/* roulang page: index */
:root{
  --c-primary:#1E4E8C;
  --c-primary-deep:#143563;
  --c-primary-hover:#163F73;
  --c-primary-light:#E8F0FA;
  --c-accent:#E9A13B;
  --c-accent-soft:#FDF3E3;
  --c-teal:#12A594;
  --c-teal-soft:#E4F6F3;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F4F7FB;
  --t1:#101C2E;
  --t2:#55637A;
  --t3:#8A96A8;
  --line:#E3E9F1;
  --danger:#D64545;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,28,46,.06);
  --shadow-2:0 10px 30px -12px rgba(16,28,46,.18);
  --shadow-3:0 20px 50px -20px rgba(16,28,46,.28);
  --sp:4px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  position:relative;flex-shrink:0;
  box-shadow:var(--shadow-1);
}
.logo-mark::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 68% 30%,#fff 1.6px,transparent 1.8px),
    radial-gradient(circle at 34% 62%,var(--c-accent) 1.8px,transparent 2px),
    radial-gradient(circle at 74% 72%,rgba(255,255,255,.8) 1.2px,transparent 1.4px),
    radial-gradient(circle at 30% 28%,rgba(255,255,255,.55) 1px,transparent 1.2px);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--t1);}
.logo-text span{font-size:11px;color:var(--t3);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 13px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--t2);font-weight:500;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{background:var(--c-primary-light);color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(0);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box input{
  width:0;opacity:0;padding:0;border:1px solid var(--line);border-radius:var(--r-pill);
  height:38px;transition:width .28s ease,opacity .2s ease,padding .28s ease;
  background:#fff;color:var(--t1);
}
.search-box.open input{width:180px;opacity:1;padding:0 14px;}
.search-box input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,78,140,.15);}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--t2);border:1px solid var(--line);background:#fff;
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(30,78,140,.35);background:var(--c-primary-light);}
.icon-btn:active{transform:translateY(1px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .18s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);transform:translateY(-1px);}
.btn-gold{background:var(--c-accent);color:#4A2E07;box-shadow:var(--shadow-1);}
.btn-gold:hover{background:#D8902C;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.menu-toggle{display:none;}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:120;
  background:#fff;box-shadow:var(--shadow-3);
  transform:translateX(105%);transition:transform .3s ease;
  padding:20px;overflow-y:auto;
  display:flex;flex-direction:column;gap:6px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15.5px;color:var(--t1);font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{background:var(--c-primary-light);color:var(--c-primary);border-bottom-color:transparent;}
.drawer .btn{margin-top:16px;}
.overlay{
  position:fixed;inset:0;background:rgba(16,28,46,.42);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.overlay.open{opacity:1;visibility:visible;}

/* ============ 首屏 ============ */
.hero{
  position:relative;
  padding:132px 0 84px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(244,247,251,.93) 62%,rgba(255,255,255,.98) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:520px;height:520px;
  border-radius:50%;border:1px solid rgba(30,78,140,.12);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:60px;left:-80px;width:280px;height:280px;
  border-radius:50%;border:1px dashed rgba(233,161,59,.28);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(30,78,140,.08);border:1px solid rgba(30,78,140,.16);
  color:var(--c-primary);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-teal);display:inline-block;}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.22;letter-spacing:-.02em;color:var(--t1);
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{
  font-size:17px;color:var(--t2);max-width:520px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--t2);
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.trust-item svg{width:14px;height:14px;color:var(--c-teal);flex-shrink:0;}
.hero-visual{position:relative;}
.visual-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-3);
  aspect-ratio:16/11;background:var(--c-primary-light);
}
.visual-frame img{width:100%;height:100%;object-fit:cover;}
.visual-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,53,99,0) 42%,rgba(20,53,99,.5) 100%);
}
.float-card{
  position:absolute;background:#fff;border-radius:var(--r-card);
  box-shadow:var(--shadow-2);border:1px solid var(--line);
  padding:14px 18px;display:flex;align-items:center;gap:12px;
  z-index:3;
}
.float-card .fc-num{font-size:22px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1;}
.float-card .fc-txt{font-size:12.5px;color:var(--t2);line-height:1.5;}
.float-a{left:-22px;bottom:56px;}
.float-b{right:-16px;top:36px;}
.float-card .dot{width:34px;height:34px;border-radius:10px;background:var(--c-accent-soft);display:flex;align-items:center;justify-content:center;color:var(--c-accent);flex-shrink:0;}
.float-card .dot.teal{background:var(--c-teal-soft);color:var(--c-teal);}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-soft{background:var(--c-bg-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--c-primary);background:var(--c-primary-light);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;text-transform:uppercase;
}
.section-title{font-size:clamp(24px,2.6vw,34px);color:var(--t1);margin-bottom:14px;}
.section-desc{font-size:16px;color:var(--t2);}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:42px;flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0;}

/* ============ 卖点错位栅格 ============ */
.feature-grid{
  display:grid;grid-template-columns:1.25fr .75fr;gap:22px;
}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.feature-card h3{font-size:20px;margin-bottom:12px;color:var(--t1);}
.feature-card p{font-size:15px;color:var(--t2);}
.feature-main{
  grid-row:span 2;justify-content:space-between;
  background:linear-gradient(160deg,#fff 0%,#F7FAFE 100%);
}
.feature-main .fm-cover{
  border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;margin-bottom:24px;background:var(--c-primary-light);
}
.feature-main .fm-cover img{width:100%;height:100%;object-fit:cover;}
.feature-side-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.feature-side-list li{
  display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:var(--t2);
}
.feature-side-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  margin-top:9px;flex-shrink:0;
}
.icon-badge{
  width:44px;height:44px;border-radius:12px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.icon-badge.gold{background:var(--c-accent-soft);color:var(--c-accent);}
.icon-badge.teal{background:var(--c-teal-soft);color:var(--c-teal);}

/* ============ 场景图文交替 ============ */
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:38px 0;
}
.split-row + .split-row{border-top:1px solid var(--line);}
.split-row.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;
  box-shadow:var(--shadow-2);background:var(--c-primary-light);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .tag-on-image{
  position:absolute;left:18px;top:18px;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
}
.split-body h3{font-size:24px;margin-bottom:14px;}
.split-body p{color:var(--t2);font-size:15.5px;margin-bottom:20px;}
.step-list{display:flex;flex-direction:column;gap:14px;}
.step-item{display:flex;gap:14px;align-items:flex-start;}
.step-num{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-item .st-text b{display:block;font-size:15px;color:var(--t1);margin-bottom:2px;}
.step-item .st-text span{font-size:14px;color:var(--t2);}

/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.cat-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-light);}
.cat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-cover img{transform:scale(1.05);}
.cat-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cat-body h3{font-size:18px;color:var(--t1);}
.cat-body p{font-size:14px;color:var(--t2);flex:1;}
.cat-link{font-size:13.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.cat-link svg{width:14px;height:14px;transition:transform .24s ease;}
.cat-card:hover .cat-link svg{transform:translateX(4px);}
.badge{
  display:inline-block;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);
}
.badge-teal{background:var(--c-teal-soft);color:#0B7C70;}
.badge-gold{background:var(--c-accent-soft);color:#8A5A10;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.news-cover{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-light);}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-cover.placeholder{
  background:
    radial-gradient(circle at 78% 26%,rgba(233,161,59,.5) 2px,transparent 2.4px),
    radial-gradient(circle at 22% 68%,rgba(255,255,255,.85) 2px,transparent 2.4px),
    linear-gradient(140deg,#E8F0FA,#D8E6F7);
  position:relative;
}
.news-cover.placeholder::after{
  content:"";position:absolute;left:-20%;top:50%;width:140%;height:1px;
  background:rgba(30,78,140,.28);transform:rotate(-16deg);
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.45;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:4px;}
.news-meta time{font-size:13px;color:var(--t3);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:58px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state .es-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:18px;}

/* ============ 数据带 & 引用 ============ */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-bottom:52px;
}
.stat-item{text-align:center;}
.stat-num{
  font-size:clamp(32px,3.4vw,46px);font-weight:700;color:var(--c-primary);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px;color:var(--c-accent);}
.stat-label{font-size:13.5px;color:var(--t2);margin-top:6px;}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.quote-card:nth-child(2){margin-top:28px;}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.quote-card p{font-size:15.5px;color:var(--t1);margin-bottom:18px;position:relative;padding-left:18px;}
.quote-card p::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--c-accent);border-radius:3px;
}
.quote-who{display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.quote-who b{display:block;font-size:14px;color:var(--t1);}
.quote-who span{font-size:12.5px;color:var(--t3);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 4px;font-size:17px;font-weight:600;color:var(--t1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q .plus{
  width:24px;height:24px;flex-shrink:0;position:relative;
  transition:transform .28s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  left:50%;top:50%;
}
.faq-q .plus::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-q .plus::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-item.open .faq-q{color:var(--c-primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s ease,padding .3s ease;
}
.faq-item.open .faq-a{max-height:420px;padding-bottom:22px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--t2);padding-right:40px;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(130deg,var(--c-primary-deep) 0%,var(--c-primary) 62%,#2A5F9E 100%);
  padding:58px 56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  box-shadow:var(--shadow-3);
}
.cta-panel::before{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;
  border-radius:50%;border:1px solid rgba(255,255,255,.16);
}
.cta-panel::after{
  content:"";position:absolute;left:32%;bottom:-90px;width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(233,161,59,.34) 2px,transparent 3px),
             radial-gradient(circle at 62% 58%,rgba(255,255,255,.4) 1.6px,transparent 2.2px),
             radial-gradient(circle at 78% 26%,rgba(255,255,255,.3) 1.4px,transparent 2px);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;color:#fff;}
.cta-copy p{font-size:15.5px;color:rgba(255,255,255,.82);}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}

