/* roulang page: index */
:root{
  --c-deep:#08372A;
  --c-primary:#0E7A57;
  --c-bright:#17C08D;
  --c-accent:#FF7A2F;
  --c-ink:#0B1F1A;
  --c-body:#40534C;
  --c-mute:#7C8B84;
  --c-bg:#F4F8F5;
  --c-card:#FFFFFF;
  --c-line:#E2EBE6;
  --c-tint:#E8F6F0;
  --grad-brand:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-rest:0 8px 24px rgba(11,31,26,.06);
  --sh-hover:0 16px 40px rgba(11,31,26,.12);
  --sh-modal:0 32px 80px rgba(8,55,42,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Bahnschrift,"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section--tint{background:var(--c-tint);}
.section--plain{background:var(--c-card);}
.num{font-family:var(--font-num);letter-spacing:.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--c-primary);background:var(--c-tint);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--c-ink);
  letter-spacing:0;
}
.sec-head p{margin-top:14px;font-size:16px;color:var(--c-mute);}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(14,122,87,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);filter:saturate(1.08) brightness(1.06);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 26px rgba(255,122,47,.3);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);filter:brightness(1.06);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:var(--c-card);color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn[disabled]{background:#DDE5E1;color:#9AA8A2;box-shadow:none;pointer-events:none;border-color:transparent;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:0;}
.logo:hover{color:var(--c-ink);}
.logo .logo-mark{flex:0 0 auto;width:30px;height:30px;}
.logo .lg-a{color:var(--c-primary);}
.logo .lg-b{color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.main-nav a{
  position:relative;display:block;padding:10px 12px;
  font-size:15px;font-weight:500;color:var(--c-body);border-radius:var(--r-sm);
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-tint);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-accent);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--c-bright);box-shadow:0 0 0 4px rgba(23,192,141,.14);}
.nav-search svg{flex:0 0 auto;color:var(--c-mute);}
.nav-search input{border:0;outline:none;background:transparent;width:150px;font-size:14px;}
.nav-search input::placeholder{color:var(--c-mute);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);transition:transform .25s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;position:fixed;inset:60px 0 0 0;z-index:55;
  background:rgba(255,255,255,.97);backdrop-filter:blur(8px);
  padding:16px 20px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a.dr-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;margin-bottom:6px;
  font-size:16px;color:var(--c-ink);border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;
}
.mobile-drawer a.dr-link.is-active{color:var(--c-primary);border-color:var(--c-bright);background:var(--c-tint);font-weight:600;}
.mobile-drawer .dr-cta{margin-top:14px;}
/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad-brand);
  padding:72px 0 80px;
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.hero::before{width:620px;height:620px;top:-260px;right:-160px;}
.hero::after{width:420px;height:420px;top:-160px;right:-60px;}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:700;color:#fff;letter-spacing:0;
}
.hero .hero-brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;color:#D6F5EA;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero .hero-sub{
  margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-tags span{
  font-size:13px;color:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.28);border-radius:var(--r-pill);
  padding:6px 14px;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-lg);border:4px solid #fff;box-shadow:var(--sh-modal);
}
.float-badge{
  position:absolute;right:-8px;bottom:-18px;
  background:#fff;border:1px solid var(--c-bright);border-radius:var(--r-md);
  padding:14px 20px;box-shadow:var(--sh-hover);text-align:left;
}
.float-badge .fb-num{
  font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1;color:var(--c-primary);
}
.float-badge .fb-label{font-size:13px;color:var(--c-mute);margin-top:6px;}
/* ---------- trust strip ---------- */
.trust{background:#fff;border-bottom:1px solid var(--c-line);}
.trust-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 0;
}
.trust-inner .trust-item{
  display:flex;align-items:center;gap:8px;font-size:14px;color:#8B978F;
  filter:grayscale(1);opacity:.86;
}
.trust-inner .trust-item svg{flex:0 0 auto;}
/* ---------- pain cards ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.pain-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-rest);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFE6DC;}
.pain-card .icon{
  width:44px;height:44px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  background:var(--c-tint);color:var(--c-primary);margin-bottom:16px;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.pain-card:hover .icon{color:var(--c-accent);background:#FFF1E8;}
.pain-card h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--c-ink);}
.pain-card p{margin-top:10px;font-size:14px;color:var(--c-mute);line-height:1.8;}
/* ---------- solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.sol-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-rest);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.sol-card--main{grid-column:span 2;flex-direction:row;align-items:stretch;}
.sol-card--main .sol-media{flex:0 0 44%;}
.sol-card--main .sol-media img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.sol-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.sol-body{padding:28px 26px;display:flex;flex-direction:column;flex:1;}
.sol-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-ink);}
.sol-body p{margin-top:12px;font-size:15px;color:var(--c-body);}
.sol-points{margin-top:18px;display:grid;gap:10px;}
.sol-points li{
  position:relative;padding-left:20px;font-size:15px;color:var(--c-body);
}
.sol-points li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);
}
.sol-body .sol-cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap;}
.chip{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-tint);border-radius:var(--r-pill);padding:4px 12px;
}
/* ---------- stats ---------- */
.stats{position:relative;background:var(--c-deep);color:#fff;padding:72px 0;overflow:hidden;}
.stats::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);
  padding:26px 24px;background:rgba(255,255,255,.04);
}
.stat .st-num{
  font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1.1;color:#fff;
  letter-spacing:.5px;
}
.stat .st-num em{font-style:normal;color:var(--c-accent);font-size:22px;margin-left:4px;}
.stat .st-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-rest);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  display:flex;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-link{display:flex;flex-direction:column;width:100%;color:inherit;}
.news-link:hover{color:inherit;}
.news-link img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  margin-top:14px;font-size:19px;line-height:1.45;font-weight:600;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover h3{color:var(--c-primary);}
.news-body p{
  margin-top:10px;font-size:14px;color:var(--c-mute);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-mute);border-top:1px dashed var(--c-line);
}
.news-meta .arrow{color:var(--c-primary);font-weight:600;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:var(--c-card);border:1px dashed #CFE6DC;border-radius:var(--r-lg);
}
.empty-state .es-icon{
  width:60px;height:60px;margin:0 auto 16px;border-radius:50%;
  background:var(--c-tint);display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.empty-state p{color:var(--c-mute);font-size:15px;}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;}
.steps::before{
  content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;
  background:repeating-linear-gradient(90deg,var(--c-bright) 0 8px,transparent 8px 16px);
  opacity:.5;
}
.step{position:relative;text-align:left;}
.step .step-no{
  width:52px;height:52px;border-radius:50%;background:var(--c-accent);color:#fff;
  font-family:var(--font-num);font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  box-shadow:0 10px 24px rgba(255,122,47,.32);position:relative;z-index:2;
}
.step h3{font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.45;}
.step p{margin-top:10px;font-size:14px;color:var(--c-mute);line-height:1.85;}
/* ---------- faq ---------- */
.faq-list{max-width:920px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:background .25s var(--ease),border-color .25s var(--ease);
}
.faq-item.is-open{background:var(--c-tint);border-color:#CFE6DC;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-q .faq-arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-mute);
  transition:transform .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--c-accent);border-color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--c-body);}
/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:start;}
.contact-info h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--c-ink);}
.contact-info p{margin-top:16px;font-size:16px;color:var(--c-body);}
.info-list{margin-top:28px;display:grid;gap:14px;}
.info-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-body);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);padding:16px 18px;
}
.info-list li b{color:var(--c-ink);font-weight:600;}
.form-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-rest);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;padding:0 14px;height:48px;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,122,87,.12);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-mute) 50%),linear-gradient(135deg,var(--c-mute) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-mute);margin-bottom:22px;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 auto;}
.form-success{
  display:none;text-align:center;padding:28px 20px;
  background:var(--c-tint);border:1px solid #CFE6DC;border-radius:var(--r-md);
}
.form-success.is-visible{display:block;}
.form-success .fs-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.form-success p{font-size:15px;color:var(--c-body);}
.form-success button{
  margin-top:16px;font-size:15px;font-weight:600;color:var(--c-primary);text-decoration:underline;
}
/* ---------- cta band ---------- */
.cta-band{background:var(--grad-brand);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;width:480px;height:480px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);top:-220px;right:-120px;
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:24px;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:620px;}
/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);position:relative;padding-top:3px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 40px;
}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .f-logo .lg-a{color:var(--c-bright);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.qr-box{
  margin-top:16px;width:104px;height:104px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(255,255,255,.6);padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}
/* ---------- floating ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:50;
  display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 24px;
  border-radius:var(--r-pill);background:var(--c-accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 14px 34px rgba(255,122,47,.36);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.float-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);}
/* ---------- responsive ---------- */
@media (max-width:1180px){
  .main-nav a{padding:10px 9px;font-size:14px;}
  .nav-search input{width:110px;}
}
@media (max-width:1024px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:56px 0 64px;}
  .hero-visual img{aspect-ratio:16/10;}
  .sol-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sol-card--main{grid-column:span 2;flex-direction:column;}
  .sol-card--main .sol-media{flex:none;}
  .sol-card--main .sol-media img{min-height:0;aspect-ratio:16/9;}
  .pain-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .steps::before{display:none;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:48px 0 32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .nav-wrap{height:60px;}
  .logo{font-size:15px;gap:8px;}
  .logo .logo-mark{width:26px;height:26px;}
  .mobile-drawer{inset:60px 0 0 0;}
  .hero{padding:44px 0 56px;}
  .hero .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .float-badge{right:8px;bottom:-14px;padding:12px 16px;}
  .float-badge .fb-num{font-size:26px;}
  .trust-inner{justify-content:flex-start;gap:12px 20px;}
  .pain-grid,.news-grid,.sol-grid,.steps{grid-template-columns:1fr;}
  .sol-card--main{grid-column:span 1;}
  .stats-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{right:0;left:0;bottom:0;border-radius:0;height:56px;justify-content:center;}
  body{padding-bottom:56px;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .sec-head h2{font-size:23px;}
  .stat .st-num{font-size:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-deep:#08372A;
  --c-primary:#0E7A57;
  --c-bright:#17C08D;
  --c-accent:#FF7A2F;
  --c-ink:#0B1F1A;
  --c-body:#40534C;
  --c-mute:#7C8B84;
  --c-bg:#F4F8F5;
  --c-card:#FFFFFF;
  --c-line:#E2EBE6;
  --c-tint:#E8F6F0;
  --grad:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(11,31,26,.06);
  --sh-2:0 16px 40px rgba(11,31,26,.12);
  --sh-3:0 32px 80px rgba(8,55,42,.28);
  --mono:"Bahnschrift","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sec-pad:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--c-accent);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-ink);white-space:nowrap;}
.logo-mark{width:26px;height:26px;flex:none;}
.logo .lg-a{color:var(--c-primary);}
.logo .lg-b{color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.main-nav a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-body);
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-tint);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:999px;background:var(--c-accent);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;
  background:#fff;color:var(--c-mute);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-bright);box-shadow:0 0 0 4px rgba(23,192,141,.14);}
.nav-search input{
  border:0;outline:0;background:transparent;width:150px;font-size:14px;color:var(--c-ink);
}
.nav-search input::placeholder{color:var(--c-mute);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;min-height:42px;padding:0 20px;font-size:14px;box-shadow:0 8px 20px rgba(255,122,47,.26);}
.btn-accent:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,122,47,.34);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.62);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-outline{background:#fff;border:1px solid var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-tint);color:var(--c-primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);position:relative;background:#fff;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#E8F6F0 0%,#F4F8F5 62%,#F4F8F5 100%);
  padding:56px 0 64px;
  border-bottom:1px solid var(--c-line);
}
.page-head::after{
  content:"";position:absolute;right:-120px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,192,141,.14) 0%,rgba(23,192,141,0) 68%);
}
.head-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-mute);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--c-mute);}
.crumb a:hover{color:var(--c-primary);}
.crumb span{color:var(--c-ink);font-weight:600;}
.head-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-primary);font-weight:600;margin-bottom:16px;
}
.head-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}
.page-head h1{margin-bottom:18px;}
.page-head h1 em{font-style:normal;background:linear-gradient(120deg,#0E7A57,#17C08D);-webkit-background-clip:text;background-clip:text;color:transparent;}
.head-lead{font-size:17px;color:var(--c-body);max-width:640px;margin-bottom:26px;}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;}
.head-visual{position:relative;}
.head-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);
  border:4px solid #fff;
  box-shadow:var(--sh-2);
}
.head-badge{
  position:absolute;right:-10px;bottom:-18px;
  background:#fff;border:1px solid var(--c-bright);
  border-radius:var(--r-md);padding:14px 20px;
  box-shadow:var(--sh-2);text-align:center;
}
.head-badge b{display:block;font-family:var(--mono);font-size:30px;line-height:1.1;letter-spacing:.5px;color:var(--c-primary);}
.head-badge span{font-size:12px;color:var(--c-mute);}

