/* roulang page: index */
:root{
  --brand:#265F8F;
  --brand-dark:#1E4C73;
  --brand-light:#EAF2F8;
  --gold:#C9A45C;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --ink:#172B3F;
  --muted:#5C6F82;
  --line:#DDE7F0;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 6px 18px rgba(23,43,63,.06);
  --shadow-md:0 12px 32px rgba(23,43,63,.08);
  --shadow-lg:0 18px 46px rgba(23,43,63,.12);
  --container:1200px;
  --gutter:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:46px;line-height:1.2;}
h2{font-size:34px;line-height:1.3;}
h3{font-size:22px;line-height:1.45;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}
.section{padding:92px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--brand);text-transform:none;
  background:var(--brand-light);
  border:1px solid rgba(38,95,143,.16);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow i{color:var(--gold);font-size:11px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:15.5px;font-weight:600;
  line-height:1;
  padding:15px 26px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  min-height:46px;
}
.btn i{font-size:13px;}
.btn-primary{
  background:var(--brand);color:#fff;
  box-shadow:0 10px 24px rgba(38,95,143,.22);
}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(30,76,115,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(30,76,115,.2);}
.btn-ghost{
  background:#fff;color:var(--brand);border-color:rgba(38,95,143,.32);
}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:12px 20px;font-size:14.5px;min-height:44px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.link-more:hover{color:var(--brand-dark);gap:11px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,43,63,.09);}
.header-inner{
  display:flex;align-items:center;gap:26px;
  min-height:82px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(150deg,#3C7BB0,#1E4C73);
  position:relative;display:inline-block;flex-shrink:0;
  box-shadow:0 8px 18px rgba(30,76,115,.25);
}
.brand-mark::before,
.brand-mark::after{
  content:"";position:absolute;border-radius:50%;
  background:#fff;
}
.brand-mark::before{width:6px;height:6px;top:10px;left:11px;opacity:.95;}
.brand-mark::after{width:4px;height:4px;bottom:12px;right:11px;background:var(--gold);}
.brand-mark span{
  position:absolute;width:5px;height:5px;border-radius:50%;
  background:rgba(255,255,255,.72);top:22px;left:23px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:.3px;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 13px;
  font-size:15px;font-weight:500;color:#31485c;
  border-radius:10px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-cta{margin-left:14px;}
.nav-toggle{
  display:none;
  width:46px;height:46px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .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{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:18px var(--gutter) 26px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer .drawer-cta{margin-bottom:16px;}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;
  font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
  min-height:48px;
}
.nav-drawer a.drawer-link i{color:var(--brand);font-size:12px;}
.nav-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:74px 0 84px;
  background:
    radial-gradient(circle at 12% 18%,rgba(38,95,143,.10) 0,transparent 42%),
    radial-gradient(circle at 82% 8%,rgba(201,164,92,.13) 0,transparent 36%),
    linear-gradient(180deg,#F8FBFE 0%,#F2F7FB 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(38,95,143,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 .accent{color:var(--brand);}
.hero-sub{
  font-size:17px;color:var(--muted);line-height:1.85;
  max-width:560px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding-top:22px;border-top:1px solid rgba(38,95,143,.16);
}
.trust-item{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:#33495c;font-weight:500;
}
.trust-item i{color:var(--brand);font-size:13px;}
.hero-media{position:relative;}
.hero-media .hero-photo{
  width:100%;height:420px;object-fit:cover;
  border-radius:20px;
  box-shadow:var(--shadow-lg);
}
.hero-media .hero-badge-card{
  position:absolute;left:-26px;bottom:-26px;
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px 18px;
  box-shadow:var(--shadow-md);
  max-width:290px;
}
.hero-media .hero-badge-card img{width:56px;height:56px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.hero-media .hero-badge-card strong{display:block;font-size:14.5px;color:var(--ink);}
.hero-media .hero-badge-card span{font-size:12.5px;color:var(--muted);line-height:1.5;display:block;}
.hero-media .hero-tag{
  position:absolute;top:18px;right:18px;
  background:rgba(255,255,255,.94);
  border-radius:999px;padding:7px 14px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  box-shadow:var(--shadow-sm);
}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 30px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(38,95,143,.24);}
.pain-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-light);color:var(--brand);
  font-size:14px;font-weight:700;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.pain-card h3{font-size:19px;margin-bottom:10px;}
.pain-card p{color:var(--muted);font-size:15.5px;line-height:1.8;}

/* ---------- solution ---------- */
.solution-wrap{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center;
}
.solution-media{position:relative;}
.solution-media img.main{width:100%;height:440px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-md);}
.solution-media .overlay-card{
  position:absolute;right:-18px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 20px;box-shadow:var(--shadow-md);
  min-width:180px;
}
.solution-media .overlay-card b{display:block;font-size:24px;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.solution-media .overlay-card span{font-size:12.5px;color:var(--muted);}
.steps{position:relative;margin-top:8px;}
.steps::before{
  content:"";position:absolute;left:19px;top:14px;bottom:20px;width:2px;
  background:linear-gradient(180deg,rgba(38,95,143,.4),rgba(38,95,143,.06));
}
.step{position:relative;padding-left:56px;margin-bottom:26px;}
.step:last-child{margin-bottom:0;}
.step-dot{
  position:absolute;left:0;top:2px;
  width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid rgba(38,95,143,.4);
  color:var(--brand);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,background-color .2s ease,color .2s ease;
}
.step:hover .step-dot{background:var(--brand);color:#fff;border-color:var(--brand);}
.step h3{font-size:18px;margin-bottom:6px;}
.step p{color:var(--muted);font-size:15.5px;line-height:1.8;}

/* ---------- results ---------- */
.results{
  background:linear-gradient(180deg,#EDF4FA,#E7F0F8);
  border-top:1px solid rgba(38,95,143,.12);
  border-bottom:1px solid rgba(38,95,143,.12);
}
.results-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.result-card{
  background:rgba(255,255,255,.78);
  border:1px solid rgba(38,95,143,.16);
  border-radius:16px;padding:28px 24px;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.result-card:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.result-card .num{
  font-size:38px;font-weight:700;color:var(--brand);line-height:1.1;
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.result-card .num small{font-size:15px;font-weight:600;color:var(--brand);margin-left:4px;}
.result-card p{color:#3a5165;font-size:14.5px;line-height:1.75;}

/* ---------- testimonial ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:18px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.voice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.voice-quote{color:var(--gold);font-size:20px;line-height:1;}
.voice-card p{font-size:15.5px;color:#31485c;line-height:1.85;flex:1;}
.voice-person{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;
}
.voice-person strong{display:block;font-size:14.5px;color:var(--ink);}
.voice-person span{display:block;font-size:12.5px;color:var(--muted);}

