/* roulang page: index */
:root{
  --brand-600:#1B5AD8;
  --brand-700:#1345A8;
  --brand-100:#DCE8FC;
  --brand-050:#EFF5FE;
  --accent-500:#FF7A33;
  --accent-050:#FFF1E8;
  --teal-500:#0FB5A6;
  --ink-900:#0E1A2B;
  --ink-700:#2A3A52;
  --ink-500:#5B6B82;
  --line:#E3E9F2;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(16,42,88,.06);
  --sh-2:0 14px 34px rgba(16,42,88,.12);
  --sh-3:0 24px 48px rgba(16,42,88,.16);
  --sec-gap:104px;
  --bs-primary:#1B5AD8;
  --bs-primary-rgb:27,90,216;
  --bs-body-color:#2A3A52;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E3E9F2;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--page-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;font-weight:700;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(27,90,216,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.section{padding:var(--sec-gap) 0;}
.section-tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-050);color:var(--brand-700);
  border-radius:var(--r-pill);padding:7px 16px;font-size:13.5px;font-weight:600;
  margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:14px;}
.sec-head p{color:var(--ink-500);font-size:16px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:84px;
  display:flex;align-items:center;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 4px 20px rgba(16,42,88,.06);
  transition:height .24s ease,background-color .24s ease,box-shadow .24s ease;
}
.site-header.is-solid{
  height:64px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-2);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:var(--ink-900);letter-spacing:-.01em;}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--brand-600),#3F86FF);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 6px 14px rgba(27,90,216,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:var(--r-sm);
  color:var(--ink-700);font-size:15.5px;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover{color:var(--brand-700);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-700);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink-700);
  transition:all .22s ease;
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);box-shadow:var(--sh-1);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--brand-600);color:#fff;font-weight:600;font-size:15.5px;
  box-shadow:0 8px 20px rgba(27,90,216,.22);
  transition:all .22s ease;
}
.btn-main:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(-1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 30px;border-radius:var(--r-pill);
  background:var(--accent-500);color:#fff;font-weight:600;font-size:16px;
  box-shadow:0 10px 24px rgba(255,122,51,.28);transition:all .22s ease;
}
.btn-accent:hover{background:#EE6A22;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(-1px);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-900);font-weight:600;font-size:16px;
  transition:all .22s ease;
}
.btn-outline:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.9);color:var(--ink-900);font-weight:600;
  transition:all .22s ease;
}
.btn-ghost:hover{background:#fff;color:var(--brand-700);box-shadow:var(--sh-2);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);color:var(--ink-900);
  align-items:center;justify-content:center;font-size:18px;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,26,43,.48);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:1050;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px 22px 26px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  padding:14px 14px;border-radius:var(--r-sm);color:var(--ink-700);font-weight:500;
  border:1px solid transparent;
}
.drawer nav a:hover,.drawer nav a.active{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-100);}
.drawer .btn-accent{margin-top:auto;width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:168px 0 96px;
  background:linear-gradient(180deg,#F2F7FF 0%,#F6F8FC 100%);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  opacity:.9;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 46%,rgba(255,255,255,.35) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--accent-050);color:#C25616;border-radius:var(--r-pill);
  padding:8px 17px;font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.hero h1{font-size:clamp(30px,4vw,52px);font-weight:800;line-height:1.18;margin-bottom:20px;}
.hero-sub{font-size:17px;color:var(--ink-700);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.hero-meta li{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-050);color:var(--brand-700);
  border-radius:var(--r-pill);padding:8px 16px;font-size:13.5px;font-weight:600;
}
.hero-meta li i{color:var(--brand-600);}
.hero-visual{position:relative;}
.hero-visual .hero-photo{
  width:100%;aspect-ratio:4/3.1;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-3);
}
.hero-float{
  position:absolute;left:-22px;bottom:-24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:16px 20px;min-width:196px;
}
.hero-float .num{font-size:26px;font-weight:800;color:var(--teal-500);line-height:1.2;font-family:Manrope,"PingFang SC",sans-serif;}
.hero-float .lbl{font-size:13px;color:var(--ink-500);}
.hero-float .tagline{
  position:absolute;top:-13px;right:14px;
  background:rgba(255,255,255,.72);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.9);border-radius:var(--r-pill);
  padding:4px 12px;font-size:12.5px;font-weight:600;color:var(--accent-500);
}

/* ---------- 信任条 ---------- */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{text-align:center;padding:6px 10px;}
.trust-item .value{font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--teal-500);line-height:1.15;font-family:Manrope,"PingFang SC",sans-serif;}
.trust-item .value span{font-size:16px;font-weight:700;margin-left:2px;}
.trust-item .label{margin-top:8px;font-size:14px;color:var(--ink-500);}

/* ---------- 服务卡 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.svc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);transition:all .3s ease;height:100%;
  display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--sh-2);}
.svc-icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.svc-card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.svc-card p{font-size:15px;color:var(--ink-500);margin-bottom:16px;}
.svc-card .svc-img{
  margin-top:auto;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);
}

/* ---------- 资讯列表 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .3s ease;color:inherit;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--sh-2);color:inherit;}
.news-thumb{overflow:hidden;aspect-ratio:16/9;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-badge{
  align-self:flex-start;background:var(--brand-050);color:var(--brand-700);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.news-body h3{
  font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14.5px;color:var(--ink-500);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-500);border-top:1px solid var(--line);padding-top:14px;
}
.news-foot .arrow{color:var(--brand-600);transition:transform .22s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.empty-state{
  text-align:center;padding:64px 20px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-md);color:var(--ink-500);
}
.empty-state i{font-size:30px;color:var(--brand-100);margin-bottom:14px;display:block;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--accent-500);box-shadow:0 0 0 4px var(--accent-050);
}
.tl-item.done::before{background:var(--line);box-shadow:0 0 0 4px #F1F4F9;}
.tl-time{font-size:13.5px;font-weight:700;color:var(--accent-500);letter-spacing:.02em;}
.tl-title{font-size:18px;font-weight:600;color:var(--ink-900);margin:6px 0 6px;}
.tl-desc{font-size:15px;color:var(--ink-500);margin-bottom:10px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tl-tags span{
  background:var(--brand-050);color:var(--brand-700);border-radius:var(--r-pill);
  padding:4px 12px;font-size:12.5px;font-weight:600;
}
.tl-tags span.accent{background:var(--accent-050);color:#C25616;}
.agenda-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start;}
.agenda-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);position:sticky;top:96px;
}
.agenda-side h3{font-size:19px;margin-bottom:14px;}
.agenda-side ul li{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-500);
}
.agenda-side ul li:last-child{border-bottom:none;}
.agenda-side ul li strong{color:var(--ink-900);font-weight:600;}

/* ---------- 嘉宾 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.filter-row button{
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-700);font-size:14px;font-weight:600;transition:all .22s ease;
}
.filter-row button:hover{border-color:var(--brand-600);color:var(--brand-700);}
.filter-row button.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;box-shadow:0 8px 18px rgba(27,90,216,.2);}
.guest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guest-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:all .3s ease;text-align:left;
}
.guest-card:hover{transform:translateY(-4px);border-color:var(--brand-100);box-shadow:var(--sh-2);}
.guest-avatar{
  width:76px;height:76px;border-radius:var(--r-md);object-fit:cover;margin-bottom:16px;
}
.guest-card h3{font-size:18px;font-weight:600;margin-bottom:4px;}
.guest-role{font-size:14px;color:var(--ink-500);margin-bottom:14px;}
.guest-tags{display:flex;flex-wrap:wrap;gap:7px;}
.guest-tags span{background:var(--brand-050);color:var(--brand-700);border-radius:var(--r-pill);padding:4px 11px;font-size:12.5px;font-weight:600;}
.guest-tags span.accent{background:var(--accent-050);color:#C25616;}

