/* roulang page: index */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-accent:linear-gradient(120deg,#FF7A59,#FF9E7A);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:16px;
  --shadow:0 2px 6px rgba(11,58,52,.05),0 18px 40px -22px rgba(11,58,52,.30);
  --shadow-hover:0 4px 10px rgba(11,58,52,.07),0 26px 52px -24px rgba(11,58,52,.40);
  --sidebar:236px;
  --sec-pad:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover,a:focus{color:inherit;}
img{display:block;max-width:100%;border:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(20px,4vw,48px);padding-right:clamp(20px,4vw,48px);}
.section{padding:var(--sec-pad) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2,.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;color:var(--brand);letter-spacing:-.3px;}
.section-lead{margin-top:12px;font-size:16.5px;line-height:1.8;color:var(--ink-2);max-width:46em;}

/* ============ 侧边竖向导航 ============ */
.app-main{margin-left:var(--sidebar);}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--deep);color:rgba(255,255,255,.78);
  display:flex;flex-direction:column;
  padding:28px 18px 22px;z-index:70;
  border-right:1px solid rgba(255,255,255,.07);
}
.brand{display:block;padding:0 6px 22px;border-bottom:1px solid rgba(255,255,255,.1);}
.brand-main{display:block;font-size:17px;font-weight:700;line-height:1.4;color:#fff;letter-spacing:.4px;}
.brand-sub{display:block;margin-top:8px;font-size:11.5px;letter-spacing:2.4px;color:var(--mint);}
.nav-list{display:flex;flex-direction:column;gap:2px;margin-top:20px;}
.nav-link{
  position:relative;display:block;padding:11px 12px 11px 16px;border-radius:10px;
  font-size:14.5px;color:rgba(255,255,255,.72);transition:background .2s ease,color .2s ease;
}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:18px;border-radius:3px;
  background:var(--mint);transform:translateY(-50%) scaleY(0);transition:transform .22s ease;
}
.nav-link:hover{background:rgba(23,128,106,.18);color:#fff;}
.nav-link:hover::before{transform:translateY(-50%) scaleY(1);}
.nav-link.active{background:rgba(23,128,106,.24);color:#fff;font-weight:600;}
.nav-link.active::before{transform:translateY(-50%) scaleY(1);}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);}
.side-badge{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;margin-bottom:12px;
  border-radius:999px;background:rgba(86,217,168,.14);color:#C9F6E4;font-size:11.5px;
  border:1px solid rgba(86,217,168,.24);
}
.side-badge i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:block;}
.status{display:flex;align-items:center;gap:8px;font-size:11.5px;line-height:1.7;color:rgba(255,255,255,.6);}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(86,217,168,.16);flex:0 0 8px;}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;height:64px;align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(7,42,37,.97);
  position:sticky;top:0;z-index:60;border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-brand{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:.3px;}
.mobile-brand span{display:block;font-size:10.5px;font-weight:400;letter-spacing:1.8px;color:var(--mint);margin-top:2px;}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;padding:0;transition:background .2s ease;
}
.menu-toggle:hover{background:rgba(86,217,168,.16);}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;}
.off-canvas{background:var(--deep);}
.drawer-inner{padding:26px 20px;color:rgba(255,255,255,.78);}
.drawer-inner .brand{padding-bottom:18px;margin-bottom:16px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  position:relative;display:flex;align-items:center;height:52px;padding:0 14px 0 18px;
  border-radius:10px;font-size:15px;color:rgba(255,255,255,.76);
}
.drawer-nav a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:3px;background:var(--mint);opacity:0;}
.drawer-nav a.active,.drawer-nav a:hover{background:rgba(23,128,106,.2);color:#fff;}
.drawer-nav a.active::before,.drawer-nav a:hover::before{opacity:1;}
.drawer-foot{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.55);line-height:1.8;}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--brand-2);background:rgba(23,128,106,.1);border:1px solid rgba(23,128,106,.18);
  padding:5px 14px;border-radius:999px;letter-spacing:.3px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px -12px rgba(255,122,89,.9);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(255,122,89,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-2);border-color:rgba(23,128,106,.45);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(11,58,52,.9);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(11,58,52,.85);}
.btn-brand:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 26px -16px rgba(0,0,0,.5);}
.btn-light:hover{color:var(--brand-2);transform:translateY(-2px);}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;font-weight:500;background:rgba(23,128,106,.1);color:var(--brand);
  border:1px solid rgba(23,128,106,.14);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);flex:0 0 6px;}
.badge-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.16);}
.badge-light::before{background:var(--mint);}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:11.5px;font-weight:500;background:rgba(23,128,106,.12);color:var(--brand);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-2);
  transition:color .2s ease;
}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover{color:var(--accent);}
.text-link:hover .arrow{transform:translateX(3px);}

