/* roulang page: index */
:root{
  --ink:#0F3D34;
  --ink-2:#14685A;
  --ink-3:#1E8574;
  --orange:#F26B3A;
  --orange-h:#D9552A;
  --orange-l:#FDEBE3;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --soft:#EFF4F1;
  --text:#17211E;
  --muted:#5E6B66;
  --line:#DCE6E1;
  --radius-card:16px;
  --radius-img:20px;
  --shadow-s:0 2px 4px rgba(15,61,52,.06), 0 14px 32px rgba(15,61,52,.08);
  --shadow-h:0 18px 40px rgba(15,61,52,.12);
  --pad-section:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange-h);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:.2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink-2);outline-offset:3px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;min-width:0;}
.section{padding:var(--pad-section) 0;}
.section-alt{background:var(--soft);}
.section-head{max-width:720px;margin-bottom:36px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.6px;
  color:var(--ink-2);text-transform:uppercase;margin-bottom:14px;
  padding-left:12px;border-left:3px solid var(--orange);
}
.section-head h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:16px;}
.section-head p{font-size:16px;color:var(--muted);line-height:1.8;margin:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;padding:13px 26px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,107,58,.26);}
.btn-primary:hover{background:var(--orange-h);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(217,85,42,.30);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(217,85,42,.24);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--soft);color:var(--ink);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,61,52,.10);}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--ink);border-bottom:1px solid rgba(15,61,52,.35);padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-arrow::after{content:"→";transition:transform .2s ease;display:inline-block;}
.link-arrow:hover{color:var(--orange-h);border-color:var(--orange-h);}
.link-arrow:hover::after{transform:translateX(4px);}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;background:rgba(30,133,116,.10);color:var(--ink-2);
  line-height:1.6;
}
/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(247,244,238,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(220,230,225,.75);
  box-shadow:0 2px 10px rgba(15,61,52,.05);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.97);
  box-shadow:0 10px 30px rgba(15,61,52,.12);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;transition:height .28s ease;}
.site-header.is-stuck .header-inner{height:66px;}
.brand{
  display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:var(--ink);
  letter-spacing:.4px;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,var(--ink-3),var(--ink));
  box-shadow:0 0 0 4px rgba(30,133,116,.14);
  flex:0 0 auto;
}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav-main a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;
  transition:color .2s ease;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-main a:hover{color:var(--ink-2);}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease;}
.nav-toggle:hover{background:var(--soft);border-color:var(--ink-3);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,61,52,.38);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:312px;max-width:86vw;z-index:140;
  background:#fff;box-shadow:-16px 0 44px rgba(15,61,52,.18);
  transform:translateX(105%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 22px 28px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-brand{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--soft);
  font-size:22px;line-height:1;color:var(--ink);cursor:pointer;transition:background .2s ease;
}
.drawer-close:hover{background:var(--orange-l);color:var(--orange-h);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  display:block;padding:13px 12px;border-radius:12px;font-size:15px;color:var(--ink);font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--soft);color:var(--ink-2);}
.drawer-nav a.is-active{background:var(--orange-l);color:var(--orange-h);font-weight:600;}
.drawer-cta{width:100%;}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.drawer-foot p{margin:0 0 6px;}
/* ---------- hero ---------- */
.hero{
  position:relative;padding:132px 0 0;overflow:hidden;
  background:
    radial-gradient(1100px 420px at 82% -12%,rgba(30,133,116,.12),transparent 68%),
    radial-gradient(760px 320px at 4% 8%,rgba(242,107,58,.07),transparent 70%),
    var(--bg);
}
.hero-wave{
  position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:repeating-linear-gradient(115deg,rgba(15,61,52,.05) 0 1px,transparent 1px 14px);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
}
.hero-grid{position:relative;z-index:2;align-items:center;padding-bottom:8px;}
.hero-copy{padding-top:12px;padding-bottom:20px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--ink-2);background:rgba(255,255,255,.85);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;
  box-shadow:0 2px 4px rgba(15,61,52,.05);
}
.pill::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--ink-3);
  box-shadow:0 0 0 3px rgba(30,133,116,.18);
}
.hero h1{
  font-size:clamp(32px,4.2vw,52px);line-height:1.2;margin-bottom:20px;
  overflow-wrap:break-word;word-break:break-word;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.trust-badges{display:flex;flex-wrap:wrap;align-items:center;gap:0;}
.trust-badges li{
  font-size:13.5px;color:var(--ink-2);font-weight:500;padding:0 14px;
  border-left:1px solid var(--line);
}
.trust-badges li:first-child{padding-left:0;border-left:0;}
.hero-media{position:relative;}
.hero-media-frame{position:relative;border-radius:var(--radius-img);overflow:visible;}
.hero-media-frame::before{
  content:"";position:absolute;inset:-14px -14px 26px 26px;border-radius:24px;
  background:linear-gradient(140deg,rgba(30,133,116,.14),rgba(242,107,58,.10));
  z-index:0;
}
.hero-media-frame img{
  position:relative;z-index:1;width:100%;height:430px;object-fit:cover;
  border-radius:var(--radius-img);box-shadow:var(--shadow-s);
  background:linear-gradient(135deg,#14685A,#0F3D34);
}
.hero-float{
  position:absolute;z-index:3;right:-8px;bottom:22px;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(220,230,225,.9);border-radius:14px;
  padding:14px 18px;box-shadow:0 14px 32px rgba(15,61,52,.14);
}
.hero-float .dot{
  width:9px;height:9px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 4px rgba(242,107,58,.18);flex:0 0 auto;
}
.hero-float strong{display:block;font-size:14px;color:var(--ink);line-height:1.4;}
.hero-float small{display:block;font-size:12.5px;color:var(--muted);line-height:1.4;}
.hero-metrics{
  position:relative;z-index:2;margin-top:48px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:26px 0 34px;
}
.hero-metrics .metric{padding:0 24px;border-left:1px solid var(--line);}
.hero-metrics .metric:first-child{border-left:0;padding-left:0;}
.metric strong{
  display:block;font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:4px;
}
.metric span{font-size:13.5px;color:var(--muted);}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.step{position:relative;padding-top:26px;border-top:1px dashed var(--line);}
.step-num{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--orange-l);color:var(--orange-h);font-weight:700;font-size:15px;
  border:1px solid rgba(242,107,58,.32);margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:14px;}
/* ---------- split cases ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  margin-bottom:64px;
}
.split:last-of-type{margin-bottom:0;}
.split-media{position:relative;border-radius:var(--radius-img);overflow:hidden;background:linear-gradient(135deg,#14685A,#0F3D34);}
.split-media img{width:100%;height:360px;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-reverse .split-media{order:2;}
.split-reverse .split-body{order:1;}
.split-body h3{font-size:clamp(21px,2.2vw,26px);margin-bottom:14px;}
.split-body p{font-size:15.5px;color:var(--muted);line-height:1.85;}
.tick-list{margin:20px 0 22px;display:grid;gap:10px;}
.tick-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text);line-height:1.7;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:rgba(30,133,116,.14);border:1px solid rgba(30,133,116,.42);
}
.pull-quote{
  border-left:3px solid var(--ink-2);background:rgba(239,244,241,.8);
  padding:14px 18px;border-radius:0 12px 12px 0;font-size:15px;color:var(--ink);
  line-height:1.75;
}
.data-bar{
  margin-top:64px;background:var(--soft);border-radius:var(--radius-img);
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:32px 8px;
  border:1px solid var(--line);
}
.data-bar div{padding:0 26px;border-left:1px solid rgba(220,230,225,.9);}
.data-bar div:first-child{border-left:0;}
.data-bar strong{
  display:block;font-size:clamp(20px,2.4vw,28px);color:var(--ink);font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:4px;
}
.data-bar span{font-size:13.5px;color:var(--muted);}
/* ---------- feature list ---------- */
.feature-media img{
  width:100%;height:400px;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow-s);background:linear-gradient(135deg,#14685A,#0F3D34);
}
.feature-body{padding-left:12px;}
.feature-body h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:16px;}
.feature-body>p{font-size:15.5px;color:var(--muted);line-height:1.85;margin-bottom:22px;}
.feature-list{display:grid;gap:16px;}
.feature-list li{
  padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.feature-list li:hover{box-shadow:var(--shadow-h);transform:translateY(-2px);border-color:rgba(30,133,116,.35);}
.feature-list strong{display:block;font-size:16px;color:var(--ink);margin-bottom:4px;}
.feature-list span{font-size:14.5px;color:var(--muted);line-height:1.75;}
/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s ease;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 48px 20px 16px;font-size:17px;font-weight:600;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:18px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);}
.faq-item summary:hover{background:rgba(239,244,241,.75);color:var(--ink-2);}
.faq-a{padding:0 48px 22px 16px;font-size:15px;line-height:1.85;color:var(--muted);}
/* ---------- news ---------- */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:34px;flex-wrap:wrap;
}
.news-head h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:10px;}
.news-head p{font-size:15.5px;color:var(--muted);margin:0;max-width:620px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:0 2px 4px rgba(15,61,52,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  color:inherit;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(30,133,116,.35);color:inherit;}
.news-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#14685A,#0F3D34);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-tag-row{display:flex;align-items:center;gap:8px;}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px dashed var(--line);
}
.news-foot .arrow{color:var(--orange-h);font-weight:700;transition:transform .22s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--muted);font-size:15px;text-align:center;padding:32px;
}
/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--bg);
  border-radius:var(--radius-img);padding:52px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(100deg,rgba(247,244,238,.06) 0 1px,transparent 1px 12px);
}
.cta-left{position:relative;z-index:1;}
.cta-left h2{color:#fff;font-size:clamp(24px,2.9vw,34px);margin-bottom:16px;line-height:1.3;}
.cta-left p{color:rgba(247,244,238,.78);font-size:15.5px;line-height:1.85;margin-bottom:24px;}
.guard-list{display:grid;gap:12px;}
.guard-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:rgba(247,244,238,.88);line-height:1.7;
}
.guard-list li::before{
  content:"";position:absolute;left:0;top:8px;width:11px;height:11px;border-radius:3px;
  background:var(--orange);opacity:.9;
}
.form-card{
  position:relative;z-index:1;background:#fff;border-radius:var(--radius-card);
  padding:28px;box-shadow:0 20px 44px rgba(0,0,0,.22);color:var(--text);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--muted);margin:0 0 20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px;}
.req{color:var(--orange);margin-left:2px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);
  font-size:15px;font-family:inherit;padding:0 14px;height:48px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;line-height:1.6;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#9AA6A1;}
.field input:hover,.field textarea:hover{border-color:var(--ink-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,107,58,.16);}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:12px;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-size:14px;
  background:rgba(30,133,116,.10);color:var(--ink-2);line-height:1.7;
}
.form-msg.is-show{display:block;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,244,238,.78);padding:72px 0 0;margin-top:var(--pad-section);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:radial-gradient(circle at 32% 32%,#4FC2AC,var(--ink-3));box-shadow:0 0 0 4px rgba(79,194,172,.18);}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(247,244,238,.72);margin:0 0 10px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col a{display:block;font-size:14px;color:rgba(247,244,238,.72);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--orange);transform:translateX(3px);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(247,244,238,.14);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.6);
}
.footer-bottom span{line-height:1.7;}
@media (max-width:1023px){
  :root{--pad-section:64px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding-top:112px;}
  .hero-media-frame img{height:360px;}
  .hero-float{right:12px;bottom:16px;}
  .hero-metrics{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .hero-metrics .metric:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 28px;}
  .split{grid-template-columns:1fr;gap:32px;margin-bottom:56px;}
  .split-reverse .split-media{order:0;}
  .split-reverse .split-body{order:1;}
  .split-media img{height:320px;}
  .data-bar{grid-template-columns:repeat(2,1fr);gap:26px 0;padding:28px 6px;}
  .data-bar div:nth-child(3){border-left:0;}
  .feature-media img{height:320px;margin-bottom:28px;}
  .feature-body{padding-left:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:639px){
  :root{--pad-section:44px;--radius-img:16px;}
  body{font-size:15.5px;}
  .header-inner{height:66px;gap:14px;}
  .brand{font-size:16px;}
  .site-header.is-stuck .header-inner{height:60px;}
  .hero{padding-top:96px;}
  .hero h1{font-size:clamp(27px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-media-frame img{height:260px;}
  .hero-float{position:static;margin-top:14px;right:auto;bottom:auto;}
  .trust-badges li{font-size:12.5px;padding:0 10px;}
  .hero-metrics{grid-template-columns:1fr;gap:18px;padding:22px 0 26px;}
  .hero-metrics .metric{border-left:0;padding-left:0;border-top:1px dashed var(--line);padding-top:14px;}
  .hero-metrics .metric:first-child{border-top:0;padding-top:0;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{border-top:0;padding:0 0 26px 26px;border-left:1px dashed var(--line);position:relative;}
  .step:last-child{padding-bottom:0;}
  .step-num{position:relative;margin-left:-26px;margin-bottom:12px;}
  .split-media img{height:230px;}
  .data-bar{grid-template-columns:1fr;gap:18px;}
  .data-bar div{border-left:0;padding:0 20px;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:28px 20px;}
  .form-card{padding:22px 18px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-a{padding-right:16px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .grid-x{margin-left:0;margin-right:0;}
  .grid-x>.cell{padding-left:0;padding-right:0;}
  .hero-media{margin-top:8px;}
}

