/* roulang page: index */
:root{
  --c-primary:#14548C;
  --c-primary-dark:#0E3F6B;
  --c-primary-light:#E7F0F8;
  --c-accent:#F0801E;
  --c-accent-hover:#D26C12;
  --c-teal:#17958F;
  --c-slate:#5A6C7D;
  --t-main:#16222E;
  --t-sub:#4C5D6E;
  --t-weak:#8A98A8;
  --bg-page:#F4F7FA;
  --bg-card:#FFFFFF;
  --line:#E4EBF2;
  --line-soft:#E6EDF5;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,84,140,.06);
  --sh-2:0 12px 28px rgba(20,84,140,.14);
  --sh-nav:0 8px 24px rgba(10,40,70,.10);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --font-base:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;letter-spacing:.02em;color:var(--t-main);line-height:1.28;}
h1{font-size:44px;}
h2{font-size:32px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0 0 1em;color:var(--t-sub);}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:var(--c-primary);color:#fff;}

/* 容器与栅格 */
.grid-container{max-width:1200px !important;padding-left:24px;padding-right:24px;}
.grid-container.full{max-width:100% !important;padding-left:0;padding-right:0;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x>.cell{min-width:0;}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:10px;border:1px solid transparent;
  font-size:16px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(240,128,30,.28);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(20,84,140,.22);}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(6px);}
.btn-light:hover{background:#fff;color:var(--c-primary);transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:14px;}
.btn-text::after{content:"→";transition:transform .2s ease;}
.btn-text:hover::after{transform:translateX(4px);}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;letter-spacing:.02em;}
.badge-blue{background:var(--c-primary-light);color:var(--c-primary-dark);}
.badge-teal{background:#E2F2F1;color:#0F6D68;}
.badge-accent{background:#FDEEE0;color:#A85A0C;}
.tag-pill{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--t-sub);font-size:13px;}
.tag-pill:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;padding:0 24px;max-width:1240px;margin:0 auto;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  border-top:0;border-radius:0 0 14px 14px;
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 10px 30px rgba(10,40,70,.14);
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.brand{display:flex;align-items:baseline;gap:6px;color:#fff;font-weight:700;letter-spacing:.02em;line-height:1;}
.brand-main{font-size:21px;}
.brand-sub{font-size:13px;font-weight:600;opacity:.82;letter-spacing:.08em;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;margin-right:8px;}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:8px;
  color:rgba(255,255,255,.92);font-size:15px;font-weight:500;transition:background-color .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff;}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:0;opacity:0;height:38px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.16);color:#fff;padding:0;transition:width .25s ease,opacity .25s ease,padding .25s ease;
}
.nav-search input::placeholder{color:rgba(255,255,255,.7);}
.nav-search.open input{width:180px;opacity:1;padding:0 14px;}
.nav-search button{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:background-color .2s ease,color .2s ease;
}
.nav-search button:hover{background:#fff;color:var(--c-primary);}
.nav-cta{height:42px;padding:0 20px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.14);color:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;}
.site-header.is-scrolled .nav-inner{
  background:#fff;border-color:transparent;border-radius:0;box-shadow:var(--sh-nav);max-width:100%;
  padding-left:24px;padding-right:24px;
}
.site-header.is-scrolled .brand{color:var(--t-main);}
.site-header.is-scrolled .brand-sub{color:var(--t-weak);}
.site-header.is-scrolled .nav-links a{color:var(--t-sub);}
.site-header.is-scrolled .nav-links a:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.site-header.is-scrolled .nav-links a.active{background:var(--c-primary-light);color:var(--c-primary-dark);}
.site-header.is-scrolled .nav-search button{border-color:var(--line);background:#fff;color:var(--c-primary);}
.site-header.is-scrolled .nav-search input{background:#F1F6FA;border-color:var(--line);color:var(--t-main);}
.site-header.is-scrolled .nav-search input::placeholder{color:var(--t-weak);}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;color:var(--c-primary);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(14,40,66,.42);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:1100;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;z-index:1200;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-12px 0 32px rgba(10,40,70,.18);
}
.drawer.open{transform:translateX(0);}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--t-sub);font-size:18px;}
.drawer-nav{list-style:none;margin:0;padding:12px 10px;flex:1;}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 14px;border-radius:10px;color:var(--t-main);font-size:16px;font-weight:500;}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--c-primary-light);color:var(--c-primary-dark);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(105deg,rgba(11,52,88,.95) 0%,rgba(16,68,112,.85) 45%,rgba(20,84,140,.7) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:150px 0 96px;min-height:620px;display:flex;align-items:center;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,128,30,.32) 0%,rgba(240,128,30,0) 68%);pointer-events:none;
}
.hero .grid-container{position:relative;z-index:2;width:100%;}
.hero-title{color:#fff;font-size:46px;line-height:1.24;margin-bottom:18px;}
.hero-title .hl{color:#FFC98A;}
.hero-sub{color:rgba(255,255,255,.86);font-size:18px;max-width:520px;margin-bottom:32px;line-height:1.7;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;border-top:1px solid rgba(255,255,255,.2);padding-top:24px;}
.hero-stat b{display:block;font-family:var(--font-mono);font-size:26px;color:#fff;letter-spacing:.01em;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.72);}
.hero-media{position:relative;padding-left:24px;}
.hero-shot{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:0 24px 60px rgba(6,28,50,.42);border:1px solid rgba(255,255,255,.22);}
.hero-shot img{width:100%;height:360px;object-fit:cover;}
.hero-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,84,140,.08),rgba(14,63,107,.18));}
.float-card{
  position:absolute;background:#fff;border-radius:var(--r-m);box-shadow:0 16px 34px rgba(6,28,50,.24);
  padding:16px 18px;color:var(--t-main);border:1px solid var(--line-soft);
}
.float-card small{display:block;font-size:12px;color:var(--t-weak);letter-spacing:.04em;}
.float-card b{display:block;font-family:var(--font-mono);font-size:22px;color:var(--c-primary);line-height:1.3;}
.float-card em{display:block;font-style:normal;font-size:13px;color:var(--t-sub);margin-top:2px;}
.float-a{width:220px;left:-8px;bottom:34px;}
.float-b{width:180px;right:-10px;top:32px;}
.float-b .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--c-teal);margin-right:6px;}