/* ---------- news ---------- */
.news{background:#fff;border-top:1px solid var(--line);}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(38,95,143,.24);}
.news-cover{position:relative;overflow:hidden;}
.news-cover img{width:100%;height:190px;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-light);border-radius:999px;
  padding:5px 12px;align-self:flex-start;
}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);}
.news-body h3{font-size:18px;line-height:1.5;}
.news-body h3 a{color:var(--ink);}
.news-body h3 a:hover{color:var(--brand);}
.news-body .excerpt{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#7b8b9b;padding-top:6px;border-top:1px solid var(--line);}
.news-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-empty{
  grid-column:1/-1;
  background:var(--brand-light);
  border:1px dashed rgba(38,95,143,.34);
  border-radius:var(--radius-lg);
  padding:52px 32px;text-align:center;
}
.news-empty i{font-size:26px;color:var(--brand);opacity:.7;display:block;margin-bottom:12px;}
.news-empty p{color:#3d566b;font-size:15.5px;margin-bottom:18px;}
.pager-visual{display:flex;justify-content:center;gap:10px;margin-top:44px;}
.pager-visual span,
.pager-visual a{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 14px;
  border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:#3a5165;
}
.pager-visual .current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.pager-visual a:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- faq ---------- */
.faq{background:var(--bg);}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:15px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(38,95,143,.28);}
.faq-item.is-open{border-color:rgba(38,95,143,.4);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;
  padding:18px 22px;min-height:58px;
  font-size:16.5px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;
  transition:transform .22s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-q i{color:var(--brand);font-size:13px;transition:transform .25s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 22px 22px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- final cta ---------- */
.final-cta{position:relative;overflow:hidden;padding:88px 0;background:linear-gradient(135deg,#1E4C73,#265F8F 62%,#2E6B9C);}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:30px 30px;opacity:.45;
  mask-image:radial-gradient(circle at 78% 30%,#000,transparent 70%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.cta-copy h2{color:#fff;margin-bottom:16px;}
.cta-copy p{color:rgba(255,255,255,.84);font-size:16.5px;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-light{background:#fff;color:var(--brand-dark);border-color:#fff;box-shadow:0 12px 26px rgba(0,0,0,.16);}
.btn-light:hover{background:#F1F6FB;color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px);}
.cta-panel{
  background:rgba(255,255,255,.97);
  border-radius:20px;padding:28px;
  box-shadow:0 22px 50px rgba(10,28,44,.28);
}
.cta-panel h3{font-size:18px;margin-bottom:8px;}
.cta-panel > p{font-size:14px;color:var(--muted);margin-bottom:18px;line-height:1.7;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:#33495c;margin-bottom:7px;}
.field input,
.field select{
  width:100%;height:47px;
  border:1px solid var(--line);border-radius:12px;
  background:#FAFCFE;padding:0 14px;
  font-size:15px;color:var(--ink);font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input:focus,
.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(38,95,143,.14);
}
.form-note{font-size:12.5px;color:#7b8b9b;margin-top:12px;line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{
  background:#12283B;color:#C3D2DF;
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-name{color:#fff;font-size:17px;}
.footer-brand .brand-sub{color:rgba(195,210,223,.72);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(195,210,223,.82);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:rgba(195,210,223,.86);font-size:14px;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col p{color:rgba(195,210,223,.8);font-size:14px;line-height:1.9;}
.footer-cta-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:20px;
}
.footer-cta-box p{color:rgba(195,210,223,.82);font-size:13.5px;margin-bottom:14px;line-height:1.75;}
.footer-cta-box .btn{background:#fff;color:var(--brand-dark);border-color:#fff;}
.footer-cta-box .btn:hover{background:#EAF2F8;color:var(--brand-dark);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;flex-wrap:wrap;
  font-size:13px;color:rgba(195,210,223,.62);
}
.footer-bottom a{color:rgba(195,210,223,.72);}
.footer-bottom a:hover{color:#fff;}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  color:rgba(195,210,223,.82);font-size:13px;
}
.to-top:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--container:1160px;}
}
@media (max-width:1023px){
  :root{--gutter:24px;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  h1{font-size:38px;}
  h2{font-size:29px;}
  .hero{padding:56px 0 68px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-media .hero-photo{height:360px;}
  .hero-media .hero-badge-card{left:auto;right:16px;bottom:-22px;}
  .pain-grid{grid-template-columns:1fr 1fr;}
  .solution-wrap{grid-template-columns:1fr;gap:40px;}
  .solution-media img.main{height:360px;}
  .solution-media .overlay-card{right:14px;bottom:-16px;}
  .results-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  :root{--gutter:16px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  h1{font-size:32px;line-height:1.25;}
  h2{font-size:25px;}
  h3{font-size:19px;}
  .header-inner{min-height:72px;gap:14px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10.5px;}
  .hero{padding:44px 0 56px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-media .hero-photo{height:270px;}
  .hero-media .hero-badge-card{position:static;margin-top:16px;max-width:100%;}
  .hero-media .hero-tag{top:12px;right:12px;font-size:11.5px;}
  .trust-bar{gap:12px;flex-direction:column;align-items:flex-start;}
  .pain-grid{grid-template-columns:1fr;gap:16px;}
  .pain-card{padding:24px;}
  .solution-media img.main{height:260px;}
  .solution-media .overlay-card{position:static;margin-top:14px;min-width:0;}
  .results-grid{grid-template-columns:1fr;gap:16px;}
  .result-card{padding:22px;}
  .result-card .num{font-size:32px;}
  .news-grid{grid-template-columns:1fr;gap:18px;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .voice-card{padding:24px;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .final-cta{padding:60px 0;}
  .cta-panel{padding:22px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#265F8F;
  --brand-dark:#1E4C73;
  --brand-light:#EAF2F8;
  --gold:#C9A45C;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ink:#172B3F;
  --ink-2:#5C6F82;
  --line:#DDE7F0;
  --radius-lg:20px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(23,43,63,.08);
  --shadow-hover:0 18px 40px rgba(23,43,63,.13);
  --space-section:92px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px;object-fit:cover;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:.2px;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:22px;}
li{margin-bottom:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:500;letter-spacing:.4px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,43,63,.08);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:80px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(145deg,var(--brand),var(--brand-dark));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(38,95,143,.28);
  flex-shrink:0;
}
.brand-mark span{
  width:10px;height:10px;border-radius:50%;
  background:#fff;position:relative;display:block;
}
.brand-mark span::before,.brand-mark span::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  border-radius:50%;background:rgba(255,255,255,.45);
}
.brand-mark span::before{width:2px;height:22px;}
.brand-mark span::after{width:22px;height:2px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.3px;}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.5px;margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);font-weight:500;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-light);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);font-weight:600;background:var(--brand-light);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 20px;border-radius:12px;
  background:var(--brand);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 10px 22px rgba(38,95,143,.24);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px rgba(38,95,143,.3);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;margin-left:auto;
  width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Breadcrumb */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#A9BACB;}
.crumb .current{color:var(--ink);font-weight:500;}

/* Article head */
.article-head{padding:26px 0 40px;}
.article-head .tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;
}
.tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);}
.article-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;
  letter-spacing:.4px;
  max-width:920px;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:22px;
  margin-top:22px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}
.meta-row span{display:inline-flex;align-items:center;gap:8px;}
.meta-row i{color:var(--brand);font-size:13px;}

/* Layout */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:44px;
  padding-bottom:var(--space-section);
  align-items:start;
}
.article-main{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:44px 46px 40px;
}
.article-body{font-size:16.5px;line-height:1.85;color:#243B52;}
.article-body h2{
  font-size:27px;line-height:1.35;
  margin:44px 0 16px;padding-left:14px;
  border-left:4px solid var(--brand);
  border-radius:2px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--brand-dark);}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 20px;}
.article-body li{margin-bottom:10px;}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;
  background:var(--brand-light);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--brand-dark);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:26px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:600;}
.article-body a{text-decoration:underline;}

.empty-state{
  text-align:center;padding:60px 20px;
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:18px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);margin-bottom:24px;}

/* Aside */
.article-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px 24px;
}
.side-card h3{
  font-size:16px;margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3 i{color:var(--gold);font-size:14px;}
.side-note{
  background:var(--brand-light);
  border:1px solid #D3E3EF;
  border-radius:var(--radius);
  padding:24px;
}
.side-note h3{color:var(--brand-dark);}
.side-note p{font-size:14px;color:#3E5C77;margin-bottom:16px;}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{margin-bottom:0;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink);
  border-bottom:1px dashed var(--line);
  transition:color .2s ease,padding-left .2s ease;
}
.side-list li:last-child a{border-bottom:none;}
.side-list a:hover{color:var(--brand);padding-left:4px;}
.side-list i{font-size:11px;color:#A9BACB;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(38,95,143,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(38,95,143,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C3D8E8;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{height:44px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;
}

