/* roulang page: index */
:root{
  --ink:#0F3D3E;
  --jade:#176B63;
  --orange:#E86A33;
  --orange-dark:#C9551F;
  --lime:#C9F24D;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --text:#14201E;
  --muted:#5E6B68;
  --line:#DDD6C8;
  --footer:#0B2B2A;
  --shadow:0 8px 24px rgba(15,61,62,.08);
  --shadow-lg:0 18px 44px rgba(15,61,62,.16);
  --radius:16px;
  --radius-sm:10px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--jade);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);text-decoration:underline;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.4px;
  background:rgba(23,107,99,.1);color:var(--jade);
}
.eyebrow.on-dark{background:rgba(201,242,77,.14);color:var(--lime);border:1px solid rgba(201,242,77,.32);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(15,61,62,.06);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;}
.logo:hover{color:var(--ink);text-decoration:none;}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(135deg,var(--ink),var(--jade));
  color:var(--lime);display:grid;place-items:center;font-size:16px;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--text);font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(23,107,99,.08);color:var(--jade);text-decoration:none;}
.nav-links a.active{background:rgba(23,107,99,.12);color:var(--jade);font-weight:700;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:42px;width:216px;
  padding:0 15px;border:1px solid var(--line);border-radius:999px;background:var(--bg);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--jade);box-shadow:0 0 0 3px rgba(23,107,99,.12);}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-menu.open{display:block;}
.mobile-menu .m-inner{padding:16px 24px 24px;}
.mobile-menu a{
  display:block;padding:13px 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-menu a:hover{color:var(--jade);text-decoration:none;}
.mobile-menu .m-search{margin-top:16px;display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;border:1px solid var(--line);border-radius:12px;background:var(--bg);}
.mobile-menu .m-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:10px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,51,.32);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(15,61,62,.06);color:var(--ink);transform:translateY(-2px);}
.btn-ghost.on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-text{color:var(--jade);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.btn-text:hover{color:var(--orange);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;isolation:isolate;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;z-index:0;}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(102deg,rgba(11,43,42,.95) 0%,rgba(11,43,42,.84) 44%,rgba(15,61,62,.58) 100%);
}
.hero-inner{position:relative;z-index:2;padding:92px 0 84px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero h1{
  color:#fff;margin-top:20px;
  font-size:clamp(30px,4.1vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.8px;
}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.5vw,21px);color:rgba(255,255,255,.88);font-weight:500;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);}
.hero-points i{color:var(--lime);font-size:12px;}

.entry-card{
  background:rgba(255,255,255,.98);
  border-radius:20px;padding:30px 28px;
  box-shadow:var(--shadow-lg);
  color:var(--text);
}
.entry-card h3{font-size:19px;margin-bottom:6px;}
.entry-card .entry-note{font-size:13px;color:var(--muted);margin-bottom:14px;}
.entry-step{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line);}
.entry-step:last-of-type{border-bottom:0;}
.step-no{
  flex:0 0 30px;width:30px;height:30px;border-radius:9px;
  background:rgba(23,107,99,.12);color:var(--jade);
  display:grid;place-items:center;font-size:14px;font-weight:800;
}
.entry-step h4{font-size:15px;margin-bottom:3px;}
.entry-step p{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 主张条 ---------- */
.claim{background:#F1EADE;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.claim-inner{display:flex;align-items:center;gap:40px;padding:36px 0;}
.claim-inner h2{flex:0 0 auto;max-width:430px;font-size:clamp(19px,2vw,23px);}
.claim-inner p{color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- 故事两栏 ---------- */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.story-media img{width:100%;height:400px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow);}
.story-text h2{font-size:clamp(24px,2.6vw,33px);margin-bottom:20px;}
.story-text p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:18px;}
.story-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink);
}
.badge i{color:var(--jade);font-size:12px;}

/* ---------- 精选卡 ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.feature-main{
  position:relative;border-radius:var(--radius);overflow:hidden;
  min-height:420px;display:flex;align-items:flex-end;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  background:var(--ink);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--jade);}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,43,42,.05) 30%,rgba(11,43,42,.88) 100%);}
.feature-main .fm-body{position:relative;z-index:2;padding:32px;color:#fff;}
.feature-main .fm-body h3{color:#fff;font-size:24px;margin:14px 0 10px;}
.feature-main .fm-body p{color:rgba(255,255,255,.82);font-size:14.5px;line-height:1.75;max-width:520px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.tag-lime{background:var(--lime);color:#0B2B2A;}
.tag-soft{background:rgba(23,107,99,.1);color:var(--jade);}
.tag-orange{background:rgba(232,106,51,.12);color:var(--orange-dark);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{
  display:flex;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--jade);text-decoration:none;}
.mini-card img{flex:0 0 116px;width:116px;height:116px;object-fit:cover;border-radius:12px;}
.mini-card h3{font-size:17px;margin:10px 0 8px;line-height:1.4;}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.mini-card:hover h3{color:var(--jade);}

