/* roulang page: index */
:root{
  --c-primary:#1A6BD6;
  --c-primary-deep:#0E4C9A;
  --c-primary-hover:#145CC0;
  --c-primary-soft:#EAF2FE;
  --c-accent:#12B8A6;
  --c-accent-soft:#E4F7F5;
  --c-promo:#FF7A3D;
  --c-promo-soft:#FFF1E9;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F5F8FC;
  --c-bg-row:#F8FAFD;
  --c-text:#0F1D33;
  --c-body:#40506B;
  --c-muted:#7A8899;
  --c-border:#E3EAF3;
  --c-error:#E5484D;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:999px;
  --sh-card:0 8px 24px rgba(18,46,90,.06);
  --sh-card-hover:0 12px 32px rgba(18,46,90,.10);
  --fs-h1:42px;
  --fs-h2:30px;
  --fs-h3:21px;
  --sp-section:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{text-decoration:underline;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  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:hover{text-decoration:none;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(26,107,214,.24);}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--c-primary-deep);transform:translateY(0);}
.btn-outline{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);}
.btn-promo{background:var(--c-promo);color:#fff;box-shadow:0 6px 18px rgba(255,122,61,.26);}
.btn-promo:hover{background:#F26A2C;transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;
}
.btn-link .arrow{transition:transform .2s ease;}
.btn-link:hover{text-decoration:underline;}
.btn-link:hover .arrow{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1.7;white-space:nowrap;
}
.badge-accent{background:var(--c-accent-soft);color:#0B8C7E;}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.badge-promo{background:var(--c-promo-soft);color:#D9551B;}
.badge-plain{background:var(--c-bg-alt);color:var(--c-muted);border:1px solid var(--c-border);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,46,90,.08);}
.brand-row{transition:padding .25s ease;}
.brand-row .brand-row-inner{
  display:flex;align-items:center;gap:20px;padding:14px 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled .brand-row-inner{padding:7px 0;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#3E8BE8 100%);
  color:#fff;font-size:18px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(26,107,214,.28);
  transition:width .25s ease,height .25s ease,font-size .25s ease;
}
.site-header.is-scrolled .logo-mark{width:32px;height:32px;font-size:16px;}
.brand-name{font-size:19px;font-weight:800;color:var(--c-text);letter-spacing:.5px;}
.brand-name em{font-style:normal;color:var(--c-primary);}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-body);border:1px solid var(--c-border);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:#C7DDF9;}
.head-phone{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--c-text);
  font-variant-numeric:tabular-nums;
}
.head-phone span{font-size:12px;font-weight:500;color:var(--c-muted);}

.channel-row{border-top:1px solid transparent;transition:padding .25s ease;}
.site-header.is-scrolled .channel-row{border-top-color:var(--c-border);}
.channel-inner{
  display:flex;align-items:center;gap:20px;padding:8px 0;
  transition:padding .25s ease;
}
.site-header.is-scrolled .channel-inner{padding:5px 0;}
.channels{display:flex;align-items:center;gap:6px;flex-shrink:0;}
.channel{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:8px;
  font-size:15px;color:var(--c-body);font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.channel:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
.channel.is-active{color:var(--c-primary);font-weight:700;}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.hotwords{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.hot-pill{
  display:inline-flex;align-items:center;gap:5px;
  height:28px;padding:0 12px;border-radius:var(--r-badge);
  background:var(--c-bg-alt);border:1px solid var(--c-border);
  font-size:13px;color:var(--c-body);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.hot-pill:hover{color:var(--c-primary);border-color:#C7DDF9;background:var(--c-primary-soft);text-decoration:none;}
.hot-pill i{
  font-style:normal;font-size:11px;font-weight:700;color:#fff;
  background:var(--c-promo);border-radius:4px;padding:0 4px;line-height:16px;
}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 12px;
  border:1px solid var(--c-border);border-radius:var(--r-badge);
  background:var(--c-bg-alt);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,107,214,.12);}
.nav-search svg{flex-shrink:0;color:var(--c-muted);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-text);
}
.nav-search input::placeholder{color:var(--c-muted);}
.burger{display:none;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,29,51,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:#fff;z-index:80;padding:20px;
  transform:translateX(102%);transition:transform .3s ease;
  overflow-y:auto;box-shadow:-12px 0 40px rgba(18,46,90,.16);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:17px;font-weight:800;color:var(--c-text);}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-body);
}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;border:1px solid var(--c-border);border-radius:var(--r-btn);background:var(--c-bg-alt);margin-bottom:18px;}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px;}
.drawer-label{font-size:13px;font-weight:700;color:var(--c-muted);margin:18px 0 8px;letter-spacing:.5px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-btn);
  font-size:16px;color:var(--c-text);font-weight:500;
}
.drawer-nav a:hover{background:var(--c-primary-soft);text-decoration:none;color:var(--c-primary);}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;}
.drawer-contact{border-top:1px solid var(--c-border);margin-top:18px;padding-top:16px;font-size:14px;color:var(--c-body);}
.drawer-contact p{margin-bottom:8px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-primary-soft);
  padding:72px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 22%,rgba(26,107,214,.10) 0,transparent 46%),
    radial-gradient(circle at 88% 76%,rgba(18,184,166,.09) 0,transparent 42%),
    linear-gradient(rgba(26,107,214,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(26,107,214,.05) 1px,transparent 1px);
  background-size:auto,auto,30px 30px,30px 30px;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
}
.hero-copy{grid-column:span 7;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  background:#fff;border:1px solid #D3E4FA;
  font-size:13px;font-weight:600;color:var(--c-primary-deep);margin-bottom:20px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.hero h1{
  font-size:var(--fs-h1);line-height:1.28;font-weight:800;color:var(--c-text);
  letter-spacing:-.5px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:17px;line-height:1.85;color:var(--c-body);max-width:560px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-list{display:flex;flex-wrap:wrap;gap:10px;}
.trust-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-badge);
  background:#fff;border:1px solid #D9E7FA;
  font-size:13px;font-weight:500;color:var(--c-body);
}
.trust-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero-visual{grid-column:span 5;position:relative;}
.hero-img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:18px;border:1px solid #D6E5F8;
  box-shadow:0 18px 44px rgba(18,46,90,.14);
}
.hero-badge{
  position:absolute;right:16px;top:16px;
  background:#fff;border-radius:var(--r-card);
  padding:12px 16px;box-shadow:0 10px 26px rgba(18,46,90,.14);
  border-left:3px solid var(--c-promo);
  max-width:220px;
}
.hero-badge strong{display:block;font-size:16px;font-weight:800;color:var(--c-promo);line-height:1.4;}
.hero-badge span{display:block;font-size:12px;color:var(--c-muted);margin-top:2px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head.center{flex-direction:column;align-items:center;text-align:center;}
.section-title{font-size:var(--fs-h2);line-height:1.35;font-weight:800;color:var(--c-text);letter-spacing:-.3px;}
.section-desc{margin-top:12px;font-size:16px;color:var(--c-body);max-width:660px;line-height:1.8;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  letter-spacing:1px;margin-bottom:10px;
}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:28px 24px 24px;
  box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.step-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-3px);}
.step-1{padding-top:26px;background:#FFFFFF;}
.step-2{padding-top:40px;background:#FAFCFF;}
.step-3{padding-top:54px;background:#F4F8FE;border-color:#CFE2FA;}
.step-4{padding-top:68px;background:var(--c-primary-soft);border-color:#BED9F8;}
.step-scale{display:flex;gap:5px;margin-bottom:16px;}
.step-scale i{flex:1;height:3px;border-radius:2px;background:#DFE8F3;}
.step-scale i.on{background:var(--c-primary);}
.step-4 .step-scale i.on{background:var(--c-primary-deep);}
.step-badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-badge);
  background:var(--c-bg-alt);border:1px solid var(--c-border);
  font-size:13px;font-weight:700;color:var(--c-body);margin-bottom:14px;
}
.step-3 .step-badge{background:#fff;color:var(--c-primary-deep);border-color:#C7DDF9;}
.step-4 .step-badge{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.step-name{font-size:19px;font-weight:800;color:var(--c-text);margin-bottom:8px;}
.step-for{font-size:13px;color:var(--c-muted);line-height:1.7;margin-bottom:16px;min-height:44px;}
.step-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.step-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--c-body);line-height:1.7;}
.step-list li::before{
  content:"";position:absolute;left:0;top:7px;
  width:14px;height:14px;border-radius:50%;background:var(--c-accent-soft);
}
.step-list li::after{
  content:"";position:absolute;left:4px;top:11px;
  width:5px;height:2.5px;border-left:1.6px solid var(--c-accent);
  border-bottom:1.6px solid var(--c-accent);transform:rotate(-45deg);
}
.step-threshold{
  font-size:13px;color:var(--c-muted);line-height:1.7;
  border-top:1px dashed var(--c-border);padding-top:14px;margin-bottom:18px;min-height:62px;
}