/* ---------- 票种 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.ticket-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:all .3s ease;
}
.ticket-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ticket-card.featured{border:2px solid var(--accent-500);box-shadow:var(--sh-2);}
.ticket-flag{
  position:absolute;top:-13px;left:26px;
  background:rgba(255,241,232,.82);backdrop-filter:blur(8px);
  border:1px solid rgba(255,122,51,.45);color:#C25616;
  border-radius:var(--r-pill);padding:4px 14px;font-size:12.5px;font-weight:700;
}
.ticket-card h3{font-size:20px;margin-bottom:6px;}
.ticket-note{font-size:13.5px;color:var(--ink-500);margin-bottom:18px;}
.ticket-price{font-size:38px;font-weight:800;color:var(--ink-900);line-height:1;font-family:Manrope,"PingFang SC",sans-serif;}
.ticket-price small{font-size:15px;font-weight:600;color:var(--ink-500);margin-left:4px;}
.ticket-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;}
.ticket-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700);}
.ticket-list li i{color:var(--teal-500);margin-top:6px;font-size:13px;}
.ticket-card .btn-outline,.ticket-card .btn-main{width:100%;height:48px;margin-top:auto;}

/* ---------- CTA 表单 ---------- */
.signup{background:var(--brand-050);}
.signup-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;}
.signup-copy h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.signup-copy p{color:var(--ink-500);margin-bottom:22px;}
.signup-points li{display:flex;gap:11px;font-size:15px;margin-bottom:12px;color:var(--ink-700);}
.signup-points li i{color:var(--brand-600);margin-top:6px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--ink-900);}
.field label .req{color:var(--accent-500);}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;background:#fff;color:var(--ink-900);transition:all .2s ease;
}
.field textarea{height:98px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(27,90,216,.18);
}
.form-hint{font-size:13px;color:var(--ink-500);margin-top:14px;}
.form-card .btn-accent{width:100%;margin-top:20px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 4px 16px 18px;
  font-size:17px;font-weight:700;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand-600);border-radius:2px;transition:height .26s ease;
}
.faq-item[open] summary::before{height:28px;}
.faq-item summary .mark{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  transition:transform .26s ease,background-color .26s ease,color .26s ease;
}
.faq-item[open] summary .mark{transform:rotate(180deg);background:var(--brand-600);color:#fff;}
.faq-answer{max-width:720px;padding:0 4px 22px 18px;color:var(--ink-700);font-size:16px;line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#A9B6C8;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;color:#fff;margin-bottom:18px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#2E6BE6,#5C9BFF);}
.site-footer p{font-size:14.5px;line-height:1.9;color:#93A2B7;max-width:330px;}
.footer-title{font-size:14px;font-weight:700;color:var(--brand-100);margin-bottom:18px;letter-spacing:.02em;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#A9B6C8;font-size:14.5px;}
.footer-links a:hover{color:var(--brand-100);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:13px;color:#A9B6C8;}
.footer-contact li i{color:#5C9BFF;margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8494AB;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);color:#C9D6E6;
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.footer-social a:hover{background:var(--brand-600);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .svc-grid,.guest-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1024px){
  :root{--sec-gap:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:140px 0 76px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-visual .hero-photo{aspect-ratio:16/9;}
  .hero-float{left:14px;bottom:-18px;}
  .agenda-wrap{grid-template-columns:1fr;gap:32px;}
  .agenda-side{position:static;}
  .signup-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec-gap:52px;}
  body{font-size:16px;}
  .trust-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .svc-grid,.guest-grid{grid-template-columns:1fr 1fr;}
  .ticket-grid{grid-template-columns:1fr;}
  .ticket-card.featured{order:-1;}
  .form-grid{grid-template-columns:1fr;}
  .hero-actions a{flex:1 1 auto;}
  .hero-meta li{font-size:13px;padding:7px 13px;}
  .faq-item summary{font-size:16px;padding-left:16px;}
  .faq-answer{padding-left:16px;}
}
@media (max-width:576px){
  .svc-grid,.guest-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding:124px 0 64px;}
  .hero-float{position:static;margin-top:16px;left:0;bottom:0;}
  .hero-float .tagline{position:static;display:inline-block;margin-bottom:6px;}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .form-card{padding:22px;}
}

/* roulang page: article */
:root{
  --brand-600:#1B5AD8;
  --brand-700:#1345A8;
  --brand-100:#DCE8FC;
  --brand-050:#EFF5FE;
  --accent-500:#FF7A33;
  --accent-050:#FFF1E8;
  --teal-500:#0FB5A6;
  --ink-900:#0E1A2B;
  --ink-700:#2A3A52;
  --ink-500:#5B6B82;
  --line:#E3E9F2;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,42,88,.06);
  --shadow-2:0 14px 34px rgba(16,42,88,.12);
  --shadow-3:0 24px 48px rgba(16,42,88,.16);
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:72px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-primary:var(--brand-600);
  --bs-primary-rgb:27,90,216;
  --bs-body-color:var(--ink-700);
  --bs-body-bg:var(--page-bg);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--radius-sm);
  --bs-link-color:var(--brand-700);
  --bs-link-hover-color:var(--brand-600);
  --bs-font-sans-serif:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--page-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-600)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(27,90,216,.28);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
h1,h2,h3,h4{color:var(--ink-900);letter-spacing:-.01em;font-weight:700;margin:0}
p{margin:0 0 18px}
section{position:relative}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 4px 20px rgba(16,42,88,.06);
  transition:background .24s ease,box-shadow .24s ease,height .24s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:var(--shadow-2);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:84px;
  transition:height .24s ease;
}
.site-header.scrolled .nav-inner{height:64px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700)}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 18px rgba(27,90,216,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink-700);
  border-radius:var(--radius-sm);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-050)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-700)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  transition:.22s ease;
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-050)}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 24px;
  border:0;
  border-radius:var(--radius-pill);
  background:var(--accent-500);
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  box-shadow:0 10px 22px rgba(255,122,51,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-main:hover{background:#F26A22;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-main:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  font-size:18px;
}
.nav-drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(86vw,360px);
  background:#fff;
  z-index:1050;
  padding:28px 24px 30px;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.22,.7,.3,1);
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer .drawer-title{font-size:13px;font-weight:700;color:var(--ink-500);letter-spacing:.08em}
.nav-drawer a.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  color:var(--ink-900);
  font-weight:600;
  font-size:16px;
}
.nav-drawer a.drawer-link:hover{color:var(--brand-700)}
.drawer-close{
  align-self:flex-end;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-900);
}
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(14,26,43,.48);
  z-index:1040;
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.nav-mask.open{opacity:1;visibility:visible}

/* ============ 通用按钮 ============ */
.btn-ghost,.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15.5px;
  font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-outline{
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-900);
}
.btn-outline:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-primary-solid{
  background:var(--brand-600);
  border:1px solid var(--brand-600);
  color:#fff;
  box-shadow:0 10px 22px rgba(27,90,216,.24);
}
.btn-primary-solid:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary-solid:active{transform:translateY(0)}
.btn-accent{
  background:var(--accent-500);
  border:1px solid var(--accent-500);
  color:#fff;
  box-shadow:0 10px 22px rgba(255,122,51,.26);
}
.btn-accent:hover{background:#F26A22;color:#fff;transform:translateY(-2px)}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:var(--brand-050);
  color:var(--ink-700);
  font-size:13px;
  font-weight:600;
  line-height:1.5;
}
.pill.accent{background:var(--accent-050);color:#A34A16}
.pill.teal{background:rgba(15,181,166,.12);color:#0A7C71}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--page-bg) 100%);
  padding:28px 0 8px;
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-500);
  padding-bottom:18px;
}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#C3CEDF}
.crumb .current{color:var(--ink-700);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--brand-050);color:var(--brand-700);
  font-size:13px;font-weight:700;
}