/* ---------- 内容列表 ---------- */
.post-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  color:inherit;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--jade);text-decoration:none;color:inherit;}
.post-card:hover .post-title{color:var(--jade);}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.post-cat{background:rgba(23,107,99,.1);color:var(--jade);padding:4px 11px;border-radius:999px;font-weight:700;}
.post-title{font-size:18px;font-weight:700;margin:14px 0 10px;line-height:1.45;}
.post-sum{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--orange);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);background:#fff;
  padding:52px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.empty-state i{display:block;font-size:26px;color:var(--jade);margin-bottom:12px;}

/* ---------- 信任背书 ---------- */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:48px;}
.stat-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .25s ease,box-shadow .25s ease;}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--jade);line-height:1.2;}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px;}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{background:var(--bg);border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);}
.quote-card i.q{color:var(--lime);font-size:18px;}
.quote-card p{font-size:14.5px;color:var(--text);line-height:1.85;margin:14px 0 16px;}
.quote-who{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.quote-who span.dot{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:var(--jade);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px 22px 30px;
  font-size:16.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--jade);border-radius:0 3px 3px 0;}
.faq-item summary .ic{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(23,107,99,.1);color:var(--jade);display:grid;place-items:center;font-size:12px;transition:transform .25s ease,background .25s ease;}
.faq-item[open] summary .ic{transform:rotate(45deg);background:var(--orange);color:#fff;}
.faq-item .faq-body{padding:0 26px 24px 30px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--ink) 0%,var(--jade) 100%);color:#fff;border-radius:24px;padding:56px 52px;overflow:hidden;position:relative;}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(201,242,77,.12);}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.cta h2{color:#fff;font-size:clamp(24px,2.7vw,34px);margin-bottom:16px;}
.cta p{color:rgba(255,255,255,.86);font-size:15.5px;line-height:1.85;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-form label{font-size:13.5px;color:rgba(255,255,255,.88);font-weight:600;}
.cta-form input{
  height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.96);padding:0 16px;font-size:15px;color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.3);}
.cta-form .form-hint{font-size:12.5px;color:rgba(255,255,255,.7);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:#E8EFEA;margin-top:88px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:rgba(232,239,234,.72);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(232,239,234,.74);}
.footer-col ul a:hover{color:var(--lime);text-decoration:none;}
.footer-sub p{font-size:13.5px;color:rgba(232,239,234,.72);margin-bottom:14px;line-height:1.8;}
.footer-form{display:flex;gap:10px;}
.footer-form input{flex:1;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14px;outline:none;}
.footer-form input::placeholder{color:rgba(232,239,234,.5);}
.footer-form input:focus{border-color:var(--lime);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(232,239,234,.62);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .hero-inner{padding:68px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .claim-inner{flex-direction:column;align-items:flex-start;gap:12px;}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .story-media img{height:320px;}
  .feature-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta{padding:44px 32px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .nav-inner{height:64px;gap:12px;}
  .logo{font-size:15px;}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:14px;}
  .hero-inner{padding:52px 0 48px;}
  .hero-actions .btn{width:100%;}
  .hero-points{flex-direction:column;gap:8px;}
  .post-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:auto auto;}
  .mini-card{flex-direction:column;align-items:flex-start;}
  .mini-card img{width:100%;height:170px;flex:none;}
  .cta{padding:34px 22px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .faq-item summary{padding:18px 18px 18px 22px;font-size:15.5px;}
  .faq-item .faq-body{padding:0 18px 20px 22px;}
}

