/* roulang page: index */
:root{
  --ink:#151A17;
  --muted:#4A544E;
  --line:#E2DFD6;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --tint:#EEF1EA;
  --green:#16463A;
  --green-deep:#0E2E26;
  --orange:#E4552B;
  --orange-dark:#C8431F;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 18px 40px -24px rgba(21,26,23,.28);
  --shadow-hover:0 26px 52px -24px rgba(21,26,23,.38);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.18;letter-spacing:-.2px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--green);background:var(--tint);
  border:1px solid rgba(22,70,58,.12);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.section-head h2{font-size:clamp(26px,2.6vw,36px);}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.lead{font-size:17px;color:var(--muted);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px;}
.nav-pill{
  position:relative;
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:24px;
  padding:0 10px 0 24px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 14px 34px -24px rgba(21,26,23,.5);
}
.logo{display:flex;align-items:baseline;gap:4px;color:var(--green);white-space:nowrap;}
.logo-main{font-size:20px;font-weight:800;letter-spacing:.5px;}
.logo-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em;}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:3px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--green);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green);font-weight:700;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:15px;font-weight:700;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:0 10px 22px -14px rgba(228,85,43,.9);
}
.nav-cta:hover{background:var(--orange-dark);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .2s ease,opacity .2s ease;}
.nav-pill.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-pill.open .nav-toggle span:nth-child(2){opacity:0;}
.nav-pill.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 14px 28px -18px rgba(228,85,43,.95);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px);}
.btn[disabled]{opacity:.45;cursor:not-allowed;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:700;font-size:15px;border-bottom:2px solid rgba(228,85,43,.55);padding-bottom:2px;transition:color .2s ease,border-color .2s ease;}
.text-link:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- Hero ---------- */
.hero{padding:152px 0 96px;position:relative;}
.hero::before{
  content:"";position:absolute;top:120px;right:-120px;width:420px;height:420px;
  border:1px solid rgba(22,70,58,.10);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:56px;align-items:center;position:relative;}
.hero h1{font-size:clamp(34px,4.4vw,56px);letter-spacing:-1px;}
.hero h1 em{font-style:normal;color:var(--green);position:relative;}
.hero-sub{margin-top:22px;font-size:17.5px;line-height:1.8;color:var(--muted);max-width:580px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;}
.stat{padding:0 26px;border-left:1px solid var(--line);}
.stat:first-child{padding-left:0;border-left:0;}
.stat-num{font-size:28px;font-weight:800;line-height:1.2;color:var(--green);font-variant-numeric:tabular-nums;}
.stat-num small{font-size:13px;font-weight:700;margin-left:3px;color:var(--muted);}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:1/1.06;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:0 30px 60px -32px rgba(21,26,23,.55);
  background:var(--tint);
}
.hero-figure::after{
  content:"";position:absolute;left:-22px;bottom:-22px;width:150px;height:150px;
  border-left:1px solid rgba(22,70,58,.22);border-bottom:1px solid rgba(22,70,58,.22);
  border-radius:0 0 0 28px;pointer-events:none;
}
.hero-badge{
  position:absolute;left:-14px;top:26px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow);font-size:13.5px;color:var(--muted);
}
.hero-badge strong{display:block;font-size:18px;color:var(--green);font-weight:800;}

/* ---------- 主张区 ---------- */
.claims{border-top:1px solid var(--line);}
.claim-lead{font-size:clamp(20px,2.1vw,26px);font-weight:800;line-height:1.5;max-width:860px;margin-bottom:44px;}
.claim-list{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.claim{padding-top:24px;border-top:2px solid var(--green);}
.claim .num{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--orange);}
.claim h3{font-size:19px;margin:12px 0 10px;}
.claim p{font-size:15px;color:var(--muted);line-height:1.75;}

/* ---------- 故事区 ---------- */
.story{background:var(--tint);border-radius:0;}
.story-grid{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start;}
.story-side h2{font-size:clamp(24px,2.4vw,32px);}
.story-side .tagline{margin-top:16px;font-size:14px;color:var(--muted);letter-spacing:.02em;}
.story-body p{font-size:16.5px;line-height:1.9;color:#2B322E;}
.story-figure{margin-top:32px;}
.story-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px;background:#DDE3D9;}
.story-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted);}