/* ============ 文章头 ============ */
.article-head{padding:34px 0 0}
.article-wrap{max-width:860px;margin:0 auto}
.article-head h1{
  font-size:clamp(26px,3.1vw,40px);
  line-height:1.28;
  font-weight:800;
  margin:16px 0 18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:14px;
  color:var(--ink-500);
  padding-bottom:22px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand-600)}
.head-divider{
  height:4px;
  width:100%;
  border-radius:4px;
  background:linear-gradient(90deg,var(--brand-600) 0%,rgba(27,90,216,.18) 46%,rgba(255,122,51,.35) 100%);
  margin-bottom:8px;
}
.lead-cover{
  margin:30px 0 0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  border:1px solid var(--line);
  background:#fff;
}
.lead-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.lead-cover figcaption{font-size:13px;color:var(--ink-500);padding:12px 20px;border-top:1px solid var(--line)}

/* ============ 正文 ============ */
.article-body-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:clamp(24px,4vw,52px);
  margin:34px 0 0;
}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.3vw,27px);
  line-height:1.4;
  margin:42px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:4px;
  border-radius:4px;
  background:var(--brand-600);
}
.article-body h3{font-size:19.5px;font-weight:600;margin:32px 0 12px;line-height:1.5}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body ul li::marker{color:var(--brand-600)}
.article-body ol li::marker{color:var(--brand-600);font-weight:700}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:var(--brand-050);
  border-left:4px solid var(--brand-600);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-md);margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13.5px;color:var(--ink-500);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.article-body th{background:var(--brand-050);color:var(--ink-900);font-weight:700}
.article-body pre{
  background:#0E1A2B;color:#E7EEF9;padding:20px 22px;border-radius:var(--radius-md);
  overflow-x:auto;font-size:14.5px;line-height:1.7;margin:24px 0;
}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(27,90,216,.32)}
.article-body a:hover{color:var(--brand-600);border-bottom-color:var(--brand-600)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* 空态 */
.empty-state{
  text-align:center;
  padding:64px 24px 70px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  margin-top:32px;
}
.empty-state .empty-icon{
  width:70px;height:70px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);
  font-size:26px;margin-bottom:18px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{max-width:520px;margin:0 auto 22px;color:var(--ink-500)}

/* ============ 文末工具条 ============ */
.article-foot{
  max-width:780px;
  margin:30px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.share-row{display:flex;align-items:center;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:42px;padding:0 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-700);
  font-size:14px;font-weight:600;transition:.22s ease;
}
.share-btn:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-050)}
.share-btn.active{background:var(--accent-050);border-color:var(--accent-500);color:#A34A16}

/* ============ 相关推荐 ============ */
.related{
  padding:var(--space-6) 0 var(--space-5);
}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:10px}
.section-head p{color:var(--ink-500);font-size:15.5px;margin:0}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.rec-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--brand-050)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:18.5px;line-height:1.5;font-weight:700}
.rec-body p{font-size:14.8px;color:var(--ink-500);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rec-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--brand-700);
}
.rec-link i{transition:transform .24s ease}
.rec-card:hover .rec-link i{transform:translateX(4px)}

/* 返回入口 */
.back-bar{
  max-width:860px;margin:0 auto;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;
  background:var(--brand-050);
  border:1px solid var(--brand-100);
  border-radius:var(--radius-md);
}
.back-bar .back-text{font-size:15px;color:var(--ink-700);margin:0;font-weight:600}

/* ============ CTA ============ */
.cta-band{
  margin:var(--space-6) 0;
  background:linear-gradient(120deg,var(--brand-600) 0%,#2C74E8 58%,#3E8BF0 100%);
  border-radius:var(--radius-lg);
  padding:clamp(30px,4.4vw,56px);
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-110px;
  width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.9);margin:0;max-width:56ch;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  background:#fff;color:var(--brand-700);font-weight:700;font-size:15.5px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-3)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.55);
  background:rgba(255,255,255,.08);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:#B9C6DA;
  padding:var(--space-6) 0 0;
  margin-top:var(--space-6);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:19px;font-weight:800;margin-bottom:16px;
}
.footer-brand .brand-mark{box-shadow:none}
.site-footer p{font-size:14.6px;line-height:1.85;color:#9FB0C8;margin:0}
.footer-title{
  font-size:14px;font-weight:700;color:var(--brand-100);
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-links,.footer-contact{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-links a,.footer-contact li{font-size:14.6px;color:#B9C6DA;display:inline-flex;align-items:flex-start;gap:9px}
.footer-links a:hover{color:var(--brand-100)}
.footer-contact i{color:var(--brand-100);margin-top:5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 30px;font-size:13.5px;color:#8A9AB2;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#CBD8EA;transition:.22s ease;
}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links a{padding:10px 10px;font-size:15px}
  .nav-links a::after{left:10px;right:10px}
  .rec-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .site-header.scrolled .nav-inner{height:66px}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .nav-inner{height:72px}
  body{font-size:16px}
  .article-head{padding:24px 0 0}
  .article-body-wrap{padding:24px 18px;border-radius:var(--radius-md);margin-top:24px}
  .rec-grid{grid-template-columns:1fr}
  .cta-band{border-radius:var(--radius-md)}
  .back-bar{padding:18px 18px;flex-direction:column;align-items:flex-start}
  .crumb .current{white-space:normal;max-width:100%}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .article-meta{gap:8px 16px;font-size:13.5px}
  .btn-main{height:44px;padding:0 18px;font-size:15px}
  .cta-actions{width:100%}
  .cta-actions .btn-light,.cta-actions .btn-ghost{flex:1 1 100%}
  .article-foot{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-600:#1B5AD8;
  --brand-700:#1345A8;
  --brand-100:#DCE8FC;
  --brand-050:#EFF5FE;
  --accent-500:#FF7A33;
  --accent-050:#FFF1E8;
  --teal-500:#0FB5A6;
  --ink-900:#0E1A2B;
  --ink-700:#2A3A52;
  --ink-500:#5B6B82;
  --line:#E3E9F2;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(16,42,88,.06);
  --sh-2:0 14px 34px rgba(16,42,88,.12);
  --sh-3:0 24px 48px rgba(16,42,88,.16);
  --bs-primary:#1B5AD8;
  --bs-primary-rgb:27,90,216;
  --bs-body-color:#2A3A52;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E3E9F2;
  --bs-border-radius:16px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page-bg);
  color:var(--ink-700);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-0.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(27,90,216,.28);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 4px 20px rgba(16,42,88,.06);
  transition:height .24s ease,background .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-2);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:84px;
  transition:height .24s ease;
}
.site-header.scrolled .nav-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  box-shadow:0 6px 16px rgba(27,90,216,.28);
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--ink-700);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand-700);}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-700);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  align-items:center;
  justify-content:center;
  font-size:15px;
  transition:all .22s ease;
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--accent-500);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  box-shadow:0 8px 20px rgba(255,122,51,.28);
  transition:all .22s ease;
  cursor:pointer;
}
.btn-main:hover{background:#F26A1F;color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,51,.34);}
.btn-main:active{transform:translateY(1px);}
.nav-toggle{
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  font-size:17px;
  display:none;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all .22s ease;
}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-700);}
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(14,26,43,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:1090;
}
.nav-mask.show{opacity:1;visibility:visible;}