/* ============ 底栏提示 ============ */
.tip-strip{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--c-primary-light);border:1px solid rgba(30,78,140,.14);
  border-radius:var(--r-card);padding:18px 24px;margin-top:36px;
}
.tip-strip svg{width:20px;height:20px;color:var(--c-primary);flex-shrink:0;}
.tip-strip p{font-size:14.5px;color:var(--t2);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--c-primary-deep);color:rgba(255,255,255,.78);
  padding:64px 0 0;margin-top:0;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 22%,rgba(255,255,255,.34) 1.4px,transparent 2px),
    radial-gradient(circle at 32% 68%,rgba(233,161,59,.5) 1.6px,transparent 2.2px),
    radial-gradient(circle at 58% 18%,rgba(255,255,255,.24) 1.2px,transparent 1.8px),
    radial-gradient(circle at 78% 52%,rgba(255,255,255,.3) 1.4px,transparent 2px),
    radial-gradient(circle at 92% 82%,rgba(18,165,148,.5) 1.6px,transparent 2.2px);
  opacity:.5;pointer-events:none;
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;
}
.footer-col h4{
  font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.04em;font-weight:600;
}
.footer-col p{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand b{font-size:16px;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:13.8px;color:rgba(255,255,255,.72);
  transition:color .2s ease,padding-left .2s ease;
  display:inline-block;
}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact li{font-size:13.8px;color:rgba(255,255,255,.72);margin-bottom:12px;display:flex;gap:9px;align-items:flex-start;}
.footer-contact svg{width:15px;height:15px;color:var(--c-accent);flex-shrink:0;margin-top:4px;}
.footer-bottom{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 96px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom nav a:hover{color:#fff;}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:56px;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);box-shadow:var(--shadow-2);
  display:flex;align-items:center;
  transform:translateY(110%);transition:transform .32s ease;
  backdrop-filter:blur(8px);
}
.sticky-bar.show{transform:translateY(0);}
.sticky-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-inner span{font-size:14px;color:var(--t2);font-weight:500;}
.sticky-inner span b{color:var(--c-primary);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 22px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .hero-inner{gap:40px;}
}
@media (max-width:1023px){
  .container{width:96%;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .search-box.open input{width:140px;}
  .hero{padding:112px 0 68px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-visual{max-width:620px;}
  .float-a{left:8px;bottom:16px;}
  .float-b{right:8px;top:16px;}
  .section{padding:72px 0;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{grid-row:auto;}
  .split-row{grid-template-columns:1fr;gap:30px;padding:30px 0;}
  .split-row.reverse .split-media{order:0;}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:26px 18px;}
  .quote-grid{grid-template-columns:1fr;}
  .quote-card:nth-child(2){margin-top:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-panel{padding:44px 34px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .header-inner{height:56px;}
  .logo-text b{font-size:15px;}
  .logo-text span{display:none;}
  .hero{padding:96px 0 56px;}
  .hero h1{font-size:clamp(26px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;min-width:150px;}
  .trust-item{font-size:12.5px;padding:6px 12px;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .feature-card{padding:24px;}
  .cat-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:repeat(2,1fr);}
  .faq-q{font-size:16px;padding:18px 2px;}
  .faq-a p{padding-right:16px;}
  .cta-panel{padding:34px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:88px;}
  .sticky-inner{padding:0 16px;gap:12px;}
  .sticky-inner span{font-size:13px;}
  .sticky-inner .btn{height:38px;padding:0 16px;font-size:14px;}
}
@media (max-width:520px){
  .float-card{padding:10px 12px;gap:9px;}
  .float-card .fc-num{font-size:18px;}
  .float-card .fc-txt{font-size:11.5px;}
  .float-a{bottom:8px;}
  .float-b{top:8px;}
  .stats-band{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:30px;}
}

/* roulang page: article */
:root{
  --c-primary:#1E4E8C;
  --c-primary-dark:#163F73;
  --c-primary-deep:#143563;
  --c-primary-light:#E8F0FA;
  --c-accent:#E9A13B;
  --c-accent-light:#FDF2DF;
  --c-teal:#12A594;
  --c-teal-light:#E3F6F3;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F4F7FB;
  --t-1:#101C2E;
  --t-2:#55637A;
  --t-3:#8A96A8;
  --border:#E3E9F1;
  --border-strong:rgba(30,78,140,.28);
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-p:999px;
  --shadow-1:0 1px 2px rgba(16,28,46,.06);
  --shadow-2:0 10px 30px -12px rgba(16,28,46,.18);
  --shadow-3:0 20px 50px -20px rgba(16,28,46,.28);
  --danger:#D64545;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--c-bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.section-head p{margin-top:12px;color:var(--t-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-light);border-radius:var(--r-p);padding:5px 14px;margin-bottom:16px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(30,78,140,.35)}
.btn-ghost:hover{background:var(--c-primary-light);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-gold{background:var(--c-accent);color:#3A2607;box-shadow:0 6px 18px -8px rgba(233,161,59,.9)}
.btn-gold:hover{background:#D98F26;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-gold:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-p);font-size:12px;font-weight:600;background:var(--c-primary-light);color:var(--c-primary)}
.badge--gold{background:var(--c-accent-light);color:#8A5A12}
.badge--teal{background:var(--c-teal-light);color:#0B7D71}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{position:relative;width:34px;height:34px;border-radius:11px;background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1)}
.logo-mark::before{content:"";position:absolute;inset:6px;border:1.4px solid rgba(255,255,255,.55);border-radius:50%;border-top-color:transparent;border-right-color:transparent;transform:rotate(-30deg)}
.logo-mark::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 2px rgba(233,161,59,.25)}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary-deep)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex-wrap:wrap}
.nav-link{position:relative;display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:var(--r-p);font-size:15px;font-weight:500;color:var(--t-2);transition:color .2s ease,background-color .2s ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-light);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:12px;width:16px;height:16px;color:var(--t-3);pointer-events:none}
.search-box input{height:38px;width:190px;padding:0 14px 0 34px;border:1px solid var(--border);border-radius:var(--r-p);background:var(--c-bg-alt);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.search-box input::placeholder{color:var(--t-3)}
.search-box input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,78,140,.15)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:12px;background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-primary-deep);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{display:none;border-top:1px solid var(--border);background:#fff;padding:12px 24px 22px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .nav-link{display:block;height:auto;line-height:52px;padding:0 12px;border-radius:var(--r-s)}
.mobile-drawer .btn{margin-top:12px}

/* ---------- 页面横幅 ---------- */
.page-hero{position:relative;background:var(--c-primary-deep);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.28}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,53,99,.94) 0%,rgba(20,53,99,.72) 52%,rgba(18,165,148,.28) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:128px;padding-bottom:56px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.82);transition:color .2s ease}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb span.sep{opacity:.55}
.article-title{font-size:clamp(26px,3.2vw,40px);font-weight:700;line-height:1.32;letter-spacing:-.01em;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.78)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45)}
.article-meta .badge{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(4px)}

/* ---------- 文章主体 ---------- */
.article-main{padding:64px 0 88px;background:var(--c-bg)}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center}
.article-body{font-size:17px;line-height:1.85;color:#243349}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin-top:1.2em}
.article-body h2{position:relative;font-size:24px;font-weight:700;line-height:1.4;color:var(--t-1);padding-left:16px;margin-top:2.2em;letter-spacing:-.01em}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;width:3px;height:1.05em;border-radius:3px;background:var(--c-accent)}
.article-body h3{position:relative;font-size:19px;font-weight:700;line-height:1.5;color:var(--t-1);padding-left:16px;margin-top:1.8em}
.article-body h3::before{content:"";position:absolute;left:0;top:.36em;width:3px;height:.95em;border-radius:3px;background:var(--c-primary)}
.article-body ul,.article-body ol{margin-top:1.2em;padding-left:2px}
.article-body li{position:relative;padding-left:22px;margin-top:.7em;color:#2C3B52}
.article-body ul > li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-teal);box-shadow:0 0 0 3px rgba(18,165,148,.14)}
.article-body ol{counter-reset:cmsli}
.article-body ol > li{counter-increment:cmsli}
.article-body ol > li::before{content:counter(cmsli);position:absolute;left:0;top:.28em;width:16px;height:16px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1}
.article-body blockquote{margin:1.8em 0;padding:20px 24px;background:var(--c-bg-alt);border-left:3px solid var(--c-primary);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--t-2);font-size:16px}
.article-body img{margin:1.8em auto;border-radius:var(--r-m);box-shadow:var(--shadow-1)}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(30,78,140,.3);transition:border-color .2s ease,color .2s ease}
.article-body a:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark)}
.article-body code{background:var(--c-bg-alt);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body pre{background:#0F2547;color:#DCE7F5;padding:20px 22px;border-radius:var(--r-m);overflow-x:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:none;border:0;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin-top:1.4em}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-bg-alt);font-weight:600;color:var(--t-1)}

