/* roulang page: index */
:root{
  --green:#1F6F4A;
  --green-dark:#175739;
  --green-soft:rgba(31,111,74,.08);
  --ink:#0E1116;
  --lime:#D8F35A;
  --paper:#F4F3EE;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --text:#20262C;
  --muted:#5C665F;
  --orange:#F26A2E;
  --radius:12px;
  --radius-lg:16px;
  --radius-sm:8px;
  --shadow:0 8px 24px rgba(14,17,22,.08);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono","Arial Narrow",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  background-image:linear-gradient(rgba(216,221,210,.35) 1px,transparent 1px);
  background-size:100% 64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px;}
.brand-mark i{display:block;width:4px;border-radius:1px;}
.brand-mark i:nth-child(1){height:10px;background:var(--green);}
.brand-mark i:nth-child(2){height:16px;background:var(--ink);}
.brand-mark i:nth-child(3){height:22px;background:var(--lime);}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 13px;border-radius:6px;
  font-size:15px;color:var(--muted);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--green);background:var(--green-soft);}
.nav-link.active{color:var(--green);background:var(--green-soft);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);
  padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink);
  background:var(--card);
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--green);color:var(--green);}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:3px;}
.nav-toggle .bars span{display:block;width:15px;height:2px;background:currentColor;border-radius:2px;}

.nav-drawer{
  display:none;
  position:fixed;top:74px;right:0;bottom:0;z-index:75;
  width:min(340px,86vw);
  background:var(--paper);
  border-left:1px solid var(--line);
  padding:18px 18px 28px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .22s ease;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-link{
  display:block;padding:14px 8px;font-size:19px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
  transition:color .18s ease,background-color .18s ease;
}
.drawer-link:hover,.drawer-link.active{color:var(--green);}
.drawer-link.active{padding-left:14px;border-left:3px solid var(--lime);}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  padding:12px 22px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--green);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#cbea43;transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-lg{padding:14px 26px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- hero ---------- */
.hero{padding:56px 0 20px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--green);
  background:var(--green-soft);border:1px solid rgba(31,111,74,.16);
  padding:6px 13px;border-radius:999px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);}
.hero h1{font-size:52px;line-height:1.15;margin:20px 0 16px;color:var(--ink);}
.hero h1 em{font-style:normal;color:var(--green);}
.hero-sub{font-size:17px;color:var(--muted);max-width:34em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:30px;padding-top:22px;border-top:1px dashed var(--line);
}
.hero-tag{font-size:13.5px;color:var(--muted);}
.hero-tag b{color:var(--ink);font-weight:600;margin-right:8px;}
.hero-visual{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--ink);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,17,22,.16) 0%,rgba(14,17,22,.74) 100%);
}
.score-badge{
  position:absolute;top:16px;right:16px;z-index:2;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:20px;letter-spacing:.14em;color:var(--lime);
  background:rgba(14,17,22,.6);
  border:1px solid rgba(216,243,90,.42);
  padding:6px 12px;border-radius:6px;
}
.hero-flash{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:9px;
  font-size:13.5px;color:#F4F3EE;
  background:rgba(14,17,22,.66);
  border:1px solid rgba(244,243,238,.2);
  border-radius:var(--radius-sm);
  padding:10px 13px;
}
.hero-flash .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex-shrink:0;}

/* ---------- section base ---------- */
.section{padding:76px 0;}
.section--band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:32px;color:var(--ink);}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px;}
.link-more{
  font-size:14.5px;font-weight:600;color:var(--green);
  border-bottom:1px solid rgba(31,111,74,.32);padding-bottom:2px;white-space:nowrap;
  transition:border-color .18s ease,color .18s ease;
}
.link-more:hover{color:var(--green-dark);border-color:var(--green-dark);}

/* ---------- latest news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.news-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px);}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:3px 10px;border-radius:999px;
  background:var(--green-soft);color:var(--green);
}
.news-time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;}
.news-card h3{font-size:18px;line-height:1.5;color:var(--ink);}
.news-card h3 a:hover{color:var(--green);}
.news-card p{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--green);}
.card-link:hover{text-decoration:underline;text-underline-offset:3px;}
.empty-state{
  grid-column:1/-1;
  border:1.5px dashed var(--line);
  background:rgba(31,111,74,.04);
  border-radius:var(--radius);
  padding:38px 20px;text-align:center;color:var(--muted);font-size:15px;
}

/* ---------- topic index ---------- */
.topic-list{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.topic-item{
  display:flex;flex-direction:column;gap:8px;
  padding:22px 18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-top:3px solid var(--line);
  border-radius:var(--radius);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.topic-item:hover{border-color:var(--green);border-top-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px);}
.topic-num{font-family:var(--mono);font-size:13px;letter-spacing:.12em;color:var(--green);}
.topic-item h3{font-size:19px;color:var(--ink);}
.topic-item p{font-size:13.5px;line-height:1.7;color:var(--muted);}
.topic-arrow{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--green);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step{
  position:relative;
  padding:26px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.step:hover{border-color:var(--green);box-shadow:var(--shadow);}
.step-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:40px;line-height:1;letter-spacing:-.02em;color:rgba(31,111,74,.24);
}
.step h3{margin:12px 0 8px;font-size:20px;color:var(--ink);}
.step p{font-size:14.5px;color:var(--muted);}

/* ---------- case ---------- */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.case-main{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink);min-height:360px;border:1px solid var(--line);
}
.case-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.82;}
.case-main-body{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  padding:30px;color:#F4F3EE;
  background:linear-gradient(180deg,rgba(14,17,22,.12) 0%,rgba(14,17,22,.84) 100%);
}
.case-main-body h3{font-size:24px;color:#fff;}
.case-main-body p{font-size:14.5px;color:rgba(244,243,238,.78);}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.case-tags span{
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(216,243,90,.42);color:var(--lime);
}
.case-side{display:grid;gap:24px;grid-template-rows:1fr 1fr;}
.case-small{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.case-small:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px);}
.case-small img{width:100%;height:132px;object-fit:cover;}
.case-small-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;}
.case-small-body h3{font-size:17px;color:var(--ink);}
.case-small-body p{font-size:13.5px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.faq-aside h2{font-size:32px;color:var(--ink);margin-bottom:12px;}
.faq-aside p{color:var(--muted);font-size:15px;margin-bottom:18px;}
.faq-list{border-bottom:1px solid var(--line);}
.faq-item{border-top:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 8px 18px 18px;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:15px;bottom:15px;width:3px;
  border-radius:2px;background:transparent;transition:background-color .18s ease;
}
.faq-item.open .faq-q::before{background:var(--lime);}
.faq-q:hover{color:var(--green);}
.faq-q .sign{font-size:20px;line-height:1;color:var(--green);transition:transform .2s ease;flex-shrink:0;}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{display:none;padding:0 18px 20px 18px;font-size:15px;color:var(--muted);line-height:1.85;}
.faq-item.open .faq-a{display:block;}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 76px;}
.cta-band{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1fr 440px;gap:44px;align-items:start;
  background:var(--ink);color:#F4F3EE;
  border-radius:18px;padding:48px;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--lime) 0%,var(--green) 70%);
}
.cta-band h2{font-size:32px;color:#fff;margin-bottom:12px;}
.cta-band > div > p{color:rgba(244,243,238,.76);font-size:15px;margin-bottom:20px;max-width:32em;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;}
.cta-points li{
  font-size:13.5px;padding:6px 13px;border-radius:999px;
  border:1px solid rgba(244,243,238,.24);color:rgba(244,243,238,.92);
}
.form-card{
  background:var(--card);color:var(--text);
  border-radius:var(--radius);padding:26px;
  box-shadow:0 16px 40px rgba(0,0,0,.28);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-intro{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);}
.req{color:var(--orange);}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 13px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--text);font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:84px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9AA39B;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(216,243,90,.55);
}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#A32B2B;}
.err-text{font-size:13px;color:#A32B2B;min-height:0;}
.check{
  display:flex;align-items:flex-start;gap:9px;
  font-size:13px;color:var(--muted);line-height:1.6;margin:6px 0 16px;
}
.check input{margin-top:3px;width:16px;height:16px;accent-color:var(--green);flex-shrink:0;}
.form-note{font-size:13px;margin-top:10px;color:var(--green);min-height:18px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(244,243,238,.72);padding:58px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;max-width:30em;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.05em;margin-bottom:14px;}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:rgba(244,243,238,.72);transition:color .18s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;padding:5px 0;}
.footer-contact b{color:#fff;font-weight:600;margin-right:6px;}
.footer-bottom{
  border-top:1px solid rgba(244,243,238,.14);
  padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(244,243,238,.56);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .nav-drawer{display:block;}
  .header-inner{gap:14px;justify-content:space-between;}
  .hero{padding-top:40px;}
  .hero h1{font-size:38px;}
  .hero-grid,.case-grid,.faq-grid{grid-template-columns:1fr;gap:30px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .topic-list{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:58px 0;}
  .section-head h2,.faq-aside h2,.cta-band h2{font-size:27px;}
  .case-main{min-height:300px;}
}
@media (max-width:620px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .brand-text{font-size:15.5px;}
  .hero h1{font-size:30px;line-height:1.24;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 auto;}
  .news-grid,.topic-list{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-wrap{padding-bottom:48px;}
  .cta-band{padding:26px 20px;border-radius:14px;}
  .case-main-body{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-q{font-size:15.5px;}
  .form-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --green:#1F6F4A;
  --green-dark:#185A3B;
  --green-soft:#E8F0E6;
  --green-mist:#EFF3EA;
  --ink:#0E1116;
  --lime:#D8F35A;
  --paper:#F4F3EE;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --text:#20262C;
  --muted:#5C665F;
  --orange:#F26A2E;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-hover:0 8px 24px rgba(14,17,22,.08);
  --container:1240px;
  --ease:200ms ease;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Arial Narrow",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.brand-mark i{display:block;width:4px;border-radius:2px;background:var(--green)}
.brand-mark i:nth-child(1){height:10px}
.brand-mark i:nth-child(2){height:20px;background:var(--ink)}
.brand-mark i:nth-child(3){height:14px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--ink);white-space:nowrap}
.brand:hover .brand-text{color:var(--green)}