@media (max-width:991px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:96px 24px 40px;
    transform:translateX(100%);
    transition:transform .28s ease;
    box-shadow:var(--sh-3);
    z-index:1100;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{
    padding:16px 0;
    font-size:16px;
    border-bottom:1px solid var(--line);
    color:var(--ink-900);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--brand-700);}
  .nav-toggle{display:inline-flex;}
}

/* ============ 按钮 ============ */
.btn-second{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-900);
  font-size:15px;
  font-weight:600;
  transition:all .22s ease;
  cursor:pointer;
}
.btn-second:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-second:active{transform:translateY(0);}
.btn-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  border:1px solid var(--brand-100);
  color:var(--brand-700);
  font-size:14px;
  font-weight:600;
  transition:all .22s ease;
}
.btn-line:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}

/* ============ 通用板块 ============ */
.section{padding:104px 0;}
.section.tight{padding:72px 0;}
.section.alt{background:#fff;}
.section-tint{background:var(--brand-050);}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:14px;}
.section-head p{color:var(--ink-500);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 96px;
  background-image:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.80) 46%,rgba(255,255,255,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;
  align-items:end;
}
.hero h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;
  font-weight:800;
  margin:0 0 18px;
  max-width:16em;
}
.hero-sub{
  font-size:17px;
  color:var(--ink-700);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.hero-facts span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--ink-700);
  font-size:13.5px;
  border:1px solid var(--brand-100);
}
.hero-facts i{color:var(--brand-600);font-size:12px;}
.hero-shot{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  overflow:hidden;
  transform:translateY(36px);
}
.hero-shot img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.hero-shot .shot-body{padding:18px 20px 20px;}
.hero-shot .shot-body strong{display:block;color:var(--ink-900);font-size:15.5px;margin-bottom:6px;}
.hero-shot .shot-body span{display:block;color:var(--ink-500);font-size:13px;line-height:1.7;}

/* ============ 频道条 ============ */
.channel-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:20px 0;
}
.channel-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:thin;
}
.channel-scroll::-webkit-scrollbar{height:6px;}
.channel-scroll::-webkit-scrollbar-thumb{background:var(--brand-100);border-radius:3px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  border:1px solid var(--brand-100);
  color:var(--ink-700);
  font-size:14px;
  font-weight:500;
  transition:all .2s ease;
}
.chip:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}
.chip i{font-size:12px;color:var(--brand-600);}

/* ============ 精选资讯卡 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.news-card .thumb{overflow:hidden;}
.news-card .thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .3s ease;
}
.news-card:hover .thumb img{transform:scale(1.04);}
.news-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  background:var(--brand-050);
  color:var(--brand-700);
}
.badge.accent{background:var(--accent-050);color:#C4521A;}
.badge.teal{background:rgba(15,181,166,.12);color:#0B8A7E;}
.news-body h3{font-size:19px;line-height:1.5;}
.news-body p{font-size:14.5px;color:var(--ink-500);line-height:1.8;}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-500);
}
.news-meta a{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px;}

/* ============ 类型网格 ============ */
.type-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.type-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.type-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.type-icon{
  width:48px;height:48px;
  border-radius:14px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  margin-bottom:18px;
}
.type-card h3{font-size:17.5px;margin-bottom:10px;}
.type-card p{font-size:14.5px;color:var(--ink-500);line-height:1.8;}

/* ============ 图文与数据 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
  background:#fff;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.split p.lead{color:var(--ink-500);margin-bottom:26px;}
.check-list{display:grid;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  color:var(--ink-700);
}
.check-list i{color:var(--teal-500);font-size:15px;margin-top:5px;}
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:8px;
}
.stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-1);
}
.stat b{
  display:block;
  font-size:32px;
  font-weight:800;
  color:var(--teal-500);
  letter-spacing:-0.02em;
  line-height:1.2;
  margin-bottom:6px;
}
.stat span{font-size:14px;color:var(--ink-500);}

/* ============ 步骤 ============ */
.step-list{display:grid;gap:18px;margin-top:8px;}
.step-item{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:22px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.step-num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.6px var(--accent-500);
  letter-spacing:-0.02em;
}
.step-item h3{font-size:18px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--ink-500);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:22px 46px 22px 18px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink-900);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:24px;bottom:24px;
  width:3px;
  border-radius:3px;
  background:var(--brand-600);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:8px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:500;
  color:var(--brand-600);
  line-height:1;
  transition:transform .24s ease;
}
.faq-item[open] summary{color:var(--brand-700);}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand-700);}
.faq-answer{
  padding:0 46px 26px 18px;
  font-size:15.5px;
  color:var(--ink-500);
  max-width:720px;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--accent-050);
  border-top:1px solid #FFE1CE;
  border-bottom:1px solid #FFE1CE;
  padding:88px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 480px;
  gap:48px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.cta-inner .cta-copy p{color:var(--ink-700);margin-bottom:20px;}
.cta-points{display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-700);}
.cta-points i{color:var(--accent-500);margin-top:6px;font-size:14px;}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 30px 32px;
  box-shadow:var(--sh-3);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--ink-500);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-700);
  margin-bottom:8px;
}
.field label .req{color:var(--accent-500);}
.field input,
.field select,
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,
.field textarea::placeholder{color:#9AA8BC;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(27,90,216,.16);
}
.field .hint{display:block;font-size:13px;color:var(--ink-500);margin-top:6px;}
.form-card .btn-main{width:100%;height:50px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:#C7D2E2;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.1fr 1fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:#fff;
  margin-bottom:18px;
}
.footer-brand .brand-mark{
  background:linear-gradient(135deg,var(--brand-600),#2E6FE8);
  box-shadow:none;
}
.site-footer p{font-size:14.5px;line-height:1.85;color:#9EADC2;}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--brand-100);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#C7D2E2;font-size:14.5px;}
.footer-links a:hover{color:var(--brand-100);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:#C7D2E2;
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{color:var(--brand-100);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8C9CB4;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#C7D2E2;
  transition:all .22s ease;
}
.footer-social a:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .news-grid{gap:20px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .hero{padding:132px 0 84px;}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:32px;align-items:start;}
  .hero-shot{transform:none;max-width:460px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .type-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);gap:34px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .hero{padding:118px 0 64px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-main,
  .hero-actions .btn-second{height:46px;padding:0 20px;font-size:14.5px;}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .type-grid{grid-template-columns:minmax(0,1fr);}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .stat{padding:20px 18px;}
  .stat b{font-size:26px;}
  .step-item{grid-template-columns:minmax(0,1fr);gap:12px;padding:22px 20px;}
  .step-num{font-size:28px;}
  .faq-item summary{padding:18px 40px 18px 16px;font-size:15.5px;}
  .faq-answer{padding:0 40px 22px 16px;}
  .cta-band{padding:56px 0;}
  .form-card{padding:24px 20px 26px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:519px){
  .brand{font-size:17px;}
  .stat-row{grid-template-columns:minmax(0,1fr);}
  .hero-facts span{font-size:13px;padding:7px 13px;}
}

/* roulang page: category2 */
:root{
  --brand-600:#1B5AD8;
  --brand-700:#1345A8;
  --brand-100:#DCE8FC;
  --brand-050:#EFF5FE;
  --accent-500:#FF7A33;
  --accent-050:#FFF1E8;
  --teal-500:#0FB5A6;
  --ink-900:#0E1A2B;
  --ink-700:#2A3A52;
  --ink-500:#5B6B82;
  --line:#E3E9F2;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(16,42,88,.06);
  --sh-2:0 14px 34px rgba(16,42,88,.12);
  --sh-3:0 24px 48px rgba(16,42,88,.16);
  --gutter:24px;
  --bs-primary:#1B5AD8;
  --bs-primary-rgb:27,90,216;
  --bs-body-color:#2A3A52;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E3E9F2;
  --bs-border-radius:10px;
  --bs-link-color:#1B5AD8;
  --bs-link-hover-color:#1345A8;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--page-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease,transform .22s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(27,90,216,.28);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
@media (min-width:1400px){ .container{max-width:1320px;} }

