/* roulang page: index */
:root{
  --ink:#14171A;
  --ink-2:#2E343A;
  --ink-3:#5B6469;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --accent:#F0532B;
  --accent-dark:#C43C18;
  --teal:#1C7F72;
  --r-card:14px;
  --r-form:16px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,26,.06),0 8px 24px -12px rgba(20,23,26,.18);
  --shadow-2:0 10px 30px -14px rgba(20,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28;color:var(--ink);}
:focus-visible{outline:3px solid rgba(240,83,43,.35);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(240,83,43,.18);}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px;}
.sec-head .lead{max-width:38em;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--accent);margin-bottom:14px;
}
.h2{font-size:clamp(24px,2.6vw,36px);}
.sec-desc{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-3);max-width:40em;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-input);
  font-size:15px;font-weight:500;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-solid{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(240,83,43,.95);}
.btn-solid:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-solid:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-line:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px);}
.btn-line:active{transform:translateY(0);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;padding:16px 0 0;}
.nav-shell{
  width:calc(100% - 48px);max-width:1200px;margin:0 auto;
  height:64px;display:flex;align-items:center;gap:18px;
  padding:0 10px 0 20px;border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(20,23,26,.08);
  box-shadow:0 1px 2px rgba(20,23,26,.04);
  transition:height .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-compact .nav-shell{height:56px;box-shadow:var(--shadow-1);background:rgba(247,245,240,.94);}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:var(--ink);color:#F7F5F0;
  display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:-.04em;
}
.brand-text strong{display:block;font-size:16px;font-weight:800;line-height:1.2;letter-spacing:-.01em;}
.brand-text em{display:block;font-style:normal;font-size:11px;line-height:1.5;color:var(--ink-3);letter-spacing:.05em;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:0;height:3px;border-radius:2px;background:var(--accent);
  transition:width .26s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(20,23,26,.045);}
.nav-link:active{background:rgba(20,23,26,.08);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{width:18px;}
.nav-cta{flex:none;height:40px;padding:0 20px;border-radius:var(--r-pill);font-size:14.5px;}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;margin-left:auto;flex:none;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  grid-auto-flow:row;place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.6px;border-radius:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}
.mobile-panel{display:none;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 40px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:560px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:24px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:12px;letter-spacing:.08em;color:var(--ink-3);
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.hero h1{font-size:clamp(30px,4.2vw,54px);line-height:1.16;}
.hero-sub{margin:24px 0 34px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:32em;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-1);
}
.hero-stat{
  position:absolute;left:-20px;bottom:26px;
  display:flex;gap:22px;padding:16px 20px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-2);
}
.hero-stat b{display:block;font-size:20px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stat span{display:block;margin-top:4px;font-size:11px;letter-spacing:.05em;color:var(--ink-3);line-height:1.4;}

/* ---------- 指标看板 ---------- */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{position:relative;padding:44px 26px;border-left:1px solid var(--line);}
.metric:first-child{border-left:0;padding-left:0;}
.metric b{
  display:block;font-size:clamp(36px,4vw,52px);font-weight:800;line-height:1.08;
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;
  transition:color .22s var(--ease);
}
.metric span{display:block;margin-top:12px;font-size:13px;letter-spacing:.05em;color:var(--ink-3);line-height:1.6;}
.metric::after{
  content:"";position:absolute;left:26px;bottom:-1px;width:0;height:2px;border-radius:2px;
  background:var(--accent);transition:width .32s var(--ease);
}
.metric:first-child::after{left:0;}
.metric:hover b{color:var(--accent);}
.metric:hover::after{width:44px;}

/* ---------- 服务矩阵 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(240,83,43,.38);}
.svc-main{grid-column:span 6;display:flex;flex-direction:column;}
.svc-small{grid-column:span 3;display:flex;flex-direction:column;padding:28px 26px;}
.svc-wide{grid-column:span 8;display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch;}
.svc-narrow{grid-column:span 4;display:flex;flex-direction:column;padding:28px 26px;}
.svc-media{overflow:hidden;aspect-ratio:16/9;background:#EDEAE3;}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.svc-main:hover .svc-media img,.svc-wide:hover .svc-media img{transform:scale(1.03);}
.svc-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.svc-wide .svc-media{aspect-ratio:auto;height:100%;min-height:220px;}
.svc-wide .svc-body{padding:32px 30px;}
.icon-box{
  width:44px;height:44px;border-radius:12px;flex:none;
  display:grid;place-items:center;margin-bottom:18px;
  background:rgba(240,83,43,.09);color:var(--accent);
}
.svc-title{font-size:18px;line-height:1.45;margin-bottom:10px;}
.svc-desc{font-size:14px;line-height:1.8;color:var(--ink-3);}
.card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:20px;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.card:hover .card-link{color:var(--accent);gap:10px;}