.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;color:var(--text);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--green);background:#EAEDE3}
.nav-link.active{color:var(--green);background:var(--green-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;background:none;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(31,111,74,.22)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--green)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle .bars span{display:block;height:2px;border-radius:2px;background:currentColor}
.nav-toggle[aria-expanded="true"]{background:var(--green-soft);border-color:var(--green);color:var(--green)}

.nav-drawer{display:none;border-top:1px solid var(--line);background:var(--paper);padding:6px 24px 22px}
.nav-drawer.open{display:block}
.drawer-link{
  display:block;padding:14px 8px;
  font-size:17px;font-weight:600;
  border-bottom:1px solid var(--line);
  transition:color var(--ease),padding var(--ease);
}
.drawer-link:hover{color:var(--green);padding-left:14px}
.drawer-link.active{color:var(--green);padding-left:16px;box-shadow:inset 3px 0 0 var(--lime)}
.drawer-cta{display:grid;gap:10px;margin-top:18px}

/* ===== Page shell ===== */
.page-main{
  padding-bottom:72px;
  background-image:
    linear-gradient(to right,rgba(31,111,74,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(31,111,74,.05) 1px,transparent 1px);
  background-size:84px 84px;
  background-position:0 0;
}

/* ===== Breadcrumb ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 0 0;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{width:14px;height:1px;background:var(--line);display:inline-block}
.breadcrumb .current{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Article layout ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
  margin-top:28px;
}
.article-main{max-width:820px;min-width:0}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--green-soft);color:var(--green);
  font-size:12px;font-weight:700;letter-spacing:.3px;
}
.badge-live{background:#FDECE3;color:var(--orange)}

.article-head{padding:0 0 4px}
.article-title{
  font-size:clamp(30px,4vw,52px);
  line-height:1.16;
  letter-spacing:-.6px;
  margin:16px 0 0;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:6px 22px;
  margin-top:18px;padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.article-meta b{color:var(--text);font-weight:600}
.article-meta .mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.2px}

/* ===== Article body (CMS content) ===== */
.article-body{
  margin-top:30px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 1em}
.article-body h2{
  font-size:28px;line-height:1.35;
  margin:1.7em 0 .6em;
  padding-left:14px;
  border-left:4px solid var(--green);
}
.article-body h3{font-size:20px;line-height:1.5;margin:1.5em 0 .5em}
.article-body h4{font-size:17px;margin:1.3em 0 .4em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1em}
.article-body li{margin:.35em 0}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--green-dark)}
.article-body img{width:100%;height:auto;border-radius:10px;margin:1.4em 0}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;
  border-left:4px solid var(--lime);
  background:var(--green-mist);
  border-radius:0 10px 10px 0;
  color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--green-mist);color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{font-family:var(--mono);font-size:.9em;background:#EAEDE3;padding:2px 6px;border-radius:4px}

/* ===== Empty state ===== */
.empty-state{
  border:1px dashed #B9C4B2;
  background:var(--green-mist);
  border-radius:var(--radius-card);
  padding:52px 24px;
  text-align:center;
}
.empty-state .empty-title{font-size:19px;font-weight:700;color:var(--ink)}
.empty-state .empty-sub{font-size:14px;color:var(--muted);margin:10px auto 22px;max-width:420px;line-height:1.8}

/* ===== Article footer actions ===== */
.article-foot{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:44px;padding-top:26px;
  border-top:1px solid var(--line);
}

/* ===== Aside ===== */
.article-aside{
  position:sticky;top:100px;
  display:grid;gap:20px;
  min-width:0;
}
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
}
.aside-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--ink);
  margin:0 0 16px;
}
.aside-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--green)}
.aside-text{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0 0 16px}

.related-list{list-style:none;padding:0;margin:0;display:grid;gap:0}
.related-list li{padding:14px 0;border-top:1px solid var(--line)}
.related-list li:first-child{border-top:0;padding-top:0}
.related-list li:last-child{padding-bottom:0}
.related-list a{
  display:block;font-size:14.5px;font-weight:600;line-height:1.65;color:var(--text);
}
.related-list a:hover{color:var(--green)}
.related-list .tag{display:block;font-size:12px;color:var(--muted);margin-top:5px;letter-spacing:.3px}

.aside-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:10px;margin-bottom:16px;
  background:var(--green-mist);
}
.aside-links{display:grid;gap:2px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;font-size:14px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.aside-links a:last-child{border-bottom:0}
.aside-links a::after{content:"→";color:var(--green);font-size:13px;transition:transform var(--ease)}
.aside-links a:hover{color:var(--green)}
.aside-links a:hover::after{transform:translateX(3px)}

/* ===== Footer ===== */
.site-footer{
  background:var(--ink);
  color:#E7EAE3;
  padding:64px 0 0;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark i{background:var(--lime)}
.footer-brand .brand-mark i:nth-child(2){background:#fff}
.footer-brand p{
  margin-top:16px;max-width:340px;
  font-size:14px;line-height:1.8;color:#9AA69E;
}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;
  margin:0 0 16px;letter-spacing:.2px;
}
.footer-col a{
  display:block;padding:5px 0;
  font-size:14px;color:#9AA69E;
}
.footer-col a:hover{color:var(--lime)}
.footer-contact{list-style:none;display:grid;gap:10px;font-size:14px;color:#9AA69E}
.footer-contact b{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8C978F;
}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .article-main{max-width:none}
  .article-aside{position:static;grid-template-columns:1fr 1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .page-main{padding-bottom:56px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:18.5px}
  .article-title{letter-spacing:-.4px}
  .article-meta{gap:6px 16px}
  .breadcrumb .current{max-width:260px}
  .article-foot .btn{flex:1 1 auto}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media (max-width:640px){
  .article-aside{grid-template-columns:1fr}
}

@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:64px;gap:12px}
  .brand-text{font-size:15px}
  .nav-toggle{padding:8px 12px;font-size:13px}
  .article-title{font-size:29px;line-height:1.24}
  .article-body{font-size:16px}
  .article-body blockquote{padding:14px 16px}
  .empty-state{padding:40px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:48px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn:hover,.aside-links a:hover::after{transform:none}
}

