/* roulang page: index */
:root{
  --ink:#0E1A1C;
  --ink-2:#223437;
  --accent:#E9552B;
  --accent-dark:#D2461F;
  --jade:#1C6E63;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E2DED7;
  --text:#1E2A2B;
  --muted:#5E6E73;
  --warn:#B4791F;
  --radius-card:16px;
  --radius-pill:999px;
  --radius-input:12px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(14,26,28,.04),0 8px 24px rgba(14,26,28,.06);
  --shadow-2:0 12px 32px rgba(14,26,28,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E9552B;
  --bs-primary-rgb:233,85,43;
  --bs-body-color:#1E2A2B;
  --bs-body-bg:#F6F4F0;
  --bs-border-color:#E2DED7;
  --bs-border-radius:16px;
  --bs-border-radius-sm:12px;
  --bs-border-radius-pill:999px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#E9552B;
  --bs-link-hover-color:#D2461F;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--accent-dark);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;text-wrap:balance;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.row-gutter{--bs-gutter-x:24px;--bs-gutter-y:24px;}
.num{font-family:"Inter","Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 通用元素 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--jade);
  background:rgba(28,110,99,.08);border-radius:var(--radius-pill);
  padding:6px 14px;line-height:1.4;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade);}
.section{padding:110px 0;}
.section--tight{padding:88px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-title{font-size:clamp(24px,3vw,34px);margin:16px 0 14px;font-weight:700;}
.section-lead{color:var(--muted);font-size:16px;line-height:1.8;}
.hairline{height:1px;background:var(--line);border:0;margin:0;}
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  border-radius:var(--radius-pill);padding:13px 30px;font-size:15px;font-weight:600;
  line-height:1;min-height:46px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-pill:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(233,85,43,.24);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  border-radius:var(--radius-pill);padding:13px 28px;font-size:15px;font-weight:600;
  line-height:1;min-height:46px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:rgba(14,26,28,.08);color:var(--ink);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--accent);
}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}
.badge-soft{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 12px;border-radius:var(--radius-pill);
  background:rgba(28,110,99,.10);color:var(--jade);font-weight:600;letter-spacing:.02em;
}
.meta-text{font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ============ 头部 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(246,244,240,0);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.site-header .header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;height:88px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,240,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:flex;flex-direction:column;line-height:1.2;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-main{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:36px;}
.site-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.site-nav a:hover{color:var(--ink);}
.site-nav a:hover::after{transform:scaleX(1);}
.site-nav a.is-active{color:var(--ink);font-weight:600;}
.site-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-cta{
  display:inline-flex;align-items:center;min-height:40px;padding:0 20px;
  border-radius:var(--radius-pill);background:var(--accent);color:#fff;
  font-size:14px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.header-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(233,85,43,.06);}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;padding:0;cursor:pointer;
  flex-direction:column;justify-content:center;gap:7px;align-items:center;
}
.nav-toggle i{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .2s var(--ease);}
body.nav-open .nav-toggle i:nth-child(1){transform:translateY(4.25px) rotate(45deg);}
body.nav-open .nav-toggle i:nth-child(2){transform:translateY(-4.25px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:170px 0 96px;min-height:78vh;display:flex;align-items:center;
  background:var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  opacity:.16;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(246,244,240,.96) 0%,rgba(246,244,240,.86) 45%,rgba(246,244,240,.60) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:center;}
.hero h1{
  font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  margin:22px 0 20px;
}
.hero-sub{
  font-size:clamp(16px,1.5vw,19px);color:var(--ink-2);line-height:1.7;max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:34px;}
.hero-note{margin-top:22px;font-size:13px;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-chip{
  position:absolute;left:-28px;bottom:28px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 22px;
  box-shadow:var(--shadow-2);min-width:190px;
}
.hero-chip .chip-num{font-size:34px;font-weight:800;color:var(--ink);line-height:1;}
.hero-chip .chip-num span{font-size:15px;font-weight:600;color:var(--jade);margin-left:4px;}
.hero-chip .chip-desc{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6;}

/* ============ 痛点提问 ============ */
.ask-list{border-top:1px solid var(--line);}
.ask-item{
  display:grid;grid-template-columns:64px 1fr;gap:24px;align-items:start;
  padding:30px 22px;border-bottom:1px solid var(--line);
  position:relative;transition:background .2s var(--ease);
}
.ask-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .22s var(--ease);
}
.ask-item:hover{background:var(--surface);}
.ask-item:hover::before{transform:scaleY(1);}
.ask-num{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.08em;padding-top:4px;}
.ask-q{font-size:19px;font-weight:600;color:var(--ink);}
.ask-a{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.75;}

/* ============ 方案卡片 ============ */
.solution-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:stretch;}
.card-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(233,85,43,.30);}
.card-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-body{padding:30px 32px 32px;}
.card-main h3{font-size:20px;margin:16px 0 12px;}
.card-main p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:20px;}
.side-cards{display:flex;flex-direction:column;gap:24px;}
.card-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 28px;flex:1;display:flex;flex-direction:column;
  border-top:2px solid var(--ink);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-side:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(233,85,43,.30);border-top-color:var(--accent);}
.card-side .side-index{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.1em;}
.card-side h3{font-size:18px;margin:12px 0 10px;}
.card-side p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.card-side .link-arrow{margin-top:auto;}

/* ============ 数据区 ============ */
.stats{background:var(--ink);color:#F6F4F0;padding:88px 0;}
.stats .section-title{color:#F6F4F0;}
.stats .section-lead{color:rgba(246,244,240,.72);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{
  padding:8px 32px;border-left:1px solid rgba(246,244,240,.16);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:clamp(40px,6vw,64px);font-weight:800;line-height:1;letter-spacing:-.02em;}
.stat-num small{font-size:16px;font-weight:600;color:#7FC5B8;margin-left:6px;letter-spacing:0;}
.stat-desc{margin-top:14px;font-size:14px;color:rgba(246,244,240,.66);line-height:1.6;}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.step{
  padding:32px 26px 32px 0;border-right:1px solid var(--line);position:relative;
}
.step:last-child{border-right:0;}
.step-num{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);}
.step h3{font-size:18px;margin:14px 0 10px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ============ 资讯列表 ============ */
.news-wrap{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:start;}
.news-feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(233,85,43,.30);}
.news-feature-media{display:block;overflow:hidden;}
.news-feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}
.news-feature-body{padding:28px 30px 30px;}
.news-feature-body h3{font-size:20px;margin:14px 0 12px;line-height:1.4;}
.news-feature-body h3 a{color:var(--ink);}
.news-feature-body h3 a:hover{color:var(--accent);}
.news-feature-body p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:16px;}
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:block;padding:20px 8px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.news-row:hover{background:var(--surface);padding-left:16px;}
.news-row .row-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;display:block;}
.news-row:hover .row-title{color:var(--accent);}
.news-row .row-meta{display:flex;align-items:center;gap:14px;margin-top:8px;}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:46px 30px;text-align:center;color:var(--muted);font-size:15px;background:var(--surface);
}
.news-empty a{font-weight:600;}

