/* roulang page: index */
:root{
  --primary:#2E6F7E;
  --primary-dark:#23545F;
  --primary-light:#E8F1F0;
  --primary-soft:#F1F7F6;
  --mist:#7FA6A0;
  --gold:#C79552;
  --gold-dark:#B8843F;
  --gold-light:#F5EADB;
  --bg:#F5F8F7;
  --paper:#FFFFFF;
  --ink:#14282D;
  --ink-2:#566C70;
  --ink-3:#7C9195;
  --line:#D9E5E2;
  --success:#2F7D5B;
  --error:#B34A44;
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-s:0 10px 30px rgba(20,60,70,.08);
  --shadow-h:0 16px 40px rgba(20,60,70,.12);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
time{font-variant-numeric:tabular-nums}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.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}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(20,60,70,.08)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary) 0%,#3C8A99 100%);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(46,111,126,.24);
}
.brand-mark svg{width:22px;height:22px;display:block}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.nav-desktop{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 0;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease);
  display:inline-flex;align-items:center;min-height:44px;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%);
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--primary-dark);font-weight:600}
.nav-link.is-active::after{width:20px}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,126,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(46,111,126,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(46,111,126,.22)}
.btn-ghost{background:#fff;color:var(--primary-dark);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--mist)}
.btn-gold{background:var(--gold);color:#241a0d;box-shadow:0 8px 20px rgba(199,149,82,.28)}
.btn-gold:hover{background:var(--gold-dark);color:#fff;transform:translateY(-1px)}
.btn-gold:active{transform:translateY(0)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .2s var(--ease),top .2s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:120;
  background:#fff;box-shadow:-18px 0 40px rgba(20,60,70,.16);
  transform:translateX(102%);transition:transform .3s var(--ease);
  padding:20px 22px 32px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-2);
}
.drawer-close:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:12px;font-size:16px;font-weight:500;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{background:var(--primary-light);color:var(--primary-dark)}
.drawer-foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-3);line-height:1.9}
.drawer-foot strong{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:4px}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
  background:linear-gradient(180deg,#EDF4F2 0%,#F7FBFA 58%,#FFFFFF 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.07;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-180px;top:-220px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,149,82,.20),rgba(199,149,82,0) 68%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.9);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--primary-dark);letter-spacing:.02em;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.hero h1{
  margin-top:22px;
  font-size:clamp(2.2rem,4.2vw,3.3rem);
  line-height:1.2;
  color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--primary);position:relative}
.hero-sub{
  margin-top:20px;max-width:560px;
  font-size:17px;line-height:1.85;color:var(--ink-2);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-points li{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}
.hero-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--mist);display:inline-block;
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-h);
  border:1px solid rgba(255,255,255,.7);
}
.hero-float{
  position:absolute;left:-26px;bottom:-30px;
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;background:#fff;border-radius:var(--radius-m);
  border:1px solid var(--line);box-shadow:var(--shadow-h);
}
.hero-float .hf-num{
  font-size:26px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1;
}
.hero-float .hf-txt{font-size:13px;color:var(--ink-2);line-height:1.5}
.hero-badge{
  position:absolute;right:-14px;top:18px;
  padding:9px 16px;border-radius:var(--radius-pill);
  background:var(--gold);color:#241a0d;font-size:13px;font-weight:600;
  box-shadow:0 10px 24px rgba(199,149,82,.3);
}

/* ============ 信任条 ============ */
.trust-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:26px 0}
.trust-item{display:flex;gap:12px;align-items:flex-start}
.trust-item .ti-icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  background:var(--primary-light);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
}
.trust-item .ti-icon svg{width:19px;height:19px}
.trust-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.trust-item span{display:block;font-size:13.5px;color:var(--ink-3);line-height:1.6;margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--paper)}
.section-head{max-width:740px;margin-bottom:48px}
.section-head h2{font-size:clamp(1.6rem,2.5vw,2.35rem);color:var(--ink)}
.section-head p{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--ink-2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow-line{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--primary);
  margin-bottom:14px;
}
.eyebrow-line::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--primary-dark);
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.text-link:hover{gap:11px;color:var(--primary)}
.text-link::after{content:"→";font-weight:400}

/* ============ 痛点 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.pain-card{
  position:relative;padding:28px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;gap:10px;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#C9DCD8}
.pain-num{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.pain-card h3{font-size:1.2rem;color:var(--ink)}
.pain-card p{font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ 能力方案 ============ */
.solution-grid{display:grid;grid-template-columns:1.24fr 1fr;gap:24px}
.solution-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.solution-main{grid-row:span 2}
.solution-media{position:relative;overflow:hidden}
.solution-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.solution-card:hover .solution-media img{transform:scale(1.02)}
.solution-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(46,111,126,.10),rgba(46,111,126,.02));
}
.solution-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.solution-tag{
  align-self:flex-start;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.solution-card h3{font-size:1.25rem;color:var(--ink)}
.solution-card p{font-size:15px;line-height:1.8;color:var(--ink-2)}
.solution-list{display:flex;flex-direction:column;gap:7px;margin-top:2px}
.solution-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);line-height:1.7;
}
.solution-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--mist);
}
.solution-foot{margin-top:auto;padding-top:16px}

/* ============ 数据条 ============ */
.metrics-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#23545F 0%,#2E6F7E 62%,#357A8A 100%);
  color:#fff;
  border-radius:var(--radius-l);
  padding:52px 48px 44px;
  box-shadow:0 24px 60px rgba(35,84,95,.22);
}
.metrics-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.metrics-head{position:relative;z-index:2;max-width:640px}
.metrics-head h2{font-size:clamp(1.5rem,2.2vw,2.05rem);color:#fff}
.metrics-head p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.78);line-height:1.8}
.metrics-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  margin-top:38px;
}
.metric{
  padding:22px 20px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.metric:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.metric .m-num{
  font-size:clamp(1.8rem,3vw,2.4rem);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;color:#fff;
}
.metric .m-num small{font-size:.45em;font-weight:600;margin-left:4px;color:rgba(255,255,255,.78)}
.metric .m-label{margin-top:8px;font-size:14px;font-weight:600;color:#fff}
.metric .m-note{margin-top:4px;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.66)}
.metrics-foot{
  position:relative;z-index:2;margin-top:26px;
  font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7;
}

/* ============ 最新信息 ============ */
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.latest-head .section-head{margin-bottom:0}
.posts-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px 26px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  min-height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#C9DCD8}
.post-card:first-child{grid-column:span 2}
.post-badge{
  align-self:flex-start;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;
  border:1px solid #DCEAE7;
}
.post-title{
  font-size:1.08rem;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:first-child .post-title{font-size:1.28rem;-webkit-line-clamp:2}
.post-excerpt{
  font-size:14.5px;line-height:1.78;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);
}
.post-more{font-weight:600;color:var(--primary-dark);transition:color .2s var(--ease)}
.post-card:hover .post-more{color:var(--primary)}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:48px 24px;border-radius:var(--radius-m);
  background:var(--primary-soft);border:1px dashed #C9DCD8;
  color:var(--ink-2);font-size:15px;text-align:center;
}
.empty-state strong{font-size:15.5px;color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  overflow:hidden;
}
.faq-item:hover{border-color:#C9DCD8}
.faq-item.is-open{border-color:#BFD8D3;box-shadow:var(--shadow-h)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 24px 16px 22px;
  text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  border-left:3px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:var(--primary-soft);border-left-color:var(--mist)}
.faq-item.is-open .faq-q{color:var(--primary-dark);border-left-color:var(--primary)}
.faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--primary-light);
  transition:transform .28s var(--ease),background .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary-dark);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:#D7E9E6}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:0 24px 22px 22px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
  border-left:3px solid var(--primary);
  margin-left:0;
}
.faq-a p{padding-left:22px}