/* ---------- 结果对比 ---------- */
.compare-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.compare-note{
  margin-top:26px;padding:18px 20px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;line-height:1.8;color:var(--ink-3);
}
.cmp-row{margin-bottom:30px;}
.cmp-row:last-child{margin-bottom:0;}
.cmp-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:12px;}
.cmp-name{font-size:15px;font-weight:600;color:var(--ink);}
.cmp-delta{font-size:13px;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;}
.cmp-track{height:8px;border-radius:999px;background:var(--line);overflow:hidden;margin-bottom:8px;}
.cmp-track i{display:block;height:100%;border-radius:999px;transition:width .6s var(--ease);}
.cmp-before i{background:#D6D1C6;}
.cmp-after i{background:var(--accent);}
.cmp-legend{display:flex;gap:20px;margin-bottom:26px;font-size:12px;letter-spacing:.05em;color:var(--ink-3);}
.cmp-legend span{display:inline-flex;align-items:center;gap:7px;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;}
.dot-gray{background:#D6D1C6;}
.dot-orange{background:var(--accent);}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-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);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(240,83,43,.38);}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#EDEAE3;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.badge-teal{
  display:inline-block;align-self:flex-start;margin-bottom:12px;
  padding:3px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(28,127,114,.42);color:var(--teal);
  font-size:12px;letter-spacing:.04em;line-height:1.7;
}
.post-title{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a{transition:color .2s var(--ease);}
.post-card:hover .post-title a{color:var(--accent);}
.post-desc{font-size:14px;line-height:1.75;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:20px;
}
.post-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.post-arrow{
  width:30px;height:30px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:14px;
  border:1px solid var(--line);color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.post-arrow:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.post-empty{
  grid-column:1/-1;min-height:200px;padding:36px 24px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;color:var(--ink-3);font-size:14px;
}
.post-empty svg{color:#C9C3B6;}
.post-empty a{color:var(--accent);font-weight:600;}
.post-empty a:hover{text-decoration:underline;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;}
.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:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;background:none;border:0;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  position:relative;width:24px;height:24px;flex:none;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:background .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{width:13px;height:1.7px;}
.faq-icon::after{width:1.7px;height:13px;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-item.open .faq-q{color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a-inner{padding:0 60px 24px 4px;font-size:15px;line-height:1.85;color:var(--ink-3);}