/* roulang page: category1 */
:root{
  --ink:#17211E;
  --ink-2:#5E6B66;
  --green:#0F3D34;
  --green-1:#14685A;
  --green-2:#1E8574;
  --orange:#F26B3A;
  --orange-h:#D9552A;
  --orange-l:#FDEBE3;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --soft:#EFF4F1;
  --line:#DCE6E1;
  --white:#F7F4EE;
  --r-card:16px;
  --r-img:20px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 2px 4px rgba(15,61,52,.06),0 14px 32px rgba(15,61,52,.08);
  --sh-2:0 18px 40px rgba(15,61,52,.12);
  --sec:88px;
}
*,*::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",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange-h)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;overflow-wrap:break-word}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--green-1);outline-offset:3px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(242,107,58,.28)}
.btn-primary:hover{background:var(--orange-h);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px rgba(242,107,58,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(242,107,58,.24)}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--soft);color:var(--green);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(247,244,238,.14);color:var(--white);border-color:rgba(247,244,238,.55)}
.btn-light:hover{background:rgba(247,244,238,.24);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;padding:13px 0;
  background:rgba(15,61,52,.20);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(247,244,238,.22);
  box-shadow:0 8px 26px rgba(15,61,52,.14);
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease;
  --nav-fg:#F7F4EE;
  --nav-fg-soft:rgba(247,244,238,.80);
}
.site-header.is-stuck{
  background:rgba(247,244,238,.97);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(15,61,52,.16);
  --nav-fg:#17211E;
  --nav-fg-soft:#5E6B66;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--nav-fg);font-size:19px;font-weight:700;white-space:nowrap}
.brand:hover{color:var(--nav-fg)}
.brand-mark{
  width:22px;height:22px;flex:none;border-radius:50%;
  background:radial-gradient(circle at 30% 28%,var(--orange),var(--green-2));
  box-shadow:0 0 0 3px rgba(242,107,58,.20);
}
.nav-main{display:flex;align-items:center;gap:30px}
.nav-main a{
  position:relative;padding:8px 1px;font-size:15px;font-weight:500;color:var(--nav-fg-soft);
  transition:color .2s ease;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-main a:hover{color:var(--nav-fg)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--nav-fg);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.header-cta{padding:11px 24px;font-size:15px}
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid rgba(247,244,238,.40);
  background:rgba(247,244,238,.14);color:var(--nav-fg);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-stuck .nav-toggle{border-color:var(--line);background:var(--soft)}