/* ---------- 卡片系统 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(22,70,58,.4);box-shadow:var(--shadow-hover);}
.card-media{background:var(--tint);position:relative;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.badge{
  display:inline-block;font-size:13px;font-weight:700;
  color:var(--green);background:var(--tint);
  border:1px solid rgba(22,70,58,.12);
  padding:3px 12px;border-radius:999px;
}
.card-body{padding:24px;}
.card-body h3{font-size:19px;line-height:1.45;margin:12px 0 10px;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.7;}
.card-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--green);}
.card:hover .card-arrow{color:var(--orange);}

/* ---------- 精选内容 ---------- */
.featured-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px;align-items:stretch;}
.featured-main{display:flex;flex-direction:column;}
.featured-main .card-media{aspect-ratio:16/10;}
.featured-main .card-body{padding:30px;}
.featured-main h3{font-size:24px;line-height:1.4;}
.featured-side{display:flex;flex-direction:column;gap:20px;}
.featured-side .card{flex:1;display:flex;flex-direction:column;}
.featured-side .card-media{aspect-ratio:16/7;}
.featured-side .card-body{padding:22px;flex:1;display:flex;flex-direction:column;}
.featured-side h3{font-size:17.5px;}

/* ---------- 资讯区 ---------- */
.news{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.news-head h2{font-size:clamp(26px,2.6vw,34px);}
.news-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card .card-body{padding:26px;display:flex;flex-direction:column;gap:10px;}
.news-card h3{
  font-size:18.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;}
.news-meta time{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-more{font-size:14px;font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-more{color:var(--orange);}
.news-empty{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:18px;
  min-height:160px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:15px;background:var(--paper);
}