/* 正文侧栏 */
.article-aside{display:flex;flex-direction:column;gap:20px;align-self:start;position:sticky;top:88px}
.aside-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-m);padding:22px;box-shadow:var(--shadow-1)}
.aside-card h3{font-size:16px;font-weight:700;margin-bottom:14px}
.aside-list li + li{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}
.aside-list a{font-size:14px;color:var(--t-2);display:block;line-height:1.6;transition:color .2s ease}
.aside-list a:hover{color:var(--c-primary)}
.aside-tip{background:linear-gradient(160deg,var(--c-primary-deep),#1B4481);color:#fff;border:0}
.aside-tip h3{color:#fff}
.aside-tip p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.75}
.aside-tip .btn{margin-top:16px}

/* 文章标签 */
.tag-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--border)}
.tag-bar .label{font-size:13px;color:var(--t-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-p);background:var(--c-bg-alt);border:1px solid var(--border);font-size:13px;color:var(--t-2);transition:all .2s ease}
.tag:hover{background:var(--c-primary-light);border-color:var(--border-strong);color:var(--c-primary)}

/* 空态 */
.empty-state{text-align:center;padding:72px 24px;border:1px dashed var(--border);border-radius:var(--r-l);background:var(--c-bg-alt)}
.empty-state .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--c-primary)}
.empty-state h2{font-size:20px;font-weight:700}
.empty-state p{margin-top:10px;color:var(--t-2);font-size:15px}
.empty-state .btn{margin-top:22px}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--border-strong)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(30,78,140,.08)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:18px 20px 22px}
.related-card h3{font-size:17px;font-weight:600;line-height:1.5}
.related-card p{margin-top:8px;font-size:14px;color:var(--t-2);line-height:1.7}
.related-card .meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--t-3)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-primary-deep);color:#fff;border-radius:var(--r-l);padding:56px 48px;box-shadow:var(--shadow-3)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.24}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;border:1px solid rgba(255,255,255,.2)}
.cta-band .inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.3vw,30px);font-weight:700;line-height:1.4;max-width:640px}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.8);max-width:620px}
.cta-band .acts{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;font-size:17px;font-weight:600;color:var(--t-1);transition:color .2s ease}
.faq-q:hover{color:var(--c-primary)}
.faq-q .plus{position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--c-primary-light)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;transform:translate(-50%,-50%)}
.faq-q .plus::before{width:10px;height:2px}
.faq-q .plus::after{width:2px;height:10px;transition:transform .25s ease}
.faq-item.is-open .faq-q .plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 40px 22px 0;font-size:15px;line-height:1.8;color:var(--t-2)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:72px 0 104px;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.3) 1px,transparent 1px);background-size:34px 34px;opacity:.3}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:17px;color:#fff;font-weight:700;letter-spacing:-.01em}
.footer-brand .logo-mark{background:rgba(255,255,255,.14)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--c-accent)}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.6);transition:color .2s ease}
.footer-bottom nav a:hover{color:#fff}

/* ---------- 底部转化条 ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);border-top:1px solid var(--border);box-shadow:var(--shadow-2);transform:translateY(110%);transition:transform .3s ease;padding:8px 0;min-height:56px}
.sticky-bar.is-visible{transform:translateY(0)}
.sticky-bar .inner{display:flex;align-items:center;gap:20px;justify-content:space-between;min-height:40px}
.sticky-bar p{font-size:14px;color:var(--t-2);display:flex;align-items:center;gap:10px}
.sticky-bar p strong{color:var(--c-primary-deep);font-weight:600}
.sticky-bar .pulse{width:8px;height:8px;border-radius:50%;background:var(--c-teal);box-shadow:0 0 0 4px rgba(18,165,148,.16)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;justify-content:stretch}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-card{flex:1 1 300px}
  .search-box input{width:150px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links,.search-box{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:56px;gap:12px}
  .page-hero .container{padding-top:96px;padding-bottom:44px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .article-main{padding:48px 0 72px}
  .cta-band{padding:44px 32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
  .cta-band .acts{width:100%}
  .cta-band .acts .btn{width:100%}
  .sticky-bar p{display:none}
  .sticky-bar .inner{justify-content:center}
  .sticky-bar .btn{width:100%}
  .article-aside{flex-direction:column}
  .header-actions .btn{display:none}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .article-title{font-size:23px}
  .faq-q{font-size:16px}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E4E8C;
  --c-primary-dark:#143563;
  --c-primary-deep:#163F73;
  --c-primary-soft:#E8F0FA;
  --c-accent:#E9A13B;
  --c-accent-soft:#FDF3E3;
  --c-teal:#12A594;
  --c-teal-soft:#E4F6F4;
  --bg:#FFFFFF;
  --bg-alt:#F4F7FB;
  --t1:#101C2E;
  --t2:#55637A;
  --t3:#8A96A8;
  --border:#E3E9F1;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-p:999px;
  --shadow-1:0 1px 2px rgba(16,28,46,.06);
  --shadow-2:0 10px 30px -12px rgba(16,28,46,.18);
  --shadow-3:0 20px 50px -20px rgba(16,28,46,.28);
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.3;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-tight{padding:72px 0;}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--border);box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  position:relative;overflow:hidden;
  box-shadow:0 6px 16px -8px rgba(30,78,140,.85);
}
.logo-mark::before{
  content:"";position:absolute;inset:8px;
  border:1.6px solid rgba(255,255,255,.55);
  border-radius:50%;
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-25deg);
}
.logo-mark::after{
  content:"";position:absolute;
  width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
  top:9px;right:9px;
  box-shadow:0 0 0 3px rgba(233,161,59,.22);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  border-radius:var(--r-p);
  font-size:15px;
  color:var(--t2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);font-weight:600;}
.nav-link.is-active::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--r-p);
  background:var(--bg-alt);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(30,78,140,.12);}
.nav-search svg{width:16px;height:16px;color:var(--t3);flex-shrink:0;}
.nav-search input{width:118px;border:0;background:transparent;outline:none;font-size:14px;}
.nav-search input::placeholder{color:var(--t3);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--border);background:#fff;
  padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;
  background:var(--c-primary);transition:var(--ease);
}
.nav-toggle span:nth-child(1){top:13px;}
.nav-toggle span:nth-child(2){top:19px;}
.nav-toggle span:nth-child(3){top:25px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;z-index:98;background:rgba(16,28,46,.45);
  opacity:0;visibility:hidden;transition:var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:99;
  width:300px;max-width:86vw;
  background:#fff;box-shadow:var(--shadow-3);
  transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  padding:26px 22px;
  overflow-y:auto;
  display:flex;flex-direction:column;gap:6px;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer h3{font-size:13px;letter-spacing:.14em;color:var(--t3);font-weight:600;margin:6px 0 10px;}
.nav-drawer a.drawer-link{
  display:block;line-height:52px;padding:0 12px;border-radius:var(--r-s);
  font-size:16px;color:var(--t1);border-bottom:1px solid var(--border);
}
.nav-drawer a.drawer-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:20px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  border-radius:var(--r-p);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -12px rgba(30,78,140,.9);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#3A2708;box-shadow:0 10px 24px -12px rgba(233,161,59,.95);}
.btn-accent:hover{background:#D9902A;color:#2C1D05;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.26);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:var(--r-p);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-accent{background:var(--c-accent-soft);color:#8A5A11;}
.badge-teal{background:var(--c-teal-soft);color:#0B7A6D;}

/* ===== 内页首屏 ===== */
.page-hero{position:relative;overflow:hidden;padding:146px 0 76px;background:var(--c-primary-dark);}
.page-hero .hero-bg{position:absolute;inset:0;}
.page-hero .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(20,53,99,.96) 0%,rgba(20,53,99,.82) 46%,rgba(30,78,140,.62) 100%);
}
.page-hero-inner{position:relative;max-width:820px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:#FFD79B;margin-bottom:16px;
}
.hero-kicker::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  color:#fff;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:38px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-facts li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.86);}
.hero-facts li svg{width:17px;height:17px;color:var(--c-accent);flex-shrink:0;}

/* ===== 板块标题 ===== */
.section-head{max-width:720px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,32px);margin:16px 0 14px;}
.section-head p{color:var(--t2);font-size:16px;}