/* ---------- 移动抽屉 ---------- */
.drawer-scrim{
  position:fixed;inset:0;z-index:110;background:rgba(15,61,52,.46);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-scrim.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(330px,88vw);background:var(--card);padding:20px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(103%);transition:transform .3s ease;
  box-shadow:-18px 0 44px rgba(15,61,52,.22);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.drawer-title{font-size:16px;font-weight:700;color:var(--green)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--soft);
  color:var(--green);font-size:20px;line-height:1;cursor:pointer;padding:0;
}
.drawer-close:hover{background:#e6efeb}
.drawer-nav a{
  display:block;padding:14px 6px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--green-1)}
.drawer-nav a.is-active{color:var(--orange-h);font-weight:700}
.drawer-cta{margin-top:16px}
.drawer-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);line-height:1.8;
}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;color:var(--white);
  padding:166px 0 74px;
  background:linear-gradient(120deg,#0F3D34,#14685A);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.55;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(15,61,52,.95) 0%,rgba(15,61,52,.84) 44%,rgba(20,104,90,.52) 100%);
}
.banner-inner{position:relative;z-index:2;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:#FBD8C9;background:rgba(242,107,58,.16);border:1px solid rgba(242,107,58,.42);
}
.page-banner h1{
  margin:20px 0 16px;color:#fff;
  font-size:clamp(32px,4.2vw,50px);line-height:1.22;
}
.banner-lead{font-size:17px;line-height:1.85;color:rgba(247,244,238,.90);max-width:660px}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:28px;
  font-size:14px;color:rgba(247,244,238,.82);
}
.banner-meta span{display:inline-flex;align-items:center;gap:8px}
.banner-meta i{
  width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none;
  display:inline-block;
}

/* ---------- 分类胶囊导航 ---------- */
.pill-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.pill-nav{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:none}
.pill-nav::-webkit-scrollbar{display:none}
.pill{
  flex:none;padding:9px 20px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill:hover{border-color:var(--green-2);color:var(--green-1);background:var(--soft);transform:translateY(-1px)}
.pill.is-active{background:var(--green);border-color:var(--green);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--green);color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section--soft{background:var(--soft)}
.section--plain{background:var(--bg)}
.section-head{max-width:780px;margin-bottom:38px}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--green-2);margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:clamp(24px,2.7vw,33px);line-height:1.3}
.section-head h2::before{
  content:"";display:block;width:44px;height:4px;border-radius:2px;
  background:var(--orange);margin-bottom:16px;
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}

