/* roulang page: index */
:root{
  --ink:#0F3A33;
  --ink-deep:#08211D;
  --moss:#6E8C7F;
  --amber:#C4703A;
  --sand:#F7F4EE;
  --sand-2:#EFEAE1;
  --card:#FFFFFF;
  --text:#14201D;
  --text-2:#4A5754;
  --text-3:#8A9691;
  --line:rgba(15,58,51,.10);
  --line-strong:rgba(15,58,51,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-big:20px;
  --sh:0 1px 2px rgba(8,33,29,.04), 0 8px 24px -12px rgba(8,33,29,.18);
  --sh-hover:0 4px 10px rgba(8,33,29,.06), 0 18px 40px -18px rgba(8,33,29,.30);
  --pad-y:104px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  padding-bottom:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--amber);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}
h1,h2,h3,h4{margin:0;color:var(--ink-deep);letter-spacing:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-stuck{
  background:rgba(247,244,238,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(8,33,29,.5);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-deep);font-weight:800;font-size:19px;letter-spacing:.01em;}
.brand:hover{color:var(--ink-deep);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;stroke:#F7F4EE;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:8px;
  font-size:15.5px;color:var(--text-2);font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(15,58,51,.05);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink-deep);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:10px;}

/* ---------- buttons ---------- */
.btn{font-weight:600;border-radius:var(--r-btn);transition:all .22s ease;display:inline-flex;align-items:center;gap:8px;justify-content:center;text-align:center;}
.btn-primary{
  background:var(--ink);color:var(--sand);border:1px solid var(--ink);
  height:48px;padding:0 26px;font-size:15.5px;
}
.btn-primary:hover,.btn-primary:focus{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;box-shadow:var(--sh);}
.btn-primary .arrow{transition:transform .22s ease;}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid var(--line-strong);
  height:48px;padding:0 26px;font-size:15.5px;
}
.btn-ghost:hover,.btn-ghost:focus{background:var(--sand-2);border-color:var(--ink);color:var(--ink-deep);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-onlight{background:var(--sand);color:var(--ink-deep);border:1px solid var(--sand);height:48px;padding:0 26px;font-size:15.5px;}
.btn-onlight:hover{background:transparent;color:var(--sand);border-color:var(--sand);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--ink);
  position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.text-link:hover::after{transform:scaleX(1);}
.text-link .arrow{transition:transform .22s ease;}
.text-link:hover .arrow{transform:translateX(3px);}

/* ---------- badges / labels ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--sand-2);color:var(--ink);border-radius:999px;
  font-size:12px;letter-spacing:.06em;padding:4px 10px;font-weight:600;
}
.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--amber);font-weight:700;text-transform:uppercase;}

/* ---------- hero ---------- */
.hero{padding:56px 0 88px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 460px at 82% 8%,rgba(110,140,127,.18),transparent 68%);
}
.hero-inner{position:relative;}
.hero h1{font-size:clamp(32px,5.2vw,56px);line-height:1.15;font-weight:800;letter-spacing:0;margin-bottom:20px;color:var(--ink-deep);}
.hero-sub{font-size:17.5px;line-height:1.8;color:var(--text-2);max-width:34em;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:42px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);padding-top:26px;max-width:560px;}
.hero-stats .stat-num{font-size:clamp(24px,3.4vw,34px);font-weight:800;color:var(--ink);line-height:1.1;}
.hero-stats .stat-label{font-size:12.5px;color:var(--text-3);margin-top:6px;letter-spacing:.02em;}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure .fig-badge{
  position:absolute;top:14px;left:14px;background:rgba(247,244,238,.94);color:var(--ink-deep);
  font-size:12px;font-weight:700;letter-spacing:.06em;padding:5px 11px;border-radius:999px;
  border:1px solid rgba(15,58,51,.12);
}
.hero-figure .fig-note{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(to top,rgba(8,33,29,.82),rgba(8,33,29,0));
  color:#F3EFE7;font-size:13.5px;line-height:1.6;
}

/* ---------- section shell ---------- */
.section{padding:var(--pad-y) 0;}
.section-alt{background:var(--sand-2);}
.section-head{margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700;color:var(--ink-deep);}
.section-desc{font-size:15.5px;color:var(--text-2);max-width:30em;line-height:1.75;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}

/* ---------- pain list ---------- */
.pain-list{border-top:1px solid var(--line);}
.pain-row{
  display:grid;grid-template-columns:104px 1fr 48px;align-items:center;gap:24px;
  padding:28px 16px;border-bottom:1px solid var(--line);border-radius:10px;
  transition:background .22s ease,transform .22s ease;
}
.pain-row:hover{background:rgba(239,234,225,.7);}
.pain-idx{
  font-size:40px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px var(--amber);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.pain-row h3{font-size:19px;font-weight:700;margin-bottom:4px;color:var(--ink-deep);}
.pain-row p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.7;}
.pain-ico{width:44px;height:44px;border-radius:11px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--card);}
.pain-ico svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- solution ---------- */
.solution-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:88px;}
.solution-block:last-child{margin-bottom:0;}
.solution-block.reverse .sol-media{order:2;}
.sol-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);}
.sol-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease;}
.sol-media:hover img{transform:scale(1.03);}
.sol-body h3{font-size:clamp(21px,2.2vw,26px);font-weight:700;margin:12px 0 14px;color:var(--ink-deep);line-height:1.4;}
.sol-body p{font-size:15.5px;color:var(--text-2);line-height:1.85;margin-bottom:20px;}
.check-list{display:grid;gap:12px;margin-bottom:26px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.7;}
.check-list li svg{width:19px;height:19px;flex:0 0 auto;margin-top:4px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- results (dark) ---------- */
.results{background:var(--ink-deep);color:#EDEAE3;padding:var(--pad-y) 0;border-radius:0;}
.results h2{color:#F7F4EE;font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700;}
.results .lead-note{color:rgba(237,234,227,.72);font-size:15.5px;max-width:26em;line-height:1.8;margin-top:16px;}
.result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
.result-item .r-num{font-size:clamp(34px,4.6vw,52px);font-weight:800;line-height:1;color:#F7F4EE;letter-spacing:.01em;}
.result-item .r-num span{color:var(--amber);}
.result-item .r-label{font-size:14px;color:rgba(237,234,227,.7);margin-top:12px;line-height:1.65;}
.results .divider-line{height:1px;background:rgba(247,244,238,.16);margin:48px 0 22px;}
.timeline-scale{display:flex;justify-content:space-between;font-size:12px;color:rgba(237,234,227,.42);letter-spacing:.08em;}

