/* roulang page: index */
:root{
  --orange:#F05A28;
  --orange-dark:#C9431A;
  --orange-soft:#FDE9E1;
  --green:#0E7C66;
  --green-soft:#E2F1ED;
  --yellow:#FFC83D;
  --bg:#F7F4EE;
  --bg-alt:#EDEAE3;
  --surface:#FFFFFF;
  --ink:#121417;
  --muted:#5C6570;
  --line:#DED9CF;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(18,20,23,.06);
  --shadow-hover:0 14px 36px rgba(240,90,40,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--orange);text-decoration:none;transition:color .2s ease;}
a:hover,a:focus{color:var(--orange-dark);text-decoration:underline;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:46px;}
h2{font-size:30px;}
h3{font-size:21px;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:8px;}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
section{position:relative;}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--muted);font-size:17px;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--green);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:inline-block;border-radius:2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,20,23,.08);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{text-decoration:none;color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:linear-gradient(135deg,var(--orange),#F98B4E);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;white-space:nowrap;}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;color:var(--ink);font-size:15px;font-weight:600;
}
.main-nav a:hover{background:var(--bg-alt);color:var(--orange-dark);text-decoration:none;}
.main-nav a.is-active{color:var(--orange);background:var(--orange-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;align-items:center;justify-content:center;
}
.nav-drawer{
  position:fixed;inset:72px 0 0 0;background:#fff;z-index:59;
  padding:20px 20px 110px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s ease;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer a{
  display:block;padding:14px 16px;border-radius:14px;color:var(--ink);
  font-weight:600;border:1px solid transparent;margin-bottom:8px;
}
.nav-drawer a:hover,.nav-drawer a.is-active{background:var(--orange-soft);color:var(--orange-dark);text-decoration:none;}
.nav-drawer .drawer-title{font-size:13px;color:var(--muted);font-weight:700;margin:8px 4px 10px;letter-spacing:.06em;}
.drawer-cta{
  position:fixed;left:20px;right:20px;bottom:20px;
  display:flex;gap:10px;background:#fff;padding-top:12px;
}
.drawer-cta .btn{flex:1;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(240,90,40,.24);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(240,90,40,.3);text-decoration:none;}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--orange);border-color:var(--orange);}
.btn-outline:hover{background:var(--orange-soft);color:var(--orange-dark);transform:translateY(-2px);text-decoration:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;}
.btn-ghost:hover{background:var(--bg-alt);color:var(--ink);text-decoration:none;}
.btn-sm{min-height:42px;padding:0 16px;font-size:14.5px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- Badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--orange-soft);color:var(--orange-dark);
}
.badge-green{background:var(--green-soft);color:var(--green);}
.badge-yellow{background:#FFF3D0;color:#8A6400;}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:var(--bg-alt);color:var(--muted);
}
.tag-orange{background:var(--orange-soft);color:var(--orange-dark);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);display:inline-block;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  opacity:.16;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.85) 48%,rgba(247,244,238,.55) 100%);
}
.hero .grid-container{position:relative;z-index:2;}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{
  color:var(--orange);
  background:linear-gradient(180deg,transparent 62%,rgba(255,200,61,.45) 62%);
}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{
  display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink);margin:0;font-weight:600;
}
.hero-points i{color:var(--green);font-size:15px;}

.login-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:0 18px 44px rgba(18,20,23,.1);overflow:hidden;
}
.login-card figure{margin:0;position:relative;overflow:hidden;}
.login-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.login-card .card-flag{
  position:absolute;left:16px;top:16px;
}
.login-card-body{padding:24px;}
.login-card-body h2{font-size:21px;margin-bottom:6px;}
.login-card-body .muted{color:var(--muted);font-size:14.5px;margin-bottom:18px;}
.step-line{list-style:none;margin:0 0 20px;padding:0;}
.step-line li{
  display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:14.5px;color:var(--muted);
}
.step-line .step-no{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--orange-soft);color:var(--orange-dark);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.step-line b{color:var(--ink);font-weight:700;}

/* ---------- Trust bar ---------- */
.trust-bar{background:var(--green);color:#fff;padding:26px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.trust-item{display:flex;gap:12px;align-items:flex-start;}
.trust-item i{
  font-size:17px;color:var(--yellow);margin-top:3px;flex:0 0 auto;
}
.trust-item strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:2px;}
.trust-item span{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.6;}

/* ---------- Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);height:100%;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--orange);}
.card-cover{overflow:hidden;position:relative;}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19.5px;margin-bottom:10px;}
.card-body p{color:var(--muted);font-size:14.8px;margin-bottom:16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.arrow-link{font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.card-lg .card-body{padding:30px;}
.card-lg h3{font-size:25px;}
.card-lg p{font-size:16px;}
.card-lg .card-cover img{aspect-ratio:16/8;}

.service-strip{
  background:var(--bg-alt);border-radius:var(--radius-lg);padding:26px;
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  border:1px solid var(--line);
}
.service-strip h3{margin-bottom:4px;}
.service-strip p{margin-bottom:0;color:var(--muted);font-size:14.6px;}

/* ---------- Metrics ---------- */
.metrics{background:var(--ink);color:#fff;padding:64px 0;}
.metrics h2{color:#fff;}
.metrics .section-head p{color:rgba(255,255,255,.7);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.metric{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:24px;
}
.metric .value{font-size:38px;font-weight:800;color:var(--yellow);line-height:1.1;margin-bottom:6px;}
.metric .label{font-size:15px;font-weight:700;margin-bottom:6px;}
.metric .desc{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.6;}
.metric-bar{height:4px;width:100%;background:rgba(255,255,255,.12);border-radius:4px;margin-top:14px;overflow:hidden;}
.metric-bar span{display:block;height:100%;background:var(--orange);border-radius:4px;}

/* ---------- News / CMS ---------- */
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--orange);}
.post-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:13px;color:var(--muted);}
.post-title{font-size:18.5px;margin-bottom:10px;line-height:1.45;}
.post-title a{color:var(--ink);}
.post-title a:hover{color:var(--orange-dark);text-decoration:none;}
.post-excerpt{
  color:var(--muted);font-size:14.6px;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{margin-top:auto;font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:30px;color:var(--orange);display:block;margin-bottom:12px;}
.empty-state p{margin-bottom:14px;}