/* 板块 */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap;}
.section-head h2{margin-bottom:8px;}
.section-head p{margin:0;max-width:620px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--c-accent);}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* 主张条 */
.claims .grid-x{align-items:flex-start;}
.claims-title h2{font-size:30px;margin-bottom:10px;}
.claims-title p{font-size:15px;}
.claim-list{list-style:none;margin:0;padding:0;}
.claim-item{display:flex;gap:20px;padding:24px 0;border-top:1px solid var(--line);}
.claim-item:first-child{border-top:1px solid var(--line);}
.claim-num{font-family:var(--font-mono);font-size:16px;font-weight:700;color:var(--c-accent);padding-top:3px;min-width:34px;}
.claim-body h4{margin-bottom:6px;font-size:18px;}
.claim-body p{margin:0;font-size:15px;}

/* 故事图文 */
.story{padding:96px 0;}
.story-row{display:flex;align-items:center;gap:56px;}
.story-row+.story-row{margin-top:80px;}
.story-row.reverse{flex-direction:row-reverse;}
.story-media{position:relative;flex:1 1 50%;}
.story-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--r-l);box-shadow:var(--sh-1);border:1px solid var(--line-soft);}
.story-media::before{content:"";position:absolute;left:-14px;top:22px;bottom:22px;width:4px;border-radius:3px;background:var(--c-primary);}
.story-row.reverse .story-media::before{left:auto;right:-14px;background:var(--c-accent);}
.story-text{flex:1 1 50%;}
.story-text h3{font-size:26px;margin-bottom:14px;}
.story-text p{font-size:16px;}
.story-points{list-style:none;margin:18px 0 0;padding:0;}
.story-points li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--t-sub);font-size:15px;}
.story-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-primary-light);border:2px solid var(--c-primary);}

/* 时间线 */
.timeline{display:flex;gap:0;margin-top:28px;position:relative;}
.timeline::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--line);}
.tl-item{flex:1;padding-right:16px;position:relative;}
.tl-item i{display:block;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--c-primary);margin-bottom:14px;position:relative;z-index:1;}
.tl-item:last-child i{border-color:var(--c-accent);}
.tl-item b{display:block;font-size:15px;color:var(--t-main);margin-bottom:4px;}
.tl-item span{font-size:13px;color:var(--t-weak);line-height:1.6;display:block;}

/* 精选内容卡 */
.feature .grid-x{margin-left:-12px;margin-right:-12px;}
.feature .grid-x>.cell{padding-left:12px;padding-right:12px;}
.card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--r-l);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-thumb{position:relative;overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb::after{content:"";position:absolute;inset:0;background:rgba(20,84,140,.08);}
.feat-big .card-thumb img{height:300px;}
.feat-big .card-body{padding:24px;}
.feat-big h3{font-size:24px;margin:14px 0 10px;}
.feat-big p{font-size:15px;margin:0;}
.feat-small{display:flex;gap:16px;align-items:center;padding:16px;margin-bottom:16px;}
.feat-small:last-child{margin-bottom:0;}
.feat-small .thumb-sm{width:132px;height:92px;flex:0 0 132px;border-radius:var(--r-s);overflow:hidden;position:relative;background:var(--c-primary-light);}
.feat-small .thumb-sm img{width:100%;height:100%;object-fit:cover;}
.feat-small .thumb-sm::after{content:"";position:absolute;inset:0;background:rgba(20,84,140,.08);}
.feat-small h4{font-size:16px;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feat-small time{font-size:13px;color:var(--t-weak);font-family:var(--font-mono);}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.news-card{display:flex;gap:18px;padding:18px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-l);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{width:160px;height:100px;flex:0 0 160px;border-radius:var(--r-s);overflow:hidden;position:relative;background:var(--c-primary-light);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb::after{content:"";position:absolute;inset:0;background:rgba(20,84,140,.08);}
.news-body{flex:1;min-width:0;}
.news-body h3{font-size:17px;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--t-main);}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body p{font-size:14px;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.news-meta time{font-size:13px;color:var(--t-weak);font-family:var(--font-mono);}
.empty-card{
  grid-column:1 / -1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-l);
}
.empty-card .empty-icon{width:56px;height:56px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 16px;}
.empty-card p{margin-bottom:18px;}

/* 信任背书 */
.stats-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-bottom:64px;}
.stat-item{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-l);padding:28px 24px;box-shadow:var(--sh-1);}
.stat-item b{display:block;font-family:var(--font-mono);font-size:34px;color:var(--c-primary);letter-spacing:.01em;line-height:1.2;}
.stat-item span{display:block;font-size:14px;color:var(--t-sub);margin-top:8px;}
.stat-item i{display:block;width:36px;height:4px;border-radius:2px;background:var(--c-accent);margin-bottom:18px;}
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:56px;}
.quote-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-l);padding:28px;box-shadow:var(--sh-1);}
.quote-card p{font-size:15px;margin-bottom:22px;}
.quote-person{display:flex;align-items:center;gap:14px;}
.quote-person img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:2px solid var(--c-primary-light);}
.quote-person b{display:block;font-size:15px;color:var(--t-main);}
.quote-person span{font-size:13px;color:var(--t-weak);}
.logo-wall{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;filter:grayscale(100%);opacity:.62;transition:filter .3s ease,opacity .3s ease;}
.logo-wall:hover{filter:grayscale(0);opacity:1;}
.logo-wall span{font-size:15px;font-weight:700;color:var(--c-slate);letter-spacing:.06em;}

/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:20px 0 20px 16px;text-align:left;position:relative;
  font-size:17px;font-weight:600;color:var(--t-main);min-height:64px;
}
.faq-q::before{content:"";position:absolute;left:0;top:24px;width:3px;height:18px;border-radius:2px;background:var(--c-accent);}
.faq-q .chev{width:20px;height:20px;flex:0 0 20px;color:var(--c-primary);transition:transform .22s ease;}
.faq-item.open .faq-q{color:var(--c-primary-dark);}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-a{display:none;padding:2px 16px 24px 16px;background:#F8FAFC;border-radius:0 0 var(--r-s) var(--r-s);}
.faq-a p{margin:0;font-size:15px;line-height:1.85;}
.faq-item.open .faq-a{display:block;}