/* ---------- testimonials ---------- */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.quote-card{
  background:var(--sand-2);border-radius:var(--r-card);padding:34px 32px;
  display:flex;flex-direction:column;gap:18px;
}
.quote-mark{font-size:44px;line-height:.7;color:var(--amber);font-weight:800;}
.quote-card p{font-size:18.5px;line-height:1.72;color:var(--ink-deep);font-weight:500;margin:0;}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px;}
.avatar-letter{
  width:42px;height:42px;border-radius:50%;background:var(--ink);color:var(--sand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:0 0 auto;
}
.quote-meta .who{font-size:14.5px;font-weight:700;color:var(--ink-deep);line-height:1.4;}
.quote-meta .role{font-size:13px;color:var(--text-3);}

/* ---------- CMS list ---------- */
.cms-section{background:var(--sand);}
.cms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;min-height:180px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(196,112,58,.34);}
.post-card .post-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.post-card h3{
  font-size:19px;font-weight:700;line-height:1.5;color:var(--ink-deep);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card h3 a{color:inherit;}
.post-card .post-sum{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;border-top:1px solid var(--line);}
.post-date{font-size:13px;color:var(--text-3);}
.post-arrow{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:all .22s ease;color:var(--ink);}
.post-card:hover .post-arrow{background:var(--ink);border-color:var(--ink);color:var(--sand);transform:translateX(2px);}
.post-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.cms-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--text-2);font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;background:transparent;border:0;text-align:left;
  font-size:17.5px;font-weight:600;color:var(--ink-deep);line-height:1.6;cursor:pointer;
  transition:color .2s ease;
}
.faq-btn:hover{color:var(--ink);}
.faq-btn[aria-expanded="true"]{color:var(--ink);}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-btn[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-body{padding:0 4px 26px;font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:62em;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{color:#F7F4EE;font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
.cta-inner p{color:rgba(247,244,238,.76);font-size:15.5px;margin-top:12px;max-width:34em;line-height:1.8;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(237,234,227,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand .brand-mark{background:rgba(247,244,238,.14);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(237,234,227,.62);margin-top:16px;max-width:22em;}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:#F7F4EE;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:var(--moss);font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(237,234,227,.62);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(247,244,238,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,234,227,.45);
}

/* ---------- fade up ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.2,.7,.3,1),transform .4s cubic-bezier(.2,.7,.3,1);}
.fade-up.in{opacity:1;transform:none;}