/* ============ FAQ ============ */
.faq{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;padding:24px 0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .22s var(--ease);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s var(--ease);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{font-size:15.5px;color:var(--muted);line-height:1.85;padding:0 40px 26px 0;}

/* ============ 表单与 CTA ============ */
.cta-block{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:48px 48px 44px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--ink-2);}
.field label .hint{font-weight:400;color:var(--muted);font-size:13px;}
.field input,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-input);
  padding:13px 16px;font-size:15px;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;background:var(--surface);border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(233,85,43,.18);
}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:4px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--accent);}
.check-row label{font-size:13px;color:var(--muted);line-height:1.7;font-weight:400;}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.75;margin:16px 0 18px;}
.form-msg{margin-top:16px;font-size:14px;font-weight:600;color:var(--jade);display:none;}
.form-msg.is-error{color:#C0392B;}
.cta-strip{
  margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--ink);border-radius:var(--radius-card);padding:30px 36px;color:#F6F4F0;
}
.cta-strip p{font-size:16px;line-height:1.7;color:rgba(246,244,240,.85);max-width:640px;}
.cta-strip .btn-pill{background:var(--accent);border-color:var(--accent);}

/* ============ 模态框 ============ */
.modal-content{
  background:var(--surface);border:0;border-radius:18px;box-shadow:var(--shadow-2);
  padding:8px;
}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px;}
.modal-title{font-size:19px;font-weight:700;color:var(--ink);}
.modal-body{padding:22px 24px 8px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 24px 20px;}
.modal-backdrop.show{opacity:.5;}
.btn-close{filter:grayscale(1);}
.modal .field input,.modal .field textarea{background:var(--surface);}
.modal .field input:focus,.modal .field textarea:focus{background:var(--surface);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(246,244,240,.78);padding:80px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;}
.footer-brand .f-logo{font-size:17px;font-weight:700;color:#F6F4F0;line-height:1.3;}
.footer-brand .f-logo small{display:block;font-size:11px;color:rgba(246,244,240,.5);letter-spacing:.14em;font-weight:400;margin-top:6px;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(246,244,240,.62);max-width:320px;}
.footer-col h4{font-size:14px;color:#F6F4F0;font-weight:600;margin-bottom:18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(246,244,240,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(246,244,240,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(246,244,240,.5);
}
.footer-bottom a{font-size:13px;color:rgba(246,244,240,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:44px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:40px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:0;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line);}
  .solution-grid,.news-wrap{grid-template-columns:1fr;}
}
@media (max-width:991px){
  .site-nav{
    position:fixed;inset:0;z-index:1001;background:var(--bg);
    flex-direction:column;justify-content:center;align-items:flex-start;gap:0;
    padding:0 32px;transform:translateX(100%);
    transition:transform .26s var(--ease);
  }
  .site-nav a{
    font-size:20px;font-weight:600;width:100%;padding:22px 0;
    border-bottom:1px solid var(--line);
  }
  .site-nav a::after{display:none;}
  .site-nav a.is-active{color:var(--accent);}
  .site-nav a.is-active::before{
    content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
    background:var(--accent);margin-right:12px;vertical-align:middle;
  }
  body.nav-open .site-nav{transform:translateX(0);}
  .nav-toggle{display:flex;position:relative;z-index:1002;}
  .header-cta{display:none;}
  .hero{padding:140px 0 80px;min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-media img{aspect-ratio:16/10;}
  .hero-chip{left:16px;bottom:-18px;}
  .section{padding:76px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:36px;}
  .ask-item{grid-template-columns:44px 1fr;gap:16px;padding:24px 14px;}
  .stats{padding:64px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat{padding:0 18px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:26px 0;}
  .step:last-child{border-bottom:0;}
  .cta-block{padding:32px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-strip{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-q{font-size:16px;}
  .faq-a-inner p{padding-right:0;}
  .modal-dialog{margin:0;align-items:flex-end;min-height:100%;}
  .modal-content{border-radius:18px 18px 0 0;}
}
@media (max-width:575px){
  .hero h1{font-size:32px;}
  .hero-actions{gap:16px;}
  .hero-actions .btn-pill,.hero-actions .btn-ghost{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{padding:0;border-left:0 !important;}
  .hero-chip{position:static;margin-top:18px;left:auto;bottom:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#0E1A1C;
  --ink-2:#223437;
  --accent:#E9552B;
  --accent-dark:#cf4520;
  --jade:#1C6E63;
  --paper:#F6F4F0;
  --card:#FFFFFF;
  --line:#E2DED7;
  --text:#1E2A2B;
  --muted:#5E6E73;
  --warn:#B4791F;
  --danger:#C0392B;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(14,26,28,.04), 0 8px 24px rgba(14,26,28,.06);
  --sh-2:0 12px 32px rgba(14,26,28,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E9552B;
  --bs-body-color:#1E2A2B;
  --bs-body-bg:#F6F4F0;
  --bs-border-color:#E2DED7;
  --bs-border-radius:16px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#E9552B;
  --bs-link-hover-color:#cf4520;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  text-align:left;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--accent-dark)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;text-wrap:balance}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,240,.72);
  backdrop-filter:saturate(160%) blur(8px);
  -webkit-backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{background:rgba(246,244,240,.9);border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(14,26,28,.02)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px;transition:min-height .22s var(--ease)}
.site-header.is-scrolled .header-inner{min-height:64px}
.logo{display:flex;flex-direction:column;gap:1px;line-height:1.15;color:var(--ink)}
.logo-main{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-sub{font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.site-nav{display:flex;align-items:center;gap:34px}
.site-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .18s var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.site-nav a:hover{color:var(--ink)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--accent)}
.site-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.header-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(233,85,43,.22)}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:transparent;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:var(--ink-2);stroke-width:1.5;stroke-linecap:round}
.icon-btn:hover{border-color:rgba(233,85,43,.5);background:rgba(233,85,43,.06)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:999px;background:transparent;cursor:pointer}
.nav-toggle i{display:block;width:16px;height:1.5px;background:var(--ink-2);margin:3px auto}
.nav-toggle i+ i{margin-top:4px}