/* Related */
.related-section{padding:0 0 var(--space-section);}
.section-head{margin-bottom:30px;}
.section-head h2{font-size:clamp(22px,3vw,30px);margin-top:14px;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:680px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.related-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.related-card .thumb img{width:100%;height:100%;border-radius:0;transition:transform .5s ease;}
.related-card:hover .thumb img{transform:scale(1.05);}
.related-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.related-card .cat{font-size:12px;color:var(--brand);font-weight:600;margin-bottom:10px;letter-spacing:.4px;}
.related-card h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;}
.related-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;flex:1;}
.related-card .more{font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px;}
.related-card:hover .more i{transform:translateX(4px);}
.related-card .more i{transition:transform .25s ease;}

/* FAQ */
.faq-section{padding:0 0 var(--space-section);}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 6px 18px rgba(23,43,63,.05);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#C3D8E8;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 22px;
  background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{font-size:12px;color:var(--brand);transition:transform .3s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 22px 20px 22px;
  border-left:3px solid var(--brand);
  margin-left:22px;
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.faq-a-inner p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{padding:0 0 var(--space-section);}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:24px;
  background:linear-gradient(135deg,#EAF2F8 0%,#F7FAFD 58%,#FFFFFF 100%);
  border:1px solid #D3E3EF;
  padding:56px 56px;
  display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center;
}
.cta-box::before{
  content:"";position:absolute;right:-60px;top:-70px;width:300px;height:300px;
  background-image:radial-gradient(rgba(38,95,143,.22) 1.4px,transparent 1.4px);
  background-size:22px 22px;opacity:.55;pointer-events:none;
}
.cta-box h2{font-size:clamp(23px,3vw,32px);margin-top:14px;position:relative;}
.cta-box p{color:var(--ink-2);margin:14px 0 0;max-width:520px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;}

/* Footer */
.site-footer{background:#132A3D;color:#B9CBD9;padding:66px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#8FA8BC;}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FB5C6;margin:0;max-width:330px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.4px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:#9FB5C6;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-cta-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:22px;
}
.footer-cta-box p{font-size:13.5px;color:#B9CBD9;margin:0 0 16px;line-height:1.7;}
.footer-cta-box .btn{background:#fff;color:var(--brand-dark);box-shadow:none;}
.footer-cta-box .btn:hover{background:var(--brand-light);color:var(--brand-dark);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#8FA8BC;
}
.to-top{color:#B9CBD9;display:inline-flex;align-items:center;gap:8px;}
.to-top:hover{color:#fff;}

/* Responsive */
@media (max-width:1180px){
  .container{padding:0 24px;}
  .article-layout{gap:32px;}
  .article-main{padding:36px 32px;}
  .cta-box{padding:46px 38px;}
}
@media (max-width:1023px){
  :root{--space-section:70px;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(23,43,63,.1);
    padding:16px 24px 22px;
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:flex;}
  .nav-cta{order:-1;margin:0 12px 8px;justify-content:center;height:46px;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-main{padding:32px 24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{min-height:70px;gap:14px;}
  .brand-name{font-size:15.5px;}
  .brand-sub{font-size:10.5px;}
  .brand-mark{width:36px;height:36px;border-radius:11px;}
  .article-head{padding:20px 0 30px;}
  .meta-row{gap:14px;font-size:12.5px;}
  .article-main{padding:26px 20px;border-radius:16px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a-inner{margin-left:18px;padding:0 18px 18px 18px;}
  .cta-box{padding:32px 22px;border-radius:18px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{padding-top:50px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .side-card{padding:22px 20px;}
}
@media (max-width:520px){
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;}
  .related-card h3{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#265F8F;
  --brand-dark:#1E4C73;
  --brand-soft:#EAF2F8;
  --gold:#C9A45C;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --ink:#172B3F;
  --muted:#5C6F82;
  --line:#DDE7F0;
  --radius:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(23,43,63,.08);
  --shadow-hover:0 18px 42px rgba(23,43,63,.13);
  --shadow-soft:0 6px 18px rgba(23,43,63,.05);
  --space:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4,h5,h6{
  font-family:inherit;
  color:var(--ink);
  font-weight:700;
  margin:0;
  line-height:1.3;
  letter-spacing:.2px;
}
h1{font-size:clamp(30px,3.6vw,48px);line-height:1.22;}
h2{font-size:clamp(25px,2.6vw,34px);line-height:1.3;}
h3{font-size:22px;line-height:1.4;}
h4{font-size:17px;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
::selection{background:rgba(38,95,143,.16);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(38,95,143,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(30,76,115,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(30,76,115,.22);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFD6E7;}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn i{font-size:13px;}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.5;
}
.badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}
.badge-plain::before{display:none;}
.badge-light{background:rgba(255,255,255,.14);color:#E4EEF6;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(23,43,63,.09);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:80px;
  position:relative;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(155deg,#2F6E9F,#1B4568);
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(30,76,115,.28);
}
.brand-mark span{
  width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:10px -8px 0 -1.5px rgba(255,255,255,.8),-9px 8px 0 -1.5px rgba(255,255,255,.55),1px -12px 0 -2px rgba(255,255,255,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.3px;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.2px;}

.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:11px 13px;
  border-radius:10px;
  font-size:14.5px;
  color:#3C556B;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:600;background:transparent;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:3px;
  height:2px;border-radius:2px;
  background:var(--gold);
}
.nav-cta{flex:0 0 auto;}
.nav-cta-mobile{display:none;}

.nav-toggle{
  display:none;
  width:46px;height:46px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--brand);
  font-size:18px;
  cursor:pointer;
}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ===== 面包屑 ===== */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#AFC2D3;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:52px 0 72px;
  background:linear-gradient(180deg,#F2F7FB 0%,#F6F9FC 78%);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(38,95,143,.14) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 .hl{color:var(--brand);}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13.5px;
  color:#48627A;
}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts i{color:var(--gold);font-size:12px;}

.hero-media{position:relative;padding:0 0 26px 26px;}
.hero-media .media-main{
  width:100%;
  aspect-ratio:4/3.05;
  object-fit:cover;
  border-radius:20px;
  box-shadow:0 22px 48px rgba(23,43,63,.16);
}
.hero-media .media-float{
  position:absolute;
  left:0;bottom:0;
  width:58%;
  max-width:268px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  box-shadow:0 16px 34px rgba(23,43,63,.14);
  display:flex;
  gap:12px;
  align-items:center;
}
.hero-media .media-float img{
  width:56px;height:56px;border-radius:12px;object-fit:cover;flex:0 0 auto;
}
.hero-media .media-float strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.4;}
.hero-media .media-float small{display:block;font-size:12.5px;color:var(--muted);line-height:1.5;}

/* ===== 数据条 ===== */
.stat-strip{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat-item{
  padding:28px 24px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-num{
  display:block;
  font-size:30px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ===== 通用板块 ===== */
.section{padding:var(--space) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin:14px 0 14px;}
.section-head p{color:var(--muted);font-size:16.5px;line-height:1.8;}

/* ===== 时间线 ===== */
.step-list{position:relative;max-width:900px;}
.step-list::before{
  content:"";
  position:absolute;
  left:27px;top:14px;bottom:38px;
  width:2px;
  background:linear-gradient(180deg,rgba(38,95,143,.5),rgba(38,95,143,.1));
  border-radius:2px;
}
.step-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:24px;
  padding-bottom:26px;
}
.step-item:last-child{padding-bottom:0;}
.step-num{
  width:56px;height:56px;
  border-radius:18px;
  background:#fff;
  border:1px solid #C9DEEE;
  color:var(--brand);
  font-size:18px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--shadow-soft);
  position:relative;
  z-index:2;
  font-variant-numeric:tabular-nums;
}
.step-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CBDDEB;}
.step-body h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.step-body h3 .tag{
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 10px;
}
.step-body p{color:var(--muted);font-size:15.5px;margin-bottom:0;}
.step-points{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.step-points span{
  font-size:13px;color:#3F5B73;background:#F4F8FB;
  border:1px solid #E3EDF5;border-radius:8px;padding:4px 10px;
}