/* ---------- mobile tab bar ---------- */
.tabbar{display:none;}
@media (max-width:991.98px){
  :root{--pad-y:76px;}
  .desktop-nav{display:none;}
  .header-inner{height:66px;}
  .hero{padding:36px 0 64px;}
  .hero-stats{max-width:none;}
  .solution-block{grid-template-columns:1fr;gap:28px;margin-bottom:64px;}
  .solution-block.reverse .sol-media{order:0;}
  .result-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:1fr;}
  .cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  :root{--pad-y:56px;}
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom));}
  .container{padding-left:20px;padding-right:20px;}
  .hero h1{font-size:clamp(27px,7.4vw,36px);}
  .hero-sub{font-size:16px;}
  .hero-cta{gap:10px;}
  .btn-primary,.btn-ghost,.btn-onlight{height:46px;padding:0 20px;font-size:15px;flex:1 1 auto;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-stats{gap:10px;padding-top:22px;}
  .hero-stats .stat-label{font-size:11.5px;line-height:1.5;}
  .pain-row{grid-template-columns:56px 1fr;gap:14px;padding:22px 10px;}
  .pain-idx{font-size:28px;-webkit-text-stroke:1.1px var(--amber);}
  .pain-ico{display:none;}
  .cms-grid{grid-template-columns:1fr;}
  .result-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .quote-card{padding:26px 22px;}
  .quote-card p{font-size:17px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;
    background:rgba(247,244,238,.98);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px -16px rgba(8,33,29,.6);
  }
  .tabbar a{
    flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    min-height:60px;padding:8px 2px 6px;font-size:10.5px;color:var(--text-3);position:relative;
  }
  .tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .tabbar a.active{color:var(--ink);font-weight:700;}
  .tabbar a.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:2px;background:var(--ink);
  }
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .fade-up{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0F3A33;
  --ink-deep:#08211D;
  --moss:#6E8C7F;
  --amber:#C4703A;
  --sand:#F7F4EE;
  --sand-alt:#EFEAE1;
  --card:#FFFFFF;
  --text:#14201D;
  --text-2:#4A5754;
  --muted:#8A9691;
  --border:rgba(15,58,51,.10);
  --border-strong:rgba(15,58,51,.20);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-sm:0 1px 2px rgba(8,33,29,.04), 0 8px 24px -12px rgba(8,33,29,.18);
  --shadow-md:0 2px 6px rgba(8,33,29,.06), 0 18px 44px -18px rgba(8,33,29,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--amber);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:0;line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(196,112,58,.45);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(196,112,58,.22);color:var(--ink-deep);}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--sand);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom-color:var(--border);
  box-shadow:0 10px 30px -24px rgba(8,33,29,.7);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:76px;
}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:9px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.brand:hover .brand-mark{background:var(--ink-deep);transform:translateY(-1px);}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:#F7F4EE;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:19px;letter-spacing:.02em;white-space:nowrap;}
.desktop-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--text-2);transition:color .24s var(--ease),background .24s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(15,58,51,.06);}
.nav-link.active{color:var(--ink);font-weight:700;background:rgba(15,58,51,.09);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .26s var(--ease);}
.btn:hover svg{transform:translateX(3px);}
.btn-primary{background:var(--ink);color:var(--sand);border-color:var(--ink);}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#F7F4EE;box-shadow:0 12px 26px -16px rgba(8,33,29,.85);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--sand-alt);border-color:var(--ink);color:var(--ink-deep);}
.btn-sand{background:var(--sand);color:var(--ink);border-color:var(--sand);}
.btn-sand:hover{background:transparent;color:var(--sand);border-color:rgba(247,244,238,.55);}
.btn-line{background:transparent;color:var(--sand);border-color:rgba(247,244,238,.35);}
.btn-line:hover{background:rgba(247,244,238,.10);color:#fff;border-color:rgba(247,244,238,.7);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  background:var(--sand-alt);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.7;
  white-space:nowrap;
}
.badge-amber{background:rgba(196,112,58,.12);color:#A2571F;}
.badge-line{background:transparent;border:1px solid var(--border-strong);color:var(--text-2);}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:var(--sand-alt);
  border-bottom:1px solid var(--border);
  padding:48px 0 56px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--amber);}
.breadcrumb .sep{color:rgba(15,58,51,.28);}
.breadcrumb .current{color:var(--text-2);max-width:22ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.22;font-weight:800;letter-spacing:0;
  max-width:900px;margin-bottom:22px;color:var(--ink-deep);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--text-2);
  padding-top:20px;border-top:1px solid var(--border);
  max-width:900px;
}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(15,58,51,.28);}
.meta-item svg{width:15px;height:15px;fill:none;stroke:var(--moss);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 主体布局 ---------- */
.article-main{padding:64px 0 80px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:48px;
  justify-content:space-between;
  align-items:start;
}
.article-panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-block);
  box-shadow:var(--shadow-sm);
  padding:44px 48px;
}

/* ---------- 正文排版 ---------- */
.article-body{max-width:100%;font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;font-size:17px;line-height:1.9;}
.article-body h2{
  font-size:28px;line-height:1.35;margin:44px 0 16px;
  color:var(--ink-deep);position:relative;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:1.05em;border-radius:3px;background:var(--amber);
}
.article-body h3{font-size:22px;line-height:1.45;margin:34px 0 12px;color:var(--ink);}
.article-body h4{font-size:18px;line-height:1.5;margin:26px 0 10px;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding:0;list-style:none;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:17px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.82em;
  width:8px;height:2px;border-radius:2px;background:var(--amber);
}
.article-body ol{counter-reset:cmsli;}
.article-body ol li{
  position:relative;padding-left:32px;margin-bottom:10px;counter-increment:cmsli;
  font-size:17px;line-height:1.85;
}
.article-body ol li::before{
  content:counter(cmsli,decimal-leading-zero);
  position:absolute;left:0;top:.18em;
  font-size:12px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.article-body li > ul,.article-body li > ol{margin-top:10px;}
.article-body blockquote{
  margin:28px 0;padding:20px 22px;
  background:rgba(239,234,225,.72);
  border-left:3px solid var(--amber);
  border-radius:0 10px 10px 0;
  color:var(--text-2);font-size:16.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);width:100%;height:auto;margin:26px 0;}
.article-body figure{margin:26px 0;}
.article-body figure img{margin:0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7;}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--amber);}
.article-body strong{color:var(--ink-deep);font-weight:700;}
.article-body code{background:var(--sand-alt);color:var(--ink-deep);padding:2px 6px;border-radius:5px;font-size:14px;}
.article-body pre{background:var(--ink-deep);color:#E7EEE9;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.75;margin:26px 0;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:34px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap;}
.article-body th{
  background:var(--sand-alt);color:var(--ink);font-weight:700;
  border:1px solid var(--border);padding:11px 14px;text-align:left;
}
.article-body td{border:1px solid var(--border);padding:11px 14px;color:var(--text-2);}
.article-body tbody tr:nth-child(even) td{background:rgba(239,234,225,.45);}

/* ---------- 文末 ---------- */
.article-foot{
  margin-top:40px;padding-top:26px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  padding:10px 18px;border:1px solid var(--border-strong);border-radius:999px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.back-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.back-link:hover{background:var(--ink);border-color:var(--ink);color:var(--sand);}

