/* roulang page: index */
:root{
  --brand-900:#0B2B25;
  --brand-700:#14453A;
  --brand-500:#17A673;
  --brand-300:#2FD3A0;
  --accent-500:#FF7A3D;
  --accent-300:#FFB24B;
  --lime:#D9F45B;
  --ink-900:#0F1A17;
  --ink-600:#3D4F49;
  --ink-400:#7A8B85;
  --line:#E1E9E4;
  --bg:#F5F8F5;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0B2B25 0%,#17A673 62%,#2FD3A0 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FFB24B 100%);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-2xl:32px;
  --s1:0 2px 8px rgba(15,26,23,.06);
  --s2:0 12px 32px rgba(11,43,37,.10);
  --s3:0 24px 64px rgba(11,43,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",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:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
a:hover{color:var(--brand-500)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
::selection{background:var(--lime);color:var(--brand-900)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--light{background:var(--bg)}
.section--white{background:#fff}
.section--dark{background:var(--brand-900);color:#fff}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:34px;line-height:1.25;font-weight:700;color:var(--ink-900);
  letter-spacing:-.01em;margin-bottom:14px;
}
.section-head p{font-size:16.5px;color:var(--ink-600);max-width:640px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(23,166,115,.35);
  background:rgba(23,166,115,.08);
  color:var(--brand-700);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-500)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 6px 18px rgba(255,122,61,.22)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.03);box-shadow:0 10px 24px rgba(255,122,61,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-500);color:var(--brand-700);background:#fff}
.btn-outline:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(23,166,115,.4);color:var(--brand-700);background:rgba(23,166,115,.06);padding:11px 22px;font-size:15px}
.btn-ghost:hover{background:var(--brand-500);color:#fff;border-color:var(--brand-500)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-700);border-bottom:2px solid transparent;padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--brand-500);color:var(--brand-500)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-600);
  font-variant-numeric:tabular-nums;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.badge:hover{border-color:var(--accent-300);box-shadow:var(--s1)}
.badge strong{font-size:18px;font-weight:800;color:var(--ink-900);line-height:1}
.badge svg{color:var(--brand-500);flex:0 0 auto}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:rgba(23,166,115,.1);color:var(--brand-700);
}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--s1);border-bottom-color:var(--line)}
.header-main{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 6px 16px rgba(23,166,115,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.01em}
.logo-text span{font-size:12.5px;font-weight:600;color:var(--ink-400);letter-spacing:.02em}
.nav-search{
  flex:1 1 auto;max-width:520px;height:48px;
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:0 6px 0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search:focus-within{
  background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,166,115,.18);
}
.nav-search .search-icon{color:var(--ink-400);flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  font-size:15px;color:var(--ink-900);padding:0;
  outline:none;box-shadow:none;margin:0;
}
.nav-search input::placeholder{color:var(--ink-400)}
.nav-search .search-btn{
  flex:0 0 auto;height:36px;padding:0 20px;border-radius:999px;
  background:var(--brand-700);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s var(--ease);
}
.nav-search .search-btn:hover{background:var(--brand-500)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  align-items:center;justify-content:center;
}
.nav-links-row{padding-bottom:10px}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
  padding:7px 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-600);
  border:1px solid transparent;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(23,166,115,.09)}
.nav-links a.active{color:#fff;background:var(--brand-700);border-color:var(--brand-700)}
.mobile-nav{
  display:none;overflow:hidden;
  border-top:1px solid var(--line);
  background:#fff;padding:0 24px;
  max-height:0;transition:max-height .3s var(--ease),padding .3s var(--ease);
}
.mobile-nav.is-open{max-height:420px;padding:16px 24px 24px}
.mobile-nav a{
  display:block;padding:12px 4px;font-size:16px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.active{color:var(--brand-500)}
/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(23,166,115,.12),transparent 62%),
    radial-gradient(700px 380px at 92% 18%,rgba(255,178,75,.14),transparent 60%),
    var(--bg);
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(11,43,37,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.06;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center}
.hero h1{
  font-size:52px;line-height:1.15;font-weight:800;
  color:var(--ink-900);letter-spacing:-.02em;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand-500)}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-600);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.hero-trust{font-size:13.5px;color:var(--ink-400);display:flex;align-items:center;gap:8px}
.hero-trust svg{color:var(--brand-500);flex:0 0 auto}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--s3);min-height:420px;
  background:var(--grad-brand);
}
.hero-figure img{width:100%;height:100%;min-height:420px;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,43,37,.62),rgba(23,166,115,.5));
}
.hero-panel{
  position:absolute;left:24px;right:24px;bottom:24px;z-index:2;
  background:#fff;border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--s2);
}
.hero-panel h3{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:12px}
.panel-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-600);padding:7px 0}
.panel-row + .panel-row{border-top:1px dashed var(--line)}
.panel-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);flex:0 0 auto;box-shadow:0 0 0 4px rgba(23,166,115,.14)}
.panel-row strong{margin-left:auto;font-size:13px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.float-badge{
  position:absolute;z-index:3;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:10px 14px;box-shadow:var(--s2);
}
.float-badge span{font-size:12px;color:var(--ink-400);line-height:1.2;display:block}
.float-badge b{font-size:18px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2}
.float-badge--a{top:-16px;right:-12px}
.float-badge--b{top:44%;left:-20px}
/* ---------- Steps ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 26px;
  box-shadow:var(--s1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:rgba(23,166,115,.35)}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;
  margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:20px;font-weight:600;color:var(--ink-900);margin-bottom:10px}
.step-card p{font-size:15px;line-height:1.75;color:var(--ink-600);margin-bottom:18px;min-height:78px}
.step-card .link-more{font-size:14px}
.steps-line{
  position:absolute;top:52px;left:0;right:0;height:1px;
  border-top:2px dashed rgba(23,166,115,.35);z-index:0;
}
/* ---------- Support / scope ---------- */
.scope-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.scope-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.scope-card:hover{transform:translateY(-4px);box-shadow:var(--s2)}
.scope-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(23,166,115,.1);color:var(--brand-700);margin-bottom:16px;
}
.scope-card h3{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:8px}
.scope-card p{font-size:14.5px;line-height:1.7;color:var(--ink-600)}
/* ---------- Cases ---------- */
.cases-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:24px}
.case-main{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:24px;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.case-main:hover{transform:translateY(-4px);box-shadow:var(--s3)}
.case-main figure{position:relative;aspect-ratio:16/10;overflow:hidden}
.case-main figure img{width:100%;height:100%;object-fit:cover}
.case-main figure .tag{
  position:absolute;left:16px;top:16px;background:rgba(255,255,255,.92);color:var(--brand-700);
}
.case-body{padding:26px 28px 28px}
.case-body h3{font-size:20px;font-weight:600;color:#fff;margin-bottom:10px;line-height:1.45}
.case-body p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.72);margin-bottom:20px}
.case-metrics{display:flex;flex-wrap:wrap;gap:10px}
.case-metrics .badge{
  background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.78);
}
.case-metrics .badge strong{color:#fff}
.case-metrics .badge svg{color:var(--lime)}
.case-side{display:grid;gap:24px;grid-template-rows:1fr 1fr}
.case-small{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:24px;padding:26px;display:flex;flex-direction:column;justify-content:center;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.case-small:hover{transform:translateY(-4px);background:rgba(255,255,255,.12)}
.case-small .scope-icon{background:rgba(217,244,91,.16);color:var(--lime);margin-bottom:14px}
.case-small h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:8px}
.case-small p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);margin-bottom:16px}
.case-small .badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.8);align-self:flex-start}
.case-small .badge strong{color:#fff}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-intro h2{font-size:34px;line-height:1.25;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.faq-intro p{font-size:16px;color:var(--ink-600);margin-bottom:22px;max-width:340px}
.accordion{list-style:none;margin:0;padding:0;border:0;background:transparent}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion-item:hover{border-color:rgba(23,166,115,.4)}
.accordion-item.is-active{border-color:rgba(23,166,115,.5);box-shadow:var(--s1)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 22px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);line-height:1.5;
  background:transparent;border:0;
}
.accordion-title .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--line);display:grid;place-items:center;
  color:var(--ink-400);transition:all .24s var(--ease);
}
.accordion-item.is-active .accordion-title .plus{
  background:var(--brand-500);border-color:var(--brand-500);color:#fff;transform:rotate(45deg);
}
.accordion-content{
  display:none;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-600);
}
.accordion-item.is-active .accordion-content{display:block;animation:fadeIn .24s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
/* ---------- Posts ---------- */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.posts-head h2{font-size:34px;font-weight:700;color:var(--ink-900);line-height:1.25;margin-bottom:10px}