/* ---------- article hero band ---------- */
.article-band{
  position:relative;background:var(--ink);color:var(--paper);overflow:hidden;
}
.article-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center right;
  opacity:.28;filter:grayscale(.15);
}
.article-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,26,28,.94) 22%,rgba(14,26,28,.62) 70%,rgba(14,26,28,.5) 100%);
}
.article-band-inner{position:relative;z-index:2;padding:34px 0 40px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;letter-spacing:.02em;color:rgba(246,244,240,.62);margin-bottom:18px}
.crumb a{color:rgba(246,244,240,.72)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{opacity:.5}
.article-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(233,85,43,.16);color:#FFB49C;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-title{
  color:#fff;font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25;
  letter-spacing:-.02em;margin:14px 0 18px;max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;color:rgba(246,244,240,.66);letter-spacing:.02em;
  border-top:1px solid rgba(246,244,240,.16);padding-top:14px;max-width:920px;
}

/* ---------- layout ---------- */
.article-main{padding:56px 0 0}
.article-body-wrap{min-width:0}
.article-figure{margin:0 0 34px}
.article-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);
}
.article-figure figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}

.article-body{font-size:17px;line-height:1.9;color:var(--text);max-width:760px}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(20px,2.3vw,25px);font-weight:700;margin:2.1em 0 .9em;
  padding-left:14px;border-left:3px solid var(--accent);line-height:1.35;
}
.article-body h3{font-size:20px;font-weight:600;margin:1.7em 0 .7em}
.article-body h4{font-size:17.5px;font-weight:600;margin:1.4em 0 .6em}
.article-body p{margin:0 0 1.1em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding:0}
.article-body li{position:relative;padding-left:22px;margin:0 0 .55em;line-height:1.9}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc;padding-left:30px}
.article-body ol li::before{
  content:counter(olc,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:2.4;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:#FBFAF7;
  border-left:3px solid var(--accent);border-radius:0 var(--r-input) var(--r-input) 0;
  color:var(--ink-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:1.4em 0}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:#FBFAF7;font-weight:600;color:var(--ink)}
.article-body code{background:#FBFAF7;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:15px}
.article-body pre{
  background:#FBFAF7;border:1px solid var(--line);border-radius:var(--r-input);
  padding:16px;overflow-x:auto;font-size:14.5px;line-height:1.7;margin:1.5em 0;
}
.article-body pre code{background:none;border:0;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.inline-cta{
  margin:2em 0;padding:24px 26px;background:#FBFAF7;border:1px solid var(--line);
  border-radius:var(--r-card);
}
.inline-cta h4{margin:0 0 8px;font-size:18px;color:var(--ink)}
.inline-cta p{margin:0 0 14px;font-size:15px;color:var(--muted);line-height:1.8}
.inline-cta .link-arrow{font-weight:600}

/* ---------- sidebar ---------- */
.side-col{min-width:0}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 18px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--ink);margin-bottom:14px}
.toc-list li{margin:0;border-top:1px solid var(--line)}
.toc-list li:first-child{border-top:0}
.toc-list a{
  display:block;padding:10px 0;font-size:14.5px;color:var(--ink-2);line-height:1.6;
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.toc-list a:hover{color:var(--accent);padding-left:5px}
.side-links li{border-top:1px solid var(--line)}
.side-links li:first-child{border-top:0}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink-2);transition:color .18s var(--ease);
}
.side-links a::after{content:"→";color:var(--accent);font-size:14px;transition:transform .18s var(--ease)}
.side-links a:hover{color:var(--accent)}
.side-links a:hover::after{transform:translateX(3px)}
.back-top{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--ink-2);font-size:14.5px;cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.back-top:hover{border-color:var(--ink);background:rgba(14,26,28,.05);color:var(--ink)}

/* ---------- article footer blocks ---------- */
.article-foot{max-width:760px;margin-top:44px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-bottom:22px}
.tag-row .tag-label{font-size:13px;color:var(--muted);letter-spacing:.04em;margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  background:rgba(28,110,99,.08);color:var(--jade);font-size:13px;font-weight:500;
}
.divider{height:1px;background:var(--line);border:0;margin:0}
.foot-nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:20px 0}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--accent)}
.link-arrow::after{content:"→";transition:transform .18s var(--ease)}
.link-arrow:hover::after{transform:translateX(4px)}
.foot-note{font-size:13.5px;color:var(--muted)}
.reco{padding:30px 0 0}
.reco h3{font-size:17px;margin-bottom:14px}
.reco-list li{border-top:1px solid var(--line)}
.reco-list li:first-child{border-top:0}
.reco-list a{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:14px 0;color:var(--ink-2);font-size:15.5px;transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.reco-list a span{font-size:13px;color:var(--muted);flex:0 0 auto}
.reco-list a:hover{color:var(--accent);padding-left:5px}

.empty-box{
  max-width:760px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 30px;box-shadow:var(--sh-1);
}
.empty-box h2{font-size:22px;margin-bottom:10px}
.empty-box p{color:var(--muted);margin-bottom:20px}