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:84px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 6px 20px rgba(16,42,88,.06);
  transition:height .24s ease,background-color .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{
  height:64px;
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px rgba(16,42,88,.12);
}
.nav-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-600),#3F82F0);
  color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(27,90,216,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15.5px;
  color:var(--ink-700);
  border-radius:var(--r-pill);
  font-weight:500;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  width:0;height:2px;
  background:var(--brand-700);
  transform:translateX(-50%);
  transition:width .22s ease;
  border-radius:2px;
}
.nav-links a:hover{color:var(--brand-700);}
.nav-links a:hover::after{width:22px;}
.nav-links a.active{
  color:var(--brand-700);
  background:var(--brand-050);
  font-weight:700;
}
.nav-links a.active::after{width:22px;}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  font-size:15px;
  transition:all .22s ease;
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--accent-500);
  color:#fff;font-weight:700;font-size:15px;
  border:1px solid transparent;
  box-shadow:0 10px 22px rgba(255,122,51,.28);
  transition:all .22s ease;
}
.btn-main:hover{background:#F26718;color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,51,.34);}
.btn-main:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  color:var(--ink-900);
  font-size:17px;
}
.nav-backdrop{
  display:none;
  position:fixed;inset:0;
  background:rgba(14,26,43,.48);
  z-index:1040;
  opacity:0;
  transition:opacity .24s ease;
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(320px,86vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:92px 22px 32px;
    z-index:1050;
    transform:translateX(105%);
    transition:transform .28s ease;
    box-shadow:-20px 0 40px rgba(16,42,88,.16);
    overflow-y:auto;
  }
  .nav-links a{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:var(--brand-050);}
  body.nav-open .nav-links{transform:translateX(0);}
  body.nav-open .nav-backdrop{display:block;opacity:1;}
  body.nav-open{overflow:hidden;}
}
@media (max-width:575.98px){
  .brand{font-size:18px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
}

/* ---------- 通用按钮 ---------- */
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  font-weight:600;font-size:15px;
  transition:all .22s ease;
}
.btn-outline:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--brand-600);
  color:#fff;font-weight:700;font-size:15px;
  border:1px solid transparent;
  box-shadow:0 10px 22px rgba(27,90,216,.24);
  transition:all .22s ease;
}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.5);
  color:#fff;font-weight:600;background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 84px;
  background-image:linear-gradient(100deg,#fff 0%,rgba(255,255,255,.88) 42%,rgba(255,255,255,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:13.5px;font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;
  line-height:1.18;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  color:var(--ink-700);
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;
}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--ink-700);
  font-size:14px;font-weight:500;
}
.fact i{color:var(--brand-600);}
.hero-visual{position:relative;}
.hero-photo{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-3);
  border:1px solid var(--line);
  background:#fff;
}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;
  left:-18px;bottom:-26px;
  width:min(250px,74vw);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:18px 20px;
}
.hero-float .fl-label{font-size:13px;color:var(--ink-500);}
.hero-float .fl-num{
  font-size:26px;font-weight:800;color:var(--teal-500);
  line-height:1.3;
  letter-spacing:-.01em;
}
.hero-float .fl-note{font-size:13.5px;color:var(--ink-700);}
@media (max-width:991.98px){
  .hero{padding:126px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-float{position:static;margin-top:16px;width:100%;box-shadow:var(--sh-1);}
}
@media (max-width:575.98px){
  .hero{padding:112px 0 52px;}
  .hero-actions .btn-brand,.hero-actions .btn-outline{width:100%;justify-content:center;}
}

/* ---------- 板块 ---------- */
.section{padding:104px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-soft{background:var(--brand-050);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .kicker{
  display:inline-block;
  font-size:13.5px;font-weight:700;
  color:var(--brand-600);
  letter-spacing:.02em;
  margin-bottom:10px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.section-head p{color:var(--ink-500);margin:0;font-size:16px;}
@media (max-width:991.98px){ .section{padding:72px 0;} }
@media (max-width:575.98px){ .section{padding:52px 0;} }

/* ---------- 面包屑 ---------- */
.crumb{
  padding:104px 0 0;
  font-size:13.5px;
  color:var(--ink-500);
}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"";width:1px;height:12px;background:var(--line);display:inline-block;}

/* ---------- 流程步骤 ---------- */
.flow-layout{
  display:grid;
  grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.steps{position:relative;padding-left:6px;}
.step{
  position:relative;
  padding:0 0 34px 84px;
  border-left:0;
}
.step::before{
  content:"";
  position:absolute;
  left:29px;top:60px;bottom:6px;
  width:2px;
  background:linear-gradient(180deg,var(--brand-100),rgba(220,232,252,.2));
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;
  width:60px;height:60px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;
  color:var(--accent-500);
  background:#fff;
  border:2px solid var(--accent-500);
  border-radius:50%;
  box-shadow:0 8px 20px rgba(255,122,51,.16);
}
.step h3{font-size:21px;font-weight:700;margin-bottom:8px;}
.step p{color:var(--ink-700);margin-bottom:12px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--ink-700);
  font-size:13px;font-weight:500;
}
.tag.warm{background:var(--accent-050);color:#B5491A;}
.tag.teal{background:rgba(15,181,166,.1);color:#0A8479;}
.step-tip{
  background:var(--page-bg);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:14.5px;
  color:var(--ink-700);
  margin-top:4px;
}
.step-tip i{color:var(--brand-600);margin-right:6px;}
@media (max-width:767.98px){
  .step{padding-left:0;padding-top:76px;}
  .step::before{display:none;}
  .step-num{left:0;top:0;width:54px;height:54px;font-size:20px;}
}
/* 右侧 sticky 目录 */
.toc-card{
  position:sticky;
  top:104px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:26px;
}
.toc-card h3{font-size:18px;margin-bottom:16px;}
.toc-list{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:var(--r-sm);
  color:var(--ink-700);
  font-size:15px;
}
.toc-list a:hover{background:var(--brand-050);color:var(--brand-700);}
.toc-list a i{color:var(--brand-600);font-size:13px;}
.toc-note{
  border-top:1px dashed var(--line);
  padding-top:18px;
  font-size:14px;
  color:var(--ink-500);
}
.toc-note strong{display:block;color:var(--ink-900);font-size:15px;margin-bottom:6px;}
.toc-cta{
  margin-top:18px;width:100%;justify-content:center;
}
@media (max-width:991.98px){
  .flow-layout{grid-template-columns:1fr;gap:36px;}
  .toc-card{position:static;}
}

/* ---------- 两栏说明 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;}
.check-list i{color:var(--teal-500);margin-top:6px;font-size:15px;}
.check-list strong{color:var(--ink-900);}
@media (max-width:991.98px){ .split{grid-template-columns:1fr;gap:32px;} }

/* ---------- 规则条 ---------- */
.rule-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rule-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rule-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.rule-item .ri-ico{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);
  font-size:17px;margin-bottom:16px;
}
.rule-item h3{font-size:18px;margin-bottom:10px;}
.rule-item p{font-size:15px;color:var(--ink-700);margin:0;}
@media (max-width:991.98px){ .rule-grid{grid-template-columns:1fr;} }