/* ---------- 转化表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-form);
  padding:40px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field-full{grid-column:1/-1;}
.field label{display:block;font-size:13px;letter-spacing:.04em;color:var(--ink-2);margin-bottom:8px;font-weight:500;}
.field label.req::after{
  content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--accent);margin-left:7px;vertical-align:middle;
}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#FDFCFA;color:var(--ink);font-size:16px;font-family:inherit;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
  appearance:none;
}
.field select{background-image:linear-gradient(45deg,transparent 50%,#8A9196 50%),linear-gradient(135deg,#8A9196 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field textarea{height:auto;min-height:124px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 3px rgba(240,83,43,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#9A9F9F;}
.form-submit{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px;}
.form-submit .btn{min-width:180px;}
.form-note{font-size:12px;line-height:1.75;color:var(--ink-3);margin-top:16px;}
.form-alert{
  grid-column:1/-1;display:none;align-items:center;gap:10px;
  padding:12px 16px;border-radius:10px;font-size:14px;
  background:rgba(28,127,114,.08);color:var(--teal);
  border:1px solid rgba(28,127,114,.28);
}
.form-alert.show{display:flex;}
.contact-list{margin-top:30px;display:grid;gap:16px;}
.contact-item{display:flex;gap:14px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.7;}
.contact-item b{display:block;font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;margin-bottom:2px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#EDEAE3;padding-top:72px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.f-brand .brand-mark{background:#F7F5F0;color:var(--ink);}
.f-brand strong{font-size:17px;font-weight:800;color:#F7F5F0;letter-spacing:-.01em;}
.f-about{font-size:14px;line-height:1.85;color:rgba(237,234,227,.66);max-width:26em;}
.f-title{font-size:13px;letter-spacing:.12em;color:rgba(237,234,227,.5);font-weight:600;margin-bottom:18px;}
.f-links a{display:block;padding:5px 0;font-size:14px;color:rgba(237,234,227,.82);transition:color .2s var(--ease),transform .2s var(--ease);}
.f-links a:hover{color:var(--accent);transform:translateX(2px);}
.f-contact p{font-size:14px;line-height:1.9;color:rgba(237,234,227,.82);}
.f-contact span{color:rgba(237,234,227,.5);font-size:12.5px;letter-spacing:.05em;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,234,227,.55);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .svc-wide .svc-body{padding:26px 24px;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-shell{width:calc(100% - 32px);padding:0 8px 0 16px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:grid;}
  .mobile-panel{
    display:block;width:calc(100% - 32px);max-width:1200px;margin:10px auto 0;
    background:rgba(247,245,240,.97);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border:1px solid rgba(20,23,26,.08);border-radius:16px;
    box-shadow:var(--shadow-2);overflow:hidden;max-height:0;
    transition:max-height .32s var(--ease);
  }
  .mobile-panel.open{max-height:340px;}
  .mobile-panel a{
    display:block;padding:15px 20px;font-size:15px;color:var(--ink-2);
    border-bottom:1px solid var(--line);
    opacity:0;transform:translateY(-6px);
    transition:opacity .26s var(--ease),transform .26s var(--ease),color .2s var(--ease);
  }
  .mobile-panel a:last-child{border-bottom:0;}
  .mobile-panel.open a{opacity:1;transform:none;}
  .mobile-panel.open a:nth-child(1){transition-delay:.04s;}
  .mobile-panel.open a:nth-child(2){transition-delay:.08s;}
  .mobile-panel.open a:nth-child(3){transition-delay:.12s;}
  .mobile-panel a.active{color:var(--accent);font-weight:700;}
  .hero{padding:44px 0 24px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .hero-visual{order:2;}
  .hero-stat{left:12px;bottom:12px;gap:16px;padding:12px 16px;}
  .hero-stat b{font-size:17px;}
  .svc-main,.svc-small,.svc-wide,.svc-narrow{grid-column:span 6;}
  .svc-wide{grid-template-columns:1fr;}
  .svc-wide .svc-media{aspect-ratio:16/9;height:auto;min-height:0;}
  .compare-wrap{grid-template-columns:1fr;gap:36px;}
  .contact-wrap{grid-template-columns:1fr;gap:36px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .shell{padding:0 16px;}
  .hero h1{font-size:clamp(28px,7vw,36px);}
  .hero-sub{font-size:15.5px;margin:20px 0 28px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric{padding:28px 18px;border-left:1px solid var(--line);}
  .metric:nth-child(odd){border-left:0;padding-left:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0;}
  .metric:nth-child(3),.metric:nth-child(4){border-top:1px solid var(--line);}
  .metric::after{left:18px;}
  .metric:nth-child(odd)::after{left:0;}
  .metric b{font-size:34px;}
  .svc-main,.svc-small,.svc-wide,.svc-narrow{grid-column:span 12;}
  .post-grid{grid-template-columns:1fr;}
  .faq-a-inner{padding-right:20px;}
  .faq-q{font-size:16px;padding:20px 2px;}
  .form-card{padding:24px;}
  .form-grid{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stat{position:static;margin-top:16px;justify-content:space-between;left:auto;bottom:auto;}
  .form-submit{flex-direction:column;align-items:stretch;}
  .form-submit .btn{width:100%;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#14171A;
  --ink-2:#2E343A;
  --ink-3:#5B6469;
  --sand:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --line-soft:#EFEBE2;
  --orange:#F0532B;
  --orange-dark:#C43C18;
  --teal:#1C7F72;
  --r-card:14px;
  --r-form:16px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.06),0 8px 24px -12px rgba(20,23,26,.18);
  --sh-2:0 10px 30px -14px rgba(20,23,26,.28);
  --sec:96px;
  --font:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(240,83,43,.35);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(240,83,43,.18);}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);border-radius:2px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding-top:16px;}
.nav-pill{
  position:relative;
  display:flex;align-items:center;gap:18px;
  height:64px;
  padding:0 12px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(20,23,26,.08);
  box-shadow:0 1px 2px rgba(20,23,26,.04);
  transition:height .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background .22s ease;
}
.site-header.is-scrolled .nav-pill{
  height:56px;
  box-shadow:var(--sh-2);
  background:rgba(247,245,240,.94);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--sand);
  display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.brand-sub{font-size:10px;letter-spacing:.14em;color:var(--ink-3);font-weight:500;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);
  transition:background .16s ease,color .16s ease;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(20,23,26,.055);color:var(--ink);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;
  height:3px;border-radius:2px;background:var(--orange);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--orange);color:#fff;
  font-size:14px;font-weight:600;letter-spacing:.02em;
  transition:background .16s ease,transform .16s cubic-bezier(.2,.7,.3,1);
  flex-shrink:0;
}
.nav-cta:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:40px;height:40px;margin-left:auto;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  color:var(--ink);
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-input);
  font-size:15px;font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s cubic-bezier(.2,.7,.3,1);
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;
}
.link-arrow::after{content:"→";transition:transform .2s ease;font-weight:500;}
.link-arrow:hover{color:var(--orange);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- 面包屑与文章头部 ---------- */
.article-head{padding:48px 0 0;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.crumbs a{color:var(--ink-3);transition:color .15s ease;}
.crumbs a:hover{color:var(--orange);text-decoration:underline;}
.crumbs .sep{color:#C9C3B7;}
.crumbs .current{color:var(--ink);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.head-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  margin-top:28px;
  border:1px solid rgba(28,127,114,.45);
  border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;
  color:var(--teal);font-weight:600;
  background:rgba(28,127,114,.06);
}
.article-title{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-top:18px;
  max-width:20ch;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;
  font-size:13px;color:var(--ink-3);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-label{
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:#8A918F;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D3CDC0;}
.share-chip{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--card);
  font-size:12px;color:var(--ink-3);
}
.share-chip:hover{border-color:var(--orange);color:var(--orange);}
.rule{
  height:1px;background:var(--line);
  margin-top:32px;
}