/* roulang page: article */
:root{
  --c-primary:#0F3D3E;
  --c-primary-2:#176B63;
  --c-accent:#E86A33;
  --c-lime:#C9F24D;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-ink:#14201E;
  --c-muted:#5E6B68;
  --c-line:#DDD6C8;
  --c-footer:#0B2B2A;
  --c-footer-text:#E8EFEA;
  --shadow-sm:0 2px 8px rgba(15,61,62,.06);
  --shadow:0 8px 24px rgba(15,61,62,.08);
  --shadow-lg:0 16px 40px rgba(15,61,62,.14);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --space:96px;
  --space-md:72px;
  --space-sm:48px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary-2);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-primary);line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.container{
  width:100%;max-width:var(--container);
  margin:0 auto;padding:0 32px;
}
.section{padding:var(--space) 0;}
.section-tight{padding:var(--space-md) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:12px;color:var(--c-muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-primary-2);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(232,106,51,.28);}
.btn-primary:hover{background:#d15a26;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,106,51,.34);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:#E7F1EF;color:var(--c-primary);transform:translateY(-2px);}
.btn-text{background:transparent;color:var(--c-primary-2);padding:0;height:auto;font-weight:700;}
.btn-text:hover{color:var(--c-accent);text-decoration:underline;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(15,61,62,.05);
}
.header-inner{
  display:flex;align-items:center;gap:28px;height:76px;
}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--c-primary);white-space:nowrap;}
.logo:hover{color:var(--c-primary);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-2) 100%);
  color:var(--c-lime);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;flex:none;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;color:var(--c-muted);
}
.nav-links a:hover{color:var(--c-primary);background:#EEF4F2;}
.nav-links a.active{color:var(--c-primary);background:#E7F1EF;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--c-accent);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:999px;background:#FBF9F5;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--c-primary-2);box-shadow:0 0 0 4px rgba(23,107,99,.12);}
.search-box i{color:var(--c-muted);font-size:14px;}
.search-box input{border:0;background:transparent;outline:none;width:150px;font-size:14px;color:var(--c-ink);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-drawer{
  display:none;border-top:1px solid var(--c-line);background:#fff;padding:14px 0 20px;
}
.nav-drawer.open{display:block;}
.nav-drawer a{display:block;padding:12px 4px;font-size:16px;font-weight:600;color:var(--c-primary);border-bottom:1px solid #EEE8DC;}
.nav-drawer .search-box{width:100%;margin-top:14px;}
.nav-drawer .search-box input{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#EFEBE1;border-bottom:1px solid var(--c-line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--c-muted);}
.crumb a{color:var(--c-muted);font-weight:600;}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{color:#B6AE9E;font-size:11px;}
.crumb .current{color:var(--c-primary);font-weight:700;}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:
    linear-gradient(180deg,rgba(15,61,62,.94) 0%,rgba(15,61,62,.86) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;padding:56px 0 64px;
}
.article-hero .tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(201,242,77,.16);color:var(--c-lime);
  border:1px solid rgba(201,242,77,.4);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:18px;
}
.article-hero h1{
  color:#fff;font-size:clamp(28px,4vw,44px);line-height:1.2;font-weight:800;
  max-width:900px;margin-bottom:18px;
}
.article-hero .lead{
  max-width:760px;color:#D6E3E0;font-size:16px;line-height:1.85;margin:0;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:26px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.18);
  font-size:14px;color:#C6D6D3;
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--c-lime);font-size:13px;}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:64px 0 var(--space-md);}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.reader{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:48px 56px;
}
.article-content{max-width:820px;font-size:17px;line-height:1.9;color:#1B2A28;}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;font-size:17px;line-height:1.9;}
.article-content h2{
  font-size:30px;margin:40px 0 16px;padding-left:16px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;
  background:linear-gradient(180deg,var(--c-accent),#F2A16B);
}
.article-content h3{font-size:22px;margin:32px 0 14px;color:var(--c-primary-2);}
.article-content blockquote{
  margin:26px 0;padding:18px 24px;border-left:4px solid var(--c-primary-2);
  background:#F1F7F5;border-radius:0 12px 12px 0;color:#2C3E3B;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:22px;}
.article-content li{margin-bottom:.6em;line-height:1.85;}
.article-content img{border-radius:12px;margin:24px 0;width:100%;height:auto;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13.5px;color:var(--c-muted);text-align:center;margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;}
.article-content th{background:#F1F7F5;color:var(--c-primary);font-weight:700;}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:24px;margin-bottom:22px;
}
.side-card h3{font-size:18px;margin-bottom:16px;}
.side-list li{border-bottom:1px dashed var(--c-line);padding:12px 0;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{display:block;font-size:15px;font-weight:600;color:var(--c-primary);line-height:1.5;}
.side-list a:hover{color:var(--c-accent);}
.side-list small{display:block;margin-top:6px;color:var(--c-muted);font-size:13px;}
.side-note{background:#0F3D3E;border-radius:var(--radius);padding:26px;color:#D8E6E3;}
.side-note h3{color:#fff;font-size:18px;margin-bottom:10px;}
.side-note p{font-size:14.5px;line-height:1.8;color:#B9CFCB;margin-bottom:18px;}
.side-note .btn{width:100%;}