/* ---------- CTA / form ---------- */
.cta-section{padding:76px 0 0}
.cta-panel{
  background:var(--ink);color:var(--paper);border-radius:22px;
  padding:46px 44px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,85,43,.26),rgba(233,85,43,0) 68%);
}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:14px;position:relative;z-index:1}
.cta-panel p{color:rgba(246,244,240,.74);font-size:15.5px;line-height:1.85;position:relative;z-index:1;margin-bottom:16px}
.cta-points{position:relative;z-index:1}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(246,244,240,.82);padding:7px 0}
.cta-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px}
.lead-form{position:relative;z-index:1}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:rgba(246,244,240,.72);margin-bottom:7px;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;background:rgba(246,244,240,.06);border:1px solid rgba(246,244,240,.22);
  border-radius:var(--r-input);padding:12px 14px;font-size:15px;color:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,244,240,.38)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(246,244,240,.1);
  box-shadow:0 0 0 2px rgba(233,85,43,.18);
}
.field textarea{min-height:88px;resize:vertical}
.check-row{display:flex;align-items:flex-start;gap:9px;margin:6px 0 8px}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--accent);flex:0 0 auto}
.check-row label{font-size:13px;color:rgba(246,244,240,.7);line-height:1.7;margin:0}
.privacy-note{font-size:12px;color:rgba(246,244,240,.55);line-height:1.75;margin:0 0 14px}
.privacy-note a{color:rgba(246,244,240,.82);text-decoration:underline}
.btn-primary-pill{
  width:100%;height:48px;border:0;border-radius:999px;background:var(--accent);color:#fff;
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary-pill:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(233,85,43,.28)}
.form-msg{margin-top:12px;font-size:13.5px;min-height:20px;color:#FFB49C}
.form-msg.is-ok{color:#8FD8C8}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);margin-top:96px;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.f-logo{font-size:16.5px;font-weight:800;color:#fff;display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.f-logo small{font-size:11.5px;font-weight:400;color:rgba(246,244,240,.55);letter-spacing:.06em}
.footer-brand p{font-size:14px;color:rgba(246,244,240,.6);line-height:1.85;max-width:340px;margin:0}
.footer-col h4{font-size:13.5px;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(246,244,240,.66)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(246,244,240,.14);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(246,244,240,.5);
}
.footer-bottom a{color:rgba(246,244,240,.6)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .site-nav{gap:24px}
}
@media (max-width:991px){
  .site-nav{
    position:fixed;inset:0;background:var(--paper);z-index:80;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:0;padding:96px 24px 24px;transform:translateX(100%);
    transition:transform .26s var(--ease);overflow-y:auto;
  }
  .site-nav.is-open{transform:translateX(0)}
  .site-nav a{width:100%;font-size:20px;padding:18px 0;border-bottom:1px solid var(--line)}
  .site-nav a::after{display:none}
  .site-nav a.is-active{color:var(--accent)}
  .site-nav a.is-active::before{
    content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle;
  }
  .nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;align-items:center}
  .header-cta{display:none}
  .side-sticky{position:static}
  .cta-panel{grid-template-columns:1fr;padding:34px 26px;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .header-inner{min-height:64px}
  .logo-main{font-size:15.5px}
  .logo-sub{font-size:10.5px}
  .article-band-inner{padding:24px 0 30px}
  .article-main{padding:40px 0 0}
  .article-body{font-size:16.5px}
  .cta-section{padding:56px 0 0}
  .site-footer{margin-top:64px;padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .article-foot{margin-top:32px}
}
@media (max-width:419px){
  .logo-sub{display:none}
  .header-actions{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#0E1A1C;
  --ink-2:#223437;
  --accent:#E9552B;
  --accent-dark:#D1401A;
  --jade:#1C6E63;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E2DED7;
  --text:#1E2A2B;
  --muted:#5E6E73;
  --warn:#B4791F;
  --err:#C0392B;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,26,28,.04),0 8px 24px rgba(14,26,28,.06);
  --sh-2:0 12px 32px rgba(14,26,28,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --sp-section:110px;
  --bs-primary:#E9552B;
  --bs-primary-rgb:233,85,43;
  --bs-body-color:#1E2A2B;
  --bs-body-bg:#F6F4F0;
  --bs-border-color:#E2DED7;
  --bs-border-radius:16px;
  --bs-border-radius-sm:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#E9552B;
  --bs-link-hover-color:#D1401A;
}
*,*::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:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--ink);text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num,.data-num{font-family:"Inter","Helvetica Neue",Arial,system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,240,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(246,244,240,.94)}
.header-inner{display:flex;align-items:center;gap:28px;height:88px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;flex-direction:column;gap:2px;margin-right:auto;color:var(--ink);text-decoration:none}
.logo-main{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.2}
.logo-sub{font-size:11.5px;color:var(--muted);letter-spacing:.14em}
.site-nav{display:flex;align-items:center;gap:36px}
.site-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  text-decoration:none;padding:6px 0;transition:color .18s var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.site-nav a:hover{color:var(--ink)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--ink)}
.site-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.header-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.icon-btn{
  width:42px;height:42px;border:1px solid var(--line);border-radius:50%;
  background:transparent;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.icon-btn:hover{border-color:var(--accent);background:rgba(233,85,43,.06);color:var(--accent)}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.nav-toggle i{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] i:first-child{transform:translateY(3.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:last-child{transform:translateY(-3.75px) rotate(-45deg)}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);min-height:46vh;display:flex;align-items:center}
.page-hero-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:right center;
  opacity:.85;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,26,28,.95) 0%,rgba(14,26,28,.80) 42%,rgba(14,26,28,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:72px 24px 76px;max-width:900px}
.breadcrumb-row{display:flex;align-items:center;gap:8px;font-size:14px;letter-spacing:.02em;color:rgba(246,244,240,.62);margin-bottom:26px}
.breadcrumb-row a{color:rgba(246,244,240,.72);transition:color .18s var(--ease)}
.breadcrumb-row a:hover{color:var(--accent)}
.breadcrumb-row .sep{opacity:.5}
.page-hero h1{
  color:#F6F4F0;font-size:clamp(30px,4.2vw,48px);font-weight:800;line-height:1.18;
  letter-spacing:-.02em;margin-bottom:18px;
}
.page-hero-lead{color:rgba(246,244,240,.82);font-size:17px;line-height:1.8;max-width:660px}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;margin-bottom:20px;
}
.pill-jade{background:rgba(28,110,99,.28);color:#9BD3C8;border:1px solid rgba(155,211,200,.32)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(14,26,28,.08);color:var(--ink);transform:translateY(-2px)}
.btn-line-light{background:transparent;border-color:rgba(246,244,240,.45);color:#F6F4F0}
.btn-line-light:hover{background:rgba(246,244,240,.12);color:#fff;border-color:rgba(246,244,240,.7)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--accent)}
.text-link span{transition:transform .2s var(--ease)}
.text-link:hover span{transform:translateX(4px)}