/* ===== 目录 + 图文横排列表 ===== */
.catalog-layout{display:grid;grid-template-columns:258px 1fr;gap:34px;align-items:start;}
.catalog-side{
  position:sticky;top:88px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:22px 20px;box-shadow:var(--shadow-1);
}
.catalog-side h3{font-size:15px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border);}
.catalog-side ul{display:flex;flex-direction:column;gap:2px;}
.catalog-side a{
  display:block;padding:9px 12px;border-radius:var(--r-s);
  font-size:14px;color:var(--t2);
  transition:background var(--ease),color var(--ease);
}
.catalog-side a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-note{
  margin-top:18px;padding:14px 14px;
  background:var(--bg-alt);border-radius:var(--r-s);
  font-size:13px;color:var(--t2);line-height:1.7;
}
.media-row{
  display:grid;grid-template-columns:240px 1fr;gap:22px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:18px;box-shadow:var(--shadow-1);
  margin-bottom:18px;scroll-margin-top:96px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.media-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.media-thumb{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:240/150;background:var(--bg-alt);}
.media-thumb img{width:100%;height:100%;object-fit:cover;}
.media-thumb .num{
  position:absolute;left:10px;top:10px;
  min-width:28px;height:28px;padding:0 8px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-p);
  background:rgba(20,53,99,.86);color:#fff;
  font-size:13px;font-weight:700;
}
.media-body h3{font-size:19px;margin-bottom:10px;}
.media-body p{font-size:14.5px;color:var(--t2);line-height:1.8;margin-bottom:12px;}
.media-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}

/* ===== 错位卡片 ===== */
.spotlight{display:grid;grid-template-columns:1.1fr .9fr;grid-template-rows:repeat(2,minmax(0,1fr));gap:22px;}
.spot-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.spot-card.big{grid-row:span 2;padding:0;overflow:hidden;gap:0;}
.spot-card.big .spot-media{aspect-ratio:16/10;overflow:hidden;}
.spot-card.big .spot-media img{width:100%;height:100%;object-fit:cover;}
.spot-card.big .spot-text{padding:26px;}
.spot-card h3{font-size:20px;}
.spot-card p{font-size:14.5px;color:var(--t2);line-height:1.8;}
.spot-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.spot-icon svg{width:22px;height:22px;}

/* ===== 准备步骤时间线 ===== */
.prep-list{display:flex;flex-direction:column;gap:0;max-width:860px;margin:0 auto;}
.prep-item{display:grid;grid-template-columns:56px 1fr;gap:20px;position:relative;padding-bottom:34px;}
.prep-item:last-child{padding-bottom:0;}
.prep-item::before{
  content:"";position:absolute;left:27px;top:56px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--c-primary-soft),rgba(232,240,250,.2));
}
.prep-item:last-child::before{display:none;}
.prep-num{
  width:56px;height:56px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;
  box-shadow:0 6px 18px -10px rgba(30,78,140,.9);
}
.prep-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.prep-card h3{font-size:18px;margin-bottom:8px;}
.prep-card p{font-size:14.5px;color:var(--t2);line-height:1.8;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-m);padding:8px 26px;box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);
}
.faq-q:hover{color:var(--c-primary);}
.faq-plus{
  position:relative;width:22px;height:22px;flex-shrink:0;
  transition:transform var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:14px;height:2px;}
.faq-plus::after{width:2px;height:14px;}
.faq-item.is-open .faq-plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 46px 22px 0;font-size:15px;color:var(--t2);line-height:1.85;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-l);
  padding:52px 46px;
  background:linear-gradient(115deg,var(--c-primary-dark) 0%,var(--c-primary) 100%);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 0 0 40px rgba(255,255,255,.05);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;position:relative;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:560px;position:relative;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:76px 0 96px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.3) 1px,transparent 1px);
  background-size:34px 34px;opacity:.35;pointer-events:none;
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{color:#fff;font-size:16.5px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-links{display:flex;flex-direction:column;gap:2px;}
.footer-links a{font-size:14px;line-height:2.1;color:rgba(255,255,255,.72);transition:color var(--ease),padding-left var(--ease);}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--c-accent);}
.footer-bottom{
  position:relative;margin-top:46px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:#fff;}

/* ===== 底部固定转化条 ===== */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  min-height:56px;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
  box-shadow:var(--shadow-2);
  transform:translateY(110%);
  opacity:0;
  transition:transform .3s ease,opacity .3s ease;
}
.sticky-bar.is-visible{transform:translateY(0);opacity:1;}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;padding-top:8px;padding-bottom:8px;}
.sticky-inner p{font-size:14.5px;color:var(--t2);}
.sticky-inner p b{color:var(--t1);}

@media (max-width:1199px){
  .nav-search input{width:92px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-col:nth-child(4){grid-column:span 3;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:block;}
  .catalog-layout{grid-template-columns:1fr;gap:24px;}
  .catalog-side{position:static;}
  .catalog-side ul{flex-direction:row;flex-wrap:wrap;}
  .catalog-side a{padding:7px 12px;border:1px solid var(--border);}
  .spotlight{grid-template-columns:1fr;grid-template-rows:auto;}
  .spot-card.big{grid-row:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col:nth-child(4){grid-column:span 2;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-hero{padding:120px 0 56px;}
  .header-inner{height:56px;}
  .brand-text{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .media-row{grid-template-columns:1fr;gap:16px;}
  .media-thumb{aspect-ratio:16/10;}
  .prep-item{grid-template-columns:46px 1fr;gap:14px;}
  .prep-num{width:46px;height:46px;font-size:16px;}
  .prep-item::before{left:22px;top:46px;}
  .cta-band{padding:34px 22px;border-radius:var(--r-m);}
  .cta-band .cta-actions .btn{width:100%;}
  .site-footer{padding:56px 0 118px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-col:nth-child(4){grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-bar{transform:translateY(0);opacity:1;}
  .sticky-inner p{font-size:13.5px;}
  .sticky-inner .btn{flex-shrink:0;}
  .faq-wrap{padding:6px 18px;}
  .faq-a p{padding-right:12px;}
}
@media (max-width:519px){
  .hero-facts{flex-direction:column;gap:10px;}
  .sticky-inner p{display:none;}
  .sticky-inner{justify-content:center;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E4E8C;
  --c-primary-deep:#143563;
  --c-primary-dark:#163F73;
  --c-primary-soft:#E8F0FA;
  --c-accent:#E9A13B;
  --c-accent-soft:#FCF2E1;
  --c-accent-deep:#8A5A12;
  --c-teal:#12A594;
  --c-teal-soft:#E4F6F3;
  --c-danger:#D64545;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F4F7FB;
  --t-1:#101C2E;
  --t-2:#55637A;
  --t-3:#8A96A8;
  --border:#E3E9F1;
  --r-xs:8px;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,28,46,.06);
  --shadow-2:0 10px 30px -12px rgba(16,28,46,.18);
  --shadow-3:0 20px 50px -20px rgba(16,28,46,.28);
  --container:1200px;
  --nav-h:64px;
  --gap:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--c-bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--t-1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:120;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-1);
}
.nav-inner{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  position:relative;flex-shrink:0;
  box-shadow:0 6px 16px -8px rgba(20,53,99,.9);
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:15px;height:15px;
  transform:translate(-50%,-50%);
  background:
    radial-gradient(circle at 50% 0%,#fff 1.6px,transparent 2px),
    radial-gradient(circle at 100% 55%,var(--c-accent) 2px,transparent 2.5px),
    radial-gradient(circle at 12% 82%,#fff 1.4px,transparent 1.8px),
    radial-gradient(circle at 50% 50%,rgba(255,255,255,.9) 3.2px,transparent 3.8px);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:-.02em;color:#fff;transition:color .28s ease;}
.brand-text span{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.62);transition:color .28s ease;}
.site-header.is-scrolled .brand-text b{color:var(--t-1);}
.site-header.is-scrolled .brand-text span{color:var(--t-3);}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.86);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:hover{color:#fff;}
.site-header.is-scrolled .nav-link{color:var(--t-2);}
.site-header.is-scrolled .nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-weight:600;
}
.site-header:not(.is-scrolled) .nav-link.is-active{
  background:rgba(255,255,255,.18);
  color:#fff;
}
.nav-link.is-active::after{display:none;}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:20px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  border:1px solid rgba(255,255,255,.34);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.search-box svg{width:15px;height:15px;color:rgba(255,255,255,.72);flex-shrink:0;transition:color .28s ease;}
.search-box input{
  width:112px;border:0;background:transparent;outline:none;
  font-size:14px;color:#fff;
}
.search-box input::placeholder{color:rgba(255,255,255,.6);}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(233,161,59,.24);}
.site-header.is-scrolled .search-box{border-color:var(--border);background:var(--c-bg-alt);}
.site-header.is-scrolled .search-box svg{color:var(--t-3);}
.site-header.is-scrolled .search-box input{color:var(--t-1);}
.site-header.is-scrolled .search-box input::placeholder{color:var(--t-3);}

.hamburger{
  display:none;
  width:42px;height:42px;border-radius:12px;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.site-header.is-scrolled .hamburger{color:var(--c-primary);border-color:var(--border);background:var(--c-bg-alt);}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(30,78,140,.42);}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-gold{background:var(--c-accent);color:#3C2708;box-shadow:0 10px 24px -12px rgba(233,161,59,.9);}
.btn-gold:hover{background:#D8922C;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}

