/* roulang page: index */
:root{
  --primary:#17A398;
  --primary-dark:#0B5D57;
  --primary-soft:rgba(23,163,152,.10);
  --purple:#6C4CF1;
  --purple-soft:rgba(108,76,241,.10);
  --orange:#FF7A3D;
  --orange-dark:#E8621F;
  --glow:#38E0C8;
  --ink:#0F1F1E;
  --ink-2:#1B302E;
  --bg:#F5F7F6;
  --surface:#FFFFFF;
  --line:#DCE4E2;
  --muted:#667877;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow:0 2px 8px rgba(15,31,30,.06);
  --shadow-md:0 8px 22px rgba(15,31,30,.09);
  --shadow-lg:0 18px 48px rgba(15,31,30,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary-dark);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x.grid-margin-y{margin-top:0;margin-bottom:0;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--dark{background:var(--ink);color:#E9F2F0;}
.section--soft{background:#EDF3F1;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary-dark);background:var(--primary-soft);
  border:1px solid rgba(23,163,152,.22);border-radius:999px;
  padding:5px 12px;margin-bottom:16px;font-weight:600;
}
.section--dark .eyebrow{color:var(--glow);background:rgba(56,224,200,.10);border-color:rgba(56,224,200,.28);}
h1,.h1{font-size:clamp(32px,4.4vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.02em;}
h2,.h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h3,.h3{font-size:19px;font-weight:600;line-height:1.45;}
.lead{font-size:17px;color:var(--muted);line-height:1.85;}
.section--dark .lead{color:#B9CFCB;}
.text-muted{color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:12px;font-weight:600;letter-spacing:.06em;white-space:nowrap;
}
.badge--purple{background:var(--purple-soft);color:var(--purple);}
.badge--orange{background:rgba(255,122,61,.12);color:#C74F16;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;text-decoration:none!important;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(255,122,61,.28);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,122,61,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-solid{background:var(--primary);color:#fff;}
.btn-solid:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary-dark);border-color:rgba(11,93,87,.28);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-soft);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary-dark);}
.btn-light:hover{background:#EAF5F3;color:var(--primary-dark);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-block{width:100%;}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.textlink{font-size:14px;font-weight:600;color:var(--primary-dark);display:inline-flex;align-items:center;gap:6px;}
.textlink::after{content:"→";transition:transform .18s ease;font-weight:700;}
.textlink:hover::after{transform:translateX(3px);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(140%);
}
.nav-wrap{max-width:var(--container);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none!important;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;flex:0 0 auto;
}
.brand-mark svg{display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted);}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-block;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;
  color:var(--ink);text-decoration:none!important;transition:background .18s ease,color .18s ease;
}
.main-nav a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.main-nav a.is-active{color:var(--primary-dark);background:var(--primary-soft);font-weight:600;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mega-wrap{position:relative;flex:0 0 auto;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:12px;border:1px solid rgba(23,163,152,.32);background:var(--primary-soft);
  color:var(--primary-dark);font-size:15px;font-weight:600;transition:border-color .18s ease,background .18s ease;
}
.mega-trigger:hover{border-color:var(--primary);background:rgba(23,163,152,.16);}
.mega-trigger[aria-expanded="true"]{border-color:var(--primary);background:rgba(23,163,152,.18);}
.mega-trigger i{font-style:normal;font-size:12px;transition:transform .2s ease;}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;background:#fff;
  border:1px solid rgba(23,163,152,.28);border-top:2px solid var(--primary);
  border-radius:12px;box-shadow:0 6px 18px rgba(15,31,30,.08),0 18px 38px rgba(15,31,30,.10),0 34px 70px rgba(15,31,30,.10);
  padding:26px;display:none;grid-template-columns:1.1fr 1fr 1fr;gap:26px;z-index:90;
}
.mega-panel.is-open{display:grid;}
.mega-col h4{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:14px;}
.mega-col ul li+li{margin-top:10px;}
.mega-col ul a{display:block;font-size:15px;font-weight:600;color:var(--ink);text-decoration:none!important;}
.mega-col ul a:hover{color:var(--primary);}
.mega-col ul span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6;font-weight:400;}
.mega-news li{display:flex;flex-direction:column;gap:2px;padding-bottom:10px;border-bottom:1px dashed var(--line);}
.mega-news li:last-child{border-bottom:0;padding-bottom:0;}
.mega-news a{font-size:14px;font-weight:600;color:var(--ink);text-decoration:none!important;line-height:1.5;}
.mega-news a:hover{color:var(--primary);}
.mega-news time{font-size:12px;color:var(--muted);}
.mega-card{
  background:#F4F9F8;border:1px solid var(--line);border-radius:12px;padding:14px;
}
.mega-card img{border-radius:10px;aspect-ratio:16/10;object-fit:cover;margin-bottom:12px;}
.mega-card p{font-size:14px;font-weight:600;margin-bottom:12px;}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;}
.hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(15,31,30,.92) 0%,rgba(15,31,30,.78) 46%,rgba(11,93,87,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero__inner{position:relative;padding:104px 0 92px;}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;
  color:#B9F0E7;background:rgba(56,224,200,.12);border:1px solid rgba(56,224,200,.34);
  border-radius:999px;padding:6px 14px;margin-bottom:22px;font-weight:600;
}
.hero h1{color:#fff;}
.hero h1 mark{background:none;color:var(--glow);}
.hero__sub{font-size:18px;color:#CFE3E0;margin-top:20px;max-width:560px;line-height:1.75;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero__badges span{
  font-size:12.5px;letter-spacing:.08em;color:#D7EAE7;border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.05);
}
.hero__card{
  position:relative;background:#fff;border-radius:var(--radius-l);padding:16px;
  box-shadow:var(--shadow-lg);color:var(--ink);
}
.hero__card img{border-radius:16px;aspect-ratio:16/11;object-fit:cover;}
.hero__card-body{padding:18px 8px 6px;}
.hero__card-body h3{font-size:17px;margin-bottom:8px;}
.hero__card-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.hero__float{
  position:absolute;left:-18px;bottom:64px;background:var(--ink);color:#E9F2F0;
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:14px;
}
.hero__float b{font-size:26px;font-weight:800;color:var(--glow);line-height:1;}
.hero__float small{font-size:12px;color:#A9C4C0;letter-spacing:.06em;display:block;}
.hero__watermark{
  position:absolute;right:32px;bottom:-26px;font-size:200px;font-weight:800;
  color:rgba(255,255,255,.05);line-height:1;pointer-events:none;user-select:none;letter-spacing:-.04em;
}

/* ===== 服务卡 ===== */
.service-grid{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:24px;}
.svc{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(23,163,152,.35);}
.svc--big{grid-row:span 2;}
.svc--big img{border-radius:12px;aspect-ratio:16/9;object-fit:cover;margin-bottom:22px;}
.svc h3{margin-bottom:10px;}
.svc p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.svc ul{margin-top:16px;display:grid;gap:8px;}
.svc ul li{font-size:14px;color:var(--ink-2);padding-left:18px;position:relative;}
.svc ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--glow);}
.svc .textlink{margin-top:auto;padding-top:18px;}

/* ===== 数据区 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:8px 26px;border-left:1px solid rgba(255,255,255,.14);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{font-size:clamp(34px,4vw,48px);font-weight:800;line-height:1;color:#fff;letter-spacing:-.02em;}
.stat b i{font-style:normal;font-size:14px;font-weight:600;color:var(--glow);margin-left:6px;letter-spacing:.08em;}
.stat span{display:block;margin-top:12px;font-size:13.5px;color:#A9C4C0;letter-spacing:.02em;}

/* ===== 场景卡 ===== */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(23,163,152,.35);}
.case-card img{aspect-ratio:16/9;object-fit:cover;}
.case-card__body{padding:24px;display:flex;flex-direction:column;flex:1;}
.case-card__body h3{margin-bottom:10px;}
.case-card__body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.case-card__body .textlink{margin-top:18px;}

/* ===== 步骤条 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{position:relative;padding-top:64px;}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;z-index:2;
}
.step--current::before{background:var(--purple);box-shadow:0 0 0 6px rgba(108,76,241,.14);}
.step::after{
  content:"";position:absolute;top:19px;left:52px;right:-24px;height:2px;background:var(--line);z-index:1;
}
.step:last-child::after{display:none;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}
.step .badge{margin-top:12px;}

/* ===== 最新信息 ===== */
.cms-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(23,163,152,.35);}
.post-card__title{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__title a{color:var(--ink);text-decoration:none!important;}
.post-card__title a:hover{color:var(--primary);}
.post-card__excerpt{
  font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px;
}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface);
  padding:52px 24px;text-align:center;
}
.empty-state svg{margin:0 auto 16px;color:var(--primary);}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.faq-item.is-open{border-color:rgba(23,163,152,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--primary-dark);}
.faq-q i{font-style:normal;flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);display:grid;place-items:center;font-size:15px;font-weight:700;transition:transform .2s ease,background .2s ease;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{display:none;padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}