/* ---------- 相关推荐 ---------- */
.related-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:var(--c-primary-2);box-shadow:var(--shadow-lg);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9E4D8;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--c-muted);margin:0;line-height:1.8;}
.card-meta{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:12px;font-size:13px;color:var(--c-muted);}
.card-meta .badge{
  background:#E7F1EF;color:var(--c-primary-2);border-radius:999px;
  padding:4px 12px;font-weight:700;font-size:12.5px;
}
.card-link{position:absolute;inset:0;z-index:2;text-indent:-9999px;}

/* ---------- 返回入口 ---------- */
.back-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:44px;padding:22px 26px;border:1px dashed var(--c-line);
  border-radius:var(--radius);background:#FBF8F2;
}
.back-bar span{font-size:14.5px;color:var(--c-muted);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--c-line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:38px;color:var(--c-primary-2);opacity:.5;}
.empty-state h2{margin:18px 0 10px;font-size:24px;}
.empty-state p{color:var(--c-muted);font-size:15.5px;margin-bottom:22px;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#0F3D3E 0%,#176B63 62%,#1E7A63 100%);
  border-radius:var(--radius-lg);padding:52px 56px;color:#fff;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-band p{color:#C7DCD8;font-size:15.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;font-size:17px;font-weight:700;color:var(--c-primary);
  border-left:3px solid transparent;transition:border-color .2s ease,background-color .2s ease;
}
.faq-q:hover{background:#F6FAF8;border-left-color:var(--c-primary-2);}
.faq-q i{color:var(--c-accent);transition:transform .25s ease;flex:none;}
.faq-item.open .faq-q{border-left-color:var(--c-accent);}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 26px 22px;margin:0;font-size:15.5px;color:var(--c-muted);line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:var(--c-footer-text);padding:72px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo{color:#fff;font-size:17px;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14.5px;color:#A9C1BD;line-height:1.85;max-width:340px;margin:0;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#A9C1BD;font-size:14.5px;}
.footer-col a:hover{color:var(--c-lime);}
.footer-sub p{font-size:14.5px;color:#A9C1BD;margin-bottom:14px;line-height:1.8;}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1;height:44px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:#8FA9A5;}
.footer-form input:focus{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(201,242,77,.16);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8FA9A5;
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .article-grid{grid-template-columns:1fr;gap:36px;}
  .reader{padding:40px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-links,.header-actions .search-box,.header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .search-box input{width:100%;}
}
@media (max-width:768px){
  :root{--space:64px;--space-md:52px;--space-sm:40px;}
  .container{padding:0 20px;}
  .section-head h2{font-size:26px;}
  .article-hero{padding:44px 0 50px;}
  .reader{padding:30px 22px;border-radius:var(--radius);}
  .article-content p{font-size:16.5px;}
  .article-content h2{font-size:24px;}
  .article-content h3{font-size:19px;}
  .related-cards{grid-template-columns:1fr;}
  .cta-band{padding:36px 26px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .back-bar{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .header-inner{height:66px;gap:14px;}
  .logo{font-size:15px;}
  .logo-mark{width:34px;height:34px;font-size:12px;}
  .article-hero h1{font-size:24px;}
  .article-meta{gap:10px 16px;font-size:13px;}
  .reader{padding:24px 18px;}
  .faq-q{padding:18px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink-teal:#0F3D3E;
  --jade:#176B63;
  --orange:#E86A33;
  --orange-dark:#CF5723;
  --lime:#C9F24D;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --text:#14201E;
  --muted:#5E6B68;
  --line:#DDD6C8;
  --footer-bg:#0B2B2A;
  --shadow:0 8px 24px rgba(15,61,62,.08);
  --shadow-hover:0 16px 36px rgba(15,61,62,.16);
  --radius:16px;
  --radius-sm:10px;
  --radius-img:14px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--jade);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--orange);text-decoration:underline;}
h1,h2,h3,h4{color:var(--ink-teal);margin:0;font-weight:700;line-height:1.25;}
h1{font-size:clamp(30px,4vw,52px);font-weight:800;line-height:1.18;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;line-height:1.35;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16.5px;margin:14px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--jade);text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:26px;height:3px;border-radius:2px;background:var(--orange);
}
.lead{font-size:18px;color:var(--muted);max-width:820px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:16px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(232,106,51,.28);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;box-shadow:0 14px 28px rgba(232,106,51,.34);}