/* ============ Hero ============ */
.hero{padding:clamp(36px,5vw,64px) 0 clamp(28px,4vw,44px);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center;}
.hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
  color:var(--brand);margin:20px 0 16px;
}
.hero-sub{font-size:clamp(15px,1.5vw,17px);line-height:1.85;color:var(--ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-actions .btn{min-width:168px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
.hero-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(7,42,37,.55) 0%,rgba(23,128,106,.20) 48%,rgba(86,217,168,0) 100%);
}

/* ============ 痛点问句区 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.pain-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px 22px 30px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pain-card::before{
  content:"";position:absolute;left:20px;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--grad);
}
.pain-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;color:var(--ink);}
.pain-card p{font-size:14.5px;line-height:1.75;color:var(--ink-2);}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(23,128,106,.3);}

/* ============ 方案卡片区 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plan-card.span-7{grid-column:span 7;}
.plan-card.span-5{grid-column:span 5;}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(23,128,106,.3);}
.plan-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.plan-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.plan-card:hover .plan-media img{transform:scale(1.04);}
.plan-body{padding:22px 26px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.icon-box{
  width:48px;height:48px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-size:18px;font-weight:700;letter-spacing:-.5px;
}
.plan-body h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);}
.plan-body p{font-size:14.8px;line-height:1.8;color:var(--ink-2);}
.plan-body .text-link{margin-top:auto;padding-top:6px;}

/* 弹层触发条 */
.modal-trigger-row{display:flex;justify-content:center;margin-top:32px;}
.link-btn{
  background:none;border:0;padding:0 0 4px;font-size:15px;font-weight:600;color:var(--brand-2);
  border-bottom:1px dashed rgba(23,128,106,.45);transition:color .2s ease,border-color .2s ease;
}
.link-btn:hover{color:var(--accent);border-bottom-color:rgba(255,122,89,.55);}

/* ============ 数据板块 ============ */
.stats{background:var(--deep);padding:var(--sec-pad) 0;color:#fff;}
.stats .section-title{color:#fff;}
.stats .section-lead{color:rgba(255,255,255,.68);}
.stats-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;}
.stat-item{border-top:1px solid rgba(255,255,255,.16);padding-top:18px;}
.stat-num{
  font-size:clamp(34px,4vw,50px);line-height:1.1;font-weight:700;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#FFFFFF,#8FEFCB);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:#fff;
}
.stat-num small{font-size:14px;font-weight:500;-webkit-text-fill-color:rgba(255,255,255,.72);margin-left:4px;}
.stat-desc{font-size:13px;line-height:1.7;color:rgba(255,255,255,.68);margin-top:8px;}
.stats-note{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}

/* ============ 资讯列表（CMS 循环位） ============ */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(23,128,106,.3);}
.news-thumb{flex:0 0 160px;width:160px;height:110px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);margin-top:auto;}
.news-meta .go{margin-left:auto;color:var(--brand-2);font-weight:600;transition:transform .2s ease;}
.news-item:hover .news-meta .go{transform:translateX(3px);}
.news-item.is-lead{flex-direction:column;padding:20px;}
.news-item.is-lead .news-thumb{flex:none;width:100%;height:auto;aspect-ratio:16/7;}
.news-item.is-lead .news-body h3{font-size:20px;-webkit-line-clamp:2;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  min-height:160px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-md);color:var(--ink-2);font-size:14px;text-align:center;padding:24px;
}
.empty-state strong{font-size:15px;color:var(--ink);font-weight:600;}