.posts-head p{font-size:16px;color:var(--ink-600);max-width:560px}
.posts-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);z-index:2}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--s2)}
.post-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--grad-brand)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.post-body .tag{align-self:flex-start;margin-bottom:12px}
.post-time{font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums;margin-bottom:8px;display:block}
.post-body h3{font-size:17.5px;line-height:1.5;font-weight:600;color:var(--ink-900);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:inherit}
.post-body h3 a:hover{color:var(--brand-500)}
.post-body p{font-size:14.5px;line-height:1.7;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-400);border-top:1px dashed var(--line);padding-top:14px}
.post-foot svg{color:var(--brand-500)}
.empty-state{
  grid-column:1/-1;border:1.5px dashed var(--line);border-radius:var(--r-lg);
  background:#fff;padding:56px 24px;text-align:center;color:var(--ink-400);
}
.empty-state svg{color:var(--brand-500);margin-bottom:14px}
.empty-state p{font-size:15px;margin-bottom:16px;color:var(--ink-600)}
/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-2xl);
  background:var(--grad-brand);color:#fff;padding:56px;
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,5fr);gap:48px;align-items:center;
  box-shadow:var(--s3);
}
.cta-block::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;mix-blend-mode:luminosity;pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:34px;line-height:1.25;font-weight:700;color:#fff;margin-bottom:16px}
.cta-copy p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:24px;max-width:420px}
.cta-list{display:grid;gap:10px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.8)}
.cta-list svg{color:var(--lime);flex:0 0 auto;margin-top:4px}
.cta-form{
  position:relative;z-index:2;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-lg);
  padding:28px;backdrop-filter:blur(6px);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:14px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:15px;line-height:1.5;margin:0;
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.55)}
.field select{appearance:none;background-image:none}
.field select option{color:var(--ink-900)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:rgba(255,255,255,.18);
  box-shadow:0 0 0 3px rgba(217,244,91,.25);
}
.field textarea{resize:vertical;min-height:88px}
.cta-form .btn-primary{width:100%;padding:15px 28px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.65);margin-top:14px;line-height:1.6}
/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.5fr));gap:40px;padding-bottom:48px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text span{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:18px 0 20px;max-width:320px}
.footer-contact{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8)}
.footer-contact svg{color:var(--brand-300)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
/* ---------- Responsive ---------- */
@media (min-width:1440px){
  .container{max-width:1280px}
  .hero{padding:88px 0 104px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:38px}
  .hero-figure,.hero-figure img{min-height:340px}
  .float-badge--b{left:12px}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .steps-line{display:none}
  .step-card p{min-height:0}
  .scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cases-grid{grid-template-columns:1fr}
  .case-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .posts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-block{grid-template-columns:1fr;padding:40px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-search{max-width:none}
  .header-main{gap:16px}
}
@media (max-width:900px){
  .nav-links-row{display:none}
  .nav-toggle{display:flex}
  .mobile-nav{display:block}
  .nav-actions .btn-ghost{display:none}
  .logo-text span{display:none}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  .header-main{height:68px}
  .nav-search{height:44px;padding-left:14px}
  .nav-search .search-btn{padding:0 14px;font-size:13px}
  .hero h1{font-size:32px;letter-spacing:-.01em}
  .hero-sub{font-size:16px}
  .section-head h2,.posts-head h2,.faq-intro h2,.cta-copy h2{font-size:25px}
  .scope-grid{grid-template-columns:1fr}
  .case-side{grid-template-columns:1fr}
  .posts-grid{grid-template-columns:1fr}
  .cta-block{padding:28px 20px;border-radius:24px}
  .cta-form{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:52px}
  .hero-cta .btn{width:100%}
  .hero-panel{left:16px;right:16px;bottom:16px;padding:16px}
  .float-badge--a{right:8px;top:-14px}
  .accordion-title{font-size:15.5px;padding:16px 18px}
  .accordion-content{padding:0 18px 18px}
}
@media (max-width:519px){
  .hero h1{font-size:28px}
  .hero-badges .badge{font-size:12px;padding:7px 12px}
  .badge strong{font-size:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2B25;
  --brand-700:#14453A;
  --brand-500:#17A673;
  --brand-300:#2FD3A0;
  --accent-500:#FF7A3D;
  --accent-300:#FFB24B;
  --lime:#D9F45B;
  --ink-900:#0F1A17;
  --ink-600:#3D4F49;
  --ink-400:#7A8B85;
  --line:#E1E9E4;
  --bg:#F5F8F5;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0B2B25 0%,#17A673 62%,#2FD3A0 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FFB24B 100%);
  --s1:0 2px 8px rgba(15,26,23,.06);
  --s2:0 12px 32px rgba(11,43,37,.10);
  --s3:0 24px 64px rgba(11,43,37,.16);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:32px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",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:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  color:var(--ink-900);
  font-family:var(--font);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease);}
a:hover,a:focus{color:var(--brand-500);}
button{font-family:var(--font);cursor:pointer;}
input,select,textarea{font-family:var(--font);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* Foundation 默认样式覆盖 */
.button,.button.primary,.button.secondary{
  background-image:none;
  background-color:transparent;
  border-radius:999px;
  transition:all .22s var(--ease);
}
.button:hover{background-color:transparent;}
.accordion,.accordion-item{border:none;background:transparent;}
.accordion-title{border:none;background:transparent;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1.5px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background-image:var(--grad-cta);
  background-color:var(--accent-500);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,122,61,.28);
}
.btn-primary:hover,.btn-primary:focus{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.03);
  box-shadow:0 10px 24px rgba(255,122,61,.32);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{
  background:#fff;
  color:var(--brand-700);
  border-color:var(--brand-500);
}
.btn-ghost:hover,.btn-ghost:focus{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#fff;
  transform:translateY(-2px);
}
.btn-line{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.55);
}
.btn-line:hover,.btn-line:focus{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand-700);
  font-weight:700;
  font-size:14px;
  padding:4px 0;
  border-bottom:2px solid transparent;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.btn-text:hover,.btn-text:focus{color:var(--brand-500);border-bottom-color:var(--brand-500);}
.btn-text svg{transition:transform .22s var(--ease);}
.btn-text:hover svg{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-600);
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.badge:hover{border-color:var(--accent-300);}
.badge svg{flex:none;color:var(--brand-500);}
.badge strong{
  color:var(--ink-900);
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.badge-sm{padding:4px 10px;font-size:12px;}
.badge-on-dark{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.22);
  color:rgba(255,255,255,.86);
}
.badge-on-dark strong{color:#fff;}
.badge-on-dark svg{color:var(--lime);}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(23,166,115,.10);
  color:var(--brand-700);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:var(--s1);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
  padding-top:10px;
  padding-bottom:10px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--ink-900);
}
.logo:hover,.logo:focus{color:var(--ink-900);}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:14px;
  background-image:var(--grad-brand);
  color:#fff;
  flex:none;
  box-shadow:0 6px 16px rgba(23,166,115,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;}
.logo-text span{font-size:12px;font-weight:600;color:var(--ink-400);margin-top:3px;}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:480px;
  min-width:220px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:999px;
  padding:4px 4px 4px 40px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,166,115,.18);
}
.nav-search .search-icon{
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  color:var(--ink-400);
  pointer-events:none;
  display:inline-flex;
}
.nav-search input[type="search"]{
  flex:1 1 auto;
  border:none;
  background:transparent;
  margin:0;
  height:40px;
  font-size:14px;
  color:var(--ink-900);
  box-shadow:none;
  padding:0 8px;
}
.nav-search input[type="search"]::placeholder{color:var(--ink-400);}
.nav-search input[type="search"]:focus{outline:none;box-shadow:none;}
.nav-search button{
  flex:none;
  border:none;
  border-radius:999px;
  padding:10px 20px;
  font-size:13px;
  font-weight:700;
  color:#fff;
  background-image:var(--grad-brand);
  transition:filter .22s var(--ease),transform .22s var(--ease);
}
.nav-search button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:none;
  opacity:1!important;
  visibility:visible!important;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-600);
  transition:color .2s var(--ease),background-color .2s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover,.nav-links a:focus{color:var(--brand-700);background:rgba(23,166,115,.08);}
.nav-links a.active{color:var(--brand-700);background:rgba(23,166,115,.12);font-weight:700;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
}
.header-cta{flex:none;padding:11px 22px;font-size:14px;}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-left:auto;
  border-radius:14px;
  border:1.5px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  flex:none;
}
.menu-toggle:hover{border-color:var(--brand-500);color:var(--brand-700);}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .nav-search{max-width:none;margin-bottom:14px;}
.mobile-panel .mobile-links{display:flex;flex-direction:column;gap:4px;}
.mobile-panel .mobile-links a{
  padding:12px 14px;
  border-radius:14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-600);
}
.mobile-panel .mobile-links a.active{background:rgba(23,166,115,.12);color:var(--brand-700);}
.mobile-panel .btn{margin-top:14px;width:100%;}