/* CTA */
.cta-band{background:var(--c-primary-light);border-top:1px solid #D6E5F1;border-bottom:1px solid #D6E5F1;padding:80px 0;}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{font-size:16px;margin-bottom:0;}
.cta-form{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-l);padding:28px;box-shadow:var(--sh-1);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t-main);margin-bottom:8px;}
.field input{
  width:100%;height:48px;border-radius:10px;border:1px solid #D8E2EC;background:#fff;padding:0 16px;color:var(--t-main);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--t-weak);}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,84,140,.14);}
.cta-form .btn{width:100%;}
.form-note{font-size:13px;color:var(--t-weak);margin:14px 0 0;line-height:1.7;}
.cta-lg-list{list-style:none;margin:26px 0 0;padding:0;}
.cta-lg-list li{position:relative;padding-left:24px;margin-bottom:12px;font-size:15px;color:var(--t-sub);}
.cta-lg-list li::before{content:"✓";position:absolute;left:0;color:var(--c-teal);font-weight:700;}

/* 页脚 */
.site-footer{background:#EEF3F8;padding:72px 0 0;border-top:1px solid #E1EAF2;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.foot-brand .brand{color:var(--t-main);}
.foot-brand p{font-size:14px;margin:18px 0 0;max-width:300px;}
.foot-col h4{font-size:16px;margin-bottom:18px;color:var(--t-main);}
.foot-col ul{list-style:none;margin:0;padding:0;}
.foot-col li{line-height:36px;}
.foot-col a{font-size:14px;color:var(--t-sub);}
.foot-col a:hover{color:var(--c-accent);}
.foot-col .foot-txt{font-size:14px;color:var(--t-sub);line-height:2;}
.foot-bottom{border-top:1px solid #DFE8F1;padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
.foot-bottom p{margin:0;font-size:13px;color:var(--t-weak);}
.foot-bottom a{font-size:13px;color:var(--t-sub);}

/* 响应式 */
@media screen and (max-width:1023px){
  h1{font-size:36px;}
  h2{font-size:28px;}
  .hero{min-height:560px;padding:132px 0 72px;}
  .hero-title{font-size:34px;}
  .hero-media{padding-left:0;margin-top:48px;}
  .hero-shot img{height:300px;}
  .float-a{left:8px;}
  .float-b{right:8px;}
  .story-row,.story-row.reverse{flex-direction:column;gap:28px;}
  .story-media,.story-text{flex:1 1 100%;width:100%;}
  .story-media img{height:280px;}
  .section{padding:72px 0;}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
}
@media screen and (max-width:767px){
  .section{padding:56px 0;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .nav-inner{height:60px;padding:0 16px;}
  .brand-main{font-size:18px;}
  .brand-sub{font-size:11px;}
  .hero{padding:112px 0 56px;min-height:480px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;margin-bottom:32px;}
  .hero-actions .btn{flex:1 1 46%;padding:0 18px;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:22px;}
  .hero-shot img{height:220px;}
  .float-card{padding:12px 14px;}
  .float-a{width:170px;bottom:14px;}
  .float-b{width:150px;top:14px;}
  .float-card b{font-size:18px;}
  .claim-item{gap:14px;}
  .timeline{flex-direction:column;gap:22px;}
  .timeline::before{left:9px;top:0;bottom:0;width:1px;height:auto;right:auto;}
  .tl-item{padding-right:0;padding-left:0;}
  .feat-big .card-thumb img{height:200px;}
  .feat-small{flex-direction:column;align-items:flex-start;}
  .feat-small .thumb-sm{width:100%;flex:0 0 auto;height:160px;}
  .news-card{flex-direction:column;}
  .news-thumb{width:100%;flex:0 0 auto;height:170px;}
  .stats-band,.quote-grid{grid-template-columns:1fr;}
  .stat-item b{font-size:28px;}
  .cta-band{padding:56px 0;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{font-size:16px;padding-left:14px;}
  .logo-wall{gap:18px;}
  .logo-wall span{font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.news-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: article */
:root{
  --c-primary:#14548C;
  --c-primary-dark:#0E3F6B;
  --c-primary-light:#E7F0F8;
  --c-accent:#F0801E;
  --c-accent-dark:#D26C12;
  --c-teal:#17958F;
  --c-slate:#5A6C7D;
  --t-main:#16222E;
  --t-sub:#4C5D6E;
  --t-weak:#8A98A8;
  --bg-page:#F4F7FA;
  --bg-card:#FFFFFF;
  --line:#E4EBF2;
  --line-soft:#E6EDF5;
  --r-s:8px; --r-m:12px; --r-l:16px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,84,140,.06);
  --sh-2:0 12px 28px rgba(20,84,140,.14);
  --sh-3:0 8px 24px rgba(10,40,70,.10);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --head-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--head-h);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.35;color:var(--t-main)}
p{margin:0}
ul,ol{margin:0}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

.grid-container{max-width:1200px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-7) 0}
.section-sm{padding:var(--sp-6) 0}
.sec-head{margin-bottom:var(--sp-5)}
.sec-head h2{font-size:32px}
.sec-head p{margin-top:12px;color:var(--t-sub);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-primary);font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--head-h);
  background:rgba(255,255,255,.14);
  border-bottom:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 4px 18px rgba(10,40,70,.08);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header .brand-mark{background:var(--c-accent);color:#fff}
.site-header .brand-main{color:#fff}
.site-header .brand-sub{color:rgba(255,255,255,.82)}
.site-header .nav-links a{color:rgba(255,255,255,.88)}
.site-header .nav-links a:hover{color:#fff}
.site-header .search-btn{color:#fff;border-color:rgba(255,255,255,.34)}
.site-header.is-solid,
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-3);
}
.site-header.is-solid .brand-mark,
.site-header.is-scrolled .brand-mark{background:var(--c-primary);color:#fff}
.site-header.is-solid .brand-main,
.site-header.is-scrolled .brand-main{color:var(--t-main)}
.site-header.is-solid .brand-sub,
.site-header.is-scrolled .brand-sub{color:var(--t-weak)}
.site-header.is-solid .nav-links a,
.site-header.is-scrolled .nav-links a{color:var(--t-sub)}
.site-header.is-solid .nav-links a:hover,
.site-header.is-scrolled .nav-links a:hover{color:var(--c-primary)}
.site-header.is-solid .nav-links a.active,
.site-header.is-scrolled .nav-links a.active{color:var(--c-primary)}
.site-header.is-solid .search-btn,
.site-header.is-scrolled .search-btn{color:var(--c-primary);border-color:var(--line-soft)}