/* ---------- 表单带 ---------- */
.cta-band{
  background:linear-gradient(120deg,#EFF5FE 0%,#FFF1E8 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:84px 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:48px;
  align-items:center;
}
.cta-copy h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.cta-copy p{color:var(--ink-700);max-width:520px;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink-700);}
.cta-points i{color:var(--accent-500);}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:32px;
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--ink-500);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:7px;}
.field .req{color:var(--accent-500);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  font-size:15px;
  color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(27,90,216,.16);
}
.field .hint{font-size:13px;color:var(--ink-500);margin-top:6px;}
.form-submit{width:100%;justify-content:center;margin-top:6px;}
.form-feedback{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  background:rgba(15,181,166,.1);
  color:#0A8479;
  font-size:14.5px;
}
.form-feedback.show{display:block;}
@media (max-width:991.98px){ .cta-band{padding:64px 0;} .cta-grid{grid-template-columns:1fr;gap:32px;} }
@media (max-width:575.98px){ .cta-band{padding:52px 0;} .form-card{padding:24px;} }

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;
  padding:18px 4px 18px 0;
  cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink-900);
  list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary .fa-plus{
  flex:0 0 auto;
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-050);
  color:var(--brand-600);
  font-size:13px;
  transition:transform .24s ease,background-color .24s ease;
}
.faq-item[open] summary{color:var(--brand-700);}
.faq-item[open] summary .fa-plus{transform:rotate(180deg);background:var(--brand-100);}
.faq-body{
  padding:0 0 22px 16px;
  border-left:3px solid var(--brand-600);
  max-width:720px;
  color:var(--ink-700);
  font-size:16px;
}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.76);
  padding:72px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;
  margin-bottom:16px;
}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;}
.footer-title{
  font-size:15px;font-weight:600;color:var(--brand-100);
  margin-bottom:16px;
}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-contact li{
  font-size:14.5px;color:rgba(255,255,255,.74);
  display:flex;align-items:flex-start;gap:9px;
}
.footer-links a:hover{color:var(--brand-100);}
.footer-contact i{color:var(--brand-100);margin-top:6px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  padding-top:22px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.8);
  font-size:14px;
  transition:all .22s ease;
}
.footer-social a:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;transform:translateY(-2px);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .site-footer{padding:52px 0 22px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
  --brand-600:#1B5AD8;
  --brand-700:#1345A8;
  --brand-100:#DCE8FC;
  --brand-050:#EFF5FE;
  --accent-500:#FF7A33;
  --accent-050:#FFF1E8;
  --teal-500:#0FB5A6;
  --ink-900:#0E1A2B;
  --ink-700:#2A3A52;
  --ink-500:#5B6B82;
  --line:#E3E9F2;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(16,42,88,.06);
  --sh-2:0 14px 34px rgba(16,42,88,.12);
  --sh-3:0 24px 48px rgba(16,42,88,.16);
  --sec-y:104px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--page-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  margin:0;
  color:var(--ink-900);
  letter-spacing:-0.01em;
  font-weight:700;
  line-height:1.3;
}
p{margin:0 0 16px;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
img{max-width:100%;height:auto;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(27,90,216,.28);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* 通用区块 */
.section{padding:var(--sec-y) 0;}
.section-tint{background:var(--brand-050);}
.section-white{background:var(--surface);}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.sec-tag.warm{background:var(--accent-050);color:#B84A12;}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;}
.sec-head p{margin-top:12px;color:var(--ink-500);font-size:16px;line-height:1.8;}

/* 按钮 */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:all .22s ease;
  white-space:nowrap;
}
.btn-main{background:var(--brand-600);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-warm{background:var(--accent-500);color:#fff;}
.btn-warm:hover{background:#E9671F;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-line{background:#fff;color:var(--ink-900);border-color:var(--line);}
.btn-line:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-main:disabled,.btn-line:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 4px 20px rgba(16,42,88,.06);
  transition:height .24s ease,background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:84px;
  transition:height .24s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:var(--sh-2);
  border-bottom-color:var(--line);
}
.site-header.scrolled .nav-inner{height:64px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink-900);
  letter-spacing:.01em;flex-shrink:0;
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-600),#3B84F0);
  color:#fff;font-size:16px;
  box-shadow:0 6px 14px rgba(27,90,216,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;font-weight:500;color:var(--ink-700);
  border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand-600);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(220,232,252,.5);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-700);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);
  color:var(--ink-700);font-size:15px;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-100);box-shadow:var(--sh-1);}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  color:var(--ink-900);font-size:17px;
  display:none;align-items:center;justify-content:center;cursor:pointer;
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,26,43,.48);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:1060;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;z-index:1070;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  padding:22px 20px;
  box-shadow:var(--sh-3);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:var(--brand-050);
  border:none;color:var(--ink-900);font-size:16px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--r-sm);
  color:var(--ink-700);font-size:15.5px;font-weight:500;
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-700);}
.drawer-nav a.active{background:var(--brand-050);color:var(--brand-700);font-weight:600;}
.drawer-foot{margin-top:16px;}

/* 面包屑 */
.crumb-bar{padding:calc(84px + 22px) 0 0;background:var(--page-bg);}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--ink-500);
}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-700);}
.crumb span.sep{width:1px;height:12px;background:var(--line);display:inline-block;}
.crumb .now{color:var(--ink-900);font-weight:600;}

/* Hero */
.hero{
  position:relative;
  margin-top:18px;
  padding:56px 0 64px;
  background-image:linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.74) 46%,rgba(255,255,255,.35) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-0.015em;
}
.hero .lead{
  margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-700);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-050);
  color:var(--ink-700);
  font-size:13.5px;font-weight:500;
  padding:8px 15px;border-radius:var(--r-pill);
  border:1px solid rgba(27,90,216,.08);
}
.fact i{color:var(--brand-600);font-size:13px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  border:6px solid #fff;
}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-md);
  padding:14px 18px;
  box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:12px;
}
.hero-badge .num{font-size:26px;font-weight:800;color:var(--teal-500);line-height:1;}
.hero-badge .txt{font-size:13px;color:var(--ink-500);line-height:1.5;}

/* 数据条 */
.stats{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:36px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat .num{font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--teal-500);line-height:1.2;}
.stat .lbl{font-size:13.5px;color:var(--ink-500);margin-top:6px;}

/* 筛选行 */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.filter-btn{
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--ink-700);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .2s ease;
}
.filter-btn:hover{border-color:var(--brand-600);color:var(--brand-700);}
.filter-btn.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;box-shadow:0 8px 18px rgba(27,90,216,.22);}

/* 嘉宾卡 */
.guest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guest-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  height:100%;
}
.guest-card:hover,.guest-card:focus-within{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:var(--brand-100);
}
.guest-card .avatar{
  width:100%;aspect-ratio:1/1;overflow:hidden;border-radius:var(--r-md);
  background:var(--brand-050);margin-bottom:16px;
}
.guest-card .avatar img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.guest-card:hover .avatar img{transform:scale(1.04);}
.guest-card h3{font-size:19px;font-weight:600;}
.guest-card .role{font-size:13.5px;color:var(--ink-500);margin-top:4px;}
.guest-card .topic{font-size:14px;color:var(--ink-700);margin-top:12px;line-height:1.7;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:12.5px;font-weight:500;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--ink-700);
}
.tag.warm{background:var(--accent-050);color:#B84A12;}
.guest-card.is-hidden{display:none;}

/* 时间线 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-bottom:24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:10px;
  width:12px;height:12px;border-radius:50%;
  background:var(--accent-500);
  box-shadow:0 0 0 4px rgba(255,122,51,.16);
}
.tl-item.past::before{background:var(--line);box-shadow:0 0 0 4px rgba(227,233,242,.6);}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.tl-time{font-size:14px;font-weight:700;color:var(--brand-700);letter-spacing:.01em;}
.tl-title{font-size:18px;font-weight:600;margin-top:6px;color:var(--ink-900);}
.tl-desc{font-size:14.5px;color:var(--ink-500);margin-top:6px;}
.tl-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.badge-soft{
  font-size:12.5px;padding:4px 11px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-700);font-weight:500;
}
.badge-line{
  font-size:12.5px;padding:4px 11px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-500);font-weight:500;
}