/* ---------- 信任背书 ---------- */
.proof-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;}
.proof-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.proof-stat{background:#fff;padding:26px 24px;}
.proof-stat .num{font-size:30px;font-weight:800;color:var(--green);line-height:1.2;font-variant-numeric:tabular-nums;}
.proof-stat .num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px;}
.proof-stat .label{font-size:14px;color:var(--muted);margin-top:6px;}
.proof-note{margin-top:20px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line);}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--green);
}
.tl-item.now::before{background:var(--orange);border-color:var(--orange);}
.tl-item h4{font-size:16px;margin-bottom:6px;}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{background:var(--tint);}
.faq-list{max-width:880px;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;border:0;background:transparent;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--green);}
.faq-icon{flex:none;width:22px;height:22px;position:relative;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--orange);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15.5px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0 96px;}
.cta-inner{
  background:var(--green);border-radius:28px;padding:56px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
  color:#fff;position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;
}
.cta-inner h2{font-size:clamp(24px,2.5vw,32px);color:#fff;}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-points li{
  font-size:13.5px;color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:6px 14px;
}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:26px;position:relative;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:7px;font-weight:600;}
.field input,.field select{
  width:100%;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.94);padding:0 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(238,241,234,.45);
}
.field input.invalid{border-color:var(--orange);box-shadow:0 0 0 3px rgba(228,85,43,.2);}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.7);margin-top:10px;line-height:1.7;}
.form-msg{margin-top:12px;font-size:13.5px;color:#CFE6DA;min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-deep);color:rgba(255,255,255,.86);padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-main{color:#fff;font-size:19px;}
.footer-brand .logo-sub{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(255,255,255,.95);padding-top:14px;border-top:1px solid rgba(255,255,255,.08);
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;transition:color .2s ease;}
.footer-col a:hover{color:var(--orange);}
.footer-info li{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:10px;line-height:1.7;}
.footer-info strong{color:#fff;font-weight:700;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .featured-grid{grid-template-columns:1fr 1fr;}
  .proof-grid{grid-template-columns:1fr;gap:36px;}
  .story-grid{gap:40px;}
  .cta-inner{padding:44px;gap:36px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-menu{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:10px;box-shadow:0 24px 48px -28px rgba(21,26,23,.5);
  }
  .nav-pill{border-radius:16px;padding:0 10px 0 18px;}
  .nav-pill.open .nav-menu{display:flex;}
  .nav-link{padding:15px 14px;height:52px;display:flex;align-items:center;border-radius:10px;font-size:15.5px;}
  .nav-link::after{display:none;}
  .nav-link:hover,.nav-link.is-active{background:var(--tint);}
  .nav-cta{margin:10px 4px 4px;height:48px;}
  .hero{padding:132px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-figure{order:2;}
  .hero-figure img{aspect-ratio:16/10;}
  .hero-badge{left:auto;right:12px;top:12px;}
  .hero-stats{gap:20px 0;}
  .stat{padding:0 18px;}
  .claim-list{grid-template-columns:1fr;gap:24px;}
  .story-grid{grid-template-columns:1fr;}
  .featured-grid,.news-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:120px 0 56px;}
  .hero h1{font-size:32px;letter-spacing:-.5px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .stat{padding:0 14px;flex:1 1 44%;border-left:0;padding-left:0;margin-bottom:6px;}
  .stat-num{font-size:24px;}
  .proof-stats{grid-template-columns:1fr;}
  .cta-inner{padding:28px 22px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .card-body{padding:20px;}
  .featured-main .card-body{padding:22px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --green:#16463A;
  --green-deep:#0E2E26;
  --orange:#E4552B;
  --orange-deep:#C8431F;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E2DFD6;
  --soft:#EEF1EA;
  --ink:#151A17;
  --ink-2:#4A544E;
  --radius-s:12px;
  --radius-m:18px;
  --radius-l:24px;
  --shadow:0 18px 40px -24px rgba(21,26,23,.28);
  --shadow-hover:0 26px 52px -22px rgba(21,26,23,.36);
  --space-1:8px; --space-2:12px; --space-3:16px; --space-4:20px;
  --space-5:24px; --space-6:32px; --space-7:48px; --space-8:64px; --space-9:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.18;letter-spacing:.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 24px 0;
}
.nav-pill{
  position:relative;
  max-width:1160px;
  margin:0 auto;
  height:64px;
  padding:0 10px 0 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:0 12px 30px -22px rgba(21,26,23,.5);
}
.logo{
  display:flex;
  align-items:baseline;
  gap:2px;
  flex-shrink:0;
  color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-main{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--green);}
.logo-sub{font-size:11px;font-weight:500;color:var(--ink-2);letter-spacing:.4px;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:3px;
  border-radius:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--green);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green);font-weight:700;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 22px -14px rgba(228,85,43,.9);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.crumbs-bar{padding:26px 0 0;}
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
}
.breadcrumbs a{color:var(--ink-2);}
.breadcrumbs a:hover{color:var(--orange);}
.breadcrumbs .sep{color:var(--line);}
.breadcrumbs .current{color:var(--green);font-weight:600;}

/* ============ 文章头区 ============ */
.article-hero{
  position:relative;
  padding:26px 0 8px;
}
.article-hero-shell{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:linear-gradient(135deg,#FFFFFF 0%,#F4F6F1 62%,#EEF1EA 100%);
  padding:44px 48px 40px;
  box-shadow:var(--shadow);
}
.article-hero-shell::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:420px;
  height:420px;
  border-radius:50%;
  border:1px solid rgba(22,70,58,.12);
  box-shadow:0 0 0 44px rgba(22,70,58,.05),0 0 0 92px rgba(22,70,58,.035);
  pointer-events:none;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:var(--soft);
  color:var(--green);
  font-size:13px;
  font-weight:700;
  letter-spacing:.3px;
}
.article-hero h1{
  position:relative;
  margin:18px 0 0;
  font-size:clamp(27px,3.3vw,40px);
  max-width:900px;
  color:var(--ink);
}
.article-meta{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:22px;
  font-size:14px;
  color:var(--ink-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta strong{color:var(--green);font-weight:600;}