/* ============ 通用标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.badge-gold{background:var(--c-accent-soft);color:var(--c-accent-deep);}
.badge-teal{background:var(--c-teal-soft);color:#0A7A6D;}
.badge-line{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3);}

/* ============ 顶部大图 Banner ============ */
.page-banner{
  position:relative;
  padding:140px 0 88px;
  background-image:linear-gradient(105deg,rgba(16,36,66,.94) 0%,rgba(20,53,99,.86) 46%,rgba(30,78,140,.68) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 22%,rgba(233,161,59,.30) 0,transparent 42%),
    radial-gradient(circle at 68% 84%,rgba(18,165,148,.22) 0,transparent 40%),
    radial-gradient(circle at 12% 12%,rgba(255,255,255,.14) 1.6px,transparent 2px);
  background-size:auto,auto,58px 58px;
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb span.sep{opacity:.5;}
.crumb span.now{color:var(--c-accent);font-weight:600;}

.banner-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
}
.banner-copy h1{
  font-size:clamp(30px,4.2vw,52px);
  color:#fff;line-height:1.2;margin-bottom:20px;
}
.banner-copy h1 em{font-style:normal;color:var(--c-accent);}
.banner-sub{
  font-size:17.5px;color:rgba(255,255,255,.86);
  max-width:540px;margin-bottom:30px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;}
.banner-tags .badge{height:30px;font-size:12.5px;}

.banner-panel{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:0 24px 60px -28px rgba(0,0,0,.6);
  backdrop-filter:blur(6px);
}
.banner-panel h3{color:#fff;font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.banner-panel h3 i{
  width:8px;height:8px;border-radius:50%;background:var(--c-accent);
  box-shadow:0 0 0 4px rgba(233,161,59,.24);display:inline-block;
}
.banner-list{display:grid;gap:12px;}
.banner-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.65;
  padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.18);
}
.banner-list li:last-child{border-bottom:0;padding-bottom:0;}
.banner-list svg{width:19px;height:19px;flex-shrink:0;margin-top:2px;color:var(--c-teal);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .badge{margin-bottom:16px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  margin-bottom:16px;
}
.section-head p{color:var(--t-2);font-size:16.5px;}
.section-head.center p{margin:0 auto;}

/* ============ 卡片网格 ============ */
.grid-2col{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(30,78,140,.28);
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(30,78,140,.10),rgba(18,165,148,.10));
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{
  position:absolute;left:16px;top:16px;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  box-shadow:var(--shadow-1);
}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.card-body h3{font-size:20px;}
.card-body p{color:var(--t-2);font-size:15px;line-height:1.75;}
.card-points{display:grid;gap:8px;margin-top:2px;}
.card-points li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--t-2);
}
.card-points li::before{
  content:"";position:absolute;left:2px;top:10px;
  width:7px;height:7px;border-radius:2px;background:var(--c-teal);
  transform:rotate(45deg);
}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-foot .meta{font-size:13px;color:var(--t-3);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-primary);
}
.link-arrow svg{width:15px;height:15px;transition:transform .24s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 场景对照（双栏说明） ============ */
.compare{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;
}
.compare-card{
  border-radius:var(--r-md);
  padding:32px;
  border:1px solid var(--border);
  background:#fff;
  box-shadow:var(--shadow-1);
}
.compare-card h3{font-size:19px;margin-bottom:8px;}
.compare-card > p{color:var(--t-2);font-size:15px;margin-bottom:20px;}
.compare-card.dark{
  background:linear-gradient(150deg,var(--c-primary-deep),var(--c-primary));
  border-color:transparent;color:#fff;
}
.compare-card.dark h3{color:#fff;}
.compare-card.dark > p{color:rgba(255,255,255,.78);}
.tick-list{display:grid;gap:14px;}
.tick-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--t-2);}
.compare-card.dark .tick-list li{color:rgba(255,255,255,.86);}
.tick-list svg{width:20px;height:20px;flex-shrink:0;margin-top:2px;color:var(--c-teal);}
.compare-card.dark .tick-list svg{color:var(--c-accent);}
.tick-list b{color:var(--t-1);font-weight:600;}
.compare-card.dark .tick-list b{color:#fff;}

/* ============ 处理流程几步 ============ */
.step-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.step-card{
  position:relative;
  padding:30px 26px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--border);
  box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:700;font-size:17px;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step-card:nth-child(2) .step-num{background:var(--c-accent-soft);color:var(--c-accent-deep);}
.step-card:nth-child(3) .step-num{background:var(--c-teal-soft);color:#0A7A6D;}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--t-2);}

/* ============ 数据带 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--border);
  box-shadow:var(--shadow-2);
  overflow:hidden;
}
.stat{
  padding:34px 26px;
  border-right:1px solid var(--border);
  text-align:center;
}
.stat:last-child{border-right:0;}
.stat b{
  display:block;font-size:clamp(30px,3.4vw,44px);
  color:var(--c-primary);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:8px;
}
.stat span{font-size:14px;color:var(--t-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--t-1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  position:relative;flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-soft);
  transition:background .24s ease,transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{background:var(--c-accent-soft);transform:rotate(45deg);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--c-accent-deep);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a p{
  font-size:15px;color:var(--t-2);line-height:1.8;
  padding:0 56px 24px 4px;
}

/* ============ 底部 CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:64px 56px;
  background-image:linear-gradient(115deg,rgba(20,53,99,.95),rgba(30,78,140,.86)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  color:#fff;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  gap:40px;align-items:center;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,161,59,.34),transparent 68%);
}
.cta-block h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;position:relative;z-index:2;}
.cta-block p{color:rgba(255,255,255,.82);font-size:16px;max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.78);
  padding:76px 0 calc(56px + 84px);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.30) 1.3px,transparent 1.8px),
    radial-gradient(circle,rgba(233,161,59,.34) 1.6px,transparent 2.1px);
  background-size:120px 120px,220px 220px;
  background-position:0 0,60px 70px;
  opacity:.55;pointer-events:none;
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:0;
  padding-bottom:44px;
}
.footer-col{padding:0 28px;border-right:1px solid rgba(255,255,255,.12);}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{border-right:0;padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand b{color:#fff;font-size:18px;font-weight:700;letter-spacing:-.01em;}
.footer-brand .logo-mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(140deg,#2E6FB8,#143563);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact{display:grid;gap:14px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.65;}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:3px;color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:rgba(255,255,255,.6);}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom nav a{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-bottom nav a:hover{color:var(--c-accent);}