/* ============ 表单区 ============ */
.contact-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,36px);box-shadow:var(--shadow);}
.form-card h2{font-size:clamp(22px,2.4vw,28px);color:var(--brand);font-weight:700;line-height:1.4;}
.form-card .form-sub{font-size:14.5px;color:var(--ink-2);margin-top:8px;margin-bottom:22px;line-height:1.75;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:14px;border:1px solid var(--line);
  background:#FBFDFC;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:118px;padding:13px 16px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(78,99,96,.6);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 4px rgba(255,122,89,.18);
}
.field select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;padding-right:44px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2317806A' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.7;color:var(--ink-2);margin-bottom:20px;}
.check-row input{width:18px;height:18px;margin:3px 0 0;accent-color:var(--accent);flex:0 0 18px;}
.check-row a{color:var(--brand-2);font-weight:600;}
.check-row a:hover{color:var(--accent);}
.form-note{font-size:12.5px;color:rgba(78,99,96,.85);margin-top:12px;}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);}
.aside-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.privacy-line{display:flex;gap:10px;font-size:13px;line-height:1.8;color:var(--ink-2);background:rgba(23,128,106,.07);border-radius:14px;padding:14px 16px;margin-bottom:20px;}
.privacy-line .lock{flex:0 0 18px;font-size:15px;line-height:1.5;}
.point-list{display:flex;flex-direction:column;gap:14px;}
.point-list li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--ink-2);}
.point-list li .ck{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:rgba(23,128,106,.14);
  color:var(--brand-2);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.side-contact{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;line-height:1.9;color:var(--ink-2);}
.side-contact strong{color:var(--brand);font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-accordion{border:0;background:transparent;margin:0;}
.faq-accordion .accordion-item{
  position:relative;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);
  margin-bottom:12px;overflow:hidden;box-shadow:0 2px 6px rgba(11,58,52,.05);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(23,128,106,.3);box-shadow:0 12px 28px -20px rgba(11,58,52,.5);}
.faq-accordion .accordion-item.is-active{border-color:rgba(23,128,106,.35);}
.faq-accordion .accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent);border-radius:0 3px 3px 0;
}
.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:14px;min-height:56px;padding:12px 22px;
  font-size:16px;font-weight:600;color:var(--ink);background:transparent;border:0;line-height:1.6;
}
.faq-accordion .accordion-title::before{
  content:"+";order:3;margin-left:auto;font-size:20px;font-weight:400;color:var(--brand-2);
  position:static;transform:none;transition:color .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";color:var(--accent);}
.faq-num{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;min-width:22px;}
.faq-accordion .accordion-content{
  padding:0 22px 20px 58px;border:0;background:transparent;
  font-size:15px;line-height:1.9;color:var(--ink-2);
}
.faq-accordion .accordion-content p{margin:0;}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:var(--grad);border-radius:var(--r-lg);padding:clamp(28px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;color:#fff;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:700;color:#fff;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:40em;}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:clamp(48px,6vw,72px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px;}
.footer-brand .brand-main{font-size:17px;}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:24em;}
.footer-grid h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.5px;margin-bottom:14px;}
.footer-grid a{display:block;font-size:14px;line-height:1.6;color:rgba(255,255,255,.72);padding:5px 0;transition:color .2s ease;}
.footer-grid a:hover{color:var(--mint);}
.footer-contact p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:38px;border-top:1px solid rgba(255,255,255,.14);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ============ Reveal 弹层 ============ */
.reveal-overlay{background:rgba(7,42,37,.55);backdrop-filter:blur(8px);}
.reveal{
  width:520px;max-width:92vw;border-radius:var(--r-lg);padding:32px 30px 30px;
  border:1px solid var(--line);box-shadow:0 30px 60px -20px rgba(7,42,37,.55);background:var(--surface);
}
.reveal h3{font-size:21px;font-weight:700;color:var(--brand);line-height:1.4;}
.reveal .modal-sub{font-size:14px;color:var(--ink-2);line-height:1.75;margin:8px 0 20px;}
.reveal .close-button{
  width:34px;height:34px;border-radius:50%;background:rgba(23,128,106,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;top:16px;right:16px;
  border:0;transition:background .2s ease,color .2s ease;
}
.reveal .close-button:hover{background:var(--accent-soft);color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .side-nav{display:none;}
  .app-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:-1;}
  .plan-card.span-7,.plan-card.span-5{grid-column:span 6;}
  .contact-grid{grid-template-columns:1fr;}
  .stats-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .pain-grid{grid-template-columns:1fr;}
  .plan-card.span-7,.plan-card.span-5{grid-column:span 12;}
  .news-item{flex-direction:column;}
  .news-thumb{flex:none;width:100%;height:auto;aspect-ratio:16/9;}
  .news-item.is-lead .news-thumb{aspect-ratio:16/9;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;min-width:0;}
  .stat-grid{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-accordion .accordion-content{padding-left:22px;}
  .reveal{padding:26px 20px 22px;}
  .badge{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 2px 6px rgba(11,58,52,.05), 0 18px 40px -22px rgba(11,58,52,.30);
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A59,#FF9E7A);
  --rail:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;border:0;background:none;cursor:pointer}
table{border-collapse:collapse}
:focus{outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(86,217,168,.35);color:var(--deep)}

.shell{display:flex;min-height:100vh}
.content-wrap{margin-left:var(--rail);flex:1;min-width:0;display:flex;flex-direction:column}
.main{flex:1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px}