/* ---------- anchor chips ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:50;
  background:rgba(244,248,245,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:none;display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:14px;color:var(--c-body);font-weight:500;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-tint);}
.chip.is-current{background:var(--c-accent);border-color:var(--c-accent);color:#fff;font-weight:600;}

/* ---------- section base ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head h2{margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--c-body);}
.sec-badge{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-tint);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
  font-family:var(--mono);
}

/* ---------- zigzag rows ---------- */
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:34px 0;
}
.zig-row + .zig-row{border-top:1px dashed var(--c-line);}
.zig-row.reverse .zig-media{order:2;}
.zig-media{position:relative;}
.zig-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:box-shadow .3s ease,transform .3s ease;
}
.zig-row:hover .zig-media img{box-shadow:var(--sh-2);transform:translateY(-2px);}
.zig-index{
  position:absolute;left:16px;top:16px;
  font-family:var(--mono);font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  border:1px solid var(--c-line);
}
.zig-body h3{margin-bottom:14px;}
.zig-body > p{margin-bottom:18px;}
.zig-list{display:grid;gap:12px;margin-bottom:20px;}
.zig-list li{
  position:relative;padding-left:26px;font-size:15.5px;color:var(--c-body);
}
.zig-list li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:9px;height:9px;border-radius:3px;background:var(--c-accent);transform:translateY(-50%);
}
.zig-list li b{color:var(--c-ink);font-weight:600;}
.zig-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--c-primary);}
.zig-link svg{transition:transform .24s ease;}
.zig-link:hover svg{transform:translateX(4px);}

/* ---------- stat strip ---------- */
.stat-strip{
  background:var(--c-deep);
  border-top:3px solid transparent;
  border-image:linear-gradient(90deg,#08372A,#0E7A57,#17C08D) 1;
  color:#fff;padding:56px 0;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:24px;
}
.stat-item b{
  display:block;font-family:var(--mono);font-size:34px;line-height:1.1;
  letter-spacing:.5px;color:var(--c-bright);margin-bottom:10px;
}
.stat-item span{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.7;display:block;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:background .25s ease,border-color .25s ease;
}
.faq-item.is-open{background:var(--c-tint);border-color:#CDE9E0;box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q .chev{
  flex:none;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-mute);
  display:flex;align-items:center;justify-content:center;
  transition:transform .28s ease,color .28s ease,border-color .28s ease;
}
.faq-item.is-open .chev{transform:rotate(180deg);color:var(--c-accent);border-color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--c-body);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);color:#fff;
  padding:64px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  border:44px solid rgba(255,255,255,.07);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.82);max-width:600px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);position:relative;padding-top:56px;}
.site-footer::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,#08372A,#0E7A57,#17C08D);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.f-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.f-logo .lg-a{color:var(--c-bright);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{font-size:14px;margin-bottom:8px;}
.qr-box{
  margin-top:14px;width:118px;height:118px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(255,255,255,.6);padding:10px;line-height:1.6;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- shortcuts ---------- */
.brief-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.brief-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:transform .26s ease,box-shadow .26s ease;
}
.brief-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.brief-card span{
  display:inline-block;font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--c-accent);margin-bottom:10px;
}
.brief-card h3{margin-bottom:10px;font-size:18px;}
.brief-card p{font-size:14.5px;color:var(--c-body);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec-pad:64px;}
  .nav-search{display:none;}
  .head-grid{grid-template-columns:1fr;gap:36px;}
  .head-visual{order:2;}
  .zig-row{grid-template-columns:1fr;gap:24px;padding:30px 0;}
  .zig-row.reverse .zig-media{order:0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .brief-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  :root{--sec-pad:48px;}
  .container{padding:0 16px;}
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .nav-wrap{height:60px;}
  .site-header.nav-open .main-nav{
    display:flex;position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(8px);
    padding:12px 16px 24px;overflow-y:auto;margin:0;
  }
  .site-header.nav-open .main-nav a{
    height:48px;display:flex;align-items:center;border-radius:12px;font-size:16px;
  }
  .site-header.nav-open .main-nav a.is-active::after{display:none;}
  .site-header.nav-open .main-nav a.is-active{background:var(--c-tint);}
  .anchor-bar{top:60px;}
  .head-badge{right:8px;bottom:-14px;padding:10px 16px;}
  .head-badge b{font-size:24px;}
  .stat-grid{grid-template-columns:1fr;}
  .brief-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .head-actions{flex-direction:column;align-items:stretch;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a p{padding:0 18px 18px;}
  .zig-body h3{font-size:18px;}
  .logo{font-size:15px;}
}