/* ============ 正文 ============ */
.article-section{padding:32px 0 8px;}
.article-wrap{
  max-width:760px;
  margin:0 auto;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  margin:2.1em 0 .8em;
  padding-left:16px;
  font-size:clamp(21px,2.2vw,26px);
  color:var(--green-deep);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:4px;
  height:18px;
  border-radius:3px;
  background:var(--orange);
}
.article-body h3{
  margin:1.7em 0 .6em;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
}
.article-body h4{
  margin:1.4em 0 .5em;
  font-size:17px;
  font-weight:700;
  color:var(--green);
}
.article-body ul,
.article-body ol{
  margin:0 0 1.3em;
  padding-left:1.35em;
}
.article-body ul li{list-style:disc;margin:.35em 0;}
.article-body ol li{list-style:decimal;margin:.35em 0;}
.article-body img{
  margin:28px auto;
  border-radius:16px;
  max-width:100%;
}
.article-body figure{margin:28px 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--ink-2);
  text-align:center;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:3px solid var(--green);
  background:var(--soft);
  border-radius:0 14px 14px 0;
  color:var(--ink-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--soft);font-weight:700;color:var(--green-deep);}
.article-body a{
  color:var(--green);
  text-decoration:underline;
  text-underline-offset:2px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--orange);}
.article-body strong{font-weight:700;color:var(--green-deep);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{
  border:1px dashed var(--line);
  border-radius:var(--radius-m);
  background:var(--card);
  padding:64px 24px;
  text-align:center;
  color:var(--ink-2);
}
.article-empty p{font-size:17px;margin-bottom:18px;}

/* ============ 文末操作行 ============ */
.article-actions{
  max-width:760px;
  margin:36px auto 0;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 26px -18px rgba(228,85,43,.95);}
.btn-ghost{border:1.5px solid var(--green);color:var(--green);background:transparent;}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px);}
.btn[disabled]{opacity:.45;cursor:not-allowed;}
.share-hint{
  font-size:14px;
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.share-hint span.mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--green);
  font-size:13px;
  font-weight:700;
}

/* ============ 相关推荐 ============ */
.related-section{padding:64px 0 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:26px;
}
.section-head h2{
  font-size:clamp(21px,2.3vw,27px);
  color:var(--green-deep);
}
.section-head p{font-size:15px;color:var(--ink-2);}
.section-head .more{font-size:15px;font-weight:700;color:var(--green);border-bottom:2px solid var(--orange);padding-bottom:2px;}
.section-head .more:hover{color:var(--orange);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(22,70,58,.4);box-shadow:var(--shadow-hover);}
.thumb{
  position:relative;
  aspect-ratio:16/10;
  background:var(--soft);
  overflow:hidden;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:17px;line-height:1.45;}
.related-body p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.related-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--orange);
}
.related-link::after{content:"→";transition:transform .2s ease;}
.related-card:hover .related-link::after{transform:translateX(4px);}

/* ============ CTA ============ */
.cta-section{padding:72px 0 0;}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-l);
  background:var(--soft);
  border:1px solid var(--line);
  padding:48px;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:32px;
  align-items:center;
}
.cta-panel::before{
  content:"";
  position:absolute;
  left:-90px;bottom:-140px;
  width:300px;height:300px;
  border-radius:50%;
  border:1px solid rgba(22,70,58,.14);
  box-shadow:0 0 0 40px rgba(22,70,58,.05);
  pointer-events:none;
}
.cta-panel h2{position:relative;font-size:clamp(22px,2.4vw,30px);color:var(--green-deep);margin-bottom:14px;}
.cta-panel p{position:relative;color:var(--ink-2);font-size:16px;max-width:560px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--green-deep);
  color:#fff;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand p{
  margin-top:16px;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.74);
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:#fff;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.08);
  margin-bottom:16px;
}
.footer-col ul li{
  font-size:15px;
  color:rgba(255,255,255,.78);
  margin-bottom:10px;
  line-height:1.7;
}
.footer-col ul li a{color:rgba(255,255,255,.78);}
.footer-col ul li a:hover{color:var(--orange);}
.footer-info strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .site-header{padding:12px 16px 0;}
  .nav-pill{height:60px;padding:0 12px 0 18px;border-radius:16px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:0 24px 48px -28px rgba(21,26,23,.55);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:14px 12px;height:52px;display:flex;align-items:center;border-radius:10px;font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--soft);color:var(--green);}
  .nav-cta{margin-top:8px;height:48px;width:100%;}
  .article-hero-shell{padding:32px 26px 30px;}
  .article-body{font-size:16px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .crumbs-bar{padding-top:18px;}
  .related-grid{grid-template-columns:1fr;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .article-actions .btn{width:100%;}
  .share-hint{justify-content:center;}
  .related-section{padding-top:56px;}
  .cta-section{padding-top:56px;}
  .cta-panel{padding:30px 24px;}
  .site-footer{margin-top:64px;padding:48px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .logo-main{font-size:18px;}
  .logo-sub{font-size:10px;}
  .article-hero h1{font-size:24px;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .article-body h2{padding-left:14px;}
  .btn{width:100%;padding:0 20px;}
  .cta-actions{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#16463A;
  --ink-deep:#0E2E26;
  --accent:#E4552B;
  --accent-dark:#C8431F;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E2DFD6;
  --soft:#EEF1EA;
  --text:#151A17;
  --muted:#4A544E;
  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:24px;
  --shadow-card:0 18px 40px -24px rgba(21,26,23,.28);
  --shadow-card-hover:0 24px 52px -22px rgba(21,26,23,.42);
  --shadow-pill:0 10px 30px -18px rgba(21,26,23,.4);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.18;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ===== Header / 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  padding:16px 24px 0;
  pointer-events:none;
}
.nav-pill{
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 12px 0 24px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-pill);
  pointer-events:auto;
  transition:box-shadow .24s ease,background .24s ease;
}
.nav-pill.is-scrolled{box-shadow:0 16px 36px -18px rgba(21,26,23,.45);}
.logo{display:inline-flex;align-items:baseline;gap:6px;flex-wrap:wrap;line-height:1;}
.logo-main{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.logo-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 22px -14px rgba(228,85,43,.9);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
  background:var(--surface);cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 通用按钮 / 标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15.5px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 14px 26px -16px rgba(228,85,43,.95);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--soft);color:var(--ink);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.tag-accent{background:rgba(228,85,43,.1);color:var(--accent-dark);}
.badge{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:var(--soft);color:var(--ink);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}