.btn-ghost{background:#fff;color:var(--ink-teal);border-color:var(--ink-teal);}
.btn-ghost:hover{background:rgba(15,61,62,.06);color:var(--ink-teal);}
.btn-text{background:transparent;color:var(--jade);padding:0 6px;height:auto;box-shadow:none;}
.btn-text:hover{color:var(--orange);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:8px;}
.btn-block{width:100%;}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:rgba(23,107,99,.1);color:var(--jade);
}
.badge--orange{background:rgba(232,106,51,.12);color:var(--orange-dark);}
.badge--lime{background:rgba(201,242,77,.35);color:#3D5A0B;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(15,61,62,.05);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink-teal);
  letter-spacing:.01em;flex-shrink:0;
}
.logo:hover{text-decoration:none;color:var(--ink-teal);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--ink-teal),var(--jade));
  color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;
}
.logo-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  display:inline-block;
  padding:9px 16px;border-radius:9px;
  font-size:15.5px;font-weight:600;color:var(--text);
  transition:background-color .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(23,107,99,.08);color:var(--jade);text-decoration:none;}
.nav-links a.active{background:rgba(15,61,62,.08);color:var(--ink-teal);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  height:42px;padding:0 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--jade);box-shadow:0 0 0 4px rgba(23,107,99,.12);}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{
  border:0;background:transparent;outline:none;
  width:170px;font-size:14.5px;color:var(--text);
}
.menu-toggle{
  display:none;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  color:var(--ink-teal);font-size:18px;cursor:pointer;
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;padding:18px 0 24px;
}
.mobile-panel.open{display:block;}
.mobile-panel .container{display:flex;flex-direction:column;gap:14px;}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:10px;
  font-weight:600;color:var(--text);background:var(--bg);
}
.mobile-panel a.active{background:rgba(15,61,62,.1);color:var(--ink-teal);}
.mobile-panel a:hover{text-decoration:none;color:var(--jade);}
.mobile-panel .search-box{width:100%;}
.mobile-panel .search-box input{width:100%;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  color:#fff;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,43,42,.92) 0%,rgba(15,61,62,.78) 52%,rgba(15,61,62,.48) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.page-hero h1{color:#fff;max-width:900px;}
.page-hero .hero-sub{
  margin:16px 0 0;color:rgba(255,255,255,.86);
  font-size:18px;font-weight:500;max-width:640px;
}
.page-hero .eyebrow{color:var(--lime);}
.page-hero .eyebrow::before{background:var(--lime);}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--lime);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 入口步骤条 ---------- */
.step-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:-56px;position:relative;z-index:5;
}
.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px 24px 26px;
}
.step-card .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:rgba(201,242,77,.4);color:#3D5A0B;
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 筛选行 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  padding:22px 0 6px;
}
.filter-chip{
  border:1px solid var(--line);
  background:#fff;color:var(--text);
  padding:9px 20px;border-radius:999px;
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--jade);color:var(--jade);}
.filter-chip.is-active{
  background:var(--ink-teal);border-color:var(--ink-teal);color:#fff;
  box-shadow:0 8px 18px rgba(15,61,62,.22);
}
.filter-count{margin-left:auto;font-size:14px;color:var(--muted);}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;margin-top:34px;
}
.g-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.g-card:hover{transform:translateY(-4px);border-color:var(--jade);box-shadow:var(--shadow-hover);}
.g-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7E2D6;
}
.g-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.g-card:hover .thumb img{transform:scale(1.04);}
.g-card .thumb .badge{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--ink-teal);}
.g-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.g-card h3{font-size:19.5px;line-height:1.45;margin-bottom:10px;}
.g-card h3 a{color:var(--ink-teal);}
.g-card h3 a:hover{color:var(--orange);text-decoration:none;}
.g-card .excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.75;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.g-card .meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--muted);
  border-top:1px dashed var(--line);padding-top:14px;
}
.g-card .meta i{color:var(--jade);margin-right:5px;}
.g-card .stretch{position:absolute;inset:0;z-index:3;text-indent:-9999px;overflow:hidden;}
.g-card.is-hidden{display:none;}