/* ---------- 正文 ---------- */
.article-wrap{padding:44px 0 var(--sec);}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
}
.article-body p{margin-bottom:20px;}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);
  margin:42px 0 16px;
  padding-left:15px;
  line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:3px;height:20px;border-radius:2px;background:var(--orange);
}
.article-body h3{
  font-size:20px;font-weight:700;color:var(--ink);
  margin:30px 0 12px;line-height:1.5;
}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body a{color:var(--teal);border-bottom:1px solid rgba(28,127,114,.32);transition:border-color .16s ease,color .16s ease;}
.article-body a:hover{color:var(--orange);border-bottom-color:rgba(240,83,43,.5);}
.article-body img{width:100%;height:auto;border-radius:12px;margin:10px 0 6px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  border-left:3px solid var(--orange);
  background:#FBF9F4;
  border-radius:0 10px 10px 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul{list-style:none;padding-left:20px;margin-bottom:20px;}
.article-body ul li{position:relative;margin-bottom:9px;}
.article-body ul li::before{
  content:"";position:absolute;left:-14px;top:.78em;
  width:5px;height:5px;border-radius:50%;background:var(--orange);
}
.article-body ol{list-style:none;counter-reset:artol;padding-left:24px;margin-bottom:20px;}
.article-body ol li{position:relative;counter-increment:artol;margin-bottom:9px;}
.article-body ol li::before{
  content:counter(artol)"";
  position:absolute;left:-24px;top:.15em;
  font-size:12px;font-weight:700;color:var(--orange);
  width:18px;height:18px;line-height:18px;text-align:center;
  border:1px solid rgba(240,83,43,.35);border-radius:50%;
  font-variant-numeric:tabular-nums;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:15px;background:var(--card);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--ink);color:#fff;font-weight:600;
  text-align:left;padding:13px 16px;font-size:14px;letter-spacing:.02em;
}
.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--line-soft);
  color:var(--ink-2);vertical-align:top;
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:hover td{background:#FBFAF6;}

.empty-state{
  max-width:760px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  padding:48px 32px;
  text-align:center;
}
.empty-state .empty-ico{
  width:52px;height:52px;margin:0 auto 18px;
  border-radius:14px;background:#FBF6F1;color:var(--orange);
  display:grid;place-items:center;font-size:22px;font-weight:800;
}
.empty-state h2{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--ink-3);margin-bottom:22px;}

/* ---------- 标签行 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  max-width:760px;
  margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#8A918F;margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 13px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--card);
  font-size:13px;color:var(--ink-3);
  transition:border-color .15s ease,color .15s ease,background .15s ease;
}
.tag:hover{border-color:var(--orange);color:var(--orange);background:#FDF7F4;}

/* ---------- 返回区 ---------- */
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  max-width:760px;margin-top:32px;
}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--sec);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.3;
}
.sec-head p{font-size:14px;color:var(--ink-3);margin-top:8px;max-width:52ch;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(240,83,43,.45);box-shadow:var(--sh-2);}
.post-card .thumb{
  aspect-ratio:16/9;width:100%;object-fit:cover;background:#EDE9E0;
  transition:transform .3s ease;
}
.post-card:hover .thumb{transform:scale(1.03);}
.thumb-wrap{overflow:hidden;}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.badge-cat{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;width:fit-content;
  border:1px solid rgba(28,127,114,.45);
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--teal);
  background:rgba(28,127,114,.06);
  letter-spacing:.03em;
}
.post-title{
  font-size:18px;font-weight:700;line-height:1.55;color:var(--ink);
  margin:12px 0 8px;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-desc{
  font-size:14px;line-height:1.75;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#8A918F;
}
.post-foot .go{color:var(--ink);font-weight:600;transition:color .16s ease;}
.post-card:hover .post-foot .go{color:var(--orange);}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--ink);
  border-radius:20px;
  padding:44px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,83,43,.28),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em;
  color:#F7F5F0;line-height:1.35;max-width:22ch;
}
.cta-band p{font-size:14px;color:rgba(247,245,240,.68);margin-top:10px;max-width:46ch;}
.cta-band .btn-primary{position:relative;z-index:1;}
.cta-band .btn-ghost{border-color:rgba(247,245,240,.5);color:#F7F5F0;position:relative;z-index:1;}
.cta-band .btn-ghost:hover{border-color:var(--orange);color:var(--orange);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F7F5F0;padding:64px 0 0;margin-top:var(--sec);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.f-brand .brand-mark{background:#F7F5F0;color:var(--ink);}
.f-brand strong{font-size:17px;font-weight:800;letter-spacing:-.02em;color:#F7F5F0;}
.f-about{font-size:14px;line-height:1.8;color:rgba(247,245,240,.62);max-width:32ch;}
.f-title{font-size:13px;letter-spacing:.12em;color:rgba(247,245,240,.5);margin-bottom:16px;font-weight:600;}
.f-links{display:flex;flex-direction:column;gap:11px;}
.f-links a{font-size:14px;color:rgba(247,245,240,.78);transition:color .16s ease;}
.f-links a:hover{color:var(--orange);}
.f-contact p{font-size:14px;color:rgba(247,245,240,.72);line-height:1.85;margin-bottom:8px;}
.f-contact p span{font-size:12px;letter-spacing:.1em;color:rgba(247,245,240,.42);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(247,245,240,.5);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .shell{padding:0 20px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .f-contact{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:10px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-2);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-link{height:44px;padding:0 14px;border-radius:12px;font-size:15px;}
  .nav-link.active::after{left:14px;right:auto;width:22px;bottom:8px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .article-head{padding-top:34px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .brand-sub{display:none;}
  .article-body{font-size:15.5px;max-width:100%;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .article-title{max-width:none;}
  .crumb-current{max-width:100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .f-about{max-width:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .share-chip{margin-left:0;}
  .tag-row{margin-top:28px;}
}
@media (max-width:520px){
  .shell{padding:0 16px;}
  .nav-pill{height:58px;padding:0 10px 0 14px;gap:10px;}
  .brand-name{font-size:15px;}
  .article-body{font-size:15px;}
  .page-btn,.btn{width:100%;}
  .back-row .btn{width:100%;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .empty-state{padding:36px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#14171A;
  --ink-2:#2E343A;
  --muted:#5B6469;
  --sand:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --line-soft:#EDE9E1;
  --orange:#F0532B;
  --orange-d:#C43C18;
  --teal:#1C7F72;
  --r-card:14px;
  --r-form:16px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.06),0 8px 24px -12px rgba(20,23,26,.18);
  --sh-2:0 10px 30px -14px rgba(20,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:var(--teal);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(240,83,43,.35);border-radius:8px;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0 0;}
.section-last{padding-bottom:0;}
.eyebrow{
  display:inline-block;
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:600;
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:200;padding:16px 0 0;}
.nav-bar{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 12px 0 16px;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(20,23,26,.08);
  border-radius:var(--r-pill);
  transition:height .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled .nav-bar{height:56px;box-shadow:var(--sh-2);background:rgba(247,245,240,.94);}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  background:var(--orange);color:#fff;
  border-radius:9px;
  font-weight:800;font-size:16px;letter-spacing:0;
  box-shadow:0 4px 12px -6px rgba(240,83,43,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(20,23,26,.05);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:3px;border-radius:2px;background:var(--orange);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;margin-left:6px;
  border-radius:var(--r-pill);
  background:var(--orange);color:#fff;
  font-size:14.5px;font-weight:500;
  transition:background .15s var(--ease),transform .15s var(--ease);
}
.nav-cta:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  margin-left:auto;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-input);
  font-size:15px;font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px);}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:500;color:var(--ink);
  position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.link-more:hover{color:var(--orange);}
.link-more:hover::after{transform:scaleX(1);}