/* roulang page: article */
:root{
  --c-deep:#08372A;--c-primary:#0E7A57;--c-bright:#17C08D;--c-accent:#FF7A2F;
  --c-ink:#0B1F1A;--c-body:#40534C;--c-mute:#7C8B84;
  --c-bg:#F4F8F5;--c-card:#FFFFFF;--c-line:#E2EBE6;--c-tint:#E8F6F0;
  --grad:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --r-lg:24px;--r-md:18px;--r-sm:12px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(11,31,26,.06);
  --sh-2:0 16px 40px rgba(11,31,26,.12);
  --sh-3:0 32px 80px rgba(8,55,42,.28);
  --mono:Bahnschrift,"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.9;color:var(--c-body);background:var(--c-bg);}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;font-weight:600;font-size:15.5px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(14,122,87,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,122,87,.32);}
.btn-primary:active{transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,47,.28);}
.btn-accent:hover{background:#ff8d4c;color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,122,47,.34);}
.btn-accent:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.72);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-block{width:100%;}
.btn[disabled]{background:#dfe7e3;color:#93a39c;box-shadow:none;cursor:not-allowed;pointer-events:none;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--c-ink);white-space:nowrap;letter-spacing:0;}
.logo-mark{width:26px;height:26px;flex:none;}
.lg-a{color:var(--c-primary);}
.lg-b{color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{position:relative;font-size:16px;color:var(--c-body);padding:6px 0;}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav a.is-active::after{content:"";position:absolute;left:50%;bottom:-3px;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:var(--c-accent);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;color:var(--c-mute);transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--c-bright);box-shadow:0 0 0 4px rgba(23,192,141,.14);}
.nav-search input{border:0;outline:0;width:148px;background:transparent;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-mute);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;align-items:center;justify-content:center;}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-mute);}
.crumb-inner a{color:var(--c-mute);}
.crumb-inner a:hover{color:var(--c-primary);}
.crumb-inner .sep{color:#c3d2cb;}
.crumb-inner .current{color:var(--c-ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{margin-top:18px;padding:48px 0 44px;background:linear-gradient(180deg,#E8F6F0 0%,#F4F8F5 100%);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.article-head h1{margin:16px 0 18px;font-size:clamp(26px,3.6vw,42px);line-height:1.22;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--c-mute);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#c3d2cb;flex:none;}
.article-meta strong{color:var(--c-ink);font-weight:600;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);background:var(--c-tint);color:var(--c-primary);font-size:13.5px;font-weight:600;line-height:1.6;}
.chip-accent{background:rgba(255,122,47,.12);color:#d9601c;}

/* ---------- 主体两栏 ---------- */
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;padding-top:48px;padding-bottom:64px;align-items:start;}
.entry{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:40px;}
.entry-lead{margin:0 0 26px;padding:0 0 24px;border-bottom:1px dashed var(--c-line);font-size:16.5px;color:var(--c-mute);}

/* ---------- 正文排版 ---------- */
.entry-content{font-size:17px;line-height:1.95;color:var(--c-body);word-wrap:break-word;overflow-wrap:break-word;}
.entry-content>*+*{margin-top:1.2em;}
.entry-content p{margin:0;}
.entry-content h2{position:relative;margin-top:40px;padding-left:16px;font-size:clamp(20px,2.4vw,26px);line-height:1.4;scroll-margin-top:100px;}
.entry-content h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:1em;border-radius:2px;background:var(--c-primary);}
.entry-content h3{margin-top:30px;font-size:19px;line-height:1.5;color:var(--c-ink);}
.entry-content h4{margin-top:24px;font-size:17px;color:var(--c-ink);}
.entry-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.entry-content a:hover{color:var(--c-accent);}
.entry-content strong{color:var(--c-ink);}
.entry-content ul>li{position:relative;padding-left:22px;}
.entry-content ul>li+li{margin-top:.5em;}
.entry-content ul>li::before{content:"";position:absolute;left:2px;top:.82em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);}
.entry-content ol{counter-reset:entry-ol;}
.entry-content ol>li{counter-increment:entry-ol;position:relative;padding-left:30px;}
.entry-content ol>li+li{margin-top:.5em;}
.entry-content ol>li::before{content:counter(entry-ol);position:absolute;left:0;top:.42em;width:20px;height:20px;border-radius:6px;background:var(--c-tint);color:var(--c-primary);font-size:13px;font-weight:700;line-height:20px;text-align:center;font-family:var(--mono);}
.entry-content blockquote{margin:24px 0;padding:18px 22px;background:var(--c-tint);border-left:4px solid var(--c-primary);border-radius:0 14px 14px 0;color:var(--c-ink);font-size:16px;}
.entry-content blockquote p{margin:0;}
.entry-content img{margin:24px auto;max-width:100%;height:auto;border-radius:18px;}
.entry-content figure{margin:24px 0;}
.entry-content figcaption{margin-top:10px;font-size:13px;color:var(--c-mute);text-align:center;}
.entry-content table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;border:1px solid var(--c-line);border-radius:12px;font-size:15px;}
.entry-content th,.entry-content td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;white-space:nowrap;}
.entry-content th{background:var(--c-tint);color:var(--c-ink);font-weight:600;}
.entry-content hr{border:0;border-top:1px dashed var(--c-line);margin:32px 0;}
.entry-content code{padding:2px 6px;border-radius:6px;background:var(--c-tint);color:var(--c-primary);font-family:var(--mono);font-size:14.5px;}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:56px 24px;background:var(--c-card);border:1px dashed #cfe6dc;border-radius:var(--r-lg);}
.empty-state .empty-mark{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--c-tint);display:flex;align-items:center;justify-content:center;color:var(--c-primary);}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{margin:0 auto 22px;max-width:480px;color:var(--c-mute);}
.empty-state .btn-group{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px;}
.side-title{position:relative;font-size:16px;margin-bottom:14px;padding-left:12px;}
.side-title::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;background:var(--c-primary);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{display:block;padding:8px 12px;border-radius:10px;border-left:3px solid transparent;font-size:14.5px;color:var(--c-body);line-height:1.6;}
.toc-list a:hover{background:var(--c-tint);color:var(--c-primary);border-left-color:var(--c-accent);}
.mini-post{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line);}
.mini-post:first-of-type{padding-top:0;}
.mini-post:last-child{border-bottom:0;padding-bottom:0;}
.mini-post img{width:78px;height:62px;border-radius:12px;object-fit:cover;flex:none;}
.mini-post h3{font-size:15px;line-height:1.5;}
.mini-post h3 a{color:var(--c-ink);}
.mini-post h3 a:hover{color:var(--c-primary);}
.mini-post p{margin:4px 0 0;font-size:13px;color:var(--c-mute);}
.cta-card{background:linear-gradient(160deg,#08372A 0%,#0E7A57 100%);border-color:transparent;color:rgba(255,255,255,.86);}
.cta-card .side-title{color:#fff;}
.cta-card .side-title::before{background:var(--c-accent);}
.cta-card p{margin:0 0 18px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.8);}