/* ---------- 概述两栏 ---------- */
.overview-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.overview-text h3{font-size:21px;margin-bottom:12px}
.overview-text p{color:var(--ink-2);font-size:16.5px;line-height:1.85}
.prepare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.prepare-card h3{font-size:19px;margin-bottom:18px}
.prepare-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);
}
.prepare-list li:last-child{border-bottom:0;padding-bottom:0}
.prepare-list b{display:block;color:var(--ink);font-size:15.5px;margin-bottom:2px}
.prepare-list i{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--orange-l);color:var(--orange-h);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-style:normal;
}

/* ---------- 图文交替 ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.alt-row + .alt-row{margin-top:72px}
.alt-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:linear-gradient(140deg,#1E8574,#0F3D34);
  box-shadow:var(--sh-1);
}
.alt-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(247,244,238,.08) 0 1px,transparent 1px 16px);
  opacity:.6;
}
.alt-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover}
.alt-row.reverse .alt-media{order:2}
.alt-body h3{font-size:clamp(21px,2.2vw,26px);line-height:1.35;margin-bottom:14px}
.alt-body p{color:var(--ink-2);font-size:16.5px}
.tick-list{margin-top:20px;display:grid;gap:10px}
.tick-list li{
  position:relative;padding-left:28px;font-size:15.5px;color:var(--ink);
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2.5px solid var(--green-2);border-bottom:2.5px solid var(--green-2);
  transform:rotate(-45deg);border-radius:1px;
}
.alt-quote{
  margin-top:22px;padding:16px 20px;border-left:3px solid var(--green-1);
  background:var(--soft);border-radius:0 12px 12px 0;
  font-size:15.5px;color:var(--green);font-weight:600;
}

/* ---------- 要点卡双列 ---------- */
.points-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.point-card{
  display:flex;gap:15px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#cbe0d7}
.point-card .no{
  flex:none;width:38px;height:38px;border-radius:50%;
  border:1.5px solid var(--orange);color:var(--orange-h);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.point-card h4{font-size:17px;margin-bottom:6px}
.point-card p{font-size:15px;color:var(--ink-2);line-height:1.75}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
table.compare thead th{
  background:var(--soft);color:var(--green);font-size:14px;font-weight:700;
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.compare td{
  padding:16px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);
  vertical-align:top;line-height:1.7;
}
table.compare tbody tr:nth-child(even){background:#FBFCFA}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.table-note{margin-top:14px;font-size:14px;color:var(--ink-2)}

/* ---------- 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;position:relative;
  padding:20px 46px 20px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:background-color .2s ease,color .2s ease;border-radius:8px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(239,244,241,.85);color:var(--green)}
.faq-item summary::after{
  content:"";position:absolute;right:16px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--green-1);border-bottom:2px solid var(--green-1);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq-answer{padding:0 46px 22px 4px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA 带 ---------- */
.cta-section{padding:0 0 var(--sec)}
.cta-band{
  position:relative;overflow:hidden;color:var(--white);
  background:linear-gradient(120deg,#0F3D34,#12574A 72%,#14685A);
  border-radius:20px;padding:52px;box-shadow:0 24px 48px rgba(15,61,52,.20);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(247,244,238,.07) 0 1px,transparent 1px 14px);
  opacity:.55;
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;
  gap:36px;align-items:center;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.7vw,32px);line-height:1.3;margin-bottom:14px}
.cta-inner p{color:rgba(247,244,238,.86);font-size:16px;margin-bottom:20px}
.cta-points{display:grid;gap:10px}
.cta-points li{
  position:relative;padding-left:26px;font-size:15px;color:rgba(247,244,238,.90);
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:13px;height:7px;
  border-left:2.5px solid var(--orange);border-bottom:2.5px solid var(--orange);
  transform:rotate(-45deg);
}
.cta-action{display:flex;flex-direction:column;gap:12px}
.cta-action .btn{width:100%}
.cta-hint{font-size:13.5px;color:rgba(247,244,238,.70);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green);color:rgba(247,244,238,.82);
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;color:#fff;
  font-size:19px;font-weight:700;margin-bottom:16px;
}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{box-shadow:0 0 0 3px rgba(242,107,58,.26)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.04em}
.footer-col p{font-size:14px;line-height:1.85;margin:0 0 8px;color:rgba(247,244,238,.76)}
.footer-col a{
  display:block;font-size:14px;color:rgba(247,244,238,.78);padding:5px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--orange);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 20px;
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(247,244,238,.16);
  font-size:13px;color:rgba(247,244,238,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:64px}
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .site-header{padding:11px 0}
  .page-banner{padding:140px 0 60px}
  .overview-grid{grid-template-columns:1fr;gap:32px}
  .alt-row{grid-template-columns:1fr;gap:28px}
  .alt-row.reverse .alt-media{order:0}
  .alt-row + .alt-row{margin-top:56px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  :root{--sec:52px}
  .container{padding:0 18px}
  .page-banner{padding:126px 0 52px}
  .banner-lead{font-size:16px}
  .points-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:28px}
  .cta-band{padding:32px 24px;border-radius:18px}
  .faq-item summary{font-size:16px}
}
@media (max-width:519px){
  :root{--sec:46px}
  .brand{font-size:17px}
  .btn{width:100%;padding:14px 22px}
  .header-cta,.nav-toggle{width:auto}
  .btn-inline-sm{width:auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .preprare-card,.prepare-card{padding:22px}
  .point-card{padding:20px}
  .banner-meta{gap:8px 18px;font-size:13.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --green-900:#0F3D34;
  --green-700:#14685A;
  --green-500:#1E8574;
  --orange:#F26B3A;
  --orange-dark:#D9552A;
  --orange-soft:#FDEBE3;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EFF4F1;
  --ink:#17211E;
  --ink-soft:#5E6B66;
  --border:#DCE6E1;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 2px 4px rgba(15,61,52,.06);
  --shadow-md:0 2px 4px rgba(15,61,52,.06),0 14px 32px rgba(15,61,52,.08);
  --shadow-lg:0 18px 40px rgba(15,61,52,.12);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--green-700);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
a:hover{color:var(--orange)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.3;overflow-wrap:break-word;word-break:break-word}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--orange-soft);color:var(--green-900)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--green-500);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.2px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,107,58,.28)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,107,58,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,107,58,.24)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(247,244,238,.55)}
.btn-ghost:hover{background:rgba(247,244,238,.14);color:#fff;border-color:#fff}
.btn-outline{background:var(--surface);color:var(--green-900);border-color:var(--border);border-radius:var(--radius-sm)}
.btn-outline:hover{background:var(--surface-alt);color:var(--green-900);border-color:var(--green-500)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(15,61,52,.16);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(247,244,238,.20);
  box-shadow:0 2px 18px rgba(15,61,52,.10);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.95);
  border-bottom-color:var(--border);
  box-shadow:0 10px 30px rgba(15,61,52,.12);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{
  position:relative;flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#F98B5F,#F26B3A 55%,#D9552A);
  box-shadow:0 6px 16px rgba(242,107,58,.38);
  overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;left:7px;right:7px;top:11px;height:2px;border-radius:2px;
  background:rgba(255,255,255,.95);
  box-shadow:0 5px 0 rgba(255,255,255,.7),0 -5px 0 rgba(255,255,255,.55);
}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-main a{
  position:relative;padding:10px 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:rgba(247,244,238,.88);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-main a:hover{background:rgba(247,244,238,.16);color:#fff}
.nav-main a.is-active{color:#fff;font-weight:600}
.nav-main a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;background:var(--orange);
}
.site-header.is-stuck .brand{color:var(--green-900)}
.site-header.is-stuck .nav-main a{color:var(--ink-soft)}
.site-header.is-stuck .nav-main a:hover{background:var(--surface-alt);color:var(--green-900)}
.site-header.is-stuck .nav-main a.is-active{color:var(--green-900)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(247,244,238,.4);
  border-radius:12px;background:rgba(247,244,238,.12);padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff}
.site-header.is-stuck .nav-toggle{border-color:var(--border);background:var(--surface-alt)}
.site-header.is-stuck .nav-toggle span{background:var(--green-900)}
.nav-toggle:hover{background:rgba(247,244,238,.24)}
.site-header.is-stuck .nav-toggle:hover{background:#E4EDE8}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,61,52,.5);z-index:95;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:96;
  background:var(--surface);padding:20px 22px 28px;
  transform:translateX(100%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  box-shadow:-16px 0 40px rgba(15,61,52,.18);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .brand{color:var(--green-900);font-size:17px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-alt);color:var(--green-900);font-size:22px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:#E4EDE8}
.drawer-links{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border);padding-top:12px}
.drawer-links a{
  padding:13px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a::after{content:"›";color:var(--green-500);font-size:18px}
.drawer-links a:hover{color:var(--orange)}
.drawer-note{font-size:13px;color:var(--ink-soft);line-height:1.7;margin:0}