/* ===== 提示条 ===== */
.tip-bar{
  display:flex;
  align-items:flex-start;
  gap:14px;
  background:#FFF9EE;
  border:1px solid #EEDFBE;
  border-radius:var(--radius-md);
  padding:18px 22px;
  margin-top:40px;
}
.tip-bar i{color:var(--gold);font-size:17px;margin-top:4px;}
.tip-bar p{font-size:14.5px;color:#6B5732;margin:0;line-height:1.75;}
.tip-bar strong{color:#4E3F22;}

/* ===== 双栏排查 ===== */
.dual-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow-soft);
}
.panel h3{font-size:20px;margin-bottom:8px;}
.panel .panel-desc{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.check-list{display:grid;gap:14px;}
.check-list li{
  display:grid;
  grid-template-columns:26px 1fr;
  gap:12px;
  font-size:15px;
  color:#3A5268;
  line-height:1.75;
}
.check-list li i{
  width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;
  margin-top:4px;
}
.check-list li strong{color:var(--ink);}

.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);}
.info-table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  margin:0;
  font-size:14.5px;
  background:#fff;
}
.info-table th{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
  text-align:left;
  padding:13px 16px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.info-table td{
  padding:13px 16px;
  border-bottom:1px solid #EDF3F8;
  color:#456076;
  vertical-align:top;
}
.info-table tr:last-child td{border-bottom:0;}
.info-table tr:hover td{background:#FAFCFE;}

.note-card{
  background:var(--brand-soft);
  border:1px solid #D2E4F1;
  border-radius:var(--radius-md);
  padding:20px 22px;
  margin-top:20px;
}
.note-card h4{font-size:15.5px;color:var(--brand-dark);margin-bottom:8px;}
.note-card p{font-size:14px;color:#456076;margin:0;line-height:1.75;}

/* ===== FAQ ===== */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:#fff;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.accordion-item:hover{border-color:#CBDDEB;box-shadow:0 10px 26px rgba(23,43,63,.08);}
.accordion-title{
  display:block;
  position:relative;
  padding:19px 56px 19px 24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  border:0;
  line-height:1.55;
  background:#fff;
}
.accordion-title:hover,.accordion-title:focus{background:#FAFCFE;color:var(--brand);}
.accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:12px;
  color:var(--brand);
  transition:transform .25s ease;
}
.accordion-item.is-active{border-color:#C3DAEA;box-shadow:0 14px 32px rgba(23,43,63,.1);}
.accordion-item.is-active .accordion-title{box-shadow:inset 3px 0 0 var(--brand);color:var(--brand-dark);}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);}
.accordion-content{
  display:none;
  padding:0 24px 22px 24px;
  border:0;
  background:#fff;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.accordion-item.is-active > .accordion-content{display:block;}

/* ===== 结束 CTA ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#F1F7FC 0%,#E9F1F8 100%);
  border-top:1px solid var(--line);
  padding:72px 0;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:380px;height:380px;
  border-radius:50%;
  background-image:radial-gradient(rgba(38,95,143,.22) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.6;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:32px;
  align-items:center;
}
.cta-inner h2{margin-bottom:14px;}
.cta-inner p{color:var(--muted);font-size:16px;max-width:640px;margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-actions .btn{width:100%;}

/* ===== 页脚 ===== */
.site-footer{
  background:#12263A;
  color:#C6D5E2;
  padding-top:64px;
}
.site-footer .container{width:100%;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr .9fr 1fr;
  gap:36px;
  padding-bottom:46px;
}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#8FA9BE;}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:#9DB2C4;
  max-width:350px;
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#A9BFD1;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-cta-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:20px;
}
.footer-cta-box p{font-size:13.5px;line-height:1.75;color:#B7CBDB;margin:0 0 14px;}
.site-footer .btn-sm{background:#fff;color:#1E4C73;box-shadow:none;}
.site-footer .btn-sm:hover{background:#EAF2F8;color:#173654;transform:translateY(-2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.13);
  padding:22px 0 26px;
  font-size:13px;
  color:#8FA9BE;
}
.to-top{color:#B7CBDB;display:inline-flex;align-items:center;gap:7px;}
.to-top:hover{color:#fff;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:1240px;}
}
@media (max-width:1023px){
  :root{--space:72px;}
  .container{padding:0 24px;}
  .header-inner{min-height:74px;gap:14px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(23,43,63,.12);
    padding:16px;
    border-radius:0 0 16px 16px;
  }
  .main-nav.is-open{display:flex;}
  .main-nav .nav-link{padding:14px 12px;font-size:15.5px;border-radius:10px;}
  .main-nav .nav-link.is-active::after{display:none;}
  .main-nav .nav-link.is-active{background:var(--brand-soft);}
  .nav-cta{display:none;}
  .nav-cta-mobile{display:inline-flex;margin-bottom:8px;}
  .hero-media{padding:0;margin-top:34px;}
  .hero-media .media-float{position:static;width:100%;max-width:none;margin-top:16px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid var(--line);}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-last-child(-n+2){border-bottom:0;}
  .dual-grid{grid-template-columns:1fr;gap:24px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .step-list::before{left:23px;}
  .step-item{grid-template-columns:48px 1fr;gap:18px;}
  .step-num{width:48px;height:48px;border-radius:14px;font-size:16px;}
}
@media (max-width:767px){
  :root{--space:56px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .brand-sub{display:none;}
  .page-hero{padding:34px 0 52px;}
  .hero-lead{font-size:16px;}
  .section-head{margin-bottom:30px;}
  .panel{padding:22px;}
  .step-body{padding:20px;}
  .step-body h3{font-size:17.5px;}
  .accordion-title{padding:16px 48px 16px 18px;font-size:15.5px;}
  .accordion-content{padding:0 18px 18px 18px;font-size:14.5px;}
  .cta-band{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px;}
  .footer-bottom{font-size:12.5px;justify-content:flex-start;}
  .tip-bar{padding:16px 18px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 18px;}
  .stat-item:last-child{border-bottom:0;}
  .stat-num{font-size:26px;}
  .hero-facts{flex-direction:column;gap:8px;}
  .nav-toggle{width:44px;height:44px;}
}

/* roulang page: category2 */
:root{
  --primary:#265F8F;
  --primary-dark:#1E4C73;
  --primary-soft:#EAF2F8;
  --gold:#C9A45C;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ink:#172B3F;
  --muted:#5C6F82;
  --line:#DDE7F0;
  --danger:#B5503F;
  --ok:#2F7A5B;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(23,43,63,.05);
  --shadow:0 12px 32px rgba(23,43,63,.08);
  --shadow-lg:0 18px 44px rgba(23,43,63,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --max:1200px;
  --space-section:92px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:46px;line-height:1.22;}
h2{font-size:34px;line-height:1.32;}
h3{font-size:23px;line-height:1.4;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