/* ---------- Testimonials ---------- */
.quotes{background:var(--bg-alt);}
.orbit{position:relative;}
.orbit-container{list-style:none;margin:0;padding:0;position:relative;overflow:hidden;}
.orbit-slide{display:none;}
.orbit-slide.is-active{display:block;}
.quote-card{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow);
}
.quote-stars{color:var(--yellow);font-size:16px;letter-spacing:2px;margin-bottom:14px;}
.quote-card blockquote{
  margin:0 0 20px;font-size:17px;line-height:1.75;color:var(--ink);border:0;padding:0;
}
.quote-card blockquote::before{content:"“";color:var(--orange);font-size:30px;line-height:0;vertical-align:-6px;margin-right:4px;}
.quote-card figcaption{display:flex;align-items:center;gap:12px;font-size:14.5px;}
.quote-card .avatar{
  width:42px;height:42px;border-radius:50%;background:var(--green-soft);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-weight:800;
}
.quote-card figcaption strong{display:block;font-weight:700;}
.quote-card figcaption span{color:var(--muted);font-size:13.5px;}
.orbit-nav{display:flex;gap:10px;justify-content:center;margin-top:24px;align-items:center;}
.orbit-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.orbit-arrow:hover{background:var(--orange);color:#fff;border-color:var(--orange);}
.orbit-bullets{display:flex;gap:8px;margin:0 8px;}
.orbit-bullets button{
  width:10px;height:10px;border-radius:50%;border:0;padding:0;background:var(--line);font-size:0;
  transition:background .2s ease,width .2s ease;
}
.orbit-bullets button.is-active{background:var(--orange);width:26px;border-radius:999px;}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:none;transition:border-color .2s ease;
}
.accordion-item.is-active{border-left:4px solid var(--orange);}
.accordion-title{
  background:#fff;border:0;color:var(--ink);font-weight:700;font-size:16px;
  padding:18px 56px 18px 22px;position:relative;line-height:1.55;display:block;
}
.accordion-title:hover,.accordion-title:focus{background:#FFF9F5;color:var(--orange-dark);}
.accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--orange);font-weight:400;
}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-content{
  border:0;border-top:1px dashed var(--line);background:#fff;
  padding:16px 22px 20px;color:var(--muted);font-size:15px;line-height:1.75;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#121417 0%,#1D2126 60%,#2A2118 100%);
  color:#fff;border-radius:24px;padding:48px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,90,40,.5),transparent 68%);
}
.cta-band h2{color:#fff;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.75);max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;margin-top:8px;}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer a{color:rgba(255,255,255,.72);font-size:14.5px;display:inline-block;padding:5px 0;}
.site-footer a:hover{color:var(--orange);text-decoration:none;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--orange),#F98B4E);}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-about{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.66);max-width:340px;}
.footer-list{list-style:none;padding:0;margin:0;}
.footer-list li{margin-bottom:2px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--orange);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);font-size:13.5px;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  h1{font-size:40px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .main-nav,.nav-actions .btn-outline{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:56px 0;}
  .hero{padding:48px 0 56px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:36px 26px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .grid-margin-x{margin-left:-8px;margin-right:-8px;}
  .grid-margin-x>.cell{padding-left:8px;padding-right:8px;}
  h1{font-size:31px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .section{padding:40px 0;}
  .section-tight{padding:32px 0;}
  .section-head{margin-bottom:26px;}
  .section-head p{font-size:15.5px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .brand-text small{display:none;}
  .metric-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .card-lg .card-body{padding:22px;}
  .card-lg h3{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .quote-card{padding:22px;}
  .cta-band{border-radius:18px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:519px){
  .brand-text strong{font-size:15.5px;}
  .hero-points{flex-direction:column;gap:8px;}
  .orbit-arrow{width:40px;height:40px;}
}

/* roulang page: article */
:root{
  --orange:#F05A28;
  --orange-dark:#C9451A;
  --orange-soft:#FDEDE6;
  --green:#0E7C66;
  --green-soft:#E3F1ED;
  --yellow:#FFC83D;
  --yellow-soft:#FFF4D6;
  --bg:#F7F4EE;
  --bg-alt:#EDEAE3;
  --ink:#121417;
  --ink-2:#5C6570;
  --ink-3:#8B939C;
  --line:#DED9CF;
  --white:#FFFFFF;
  --radius-xl:22px;
  --radius-l:20px;
  --radius-m:16px;
  --radius-s:12px;
  --shadow:0 8px 24px rgba(18,20,23,.06);
  --shadow-hover:0 14px 36px rgba(240,90,40,.14);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-m);}
a{color:var(--orange);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--orange-dark);text-decoration:underline;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
::selection{background:var(--orange);color:#fff;}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:2px;
  border-radius:6px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease;
}
.site-header.is-scrolled{
  box-shadow:0 8px 26px rgba(18,20,23,.09);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  color:var(--ink);
  flex-shrink:0;
}
.brand:hover{text-decoration:none;color:var(--ink);}
.brand-mark{
  width:40px;height:40px;
  flex-shrink:0;
  border-radius:13px;
  background:linear-gradient(135deg,#F05A28 0%,#FF8A5C 100%);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 6px 16px rgba(240,90,40,.3);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.3px;}
.brand-text span{font-size:11.5px;color:var(--ink-3);font-weight:500;letter-spacing:.4px;}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.main-nav a{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{
  color:var(--orange);
  background:var(--orange-soft);
  text-decoration:none;
}
.main-nav a.is-active{
  color:var(--orange);
  background:var(--orange-soft);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-s);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{
  background:var(--orange);
  color:#fff;
  box-shadow:0 8px 20px rgba(240,90,40,.26);
}
.btn-primary:hover{background:var(--orange-dark);color:#fff;box-shadow:0 14px 30px rgba(240,90,40,.3);}
.btn-outline{
  background:transparent;
  color:var(--orange);
  border-color:var(--orange);
}
.btn-outline:hover{background:var(--orange-soft);color:var(--orange-dark);}
.btn-ghost{
  background:transparent;
  color:var(--ink-2);
  border-color:var(--line);
}
.btn-ghost:hover{background:var(--bg-alt);color:var(--ink);}
.btn-green{
  background:var(--green);
  color:#fff;
}
.btn-green:hover{background:#0A6353;color:#fff;}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  font-size:18px;
  align-items:center;
  justify-content:center;
}

.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(18,20,23,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(86vw,340px);
  height:100%;
  background:#fff;
  padding:22px 20px 100px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:16px;
}
.drawer-group h3{
  font-size:12px;color:var(--ink-3);font-weight:700;letter-spacing:1px;
  margin:16px 0 8px;
}
.drawer-group a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;border-radius:12px;
  color:var(--ink);font-weight:600;font-size:15.5px;text-decoration:none;
}
.drawer-group a:hover,
.drawer-group a.is-active{background:var(--orange-soft);color:var(--orange);text-decoration:none;}
.drawer-cta{
  position:absolute;left:20px;right:20px;bottom:22px;
  display:flex;flex-direction:column;gap:10px;
}

/* ============ 文章头图区 ============ */
.article-hero{
  position:relative;
  padding:38px 0 62px;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(18,20,23,.94) 0%,rgba(18,20,23,.82) 46%,rgba(240,90,40,.42) 100%);
}
.article-hero .grid-container{position:relative;z-index:2;}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.8);text-decoration:none;}
.crumbs a:hover{color:var(--yellow);text-decoration:underline;}
.crumbs i{font-size:10px;opacity:.6;}
.crumbs .current{color:#fff;font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.2px;
}
.chip-orange{background:var(--orange-soft);color:var(--orange-dark);}
.chip-green{background:var(--green-soft);color:var(--green);}
.chip-yellow{background:var(--yellow-soft);color:#8A6100;}
.chip-on-dark{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}