/* ===== 表单区 ===== */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#FBFDFC;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.75;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(23,163,152,.14);
}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:6px;}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7;}
.checkbox input{margin-top:4px;width:16px;height:16px;accent-color:var(--primary);}
.form-note{margin-top:16px;font-size:13.5px;color:var(--primary-dark);display:none;}
.form-note.is-visible{display:block;}
.entry-card{background:var(--ink);color:#E9F2F0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);}
.entry-card img{aspect-ratio:16/10;object-fit:cover;}
.entry-card__body{padding:26px;}
.entry-card__body h3{color:#fff;margin-bottom:10px;}
.entry-card__body p{font-size:14.5px;color:#A9C4C0;line-height:1.8;margin-bottom:20px;}
.entry-card__list{display:grid;gap:10px;margin-bottom:22px;}
.entry-card__list li{font-size:14px;color:#CFE3E0;padding-left:18px;position:relative;}
.entry-card__list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--glow);}

/* ===== CTA 通栏 ===== */
.cta-band{background:var(--ink);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(23,163,152,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(23,163,152,.10) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:#A9C4C0;font-size:15px;}

/* ===== 页脚 ===== */
.site-footer{background:#0A1615;color:#9FB6B2;padding:72px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;text-decoration:none!important;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:11px;}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff;display:block;line-height:1.2;}
.footer-brand em{font-style:normal;font-size:11px;letter-spacing:.16em;color:#7E9693;}
.site-footer p{line-height:1.85;color:#9FB6B2;}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.08em;margin-bottom:18px;font-weight:700;}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:#9FB6B2;text-decoration:none;transition:color .18s ease,text-underline-offset .18s ease;}
.footer-links a:hover{color:var(--glow);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#7E9693;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .nav-wrap{height:70px;gap:14px;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);
    padding:12px 24px 20px;display:none;box-shadow:var(--shadow-md);
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav a{padding:12px 14px;font-size:15.5px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .mega-wrap{margin-left:0;}
  .mega-trigger{padding:0 14px;font-size:14px;}
  .mega-panel{position:static;display:none;width:100%;margin-top:12px;grid-template-columns:1fr;box-shadow:var(--shadow-md);}
  .mega-panel.is-open{display:grid;}
  .hero__inner{padding:76px 0 72px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero__sub{max-width:100%;}
  .hero__watermark{font-size:140px;right:12px;bottom:-10px;}
  .service-grid{grid-template-columns:1fr;}
  .svc--big{grid-row:auto;}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .step:nth-child(2)::after{display:none;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  body{font-size:15.5px;}
  .container,.grid-container{padding-left:20px;padding-right:20px;}
  .nav-wrap{padding:0 20px;height:64px;}
  .brand-text strong{font-size:17px;}
  .brand-text em{letter-spacing:.10em;}
  .section{padding:56px 0;}
  .hero__inner{padding:56px 0 60px;}
  .hero__cta .btn{width:100%;}
  .hero__float{left:12px;bottom:-16px;padding:10px 14px;}
  .hero__float b{font-size:22px;}
  .case-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .step::after{display:none;}
  .stats{grid-template-columns:1fr;gap:24px;}
  .stat{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;}
  .stat:first-child{border-top:0;padding-top:0;}
  .post-grid{grid-template-columns:1fr;}
  .cms-head{flex-direction:column;align-items:flex-start;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band__inner{padding:48px 0;}
  .cta-band__inner .btn{width:100%;}
  .hero__watermark{display:none;}
}
@media screen and (max-width:479px){
  h1,.h1{font-size:29px;}
  .brand-mark{width:38px;height:38px;border-radius:11px;}
  .mega-trigger{font-size:13px;padding:0 12px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#17A398;
  --c-primary-dark:#0B5D57;
  --c-primary-soft:rgba(23,163,152,.10);
  --c-primary-line:rgba(23,163,152,.22);
  --c-accent:#6C4CF1;
  --c-accent-soft:rgba(108,76,241,.10);
  --c-warm:#FF7A3D;
  --c-warm-dark:#E8622A;
  --c-warm-soft:rgba(255,122,61,.12);
  --c-ink:#0F1F1E;
  --c-ink-soft:#1C2F2D;
  --c-bg:#F5F7F6;
  --c-card:#FFFFFF;
  --c-line:#DCE4E2;
  --c-muted:#667877;
  --c-glow:#38E0C8;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(15,31,30,.06);
  --shadow-2:0 12px 32px rgba(15,31,30,.10);
  --shadow-3:0 26px 64px rgba(15,31,30,.18);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,text-underline-offset .2s ease}
a:hover,a:focus{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.25}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-alt{background:#FFFFFF}
.section-dark{background:var(--c-ink);color:#D9E4E2}
.section-dark h2,.section-dark h3{color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(15,31,30,.04);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:74px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.brand:hover{text-decoration:none;color:var(--c-ink)}
.brand-mark{color:var(--c-primary);display:inline-flex;align-items:center;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-muted);letter-spacing:.10em}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:9px 13px;border-radius:var(--radius-s);
  font-size:15px;color:#2E4140;font-weight:500;
}
.main-nav a:hover{color:var(--c-primary-dark);background:var(--c-primary-soft);text-decoration:none}
.main-nav a.is-active{color:var(--c-primary-dark);background:var(--c-primary-soft);font-weight:700}
.mega-wrap{position:relative;flex:0 0 auto}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;
  letter-spacing:.02em;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:0 6px 18px rgba(23,163,152,.28);
}
.mega-trigger i{font-style:normal;font-size:11px;transition:transform .2s ease}
.mega-trigger:hover{background:var(--c-primary-dark);transform:translateY(-1px)}
.mega-wrap.is-open .mega-trigger{background:var(--c-primary-dark);box-shadow:var(--shadow-2)}
.mega-wrap.is-open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;
  background:#fff;border:1px solid var(--c-line);border-top:2px solid var(--c-primary);
  border-radius:var(--radius-m);padding:26px;
  display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px;
  box-shadow:var(--shadow-3);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;color:var(--c-muted);letter-spacing:.12em;margin-bottom:14px;font-weight:700}
.mega-col ul li + li{margin-top:10px}
.mega-col ul a{display:block;font-size:14px;color:#22403E;font-weight:600;line-height:1.5}
.mega-col ul a span{display:block;font-size:12px;color:var(--c-muted);font-weight:400;letter-spacing:0;margin-top:2px}
.mega-col ul a:hover{color:var(--c-primary);text-decoration:none}
.mega-news li{display:flex;flex-direction:column;gap:2px;padding-bottom:8px;border-bottom:1px dashed var(--c-line)}
.mega-news time{font-size:12px;color:var(--c-muted);letter-spacing:.06em}
.mega-card{
  border:1px solid var(--c-line);border-radius:var(--radius-m);overflow:hidden;background:#fff;
}
.mega-card img{width:100%;height:104px;object-fit:cover;background:#EDF1F0}
.mega-card .mega-card-body{padding:14px}
.mega-card p{font-size:13px;color:var(--c-muted);margin:0 0 12px;line-height:1.6}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(23,163,152,.26)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff}
.btn-warm{background:var(--c-warm);color:#fff;box-shadow:0 8px 20px rgba(255,122,61,.28)}
.btn-warm:hover{background:var(--c-warm-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--c-primary-dark);border:1px solid var(--c-primary-line)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-line-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-line-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:var(--radius-s);
  position:relative;border:1px solid var(--c-line);background:#fff;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
  transform:translateX(-50%);content:"";transition:.2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- Breadcrumb + Hero ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.crumb{
  max-width:var(--container);margin:0 auto;padding:14px 24px;
  font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:#B7C4C2}
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(15,31,30,.90),rgba(11,93,87,.82)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;padding:76px 0 68px;
}
.page-hero::after{
  content:"09";position:absolute;right:-10px;bottom:-56px;
  font-size:220px;font-weight:800;line-height:1;color:rgba(255,255,255,.05);
  letter-spacing:-.05em;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;font-weight:700;
  color:var(--c-glow);border:1px solid rgba(56,224,200,.4);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:20px;
}
.page-hero h1{
  color:#fff;font-size:clamp(32px,4.4vw,54px);font-weight:800;
  line-height:1.15;letter-spacing:-.02em;margin-bottom:16px;
}
.page-hero .lead{font-size:17px;color:#CBDCD9;max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-badges span{
  font-size:12px;letter-spacing:.08em;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.20);
  color:#E6F2F0;border-radius:var(--radius-pill);padding:6px 14px;
}

/* ---------- Anchor bar ---------- */
.anchor-bar{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:74px;z-index:60}
.anchor-inner{
  max-width:var(--container);margin:0 auto;padding:12px 24px;
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--c-line);font-size:14px;color:#2E4140;font-weight:600;
  background:#fff;transition:.2s ease;
}
.anchor-inner a:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:var(--c-primary-soft);text-decoration:none}