/* ===== Foundation 默认味道覆盖 ===== */
body,.button,button,select,textarea,input{font-family:var(--font);}
a:not(.btn){color:var(--primary);}
.foundation-reset{all:unset;}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{
  box-shadow:0 8px 24px rgba(23,43,63,.08);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:80px;
  padding-top:10px;
  padding-bottom:10px;
  flex-wrap:wrap;
}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(150deg,#2E6E9F,#1E4C73);
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(38,95,143,.28);
}
.brand-mark::before{
  content:"";position:absolute;width:6px;height:6px;border-radius:50%;
  background:var(--gold);top:9px;left:10px;box-shadow:13px 6px 0 -1px rgba(255,255,255,.85),7px 17px 0 -1.5px rgba(255,255,255,.7);
}
.brand-mark span{
  width:12px;height:12px;border:2px solid rgba(255,255,255,.9);
  border-radius:50%;position:absolute;right:8px;bottom:8px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.3px;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px;}
.main-nav{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;flex-wrap:wrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:15px;
  font-weight:500;
  color:#3D556B;
  border-radius:10px;
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary-dark);font-weight:600;background:var(--primary-soft);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border:1px solid var(--line);
  background:#fff;border-radius:12px;
  color:var(--primary-dark);font-size:17px;
  align-items:center;justify-content:center;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  line-height:1;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(38,95,143,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(38,95,143,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(38,95,143,.24);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#BFD6E7;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:44px;padding:0 16px;font-size:14.5px;}
.btn-block{width:100%;}

/* ===== 面包屑 ===== */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;
  font-size:13.5px;color:var(--muted);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#B9CBD9;}
.crumbs .current{color:var(--ink);font-weight:600;}

/* ===== 页面首屏 ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 12% 22%,rgba(38,95,143,.10) 0 1.4px,transparent 1.6px) 0 0/26px 26px,
    linear-gradient(180deg,#F0F7FC 0%,#F6F9FC 78%);
  padding-bottom:72px;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(38,95,143,.13);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  padding-top:44px;
  position:relative;z-index:2;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid #CFE1EF;
  color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.3px;
  box-shadow:var(--shadow-sm);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;}
.hero-title{margin:20px 0 16px;}
.hero-lead{
  font-size:17px;color:#3B5468;line-height:1.85;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  margin-top:30px;padding-top:22px;
  border-top:1px dashed #CFDEEC;
  font-size:13.5px;color:var(--muted);
}
.trust-bar span{display:inline-flex;align-items:center;gap:7px;}
.trust-bar i{color:var(--primary);font-size:12px;}

.hero-media{position:relative;}
.hero-media .hero-img{
  width:100%;height:430px;object-fit:cover;
  border-radius:20px;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.7);
}
.hero-float{
  position:absolute;right:-6px;bottom:-26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
  padding:16px 18px;
  min-width:216px;
}
.hero-float .hf-label{font-size:12.5px;color:var(--muted);letter-spacing:.4px;margin-bottom:10px;}
.hero-float .hf-row{
  display:flex;align-items:baseline;justify-content:space-between;
  font-size:13.5px;color:#3B5468;padding:5px 0;
  border-bottom:1px dashed #E4EDF4;
}
.hero-float .hf-row:last-child{border-bottom:none;}
.hero-float .hf-num{
  font-variant-numeric:tabular-nums;
  font-weight:700;color:var(--primary-dark);font-size:16px;
}

/* ===== 板块 ===== */
.section{padding:var(--space-section) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:1.6px;
  color:var(--primary);text-transform:none;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}

/* ===== 双栏：清单 + 提示卡 ===== */
.duo-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:start;
}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:32px;
}
.panel-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:700;margin-bottom:8px;
}
.panel-title .num{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:var(--primary-soft);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.panel-desc{color:var(--muted);font-size:14.5px;margin:0 0 22px;}

.checklist{display:grid;gap:6px;}
.check-item{
  display:grid;
  grid-template-columns:36px 1fr;
  gap:14px;
  padding:16px 14px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.check-item:hover{background:#F8FBFE;border-color:#E3EDF6;transform:translateY(-1px);}
.check-icon{
  width:36px;height:36px;border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
}
.check-item h3{font-size:16.5px;margin-bottom:5px;font-weight:600;}
.check-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.check-hint{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:8px;font-size:12.5px;color:var(--gold);font-weight:600;
}
.check-hint i{font-size:11px;}

/* 提示卡 */
.tip-card{
  background:linear-gradient(180deg,#EEF5FB 0%,#F7FBFE 100%);
  border:1px solid #D6E5F1;
  border-radius:var(--radius-lg);
  padding:26px;
  margin-bottom:24px;
}
.tip-card h3{font-size:17.5px;display:flex;align-items:center;gap:9px;margin-bottom:14px;}
.tip-card h3 i{color:var(--gold);}
.tip-list{display:grid;gap:12px;}
.tip-list li{
  display:grid;grid-template-columns:18px 1fr;gap:10px;
  font-size:14.5px;color:#3B5468;line-height:1.72;
}
.tip-list li i{color:var(--primary);font-size:12px;margin-top:6px;}

/* 信息表 */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.table-head{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  font-size:14px;font-weight:700;color:var(--primary-dark);
  display:flex;align-items:center;gap:8px;
  background:#F8FBFE;
}
.table-scroll{overflow-x:auto;}
table.data-table{
  width:100%;
  border-collapse:collapse;
  min-width:520px;
  font-size:14px;
  background:#fff;
}
table.data-table th,table.data-table td{
  padding:13px 18px;
  text-align:left;
  border-bottom:1px solid #EBF2F8;
  vertical-align:top;
}
table.data-table thead th{
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-weight:600;
  font-size:13.5px;
  letter-spacing:.2px;
  border-bottom:1px solid #D3E3EF;
}
table.data-table tbody tr:hover{background:#FAFCFE;}
table.data-table tbody tr:last-child td{border-bottom:none;}
table.data-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}
.table-note{
  padding:13px 20px;font-size:12.8px;color:var(--muted);
  background:#FBFDFF;border-top:1px solid #EBF2F8;
}

/* ===== 常见卡点列表 ===== */
.issue-list{display:grid;gap:14px;}
.issue-item{
  display:grid;
  grid-template-columns:64px 1fr auto;
  align-items:center;
  gap:22px;
  padding:24px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.issue-item:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#C9DDEB;}
.issue-idx{
  font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:#BBD3E4;
  line-height:1;
}
.issue-body h3{font-size:18px;margin-bottom:6px;}
.issue-body p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.issue-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;white-space:nowrap;
}
.issue-item:hover .issue-tag{background:#DDEBF6;}

/* ===== 处理顺序步骤 ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.step-card::before{
  counter-increment:step;
  content:"0" counter(step);
  display:inline-block;
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--gold);
  margin-bottom:12px;
}
.step-card::after{
  content:"";position:absolute;top:36px;right:-10px;width:20px;height:1px;
  background:#D3E3EF;
}
.step-card:last-child::after{display:none;}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#C9DDEB;box-shadow:var(--shadow-sm);}
.faq-item.is-open{border-color:#BFD6E7;box-shadow:var(--shadow-sm);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 26px;
  min-height:58px;
  background:transparent;
  border:0;
  font-size:16.5px;font-weight:600;color:var(--ink);
  text-align:left;
  transition:background-color .2s ease,color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--primary);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;
  transition:transform .22s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-q:hover{background:#FAFCFE;color:var(--primary-dark);}
.faq-q i{color:var(--primary);font-size:13px;transition:transform .25s ease;flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  margin:0;
  padding:0 26px 22px;
  font-size:15px;color:var(--muted);line-height:1.85;
}
.faq-item.is-open .faq-a{max-height:360px;}

/* ===== 终 CTA ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 82% 30%,rgba(38,95,143,.14) 0 1.5px,transparent 1.7px) 0 0/24px 24px,
    linear-gradient(120deg,#EAF3FA 0%,#F7FBFE 100%);
  border:1px solid #D6E5F1;
  border-radius:22px;
  padding:54px 48px;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:36px;
  align-items:center;
}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{color:#3B5468;font-size:15.5px;margin:0;max-width:600px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-actions .btn{width:100%;}
.cta-actions .cta-sub{
  font-size:12.8px;color:var(--muted);text-align:center;
}