/* ---------- 左侧竖栏 ---------- */
.side-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail);
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:26px 18px 20px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background-image:var(--grad);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:15.5px;font-weight:700;color:var(--brand);letter-spacing:-.2px}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.4px}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-link{
  position:relative;display:block;padding:11px 16px;border-radius:12px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--brand-2);
  transition:height .2s ease;
}
.nav-link:hover{background:rgba(23,128,106,.06);color:var(--brand)}
.nav-link:hover::before{height:58%}
.nav-link.active{background:rgba(23,128,106,.09);color:var(--brand);font-weight:700}
.nav-link.active::before{height:58%}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px solid var(--line)}
.data-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:#EAF5F0;color:var(--brand);font-size:12px;font-weight:600;
  width:max-content;
}
.data-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2);flex:0 0 6px}
.rail-note{font-size:12px;color:var(--ink-2);line-height:1.7;padding-left:4px}
.rail-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(23,128,106,.08);color:var(--brand);font-size:17px;
}
.rail-toggle:hover{background:rgba(23,128,106,.16)}

/* ---------- 抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(7,42,37,.55);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(310px,86vw);
  background:var(--surface);z-index:80;padding:22px 18px;
  transform:translateX(-102%);transition:transform .3s ease;
  box-shadow:0 24px 60px -20px rgba(7,42,37,.5);
  display:flex;flex-direction:column;gap:16px;overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:38px;height:38px;border-radius:50%;background:#F0F5F2;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.drawer-close:hover{background:#E2EDE8}
.drawer-link{
  position:relative;display:flex;align-items:center;height:52px;padding:0 16px;
  border-radius:12px;font-size:15px;color:var(--ink-2);font-weight:500;
}
.drawer-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--brand-2);transition:height .2s ease;
}
.drawer-link:hover{background:rgba(23,128,106,.06);color:var(--brand)}
.drawer-link:hover::before{height:48%}
.drawer-link.active{background:rgba(23,128,106,.09);color:var(--brand);font-weight:700}
.drawer-link.active::before{height:48%}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:34px 0 0;font-size:13px;color:var(--ink-2);
}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-2)}
.crumbs .sep{color:#B7C6C1}
.crumbs .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 30px;border-bottom:1px solid var(--line)}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;
  border-radius:999px;background:#EAF5F0;color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.2px;
}
.article-head h1{
  margin:16px 0 18px;
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.3;
  letter-spacing:-.6px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:13px;color:var(--ink-2)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row .meta-item i{color:var(--brand-2);font-size:13px}
.meta-row .meta-dot{width:4px;height:4px;border-radius:50%;background:#C6D5D0}

/* ---------- 阅读区 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 244px;
  gap:56px;padding:40px 0 0;align-items:start;
}
.article-body{
  max-width:760px;font-size:16px;line-height:1.9;color:var(--ink);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > :first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);line-height:1.45;
  margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--brand-2);
}
.article-body h3{font-size:20px;margin:28px 0 12px;color:var(--brand)}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;line-height:1.85}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand-2)}
.article-body blockquote{
  margin:0 0 24px;padding:18px 22px;background:#EDF7F2;
  border-left:4px solid var(--brand-2);border-radius:0 16px 16px 0;
  color:var(--brand);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:10px 0 12px;box-shadow:var(--shadow)}
.article-body figure{margin:0 0 24px}
.article-body figcaption{font-size:12.5px;color:var(--ink-2);margin-top:8px;line-height:1.7}
.article-body table{
  width:100%;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;margin:0 0 24px;font-size:14px;background:var(--surface);
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;line-height:1.7}
.article-body th{background:#F1F7F4;color:var(--brand);font-weight:600}
.article-body tbody tr:nth-child(even){background:#F8FBF9}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body strong{color:var(--brand);font-weight:700}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;margin-bottom:12px;color:var(--brand);display:flex;align-items:center;gap:8px}
.side-card h3 .bar{width:4px;height:14px;border-radius:3px;background:var(--brand-2);display:inline-block}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 0;font-size:13.5px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.side-list a:last-child{border-bottom:0}
.side-list a i{font-size:11px;color:#A9BDB7;transition:transform .2s ease,color .2s ease}
.side-list a:hover{color:var(--brand-2)}
.side-list a:hover i{transform:translateX(3px);color:var(--brand-2)}
.side-note{font-size:12.5px;color:var(--ink-2);line-height:1.85;margin-top:4px}
.side-facts{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.side-fact{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--ink-2)}
.side-fact b{color:var(--brand);font-variant-numeric:tabular-nums;font-size:15px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:999px;background-image:var(--grad);
  color:#fff;font-size:14px;font-weight:600;margin-top:14px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.side-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(11,58,52,.7)}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--surface);border:1px dashed #CFE0DA;border-radius:var(--radius-lg);
  padding:52px 28px;text-align:center;box-shadow:var(--shadow);
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
}
.empty-title{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.empty-desc{font-size:14.5px;color:var(--ink-2);max-width:460px;margin:0 auto 22px;line-height:1.85}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn i{font-size:13px}
.btn-primary{background-image:var(--grad-cta);color:#fff;box-shadow:0 10px 24px -12px rgba(255,122,89,.9)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(255,122,89,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(255,122,89,.9)}
.btn-ghost{background:transparent;border-color:rgba(11,58,52,.22);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand-2);color:var(--brand-2);background:rgba(23,128,106,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 10px 24px -16px rgba(0,0,0,.6)}
.btn-light:hover{color:var(--brand-2);transform:translateY(-2px)}