/* ============ 页面头部窄条 ============ */
.page-hero{
  position:relative;
  padding:56px 0 40px;
  background:
    radial-gradient(900px 320px at 12% -20%,rgba(47,211,160,.16),transparent 70%),
    radial-gradient(700px 280px at 92% 0%,rgba(255,178,75,.14),transparent 70%),
    var(--bg);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(11,43,37,.10) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-400);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.crumb a{color:var(--ink-400);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink-900);font-weight:600;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.16;
  margin-bottom:16px;
}
.page-hero h1 .hl{
  background-image:linear-gradient(180deg,transparent 62%,rgba(217,244,91,.75) 62%);
  padding:0 2px;
}
.hero-lead{
  font-size:16.5px;
  color:var(--ink-600);
  max-width:600px;
  margin-bottom:22px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--s2);
  min-height:220px;
  background-image:var(--grad-brand);
}
.hero-figure img{
  width:100%;
  height:230px;
  object-fit:cover;
  border-radius:0;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(150deg,rgba(11,43,37,.55),rgba(23,166,115,.42));
}
.hero-figure .figure-note{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  z-index:2;
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-figure .figure-note svg{color:var(--lime);flex:none;}

/* ============ 筛选布局 ============ */
.section{padding:56px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  margin-bottom:10px;
}
.section-head p{color:var(--ink-600);max-width:680px;margin:0;}
.filter-layout{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.filter-aside{
  position:sticky;
  top:100px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--s1);
}
.filter-aside h3{
  font-size:14px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:14px;
  letter-spacing:.04em;
}
.chip-list{display:flex;flex-direction:column;gap:8px;}
.chip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:10px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--ink-600);
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateX(2px);}
.chip.is-active{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#fff;
  box-shadow:0 8px 20px rgba(23,166,115,.28);
}
.chip .count{
  font-size:12px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--ink-400);
}
.chip.is-active .count{color:rgba(255,255,255,.8);}
.filter-tip{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--ink-400);
  line-height:1.7;
}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--s2);
  border-color:rgba(23,166,115,.32);
}
.entry-cover{
  position:relative;
  aspect-ratio:16/10;
  background-image:var(--grad-brand);
  overflow:hidden;
}
.entry-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.entry-card:hover .entry-cover img{transform:scale(1.04);}
.entry-cover::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background-image:var(--grad-cta);
  z-index:2;
}
.entry-cover .tag{
  position:absolute;
  left:14px;
  bottom:14px;
  z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--brand-700);
  box-shadow:var(--s1);
}
.entry-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.entry-body h3{
  font-size:18.5px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:10px;
}
.entry-body h3 a{color:var(--ink-900);}
.entry-body h3 a:hover{color:var(--brand-700);}
.entry-summary{
  font-size:14.5px;
  color:var(--ink-600);
  line-height:1.75;
  margin-bottom:14px;
}
.point-list{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:18px;
}
.point-list li{
  position:relative;
  padding-left:18px;
  font-size:13.5px;
  color:var(--ink-600);
  line-height:1.6;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:8px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
}
.entry-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--ink-400);
}
.entry-meta{
  display:flex;
  align-items:center;
  gap:8px;
  font-variant-numeric:tabular-nums;
  flex-wrap:wrap;
}
.entry-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-400);}
.entry-foot .btn-text{font-size:13px;}