/* roulang page: category1 */
:root{
  --green:#1F6F4A;
  --green-dark:#175538;
  --green-soft:#E8F2EC;
  --ink:#0E1116;
  --lime:#D8F35A;
  --paper:#F4F3EE;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --text:#20262C;
  --muted:#5C665F;
  --alert:#F26A2E;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-hover:0 8px 24px rgba(14,17,22,.08);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Arial Narrow",monospace;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  background-image:linear-gradient(rgba(31,111,74,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,111,74,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--green-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.14;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:20px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section-tight{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:620px}
.section-head .head-link{font-size:15px;font-weight:600;color:var(--green);border-bottom:1px solid rgba(31,111,74,.35);padding-bottom:2px;white-space:nowrap}
.section-head .head-link:hover{border-color:var(--green);color:var(--green-dark)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,243,238,.97);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:.01em}
.brand:hover{color:var(--ink)}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;width:24px;height:24px;flex:0 0 auto}
.brand-mark i{display:block;width:5px;border-radius:2px;background:var(--green)}
.brand-mark i:nth-child(1){height:11px}
.brand-mark i:nth-child(2){height:20px;background:var(--ink)}
.brand-mark i:nth-child(3){height:15px;background:var(--lime)}
.brand-text{white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:9px 14px;border-radius:8px;font-size:15px;font-weight:600;color:#39413A;transition:background-color .18s ease,color .18s ease}
.nav-link:hover{background:var(--green-soft);color:var(--green-dark)}
.nav-link.active{color:var(--green);background:var(--green-soft)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--lime);border-radius:2px}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--card);color:var(--ink);font-size:14px;font-weight:600;cursor:pointer}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle .bars span{display:block;height:2px;background:currentColor;border-radius:2px}
.nav-drawer{display:none;border-top:1px solid var(--line);background:var(--card);padding:14px 24px 24px}
.nav-drawer.open{display:block}
.drawer-link{display:block;padding:14px 4px;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--green);box-shadow:inset 3px 0 0 var(--lime);padding-left:14px}
.drawer-cta{display:grid;gap:10px;margin-top:18px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--green-dark)}
.btn-light{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-light:hover{background:#cbe94d;border-color:#cbe94d;color:var(--ink)}
.btn-outline-light{background:transparent;color:#EDEFEA;border-color:rgba(237,239,234,.5)}
.btn-outline-light:hover{background:rgba(216,243,90,.12);border-color:var(--lime);color:var(--lime)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.page-hero{padding:48px 0 8px}
.hero-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:36px;align-items:stretch}
.hero-copy{display:flex;flex-direction:column;justify-content:center}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;padding:5px 12px;border-radius:999px;background:var(--green-soft);color:var(--green-dark);font-size:12.5px;font-weight:700;letter-spacing:.04em}
.hero-tagline .dot{width:7px;height:7px;border-radius:50%;background:var(--alert);display:block}
.page-hero h1{margin:16px 0 14px}
.hero-lead{font-size:17px;color:var(--muted);max-width:560px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted);font-size:13.5px;font-weight:600;transition:border-color .18s ease,color .18s ease,background-color .18s ease}
.chip:hover{border-color:var(--green);color:var(--green)}
.chip.is-on{background:var(--green-soft);border-color:var(--green);color:var(--green-dark)}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts div{font-size:13px;color:var(--muted);line-height:1.6}
.hero-facts b{display:block;font-family:var(--mono);font-size:19px;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.hero-media{position:relative;border-radius:14px;overflow:hidden;background:#22312A;min-height:330px;border:1px solid var(--line)}
.hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,17,22,.08) 0%,rgba(14,17,22,.74) 100%)}
.hero-media .media-num{position:absolute;top:14px;right:18px;z-index:2;font-family:var(--mono);font-size:34px;font-weight:700;color:var(--lime);opacity:.9;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.hero-media .media-tag{position:absolute;left:16px;bottom:16px;right:16px;z-index:2;color:#F2F4EE}
.hero-media .media-tag span{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--alert);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:8px}
.hero-media .media-tag strong{display:block;font-size:15.5px;line-height:1.6}

/* ---------- tip strip ---------- */
.tip-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.55)}
.tip-item{display:flex;gap:16px;padding:26px 24px;border-right:1px solid var(--line)}
.tip-item:last-child{border-right:0}
.tip-num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--green);line-height:1.2;font-variant-numeric:tabular-nums}
.tip-item h3{font-size:16px;margin-bottom:6px}
.tip-item p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- list layout ---------- */
.list-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.news-card:hover{border-color:var(--green);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--green-soft);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;background:var(--green-soft);color:var(--green-dark);border:1px solid rgba(31,111,74,.22);align-self:flex-start}
.badge.badge-alert{background:#FDEDE5;color:#B44A1D;border-color:rgba(242,106,46,.35)}
.news-card h3{font-size:18.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .excerpt{font-size:14.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.news-foot time{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--green)}
.arrow-link::after{content:"→";transition:transform .18s ease}
.arrow-link:hover::after{transform:translateX(3px)}

/* ---------- sidebar ---------- */
.side-index{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.index-list li+li{margin-top:2px}
.index-list a{display:flex;align-items:baseline;gap:12px;padding:10px 0;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px dashed rgba(216,221,210,.9)}
.index-list li:last-child a{border-bottom:0}
.index-list a:hover{color:var(--green)}
.index-list .idx{font-family:var(--mono);font-size:12.5px;color:var(--green);font-weight:700;font-variant-numeric:tabular-nums}
.side-note{font-size:14px;color:var(--muted);line-height:1.8}
.side-card .btn{margin-top:16px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.faq-aside h2{margin-bottom:14px}
.faq-aside p{color:var(--muted);font-size:15.5px}
.faq-aside .btn{margin-top:20px}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line);position:relative}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .2s ease}
.faq-item.open::before{background:var(--lime)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 4px 20px 14px;background:none;border:0;font-size:16.5px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;transition:color .18s ease}
.faq-q:hover{color:var(--green)}
.faq-item.open .faq-q{color:var(--green-dark)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;border:1px solid var(--line);border-radius:50%;transition:transform .22s ease,border-color .18s ease,background-color .18s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green);border-radius:2px}
.faq-icon::before{left:5px;right:5px;top:10px;height:2px}
.faq-icon::after{top:5px;bottom:5px;left:10px;width:2px;transition:opacity .18s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--green);background:var(--green-soft)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding-left:14px}
.faq-a p{padding:0 0 20px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ---------- cta ---------- */
.cta-strip{background:var(--ink);color:#E9ECE4;padding:64px 0;position:relative;overflow:hidden}
.cta-strip::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--lime),var(--green) 55%,transparent)}
.cta-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cta-strip h2{color:#fff;margin-bottom:12px}
.cta-strip p{color:#B9C0B6;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;background:var(--card);padding:20px;border-radius:var(--radius-card);border:1px solid rgba(255,255,255,.14)}
.subscribe-form label{font-size:14px;font-weight:700;color:var(--ink);width:100%}
.subscribe-form input{flex:1 1 200px;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);font-size:15px;color:var(--text);background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.subscribe-form input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(216,243,90,.55)}
.subscribe-form input[aria-invalid="true"]{border-color:#A32B1B}
.form-hint{width:100%;font-size:13px;color:var(--muted);line-height:1.6}
.form-error{width:100%;font-size:13px;color:#A32B1B;display:none}
.form-error.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9CFC5;padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .brand{color:#F2F4EE;margin-bottom:14px}
.site-footer .brand:hover{color:#fff}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A7AFA4;max-width:360px}
.footer-col h3{color:#F2F4EE;font-size:15px;margin-bottom:14px;letter-spacing:.05em}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;color:#B7BFB3}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;line-height:1.9;color:#A7AFA4;padding:4px 0}
.footer-contact b{color:#DCE2D6;font-weight:600;margin-right:8px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:#8B9488}
.site-footer .brand-mark i:nth-child(2){background:#F2F4EE}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:68px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media{min-height:280px;order:2}
  .list-layout{grid-template-columns:1fr}
  .side-index{position:static}
  .tip-strip{grid-template-columns:1fr}
  .tip-item{border-right:0;border-bottom:1px solid var(--line)}
  .tip-item:last-child{border-bottom:0}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:16px;background-size:44px 44px}
  .container{padding:0 18px}
  .header-actions .btn{display:none}
  .page-hero{padding:34px 0 6px}
  .hero-facts{gap:18px}
  .news-grid{grid-template-columns:1fr}
  .section{padding:46px 0}
  .section-head{margin-bottom:24px}
}
@media (max-width:519px){
  .brand-text{font-size:15.5px}
  .hero-media{min-height:230px}
  .hero-media .media-num{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .cta-strip{padding:46px 0}
  .subscribe-form{padding:16px}
  .subscribe-form .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --grass:#1F6F4A;
  --grass-deep:#185539;
  --grass-soft:#E7F0E9;
  --ink:#0E1116;
  --ink-soft:#1B222A;
  --lime:#D8F35A;
  --lime-soft:#EEF9BE;
  --paper:#F4F3EE;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --line-strong:#BFC7B9;
  --text:#20262C;
  --muted:#5C665F;
  --orange:#F26A2E;
  --danger:#8E2B25;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-hover:0 8px 24px rgba(14,17,22,.08);
  --space-section:88px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"Arial Narrow",Menlo,monospace;
  --transition:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  background-image:linear-gradient(rgba(31,111,74,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,111,74,.045) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,243,238,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;gap:3px;height:26px;}
.brand-mark i{display:block;width:5px;border-radius:2px;background:var(--grass);}
.brand-mark i:nth-child(1){height:26px;}
.brand-mark i:nth-child(2){height:18px;background:var(--ink);}
.brand-mark i:nth-child(3){height:10px;background:var(--lime);}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--ink);white-space:nowrap;}
.nav-desktop{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;color:var(--muted);
  transition:color var(--transition),background-color var(--transition);
}
.nav-link:hover{color:var(--grass);background:var(--grass-soft);}
.nav-link.active{color:var(--grass);background:var(--grass-soft);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform var(--transition),background-color var(--transition),color var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.btn-primary{background:var(--grass);color:#fff;border-color:var(--grass);}
.btn-primary:hover{background:var(--grass-deep);border-color:var(--grass-deep);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--grass-soft);border-color:var(--grass);color:var(--grass);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;padding:4px 0;
  font-size:15px;font-weight:600;color:var(--grass);
  border-bottom:2px solid var(--lime);transition:color var(--transition),gap var(--transition);
}
.btn-text:hover{color:var(--grass-deep);gap:10px;}
.btn-sm{padding:9px 16px;font-size:14.5px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line-strong);background:#fff;
  font-size:14.5px;font-weight:600;color:var(--ink);
}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:4px;}
.nav-toggle .bars span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--transition),opacity var(--transition);}
.nav-toggle[aria-expanded="true"] .bars span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .bars span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{
  display:none;
  overflow:hidden;max-height:0;
  transition:max-height 260ms ease;
  border-top:1px solid transparent;
  background:#fff;
}
.nav-drawer.open{max-height:620px;border-top-color:var(--line);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 24px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--grass);background:var(--grass-soft);box-shadow:inset 4px 0 0 var(--lime);}
.drawer-cta{display:grid;gap:10px;padding:18px 24px 24px;}