/* ---------- 空状态 ---------- */
.empty-state{text-align:center;padding:40px 10px;}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{color:var(--text-2);font-size:16px;margin-bottom:24px;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;}
@media (min-width:992px){
  .sidebar{position:sticky;top:100px;align-self:start;}
}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink-deep);
  letter-spacing:.04em;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--amber);}
.info-list{display:flex;flex-direction:column;gap:0;}
.info-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--border);
  font-size:13.5px;color:var(--text-2);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0;}
.info-list li span:first-child{color:var(--muted);flex:0 0 auto;}
.info-list li span:last-child{text-align:right;color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{
  display:block;padding-bottom:14px;border-bottom:1px solid var(--border);
}
.rel-item:last-child{border-bottom:0;padding-bottom:0;}
.rel-item .rel-title{
  display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;
  margin-bottom:6px;
  transition:color .24s var(--ease);
}
.rel-item:hover .rel-title{color:var(--amber);}
.rel-item .rel-meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- 相关推荐（横向卡） ---------- */
.related-section{padding:0 0 84px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;color:var(--ink-deep);}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;max-width:56ch;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;white-space:nowrap;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--amber);
  transition:width .26s var(--ease);
}
.text-link:hover{color:var(--amber);}
.text-link:hover::after{width:100%;}
.text-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .26s var(--ease);}
.text-link:hover svg{transform:translateX(3px);}

.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(196,112,58,.34);
  box-shadow:var(--shadow-md);
  color:inherit;
}
.rel-thumb{
  flex:0 0 132px;width:132px;aspect-ratio:16/10;
  border-radius:var(--radius-img);overflow:hidden;background:var(--sand-alt);
}
.rel-thumb img{width:100%;height:100%;transition:transform .5s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.rel-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;color:var(--ink-deep);}
.rel-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body .rel-meta{font-size:12.5px;color:var(--muted);}

/* ---------- 深色 CTA ---------- */
.cta-section{padding:0 0 96px;}
.cta-box{
  background:var(--ink);
  border-radius:var(--radius-block);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,112,58,.34),rgba(196,112,58,0) 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy .badge{background:rgba(247,244,238,.14);color:#E9EDE7;border:1px solid rgba(247,244,238,.2);}
.cta-copy h2{color:#F7F4EE;font-size:clamp(24px,3vw,34px);line-height:1.32;margin:14px 0 12px;}
.cta-copy p{color:rgba(247,244,238,.74);font-size:15.5px;line-height:1.8;margin:0;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#93A8A0;padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;
  gap:44px;padding-bottom:52px;
}
.site-footer .brand{color:#F7F4EE;margin-bottom:16px;}
.site-footer .brand:hover{color:#F7F4EE;}
.site-footer .brand-mark{background:rgba(247,244,238,.12);}
.site-footer .brand-mark svg{stroke:#F7F4EE;}
.footer-brand p{font-size:14px;line-height:1.85;color:#8FA49C;margin:0;max-width:34ch;}
.footer-col h4{font-size:14px;color:#F7F4EE;margin-bottom:16px;letter-spacing:.06em;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul li a{color:#8FA49C;font-size:14px;line-height:1.6;transition:color .24s var(--ease);}
.footer-col ul li a:hover{color:#F7F4EE;}
.footer-col p{font-size:13.5px;line-height:1.85;color:#8FA49C;margin:0;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid rgba(247,244,238,.10);
  padding:22px 0 26px;
  font-size:13px;color:#71867E;
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none;}
@media (max-width:991px){
  body{padding-bottom:78px;}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;
    background:rgba(255,255,255,.97);
    backdrop-filter:saturate(150%) blur(12px);
    border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -10px 30px -22px rgba(8,33,29,.6);
  }
  .tab-item{
    flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;padding:9px 2px 8px;min-height:56px;
    color:var(--muted);font-size:10.5px;font-weight:600;letter-spacing:.02em;
    position:relative;
  }
  .tab-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .tab-item:hover{color:var(--moss);}
  .tab-item.active{color:var(--ink);}
  .tab-item.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:2px;background:var(--ink);
  }
}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);}
.fade-up.in{opacity:1;transform:none;transition:opacity .4s var(--ease),transform .4s var(--ease);}

/* ---------- 响应式断点 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
  .article-panel{padding:38px 34px;}
  .rel-thumb{flex-basis:112px;width:112px;}
}
@media (max-width:991px){
  .desktop-nav{display:none;}
  .header-inner{height:66px;}
  .brand-text{font-size:17px;}
  .article-hero{padding:36px 0 40px;}
  .article-main{padding:44px 0 56px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px;}
  .article-panel{padding:30px 24px;border-radius:16px;}
  .sidebar{position:static;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-box{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:26px;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .site-footer{padding-top:56px;}
  .related-section{padding-bottom:60px;}
  .cta-section{padding-bottom:64px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .article-hero h1{font-size:clamp(24px,6.4vw,32px);}
  .article-body p,.article-body ul li,.article-body ol li{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:22px;margin:34px 0 12px;}
  .article-body h3{font-size:19px;margin:26px 0 10px;}
  .article-body blockquote{font-size:15.5px;padding:16px 18px;}
  .article-panel{padding:24px 18px;}
  .rel-card{flex-direction:column;gap:14px;}
  .rel-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/10;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-box{padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12.5px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .btn{height:46px;padding:0 22px;}
  .header-actions .btn-sm{height:38px;padding:0 16px;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;border-radius:8px;}
  .brand-mark svg{width:19px;height:19px;}
  .meta-row{gap:10px;font-size:12.5px;}
  .breadcrumb{font-size:12px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .fade-up{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#0F3A33;
  --ink-deep:#08211D;
  --moss:#6E8C7F;
  --amber:#C4703A;
  --sand:#F7F4EE;
  --sand-2:#EFEAE1;
  --card:#FFFFFF;
  --text:#14201D;
  --muted:#4A5754;
  --faint:#8A9691;
  --line:rgba(15,58,51,.10);
  --line-strong:rgba(15,58,51,.18);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow:0 1px 2px rgba(8,33,29,.04),0 8px 24px -12px rgba(8,33,29,.18);
  --shadow-hover:0 2px 6px rgba(8,33,29,.06),0 20px 40px -20px rgba(8,33,29,.30);
  --container:1200px;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#14201D;
  --bs-body-bg:#F7F4EE;
  --bs-link-color:#0F3A33;
  --bs-link-hover-color:#C4703A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (max-width:991.98px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom));}
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--amber);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(196,112,58,.22);color:var(--ink-deep);}