/* ---------- Sections ---------- */
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:56px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--jade);text-transform:uppercase;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;margin-bottom:16px}
.section-desc{color:var(--muted);font-size:16.5px;line-height:1.8}

/* ---------- Flow steps ---------- */
.flow-list{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border-top:1px solid var(--line);
}
.flow-list li{
  padding:28px 22px 8px 0;border-right:1px solid var(--line);position:relative;
}
.flow-list li:last-child{border-right:0;padding-right:0}
.flow-list li::before{
  content:"";position:absolute;top:-1px;left:0;width:0;height:2px;background:var(--accent);
  transition:width .3s var(--ease);
}
.flow-list li:hover::before{width:calc(100% - 22px)}
.flow-num{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent);margin-bottom:14px}
.flow-list h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.4}
.flow-list p{color:var(--muted);font-size:15px;line-height:1.75}

/* ---------- Figure rows ---------- */
.fig-row{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center}
.fig-row + .fig-row{margin-top:96px}
.fig-row.is-reverse{grid-template-columns:6fr 5fr}
.fig-row.is-reverse .fig-media{order:2}
.fig-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.fig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.fig-media:hover img{transform:scale(1.03)}
.fig-text h3{font-size:22px;font-weight:600;margin-bottom:16px;letter-spacing:-.01em}
.fig-text p{color:var(--muted);font-size:16.5px;line-height:1.85;margin-bottom:14px}
.mini-list{margin-top:20px;border-top:1px solid var(--line)}
.mini-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--text)}
.mini-list li .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;margin-top:9px}

/* ---------- Check list ---------- */
.check-list{border-top:1px solid var(--line);max-width:900px}
.check-list li{
  display:grid;grid-template-columns:64px 1fr;gap:24px;padding:26px 18px 26px 0;
  border-bottom:1px solid var(--line);position:relative;transition:background .22s var(--ease);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease);
}
.check-list li:hover{background:var(--surface)}
.check-list li:hover::before{transform:scaleY(1)}
.check-list .idx{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--jade);padding-left:16px}
.check-list h3{font-size:18px;font-weight:600;margin-bottom:8px}
.check-list p{color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .22s var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-item summary .plus::before{left:0;right:0;top:10px;height:1.6px}
.faq-item summary .plus::after{top:0;bottom:0;left:10px;width:1.6px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 4px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:760px}

/* ---------- CTA & form ---------- */
.section-cta{background:var(--surface);border-top:1px solid var(--line)}
.cta-grid{display:grid;grid-template-columns:5fr 6fr;gap:64px;align-items:start}
.cta-copy h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;margin-bottom:18px}
.cta-copy p{color:var(--muted);font-size:16.5px;line-height:1.85;margin-bottom:22px}
.cta-points{border-top:1px solid var(--line);margin-bottom:32px}
.cta-points li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.cta-points li .dot{width:6px;height:6px;border-radius:50%;background:var(--jade);flex:0 0 auto;margin-top:9px}
.form-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.field{margin-bottom:20px}
.field label{display:flex;align-items:baseline;gap:8px;font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .hint{font-size:12.5px;font-weight:400;color:var(--muted)}
.field input[type="text"],
.field input[type="email"],
.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--surface);font-size:15.5px;line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{resize:vertical;min-height:110px}
.field input::placeholder,.field textarea::placeholder{color:#9AA6A9}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,85,43,.18);
}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:14px}
.check input{margin-top:5px;width:16px;height:16px;accent-color:var(--accent);flex:0 0 auto}
.privacy-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-bottom:18px}
.privacy-note a{color:var(--jade);text-decoration:underline;text-underline-offset:3px}