/* ---------- page intro ---------- */
.crumbs{padding:22px 0 0;font-size:13px;color:var(--muted);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"";width:12px;height:1px;background:var(--line-strong);display:inline-block;}
.crumbs a:hover{color:var(--grass);}
.crumbs .current{color:var(--ink);font-weight:600;}

.page-intro{padding:26px 0 0;}
.intro-bar{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px;
  padding:28px 32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  border-left:5px solid var(--grass);
}
.intro-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--lime-soft);color:var(--grass-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.4px;
}
.intro-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.intro-bar h1{
  font-size:clamp(30px,4.4vw,54px);line-height:1.14;letter-spacing:-.5px;
  margin:14px 0 12px;color:var(--ink);font-weight:800;
}
.intro-bar p{max-width:640px;color:var(--muted);font-size:16.5px;line-height:1.85;}
.intro-metrics{display:flex;gap:26px;flex-wrap:wrap;}
.intro-metrics div{min-width:86px;}
.intro-metrics b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;letter-spacing:1px;color:var(--grass);font-weight:700;
}
.intro-metrics span{display:block;font-size:13px;color:var(--muted);margin-top:2px;}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0;}
.chip{
  padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);background:#fff;
  font-size:14.5px;font-weight:600;color:var(--muted);
  transition:all var(--transition);
}
.chip:hover{border-color:var(--grass);color:var(--grass);background:var(--grass-soft);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip.is-on:hover{background:var(--ink-soft);color:#fff;}

/* ---------- section base ---------- */
.section{padding:var(--space-section) 0 0;}
.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,34px);line-height:1.24;color:var(--ink);font-weight:800;letter-spacing:-.3px;}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted);max-width:620px;}
.rule-title{display:flex;align-items:center;gap:12px;}
.rule-title .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--grass);
  letter-spacing:1.5px;padding:3px 9px;border:1px solid var(--line-strong);border-radius:4px;background:#fff;
}

/* ---------- masonry cards ---------- */
.masonry{display:grid;grid-template-columns:1.12fr .88fr;gap:20px;align-items:start;}
.big-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition);
}
.big-card:hover{border-color:var(--grass);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.big-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--grass-soft);}
.big-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.big-card:hover .thumb img{transform:scale(1.03);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
  background:var(--grass-soft);color:var(--grass-deep);
}
.badge-live{background:#FDEDE5;color:#B24512;}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.thumb .badge{position:absolute;left:14px;top:14px;background:#fff;color:var(--grass-deep);box-shadow:0 2px 8px rgba(14,17,22,.12);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:clamp(19px,2.1vw,23px);line-height:1.42;color:var(--ink);font-weight:800;}
.card-body p{font-size:15px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.card-meta .num{color:var(--ink);font-weight:600;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--grass);}
.arrow-link::after{content:"→";transition:transform var(--transition);}
.big-card:hover .arrow-link::after{transform:translateX(4px);}

.mini-list{display:grid;gap:16px;}
.mini-card{
  display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:14px;transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition);
}
.mini-card:hover{border-color:var(--grass);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.mini-card .pic{aspect-ratio:4/3;border-radius:8px;overflow:hidden;background:var(--grass-soft);}
.mini-card .pic img{width:100%;height:100%;object-fit:cover;}
.mini-card .txt{display:flex;flex-direction:column;gap:6px;min-width:0;}
.mini-card h3{
  font-size:16.5px;line-height:1.5;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-card .meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.mini-card .meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong);}
.tag-mini{
  display:inline-block;padding:2px 9px;border-radius:var(--radius-pill);
  background:var(--grass-soft);color:var(--grass-deep);font-size:12px;font-weight:700;
}
.tag-mini.alt{background:#F1F0EA;color:var(--muted);}

/* ---------- labels strip ---------- */
.strip{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding:14px 20px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-card);
}
.strip .label{font-size:13px;font-weight:700;color:var(--grass);letter-spacing:1px;}
.strip .label::after{content:"";display:inline-block;width:18px;height:1px;background:var(--line-strong);vertical-align:middle;margin-left:10px;}
.strip ul{display:flex;flex-wrap:wrap;gap:8px;}
.strip li{padding:4px 12px;border-radius:var(--radius-pill);background:var(--paper);border:1px solid var(--line);font-size:13.5px;color:var(--muted);font-weight:600;}

/* ---------- reading path ---------- */
.path-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px 32px;display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1fr);gap:36px;
}
.path-wrap .side h2{font-size:clamp(23px,2.6vw,30px);line-height:1.3;color:var(--ink);font-weight:800;}
.path-wrap .side p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.path-wrap .side a{margin-top:18px;}
.steps{display:grid;gap:0;}
.step{display:grid;grid-template-columns:58px minmax(0,1fr);gap:18px;padding:20px 0;border-top:1px solid var(--line);}
.step:first-child{border-top:0;padding-top:0;}
.step:last-child{padding-bottom:0;}
.step .no{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--line-strong);line-height:1.1;letter-spacing:1px;
}
.step h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.step p{font-size:15px;color:var(--muted);line-height:1.75;}

/* ---------- topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.topic-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px 24px;overflow:hidden;
  transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition);
}
.topic-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grass);}
.topic-card:nth-child(2)::before{background:var(--lime);}
.topic-card:nth-child(3)::before{background:var(--ink);}
.topic-card:nth-child(4)::before{background:var(--orange);}
.topic-card:hover{border-color:var(--grass);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.topic-card h3{font-size:19px;font-weight:800;color:var(--ink);margin:10px 0 8px;}
.topic-card p{font-size:15px;color:var(--muted);line-height:1.78;}
.topic-card .k{
  font-family:var(--font-num);font-size:12px;letter-spacing:1.5px;font-weight:700;color:var(--muted);
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.68fr) minmax(0,1fr);gap:40px;align-items:start;}
.faq-side h2{font-size:clamp(23px,2.6vw,30px);font-weight:800;color:var(--ink);line-height:1.3;}
.faq-side p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.faq-side .contact{
  margin-top:20px;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--grass-soft);border:1px solid #CFE1D5;
}
.faq-side .contact b{display:block;font-size:14px;color:var(--grass-deep);}
.faq-side .contact span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px 20px 0;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
  transition:color var(--transition),padding-left var(--transition),box-shadow var(--transition);
}
.faq-q:hover{color:var(--grass);}
.faq-item.open .faq-q{color:var(--grass);padding-left:14px;box-shadow:inset 3px 0 0 var(--lime);}
.faq-q .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:17px;line-height:1;color:var(--grass);
  transition:transform var(--transition),background-color var(--transition),border-color var(--transition);
}
.faq-item.open .sign{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a p{padding:0 44px 22px 0;font-size:15.5px;line-height:1.85;color:var(--muted);}