/* ---------- 对比表 ---------- */
.compare-scroll{
  position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--c-border);border-radius:var(--r-card);background:#fff;
  box-shadow:var(--sh-card);
}
.compare-table{width:100%;min-width:880px;border-collapse:collapse;font-size:15px;}
.compare-table thead th{
  background:var(--c-primary-soft);color:var(--c-text);
  font-weight:800;font-size:15px;text-align:left;
  padding:18px 20px;border-bottom:1px solid #D5E4F7;position:relative;
}
.compare-table thead th:first-child{border-top-left-radius:var(--r-card);}
.compare-table tbody th{
  text-align:left;font-weight:600;color:var(--c-text);font-size:15px;
  padding:15px 20px;border-bottom:1px solid var(--c-border);width:180px;
}
.compare-table tbody td{
  padding:15px 20px;border-bottom:1px solid var(--c-border);
  color:var(--c-body);font-size:14.5px;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:nth-child(even) th,
.compare-table tbody tr:nth-child(even) td{background:var(--c-bg-row);}
.compare-table .col-reco{background:var(--c-primary-soft)!important;color:var(--c-primary-deep);font-weight:600;}
.compare-table thead .col-reco{background:#DCEBFC!important;}
.reco-pill{
  display:block;width:fit-content;margin-bottom:8px;
  padding:2px 10px;border-radius:var(--r-badge);
  background:var(--c-primary);color:#fff;font-size:11px;font-weight:700;letter-spacing:.5px;
}
.scroll-hint{
  display:none;text-align:center;font-size:13px;color:var(--c-muted);margin-top:12px;
}
.compare-fade{
  position:absolute;top:0;right:0;bottom:0;width:56px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.96));
  border-radius:0 var(--r-card) var(--r-card) 0;opacity:0;transition:opacity .25s ease;
}
.compare-fade.is-show{opacity:1;}

/* ---------- 限时入口 ---------- */
.promo-bar{
  border:1px solid rgba(255,122,61,.38);
  background:linear-gradient(180deg,#FFF7F2 0%,#FFF0E7 100%);
  border-radius:var(--r-card);
  padding:26px 30px;
  display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;
}
.countdown{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;}
.cd-cell{
  min-width:60px;padding:8px 6px;text-align:center;
  background:#fff;border:1px solid rgba(255,122,61,.28);border-radius:var(--r-btn);
}
.cd-num{
  display:block;font-size:22px;font-weight:800;color:#D9551B;line-height:1.25;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.cd-label{display:block;font-size:11px;color:var(--c-muted);margin-top:2px;}
.promo-points{display:flex;flex-wrap:wrap;gap:10px 26px;}
.promo-points li{position:relative;padding-left:20px;font-size:14.5px;color:#7A4A2E;line-height:1.7;}
.promo-points li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--c-promo);opacity:.85;
}
.promo-note{font-size:13px;color:var(--c-muted);margin-top:14px;line-height:1.8;}