/* ===== 主体框架 ===== */
main{padding-top:96px;display:block;}
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .badge{margin-bottom:14px;}
.section-title{font-size:clamp(24px,2.6vw,34px);}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ink);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}

/* ===== 面包屑 ===== */
.crumb{padding:18px 0 14px;font-size:13px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#B9B4A6;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb span[aria-current]{color:var(--ink);font-weight:600;}

/* ===== 缩略 Hero（左图右文） ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:8px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  border:1px solid rgba(22,70,58,.12);border-radius:50%;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-20px;width:320px;height:320px;
  border:1px solid rgba(22,70,58,.08);border-radius:50%;pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);
  gap:48px;align-items:center;position:relative;z-index:1;
}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--soft);aspect-ratio:4/3;
  box-shadow:0 26px 60px -34px rgba(21,26,23,.55);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media .hero-chip{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);border-radius:14px;
  padding:10px 16px;font-size:13px;font-weight:700;color:var(--ink);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-copy h1{
  font-size:clamp(30px,3.5vw,44px);
  margin:16px 0 18px;
  max-width:16em;
}
.hero-copy h1 em{font-style:normal;color:var(--ink);position:relative;white-space:nowrap;}
.hero-sub{color:var(--muted);font-size:17px;max-width:32em;margin-bottom:26px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;
  padding-top:24px;border-top:1px solid var(--line);
}
.hero-stat{padding-left:18px;border-left:1px solid var(--line);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat strong{display:block;font-size:27px;font-weight:800;color:var(--ink);line-height:1.1;}
.hero-stat strong small{font-size:13px;font-weight:700;color:var(--muted);margin-left:4px;}
.hero-stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ===== 分类概览：编号行 ===== */
.overview-list{border-top:1px solid var(--line);}
.overview-row{
  display:grid;grid-template-columns:88px minmax(0,240px) minmax(0,1fr);
  gap:24px;align-items:baseline;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.overview-row:hover{background:rgba(238,241,234,.55);}
.ov-num{font-size:15px;font-weight:800;color:var(--accent);letter-spacing:.08em;}
.ov-title{font-size:18px;font-weight:800;}
.ov-text{color:var(--muted);font-size:15.5px;line-height:1.8;}