/* ---------- Modal ---------- */
.modal-content{
  background:var(--bg);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-2);padding:8px;
}
.modal-header{border-bottom:1px solid var(--line);padding:20px 22px}
.modal-title{font-size:18px;font-weight:700;color:var(--ink)}
.modal-body{padding:22px}
.modal-footer{border-top:1px solid var(--line);padding:16px 22px;gap:10px}
.btn-close{--bs-btn-close-focus-shadow:0 0 0 3px rgba(233,85,43,.18)}
.modal-backdrop.show{opacity:.5;background:var(--ink)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(246,244,240,.78);padding:72px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px}
.f-logo{font-size:17px;font-weight:700;color:#F6F4F0;margin-bottom:14px;display:flex;flex-direction:column;gap:4px}
.f-logo small{font-size:11.5px;font-weight:400;letter-spacing:.14em;color:rgba(246,244,240,.5)}
.footer-brand p{line-height:1.85;color:rgba(246,244,240,.66);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F4F0;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:rgba(246,244,240,.7);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(246,244,240,.14);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  color:rgba(246,244,240,.55);font-size:13.5px;
}
.footer-bottom a{color:rgba(246,244,240,.7)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  :root{--sp-section:88px}
  .fig-row{gap:40px}
  .cta-grid{gap:44px}
}
@media (max-width:991.98px){
  :root{--sp-section:72px}
  .site-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--bg);flex-direction:column;align-items:stretch;gap:0;
    padding:18px 24px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .site-nav.is-open{opacity:1;visibility:visible;transform:none}
  .site-nav a{width:100%;padding:18px 0 18px 18px;font-size:20px;border-bottom:1px solid var(--line)}
  .site-nav a::after{display:none}
  .site-nav a::before{
    content:"";position:absolute;left:0;top:50%;margin-top:-3px;width:6px;height:6px;border-radius:50%;
    background:var(--accent);opacity:0;transition:opacity .18s var(--ease);
  }
  .site-nav a.is-active::before{opacity:1}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .logo-sub{display:none}
  .flow-list{grid-template-columns:1fr 1fr}
  .flow-list li{border-right:0;border-bottom:1px solid var(--line);padding:24px 16px 24px 0}
  .flow-list li:nth-child(odd){border-right:1px solid var(--line);padding-right:20px}
  .fig-row,.fig-row.is-reverse{grid-template-columns:1fr;gap:28px}
  .fig-row.is-reverse .fig-media{order:0}
  .fig-row + .fig-row{margin-top:64px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767.98px){
  :root{--sp-section:60px}
  body{font-size:16.5px}
  .container{padding:0 18px}
  .header-inner{height:64px;gap:14px}
  .page-hero-inner{padding:52px 18px 56px}
  .page-hero{min-height:400px}
  .section-head{margin-bottom:36px}
  .hero-cta .btn{width:100%}
  .check-list li{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .check-list .idx{padding-left:0}
  .check-list li::before{top:8px;bottom:8px}
  .footer-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .modal-content{border-radius:18px 18px 0 0}
  .modal-dialog{margin:0;align-items:flex-end;min-height:calc(100% - 40px)}
}
@media (max-width:575.98px){
  .flow-list{grid-template-columns:1fr}
  .flow-list li:nth-child(odd){border-right:0;padding-right:0}
  .fig-text h3{font-size:20px}
  .btn{height:48px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --ink:#0E1A1C;
  --ink-2:#223437;
  --accent:#E9552B;
  --accent-deep:#D1461F;
  --jade:#1C6E63;
  --paper:#F6F4F0;
  --card:#FFFFFF;
  --line:#E2DED7;
  --text:#1E2A2B;
  --muted:#5E6E73;
  --warn:#B4791F;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(14,26,28,.04), 0 8px 24px rgba(14,26,28,.06);
  --sh-2:0 12px 32px rgba(14,26,28,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E9552B;
  --bs-body-color:#1E2A2B;
  --bs-border-color:#E2DED7;
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-deep)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;text-wrap:balance}
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{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--jade);
  background:rgba(28,110,99,.10);border-radius:var(--r-btn);
  padding:5px 14px;margin-bottom:18px;font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(246,244,240,.94);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:88px;transition:height .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,240,.88);
  border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;flex-direction:column;gap:2px;line-height:1.15}
.logo-main{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.logo-sub{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:38px}
.site-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .18s var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.site-nav a:hover{color:var(--accent)}
.site-nav a:hover::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--ink);font-weight:600}
.site-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  transition:background .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.header-cta:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1)}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:transparent;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(233,85,43,.06)}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  flex-direction:column;justify-content:center;align-items:center;gap:7px;cursor:pointer;
}
.nav-toggle i{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle[aria-expanded="true"] i:first-child{transform:translateY(4.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:last-child{transform:translateY(-4.25px) rotate(-45deg)}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--line)}
.breadcrumb .current{color:var(--ink-2)}

/* ---------- hero ---------- */
.hero{
  position:relative;margin-top:22px;
  min-height:46vh;display:flex;align-items:center;
  border-radius:var(--r-card);overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,26,28,.94) 0%,rgba(14,26,28,.86) 42%,rgba(14,26,28,.52) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 56px;max-width:760px}
.hero .pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-btn);padding:6px 16px;margin-bottom:20px;
}
.hero h1{
  color:#fff;font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;margin-bottom:18px;
}
.hero p.lead{color:rgba(246,244,240,.82);font-size:17px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:30px}
.btn-primary-c{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:16px;font-weight:600;border:1px solid var(--accent);
  transition:background .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn-primary-c:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(233,85,43,.28)}
.btn-ghost-c{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:transparent;color:#fff;font-size:16px;font-weight:600;border:1px solid rgba(255,255,255,.42);
  transition:background .2s var(--ease), border-color .2s var(--ease);
}
.btn-ghost-c:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--accent);
}
.text-link .arrow{transition:transform .2s var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}
.hero-note{margin-top:20px;font-size:13px;color:rgba(246,244,240,.62);letter-spacing:.02em}

/* ---------- numbered list ---------- */
.checklist{border-top:1px solid var(--line)}
.check-row{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;
  padding:32px 24px;border-bottom:1px solid var(--line);position:relative;
  transition:background .2s var(--ease);
}
.check-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform .22s var(--ease);
}
.check-row:hover{background:var(--card)}
.check-row:hover::before{transform:scaleY(1)}
.check-num{
  font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:800;color:rgba(14,26,28,.14);line-height:1;
}
.check-body h3{font-size:20px;font-weight:600;margin-bottom:10px}
.check-body p{color:var(--muted);font-size:16px;margin:0}

/* ---------- comparison table ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;min-width:640px}
table.cmp th,table.cmp td{
  padding:20px 24px;text-align:left;font-size:15.5px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.cmp thead th{
  background:#FBFAF7;font-weight:600;color:var(--ink);font-size:14px;letter-spacing:.04em;
}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td:first-child{font-weight:600;color:var(--ink-2);width:22%}
table.cmp td.good{color:var(--jade)}
table.cmp td.warn{color:var(--warn)}
.table-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split + .split{margin-top:88px}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .26s var(--ease);
}
.split-media:hover img{transform:scale(1.02)}
.split-media .media-tag{
  position:absolute;left:18px;bottom:18px;
  background:rgba(246,244,240,.94);border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:13px;color:var(--ink-2);padding:6px 14px;
}
.split-body h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:16px}
.split-body p{color:var(--muted);font-size:16px}
.split-body ul{margin:18px 0 22px}
.split-body ul li{
  position:relative;padding-left:20px;margin-bottom:10px;font-size:15.5px;color:var(--ink-2);
}
.split-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:1px;background:var(--accent);
}
.split.reverse .split-media{order:2}

/* ---------- faq ---------- */
.faq-list{max-width:820px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;padding:22px 44px 22px 0;
  text-align:left;font-size:17px;font-weight:600;color:var(--ink);position:relative;cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-plus{
  position:absolute;right:6px;top:50%;width:14px;height:14px;margin-top:-7px;
  transition:transform .22s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:0;top:50%;width:14px;height:1.5px;margin-top:-.75px;background:var(--accent);
}
.faq-plus::after{transform:rotate(90deg)}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 44px 24px 0}
.faq-a-inner p{font-size:15.5px;line-height:1.8;color:var(--muted)}