/* ---------- 资讯卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);text-decoration:none;
  transition:box-shadow .25s ease,transform .25s ease;
}
.news-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);text-decoration:none;}
.news-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--c-bg-alt);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-badge-row{margin-bottom:12px;}
.news-title{
  font-size:17px;font-weight:700;color:var(--c-text);line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--c-body);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-border);padding-top:14px;
}
.news-meta .arrow{color:var(--c-primary);font-weight:700;transition:transform .2s ease;}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:56px 24px;background:var(--c-bg-alt);
  border:1px dashed var(--c-border);border-radius:var(--r-card);text-align:center;
}
.empty-state svg{color:var(--c-muted);opacity:.7;}
.empty-state p{font-size:15px;color:var(--c-muted);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s ease;
}
.faq-item.is-open{border-color:#C7DDF9;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;text-align:left;
  font-size:16px;font-weight:700;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  position:relative;flex-shrink:0;width:20px;height:20px;border-radius:50%;
  background:var(--c-primary-soft);transition:transform .28s ease,background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);border-radius:1px;
}
.faq-icon::before{width:9px;height:2px;}
.faq-icon::after{width:2px;height:9px;transition:opacity .25s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--c-body);}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:start;}
.info-item{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-border);
}
.info-item:last-of-type{border-bottom:0;}
.info-icon{
  flex-shrink:0;width:40px;height:40px;border-radius:var(--r-btn);
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.info-item strong{display:block;font-size:15px;color:var(--c-text);margin-bottom:2px;}
.info-item span{font-size:14px;color:var(--c-body);font-variant-numeric:tabular-nums;}
.hours{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-card);
  background:var(--c-bg-alt);border:1px solid var(--c-border);
  font-size:14px;color:var(--c-body);line-height:1.9;
}
.hours b{color:var(--c-text);}
.form-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--c-text);}
.field .req{color:var(--c-error);margin-left:2px;}
.field input,.field textarea,.field select{
  width:100%;min-height:46px;padding:11px 14px;
  border:1px solid var(--c-border);border-radius:var(--r-btn);
  background:#fff;font-size:15px;color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#A6B2C0;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,107,214,.14);
}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error);}
.field-error{display:none;font-size:13px;color:var(--c-error);}
.field.has-error .field-error{display:block;}
.form-note{font-size:13px;color:var(--c-muted);line-height:1.75;margin-top:14px;}
.form-status{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-btn);
  font-size:14px;line-height:1.7;
}
.form-status.is-success{display:block;background:var(--c-accent-soft);color:#0B8C7E;border:1px solid #B9E7E2;}
.form-status.is-error{display:block;background:#FDF0F0;color:var(--c-error);border:1px solid #F6CFD0;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--c-primary-soft);border-radius:var(--r-card);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid #D5E4F7;
}
.cta-bar h3{font-size:22px;font-weight:800;color:var(--c-text);margin-bottom:6px;}
.cta-bar p{font-size:15px;color:var(--c-body);line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1D33;color:#B9C6DA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand strong{font-size:18px;font-weight:800;color:#fff;}
.footer-intro{font-size:14px;line-height:1.9;color:#93A3BC;max-width:300px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#B9C6DA;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-col li{font-size:14px;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#7E8EA6;
}
.footer-bottom a{color:#7E8EA6;}
.footer-bottom a:hover{color:#B9C6DA;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--fs-h1:38px;--fs-h2:28px;--sp-section:80px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .ladder{grid-template-columns:repeat(2,1fr);align-items:stretch;}
  .step-1,.step-2,.step-3,.step-4{padding-top:28px;}
  .nav-search{width:200px;}
  .hotwords{display:none;}
}
@media (max-width:1023px){
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy,.hero-visual{grid-column:1/-1;}
  .hero-visual{max-width:620px;margin:0 auto;width:100%;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .faq-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .compare-table{min-width:820px;}
  .scroll-hint{display:block;}
  .promo-bar{grid-template-columns:1fr;gap:22px;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  :root{--fs-h1:29px;--fs-h2:23px;--fs-h3:19px;--sp-section:56px;}
  .container{padding:0 18px;}
  .brand-tools .head-phone,.brand-tools .icon-btn,.brand-tools .btn{display:none;}
  .burger{
    display:flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--r-btn);
    border:1px solid var(--c-border);color:var(--c-text);margin-left:auto;
  }
  .channel-row{display:none;}
  .brand-row-inner{padding:10px 0!important;}
  .hero{padding:40px 0 48px;}
  .hero h1{letter-spacing:-.2px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-badge{right:10px;top:10px;padding:9px 12px;max-width:170px;}
  .hero-badge strong{font-size:14px;}
  .hero-badge span{font-size:11px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .ladder{grid-template-columns:1fr;gap:18px;}
  .news-grid{grid-template-columns:1fr;gap:18px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:20px;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-bar{padding:24px 20px;}
  .compare-fade{width:40px;}
}
@media (max-width:479px){
  .cd-cell{min-width:52px;padding:6px 4px;}
  .cd-num{font-size:19px;}
  .brand-name{font-size:17px;}
  .info-item strong{font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1A6BD6;
  --c-primary-dark:#0E4C9A;
  --c-primary-hover:#145CC0;
  --c-primary-soft:#EAF2FE;
  --c-accent:#12B8A6;
  --c-accent-soft:#E4F7F4;
  --c-promo:#FF7A3D;
  --c-promo-soft:#FFF1E9;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F5F8FC;
  --c-text:#0F1D33;
  --c-body:#40506B;
  --c-muted:#7A8899;
  --c-line:#E3EAF3;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(18,46,90,.06);
  --sh-card-hover:0 12px 32px rgba(18,46,90,.10);
  --fs-h1:42px;
  --fs-h2:30px;
  --fs-h3:21px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:13px;
  --sp-section:88px;
  --container:1200px;
  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:800;line-height:1.3;letter-spacing:.2px;}
h1{font-size:var(--fs-h1);}
h2{font-size:var(--fs-h2);}
h3{font-size:var(--fs-h3);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:var(--fs-body);color:var(--c-text);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,46,90,.08);}
.brand-row{padding:12px 0;}
.brand-row-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,#3E8BEB 100%);
  color:#fff;font-weight:800;font-size:18px;
}
.brand-name{font-size:21px;font-weight:800;color:var(--c-text);letter-spacing:.5px;}
.brand-name em{font-style:normal;color:var(--c-primary);}
.brand-tools{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-body);border:1px solid var(--c-line);background:#fff;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:#C6DBF7;background:var(--c-primary-soft);text-decoration:none;}
.head-phone{
  display:flex;flex-direction:column;line-height:1.25;
  font-weight:800;font-size:17px;color:var(--c-text);
  font-variant-numeric:tabular-nums;
}
.head-phone span{font-size:12px;font-weight:400;color:var(--c-muted);}
.head-phone:hover{text-decoration:none;color:var(--c-primary);}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;color:var(--c-text);
  border:1px solid var(--c-line);
}
.burger:hover{background:var(--c-bg-alt);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:46px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(26,107,214,.22);}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;}
.btn-outline{background:transparent;color:var(--c-primary);border-color:#BDD6F6;}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}
.btn-promo{background:var(--c-promo);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.26);}
.btn-promo:hover{background:#F26A2B;color:#fff;}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 4px;height:auto;}
.btn-ghost svg{transition:transform .2s ease;}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-lg{height:54px;padding:0 30px;font-size:16px;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

.channel-row{border-top:1px solid var(--c-line);}
.channel-inner{display:flex;align-items:center;gap:22px;height:52px;}
.channels{display:flex;align-items:center;gap:6px;}
.channel{
  position:relative;display:inline-flex;align-items:center;
  height:52px;padding:0 12px;font-size:15px;font-weight:600;color:var(--c-body);
}
.channel:hover{color:var(--c-primary);text-decoration:none;}
.channel.is-active{color:var(--c-primary);font-weight:800;}
.channel.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.hotwords{display:flex;align-items:center;gap:8px;}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
  color:var(--c-primary-dark);background:var(--c-primary-soft);
}
.hot-pill:hover{text-decoration:none;background:#D9E8FC;}
.hot-pill i{
  font-style:normal;font-size:11px;line-height:1;
  padding:2px 5px;border-radius:6px;background:var(--c-promo);color:#fff;
}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  width:250px;height:36px;padding:0 12px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-muted);
  transition:all .2s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,107,214,.12);}
.nav-search input{flex:1;border:0;background:transparent;height:100%;font-size:14px;outline:none;min-width:0;}
.nav-search input::placeholder{color:var(--c-muted);}

/* drawer */
.drawer{position:fixed;inset:0;z-index:90;display:none;}
.drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(15,29,51,.45);}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(84vw,340px);height:100%;
  background:#fff;padding:18px 20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(18,46,90,.16);
  animation:slideIn .25s ease;
}
@keyframes slideIn{from{transform:translateX(24px);opacity:.5;}to{transform:translateX(0);opacity:1;}}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-title{font-weight:800;color:var(--c-text);}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);font-size:22px;line-height:1;
  color:var(--c-body);border:1px solid var(--c-line);background:#fff;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:18px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-bg-alt);
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;min-width:0;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:16px;font-weight:600;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a:hover{text-decoration:none;color:var(--c-primary);}
.drawer-nav a.is-active{color:var(--c-primary);}
.drawer-contact{margin-top:20px;font-size:14px;color:var(--c-muted);line-height:1.9;}
.drawer-contact strong{display:block;font-size:19px;color:var(--c-text);font-variant-numeric:tabular-nums;}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F3F8FF 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.07;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:64px 0 72px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:#C4CFDC;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-accent-soft);color:#0B8477;
  font-size:13px;font-weight:700;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--c-body);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-pill{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-body);
}
.trust-pill svg{color:var(--c-accent);flex:none;}
.hero-visual{
  position:relative;border-radius:18px;overflow:hidden;
  box-shadow:0 18px 44px rgba(18,46,90,.14);
  aspect-ratio:16/11;background:var(--c-primary-soft);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  background:linear-gradient(135deg,#FF8A52,#FF6A28);
  color:#fff;border-radius:12px;padding:12px 18px;
  box-shadow:0 10px 24px rgba(255,106,40,.34);max-width:calc(100% - 36px);
}
.hero-badge b{display:block;font-size:17px;font-weight:800;line-height:1.3;}
.hero-badge span{font-size:12.5px;opacity:.95;}

/* ============ section ============ */
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--c-body);}

.grid{display:grid;gap:24px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

/* capability card */
.cap-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.cap-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);border-color:#D2E2F8;}
.cap-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);margin-bottom:18px;
}
.cap-card h3{font-size:19px;margin-bottom:10px;}
.cap-card p{font-size:14.5px;line-height:1.8;}
.cap-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.cap-card li{position:relative;padding-left:20px;font-size:14px;color:var(--c-body);}
.cap-card li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}

/* scenario */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;transition:box-shadow .25s ease,transform .25s ease;
}
.scene-item:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);}
.scene-thumb{width:64px;height:64px;border-radius:12px;overflow:hidden;flex:none;}
.scene-thumb img{width:100%;height:100%;object-fit:cover;}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{font-size:14px;line-height:1.75;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
.step{
  position:relative;padding:0 18px;
}
.step::before{
  content:"";position:absolute;top:19px;left:0;right:0;height:2px;
  background:repeating-linear-gradient(90deg,#CBD9EA 0 8px,transparent 8px 16px);
}
.step:first-child::before{left:50%;}
.step:last-child::before{right:50%;}
.step-dot{
  position:relative;z-index:2;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step:first-child .step-dot{background:var(--c-primary);color:#fff;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;}