/* ============ CTA 横带 ============ */
.cta-band{
  background:linear-gradient(180deg,var(--primary-light) 0%,#DDEBE8 100%);
  border-top:1px solid #CFE1DE;
  border-bottom:1px solid #CFE1DE;
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(1.4rem,2.1vw,1.95rem);color:var(--primary-dark)}
.cta-inner p{margin-top:10px;font-size:15.5px;color:#3D5A5F;line-height:1.8;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  background:#14282D;color:#B9CCC9;
  padding:64px 0 0;
  border-top:3px solid var(--primary);
}
.footer-grid{
  display:grid;grid-template-columns:1.55fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none;background:linear-gradient(135deg,#3C8A99,#2E6F7E)}
.footer-brand .brand-name{color:#FFFFFF;font-size:18px}
.footer-desc{font-size:14.5px;line-height:1.85;color:#93AAA8;max-width:340px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#B9CCC9}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact i{
  width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;flex:0 0 auto;
}
.footer-col h3{
  font-size:14px;font-weight:600;color:#FFFFFF;letter-spacing:.06em;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;color:#93AAA8;transition:color .2s var(--ease);
  display:inline-flex;align-items:center;min-height:28px;
}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E979A;
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:#93AAA8}
.footer-bottom a:hover{color:var(--gold)}

/* ============ 弹层表单 ============ */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.is-open{display:block}
.modal-overlay{
  position:absolute;inset:0;background:rgba(20,40,45,.5);
  animation:fadeIn .22s var(--ease);
}
.modal-dialog{
  position:relative;
  width:min(620px,calc(100% - 40px));
  margin:6vh auto 0;
  background:#fff;border-radius:var(--radius-l);
  padding:32px 32px 28px;
  max-height:88vh;overflow-y:auto;
  box-shadow:0 30px 80px rgba(10,30,35,.34);
  animation:popIn .26s var(--ease);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--ink-3);border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:var(--primary-light);color:var(--primary-dark)}
.modal-head{margin-bottom:22px;padding-right:44px}
.modal-head h2{font-size:1.45rem;color:var(--ink)}
.modal-head p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--error);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#C2D8D4}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,111,126,.14);
}
.field .err-msg{font-size:12.5px;color:var(--error);display:none}
.field.has-error .err-msg{display:block}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--error)}
.consent{display:flex;align-items:flex-start;gap:10px;margin-top:6px}
.consent input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--primary)}
.consent label{font-size:13px;line-height:1.7;color:var(--ink-2);font-weight:400}
.form-privacy{margin-top:10px;font-size:12.5px;line-height:1.75;color:var(--ink-3)}
.form-submit{margin-top:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-submit .btn{flex:1 1 200px}
.lead-success{
  display:none;flex-direction:column;align-items:center;text-align:center;gap:12px;
  padding:36px 20px 28px;
}
.lead-success.is-visible{display:flex}
.lead-success .ok-icon{
  width:60px;height:60px;border-radius:50%;background:var(--primary-light);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--success);font-size:28px;font-weight:700;
}
.lead-success h3{font-size:1.25rem;color:var(--ink)}
.lead-success p{font-size:14.5px;color:var(--ink-2);line-height:1.8;max-width:420px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-desktop{gap:18px}
  .nav-link{font-size:14.5px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .header-actions .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-sub{max-width:none}
  .hero-visual{max-width:560px}
  .hero-visual img{aspect-ratio:16/10}
  .hero-float{left:12px;bottom:-24px;padding:14px 18px}
  .section{padding:72px 0}
  .solution-grid{grid-template-columns:1fr}
  .solution-main{grid-row:auto}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metrics-band{padding:40px 30px 32px}
  .posts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-card:first-child{grid-column:span 2}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:68px;gap:12px}
  .brand-name{font-size:17px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .hero h1{font-size:clamp(1.9rem,7vw,2.4rem)}
  .hero-sub{font-size:16px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-points{gap:8px}
  .hero-points li{font-size:12.5px;padding:7px 13px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .pain-grid{grid-template-columns:1fr;gap:16px}
  .pain-card{padding:22px}
  .trust-list{grid-template-columns:1fr;gap:16px;padding:22px 0}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px}
  .metrics-band{padding:32px 22px 26px;border-radius:var(--radius-m)}
  .metric{padding:16px 14px}
  .posts-grid{grid-template-columns:1fr}
  .post-card:first-child{grid-column:span 1}
  .post-card{padding:22px}
  .latest-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .faq-q{font-size:15.5px;padding:14px 18px;min-height:60px}
  .faq-a p{padding:0 18px 18px 18px;font-size:14.5px}
  .cta-band{padding:44px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .site-footer{padding-top:48px}
  .modal-dialog{
    width:100%;margin:0;position:absolute;bottom:0;left:0;right:0;
    border-radius:20px 20px 0 0;max-height:92vh;padding:26px 20px 24px;
    animation:slideUp .28s var(--ease);
  }
  @keyframes slideUp{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}
  .form-grid{grid-template-columns:1fr}
  .modal-head h2{font-size:1.3rem}
}
@media (max-width:480px){
  .hero h1{font-size:1.75rem}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric .m-num{font-size:1.6rem}
  .metric .m-label{font-size:13px}
  .hero-badge{right:0;top:10px;font-size:12px;padding:7px 12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --primary:#2E6F7E;
  --primary-dark:#23545F;
  --primary-light:#E8F1F0;
  --mist:#7FA6A0;
  --gold:#C79552;
  --bg:#F5F8F7;
  --paper:#FFFFFF;
  --ink:#14282D;
  --text-2:#566C70;
  --line:#D9E5E2;
  --success:#2F7D5B;
  --danger:#B34A44;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-soft:0 10px 30px rgba(20,60,70,.08);
  --shadow-hover:0 16px 40px rgba(20,60,70,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
input,textarea,select{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮与徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,126,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(35,84,95,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(35,84,95,.22)}
.btn-ghost{background:var(--paper);color:var(--primary-dark);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--mist)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-gold{background:#F7EEE1;color:#8E6425}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);
  font-size:13px;color:var(--text-2);transition:.2s;
}
.tag:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--mist)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,70,.08)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#357F8F,#23545F);
  box-shadow:0 6px 16px rgba(35,84,95,.28);
  flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-link.is-active{color:var(--primary-dark);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper);
  align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--primary-dark)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--primary-dark);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:min(330px,86vw);height:100%;
  padding:20px 20px 32px;
  background:var(--paper);
  box-shadow:-24px 0 60px rgba(20,40,45,.18);
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;gap:4px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--primary-light);color:var(--primary-dark);
  font-size:22px;line-height:1;display:grid;place-items:center;
}
.drawer-close:hover{background:#DCEBEA}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:12px;font-size:16px;color:var(--text-2);font-weight:500;
}
.drawer-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-link.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.drawer-foot{
  margin-top:auto;padding:16px;border-radius:14px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:14px;line-height:1.8;
}
.drawer-foot strong{display:block;margin-bottom:4px;font-size:15px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;color:var(--text-2);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{
  max-width:min(360px,52vw);overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;color:var(--ink);font-weight:500;
}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:38px 0 38px;
  background:linear-gradient(180deg,#EDF4F3 0%,#F5F8F7 100%);
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-80px;top:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,166,160,.18),rgba(127,166,160,0) 70%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.article-hero h1{
  font-size:clamp(1.85rem,3.3vw,2.85rem);
  line-height:1.32;
  max-width:900px;
  margin:16px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--text-2);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--mist);display:inline-block}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;align-items:start;
  padding:52px 0 76px;
}
.article-body-wrap{min-width:0}
.article-body{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  padding:40px 44px;
  font-size:17px;line-height:1.9;color:#22404A;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body > *:last-child{margin-bottom:0}
.article-body h2{
  font-size:clamp(1.35rem,2vw,1.7rem);
  margin:2em 0 .75em;
  padding-left:14px;
  border-left:4px solid var(--primary);
  line-height:1.4;
  color:var(--ink);
  scroll-margin-top:100px;
}
.article-body h3{
  font-size:1.2rem;margin:1.6em 0 .6em;color:var(--primary-dark);
  scroll-margin-top:100px;
}
.article-body h4{font-size:1.05rem;margin:1.4em 0 .5em;color:var(--ink)}
.article-body p{margin:0 0 1.15em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.25em}
.article-body ul li{list-style:disc;margin:.42em 0}
.article-body ol li{list-style:decimal;margin:.42em 0}
.article-body a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary)}
.article-body strong{font-weight:650;color:var(--ink)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;
  background:var(--primary-light);
  border-left:4px solid var(--primary);
  border-radius:14px;color:var(--primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.5em 0;height:auto}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;background:var(--paper)}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:#EEF3F2;padding:2px 6px;border-radius:6px;font-size:.92em}