/* ===== 页脚 ===== */
.site-footer{
  background:#172B3F;
  color:#C6D5E2;
  margin-top:0;
  padding-top:64px;
}
.site-footer a{color:#C6D5E2;}
.site-footer a:hover{color:#fff;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#8FA6BA;}
.site-footer .brand-mark{box-shadow:none;background:linear-gradient(150deg,#2E6E9F,#16375A);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;line-height:1.85;color:#9DB2C6;max-width:340px;
}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:600;
  margin-bottom:18px;letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul li a{font-size:14px;color:#A8BDD0;transition:color .2s ease,padding-left .2s ease;}
.footer-col ul li a:hover{color:#fff;padding-left:4px;}
.footer-cta-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-md);
  padding:22px;
}
.footer-cta-box p{font-size:13.5px;color:#A8BDD0;line-height:1.8;margin:0 0 16px;}
.footer-cta-box .btn-sm{
  background:#2E7BB0;border-color:#2E7BB0;color:#fff;font-weight:600;
}
.footer-cta-box .btn-sm:hover{background:#3C90C9;border-color:#3C90C9;color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;
  padding:22px 0 26px;
  font-size:13px;color:#8FA6BA;
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:#A8BDD0;
}
.to-top:hover{color:#fff;}
.to-top i{font-size:11px;}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .hero-grid{gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
  .footer-cta-box{max-width:520px;}
}
@media (max-width:1023px){
  :root{--space-section:70px;}
  .container{padding-left:24px;padding-right:24px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
  h3{font-size:21px;}
  .nav-wrap{min-height:72px;gap:14px;}
  .nav-toggle{display:inline-flex;margin-left:auto;order:2;}
  .nav-actions{order:2;margin-left:0;}
  .main-nav{
    order:3;flex-basis:100%;
    margin-left:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px 0 18px;
    border-top:1px solid var(--line);
    margin-top:8px;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:13px 14px;font-size:15.5px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-cta{min-height:46px;padding:0 16px;font-size:14.5px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding-top:32px;}
  .hero-media .hero-img{height:330px;}
  .hero-float{position:static;margin-top:16px;min-width:0;}
  .page-hero{padding-bottom:56px;}
  .duo-grid{grid-template-columns:1fr;gap:26px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-card::after{display:none;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:640px){
  :root{--space-section:52px;}
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:30px;line-height:1.28;}
  h2{font-size:24px;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:11px;}
  .brand-mark{width:36px;height:36px;border-radius:10px;}
  .nav-cta{display:none;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .trust-bar{gap:8px 18px;font-size:12.8px;}
  .panel{padding:22px 18px;}
  .check-item{padding:14px 8px;grid-template-columns:32px 1fr;gap:12px;}
  .check-icon{width:32px;height:32px;}
  .issue-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .issue-idx{font-size:22px;}
  .issue-tag{justify-self:start;}
  .steps{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:16px 18px 16px 22px;}
  .faq-a p{padding:0 22px 18px;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .tip-card{padding:20px;}
  .table-head,.table-note{padding-left:16px;padding-right:16px;}
}

/* roulang page: category3 */
:root{
  --brand:#265F8F;
  --brand-dark:#1E4C73;
  --brand-soft:#EAF2F8;
  --brand-softer:#F2F7FB;
  --gold:#C9A45C;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ink:#172B3F;
  --muted:#5C6F82;
  --line:#DDE7F0;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(23,43,63,.08);
  --shadow-hover:0 18px 40px rgba(23,43,63,.12);
  --space-section:92px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.35;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--space-section) 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--brand-softer)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:34px;line-height:1.3;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}

/* ---------- 按钮 ---------- */
.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:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(38,95,143,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(38,95,143,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(38,95,143,.2)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:none}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#C3D8E8;transform:translateY(-1px)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand);border-bottom:1px solid rgba(38,95,143,.3);padding-bottom:2px}
.text-link:hover{border-bottom-color:var(--brand)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(23,43,63,.08)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:82px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  position:relative;width:36px;height:36px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(145deg,var(--brand),var(--brand-dark));
  box-shadow:0 6px 14px rgba(38,95,143,.28);
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;border-radius:50%;background:var(--gold);
}
.brand-mark::before{width:7px;height:7px;top:9px;left:9px;opacity:.95}
.brand-mark::after{width:5px;height:5px;bottom:10px;right:10px;opacity:.75}
.brand-mark span{
  position:absolute;width:4px;height:4px;border-radius:50%;
  background:rgba(255,255,255,.85);top:12px;right:11px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.3px}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:background-color .2s ease,color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:18px;cursor:pointer;
}
.nav-mobile-cta{display:none}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 78px;
  overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(38,95,143,.10) 0,transparent 42%),
    radial-gradient(circle at 88% 8%,rgba(201,164,92,.12) 0,transparent 38%),
    linear-gradient(180deg,#F4F9FD 0%,#F6F9FC 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(38,95,143,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.35;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;
}
.hero-copy h1{
  font-size:46px;line-height:1.22;font-weight:700;letter-spacing:.4px;
  margin:6px 0 20px;
}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;font-size:13.5px;color:var(--muted);
}
.trust-chip i{color:var(--gold);font-size:12px}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 24px 56px rgba(23,43,63,.14);
  background:#fff;
}
.hero-frame img{width:100%;height:400px;border-radius:0}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,43,63,0) 42%,rgba(23,43,63,.34) 100%);
}
.hero-caption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff;
}
.hero-caption strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px}
.hero-caption span{font-size:13px;opacity:.86}
.float-card{
  position:absolute;left:-26px;bottom:-30px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 16px;box-shadow:var(--shadow);max-width:270px;
}
.float-card img{width:52px;height:52px;border-radius:12px;flex-shrink:0}
.float-card b{display:block;font-size:14.5px;color:var(--ink)}
.float-card small{font-size:12.5px;color:var(--muted)}
.stat-badge{
  position:absolute;top:-18px;right:-14px;z-index:3;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 18px;box-shadow:var(--shadow);text-align:center;
}
.stat-badge b{display:block;font-size:24px;color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}
.stat-badge span{font-size:12.5px;color:var(--muted)}

/* ---------- Z 字图文 ---------- */
.z-stack{display:flex;flex-direction:column;gap:72px}
.z-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.z-row--reverse .z-text{order:2}
.z-row--reverse .z-media{order:1}
.z-text h3{font-size:26px;line-height:1.35;margin-bottom:16px}
.z-text p{color:var(--muted);margin-bottom:14px;line-height:1.85}
.z-points{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.z-points li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:var(--ink)}
.z-points i{color:var(--brand);margin-top:5px;font-size:13px}
.z-media{position:relative}
.z-media img{width:100%;height:340px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.z-media .note-card{
  position:absolute;right:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 18px;box-shadow:var(--shadow);max-width:250px;
}
.note-card b{display:block;font-size:14px;color:var(--brand);margin-bottom:3px}
.note-card span{font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- 流程条 ---------- */
.flow-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px 36px;box-shadow:var(--shadow)}
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.flow-item{position:relative;padding-top:56px}
.flow-item::before{
  content:"";position:absolute;top:22px;left:0;right:-20px;height:2px;
  background:linear-gradient(90deg,#CBDDEB 0%,#E4EEF6 100%);
}
.flow-item:last-child::before{display:none}
.flow-num{
  position:absolute;top:0;left:0;
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  border:1px solid #CFE1EE;
}
.flow-item h4{font-size:16.5px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:0 6px 18px rgba(23,43,63,.05);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DCEA}
.scene-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:18px;margin-bottom:16px;
}
.scene-card h4{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted);line-height:1.8}
.scene-tag{
  display:inline-block;margin-top:14px;font-size:12.5px;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}