/* ---------- Hero ---------- */
.page-hero{padding:48px 0 0;}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border:1px solid rgba(28,127,114,.42);
  border-radius:var(--r-pill);
  background:rgba(28,127,114,.06);
  color:var(--teal);
  font-size:12.5px;letter-spacing:.06em;font-weight:600;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);}
.hero-copy h1{
  margin-top:20px;
  font-size:clamp(30px,4.2vw,54px);
  letter-spacing:-.02em;
}
.hero-copy .lede{
  margin-top:18px;
  max-width:34em;
  font-size:16.5px;
  color:var(--ink-2);
  line-height:1.9;
}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-figure{
  margin:0;
  border-radius:16px;
  overflow:hidden;
  background:var(--line-soft);
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 指标条 ---------- */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:56px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.metric{padding:26px 24px;border-left:1px solid var(--line);}
.metric:first-child{border-left:0;}
.metric-num{
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
}
.metric-num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0;}
.metric-label{margin-top:8px;font-size:13px;letter-spacing:.06em;color:var(--muted);}

/* ---------- 主栏 + 侧栏 ---------- */
.matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:start;}
.matrix-main{grid-column:span 8;}
.matrix-side{grid-column:span 4;}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.data-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.data-card:hover{transform:translateY(-2px);border-color:var(--orange);box-shadow:var(--sh-2);}
.data-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--line-soft);}
.data-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.data-card:hover .thumb img{transform:scale(1.03);}
.data-card .body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;}
.card-tag{
  align-self:flex-start;
  padding:3px 10px;
  border:1px solid rgba(28,127,114,.42);
  border-radius:var(--r-pill);
  font-size:11.5px;letter-spacing:.06em;
  color:var(--teal);font-weight:600;
}
.data-card h3{font-size:18px;line-height:1.45;}
.data-card .desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.data-card .foot{margin-top:auto;padding-top:12px;}

/* 侧栏 */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 24px;
}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:17px;margin-bottom:6px;}
.side-card .side-sub{font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.side-list li{
  display:flex;gap:12px;
  padding:14px 0;
  border-top:1px solid var(--line);
}
.side-list li:first-child{border-top:0;}
.side-list .idx{
  flex:0 0 24px;height:24px;
  display:grid;place-items:center;
  border-radius:6px;
  background:rgba(240,83,43,.1);
  color:var(--orange);
  font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.side-list strong{display:block;font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.6;}
.side-list span{display:block;font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:2px;}
.side-cta p{font-size:13.5px;color:var(--muted);margin-bottom:16px;}