.header-inner{
  max-width:1200px;margin:0 auto;height:var(--head-h);
  padding:0 24px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;background:var(--c-primary);color:#fff;flex:0 0 auto;
  transition:background .2s ease;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.04em;transition:color .2s ease}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.28em;transition:color .2s ease}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1 1 auto}
.nav-links a{font-size:15px;font-weight:500;position:relative;padding:6px 0;transition:color .2s ease}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-wrap{display:flex;align-items:center;gap:8px}
.search-btn{
  width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--line-soft);background:transparent;
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px;
  transition:all .2s ease;
}
.search-btn:hover{background:var(--c-primary-light);color:var(--c-primary)}
.search-field{
  width:0;opacity:0;padding:0;border:1px solid var(--line-soft);border-radius:var(--r-s);
  height:40px;transition:width .22s ease,opacity .22s ease,padding .22s ease;background:#fff;
}
.search-wrap.open .search-field{width:180px;opacity:1;padding:0 12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;letter-spacing:.02em;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(20,84,140,.18)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(240,128,30,.22)}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary);border-color:var(--line-soft)}
.btn-light:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-nav{height:42px;padding:0 20px;font-size:14px}
.drawer-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-s);border:1px solid currentColor;
  background:transparent;color:inherit;font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.site-header .drawer-toggle{color:#fff}
.site-header.is-solid .drawer-toggle,
.site-header.is-scrolled .drawer-toggle{color:var(--c-primary)}

.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);z-index:1200;
  background:#fff;box-shadow:-12px 0 40px rgba(10,40,70,.16);
  transform:translateX(105%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:24px 22px;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{border:none;background:var(--c-primary-light);color:var(--c-primary);width:38px;height:38px;border-radius:10px;font-size:16px;cursor:pointer}
.drawer-group-title{font-size:12px;letter-spacing:.2em;color:var(--t-weak);margin:16px 0 8px}
.drawer-list{list-style:none;padding:0;margin:0}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{display:block;padding:14px 2px;font-size:15px;color:var(--t-sub)}
.drawer-list a.active,.drawer-list a:hover{color:var(--c-primary)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,63,107,.34);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:1100;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(231,240,248,.94) 0%,rgba(244,247,250,.98) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:52px 0 46px;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,128,30,.14),rgba(240,128,30,0) 70%);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-weak);margin-bottom:22px;position:relative;z-index:2}
.crumbs a{color:var(--t-sub)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs .sep{color:var(--t-weak);opacity:.7}
.crumbs .current{color:var(--t-main);max-width:34ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.cat-badge.teal{background:rgba(23,149,143,.12);color:var(--c-teal)}
.article-hero h1{
  font-size:44px;line-height:1.25;margin:18px 0 0;max-width:22ch;position:relative;z-index:2;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;margin-top:24px;
  font-size:14px;color:var(--t-sub);position:relative;z-index:2;
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-row i{color:var(--c-primary);font-size:13px}
.meta-divider{height:1px;background:var(--line);margin-top:26px;position:relative;z-index:2}

/* ---------- 文章主体 ---------- */
.article-section{padding:64px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.article-card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:44px 48px;
}
.article-body{font-size:16.5px;line-height:1.9;color:var(--t-sub)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:24px;line-height:1.45;color:var(--t-main);margin:40px 0 16px;
  padding-left:14px;border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:20px;color:var(--t-main);margin:30px 0 12px}
.article-body h4{font-size:18px;color:var(--t-main);margin:24px 0 10px}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body li{margin-bottom:10px}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;background:var(--c-primary-light);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--t-sub);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-m);margin:26px auto;width:100%;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--t-weak);text-align:center;margin-top:10px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(20,84,140,.28)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:rgba(240,128,30,.4)}
.article-body strong{color:var(--t-main)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
}
.article-body th{
  background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:700;
  padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--t-sub)}
.article-body tbody tr:nth-child(even){background:#FAFCFE}
.article-body tr:last-child td{border-bottom:none}
.article-body code{
  font-family:"SF Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-body pre{
  background:#0E3F6B;color:#E7F0F8;padding:20px 22px;border-radius:var(--r-m);
  overflow-x:auto;font-family:"SF Mono",ui-monospace,monospace;font-size:14px;line-height:1.7;margin:26px 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-l);
  background:#FBFDFF;
}
.empty-state i{font-size:34px;color:var(--c-slate);opacity:.5;margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--t-sub);margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:calc(var(--head-h) + 24px);display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:22px 22px 24px;
}
.side-card h3{
  font-size:15px;letter-spacing:.06em;margin-bottom:16px;padding-left:10px;
  border-left:3px solid var(--c-accent);line-height:1.2;
}
.toc-list{list-style:none;padding:0;margin:0}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;padding:9px 10px;border-radius:var(--r-s);font-size:14px;color:var(--t-sub);
  border-left:2px solid transparent;transition:all .18s ease;
}
.toc-list a:hover{background:var(--c-primary-light);color:var(--c-primary);border-left-color:var(--c-accent)}
.toc-list a.active{background:var(--c-primary-light);color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}
.hot-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:16px}
.hot-list li{display:flex;gap:12px;align-items:flex-start}
.hot-num{
  flex:0 0 22px;height:22px;border-radius:6px;background:var(--c-primary-light);color:var(--c-primary);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;
  font-family:"SF Mono",ui-monospace,monospace;
}
.hot-list li:nth-child(1) .hot-num{background:var(--c-accent);color:#fff}
.hot-list a{font-size:14px;color:var(--t-sub);line-height:1.6}
.hot-list a:hover{color:var(--c-primary)}
.side-cta{
  background:linear-gradient(150deg,var(--c-primary) 0%,#1B63A0 100%);
  color:#fff;border-radius:var(--r-l);padding:24px 22px;box-shadow:var(--sh-2);border:none;
}
.side-cta h3{color:#fff;border-left-color:rgba(255,255,255,.6);padding-left:10px;font-size:15px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.75;margin:10px 0 18px}
.side-cta .btn{width:100%;height:44px;background:#fff;color:var(--c-primary)}
.side-cta .btn:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}