/* ---------- 前后篇与返回 ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px;}
.post-nav-card{display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe6dc;}
.post-nav-card .label{display:block;margin-bottom:8px;font-size:13px;color:var(--c-mute);}
.post-nav-card strong{display:block;font-size:16px;line-height:1.6;color:var(--c-ink);}
.post-nav-card:hover strong{color:var(--c-primary);}
.back-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--c-mute);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-tint);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px;}
.post-body h3{font-size:18px;line-height:1.5;}
.post-body h3 a{color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3 a{color:var(--c-primary);}
.post-body p{margin:0;font-size:14.5px;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--c-mute);}
.post-meta .post-link{color:var(--c-primary);font-weight:600;}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad);padding:64px 0;scroll-margin-top:96px;}
.cta-band::after{content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;border-radius:50%;border:44px solid rgba(255,255,255,.06);}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-inner p{margin:10px 0 0;max-width:620px;font-size:15.5px;color:rgba(255,255,255,.82);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-deep);color:rgba(255,255,255,.72);font-size:14.5px;padding:56px 0 24px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:18px;font-weight:700;color:#fff;}
.footer-brand .lg-a{color:var(--c-bright);}
.footer-brand p{margin:0;font-size:14px;line-height:1.85;}
.footer-col h3{margin-bottom:16px;font-size:16px;font-weight:600;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{margin:0 0 10px;}
.qr-box{display:inline-flex;align-items:center;justify-content:center;width:120px;height:120px;margin-top:6px;padding:10px;border:1px dashed rgba(255,255,255,.3);border-radius:16px;font-size:13px;color:rgba(255,255,255,.6);text-align:center;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:20px;font-size:13.5px;color:rgba(255,255,255,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search{display:none;}
  .main-nav{gap:20px;}
  .layout-grid{grid-template-columns:1fr;gap:32px;padding-top:36px;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:920px){
  .nav-wrap{height:60px;gap:14px;}
  .nav-toggle{display:flex;}
  .main-nav{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:70;display:none;flex-direction:column;align-items:stretch;gap:0;margin-left:0;padding:12px 20px 32px;background:rgba(255,255,255,.98);backdrop-filter:blur(8px);overflow-y:auto;}
  body.nav-open .main-nav{display:flex;}
  .main-nav a{display:flex;align-items:center;height:52px;border-bottom:1px solid var(--c-line);font-size:16px;}
  .main-nav a.is-active::after{display:none;}
  .main-nav a.is-active{font-weight:700;}
  .nav-right .btn{min-height:42px;padding:0 18px;font-size:14.5px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .entry{padding:24px 20px;border-radius:var(--r-md);}
  .entry-content{font-size:16px;line-height:1.9;}
  .article-head{padding:32px 0 30px;}
  .section{padding:48px 0;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .crumb-inner .current{max-width:220px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .logo{font-size:17px;}
  .logo-mark{width:22px;height:22px;}
  .nav-right .btn{padding:0 14px;font-size:14px;}
  .article-head h1{font-size:24px;}
  .post-body{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --c-deep:#08372A;
  --c-primary:#0E7A57;
  --c-bright:#17C08D;
  --c-accent:#FF7A2F;
  --c-ink:#0B1F1A;
  --c-body:#40534C;
  --c-mute:#7C8B84;
  --c-bg:#F4F8F5;
  --c-card:#FFFFFF;
  --c-line:#E2EBE6;
  --c-tint:#E8F6F0;
  --grad:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(11,31,26,.06);
  --sh-2:0 16px 40px rgba(11,31,26,.12);
  --sh-3:0 32px 80px rgba(8,55,42,.28);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:Bahnschrift,"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-text-size-adjust:100%;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:700;color:var(--c-ink);letter-spacing:0;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--c-ink);}
h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-ink);}
p{font-size:16px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-accent:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,122,47,.34);}
.btn-accent:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7);}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-outline{background:var(--c-card);color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.2px;flex-shrink:0;}
.logo-mark{width:26px;height:26px;flex-shrink:0;}
.logo .lg-a{color:var(--c-primary);}
.logo .lg-b{color:var(--c-ink);}
.logo:hover .lg-a{color:var(--c-accent);}

.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px;}
.main-nav a{
  position:relative;color:var(--c-body);font-size:15px;font-weight:500;
  padding:6px 2px;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;
  background:var(--c-accent);border-radius:2px;transform:translateX(-50%);
  transition:width .22s ease;
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{width:100%;}
.main-nav a.is-active{color:var(--c-primary);font-weight:700;}
.main-nav a.is-active::after{width:100%;}

.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-mute);
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--c-bright);background:#fff;}
.nav-search input{
  border:0;background:transparent;outline:none;width:150px;font-size:14px;color:var(--c-ink);
}
.nav-search input::placeholder{color:var(--c-mute);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .22s ease,opacity .2s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;}
.nav-toggle span::after{content:"";top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateX(-50%) translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateX(-50%) translateY(-6px) rotate(-45deg);}

/* ============ 页头区 ============ */
.page-head{
  position:relative;overflow:hidden;
  background:
    linear-gradient(120deg,rgba(8,55,42,.94) 0%,rgba(14,122,87,.92) 55%,rgba(23,192,141,.88) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
  padding:72px 0 84px;
}
.page-head::after{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 0 0 60px rgba(255,255,255,.04);
  pointer-events:none;
}
.page-head .head-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.crumb{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;}
.crumb span{margin:0 8px;opacity:.6;}
.page-head h1{color:#fff;max-width:16em;}
.page-head .lede{margin-top:18px;font-size:17px;color:rgba(255,255,255,.9);max-width:34em;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.tag .dot{width:6px;height:6px;border-radius:50%;background:var(--c-bright);}
.head-media{position:relative;}
.head-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:4px solid rgba(255,255,255,.92);box-shadow:var(--sh-3);
}
.float-badge{
  position:absolute;right:-10px;bottom:-18px;
  background:#fff;border:1px solid var(--c-bright);border-radius:var(--r-md);
  padding:16px 22px;box-shadow:var(--sh-2);text-align:center;
}
.float-badge strong{
  display:block;font-family:var(--mono);font-size:32px;font-weight:700;color:var(--c-primary);letter-spacing:.5px;line-height:1.1;
}
.float-badge span{font-size:13px;color:var(--c-mute);}

/* ============ 锚点 chip ============ */
.chip-bar{
  background:#fff;border-bottom:1px solid var(--c-line);
  position:sticky;top:72px;z-index:40;
}
.chip-scroll{display:flex;gap:12px;overflow-x:auto;padding:16px 24px;max-width:1200px;margin:0 auto;scrollbar-width:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:40px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:500;
  background:#fff;border:1px solid var(--c-line);color:var(--c-body);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-tint);}
.chip.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.chip.is-active:hover{color:#fff;background:var(--c-accent);}

/* ============ 板块 ============ */
section{padding:80px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--c-primary);background:var(--c-tint);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head p{margin-top:14px;color:var(--c-body);}
.alt-bg{background:#fff;}

/* ============ 对照表 ============ */
.table-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:760px;}
thead th{
  background:var(--c-tint);color:var(--c-primary);font-weight:600;font-size:15px;
  text-align:left;padding:18px 22px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
tbody td{
  padding:18px 22px;font-size:15px;color:var(--c-body);
  border-bottom:1px solid var(--c-line);vertical-align:top;
}
tbody tr{transition:background-color .18s ease;}
tbody tr:hover{background:#F7FBF9;}
tbody tr:last-child td{border-bottom:0;}
tbody td strong{color:var(--c-ink);font-weight:600;}
.cell-chip{
  display:inline-block;padding:3px 12px;border-radius:999px;font-size:13px;
  background:var(--c-tint);color:var(--c-primary);font-weight:500;white-space:nowrap;
}
.table-note{padding:16px 22px;font-size:13px;color:var(--c-mute);background:#FBFDFC;border-top:1px solid var(--c-line);}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px;
}
.stat{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat b{display:block;font-family:var(--mono);font-size:34px;font-weight:700;color:var(--c-bright);letter-spacing:.5px;line-height:1.1;}
.stat small{display:block;margin-top:8px;font-size:13px;color:var(--c-mute);}