/* ---------- 对比条 ---------- */
.compare-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:36px 36px 20px;
}
.bar-row{margin-bottom:24px;}
.bar-row:last-child{margin-bottom:8px;}
.bar-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;}
.bar-head strong{font-size:15px;font-weight:700;}
.bar-head span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.bar-track{
  height:8px;border-radius:var(--r-pill);
  background:var(--line-soft);
  overflow:hidden;
  margin-top:10px;
}
.bar-track + .bar-track{margin-top:8px;}
.bar-fill{height:100%;border-radius:var(--r-pill);background:var(--orange);}
.bar-fill.before{background:#D6D1C6;}
.bar-legend{display:flex;gap:22px;margin-top:6px;flex-wrap:wrap;}
.legend-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.legend-dot{width:10px;height:10px;border-radius:3px;background:#D6D1C6;}
.legend-dot.accent{background:var(--orange);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.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:center;justify-content:space-between;gap:20px;
  padding:20px 0;
  background:none;border:0;
  text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
  cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--orange);}
.faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  width:10px;height:1.5px;background:var(--ink);
  transform:translate(-50%,-50%);
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.open .faq-icon{border-color:var(--orange);transform:rotate(180deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--orange);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  font-size:15px;line-height:1.8;color:var(--muted);
  padding-bottom:20px;padding-right:44px;
}

/* ---------- 表单 / CTA ---------- */
.cta-section{
  display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start;
  padding:40px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-form);
  box-shadow:var(--sh-1);
}
.cta-copy h2{font-size:clamp(24px,2.6vw,34px);}
.cta-copy p{margin-top:14px;font-size:15.5px;color:var(--muted);}
.cta-list{margin-top:24px;}
.cta-list li{
  display:flex;gap:10px;
  font-size:14.5px;color:var(--ink-2);
  padding:9px 0;
}
.cta-list li::before{
  content:"";flex:0 0 6px;height:6px;margin-top:12px;
  border-radius:50%;background:var(--orange);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;}
.field-full{grid-column:1/-1;}
.field label{
  font-size:13px;letter-spacing:.04em;color:var(--ink-2);
  margin-bottom:8px;font-weight:600;
}
.field .req{color:var(--orange);margin-left:2px;}
.input{
  width:100%;height:48px;
  padding:0 14px;
  font-size:15px;color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.input::placeholder{color:#9AA1A6;}
.input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(240,83,43,.18);}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px;}
textarea.input{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-note{
  margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.7;
}
.form-alert{
  display:none;
  margin-bottom:18px;
  padding:10px 14px;
  border-radius:var(--r-input);
  font-size:13.5px;
}
.form-alert.ok{display:block;background:rgba(28,127,114,.1);color:var(--teal);border:1px solid rgba(28,127,114,.35);}
.form-alert.err{display:block;background:rgba(192,57,43,.08);color:#C0392B;border:1px solid rgba(192,57,43,.3);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:64px 0 0;
  background:var(--ink);
  color:rgba(247,245,240,.78);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.f-brand{display:flex;align-items:center;gap:10px;color:#F7F5F0;font-size:18px;margin-bottom:14px;}
.f-brand strong{font-weight:800;letter-spacing:-.01em;}
.f-about{font-size:14px;line-height:1.8;color:rgba(247,245,240,.62);max-width:26em;}
.f-title{font-size:13px;letter-spacing:.12em;color:rgba(247,245,240,.5);margin-bottom:14px;}
.f-links a{display:block;padding:6px 0;font-size:14.5px;color:rgba(247,245,240,.78);}
.f-links a:hover{color:#fff;}
.f-contact p{font-size:14px;line-height:1.8;color:rgba(247,245,240,.7);margin-bottom:8px;}
.f-contact span{color:rgba(247,245,240,.5);font-size:13px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:48px;padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(247,245,240,.55);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .hero-inner{gap:40px;}
  .matrix{gap:24px;}
  .cta-section{gap:40px;padding:32px;}
}
@media (max-width:991px){
  .site-header{padding-top:12px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:absolute;
    left:0;right:0;top:calc(100% + 8px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-2);
  }
  .nav-links.open{display:flex;}
  .nav-links.open .nav-link{animation:navIn .25s var(--ease) both;}
  .nav-links.open .nav-link:nth-child(1){animation-delay:.02s;}
  .nav-links.open .nav-link:nth-child(2){animation-delay:.06s;}
  .nav-links.open .nav-link:nth-child(3){animation-delay:.1s;}
  @keyframes navIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
  .nav-link{height:auto;padding:12px 14px;border-radius:10px;font-size:15.5px;}
  .nav-link.active{background:rgba(240,83,43,.08);}
  .nav-link.active::after{left:14px;right:auto;width:18px;bottom:8px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:2;aspect-ratio:16/9;}
  .hero-copy{order:1;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric{border-left:1px solid var(--line);}
  .metric:nth-child(odd){border-left:0;}
  .metric:nth-child(n+3){border-top:1px solid var(--line);}
  .matrix{grid-template-columns:1fr;}
  .matrix-main,.matrix-side{grid-column:1/-1;}
  .matrix-side{position:static;}
  .cta-section{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding-top:72px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767px){
  .shell{padding:0 16px;}
  .section{padding-top:56px;}
  .page-hero{padding-top:32px;}
  .hero-copy h1{font-size:clamp(28px,7vw,38px);}
  .hero-copy .lede{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;}
  .metric-strip{margin-top:40px;}
  .card-grid{grid-template-columns:1fr;}
  .compare-wrap{padding:24px 20px 12px;}
  .faq-a p{padding-right:0;}
  .cta-section{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:32px;flex-direction:column;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .side-card{padding:22px 20px;}
  .brand-text span{display:none;}
}
@media (max-width:480px){
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .metric{padding:20px 18px;}
  .data-card .body{padding:18px;}
  .form-card{padding:24px;}
  .input{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#14171A;
  --ink-2:#2E343A;
  --ink-3:#5B6469;
  --sand:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3DFD6;
  --orange:#F0532B;
  --orange-d:#C43C18;
  --teal:#1C7F72;
  --r-card:14px;
  --r-form:16px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.06), 0 8px 24px -12px rgba(20,23,26,.18);
  --sh-2:0 10px 30px -14px rgba(20,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.22}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--orange)}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:3px solid rgba(240,83,43,.35);outline-offset:2px;border-radius:8px}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-block;
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-3);
  font-weight:600;
}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);margin:12px 0 14px}
.sec-head p{color:var(--ink-3);font-size:16px}