/* ---------- 提示条 ---------- */
.tip-band{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--brand-soft);border:1px solid #CFE1EE;border-left:4px solid var(--brand);
  border-radius:var(--radius);padding:22px 26px;margin-top:40px;
}
.tip-band i{color:var(--brand);font-size:18px;margin-top:3px}
.tip-band p{font-size:15px;color:var(--brand-dark);line-height:1.8;margin:0}

/* ---------- FAQ ---------- */
.faq-head{max-width:720px;margin-bottom:34px}
.faq-head h2{font-size:32px;margin-bottom:12px}
.faq-head p{color:var(--muted)}
.faq-accordion{border:none;background:transparent;max-width:none}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-accordion .accordion-item:hover{border-color:#C9DCEA;box-shadow:0 8px 22px rgba(23,43,63,.07)}
.faq-accordion .accordion-item.is-active{border-color:#BFD6E7;box-shadow:0 10px 26px rgba(23,43,63,.08)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
  border:none;background:transparent;line-height:1.5;
}
.faq-accordion .accordion-title::before{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--brand);order:2;transition:transform .25s ease;
  margin:0;position:static;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:rotate(90deg)}
.faq-accordion .accordion-title:hover{background:var(--brand-softer);color:var(--brand-dark)}
.faq-accordion .accordion-item.is-active .accordion-title{
  border-left:3px solid var(--brand);padding-left:19px;
}
.faq-accordion .accordion-content{
  padding:0 22px 20px;border:none;background:transparent;
  color:var(--muted);font-size:15px;line-height:1.85;
}
.faq-accordion .accordion-content[aria-hidden="true"]{display:none}

/* ---------- 终 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#EAF2F8 0%,#F4F9FD 60%,#FBF7EF 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;
  padding:70px 0;
}
.cta-inner h2{font-size:32px;line-height:1.35;margin-bottom:14px}
.cta-inner p{color:var(--muted);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-actions small{font-size:13px;color:var(--muted);text-align:center;line-height:1.7}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(38,95,143,.13) 1px,transparent 1px);
  background-size:30px 30px;opacity:.5;pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{background:#152839;color:#C6D5E2;padding:64px 0 0;margin-top:0}
.site-footer a{color:#C6D5E2}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#8FA6B8}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9DB3C4;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li a{font-size:14.5px;color:#9DB3C4}
.footer-col li a:hover{color:#fff}
.footer-cta-box{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:20px;
}
.footer-cta-box p{font-size:14px;color:#B9CAD8;line-height:1.75;margin-bottom:14px}
.footer-cta-box .btn{background:var(--brand);color:#fff;border:none}
.footer-cta-box .btn:hover{background:#31709f;color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  font-size:13px;color:#849BAE;
}
.to-top{display:inline-flex;align-items:center;gap:7px;color:#B9CAD8;font-size:13px}
.to-top:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .header-inner{min-height:74px;gap:14px}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;margin:0;
    box-shadow:0 18px 32px rgba(23,43,63,.12);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:15.5px}
  .nav-link::after{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-mobile-cta{display:block;margin-top:10px}
  .nav-mobile-cta .btn{width:100%}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-copy h1{font-size:38px}
  .hero-frame img{height:340px}
  .float-card{left:0;bottom:-24px}
  .stat-badge{right:0}
  .z-row{grid-template-columns:1fr;gap:36px}
  .z-row--reverse .z-text,.z-row--reverse .z-media{order:0}
  .z-media img{height:300px}
  .z-media .note-card{position:static;margin-top:18px;max-width:none}
  .flow-list{grid-template-columns:repeat(2,1fr);gap:26px}
  .flow-item::before{display:none}
  .scene-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:70px 0}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 16px}
  .hero-copy h1{font-size:32px;line-height:1.28}
  .hero-lead{font-size:16px}
  .page-hero{padding:32px 0 56px}
  .hero-frame img{height:250px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .float-card{position:static;margin-top:16px;max-width:none}
  .stat-badge{position:static;margin-top:14px;display:inline-block}
  .section{padding:52px 0}
  .section-head h2,.faq-head h2,.cta-inner h2{font-size:26px}
  .z-text h3{font-size:22px}
  .flow-wrap{padding:26px 20px}
  .flow-list{grid-template-columns:1fr;gap:22px}
  .flow-item{padding-top:0;padding-left:58px;min-height:44px}
  .flow-num{top:0;left:0}
  .scene-card{padding:22px}
  .faq-accordion .accordion-title{padding:16px 18px;font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .tip-band{padding:18px 18px;flex-direction:column;gap:8px}
}

/* roulang page: category4 */
:root{
  --blue:#265F8F;
  --blue-dark:#1E4C73;
  --blue-soft:#EAF2F8;
  --blue-mist:#F2F7FB;
  --gold:#C9A45C;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --ink:#172B3F;
  --muted:#5C6F82;
  --line:#DDE7F0;
  --radius:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(23,43,63,.08);
  --shadow-hover:0 18px 40px rgba(23,43,63,.12);
  --space-block:92px;
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--blue-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:600;letter-spacing:.2px;}
h1{font-size:clamp(32px,4vw,48px);line-height:1.2;font-weight:700;}
h2{font-size:clamp(26px,3vw,34px);line-height:1.3;}
h3{font-size:22px;line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--space-block) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--blue);
  background:var(--blue-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:16px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  line-height:1.2;
  text-align:center;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(38,95,143,.24);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(38,95,143,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(38,95,143,.24);}
.btn-ghost{background:#fff;color:var(--blue);border-color:#BFD6E6;}
.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);border-color:var(--blue);transform:translateY(-1px);}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}
.btn i{font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,43,63,.09);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:80px;
}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--blue);
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(38,95,143,.26);
}
.brand-mark::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:#fff;opacity:.95;
}
.brand-mark span{
  position:absolute;width:4px;height:4px;border-radius:50%;
  background:var(--gold);
}
.brand-mark span::before,.brand-mark span::after{
  content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.72);
}
.brand-mark span::before{top:-9px;left:2px;}
.brand-mark span::after{top:5px;left:11px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.3px;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  font-size:15.5px;font-weight:500;color:#33495E;
  border-radius:10px;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:10px;height:2px;
  background:var(--blue);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--blue);background:var(--blue-mist);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--blue);font-weight:600;background:var(--blue-soft);}
.nav-link.is-active::after{transform:scaleX(1);background:var(--gold);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{min-height:46px;font-size:15.5px;padding:0 20px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--blue-soft);color:var(--blue);border-color:#BFD6E6;}
.mobile-nav{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:14px 0 22px;
}
.mobile-nav.is-open{display:block;}
.mobile-nav .container{display:flex;flex-direction:column;gap:6px;}
.mobile-nav .nav-link{width:100%;justify-content:space-between;padding:0 14px;}
.mobile-nav .nav-link::after{display:none;}
.mobile-nav .btn{margin-top:10px;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#AFC2D2;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--blue);}
.crumbs .current{color:var(--ink);font-weight:500;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:52px 0 72px;
  background:
    linear-gradient(180deg,rgba(246,249,252,.96) 0%,rgba(246,249,252,.9) 55%,rgba(246,249,252,1) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(38,95,143,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  mask-image:linear-gradient(120deg,rgba(0,0,0,.85),transparent 62%);
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.85),transparent 62%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);
  color:var(--blue);font-size:13.5px;font-weight:600;
  border-radius:999px;padding:7px 16px;margin-bottom:20px;
  box-shadow:0 6px 16px rgba(23,43,63,.06);
}
.hero-badge i{color:var(--gold);}
.hero h1{margin-bottom:18px;letter-spacing:.5px;}
.hero h1 em{font-style:normal;color:var(--blue);}
.hero-lead{font-size:17px;color:#43596E;max-width:620px;margin-bottom:26px;}
.hero-search{
  display:flex;gap:10px;max-width:560px;margin-bottom:20px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px;
  box-shadow:var(--shadow);
}
.hero-search input{
  flex:1;border:0;background:transparent;height:46px;padding:0 14px;
  font-size:15.5px;color:var(--ink);border-radius:10px;
}
.hero-search input::placeholder{color:#8CA0B3;border:0;}
.hero-search input:focus{outline:none;box-shadow:none;}
.hero-search .btn{flex:0 0 auto;min-height:46px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.hero-tags .tag-label{font-size:13.5px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;color:var(--blue);
  background:#fff;border:1px solid #C9DCEA;
  border-radius:999px;padding:6px 14px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.tag:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-1px);}
.hero-media{position:relative;}
.hero-media .media-main{
  width:100%;height:340px;object-fit:cover;border-radius:var(--radius);
  box-shadow:0 20px 46px rgba(23,43,63,.16);
}
.hero-media .media-float{
  position:absolute;right:-14px;bottom:-26px;
  width:180px;border-radius:var(--radius-md);
  border:4px solid #fff;
  box-shadow:0 16px 34px rgba(23,43,63,.2);
  object-fit:cover;height:124px;
}
.hero-media .media-note{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.95);
  border-radius:var(--radius-sm);
  padding:12px 16px;font-size:13.5px;color:var(--ink);
  box-shadow:0 10px 22px rgba(23,43,63,.14);
  display:flex;align-items:center;gap:10px;max-width:78%;
}
.hero-media .media-note i{color:var(--gold);}