/* ============ 底部固定转化条 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:130;
  height:56px;
  display:flex;align-items:center;
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--border);
  box-shadow:var(--shadow-2);
  backdrop-filter:blur(8px);
  transform:translateY(110%);
  opacity:0;
  transition:transform .32s ease,opacity .32s ease;
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;}
.sticky-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-inner span{font-size:14.5px;color:var(--t-2);}
.sticky-inner span b{color:var(--t-1);}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:140;
  background:rgba(16,28,46,.46);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:150;
  width:min(84vw,340px);
  background:#fff;
  box-shadow:var(--shadow-3);
  padding:24px 22px 32px;
  transform:translateX(102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head b{font-size:16px;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--t-2);font-size:20px;line-height:1;
}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:52px;padding:0 16px;
  border-radius:var(--r-sm);
  font-size:15.5px;font-weight:500;color:var(--t-2);
}
.drawer-nav a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--r-sm);background:var(--c-bg-alt);
  margin-bottom:18px;
}
.drawer-search svg{width:16px;height:16px;color:var(--t-3);}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14.5px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container,.nav-inner,.sticky-inner{padding:0 22px;}
  .banner-grid{gap:40px;}
  .nav-link{padding:0 11px;font-size:14.5px;}
  .search-box input{width:92px;}
  .footer-col{padding:0 20px;}
}
@media (max-width:1023px){
  .site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);box-shadow:var(--shadow-1);}
  .site-header .brand-text b{color:var(--t-1);}
  .site-header .brand-text span{color:var(--t-3);}
  .site-header .nav-link{color:var(--t-2);}
  .site-header .nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);}
  .site-header .search-box{border-color:var(--border);background:var(--c-bg-alt);}
  .site-header .search-box svg{color:var(--t-3);}
  .site-header .search-box input{color:var(--t-1);}
  .site-header .search-box input::placeholder{color:var(--t-3);}
  .site-header .hamburger{display:flex;color:var(--c-primary);border-color:var(--border);background:var(--c-bg-alt);}
  .nav-links,.nav-actions .search-box{display:none;}
  .nav-actions{margin-left:auto;}
  .page-banner{padding:112px 0 68px;}
  .banner-grid{grid-template-columns:1fr;gap:34px;}
  .banner-panel{max-width:560px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(2){border-right:0;padding-right:0;}
  .footer-col:nth-child(3){padding-left:0;}
  .cta-block{grid-template-columns:1fr;padding:48px 36px;gap:26px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .step-row{grid-template-columns:1fr;gap:16px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--border);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container,.nav-inner,.sticky-inner{padding:0 18px;}
  .site-header{height:56px;}
  .brand-text b{font-size:15.5px;}
  .brand-text span{display:none;}
  .page-banner{padding:96px 0 56px;}
  .banner-actions{gap:10px;}
  .banner-actions .btn{width:100%;max-width:340px;}
  .grid-2col{grid-template-columns:1fr;gap:18px;}
  .compare{grid-template-columns:1fr;gap:18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .card-body{padding:22px 20px 24px;}
  .card-body h3{font-size:18.5px;}
  .faq-q{font-size:16px;padding:20px 2px;gap:14px;}
  .faq-a p{padding:0 8px 20px 2px;}
  .cta-block{padding:36px 24px;border-radius:var(--r-md);}
  .cta-actions .btn{width:100%;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{padding:24px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:34px;}
  .footer-col{padding:0;border-right:0;border-bottom:0;}
  .footer-col + .footer-col{padding-top:26px;border-top:1px solid rgba(255,255,255,.12);}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .sticky-cta{transform:translateY(0);opacity:1;}
  .sticky-inner span{display:none;}
  .sticky-inner{justify-content:center;}
  .sticky-inner .btn{width:100%;}
}
@media (max-width:520px){
  .banner-copy h1{font-size:27px;}
  .banner-sub{font-size:15.5px;}
  .compare-card{padding:24px 20px;}
  .step-card{padding:24px 20px;}
  .stat b{font-size:28px;}
  .stat span{font-size:13px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1E4E8C;
  --c-primary-dark:#143563;
  --c-primary-hover:#163F73;
  --c-primary-soft:#E8F0FA;
  --c-accent:#E9A13B;
  --c-accent-soft:#FDF3E2;
  --c-teal:#12A594;
  --c-teal-soft:#E4F6F3;
  --c-danger:#D64545;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FB;
  --text:#101C2E;
  --text-2:#55637A;
  --text-3:#8A96A8;
  --border:#E3E9F1;
  --r-s:8px;
  --r-c:14px;
  --r-l:20px;
  --r-p:999px;
  --shadow-1:0 1px 2px rgba(16,28,46,.06);
  --shadow-2:0 10px 30px -12px rgba(16,28,46,.18);
  --shadow-3:0 20px 50px -20px rgba(16,28,46,.28);
  --sp:4px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-primary-soft);color:var(--c-primary-dark)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 通用按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-p);
  font-size:16px;font-weight:600;letter-spacing:.01em;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .16s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-gold{background:var(--c-accent);color:#3B2606;box-shadow:0 8px 22px -10px rgba(233,161,59,.85)}
.btn-gold:hover{background:#D98F27;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-gold:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{background:#EEF1F6;color:var(--text-3);border-color:#EEF1F6;box-shadow:none;cursor:not-allowed;transform:none}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:var(--r-p);
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.tag-teal{background:var(--c-teal-soft);color:#0B7A6D}
.tag-gold{background:var(--c-accent-soft);color:#8A5A12}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:var(--header-h);
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-1);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:
    radial-gradient(circle at 72% 26%, rgba(255,255,255,.95) 0 2.2px, transparent 2.6px),
    radial-gradient(circle at 30% 70%, rgba(233,161,59,.95) 0 2px, transparent 2.4px),
    linear-gradient(135deg,#1E4E8C 0%,#143563 100%);
  position:relative;
  box-shadow:0 6px 16px -8px rgba(20,53,99,.9);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border:1.6px solid rgba(255,255,255,.55);
  border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-24deg);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.site-header.is-scrolled .brand-text{color:var(--text)}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:36px;padding:0 14px;border-radius:var(--r-p);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:center;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(0)}

.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--bg-soft);color:var(--c-primary);border-color:var(--border)}
.icon-btn svg{width:19px;height:19px}
.menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-btn span{display:block;width:17px;height:2px;border-radius:2px;background:var(--c-primary-dark);transition:transform .2s ease,opacity .2s ease}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:130;
  background:#fff;box-shadow:var(--shadow-3);
  transform:translateX(105%);transition:transform .28s ease;
  padding:24px 22px 32px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border);margin-bottom:8px}
.drawer-title{font-size:16px;font-weight:700}
.drawer-close{width:36px;height:36px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-2)}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:52px;padding:0 12px;border-radius:var(--r-s);
  font-size:16px;color:var(--text-2);font-weight:500;
  transition:background-color .2s ease,color .2s ease;
}
.drawer a.drawer-link:hover{background:var(--bg-soft);color:var(--c-primary)}
.drawer a.drawer-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.drawer-cta{margin-top:16px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,28,46,.42);z-index:125;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:132px 0 76px;
  background:
    radial-gradient(circle at 88% 12%, rgba(30,78,140,.10) 0 1.5px, transparent 2px),
    radial-gradient(circle at 74% 30%, rgba(233,161,59,.35) 0 1.5px, transparent 2px),
    radial-gradient(circle at 62% 8%, rgba(30,78,140,.14) 0 1.5px, transparent 2px),
    linear-gradient(180deg,#F4F7FB 0%,#FFFFFF 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;left:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(30,78,140,.12);
}
.hero::after{
  content:"";position:absolute;left:-90px;top:-70px;width:260px;height:260px;border-radius:50%;
  border:1px dashed rgba(233,161,59,.35);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-p);
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-1);
  font-size:13px;font-weight:600;color:var(--c-primary);margin-bottom:20px;
}
.eyebrow .badge-dot{background:var(--c-teal)}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.24;font-weight:700;letter-spacing:-.01em;
  color:var(--text);
}
.hero h1 em{font-style:normal;color:var(--c-primary);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;
  background:rgba(233,161,59,.28);border-radius:4px;z-index:-1;
}
.hero-sub{margin-top:18px;font-size:18px;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:500;color:var(--text-2);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-p);
  padding:6px 13px;box-shadow:var(--shadow-1);
}
.hero-badges svg{width:15px;height:15px;color:var(--c-teal)}

.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-l);box-shadow:var(--shadow-3);
  border:6px solid #fff;
}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--border);border-radius:var(--r-c);
  box-shadow:var(--shadow-2);padding:12px 15px;min-width:172px;
}
.float-card .fc-label{font-size:12px;color:var(--text-3);font-weight:500}
.float-card .fc-value{font-size:15px;font-weight:700;color:var(--c-primary-dark);margin-top:2px}
.float-card .fc-note{font-size:12px;color:var(--text-2);margin-top:3px}
.fc-1{left:-18px;bottom:52px}
.fc-2{right:-12px;top:26px}
.fc-2 .fc-value{color:#0B7A6D}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0;background:#fff}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-2);transition:color .2s ease}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:#C6D0DE}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-accent);
  text-transform:uppercase;margin-bottom:10px;display:block;
}
.section-head h2{font-size:clamp(25px,2.6vw,33px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px}

/* ---------- 步骤时间线 ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:25px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-primary-soft) 0%,rgba(30,78,140,.35) 30%,rgba(233,161,59,.45) 100%);
  border-radius:2px;
}
.tl-item{
  position:relative;display:grid;grid-template-columns:52px 1fr;gap:26px;
  padding:0 0 34px 0;
}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
  background:#fff;color:var(--c-primary);
  border:2px solid rgba(30,78,140,.30);
  box-shadow:var(--shadow-1);
  position:relative;z-index:2;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.tl-item:hover .tl-num{border-color:var(--c-accent);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.tl-item.is-key .tl-num{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.tl-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-c);
  padding:22px 26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-item:hover .tl-body{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28)}
.tl-body h3{font-size:19px;font-weight:700;line-height:1.45}
.tl-body p{margin-top:10px;color:var(--text-2);font-size:15.5px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- 功能亮点错位栅格 ---------- */
.feature-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:24px;align-items:start}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-c);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28)}
.feature-card .fc-img{width:100%;object-fit:cover;background:var(--bg-soft)}
.feature-card.is-large .fc-img{aspect-ratio:16/9}
.feature-card.is-small .fc-img{aspect-ratio:16/7}
.feature-card .fc-body{padding:24px 26px 28px}
.feature-card.is-small .fc-body{padding:18px 22px 22px}
.feature-card h3{font-size:21px;font-weight:700;line-height:1.4}
.feature-card.is-small h3{font-size:18px}
.feature-card p{margin-top:10px;color:var(--text-2);font-size:15.5px}
.feature-card.is-small p{font-size:14.5px}
.feature-side{display:grid;gap:24px;margin-top:34px}

/* ---------- 场景列表 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-c);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28)}
.scene-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.scene-icon svg{width:20px;height:20px}
.scene-item h3{font-size:17px;font-weight:700}
.scene-item p{margin-top:6px;font-size:14.5px;color:var(--text-2)}