/* ---------- 标签 / 分享 ---------- */
.tag-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:34px;padding-top:28px;border-top:1px solid var(--line);
}
.tag-bar .label{font-size:14px;color:var(--t-weak);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);font-size:13px;font-weight:500;
  transition:all .2s ease;
}
.tag:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px)}
.tag.teal{background:rgba(23,149,143,.12);color:var(--c-teal)}
.tag.teal:hover{background:var(--c-teal);color:#fff}
.share-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.share-bar .share-label{font-size:14px;color:var(--t-weak)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:#fff;
  color:var(--c-slate);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px)}

/* ---------- 相关推荐 ---------- */
.related-section{background:#fff;border-top:1px solid var(--line);padding:72px 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mini-card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.mini-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-light)}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.mini-thumb::after{content:"";position:absolute;inset:0;background:var(--c-primary);opacity:.08}
.mini-card:hover .mini-thumb img{transform:scale(1.03)}
.mini-body{padding:20px 22px 22px}
.mini-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-body .mini-meta{font-size:13px;color:var(--t-weak);display:flex;align-items:center;gap:8px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary-light);border-radius:var(--r-l);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid #D6E6F4;
}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{color:var(--t-sub);font-size:15px;max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#EEF3F8;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--t-sub);line-height:1.85;max-width:34ch}
.foot-col h4{font-size:16px;margin-bottom:16px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{line-height:36px}
.foot-col a{font-size:14px;color:var(--t-sub)}
.foot-col a:hover{color:var(--c-accent)}
.foot-txt{font-size:14px;color:var(--t-sub);line-height:2}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:var(--t-weak)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--head-h:60px}
  .nav-links{display:none}
  .header-actions .search-wrap{display:none}
  .header-actions .btn-nav{display:none}
  .drawer-toggle{display:flex}
  .header-inner{gap:16px;padding:0 18px}
  .container{padding:0 18px}
  .section{padding:72px 0}
  .sec-head h2{font-size:26px}
  .article-hero{padding:38px 0 34px}
  .article-hero h1{font-size:30px;max-width:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side-sticky{display:none}
  .article-card{padding:28px 22px}
  .article-section{padding:40px 0 64px}
  .related-grid{grid-template-columns:1fr}
  .related-section{padding:56px 0}
  footer.site-footer{padding:48px 0 24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:22px}
}
@media screen and (max-width:639px){
  .section{padding:56px 0}
  .brand-main{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:.2em}
  .article-hero h1{font-size:26px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-card{padding:22px 18px;border-radius:var(--r-m)}
  .foot-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .btn{height:44px;padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .mini-card:hover,.btn:hover,.icon-btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --c-primary:#14548C;
  --c-primary-dark:#0E3F6B;
  --c-primary-light:#E7F0F8;
  --c-accent:#F0801E;
  --c-accent-dark:#D26C12;
  --c-teal:#17958F;
  --c-slate:#5A6C7D;
  --t-main:#16222E;
  --t-sub:#4C5D6E;
  --t-weak:#8A98A8;
  --c-bg:#F4F7FA;
  --c-card:#FFFFFF;
  --c-line:#E4EBF2;
  --c-line-2:#E6EDF5;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,84,140,.06);
  --sh-2:0 12px 28px rgba(20,84,140,.14);
  --sh-3:0 8px 24px rgba(10,40,70,.10);
  --sp1:8px;--sp2:16px;--sp3:24px;--sp4:32px;--sp5:48px;--sp6:64px;--sp7:96px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:var(--t-main)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:72px;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 4px 18px rgba(10,40,70,.08);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-3);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;line-height:1}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-accent),var(--c-accent-dark));
  color:#fff;font-weight:700;font-size:17px;
}
.brand-main{font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;transition:color .2s ease}
.brand-sub{font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.06em;transition:color .2s ease}
.site-header.is-scrolled .brand-main{color:var(--t-main)}
.site-header.is-scrolled .brand-sub{color:var(--t-weak)}
.nav-links{display:flex;align-items:center;gap:28px;flex:1 1 auto;justify-content:center}
.nav-links a{
  position:relative;font-size:15px;color:rgba(255,255,255,.92);
  padding:6px 0;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active{font-weight:700}
.site-header.is-scrolled .nav-links a{color:var(--t-sub)}
.site-header.is-scrolled .nav-links a:hover,.site-header.is-scrolled .nav-links a.active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-wrap{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  transition:background .2s ease,border-color .2s ease,width .2s ease;
}
.search-wrap i{font-size:14px;color:rgba(255,255,255,.85);transition:color .2s ease}
.search-wrap input{
  width:118px;border:0;background:transparent;outline:none;
  color:#fff;font-size:14px;
}
.search-wrap input::placeholder{color:rgba(255,255,255,.72)}
.site-header.is-scrolled .search-wrap{background:var(--c-bg);border-color:var(--c-line)}
.site-header.is-scrolled .search-wrap i{color:var(--t-weak)}
.site-header.is-scrolled .search-wrap input{color:var(--t-main)}
.site-header.is-scrolled .search-wrap input::placeholder{color:var(--t-weak)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:10px;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(240,128,30,.28)}
.btn-accent:hover{background:var(--c-accent-dark);box-shadow:0 10px 22px rgba(210,108,18,.3)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(20,84,140,.22)}
.btn-primary:hover{background:var(--c-primary-dark)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light)}
.btn-white{background:#fff;color:var(--c-primary);box-shadow:0 6px 18px rgba(10,40,70,.14)}
.btn-white:hover{background:#F2F7FC}
.btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:9px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  color:#fff;font-size:18px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
}
.site-header.is-scrolled .nav-toggle{color:var(--c-primary);background:var(--c-bg);border-color:var(--c-line)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:200;
  background:#fff;box-shadow:-12px 0 32px rgba(10,40,70,.16);
  transform:translateX(102%);transition:transform .25s ease;
  padding:24px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-head span{font-size:16px;font-weight:700}
.drawer-close{width:40px;height:40px;border-radius:10px;background:var(--c-bg);color:var(--t-sub);display:grid;place-items:center}
.drawer-nav{display:grid;gap:4px}
.drawer-nav a{padding:14px 12px;border-radius:10px;font-size:15px;color:var(--t-sub);transition:background .18s ease,color .18s ease}
.drawer-nav a:hover{background:var(--c-primary-light)}
.drawer-nav a.active{background:var(--c-primary-light);color:var(--c-primary);font-weight:700}
.drawer-cta{margin-top:24px}
.drawer-cta .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,40,70,.32);z-index:190;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;min-height:320px;display:flex;align-items:flex-end;
  padding:132px 0 48px;overflow:hidden;color:#fff;
}
.banner-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.banner-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,45,78,.80) 0%,rgba(20,84,140,.74) 100%)}
.banner-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.9);transition:color .18s ease}
.crumb a:hover{color:#fff}
.crumb span[aria-current]{color:rgba(255,255,255,.72)}
.page-banner h1{font-size:44px;line-height:1.25;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.banner-lead{max-width:660px;font-size:16px;color:rgba(255,255,255,.9)}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.4;
  background:var(--c-primary-light);color:var(--c-primary);
}
.badge-teal{background:#E2F4F3;color:#0D6E69}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3)}