/* ---------- 资源主体布局 ---------- */
.res-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:40px;
  align-items:start;
}
.panel-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.panel-title h2{font-size:26px;}
.panel-title .count{font-size:13.5px;color:var(--muted);}
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;
  padding:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
}
.filter-bar .chip{
  font-size:13.5px;padding:7px 15px;border-radius:999px;
  background:var(--blue-mist);color:#3E5872;border:1px solid transparent;cursor:pointer;
  transition:all .18s ease;
}
.filter-bar .chip:hover{background:var(--blue-soft);color:var(--blue);}
.filter-bar .chip.is-on{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(38,95,143,.22);}

.res-list{display:flex;flex-direction:column;gap:18px;}
.res-card{
  display:grid;
  grid-template-columns:150px minmax(0,1fr) 44px;
  gap:20px;align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.res-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C7DCEB;}
.res-card figure{margin:0;overflow:hidden;border-radius:var(--radius-sm);}
.res-card img{width:100%;height:104px;object-fit:cover;transition:transform .35s ease;}
.res-card:hover img{transform:scale(1.05);}
.res-body h3{font-size:19px;margin-bottom:8px;line-height:1.45;}
.res-body h3 a{color:var(--ink);}
.res-body h3 a:hover{color:var(--blue);}
.res-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:12px;}
.res-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:#7C8FA1;}
.res-meta .badge{
  background:var(--blue-soft);color:var(--blue);
  border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.res-meta .badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);}
.res-meta .sep{width:1px;height:12px;background:var(--line);}
.res-arrow{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--blue);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.res-card:hover .res-arrow{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateX(2px);}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:104px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.side-card.tinted{background:var(--blue-mist);border-color:#CFE2EF;box-shadow:none;}
.side-card h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--blue);font-size:15px;}
.check-list li{
  display:flex;gap:10px;font-size:14.5px;color:#3D556B;
  padding:11px 0;border-bottom:1px dashed #D8E5EF;line-height:1.7;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li i{color:var(--gold);margin-top:6px;font-size:12px;}
.side-card p.tip{font-size:14px;color:var(--muted);margin-bottom:16px;}
.side-links li+li{margin-top:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:#3D556B;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 14px;transition:all .18s ease;
}
.side-links a:hover{color:var(--blue);border-color:#BFD6E6;background:var(--blue-mist);transform:translateX(2px);}
.side-links i{font-size:12px;color:#9CB2C4;}

/* ---------- 排查顺序 ---------- */
.steps-wrap{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:var(--bg);border:1px solid var(--line);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow);background:#fff;}
.step .num{
  font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;color:var(--blue);
  background:#fff;border:1px solid #C9DCEA;border-radius:999px;
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--blue);transform:scaleY(0);transform-origin:top;
  transition:transform .25s ease;
}
.faq-item[open]{box-shadow:var(--shadow);border-color:#C7DCEB;}
.faq-item[open]::before{transform:scaleY(1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:58px;padding:16px 22px 16px 24px;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .18s ease,background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--blue);background:var(--blue-mist);}
.faq-item summary .chev{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--blue);font-size:12px;transition:transform .25s ease,background .2s ease,color .2s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);background:var(--blue);color:#fff;border-color:var(--blue);}
.faq-answer{padding:0 24px 22px;font-size:15.5px;color:#425A70;line-height:1.85;}

/* ---------- 终 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#EAF2F8 0%,#F6F9FC 62%,#FDFBF6 100%);
  border:1px solid #DCE9F3;
  border-radius:24px;
  padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;
  background-image:radial-gradient(rgba(201,164,92,.35) 1.4px,transparent 1.4px);
  background-size:20px 20px;opacity:.6;pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:#425A70;font-size:16px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-actions .btn{min-width:180px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#122A3D;
  color:#C6D6E3;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#8FA9BE;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9FB6C9;max-width:360px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li+li{margin-top:10px;}
.footer-col ul a{font-size:14.5px;color:#9FB6C9;transition:color .18s ease,padding-left .18s ease;}
.footer-col ul a:hover{color:#fff;padding-left:4px;}
.footer-cta-box p{font-size:14px;color:#9FB6C9;line-height:1.8;margin-bottom:14px;}
.footer-cta-box .btn{background:var(--blue);color:#fff;border:1px solid rgba(255,255,255,.16);}
.footer-cta-box .btn:hover{background:#2F74AC;color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 26px;font-size:13.5px;color:#8FA9BE;
}
.to-top{color:#A8BFD1;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;}
.to-top:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .res-layout{grid-template-columns:minmax(0,1fr) 310px;gap:32px;}
}
@media (max-width:1023px){
  :root{--space-block:70px;}
  .header-inner{min-height:74px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .hero{padding:40px 0 58px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-media .media-main{height:290px;}
  .hero-media .media-float{width:148px;height:104px;right:0;bottom:-20px;}
  .res-layout{grid-template-columns:1fr;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .sidebar .side-card{flex:1 1 300px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .res-card{grid-template-columns:110px minmax(0,1fr);gap:16px;}
  .res-card img{height:88px;}
  .res-arrow{display:none;}
  .res-body h3{font-size:17.5px;}
}
@media (max-width:519px){
  :root{--space-block:52px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .brand-name{font-size:15.5px;}
  .brand-sub{font-size:11px;}
  .hero-search{flex-direction:column;padding:10px;}
  .hero-search input{height:44px;width:100%;}
  .hero-search .btn{width:100%;}
  .hero-media .media-main{height:220px;}
  .hero-media .media-float{display:none;}
  .hero-media .media-note{font-size:12.5px;padding:10px 12px;left:10px;bottom:10px;}
  .res-card{grid-template-columns:1fr;padding:16px;}
  .res-card img{height:150px;}
  .steps{grid-template-columns:1fr;}
  .sidebar{flex-direction:column;}
  .sidebar .side-card{flex:1 1 auto;width:100%;}
  .cta-band{padding:30px 20px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;min-width:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:14px 16px;font-size:15.5px;}
  .faq-answer{padding:0 16px 18px;font-size:15px;}
}