/* 文章内 CTA 卡 */
.article-cta{
  position:relative;overflow:hidden;
  margin-top:28px;padding:34px 36px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#23545F 0%,#2E6F7E 62%,#357F8F 100%);
  color:#fff;
  box-shadow:var(--shadow-soft);
}
.article-cta::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.article-cta h2{font-size:1.35rem;margin-bottom:10px;color:#fff}
.article-cta p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);max-width:620px}
.article-cta .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;position:relative;z-index:1}
.article-cta .btn-primary{background:var(--gold);box-shadow:0 10px 24px rgba(199,149,82,.32)}
.article-cta .btn-primary:hover{background:#B8843F}
.article-cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.article-cta .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}

/* 空态 */
.empty-state{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);padding:56px 40px;text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:18px;margin:0 auto 20px;
  background:var(--primary-light);display:grid;place-items:center;
}
.empty-state .empty-icon svg{width:30px;height:30px}
.empty-state h2{font-size:1.3rem;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;max-width:440px;margin:0 auto 24px}

/* ---------- 侧栏 ---------- */
.article-aside{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:20px;
}
.aside-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);
  padding:22px;
}
.aside-card h3{
  font-size:15px;font-weight:650;color:var(--ink);
  padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{
  content:"";width:4px;height:14px;border-radius:2px;background:var(--primary);display:inline-block;
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:9px;
  font-size:14px;color:var(--text-2);line-height:1.65;
  border-left:2px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.toc-list a:hover{background:var(--primary-light);color:var(--primary-dark);border-left-color:var(--primary)}
.aside-meta{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-2)}
.aside-meta .row{display:flex;justify-content:space-between;gap:12px}
.aside-meta .row b{color:var(--ink);font-weight:600;text-align:right}
.aside-cta{
  background:var(--primary-light);
  border:1px solid #D2E5E3;
  border-radius:var(--radius-card);
  padding:24px 22px;
}
.aside-cta h3{font-size:16px;margin-bottom:8px;color:var(--primary-dark)}
.aside-cta p{font-size:14px;line-height:1.8;color:#3E5F66;margin-bottom:16px}
.aside-cta .btn{width:100%}

/* ---------- 继续了解 ---------- */
.related-section{padding:0 0 84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.45rem,2.3vw,1.9rem)}
.section-head p{font-size:15px;color:var(--text-2);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.related-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C6DBD7}
.related-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--primary-light)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(46,111,126,.08),rgba(46,111,126,.16));
}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.related-body h3{font-size:16.5px;line-height:1.5}
.related-body p{font-size:14px;line-height:1.75;color:var(--text-2)}
.related-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--primary-dark);
  display:inline-flex;align-items:center;gap:6px;
}
.related-link .arrow{transition:transform .2s}
.related-card:hover .related-link .arrow{transform:translateX(4px)}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(20,40,45,.5)}
.modal-panel{
  position:relative;z-index:1;
  width:calc(100% - 40px);max-width:620px;
  margin:6vh auto;background:var(--paper);
  border-radius:var(--radius-lg);
  box-shadow:0 30px 70px rgba(15,35,40,.3);
  padding:28px 30px 30px;
  max-height:88vh;overflow-y:auto;
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.modal-head h2{font-size:1.3rem}
.modal-head p{font-size:14px;color:var(--text-2);margin-top:6px}
.modal-close{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  border:1px solid var(--line);background:var(--bg);
  font-size:22px;line-height:1;display:grid;place-items:center;color:var(--text-2);
  transition:.2s;
}
.modal-close:hover{background:var(--primary-light);color:var(--primary-dark)}
.lead-form{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--danger);margin-left:2px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--paper);padding:12px 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.75}
.field input:hover,.field textarea:hover,.field select:hover{border-color:var(--mist)}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,111,126,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.privacy-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.75;color:var(--text-2)}
.privacy-row input{width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--primary)}
.privacy-row a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
.form-note{font-size:12.5px;color:var(--text-2);line-height:1.7}
.success-card{
  margin-top:20px;padding:26px 24px;border-radius:var(--radius-card);
  background:var(--primary-light);border:1px solid #CFE4E1;text-align:center;
}
.success-card h3{font-size:1.1rem;color:var(--primary-dark);margin-bottom:8px}
.success-card p{font-size:14px;color:#3E5F66}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#122A31;color:#C9DAD9;
  border-top:1px solid rgba(46,111,126,.6);
  padding:60px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-desc{font-size:14px;line-height:1.9;color:#9FB8B7;max-width:360px}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;color:#9FB8B7}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;flex-shrink:0}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:650}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9FB8B7;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#7E9897;
}
.fb-links{display:flex;gap:18px}
.fb-links a{color:#9FB8B7;transition:color .2s}
.fb-links a:hover{color:var(--gold)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-link{padding:0 11px;font-size:14.5px}
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:32px}
  .article-body{padding:34px 32px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-inner{height:72px;gap:16px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;padding:40px 0 60px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside > *{flex:1 1 260px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-desc{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:68px}
  .brand-name{font-size:17px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .brand-mark svg{width:19px;height:19px}
  .header-actions .btn-sm{padding:0 14px;font-size:13px}
  .article-hero{padding:26px 0 30px}
  .article-hero h1{font-size:1.7rem;margin:12px 0 16px}
  .breadcrumb .current{max-width:56vw}
  .article-body{padding:26px 22px;font-size:16.5px;border-radius:16px;overflow-x:auto}
  .article-body h2{font-size:1.28rem;margin-top:1.7em}
  .article-cta{padding:26px 22px}
  .article-cta h2{font-size:1.2rem}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .article-aside{flex-direction:column}
  .section-head{margin-bottom:20px}
  .related-section{padding-bottom:56px}
  .modal-panel{
    position:absolute;left:0;right:0;bottom:0;margin:0;
    width:100%;max-width:none;border-radius:20px 20px 0 0;
    max-height:90vh;padding:24px 20px 28px;
  }
  .field-row{grid-template-columns:1fr}
  .site-footer{padding-top:44px}
}
@media (max-width:520px){
  .header-actions .btn-sm{display:none}
  .article-meta{font-size:13px;gap:8px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --primary:#2E6F7E;
  --primary-dark:#23545F;
  --primary-light:#E8F1F0;
  --mist:#7FA6A0;
  --gold:#C79552;
  --bg:#F5F8F7;
  --paper:#FFFFFF;
  --ink:#14282D;
  --text:#566C70;
  --line:#D9E5E2;
  --success:#2F7D5B;
  --warn:#B27A2E;
  --danger:#B34A44;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-sm:0 10px 30px rgba(20,60,70,.08);
  --shadow-hover:0 16px 40px rgba(20,60,70,.12);
  --sec-space:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:650;letter-spacing:-0.01em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block;border-radius:14px}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,126,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(35,84,95,.26)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--mist)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;min-height:44px}
.btn-link::after{content:"→";transition:transform .2s ease}
.btn-link:hover{color:var(--primary-dark)}
.btn-link:hover::after{transform:translateX(3px)}
.btn-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,70,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:0 6px 16px rgba(46,111,126,.25)}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-0.01em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text)}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-link.is-active{color:var(--primary-dark)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--primary-dark);transition:transform .2s ease,opacity .2s ease}
.nav-toggle span{opacity:1}