/* ============ 图文要点 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:16px 18px;font-size:15px;box-shadow:var(--sh-1);
}
.check-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--c-accent);
}
.check-list li b{color:var(--c-ink);font-weight:600;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform .25s ease;
}
.faq-item.is-open{background:var(--c-tint);border-color:#CFE8DD;box-shadow:var(--sh-1);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;position:relative;transition:transform .25s ease,border-color .25s ease,background-color .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:background-color .25s ease;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--c-accent);background:#fff;}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--c-accent);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--c-body);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad);color:#fff;border-radius:var(--r-lg);
  padding:56px 48px;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);box-shadow:0 0 0 48px rgba(255,255,255,.05);
}
.cta-band h2{color:#fff;max-width:24em;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.9);max-width:36em;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);color:rgba(255,255,255,.72);position:relative;margin-top:80px;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);}
.site-footer .container{padding-top:64px;padding-bottom:32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .f-logo{
  display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;
}
.footer-brand .f-logo .lg-a{color:var(--c-bright);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:30em;}
.footer-col h3{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72);}
.qr-box{
  margin-top:16px;width:120px;height:120px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;
  font-size:12px;text-align:center;color:rgba(255,255,255,.6);padding:10px;line-height:1.6;
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-search{display:none;}
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  body.nav-open .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;left:0;right:0;top:72px;bottom:0;
    background:rgba(255,255,255,.98);padding:16px 24px 90px;
    overflow-y:auto;z-index:55;
  }
  body.nav-open .main-nav a{
    height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--c-line);
  }
  body.nav-open .main-nav a::after{display:none;}
  .page-head .head-grid{grid-template-columns:1fr;gap:36px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .page-head{padding:48px 0 64px;}
  .chip-bar{top:60px;}
  .chip-scroll{padding:14px 16px;gap:10px;}
  .nav-wrap{height:60px;gap:12px;}
  body.nav-open .main-nav{top:60px;}
  .logo{font-size:16px;}
  .nav-right{gap:10px;}
  .nav-right > .btn-accent{padding:0 16px;font-size:14px;min-height:44px;}
  .float-badge{right:8px;bottom:-14px;padding:12px 16px;}
  .float-badge strong{font-size:26px;}
  section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  h1{font-size:28px;}
  .table-wrap{border-radius:var(--r-lg);}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-deep:#08372A;
  --c-primary:#0E7A57;
  --c-bright:#17C08D;
  --c-accent:#FF7A2F;
  --c-ink:#0B1F1A;
  --c-body:#40534C;
  --c-mute:#7C8B84;
  --c-bg:#F4F8F5;
  --c-card:#FFFFFF;
  --c-line:#E2EBE6;
  --c-tint:#E8F6F0;
  --grad-brand:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(11,31,26,.06);
  --sh-2:0 16px 40px rgba(11,31,26,.12);
  --sh-3:0 32px 80px rgba(8,55,42,.28);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Bahnschrift,"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,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:16px;
  line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:0;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:700;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(14,122,87,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.3);}
.btn-accent:hover{background:#ff8c4b;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.65);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px);}
.btn-lg{min-height:54px;padding:0 34px;font-size:16px;}
.btn[disabled],.btn.is-disabled{background:#D6DEDA;color:#8B978F;box-shadow:none;pointer-events:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-ink);flex:0 0 auto;}
.logo:hover{color:var(--c-ink);}
.logo-mark{width:28px;height:28px;flex:0 0 auto;}
.logo .lg-a{color:var(--c-primary);}
.logo .lg-b{color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.main-nav > a{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 13px;border-radius:var(--r-sm);
  font-size:15.5px;color:var(--c-body);font-weight:500;
}
.main-nav > a:hover{color:var(--c-primary);background:var(--c-tint);}
.main-nav > a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav > a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  border-radius:3px;background:var(--c-accent);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;color:var(--c-mute);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-bright);box-shadow:0 0 0 4px rgba(23,192,141,.14);}
.nav-search input{border:0;outline:0;background:transparent;width:150px;font-size:14.5px;}
.nav-search input::placeholder{color:var(--c-mute);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:20px;height:2px;border-radius:2px;background:var(--c-ink);
  transform:translateX(-50%);transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";left:0;transform:none;top:-7px;}
.nav-toggle span::after{content:"";left:0;transform:none;top:7px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:rotate(45deg);top:0;}
.nav-toggle.is-open span::after{transform:rotate(-45deg);top:0;}
.nav-extra{display:none;}

/* ---------- 内页头区 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#E8F6F0 0%,#F4F8F5 100%);
  padding:56px 0 64px;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(14,122,87,.12);box-shadow:0 0 0 60px rgba(14,122,87,.05),0 0 0 130px rgba(23,192,141,.04);
  pointer-events:none;
}
.page-hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--c-mute);margin-bottom:18px;}
.breadcrumb a{color:var(--c-mute);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:var(--c-body);}
.page-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--r-pill);background:#fff;border:1px solid rgba(23,192,141,.5);
  color:var(--c-primary);font-size:13.5px;font-weight:600;
}
.page-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.page-lead{font-size:16.5px;color:var(--c-body);max-width:640px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.hero-meta span{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-body);font-size:13.5px;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-lg);border:4px solid #fff;box-shadow:var(--sh-2);
  aspect-ratio:16/10;object-fit:cover;background:var(--c-tint);
}
.hero-badge{
  position:absolute;right:-10px;bottom:-18px;background:#fff;border:1px solid rgba(23,192,141,.55);
  border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh-2);text-align:center;min-width:140px;
}
.hero-badge b{display:block;font-family:var(--font-num);font-size:34px;line-height:1;color:var(--c-primary);letter-spacing:.5px;}
.hero-badge small{display:block;margin-top:6px;font-size:13px;color:var(--c-mute);line-height:1.5;}

/* ---------- 锚点条 ---------- */
.anchor-bar{position:sticky;top:72px;z-index:40;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 24px;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-body);font-size:14px;white-space:nowrap;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;font-weight:600;}

/* ---------- 区块通用 ---------- */
.section{padding:80px 0;}
.section-tint{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--c-primary);
  letter-spacing:.6px;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent);}
.section-head p{margin-top:14px;color:var(--c-body);}

/* ---------- 要点小卡 ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mini-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,192,141,.5);}
.mini-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-tint);color:var(--c-primary);font-family:var(--font-num);font-size:18px;font-weight:700;
  margin-bottom:16px;transition:background .25s ease,color .25s ease;
}
.mini-card:hover .mini-icon{background:var(--c-accent);color:#fff;}
.mini-card h3{margin-bottom:10px;font-size:18px;}
.mini-card p{font-size:15px;color:var(--c-body);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin:0;padding:0;}
.timeline::before{
  content:"";position:absolute;left:31px;top:18px;bottom:18px;
  border-left:2px dashed rgba(14,122,87,.38);
}
.tl-item{position:relative;padding:0 0 24px 88px;}
.tl-node{
  position:absolute;left:0;top:0;z-index:2;
  width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--c-accent);
  color:var(--c-accent);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:21px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 20px rgba(255,122,47,.18);
}
.tl-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 28px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,192,141,.5);}
.tl-card h3{margin-bottom:10px;}
.tl-card > p{font-size:15.5px;color:var(--c-body);}
.tl-list{margin-top:14px;display:grid;gap:8px;}
.tl-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--c-body);line-height:1.8;}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);
}
.tl-note{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:8px 14px;border-radius:var(--r-pill);
  background:var(--c-tint);color:var(--c-primary);font-size:13.5px;font-weight:600;
}
.tl-cta{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 数据带 ---------- */
.stats-band{
  position:relative;background:var(--c-deep);color:#fff;padding:80px 0;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad-brand);
}
.stats-band::after{
  content:"";position:absolute;right:-120px;bottom:-180px;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(23,192,141,.16);box-shadow:0 0 0 70px rgba(23,192,141,.06);pointer-events:none;
}
.stats-band h2{color:#fff;}
.stats-band .section-head p{color:rgba(255,255,255,.76);}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(23,192,141,.32);border-radius:var(--r-md);
  padding:26px 24px;
}
.stat b{display:block;font-family:var(--font-num);font-size:38px;line-height:1;color:#fff;letter-spacing:.5px;}
.stat b i{font-style:normal;font-size:16px;color:var(--c-bright);margin-left:4px;}
.stat small{display:block;margin-top:10px;font-size:13.5px;color:var(--c-bright);font-weight:600;}
.stat p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.check-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-card img{
  width:104px;height:104px;flex:0 0 auto;border-radius:var(--r-sm);object-fit:cover;background:var(--c-tint);
}
.check-body h3{font-size:17.5px;margin-bottom:8px;}
.check-body p{font-size:14.5px;color:var(--c-body);}