/* ---------- 容器与栅格 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:1199.98px){.container{max-width:100%;}}
@media (max-width:767.98px){.container{padding-left:20px;padding-right:20px;}}

.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--sand-2);}
@media (max-width:991.98px){.section{padding:72px 0;}.section-tight{padding:56px 0;}}
@media (max-width:767.98px){.section{padding:56px 0;}.section-tight{padding:48px 0;}}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--moss);text-transform:uppercase;
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--amber);border-radius:2px;display:inline-block;}
.h2-title{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:48px;
}
.section-head .lead-line{
  max-width:380px;font-size:15px;color:var(--muted);line-height:1.8;margin:0;
}
@media (max-width:767.98px){
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .section-head .lead-line{max-width:100%;}
}
.text-muted-soft{color:var(--muted);}
.text-faint{color:var(--faint);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;
  white-space:nowrap;
}
.btn .arw{transition:transform .22s ease;display:inline-block;}
.btn:hover .arw{transform:translateX(3px);}
.btn.btn-primary,
.btn.btn-primary:focus{
  background:var(--ink) !important;
  border-color:var(--ink) !important;
  color:var(--sand) !important;
  box-shadow:none;
}
.btn.btn-primary:hover{
  background:var(--ink-deep) !important;
  border-color:var(--ink-deep) !important;
  color:#fff !important;
  box-shadow:0 10px 22px -12px rgba(8,33,29,.65);
}
.btn.btn-ghost,
.btn.btn-ghost:focus{
  background:transparent !important;
  border:1px solid var(--ink) !important;
  color:var(--ink) !important;
}
.btn.btn-ghost:hover{
  background:var(--sand-2) !important;
  border-color:var(--ink) !important;
  color:var(--ink-deep) !important;
}
.btn.btn-light-sand,
.btn.btn-light-sand:focus{
  background:var(--sand) !important;
  border-color:var(--sand) !important;
  color:var(--ink) !important;
}
.btn.btn-light-sand:hover{
  background:transparent !important;
  border-color:var(--sand) !important;
  color:var(--sand) !important;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease,background-color .24s ease;
}
.text-link:hover{color:var(--amber);}
.text-link:hover::after{transform:scaleX(1);background:var(--amber);}

/* ---------- 徽章与标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  background:var(--sand-2);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line);
}
.badge-amber{
  background:rgba(196,112,58,.12);
  color:#8E4E22;
  border-color:rgba(196,112,58,.24);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
  background:rgba(247,244,238,.96);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -16px rgba(8,33,29,.6);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;
}
.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:9px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{
  width:20px;height:20px;fill:none;stroke:var(--sand);
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;}
.desktop-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--ink);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease,background-color .24s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(15,58,51,.05);}
.nav-link:hover::after{transform:scaleX(.7);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}

@media (max-width:991.98px){
  .desktop-nav{display:none;}
  .header-inner{height:66px;}
  .brand-text{font-size:16px;}
  .header-actions .btn{height:38px;padding:0 16px;font-size:13px;}
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(247,244,238,.97);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 24px -20px rgba(8,33,29,.8);
}
.mobile-tabbar .tab-inner{
  display:flex;align-items:stretch;justify-content:space-around;
  max-width:520px;margin:0 auto;
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:64px;padding:8px 4px;
  font-size:10px;line-height:1.2;font-weight:500;color:var(--faint);
  position:relative;
}
.tab-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.tab-item::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s ease;
}
.tab-item.active{color:var(--ink);font-weight:600;}
.tab-item.active::before{transform:translateX(-50%) scaleX(1);}
.tab-item:hover{color:var(--ink);}
@media (max-width:991.98px){.mobile-tabbar{display:block;}}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--faint);
  padding-top:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--amber);}
.crumb .sep{color:rgba(15,58,51,.28);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:20px 0 76px;background:var(--sand);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(31px,4.6vw,52px);
  line-height:1.16;font-weight:800;
  margin:16px 0 18px;letter-spacing:0;
}
.hero .subline{
  font-size:clamp(16px,1.5vw,19px);font-weight:600;color:var(--ink);
  line-height:1.6;margin-bottom:14px;
}
.hero .desc{
  font-size:16px;line-height:1.85;color:var(--muted);
  max-width:34em;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:440px;}
.hero-stat{border-top:1px solid var(--line-strong);padding-top:14px;}
.hero-stat .num{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:.02em;
}
.hero-stat .lbl{font-size:12px;color:var(--faint);line-height:1.5;margin-top:4px;}
.hero-figure{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure figcaption{
  font-size:12px;color:var(--faint);padding:10px 14px;
  border-top:1px solid var(--line);background:#fff;line-height:1.6;
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding:8px 0 56px;}
  .hero-figure{order:2;}
  .hero-stats{max-width:100%;}
}
@media (max-width:520px){
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:12px;}
  .hero-stat .lbl{font-size:11px;}
}