/* ===== 要点区 2×2 交错图文 ===== */
.points{display:grid;gap:28px;}
.point-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(22,70,58,.4);}
.point-row.reverse .point-media{order:2;}
.point-media{
  border-radius:var(--radius-sm);overflow:hidden;background:var(--soft);
  aspect-ratio:16/10;
}
.point-media img{width:100%;height:100%;object-fit:cover;}
.point-body h3{font-size:20px;margin:12px 0 10px;}
.point-body p{color:var(--muted);font-size:15.5px;}
.point-body ul{margin-top:14px;display:grid;gap:8px;}
.point-body li{
  position:relative;padding-left:18px;font-size:15px;color:var(--text);
}
.point-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--accent);opacity:.85;
}

/* ===== 场馆资料表 ===== */
.table-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:640px;}
caption{
  text-align:left;padding:22px 24px 6px;font-size:13px;color:var(--muted);font-weight:600;
}
thead th{
  text-align:left;font-size:13.5px;font-weight:800;color:var(--ink);
  background:var(--soft);padding:14px 24px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
tbody td{
  padding:16px 24px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover td{background:rgba(238,241,234,.5);}
td .muted{color:var(--muted);font-size:14px;}

/* ===== 流程步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(22,70,58,.4);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:rgba(228,85,43,.12);color:var(--accent-dark);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.step::after{
  content:"";position:absolute;right:-11px;top:44px;width:22px;height:1px;
  background:var(--line);
}
.step:last-child::after{display:none;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(22,70,58,.35);}
.faq-item.is-open{border-color:rgba(22,70,58,.45);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--ink);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--ink);font-size:16px;font-weight:700;line-height:1;
  transition:background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--accent);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 22px 20px;color:var(--muted);font-size:15.5px;line-height:1.85;
  border-top:1px solid var(--line);padding-top:16px;margin-top:0;
}
.faq-item.is-open .faq-a{max-height:360px;}

/* ===== CTA ===== */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:48px;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:40px;align-items:center;
}
.cta-block::before{
  content:"";position:absolute;left:38%;top:-90px;width:340px;height:340px;
  border:1px solid rgba(22,70,58,.1);border-radius:50%;pointer-events:none;
}
.cta-copy h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:14px;}
.cta-copy p{color:var(--muted);font-size:15.5px;max-width:30em;}
.cta-form{
  position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:15px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(22,70,58,.13);
}
.field.has-error input,.field.has-error select{border-color:var(--accent);}
.field-tip{font-size:12.5px;color:var(--muted);margin-top:6px;}
.field-tip.is-error{color:var(--accent-dark);}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}
.form-success{
  display:none;margin-top:12px;font-size:14px;font-weight:700;color:var(--ink);
}
.form-success.is-visible{display:block;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-deep);color:#fff;margin-top:24px;}
.site-footer .container{padding-top:64px;padding-bottom:28px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:26em;}
.footer-brand .logo-main{color:#fff;font-size:20px;}
.footer-brand .logo-sub{color:rgba(255,255,255,.62);}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.86);
  padding-top:14px;border-top:1px solid rgba(255,255,255,.08);
  margin-bottom:16px;font-weight:700;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.74);font-size:15px;transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-info li{color:rgba(255,255,255,.74);font-size:14.5px;line-height:1.75;}
.footer-info strong{color:rgba(255,255,255,.92);font-weight:700;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .hero-grid{gap:36px;}
  .overview-row{grid-template-columns:64px minmax(0,200px) minmax(0,1fr);gap:18px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
}
@media (max-width:900px){
  .site-header{padding:14px 16px 0;}
  .nav-pill{border-radius:16px;height:auto;min-height:60px;padding:8px 10px 8px 18px;gap:12px;flex-wrap:wrap;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0 12px;
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{display:flex;align-items:center;height:52px;font-size:16px;padding:0 8px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--soft);color:var(--ink);}
  .nav-link:hover{background:var(--soft);}
  .nav-cta{height:48px;margin-top:8px;width:100%;}
  main{padding-top:84px;}
  .page-hero{padding-bottom:48px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:2;aspect-ratio:16/10;}
  .hero-copy{order:1;}
  .hero-copy h1{max-width:100%;}
  .section{padding:56px 0;}
  .point-row{grid-template-columns:1fr;gap:22px;padding:20px;}
  .point-row.reverse .point-media{order:0;}
  .cta-block{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .overview-row{grid-template-columns:40px minmax(0,1fr);gap:12px 14px;padding:22px 0;}
  .ov-text{grid-column:2;}
  .hero-stats{gap:18px;padding-top:20px;}
  .hero-stat{flex:1 1 130px;padding-left:14px;}
  .steps{grid-template-columns:1fr;}
  .section-head{margin-bottom:28px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a-inner{padding:14px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-block{padding:24px;}
  .cta-form{padding:20px;}
}
@media (max-width:520px){
  .hero-copy h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .btn{width:100%;height:50px;}
  .btn-row{flex-direction:column;}
  .hero-media .hero-chip{left:12px;bottom:12px;font-size:12px;padding:8px 12px;}
  .section{padding:48px 0;}
  .cta-block{padding:20px;}
  .table-card caption{padding:18px 16px 4px;}
  thead th,tbody td{padding:12px 16px;}
}