/* ---------- 对照说明（双栏，非表格） ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.compare-col{padding:32px 30px}
.compare-col:first-child{border-right:1px solid var(--border)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-head .dot{width:10px;height:10px;border-radius:50%;background:var(--c-primary)}
.compare-col.alt .compare-head .dot{background:var(--c-accent)}
.compare-col h3{font-size:19px;font-weight:700}
.compare-col .lead{font-size:14px;color:var(--text-3);margin-bottom:18px}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--border);
  font-size:15px;color:var(--text-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-list svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;color:var(--c-teal)}
.compare-col.alt .compare-list svg{color:var(--c-accent)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;
  color:var(--text);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:16px;font-weight:600;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--c-accent);color:#3B2606}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 60px 24px 4px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-primary-dark);color:#fff;border-radius:var(--r-l)}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 24%, rgba(255,255,255,.30) 0 1.5px, transparent 2px),
    radial-gradient(circle at 42% 72%, rgba(233,161,59,.55) 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 78% 18%, rgba(255,255,255,.24) 0 1.4px, transparent 2px),
    radial-gradient(circle at 88% 78%, rgba(18,165,148,.55) 0 1.5px, transparent 2px),
    linear-gradient(120deg,rgba(30,78,140,.85) 0%,rgba(20,53,99,.75) 100%);
}
.cta-inner{position:relative;z-index:2;padding:56px 48px;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(23px,2.4vw,30px);font-weight:700;line-height:1.4}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.82);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:96px;
  background:var(--c-primary-dark);color:rgba(255,255,255,.78);
  padding:64px 0 96px;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 8% 18%, rgba(255,255,255,.22) 0 1.4px, transparent 2px),
    radial-gradient(circle at 26% 62%, rgba(233,161,59,.45) 0 1.5px, transparent 2.2px),
    radial-gradient(circle at 48% 26%, rgba(255,255,255,.18) 0 1.3px, transparent 2px),
    radial-gradient(circle at 68% 74%, rgba(18,165,148,.45) 0 1.4px, transparent 2px),
    radial-gradient(circle at 88% 34%, rgba(255,255,255,.20) 0 1.3px, transparent 2px);
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
}
.footer-col{padding-right:8px}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.14);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:17px;letter-spacing:-.01em}
.footer-brand .logo-mark{background:linear-gradient(135deg,#2A66B0 0%,#1E4E8C 100%)}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-contact svg{width:17px;height:17px;flex:0 0 17px;margin-top:4px;color:var(--c-accent)}
.footer-bottom{
  position:relative;z-index:2;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13.5px;color:rgba(255,255,255,.58)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-bottom nav a:hover{color:#fff}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:110;
  height:56px;background:#fff;border-top:1px solid var(--border);
  box-shadow:var(--shadow-2);
  transform:translateY(100%);opacity:0;
  transition:transform .3s ease,opacity .3s ease;
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1}
.sticky-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-inner p{font-size:14.5px;color:var(--text-2)}
.sticky-inner p b{color:var(--c-primary-dark);font-weight:700}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .hero-visual img{aspect-ratio:16/12}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:nth-child(4){border-left:0;padding-left:0}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .nav-actions .btn-ghost,
  .nav-actions .btn-primary{display:none}
  .hero{padding:112px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .hero-visual img{aspect-ratio:16/9}
  .fc-1{left:10px;bottom:14px}
  .fc-2{right:10px;top:14px}
  .section{padding:72px 0}
  .feature-grid{grid-template-columns:1fr}
  .feature-side{grid-template-columns:1fr 1fr;gap:20px;margin-top:0}
  .scene-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare-col:first-child{border-right:0;border-bottom:1px solid var(--border)}
  .cta-inner{grid-template-columns:1fr;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-col + .footer-col{border-left:0;padding-left:0}
  .footer-col:nth-child(3),.footer-col:nth-child(4){border-top:1px solid rgba(255,255,255,.14);padding-top:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .hero{padding:96px 0 52px}
  .hero-sub{font-size:16.5px}
  .hero-actions .btn{width:100%}
  .hero-badges{gap:8px}
  .float-card{min-width:0;padding:10px 12px}
  .float-card .fc-value{font-size:14px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .tl-item{grid-template-columns:40px 1fr;gap:16px;padding-bottom:26px}
  .tl-num{width:40px;height:40px;font-size:15px}
  .timeline::before{left:19px}
  .tl-body{padding:18px 18px 20px}
  .tl-body h3{font-size:17px}
  .tl-body p{font-size:15px}
  .feature-side{grid-template-columns:1fr}
  .feature-card .fc-body{padding:20px 20px 22px}
  .scene-item{padding:18px}
  .compare-col{padding:24px 20px}
  .faq-q{font-size:16px;padding:18px 2px}
  .faq-a p{padding:0 8px 20px 2px}
  .cta-inner{padding:34px 22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col:nth-child(3),.footer-col:nth-child(4){padding-top:22px}
  .site-footer{padding:48px 0 92px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sticky-inner p{font-size:13px;line-height:1.4}
  .sticky-inner .btn{padding:0 16px;font-size:13.5px;flex-shrink:0}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .float-card.fc-2{display:none}
  .sticky-inner p{display:none}
  .sticky-inner{justify-content:center}
  .sticky-inner .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --c-primary:#1E4E8C;
  --c-primary-dark:#143563;
  --c-primary-hover:#163F73;
  --c-primary-light:#E8F0FA;
  --c-accent:#E9A13B;
  --c-accent-dark:#7A4E10;
  --c-accent-light:#FDF3E2;
  --c-teal:#12A594;
  --c-teal-light:#E4F6F3;
  --c-danger:#D64545;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FB;
  --t1:#101C2E;
  --t2:#55637A;
  --t3:#8A96A8;
  --line:#E3E9F1;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,28,46,.06);
  --shadow-2:0 10px 30px -12px rgba(16,28,46,.18);
  --shadow-3:0 20px 50px -20px rgba(16,28,46,.28);
  --container:1200px;
  --sec-desktop:96px;
  --sec-tablet:72px;
  --sec-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  padding-bottom:56px;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sec-desktop) 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.18;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,33px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:700}
h4{font-size:16px;font-weight:700}
.lead{font-size:17px;color:var(--t2);line-height:1.8}
.muted{color:var(--t2)}
.small{font-size:13.5px;color:var(--t3)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:64px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
  --nav-text:#FFFFFF;
  --nav-text-weak:rgba(255,255,255,.82);
  --nav-active-bg:rgba(255,255,255,.16);
  --nav-cta-bg:rgba(255,255,255,.14);
  --nav-cta-border:rgba(255,255,255,.42);
  --nav-cta-text:#FFFFFF;
  --nav-input-bg:rgba(255,255,255,.12);
  --nav-input-border:rgba(255,255,255,.28);
  --nav-input-text:#FFFFFF;
  --nav-input-ph:rgba(255,255,255,.66);
}
.site-header.is-scrolled{
  background:#FFFFFF;
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
  --nav-text:var(--t1);
  --nav-text-weak:var(--t2);
  --nav-active-bg:var(--c-primary-light);
  --nav-cta-bg:var(--c-primary);
  --nav-cta-border:transparent;
  --nav-cta-text:#FFFFFF;
  --nav-input-bg:#F4F7FB;
  --nav-input-border:var(--line);
  --nav-input-text:var(--t1);
  --nav-input-ph:var(--t3);
}
.header-inner{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--nav-text);font-weight:700;font-size:17.5px;letter-spacing:-.01em}
.logo-mark{
  width:30px;height:30px;border-radius:9px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-accent) 0%,#F3C173 48%,var(--c-primary) 100%);
  box-shadow:0 4px 12px -6px rgba(233,161,59,.7);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border-radius:50%;
  border:1.6px solid rgba(255,255,255,.9);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(24deg);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--nav-text-weak);
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--nav-text);background:var(--nav-active-bg)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--nav-text);background:var(--nav-active-bg);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:172px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--nav-input-border);background:var(--nav-input-bg);
  color:var(--nav-input-text);padding:0 38px 0 16px;font-size:14px;
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:var(--nav-input-ph)}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,78,140,.15)}
.nav-search svg{position:absolute;right:13px;width:16px;height:16px;color:var(--nav-input-ph);pointer-events:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:rgba(30,78,140,.4)}
.btn-outline:hover{background:var(--c-primary-light);border-color:var(--c-primary);transform:translateY(-1px)}
.btn-gold{background:var(--c-accent);color:#3B2606;box-shadow:0 12px 26px -14px rgba(233,161,59,.9)}
.btn-gold:hover{background:#D9902C;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--nav-cta-bg);border:1px solid var(--nav-cta-border);color:var(--nav-cta-text);
  font-size:14.5px;font-weight:600;transition:opacity .22s ease,transform .22s ease;
}
.header-cta:hover{opacity:.9;transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--nav-input-border);
  background:var(--nav-input-bg);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--nav-text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--nav-text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:150px 0 96px;
  background:var(--c-primary-dark);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,53,99,.94) 0%,rgba(30,78,140,.86) 52%,rgba(20,53,99,.9) 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{opacity:.5}
.page-hero .badge{margin-bottom:18px}
.page-hero h1{margin-bottom:18px}
.page-hero .lead{color:rgba(255,255,255,.86);max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px}
.hero-facts li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;color:rgba(255,255,255,.92);
}
.hero-facts li svg{width:15px;height:15px;color:var(--c-accent);flex-shrink:0}
.hero-aside{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-lg);padding:12px;backdrop-filter:blur(2px);
}
.hero-aside img{width:100%;aspect-ratio:16/11;border-radius:14px}
.hero-aside-note{
  display:flex;align-items:center;gap:10px;padding:14px 8px 8px;
  font-size:13.5px;color:rgba(255,255,255,.82);
}
.hero-aside-note b{color:#fff;font-weight:600}