/* ---------- Section heads ---------- */
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-primary-dark);background:var(--c-primary-soft);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.sec-head p{color:var(--c-muted);font-size:16px;margin:0}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- Card matrix ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.topic-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--c-primary-line)}
.topic-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDF1F0}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.topic-card:hover .thumb img{transform:scale(1.04)}
.topic-card .thumb .idx{
  position:absolute;left:14px;top:14px;
  background:rgba(15,31,30,.72);color:#fff;font-size:12px;font-weight:700;
  letter-spacing:.08em;border-radius:var(--radius-pill);padding:4px 12px;
}
.topic-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.topic-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.topic-card p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0 0 18px}
.topic-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.tag.tag-purple{background:var(--c-accent-soft);color:var(--c-accent)}
.tag.tag-warm{background:var(--c-warm-soft);color:#C64A16}
.link-more{font-size:14px;font-weight:700;color:var(--c-primary-dark)}
.link-more::after{content:" →";letter-spacing:0}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.step{position:relative;padding:0 20px 0 0}
.step .dot{
  width:36px;height:36px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  position:relative;z-index:2;
}
.step.is-last .dot{background:var(--c-accent)}
.step .line{position:absolute;left:36px;right:0;top:18px;height:2px;background:var(--c-line);z-index:1}
.step.is-last .line{display:none}
.step h3{font-size:18px;font-weight:600;margin:18px 0 8px}
.step p{font-size:14px;color:var(--c-muted);line-height:1.75;margin:0;max-width:240px}

/* ---------- Two column list block ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.num-list{border-top:1px solid var(--c-line)}
.num-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-line);
}
.num-list .n{
  flex:0 0 30px;height:30px;border-radius:50%;
  border:1px solid var(--c-primary-line);color:var(--c-primary-dark);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.num-list h4{font-size:16px;font-weight:600;margin-bottom:4px}
.num-list p{font-size:14px;color:var(--c-muted);margin:0;line-height:1.75}
.check-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);
  padding:26px;box-shadow:var(--shadow-1);
}
.check-panel img{width:100%;height:180px;object-fit:cover;border-radius:var(--radius-s);margin-bottom:22px;background:#EDF1F0}
.check-panel h3{font-size:19px;margin-bottom:14px}
.chk{display:flex;flex-direction:column;gap:12px}
.chk li{display:flex;gap:10px;font-size:14px;color:#2E4140;line-height:1.7}
.chk li::before{
  content:"";flex:0 0 16px;height:16px;margin-top:5px;border-radius:4px;
  border:1px solid var(--c-primary-line);background:var(--c-primary-soft);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item + .faq-item{margin-top:14px}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:17px;font-weight:600;color:var(--c-ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:600;color:var(--c-primary);line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary{color:var(--c-primary-dark)}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{color:var(--c-primary-dark)}
.faq-item .faq-body{padding:0 24px 22px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-ink);color:#D9E4E2;position:relative;overflow:hidden;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:36px 36px;
}
.cta-band .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{margin:0;color:#A9C0BD;font-size:15px;max-width:560px}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:#9FB4B1;padding:68px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.footer-brand .brand-mark{color:var(--c-glow)}
.footer-brand strong{font-size:17px;font-weight:800;display:block;line-height:1.1}
.footer-brand em{font-style:normal;font-size:11px;letter-spacing:.10em;color:#7E9693}
.site-footer p{font-size:14px;line-height:1.8;color:#8FA5A2;margin:0}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links span{font-size:14px;color:#9FB4B1}
.footer-links a:hover{color:var(--c-glow);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:#6F8784;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .nav-wrap{gap:16px}
  .main-nav a{padding:9px 10px;font-size:14px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .step .line{display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .mega-panel{width:640px;grid-template-columns:1fr 1fr}
  .mega-panel .mega-col:last-child{grid-column:span 2}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .nav-wrap{padding:0 20px;height:66px}
  .nav-toggle{display:block}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:var(--shadow-2);padding:10px 20px 18px;
    display:none;
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:12px 10px;border-bottom:1px solid var(--c-line);border-radius:0}
  .main-nav a.is-active{background:transparent;border-bottom:2px solid var(--c-primary)}
  .mega-wrap{margin-left:auto;order:3}
  .mega-panel{
    position:static;width:100%;margin-top:12px;grid-template-columns:1fr;
    opacity:1;visibility:visible;transform:none;box-shadow:var(--shadow-1);display:none;
  }
  .mega-wrap.is-open .mega-panel{display:grid}
  .mega-wrap:hover .mega-panel{display:none}
  .mega-wrap.is-open:hover .mega-panel{display:grid}
  .mega-panel .mega-col:last-child{grid-column:auto}
  .page-hero{padding:54px 0 48px}
  .page-hero::after{font-size:150px;bottom:-40px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:28px}
  .sec-head{margin-bottom:32px}
  .cta-band{padding:52px 0}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .anchor-bar{position:static}
}
@media screen and (max-width:479px){
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:10px}
  .page-hero h1{font-size:30px}
  .hero-actions .btn{width:100%}
  .topic-card .body{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --brand:#17A398;
  --brand-dark:#0B5D57;
  --brand-glow:#38E0C8;
  --accent:#6C4CF1;
  --warm:#FF7A3D;
  --warm-dark:#E86226;
  --ink:#0F1F1E;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#DCE4E2;
  --muted:#667877;
  --text:#243433;
  --radius-s:10px;
  --radius:14px;
  --radius-l:20px;
  --shadow:0 2px 8px rgba(15,31,30,.06);
  --shadow-hover:0 10px 24px rgba(15,31,30,.12);
  --container:1200px;
  --header-h:74px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.is-hidden{display:none !important;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(15,31,30,.02);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand-dark);flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#17A398,#0B5D57);
  color:#fff;flex-shrink:0;
  box-shadow:0 4px 12px rgba(23,163,152,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--brand);font-weight:600;margin-top:2px;}
.main-nav{flex:1;}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:#3b4d4c;
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transition:right .24s ease;
}
.main-nav a:hover{color:var(--brand-dark);}
.main-nav a:hover::after{right:0;}
.main-nav a.is-active{color:var(--brand-dark);font-weight:700;}
.main-nav a.is-active::after{right:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mega-wrap{position:relative;flex-shrink:0;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  letter-spacing:.02em;transition:background .22s ease,transform .18s ease;
}
.mega-trigger i{font-style:normal;font-size:11px;opacity:.8;transition:transform .22s ease;}
.mega-trigger:hover{background:var(--brand-dark);transform:translateY(-1px);}
.mega-trigger[aria-expanded="true"]{background:var(--brand-dark);}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;
  width:min(780px,90vw);
  display:none;grid-template-columns:1.15fr 1.15fr .95fr;gap:26px;
  background:#fff;border:1px solid var(--line);border-top:2px solid var(--brand);
  border-radius:14px;padding:26px;
  box-shadow:0 4px 10px rgba(15,31,30,.06),0 16px 32px rgba(15,31,30,.10),0 32px 60px rgba(15,31,30,.08);
  z-index:90;
}
.mega-panel.is-open{display:grid;}
.mega-col h4{
  font-size:12px;letter-spacing:.14em;color:var(--muted);
  font-weight:700;text-transform:uppercase;margin-bottom:14px;
}
.mega-col ul li + li{margin-top:10px;}
.mega-col ul a{
  display:block;font-size:15px;font-weight:600;color:var(--ink);
}
.mega-col ul a span{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:2px;letter-spacing:0;}
.mega-col ul a:hover{color:var(--brand);}
.mega-news li{display:flex;flex-direction:column;gap:2px;padding-bottom:10px;border-bottom:1px dashed var(--line);}
.mega-news a{font-size:14px;font-weight:500;color:#334544;line-height:1.5;}
.mega-news a:hover{color:var(--brand);}
.mega-news time{font-size:12px;color:#93a3a2;letter-spacing:.04em;}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;background:#fff;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.mega-card img{width:100%;height:104px;object-fit:cover;}
.mega-card span{display:block;font-size:14px;font-weight:600;color:var(--ink);padding:12px 14px 0;}
.mega-card em{
  display:inline-block;font-style:normal;margin:10px 14px 14px;
  background:var(--warm);color:#fff;font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:999px;
}
.mega-card:hover{border-color:rgba(23,163,152,.5);box-shadow:var(--shadow-hover);transform:translateY(-2px);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:0;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,31,30,.88) 0%,rgba(11,93,87,.78) 62%,rgba(15,31,30,.72) 100%);
}
.article-hero .container{position:relative;z-index:2;padding-top:30px;padding-bottom:52px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--brand-glow);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  color:#fff;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.015em;
  max-width:880px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;
}
.hero-meta .badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(56,224,200,.18);color:#bff6ee;font-size:12px;letter-spacing:.08em;font-weight:600;
}
.hero-meta time{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.04em;}

/* ---------- article layout ---------- */
.article-main{padding:56px 0 40px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 268px;
  gap:48px;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  padding:clamp(24px,3.4vw,48px);
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.8;
  color:#26403d;
}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;color:var(--ink);
  line-height:1.4;
  margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--brand);border-radius:3px;
}
.article-body h3{
  font-size:20px;font-weight:600;color:var(--ink);
  margin:28px 0 12px;line-height:1.5;
}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--brand-dark);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body img{border-radius:12px;margin:22px auto;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;
  background:#EAF4F2;border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:#2c4a47;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
.article-body th{background:#EFF5F4;font-weight:600;color:var(--ink);}
.article-body tbody tr:nth-child(even){background:#F8FBFA;}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--warm);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body code{
  background:#EEF4F3;padding:2px 6px;border-radius:6px;
  font-size:14px;font-family:"SFMono-Regular",Consolas,Menlo,monospace;color:var(--brand-dark);
}