/* feature list block */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.split-media{border-radius:18px;overflow:hidden;box-shadow:0 16px 38px rgba(18,46,90,.12);aspect-ratio:16/11;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-mark{
  width:26px;height:26px;border-radius:8px;flex:none;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-accent-soft);color:#0B8477;
}
.check-list b{display:block;color:var(--c-text);font-size:16px;margin-bottom:2px;}
.check-list span{font-size:14.5px;line-height:1.8;}

/* pick cards (news-like) */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pick-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);color:inherit;
  transition:box-shadow .25s ease,transform .25s ease;
}
.pick-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);text-decoration:none;}
.pick-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt);}
.pick-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.pick-card:hover .pick-cover img{transform:scale(1.03);}
.pick-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;
  background:var(--c-accent-soft);color:#0B8477;align-self:flex-start;margin-bottom:12px;
}
.pick-body h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pick-body p{
  font-size:14px;color:var(--c-body);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pick-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);
}
.pick-foot svg{color:var(--c-primary);transition:transform .25s ease;}
.pick-card:hover .pick-foot svg{transform:translateX(4px);}

/* checklist section */
.points{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
}
.points li{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--c-line);}
.points li:last-child{border-bottom:0;padding-bottom:0;}
.points li:first-child{padding-top:0;}
.points .idx{
  width:30px;height:30px;border-radius:9px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.points b{display:block;color:var(--c-text);font-size:16.5px;margin-bottom:4px;}
.points span{font-size:14.5px;line-height:1.8;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#C6DBF7;box-shadow:var(--sh-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--c-text);
  min-height:44px;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q svg{flex:none;color:var(--c-primary);transition:transform .25s ease;}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.85;display:none;}
.faq-item.is-open .faq-a{display:block;}

/* cta band */
.cta-band{
  background:linear-gradient(120deg,#EAF2FE 0%,#F4F9FF 100%);
  border:1px solid #D6E6FB;border-radius:18px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--c-body);max-width:640px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}
.cta-note{margin-top:14px;font-size:13px;color:var(--c-muted);}

/* footer */
.site-footer{background:#0F1D33;color:#C3CEDD;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:20px;font-weight:800;}
.footer-intro{font-size:14px;line-height:1.85;color:#97A6BB;max-width:340px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:#97A6BB;line-height:1.7;}
.footer-col a{color:#97A6BB;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:#7E8DA3;
}

/* responsive */
@media (max-width:1199px){
  :root{--fs-h1:38px;--fs-h2:27px;--sp-section:76px;}
  .channel-inner{gap:16px;}
  .nav-search{width:200px;}
  .hotwords{display:none;}
  .cap-card{padding:24px 20px;}
}
@media (max-width:1023px){
  :root{--fs-h1:34px;--fs-h2:24px;--fs-h3:20px;--sp-section:64px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3,.scene-grid,.pick-grid{grid-template-columns:repeat(2,1fr);}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 56px;}
  .hero-visual{order:-1;aspect-ratio:16/9;}
  .split{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .step::before{display:none;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--fs-h1:28px;--fs-h2:22px;--fs-h3:18px;--sp-section:52px;}
  .container{padding:0 18px;}
  .channel-row{display:none;}
  .burger{display:flex;}
  .head-phone span{display:none;}
  .head-phone{font-size:15px;}
  .brand-tools .icon-btn{display:none;}
  .brand-tools .btn{display:none;}
  .grid-4,.grid-3,.grid-2,.scene-grid,.pick-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;row-gap:26px;}
  .hero-actions .btn{width:100%;}
  .section-head{margin-bottom:30px;}
  .points{padding:22px;}
  .faq-q{font-size:15.5px;padding:16px 16px;}
  .faq-a{padding:0 16px 18px;}
  .cta-band{padding:26px 20px;}
  .cta-band h2{font-size:21px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .hero-badge{left:12px;bottom:12px;padding:10px 14px;}
  .hero-badge b{font-size:15px;}
}
@media (max-width:479px){
  .head-phone{display:none;}
  .trust-pill{font-size:12px;height:32px;}
  .scene-item{padding:18px;gap:12px;}
  .scene-thumb{width:54px;height:54px;}
}

/* roulang page: article */
:root{
  --c-primary:#1A6BD6;
  --c-primary-deep:#0E4C9A;
  --c-primary-dark:#145CC0;
  --c-primary-soft:#EAF2FE;
  --c-accent:#12B8A6;
  --c-accent-soft:#E4F8F5;
  --c-accent-deep:#0E8B7D;
  --c-promo:#FF7A3D;
  --c-promo-soft:#FFF2EA;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F5F8FC;
  --c-text:#0F1D33;
  --c-body:#40506B;
  --c-muted:#7A8899;
  --c-line:#E3EAF3;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(18,46,90,.06);
  --sh-card-hover:0 12px 32px rgba(18,46,90,.10);
  --fs-h1:42px;
  --fs-h2:30px;
  --fs-h3:21px;
  --fs-body:16px;
  --fs-small:13px;
  --container:1200px;
  --sec-pad:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--c-text);margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{text-decoration:underline}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(18,46,90,.08)}
.brand-row{background:#fff}
.brand-row-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px;transition:height .25s ease}
.site-header.is-stuck .brand-row-inner{height:58px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 100%);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 4px 12px rgba(26,107,214,.28);
  flex:0 0 auto;
}
.brand-name{font-size:21px;font-weight:800;color:var(--c-text);letter-spacing:.5px}
.brand-name em{font-style:normal;color:var(--c-primary)}
.brand-tools{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  color:var(--c-body);background:#fff;border:1px solid var(--c-line);
  text-decoration:none;transition:.2s ease;flex:0 0 auto;
}
.icon-btn:hover{color:var(--c-primary);border-color:#BBD3F3;background:var(--c-primary-soft);text-decoration:none}
.head-phone{display:flex;flex-direction:column;line-height:1.25;font-size:15px;font-weight:700;color:var(--c-text);text-decoration:none}
.head-phone span{font-size:12px;font-weight:400;color:var(--c-muted)}
.head-phone:hover{text-decoration:none;color:var(--c-primary)}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
}
.burger:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.channel-row{border-top:1px solid var(--c-line);background:#fff;transition:.25s ease}
.channel-inner{display:flex;align-items:center;gap:20px;height:52px;transition:height .25s ease}
.site-header.is-stuck .channel-inner{height:46px}
.channels{display:flex;align-items:center;gap:4px;min-width:0}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 13px;
  border-radius:8px;font-size:15px;font-weight:600;color:var(--c-body);white-space:nowrap;
  text-decoration:none;transition:.2s ease;
}
.channel:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}
.channel.is-active{color:var(--c-primary)}
.channel.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-9px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.hotwords{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.hot-pill{
  display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 11px;
  border-radius:var(--r-pill);border:1px solid #FFD9C4;background:var(--c-promo-soft);
  color:#D9531C;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap;
}
.hot-pill:hover{background:#FFE7DA;text-decoration:none;color:#C44513}
.hot-pill i{font-style:normal;background:var(--c-promo);color:#fff;border-radius:var(--r-pill);font-size:10px;line-height:15px;padding:0 5px;font-weight:700}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  height:38px;min-width:238px;padding:0 14px;
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-pill);
  color:var(--c-muted);transition:.2s ease;
}
.nav-search:focus-within{border-color:#9CC2F1;background:#fff;box-shadow:0 0 0 3px rgba(26,107,214,.12)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text)}
.nav-search input::placeholder{color:#9AA8B8}