/* roulang page: category2 */
:root{
  --green:#16463A;
  --green-deep:#0E2E26;
  --orange:#E4552B;
  --orange-dark:#C8431F;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --soft:#EEF1EA;
  --line:#E2DFD6;
  --ink:#151A17;
  --ink-2:#4A544E;
  --r-sm:12px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow:0 18px 40px -24px rgba(21,26,23,.28);
  --shadow-lg:0 28px 60px -30px rgba(21,26,23,.42);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.18;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 24px 0}
.nav-pill{
  position:relative;
  max-width:1160px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  padding:0 10px 0 24px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 12px 30px -22px rgba(21,26,23,.55);
}
.logo{display:inline-flex;align-items:baseline;gap:4px;flex:none}
.logo-main{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--green);line-height:1}
.logo-sub{font-size:11px;font-weight:500;color:var(--ink-2);line-height:1}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:3px;
  border-radius:3px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--green);font-weight:700}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 24px;
  border-radius:999px;
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:0 10px 22px -14px rgba(228,85,43,.9);
}
.nav-cta:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(228,85,43,.85)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  flex:none;
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:var(--soft)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--green);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 16px 30px -18px rgba(228,85,43,.95)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 20px 34px -18px rgba(228,85,43,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--green);color:var(--green);background:transparent}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

/* ---------- 面包屑 / 标签 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{color:#A9B2AC}
.breadcrumb .current{color:var(--ink);font-weight:600}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--green);
  background:var(--soft);
  border:1px solid rgba(22,70,58,.12);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* ---------- Hero ---------- */
.hero{padding:40px 0 0}
.hero h1{
  font-size:clamp(32px,4.1vw,50px);
  line-height:1.16;
  max-width:17em;
}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-sub{
  margin-top:22px;
  max-width:62ch;
  font-size:17px;
  color:var(--ink-2);
  line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat{padding:0 34px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:0}
.stat-num{
  font-size:28px;
  font-weight:800;
  color:var(--green);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num span{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:5px;letter-spacing:0}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px}
.hero-media{
  position:relative;
  margin-top:52px;
  border-radius:var(--r-xl);
  overflow:hidden;
  aspect-ratio:21/9;
  background:var(--soft);
  border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,46,38,0) 50%,rgba(14,46,38,.52) 100%);
  pointer-events:none;
}
.media-tag{
  position:absolute;
  left:28px;bottom:24px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--green);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.9vw,34px)}
.section-head p{margin-top:16px;color:var(--ink-2);font-size:16px}

/* ---------- 概览编号行 ---------- */
.overview-list{border-top:1px solid var(--line)}
.overview-item{
  display:grid;
  grid-template-columns:72px 250px 1fr;
  gap:32px;
  align-items:start;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.overview-item:hover{padding-left:12px}
.overview-num{
  font-size:19px;
  font-weight:800;
  color:var(--orange);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  line-height:1.5;
}
.overview-item h3{font-size:18px;line-height:1.5}
.overview-item p{color:var(--ink-2);font-size:15.5px}

/* ---------- 标签 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:rgba(22,70,58,.45);color:var(--green);transform:translateY(-2px)}