/* ---------- 标签与推荐 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:38px 0 0;padding-top:26px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:#EAF5F0;border:1px solid #D8EBE3;
  font-size:12.5px;color:var(--brand);transition:.2s ease;
}
.tag:hover{background:rgba(23,128,106,.14);border-color:#BFDFD3;color:var(--brand-2)}

.related{margin:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(22px,2.3vw,28px);line-height:1.35}
.section-head .more-link{font-size:14px;font-weight:600;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px}
.section-head .more-link i{font-size:11px;transition:transform .2s ease}
.section-head .more-link:hover i{transform:translateX(3px)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(23,128,106,.3);box-shadow:0 10px 22px rgba(11,58,52,.09),0 26px 50px -26px rgba(11,58,52,.42)}
.rec-card .thumb{aspect-ratio:16/10;overflow:hidden}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .thumb img{transform:scale(1.04)}
.rec-card .rec-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:#EAF5F0;color:var(--brand);
  font-size:11px;font-weight:600;width:max-content;
}
.rec-card h3{font-size:16px;line-height:1.55;color:var(--ink);transition:color .2s ease}
.rec-card:hover h3{color:var(--brand-2)}
.rec-card p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:2px;font-size:12px;color:#8AA09A}
.rec-foot i{font-size:11px;color:var(--brand-2)}

.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* ---------- CTA ---------- */
.cta-band{margin:clamp(56px,7vw,88px) 0 0}
.cta-inner{
  background-image:var(--grad);border-radius:var(--radius-lg);
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 50px -30px rgba(11,58,52,.8);
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%);
  pointer-events:none;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15px;line-height:1.85;max-width:560px}
.cta-inner .cta-actions{position:relative;z-index:1;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);margin-top:clamp(56px,7vw,96px);padding:58px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:24px}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.2px}
.site-footer a{display:block;color:rgba(255,255,255,.72);font-size:14px;margin-bottom:10px;transition:color .2s ease}
.site-footer a:hover{color:var(--mint)}
.footer-brand .brand-main{display:block;color:#fff;font-size:19px;font-weight:700;margin-bottom:12px;letter-spacing:-.2px}
.footer-brand p{font-size:13.5px;line-height:1.85;margin:0;max-width:330px;color:rgba(255,255,255,.66)}
.footer-contact p{font-size:13px;line-height:1.85;margin:4px 0 0;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 260px}
  .article-body{max-width:none}
}
@media (max-width:1023px){
  .shell{display:block}
  .side-rail{
    position:sticky;top:0;left:auto;bottom:auto;width:100%;height:64px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 20px;border-right:0;border-bottom:1px solid var(--line);
    overflow:visible;
  }
  .side-rail .nav-list,.side-rail .rail-foot{display:none}
  .rail-toggle{display:inline-flex}
  .content-wrap{margin-left:0}
  .container{padding:0 24px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 30px}
}
@media (min-width:1024px){
  .drawer,.drawer-overlay{display:none}
}
@media (max-width:767px){
  .crumbs{padding-top:26px}
  .article-head h1{font-size:26px;letter-spacing:-.3px}
  .article-body{font-size:15.5px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-side{flex-direction:column}
  .cta-inner h2{font-size:21px}
  .back-row .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .article-head h1{font-size:23px}
  .meta-row{font-size:12.5px;gap:6px 14px}
  .btn{height:48px;font-size:14.5px;padding:0 20px}
  .cta-inner{padding:28px 22px}
  .site-footer{padding-top:44px}
}