/* 分区/议题 */
.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.zone-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.zone-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.zone-icon{
  width:48px;height:48px;border-radius:14px;
  background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:19px;
  margin-bottom:16px;
}
.zone-card h3{font-size:20px;}
.zone-card p{font-size:14.5px;color:var(--ink-500);margin-top:10px;margin-bottom:0;}
.zone-meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-500);display:flex;justify-content:space-between;gap:12px;
}

/* 到场须知 */
.notes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.note{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
}
.note-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:50%;
  background:var(--brand-600);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.note h4{font-size:16.5px;font-weight:600;}
.note p{font-size:14px;color:var(--ink-500);margin:6px 0 0;}

/* FAQ */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;min-height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;text-align:left;
  padding:16px 0 16px 0;
  font-size:17px;font-weight:600;color:var(--ink-900);
  cursor:pointer;position:relative;
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand-600);border-radius:3px;
  transform:scaleY(0);transform-origin:center;transition:transform .24s ease;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q i{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .28s ease,background .2s ease;
}
.faq-item.open .faq-q{color:var(--brand-700);padding-left:16px;}
.faq-item.open .faq-q::before{transform:scaleY(1);}
.faq-item.open .faq-q i{transform:rotate(180deg);background:var(--brand-600);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{max-width:720px;padding:2px 0 22px;color:var(--ink-700);font-size:15px;line-height:1.85;}
.faq-item.open .faq-a-inner{padding-left:16px;}

/* CTA 条 */
.cta-band{
  background:linear-gradient(120deg,#1653CC 0%,#1B5AD8 52%,#2F76E8 100%);
  border-radius:var(--r-lg);
  padding:44px 46px;
  color:#fff;
  display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,32px);}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:12px 0 0;max-width:440px;}
.cta-form{
  background:#fff;border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-900);margin-bottom:7px;}
.field label .req{color:var(--accent-500);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink-900);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:92px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(27,90,216,.16);
}
.field .hint{font-size:12.5px;color:var(--ink-500);margin-top:6px;}
.field.error input{border-color:#E0431C;box-shadow:0 0 0 3px rgba(224,67,28,.12);}
.form-tip{font-size:13px;color:var(--ink-500);margin-top:12px;}
.form-ok{
  display:none;margin-top:12px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(15,181,166,.1);color:#0A7F75;font-size:14px;border:1px solid rgba(15,181,166,.24);
}
.form-ok.show{display:block;}

/* 页脚 */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  margin-top:104px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-mark{box-shadow:none;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.footer-title{
  font-size:14px;font-weight:600;color:var(--brand-100);
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-links li{margin-bottom:11px;}
.footer-links a,.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--brand-100);}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--brand-100);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.8);font-size:14px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1199.98px){
  .guest-grid{grid-template-columns:repeat(3,1fr);}
  .hero-grid{gap:36px;}
}
@media (max-width:991.98px){
  :root{--sec-y:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-badge{left:14px;bottom:-18px;}
  .guest-grid{grid-template-columns:repeat(2,1fr);}
  .zone-grid{grid-template-columns:1fr 1fr;}
  .notes{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
}
@media (max-width:767.98px){
  .crumb-bar{padding-top:calc(64px + 18px);}
  .hero{padding:36px 0 56px;margin-top:12px;}
  .hero .lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-main,.hero-actions .btn-line{flex:1 1 160px;}
  .guest-grid{grid-template-columns:1fr;}
  .zone-grid{grid-template-columns:1fr;}
  .notes{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:17px;}
  .sec-head h2{font-size:22px;}
  .cta-band{padding:26px 20px;}
  .cta-form{padding:20px;}
  .tl-card{padding:16px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:7px;}
  .tl-item::before{left:-25px;}
  .stats-grid{grid-template-columns:1fr 1fr;}
}

/* roulang page: category4 */
:root{
  --brand-600:#1B5AD8;
  --brand-700:#1345A8;
  --brand-100:#DCE8FC;
  --brand-050:#EFF5FE;
  --accent-500:#FF7A33;
  --accent-050:#FFF1E8;
  --teal-500:#0FB5A6;
  --ink-900:#0E1A2B;
  --ink-700:#2A3A52;
  --ink-500:#5B6B82;
  --line:#E3E9F2;
  --page-bg:#F6F8FC;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(16,42,88,.06);
  --sh-2:0 14px 34px rgba(16,42,88,.12);
  --sh-3:0 24px 48px rgba(16,42,88,.16);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:72px;
  --sec:104px;
  --bs-primary:#1B5AD8;
  --bs-primary-rgb:27,90,216;
  --bs-body-color:#2A3A52;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E3E9F2;
  --bs-border-radius:16px;
  --bs-link-color:#1B5AD8;
  --bs-link-hover-color:#1345A8;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page-bg);
  color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;line-height:1.25;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(27,90,216,.28);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.section-head{max-width:760px;margin-bottom:var(--sp-4);}
.section-head h2{font-size:clamp(24px,2.6vw,36px);margin:14px 0 12px;}
.section-head p{color:var(--ink-500);font-size:16px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:84px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 6px 18px rgba(16,42,88,.06);
  transition:height .24s ease,background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.scrolled{
  height:64px;
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-2);
}
.nav-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand-600),#2E74E8);
  color:#fff;
  font-size:16px;
  box-shadow:0 8px 18px rgba(27,90,216,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s ease;
}
.nav-links a:hover,
.nav-links a.active{color:var(--brand-700);}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.9);
  color:var(--ink-700);
  transition:.22s ease;
}
.icon-btn:hover{
  color:var(--brand-700);
  border-color:var(--brand-100);
  box-shadow:var(--sh-1);
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--brand-600);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 10px 22px rgba(27,90,216,.24);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-main:hover{
  background:var(--brand-700);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-main:active{transform:translateY(1px);}
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  background:var(--accent-500);
  color:#fff;
  font-size:16px;
  font-weight:600;
  box-shadow:0 12px 26px rgba(255,122,51,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.04);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  font-size:15px;
  font-weight:600;
  transition:.22s ease;
}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);}
.nav-toggle{
  width:44px;height:44px;
  display:none;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  font-size:18px;
}

/* 移动抽屉 */
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(14,26,43,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:1035;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:158px 0 64px;
  overflow:hidden;
  background:var(--supply, #fff);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center right;
  opacity:.9;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 42%,rgba(246,248,252,.68) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--ink-500);
  margin-bottom:22px;
}
.breadcrumb-row a{color:var(--ink-500);}
.breadcrumb-row a:hover{color:var(--brand-700);}
.breadcrumb-row .sep{width:1px;height:12px;background:var(--line);display:inline-block;}
.breadcrumb-row .current{color:var(--ink-900);font-weight:600;}
.page-hero h1{
  font-size:clamp(28px,3.6vw,46px);
  font-weight:800;
  margin:16px 0 16px;
  max-width:820px;
}
.hero-sub{
  font-size:17px;
  color:var(--ink-500);
  max-width:660px;
  line-height:1.85;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:14px;
  font-weight:600;
}
.chip i{font-size:13px;}
.chip.accent{background:var(--accent-050);color:#C4511A;}
.hero-art{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-3);
  border:1px solid rgba(255,255,255,.8);
}
.hero-art img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-art .art-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  right:18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-md);
  padding:14px 16px;
  font-size:14px;
  color:var(--ink-700);
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-art .art-badge strong{color:var(--ink-900);font-size:15px;display:block;}
.hero-art .art-badge .dot{
  width:38px;height:38px;flex:none;
  border-radius:12px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:grid;place-items:center;
  font-size:15px;
}