/* ---------- cta strip ---------- */
.cta-strip{margin-top:var(--space-section);padding:0;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--ink);color:#F4F3EE;border-radius:14px;
  padding:40px 40px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(216,243,90,.35);
  box-shadow:0 0 0 28px rgba(216,243,90,.06);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15.5px;color:#C7CEC6;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(244,243,238,.5);}
.cta-actions .btn-ghost:hover{background:rgba(216,243,90,.14);border-color:var(--lime);color:var(--lime);}
.cta-actions .btn-primary{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.cta-actions .btn-primary:hover{background:#E6FA8C;border-color:#E6FA8C;color:var(--ink);}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--space-section);background:var(--ink);color:#E7EAE3;padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark i{background:var(--lime);}
.site-footer .brand-mark i:nth-child(2){background:#F4F3EE;}
.site-footer .brand-mark i:nth-child(3){background:var(--grass);}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:#A9B2A8;max-width:360px;}
.footer-col h3{font-size:14px;letter-spacing:1px;color:var(--lime);font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;padding:5px 0;font-size:14.5px;color:#C7CEC6;transition:color var(--transition),transform var(--transition);}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.footer-contact li{font-size:14px;color:#A9B2A8;line-height:1.8;padding:4px 0;}
.footer-contact b{color:#E7EAE3;font-weight:600;margin-right:8px;}
.footer-bottom{
  border-top:1px solid rgba(244,243,238,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8C968B;
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--space-section:64px;}
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-drawer{display:block;}
  .header-inner{min-height:70px;}
  .brand-text{font-size:17.5px;}
  .masonry{grid-template-columns:1fr;}
  .mini-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mini-card{grid-template-columns:96px minmax(0,1fr);}
  .path-wrap{grid-template-columns:1fr;gap:26px;padding:28px 24px;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .intro-bar{grid-template-columns:1fr;align-items:start;gap:20px;padding:24px 24px;}
  .cta-inner{grid-template-columns:1fr;padding:32px 28px;}
  .container{padding:0 20px;}
}
@media (max-width:767px){
  :root{--space-section:52px;}
  body{font-size:16px;background-size:36px 36px;}
  .section{padding-top:var(--space-section);}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:22px;}
  .mini-list{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .intro-metrics{gap:18px;}
  .card-body{padding:18px 18px 20px;}
  .big-card .thumb .badge{left:12px;top:12px;}
  .cta-inner{padding:28px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .site-footer{padding-top:46px;}
  .strip{padding:14px 16px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;letter-spacing:.2px;}
  .header-actions .btn-sm{display:none;}
  .mini-card{grid-template-columns:86px minmax(0,1fr);gap:12px;padding:12px;}
  .mini-card h3{font-size:15.5px;}
  .intro-bar{padding:20px 18px;border-left-width:4px;}
  .intro-bar p{font-size:15.5px;}
  .chip{padding:7px 13px;font-size:13.5px;}
  .path-wrap{padding:22px 18px;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .step .no{font-size:21px;}
  .faq-q{font-size:15.5px;padding-right:0;}
  .faq-a p{padding-right:8px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .big-card:hover .thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
  --green:#1F6F4A;
  --green-dark:#175438;
  --green-soft:#E7F0EA;
  --lime:#D8F35A;
  --lime-deep:#A9C531;
  --ink:#0E1116;
  --paper:#F4F3EE;
  --paper-2:#EDECE5;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --text:#20262C;
  --muted:#5C665F;
  --orange:#F26A2E;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:16px;
  --shadow:0 8px 24px rgba(14,17,22,.08);
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono","Arial Narrow",monospace;
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--lime-deep);outline-offset:3px;border-radius:4px}
section[id]{scroll-margin-top:92px}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  border:1px solid transparent;font-size:15.5px;font-weight:600;
  cursor:pointer;transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--radius-sm)}
.btn-block{width:100%}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark);transform:translateY(-1px);box-shadow:0 6px 18px rgba(31,111,74,.22)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--green)}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:#E6FA8A;border-color:#E6FA8A;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F4F3EE;border-color:rgba(244,243,238,.42)}
.btn-outline-light:hover{background:rgba(216,243,90,.16);border-color:var(--lime);color:var(--lime)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{color:var(--green);font-weight:600;font-size:14.5px;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.link-more:hover{color:var(--green-dark);text-decoration-thickness:2px}

/* ---------- 徽章 / 标签 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;
  background:var(--green-soft);color:var(--green);font-size:13px;font-weight:600;
  border:1px solid rgba(31,111,74,.16);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-deep);flex:0 0 6px}
.badge{
  display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--green-soft);color:var(--green);
  border:1px solid rgba(31,111,74,.16);white-space:nowrap;
}
.badge-live{background:#FDEDE6;color:#C24A15;border-color:rgba(242,106,46,.24)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);
  font-size:13.5px;color:var(--muted);transition:border-color 180ms ease,color 180ms ease,background-color 180ms ease;
}
.chip:hover{border-color:var(--green);color:var(--green);background:var(--green-soft)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,243,238,.97);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-grid;grid-template-columns:repeat(3,4px);gap:3px;align-items:end;height:22px}
.brand-mark i{display:block;width:4px;border-radius:1px;background:var(--green)}
.brand-mark i:nth-child(1){height:11px;opacity:.55}
.brand-mark i:nth-child(2){height:16px;opacity:.8}
.brand-mark i:nth-child(3){height:22px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:8px;font-size:15px;font-weight:500;
  color:var(--muted);transition:color 180ms ease,background-color 180ms ease;
}
.nav-link:hover{color:var(--green);background:rgba(31,111,74,.07)}
.nav-link.active{color:var(--green);font-weight:700;background:var(--green-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--lime-deep);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);
  font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:border-color 180ms ease,color 180ms ease;
}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.bars span{display:block;height:2px;border-radius:2px;background:currentColor}
.bars span:nth-child(2){width:12px}
.nav-drawer{display:none;background:var(--paper);border-top:1px solid var(--line);padding-bottom:16px}
.nav-drawer.open{display:block}
.drawer-link{
  display:block;padding:14px 24px;font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color 180ms ease,background-color 180ms ease;
}
.drawer-link:hover{color:var(--green);background:rgba(31,111,74,.06)}
.drawer-link.active{color:var(--green);box-shadow:inset 3px 0 0 var(--lime-deep);background:var(--green-soft)}
.drawer-cta{display:grid;gap:10px;padding:18px 24px 0}
@media (min-width:1024px){.nav-drawer{display:none!important}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 64px;background:var(--paper)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(14,17,22,.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(14,17,22,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.35) 70%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.35) 70%,transparent 100%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.22fr 1fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;letter-spacing:-.025em;margin-top:18px}
.hero-lead{max-width:52ch;margin-top:16px;color:var(--muted);font-size:16.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn{min-width:158px}
.hero-chips{margin-top:26px}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.9}
.hero-figure .fig-tag{
  position:absolute;left:16px;bottom:16px;padding:7px 14px;border-radius:999px;
  background:rgba(14,17,22,.78);border:1px solid rgba(255,255,255,.18);
  color:#F4F3EE;font-size:13px;font-weight:500;
}
.hero-figure .fig-num{
  position:absolute;right:16px;top:8px;font-family:var(--mono);font-weight:800;
  font-size:44px;line-height:1;letter-spacing:-.05em;color:var(--lime);opacity:.92;
  font-variant-numeric:tabular-nums;
}
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:44px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.data-cell{background:var(--card);padding:16px 20px}
.data-cell b{display:block;font-size:13px;color:var(--green);letter-spacing:.06em;font-weight:700}
.data-cell span{font-size:14px;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,33px);font-weight:800;letter-spacing:-.02em}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px;max-width:62ch}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 栏目索引 + 编号列表 ---------- */
.split{display:grid;grid-template-columns:220px minmax(0,1fr);gap:44px;align-items:start}
.index-rail{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 18px;
}
.rail-title{font-size:13px;font-weight:700;color:var(--green);letter-spacing:.08em;margin-bottom:10px}
.rail-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);
  transition:color 180ms ease,transform 180ms ease;
}
.rail-link:last-of-type{border-bottom:0}
.rail-link:hover,.rail-link.is-on{color:var(--green);font-weight:600;transform:translateX(2px)}
.rail-link s{display:block;width:6px;height:6px;border-radius:50%;background:var(--line);text-decoration:none}
.rail-link:hover s,.rail-link.is-on s{background:var(--lime-deep)}
.rail-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7}
.num-list{border-top:2px solid var(--ink)}
.num-item{
  display:grid;grid-template-columns:62px minmax(0,1fr) 116px;gap:20px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background-color 180ms ease,padding 180ms ease;
}
.num-item:hover{background:var(--card)}
.num-index{
  font-family:var(--mono);font-size:26px;font-weight:800;line-height:1;
  color:#C2CBBE;font-variant-numeric:tabular-nums;letter-spacing:-.03em;
  transition:color 180ms ease;
}
.num-item:hover .num-index{color:var(--green)}
.num-title{font-size:19px;font-weight:700;line-height:1.5;color:var(--ink);transition:color 180ms ease}
.num-item:hover .num-title{color:var(--green)}
.num-desc{
  margin-top:5px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.num-meta{display:flex;align-items:center;gap:10px;margin-top:9px;font-size:13px;color:var(--muted)}
.num-meta time{font-variant-numeric:tabular-nums}
.num-thumb{
  width:116px;aspect-ratio:16/10;border-radius:var(--radius-sm);overflow:hidden;
  background:var(--green-soft);border:1px solid var(--line);
}
.num-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease}
.num-item:hover .num-thumb img{transform:scale(1.05)}