.article-hero h1{
  font-size:46px;
  line-height:1.24;
  letter-spacing:-.6px;
  color:#fff;
  max-width:900px;
  margin-bottom:20px;
}
.article-hero .hero-lead{
  font-size:16.5px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
  max-width:760px;
  margin-bottom:26px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--yellow);font-size:13px;}

/* ============ 主体布局 ============ */
.main-wrap{padding:56px 0 72px;}
.article-grid > .cell{margin-bottom:32px;}

.post-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  padding:38px 42px 44px;
}

.post-toc-inline{
  border:1px solid var(--line);
  background:var(--bg);
  border-radius:var(--radius-m);
  padding:18px 22px;
  margin-bottom:34px;
}
.post-toc-inline h2{
  font-size:15px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:10px;
}
.post-toc-inline h2 i{color:var(--orange);}
.post-toc-inline ol{display:flex;flex-wrap:wrap;gap:8px 18px;}
.post-toc-inline ol li{font-size:14px;}
.post-toc-inline ol li a{color:var(--ink-2);}
.post-toc-inline ol li a:hover{color:var(--orange);}

.post-body{max-width:800px;font-size:17px;line-height:1.78;color:#1C1F23;}
.post-body > *:first-child{margin-top:0;}
.post-body p{margin:0 0 1.15em;}
.post-body h2{
  font-size:29px;
  line-height:1.35;
  margin:44px 0 16px;
  padding-left:16px;
  border-left:5px solid var(--orange);
  color:var(--ink);
}
.post-body h3{
  font-size:21px;
  margin:32px 0 12px;
  color:var(--ink);
}
.post-body h4{font-size:18px;margin:24px 0 10px;}
.post-body ul,.post-body ol{margin:0 0 1.3em;padding-left:4px;}
.post-body ul li,.post-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  line-height:1.75;
}
.post-body ul li::before{
  content:"";
  position:absolute;left:6px;top:.72em;
  width:8px;height:8px;border-radius:50%;
  background:var(--orange);
}
.post-body ol{counter-reset:pl;}
.post-body ol li{counter-increment:pl;}
.post-body ol li::before{
  content:counter(pl);
  position:absolute;left:0;top:.16em;
  width:20px;height:20px;border-radius:6px;
  background:var(--green-soft);color:var(--green);
  font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.post-body a{font-weight:600;border-bottom:1px solid rgba(240,90,40,.35);}
.post-body a:hover{border-bottom-color:var(--orange-dark);}
.post-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:var(--orange-soft);
  border-left:4px solid var(--orange);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  color:#7A3216;
  font-size:16px;
}
.post-body blockquote p:last-child{margin-bottom:0;}
.post-body img{border-radius:var(--radius-m);margin:22px 0;box-shadow:var(--shadow);}
.post-body figure{margin:24px 0;}
.post-body figcaption{
  font-size:13.5px;color:var(--ink-3);text-align:center;margin-top:10px;
}
.post-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
}
.post-body th{
  background:var(--bg-alt);
  color:var(--ink);
  font-weight:700;
  text-align:left;
}
.post-body th,.post-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.post-body tr:last-child td{border-bottom:none;}
.post-body strong{font-weight:700;color:#0B0C0E;}
.post-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.post-body code{
  background:var(--bg-alt);border-radius:6px;padding:2px 6px;
  font-size:14.5px;color:#8A3B18;
}

.post-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  background:var(--bg-alt);color:var(--ink-2);
  font-size:13px;font-weight:600;
}
.tag:hover{background:var(--orange-soft);color:var(--orange-dark);text-decoration:none;}

.post-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:30px;padding-top:26px;border-top:1px dashed var(--line);
}
.post-foot .note{font-size:13.5px;color:var(--ink-3);}

/* 空态 */
.empty-state{
  text-align:center;
  padding:70px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-l);
  background:var(--bg);
}
.empty-state .ico{
  width:64px;height:64px;margin:0 auto 18px;
  border-radius:20px;background:var(--orange-soft);
  color:var(--orange);font-size:26px;
  display:flex;align-items:center;justify-content:center;
}
.empty-state h3{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  padding:24px 24px 26px;
  margin-bottom:22px;
}
.side-card h3{
  font-size:17px;
  display:flex;align-items:center;gap:9px;
  margin-bottom:16px;
}
.side-card h3 i{color:var(--orange);font-size:15px;}
.side-list li{border-bottom:1px solid var(--line);}
.side-list li:last-child{border-bottom:none;}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  padding:13px 0;
  font-size:14.5px;font-weight:600;color:var(--ink);
  text-decoration:none;line-height:1.55;
}
.side-list a:hover{color:var(--orange);text-decoration:none;}
.side-list a i{
  color:var(--orange);font-size:11px;margin-top:6px;flex-shrink:0;
  transition:transform .2s ease;
}
.side-list a:hover i{transform:translateX(3px);}

.side-entry{
  background:linear-gradient(150deg,#121417 0%,#26292E 62%,#3A2318 100%);
  color:#fff;
  border-radius:var(--radius-l);
  padding:26px 24px 28px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.side-entry::before{
  content:"";
  position:absolute;right:-48px;top:-48px;
  width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,90,40,.5),transparent 68%);
}
.side-entry h3{font-size:18px;color:#fff;margin-bottom:10px;position:relative;}
.side-entry p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;margin-bottom:18px;position:relative;}
.side-entry .btn{position:relative;width:100%;}

.side-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  margin-top:18px;
}
.side-stats div{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  padding:12px 14px;
}
.side-stats b{display:block;font-size:20px;color:var(--orange);line-height:1.3;}
.side-stats span{font-size:12.5px;color:var(--ink-3);}

/* ============ 相关推荐 ============ */
.related{padding:0 0 76px;}
.section-head{margin-bottom:32px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:1.6px;
  color:var(--orange);text-transform:none;margin-bottom:10px;
}
.section-head .kicker::before{
  content:"";width:26px;height:3px;border-radius:2px;background:var(--orange);
}
.section-head h2{font-size:31px;letter-spacing:-.5px;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;max-width:640px;}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--orange);
  box-shadow:var(--shadow-hover);
}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-alt);
}
.card-cover img{
  width:100%;height:100%;
  object-fit:cover;border-radius:0;
  transition:transform .45s ease;
}
.card:hover .card-cover img{transform:scale(1.04);}
.card-cover .chip{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);
  color:var(--orange-dark);
  box-shadow:0 4px 12px rgba(18,20,23,.12);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18.5px;line-height:1.45;margin-bottom:10px;}
.card-body h3 a{color:var(--ink);text-decoration:none;}
.card-body h3 a:hover{color:var(--orange);}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;}
.card-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.card-meta .go{color:var(--orange);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.card-meta .go i{transition:transform .2s ease;}
.card:hover .card-meta .go i{transform:translateX(4px);}