/* ---------- 步骤时间轴 ---------- */
.steps{position:relative;margin-top:8px;}
.steps::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,var(--line-strong),rgba(15,58,51,.06));
}
.step{position:relative;padding-left:74px;padding-bottom:40px;}
.step:last-child{padding-bottom:0;}
.step-dot{
  position:absolute;left:0;top:0;
  width:47px;height:47px;border-radius:50%;
  background:var(--sand);
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;
  transition:border-color .24s ease,color .24s ease,background-color .24s ease;
}
.step:hover .step-dot{border-color:rgba(196,112,58,.6);color:var(--amber);background:#fff;}
.step-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.step:hover .step-body{transform:translateY(-4px);border-color:rgba(196,112,58,.30);box-shadow:var(--shadow-hover);}
.step-body h3{font-size:19px;line-height:1.45;font-weight:600;margin-bottom:8px;}
.step-body p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:12px;}
.step-note{
  display:flex;gap:8px;align-items:flex-start;
  font-size:13px;line-height:1.7;color:#8E4E22;
  background:rgba(196,112,58,.09);
  border-left:3px solid var(--amber);
  border-radius:0 8px 8px 0;
  padding:10px 14px;
}
.step-note b{font-weight:700;flex:0 0 auto;}
@media (max-width:767.98px){
  .steps::before{left:18px;}
  .step{padding-left:56px;padding-bottom:28px;}
  .step-dot{width:37px;height:37px;font-size:12px;}
  .step-body{padding:20px;}
  .step-body h3{font-size:17px;}
}

/* ---------- 接入方式对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 28px 12px;box-shadow:var(--shadow);
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.compare-col:hover{transform:translateY(-4px);border-color:rgba(196,112,58,.30);box-shadow:var(--shadow-hover);}
.compare-col.is-primary{border-color:rgba(15,58,51,.28);}
.compare-col .col-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.compare-col h3{font-size:20px;font-weight:700;}
.compare-col .col-sub{font-size:13px;color:var(--faint);margin-bottom:18px;}
.compare-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:13px 0;border-top:1px solid var(--line);
  font-size:14px;line-height:1.7;
}
.compare-row dt{color:var(--faint);flex:0 0 auto;font-weight:500;margin:0;}
.compare-row dd{color:var(--text);margin:0;text-align:right;font-weight:600;}
@media (max-width:767.98px){
  .compare{grid-template-columns:1fr;}
  .compare-col{padding:22px 20px 8px;}
  .compare-row{flex-direction:column;gap:4px;}
  .compare-row dd{text-align:left;}
}

/* ---------- 检查清单 ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 0;border-bottom:1px dashed var(--line);
  font-size:15px;line-height:1.7;color:var(--text);
}
.check-item .tick{
  flex:0 0 auto;width:20px;height:20px;margin-top:2px;
  border-radius:6px;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);background:var(--sand-2);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.check-item .tick svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.check-item:hover .tick{background:var(--ink);border-color:var(--ink);color:var(--sand);}
.check-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-block);
  padding:12px 32px;box-shadow:var(--shadow);
}
@media (max-width:767.98px){
  .check-grid{grid-template-columns:1fr;gap:0;}
  .check-wrap{padding:6px 20px;}
}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;
}
.faq .accordion-item:first-of-type{border-top:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;
  padding:22px 56px 22px 0;
  font-size:17px;font-weight:600;color:var(--text);
  line-height:1.6;box-shadow:none;
  display:flex;align-items:center;
  position:relative;
}
.faq .accordion-button:not(.collapsed){
  background:transparent;color:var(--ink);box-shadow:none;
}
.faq .accordion-button::after{display:none;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid rgba(15,58,51,.35);outline-offset:-4px;}
.faq .accordion-button .faq-sign{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;
}
.faq .accordion-button .faq-sign::before,
.faq .accordion-button .faq-sign::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .24s ease,background-color .24s ease;
}
.faq .accordion-button .faq-sign::before{left:0;top:9px;width:20px;height:2px;}
.faq .accordion-button .faq-sign::after{left:9px;top:0;width:2px;height:20px;}
.faq .accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(90deg);}
.faq .accordion-button:not(.collapsed) .faq-sign::before{background:var(--amber);}
.faq .accordion-button:not(.collapsed) .faq-sign::after{background:var(--amber);}
.faq .accordion-body{
  padding:0 56px 24px 0;
  font-size:15px;line-height:1.85;color:var(--muted);
}
.faq .accordion-body p:last-child{margin-bottom:0;}
@media (max-width:767.98px){
  .faq .accordion-button{font-size:16px;padding:18px 44px 18px 0;}
  .faq .accordion-body{padding:0 0 20px 0;}
}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-radius:var(--radius-block);
  padding:56px 56px;
  color:var(--sand);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(8,33,29,.94) 0%,rgba(8,33,29,.72) 55%,rgba(8,33,29,.42) 100%),
                   url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.9;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-band h2{color:var(--sand);font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:10px;}
.cta-band p{color:rgba(247,244,238,.78);font-size:15px;line-height:1.8;margin:0;max-width:42em;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}
@media (max-width:991.98px){
  .cta-band{padding:36px 26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{flex:1 1 auto;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(247,244,238,.72);padding:64px 0 28px;margin-top:0;}
.site-footer .brand-text{color:var(--sand);}
.site-footer .brand-mark{background:rgba(247,244,238,.10);}
.site-footer .brand-mark svg{stroke:var(--sand);}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(247,244,238,.12);
}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,244,238,.62);margin-top:16px;max-width:30em;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--sand);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--moss);font-size:14px;line-height:1.7;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(247,244,238,.62);margin:0;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(247,244,238,.48);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767.98px){
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.2,.7,.3,1),transform .4s cubic-bezier(.2,.7,.3,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .btn,.btn .arw,.nav-link::after,.text-link::after,.step-body,.step-dot,.compare-col,.faq .accordion-button .faq-sign::before,.faq .accordion-button .faq-sign::after{transition:none !important;}
  .step:hover .step-body,.compare-col:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --green:#0F3A33;
  --green-deep:#08211D;
  --sage:#6E8C7F;
  --amber:#C4703A;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE1;
  --card:#FFFFFF;
  --ink:#14201D;
  --ink-2:#4A5754;
  --muted:#8A9691;
  --border:rgba(15,58,51,.10);
  --border-strong:rgba(15,58,51,.22);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --shadow:0 1px 2px rgba(8,33,29,.04),0 8px 24px -12px rgba(8,33,29,.18);
  --shadow-hover:0 2px 4px rgba(8,33,29,.05),0 18px 36px -16px rgba(8,33,29,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
a{color:var(--green);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--amber);}
img{max-width:100%;display:block;border-radius:var(--r-img);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1200px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,238,.86);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:#F7F4EE;
  border-bottom-color:var(--border);
  box-shadow:0 10px 24px -22px rgba(8,33,29,.65);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--green);flex:0 0 auto;}
.brand:hover{color:var(--green);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:#F7F4EE;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;}
.desktop-nav{display:none;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--green);background:rgba(15,58,51,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--green);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
@media(min-width:992px){
  .desktop-nav{display:flex;margin-left:32px;}
  .header-actions{margin-left:auto;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
  cursor:pointer;
}
.btn .arrow{display:inline-block;transition:transform .22s var(--ease);font-size:15px;}
.btn:hover .arrow{transform:translateX(3px);}
.btn-primary{background:var(--green);color:#F7F4EE;box-shadow:0 1px 2px rgba(8,33,29,.06);}
.btn-primary:hover{background:var(--green-deep);color:#F7F4EE;box-shadow:0 14px 26px -18px rgba(8,33,29,.9);}
.btn-primary:active{background:#061815;color:#F7F4EE;}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--bg-alt);color:var(--green);border-color:var(--green);}
.btn-light{background:#F7F4EE;color:var(--green);border-color:#F7F4EE;}
.btn-light:hover{background:transparent;color:#F7F4EE;border-color:rgba(247,244,238,.7);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.text-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--green);
}
.text-link::after{
  content:"";position:absolute;left:0;right:20px;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left center;transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link:hover{color:var(--amber);}