/* roulang page: category1 */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-accent:linear-gradient(120deg,#FF7A59 0%,#FF9E7A 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 2px 6px rgba(11,58,52,.05),0 18px 40px -22px rgba(11,58,52,.30);
  --shadow-lg:0 4px 10px rgba(11,58,52,.07),0 26px 52px -22px rgba(11,58,52,.40);
  --sidebar-w:236px;
  --sec-gap:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--brand);font-weight:700;letter-spacing:-.2px;}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:15px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;font-size:inherit;line-height:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(86,217,168,.35);color:var(--deep);}

/* ---------- 布局骨架 ---------- */
.off-canvas-wrapper{overflow-x:hidden;}
.off-canvas-content{position:relative;}
.app-shell{min-height:100vh;}
.content-wrap{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 0 auto;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
}
.section{padding-bottom:var(--sec-gap);}
.section-tight{padding-bottom:clamp(40px,5vw,64px);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{margin-bottom:12px;}
.section-head p{font-size:17px;line-height:1.8;color:var(--ink-2);}

/* ---------- 左侧竖导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;
  flex-direction:column;
  padding:28px 20px 22px;
  background:linear-gradient(180deg,#072A25 0%,#0B3A34 100%);
  border-right:1px solid rgba(255,255,255,.08);
  z-index:60;
  overflow-y:auto;
}
.brand{display:block;margin-bottom:26px;text-decoration:none;}
.brand-main{
  display:block;
  font-size:17px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:.2px;
  color:#FFFFFF;
}
.brand-sub{
  display:inline-block;
  margin-top:9px;
  padding:2px 10px;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--mint);
  border:1px solid rgba(86,217,168,.42);
  border-radius:999px;
}
.nav-list{display:flex;flex-direction:column;gap:2px;flex:1 0 auto;}
.nav-link{
  position:relative;
  display:block;
  padding:11px 14px 11px 18px;
  border-radius:10px;
  font-size:14px;
  line-height:1.5;
  color:rgba(255,255,255,.72);
  transition:background .2s ease,color .2s ease;
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:0;
  border-radius:0 3px 3px 0;
  background:var(--mint);
  transform:translateY(-50%);
  transition:height .22s ease;
}
.nav-link:hover{background:rgba(86,217,168,.10);color:#FFFFFF;}
.nav-link:hover::before{height:18px;}
.nav-link.active{background:rgba(86,217,168,.15);color:#FFFFFF;font-weight:600;}
.nav-link.active::before{height:22px;}
.sidebar-foot{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
}
.sidebar-foot p{
  margin-top:10px;
  font-size:12px;
  line-height:1.7;
  color:rgba(255,255,255,.5);
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:#E4F6EE;
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.badge i{display:block;width:6px;height:6px;border-radius:50%;background:var(--brand-2);}
.badge.on-dark{background:rgba(255,255,255,.10);color:#FFFFFF;}
.badge.on-dark i{background:var(--mint);}
.badge.solid{background:rgba(255,122,89,.14);color:#9C3A1D;}
.badge.solid i{background:var(--accent);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:0 28px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-position .45s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.btn i{font-size:13px;transition:transform .22s ease;}
.btn-primary{
  background-image:var(--grad);
  background-size:170% 100%;
  background-position:0 0;
  color:#FFFFFF;
  box-shadow:0 12px 26px -14px rgba(11,58,52,.78);
}
.btn-primary:hover{background-position:85% 0;transform:translateY(-2px);color:#FFFFFF;box-shadow:0 18px 34px -14px rgba(11,58,52,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(11,58,52,.26);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(11,58,52,.06);border-color:var(--brand-2);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  background:#FFFFFF;
  color:var(--brand);
  box-shadow:0 12px 26px -16px rgba(7,42,37,.8);
}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(7,42,37,.9);}
.btn-light:active{transform:translateY(0);}
.btn:hover i.fa-arrow-right{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  padding:30px 0 6px;
  font-size:12.5px;
  color:var(--ink-2);
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand-2);}
.crumb .sep{color:#BCCCC6;font-size:11px;}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.page-hero{padding:22px 0 clamp(40px,5vw,64px);}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:52px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(23,128,106,.10);
  color:var(--brand-2);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
}
.eyebrow i{font-size:11px;}
.page-hero h1{margin:18px 0 16px;}
.lede{
  max-width:34em;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:var(--brand);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,58,52,.62) 0%,rgba(11,58,52,.14) 48%,rgba(11,58,52,0) 78%);
  pointer-events:none;
}
.hero-media .media-tag{
  position:absolute;
  left:20px;bottom:20px;
  z-index:2;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  backdrop-filter:blur(6px);
}