/* ---------- cta + form ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);border-radius:var(--r-card);
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:16px}
.cta-band p{color:rgba(246,244,240,.72);font-size:16px}
.cta-band .band-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px}
.band-btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;
  border-radius:var(--r-btn);background:var(--accent);color:#fff;font-weight:600;font-size:15px;border:1px solid var(--accent);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.band-btn:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px)}
.band-btn.ghost{background:transparent;border-color:rgba(246,244,240,.38);color:var(--paper)}
.band-btn.ghost:hover{background:rgba(246,244,240,.12);border-color:var(--paper);color:#fff}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field .hint{font-weight:400;color:var(--muted);font-size:13px}
.field input[type="text"],.field input[type="tel"],.field input[type="email"],.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;color:var(--text);background:#FDFCFA;
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 4px rgba(233,85,43,.18);
}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.check-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--accent);flex:0 0 auto}
.form-submit{
  width:100%;min-height:48px;border:1px solid var(--accent);border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:16px;font-weight:600;margin-top:8px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.form-submit:hover{background:var(--accent-deep);transform:translateY(-1px)}
.privacy-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:14px}
.form-status{
  display:none;margin-top:16px;font-size:14px;color:var(--jade);
  background:rgba(28,110,99,.08);border:1px solid rgba(28,110,99,.22);
  border-radius:var(--r-input);padding:12px 14px;
}
.form-status.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px}
.f-logo{font-size:17px;font-weight:800;color:#fff;display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.f-logo small{font-size:11px;letter-spacing:.14em;color:rgba(246,244,240,.55);font-weight:500}
.footer-brand p{font-size:14px;color:rgba(246,244,240,.66);max-width:330px;line-height:1.8}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:rgba(246,244,240,.72);transition:color .18s var(--ease)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(246,244,240,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,244,240,.55);
}
.footer-bottom a{color:rgba(246,244,240,.55)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{max-width:1000px}
  .site-nav{gap:28px}
}
@media (max-width:991.98px){
  .section{padding:76px 0}
  .split{gap:40px}
  .cta-band{grid-template-columns:1fr;gap:36px;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-inner{padding:52px 36px}
  .check-row{grid-template-columns:64px 1fr;padding:26px 12px}
  .check-num{font-size:30px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .header-inner{height:70px}
  .site-header.is-scrolled .header-inner{height:62px}
  .site-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:1050;
    background:var(--paper);flex-direction:column;align-items:flex-start;
    justify-content:flex-start;gap:0;padding:104px 24px 24px;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .site-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .site-nav a{width:100%;font-size:20px;padding:20px 0;border-bottom:1px solid var(--line)}
  .site-nav a::after{display:none}
  .site-nav a.is-active{color:var(--accent)}
  .site-nav a.is-active::before{
    content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
    background:var(--accent);margin-right:10px;vertical-align:middle;
  }
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .icon-btn{display:none}
  .logo-main{font-size:16px}
  .section{padding:60px 0}
  .section-head{margin-bottom:34px}
  .hero{min-height:auto;margin-top:16px}
  .hero-inner{padding:40px 24px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:56px}
  .check-row{grid-template-columns:1fr;gap:10px}
  .cta-band{padding:32px 24px;border-radius:var(--r-card)}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 24px;margin-top:64px}
}
@media (max-width:519.98px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .hero-actions{gap:14px}
  .btn-primary-c,.btn-ghost-c{width:100%}
  .band-actions .band-btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --ink:#0E1A1C;
  --ink-2:#223437;
  --accent:#E9552B;
  --accent-dark:#D1481F;
  --jade:#1C6E63;
  --paper:#F6F4F0;
  --card:#FFFFFF;
  --line:#E2DED7;
  --text:#1E2A2B;
  --muted:#5E6E73;
  --warn:#B4791F;
  --danger:#C0392B;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-sm:0 1px 2px rgba(14,26,28,.04),0 8px 24px rgba(14,26,28,.06);
  --shadow-lg:0 12px 32px rgba(14,26,28,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E9552B;
  --bs-body-color:#1E2A2B;
  --bs-body-bg:#F6F4F0;
  --bs-border-color:#E2DED7;
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:88px;
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1200px;}}
h1,h2,h3,h4{color:var(--ink);text-wrap:balance;margin:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:88px;display:flex;align-items:center;
  background:rgba(246,244,240,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{height:64px;background:rgba(246,244,240,.88);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.logo{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-main{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.logo-sub{font-size:12px;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:36px;}
.site-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .2s var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.site-nav a:hover{color:var(--accent);}
.site-nav a:hover::after{transform:scaleX(1);}
.site-nav a.is-active{color:var(--accent);}
.site-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.header-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1.5px solid var(--line);
  background:transparent;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(233,85,43,.06);}
.nav-toggle{
  display:none;width:40px;height:40px;border:0;background:transparent;padding:0;
  flex-direction:column;justify-content:center;gap:6px;cursor:pointer;
}
.nav-toggle i{display:block;height:1.5px;width:22px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease);}
body.nav-open .nav-toggle i:first-child{transform:translateY(3.75px) rotate(45deg);}
body.nav-open .nav-toggle i:last-child{transform:translateY(-3.75px) rotate(-45deg);}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--muted);letter-spacing:.02em;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{margin:0 8px;color:#B8C0BE;}
.crumb .now{color:var(--ink-2);}

/* ---------- Narrow hero ---------- */
.page-hero{
  position:relative;margin-top:22px;min-height:44vh;
  display:flex;align-items:center;padding:72px 0;
  background:
    linear-gradient(90deg,rgba(14,26,28,.94) 0%,rgba(14,26,28,.80) 44%,rgba(14,26,28,.46) 100%),
    url('/assets/images/backpic/back-2.webp') right center/cover no-repeat;
  color:var(--paper);
}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(246,244,240,.12);border:1px solid rgba(246,244,240,.22);
  font-size:13px;letter-spacing:.04em;color:#E7E2D9;margin-bottom:20px;
}
.page-hero .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.page-hero h1{
  color:#fff;font-size:clamp(32px,4.4vw,50px);font-weight:800;line-height:1.14;letter-spacing:-.02em;
  max-width:19em;
}
.page-hero p{color:#D8D3CA;font-size:17px;line-height:1.8;max-width:44em;margin-top:18px;}