/* ---------- 主体布局 ---------- */
.layout{padding:64px 0 96px}
.main-grid{display:grid;grid-template-columns:276px minmax(0,1fr);gap:48px;align-items:start}
.anchor-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.anchor-title{font-size:15px;letter-spacing:.04em;color:var(--t-weak);font-weight:700;margin-bottom:14px}
.anchor-list{display:grid;gap:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:15px;color:var(--t-sub);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.anchor-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-line);transition:background .18s ease}
.anchor-list a:hover{background:var(--c-primary-light);color:var(--c-primary);padding-left:16px}
.anchor-list a:hover::before{background:var(--c-accent)}
.anchor-help{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--t-weak);line-height:1.7;
}
.anchor-help a{color:var(--c-primary);font-weight:700}
.content-col{display:grid;gap:64px}
.block{scroll-margin-top:96px}
.block-head{margin-bottom:28px}
.block-head h2{
  position:relative;font-size:32px;line-height:1.35;padding-left:18px;
}
.block-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:var(--c-primary);
}
.block-head p{margin-top:12px;color:var(--t-sub);max-width:640px}
.divider{height:1px;background:var(--c-line)}

/* 图文说明块 */
.intro-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.intro-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.intro-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-lg);transition:transform .25s ease}
.intro-media::after{content:"";position:absolute;inset:0;background:rgba(20,84,140,.08);pointer-events:none}
.intro-media:hover img{transform:scale(1.03)}
.intro-media::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;z-index:3;
  background:var(--c-primary);border-radius:3px;
}
.intro-text h3{font-size:22px;margin-bottom:14px}
.intro-text p{color:var(--t-sub);margin-bottom:14px}
.intro-points{display:grid;gap:10px;margin-top:20px}
.intro-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t-sub)}
.intro-points i{color:var(--c-accent);margin-top:5px;font-size:13px}

/* 编号要点列表 */
.step-list{display:grid;gap:16px}
.step-item{
  display:flex;gap:20px;padding:24px;
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6E5F2}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;font-family:var(--mono);font-size:15px;font-weight:700;
  background:var(--c-primary-light);color:var(--c-primary);
}
.step-body h3{font-size:18px;margin-bottom:6px}
.step-body p{font-size:15px;color:var(--t-sub);margin-bottom:6px}
.step-body p:last-child{margin-bottom:0}

/* 数据卡组 */
.stat-grid{display:grid;grid-template-columns:1fr 1fr 1.55fr;gap:20px}
.stat-card{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;gap:8px;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{font-family:var(--mono);font-size:34px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-num em{font-style:normal;font-size:16px;color:var(--t-weak);margin-left:4px}
.stat-label{font-size:15px;font-weight:700}
.stat-desc{font-size:14px;color:var(--t-sub);line-height:1.7}
.stat-card-wide{background:linear-gradient(150deg,#fff 0%,#F7FBFF 100%)}
.stat-card-wide .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--c-line-2);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.open{border-color:#CFE1F1;box-shadow:var(--sh-2)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:64px;padding:18px 24px 18px 30px;text-align:left;
  font-size:17px;font-weight:700;color:var(--t-main);
}
.faq-q::before{
  content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--c-accent);
}
.faq-q i{color:var(--c-slate);font-size:16px;transition:transform .25s ease;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;background:#F8FAFC}
.faq-a-inner{padding:4px 24px 20px 30px;font-size:15px;color:var(--t-sub);line-height:1.85}
.faq-item.open .faq-a{max-height:420px}

/* CTA */
.cta-band{
  background:var(--c-primary-light);
  border-radius:20px;padding:48px;
  display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
  border:1px solid #D8E7F4;
  scroll-margin-top:96px;
}
.cta-band h2{font-size:28px;margin-bottom:12px}
.cta-band p{color:var(--t-sub);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-note{margin-top:14px;font-size:13px;color:var(--t-weak);text-align:right}

/* ---------- 页脚 ---------- */
.site-footer{background:#EEF3F8;border-top:1px solid var(--c-line);padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand .brand-mark{background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark))}
.foot-brand .brand-main{color:var(--t-main)}
.foot-brand .brand-sub{color:var(--t-weak)}
.foot-brand p{font-size:14px;color:var(--t-sub);max-width:320px;line-height:1.8}
.foot-col h4{font-size:16px;margin-bottom:16px}
.foot-col ul{display:grid;gap:0}
.foot-col li a{display:inline-block;font-size:14px;color:var(--t-sub);line-height:36px;transition:color .18s ease,padding-left .18s ease}
.foot-col li a:hover{color:var(--c-accent);padding-left:4px}
.foot-txt{font-size:14px;color:var(--t-sub);line-height:32px}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--c-line);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
}
.foot-bottom p{font-size:13px;color:var(--t-weak)}