/* 抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:var(--paper);z-index:120;
  padding:20px 22px 28px;
  transform:translateX(104%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
  box-shadow:-18px 0 44px rgba(20,60,70,.16);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(20,40,45,.45);z-index:110;opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:22px;line-height:1;color:var(--primary-dark);display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--primary-light)}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;font-weight:600;color:var(--text)}
.drawer-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-link.is-active{background:var(--primary-light);color:var(--primary-dark)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:13px;line-height:1.8;color:var(--text)}
.drawer-foot strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:44px 0 64px;background:linear-gradient(175deg,#EDF5F4 0%,#F5F8F7 62%,#F5F8F7 100%)}
.page-hero::before{
  content:"";position:absolute;right:-160px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(46,111,126,.14),rgba(46,111,126,0) 68%);
}
.page-hero::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(199,149,82,.12),rgba(199,149,82,0) 70%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mist);margin-bottom:18px}
.crumbs a{color:var(--text);font-weight:600}
.crumbs a:hover{color:var(--primary)}
.crumbs span{color:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--primary-dark);font-size:13px;font-weight:600;margin-bottom:18px;box-shadow:0 6px 18px rgba(20,60,70,.05)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.page-hero h1{font-size:clamp(2rem,3.6vw,2.9rem);margin-bottom:16px}
.hero-sub{font-size:16px;line-height:1.85;max-width:34em;color:var(--text);margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--primary-dark)}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mist)}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);box-shadow:0 22px 50px rgba(20,60,70,.16)}
.hero-figure::after{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);background:linear-gradient(160deg,rgba(46,111,126,.10),rgba(46,111,126,0) 55%);pointer-events:none}
.float-card{
  position:absolute;left:-14px;bottom:18px;z-index:3;
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:12px;
}
.float-card b{font-size:20px;color:var(--primary-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.float-card small{display:block;font-size:12px;color:var(--text);line-height:1.6}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-space) 0}
.section-alt{background:var(--paper)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--primary);margin-bottom:10px}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.2rem);margin-bottom:14px}
.section-head p{font-size:16px;line-height:1.85;color:var(--text)}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- 能力矩阵 ---------- */
.cap-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch}
.cap-main{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.cap-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cap-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px}
.cap-aside{display:grid;gap:24px}
.cap-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--mist)}
.cap-ico{
  width:44px;height:44px;border-radius:12px;background:var(--primary-light);
  color:var(--primary-dark);display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.cap-card h3,.cap-main h3{font-size:1.18rem;margin-top:2px}
.cap-card p,.cap-main p{font-size:15px;line-height:1.85}
.cap-note{font-size:13px;color:var(--mist);line-height:1.7}
.cap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:12px;font-weight:600;color:var(--primary-dark)}

/* ---------- 流程 ---------- */
.flow-wrap{position:relative}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:2}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:32px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary-light),var(--mist),var(--primary-light));
  opacity:.75;
}
.flow-step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-sm);position:relative;transition:transform .22s ease,box-shadow .22s ease}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.flow-num{
  width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(46,111,126,.28);margin-bottom:14px;
}
.flow-step h3{font-size:1.05rem;margin-bottom:8px}
.flow-step p{font-size:14.5px;line-height:1.8}

/* ---------- 安全与支持 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:16px}
.split p{font-size:16px;line-height:1.9;margin-bottom:14px}
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  box-shadow:0 6px 18px rgba(20,60,70,.05);transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:var(--mist);transform:translateY(-2px)}
.check-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--primary-light);
  color:var(--primary-dark);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.check-item strong{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
.check-item span{font-size:14px;line-height:1.75;color:var(--text)}

/* ---------- 数据带 ---------- */
.stats-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,var(--primary-dark) 0%,#1D454F 100%);
  padding:72px 0;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.14;
}
.stats-inner{position:relative;z-index:2}
.stats-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.stats-head h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem)}
.stats-head p{font-size:14.5px;color:rgba(255,255,255,.76);max-width:46em;margin-top:10px;line-height:1.8}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-card);padding:22px 20px;transition:background .22s ease,transform .22s ease}
.stat:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.stat b{display:block;font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px}
.stat b em{font-style:normal;font-size:15px;font-weight:600;color:var(--gold);margin-left:2px}
.stat span{display:block;font-size:14px;color:rgba(255,255,255,.86);margin-bottom:6px}
.stat small{display:block;font-size:12px;color:rgba(255,255,255,.58);line-height:1.6}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--mist);background:#FBFDFC}
.faq-item.is-open{border-color:var(--mist);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);min-height:44px;
}
.faq-q:hover{color:var(--primary-dark)}
.faq-q .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--primary);
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
  font-size:13px;line-height:1;
}
.faq-item.is-open .faq-q .ico{transform:rotate(180deg);background:var(--primary);border-color:var(--primary);color:#fff}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.is-open .faq-panel{grid-template-rows:1fr}
.faq-panel-inner{overflow:hidden}
.faq-item.is-open .faq-panel-inner{padding-left:22px;padding-right:22px;padding-bottom:20px;border-left:3px solid var(--primary);margin-left:22px;padding-left:14px;border-radius:0 0 0 3px}
.faq-panel p{font-size:15px;line-height:1.85;color:var(--text)}

/* ---------- CTA 横带 ---------- */
.cta-band{background:var(--primary-light);border-top:1px solid #D5E5E3;border-bottom:1px solid #D5E5E3}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:44px 0}
.cta-inner h2{font-size:clamp(1.35rem,2.2vw,1.8rem);margin-bottom:8px}
.cta-inner p{font-size:15px;color:var(--text);max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 表单弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:200;background:rgba(20,40,45,.5);
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;pointer-events:none;transition:opacity .22s ease;
}
.modal-mask.is-open{opacity:1;pointer-events:auto}
.modal{
  width:100%;max-width:620px;max-height:90vh;overflow-y:auto;background:var(--paper);
  border-radius:var(--radius-lg);box-shadow:0 30px 70px rgba(20,40,45,.3);
  padding:28px;transform:translateY(14px);transition:transform .25s ease;
}
.modal-mask.is-open .modal{transform:translateY(0)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.modal-head h2{font-size:1.4rem}
.modal-head p{font-size:14px;color:var(--text);margin-top:6px}
.modal-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:22px;line-height:1;color:var(--primary-dark);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.modal-close:hover{background:var(--primary-light)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--danger);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 13px;border:1px solid var(--line);
  border-radius:var(--radius-input);background:#fff;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,111,126,.16)}
.field .err{font-size:12.5px;color:var(--danger);display:none}
.field.has-error .err{display:block}
.field.has-error input,.field.has-error select{border-color:var(--danger)}
.consent{display:flex;align-items:flex-start;gap:10px;margin-top:18px}
.consent input{width:18px;height:18px;min-height:18px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto}
.consent label{font-size:13.5px;line-height:1.7;color:var(--text)}
.consent a{font-weight:600}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px}
.privacy-note{font-size:12.5px;line-height:1.7;color:var(--mist);max-width:44em}
.form-success{display:none;text-align:center;padding:26px 8px 8px}
.form-success.is-visible{display:block}
.success-ico{width:56px;height:56px;border-radius:50%;background:var(--primary-light);color:var(--success);display:inline-flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px}
.form-success h3{font-size:1.25rem;margin-bottom:8px}
.form-success p{font-size:14.5px;color:var(--text)}

/* ---------- 页脚 ---------- */
.site-footer{background:#12303A;color:#C6D7D6;padding:64px 0 26px;border-top:3px solid var(--primary);font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-desc{line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:16px;max-width:32em}
.footer-contact{display:grid;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:650}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.fb-links{display:flex;gap:18px}
.fb-links a{color:rgba(255,255,255,.62)}
.fb-links a:hover{color:var(--gold)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-link{padding:0 11px;font-size:14.5px}
  .hero-grid{gap:36px}
}
@media (max-width:991px){
  :root{--sec-space:72px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:70px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure{order:-1}
  .float-card{left:12px;bottom:12px}
  .cap-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow::before{display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head--row{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  :root{--sec-space:56px}
  .container{padding:0 20px}
  .page-hero{padding:32px 0 48px}
  .page-hero h1{font-size:clamp(1.75rem,7vw,2.1rem)}
  .hero-sub{font-size:15px}
  .btn{min-height:48px}
  .cap-main,.cap-card{padding:20px}
  .flow{grid-template-columns:1fr}
  .faq-q{font-size:15.5px;padding:18px}
  .faq-item.is-open .faq-panel-inner{margin-left:16px;padding-left:12px;padding-right:16px}
  .cta-inner{padding:36px 0;flex-direction:column;align-items:flex-start}
  .form-grid{grid-template-columns:1fr}
  .modal-mask{padding:0;align-items:flex-end}
  .modal{max-width:100%;border-radius:20px 20px 0 0;max-height:92vh;padding:22px 20px 26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:480px){
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:18px 14px}
  .hero-actions .btn{width:100%}
  .hero-points .chip{font-size:12px;padding:6px 11px}
  .float-card{padding:10px 14px}
  .float-card b{font-size:17px}
}