/* ============ drawer ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,29,51,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);z-index:95;
  background:#fff;padding:20px 20px 28px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s ease;
  box-shadow:-12px 0 32px rgba(18,46,90,.14);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  font-size:22px;line-height:1;color:var(--c-body);
}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;margin:18px 0;padding:0 14px;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-btn)}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.drawer-nav{display:grid;gap:6px;margin-bottom:18px}
.drawer-nav a{display:flex;align-items:center;min-height:46px;padding:0 14px;border-radius:10px;color:var(--c-text);font-weight:600;font-size:16px;text-decoration:none}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.drawer-sub{font-size:13px;color:var(--c-muted);margin:18px 0 10px;letter-spacing:.5px}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.drawer-contact{border-top:1px solid var(--c-line);padding-top:18px;display:grid;gap:10px;font-size:14px;color:var(--c-body)}
.drawer-contact a{color:var(--c-text);font-weight:700}
.drawer-contact .btn{margin-top:6px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:700;
  text-decoration:none;transition:.2s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(26,107,214,.22)}
.btn-primary:hover{background:var(--c-primary-dark)}
.btn-primary:active{background:var(--c-primary-deep)}
.btn-outline{border-color:#BBD3F3;color:var(--c-primary);background:#fff}
.btn-outline:hover{background:var(--c-primary-soft);border-color:#9CC2F1}
.btn-accent{background:var(--c-promo);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.24)}
.btn-accent:hover{background:#F0642A}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:700;font-size:15px;text-decoration:none}
.btn-link .arrow{transition:transform .2s ease;display:inline-block}
.btn-link:hover{text-decoration:none;color:var(--c-primary-dark)}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn[disabled],.btn.is-loading{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.5);border-top-color:#fff;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ article hero ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--c-bg-alt);
  border-bottom:1px solid var(--c-line);
  padding:26px 0 46px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.10;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(26,107,214,.28),transparent);
}
.article-hero > .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:22px}
.crumb a{color:var(--c-body);text-decoration:none}
.crumb a:hover{color:var(--c-primary);text-decoration:underline}
.crumb .sep{color:#C3CEDC}
.crumb-current{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-head{max-width:840px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent-deep);
  font-size:13px;font-weight:700;
}
.post-title{
  font-size:var(--fs-h1);line-height:1.3;font-weight:800;
  margin:16px 0 20px;letter-spacing:.3px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--c-muted)}
.post-meta span{display:inline-flex;align-items:center;gap:7px}
.post-meta b{color:var(--c-body);font-weight:600}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9D5E4;display:inline-block}

/* ============ article body ============ */
.article-main{padding:56px 0 72px;background:#fff}
.reading{max-width:760px;margin:0 auto}
.article-body{font-size:17px;line-height:1.9;color:var(--c-body);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 22px}
.article-body h2{
  font-size:var(--fs-h2);line-height:1.4;font-weight:700;color:var(--c-text);
  margin:46px 0 18px;padding-left:14px;border-left:4px solid var(--c-primary);border-radius:2px;
}
.article-body h3{font-size:var(--fs-h3);font-weight:700;color:var(--c-text);margin:34px 0 14px}
.article-body h4{font-size:18px;font-weight:700;color:var(--c-text);margin:26px 0 12px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(26,107,214,.35);text-decoration:none}
.article-body a:hover{border-bottom-color:var(--c-primary);text-decoration:none}
.article-body strong{color:var(--c-text);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:6px}
.article-body ul li,.article-body ol li{position:relative;margin:10px 0;padding-left:22px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:13px;width:7px;height:7px;
  border-radius:50%;background:var(--c-primary);opacity:.65;
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body ul li::marker,.article-body ol li::marker{content:none}
.article-body blockquote{
  margin:0 0 24px;padding:20px 24px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 12px 12px 0;color:#25446E;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:0 0 24px}
.article-body figure img{margin-bottom:0}
.article-body img{border-radius:12px;margin:0 auto 24px;box-shadow:var(--sh-card)}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-muted);margin-top:10px;line-height:1.7}
.article-body table{width:100%;margin:0 0 24px;font-size:15px;border:1px solid var(--c-line);border-radius:12px;overflow:hidden}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-text);font-weight:700;text-align:left;padding:12px 16px;border-bottom:1px solid var(--c-line)}
.article-body td{padding:12px 16px;border-top:1px solid var(--c-line);color:var(--c-body)}
.article-body tbody tr:nth-child(even){background:#F8FAFD}
.article-body pre{
  margin:0 0 24px;padding:20px 22px;background:#0F1D33;color:#DCE6F5;
  border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.75;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;color:inherit;padding:0;font-size:inherit}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#EEF3FA;color:var(--c-primary-deep);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body hr{border:0;border-top:1px dashed #D7E3F2;margin:38px 0}
.article-body .tip{
  padding:18px 22px;border-radius:12px;background:var(--c-accent-soft);
  border:1px solid #BFEDE6;color:#0B6E63;margin:0 0 24px;font-size:16px;
}

/* empty state */
.empty-state{
  border:1px dashed #D7E3F2;border-radius:var(--r-card);background:var(--c-bg-alt);
  padding:56px 32px;text-align:center;display:grid;justify-items:center;gap:14px;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:18px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);
}
.empty-state h2{font-size:24px}
.empty-state p{color:var(--c-muted);max-width:520px;font-size:15px}
.empty-state .btn{margin-top:6px}

/* ============ CTA band ============ */
.cta-band{
  margin-top:56px;padding:30px 34px;border-radius:16px;
  background:var(--c-primary-soft);border:1px solid #CFE0F8;
  display:flex;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h3{font-size:22px;margin-bottom:8px}
.cta-band p{font-size:15px;color:#39557E}
.cta-band .cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ============ back category ============ */
.back-cat{
  margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 20px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;font-size:14px;color:var(--c-muted);
}
.back-cat a{font-weight:700;color:var(--c-primary)}

/* ============ related ============ */
.related{background:var(--c-bg-alt);border-top:1px solid var(--c-line);padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:var(--fs-h2)}
.section-head .sub{font-size:15px;color:var(--c-muted);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease;text-decoration:none;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);text-decoration:none}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E8EFF8}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent-deep);
  font-size:12px;font-weight:700;
}
.card h3{
  font-size:18px;line-height:1.5;font-weight:700;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card p{
  font-size:14px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);
}
.card-foot .arrow{color:var(--c-primary);font-weight:700;transition:transform .2s ease}
.card:hover .card-foot .arrow{transform:translateX(4px)}

/* ============ footer ============ */
.site-footer{background:#0F1D33;color:#B8C6DA;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:19px;font-weight:800}
.footer-intro{font-size:14px;line-height:1.85;color:#93A4BC;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:11px}
.footer-col li,.footer-col a{font-size:14px;color:#A8B7CD}
.footer-col a{text-decoration:none}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#7F90A8;
}

/* ============ responsive ============ */
@media (max-width:1199px){
  :root{--fs-h1:38px;--fs-h2:28px;--sec-pad:76px}
  .container{padding:0 22px}
}
@media (max-width:1023px){
  :root{--fs-h1:34px;--fs-h2:26px}
  .hotwords{display:none}
  .channels{overflow-x:auto;scrollbar-width:none;flex:1 1 auto}
  .channels::-webkit-scrollbar{display:none}
  .nav-search{min-width:190px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:767px){
  :root{--fs-h1:29px;--fs-h2:23px;--fs-h3:19px;--sec-pad:56px}
  .container{padding:0 18px}
  .brand-row-inner{height:62px}
  .brand-name{font-size:19px}
  .head-phone{display:none}
  .icon-btn{display:none}
  .burger{display:inline-flex}
  .channel-row{display:none}
  .article-hero{padding:20px 0 32px}
  .article-main{padding:36px 0 52px}
  .article-body{font-size:16.5px;line-height:1.88}
  .article-body h2{font-size:22px;margin:34px 0 14px}
  .article-body h3{font-size:19px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-band{padding:24px 20px;gap:18px}
  .cta-band .cta-actions{width:100%;flex-direction:column}
  .cta-band .cta-actions .btn{width:100%}
  .related{padding:52px 0}
  .rel-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  :root{--fs-h1:26px}
  .post-title{margin:14px 0 16px}
  .post-meta{gap:8px 14px;font-size:13px}
  .empty-state{padding:40px 20px}
}