/* ============ 快速入口 ============ */
.quick-nav{
  margin-top:-34px;
  position:relative;
  z-index:5;
}
.quick-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--sh-2);
}
.quick-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:var(--page-bg);
  color:var(--ink-900);
  font-weight:600;
  font-size:15px;
  transition:.24s ease;
}
.quick-item i{
  width:34px;height:34px;flex:none;
  border-radius:10px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:grid;place-items:center;
  font-size:14px;
}
.quick-item:hover{
  background:#fff;
  color:var(--brand-700);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.quick-item small{display:block;font-size:12px;font-weight:500;color:var(--ink-500);line-height:1.6;}

/* ============ FAQ ============ */
.faq-stack{display:flex;flex-direction:column;gap:38px;}
.faq-group-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  color:var(--brand-700);
  padding-bottom:8px;
}
.faq-group-title::before{
  content:"";
  width:4px;height:16px;
  border-radius:2px;
  background:var(--accent-500);
}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:6px 26px;
  box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:64px;
  padding:16px 0 16px 18px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  cursor:pointer;
  position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:2px;
  background:var(--brand-600);
  opacity:0;
  transition:opacity .22s ease;
}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item[open] summary{color:var(--brand-700);}
.faq-item[open] summary::before{opacity:1;}
.faq-sign{
  position:relative;
  width:28px;height:28px;flex:none;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--ink-700);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .22s ease,opacity .22s ease,background .22s ease;
}
.faq-sign::before{width:11px;height:2px;}
.faq-sign::after{width:2px;height:11px;}
.faq-item[open] .faq-sign{background:var(--brand-600);border-color:var(--brand-600);}
.faq-item[open] .faq-sign::before{background:#fff;}
.faq-item[open] .faq-sign::after{background:#fff;transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-body{
  max-width:720px;
  padding:0 42px 22px 18px;
  color:var(--ink-700);
  font-size:15.5px;
  line-height:1.9;
}
.faq-body strong{color:var(--ink-900);}
.faq-body .inline-link{font-weight:600;}

/* ============ 联系信息卡 ============ */
.sticky-col{position:sticky;top:96px;}
.contact-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-2);
}
.contact-card h3{font-size:20px;margin-bottom:6px;}
.contact-card .card-desc{font-size:14px;color:var(--ink-500);margin-bottom:20px;}
.contact-list{display:flex;flex-direction:column;gap:18px;}
.contact-row{display:flex;gap:14px;align-items:flex-start;}
.contact-ico{
  width:40px;height:40px;flex:none;
  border-radius:50%;
  background:var(--brand-600);
  color:#fff;
  display:grid;place-items:center;
  font-size:15px;
  box-shadow:0 8px 18px rgba(27,90,216,.24);
}
.contact-row .label{font-size:13px;color:var(--ink-500);}
.contact-row .value{font-size:15px;font-weight:600;color:var(--ink-900);word-break:break-all;}
.contact-row .value a{color:var(--ink-900);}
.contact-row .value a:hover{color:var(--brand-700);}
.contact-split{
  margin-top:22px;
  padding-top:20px;
  border-top:1px dashed var(--line);
}
.contact-split h4{font-size:14px;color:var(--brand-700);margin-bottom:12px;}
.contact-split li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--ink-700);
  padding:5px 0;
}
.contact-split li i{color:var(--teal-500);font-size:12px;margin-top:7px;}
.callout{
  margin-top:22px;
  border-radius:var(--r-md);
  background:var(--accent-050);
  padding:16px 18px;
  font-size:14px;
  color:#8A3D12;
  line-height:1.8;
}
.callout strong{color:#B04A14;}

/* ============ 服务承诺 ============ */
.promise-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.promise-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.promise-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.promise-card .num{
  font-size:30px;
  font-weight:800;
  color:var(--teal-500);
  line-height:1.1;
  letter-spacing:-.02em;
}
.promise-card h3{font-size:19px;margin:12px 0 10px;}
.promise-card p{font-size:15px;color:var(--ink-500);line-height:1.8;}

/* ============ 表单区 ============ */
.form-band{
  background:var(--brand-050);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.form-band .band-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:48px;
  align-items:start;
}
.form-copy h2{font-size:clamp(24px,2.6vw,34px);margin:14px 0 14px;}
.form-copy p{color:var(--ink-500);font-size:16px;}
.form-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.form-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-700);}
.form-points li i{
  margin-top:6px;
  color:var(--brand-600);
  font-size:13px;
}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh-3);
}
.form-card h3{font-size:20px;margin-bottom:4px;}
.form-card .hint{font-size:13.5px;color:var(--ink-500);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink-900);
  margin-bottom:8px;
}
.field .req{color:var(--accent-500);margin-left:2px;}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  font-size:15px;
  color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.75;}
.field input::placeholder,
.field textarea::placeholder{color:#9AA8BC;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(27,90,216,.16);
}
.field .tip{font-size:13px;color:var(--ink-500);margin-top:6px;}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px;}
.form-actions .note{font-size:13px;color:var(--ink-500);}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-600);
  border-radius:var(--r-lg);
  padding:48px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 24px 48px rgba(16,42,88,.18);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:300px;height:300px;
  border-radius:50%;
  background:rgba(255,255,255,.1);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,32px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);max-width:620px;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:2;}
.btn-on-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--brand-700);
  font-weight:600;
  font-size:15px;
  transition:.22s ease;
}
.btn-on-brand:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline-white{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.55);
  color:#fff;
  font-weight:600;
  font-size:15px;
  transition:.22s ease;
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:#B9C6D8;
  padding:72px 0 28px;
  margin-top:var(--sec);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.site-footer p{font-size:14.5px;line-height:1.9;color:#9FB0C6;max-width:360px;}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--brand-100);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#B9C6D8;font-size:14.5px;}
.footer-links a:hover{color:var(--brand-100);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:#B9C6D8;
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{color:var(--brand-100);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8FA1B8;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  color:#D6E1F0;
  transition:.22s ease;
}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sec:88px;}
  .nav-links{gap:20px;}
  .nav-links a{font-size:14.5px;}
}
@media (max-width:991.98px){
  :root{--sec:72px;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:min(86vw,340px);
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:2px;
    padding:96px 22px 32px;
    transform:translateX(100%);
    transition:transform .3s ease;
    box-shadow:var(--sh-3);
    z-index:1040;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{
    padding:15px 4px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--brand-700);}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:132px 0 52px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .promise-grid{grid-template-columns:1fr 1fr;}
  .form-band .band-grid{grid-template-columns:1fr;gap:32px;}
  .sticky-col{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:767.98px){
  :root{--sec:58px;}
  body{font-size:15.5px;}
  .page-hero{padding:118px 0 44px;}
  .page-hero .row{gap:26px;}
  .hero-art{max-width:420px;}
  .faq-list{padding:4px 18px;}
  .faq-item summary{font-size:16px;padding-left:14px;min-height:58px;}
  .faq-body{padding:0 0 20px 14px;}
  .promise-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}
@media (max-width:575.98px){
  :root{--sec:52px;}
  .quick-grid{grid-template-columns:1fr;}
  .quick-nav{margin-top:-24px;}
  .form-card{padding:24px 20px;}
  .cta-band{padding:30px 22px;}
  .btn-accent,.btn-ghost,.btn-main{width:100%;}
  .cta-actions .btn-on-brand,
  .cta-actions .btn-outline-white{width:100%;}
  .hero-chips .chip{font-size:13px;padding:8px 13px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}