/* ---------- 自检清单 ---------- */
.check-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:36px;
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:40px;
  align-items:center;
}
.check-visual{
  border-radius:var(--radius-img);overflow:hidden;aspect-ratio:4/3;background:#E7E2D6;
}
.check-visual img{width:100%;height:100%;object-fit:cover;}
.check-list li{
  display:flex;gap:14px;padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--text);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:rgba(201,242,77,.45);color:#3D5A0B;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:5px;
}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  margin-top:12px;
}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;text-align:left;
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric strong{display:block;font-size:32px;color:var(--ink-teal);line-height:1.1;margin-bottom:8px;}
.metric span{font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:22px 28px;
  font-size:16.5px;font-weight:700;color:var(--ink-teal);
  border-left:3px solid transparent;
  transition:background-color .2s ease,border-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:24px;font-weight:400;
  color:var(--jade);line-height:1;transition:transform .25s ease;
}
.faq-item[open] summary{background:rgba(23,107,99,.05);border-left-color:var(--orange);}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);color:var(--orange);}
.faq-item summary:hover{background:rgba(23,107,99,.05);}
.faq-answer{padding:0 28px 24px 47px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.faq-answer p{margin:0;}

/* ---------- 分页 / 加载更多 ---------- */
.load-more{display:flex;flex-direction:column;align-items:center;gap:18px;margin-top:44px;}
.pager{display:flex;align-items:center;gap:8px;font-size:14px;}
.pager a,.pager span{
  min-width:38px;height:38px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;border:1px solid var(--line);background:#fff;
  color:var(--text);font-weight:600;
}
.pager a:hover{border-color:var(--jade);color:var(--jade);text-decoration:none;}
.pager .current{background:var(--ink-teal);border-color:var(--ink-teal);color:#fff;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--ink-teal) 0%,#12514F 58%,#176B63 100%);
  border-radius:24px;
  padding:56px 56px;
  color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-70px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.34),transparent 68%);
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);margin:0;max-width:520px;}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);border-radius:18px;padding:26px;backdrop-filter:blur(4px);}
.cta-form label{display:block;font-size:13.5px;font-weight:700;color:rgba(255,255,255,.9);margin-bottom:8px;}
.cta-form input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.94);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(201,242,77,.28);}
.cta-form .field{margin-bottom:16px;}
.cta-form .hint{font-size:12.5px;color:rgba(255,255,255,.72);margin:12px 0 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#E8EFEA;padding:72px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .logo{color:#fff;margin-bottom:18px;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-mark{background:rgba(201,242,77,.16);color:var(--lime);}
.site-footer p{color:rgba(232,239,234,.72);font-size:14.5px;line-height:1.8;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(232,239,234,.78);font-size:14.5px;}
.footer-col ul a:hover{color:var(--lime);}
.footer-form{display:flex;gap:10px;margin-top:8px;}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;
}
.footer-form input::placeholder{color:rgba(232,239,234,.5);}
.footer-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.22);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(232,239,234,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-links,.header-tools .search-box,.header-tools .btn{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-tools{margin-left:auto;gap:0;}
  .step-strip{grid-template-columns:1fr;margin-top:-40px;}
  .card-grid{grid-template-columns:1fr;gap:22px;}
  .check-panel{grid-template-columns:1fr;gap:28px;padding:28px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .header-inner{height:66px;gap:12px;}
  .logo-text{font-size:15.5px;}
  .logo-mark{width:34px;height:34px;font-size:13px;}
  .page-hero{min-height:260px;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .page-hero .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .step-strip{margin-top:0;gap:16px;}
  .filter-bar{gap:9px;}
  .filter-chip{padding:8px 15px;font-size:13.5px;}
  .filter-count{width:100%;margin-left:0;}
  .g-card .body{padding:18px;}
  .g-card h3{font-size:17.5px;}
  .metrics{grid-template-columns:1fr;gap:16px;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-answer{padding:0 18px 20px 18px;}
  .cta-band{padding:28px 20px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:52px 0 24px;margin-top:64px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F3D3E;
  --c-primary-deep:#0B2B2A;
  --c-secondary:#176B63;
  --c-accent:#E86A33;
  --c-accent-deep:#CF5727;
  --c-lime:#C9F24D;
  --c-bg:#F6F3EC;
  --c-card:#FFFFFF;
  --c-text:#14201E;
  --c-muted:#5E6B68;
  --c-line:#DDD6C8;
  --shadow-sm:0 8px 24px rgba(15,61,62,.08);
  --shadow-md:0 18px 40px rgba(15,61,62,.16);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-secondary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
h1,h2,h3,h4{color:var(--c-primary);margin:0 0 16px;line-height:1.25;font-weight:700;font-family:inherit}
h1{font-size:clamp(28px,4vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(23px,2.8vw,34px)}
h3{font-size:20px}
p{margin:0 0 16px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:#fff}
.section-tight{padding:64px 0}
.section-head{max-width:780px;margin-bottom:44px}
.section-head p{color:var(--c-muted);font-size:16px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--c-secondary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);border-radius:2px}