/* roulang page: category2 */
:root{
  --c-primary:#1A6BD6;
  --c-primary-hover:#145CC0;
  --c-primary-deep:#0E4C9A;
  --c-primary-soft:#EAF2FE;
  --c-accent:#12B8A6;
  --c-accent-soft:#E3F7F4;
  --c-promo:#FF7A3D;
  --c-promo-soft:#FFF3EC;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F5F8FC;
  --c-text:#0F1D33;
  --c-body:#40506B;
  --c-muted:#7A8899;
  --c-line:#E3EAF3;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(18,46,90,.06);
  --sh-hover:0 12px 32px rgba(18,46,90,.10);
  --sh-nav:0 6px 20px rgba(18,46,90,.07);
  --fs-h1:42px;
  --fs-h2:30px;
  --fs-h3:21px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:13px;
  --font-main:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-main);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:800;line-height:1.3;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-hover);text-decoration:underline;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--c-text);}
svg{display:block;flex:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:var(--fs-h2);}
.section-head p{margin-top:10px;color:var(--c-muted);font-size:var(--fs-sm);max-width:640px;}
.section-more{font-size:var(--fs-sm);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.section-more::after{content:"→";transition:transform .2s ease;display:inline-block;}
.section-more:hover{text-decoration:none;color:var(--c-primary-hover);}
.section-more:hover::after{transform:translateX(4px);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:var(--fs-xs);font-weight:600;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:6px 14px;}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(26,107,214,.22);}
.btn-primary:hover{background:var(--c-primary-hover);color:#fff;}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:#BFD8F6;}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-promo{background:var(--c-promo);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.24);}
.btn-promo:hover{background:#F0682A;color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:var(--fs-sm);}
.btn:disabled,.btn.is-loading{opacity:.45;cursor:not-allowed;transform:none;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.brand-row{padding:14px 0;transition:padding .25s ease;}
.site-header.is-stuck .brand-row{padding:7px 0;}
.brand-row-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);}
.brand:hover{text-decoration:none;color:var(--c-text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--c-primary),#3C8CEC);
  color:#fff;font-size:17px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--c-text);}
.brand-name em{font-style:normal;color:var(--c-primary);}
.brand-tools{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-body);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:#C8DEF8;text-decoration:none;}
.head-phone{display:flex;flex-direction:column;line-height:1.25;font-size:15px;font-weight:700;color:var(--c-text);}
.head-phone span{font-size:11px;font-weight:400;color:var(--c-muted);}
.head-phone:hover{text-decoration:none;color:var(--c-primary);}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-text);}
.burger:hover{background:var(--c-primary-soft);}
.channel-row{border-top:1px solid var(--c-line);background:#fff;}
.channel-inner{display:flex;align-items:center;gap:22px;padding-top:9px;padding-bottom:9px;transition:padding .25s ease;}
.site-header.is-stuck .channel-inner{padding-top:5px;padding-bottom:5px;}
.channels{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--c-body);border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.channel:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
.channel.is-active{color:var(--c-primary);font-weight:700;}
.channel.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary);}
.hotwords{display:flex;align-items:center;gap:8px;}
.hot-pill{
  display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--c-promo-soft);color:#C1521F;font-size:var(--fs-xs);font-weight:600;
}
.hot-pill i{font-style:normal;background:var(--c-promo);color:#fff;border-radius:var(--r-pill);font-size:10px;padding:1px 5px;line-height:1.4;}
.hot-pill:hover{text-decoration:none;background:#FFE7DA;color:#A8431A;}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-muted);min-width:240px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(26,107,214,.12);}
.nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:var(--fs-sm);min-width:0;}
.nav-search input::placeholder{color:var(--c-muted);}

/* 抽屉 */
.drawer,.drawer-mask{display:none;}
.drawer-mask{position:fixed;inset:0;background:rgba(15,29,51,.45);z-index:90;}
.drawer{position:fixed;inset:0 0 0 auto;width:min(88vw,340px);z-index:95;transform:translateX(102%);transition:transform .28s ease;}
.drawer.is-open{transform:translateX(0);}
.drawer-panel{height:100%;background:#fff;padding:18px 18px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-bg-alt);}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{display:flex;align-items:center;min-height:46px;padding:0 12px;border-radius:10px;color:var(--c-text);font-size:15px;font-weight:500;}
.drawer-nav a:hover{background:var(--c-primary-soft);text-decoration:none;color:var(--c-primary-deep);}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;}
.drawer-contact{border-top:1px solid var(--c-line);padding-top:16px;font-size:var(--fs-sm);color:var(--c-muted);display:flex;flex-direction:column;gap:6px;}
.drawer-contact strong{color:var(--c-text);font-size:17px;}

/* 面包屑 */
.crumbs{padding:20px 0 4px;}
.crumbs ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:var(--fs-xs);color:var(--c-muted);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#C4CFDD;}
.crumbs a{color:var(--c-body);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .current{color:var(--c-text);font-weight:600;}

/* Hero */
.cat-hero{background:var(--c-primary-soft);position:relative;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(26,107,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(26,107,214,.05) 1px,transparent 1px);
  background-size:34px 34px;opacity:.7;pointer-events:none;
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:64px 0 72px;}
.cat-hero h1{font-size:var(--fs-h1);margin:18px 0 16px;}
.cat-hero .lead{font-size:17px;color:var(--c-body);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.trust-pill{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid #D3E3F8;font-size:var(--fs-xs);font-weight:600;color:var(--c-primary-deep);
}
.trust-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:0 18px 40px rgba(18,46,90,.14);}
.hero-badge{
  position:absolute;left:-14px;bottom:24px;background:var(--c-promo);color:#fff;
  border-radius:12px;padding:12px 18px;box-shadow:0 12px 26px rgba(255,122,61,.32);line-height:1.4;
}
.hero-badge b{display:block;font-size:19px;font-weight:800;}
.hero-badge span{font-size:12px;opacity:.92;}

/* 卡片网格 */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D3E3F8;text-decoration:none;}
.entry-media{position:relative;overflow:hidden;background:var(--c-bg-alt);}
.entry-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-media img{transform:scale(1.03);}
.entry-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:#0B7F72;font-size:12px;font-weight:700;align-self:flex-start;
}
.entry-body h3{font-size:17px;line-height:1.45;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-body p{font-size:var(--fs-sm);color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:var(--fs-xs);color:var(--c-muted);}
.entry-foot .arrow{color:var(--c-primary);font-weight:700;transition:transform .2s ease;}
.entry-card:hover .entry-foot .arrow{transform:translateX(4px);}

/* 要点清单 */
.point-list{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));}
.point-item{
  display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);transition:box-shadow .25s ease,transform .25s ease;
}
.point-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.point-num{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;
}
.point-item h3{font-size:17px;margin-bottom:6px;}
.point-item p{font-size:var(--fs-sm);color:var(--c-muted);}

/* 场景 */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 22px;
  box-shadow:var(--sh-card);transition:box-shadow .25s ease,transform .25s ease;
}
.scene-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.scene-icon{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-soft);
  color:var(--c-primary-deep);display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:var(--fs-sm);color:var(--c-muted);}