/* ============ CTA 转场带 ============ */
.cta-band{
  background:linear-gradient(120deg,#121417 0%,#1E2226 55%,#3A2318 100%);
  color:#fff;
  padding:60px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;left:-80px;bottom:-120px;
  width:340px;height:340px;border-radius:50%;
  border:38px solid rgba(240,90,40,.14);
}
.cta-band::after{
  content:"";
  position:absolute;right:-60px;top:-90px;
  width:260px;height:260px;border-radius:50%;
  border:30px solid rgba(255,200,61,.1);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:12px;letter-spacing:-.5px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:620px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-outline{color:var(--yellow);border-color:rgba(255,200,61,.6);}
.cta-band .btn-outline:hover{background:rgba(255,200,61,.14);color:var(--yellow);}

/* ============ 页脚 ============ */
.site-footer{
  background:#121417;
  color:rgba(255,255,255,.7);
  padding:56px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:42px;
}
.footer-brand{
  display:flex;align-items:center;gap:11px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,#F05A28,#FF8A5C);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;
}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.2px;}
.footer-about{margin:0;line-height:1.72;color:rgba(255,255,255,.6);font-size:14px;}
.site-footer h3{
  font-size:15px;color:#fff;font-weight:700;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:11px;}
.footer-list a{
  color:rgba(255,255,255,.68);
  text-decoration:none;font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-list a:hover{color:var(--orange);text-decoration:none;padding-left:4px;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  margin-bottom:13px;font-size:14px;color:rgba(255,255,255,.68);line-height:1.6;
}
.footer-contact i{color:var(--orange);margin-top:4px;font-size:13px;flex-shrink:0;}
.footer-contact a{color:rgba(255,255,255,.85);}
.footer-contact a:hover{color:var(--orange);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--orange);}

.to-top{
  position:fixed;
  right:22px;bottom:24px;
  width:46px;height:46px;border-radius:14px;
  background:var(--orange);color:#fff;border:none;
  font-size:16px;
  box-shadow:0 10px 26px rgba(240,90,40,.34);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .2s ease;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--orange-dark);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .article-hero h1{font-size:40px;}
  .post-body h2{font-size:26px;}
}

@media screen and (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .main-nav,.header-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
  .article-hero{padding:30px 0 50px;}
  .article-hero h1{font-size:34px;}
  .article-hero .hero-lead{font-size:15.5px;}
  .main-wrap{padding:40px 0 56px;}
  .post-card{padding:28px 24px 32px;}
  .post-body{font-size:16.5px;max-width:100%;}
  .post-body h2{font-size:24px;margin-top:36px;}
  .post-body h3{font-size:19px;}
  .side-sticky{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2{font-size:26px;}
  .cta-inner h2{font-size:25px;}
  .related{padding-bottom:56px;}
}

@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;}
  .brand-text span{display:none;}
  .brand-text b{font-size:15.5px;}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px;}
  .article-hero{padding:24px 0 40px;}
  .article-hero h1{font-size:29px;letter-spacing:-.3px;}
  .article-hero .hero-lead{font-size:15px;}
  .crumbs .current{max-width:180px;}
  .article-meta{gap:10px 18px;font-size:13px;}
  .main-wrap{padding:30px 0 44px;}
  .post-card{padding:22px 18px 26px;border-radius:var(--radius-m);}
  .post-body{font-size:16px;line-height:1.78;}
  .post-body h2{font-size:21.5px;padding-left:12px;border-left-width:4px;}
  .post-body h3{font-size:18px;}
  .post-toc-inline{padding:14px 16px;}
  .post-toc-inline ol{flex-direction:column;gap:6px;}
  .post-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:44px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.5px;}
  .to-top{right:14px;bottom:16px;}
  .side-stats{grid-template-columns:1fr 1fr;}
}

/* roulang page: category1 */
:root{
  --primary:#F05A28;
  --primary-dark:#C9431A;
  --primary-soft:#FDEDE6;
  --green:#0E7C66;
  --green-soft:#E4F2EE;
  --yellow:#FFC83D;
  --bg:#F7F4EE;
  --bg-2:#EDEAE3;
  --dark:#121417;
  --border:#DED9CF;
  --text:#121417;
  --muted:#5C6570;
  --white:#FFFFFF;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(18,20,23,.06);
  --shadow-hover:0 14px 36px rgba(240,90,40,.14);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.72;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;color:var(--text);letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 24px;border-radius:var(--radius-sm);
  font-weight:700;font-size:15.5px;line-height:1.2;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(240,90,40,.24);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(240,90,40,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border);}
.btn-ghost:hover{background:var(--bg-2);color:var(--text);}
.btn-block{width:100%;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;
}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700;line-height:1.4;
}
.badge-orange{background:var(--primary-soft);color:var(--primary-dark);}
.badge-green{background:var(--green-soft);color:var(--green);}
.badge-yellow{background:#FFF6DE;color:#8A6100;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,20,23,.08);}
.header-inner{
  display:flex;align-items:center;gap:24px;min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),#FF8A4C);
  color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text);text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--bg-2);color:var(--primary-dark);text-decoration:none;}
.main-nav a.is-active{background:var(--primary-soft);color:var(--primary-dark);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.header-actions .btn{min-height:42px;padding:9px 18px;font-size:14.5px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--border);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer-cta{display:none;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--dark);
  background-image:linear-gradient(105deg,rgba(18,20,23,.94) 0%,rgba(18,20,23,.86) 46%,rgba(14,124,102,.72) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;
  border-radius:50%;border:56px solid rgba(255,200,61,.10);pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--yellow);}
.breadcrumb span.sep{color:rgba(255,255,255,.4);}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);font-weight:800;letter-spacing:.4px;
  margin:14px 0 18px;max-width:16em;
}
.page-hero h1 .hl{color:var(--yellow);}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:38em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-cta .btn-outline{color:#fff;border-color:rgba(255,255,255,.55);}
.hero-cta .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:18px 42px;margin-top:38px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat strong{display:block;font-size:26px;font-weight:800;color:var(--yellow);line-height:1.2;}
.hero-stat span{font-size:13.5px;color:rgba(255,255,255,.72);}
.hero-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 20px 50px rgba(0,0,0,.36);background:#fff;
}
.hero-figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ 板块 ============ */
.section{padding:80px 0;}
.section-alt{background:var(--bg-2);}
.section-dark{background:var(--dark);color:#fff;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,2.6vw,31px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}
.section-dark .section-head p{color:rgba(255,255,255,.74);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  letter-spacing:1.4px;color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--primary);}
.section-dark .eyebrow{color:var(--yellow);}
.section-dark .eyebrow::before{background:var(--yellow);}