/* ---------- 交错图文 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.feature-row + .feature-row{margin-top:72px}
.feature-row.is-reverse .feature-media{order:2}
.feature-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:16/11;
  background:var(--soft);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feature-media:hover img{transform:scale(1.03)}
.feature-body h3{font-size:clamp(20px,2.2vw,26px)}
.feature-body > p{margin-top:16px;color:var(--ink-2);font-size:16px}
.feature-list{margin-top:22px;display:grid;gap:10px}
.feature-list li{
  position:relative;
  padding-left:22px;
  font-size:15.5px;
  color:var(--ink);
}
.feature-list li::before{
  content:"";
  position:absolute;
  left:0;top:.68em;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--orange);
  opacity:.9;
}

/* ---------- 流程 ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.process-step{
  position:relative;
  padding-top:30px;
  border-top:1px solid var(--line);
}
.process-step::before{
  content:"";
  position:absolute;
  top:-6px;left:0;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 4px rgba(22,70,58,.1);
}
.step-num{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--orange)}
.process-step h3{margin-top:10px;font-size:18px;line-height:1.45}
.process-step p{margin-top:10px;font-size:15px;color:var(--ink-2)}

/* ---------- 数据条 ---------- */
.stat-band{
  background:var(--green-deep);
  color:#fff;
  border-radius:var(--r-xl);
  padding:52px 48px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px;
}
.band-item .num{
  font-size:38px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.band-item .num span{font-size:14px;font-weight:600;color:rgba(255,255,255,.68);margin-left:6px;letter-spacing:0}
.band-item p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:10px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(22,70,58,.3)}
.faq-item.is-open{border-color:rgba(22,70,58,.38);box-shadow:var(--shadow)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--green)}
.faq-icon{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--soft);
  color:var(--green);
  display:grid;
  place-items:center;
  font-size:17px;
  font-weight:700;
  line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--orange);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a-inner{padding:0 24px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);max-width:20em}
.cta-band p{margin-top:14px;color:var(--ink-2);max-width:40em;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(255,255,255,.9);
  margin-top:96px;
  padding:72px 0 32px;
  font-size:15px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:18px;color:rgba(255,255,255,.66);font-size:14.5px;line-height:1.85;max-width:30em}
.footer-col h4{
  font-size:13px;
  letter-spacing:.06em;
  font-weight:700;
  color:rgba(255,255,255,.62);
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.08);
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:rgba(255,255,255,.86);font-size:14.5px;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--orange)}
.footer-info li{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.75}
.footer-info strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding-top:72px}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .stat-band{padding:44px 32px;grid-template-columns:repeat(3,1fr);gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .feature-row{gap:40px}
  .overview-item{grid-template-columns:56px 200px 1fr;gap:24px}
}
@media (max-width:900px){
  .site-header{padding:12px 16px 0}
  .nav-pill{height:60px;border-radius:16px;padding:0 8px 0 16px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;
    left:0;right:0;
    top:calc(100% + 10px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow-lg);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{
    height:52px;
    display:flex;
    align-items:center;
    padding:0 14px;
    border-radius:12px;
    font-size:15.5px;
  }
  .nav-link::after{display:none}
  .nav-link:hover{background:var(--soft)}
  .nav-link.is-active{background:var(--soft);color:var(--green)}
  .nav-cta{margin:8px 0 4px;height:50px}
  .hero{padding-top:28px}
  .stat{padding:0 22px}
  .hero-media{aspect-ratio:16/10;margin-top:40px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.8}
  .section{padding-top:56px}
  .hero-stats{padding-top:22px;margin-top:36px}
  .stat{padding:0 18px}
  .stat:first-child{padding-left:0}
  .stat-num{font-size:24px}
  .overview-item{grid-template-columns:1fr;gap:8px;padding:22px 0}
  .overview-item:hover{padding-left:0}
  .overview-num{font-size:16px}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row.is-reverse .feature-media{order:0}
  .feature-row + .feature-row{margin-top:56px}
  .process-grid{grid-template-columns:1fr;gap:28px}
  .stat-band{grid-template-columns:1fr;padding:36px 24px;gap:28px}
  .band-item .num{font-size:32px}
  .cta-band{padding:36px 24px;gap:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 28px;margin-top:72px}
  .hero-media{border-radius:18px}
  .media-tag{left:16px;bottom:16px;font-size:13px;padding:8px 14px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px;font-size:15px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px 0}
  .stat{border-left:0;padding:0}
  .stat:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
  .hero-media{aspect-ratio:4/3}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}