/* header */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 2px 14px rgba(15,61,62,.06)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--c-primary);letter-spacing:.2px}
.logo:hover{color:var(--c-primary);text-decoration:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),var(--c-secondary));
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.5px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-links a{padding:9px 15px;border-radius:999px;color:var(--c-text);font-size:15.5px;font-weight:500}
.nav-links a:hover{background:#EFF4F0;color:var(--c-secondary);text-decoration:none}
.nav-links a.active{background:rgba(15,61,62,.09);color:var(--c-primary);font-weight:700}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative}
.nav-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:14px}
.nav-search input{
  height:44px;width:210px;border-radius:999px;border:1px solid var(--c-line);
  background:#FBF9F4;padding:0 18px 0 40px;font-size:14.5px;color:var(--c-text);
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input:focus{border-color:var(--c-secondary);box-shadow:0 0 0 3px rgba(23,107,99,.12);outline:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  font-size:17px;cursor:pointer;
}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--c-line);padding:10px 0 20px}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:13px 4px;font-size:16px;color:var(--c-text);border-bottom:1px solid var(--c-line)}
.mobile-menu a:last-of-type{border-bottom:none}
.mobile-menu form{margin-top:16px;display:flex;gap:10px}
.mobile-menu input{flex:1;height:46px;border-radius:10px;border:1px solid var(--c-line);padding:0 14px;font-family:inherit;font-size:15px;background:#FBF9F4}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  font-family:inherit;transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px rgba(232,106,51,.28)}
.btn-primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,106,51,.34)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:rgba(23,107,99,.08);color:var(--c-primary);transform:translateY(-2px)}
.btn-lime{background:var(--c-lime);color:var(--c-primary-deep);box-shadow:0 10px 24px rgba(201,242,77,.24)}
.btn-lime:hover{background:#bde632;color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}

/* hero */
.cat-hero{
  position:relative;padding:76px 0 68px;color:#fff;isolation:isolate;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;min-height:300px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,43,42,.95) 0%,rgba(15,61,62,.88) 46%,rgba(15,61,62,.58) 100%);
}
.cat-hero .container{position:relative;z-index:1}
.cat-hero h1{color:#fff;max-width:900px;margin-bottom:18px}
.cat-hero .eyebrow{color:var(--c-lime)}
.cat-hero .eyebrow::before{background:var(--c-lime)}
.cat-hero .lede{color:rgba(255,255,255,.84);font-size:17px;max-width:720px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap}
.stat{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:14px;padding:14px 20px;min-width:150px;backdrop-filter:blur(2px);
}
.stat strong{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2}
.stat span{font-size:13px;color:rgba(255,255,255,.74)}

/* quick cards */
.quick-card{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%;
}
.quick-card:hover{transform:translateY(-4px);border-color:var(--c-secondary);box-shadow:var(--shadow-md)}
.quick-card h3{font-size:18px;margin-bottom:10px}
.quick-card .kv{font-size:14.8px;color:var(--c-muted);margin:0 0 8px}
.quick-card .kv b{color:var(--c-primary);font-weight:700;margin-right:6px}
.quick-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,107,99,.1);color:var(--c-secondary);font-size:18px;margin-bottom:16px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  background:rgba(23,107,99,.1);color:var(--c-secondary);
}
.tag-accent{background:rgba(232,106,51,.12);color:var(--c-accent-deep)}
.tag-line{background:#fff;border:1px solid var(--c-line);color:var(--c-muted)}