/* roulang page: category2 */
:root{
  --primary:#2E6F7E;
  --primary-dark:#23545F;
  --primary-light:#E8F1F0;
  --mist:#7FA6A0;
  --gold:#C79552;
  --bg:#F5F8F7;
  --paper:#FFFFFF;
  --ink:#14282D;
  --text:#566C70;
  --line:#D9E5E2;
  --success:#2F7D5B;
  --warn:#B27A2E;
  --error:#B34A44;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --radius-img:14px;
  --shadow-sm:0 10px 30px rgba(20,60,70,.08);
  --shadow-md:0 16px 40px rgba(20,60,70,.12);
  --space-section:96px;
  --font-base:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::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(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:650;letter-spacing:-0.01em;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
section{position:relative;}
.section{padding:var(--space-section) 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.6rem,2.5vw,2.4rem);margin-bottom:14px;}
.section-head p{font-size:16px;line-height:1.85;color:var(--text);max-width:48em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,126,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(35,84,95,.26);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--paper);color:var(--primary-dark);border-color:var(--line);}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--mist);color:var(--primary-dark);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:10px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.link-arrow span{transition:transform .2s ease;display:inline-block;}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,70,.09);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(46,111,126,.28);
  flex:none;
}
.brand-mark svg{width:22px;height:22px;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--ink);}
.nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--primary-dark);background:var(--primary-light);}
.nav-link.is-active{color:var(--primary-dark);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--paper);z-index:120;
  padding:22px 22px 30px;
  box-shadow:-20px 0 50px rgba(20,40,45,.18);
  transform:translateX(105%);
  transition:transform .28s ease;
  overflow-y:auto;
  display:flex;flex-direction:column;gap:6px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  font-size:22px;line-height:1;color:var(--text);background:var(--bg);
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--primary-light);color:var(--primary-dark);}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;
  font-size:16px;font-weight:500;color:var(--ink);
}
.drawer-link:hover{background:var(--primary-light);color:var(--primary-dark);}
.drawer-link.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
.drawer-foot{
  margin-top:auto;padding:16px;border-radius:14px;
  background:var(--bg);border:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--text);
}
.drawer-foot strong{display:block;color:var(--ink);font-size:14px;margin-bottom:6px;}
body.drawer-open{overflow:hidden;}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  padding:64px 0 56px;
  background:
    radial-gradient(circle at 88% 12%,rgba(46,111,126,.10),transparent 42%),
    linear-gradient(180deg,var(--paper) 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.cat-hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.cat-hero h1{
  font-size:clamp(2rem,3.4vw,2.9rem);
  margin-bottom:18px;
  letter-spacing:-0.015em;
}
.cat-hero p.lead{
  font-size:17px;line-height:1.9;color:var(--text);max-width:44em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{
  margin-top:22px;font-size:13px;color:var(--text);
  display:flex;flex-wrap:wrap;gap:8px 20px;
}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mist);}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--primary-light);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(46,111,126,.10),rgba(20,40,45,.18));
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);
  border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:600;color:var(--primary-dark);
  box-shadow:0 8px 20px rgba(20,60,70,.16);
}

/* ---------- 行业标签 ---------- */
.tag-strip{padding:34px 0;background:var(--paper);border-bottom:1px solid var(--line);}
.tag-strip-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.tag-strip-label{font-size:13px;font-weight:600;color:var(--text);margin-right:6px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);
  font-size:14px;font-weight:500;color:var(--ink);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.tag:hover{background:var(--primary-light);border-color:var(--mist);color:var(--primary-dark);transform:translateY(-1px);}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);font-style:normal;}

/* ---------- 交错场景 ---------- */
.scene-list{display:flex;flex-direction:column;gap:32px;}
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.scene:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.scene-media{position:relative;min-height:280px;overflow:hidden;background:var(--primary-light);}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene:hover .scene-media img{transform:scale(1.03);}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(46,111,126,.06),rgba(20,40,45,.20));
}
.scene-media .scene-idx{
  position:absolute;top:16px;left:16px;z-index:2;
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--primary-dark);
  font-variant-numeric:tabular-nums;
}
.scene-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.scene-body h3{font-size:clamp(1.15rem,1.6vw,1.35rem);}
.scene-body p{font-size:15.5px;line-height:1.9;max-width:44em;}
.scene-points{display:flex;flex-direction:column;gap:10px;}
.scene-points li{
  display:flex;gap:10px;font-size:14.5px;color:var(--text);line-height:1.75;
}
.scene-points li::before{
  content:"";flex:none;width:7px;height:7px;border-radius:50%;
  background:var(--mist);margin-top:9px;
}
.scene-result{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding-top:16px;border-top:1px dashed var(--line);
}
.scene-result div{display:flex;flex-direction:column;gap:2px;}
.scene-result strong{
  font-size:19px;color:var(--primary-dark);font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:-0.01em;
}
.scene-result span{font-size:12.5px;color:var(--text);}
.scene:nth-child(even) .scene-media{order:2;}

/* ---------- 数据条 ---------- */
.metrics-band{
  background:
    linear-gradient(120deg,rgba(35,84,95,.94),rgba(46,111,126,.92)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:72px 0;color:#fff;
}
.metrics-band .section-head h2{color:#fff;}
.metrics-band .section-head p{color:rgba(255,255,255,.82);}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--radius-card);
  padding:26px 24px;
  backdrop-filter:blur(2px);
}
.metric strong{
  display:block;font-size:clamp(1.8rem,3vw,2.4rem);font-weight:700;
  color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;
  letter-spacing:-0.02em;
}
.metric strong em{font-style:normal;font-size:.55em;font-weight:600;margin-left:4px;color:rgba(255,255,255,.85);}
.metric span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.86);line-height:1.65;}
.metrics-note{
  margin-top:22px;font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.7;
}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.flow-item{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;
  position:relative;transition:box-shadow .25s ease,transform .25s ease,border-color .2s ease;
}
.flow-item:hover{box-shadow:var(--shadow-sm);transform:translateY(-3px);border-color:var(--mist);}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--primary-light);color:var(--primary-dark);
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow-item h3{font-size:1.05rem;margin-bottom:8px;}
.flow-item p{font-size:14.5px;line-height:1.8;}

/* ---------- 内联表单卡 ---------- */
.inline-cta{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.inline-cta-text h2{font-size:clamp(1.4rem,2.1vw,1.9rem);margin-bottom:10px;}
.inline-cta-text p{font-size:15.5px;line-height:1.85;max-width:46em;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:16px;max-width:900px;}
.faq-item{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item:hover{background:#FBFDFC;}
.faq-item.is-open{border-color:var(--mist);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
  border-left:3px solid transparent;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q{border-left-color:var(--primary);}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .25s ease,background .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--text);max-width:46em;
}