/* ============ 步骤时间线 ============ */
.steps-wrap{position:relative;}
.steps{position:relative;}
.step{
  position:relative;padding-left:68px;padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:attr(data-step);
  position:absolute;left:0;top:0;
  width:44px;height:44px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  border:1px solid #FAD3C4;z-index:2;transition:all .25s ease;
}
.step::after{
  content:"";position:absolute;left:21px;top:48px;bottom:-2px;
  width:2px;background:linear-gradient(180deg,#F6C9B6,var(--border));z-index:1;
}
.step:last-child::after{display:none;}
.step-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);transition:all .25s ease;
}
.step:hover .step-body{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.step:hover::before{background:var(--primary);color:#fff;border-color:var(--primary);}
.step-body h3{font-size:20px;margin-bottom:10px;}
.step-body p{color:var(--muted);font-size:15.5px;}
.step-tip{
  display:flex;gap:9px;align-items:flex-start;margin-top:14px;padding:11px 14px;
  background:var(--green-soft);border-radius:var(--radius-sm);
  font-size:14px;color:var(--green);line-height:1.65;
}
.step-tip i{margin-top:3px;}

/* ============ 粘性登录卡 ============ */
.login-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:0 16px 40px rgba(18,20,23,.09);overflow:hidden;
}
.login-card-head{
  background:linear-gradient(120deg,var(--primary),#FF8A4C);
  color:#fff;padding:20px 22px;
}
.login-card-head h3{color:#fff;font-size:19px;}
.login-card-head p{font-size:13.5px;color:rgba(255,255,255,.9);margin-top:6px;}
.login-card-body{padding:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;color:var(--text);}
.field input{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--border);
  border-radius:var(--radius-sm);background:#fff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.field input::placeholder{color:#A8AEB6;}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(240,90,40,.16);}
.field-hint{font-size:12.5px;color:var(--muted);margin-top:6px;}
.login-form .btn{margin-top:6px;}
.login-foot{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);
  display:flex;justify-content:space-between;gap:10px;font-size:13.5px;
}
.login-foot a{font-weight:600;}
.secure-note{
  margin-top:16px;display:flex;gap:10px;align-items:flex-start;
  background:var(--green-soft);border-radius:var(--radius-sm);padding:12px 14px;
  font-size:13.5px;color:var(--green);line-height:1.6;
}
.secure-note i{margin-top:3px;}

/* ============ 排查卡片 ============ */
.fix-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;height:100%;
  box-shadow:var(--shadow);transition:all .25s ease;
}
.fix-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.fix-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary-dark);font-size:18px;
}
.fix-card h3{font-size:18px;margin-bottom:8px;}
.fix-card p{font-size:15px;color:var(--muted);}
.fix-card .badge{margin-top:12px;}

/* ============ 设备表格 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);
  background:rgba(255,255,255,.05);
}
table.device-table{width:100%;border-collapse:collapse;min-width:640px;}
table.device-table th,table.device-table td{
  padding:16px 20px;text-align:left;font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
table.device-table th{
  background:rgba(255,255,255,.07);color:#fff;font-weight:800;font-size:14.5px;
  white-space:nowrap;
}
table.device-table td{color:rgba(255,255,255,.82);vertical-align:top;}
table.device-table tbody tr:last-child td{border-bottom:none;}
table.device-table tbody tr:hover{background:rgba(240,90,40,.1);}
.device-name{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;}
.device-name i{color:var(--yellow);}

/* ============ 图文区块 ============ */
.split-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);background:#fff;
}
.split-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 0;
  border-bottom:1px dashed var(--border);font-size:15.5px;color:var(--muted);
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--green);margin-top:4px;}
.check-list strong{color:var(--text);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:all .22s ease;
}
.faq-item[open]{border-color:var(--primary);border-left:4px solid var(--primary);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;font-weight:700;font-size:16.5px;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  background:var(--primary-soft);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  transition:all .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--primary);color:#fff;}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.75;color:var(--muted);}
.faq-answer strong{color:var(--text);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(115deg,var(--primary) 0%,#E8551F 52%,#0E7C66 130%);
  color:#fff;padding:52px 48px;
  box-shadow:0 22px 52px rgba(240,90,40,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:44px solid rgba(255,255,255,.12);
}
.cta-band h2{color:#fff;font-size:clamp(23px,2.6vw,30px);margin-bottom:14px;position:relative;}
.cta-band p{color:rgba(255,255,255,.9);max-width:44em;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;}
.cta-band .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 8px 22px rgba(0,0,0,.16);}
.cta-band .btn-primary:hover{background:#FFF4EC;color:var(--primary-dark);}
.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:80px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:18px;font-weight:800;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--primary),#FF8A4C);}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.64);max-width:32em;}
.footer-list li{margin-bottom:11px;}
.footer-list a{color:rgba(255,255,255,.76);font-size:14.5px;}
.footer-list a:hover{color:var(--primary);text-decoration:none;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--primary);margin-top:4px;}
.footer-contact a{color:rgba(255,255,255,.86);}
.footer-contact a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.54);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .section{padding:56px 0;}
  .header-inner{gap:16px;}
  .main-nav{gap:0;}
  .main-nav a{padding:9px 10px;font-size:14.5px;}
  .header-actions .btn-ghost{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:40px 30px;}
  .login-card{position:static;margin-top:8px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:40px 0;}
  .page-hero{padding:40px 0 46px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:14px 28px;}
  .hero-stat strong{font-size:22px;}
  .section-head{margin-bottom:30px;}
  .step{padding-left:56px;}
  .step::before{width:38px;height:38px;font-size:15px;border-radius:12px;}
  .step::after{left:18px;top:42px;}
  .step-body{padding:18px;}
  .fix-card{padding:18px;}

  .nav-toggle{display:flex;margin-left:auto;}
  .header-actions{display:none;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:18px 16px 96px;margin-left:0;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s ease;
    border-top:1px solid var(--border);z-index:70;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{
    padding:16px 14px;border-radius:var(--radius-sm);font-size:16px;
    border-bottom:1px solid var(--bg-2);
  }
  .main-nav a.is-active::after{display:none;}
  .nav-drawer-cta{
    display:flex;flex-direction:column;gap:12px;
    position:fixed;left:16px;right:16px;bottom:18px;z-index:80;
    padding-top:14px;background:linear-gradient(180deg,rgba(255,255,255,0),#fff 40%);
  }
  .nav-drawer-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:44px 0 22px;margin-top:56px;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .login-card-head{padding:18px;}
  .login-card-body{padding:18px;}
}

/* roulang page: category2 */
:root{
  --brand-orange:#F05A28;
  --brand-orange-dark:#C8431A;
  --brand-green:#0E7C66;
  --brand-green-light:#E4F2EE;
  --brand-yellow:#FFC83D;
  --bg:#F7F4EE;
  --bg-soft:#EDEAE3;
  --ink:#121417;
  --ink-soft:#5C6570;
  --border:#DED9CF;
  --white:#FFFFFF;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-input:12px;
  --shadow-sm:0 8px 24px rgba(18,20,23,.06);
  --shadow-hover:0 14px 36px rgba(240,90,40,.14);
  --section-gap:80px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-orange);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--brand-orange-dark);text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--brand-orange);outline-offset:2px;}
h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:46px;}
h2{font-size:30px;}
h3{font-size:21px;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:8px;}
strong{font-weight:700;}
:focus:not(:focus-visible){outline:none;}
.num{font-variant-numeric:tabular-nums;}