/* 流程 */
.flow-band{
  background:linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 100%);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.flow-track{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;position:relative;}
.flow-step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);}
.flow-step::after{
  content:"";position:absolute;top:50%;right:-16px;width:16px;height:2px;
  background:repeating-linear-gradient(90deg,#C8DEF8 0 5px,transparent 5px 10px);
}
.flow-step:last-child::after{display:none;}
.flow-step span{font-size:12px;font-weight:700;color:var(--c-primary);letter-spacing:1px;}
.flow-step h3{font-size:17px;margin:8px 0 8px;}
.flow-step p{font-size:var(--fs-sm);color:var(--c-muted);}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.faq-item.is-open{border-color:#C8DEF8;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--c-text);text-align:left;
}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-q .chev{transition:transform .28s ease;color:var(--c-primary);}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{padding:0 22px 22px;font-size:var(--fs-sm);color:var(--c-muted);}

/* CTA 条 */
.cta-band{background:var(--c-primary-soft);border-radius:var(--r-card);padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:var(--fs-sm);color:var(--c-body);max-width:640px;}

/* 表单 */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.consult-info h2{font-size:var(--fs-h2);margin-bottom:14px;}
.consult-info > p{font-size:var(--fs-sm);color:var(--c-muted);margin-bottom:24px;}
.contact-list{display:flex;flex-direction:column;gap:14px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:var(--fs-sm);color:var(--c-body);}
.contact-list b{display:block;color:var(--c-text);font-size:15px;}
.contact-ico{width:36px;height:36px;border-radius:11px;background:#fff;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-primary);flex:none;}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-card);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:var(--fs-sm);font-weight:600;color:var(--c-text);}
.field label .req{color:#E5484D;margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:12px 14px;background:#FBFCFE;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(26,107,214,.13);}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#E5484D;}
.field .err{font-size:12px;color:#E5484D;display:none;}
.field.has-error .err{display:block;}
.form-note{margin-top:12px;font-size:12px;color:var(--c-muted);}
.form-state{margin-top:14px;font-size:var(--fs-sm);font-weight:600;color:var(--c-accent);display:none;}
.form-state.is-show{display:block;}
.btn .spin{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:spin .7s linear infinite;display:none;}
.btn.is-loading .spin{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

/* 页脚 */
.site-footer{background:#0F1D33;color:#B9C6D8;margin-top:0;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer-brand strong{font-size:18px;letter-spacing:.4px;}
.footer-intro{font-size:var(--fs-sm);line-height:1.8;color:#9DAEC4;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:var(--fs-sm);color:#9DAEC4;}
.footer-col a{color:#C7D4E4;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:#8595AC;
}

/* 响应式 */
@media (max-width:1199px){
  :root{--fs-h1:38px;--fs-h2:27px;}
  .cat-hero-inner{gap:32px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-track{grid-template-columns:repeat(3,minmax(0,1fr));}
  .flow-step::after{display:none;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  :root{--fs-h1:34px;--fs-h2:25px;--fs-h3:20px;}
  .section{padding:64px 0;}
  .burger{display:inline-flex;}
  .hotwords{display:none;}
  .channel-inner{gap:14px;}
  .channels{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
  .channels::-webkit-scrollbar{display:none;}
  .nav-search{min-width:180px;}
  .cat-hero-inner{grid-template-columns:1fr;padding:44px 0 56px;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-badge{left:12px;bottom:12px;}
  .point-list{grid-template-columns:1fr;}
  .consult-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--fs-h1:29px;--fs-h2:23px;--fs-body:15px;}
  .section{padding:52px 0;}
  .channel-row{display:none;}
  .brand-row{padding:10px 0;}
  .head-phone{display:none;}
  .entry-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .flow-track{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-band .btn{width:100%;}
  .hero-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .drawer,.drawer-mask{display:block;}
}
@media (max-width:479px){
  :root{--fs-h1:27px;}
  .container{padding:0 16px;}
  .brand-name{font-size:17px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1A6BD6;
  --c-primary-dark:#145CC0;
  --c-primary-deep:#0E4C9A;
  --c-primary-soft:#EAF2FE;
  --c-accent:#12B8A6;
  --c-accent-soft:#E4F8F5;
  --c-promo:#FF7A3D;
  --c-promo-soft:#FFF3EC;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F5F8FC;
  --c-text:#0F1D33;
  --c-body:#40506B;
  --c-mute:#7A8899;
  --c-line:#E3EAF3;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(18,46,90,.06);
  --sh-card-hover:0 12px 32px rgba(18,46,90,.10);
  --sh-head:0 6px 18px rgba(18,46,90,.08);
  --fs-h1:42px;
  --fs-h2:30px;
  --fs-h3:21px;
  --brand-h:58px;
  --chan-h:46px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary-dark);text-decoration:underline}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
strong{color:var(--c-text);font-weight:700}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  white-space:nowrap;transition:background-color .2s,border-color .2s,color .2s,box-shadow .2s,transform .2s;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(26,107,214,.22)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-promo{background:var(--c-promo);color:#fff}
.btn-promo:hover{background:#F0682C;color:#fff}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 吸顶导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-head)}
.brand-row{border-bottom:1px solid var(--c-line)}
.brand-row-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:var(--brand-h);transition:height .25s ease;
}
.site-header.is-scrolled .brand-row-inner{height:46px}
.site-header.is-scrolled .head-phone span{display:none}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:16px;font-weight:700;letter-spacing:.5px;
}
.brand-name{font-size:19px;font-weight:800;color:var(--c-text);letter-spacing:.4px}
.brand-name em{font-style:normal;color:var(--c-primary)}
.brand-tools{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-body);background:var(--c-bg-alt);border:1px solid var(--c-line);
  transition:background-color .2s,color .2s,border-color .2s;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:#CDE0FA;text-decoration:none}
.head-phone{
  display:flex;flex-direction:column;line-height:1.25;
  font-size:15px;font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums;
}
.head-phone:hover{text-decoration:none;color:var(--c-primary)}
.head-phone span{font-size:12px;font-weight:400;color:var(--c-mute)}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;color:var(--c-text);
  background:var(--c-bg-alt);border:1px solid var(--c-line);
}
.channel-row{background:#fff}
.channel-inner{display:flex;align-items:center;gap:22px;height:var(--chan-h)}
.site-header.is-scrolled .channel-inner{height:38px}
.channels{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.channel{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 2px;font-size:15px;font-weight:500;color:var(--c-body);
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:transparent;transition:background-color .2s;
}
.channel:hover{color:var(--c-primary);text-decoration:none}
.channel:hover::after{background:#BFD8F7}
.channel.is-active{color:var(--c-primary);font-weight:700}
.channel.is-active::after{background:var(--c-primary)}
.hotwords{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hot-pill{
  display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-bg-alt);
  font-size:13px;color:var(--c-body);transition:all .2s;
}
.hot-pill:hover{border-color:#CDE0FA;background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none}
.hot-pill i{
  font-style:normal;font-size:11px;line-height:1;padding:2px 5px;border-radius:6px;
  background:var(--c-promo-soft);color:var(--c-promo);font-weight:700;
}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);border:1px solid var(--c-line);color:var(--c-mute);
  flex:0 1 300px;transition:border-color .2s,background-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(26,107,214,.12)}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.nav-search input::placeholder{color:var(--c-mute)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,29,51,.45);z-index:200;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);z-index:210;
  background:#fff;box-shadow:-12px 0 32px rgba(18,46,90,.16);
  transform:translateX(102%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:18px 20px 26px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);background:var(--c-bg-alt);
  border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;color:var(--c-text);
}
.drawer-search{
  margin:18px 0 6px;display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border-radius:var(--r-btn);background:var(--c-bg-alt);border:1px solid var(--c-line);color:var(--c-mute);
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.drawer-group{margin-top:18px}
.drawer-group h4{font-size:13px;letter-spacing:1px;color:var(--c-mute);font-weight:600;margin-bottom:8px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;border-bottom:1px solid var(--c-line);
  font-size:16px;color:var(--c-text);font-weight:500;
}
.drawer-link.is-active{color:var(--c-primary);font-weight:700}
.drawer-link:hover{text-decoration:none;color:var(--c-primary)}
.drawer-contact{margin-top:20px;font-size:14px;color:var(--c-body);line-height:2}
.drawer-contact strong{display:block;font-size:17px;margin-bottom:2px}
.drawer-cta{margin-top:20px}
.drawer-cta .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-mute);flex-wrap:wrap}
.crumb a{color:var(--c-body)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:#B9C4D3}
.crumb .now{color:var(--c-primary);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--c-primary-soft);border-bottom:1px solid var(--c-line)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#FFFFFF 0%,rgba(255,255,255,.95) 38%,rgba(234,242,254,.66) 68%,rgba(234,242,254,.28) 100%);
}
.cat-hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:center;padding:30px 0 62px;
}
.hero-main .crumb{margin-bottom:22px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.86);border:1px solid #CDE0FA;
  color:var(--c-primary-deep);font-size:13px;font-weight:600;
}
.hero-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.page-h1{
  font-size:var(--fs-h1);line-height:1.22;font-weight:800;color:var(--c-text);
  letter-spacing:-.4px;max-width:15em;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--c-body);max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.trust-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-body);box-shadow:0 2px 8px rgba(18,46,90,.04);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero-side{display:flex;justify-content:flex-end}
.side-card{
  width:100%;max-width:400px;background:rgba(255,255,255,.94);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:24px 24px 20px;backdrop-filter:saturate(120%);
}
.side-card-title{font-size:16px;font-weight:700;color:var(--c-text);display:flex;align-items:center;gap:8px}
.side-card-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary)}
.side-list{margin-top:14px}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;color:var(--c-body);
}
.side-list li:last-child{border-bottom:0}
.side-list em{font-style:normal;font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums}
.side-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-mute)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head .sec-title{font-size:var(--fs-h2);font-weight:800;color:var(--c-text);line-height:1.35;letter-spacing:-.2px}
.sec-eyebrow{
  display:inline-block;margin-bottom:10px;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--c-primary);text-transform:uppercase;
}
.sec-sub{margin-top:12px;font-size:16px;color:var(--c-body);max-width:46em}
.sec-more{flex:0 0 auto;font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.sec-more::after{content:"→";transition:transform .2s}
.sec-more:hover{text-decoration:none}
.sec-more:hover::after{transform:translateX(4px)}