@media (max-width:1023px){
  .nav-links{display:none}
  .search-wrap{display:none}
  .nav-toggle{display:inline-flex}
  .grid-container{padding-left:20px;padding-right:20px}
  .page-banner{padding:112px 0 44px;min-height:300px}
  .page-banner h1{font-size:34px}
  .layout{padding:48px 0 72px}
  .main-grid{grid-template-columns:1fr;gap:32px}
  .anchor-card{position:static}
  .anchor-list{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto;gap:8px;padding-bottom:4px}
  .anchor-list a{white-space:nowrap;background:var(--c-bg)}
  .anchor-list a::before{display:none}
  .anchor-help{display:none}
  .content-col{gap:48px}
  .block-head h2{font-size:26px}
  .intro-block{grid-template-columns:1fr;gap:24px}
  .intro-media img{height:260px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat-card-wide{grid-column:span 2}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:24px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  body{font-size:15.5px}
  .page-banner{min-height:280px;padding:104px 0 36px}
  .page-banner h1{font-size:28px}
  .banner-lead{font-size:15px}
  .layout{padding:40px 0 56px}
  .block-head h2{font-size:23px;padding-left:14px}
  .content-col{gap:40px}
  .step-item{padding:20px;gap:16px}
  .step-num{flex:0 0 38px;width:38px;height:38px;font-size:14px}
  .stat-grid{grid-template-columns:1fr}
  .stat-card-wide{grid-column:span 1}
  .stat-num{font-size:28px}
  .faq-q{font-size:16px;padding:16px 18px 16px 28px}
  .faq-a-inner{padding:4px 18px 18px 28px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .step-item:hover,.stat-card:hover,.btn:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#14548C;
  --c-primary-dark:#0E3F6B;
  --c-primary-light:#E7F0F8;
  --c-accent:#F0801E;
  --c-accent-dark:#D26C12;
  --c-teal:#17958F;
  --c-slate:#5A6C7D;
  --c-danger:#C9482F;

  --t-main:#16222E;
  --t-sub:#4C5D6E;
  --t-weak:#8A98A8;

  --bg:#F4F7FA;
  --card:#FFFFFF;
  --line:#E4EBF2;
  --border:#E6EDF5;
  --input-border:#D8E2EC;

  --sh-1:0 2px 8px rgba(20,84,140,.06);
  --sh-2:0 12px 28px rgba(20,84,140,.14);
  --sh-3:0 8px 24px rgba(10,40,70,.10);

  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-p:999px;

  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;

  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

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

html{scroll-behavior:smooth;scroll-padding-top:96px}

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}

h1,h2,h3,h4{margin:0 0 16px;font-weight:700;letter-spacing:.02em;color:var(--t-main);line-height:1.3}
h1{font-size:44px;line-height:1.25}
h2{font-size:32px}
h3{font-size:22px;line-height:1.4}
h4{font-size:18px;line-height:1.45}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.grid-container{max-width:1248px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-align:center;
  transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:0 10px 22px rgba(20,84,140,.22)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff;box-shadow:0 10px 22px rgba(240,128,30,.24)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:var(--c-primary-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{display:flex;width:100%}

.icon-btn{
  width:40px;height:40px;padding:0;border-radius:10px;
  border:1px solid rgba(20,84,140,.18);background:rgba(255,255,255,.62);
  color:var(--c-primary-dark);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.icon-btn:hover{background:#fff;color:var(--c-primary);border-color:rgba(20,84,140,.34);transform:translateY(-1px)}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-p);
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:13px;font-weight:500;line-height:1.4;
}
.pill-teal{background:#E2F3F2;color:#0F6C68}
.pill-accent{background:#FDEEE0;color:#B45F0D}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(20,84,140,.12);
  box-shadow:0 6px 20px rgba(10,40,70,.06);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-3);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}

.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.brand:hover{color:inherit}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--c-accent);color:#fff;font-size:17px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-main{font-size:19px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.02em}
.brand-sub{font-size:13px;color:var(--t-weak);letter-spacing:.06em;padding-top:2px}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-primary-dark);
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(20,84,140,.09);color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--c-accent);border-radius:2px;
}

.header-actions{display:flex;align-items:center;gap:12px}

.search-panel{display:none}
.search-panel.open{display:block;border-top:1px solid rgba(20,84,140,.10);background:rgba(255,255,255,.96);padding:16px 0 20px}
.search-form{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--input-border);border-radius:10px;padding:6px 6px 6px 16px;max-width:720px}
.search-form i{color:var(--t-weak)}
.search-form input{flex:1;height:40px;border:0;background:transparent;font-size:15px;color:var(--t-main);outline:none}
.search-form input::placeholder{color:var(--t-weak)}

.menu-toggle{display:none}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(10,30,50,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:320px;max-width:88vw;
  background:#fff;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .28s ease;
  box-shadow:-12px 0 32px rgba(10,40,70,.16);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 12px;flex:1}
.drawer-nav a{padding:14px 16px;border-radius:10px;font-size:16px;font-weight:500;color:var(--t-main)}
.drawer-nav a:hover{background:var(--bg);color:var(--c-primary)}
.drawer-nav a.active{background:var(--c-primary-light);color:var(--c-primary);font-weight:600}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#E7F0F8 0%,#F4F7FA 55%,#EAF3FA 100%);
  padding:120px 0 56px;
}
.cat-hero::before{
  content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,128,30,.14),rgba(240,128,30,0) 68%);
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:center;
  min-height:260px;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-weak);margin-bottom:22px}
.crumb a{color:var(--t-sub)}
.crumb a:hover{color:var(--c-accent)}
.crumb i{font-size:10px;color:var(--t-weak)}
.crumb span{color:var(--t-main);font-weight:500}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);background:rgba(255,255,255,.8);
  padding:6px 12px;border-radius:var(--r-p);margin-bottom:18px;
  border:1px solid rgba(20,84,140,.12);
}
.cat-hero h1{font-size:40px;margin-bottom:14px}
.hero-lead{font-size:17px;color:var(--t-sub);max-width:560px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}

.hero-art{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--sh-2);background:#fff;
}
.hero-art img{width:100%;height:216px;object-fit:cover;transition:transform .3s ease}
.hero-art:hover img{transform:scale(1.03)}
.hero-art::after{content:"";position:absolute;inset:0;background:rgba(20,84,140,.08);pointer-events:none}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.sec-white{background:#fff}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--t-sub);margin:0;font-size:16px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-accent);letter-spacing:.08em;margin-bottom:14px;
}
.sec-tag::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--c-accent);display:block}