/* ============ 文章头区 ============ */
.article-hero{
  position:relative;overflow:hidden;padding:128px 0 60px;
  background:var(--green-900);color:var(--bg);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(15,61,52,.96) 0%,rgba(15,61,52,.80) 52%,rgba(20,104,90,.62) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:rgba(247,244,238,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(247,244,238,.8);border-bottom:1px solid rgba(247,244,238,.28);padding-bottom:1px}
.breadcrumb a:hover{color:#fff;border-bottom-color:var(--orange)}
.breadcrumb .sep{color:rgba(247,244,238,.45)}
.breadcrumb .current{
  color:#fff;max-width:min(100%,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(247,244,238,.14);border:1px solid rgba(247,244,238,.28);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:18px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.article-hero h1{
  font-size:clamp(28px,3.8vw,44px);line-height:1.25;color:#fff;
  max-width:900px;letter-spacing:-.2px;margin-bottom:20px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:14px;color:rgba(247,244,238,.78);
  font-variant-numeric:tabular-nums;
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(247,244,238,.45)}
.meta-row .chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(242,107,58,.22);border:1px solid rgba(242,107,58,.5);
  color:#FFD9C8;font-size:13px;font-weight:600;
}

/* ============ 正文布局 ============ */
.article-body-section{padding:64px 0 80px}
.article-layout{margin-left:-16px;margin-right:-16px}
.article-layout > .cell{padding-left:16px;padding-right:16px}
.article-prose{
  max-width:760px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  padding:38px 40px 44px;
  font-size:17px;line-height:1.9;color:var(--ink);
}
.article-prose > *:first-child{margin-top:0}
.article-prose p{margin:0 0 1.1em}
.article-prose h2{
  position:relative;font-size:clamp(22px,2.2vw,27px);line-height:1.4;
  margin:2em 0 .8em;padding-left:16px;color:var(--green-900);
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--orange);
}
.article-prose h3{font-size:20px;font-weight:700;margin:1.7em 0 .6em;color:var(--ink)}
.article-prose h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em}
.article-prose a{
  color:var(--green-700);
  border-bottom:1px solid rgba(20,104,90,.35);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.article-prose a:hover{color:var(--orange);border-bottom-color:var(--orange)}
.article-prose blockquote{
  margin:1.7em 0;padding:18px 22px;
  background:var(--bg);border-left:3px solid var(--green-700);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-soft);font-size:16px;
}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose ul,
.article-prose ol{margin:0 0 1.1em;padding-left:0}
.article-prose ul > li{position:relative;padding-left:24px;margin-bottom:.55em}
.article-prose ul > li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--green-500);
}
.article-prose ol{counter-reset:cmsli}
.article-prose ol > li{position:relative;padding-left:32px;margin-bottom:.55em;counter-increment:cmsli}
.article-prose ol > li::before{
  content:counter(cmsli);position:absolute;left:0;top:.22em;
  width:21px;height:21px;border-radius:50%;
  background:var(--orange-soft);color:var(--orange-dark);
  font-size:12px;font-weight:700;line-height:21px;text-align:center;
}
.article-prose img{border-radius:16px;margin:1.7em auto;box-shadow:var(--shadow-sm)}
.article-prose figure{margin:1.7em 0}
.article-prose figure img{margin:0 auto}
.article-prose figcaption{font-size:13px;color:var(--ink-soft);text-align:center;margin-top:12px;line-height:1.7}
.article-prose table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.7em 0;
  border-radius:var(--radius-sm);
}
.article-prose th,
.article-prose td{border:1px solid var(--border);padding:11px 15px;text-align:left;white-space:nowrap}
.article-prose th{background:var(--surface-alt);color:var(--green-900);font-weight:700}
.article-prose hr{border:0;border-top:1px solid var(--border);margin:2em 0}