/* 容器 */
.grid-container{max-width:1220px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.section{padding:var(--section-gap) 0;}
.section--tight{padding:56px 0;}
.section--soft{background:var(--bg-soft);}
.section--dark{background:#121417;color:#EDEAE3;}
.section--dark h2,.section--dark h3{color:#FFFFFF;}
.section-title{margin-bottom:12px;}
.section-sub{color:var(--ink-soft);font-size:16px;max-width:760px;}
.section-head{margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-orange);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--brand-orange);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  font-size:16px;font-weight:700;font-family:var(--font-sans);
  border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none;line-height:1;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand-orange);color:#fff;box-shadow:0 8px 20px rgba(240,90,40,.24);}
.btn-primary:hover{background:var(--brand-orange-dark);color:#fff;box-shadow:0 14px 30px rgba(240,90,40,.32);}
.btn-outline{background:transparent;color:var(--brand-orange);border-color:var(--brand-orange);}
.btn-outline:hover{background:#FDEDE6;color:var(--brand-orange-dark);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border);}
.btn-ghost:hover{background:var(--bg-soft);color:var(--ink);}
.btn-green{background:var(--brand-green);color:#fff;}
.btn-green:hover{background:#0A6654;color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#F7F4EE;color:var(--brand-orange-dark);}
.btn--block{width:100%;}
.btn-sm{min-height:42px;padding:0 18px;font-size:15px;}

/* 标签 / 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:700;line-height:1.6;
  background:#FDEDE6;color:var(--brand-orange-dark);
}
.badge--green{background:var(--brand-green-light);color:var(--brand-green);}
.badge--yellow{background:#FFF5DB;color:#8A6200;}
.badge--ghost{background:rgba(255,255,255,.14);color:#fff;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,20,23,.09);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand-orange),#F58B45);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--ink-soft);letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink);
  transition:background-color .2s ease,color .2s ease;
}
.main-nav a:hover{background:#FDEDE6;color:var(--brand-orange-dark);text-decoration:none;}
.main-nav a.is-active{color:var(--brand-orange-dark);background:#FDEDE6;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;background:var(--brand-orange);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--ink);
  font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--bg-soft);}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:55;
  background:#fff;padding:20px 20px 120px;overflow-y:auto;
  border-top:1px solid var(--border);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-group-title{font-size:13px;font-weight:700;color:var(--ink-soft);letter-spacing:.08em;margin:18px 0 10px;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--border);background:#fff;margin-bottom:10px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-drawer a.drawer-link.is-active{background:#FDEDE6;border-color:var(--brand-orange);color:var(--brand-orange-dark);}
.mobile-drawer a.drawer-link:hover{text-decoration:none;border-color:var(--brand-orange);}
.drawer-cta{
  position:fixed;left:0;right:0;bottom:0;padding:14px 20px;background:#fff;
  border-top:1px solid var(--border);display:flex;gap:10px;
}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.82);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.92);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.6;}

/* Hero */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:#121417;
  background-image:linear-gradient(105deg,rgba(18,20,23,.94) 0%,rgba(18,20,23,.80) 46%,rgba(240,90,40,.42) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:72px 0 76px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  border:2px dashed rgba(255,200,61,.28);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:2;}
.page-hero h1{color:#fff;font-size:44px;margin-bottom:16px;}
.page-hero h1 em{font-style:normal;color:var(--brand-yellow);}
.hero-lead{font-size:17px;color:rgba(255,255,255,.88);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:14px;color:#fff;margin:0;
}
.hero-points i{color:var(--brand-yellow);}

/* 安全评分卡 */
.score-card{
  background:#fff;color:var(--ink);border-radius:20px;
  padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.28);
  border:1px solid rgba(255,255,255,.4);
}
.score-card .score-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.score-card .score-head h2{font-size:18px;}
.score-ring{
  width:104px;height:104px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  background:conic-gradient(var(--brand-green) 0deg 295deg,#E9E5DD 295deg 360deg);
  position:relative;
}
.score-ring::before{content:"";position:absolute;inset:10px;border-radius:50%;background:#fff;}
.score-ring span{position:relative;z-index:2;}
.score-ring .score-num{font-size:26px;font-weight:800;line-height:1;color:var(--brand-green);}
.score-ring .score-cap{font-size:12px;color:var(--ink-soft);margin-top:2px;}
.score-list{list-style:none;padding:0;margin:0;}
.score-list li{
  display:flex;align-items:flex-start;gap:10px;padding:11px 0;
  border-top:1px dashed var(--border);font-size:14.5px;color:var(--ink);
}
.score-list li:first-child{border-top:none;}
.score-list i{color:var(--brand-green);margin-top:4px;}
.score-list .tag{margin-left:auto;font-size:12px;font-weight:700;color:var(--brand-orange-dark);background:#FDEDE6;border-radius:999px;padding:2px 10px;white-space:nowrap;}

/* 数据条 */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--border);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow-sm);margin-top:-42px;position:relative;z-index:5;
}
.metric-bar .metric{padding:24px 22px;border-left:1px solid var(--border);}
.metric-bar .metric:first-child{border-left:none;}
.metric-bar .metric strong{display:block;font-size:30px;font-weight:800;color:var(--brand-orange);line-height:1.2;}
.metric-bar .metric span{font-size:14px;color:var(--ink-soft);}

/* 检查清单 */
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-item:hover{transform:translateY(-4px);border-color:var(--brand-orange);box-shadow:var(--shadow-hover);}
.check-icon{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:var(--brand-green-light);color:var(--brand-green);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--ink-soft);margin:0;}
.check-item .level{
  margin-left:auto;flex-shrink:0;font-size:12px;font-weight:700;
  color:#8A6200;background:#FFF5DB;border-radius:999px;padding:3px 10px;align-self:flex-start;
}
.aside-card{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow-sm);position:sticky;top:96px;
}
.aside-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.aside-card .aside-body{padding:24px;}
.aside-card h3{font-size:20px;margin-bottom:10px;}
.aside-card p{font-size:15px;color:var(--ink-soft);}
.aside-card ul{list-style:none;padding:0;margin:18px 0 0;}
.aside-card ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;
  padding:10px 0;border-top:1px dashed var(--border);margin:0;
}
.aside-card ul li i{color:var(--brand-orange);margin-top:4px;}