/* ============ 数据速览条 ============ */
.stats-strip{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  padding:22px;
  border-radius:var(--r-md);
  background-image:var(--grad-brand);
  box-shadow:var(--s2);
}
.stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  color:#fff;
}
.stat .num{
  font-size:32px;
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat .num em{
  font-style:normal;
  font-size:13px;
  font-weight:700;
  margin-left:3px;
  color:var(--lime);
}
.stat .label{
  font-size:12.5px;
  color:rgba(255,255,255,.76);
  line-height:1.5;
}
.stat + .stat{border-left:1px solid rgba(255,255,255,.18);padding-left:16px;}

/* ============ 流程条 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:8px;
}
.flow-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:50%;
  background-image:var(--grad-brand);
  color:#fff;
  font-weight:800;
  font-size:17px;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  box-shadow:0 8px 18px rgba(23,166,115,.3);
}
.flow-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.flow-card p{font-size:14.5px;color:var(--ink-600);margin:0 0 14px;}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:40px;
  align-items:start;
}
.faq-side h2{
  font-size:clamp(24px,2.6vw,32px);
  margin-bottom:12px;
}
.faq-side p{font-size:15px;color:var(--ink-600);margin-bottom:18px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--s1);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(23,166,115,.4);box-shadow:var(--s2);}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:15.5px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.5;
}
.faq-question:hover{color:var(--brand-700);}
.faq-icon{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1.5px solid var(--line);
  color:var(--ink-600);
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.faq-item.is-open .faq-icon{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#fff;
  transform:rotate(180deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-answer-inner{
  padding:0 20px 20px;
  font-size:14.5px;
  color:var(--ink-600);
  line-height:1.8;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background-image:var(--grad-brand);
  padding:52px 48px;
  color:#fff;
  box-shadow:var(--s3);
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,2.8vw,34px);
  margin-bottom:12px;
}
.cta-band p{
  color:rgba(255,255,255,.82);
  max-width:600px;
  margin:0 0 18px;
  font-size:15.5px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.cta-note{
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin:14px 0 0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:40px;
}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text span{color:rgba(255,255,255,.6);}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  margin:16px 0 18px;
  max-width:340px;
}
.footer-contact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
}
.footer-contact svg{color:var(--lime);flex:none;}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s var(--ease);
}
.footer-col a:hover,.footer-col a:focus{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.56);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{color:rgba(255,255,255,.72);font-size:13px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-search{max-width:380px;}
  .nav-links a{padding:9px 10px;font-size:14px;}
}
@media (max-width:1023px){
  .header-inner{gap:14px;}
  .nav-search{max-width:320px;min-width:180px;}
  .nav-links{display:none;}
  .header-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .hero-figure img{height:220px;}
  .filter-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .filter-aside{
    position:static;
    padding:16px;
  }
  .filter-aside h3{margin-bottom:10px;}
  .chip-list{
    flex-direction:row;
    overflow-x:auto;
    gap:8px;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .chip{flex:none;white-space:nowrap;}
  .filter-tip{display:none;}
  .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{min-height:66px;padding-top:8px;padding-bottom:8px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text span{font-size:11px;}
  .logo-mark{width:36px;height:36px;border-radius:12px;}
  .nav-search{display:none;}
  .page-hero{padding:36px 0 28px;}
  .hero-lead{font-size:15.5px;}
  .section{padding:44px 0;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .flow{grid-template-columns:minmax(0,1fr);gap:16px;}
  .entry-body{padding:18px;}
  .entry-body h3{font-size:17px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .stats-strip{grid-template-columns:minmax(0,1fr);}
  .stat + .stat{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:14px;}
  .stat:nth-child(3){border-top:1px solid rgba(255,255,255,.18);padding-top:14px;}
  .hero-badges{gap:8px;}
  .badge{font-size:12px;padding:5px 11px;}
  .faq-question{font-size:14.5px;padding:16px;}
  .faq-answer-inner{padding:0 16px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --brand-900:#0B2B25;
  --brand-700:#14453A;
  --brand-500:#17A673;
  --brand-300:#2FD3A0;
  --accent-500:#FF7A3D;
  --accent-300:#FFB24B;
  --lime:#D9F45B;
  --ink-900:#0F1A17;
  --ink-600:#3D4F49;
  --ink-400:#7A8B85;
  --line:#E1E9E4;
  --bg:#F5F8F5;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0B2B25 0%,#17A673 62%,#2FD3A0 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FFB24B 100%);
  --r-xs:12px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:32px;
  --r-pill:999px;
  --s1:0 2px 8px rgba(15,26,23,.06);
  --s2:0 12px 32px rgba(11,43,37,.10);
  --s3:0 24px 64px rgba(11,43,37,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;color:var(--ink-900);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