/* 空态 */
.empty-state{
  max-width:760px;background:var(--surface);border:1px dashed var(--border);
  border-radius:var(--radius-lg);padding:56px 32px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
  background:var(--orange-soft);color:var(--orange-dark);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
}
.empty-state h2{font-size:21px;margin-bottom:10px;color:var(--green-900)}
.empty-state p{color:var(--ink-soft);font-size:15px;margin-bottom:22px}

/* 文末操作条 */
.article-foot{
  max-width:760px;margin-top:24px;padding:22px 24px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--surface-alt);color:var(--green-700);
  font-size:13px;font-weight:600;border:1px solid var(--border);
}
.tag-pill:hover{background:var(--orange-soft);color:var(--orange-dark);border-color:rgba(242,107,58,.35)}
.back-link{font-size:14px;font-weight:600;color:var(--green-700);display:inline-flex;align-items:center;gap:6px}
.back-link:hover{color:var(--orange)}
.back-link .arrow{transition:transform .2s var(--ease)}
.back-link:hover .arrow{transform:translateX(-4px)}

/* ============ 侧栏 ============ */
.side-sticky{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-title{font-size:16px;color:var(--green-900);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--orange)}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink);
  border-bottom:1px solid var(--border);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-links a:last-child{border-bottom:0}
.side-links a::after{content:"›";color:var(--green-500);font-size:17px;line-height:1}
.side-links a:hover{color:var(--orange);padding-left:4px}
.side-note{font-size:13px;color:var(--ink-soft);line-height:1.8;margin:0}
.side-note strong{color:var(--green-900)}
.side-card-dark{
  background:var(--green-900);color:rgba(247,244,238,.82);border-color:var(--green-900);
  position:relative;overflow:hidden;
}
.side-card-dark::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(247,244,238,.06) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.side-card-dark .side-title{color:#fff;position:relative}
.side-card-dark p{position:relative;font-size:14px;line-height:1.8;margin-bottom:16px}
.side-card-dark .btn{position:relative;background:var(--orange);color:#fff;width:100%}
.side-card-dark .btn:hover{background:var(--orange-dark);color:#fff}

/* ============ 相关推荐 ============ */
.related-section{padding:8px 0 84px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,2.4vw,28px);color:var(--green-900);position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--orange);
}
.section-head .more-link{font-size:14px;font-weight:600;color:var(--green-700);display:inline-flex;align-items:center;gap:6px}
.section-head .more-link:hover{color:var(--orange)}
.section-head .more-link .arrow{transition:transform .2s var(--ease)}
.section-head .more-link:hover .arrow{transform:translateX(4px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#CFDFD7}
.post-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:
    repeating-linear-gradient(115deg,rgba(247,244,238,.07) 0 1px,transparent 1px 16px),
    linear-gradient(135deg,var(--green-700),var(--green-900));
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .badge{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--green-700);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.post-card h3{font-size:18px;line-height:1.5;color:var(--ink)}
.post-card h3 a{color:inherit}
.post-card h3 a:hover{color:var(--orange)}
.post-card .excerpt{
  font-size:14px;line-height:1.75;color:var(--ink-soft);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--border);
  font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums;
}
.post-card .foot .arrow{color:var(--green-500);font-size:16px;transition:transform .22s var(--ease)}
.post-card:hover .foot .arrow{transform:translateX(4px);color:var(--orange)}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--green-900);border-radius:var(--radius-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg,rgba(247,244,238,.055) 0 1px,transparent 1px 16px),
    radial-gradient(circle at 82% 18%,rgba(242,107,58,.20),transparent 58%);
  pointer-events:none;
}
.cta-text{position:relative;max-width:620px}
.cta-text h2{color:#fff;font-size:clamp(22px,2.5vw,30px);margin-bottom:12px}
.cta-text p{color:rgba(247,244,238,.78);font-size:15px;line-height:1.8;margin:0}
.cta-points{position:relative;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:16px}
.cta-points span{font-size:13.5px;color:rgba(247,244,238,.82);display:inline-flex;align-items:center;gap:7px}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.cta-inner .btn{position:relative}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--green-900);color:rgba(247,244,238,.76);
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg,rgba(247,244,238,.045) 0 1px,transparent 1px 18px);
  pointer-events:none;
}
.site-footer .container{position:relative}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:44px;
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:.3px}
.footer-col p{font-size:14px;line-height:1.85;margin:0 0 8px;color:rgba(247,244,238,.72)}
.footer-col a{display:block;color:rgba(247,244,238,.72);font-size:14px;padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--orange);transform:translateX(3px)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;padding:0}
.footer-brand:hover{color:#fff;transform:none}
.footer-bottom{
  border-top:1px solid rgba(247,244,238,.16);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(247,244,238,.62);font-variant-numeric:tabular-nums;
}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .side-sticky{position:sticky;top:96px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
  .article-hero{padding:116px 0 52px}
  .article-body-section{padding:48px 0 64px}
  .article-prose{padding:30px 28px 34px;font-size:16.5px;max-width:100%}
  .article-foot{max-width:100%}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{padding:36px 32px}
}
@media (max-width:767px){
  .article-hero{padding:106px 0 44px}
  .article-hero h1{font-size:clamp(24px,6vw,32px)}
  .cta-band{padding-bottom:64px}
  .related-section{padding-bottom:64px}
  .footer-grid{gap:26px}
}
@media (max-width:639px){
  .brand{font-size:16.5px}
  .article-prose{padding:24px 20px 28px;font-size:16px;line-height:1.85;border-radius:var(--radius)}
  .article-prose h2{font-size:21px;padding-left:13px}
  .article-prose h2::before{width:3px}
  .article-prose h3{font-size:18px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .cta-inner{padding:30px 22px;border-radius:var(--radius);flex-direction:column;align-items:flex-start;gap:22px}
  .cta-inner .btn{width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
  .section-head{align-items:flex-start}
  .btn{width:100%}
  .article-foot .back-link{width:auto}
}
@media (max-width:479px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}