/* 风险双列 */
.risk-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.risk-col{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  padding:28px;box-shadow:var(--shadow-sm);
}
.risk-col--warn{background:#FFF6F2;border-color:#F6C4AE;}
.risk-col--safe{background:var(--brand-green-light);border-color:#BEE0D6;}
.risk-col h3{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:20px;}
.risk-col--warn h3 i{color:var(--brand-orange);}
.risk-col--safe h3 i{color:var(--brand-green);}
.risk-list{list-style:none;padding:0;margin:0;}
.risk-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-top:1px solid rgba(18,20,23,.08);font-size:15px;margin:0;
}
.risk-list li:first-child{border-top:none;padding-top:0;}
.risk-list .dot{
  width:9px;height:9px;border-radius:50%;margin-top:8px;flex-shrink:0;
}
.risk-col--warn .dot{background:var(--brand-orange);}
.risk-col--safe .dot{background:var(--brand-green);}
.risk-list strong{display:block;font-size:15.5px;margin-bottom:3px;}
.risk-list span{color:var(--ink-soft);font-size:14px;}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:26px 22px;
  transition:border-color .25s ease,transform .25s ease,background-color .25s ease;
}
.step:hover{border-color:var(--brand-orange);transform:translateY(-4px);background:rgba(240,90,40,.08);}
.step .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:var(--brand-orange);color:#fff;
  font-weight:800;font-size:17px;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:rgba(237,234,227,.78);margin:0;}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion{border:none;background:transparent;}
.accordion::before,.accordion::after{display:none;}
.accordion .accordion-item{
  border:1px solid var(--border);border-radius:16px;background:#fff;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion .accordion-item.is-active{border-color:var(--brand-orange);border-left:4px solid var(--brand-orange);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;font-size:16.5px;font-weight:700;color:var(--ink);
  border:none;background:#fff;
}
.accordion .accordion-title:hover{background:#FDF7F3;color:var(--brand-orange-dark);text-decoration:none;}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:14px;color:var(--brand-orange);flex-shrink:0;
}
.accordion .accordion-item.is-active .accordion-title::after{content:"\f068";}
.accordion .accordion-content{
  display:none;padding:0 22px 20px;font-size:15px;line-height:1.75;color:var(--ink-soft);
  border:none;background:#fff;
}
.accordion .accordion-content.is-active{display:block;}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(120deg,#121417 0%,#2A1A12 58%,rgba(240,90,40,.55) 100%);
  color:#fff;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 24px 50px rgba(18,20,23,.18);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,200,61,.28),transparent 68%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.82);max-width:640px;margin:0;position:relative;z-index:2;font-size:16px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;flex-shrink:0;}

/* 页脚 */
.site-footer{background:#121417;color:#B9BDC4;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:11px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-about{font-size:14.5px;line-height:1.75;color:#9AA0A8;margin:0;}
.footer-list{list-style:none;padding:0;margin:0;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:#B9BDC4;font-size:14.5px;}
.footer-list a:hover{color:var(--brand-orange);text-decoration:none;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;margin-bottom:12px;
}
.footer-contact i{color:var(--brand-orange);margin-top:5px;}
.footer-contact a{color:#B9BDC4;}
.footer-contact a:hover{color:var(--brand-orange);}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8B9199;
}
.footer-bottom a{color:#B9BDC4;}
.footer-bottom a:hover{color:var(--brand-orange);text-decoration:none;}

/* 响应式 */
@media (max-width:1199px){
  h1{font-size:40px;}
  .page-hero h1{font-size:38px;}
}
@media (max-width:1023px){
  :root{--section-gap:56px;}
  .main-nav{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .check-grid{grid-template-columns:1fr;gap:28px;}
  .aside-card{position:static;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .metric-bar{grid-template-columns:repeat(2,1fr);}
  .metric-bar .metric:nth-child(3){border-left:none;border-top:1px solid var(--border);}
  .metric-bar .metric:nth-child(4){border-top:1px solid var(--border);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-actions{width:100%;}
}
@media (max-width:767px){
  .page-hero h1,.cta-band h2{font-size:32px;}
  h2{font-size:25px;}
  h3{font-size:19px;}
  .risk-grid{grid-template-columns:1fr;}
  .metric-bar{grid-template-columns:1fr;}
  .metric-bar .metric{border-left:none;border-top:1px solid var(--border);}
  .metric-bar .metric:first-child{border-top:none;}
}
@media (max-width:639px){
  :root{--section-gap:40px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:48px 0 56px;}
  .page-hero h1{font-size:30px;}
  .page-hero h1{line-height:1.35;}
  h1{font-size:30px;}
  body{font-size:16px;}
  .brand-text span{display:none;}
  .brand-text strong{font-size:15.5px;}
  .hero-actions .btn,.drawer-cta .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .steps{grid-template-columns:1fr;}
  .check-item{flex-wrap:wrap;}
  .check-item .level{margin-left:0;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .accordion .accordion-title{font-size:15.5px;padding:14px 16px;}
  .accordion .accordion-content{padding:0 16px 18px;}
  .score-card{padding:22px;}
  .section--tight{padding:40px 0;}
}

/* roulang page: category3 */
:root{
  --brand:#F05A28;
  --brand-dark:#C8431A;
  --brand-soft:#FDEDE6;
  --green:#0E7C66;
  --green-soft:#E4F2EE;
  --yellow:#FFC83D;
  --bg:#F7F4EE;
  --bg-soft:#EDEAE3;
  --ink:#121417;
  --muted:#5C6570;
  --line:#DED9CF;
  --card:#FFFFFF;
  --radius-xl:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(18,20,23,.06);
  --shadow-hover:0 14px 36px rgba(240,90,40,.14);
  --section:80px;
}

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

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

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block;}

a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}

h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0 0 14px;letter-spacing:.2px;}
h1{font-size:46px;}
h2{font-size:30px;}
h3{font-size:21px;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}

.num{font-variant-numeric:tabular-nums;}

.grid-container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
  margin:0 auto;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(18,20,23,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  line-height:1.2;
  text-decoration:none;
}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#F58A4B);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:800;
  box-shadow:0 6px 16px rgba(240,90,40,.28);
}
.brand-text{display:flex;flex-direction:column;}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.4px;}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.main-nav a{
  color:#2B3038;
  font-size:15px;
  font-weight:600;
  padding:9px 13px;
  border-radius:999px;
  text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--bg-soft);color:var(--brand-dark);text-decoration:none;}
.main-nav a.is-active{background:var(--brand-soft);color:var(--brand-dark);}

.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}

.mobile-drawer{
  display:none;
  position:fixed;
  inset:72px 0 0 0;
  background:#fff;
  z-index:70;
  padding:20px 20px 96px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer h4{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:1px;margin:18px 0 8px;}
.mobile-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  margin-bottom:8px;
  color:var(--ink);
  font-weight:600;
  text-decoration:none;
}
.mobile-drawer a.is-active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);}
.mobile-drawer a:hover{text-decoration:none;border-color:var(--brand);}
.drawer-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  padding:12px 20px 18px;
  background:#fff;
  border-top:1px solid var(--line);
  display:flex;
  gap:10px;
  z-index:71;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15.5px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(240,90,40,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 14px 30px rgba(240,90,40,.3);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-ghost{background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--bg-soft);color:var(--ink);}
.btn-green{background:var(--green);color:#fff;}
.btn-green:hover{background:#0A6553;color:#fff;}
.btn-block{width:100%;}