/* ---------- badges / labels ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;background:var(--bg-alt);
  color:var(--green);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.tag-amber{background:rgba(196,112,58,.12);color:#9A5327;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--sage);text-transform:uppercase;
}

/* ---------- hero (centered) ---------- */
.hero-center{
  position:relative;overflow:hidden;
  padding:74px 0 66px;
  text-align:center;
  background:var(--bg-alt);
  border-bottom:1px solid var(--border);
}
.hero-center::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.hero-center .container{position:relative;z-index:1;}
.hero-center h1{
  font-size:clamp(30px,5.4vw,56px);line-height:1.18;font-weight:800;
  letter-spacing:0;margin:16px auto 0;max-width:16em;color:var(--green-deep);
}
.hero-center .lead{
  margin:18px auto 0;max-width:34em;font-size:17px;line-height:1.8;color:var(--ink-2);
}
.hero-center .hero-actions{margin-top:30px;display:flex;justify-content:center;flex-wrap:wrap;gap:12px;}
.crumbs{
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--green);}
.crumbs .sep{color:rgba(15,58,51,.28);}

/* ---------- facts strip ---------- */
.facts{border-bottom:1px solid var(--border);background:var(--bg);}
.facts-inner{
  display:grid;grid-template-columns:1fr;gap:0;
  padding:26px 0;
}
.fact{
  display:flex;align-items:baseline;gap:10px;padding:14px 8px;
  border-bottom:1px solid var(--border);
}
.fact:last-child{border-bottom:none;}
.fact-num{font-size:30px;font-weight:800;color:var(--green);line-height:1;letter-spacing:.02em;}
.fact-label{font-size:13px;color:var(--ink-2);line-height:1.5;}
@media(min-width:768px){
  .facts-inner{grid-template-columns:repeat(3,1fr);padding:30px 0;}
  .fact{border-bottom:none;border-right:1px solid var(--border);justify-content:center;padding:4px 16px;}
  .fact:last-child{border-right:none;}
}

/* ---------- section base ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1200px){.section{padding:96px 0;}}
.section-head{max-width:44em;}
.section-head h2{
  font-size:clamp(25px,3.3vw,36px);line-height:1.28;font-weight:700;color:var(--green-deep);margin-top:12px;
}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:32em;}

/* ---------- two column content ---------- */
.content-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-top:40px;}
@media(min-width:992px){
  .content-grid{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:44px;align-items:start;}
}
.article-col{min-width:0;}
.content-block{
  padding:0 0 34px;margin-bottom:34px;border-bottom:1px solid var(--border);
}
.content-block:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.content-block h3{
  font-size:clamp(20px,2.2vw,24px);line-height:1.45;font-weight:700;color:var(--green-deep);margin-top:10px;
}
.content-block p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.content-block p + p{margin-top:12px;}
.block-figure{margin-top:22px;}
.block-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--border);}
.block-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{
  position:relative;padding-left:26px;font-size:15.5px;line-height:1.7;color:var(--ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:11px;height:11px;
  border-left:1.6px solid var(--sage);border-bottom:1.6px solid var(--sage);
  transform:rotate(-45deg);border-radius:1px;
}
.check-list li strong{color:var(--ink);font-weight:600;}