/* roulang page: category2 */
:root{
  --green-900:#0F3D34;
  --green-700:#14685A;
  --green-500:#1E8574;
  --orange:#F26B3A;
  --orange-700:#D9552A;
  --orange-100:#FDEBE3;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --soft:#EFF4F1;
  --text:#17211E;
  --muted:#5E6B66;
  --line:#DCE6E1;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(15,61,52,.06),0 14px 32px rgba(15,61,52,.08);
  --sh-2:0 18px 40px rgba(15,61,52,.12);
  --container:1200px;
  --sec-y:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);background:linear-gradient(135deg,#E4EDE8,#EFF4F1)}
img.is-missing{opacity:0}
a{color:var(--green-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--green-900);overflow-wrap:break-word}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--green-700);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(247,244,238,.62);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(220,230,225,.7);
  box-shadow:0 2px 12px rgba(15,61,52,.06);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-stuck{
  background:rgba(247,244,238,.97);
  box-shadow:0 10px 28px rgba(15,61,52,.13);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--green-900);letter-spacing:.2px;white-space:nowrap}
.brand:hover{color:var(--green-900)}
.brand-mark{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 32% 30%,var(--green-500),var(--green-900) 72%);position:relative;flex:0 0 auto;box-shadow:0 4px 12px rgba(15,61,52,.28)}
.brand-mark::after{content:"";position:absolute;left:7px;top:9px;width:12px;height:6px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;background:rgba(247,244,238,.9)}
.nav-main{display:flex;align-items:center;gap:26px}
.nav-main a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:22px 0}
.nav-main a::after{content:"";position:absolute;left:0;right:0;bottom:16px;height:3px;border-radius:3px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.nav-main a:hover{color:var(--green-700)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--green-900);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;width:46px;height:46px;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.7)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--green-900);transition:.25s}
.nav-toggle:hover{background:#fff}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,107,58,.24)}
.btn-primary:hover{background:var(--orange-700);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,107,58,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(242,107,58,.24)}
.btn-ghost{background:#fff;color:var(--green-900);border-color:var(--green-900)}
.btn-ghost:hover{background:var(--soft);color:var(--green-900);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--green-700);border-bottom:1px solid rgba(20,104,90,.35);padding-bottom:2px;transition:.2s}
.link-more:hover{color:var(--orange);border-bottom-color:var(--orange)}
.link-more:hover .arrow{transform:translateX(4px)}
.arrow{transition:transform .22s ease}

/* ---------- drawer ---------- */
.drawer-backdrop{position:fixed;inset:0;background:rgba(15,61,52,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:110}
.drawer-backdrop.is-show{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;z-index:120;
  background:var(--card);padding:20px;display:flex;flex-direction:column;gap:16px;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  box-shadow:-18px 0 44px rgba(15,61,52,.2);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.drawer-brand{font-weight:700;color:var(--green-900);font-size:16px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--green-900);font-size:22px;line-height:1;display:grid;place-items:center;transition:.2s}
.drawer-close:hover{background:var(--soft)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{display:block;padding:13px 10px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--text)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--soft);color:var(--green-900)}
.drawer-nav a.is-active{font-weight:600;box-shadow:inset 3px 0 0 var(--orange)}
.drawer-note{font-size:13px;color:var(--muted);line-height:1.7;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
body.no-scroll{overflow:hidden}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:132px 0 64px;
  background:linear-gradient(135deg,#0F3D34 0%,#14685A 62%,#1E8574 100%);
  color:#F7F4EE;
}
.page-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 1px,transparent 1px 15px);
}
.page-banner::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,107,58,.18),transparent 68%);pointer-events:none;
}
.banner-grid{margin-left:-12px;margin-right:-12px;position:relative;z-index:1}
.banner-grid>.cell{padding-left:12px;padding-right:12px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,244,238,.72);margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:rgba(247,244,238,.86)}
.crumb a:hover{color:var(--orange)}
.crumb span.now{color:#fff;font-weight:600}
.crumb .sep{opacity:.5}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(242,107,58,.16);border:1px solid rgba(242,107,58,.45);
  color:#FFD9C8;font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:16px;
}
.page-banner h1{
  color:#fff;
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.24;
  margin-bottom:16px;
  max-width:20em;
}
.banner-sub{font-size:16px;line-height:1.8;color:rgba(247,244,238,.85);max-width:36em;margin:0}
.banner-card{
  background:rgba(247,244,238,.1);
  border:1px solid rgba(247,244,238,.28);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-radius:var(--r-md);
  padding:22px 24px;color:#fff;
}
.banner-card h2{font-size:16px;color:#fff;margin-bottom:14px;letter-spacing:.3px}
.banner-card li{position:relative;padding-left:24px;font-size:14px;line-height:1.75;color:rgba(247,244,238,.9);margin-bottom:10px}
.banner-card li:last-child{margin-bottom:0}
.banner-card li::before{content:"";position:absolute;left:4px;top:8px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.banner-card .card-foot{margin-top:16px;padding-top:14px;border-top:1px solid rgba(247,244,238,.22);font-size:13px;color:rgba(247,244,238,.72);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* ---------- section base ---------- */
.section{padding:var(--sec-y) 0}
.section.soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--green-700);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--orange)}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted);line-height:1.8;margin:0}
.section-head.left-line{border-left:4px solid var(--orange);padding-left:18px}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:27px;top:16px;bottom:16px;width:2px;
  background-image:linear-gradient(to bottom,var(--line) 0 8px,transparent 8px 16px);
  background-size:2px 16px;
}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:24px;align-items:flex-start;padding:0 0 20px;position:relative}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);
  color:var(--orange);font-weight:700;font-size:17px;letter-spacing:.5px;
  font-variant-numeric:tabular-nums;box-shadow:var(--sh-1);position:relative;z-index:1;
  transition:transform .22s ease,border-color .22s ease;
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 26px;box-shadow:var(--sh-1);transition:box-shadow .24s ease,transform .24s ease;
}
.tl-item:hover .tl-body{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tl-item:hover .tl-num{border-color:var(--orange);transform:translateY(-2px)}
.tl-body h3{font-size:20px;margin-bottom:8px}
.tl-body>p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.tl-points{display:grid;gap:6px}
.tl-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text);line-height:1.75}
.tl-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--green-500)}