.empty-state{text-align:center;padding:32px 0 12px;}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;
  border:2px solid var(--line);color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- side toc ---------- */
.article-side{position:sticky;top:calc(var(--header-h) + 24px);}
.toc-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px 12px;box-shadow:var(--shadow);
}
.toc-box h3{
  font-size:13px;letter-spacing:.12em;color:var(--muted);
  font-weight:700;margin-bottom:14px;text-transform:uppercase;
}
.toc-list li{margin-bottom:6px;}
.toc-list a{
  display:block;font-size:14px;color:#3f5855;line-height:1.6;
  padding:6px 10px;border-radius:8px;border-left:2px solid transparent;
}
.toc-list a:hover{background:#EFF5F4;color:var(--brand-dark);border-left-color:var(--brand);}
.side-cta{
  margin-top:20px;background:var(--ink);border-radius:var(--radius);
  padding:22px;color:#fff;
}
.side-cta strong{display:block;font-size:16px;font-weight:700;margin-bottom:8px;}
.side-cta p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;margin-bottom:16px;}
.side-cta a{
  display:inline-block;background:var(--warm);color:#fff;font-size:13px;font-weight:600;
  padding:9px 18px;border-radius:999px;transition:background .2s ease,transform .18s ease;
}
.side-cta a:hover{background:var(--warm-dark);transform:translateY(-1px);}

/* ---------- tags & share ---------- */
.article-foot{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E4F3F1;color:var(--brand-dark);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.share-row{display:flex;align-items:center;gap:10px;}
.share-row span{font-size:13px;color:var(--muted);}
.share-btn{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);
  background:#fff;transition:all .2s ease;
}
.share-btn:hover{border-color:var(--brand);color:var(--brand-dark);background:#F1F8F7;}

/* ---------- related ---------- */
.section{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:30px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink);
  letter-spacing:-.01em;line-height:1.3;
}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.more-link{font-size:14px;font-weight:600;color:var(--brand-dark);}
.more-link:hover{color:var(--warm);}
.card-grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(23,163,152,.35);}
.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#E9EFEE;}
.post-card .pc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.post-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.post-card .pc-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:#8fa09f;letter-spacing:.04em;
}
.post-card .pc-meta em{font-style:normal;color:var(--accent);font-weight:600;}

/* ---------- cta strip ---------- */
.cta-strip{
  background:var(--ink);border-radius:var(--radius-l);
  padding:clamp(28px,4vw,46px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border:1px solid rgba(56,224,200,.22);border-radius:50%;
}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:700;margin-bottom:8px;position:relative;}
.cta-strip p{color:rgba(255,255,255,.72);font-size:14px;max-width:520px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,transform .16s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--warm);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.26);}
.btn-primary:hover{background:var(--warm-dark);transform:translateY(-1px);color:#fff;}
.btn-dark{background:var(--brand-dark);color:#fff;}
.btn-dark:hover{background:#094943;transform:translateY(-1px);color:#fff;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand-dark);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:40px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  background:linear-gradient(140deg,#17A398,#0B5D57);
  color:#fff;width:36px;height:36px;border-radius:10px;
}
.footer-brand strong{display:block;font-size:17px;color:#fff;font-weight:800;line-height:1.2;}
.footer-brand em{font-style:normal;display:block;font-size:11px;letter-spacing:.14em;color:var(--brand-glow);margin-top:2px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.site-footer h4{
  font-size:13px;letter-spacing:.12em;color:#fff;font-weight:700;
  margin-bottom:18px;text-transform:uppercase;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:var(--brand-glow);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-wrap{gap:16px;flex-wrap:wrap;height:auto;padding:14px 20px;}
  .brand-mark{width:34px;height:34px;}
  .brand-text strong{font-size:17px;}
  .nav-toggle{display:flex;margin-left:auto;order:2;}
  .mega-wrap{order:3;}
  .main-nav{
    order:4;flex-basis:100%;display:none;
    border-top:1px solid var(--line);padding-top:10px;
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:2px;}
  .main-nav li{width:100%;}
  .main-nav a{display:block;width:100%;padding:12px 4px;font-size:15px;}
  .main-nav a::after{display:none;}
  .main-nav a.is-active{color:var(--brand-dark);background:#F1F8F7;border-radius:8px;padding-left:12px;}
  .mega-panel{
    position:fixed;top:auto;left:12px;right:12px;width:auto;
    grid-template-columns:1fr;max-height:70vh;overflow-y:auto;
    margin-top:8px;
  }
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-side{position:static;order:2;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:48px 0 32px;}
  .section{padding:52px 0;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 20px;}
  .nav-wrap{padding:12px 20px;}
  .brand-text em{font-size:10px;letter-spacing:.12em;}
  .mega-trigger{height:40px;padding:0 16px;font-size:13px;}
  .article-hero .container{padding-top:22px;padding-bottom:36px;}
  .breadcrumb .current{max-width:200px;}
  .article-main{padding:36px 0 24px;}
  .article-body{font-size:15.5px;}
  .article-body h2{font-size:21px;margin-top:30px;}
  .article-body h3{font-size:18px;}
  .article-card{padding:22px 18px;}
  .grid-3{grid-template-columns:1fr;}
  .section{padding:44px 0;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 24px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:479px){
  .brand-text strong{font-size:15px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .hero-meta{gap:8px;}
  .article-layout{gap:24px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
  .share-row span{display:none;}
}

/* roulang page: category2 */
:root{
  --brand:#17A398;
  --brand-deep:#0B5D57;
  --accent:#6C4CF1;
  --warm:#FF7A3D;
  --warm-deep:#E8631F;
  --ink:#0F1F1E;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#DCE4E2;
  --muted:#667877;
  --glow:#38E0C8;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --shadow:0 2px 8px rgba(15,31,30,.06);
  --shadow-md:0 10px 26px rgba(15,31,30,.10);
  --shadow-lg:0 18px 40px rgba(15,31,30,.14);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;}

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

:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,31,30,.03);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:72px;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--brand-deep);
  flex:0 0 auto;
}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(23,163,152,.10);
  color:var(--brand-deep);
  flex:0 0 auto;
}
.brand-text strong{
  display:block;
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.2;
}
.brand-text em{
  display:block;
  font-style:normal;
  font-size:11px;
  letter-spacing:.18em;
  color:var(--muted);
  line-height:1.3;
  margin-top:2px;
}

.main-nav{margin-left:8px;}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
}
.main-nav li{margin:0;padding:0;}
.main-nav a{
  display:block;
  padding:9px 13px;
  border-radius:9px;
  font-size:15px;
  font-weight:500;
  color:#2F3E3D;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.main-nav a:hover{
  background:rgba(23,163,152,.09);
  color:var(--brand-deep);
  text-decoration:underline;
  text-underline-offset:3px;
}
.main-nav a.is-active{
  background:rgba(23,163,152,.14);
  color:var(--brand-deep);
  font-weight:700;
}

.mega-wrap{position:relative;margin-left:auto;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid rgba(23,163,152,.38);
  background:rgba(23,163,152,.08);
  color:var(--brand-deep);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.mega-trigger i{font-style:normal;font-size:12px;transition:transform .2s ease;}
.mega-trigger:hover{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(23,163,152,.28);}
.mega-trigger:active{transform:translateY(1px);}
.mega-wrap.is-open .mega-trigger{background:var(--brand);color:#fff;border-color:var(--brand);}
.mega-wrap.is-open .mega-trigger i{transform:rotate(180deg);}