/* ---------- 关注方向 ---------- */
.focus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.focus-card{
  display:grid;grid-template-columns:172px minmax(0,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
}
.focus-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px)}
.focus-card .thumb{position:relative;background:var(--green-soft);min-height:100%}
.focus-card .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.focus-body{padding:20px 22px}
.focus-body h3{font-size:19px;font-weight:700}
.focus-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.focus-body .badge{margin-bottom:10px}

/* ---------- 阅读路径 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;position:relative;margin-top:8px}
.flow::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:1px;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 20px);
}
.flow-step{position:relative}
.flow-num{
  position:relative;z-index:1;width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;background:var(--card);border:1px solid var(--line);
  font-family:var(--mono);font-size:16px;font-weight:800;color:var(--green);
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:19px;font-weight:700;margin-top:18px}
.flow-step p{margin-top:6px;font-size:14.5px;color:var(--muted);max-width:34ch}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:340px minmax(0,1fr);gap:56px;align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.02em}
.faq-side p{margin-top:12px;font-size:15px;color:var(--muted);max-width:32ch}
.faq-side .btn{margin-top:20px}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{position:relative;border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color 180ms ease;
}
.faq-q:hover{color:var(--green)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--green);border-radius:1px;
  transition:transform 200ms ease,background-color 180ms ease;
}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-item.open::before{
  content:"";position:absolute;left:-16px;top:18px;bottom:18px;width:3px;
  background:var(--lime-deep);border-radius:2px;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-item.open .faq-a{max-height:360px}
.faq-a p{padding:0 4px 20px;font-size:15px;color:var(--muted);line-height:1.85;max-width:70ch}

/* ---------- 订阅 ---------- */
.subscribe-block{padding:0 0 88px}
.subscribe-inner{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:44px;
  padding:48px;border-radius:var(--radius-lg);background:var(--ink);color:#EFEEE7;overflow:hidden;
}
.subscribe-inner::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime)}
.subscribe-inner h2{font-size:clamp(23px,2.8vw,31px);font-weight:800;letter-spacing:-.02em;color:#fff}
.subscribe-inner p{margin-top:12px;font-size:15px;color:#B6BDB4;max-width:38ch}
.subscribe-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.subscribe-points span{
  padding:5px 12px;border-radius:999px;border:1px solid rgba(216,243,90,.32);
  color:var(--lime);font-size:13px;font-weight:600;
}
.sub-form{display:grid;gap:12px;align-content:start}
.field label{display:block;font-size:13.5px;font-weight:600;color:#D6DBD2;margin-bottom:6px}
.field label .req{color:var(--lime);margin-left:2px}
.field input[type="email"]{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.2);background:#fff;color:var(--ink);
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.field input[type="email"]:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(216,243,90,.35);
}
.field input[type="email"].is-error{border-color:#B3402A;box-shadow:0 0 0 3px rgba(179,64,42,.22)}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:#B6BDB4}
.check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--green)}
.form-msg{font-size:13px;color:var(--lime);min-height:20px}
.form-msg.err{color:#F5A08C}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E9E7DF;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark i{background:var(--lime)}
.footer-brand p{margin-top:16px;font-size:14px;color:#A9B1A9;max-width:38ch;line-height:1.8}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:#A9B1A9;transition:color 160ms ease}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:#A9B1A9;padding:5px 0;line-height:1.7}
.footer-contact b{color:#fff;margin-right:8px;font-weight:600}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8C948C;
}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .nav-link{padding:9px 10px;font-size:14.5px}
  .split{grid-template-columns:200px minmax(0,1fr);gap:32px}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .header-inner{height:68px}
  .hero{padding:40px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-lead{max-width:none}
  .data-strip{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .index-rail{position:static}
  .focus-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:22px}
  .flow::before{display:none}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .subscribe-inner{grid-template-columns:1fr;padding:34px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .num-item{grid-template-columns:48px minmax(0,1fr) 96px;gap:16px;padding:18px 0}
  .num-thumb{width:96px}
  .num-index{font-size:22px}
  .num-title{font-size:17px}
  .focus-card{grid-template-columns:1fr}
  .focus-card .thumb{position:relative;min-height:0;aspect-ratio:16/9}
  .subscribe-block{padding-bottom:64px}
  .faq-item.open::before{left:-10px}
}
@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .hero-actions .btn{width:100%}
  .num-item{grid-template-columns:36px minmax(0,1fr);gap:12px}
  .num-thumb{display:none}
  .num-index{font-size:20px}
  .data-strip{grid-template-columns:1fr}
  .subscribe-inner{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .section-head{margin-bottom:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --green:#1F6F4A;
  --green-deep:#155239;
  --green-soft:#E7EFE6;
  --green-mist:#F0F4EC;
  --lime:#D8F35A;
  --lime-deep:#A8C93A;
  --ink:#0E1116;
  --paper:#F4F3EE;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --text:#20262C;
  --muted:#5C665F;
  --orange:#F26A2E;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:8px;
  --shadow-hover:0 8px 24px rgba(14,17,22,.08);
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,"Arial Narrow",monospace;
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  background-image:linear-gradient(to right,rgba(31,111,74,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(31,111,74,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;text-decoration:none;flex:none}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;width:28px;height:28px;padding:5px;background:var(--ink);border-radius:7px}
.brand-mark i{display:block;width:4px;background:var(--lime);border-radius:1px}
.brand-mark i:nth-child(1){height:7px}
.brand-mark i:nth-child(2){height:11px}
.brand-mark i:nth-child(3){height:15px}
.brand-text{font-size:17px;letter-spacing:.01em;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:9px 13px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;color:var(--text);transition:color var(--t),background var(--t)}
.nav-link:hover{color:var(--green);background:var(--green-mist)}
.nav-link.active{color:var(--green);background:var(--green-soft)}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--lime)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;transition:border-color var(--t),color var(--t)}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.nav-toggle .bars{display:inline-flex;flex-direction:column;justify-content:space-between;width:16px;height:12px}
.nav-toggle .bars span{display:block;height:2px;border-radius:2px;background:currentColor}
.nav-drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:14px 16px 22px}
.nav-drawer.open{display:block}
.drawer-link{display:block;padding:13px 14px;border-radius:var(--radius-sm);font-size:17px;font-weight:600;color:var(--text)}
.drawer-link:active,.drawer-link:hover{background:var(--green-mist);color:var(--green)}
.drawer-link.active{color:var(--green);background:var(--green-soft);box-shadow:inset 3px 0 0 var(--lime)}
.drawer-cta{display:grid;gap:10px;margin-top:14px}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-decoration:none;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--green);border-color:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep);border-color:var(--green-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--green-deep);transform:translateY(-1px)}
.btn-light{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.btn-light:hover{background:#E6FA85;border-color:#E6FA85;color:var(--ink);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(244,243,238,.55);color:#F4F3EE}
.btn-outline-light:hover{background:rgba(244,243,238,.12);border-color:var(--lime);color:var(--lime)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green);border-bottom:1px solid rgba(31,111,74,.35);padding-bottom:2px;transition:border-color var(--t),color var(--t)}
.btn-text:hover{border-color:var(--green);color:var(--green-deep)}