/* ---------- badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;
  background:var(--c-primary-light);color:var(--c-primary);
}
.badge--gold{background:var(--c-accent-light);color:var(--c-accent-dark)}
.badge--teal{background:var(--c-teal-light);color:#0B7A6D}
.badge--light{background:rgba(255,255,255,.18);color:#fff}

/* ---------- 快速自查 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.check-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,78,140,.28)}
.check-num{
  font-size:34px;font-weight:700;line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--c-primary);
  display:block;margin-bottom:16px;
}
.check-card:nth-child(2) .check-num{color:var(--c-teal)}
.check-card:nth-child(3) .check-num{color:var(--c-accent)}
.check-card:nth-child(4) .check-num{color:var(--c-primary-dark)}
.check-card h3{font-size:18px;margin-bottom:10px}
.check-card p{font-size:14.5px;color:var(--t2);line-height:1.75}
.check-card .divider{height:1px;background:var(--line);margin:18px 0 16px}
.check-card .small{display:block}

/* ---------- 折叠清单 ---------- */
.acc-wrap{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.acc-side{position:sticky;top:96px}
.acc-side h2{margin-bottom:14px}
.acc-side .lead{font-size:15.5px;margin-bottom:26px}
.side-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--t2);
}
.side-list li:first-child{border-top:none;padding-top:0}
.side-list li i{
  flex-shrink:0;width:8px;height:8px;border-radius:50%;margin-top:9px;
  background:var(--c-accent);
}
.acc-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:none}
.acc-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 26px;font-size:17px;font-weight:600;line-height:1.55;color:var(--t1);
  transition:background .22s ease,color .22s ease;
}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary:hover{background:var(--bg-soft);color:var(--c-primary)}
.acc-item summary .tag{
  flex-shrink:0;margin-top:2px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--c-primary-light);color:var(--c-primary);
}
.acc-item.is-page summary .tag{background:var(--c-teal-light);color:#0B7A6D}
.acc-item.is-account summary .tag{background:var(--c-accent-light);color:var(--c-accent-dark)}
.acc-item summary .plus{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:8px;position:relative;
  background:var(--bg-soft);transition:transform .28s ease,background .22s ease;
}
.acc-item summary .plus::before,.acc-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.acc-item summary .plus::before{width:12px;height:2px}
.acc-item summary .plus::after{width:2px;height:12px}
.acc-item[open] summary{background:var(--bg-soft)}
.acc-item[open] summary .plus{transform:rotate(45deg);background:var(--c-primary)}
.acc-item[open] summary .plus::before,.acc-item[open] summary .plus::after{background:#fff}
.acc-body{padding:0 26px 26px 26px;font-size:15px;color:var(--t2);line-height:1.85}
.acc-body p+p{margin-top:12px}
.acc-body strong{color:var(--t1)}

/* ---------- 对照说明 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-col{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;
  box-shadow:var(--shadow-1);
}
.compare-col--dark{
  background:var(--c-primary-dark);border-color:transparent;color:#fff;
  background-image:radial-gradient(circle at 88% 12%,rgba(233,161,59,.28),transparent 42%);
}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-col h3 em{
  font-style:normal;width:28px;height:28px;border-radius:9px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  background:var(--c-teal-light);color:#0B7A6D;
}
.compare-col--dark h3 em{background:rgba(255,255,255,.16);color:#fff}
.compare-col > p{font-size:14.5px;color:var(--t2);margin-bottom:22px}
.compare-col--dark > p{color:rgba(255,255,255,.78)}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:15px 0;border-top:1px solid var(--line);font-size:14.8px;line-height:1.72;
}
.compare-col--dark .compare-list li{border-top-color:rgba(255,255,255,.16);color:rgba(255,255,255,.88)}
.compare-list li:first-child{border-top:none;padding-top:0}
.compare-list li svg{width:18px;height:18px;flex-shrink:0;margin-top:4px;color:var(--c-teal)}
.compare-col--dark .compare-list li svg{color:var(--c-accent)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 4px;font-size:17px;font-weight:600;transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item summary .plus{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;position:relative;
  border:1px solid var(--line);transition:transform .28s ease,background .25s ease,border-color .25s ease;
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:11px;height:1.6px}
.faq-item summary .plus::after{width:1.6px;height:11px}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--c-primary);border-color:var(--c-primary)}
.faq-item[open] summary .plus::before,.faq-item[open] summary .plus::after{background:#fff}
.faq-body{padding:0 4px 24px;font-size:15px;color:var(--t2);line-height:1.85;max-width:800px}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:64px 56px;color:#fff;
  background:linear-gradient(120deg,var(--c-primary-dark) 0%,var(--c-primary) 100%);
  box-shadow:var(--shadow-3);
}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,161,59,.34),transparent 62%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center}
.cta-block h2{margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.84);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:rgba(255,255,255,.66);text-align:center}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--c-primary-dark);color:rgba(255,255,255,.82);
  padding:76px 0 96px;margin-top:0;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;opacity:.3;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,255,255,.9),transparent),
    radial-gradient(1.4px 1.4px at 68% 12%,rgba(233,161,59,.9),transparent),
    radial-gradient(1.4px 1.4px at 34% 78%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.2px 1.2px at 86% 62%,rgba(255,255,255,.8),transparent),
    radial-gradient(1.2px 1.2px at 52% 44%,rgba(233,161,59,.7),transparent);
}
.footer-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:0;
}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.footer-col:first-child{border-left:none;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:17px}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--c-accent) 0%,#F3C173 48%,#7FA6DA 100%)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.74);line-height:1.7}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--c-accent)}
.footer-bottom{
  position:relative;z-index:2;margin-top:52px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{transition:color .2s ease}
.footer-bottom a:hover{color:#fff}

/* ---------- 底部固定转化条 ---------- */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:130;height:56px;
  background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-2);
  display:flex;align-items:center;
  opacity:0;transform:translateY(100%);transition:opacity .3s ease,transform .3s ease;
}
.conv-bar.is-visible{opacity:1;transform:translateY(0)}
.conv-inner{display:flex;align-items:center;gap:18px;width:100%}
.conv-text{font-size:14.5px;font-weight:600;color:var(--t1);display:flex;align-items:center;gap:10px}
.conv-text i{
  width:8px;height:8px;border-radius:50%;background:var(--c-teal);flex-shrink:0;
  box-shadow:0 0 0 4px rgba(18,165,148,.14);
}
.conv-text span{color:var(--t2);font-weight:400}
.conv-actions{margin-left:auto;display:flex;align-items:center;gap:12px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero-inner{grid-template-columns:1.1fr .9fr;gap:40px}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .acc-wrap{grid-template-columns:280px 1fr;gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .footer-col{padding:0 20px}
}
@media (max-width:1023px){
  .section{padding:var(--sec-tablet) 0}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:288px;max-width:86vw;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:88px 22px 28px;margin:0;
    box-shadow:var(--shadow-3);transform:translateX(104%);
    transition:transform .3s ease;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{color:var(--t1);padding:15px 14px;font-size:16px;border-radius:12px;line-height:1.4}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--c-primary-light);color:var(--c-primary)}
  .header-cta{margin-right:6px}
  .page-hero{padding:130px 0 76px}
  .page-hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-aside{max-width:520px}
  .acc-wrap{grid-template-columns:1fr;gap:28px}
  .acc-side{position:static}
  .compare{grid-template-columns:1fr}
  .cta-block{padding:52px 34px}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0}
  .footer-col{padding:0 22px}
  .footer-col:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:52px}
  .container{padding:0 18px}
  .section{padding:var(--sec-mobile) 0}
  .site-header{height:56px}
  .site-header .container{padding:0 18px}
  .brand{font-size:16px}
  .logo-mark{width:26px;height:26px;border-radius:8px}
  .header-cta{display:none}
  .page-hero{padding:112px 0 62px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:8px}
  .hero-facts li{font-size:12.5px;padding:7px 12px}
  .check-grid{grid-template-columns:1fr;gap:16px}
  .acc-item summary{padding:18px 18px;font-size:15.5px;gap:12px}
  .acc-item summary .tag{display:none}
  .acc-body{padding:0 18px 22px}
  .compare-col{padding:26px 20px}
  .cta-block{padding:40px 22px;border-radius:var(--r-card)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-col{padding:0;border-left:none;border-top:1px solid rgba(255,255,255,.14);padding-top:26px}
  .footer-col:first-child{border-top:none;padding-top:0}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;margin-top:34px}
  .conv-bar{height:52px}
  .conv-bar{opacity:1;transform:translateY(0)}
  .conv-text span{display:none}
  .conv-text{font-size:13.5px}
  .conv-actions .btn{height:38px;padding:0 16px;font-size:13.5px}
  .conv-actions .btn-outline{display:none}
}
@media (max-width:520px){
  .acc-item summary{font-size:15px}
  .faq-item summary{font-size:15.5px}
  .cta-block h2{font-size:23px}
}