.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:760px;
  max-width:calc(100vw - 40px);
  background:#fff;
  border:1px solid var(--line);
  border-top:2px solid var(--brand);
  border-radius:12px;
  padding:22px;
  display:grid;
  grid-template-columns:1fr 1fr 1.1fr;
  gap:22px;
  box-shadow:0 1px 2px rgba(15,31,30,.04),0 6px 14px rgba(15,31,30,.06),0 18px 40px rgba(15,31,30,.12);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:700;
  margin-bottom:12px;
}
.mega-col ul li{margin-bottom:10px;}
.mega-col ul li:last-child{margin-bottom:0;}
.mega-col a{
  display:block;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.mega-col a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.mega-col a span{
  display:block;
  font-size:12.5px;
  font-weight:400;
  color:var(--muted);
  margin-top:2px;
}
.mega-news li{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
  border-bottom:1px dashed var(--line);
  padding-bottom:9px;
}
.mega-news li:last-child{border-bottom:0;padding-bottom:0;}
.mega-news a{font-weight:500;font-size:13.5px;flex:1;}
.mega-news time{font-size:12px;color:var(--muted);white-space:nowrap;}
.mega-card{
  background:linear-gradient(180deg,rgba(23,163,152,.07),rgba(108,76,241,.05));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
}
.mega-card img{width:100%;height:96px;object-fit:cover;border-radius:9px;margin-bottom:12px;}
.mega-card p{font-size:13px;color:var(--muted);margin-bottom:12px;line-height:1.6;}
.mega-card .btn{width:100%;justify-content:center;padding:9px 12px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:12px;
  width:20px;
  height:2px;
  background:var(--brand-deep);
  border-radius:2px;
  content:"";
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.88);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb span{color:#fff;font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--ink) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(15,31,30,.94) 0%,rgba(11,93,87,.88) 52%,rgba(15,31,30,.74) 100%);
}
.hero::after{
  content:"9";
  position:absolute;
  right:-24px;
  bottom:-90px;
  font-size:280px;
  font-weight:800;
  line-height:1;
  color:rgba(56,224,200,.05);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:52px;
  align-items:center;
  padding:64px 0 72px;
}
.hero-copy h1{
  font-size:clamp(32px,4.4vw,54px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  color:#fff;
  margin-bottom:14px;
}
.hero-lead{
  font-size:18px;
  font-weight:600;
  color:var(--glow);
  margin-bottom:16px;
}
.hero-desc{
  font-size:15.5px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges .badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  color:#CFF6F0;
  background:rgba(23,163,152,.18);
  border:1px solid rgba(56,224,200,.32);
}
.hero-side{position:relative;}
.hero-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:visible;
  box-shadow:0 18px 44px rgba(3,20,19,.32);
  position:relative;
}
.hero-card > img{
  width:100%;
  height:230px;
  object-fit:cover;
  border-radius:var(--radius-l) var(--radius-l) 0 0;
}
.hero-card-body{padding:20px 22px 24px;}
.hero-card-body h3{font-size:19px;font-weight:700;margin:10px 0 8px;}
.hero-card-body p{font-size:14px;color:var(--muted);line-height:1.75;}
.hero-float{
  position:absolute;
  left:-18px;
  bottom:-22px;
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--warm);
  border-radius:var(--radius);
  padding:12px 18px;
  display:flex;
  align-items:baseline;
  gap:8px;
  box-shadow:var(--shadow-md);
}
.hero-float strong{font-size:28px;font-weight:800;color:var(--ink);line-height:1;}
.hero-float span{font-size:12.5px;color:var(--muted);}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section.is-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  font-weight:700;
  color:var(--brand-deep);
  background:rgba(23,163,152,.10);
  border-radius:999px;
  padding:5px 13px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-sub{font-size:15.5px;color:var(--muted);line-height:1.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(23,163,152,.28);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,93,87,.30);}
.btn-primary:active{transform:translateY(0);}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 6px 18px rgba(255,122,61,.30);}
.btn-warm:hover{background:var(--warm-deep);color:#fff;transform:translateY(-1px);}
.btn-warm:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.48);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-ghost-dark{background:transparent;color:var(--brand-deep);border-color:rgba(23,163,152,.42);}
.btn-ghost-dark:hover{background:rgba(23,163,152,.10);color:var(--brand-deep);border-color:var(--brand);}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;}

.link-cta{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand-deep);
}
.link-cta span{transition:transform .2s ease;}
.link-cta:hover{color:var(--warm);text-decoration:underline;text-underline-offset:3px;}
.link-cta:hover span{transform:translateX(4px);}

/* ---------- 功能卡（Foundation XY Grid 骨架） ---------- */
.feature-grid{padding:0;}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  height:100%;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(23,163,152,.34);
}
.feature-card-lg{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:linear-gradient(160deg,#ffffff 0%,rgba(23,163,152,.06) 100%);
  padding:0;
  overflow:hidden;
}
.feature-card-lg img{
  width:100%;
  height:250px;
  object-fit:cover;
}
.feature-card-lg .feature-body{padding:24px 26px 28px;}
.feature-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.mini-stack{display:grid;gap:24px;height:100%;}
.mini-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
  box-shadow:var(--shadow);
  display:flex;
  gap:16px;
  align-items:flex-start;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(23,163,152,.34);}
.mini-ico{
  width:44px;
  height:44px;
  flex:0 0 auto;
  border-radius:12px;
  background:rgba(108,76,241,.10);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:16px;
}
.mini-card h3{font-size:17px;margin-bottom:6px;font-weight:600;}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.75;}

.chip{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  font-weight:700;
  color:var(--brand-deep);
  background:rgba(23,163,152,.12);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:12px;
}
.chip.is-violet{color:#4B32C4;background:rgba(108,76,241,.12);}
.chip.is-warm{color:#B8440F;background:rgba(255,122,61,.14);}

/* ---------- 交替图文条 ---------- */
.zigzag{display:block;}
.zigzag-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px dashed var(--line);
}
.zigzag-item:first-child{padding-top:8px;}
.zigzag-item:last-child{border-bottom:0;padding-bottom:8px;}
.zigzag-item.is-reverse .zigzag-media{order:2;}
.zigzag-media{position:relative;}
.zigzag-media img{
  width:100%;
  height:296px;
  object-fit:cover;
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-md);
}
.zigzag-media::after{
  content:"";
  position:absolute;
  left:-10px;
  top:auto;
  bottom:-10px;
  width:110px;
  height:110px;
  border-left:2px solid rgba(23,163,152,.35);
  border-bottom:2px solid rgba(23,163,152,.35);
  border-radius:0 0 0 18px;
  pointer-events:none;
}
.zigzag-body h3{
  font-size:22px;
  font-weight:700;
  margin-bottom:12px;
  position:relative;
  padding-left:14px;
}
.zigzag-body h3::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  bottom:5px;
  width:3px;
  border-radius:2px;
  background:var(--brand);
}
.zigzag-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:14px;}
.dot-list{margin-bottom:16px;}
.dot-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:#3B4B4A;
  line-height:1.85;
  margin-bottom:6px;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.78em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--glow);
  border:1px solid var(--brand);
}
.zigzag-foot{display:flex;justify-content:flex-end;}

/* ---------- 场景标签 ---------- */
.tag-wall{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:6px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  color:#33403F;
  transition:border-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.tag:hover{
  border-color:rgba(23,163,152,.45);
  color:var(--brand-deep);
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}

/* ---------- 流程步骤 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:10px;
}
.flow-item{
  position:relative;
  padding:0 22px 0 0;
}
.flow-num{
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  font-weight:800;
  font-size:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
  position:relative;
  z-index:2;
  box-shadow:0 4px 12px rgba(23,163,152,.32);
}
.flow-item:last-child .flow-num{background:var(--accent);box-shadow:0 4px 12px rgba(108,76,241,.30);}
.flow-item::before{
  content:"";
  position:absolute;
  left:38px;
  right:-2px;
  top:18px;
  height:2px;
  background:var(--line);
  z-index:1;
}
.flow-item:last-child::before{display:none;}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.8;padding-right:8px;}

