size:24px;}
}
@media (max-width:767px){
  .section{padding:54px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-title{font-size:22px;}
}

/* ---------- TOC ---------- */
.toc-list{border-top:1px solid var(--line);}
.toc-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:22px;align-items:start;
  padding:24px 6px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.toc-item:hover{background:rgba(234,240,238,.55);}
.toc-num{
  font-size:13.5px;font-weight:600;color:var(--gold-deep);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;padding-top:5px;
}
.toc-title{font-size:19px;line-height:1.5;font-weight:600;}
.toc-title a{color:var(--ink);}
.toc-title a:hover{color:var(--blue);}
.toc-desc{font-size:14.5px;line-height:1.8;color:var(--muted);margin-top:7px;max-width:62ch;}
.toc-meta{font-size:12.5px;color:var(--muted);white-space:nowrap;padding-top:8px;}
@media (max-width:767px){
  .toc-item{grid-template-columns:38px 1fr;gap:14px;padding:20px 2px;}
  .toc-title{font-size:17px;}
  .toc-meta{grid-column:2;padding-top:0;margin-top:6px;}
}

/* ---------- Timeline ---------- */
.timeline-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.timeline{position:relative;padding-left:26px;border-left:1px solid var(--line-strong);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-32px;top:9px;
  width:11px;height:11px;border-radius:50%;
  background:var(--card);border:2px solid var(--blue);
}
.timeline-item:nth-child(2n)::before{border-color:var(--green);}
.timeline-step{font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--gold-deep);}
.timeline-title{font-size:19px;font-weight:600;margin:6px 0 8px;}
.timeline-text{font-size:14.5px;line-height:1.85;color:var(--muted);}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:28px;
}
.aside-card h3{font-size:18px;font-weight:600;margin-bottom:12px;}
.aside-card p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.aside-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.aside-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;}
.aside-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);margin-top:9px;flex:0 0 auto;}
.aside-card .link-arrow{margin-top:20px;}
@media (max-width:1023px){
  .timeline-grid{grid-template-columns:1fr;gap:32px;}
}

/* ---------- Pick cards ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.pick-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.pick-card:hover{box-shadow:var(--shadow-md);border-color:var(--line-strong);transform:translateY(-2px);}
.pick-media{overflow:hidden;background:var(--panel);}
.pick-media img{width:100%;height:210px;object-fit:cover;transition:transform .35s ease;}
.pick-card:hover .pick-media img{transform:scale(1.015);}
.pick-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.chip{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:12px;font-weight:600;color:var(--green);
  background:var(--green-soft);border:1px solid #D3E2DB;border-radius:999px;
  padding:3px 11px;
}
.pick-title{font-size:19px;line-height:1.5;font-weight:600;}
.pick-text{font-size:14.5px;line-height:1.85;color:var(--muted);flex:1;}
.pick-card--a{grid-column:span 7;}
.pick-card--b{grid-column:span 5;}
.pick-card--c{grid-column:span 12;flex-direction:row;}
.pick-card--c .pick-media{flex:0 0 46%;}
.pick-card--c .pick-media img{height:100%;min-height:240px;}
.pick-card--c .pick-body{padding:30px;}
@media (max-width:1023px){
  .pick-card--a,.pick-card--b{grid-column:span 12;}
  .pick-card--c{flex-direction:column;}
  .pick-card--c .pick-media{flex:none;}
  .pick-card--c .pick-media img{height:210px;min-height:0;}
}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:150px;gap:16px;}
.gallery-item{
  position:relative;overflow:hidden;border-radius:var(--radius-md);
  border:1px solid var(--line);background:var(--panel);margin:0;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.gallery-item:hover img{transform:scale(1.02);}
.gallery-item figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 16px 14px;font-size:13px;line-height:1.6;color:#fff;
  background:linear-gradient(to top,rgba(27,42,51,.78),rgba(27,42,51,0));
}
.g1{grid-column:span 5;grid-row:span 2;}
.g2{grid-column:span 4;}
.g3{grid-column:span 3;}
.g4{grid-column:span 4;}
.g5{grid-column:span 3;}
@media (max-width:1023px){
  .gallery{grid-auto-rows:140px;}
  .g1{grid-column:span 6;grid-row:span 2;}
  .g2{grid-column:span 6;}
  .g3{grid-column:span 6;}
  .g4{grid-column:span 6;}
  .g5{grid-column:span 12;}
}
@media (max-width:639px){
  .gallery{grid-template-columns:1fr;grid-auto-rows:180px;}
  .g1,.g2,.g3,.g4,.g5{grid-column:span 1;grid-row:span 1;}
}

/* ---------- Subscribe ---------- */
.subscribe-grid{margin-left:-15px;margin-right:-15px;}
.subscribe-note{
  margin-top:26px;padding:18px 20px;
  background:var(--gold-soft);border:1px solid #EAD7BC;border-radius:var(--radius-md);
  font-size:14px;line-height:1.8;color:var(--gold-deep);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:32px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.req{color:var(--gold);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line-strong);border-radius:10px;
  background:#fff;font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
  -webkit-appearance:none;appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 19px) 21px,calc(100% - 13px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:38px;
}
.field textarea{height:auto;min-height:130px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(63,111,142,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.7;color:var(--muted);}
.check-row input[type=checkbox]{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--blue);}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px;}
.form-tip{font-size:12.5px;color:var(--muted);}
.form-success{
  display:none;margin-top:18px;padding:13px 16px;
  background:#EEF5F1;border:1px solid #CFE1D7;border-radius:10px;
  font-size:14px;color:var(--success);
}
.form-success.is-visible{display:block;}
@media (max-width:639px){
  .field-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .form-actions .btn{width:100%;}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--panel);border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding:56px 0 40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--blue);}
.footer-col p{font-size:14px;line-height:1.9;color:var(--muted);}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;}
.footer-bottom .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--blue);}
.to-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.to-top:hover svg{transform:translateY(-2px);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .wrap{flex-direction:column;align-items:flex-start;}
}

/* ---------- Sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#1B2A33;color:#fff;
  padding:12px 0 calc(12px + env(safe-area-inset-bottom));
  box-shadow:0 -8px 24px rgba(27,42,51,.16);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.sticky-text{font-size:14px;color:rgba(255,255,255,.86);line-height:1.5;}
.sticky-text strong{color:#fff;font-weight:600;}
.sticky-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.sticky-actions .btn{height:44px;padding:0 22px;font-size:14px;background:var(--gold);color:#241a10;box-shadow:none;}
.sticky-actions .btn:hover{background:#D5A16C;color:#241a10;transform:translateY(-1px);}
.sticky-link{font-size:13.5px;color:rgba(255,255,255,.75);}
.sticky-link:hover{color:#fff;}
@media (max-width:767px){
  body{padding-bottom:84px;}
  .sticky-text{font-size:13px;}
  .sticky-text .hide-sm{display:none;}
  .sticky-link{display:none;}
  .sticky-actions .btn{height:42px;padding:0 18px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .pick-card:hover,.gallery-item:hover img,.pick-card:hover .pick-media img,.btn:hover{transform:none !important;}
}