/* ------- buttons ------- */
.btn-solid,.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-input);
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  border:1px solid transparent;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease);
}
.btn-solid{background:var(--orange);color:#fff;box-shadow:0 10px 24px -14px rgba(240,83,43,.9)}
.btn-solid:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(196,60,24,.85)}
.btn-solid:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--orange);position:relative}
.btn-text::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--orange);transition:width .2s var(--ease)}
.btn-text:hover::after{width:100%}

/* ------- header / nav ------- */
.site-header{position:sticky;top:0;z-index:80;padding-top:16px}
.nav-pill{
  display:flex;align-items:center;gap:20px;
  min-height:64px;padding:8px 10px 8px 16px;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(20,23,26,.08);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),border-radius .25s var(--ease);
}
.site-header.scrolled .nav-pill{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;border-radius:10px;
  font-size:17px;font-weight:800;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:.12em;color:var(--ink-3);text-transform:uppercase;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-3);font-weight:500;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(20,23,26,.05)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--orange);
}
.nav-cta{height:44px;padding:0 20px;font-size:14px;border-radius:var(--r-pill);flex-shrink:0}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid var(--line);border-radius:12px;
  color:var(--ink);cursor:pointer;font-size:13px;font-weight:600;
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange)}

/* ------- crumbs ------- */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:24px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--orange)}
.crumbs .sep{color:#BFB9AC}
.crumbs .cur{color:var(--ink);font-weight:600}

/* ------- hero ------- */
.page-hero{padding:48px 0 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(28,127,114,.4);
  color:var(--teal);background:rgba(28,127,114,.06);
  font-size:12px;letter-spacing:.08em;font-weight:600;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  margin:20px 0 20px;
  letter-spacing:-.03em;
  line-height:1.16;
}
.page-hero h1 .hl{color:var(--orange)}
.hero-lead{font-size:17px;color:var(--ink-3);max-width:560px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-note{font-size:13px;color:var(--ink-3);margin-top:20px;display:flex;align-items:center;gap:8px}
.hero-note::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--orange)}
.hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--sh-2)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-chip{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.94);
  border-radius:12px;padding:10px 16px;
  box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:12px;
}
.hero-chip b{font-size:20px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em}
.hero-chip span{font-size:12px;color:var(--ink-3);letter-spacing:.04em}

/* ------- stat bar ------- */
.stat-bar{
  margin-top:56px;
  background:var(--ink);
  border-radius:16px;
  padding:34px 12px;
  display:grid;grid-template-columns:repeat(4,1fr);
  box-shadow:var(--sh-2);
}
.stat-cell{padding:0 24px;border-left:1px solid rgba(255,255,255,.12)}
.stat-cell:first-child{border-left:none}
.stat-num{font-size:clamp(28px,3.2vw,44px);font-weight:800;color:#fff;line-height:1.05;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;color:var(--orange);font-size:.5em;margin-left:3px;letter-spacing:0}
.stat-label{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.62);margin-top:10px}

/* ------- ops numbered list ------- */
.ops-list{border-bottom:1px solid var(--line)}
.ops-item{
  display:grid;grid-template-columns:96px 1fr 240px;gap:32px;
  padding:36px 0;border-top:1px solid var(--line);
  align-items:start;
  transition:background .2s var(--ease);
}
.ops-item:hover{background:rgba(255,255,255,.7)}
.ops-idx{
  font-size:42px;font-weight:800;line-height:1;color:#CFC9BC;
  font-variant-numeric:tabular-nums;letter-spacing:-.04em;
  transition:color .2s var(--ease);
}
.ops-item:hover .ops-idx{color:var(--orange)}
.ops-body h3{font-size:20px;margin-bottom:10px}
.ops-body p{font-size:15px;color:var(--ink-3);line-height:1.85;margin-bottom:14px;max-width:560px}
.ops-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;color:var(--teal);
  border:1px solid rgba(28,127,114,.32);background:rgba(28,127,114,.05);
}
.ops-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.ops-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s var(--ease)}
.ops-item:hover .ops-thumb img{transform:scale(1.03)}