/* ---------- 数据区 ---------- */
.stats-band{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.stats-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.stats-band::after{
  content:"09";
  position:absolute;
  right:-16px;
  bottom:-56px;
  font-size:220px;
  font-weight:800;
  line-height:1;
  color:rgba(56,224,200,.06);
  pointer-events:none;
}
.stats-inner{position:relative;z-index:2;}
.stats-head{max-width:720px;margin-bottom:40px;}
.stats-head h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:12px;}
.stats-head p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;}
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:6px 26px;
  border-left:1px solid rgba(255,255,255,.16);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:clamp(34px,4vw,46px);
  font-weight:800;
  line-height:1.05;
  color:var(--glow);
  letter-spacing:-.02em;
}
.stat-unit{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin-left:6px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.70);margin-top:10px;line-height:1.7;}
.stats-note{
  margin-top:34px;
  font-size:14px;
  color:rgba(255,255,255,.66);
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:20px;
}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(23,163,152,.34);}
.faq-item.is-open{
  border-color:rgba(23,163,152,.5);
  box-shadow:var(--shadow-md);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 24px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-ico{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:rgba(23,163,152,.12);
  color:var(--brand-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:700;
  line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.is-open .faq-ico{background:var(--brand);color:#fff;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{
  padding:0 24px 22px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.9;
}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(23,163,152,.14) 0 2px,transparent 2px 22px);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  padding:64px 0;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.85;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0C1A19;
  color:rgba(255,255,255,.78);
  padding:66px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:38px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(56,224,200,.12);color:var(--glow);}
.footer-brand strong{display:block;font-size:18px;font-weight:800;color:#fff;line-height:1.2;}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.55);margin-top:2px;}
.site-footer .footer-grid > div > p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,
.footer-links span{
  font-size:14px;
  color:rgba(255,255,255,.70);
  line-height:1.6;
}
.footer-links a:hover{
  color:var(--glow);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 30px;
  font-size:13px;
  color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-wrap{height:66px;}
  .nav-toggle{display:block;margin-left:auto;order:3;}
  .mega-wrap{order:2;margin-left:12px;}
  .main-nav{
    position:absolute;
    left:0;
    right:0;
    top:66px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    padding:10px 16px 18px;
    display:none;
    margin:0;
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px;}
  .main-nav a{padding:12px 14px;font-size:15.5px;}
  .mega-panel{
    position:fixed;
    left:16px;
    right:16px;
    top:80px;
    width:auto;
    max-width:none;
    max-height:72vh;
    overflow-y:auto;
    grid-template-columns:1fr;
    gap:20px;
  }
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:48px 0 64px;}
  .hero-desc{max-width:none;}
  .section{padding:72px 0;}
  .zigzag-item{grid-template-columns:1fr;gap:26px;padding:34px 0;}
  .zigzag-item.is-reverse .zigzag-media{order:0;}
  .zigzag-media img{height:250px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .flow-item:nth-child(2)::before{display:none;}
  .flow-item{padding-right:26px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:30px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .nav-wrap{padding:0 20px;}
  .brand-text strong{font-size:17px;}
  .brand-text em{font-size:10px;letter-spacing:.14em;}
  .section{padding:56px 0;}
  .section.is-tight{padding:46px 0;}
  .section-head{margin-bottom:32px;}
  .hero-inner{padding:40px 0 54px;}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .hero-card > img{height:196px;}
  .hero-float{left:12px;bottom:-18px;}
  .feature-card{padding:22px;}
  .feature-card-lg img{height:200px;}
  .feature-card-lg .feature-body{padding:20px 22px 24px;}
  .zigzag-media img{height:215px;}
  .zigzag-body h3{font-size:19.5px;}
  .zigzag-foot{justify-content:flex-start;}
  .flow{grid-template-columns:1fr;gap:26px;}
  .flow-item::before{display:none;}
  .flow-item{padding-right:0;}
  .stats{grid-template-columns:1fr;gap:26px;}
  .stat{border-left:0;padding:0 0 0 16px;border-left:3px solid rgba(56,224,200,.35);}
  .stat:first-child,.stat:nth-child(3){padding-left:16px;border-left:3px solid rgba(56,224,200,.35);}
  .faq-q{font-size:15px;padding:17px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:479px){
  .brand-text em{display:none;}
  .mega-trigger{padding:9px 13px;font-size:14px;}
  .hero-copy h1{font-size:30px;}
  .hero-badges .badge{font-size:11px;height:24px;}
  .zigzag-media img{height:186px;}
  .tag{height:34px;padding:0 14px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --primary:#17A398;
  --primary-dark:#0B5D57;
  --purple:#6C4CF1;
  --orange:#FF7A3D;
  --orange-dark:#E45F22;
  --ink:#0F1F1E;
  --bg:#F5F7F6;
  --card:#FFFFFF;
  --line:#DCE4E2;
  --muted:#667877;
  --glow:#38E0C8;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 8px rgba(15,31,30,.06);
  --shadow-md:0 10px 28px rgba(15,31,30,.10);
  --shadow-lg:0 20px 48px rgba(15,31,30,.16);
  --font: "PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::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:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;transition:color .22s ease, text-decoration-color .22s ease;}
a:hover{color:var(--orange);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);line-height:1.28;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);}
input,textarea,select{font-family:var(--font);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-tint{background:#EDF3F1;}
.section-ink{background:var(--ink);color:#E8F3F1;position:relative;overflow:hidden;}
.section-ink h2,.section-ink h3{color:#FFFFFF;}
.section-ink .section-desc{color:#A9C4C1;}

.section-head{margin-bottom:44px;max-width:780px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;font-weight:700;
  color:var(--primary-dark);text-transform:uppercase;
  background:rgba(23,163,152,.10);
  border:1px solid rgba(23,163,152,.22);
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
}
.section-ink .section-kicker{color:var(--glow);background:rgba(56,224,200,.10);border-color:rgba(56,224,200,.28);}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.01em;}
.section-desc{color:var(--muted);font-size:15px;margin-top:14px;line-height:1.85;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:26px;height:74px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;}
.brand:hover{color:var(--primary-dark);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);
  background:linear-gradient(140deg,rgba(23,163,152,.14),rgba(56,224,200,.10));
  border:1px solid rgba(23,163,152,.28);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--primary-dark);font-weight:600;}
.main-nav{flex:1;min-width:0;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:15px;font-weight:600;color:#26433F;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(23,163,152,.10);color:var(--primary-dark);}
.main-nav a.is-active{background:var(--primary-dark);color:#fff;}
.main-nav a.is-active:hover{background:var(--primary-dark);color:#fff;}

.mega-wrap{position:relative;margin-left:auto;flex-shrink:0;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--orange);color:#fff;border:0;cursor:pointer;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  padding:11px 18px;border-radius:10px;
  box-shadow:0 6px 16px rgba(255,122,61,.28);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.mega-trigger:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,61,.34);}
.mega-trigger:active{transform:translateY(0);}
.mega-trigger i{font-style:normal;font-size:11px;opacity:.9;}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;
  background:var(--card);
  border:1px solid var(--line);
  border-top:2px solid var(--primary);
  border-radius:var(--radius-md);
  box-shadow:0 4px 10px rgba(15,31,30,.06),0 14px 32px rgba(15,31,30,.12),0 30px 60px rgba(15,31,30,.10);
  padding:24px;
  display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap:hover .mega-panel,
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-panel h4{
  font-size:12px;letter-spacing:.12em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;font-weight:700;
}
.mega-col ul li + li{margin-top:10px;}
.mega-col ul li a{
  display:block;font-size:14px;font-weight:600;color:var(--ink);
  padding:8px 10px;border-radius:9px;transition:background .2s ease,color .2s ease;
}
.mega-col ul li a:hover{background:rgba(23,163,152,.09);color:var(--primary-dark);}
.mega-col ul li a span{
  display:block;font-weight:400;font-size:12px;color:var(--muted);
  margin-top:2px;letter-spacing:0;
}
.mega-news li{
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.mega-news li:last-child{border-bottom:0;}
.mega-news li a{font-size:13.5px;font-weight:600;display:block;color:var(--ink);}
.mega-news li time{display:block;font-size:12px;color:var(--muted);margin-top:3px;}
.mega-card{
  background:linear-gradient(150deg,rgba(23,163,152,.10),rgba(108,76,241,.08));
  border:1px solid rgba(23,163,152,.20);
  border-radius:var(--radius-md);
  padding:16px;
}
.mega-card img{border-radius:10px;margin-bottom:12px;aspect-ratio:16/10;object-fit:cover;width:100%;}
.mega-card strong{display:block;font-size:14px;margin-bottom:12px;color:var(--ink);}
.mega-card .mega-btn{
  display:inline-block;background:var(--primary-dark);color:#fff;
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:9px;
  transition:background .2s ease,transform .2s ease;
}
.mega-card .mega-btn:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}

.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:10px;
  background:#fff;border:1px solid var(--line);cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;}
.nav-toggle span::after{content:"";top:6px;}

/* ============ PAGE HERO ============ */
.page-hero{
  position:relative;
  color:#EAF6F4;
  padding:56px 0 68px;
  background-image:linear-gradient(105deg,rgba(11,32,31,.92) 0%,rgba(11,32,31,.80) 48%,rgba(11,93,87,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
  overflow:hidden;
}
.page-hero::after{
  content:"09";
  position:absolute;right:-10px;bottom:-58px;
  font-size:220px;font-weight:800;line-height:1;
  color:rgba(56,224,200,.07);letter-spacing:-.04em;
  pointer-events:none;user-select:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#9FC6C1;margin-bottom:22px;position:relative;z-index:2;
}
.breadcrumb a{color:#CDE8E4;font-weight:600;}
.breadcrumb a:hover{color:var(--glow);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span.sep{opacity:.55;}
.breadcrumb span.now{color:#FFFFFF;font-weight:700;}
.page-hero-inner{position:relative;z-index:2;max-width:800px;}
.page-title{
  font-size:clamp(32px,4.4vw,50px);font-weight:800;line-height:1.15;
  letter-spacing:-.02em;color:#fff;
}
.page-title-sub{
  display:block;font-size:clamp(15px,1.6vw,19px);font-weight:600;
  color:var(--glow);margin-top:14px;letter-spacing:.01em;line-height:1.6;
}
.page-lead{
  margin-top:20px;font-size:16px;color:#C5E0DC;max-width:660px;line-height:1.9;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.hero-tags span{
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:6px 13px;border-radius:999px;
  background:rgba(56,224,200,.12);
  border:1px solid rgba(56,224,200,.34);
  color:#BFF4EB;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  padding:14px 26px;border-radius:11px;border:1px solid transparent;
  cursor:pointer;transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,61,.30);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,61,.36);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,61,.28);}
.btn-solid{background:var(--primary-dark);color:#fff;}
.btn-solid:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#EAF6F4;border-color:rgba(234,246,244,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--primary-dark);border-color:var(--line);}
.btn-outline:hover{background:#fff;color:var(--primary-dark);border-color:rgba(23,163,152,.5);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ ANCHOR BAR ============ */
.anchor-bar{
  background:var(--card);border-bottom:1px solid var(--line);
  position:sticky;top:74px;z-index:60;
}
.anchor-inner{
  display:flex;align-items:center;gap:8px;overflow-x:auto;
  padding:14px 0;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;font-size:14px;font-weight:600;color:#2C4744;
  padding:8px 15px;border-radius:999px;border:1px solid var(--line);
  background:#FBFDFC;transition:all .2s ease;white-space:nowrap;
}
.anchor-inner a:hover{background:rgba(23,163,152,.10);border-color:rgba(23,163,152,.40);color:var(--primary-dark);}