/* ---------- 步骤条 ---------- */
.steps{max-width:920px}
.step{
  display:flex;gap:28px;align-items:flex-start;
  padding:28px 0;border-bottom:1px dashed var(--line);
}
.step:first-child{padding-top:8px}
.step:last-child{border-bottom:0;padding-bottom:8px}
.step-num{
  flex:0 0 64px;width:64px;height:64px;border-radius:50%;
  border:2px solid var(--c-primary);color:var(--c-primary);background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:20px;font-weight:700;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.step:hover .step-num{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-2px)}
.step-body{padding-top:6px}
.step-body h3{margin-bottom:8px}
.step-body p{color:var(--t-sub);margin:0;font-size:15px;line-height:1.9}

/* ---------- 状态卡组 ---------- */
.status-grid{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:24px}
.s-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-l);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.s-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E6F3}
.s-card .s-ico{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-light);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:18px;
}
.s-card-wide .s-ico{background:#FDEEE0;color:var(--c-accent-dark)}
.s-card h3{font-size:19px;margin-bottom:10px}
.s-card p{color:var(--t-sub);font-size:15px;margin:0;line-height:1.9}
.s-card-wide{background:linear-gradient(135deg,#FFFFFF 0%,#F7FBFE 100%)}

/* ---------- 对比表 ---------- */
.cmp-wrap{
  border:1px solid var(--border);border-radius:var(--r-m);background:#fff;
  overflow-x:auto;box-shadow:var(--sh-1);
}
table.cmp{width:100%;min-width:620px;border-collapse:collapse;margin:0}
.cmp caption{caption-side:top;text-align:left;padding:0 0 12px;color:var(--t-weak);font-size:13px}
.cmp thead th{
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:15px;font-weight:600;text-align:left;
  height:56px;padding:0 24px;border-bottom:1px solid #D8E6F3;
  white-space:nowrap;
}
.cmp tbody td{
  height:52px;padding:14px 24px;font-size:15px;color:var(--t-main);
  border-bottom:1px solid var(--line);vertical-align:middle;
}
.cmp tbody tr:nth-child(even){background:#FAFCFE}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody td:first-child{color:var(--t-sub);font-weight:500;width:30%}
.cmp tbody tr:hover{background:#F4F9FD}

/* ---------- 宽幅图文卡 ---------- */
.wide-card{
  display:grid;grid-template-columns:1fr 1fr;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);
}
.wc-media{position:relative;min-height:340px;background:#DCE8F3}
.wc-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.wc-media::after{content:"";position:absolute;inset:0;background:rgba(20,84,140,.08)}
.wc-body{padding:48px 44px}
.wc-body h3{font-size:24px;margin-bottom:14px}
.wc-body > p{color:var(--t-sub);font-size:15px}
.wc-list{margin-top:24px}
.wc-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-top:1px dashed var(--line);
  font-size:15px;color:var(--t-sub);line-height:1.9;
}
.wc-list li:first-child{border-top:0;padding-top:0}
.wc-list i{color:var(--c-accent);margin-top:6px;font-size:13px;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  margin-bottom:16px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:#D8E6F3}
.faq-item.open{box-shadow:var(--sh-1);border-color:#D8E6F3}
.faq-q{
  width:100%;display:flex;align-items:center;
  min-height:64px;padding:14px 24px;border:0;background:transparent;
  text-align:left;font-size:17px;font-weight:600;color:var(--t-main);
  cursor:pointer;transition:color .2s ease;
}
.faq-q::before{
  content:"";flex:0 0 3px;width:3px;height:18px;border-radius:2px;
  background:var(--c-accent);margin-right:16px;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .q-text{flex:1}
.faq-q .chev{
  width:20px;height:20px;flex:0 0 20px;margin-left:16px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);transition:transform .25s ease;
}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{
  margin:0;padding:0 24px 22px 43px;color:var(--t-sub);
  font-size:15px;line-height:1.9;background:#FBFDFF;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#E7F0F8 0%,#EFF6FC 60%,#FDF1E6 100%);
  border:1px solid #D8E6F3;border-radius:20px;
  padding:52px 48px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:28px;margin-bottom:12px}
.cta-band p{color:var(--t-sub);margin:0;font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:#EEF3F8;border-top:1px solid var(--line);margin-top:96px;padding-top:72px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand p{color:var(--t-sub);font-size:14px;line-height:1.9;margin:18px 0 0;max-width:330px}
.foot-col h4{font-size:16px;margin-bottom:18px;color:var(--t-main)}
.foot-col ul li{margin-bottom:14px}
.foot-col ul li a{font-size:14px;color:var(--t-sub)}
.foot-col ul li a:hover{color:var(--c-accent)}
.foot-txt{font-size:14px;color:var(--t-sub);line-height:2}
.foot-bottom{
  margin-top:56px;border-top:1px solid var(--line);
  padding:24px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.foot-bottom p{margin:0;font-size:13px;color:var(--t-weak)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:64px}
  .site-header{background:rgba(255,255,255,.84)}
  .cat-hero{padding:104px 0 48px}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;min-height:0}
  .hero-art img{height:200px}
  .cat-hero h1{font-size:34px}
  .section{padding:72px 0}
  .status-grid{grid-template-columns:1fr 1fr}
  .status-grid .s-card-wide{grid-column:1 / -1}
  .wide-card{grid-template-columns:1fr}
  .wc-media{min-height:240px}
  .wc-body{padding:36px 32px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px}
}

@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .cat-hero h1{font-size:28px}
  .hero-lead{font-size:15px}
  .btn{height:44px;padding:0 20px;font-size:14px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .step{gap:16px;padding:22px 0}
  .step-num{flex:0 0 52px;width:52px;height:52px;font-size:17px}
  .step-body h3{font-size:18px}
  .status-grid{grid-template-columns:1fr}
  .s-card{padding:22px 20px}
  .wc-body{padding:28px 22px}
  .wc-body h3{font-size:20px}
  .faq-q{font-size:16px;padding:12px 18px}
  .faq-a p{padding:0 18px 20px 37px}
  .cta-band{padding:32px 22px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:56px;margin-top:56px}
  .foot-bottom{flex-direction:column;margin-top:36px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .btn:hover,.s-card:hover,.icon-btn:hover,.step:hover .step-num{transform:none !important}
}