/* ---------- 步骤时间轴 ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:20px;}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;top:48px;bottom:48px;
  width:2px;
  background:linear-gradient(180deg,rgba(86,217,168,.75) 0%,rgba(86,217,168,.14) 100%);
}
.step{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);gap:24px;align-items:start;}
.step-idx{
  position:relative;
  z-index:1;
  width:48px;height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background-image:var(--grad);
  color:#FFFFFF;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px -12px rgba(11,58,52,.95);
}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 30px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(23,128,106,.35);
}
.step-card h3{margin-bottom:10px;}
.step-card p{font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.step-tip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  padding:8px 14px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#8E3A1F;
  font-size:13px;
  font-weight:600;
}
.step-figure{margin-top:18px;border-radius:var(--r-md);overflow:hidden;}
.step-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 准备清单 ---------- */
.prep-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:38px 40px;
  box-shadow:var(--shadow);
}
.prep-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px 40px;
}
.prep-item{display:flex;gap:14px;align-items:flex-start;}
.check{
  position:relative;
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:4px;
  border-radius:7px;
  background-image:var(--grad);
}
.check::after{
  content:"";
  position:absolute;
  left:7px;top:4px;
  width:6px;height:10px;
  border:solid #FFFFFF;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.prep-item strong{display:block;font-size:15.5px;color:var(--brand);font-weight:600;}
.prep-item p{font-size:14.5px;line-height:1.85;color:var(--ink-2);margin-top:4px;}

/* ---------- 常见卡点 ---------- */
.stuck-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.stuck-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:24px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stuck-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(255,122,89,.42);
}
.stuck-no{
  flex:0 0 40px;
  width:40px;height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(255,122,89,.14);
  color:#A84121;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.stuck-item h3{font-size:16.5px;margin-bottom:6px;}
.stuck-item p{font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.accordion{
  margin:0;
  border:0;
  background:transparent;
}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line) !important;
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-item.is-active{
  border-color:rgba(23,128,106,.38) !important;
  box-shadow:var(--shadow);
}
.accordion-title{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:56px;
  padding:15px 62px 15px 22px !important;
  background:transparent !important;
  border:0 !important;
  font-size:16px;
  font-weight:600;
  color:var(--brand);
  line-height:1.55;
}
.accordion-title:hover{color:var(--brand-2);}
.accordion-title::before{
  content:"" !important;
  position:absolute;
  right:24px;
  top:50%;
  width:9px;height:9px;
  margin:0 !important;
  float:none !important;
  border-right:2px solid var(--brand-2);
  border-bottom:2px solid var(--brand-2);
  background:transparent !important;
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s ease;
}
.accordion-item.is-active .accordion-title::before{
  transform:translateY(-30%) rotate(-135deg);
}
.accordion-title::after{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:0;
  border-radius:0 3px 3px 0;
  background:var(--accent);
  transform:translateY(-50%);
  transition:height .22s ease;
}
.accordion-item.is-active .accordion-title::after{height:26px;}
.faq-no{
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.accordion-item.is-active .faq-no{color:var(--accent);}
.accordion-content{
  padding:16px 22px 22px 22px !important;
  border:0 !important;
  border-top:1px solid var(--line) !important;
  background:transparent !important;
  color:var(--ink-2) !important;
  font-size:15px;
  line-height:1.9;
}
.accordion-content p{margin:0;}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:46px 48px;
  border-radius:var(--r-xl);
  background-image:var(--grad);
  overflow:hidden;
  box-shadow:0 26px 54px -30px rgba(11,58,52,.85);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#FFFFFF;margin-bottom:10px;}
.cta-band p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);max-width:44em;}