/* 卖点三卡 */
.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.value-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--sh-card);transition:box-shadow .25s,transform .25s;
}
.value-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px)}
.v-icon{
  width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);margin-bottom:18px;
}
.value-card h3{font-size:var(--fs-h3);font-weight:700;color:var(--c-text);line-height:1.5}
.value-card p{margin-top:12px;font-size:15px;color:var(--c-body);line-height:1.85}

/* 场景卡网格 */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .25s,transform .25s;
}
.card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);text-decoration:none}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;left:14px;top:14px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;background:rgba(228,248,245,.95);color:#0B8C7E;
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.card-body{padding:22px 22px 18px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:17.5px;font-weight:700;color:var(--c-text);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-text{margin-top:10px;font-size:14.5px;color:var(--c-body);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;padding:14px 22px 18px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;border-top:1px solid var(--c-line);font-size:13.5px;color:var(--c-mute);
}
.card-foot .go{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot .go::after{content:"→";transition:transform .2s}
.card:hover .card-foot .go::after{transform:translateX(4px)}

/* 流程步骤 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 22px 26px;box-shadow:var(--sh-card);transition:box-shadow .25s,transform .25s;
}
.flow-step:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px)}
.flow-step::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:3px 3px 0 0;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:17px;font-weight:700;color:var(--c-text);line-height:1.5}
.flow-step p{margin-top:10px;font-size:14.5px;color:var(--c-body);line-height:1.8}

/* 交付清单 */
.check-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:34px 32px;
}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 36px}
.check-item{
  display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line);
  font-size:15px;color:var(--c-body);
}
.check-item .ck{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;margin-top:3px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent-soft);color:#0B8C7E;
}
.check-note{margin-top:22px;font-size:13.5px;color:var(--c-mute)}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:14px;box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s;
}
.faq-item.is-open{border-color:#CDE0FA}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 24px;text-align:left;font-size:16.5px;font-weight:700;
  color:var(--c-text);line-height:1.6;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;display:inline-flex;
  align-items:center;justify-content:center;background:var(--c-bg-alt);
  color:var(--c-primary);transition:transform .28s,background-color .2s;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary-soft)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--c-body);line-height:1.9}

/* CTA 条 */
.cta-band{background:var(--c-primary-soft);border-top:1px solid #D9E7FB;border-bottom:1px solid #D9E7FB;padding:56px 0}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-text h2{font-size:26px;font-weight:800;color:var(--c-text);line-height:1.45;letter-spacing:-.2px}
.cta-text p{margin-top:12px;font-size:15.5px;color:var(--c-body);max-width:52em;line-height:1.85}
.cta-note{margin-top:14px;font-size:13.5px;color:var(--c-mute);font-variant-numeric:tabular-nums}
.cta-actions{flex:0 0 auto;display:flex;flex-direction:column;gap:10px;align-items:stretch}
.cta-actions .btn{min-width:180px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--c-line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{font-size:18px;font-weight:800;color:var(--c-text);letter-spacing:.3px}
.footer-intro{font-size:14.5px;color:var(--c-body);line-height:1.9;max-width:30em}
.footer-col h4{font-size:15px;font-weight:700;color:var(--c-text);margin-bottom:16px}
.footer-col ul li{font-size:14.5px;color:var(--c-body);line-height:2.1}
.footer-col ul li a{color:var(--c-body)}
.footer-col ul li a:hover{color:var(--c-primary);text-decoration:underline}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-mute);
}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--fs-h1:38px;--fs-h2:27px}
  .scene-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .nav-search{flex-basis:220px}
  .channels{gap:18px}
}
@media (max-width:1023px){
  :root{--fs-h1:34px;--fs-h2:25px;--fs-h3:20px}
  .section{padding:72px 0}
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:24px 0 52px}
  .hero-side{justify-content:flex-start}
  .side-card{max-width:100%}
  .value-grid{grid-template-columns:1fr;gap:18px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-grid{grid-template-columns:1fr}
  .cta-band-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .hotwords{display:none}
  .nav-search{flex-basis:180px}
}
@media (max-width:767px){
  :root{--fs-h1:29px;--fs-h2:23px;--fs-h3:19px;--brand-h:54px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .head-phone{display:none}
  .burger{display:inline-flex}
  .channel-row{display:none}
  .site-header.is-scrolled .brand-row-inner{height:50px}
  .page-h1{max-width:none}
  .hero-sub{font-size:15.5px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 100%}
  .scene-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .check-wrap{padding:24px 20px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .faq-q{padding:14px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 18px}
  .cta-text h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  :root{--fs-h1:26px;--fs-h2:21px}
  .brand-name{font-size:17px}
  .logo-mark{width:30px;height:30px;flex-basis:30px;font-size:15px}
  .btn{min-height:44px;padding:0 18px;font-size:14.5px}
  .card-title{font-size:16.5px}
  .trust-tags{gap:8px}
  .tag{font-size:12.5px;height:32px;padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}