/* ---------- 风险提示列表 ---------- */
.risk-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start;
}
.risk-panel h2{margin-bottom:14px;}
.risk-list{display:grid;gap:14px;}
.risk-list li{
  display:flex;gap:14px;padding:16px 18px;border-radius:var(--r-md);background:var(--c-bg);
  border-left:3px solid var(--c-accent);font-size:15px;color:var(--c-body);
}
.risk-list li strong{color:var(--c-ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{background:var(--c-tint);border-color:rgba(23,192,141,.5);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-q .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  display:flex;align-items:center;justify-content:center;transition:transform .3s ease,border-color .3s ease,color .3s ease;
  color:var(--c-mute);font-size:12px;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);border-color:var(--c-accent);color:var(--c-accent);}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--c-body);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;padding:72px 0;
  background:var(--grad-brand);
}
.cta-band::after{
  content:"";position:absolute;left:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);box-shadow:0 0 0 60px rgba(255,255,255,.06);pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.82);max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14.5px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.f-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.f-logo .lg-a{color:var(--c-bright);}
.footer-brand p{color:rgba(255,255,255,.7);line-height:1.85;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{margin-bottom:8px;color:rgba(255,255,255,.72);}
.qr-box{
  margin-top:14px;width:132px;height:96px;border-radius:var(--r-sm);border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.6);text-align:center;padding:0 10px;
}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff;}
  .nav-search{display:none;}
  .nav-right .btn{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .main-nav{
    position:fixed;left:0;right:0;top:61px;bottom:0;z-index:55;
    display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:12px 16px 32px;
    background:rgba(255,255,255,.98);backdrop-filter:blur(8px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .main-nav > a{height:48px;padding:0 6px;font-size:16px;border-bottom:1px solid var(--c-line);border-radius:0;}
  .main-nav > a.is-active::after{left:0;right:auto;width:22px;bottom:14px;}
  .nav-extra{display:block;margin-top:20px;}
  .nav-extra .nav-search{display:flex;width:100%;}
  .nav-extra .nav-search input{width:100%;}
  .nav-extra .btn{width:100%;margin-top:14px;}
  .nav-wrap{height:60px;}
  .page-hero-grid{grid-template-columns:1fr;gap:34px;}
  .page-hero{padding:44px 0 52px;}
  .anchor-bar{top:60px;}
  .section{padding:64px 0;}
  .stats-band,.cta-band{padding:64px 0;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .risk-panel{grid-template-columns:1fr;gap:24px;}
}
@media (min-width:1024px){
  .timeline::before{left:50%;top:24px;bottom:24px;}
  .tl-item{width:calc(50% - 60px);padding:0 0 36px 0;}
  .tl-item:nth-child(odd){margin-right:auto;}
  .tl-item:nth-child(even){margin-left:auto;}
  .tl-item:nth-child(odd) .tl-node{left:auto;right:-92px;}
  .tl-item:nth-child(even) .tl-node{left:-92px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .anchor-inner{padding:12px 16px;}
  .page-hero{padding:34px 0 42px;}
  .page-lead{font-size:15.5px;}
  .hero-badge{right:8px;bottom:-14px;padding:12px 16px;min-width:120px;}
  .hero-badge b{font-size:26px;}
  .section{padding:48px 0;}
  .stats-band,.cta-band{padding:48px 0;}
  .mini-grid,.stats-grid,.check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .tl-item{padding:0 0 20px 76px;}
  .tl-node{width:54px;height:54px;font-size:18px;}
  .timeline::before{left:26px;}
  .tl-card{padding:22px 20px;}
  .check-card{flex-direction:column;}
  .check-card img{width:100%;height:150px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:400px){
  .logo{font-size:15px;gap:7px;}
  .logo-mark{width:24px;height:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --c-deep:#08372A;
  --c-primary:#0E7A57;
  --c-bright:#17C08D;
  --c-accent:#FF7A2F;
  --c-ink:#0B1F1A;
  --c-body:#40534C;
  --c-mute:#7C8B84;
  --c-bg:#F4F8F5;
  --c-card:#FFFFFF;
  --c-line:#E2EBE6;
  --c-tint:#E8F6F0;
  --grad-brand:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(11,31,26,.06);
  --sh-2:0 16px 40px rgba(11,31,26,.12);
  --sh-3:0 32px 80px rgba(8,55,42,.28);
  --sec-pad:80px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Bahnschrift,"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:0;color:var(--c-ink);white-space:nowrap;}
.logo-mark{width:28px;height:28px;flex:0 0 auto;}
.lg-a{color:var(--c-primary);}
.lg-b{color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:999px;font-size:16px;color:var(--c-body);
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-tint);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--c-accent);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:#fff;color:var(--c-mute);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{border-color:var(--c-bright);box-shadow:0 0 0 4px rgba(23,192,141,.14);}
.nav-search input{border:0;outline:0;background:transparent;width:150px;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-mute);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,47,.34);}
.btn-accent:active{transform:translateY(0);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn-line{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-line:hover{background:var(--c-tint);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-ink);content:"";
  transition:transform .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateX(-50%) rotate(45deg);top:0;}
.nav-toggle.is-open span::after{transform:translateX(-50%) rotate(-45deg);top:0;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EDF8F2 0%,#F4F8F5 100%);
  border-bottom:1px solid var(--c-line);
}
.page-head::after{
  content:"";position:absolute;right:-120px;top:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,192,141,.14) 0%,rgba(23,192,141,0) 68%);
  pointer-events:none;
}
.page-head-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);
  gap:48px;align-items:center;padding:64px 0 56px;
}
.crumb{font-size:13px;color:var(--c-mute);margin-bottom:16px;}
.crumb a:hover{color:var(--c-primary);}
.crumb span{margin:0 6px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--c-tint);color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;color:var(--c-ink);
  margin:18px 0 16px;
}
.page-head .lead{font-size:16px;line-height:1.9;color:var(--c-body);max-width:640px;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.head-tags li{
  font-size:13px;color:var(--c-body);background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:6px 14px;
}
.head-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:4px solid #fff;box-shadow:var(--sh-2);
}
.head-figure img{width:100%;height:280px;object-fit:cover;}
.head-badge{
  position:absolute;right:18px;bottom:18px;background:#fff;border:2px solid var(--c-bright);
  border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-1);text-align:left;
}
.head-badge strong{display:block;font-family:var(--font-num);font-size:28px;line-height:1.1;color:var(--c-primary);letter-spacing:.5px;}
.head-badge span{font-size:12px;color:var(--c-mute);}

/* ---------- Anchor chips ---------- */
.anchor-bar{
  background:#fff;border-bottom:1px solid var(--c-line);
  position:sticky;top:72px;z-index:50;
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:14px;color:var(--c-body);
}
.anchor-scroll a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-tint);}
.anchor-scroll a.is-current{background:var(--c-accent);border-color:var(--c-accent);color:#fff;font-weight:600;}

/* ---------- Layout ---------- */
.section{padding:var(--sec-pad) 0;}
.read-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}

.prose{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:44px;box-shadow:var(--sh-1);}
.prose h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;color:var(--c-ink);
  padding-left:16px;margin:48px 0 18px;scroll-margin-top:140px;
}
.prose h2:first-of-type{margin-top:0;}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--c-primary);
}
.prose h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:28px 0 10px;}
.prose p{margin:0 0 1.2em;font-size:17px;line-height:1.95;color:var(--c-body);}
.prose strong{color:var(--c-ink);}
.prose ul.dot-list{margin:0 0 1.4em;display:grid;gap:12px;}
.prose ul.dot-list li{
  position:relative;padding-left:26px;font-size:16px;line-height:1.9;color:var(--c-body);
}
.prose ul.dot-list li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;border-radius:3px;
  background:var(--c-accent);
}
.prose ol.num-list{margin:0 0 1.4em;display:grid;gap:14px;counter-reset:step;}
.prose ol.num-list li{
  position:relative;padding-left:44px;font-size:16px;line-height:1.9;color:var(--c-body);
  counter-increment:step;
}
.prose ol.num-list li::before{
  content:counter(step);
  position:absolute;left:0;top:2px;width:28px;height:28px;border-radius:50%;
  background:var(--c-tint);color:var(--c-primary);
  font-family:var(--font-num);font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.callout{
  background:var(--c-tint);border-left:4px solid var(--c-primary);border-radius:var(--r-sm);
  padding:18px 22px;margin:0 0 1.6em;font-size:16px;line-height:1.9;color:var(--c-body);
}
.callout strong{color:var(--c-primary);}
.inline-figure{margin:0 0 1.8em;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);}
.inline-figure img{width:100%;height:300px;object-fit:cover;}
.inline-figure figcaption{font-size:13px;color:var(--c-mute);text-align:center;padding:10px 12px;background:#fff;}