/* overrides for foundation defaults */
body a{color:var(--brand-700);}
body a:hover{color:var(--brand-500);}
button,.button{-webkit-appearance:none;appearance:none;}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:transparent;border:0;}

/* ---------- containers ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  line-height:1;
  letter-spacing:.02em;
  border:1.5px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{
  background:var(--grad-cta);
  color:#FFFFFF;
  box-shadow:0 8px 20px rgba(255,122,61,.22);
}
.btn-primary:hover{
  color:#FFFFFF;
  transform:translateY(-2px);
  filter:brightness(1.03);
  box-shadow:0 10px 24px rgba(255,122,61,.32);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{
  background:transparent;
  border-color:var(--brand-500);
  color:var(--brand-700);
}
.btn-ghost:hover{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#FFFFFF;
  transform:translateY(-2px);
}
.btn-light{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.34);
  color:#FFFFFF;
}
.btn-light:hover{
  background:rgba(255,255,255,.9);
  border-color:#FFFFFF;
  color:var(--brand-900);
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  font-size:14px;
  color:var(--brand-700);
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  height:2px;
  width:0;
  background:var(--brand-500);
  transition:width .28s var(--ease);
}
.text-link:hover{color:var(--brand-700);}
.text-link:hover::after{width:100%;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:var(--s1);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
  padding-top:10px;
  padding-bottom:10px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink-900);
}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--grad-brand);
  color:#FFFFFF;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(23,166,115,.25);
}
.logo-text{display:inline-flex;align-items:baseline;gap:2px;letter-spacing:-.01em;}
.logo-text strong{font-size:19px;font-weight:800;color:var(--brand-900);}
.logo-text span{font-size:14px;font-weight:600;color:var(--ink-600);}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:500px;
  min-width:220px;
  height:46px;
  background:#FFFFFF;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 4px 0 14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,166,115,.18);
}
.nav-search .search-icon{flex:0 0 auto;color:var(--ink-400);}
.nav-search input[type="search"]{
  flex:1 1 auto;
  border:0;
  background:transparent;
  height:100%;
  margin:0;
  padding:0 8px;
  font-size:15px;
  color:var(--ink-900);
  box-shadow:none;
}
.nav-search input[type="search"]::placeholder{color:var(--ink-400);}
.nav-search input[type="search"]:focus{outline:none;box-shadow:none;border:0;}
.nav-search .search-btn{
  flex:0 0 auto;
  height:36px;
  padding:0 18px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--brand-900);
  color:#FFFFFF;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.nav-search .search-btn:hover{background:var(--brand-500);transform:translateY(-1px);}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:0 0 auto;
  margin-left:auto;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-600);
  white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.nav-links a:hover{background:#EEF5F1;color:var(--brand-700);}
.nav-links a.active{background:var(--brand-900);color:#FFFFFF;}
.nav-links a.active:hover{background:var(--brand-700);color:#FFFFFF;}

.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--ink-900);
  cursor:pointer;
}

/* ---------- page hero ---------- */
.article-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 44px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-400);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#C3D2CA;}
.breadcrumb .current{color:var(--ink-900);font-weight:600;}
.article-hero h1{
  max-width:820px;
  font-size:36px;
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13.5px;
  color:var(--ink-400);
}
.article-meta .divider{width:1px;height:14px;background:var(--line);}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.tag-brand{background:rgba(23,166,115,.12);color:var(--brand-700);border:1px solid rgba(23,166,115,.24);}
.tag-soft{background:#FFFFFF;color:var(--ink-600);border:1px solid var(--line);}

/* ---------- layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
  padding:56px 0 8px;
}
.article-main{min-width:0;}
.article-body{
  max-width:780px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 44px;
  box-shadow:var(--s1);
  font-size:17px;
  line-height:1.9;
  color:var(--ink-600);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:800;
  margin:2em 0 .8em;
  padding-left:18px;
  line-height:1.35;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.32em;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--brand-500);
}
.article-body h3{
  font-size:20px;
  font-weight:700;
  margin:1.6em 0 .6em;
  color:var(--ink-900);
}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.4em;}
.article-body ul{list-style:none;padding-left:1.2em;}
.article-body ul li{position:relative;padding-left:6px;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:-14px;
  top:.72em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 2px rgba(217,244,91,.28);
}
.article-body ol li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:4px solid var(--brand-500);
  background:#F3F9F6;
  border-radius:0 12px 12px 0;
  color:var(--brand-700);
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:1.6em 0;
  font-size:15.5px;
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.article-body th{background:#F1F7F3;color:var(--ink-900);font-weight:700;}
.article-body tbody tr:nth-child(even) td{background:#FAFCFA;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body img{
  border-radius:16px;
  margin:1.6em auto;
  box-shadow:var(--s1);
}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-400);
  text-align:center;
  margin-top:-.6em;
  margin-bottom:1.6em;
}
.article-body a{
  color:var(--brand-700);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--brand-500);}
.article-body code{
  background:var(--brand-900);
  color:var(--lime);
  padding:2px 8px;
  border-radius:8px;
  font-size:14.5px;
}