/* ---------- CTA 横带 ---------- */
.cta-band{
  background:var(--primary-light);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band-inner h2{font-size:clamp(1.4rem,2.2vw,2rem);margin-bottom:8px;}
.cta-band-inner p{font-size:15.5px;color:var(--text);max-width:46em;}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#14282D;color:rgba(255,255,255,.72);
  padding:64px 0 0;border-top:2px solid var(--primary);
  font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:17px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34em;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-contact span{display:flex;align-items:center;gap:8px;}
.footer-contact i{width:6px;height:6px;border-radius:50%;background:var(--mist);display:inline-block;}
.footer-col h3{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col ul a:hover{color:var(--gold);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.52);
}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:rgba(255,255,255,.62);}
.fb-links a:hover{color:var(--gold);}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:200;
  display:none;align-items:center;justify-content:center;
  padding:24px;
  background:rgba(20,40,45,.5);
}
.modal.is-open{display:flex;}
.modal-card{
  width:100%;max-width:620px;max-height:90vh;overflow-y:auto;
  background:var(--paper);border-radius:var(--radius-lg);
  padding:32px 34px 30px;
  box-shadow:0 30px 70px rgba(10,30,35,.32);
  position:relative;
  animation:modalIn .22s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.modal-close{
  position:absolute;top:16px;right:16px;
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;line-height:1;color:var(--text);background:var(--bg);
  border:1px solid var(--line);
}
.modal-close:hover{background:var(--primary-light);color:var(--primary-dark);}
.modal-card h2{font-size:1.4rem;margin-bottom:8px;}
.modal-card .modal-sub{font-size:14.5px;color:var(--text);margin-bottom:22px;line-height:1.8;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--error);margin-left:3px;}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--radius-input);
  padding:11px 14px;background:var(--paper);
  transition:border-color .2s ease,box-shadow .2s ease;
  width:100%;
}
.field textarea{resize:vertical;min-height:86px;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,111,126,.16);
}
.field .err{font-size:12.5px;color:var(--error);display:none;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--error);}
.field.has-error .err{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:4px;}
.check-row input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--primary);}
.check-row label{font-size:13px;line-height:1.7;color:var(--text);font-weight:400;}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px;flex-wrap:wrap;}
.privacy-note{font-size:12.5px;color:var(--text);line-height:1.7;max-width:340px;}
.privacy-note a{text-decoration:underline;}
.form-success{
  display:none;text-align:center;padding:26px 10px 10px;
}
.form-success .ok-icon{
  width:56px;height:56px;border-radius:50%;background:var(--primary-light);
  color:var(--success);display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;font-size:26px;
}
.form-success h3{font-size:1.25rem;margin-bottom:10px;}
.form-success p{font-size:14.5px;line-height:1.8;color:var(--text);}
.form-success .btn{margin-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space-section:80px;}
  .cat-hero-grid{gap:36px;}
  .scene-body{padding:30px 30px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  :root{--space-section:72px;}
  .cat-hero{padding:48px 0 44px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{aspect-ratio:16/9;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .scene{grid-template-columns:1fr;}
  .scene:nth-child(even) .scene-media{order:0;}
  .scene-media{min-height:220px;}
  .inline-cta{padding:32px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  :root{--space-section:56px;}
  .cat-hero h1{font-size:clamp(1.8rem,6vw,2.2rem);}
  .cat-hero p.lead{font-size:16px;}
  .section-head{margin-bottom:32px;}
  .hero-actions .btn{flex:1 1 100%;}
  .scene-body{padding:26px 22px;}
  .inline-cta{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .inline-cta .btn{width:100%;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a-inner{padding:0 20px 18px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{flex:1 1 100%;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{max-width:none;border-radius:20px 20px 0 0;max-height:92vh;padding:26px 20px 28px;}
  .form-grid{grid-template-columns:1fr;}
  .form-foot{flex-direction:column;align-items:stretch;}
  .privacy-note{max-width:none;}
  .form-foot .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .metrics-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metric{padding:20px 16px;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .tag-strip-inner{gap:10px;}
  .tag{font-size:13px;padding:8px 14px;}
}

/* roulang page: category3 */
:root{
  --primary:#2E6F7E;
  --primary-dark:#23545F;
  --primary-light:#E8F1F0;
  --mist:#7FA6A0;
  --gold:#C79552;
  --gold-soft:#E3B87B;
  --bg:#F5F8F7;
  --paper:#FFFFFF;
  --ink:#14282D;
  --text:#566C70;
  --line:#D9E5E2;
  --success:#2F7D5B;
  --warning:#B27A2E;
  --error:#B34A44;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --shadow-1:0 10px 30px rgba(20,60,70,.08);
  --shadow-2:0 16px 40px rgba(20,60,70,.12);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(20,60,70,.09)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2E6F7E,#3E8894);
  box-shadow:0 6px 16px rgba(46,111,126,.24);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:12px;position:relative;
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";position:absolute;left:12px;width:20px;height:2px;
  background:var(--primary-dark);border-radius:2px;transition:transform .2s var(--ease);
}
.nav-toggle span{top:21px}
.nav-toggle::before{top:14px}
.nav-toggle::after{top:28px}

.nav-scrim{
  position:fixed;inset:0;background:rgba(20,40,45,.45);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
}
.nav-scrim.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(360px,88vw);
  background:#fff;z-index:90;padding:22px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(103%);transition:transform .3s var(--ease);
  box-shadow:-16px 0 40px rgba(20,60,70,.16);
  overflow-y:auto;
}
.nav-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(--line);margin-bottom:10px}
.drawer-head .brand-name{font-size:17px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  font-size:24px;line-height:1;color:var(--text);display:grid;place-items:center;
}
.drawer-close:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-link{
  padding:13px 14px;border-radius:var(--r-md);font-size:16px;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.drawer-link.is-active{background:var(--primary-light);color:var(--primary);font-weight:600}
.drawer-foot{
  margin-top:auto;padding:16px;border-radius:var(--r-md);background:var(--bg);
  font-size:13px;line-height:1.8;color:var(--text);border:1px solid var(--line);
}
.drawer-foot strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}

/* ---------- 按钮与徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:var(--r-sm)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,126,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(35,84,95,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(35,84,95,.2)}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary-dark);color:var(--primary-dark)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;min-height:44px}
.btn-link .arw{transition:transform .2s var(--ease)}
.btn-link:hover .arw{transform:translateX(3px)}
.btn-link:hover span.txt{text-decoration:underline;text-underline-offset:4px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:60px 0 68px;
  background:linear-gradient(180deg,#EFF6F5 0%,#F5F8F7 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(46,111,126,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
  mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  -webkit-mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(2rem,3.7vw,2.9rem);margin:18px 0 18px}
.hero-copy .lead{font-size:17px;line-height:1.85;color:var(--text);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.hero-points li::before{
  content:"";width:18px;height:18px;border-radius:50%;
  background:var(--primary-light) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.4l3 3 6-6.4' fill='none' stroke='%232E6F7E' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
  flex-shrink:0;
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--shadow-2);border:1px solid rgba(255,255,255,.7);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);
  background:linear-gradient(200deg,rgba(46,111,126,.10),rgba(46,111,126,.02));
  pointer-events:none;
}
.float-card{
  position:absolute;left:-16px;bottom:20px;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:13px 18px;box-shadow:var(--shadow-2);
}
.float-card .dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(47,125,91,.14)}
.float-card b{display:block;font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums}
.float-card small{display:block;font-size:12px;color:var(--text)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.25rem);margin:14px 0 14px}
.section-head p{color:var(--text);font-size:16px;line-height:1.85}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);padding-left:12px;position:relative;
}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:14px;border-radius:2px;background:var(--gold)}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#C4DCD8}
.flow-step::after{
  content:"";position:absolute;top:46px;right:-24px;width:24px;height:1px;
  background:linear-gradient(90deg,var(--mist),rgba(127,166,160,0));
}
.flow-step:last-child::after{display:none}
.flow-num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:13px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:1.1rem;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.85;color:var(--text)}

/* ---------- 支持渠道 ---------- */
.channel-grid{display:grid;grid-template-columns:1.22fr 1fr 1fr;gap:24px;align-items:stretch}
.channel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.channel-card h3{font-size:1.16rem;margin-bottom:10px}
.channel-card p{font-size:14.5px;line-height:1.85;color:var(--text);margin-bottom:16px}
.channel-feature{padding:0;overflow:hidden}
.channel-feature img{width:100%;aspect-ratio:16/10;object-fit:cover}
.channel-feature .cf-body{padding:24px;display:flex;flex-direction:column;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);color:var(--text);font-size:12.5px;
}
.tag-gold{background:rgba(199,149,82,.12);border-color:rgba(199,149,82,.32);color:#8A6428}
.channel-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px}
.channel-meta .time{font-size:13px;color:var(--text);font-variant-numeric:tabular-nums}

/* ---------- 数据带 ---------- */
.stats-band{
  background:linear-gradient(135deg,#1B3A42 0%,#23545F 100%);
  border-radius:var(--r-xl);padding:46px 40px;color:#fff;
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
  box-shadow:0 20px 44px rgba(20,60,70,.18);
}
.stat-item{border-left:1px solid rgba(255,255,255,.16);padding-left:24px}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-num{
  font-size:clamp(1.9rem,3.6vw,2.7rem);font-weight:700;line-height:1.15;
  color:var(--gold-soft);font-variant-numeric:tabular-nums;letter-spacing:-0.01em;
}
.stat-label{font-size:15px;color:#EAF3F1;margin-top:8px;font-weight:600}
.stat-note{font-size:12.5px;color:#9DB8B5;margin-top:6px;line-height:1.7}