/* ============ common ============ */
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green);flex:none}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13.5px;font-weight:600;color:var(--text);transition:border-color var(--t),color var(--t),background var(--t)}
.chip:hover{border-color:var(--green);color:var(--green);background:var(--green-mist)}
.chip.is-on{border-color:var(--green);background:var(--green);color:#fff}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.section{padding:76px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head h2{font-size:33px;letter-spacing:-.01em}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px;line-height:1.75}
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"";width:12px;height:1px;background:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .current{color:var(--ink);font-weight:600}
.badge-now{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;background:rgba(242,106,46,.12);color:#C24E17;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge-now::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ hero ============ */
.cat-hero{padding:34px 0 0}
.hero-grid{display:grid;grid-template-columns:1.2fr .92fr;gap:44px;align-items:center}
.hero-copy h1{font-size:54px;letter-spacing:-.02em;margin:18px 0 0}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.hero-meta div{min-width:96px}
.hero-meta dt{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.hero-meta dd{margin:4px 0 0;font-size:16px;font-weight:700;color:var(--ink)}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--green-soft)}
.hero-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,17,22,.05) 0%,rgba(14,17,22,.62) 100%)}
.hero-caption{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#F4F3EE;font-size:13.5px;line-height:1.6;font-weight:600}
.hero-caption b{display:block;font-size:15px;color:var(--lime);margin-bottom:2px}
.hero-stamp{position:absolute;top:16px;right:16px;z-index:2;display:grid;place-items:center;width:56px;height:56px;border-radius:12px;background:rgba(14,17,22,.72);border:1px solid rgba(216,243,90,.45);color:var(--lime);font-family:var(--font-mono);font-size:20px;font-weight:700;letter-spacing:.02em}

/* ============ quick strip ============ */
.quick-strip{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.quick-strip .label{font-size:13px;font-weight:700;color:var(--green);letter-spacing:.05em;flex:none}
.quick-strip .sep{width:1px;height:18px;background:var(--line)}
.quick-strip ul{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14.5px;color:var(--muted)}
.quick-strip li{display:flex;align-items:center;gap:8px}
.quick-strip li::before{content:"";width:6px;height:6px;background:var(--lime-deep);border-radius:1px;flex:none}

/* ============ topic cards 2x2 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.topic-card{position:relative;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--green);border-radius:var(--radius);padding:26px 26px 22px;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--green)}
.tone-green{border-top-color:var(--green)}
.tone-lime{border-top-color:var(--lime-deep)}
.tone-ink{border-top-color:var(--ink)}
.tone-teal{border-top-color:#2E7D74}
.topic-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.topic-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:34px;font-weight:700;line-height:1;color:var(--line);letter-spacing:-.02em}
.topic-card:hover .topic-num{color:var(--green)}
.topic-tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:var(--green-mist);color:var(--green-deep);font-size:12.5px;font-weight:700;white-space:nowrap}
.topic-card h3{font-size:21px;margin-top:14px}
.topic-card .desc{margin-top:9px;font-size:14.5px;line-height:1.75;color:var(--muted)}
.dot-list{margin-top:16px;display:grid;gap:9px}
.dot-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--text)}
.dot-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--lime-deep)}
.topic-foot{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.topic-foot .btn-text{font-size:14px}

/* ============ steps ============ */
.steps-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 34px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;position:relative}
.step{position:relative;padding:0 30px 0 0}
.step+.step{padding-left:30px;border-left:1px solid var(--line)}
.step-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:40px;font-weight:700;line-height:1;color:var(--line);letter-spacing:-.03em}
.step:hover .step-num{color:var(--green)}
.step h3{font-size:19px;margin-top:12px}
.step p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--muted)}
.step-line{margin-top:20px;height:3px;width:46px;border-radius:2px;background:var(--lime)}

/* ============ focus 7/5 ============ */
.focus-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:start}
.focus-figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;background:var(--green-soft)}
.focus-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.focus-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 22px 16px;background:linear-gradient(180deg,rgba(14,17,22,0) 0%,rgba(14,17,22,.82) 100%);color:#F4F3EE;font-size:13.5px;line-height:1.65}
.focus-figure figcaption b{display:block;color:var(--lime);font-size:15px;margin-bottom:3px}
.focus-list{display:grid;gap:14px}
.focus-item{background:#fff;border:1px solid var(--line);border-left:3px solid var(--lime-deep);border-radius:var(--radius);padding:18px 20px;transition:border-color var(--t),box-shadow var(--t),transform var(--t)}
.focus-item:hover{border-color:var(--green);border-left-color:var(--green);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.focus-item .meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.focus-item h3{font-size:17px;margin-top:8px;line-height:1.5}
.focus-item p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7}
.index-box{margin-top:16px;background:var(--green-mist);border:1px dashed var(--line);border-radius:var(--radius);padding:20px 22px}
.index-box h3{font-size:15px;color:var(--green-deep);letter-spacing:.02em}
.index-box ul{margin-top:12px;display:grid;gap:9px}
.index-box li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}
.index-box .mono{color:var(--green);font-size:13px;font-weight:700}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:.82fr 1.4fr;gap:52px;align-items:start}
.faq-aside h2{font-size:32px;letter-spacing:-.01em}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-aside .btn{margin-top:22px}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line);border-left:3px solid transparent;padding-left:18px;transition:border-left-color var(--t),background var(--t)}
.faq-item.open{border-left-color:var(--lime);background:var(--green-mist)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 6px;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;line-height:1.55}
.faq-q:hover{color:var(--green)}
.faq-icon{position:relative;flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);background:#fff;transition:transform var(--t),border-color var(--t),background var(--t)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;background:var(--green);border-radius:1px;transform:translate(-50%,-50%)}
.faq-icon::before{width:9px;height:1.6px}
.faq-icon::after{width:1.6px;height:9px;transition:opacity var(--t)}
.faq-item.open .faq-icon{background:var(--lime);border-color:var(--lime-deep);transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{display:none;padding:0 44px 20px 6px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.open .faq-a{display:block}

/* ============ cta ============ */
.cta-section{padding:0 0 84px}
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#F4F3EE;border-radius:var(--radius-lg);padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:34px}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--lime)}
.cta-band::after{content:"";position:absolute;right:-60px;top:-70px;width:230px;height:230px;border:1px solid rgba(216,243,90,.22);border-radius:50%}
.cta-band h2{font-size:29px;color:#F4F3EE;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(244,243,238,.72);max-width:560px}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cta-tags span{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;border:1px solid rgba(216,243,90,.35);color:var(--lime);font-size:13px;font-weight:600}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(244,243,238,.76);padding:66px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{color:#F4F3EE}
.footer-brand .brand-text{color:#F4F3EE}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(244,243,238,.62);max-width:330px}
.footer-col h3{font-size:15px;color:var(--lime);letter-spacing:.04em;margin-bottom:16px;font-weight:700}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;color:rgba(244,243,238,.76);transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--lime)}
.footer-contact{display:grid;gap:11px;font-size:14px;line-height:1.75;color:rgba(244,243,238,.68)}
.footer-contact li b{display:inline-block;min-width:34px;color:var(--lime);font-weight:700}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(244,243,238,.14);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(244,243,238,.5)}

/* ============ responsive ============ */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy h1{font-size:44px}
  .hero-media{order:2}
  .focus-grid{grid-template-columns:1fr;gap:26px}
  .faq-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:68px;gap:16px}
  .header-actions .btn-sm{display:none}
  .header-actions{margin-left:auto}
  .section{padding:60px 0}
  .section-head h2{font-size:28px}
  .steps{grid-template-columns:1fr;gap:24px}
  .step{padding:0}
  .step+.step{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:24px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-copy h1{font-size:36px}
  .hero-lead{font-size:16px}
  .hero-meta{gap:18px}
  .topic-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .quick-strip{padding:16px 18px}
  .quick-strip .sep{display:none}
  .steps-wrap{padding:26px 20px}
  .section{padding:48px 0}
  .cta-section{padding-bottom:56px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-copy h1{font-size:30px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:24px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:17px 4px}
  .faq-a{padding-right:10px}
  .topic-card{padding:22px 18px 18px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category5 */
:root{
  --green:#1F6F4A;
  --green-dark:#17543A;
  --green-soft:rgba(31,111,74,.08);
  --ink:#0E1116;
  --lime:#D8F35A;
  --paper:#F4F3EE;
  --card:#FFFFFF;
  --line:#D8DDD2;
  --text:#20262C;
  --muted:#5C665F;
  --orange:#F26A2E;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-hover:0 8px 24px rgba(14,17,22,.08);
  --mono:ui-monospace,SFMono-Regular,"SF Mono","Roboto Mono","Arial Narrow",monospace;
  --sans:system-ui,-apple-system,"PingFang 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(--sans);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(31,111,74,.22)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);color:var(--green)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#E4FA7C;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F4F3EE;border-color:rgba(244,243,238,.42)}
.btn-outline-light:hover{background:rgba(244,243,238,.1);border-color:var(--lime);color:var(--lime)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{
  display:inline-block;color:var(--green);font-weight:600;font-size:15px;text-decoration:none;
  border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color .18s ease,border-color .18s ease;
}
.text-link:hover{color:var(--green-dark);border-color:var(--green)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;flex:0 0 auto}
.brand-mark{display:inline-grid;grid-auto-flow:column;align-items:end;gap:3px;height:22px;width:26px}
.brand-mark i{display:block;width:5px;border-radius:2px;background:var(--green)}
.brand-mark i:nth-child(1){height:9px}
.brand-mark i:nth-child(2){height:15px;background:var(--ink)}
.brand-mark i:nth-child(3){height:22px;background:var(--lime);border:1px solid var(--green)}
.brand-text{font-size:18px;letter-spacing:.01em;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-link{
  position:relative;padding:10px 13px;border-radius:8px;text-decoration:none;
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--green);background:var(--green-soft)}
.nav-link.active{color:var(--green);font-weight:600;background:var(--green-soft)}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;cursor:pointer;transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.bars span{display:block;height:2px;background:currentColor;border-radius:2px}
.nav-drawer{display:none;background:var(--card);border-top:1px solid var(--line);padding:10px 16px 20px}
.nav-drawer.open{display:block}
.drawer-link{
  display:block;padding:14px 8px;font-size:18px;font-weight:600;text-decoration:none;
  color:var(--ink);border-bottom:1px solid var(--line);transition:color .18s ease,background .18s ease;
}
.drawer-link:hover{color:var(--green)}
.drawer-link.active{color:var(--green);background:var(--green-soft);border-left:3px solid var(--lime);padding-left:14px}
.drawer-cta{display:grid;gap:10px;margin-top:16px}