/* ---------- sidebar ---------- */
.article-side{
  position:sticky;
  top:100px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 22px 18px;
  box-shadow:var(--s1);
}
.side-card h3{
  font-size:15px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--ink-900);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-500);
}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;
  padding:8px 0 8px 12px;
  border-left:2px solid transparent;
  color:var(--ink-600);
  line-height:1.5;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.toc-list a:hover,.toc-list a.is-active{
  color:var(--brand-700);
  border-left-color:var(--brand-500);
  background:#F5FAF7;
}
.hot-list{list-style:none;margin:0;padding:0;font-size:14px;}
.hot-list li{padding:11px 0;border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list span{
  display:block;
  font-size:12.5px;
  color:var(--ink-400);
  font-variant-numeric:tabular-nums;
  margin-bottom:2px;
}
.hot-list a{color:var(--ink-900);font-weight:600;line-height:1.55;display:block;}
.hot-list a:hover{color:var(--brand-500);}

/* ---------- empty state ---------- */
.empty-state{
  max-width:780px;
  background:#FFFFFF;
  border:1.5px dashed var(--line);
  border-radius:var(--r-lg);
  padding:64px 32px;
  text-align:center;
}
.empty-state h2{font-size:24px;margin-bottom:12px;}
.empty-state p{max-width:420px;margin:0 auto 24px;color:var(--ink-600);}

/* ---------- related ---------- */
.section{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:32px;
  font-weight:800;
  letter-spacing:-.02em;
  margin:0;
}
.section-head p{margin:8px 0 0;color:var(--ink-600);font-size:16px;max-width:620px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--s1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.post-card .thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--grad-brand);
}
.post-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,43,37,0) 45%,rgba(11,43,37,.38) 100%);
}
.post-card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{
  font-size:17.5px;
  line-height:1.5;
  font-weight:700;
  margin:12px 0 8px;
}
.post-card h3 a{color:var(--ink-900);}
.post-card h3 a:hover{color:var(--brand-500);}
.post-card p{
  font-size:14px;
  color:var(--ink-600);
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card .card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--ink-400);
  font-variant-numeric:tabular-nums;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.post-card .card-foot .arrow{margin-left:auto;color:var(--brand-500);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:16px;
  padding:0 22px;
  box-shadow:var(--s1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{
  border-color:rgba(23,166,115,.4);
  box-shadow:var(--s2);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 0;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  background:#EEF5F1;
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:700;
  line-height:1;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.faq-item[open] summary::after{
  content:"−";
  background:var(--brand-500);
  color:#FFFFFF;
  transform:rotate(180deg);
}
.faq-item .faq-answer{
  padding:0 0 20px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink-600);
  max-width:760px;
}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  padding:56px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  box-shadow:var(--s3);
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.32;
  mix-blend-mode:luminosity;
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(255,178,75,.28),transparent 55%);
  pointer-events:none;
}
.cta-copy,.cta-form-box{position:relative;z-index:2;}
.cta-copy h2{
  color:#FFFFFF;
  font-size:32px;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.cta-copy p{color:rgba(255,255,255,.82);font-size:16px;max-width:420px;margin-bottom:22px;}
.cta-points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px;}
.cta-points li{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  color:#FFFFFF;
  font-size:13px;
  font-weight:600;
}
.cta-points li svg{color:var(--lime);}
.cta-form-box{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);
  padding:26px;
  backdrop-filter:blur(6px);
}
.field{margin-bottom:14px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:700;
  color:rgba(255,255,255,.82);
  margin-bottom:6px;
  letter-spacing:.02em;
}
.field input,.field select,.field textarea{
  width:100%;
  margin:0;
  height:46px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.14);
  color:#FFFFFF;
  font-size:15px;
  box-shadow:none;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.field select option{color:var(--ink-900);}
.field textarea{height:84px;padding:12px 16px;resize:vertical;line-height:1.6;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.55);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 2px var(--lime);
  background:rgba(255,255,255,.2);
}
.form-note{font-size:12.5px;color:rgba(255,255,255,.62);margin:10px 0 0;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text strong{color:#FFFFFF;}
.footer-brand .logo-text span{color:rgba(255,255,255,.72);}
.footer-brand p{max-width:320px;line-height:1.8;margin-bottom:18px;color:rgba(255,255,255,.62);}
.footer-contact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--lime);
}
.footer-col h4{
  color:#FFFFFF;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:rgba(255,255,255,.62);}
.footer-links a:hover{color:#FFFFFF;}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-search{max-width:360px;}
  .nav-links a{padding:0 10px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-search{max-width:none;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;
    left:16px;
    right:16px;
    top:calc(100% + 8px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:12px;
    box-shadow:var(--s2);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{height:46px;justify-content:flex-start;padding:0 16px;font-size:15px;}
  .nav-cta{display:none;}
  .header-inner{position:relative;flex-wrap:wrap;row-gap:12px;}
  .nav-search{order:3;flex:1 0 100%;max-width:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:40px;}
  .article-side{position:static;order:2;}
  .article-body{padding:32px 28px;font-size:16.5px;}
  .article-hero h1{font-size:30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .cta-copy h2{font-size:26px;}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px;}
  .article-hero{padding:24px 0 32px;}
  .article-hero h1{font-size:24px;line-height:1.35;}
  .article-body{padding:24px 18px;font-size:16px;border-radius:var(--r-md);}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-wrap{padding-bottom:56px;}
  .cta-panel{padding:32px 20px;border-radius:var(--r-lg);}
  .cta-form-box{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{padding:13px 22px;}
}

/* roulang page: category2 */
/* ========== 1. 设计变量 ========== */
:root{
  --brand-900:#0B2B25;
  --brand-700:#14453A;
  --brand-500:#17A673;
  --brand-300:#2FD3A0;
  --accent-500:#FF7A3D;
  --accent-300:#FFB24B;
  --lime:#D9F45B;
  --ink-900:#0F1A17;
  --ink-600:#3D4F49;
  --ink-400:#7A8B85;
  --line:#E1E9E4;
  --bg:#F5F8F5;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0B2B25 0%,#17A673 62%,#2FD3A0 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D 0%,#FFB24B 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:32px;
  --r-pill:999px;
  --s1:0 2px 8px rgba(15,26,23,.06);
  --s2:0 12px 32px rgba(11,43,37,.10);
  --s3:0 24px 64px rgba(11,43,37,.16);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ========== 2. 基础重置 ========== */
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-500);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* 覆盖 Foundation 默认外观 */
.button,.button.primary,.button.secondary{
  background:var(--grad-cta);
  color:#fff;
  border-radius:var(--r-pill);
  font-family:var(--font);
}
a.button:hover{color:#fff;}