/* ---------- tags & badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  background:var(--brand-soft);
  color:var(--brand-dark);
}
.badge-green{background:var(--green-soft);color:var(--green);}
.badge-yellow{background:#FFF6DC;color:#8A6100;}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--yellow);display:inline-block;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(105deg,rgba(18,20,23,.88) 0%,rgba(18,20,23,.72) 46%,rgba(240,90,40,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
  padding:64px 0 72px;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;bottom:-160px;
  width:460px;height:460px;
  border-radius:50%;
  border:44px solid rgba(255,200,61,.14);
}
.hero .grid-container{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.75);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.85);}
.crumb a:hover{color:var(--yellow);text-decoration:none;}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.hero h1{color:#fff;font-size:46px;margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--yellow);}
.hero-lead{
  font-size:17px;
  color:rgba(255,255,255,.86);
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-actions .btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.4);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:rgba(255,255,255,.8);}
.hero-points i{color:var(--yellow);margin-right:6px;}

.hero-card{
  background:#fff;
  color:var(--ink);
  border-radius:var(--radius-xl);
  padding:26px;
  box-shadow:0 18px 44px rgba(0,0,0,.24);
}
.hero-card h3{font-size:18px;margin-bottom:6px;}
.hero-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.metric-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
}
.metric-row:last-of-type{border-bottom:none;}
.metric-row span{color:var(--muted);}
.metric-row strong{font-size:16px;}
.status-live{color:var(--green);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.status-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(14,124,102,.16);}

/* ---------- sections ---------- */
.section{padding:var(--section) 0;}
.section-soft{background:var(--bg-soft);}
.section-white{background:#fff;}
.section-dark{background:#121417;color:#fff;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark p{color:rgba(255,255,255,.78);}

.section-head{max-width:760px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-dark);
  background:var(--brand-soft);
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16.5px;margin:0;}
.section-dark .section-head p{color:rgba(255,255,255,.72);}

/* ---------- service cards ---------- */
.service-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.card-body{padding:24px;}
.card-icon{
  width:48px;height:48px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  margin-bottom:16px;
}
.card-icon.green{background:var(--green-soft);color:var(--green);}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.card-list li{
  font-size:14.5px;
  color:#3A4149;
  padding-left:20px;
  position:relative;
  margin-bottom:8px;
}
.card-list li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--brand);
  opacity:.85;
}
.card-media{aspect-ratio:16/9;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}

/* ---------- support table ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:#fff;
  box-shadow:var(--shadow);
}
table.support-table{
  width:100%;
  border-collapse:collapse;
  min-width:720px;
  margin:0;
}
.support-table thead th{
  background:var(--bg-soft);
  color:var(--ink);
  font-size:14px;
  font-weight:800;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.support-table tbody td{
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:#2B3038;
  vertical-align:top;
}
.support-table tbody tr:last-child td{border-bottom:none;}
.support-table tbody tr:hover{background:#FFFAF7;}
.support-table .chan{font-weight:700;color:var(--ink);}
.support-table .chan i{color:var(--brand);margin-right:8px;}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  position:relative;
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.step::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;
  top:20px;right:22px;
  font-size:26px;
  font-weight:800;
  color:var(--bg-soft);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- band ---------- */
.band-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.band-item{
  border-left:3px solid var(--brand);
  padding-left:16px;
}
.band-item i{color:var(--yellow);font-size:18px;margin-bottom:10px;display:block;}
.band-item h3{font-size:17px;margin-bottom:6px;}
.band-item p{font-size:14.5px;margin:0;}

/* ---------- form ---------- */
.support-layout{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:38px;
  align-items:start;
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:30px;
  box-shadow:var(--shadow);
}
.form-card h3{font-size:23px;margin-bottom:6px;}
.form-card .form-sub{color:var(--muted);font-size:14.5px;margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:700;
  margin-bottom:8px;
  color:#2B3038;
}
.field label .req{color:var(--brand);}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  font-family:inherit;
  font-size:15.5px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.6;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#5C6570 50%),linear-gradient(135deg,#5C6570 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(240,90,40,.16);
  outline:none;
}
.field .tip{font-size:13px;color:var(--muted);margin-top:6px;}
.form-note{
  font-size:13.5px;
  color:var(--muted);
  margin-top:14px;
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.form-note i{color:var(--green);margin-top:3px;}
.form-feedback{
  display:none;
  margin-top:16px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  background:var(--green-soft);
  color:var(--green);
  font-size:14.5px;
  font-weight:600;
}
.form-feedback.show{display:block;}

.check-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:26px;
  box-shadow:var(--shadow);
  margin-bottom:22px;
}
.check-panel h3{font-size:19px;margin-bottom:14px;}
.check-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:#2B3038;
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--brand);margin-top:5px;}
.risk-box{
  background:#FFF8E6;
  border:1px solid #F3DFA8;
  border-radius:var(--radius);
  padding:18px 20px;
  font-size:14.5px;
  color:#6B4E00;
}
.risk-box strong{color:#8A6100;display:block;margin-bottom:6px;}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid transparent;
  border-radius:var(--radius);
  margin-bottom:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-left-color:var(--brand);box-shadow:var(--shadow);}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:14px 20px;
  background:transparent;
  border:none;
  font-family:inherit;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.faq-q i{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-dark);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:transform .2s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(100deg,#121417 0%,#2A1C14 52%,#5E2A12 100%);
  border-radius:24px;
  padding:48px 44px;
  color:#fff;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:30px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,90,40,.42),transparent 68%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.8);margin:0;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{
  background:#121417;
  color:rgba(255,255,255,.76);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:34px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-about{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.62);margin:0;}
.site-footer h3{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-list a:hover{color:var(--brand);text-decoration:none;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  margin-bottom:12px;
  color:rgba(255,255,255,.68);
}
.footer-contact i{color:var(--brand);margin-top:4px;}
.footer-contact a{color:rgba(255,255,255,.85);}
.footer-contact a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  padding:20px 0 26px;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  h1,.hero h1{font-size:42px;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
}

@media screen and (max-width:1023px){
  :root{--section:56px;}
  .main-nav,.nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  h1,.hero h1{font-size:36px;}
  h2{font-size:27px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .band-grid{grid-template-columns:repeat(2,1fr);}
  .support-layout{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{flex-direction:row;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}

@media screen and (max-width:639px){
  :root{--section:40px;}
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-inner{height:64px;gap:12px;}
  .mobile-drawer{inset:64px 0 0 0;}
  .brand{font-size:15.5px;}
  .brand-text small{display:none;}
  h1,.hero h1{font-size:31px;}
  h2{font-size:23px;}
  h3{font-size:18.5px;}
  .hero{padding:38px 0 44px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-card{padding:20px;}
  .service-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .band-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:26px;}
  .form-card{padding:22px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}