/* topic scroller */
.topic-tools{display:flex;gap:10px;margin-left:auto}
.scroll-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-primary);cursor:pointer;font-size:15px;transition:.22s ease;
}
.scroll-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.head-row{display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.head-row .section-head{margin-bottom:0}
.topic-scroller{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 24px;scrollbar-width:thin;
}
.topic-scroller::-webkit-scrollbar{height:8px}
.topic-scroller::-webkit-scrollbar-thumb{background:rgba(15,61,62,.2);border-radius:99px}
.topic-card{
  position:relative;flex:0 0 340px;scroll-snap-align:start;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:var(--c-secondary);box-shadow:var(--shadow-md)}
.topic-card img{width:100%;height:172px;object-fit:cover}
.topic-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:19px;margin:0}
.topic-body p{margin:0;font-size:14.8px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-body .more{margin-top:auto;font-size:14px;font-weight:700;color:var(--c-secondary)}
.card-link{position:relative;color:inherit}
.card-link::after{content:"";position:absolute;inset:0;z-index:2}
.card-link:hover{color:var(--c-accent);text-decoration:none}

/* timeline */
.timeline{position:relative;margin-top:10px;padding-left:32px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-secondary),rgba(23,107,99,.12));
}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-secondary);box-shadow:0 0 0 4px rgba(23,107,99,.12);
}
.tl-item .tl-step{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--c-accent);display:block;margin-bottom:4px}
.tl-item h3{font-size:19px;margin-bottom:6px}
.tl-item p{margin:0;color:var(--c-muted);font-size:15.5px}

.index-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);position:sticky;top:100px;
}
.index-card h3{font-size:18px;margin-bottom:14px}
.index-list{list-style:none;margin:0 0 22px;padding:0}
.index-list li{border-bottom:1px dashed var(--c-line)}
.index-list li:last-child{border-bottom:none}
.index-list a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;font-size:15px;color:var(--c-text)}
.index-list a:hover{color:var(--c-accent);text-decoration:none}
.index-list span{color:var(--c-muted);font-size:13px}
.index-note{background:#FBF9F4;border:1px solid var(--c-line);border-radius:12px;padding:16px;font-size:14px;color:var(--c-muted)}

/* faq */
.faq-list{
  max-width:920px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:none;border:0;text-align:left;cursor:pointer;
  font-family:inherit;font-size:16.5px;font-weight:700;color:var(--c-primary);
  transition:background .2s ease;
}
.faq-q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:transparent;border-radius:0 3px 3px 0;transition:background .2s ease}
.faq-item.is-open .faq-q::before{background:var(--c-secondary)}
.faq-q:hover{background:#FBF9F4}
.faq-q i{color:var(--c-secondary);font-size:15px;transition:transform .28s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:520px}
.faq-a p{margin:0;padding:0 26px 24px;color:var(--c-muted);font-size:15.5px}

/* cta */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:52px;
  background:linear-gradient(120deg,#0B2B2A 0%,#0F3D3E 52%,#176B63 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.24),transparent 68%);
}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{color:#fff;margin-bottom:12px}
.cta-text p{color:rgba(255,255,255,.78);margin:0;font-size:15.5px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}

/* footer */
.site-footer{background:var(--c-primary-deep);color:#E8EFEA;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{color:rgba(232,239,234,.72);font-size:14.5px;max-width:330px;margin:0}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(232,239,234,.78);font-size:14.5px}
.footer-col a:hover{color:var(--c-lime);text-decoration:none}
.footer-sub p{color:rgba(232,239,234,.72);font-size:14.5px;margin:0 0 6px}
.footer-form{display:flex;gap:10px;margin-top:14px}
.footer-form input{
  flex:1;height:46px;border-radius:var(--radius-sm);
  border:1px solid rgba(232,239,234,.24);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;font-family:inherit;
}
.footer-form input::placeholder{color:rgba(232,239,234,.48)}
.footer-form input:focus{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(201,242,77,.16);outline:none}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(232,239,234,.14);margin-top:44px;padding-top:22px;
  font-size:13.5px;color:rgba(232,239,234,.6);
}

/* responsive */
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .cat-hero{padding:58px 0 54px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .index-card{position:static;margin-top:34px}
  .cta-band{padding:40px}
}
@media (max-width:767px){
  .topic-card{flex:0 0 288px}
  .hero-stats{gap:12px}
  .stat{min-width:132px;padding:12px 16px}
  .stat strong{font-size:21px}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:46px 0}
  .header-inner{gap:12px;min-height:66px}
  .logo{font-size:15.5px}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:13px}
  h1{font-size:26px}
  .cat-hero{padding:44px 0 42px;min-height:auto}
  .hero-actions .btn{width:100%}
  .topic-card{flex:0 0 262px}
  .topic-card img{height:150px}
  .quick-card{padding:22px 20px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 20px}
  .cta-band{padding:30px 22px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-form{flex-wrap:wrap}
}