/* ---------- Anchor index ---------- */
.quick-index{padding:52px 0 0;}
.quick-index .qi-label{font-size:13px;letter-spacing:.12em;color:var(--muted);margin-bottom:16px;}
.qi-row{display:flex;flex-wrap:wrap;gap:12px;}
.qi-row a{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);color:var(--ink-2);font-size:14.5px;font-weight:500;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.qi-row a .n{font-size:12px;color:var(--jade);font-variant-numeric:tabular-nums;}
.qi-row a:hover{color:var(--accent);border-color:rgba(233,85,43,.35);transform:translateY(-2px);box-shadow:var(--shadow-sm);}

/* ---------- Section base ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .kicker{
  display:block;font-size:13px;letter-spacing:.14em;color:var(--jade);margin-bottom:14px;font-weight:600;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.section-head p{color:var(--muted);font-size:16.5px;margin-top:14px;}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- FAQ group ---------- */
.faq-group{max-width:820px;}
.faq-group + .faq-group{margin-top:64px;}
.faq-group h3{
  font-size:20px;font-weight:600;color:var(--ink);margin-bottom:8px;
  display:flex;align-items:center;gap:12px;
}
.faq-group h3 .idx{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--jade);
  background:rgba(28,110,99,.10);border-radius:6px;padding:4px 9px;
}
.faq-group .group-note{font-size:15px;color:var(--muted);margin:0 0 18px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:4px;
  transition:transform .22s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-q .plus::before{left:0;top:10px;width:22px;height:1.6px;}
.faq-q .plus::after{left:10px;top:0;width:1.6px;height:22px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a-inner{padding:0 46px 26px 0;color:var(--muted);font-size:15.5px;line-height:1.85;}
.faq-a-inner strong{color:var(--ink-2);font-weight:600;}
.faq-a-inner ul{margin:10px 0 0;}
.faq-a-inner li{position:relative;padding-left:16px;margin-bottom:6px;}
.faq-a-inner li::before{
  content:"";position:absolute;left:0;top:12px;width:5px;height:5px;background:var(--accent);border-radius:1px;
}

/* ---------- Timeline ---------- */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start;}
.tl-figure{margin:0;}
.tl-figure img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.tl-figure figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:12px;line-height:1.7;}
.timeline{border-top:1px solid var(--line);}
.tl-row{
  display:grid;grid-template-columns:118px minmax(0,1fr);gap:24px;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.tl-row:hover{background:var(--card);}
.tl-date{
  font-size:14px;color:var(--jade);font-weight:600;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;padding-top:2px;
}
.tl-body h4{font-size:17px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- CTA / form ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);border-radius:var(--radius-card);
  padding:56px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;
}
.cta-band h2{color:#fff;font-size:clamp(23px,2.6vw,30px);font-weight:700;line-height:1.3;}
.cta-band .cta-p{color:#C9C4BB;font-size:16px;margin-top:16px;line-height:1.8;}
.cta-band .cta-points{margin-top:26px;border-top:1px solid rgba(246,244,240,.16);}
.cta-band .cta-points li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px solid rgba(246,244,240,.12);
  font-size:14.5px;color:#D8D3CA;
}
.cta-band .cta-points li span{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}
.contact-form{background:var(--card);border-radius:var(--radius-card);padding:32px;}
.contact-form .field{margin-bottom:18px;}
.contact-form label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.contact-form label .opt{font-weight:400;color:var(--muted);font-size:13px;}
.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#FCFBF9;color:var(--text);font-size:15px;line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.contact-form textarea{resize:vertical;min-height:96px;}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(233,85,43,.18);
}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7;}
.consent input{margin-top:4px;flex:0 0 auto;width:16px;height:16px;accent-color:var(--accent);}
.consent a{text-decoration:underline;text-underline-offset:2px;}
.privacy-note{font-size:12px;color:var(--muted);line-height:1.75;margin:14px 0 16px;}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;width:100%;height:48px;
  border:0;border-radius:999px;background:var(--accent);color:#fff;font-size:15.5px;font-weight:600;
  cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-primary-solid:hover{background:var(--accent-dark);transform:translateY(-1px);}
.form-msg{font-size:14px;margin-top:14px;display:none;}
.form-msg.ok{display:block;color:var(--jade);}
.form-msg.err{display:block;color:var(--danger);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9C4BB;margin-top:96px;padding:72px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.4fr));gap:48px;}
.f-logo{color:#fff;font-size:17px;font-weight:700;display:flex;flex-direction:column;line-height:1.3;margin-bottom:16px;}
.f-logo small{font-size:12px;font-weight:400;color:#8E9A99;letter-spacing:.06em;margin-top:5px;}
.footer-brand p{color:#9AA5A4;line-height:1.8;max-width:32em;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:#9AA5A4;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(246,244,240,.14);
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8E9A99;
}
.footer-bottom a{color:#8E9A99;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .site-nav{gap:26px;}
  .timeline-wrap{gap:36px;}
}
@media (max-width:991px){
  body{padding-top:76px;}
  .site-header{height:76px;}
  .site-header.is-scrolled{height:64px;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .site-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:1029;
    background:var(--paper);flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:110px 24px 40px;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .site-nav{opacity:1;visibility:visible;transform:none;}
  .site-nav a{
    font-size:20px;font-weight:600;padding:20px 0;border-bottom:1px solid var(--line);
    display:flex;align-items:center;gap:12px;
  }
  .site-nav a::after{display:none;}
  .site-nav a.is-active::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;
  }
  .page-hero{min-height:38vh;padding:56px 0;}
  .section{padding:72px 0;}
  .timeline-wrap{grid-template-columns:1fr;gap:40px;}
  .tl-figure img{aspect-ratio:16/9;}
  .cta-band{grid-template-columns:1fr;gap:36px;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:58px 0;}
  .quick-index{padding:38px 0 0;}
  .page-hero{padding:48px 0;min-height:34vh;}
  .page-hero p{font-size:16px;}
  .faq-a-inner{padding-right:8px;}
  .tl-row{grid-template-columns:1fr;gap:8px;}
  .contact-form{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}