/* ============ CARDS ============ */
.card-grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.entry-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(23,163,152,.35);}
.card-media{position:relative;aspect-ratio:16/10;background:#E6EDEB;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.entry-card:hover .card-media img{transform:scale(1.04);}
.card-media .media-badge{
  position:absolute;left:14px;top:14px;
  background:rgba(15,31,30,.78);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;
}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em;}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;height:24px;display:inline-flex;align-items:center;
  background:rgba(23,163,152,.10);color:var(--primary-dark);
  border:1px solid rgba(23,163,152,.20);
}
.tag-purple{background:rgba(108,76,241,.10);color:#5238C9;border-color:rgba(108,76,241,.22);}
.tag-orange{background:rgba(255,122,61,.12);color:#C7520F;border-color:rgba(255,122,61,.26);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary-dark);
}
.text-link:hover{color:var(--orange);text-decoration:underline;text-underline-offset:3px;}
.text-link i{font-style:normal;transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ============ CHECK LIST ============ */
.check-list{border-top:1px solid var(--line);}
.check-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.check-item:hover{background:rgba(23,163,152,.045);padding-left:12px;}
.check-num{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:.02em;
  color:var(--primary-dark);background:rgba(23,163,152,.10);
  border:1px solid rgba(23,163,152,.26);
}
.check-body h3{font-size:18px;margin-bottom:6px;}
.check-body p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8;}
.check-meta{font-size:13px;font-weight:700;color:var(--purple);letter-spacing:.06em;white-space:nowrap;}

/* ============ STATS ============ */
.section-ink .grid-lines{position:absolute;inset:0;opacity:.04;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:48px 48px;}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:2;}
.stat-item{padding:8px 26px;border-left:1px solid rgba(255,255,255,.14);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:clamp(34px,4vw,46px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1;}
.stat-num small{font-size:14px;font-weight:600;color:var(--glow);margin-left:6px;letter-spacing:.04em;}
.stat-item p{margin:10px 0 0;font-size:14px;color:#9FBDB9;line-height:1.7;}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:12px;}
.step{position:relative;padding:0 22px 0 0;}
.step-dot{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-weight:800;font-size:15px;
  position:relative;z-index:2;margin-bottom:20px;
}
.step:nth-child(4) .step-dot{background:var(--purple);}
.step::after{
  content:"";position:absolute;left:38px;top:19px;right:8px;height:2px;
  background:var(--line);
}
.step:last-child::after{display:none;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}

/* ============ SPLIT FEATURE ============ */
.split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;
}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split-body h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:16px;}
.split-body p{color:var(--muted);font-size:15px;line-height:1.9;}
.mini-list{margin-top:22px;display:grid;gap:12px;}
.mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#31504C;}
.mini-list li b{color:var(--primary-dark);font-weight:800;}
.mini-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:var(--glow);box-shadow:0 0 0 3px rgba(56,224,200,.18);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item.is-active{border-color:rgba(23,163,152,.45);box-shadow:var(--shadow-sm);}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:var(--ink);
  padding:20px 24px;border:0;background:transparent;
  transition:color .2s ease,background .2s ease;
}
.accordion-title:hover{color:var(--primary-dark);background:rgba(23,163,152,.05);}
.accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  order:2;font-size:12px;color:var(--primary);
  width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(23,163,152,.10);flex:0 0 auto;transition:transform .25s ease;
}
.accordion-item.is-active .accordion-title::before{content:"\f068";transform:rotate(180deg);}
.accordion-content{padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.9;border:0;}
.accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA BAND ============ */
.cta-band{
  background:var(--ink);color:#E8F3F1;position:relative;overflow:hidden;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:repeating-linear-gradient(90deg,rgba(56,224,200,.9) 0 1px,transparent 1px 26px);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;gap:36px;flex-wrap:wrap;
}
.cta-text{flex:1 1 420px;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-text p{margin:0;color:#9FBDB9;font-size:15px;line-height:1.85;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FOOTER ============ */
.site-footer{background:#0B1A19;color:#9FBDB9;padding:72px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--glow);}
.footer-brand span strong{font-size:18px;font-weight:800;color:#fff;display:block;letter-spacing:.02em;}
.footer-brand span em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--glow);font-weight:600;}
.site-footer h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:18px;font-weight:700;}
.site-footer p{color:#8FAEAA;line-height:1.85;font-size:13.8px;max-width:320px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{color:#9FBDB9;font-size:13.8px;transition:color .2s ease;}
.footer-links a:hover{color:var(--glow);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.8px;color:#6F8C89;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .step:nth-child(2)::after{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .mega-panel{width:640px;grid-template-columns:1fr 1fr;}
  .mega-panel .mega-col:nth-child(3){grid-column:1 / -1;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .main-nav.is-open{
    display:block;position:absolute;left:0;right:0;top:74px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);padding:14px 20px 20px;
  }
  .main-nav.is-open ul{flex-direction:column;align-items:stretch;gap:2px;}
  .main-nav.is-open a{display:block;padding:12px 14px;font-size:15px;}
  .nav-toggle{display:block;}
  .mega-wrap{order:3;}
  .mega-panel{
    position:fixed;left:16px;right:16px;top:86px;width:auto;max-height:74vh;overflow-y:auto;
    grid-template-columns:1fr;gap:18px;
  }
  .mega-panel .mega-col:nth-child(3){grid-column:auto;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .nav-wrap{padding:0 20px;height:66px;gap:14px;}
  .brand-text strong{font-size:17px;}
  .main-nav.is-open{top:66px;}
  .anchor-bar{position:static;}
  .anchor-inner{padding:12px 0;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .page-hero{padding:36px 0 46px;}
  .page-hero::after{font-size:150px;bottom:-40px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-strip{grid-template-columns:1fr;gap:26px;}
  .stat-item{border-left:0;padding:0;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step{padding-right:0;}
  .step::after{display:none;}
  .check-item{grid-template-columns:52px 1fr;gap:16px;}
  .check-meta{grid-column:2;justify-self:start;}
  .check-num{width:44px;height:44px;border-radius:12px;font-size:15px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .accordion-title{padding:16px 18px;font-size:15px;}
  .accordion-content{padding:0 18px 18px;}
  .card-body{padding:20px;}
}
@media (max-width:479px){
  .section{padding:44px 0;}
  .page-title{font-size:29px;}
  .card-title{font-size:17.5px;}
  .brand-mark{width:34px;height:34px;}
}

/* roulang page: category4 */
:root{
  --brand:#17A398;
  --brand-deep:#0B5D57;
  --violet:#6C4CF1;
  --orange:#FF7A3D;
  --orange-deep:#E4632A;
  --ink:#0F1F1E;
  --page:#F5F7F6;
  --card:#FFFFFF;
  --line:#DCE4E2;
  --muted:#667877;
  --glow:#38E0C8;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-s:0 2px 8px rgba(15,31,30,.06);
  --shadow-m:0 10px 28px rgba(15,31,30,.10);
  --shadow-l:0 18px 44px rgba(15,31,30,.16);
  --pad-s:16px;
  --pad-m:24px;
  --pad-l:32px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  background:var(--page);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease,box-shadow .22s ease}
a:hover{color:var(--orange)}
p{margin:0 0 18px}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:767px){.container{padding:0 20px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(15,31,30,.04);
}
.nav-wrap{
  width:100%;max-width:1200px;margin:0 auto;
  padding:0 24px;
  min-height:72px;
  display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#17A398 0%,#0B5D57 100%);
  color:#fff;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.14em}
.main-nav{flex:1 1 auto}
.main-nav ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;
  font-size:15px;color:#2c3f3d;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:#E9F5F3;color:var(--brand-deep)}
.main-nav a.is-active{background:#E4F4F1;color:var(--brand-deep);font-weight:700}
.mega-wrap{position:relative;flex:0 0 auto}
.mega-trigger{
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:6px;
  transition:all .22s ease;
}
.mega-trigger i{font-style:normal;color:var(--brand);transition:transform .22s ease}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--shadow-s)}
.mega-trigger[aria-expanded="true"]{border-color:var(--brand);color:var(--brand-deep);background:#EAF7F5}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:min(760px,92vw);
  background:#fff;border:1px solid var(--line);border-top:2px solid var(--brand);
  border-radius:var(--radius-m);
  box-shadow:0 12px 24px rgba(15,31,30,.10),0 24px 52px rgba(15,31,30,.14);
  padding:26px;
  display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;letter-spacing:.1em;color:var(--muted);margin-bottom:12px;font-weight:700}
.mega-col ul li{margin-bottom:10px}
.mega-col ul li a{display:flex;flex-direction:column;font-size:14px;color:var(--ink);font-weight:600;padding:6px 8px;border-radius:8px}
.mega-col ul li a span{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0}
.mega-col ul li a:hover{background:#F1F9F8;color:var(--brand-deep)}
.mega-news li{display:flex;flex-direction:column;gap:2px;margin-bottom:12px}
.mega-news li a{font-size:13.5px;font-weight:500;padding:0;color:#2c3f3d}
.mega-news li a:hover{color:var(--orange);background:none}
.mega-news time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.mega-card{
  background:#F3F8F7;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:16px;display:flex;flex-direction:column;gap:10px;
}
.mega-card img{border-radius:10px;aspect-ratio:16/10;object-fit:cover;width:100%}
.mega-card p{font-size:13px;color:#31514e;margin:0;font-weight:600}
.btn-mini{
  display:inline-block;text-align:center;background:var(--orange);color:#fff;
  border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700;
  transition:all .2s ease;
}
.btn-mini:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:12px;width:20px;height:2px;background:var(--ink);border-radius:2px;content:"";
  transition:transform .2s ease;
}
.nav-toggle span{top:19px}
.nav-toggle span::before{top:-6px;left:0}
.nav-toggle span::after{top:6px;left:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:all .22s ease;text-align:center;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,61,.28)}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:#BFD9D4}
.btn-outline:hover{background:#EAF7F5;color:var(--brand-deep);border-color:var(--brand)}
.btn-solid{background:var(--brand);color:#fff}
.btn-solid:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:78px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(13,44,42,.92) 0%,rgba(13,44,42,.78) 52%,rgba(13,44,42,.58) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:340px;height:340px;
  border:1px solid rgba(56,224,200,.22);border-radius:50%;
  box-shadow:0 0 0 40px rgba(56,224,200,.05),0 0 0 90px rgba(56,224,200,.03);
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--glow)}
.crumbs span.sep{opacity:.5}
.page-hero h1{
  color:#fff;font-size:clamp(32px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:760px;margin-bottom:16px;
}
.page-hero .lead{
  color:rgba(255,255,255,.88);font-size:17px;max-width:600px;margin-bottom:26px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags .chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#E8FBF8;
}
.hero-tags .chip b{color:var(--glow);font-weight:700}