/* ------- flow dark block ------- */
.flow-wrap{
  background:var(--ink);color:rgba(255,255,255,.7);
  border-radius:20px;padding:64px;
  box-shadow:var(--sh-2);
}
.flow-wrap .eyebrow{color:rgba(255,255,255,.45)}
.flow-wrap h2{color:#fff;font-size:clamp(24px,2.6vw,34px);margin:12px 0 14px}
.flow-wrap .flow-lead{max-width:640px;color:rgba(255,255,255,.62);font-size:15px;line-height:1.85}
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:44px}
.flow-step{position:relative;padding:22px 20px 0 0;border-top:2px solid rgba(255,255,255,.14)}
.flow-step::before{content:"";position:absolute;top:-5px;left:0;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.flow-time{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--orange);font-variant-numeric:tabular-nums}
.flow-title{font-size:17px;font-weight:700;color:#fff;margin:8px 0 10px}
.flow-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.58);margin:0}

/* ------- compare bars ------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(240,83,43,.4)}
.compare-card h3{font-size:17px;margin-bottom:6px}
.compare-note{font-size:13px;color:var(--ink-3);margin-bottom:20px}
.bar-row{margin-bottom:16px}
.bar-row:last-child{margin-bottom:0}
.bar-meta{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--ink-3);margin-bottom:8px}
.bar-meta b{font-size:15px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.bar{height:8px;border-radius:var(--r-pill);background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--orange);transition:width .6s var(--ease)}
.bar i.ghost{background:#C9C3B6}

/* ------- faq ------- */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:64px;align-items:start}
.faq-layout h2{font-size:clamp(24px,2.6vw,34px);margin:12px 0 16px}
.faq-side p{font-size:15px;color:var(--ink-3)}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;
  font-size:24px;font-weight:400;line-height:1;color:var(--orange);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--orange)}
.faq-body{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-3);max-width:700px}

/* ------- cta form ------- */
.cta-section{padding:0 0 96px}
.form-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-form);padding:40px;
  box-shadow:var(--sh-1);
}
.form-head{margin-bottom:28px}
.form-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.form-head p{font-size:15px;color:var(--ink-3)}
.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:13px;letter-spacing:.04em;color:var(--ink-3);font-weight:600}
.field label .req{color:var(--orange);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#FDFCFA;color:var(--ink);font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
  font-family:inherit;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A8A29A}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(240,83,43,.18);
}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.7}
.form-alert{
  display:none;margin-bottom:20px;padding:12px 16px;
  border-radius:var(--r-input);
  background:rgba(28,127,114,.08);
  border:1px solid rgba(28,127,114,.3);
  color:var(--teal);font-size:14px;
}
.form-alert.show{display:block}

/* ------- footer ------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.f-brand .brand-mark{background:var(--orange);color:#fff}
.f-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em}
.f-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:300px}
.f-title{font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.44);margin-bottom:18px;font-weight:600}
.f-links{display:flex;flex-direction:column;gap:11px}
.f-links a{font-size:14px;color:rgba(255,255,255,.78)}
.f-links a:hover{color:var(--orange)}
.f-contact p{font-size:14px;color:rgba(255,255,255,.66);margin:0 0 10px}
.f-contact span{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.42)}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.4);
}

/* ------- responsive ------- */
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
  .ops-item{grid-template-columns:80px 1fr 200px;gap:24px}
  .flow-wrap{padding:48px}
  .flow-list{grid-template-columns:repeat(3,1fr);row-gap:32px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-pill{flex-wrap:wrap;border-radius:24px;padding:10px 14px;gap:12px}
  .nav-links{
    order:3;flex-basis:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    max-height:0;overflow:hidden;margin:0;
    transition:max-height .3s var(--ease);
  }
  .nav-pill.open .nav-links{max-height:340px;margin-top:6px;padding-top:8px;border-top:1px solid var(--line)}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(240,83,43,.1);color:var(--ink)}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .stat-bar{grid-template-columns:1fr 1fr;padding:8px}
  .stat-cell{padding:22px 20px;border-left:none;border-top:1px solid rgba(255,255,255,.12)}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-top:none}
  .stat-cell:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}
  .ops-item{grid-template-columns:64px 1fr;gap:20px}
  .ops-thumb{grid-column:1 / -1;margin-top:4px}
  .ops-thumb img{aspect-ratio:16/9}
  .compare-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .flow-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:575.98px){
  .shell{padding:0 16px}
  .section{padding:56px 0}
  .page-hero{padding-top:32px}
  .page-hero h1{font-size:clamp(28px,7.4vw,36px)}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn-solid,.hero-actions .btn-outline{width:100%}
  .stat-bar{margin-top:40px}
  .stat-num{font-size:30px}
  .flow-wrap{padding:28px 20px;border-radius:16px}
  .flow-list{grid-template-columns:1fr;row-gap:24px;margin-top:32px}
  .flow-step{padding:18px 0 0}
  .ops-item{grid-template-columns:48px 1fr;gap:14px;padding:28px 0}
  .ops-idx{font-size:30px}
  .form-card{padding:24px}
  .field input,.field select,.field textarea{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .compare-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}