/* ---------- side column ---------- */
.side-col{display:grid;gap:20px;}
@media(min-width:992px){.side-col{position:sticky;top:96px;}}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
}
.side-card h3{font-size:18px;font-weight:700;color:var(--green-deep);line-height:1.5;}
.side-card .side-note{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.selfcheck{display:grid;gap:12px;margin-top:18px;}
.selfcheck label{
  display:flex;gap:10px;align-items:flex-start;cursor:pointer;
  font-size:14.5px;line-height:1.65;color:var(--ink-2);
}
.selfcheck input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;
  width:19px;height:19px;flex:0 0 auto;margin-top:2px;
  border:1.6px solid var(--border-strong);border-radius:5px;background:#fff;
  transition:background .18s var(--ease),border-color .18s var(--ease);
  position:relative;cursor:pointer;
}
.selfcheck input[type="checkbox"]:checked{background:var(--green);border-color:var(--green);}
.selfcheck input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:5px;top:1.5px;width:5px;height:10px;
  border-right:2px solid #F7F4EE;border-bottom:2px solid #F7F4EE;transform:rotate(40deg);
}
.selfcheck input[type="checkbox"]:focus-visible{outline:2px solid var(--green);outline-offset:2px;}
.side-card .btn{margin-top:20px;}
.side-contact dl{margin-top:14px;display:grid;gap:12px;}
.side-contact dt{font-size:13px;color:var(--muted);letter-spacing:.04em;}
.side-contact dd{font-size:15px;color:var(--ink);font-weight:600;line-height:1.6;}

/* ---------- definition list ---------- */
.glossary{margin-top:44px;}
.glossary-grid{display:grid;grid-template-columns:1fr;gap:0;margin-top:32px;border-top:1px solid var(--border);}
@media(min-width:768px){.glossary-grid{grid-template-columns:repeat(2,1fr);column-gap:48px;}}
.glossary-item{
  padding:22px 16px 22px 0;border-bottom:1px solid var(--border);
  transition:background .2s var(--ease);
}
@media(min-width:768px){.glossary-item{padding-left:16px;}}
.glossary-item:hover{background:rgba(239,234,225,.55);}
.glossary-item dt{
  font-size:17px;font-weight:700;color:var(--green);line-height:1.5;display:flex;align-items:baseline;gap:10px;
}
.glossary-item dt .num{
  font-size:12px;font-weight:700;color:var(--amber);letter-spacing:.08em;
  border:1px solid rgba(196,112,58,.4);border-radius:999px;padding:1px 8px;flex:0 0 auto;
}
.glossary-item dd{margin-top:8px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:36px;border-top:1px solid var(--border);}
.accordion-item{background:transparent;border:none;border-bottom:1px solid var(--border);}
.accordion-button{
  background:transparent;color:var(--green-deep);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 0;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--green);box-shadow:none;}
.accordion-button:hover{color:var(--green);}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:none;}
.accordion-button:focus-visible{outline:2px solid var(--green);outline-offset:-2px;border-radius:6px;}
.accordion-button::after{
  content:"+";background-image:none;transform:none;
  width:auto;height:auto;font-size:22px;font-weight:400;line-height:1;
  color:var(--sage);position:absolute;right:8px;top:50%;margin-top:-12px;
  transition:color .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--amber);}
.accordion-button:not(.collapsed){border-bottom:1px dashed rgba(15,58,51,.12);}
.accordion-body{padding:0 0 24px;font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:44em;}
.accordion-body strong{color:var(--ink);font-weight:600;}

/* ---------- dark CTA ---------- */
.cta-dark{background:var(--green);border-radius:var(--r-block);padding:40px 28px;margin:0 auto;}
@media(min-width:768px){.cta-dark{padding:56px 52px;}}
.cta-inner{display:grid;gap:26px;align-items:center;}
@media(min-width:992px){.cta-inner{grid-template-columns:1.5fr auto;gap:48px;}}
.cta-dark h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:#F7F4EE;}
.cta-dark p{margin-top:12px;font-size:16px;line-height:1.8;color:rgba(247,244,238,.78);max-width:30em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:rgba(247,244,238,.72);padding:64px 0 0;margin-top:64px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.site-footer .brand{color:#F7F4EE;}
.site-footer .brand:hover{color:#F7F4EE;}
.site-footer .brand-mark{background:rgba(247,244,238,.12);}
.site-footer .brand-mark svg{stroke:#F7F4EE;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(247,244,238,.62);max-width:24em;}
.footer-col h4{font-size:14px;font-weight:700;color:#F7F4EE;letter-spacing:.04em;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--sage);font-size:14px;transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(247,244,238,.62);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(247,244,238,.14);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,238,.5);
}
@media(max-width:767.98px){
  .site-footer{padding-top:48px;}
  .footer-bottom{padding-bottom:100px;}
}

/* ---------- mobile bottom tabs ---------- */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  background:rgba(247,244,238,.97);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 24px -20px rgba(8,33,29,.6);
}
.mobile-tabs a{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 4px 8px;font-size:10.5px;font-weight:600;color:var(--muted);position:relative;min-height:56px;
}
.mobile-tabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tabs a.active{color:var(--green);}
.mobile-tabs a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--green);
}
@media(max-width:767.98px){
  .mobile-tabs{display:flex;}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
  .header-inner{height:64px;}
  .brand-text{font-size:16.5px;}
  .hero-center{padding:52px 0 48px;}
  .hero-center h1{max-width:100%;}
  .hero-center .lead{font-size:15.5px;}
  .cta-dark{padding:32px 22px;border-radius:16px;}
  .fact-num{font-size:26px;}
  .side-card{padding:20px;}
}

/* ---------- animation ---------- */
.fade-up{opacity:0;transform:translateY(12px);}
.fade-up.in{opacity:1;transform:none;transition:opacity .4s var(--ease),transform .4s var(--ease);}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .fade-up{opacity:1;transform:none;}
}