/* ---------- check split ---------- */
.check-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.check-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:linear-gradient(135deg,#E4EDE8,#EFF4F1)}
.check-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:4/3}
.check-figure .fig-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(247,244,238,.94);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:10px 16px;font-size:13px;font-weight:600;color:var(--green-900);
  display:inline-flex;align-items:center;gap:8px;box-shadow:var(--sh-1);
}
.check-figure .fig-badge i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-item{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:var(--r-sm);background:var(--card);border:1px solid var(--line);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:#C9DAD3}
.check-item .idx{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--orange-100);color:var(--orange-700);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
.mini-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.mini-stats span{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);background:var(--soft);border:1px solid var(--line);font-size:13px;color:var(--green-900);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- compare ---------- */
.cmp-grid{margin-left:-12px;margin-right:-12px}
.cmp-grid>.cell{padding-left:12px;padding-right:12px}
.cmp-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 26px 24px;box-shadow:var(--sh-1);height:100%;transition:transform .24s ease,box-shadow .24s ease}
.cmp-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.cmp-card.do{border-top:4px solid var(--green-500)}
.cmp-card.dont{border-top:4px solid var(--orange)}
.cmp-card h3{font-size:20px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.cmp-card h3 .dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.cmp-card.do h3 .dot{background:var(--green-500)}
.cmp-card.dont h3 .dot{background:var(--orange)}
.cmp-card .cmp-sub{font-size:14px;color:var(--muted);margin-bottom:18px}
.cmp-list{display:grid;gap:12px}
.cmp-list li{position:relative;padding-left:30px;font-size:15px;line-height:1.75;color:var(--text)}
.cmp-list li::before{
  position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.cmp-card.do .cmp-list li::before{content:"✓";background:rgba(30,133,116,.14);color:var(--green-700)}
.cmp-card.dont .cmp-list li::before{content:"✕";background:var(--orange-100);color:var(--orange-700)}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px}
.qa{border-bottom:1px solid var(--line);transition:background .2s ease;border-radius:var(--r-sm)}
.qa:first-of-type{border-top:1px solid var(--line)}
.qa summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 16px;font-size:17px;font-weight:600;color:var(--green-900);
  cursor:pointer;list-style:none;transition:background .2s ease,color .2s ease;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{background:var(--soft);color:var(--green-700)}
.qa-icon{flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--green-500);border-bottom:2px solid var(--green-500);transform:rotate(45deg);transition:transform .25s ease;margin-top:-4px}
.qa[open] .qa-icon{transform:rotate(-135deg);margin-top:4px}
.qa-body{padding:0 16px 20px;font-size:15px;line-height:1.85;color:var(--muted)}
.qa[open] summary{color:var(--green-700)}

/* ---------- cta band ---------- */
.cta-section{padding:0 0 var(--sec-y)}
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0F3D34 0%,#14685A 100%);
  border-radius:var(--r-lg);padding:48px 44px;color:#F7F4EE;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,107,58,.22),transparent 70%);pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:14px}
.cta-band p{color:rgba(247,244,238,.85);font-size:15px;line-height:1.8;margin:0}
.cta-points{display:grid;gap:10px;margin-top:26px}
.cta-points li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(247,244,238,.92);line-height:1.7}
.cta-points li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.cta-action{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-action .btn{width:100%;max-width:320px;height:52px;font-size:16px}
.cta-action .note{font-size:13px;color:rgba(247,244,238,.7);line-height:1.7}
.back-home{display:flex;justify-content:center;margin-top:28px}
.back-home a{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--green-700);border-bottom:1px solid rgba(20,104,90,.35);padding-bottom:3px}
.back-home a:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* ---------- footer ---------- */
.site-footer{background:var(--green-900);color:#EAF1EE;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{background:radial-gradient(circle at 32% 30%,var(--orange),#B8431E 72%)}
.footer-brand .brand-mark::after{background:rgba(255,255,255,.92)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:.3px}
.footer-col a{display:block;color:rgba(247,244,238,.78);font-size:15px;padding:5px 0}
.footer-col a:hover{color:var(--orange)}
.footer-col p{color:rgba(247,244,238,.72);font-size:14px;line-height:1.75;margin-bottom:8px}
.footer-bottom{
  border-top:1px solid rgba(247,244,238,.16);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,238,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec-y:64px}
  .nav-main{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .page-banner{padding:118px 0 52px}
  .check-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .cmp-card{margin-bottom:16px}
  .cmp-grid>.cell:last-child .cmp-card{margin-bottom:0}
  .cta-action .btn{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--sec-y:44px}
  body{font-size:15px}
  .header-inner{height:64px}
  .brand{font-size:16px}
  .brand-mark{width:23px;height:23px}
  .page-banner{padding:104px 0 44px}
  .page-banner h1{font-size:26px}
  .banner-sub{font-size:15px}
  .banner-card{padding:18px 18px}
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-num{width:44px;height:44px;font-size:15px}
  .timeline::before{left:21px}
  .tl-body{padding:18px 18px}
  .tl-body h3{font-size:18px}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .cta-action .btn{width:100%;max-width:none}
  .cmp-card{padding:22px 20px}
  .qa summary{font-size:16px;padding:18px 12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .btn{width:100%}
  .back-home a{font-size:14px}
}