/* ========== 3. 容器与通用排版 ========== */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
.section{padding:84px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink-900);
  margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--ink-600);}

/* ========== 4. 徽章与按钮 ========== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--ink-600);
  transition:border-color var(--t),transform var(--t);
}
.badge svg{width:16px;height:16px;color:var(--brand-500);flex:0 0 auto;}
.badge:hover{border-color:var(--accent-300);transform:translateY(-1px);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-primary{
  background:var(--grad-cta);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,122,61,.24);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(255,122,61,.32);
}
.btn-outline{
  background:#fff;
  border-color:var(--brand-500);
  color:var(--brand-700);
}
.btn-outline:hover{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#fff;
  transform:translateY(-2px);
}
.btn-brand{
  background:var(--brand-500);
  color:#fff;
}
.btn-brand:hover{
  background:var(--brand-700);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(23,166,115,.28);
}
.btn-light{
  background:#fff;
  color:var(--brand-700);
}
.btn-light:hover{
  background:var(--lime);
  color:var(--brand-900);
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0);}

/* ========== 5. 头部导航 ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:var(--s1);}
.header-bar{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink-900);
}
.logo-mark{
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  display:grid;
  place-items:center;
  background:var(--grad-brand);
  color:#fff;
  flex:0 0 auto;
}
.logo-text{display:flex;align-items:baseline;gap:2px;line-height:1;}
.logo-text strong{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);}
.logo-text span{font-size:13.5px;font-weight:600;color:var(--ink-600);}

.header-search{
  flex:1 1 280px;
  min-width:0;
  max-width:520px;
}
.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  padding:5px 5px 5px 16px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t);
}
.search-form:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,166,115,.18);
}
.search-form .search-icon{
  width:18px;
  height:18px;
  color:var(--ink-400);
  flex:0 0 auto;
}
.search-form input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--ink-900);
  padding:7px 0;
  height:auto;
  margin:0;
  box-shadow:none;
}
.search-form input::placeholder{color:var(--ink-400);}
.search-btn{
  flex:0 0 auto;
  border:0;
  border-radius:var(--r-pill);
  padding:9px 20px;
  font-size:14px;
  font-weight:700;
  color:#fff;
  background:var(--grad-cta);
  cursor:pointer;
  transition:filter var(--t),box-shadow var(--t);
}
.search-btn:hover{filter:brightness(1.04);box-shadow:0 6px 16px rgba(255,122,61,.28);}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  margin:0 auto;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform var(--t),opacity var(--t);
}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-links{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  padding-bottom:12px;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--ink-600);
  transition:background var(--t),color var(--t);
}
.nav-links a:hover{background:rgba(23,166,115,.10);color:var(--brand-700);}
.nav-links a.active{background:var(--brand-500);color:#fff;}
.nav-links a.active:hover{background:var(--brand-700);color:#fff;}

/* ========== 6. 分类页头部 ========== */
.cat-hero{
  position:relative;
  padding:64px 0 56px;
  background:
    radial-gradient(900px 400px at 84% -14%,rgba(47,211,160,.20),transparent 68%),
    radial-gradient(600px 300px at 6% 20%,rgba(23,166,115,.10),transparent 70%),
    linear-gradient(180deg,#F5F8F5 0%,#EEF4F0 100%);
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(11,43,37,.06) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  margin-bottom:18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(23,166,115,.35);
  background:rgba(23,166,115,.08);
  color:var(--brand-700);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
}
.eyebrow i{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,166,115,.16);
}
.cat-hero h1{
  font-size:clamp(28px,4vw,42px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink-900);
  margin-bottom:16px;
}
.cat-hero .lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-600);
  max-width:560px;
  margin-bottom:22px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cat-hero-media{
  position:relative;
  height:240px;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--s2);
  border:1px solid rgba(255,255,255,.6);
}
.cat-hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.02);
}
.cat-hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(11,43,37,.62) 0%,rgba(23,166,115,.28) 60%,rgba(47,211,160,.10) 100%);
}
.cat-hero-media figcaption{
  position:absolute;
  left:20px;
  bottom:18px;
  right:20px;
  z-index:2;
  color:#fff;
  font-size:13.5px;
  font-weight:600;
  line-height:1.6;
  text-shadow:0 1px 8px rgba(11,43,37,.5);
}

/* ========== 7. 筛选条 ========== */
.chip-strip{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:22px 0;
}
.chips{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:thin;
}
.chips::-webkit-scrollbar{height:4px;}
.chips::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
.chip{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-600);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.chip:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-1px);}
.chip.is-active{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:#fff;
  box-shadow:0 6px 16px rgba(23,166,115,.24);
}
.chip.is-active:hover{color:#fff;}

/* ========== 8. 验证方式卡片网格 ========== */
.ways{padding:72px 0 32px;}
.ways-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.way-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--s1);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.way-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--s2);
  border-color:rgba(23,166,115,.28);
}
.way-bar{
  display:block;
  height:4px;
  width:100%;
  background:var(--grad-brand);
  flex:0 0 auto;
}
.way-bar--cta{background:var(--grad-cta);}
.way-bar--lime{background:linear-gradient(90deg,#D9F45B 0%,#2FD3A0 100%);}
.way-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.way-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:8px;
  letter-spacing:-.01em;
}
.way-concl{
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-600);
  margin-bottom:16px;
}
.way-meta{
  margin-top:auto;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--ink-400);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:rgba(23,166,115,.10);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
}
.tag--warn{background:rgba(255,122,61,.12);color:#B84A17;}
.way-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:16px;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand-700);
  border-bottom:2px solid rgba(23,166,115,.28);
  padding-bottom:2px;
  align-self:flex-start;
  transition:border-color var(--t),color var(--t);
}
.way-link:hover{border-color:var(--brand-500);color:var(--brand-500);}

.way-feature{grid-column:span 2;}
.way-feature-inner{
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  min-height:220px;
  flex:1 1 auto;
}
.way-media{margin:0;height:100%;min-height:180px;overflow:hidden;}
.way-media img{width:100%;height:100%;object-fit:cover;}
.way-feature .way-body{padding:24px;}
.way-list{margin:12px 0 0;display:flex;flex-direction:column;gap:8px;}
.way-list li{
  position:relative;
  padding-left:18px;
  font-size:13.5px;
  color:var(--ink-600);
  line-height:1.7;
}
.way-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand-300);
}