/* ---------- 支持范围 ---------- */
.scope-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start}
.scope-left h2{font-size:clamp(1.55rem,2.5vw,2.2rem);margin:14px 0 16px}
.scope-left p{color:var(--text);line-height:1.9;margin-bottom:22px}
.scope-list{display:grid;gap:14px}
.scope-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.scope-item:hover{border-color:#BFD9D5;transform:translateY(-2px)}
.scope-idx{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.scope-item h3{font-size:1rem;margin-bottom:4px}
.scope-item p{font-size:14px;line-height:1.8;color:var(--text)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item:hover{background:#FBFDFC}
.faq-item.is-open{border-left-color:var(--primary);background:#FBFDFC}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);position:relative;transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--primary);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--primary-light);border-color:#BFD9D5}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--text)}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary-light) 0%,#F2F8F6 100%);
  border:1px solid #CFE3E0;border-radius:var(--r-xl);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.85rem);margin-bottom:10px}
.cta-band p{color:var(--text);font-size:15.5px;line-height:1.85;max-width:640px}
.cta-band .btn{flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#CFDDDA;padding:64px 0 0;border-top:1px solid var(--primary)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-desc{font-size:14px;line-height:1.85;color:#A9BFBD;max-width:350px;margin-bottom:18px}
.footer-contact{display:grid;gap:9px;font-size:13px;color:#A9BFBD}
.footer-contact i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-right:8px;vertical-align:middle}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#CFDDDA;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--gold-soft)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#93AAA8;
}
.fb-links{display:flex;gap:18px}
.fb-links a:hover{color:var(--gold-soft)}

/* ---------- 表单弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:24px}
.modal-overlay{position:absolute;inset:0;background:rgba(20,40,45,.5)}
.modal-panel{
  position:relative;width:100%;max-width:620px;max-height:90vh;overflow-y:auto;
  background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:0 26px 60px rgba(15,45,52,.28);
}
.modal-close{
  position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:12px;
  font-size:24px;line-height:1;color:var(--text);display:grid;place-items:center;
  border:1px solid transparent;
}
.modal-close:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--line)}
.modal-head{margin-bottom:20px;padding-right:36px}
.modal-head h2{font-size:1.5rem;margin-bottom:6px}
.modal-head p{font-size:14px;color:var(--text);line-height:1.8}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field .req{color:var(--error);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;color:var(--ink);line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9BACAE}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,111,126,.16);
}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:var(--error)}
.field-error{display:none;font-size:13px;color:var(--error);margin-top:6px}
.field.is-invalid .field-error{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.75;color:var(--text)}
.consent input{width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--primary)}
.consent a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.consent-wrap{margin:18px 0 6px}
.consent-wrap .field-error{margin-left:28px}
.form-foot{display:flex;align-items:center;gap:14px;margin-top:18px;flex-wrap:wrap}
.form-foot .btn{flex:1;min-width:180px}
.form-tip{font-size:12.5px;color:var(--text);line-height:1.7;width:100%}
.form-success{
  text-align:center;padding:28px 12px;border-radius:var(--r-lg);
  background:var(--primary-light);border:1px solid #CFE3E0;
}
.form-success h3{font-size:1.25rem;margin-bottom:8px;color:var(--primary-dark)}
.form-success p{font-size:14.5px;color:var(--text);line-height:1.85}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .header-inner{height:74px}
  .nav-link{padding:8px 10px;font-size:14.5px}
  .hero-grid{gap:36px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .float-card{position:static;margin-top:16px;left:auto;bottom:auto;width:fit-content}
  .flow{grid-template-columns:1fr 1fr}
  .flow-step::after{display:none}
  .channel-grid{grid-template-columns:1fr 1fr}
  .channel-feature{grid-column:1 / -1}
  .stats-band{grid-template-columns:1fr 1fr;gap:26px;padding:36px 30px}
  .stat-item{border-left:none;padding-left:0}
  .scope-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:44px 0 52px}
  .hero-copy h1{font-size:clamp(1.75rem,6vw,2.2rem)}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .flow{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr;padding:30px 24px;gap:22px}
  .stat-item{padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14)}
  .stat-item:last-child{border-bottom:none;padding-bottom:0}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a{padding:0 18px 18px;font-size:15px}
  .cta-band{padding:28px 22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .modal{padding:0;align-items:flex-end}
  .modal-panel{max-width:100%;border-radius:20px 20px 0 0;padding:26px 22px;max-height:92vh}
  .field-row{grid-template-columns:1fr}
  .btn{min-height:48px}
}
@media (max-width:480px){
  .header-actions .btn-sm{padding:0 13px;font-size:13px}
  .brand-name{font-size:17px}
  .hero-points{flex-direction:column;gap:10px}
  .scope-item{padding:16px 16px}
}

/* roulang page: category4 */
:root{
  --primary:#2E6F7E;
  --primary-dark:#23545F;
  --primary-light:#E8F1F0;
  --mist:#7FA6A0;
  --gold:#C79552;
  --bg:#F5F8F7;
  --paper:#FFFFFF;
  --ink:#14282D;
  --text:#566C70;
  --line:#D9E5E2;
  --success:#2F7D5B;
  --warning:#B27A2E;
  --danger:#B34A44;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow:0 10px 30px rgba(20,60,70,.08);
  --shadow-hover:0 16px 40px rgba(20,60,70,.12);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{font-weight:700;letter-spacing:-0.01em;line-height:1.35;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,126,.18);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(35,84,95,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(35,84,95,.2);}
.btn-ghost{background:var(--paper);color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);}
.btn-ghost:active{background:#DCEAe8;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,70,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  box-shadow:0 6px 14px rgba(46,111,126,.24);
}
.brand-mark svg{width:22px;height:22px;}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-0.01em;}

.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--primary-dark);background:var(--primary-light);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;border-radius:2px;
  background:var(--primary);
}

.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  position:relative;
}
.nav-toggle span{
  position:absolute;left:50%;top:50%;
  width:18px;height:2px;border-radius:2px;
  background:var(--primary-dark);
  transform:translate(-50%,-50%);
  box-shadow:0 -6px 0 var(--primary-dark),0 6px 0 var(--primary-dark);
}

.nav-scrim{
  position:fixed;inset:0;
  background:rgba(20,40,45,.5);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:190;
}
body.nav-open .nav-scrim{opacity:1;visibility:visible;}

.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(360px,88vw);
  height:100%;
  background:var(--paper);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:4px;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:200;
  overflow-y:auto;
  box-shadow:-16px 0 40px rgba(20,60,70,.14);
}
body.nav-open .nav-drawer{transform:none;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;margin-bottom:10px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  font-size:22px;line-height:1;
  color:var(--primary-dark);
}
.drawer-close:hover{background:var(--primary-light);}
.drawer-link{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:16px;
  color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.drawer-link:hover{background:var(--primary-light);color:var(--primary-dark);}
.drawer-link.is-active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.drawer-foot{
  margin-top:auto;
  padding:16px;
  border-radius:14px;
  background:var(--primary-light);
  font-size:14px;
  line-height:1.75;
  color:var(--primary-dark);
}
.drawer-foot strong{display:block;margin-bottom:4px;font-size:15px;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(46,111,126,.13),transparent 70%),
    radial-gradient(700px 380px at 92% 8%,rgba(199,149,82,.12),transparent 72%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(46,111,126,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
}
.page-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--paper);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(20,60,70,.06);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(2rem,4vw,3rem);
  color:var(--ink);
  letter-spacing:-0.015em;
}
.hero-lead{
  margin-top:16px;
  max-width:36em;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:26px;
  font-size:14px;
  color:var(--text);
}
.hero-meta li{position:relative;padding-left:18px;}
.hero-meta li::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--mist);
  transform:translateY(-50%) rotate(45deg);
}
.page-hero-media{position:relative;}
.page-hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.media-tag{
  position:absolute;
  left:18px;bottom:18px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--primary-dark);
}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head h2{
  font-size:clamp(1.6rem,2.4vw,2.2rem);
  color:var(--ink);
}
.section-head p{
  margin-top:10px;
  max-width:44em;
  font-size:15.5px;
  color:var(--text);
}
.section-more{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  padding:10px 4px;
  transition:color .2s ease,gap .2s ease;
}
.section-more:hover{color:var(--primary-dark);gap:10px;}