/* ============ 锚点条 ============ */
.anchor-bar{
  margin-top:-32px;position:relative;z-index:5;
}
.anchor-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-m);padding:16px 22px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
}
.anchor-inner strong{font-size:13px;color:var(--muted);letter-spacing:.08em;font-weight:700}
.anchor-inner a{
  font-size:14px;font-weight:600;color:#2c3f3d;padding:6px 12px;border-radius:999px;
  background:#F2F7F6;transition:all .2s ease;
}
.anchor-inner a:hover{background:#E4F4F1;color:var(--brand-deep);transform:translateY(-1px)}

/* ============ 板块通用 ============ */
section.block{padding:var(--section-y) 0}
.block-head{margin-bottom:42px;max-width:760px}
.block-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--brand-deep);
  background:#E4F4F1;border-radius:999px;padding:5px 14px;margin-bottom:14px;font-weight:700;
}
.block-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;margin-bottom:12px}
.block-head p{color:var(--muted);font-size:15.5px;margin:0}
.block-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.more-link{font-size:14px;font-weight:700;color:var(--brand-deep);border-bottom:1px solid transparent}
.more-link:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* ============ 速查卡 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;gap:10px;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(23,163,152,.4)}
.quick-card .q-num{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:#E4F4F1;color:var(--brand-deep);font-weight:800;font-size:14px;
}
.quick-card h3{font-size:17px;font-weight:700}
.quick-card p{font-size:13.5px;color:var(--muted);margin:0}
.quick-card .q-link{font-size:13px;font-weight:700;color:var(--brand-deep);margin-top:auto}
.quick-card .q-link:hover{color:var(--orange)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;align-items:start}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.is-open{border-color:rgba(23,163,152,.5);box-shadow:var(--shadow-m)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  padding:20px 22px;display:flex;align-items:flex-start;gap:14px;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;
}
.faq-q .mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:7px;
  background:#E4F4F1;color:var(--brand-deep);font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.faq-q .arrow{margin-left:auto;flex:0 0 auto;color:var(--brand);font-size:14px;transition:transform .24s ease}
.faq-item.is-open .arrow{transform:rotate(180deg)}
.faq-a{padding:0 22px 20px 60px;font-size:14.5px;color:#3d4f4d;display:none}
.faq-item.is-open .faq-a{display:block}
.faq-a p{margin:0 0 10px}
.faq-a ul li{position:relative;padding-left:16px;margin-bottom:8px;font-size:14.5px}
.faq-a ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.faq-a .hint{
  display:inline-block;font-size:12.5px;color:#8a5a2b;background:#FFF3EA;
  border-radius:8px;padding:6px 12px;margin-top:4px;
}

/* ============ 清单 / 参数列表 ============ */
.spec-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);padding:12px 28px;
}
.spec-title{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  padding:22px 0 16px;border-bottom:1px solid var(--line);
}
.spec-title h3{font-size:19px;font-weight:700}
.spec-title span{font-size:13px;color:var(--muted)}
.spec-list li{
  display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;
  padding:20px 0;border-bottom:1px dashed var(--line);
}
.spec-list li:last-child{border-bottom:0}
.spec-list .idx{
  font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;
  display:flex;align-items:center;gap:8px;
}
.spec-list .idx::after{content:"";flex:1;height:1px;background:var(--line)}
.spec-list h4{font-size:16px;font-weight:700;margin-bottom:4px}
.spec-list p{font-size:14px;color:var(--muted);margin:0}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;
  background:#E9F5F3;color:var(--brand-deep);font-weight:700;white-space:nowrap;
}
.tag.violet{background:#EEEAFE;color:#4a34c4}
.tag.orange{background:#FFF1E8;color:#B4511F}

/* ============ 处理路径 ============ */
.path-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.path-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(56,224,200,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(56,224,200,.05) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.9;
}
.path-band .container{position:relative;z-index:2}
.path-band .block-head h2,.path-band .block-head p{color:#fff}
.path-band .block-head p{color:rgba(255,255,255,.72)}
.path-band .eyebrow{background:rgba(23,163,152,.24);color:#9BF0E4}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-m);padding:24px 22px;
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(56,224,200,.6);background:rgba(23,163,152,.12)}
.step .dot{
  width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:16px;
}
.step:nth-child(4) .dot{background:var(--violet)}
.step h3{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px}
.step p{color:rgba(255,255,255,.72);font-size:14px;margin:0}

/* ============ 图文条 ============ */
.article-strip{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.strip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(23,163,152,.4)}
.strip-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.strip-body{padding:22px 24px 24px}
.strip-body h3{font-size:18px;font-weight:700;margin-bottom:10px}
.strip-body p{font-size:14.5px;color:var(--muted);margin:0 0 14px}
.strip-link{font-size:14px;font-weight:700;color:var(--brand-deep)}
.strip-link:hover{color:var(--orange)}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;gap:12px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(23,163,152,.4)}
.rel-card h3{font-size:17px;font-weight:700}
.rel-card p{font-size:14px;color:var(--muted);margin:0}
.rel-card .rel-foot{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--brand-deep)}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--ink);position:relative;overflow:hidden;
  border-top:3px solid var(--brand);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,163,152,.28) 0%,transparent 68%);
}
.cta-inner{
  position:relative;z-index:2;padding:60px 0;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.74);margin:0;font-size:15px;max-width:620px}

/* ============ 表单 ============ */
.form-section{padding:var(--section-y) 0}
.form-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);padding:30px;
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.form-card > p{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:#33474५}
.field label{color:#334745}
.field input,.field textarea{
  width:100%;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:#FBFDFC;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input{height:48px}
.field textarea{min-height:120px;padding:12px 14px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(23,163,152,.14);
}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 20px}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand)}
.entry-card{
  background:#F3F8F7;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:22px;box-shadow:var(--shadow-s);
}
.entry-card img{border-radius:var(--radius-m);aspect-ratio:16/10;object-fit:cover;margin-bottom:16px}
.entry-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
.entry-card p{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.entry-card .btn{width:100%}

/* ============ 页脚 ============ */
.site-footer{background:#0C1918;color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(140deg,#17A398,#0B5D57);color:#fff;display:flex;align-items:center;justify-content:center}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.2}
.footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.5)}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.site-footer p{font-size:13.5px;line-height:1.9;margin:0}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:13.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--glow);box-shadow:0 1px 0 var(--glow)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--section-y:72px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .mega-panel{grid-template-columns:1fr 1fr}
  .article-strip{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav-toggle{display:block;margin-left:auto}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-m);padding:10px 20px 18px;
    display:none;
  }
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:12px 14px;border-radius:10px}
  .nav-wrap{position:relative;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
  .mega-wrap{width:100%;margin-top:10px}
  .mega-trigger{width:100%;justify-content:space-between}
  .mega-panel{position:static;width:100%;transform:none;box-shadow:none;margin-top:10px}
}
@media (max-width:767px){
  :root{--section-y:56px}
  .page-hero{padding:56px 0 52px}
  .anchor-bar{margin-top:-24px}
  .anchor-inner{padding:14px 16px}
  .quick-grid{grid-template-columns:1fr}
  .spec-wrap{padding:8px 18px}
  .spec-list li{grid-template-columns:1fr;gap:8px}
  .spec-list .idx::after{display:none}
  .steps{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{padding:48px 0}
  .cta-inner .btn{width:100%}
  .form-card{padding:22px}
  .faq-a{padding-left:22px}
}
@media (max-width:479px){
  .brand-text strong{font-size:17px}
  .hero-tags .chip{font-size:12px}
  .btn{padding:13px 22px;font-size:14.5px}
}