/* ========== 9. 数据速览条 ========== */
.stats-strip{padding:8px 0 72px;}
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:6px;
  padding:26px 10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--s2);
}
.stat{
  padding:6px 22px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;}
.stat-num{
  display:block;
  font-size:clamp(28px,3.4vw,38px);
  font-weight:800;
  line-height:1.15;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num small{
  font-size:13px;
  font-weight:600;
  color:var(--ink-400);
  margin-left:4px;
  letter-spacing:0;
}
.stat-label{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--ink-400);
  line-height:1.6;
}

/* ========== 10. 处理顺序 ========== */
.flow{padding:72px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.flow-list{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.flow-list li{
  position:relative;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  transition:transform var(--t),box-shadow var(--t),background var(--t);
}
.flow-list li:hover{
  transform:translateY(-4px);
  box-shadow:var(--s2);
  background:#fff;
}
.flow-list li::after{
  content:"";
  position:absolute;
  top:44px;
  right:-25px;
  width:26px;
  border-top:2px dashed rgba(23,166,115,.35);
}
.flow-list li:last-child::after{display:none;}
.flow-num{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow-list h3{
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:8px;
}
.flow-list p{font-size:14px;line-height:1.75;color:var(--ink-600);}

/* ========== 11. FAQ ========== */
.faq-section{padding:72px 0;}
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink-900);
  margin-bottom:12px;
}
.faq-aside p{font-size:15px;color:var(--ink-600);margin-bottom:18px;}
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--s1);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(23,166,115,.32);}
.faq-item.is-open{border-color:rgba(23,166,115,.42);box-shadow:var(--s2);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 22px;
  border:0;
  background:transparent;
  text-align:left;
  font-size:15.5px;
  font-weight:700;
  color:var(--ink-900);
  cursor:pointer;
  line-height:1.6;
}
.faq-icon{
  position:relative;
  width:24px;
  height:24px;
  flex:0 0 auto;
  border-radius:50%;
  background:rgba(23,166,115,.12);
  transition:background var(--t);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--brand-700);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{background:var(--brand-500);}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:#fff;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms ease;
}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{
  padding:0 22px 20px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--ink-600);
}

/* ========== 12. CTA 区块 ========== */
.cta-band{padding:0 0 84px;}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:52px;
  color:#fff;
  box-shadow:var(--s3);
  background-image:
    linear-gradient(120deg,rgba(11,43,37,.95) 0%,rgba(23,166,115,.92) 62%,rgba(47,211,160,.86) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:start;
}
.cta-content{position:relative;z-index:2;}
.cta-tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  margin-bottom:16px;
  border-radius:var(--r-pill);
  background:rgba(217,244,91,.18);
  border:1px solid rgba(217,244,91,.42);
  color:var(--lime);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.cta-box h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:12px;
  color:#fff;
}
.cta-box p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);}
.cta-points{
  margin-top:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.cta-points li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:rgba(255,255,255,.86);
}
.cta-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(217,244,91,.16);
}
.cta-form{
  position:relative;
  z-index:2;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:24px;
  padding:26px;
  backdrop-filter:blur(6px);
}
.cta-form .field{margin-bottom:14px;}
.cta-form label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:rgba(255,255,255,.78);
  margin-bottom:6px;
}
.cta-form input,
.cta-form select,
.cta-form textarea{
  width:100%;
  margin:0;
  padding:11px 14px;
  height:auto;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:14px;
  line-height:1.5;
  box-shadow:none;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.cta-form input::placeholder,
.cta-form textarea::placeholder{color:rgba(255,255,255,.55);}
.cta-form input:focus,
.cta-form select:focus,
.cta-form textarea:focus{
  outline:none;
  border-color:var(--lime);
  background:rgba(255,255,255,.16);
  box-shadow:0 0 0 3px rgba(217,244,91,.26);
}
.cta-form select option{color:var(--ink-900);}
.cta-form textarea{resize:vertical;min-height:82px;}
.cta-form .btn{width:100%;margin-top:6px;}
.form-note{
  margin-top:12px;
  font-size:12.5px;
  color:rgba(255,255,255,.66);
  line-height:1.7;
}

/* ========== 13. 页脚 ========== */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .logo{color:#fff;margin-bottom:16px;}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text span{color:rgba(255,255,255,.72);}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:320px;
  margin-bottom:16px;
}
.footer-contact{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
}
.footer-contact svg{color:var(--brand-300);}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color var(--t);
}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:rgba(255,255,255,.55);font-size:13px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}

/* ========== 14. 响应式 ========== */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .cat-hero{padding:48px 0 44px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{height:220px;}
  .ways-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .way-feature{grid-column:span 2;}
  .stats-row{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:20px;}
  .stat:nth-child(3){border-left:0;}
  .flow-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-list li::after{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-box{grid-template-columns:1fr;padding:40px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:900px){
  .header-bar{flex-wrap:wrap;min-height:64px;padding:12px 0;gap:12px;}
  .header-search{order:3;flex-basis:100%;max-width:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .nav-links{
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding-bottom:16px;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{justify-content:flex-start;padding:11px 16px;border-radius:var(--r-sm);}
}

@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .cat-hero{padding:36px 0 40px;}
  .cat-hero h1{font-size:27px;}
  .cat-hero .lead{font-size:15.5px;}
  .cat-hero-media{height:190px;border-radius:20px;}
  .hero-actions .btn{flex:1 1 auto;}
  .ways{padding:48px 0 24px;}
  .ways-grid{grid-template-columns:1fr;gap:16px;}
  .way-feature{grid-column:span 1;}
  .way-feature-inner{grid-template-columns:1fr;}
  .way-media{min-height:170px;max-height:200px;}
  .stats-strip{padding:0 0 56px;}
  .stats-row{grid-template-columns:1fr 1fr;padding:20px 8px;}
  .stat{padding:6px 14px;}
  .stat-num{font-size:28px;}
  .flow-list{grid-template-columns:1fr;gap:16px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-box{padding:28px 22px;border-radius:24px;}
  .cta-form{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:48px;}
}

@media (max-width:400px){
  .stats-row{grid-template-columns:1fr;}
  .stat{border-left:0;}
}