.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0 0 1.8em;}
.check-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-bright);}
.check-card h3{margin:0 0 6px;font-size:17px;}
.check-card p{margin:0;font-size:15px;line-height:1.85;color:var(--c-body);}

/* ---------- Sidebar ---------- */
.side{position:sticky;top:150px;display:grid;gap:20px;}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;font-weight:700;color:var(--c-ink);margin:0 0 14px;letter-spacing:.2px;}
.toc-list{display:grid;gap:4px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--c-body);
  border-left:3px solid transparent;
}
.toc-list a:hover{background:var(--c-tint);color:var(--c-primary);}
.toc-list a.is-active{border-left-color:var(--c-accent);background:var(--c-tint);color:var(--c-primary);font-weight:600;}
.side-cta{background:var(--grad-brand);border:0;color:#fff;border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-2);}
.side-cta h3{color:#fff;}
.side-cta p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.86);margin:0 0 18px;}
.side-cta .btn{width:100%;}
.side-meta{display:grid;gap:12px;}
.side-meta div{display:flex;justify-content:space-between;font-size:14px;color:var(--c-body);border-bottom:1px dashed var(--c-line);padding-bottom:10px;}
.side-meta div:last-child{border-bottom:0;padding-bottom:0;}
.side-meta b{color:var(--c-primary);font-family:var(--font-num);font-weight:700;}

/* ---------- News cards ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-title{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;color:var(--c-ink);}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-mute);max-width:640px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card:hover h3{color:var(--c-primary);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-tint);}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--c-ink);transition:color .22s ease;}
.card-body p{font-size:15px;line-height:1.85;color:var(--c-body);}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-mute);}
.card-foot .arrow{color:var(--c-primary);font-weight:600;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-200px;transform:translateX(-50%);
  width:760px;height:760px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 80px rgba(255,255,255,.03);
}
.cta-inner{position:relative;z-index:1;padding:64px 0;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
.cta-inner p{margin:14px auto 28px;max-width:680px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.88);}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--c-deep);color:rgba(255,255,255,.72);}
.site-footer::before{content:"";display:block;height:3px;background:linear-gradient(90deg,#08372A,#0E7A57 55%,#17C08D);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;
}
.f-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.f-logo .lg-a{color:var(--c-bright);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{font-size:14px;line-height:1.9;}
.qr-box{
  margin-top:16px;width:132px;height:132px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.34);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.7);text-align:center;padding:12px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 32px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  :root{--sec-pad:64px;}
  .nav-search{display:none;}
  .main-nav{
    position:fixed;inset:72px 0 0 0;background:rgba(255,255,255,.98);
    flex-direction:column;align-items:stretch;gap:0;padding:16px 24px 40px;margin:0;
    display:none;overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{height:48px;border-radius:12px;font-size:16px;}
  .main-nav a.is-active::after{display:none;}
  .nav-toggle{display:block;}
  .page-head-inner{grid-template-columns:1fr;gap:32px;padding:48px 0 44px;}
  .read-layout{grid-template-columns:1fr;gap:32px;}
  .side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .anchor-bar{top:62px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  .container{padding:0 16px;}
  .nav-wrap{height:60px;gap:12px;}
  .logo{font-size:16px;}
  .logo-mark{width:24px;height:24px;}
  .btn-accent{padding:0 16px;font-size:14px;}
  .main-nav{inset:60px 0 0 0;}
  .prose{padding:26px 20px;border-radius:var(--r-md);}
  .prose p{font-size:16px;}
  .check-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .head-figure img{height:200px;}
  .head-badge{padding:10px 14px;}
  .inline-figure img{height:200px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .anchor-scroll{padding:12px 0;}
}
@media (max-width:520px){
  .page-head h1{font-size:26px;}
  .cta-actions .btn{width:100%;}
  .nav-search{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --c-deep:#08372A;
  --c-primary:#0E7A57;
  --c-bright:#17C08D;
  --c-accent:#FF7A2F;
  --c-ink:#0B1F1A;
  --c-body:#40534C;
  --c-mute:#7C8B84;
  --c-bg:#F4F8F5;
  --c-card:#FFFFFF;
  --c-line:#E2EBE6;
  --c-tint:#E8F6F0;
  --grad-brand:linear-gradient(120deg,#08372A 0%,#0E7A57 55%,#17C08D 100%);
  --grad-accent:linear-gradient(120deg,#FF7A2F 0%,#FF9A55 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(11,31,26,.06);
  --sh-2:0 16px 40px rgba(11,31,26,.12);
  --sh-3:0 32px 80px rgba(8,55,42,.28);
  --sp-section:80px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:"Bahnschrift","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-accent);}
img{max-width:100%;display:block;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-bright);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--c-body);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-tint);border:1px solid #CFE9DE;border-radius:999px;
  padding:6px 14px;margin-bottom:16px;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-ink);flex:0 0 auto;}
.logo .lg-a{color:var(--c-primary);}
.logo .lg-b{color:var(--c-ink);}
.logo-mark{width:26px;height:26px;flex:0 0 auto;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 12px;border-radius:999px;
  font-size:15.5px;color:var(--c-body);white-space:nowrap;
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-tint);}
.main-nav a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-tint);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:999px;background:var(--c-accent);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:#F7FAF8;border:1px solid var(--c-line);border-radius:999px;
  color:var(--c-mute);transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-bright);box-shadow:0 0 0 4px rgba(23,192,141,.14);}
.nav-search input{
  border:0;background:transparent;outline:none;width:150px;font-size:14.5px;
}
.nav-search input::placeholder{color:var(--c-mute);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:999px;
  font-size:15.5px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(-1px);}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 8px 22px rgba(255,122,47,.28);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,122,47,.34);filter:brightness(1.06);}
.btn-accent:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn[disabled]{background:#DDE5E1;color:#94A29C;cursor:not-allowed;box-shadow:none;transform:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--c-ink);border-radius:2px;display:block;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EAF6F1 0%,#F4F8F5 100%);
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(14,122,87,.10);box-shadow:0 0 0 60px rgba(14,122,87,.035),0 0 0 140px rgba(14,122,87,.02);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:64px 0 56px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-mute);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-mute);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{opacity:.6;}
.hero-copy h1{margin-bottom:18px;}
.hero-copy h1 .hl{
  background:linear-gradient(180deg,transparent 64%,rgba(255,122,47,.28) 64%);
  padding:0 2px;
}
.hero-lead{font-size:17px;line-height:1.9;color:var(--c-body);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{color:var(--c-primary);border-color:#B9DACD;background:#fff;}
.hero-actions .btn-ghost:hover{background:var(--c-tint);color:var(--c-primary);border-color:var(--c-primary);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;color:var(--c-body);
  background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:7px 14px;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:4px solid #fff;box-shadow:var(--sh-2);
}
.hero-badge{
  position:absolute;right:-8px;bottom:-22px;
  background:#fff;border:1px solid #BFE7D7;border-radius:var(--r-md);
  padding:14px 20px;box-shadow:var(--sh-2);min-width:172px;
}
.hero-badge .num{
  font-family:var(--font-mono);font-size:30px;font-weight:700;color:var(--c-bright);
  line-height:1.1;letter-spacing:.5px;
}
.hero-badge .lab{font-size:13px;color:var(--c-mute);margin-top:4px;}

/* ---------- anchor chips ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.anchor-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  min-height:38px;padding:8px 18px;border-radius:999px;
  font-size:14.5px;color:var(--c-body);background:#fff;border:1px solid var(--c-line);
  white-space:nowrap;cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-tint);}
.chip.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(255,122,47,.24);}