/* ---------- 页头区 ---------- */
.page-band{
  padding:26px 0 44px;
  border-bottom:1px solid var(--line);
  background-color:var(--paper);
  background-image:linear-gradient(rgba(14,17,22,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(14,17,22,.04) 1px,transparent 1px);
  background-size:34px 34px;
}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .18s ease}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb [aria-current]{color:var(--text);font-weight:600}
.page-head{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:40px;align-items:end}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--green);
}
.eyebrow::before{content:"";width:24px;height:3px;background:var(--lime);border-radius:2px}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.14;color:var(--ink)}
.page-lead{margin:18px 0 22px;max-width:56ch;font-size:17px;color:var(--muted);line-height:1.85}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);font-size:13px;color:var(--text);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.chip:hover{border-color:var(--green);color:var(--green);background:var(--green-soft)}
.page-facts{display:grid;gap:16px;border-left:1px solid var(--line);padding-left:26px}
.fact dt{font-size:12px;letter-spacing:.09em;color:var(--muted);font-weight:600}
.fact dd{margin:5px 0 0;font-size:15px;font-weight:600;color:var(--ink);line-height:1.6}

/* ---------- 杂志式首屏 ---------- */
.magazine{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start}
.lead-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.lead-card:hover{border-color:var(--green);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.lead-media{display:block;aspect-ratio:16/10;overflow:hidden;background:#E6EBE2}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.lead-card:hover .lead-media img{transform:scale(1.02)}
.lead-body{padding:26px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--green-soft);color:var(--green);
}
.badge-live{background:rgba(242,106,46,.12);color:#B4451A}
.lead-title{font-size:clamp(22px,2.5vw,30px);line-height:1.36;margin:14px 0 12px;color:var(--ink)}
.lead-title a{color:inherit;text-decoration:none;transition:color .18s ease}
.lead-title a:hover{color:var(--green)}
.lead-body p{color:var(--muted);line-height:1.85;margin-bottom:18px}
.meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted);font-family:var(--mono)}
.summary-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.summary-item{
  display:block;padding:20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);text-decoration:none;color:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.summary-item:hover{border-color:var(--green);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.summary-item .num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--green)}
.summary-item h3{font-size:17px;line-height:1.5;margin:9px 0 7px;color:var(--ink)}
.summary-item p{font-size:14px;color:var(--muted);line-height:1.75}
.mag-right{display:grid;gap:20px;position:sticky;top:100px}
.quote-card{
  margin:0;padding:24px;border-radius:0 var(--radius-card) var(--radius-card) 0;
  background:rgba(31,111,74,.07);border-left:4px solid var(--lime);
  font-size:17px;line-height:1.75;color:var(--ink);
}
.quote-card cite{display:block;margin-top:12px;font-size:13px;font-style:normal;color:var(--muted)}
.index-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px}
.index-card h2{font-size:14px;letter-spacing:.1em;color:var(--muted);margin-bottom:10px}
.index-list li a{
  display:flex;gap:12px;padding:12px 6px;border-top:1px solid var(--line);
  text-decoration:none;color:var(--ink);font-size:15px;line-height:1.6;
  transition:color .18s ease,padding-left .18s ease;
}
.index-list li:first-child a{border-top:0}
.index-list li a:hover{color:var(--green);padding-left:12px}
.index-list .num{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--green);padding-top:4px}

/* ---------- 板块头 ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin-bottom:8px;color:var(--ink)}
.section-head p{color:var(--muted);line-height:1.8;max-width:62ch}

/* ---------- 经营观察 ---------- */
.observe-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px}
.observe-item{display:grid;grid-template-columns:58px minmax(0,1fr);gap:16px;padding:26px 0;border-top:1px solid var(--line)}
.big-num{font-family:var(--mono);font-size:32px;line-height:1;font-weight:700;color:var(--green);opacity:.8}
.observe-item h3{font-size:19px;line-height:1.5;margin-bottom:8px;color:var(--ink)}
.observe-item p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 近期报道 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.story-card{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:18px;padding:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  text-decoration:none;color:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.story-card:hover{border-color:var(--green);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.story-thumb{aspect-ratio:4/3;border-radius:8px;overflow:hidden;background:#E6EBE2}
.story-thumb img{width:100%;height:100%;object-fit:cover}
.story-card h3{
  font-size:17px;line-height:1.5;margin:9px 0 7px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.story-card p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.story-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.story-top .time{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:52px;align-items:start}
.faq-side h2{font-size:clamp(24px,2.8vw,32px);line-height:1.35;margin-bottom:14px}
.faq-side p{color:var(--muted);line-height:1.85;margin-bottom:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);transition:color .18s ease;
}
.faq-q::before{
  content:"";position:absolute;left:-4px;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:transparent;transition:background .18s ease;
}
.faq-item.open .faq-q::before{background:var(--lime)}
.faq-q:hover{color:var(--green)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{display:none;padding:0 4px 22px}
.faq-item.open .faq-a{display:block}
.faq-a p{font-size:15.5px;line-height:1.9;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-strip{position:relative;background:var(--ink);color:#F4F3EE;overflow:hidden}
.cta-strip::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--lime) 0%,rgba(216,243,90,0) 70%)}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:44px;align-items:center;padding:66px 0}
.cta-inner h2{font-size:clamp(24px,3vw,32px);line-height:1.35;margin-bottom:12px;color:#fff}
.cta-inner p{color:rgba(244,243,238,.72);line-height:1.85;margin-bottom:20px;max-width:52ch}
.cta-points{display:flex;flex-wrap:wrap;gap:10px}
.cta-points li{
  font-size:13px;padding:6px 13px;border-radius:999px;
  border:1px solid rgba(216,243,90,.36);color:var(--lime);
}
.cta-actions{display:grid;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,243,238,.76);padding:64px 0 28px;border-top:1px solid rgba(244,243,238,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(244,243,238,.12)}
.footer-brand .brand{color:#F4F3EE}
.site-footer .brand-mark i:nth-child(2){background:#F4F3EE}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:38ch;color:rgba(244,243,238,.68)}
.footer-col h3{font-size:14px;letter-spacing:.07em;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;line-height:1.95;color:rgba(244,243,238,.72);text-decoration:none;transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:var(--lime);padding-left:4px}
.footer-contact{display:grid;gap:10px;font-size:14px;line-height:1.7}
.footer-contact b{display:inline-block;min-width:42px;color:var(--lime);font-weight:600}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:rgba(244,243,238,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{height:66px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .page-head{grid-template-columns:1fr;gap:26px}
  .page-facts{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:22px;grid-template-columns:repeat(2,minmax(0,1fr))}
  .magazine{grid-template-columns:1fr}
  .mag-right{position:static}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .story-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:54px 0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:52px 0}
  .summary-list{grid-template-columns:1fr}
  .observe-grid{grid-template-columns:1fr;gap:0}
  .story-card{grid-template-columns:104px minmax(0,1fr);gap:14px;padding:14px}
  .cta-actions .btn{width:100%}
  .lead-body{padding:20px}
  .section-head{margin-bottom:26px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  h1{font-size:30px}
  .page-band{padding:20px 0 34px}
  .page-facts{grid-template-columns:1fr}
  .story-card{grid-template-columns:1fr}
  .story-thumb{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr}
  .observe-item{grid-template-columns:44px minmax(0,1fr);gap:12px}
  .big-num{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}