/* ---------- 栏目索引网格 ---------- */
.index-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
.index-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px 22px 22px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.index-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#C6DCD8;
}
.index-card .idx-no{
  font-size:13px;
  font-weight:700;
  color:var(--gold);
  letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.index-card h3{font-size:1.15rem;color:var(--ink);}
.index-card p{font-size:14px;line-height:1.75;color:var(--text);}
.index-card .idx-arrow{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.index-card:hover .idx-arrow{gap:10px;}

/* ---------- 精选内容 ---------- */
.picks-layout{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.picks-side{
  display:grid;
  grid-template-rows:repeat(3,1fr);
  gap:18px;
  grid-column:1 / -1;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:auto;
}
.pick-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.pick-link{display:flex;flex-direction:column;height:100%;}
.pick-media{position:relative;overflow:hidden;}
.pick-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s ease;
}
.pick-card:hover .pick-media img{transform:scale(1.02);}
.badge{
  position:absolute;
  left:14px;top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:12.5px;
  font-weight:600;
  border:1px solid rgba(46,111,126,.18);
}
.pick-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pick-body h3{font-size:1.22rem;color:var(--ink);transition:color .2s ease;}
.pick-card:hover .pick-body h3{color:var(--primary-dark);}
.pick-body p{font-size:14.5px;line-height:1.78;color:var(--text);}
.pick-meta{
  margin-top:auto;
  display:flex;flex-wrap:wrap;gap:8px 16px;
  font-size:13px;
  color:#7B8F92;
  font-variant-numeric:tabular-nums;
}
.pick-mini .pick-link{flex-direction:row;align-items:stretch;}
.pick-mini .pick-media{flex:0 0 116px;}
.pick-mini .pick-media img{width:116px;height:100%;aspect-ratio:auto;min-height:104px;}
.pick-mini .pick-body{padding:18px 20px;gap:6px;}
.pick-mini .pick-body h3{font-size:1rem;line-height:1.55;}
.pick-mini .pick-body p{font-size:13.5px;line-height:1.7;}
.pick-mini .badge{position:static;display:inline-block;background:var(--primary-light);border-color:transparent;margin-bottom:2px;}

/* ---------- 阅读标准 ---------- */
.rule-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rule-card{
  padding:26px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
}
.rule-card .ico{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  margin-bottom:16px;
}
.rule-card h3{font-size:1.15rem;color:var(--ink);margin-bottom:8px;}
.rule-card p{font-size:14.5px;line-height:1.8;color:var(--text);}

/* ---------- 数据带 ---------- */
.data-band{
  background:linear-gradient(135deg,#1D4753 0%,#23545F 55%,#2E6F7E 100%);
  border-radius:var(--radius-lg);
  padding:46px 44px;
  color:#EAF3F2;
  box-shadow:0 20px 46px rgba(20,60,70,.18);
}
.data-band h2{font-size:clamp(1.4rem,2.2vw,1.85rem);color:#fff;margin-bottom:10px;}
.data-band .band-note{font-size:14.5px;color:#BFD8D6;max-width:46em;}
.data-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  margin-top:32px;
}
.data-item{
  padding:20px;
  border-radius:14px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}
.data-item .num{
  font-size:clamp(1.7rem,2.6vw,2.2rem);
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.02em;
}
.data-item .num span{font-size:1rem;font-weight:600;color:#D8E8E6;margin-left:4px;}
.data-item .lbl{margin-top:6px;font-size:14px;color:#CBE0DE;line-height:1.7;}
.data-foot{margin-top:22px;font-size:12.5px;color:#A9C6C4;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 6px 18px rgba(20,60,70,.05);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#C6DCD8;box-shadow:0 10px 24px rgba(20,60,70,.08);}
.faq-item.is-open{border-left:3px solid var(--primary);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  min-height:56px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  transition:background .2s ease;
}
.faq-q:hover{background:var(--primary-light);}
.faq-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .25s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:38px 42px;
  border-radius:var(--radius-lg);
  background:var(--primary-light);
  border:1px solid #CFE3E0;
}
.cta-band h2{font-size:clamp(1.3rem,2vw,1.7rem);color:var(--primary-dark);}
.cta-band p{margin-top:8px;font-size:15px;color:#3D6068;max-width:40em;}
.cta-band .btn{flex:0 0 auto;}

/* ---------- 表单弹层 ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:300;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(20,40,45,.5);
}
.modal.is-open{display:flex;}
.modal-card{
  width:100%;
  max-width:620px;
  max-height:90vh;
  overflow-y:auto;
  background:var(--paper);
  border-radius:var(--radius-lg);
  padding:30px 32px 32px;
  box-shadow:0 30px 70px rgba(15,45,52,.3);
  animation:modalIn .25s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px;}
.modal-head h2{font-size:1.4rem;color:var(--ink);}
.modal-head p{margin-top:6px;font-size:14px;color:var(--text);}
.modal-close{
  flex:0 0 auto;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  font-size:22px;line-height:1;
  color:var(--primary-dark);
}
.modal-close:hover{background:var(--primary-light);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--danger);margin-left:2px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--paper);
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,111,126,.14);
  outline:none;
}
.field .err{font-size:13px;color:var(--danger);display:none;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.field.has-error .err{display:block;}
.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-top:16px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--text);
}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto;}
.consent a{color:var(--primary);text-decoration:underline;}
.form-actions{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.form-tip{font-size:12.5px;color:#7B8F92;line-height:1.7;}
.form-success{
  display:none;
  text-align:center;
  padding:34px 10px 20px;
}
.form-success.is-visible{display:block;}
.form-success .ok-ico{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  background:rgba(47,125,91,.12);
  color:var(--success);
  display:flex;align-items:center;justify-content:center;
  font-size:30px;
}
.form-success h3{font-size:1.25rem;color:var(--ink);margin-bottom:8px;}
.form-success p{font-size:14.5px;color:var(--text);max-width:30em;margin:0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#14282D;
  color:#C4D6D4;
  border-top:2px solid var(--primary);
  padding:66px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:#A8BFBD;max-width:34em;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#93AFAD;}
.footer-contact span{display:flex;align-items:center;gap:8px;}
.footer-contact i{
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
  flex:0 0 auto;
}
.footer-col h3{
  font-size:15px;
  color:#fff;
  margin-bottom:14px;
  font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:#A8BFBD;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--gold);padding-left:3px;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FA9A7;
}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:#A8BFBD;transition:color .2s ease;}
.fb-links a:hover{color:var(--gold);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-link{padding:0 10px;font-size:14.5px;}
  .index-grid{grid-template-columns:repeat(3,1fr);}
  .data-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:991px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn-sm{display:none;}
  .header-inner{height:68px;gap:16px;}
  .header-actions{margin-left:auto;}
  .page-hero{padding:48px 0 56px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .page-hero-media{order:-1;}
  .page-hero-media img{aspect-ratio:16/9;}
  .section{padding:72px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .picks-layout{grid-template-columns:1fr;}
  .picks-side{grid-template-columns:1fr 1fr;}
  .rule-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:20px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .data-band{padding:36px 28px;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:15.5px;}
  .page-hero h1{font-size:clamp(1.8rem,7vw,2.3rem);}
  .hero-lead{font-size:16px;}
  .section{padding:56px 0;}
  .index-grid{grid-template-columns:1fr 1fr;}
  .picks-side{grid-template-columns:1fr;}
  .rule-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .data-band{padding:30px 22px;}
  .pick-mini .pick-media{flex:0 0 96px;}
  .pick-mini .pick-media img{width:96px;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a p{padding:0 18px 18px;font-size:14.5px;}
  .form-grid{grid-template-columns:1fr;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{
    max-width:100%;
    border-radius:20px 20px 0 0;
    max-height:90vh;
    padding:24px 20px 28px;
    animation:sheetIn .28s ease;
  }
  @keyframes sheetIn{from{transform:translateY(40px);opacity:.6;}to{transform:none;opacity:1;}}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

@media (max-width:479px){
  .index-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr 1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .pick-body{padding:18px;}
  .site-footer{padding:52px 0 22px;}
}