/* ---------- filter row ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:20px 22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);margin-bottom:32px;
}
.filter-row .fl-label{font-size:14px;color:var(--c-mute);margin-right:4px;}
.filter-chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:38px;padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--c-body);background:#F7FAF8;border:1px solid var(--c-line);
  cursor:pointer;transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.filter-chip.is-on{background:var(--c-tint);border-color:#B7E2D2;color:var(--c-primary);font-weight:600;}
.filter-chip .cnt{font-family:var(--font-mono);font-size:12.5px;color:var(--c-mute);}
.filter-chip.is-on .cnt{color:var(--c-primary);}

/* ---------- card grid ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.diag-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 26px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.diag-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE7DC;}
.diag-card .badge-corner{
  position:absolute;top:18px;right:18px;
  font-family:var(--font-mono);font-size:12.5px;font-weight:700;letter-spacing:.5px;
  color:var(--c-primary);background:var(--c-tint);border:1px solid #C4E8D9;
  border-radius:999px;padding:5px 12px;
}
.diag-card .ic{
  width:46px;height:46px;border-radius:14px;
  background:var(--c-tint);display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;transition:background-color .25s ease;
}
.diag-card .ic svg{width:22px;height:22px;stroke:var(--c-primary);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:stroke .25s ease;}
.diag-card:hover .ic{background:#FDEFE5;}
.diag-card:hover .ic svg{stroke:var(--c-accent);}
.diag-card h3{margin-bottom:10px;padding-right:70px;}
.diag-card .desc{font-size:15px;color:var(--c-body);margin-bottom:16px;}
.diag-card ul{margin-bottom:18px;}
.diag-card ul li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--c-body);line-height:1.85;margin-bottom:6px;
}
.diag-card ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--c-accent);opacity:.85;
}
.diag-card .card-foot{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.diag-card .card-foot .lvl{font-size:13px;color:var(--c-mute);}
.diag-card .card-foot a{font-size:14.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.diag-card .card-foot a:hover{color:var(--c-accent);gap:10px;}
.empty-tip{
  display:none;padding:40px 24px;text-align:center;color:var(--c-mute);
  background:#fff;border:1px dashed #C9E3D8;border-radius:var(--r-lg);
}
.empty-tip.is-show{display:block;}

/* ---------- checklist ---------- */
.check-panel{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--sh-1);
}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list .idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:var(--c-tint);color:var(--c-primary);font-family:var(--font-mono);font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.check-list strong{display:block;color:var(--c-ink);font-size:16px;margin-bottom:4px;}
.check-list span{font-size:14.5px;color:var(--c-body);}
.check-panel img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);box-shadow:var(--sh-1);}

/* ---------- data band ---------- */
.data-band{
  position:relative;background:var(--c-deep);color:#fff;overflow:hidden;
}
.data-band::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad-brand);
}
.data-band::after{
  content:"";position:absolute;left:-100px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.07);box-shadow:0 0 0 46px rgba(255,255,255,.025);
}
.data-band h2{color:#fff;}
.data-band .section-head p{color:rgba(255,255,255,.74);}
.data-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.data-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);
  padding:26px 24px;transition:background-color .25s ease,transform .25s ease;
}
.data-item:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);}
.data-item .num{
  font-family:var(--font-mono);font-size:clamp(28px,3.4vw,38px);font-weight:700;
  color:#fff;letter-spacing:.5px;line-height:1.15;
}
.data-item .num em{font-style:normal;color:var(--c-bright);}
.data-item .name{font-size:15px;font-weight:600;color:#fff;margin-top:10px;}
.data-item .note{font-size:13.5px;color:rgba(255,255,255,.68);margin-top:6px;line-height:1.8;}

/* ---------- scenario list ---------- */
.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-item{
  display:flex;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.scene-item .dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:50%;background:var(--c-bright);margin-top:11px;
  box-shadow:0 0 0 6px rgba(23,192,141,.14);
}
.scene-item h3{font-size:17.5px;margin-bottom:8px;}
.scene-item p{font-size:14.5px;}
.scene-item p + p{margin-top:8px;color:var(--c-mute);font-size:13.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:background-color .25s ease,border-color .25s ease;
}
.faq-item.is-open{background:var(--c-tint);border-color:#C6E7DA;position:relative;}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;position:relative;
  transition:transform .25s ease,border-color .25s ease;
}
.faq-q .arrow::before{
  content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;
  border-right:2px solid var(--c-mute);border-bottom:2px solid var(--c-mute);
  transform:translate(-50%,-70%) rotate(45deg);
  transition:border-color .25s ease;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);border-color:var(--c-accent);}
.faq-item.is-open .faq-q .arrow::before{border-color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--c-body);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;
  border-radius:var(--r-lg);padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 0 0 48px rgba(255,255,255,.05);
}
.cta-band h2{color:#fff;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.82);margin-top:12px;font-size:15.5px;max-width:620px;position:relative;z-index:2;}
.cta-band .cta-actions{position:relative;z-index:2;flex:0 0 auto;}

/* ---------- form ---------- */
.form-panel{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--sh-1);
}
.form-side li{
  position:relative;padding-left:20px;font-size:14.5px;margin-bottom:10px;color:var(--c-body);
}
.form-side li::before{
  content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:2px;background:var(--c-bright);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#FBFDFC;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(14,122,87,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#E5533C;box-shadow:0 0 0 4px rgba(229,83,60,.10);}
.field .err{display:none;font-size:13.5px;color:#E5533C;margin-top:6px;}
.field.has-error .err{display:block;}
.privacy{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;font-size:13.5px;color:var(--c-body);}
.privacy input{width:18px;height:18px;margin-top:4px;flex:0 0 auto;accent-color:var(--c-primary);min-height:auto;}
.form-success{
  display:none;align-items:center;gap:14px;padding:18px 20px;border-radius:var(--r-sm);
  background:var(--c-tint);border:1px solid #C6E7DA;margin-bottom:18px;
}
.form-success.is-show{display:flex;}
.form-success .ok{
  width:32px;height:32px;border-radius:50%;background:var(--c-bright);flex:0 0 auto;position:relative;
}
.form-success .ok::before{
  content:"";position:absolute;left:11px;top:9px;width:9px;height:5px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);
}
.form-success span{font-size:14.5px;color:var(--c-primary);font-weight:600;}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--c-deep);color:#fff;margin-top:0;}
.site-footer::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad-brand);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.f-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.f-logo .lg-a{color:var(--c-bright);}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h3{font-size:15.5px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact p{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.qr-box{
  margin-top:16px;width:120px;height:120px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.34);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.6);text-align:center;padding:10px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .nav-search input{width:120px;}
}
@media (max-width:1024px){
  :root{--sp-section:64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:48px 0;}
  .hero-media{max-width:620px;}
  .hero-badge{right:12px;bottom:-18px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-panel{grid-template-columns:1fr;gap:32px;padding:32px;}
  .form-panel{grid-template-columns:1fr;gap:32px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-right .btn-accent{display:none;}
  .site-header.is-open .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:fixed;left:0;right:0;top:60px;bottom:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(10px);
    padding:16px 20px 100px;overflow-y:auto;z-index:70;margin:0;
  }
  .site-header.is-open .main-nav a{
    min-height:48px;padding:12px 16px;border-radius:var(--r-sm);font-size:16px;background:#fff;border:1px solid var(--c-line);
  }
  .site-header.is-open .main-nav a.is-active{background:var(--c-tint);border-color:#C6E7DA;}
  .site-header.is-open .nav-right .btn-accent{
    display:inline-flex;position:fixed;left:20px;right:20px;bottom:24px;z-index:80;width:calc(100% - 40px);
  }
  .nav-wrap{height:60px;gap:12px;}
  .anchor-bar{top:60px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:768px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  h1{font-size:clamp(26px,7vw,34px);}
  h2{font-size:clamp(21px,5.6vw,26px);}
  .card-grid{grid-template-columns:1fr;}
  .scene-list{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .filter-row{padding:16px;}
  .diag-card{padding:24px 20px;}
  .cta-band{padding:34px 22px;border-radius:var(--r-md);}
  .form-panel{padding:24px 20px;}
  .check-panel{padding:24px 20px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .hero-badge{right:8px;bottom:-16px;padding:12px 16px;min-width:150px;}
  .hero-badge .num{font-size:24px;}
  .faq-q{padding:16px 18px;font-size:16px;gap:12px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}