/* ---------- 页脚 ---------- */
.site-footer{
  flex-shrink:0;
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.25fr;
  gap:32px;
  padding-bottom:46px;
}
.site-footer h4{color:#FFFFFF;font-size:15px;margin-bottom:14px;}
.site-footer a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,transform .2s ease;
}
.site-footer a:hover{color:var(--mint);transform:translateX(2px);}
.footer-brand .brand-main{font-size:17px;}
.footer-brand p{
  margin-top:12px;
  max-width:34em;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.footer-contact p{
  margin-top:6px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 移动端顶部栏 & 抽屉 ---------- */
.mobile-bar{display:none;}
.hamburger{display:none;}
#mobileDrawer{
  width:84vw;
  max-width:320px;
  padding:24px 18px;
  border:0;
  background:linear-gradient(180deg,#072A25 0%,#0B3A34 100%);
  box-shadow:0 0 60px rgba(7,42,37,.55);
}
#mobileDrawer .brand{margin-bottom:4px;}
#mobileDrawer .nav-list{margin-top:22px;gap:4px;}
#mobileDrawer .nav-link{min-height:52px;display:flex;align-items:center;}
#mobileDrawer .sidebar-foot{margin-top:24px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .content-wrap{margin-left:0;}
  .mobile-bar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    position:sticky;
    top:0;
    z-index:90;
    height:64px;
    padding:0 20px;
    background:rgba(7,42,37,.97);
    border-bottom:1px solid rgba(255,255,255,.10);
    backdrop-filter:blur(12px);
  }
  .mobile-bar .brand{margin:0;}
  .mobile-bar .brand-main{font-size:15px;}
  .mobile-bar .brand-sub{display:none;}
  .hamburger{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:44px;height:44px;
    padding:0 11px;
    border-radius:12px;
    background:rgba(255,255,255,.08);
    transition:background .2s ease;
  }
  .hamburger:hover{background:rgba(255,255,255,.16);}
  .hamburger span{display:block;height:2px;border-radius:2px;background:#FFFFFF;}
  .container{padding:0 32px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding-bottom:clamp(48px,8vw,64px);}
  .section-head{margin-bottom:26px;}
  .section-head p{font-size:16px;}
  .lede{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .prep-card{padding:28px 24px;}
  .prep-grid{grid-template-columns:1fr;gap:22px;}
  .stuck-grid{grid-template-columns:1fr;}
  .timeline::before{left:19px;top:42px;bottom:42px;}
  .step{grid-template-columns:40px minmax(0,1fr);gap:16px;}
  .step-idx{width:40px;height:40px;font-size:13px;}
  .step-card{padding:22px 20px;}
  .cta-band{padding:34px 26px;gap:22px;}
  .cta-band h2{font-size:24px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .page-hero{padding-top:10px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .accordion-title{font-size:15px;padding-right:50px !important;}
  .cta-band{padding:28px 20px;}
  .badge{font-size:12px;padding:0 12px;}
}

/* roulang page: category2 */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A59,#FF9E7A);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:16px;
  --shadow:0 2px 6px rgba(11,58,52,.05),0 18px 40px -22px rgba(11,58,52,.30);
  --shadow-hover:0 6px 14px rgba(11,58,52,.08),0 26px 52px -20px rgba(11,58,52,.38);
  --rail:236px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,figcaption{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
.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;}

/* ---------- 布局骨架 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px;}
.app-main{margin-left:var(--rail);min-height:100vh;}
.section{padding:clamp(48px,6vw,84px) 0;}
.section--tight{padding:clamp(32px,4vw,56px) 0;}
.section--deep{background:var(--deep);color:#fff;}
.section--deep h2{color:#fff;}

/* ---------- 左侧竖向导航 ---------- */
.side-rail{
  position:fixed;top:0;left:0;width:var(--rail);height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:28px 20px 20px;overflow-y:auto;z-index:40;
}
.brand{display:flex;flex-direction:column;gap:2px;text-decoration:none;margin-bottom:26px;}
.brand-main{font-size:19px;font-weight:700;letter-spacing:-.3px;color:var(--brand);line-height:1.35;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand-2);letter-spacing:1.2px;}
.brand:hover .brand-main{color:var(--brand-2);}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-link{
  position:relative;display:block;
  padding:11px 12px 11px 16px;border-radius:10px;
  font-size:15px;color:var(--ink-2);transition:background .2s ease,color .2s ease;
}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--brand-2);transition:height .2s ease;
}
.nav-link:hover{background:rgba(23,128,106,.06);color:var(--brand);}
.nav-link:hover::before{height:18px;}
.nav-link.active{background:rgba(23,128,106,.09);color:var(--brand);font-weight:600;}
.nav-link.active::before{height:22px;background:var(--accent);}
.rail-foot{margin-top:auto;padding-top:22px;}
.rail-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;background:rgba(86,217,168,.16);
  font-size:12px;color:var(--brand);font-weight:500;
}
.rail-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 3px rgba(86,217,168,.35);}
.rail-note{margin-top:12px;font-size:12px;line-height:1.7;color:var(--ink-2);}

/* ---------- 移动端顶栏 / 抽屉 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:60;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 20px;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.brand--sm{margin:0;flex-direction:row;align-items:baseline;gap:8px;}
.brand--sm .brand-main{font-size:16px;}
.brand--sm .brand-sub{font-size:10px;letter-spacing:.8px;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);}
.nav-toggle:hover{border-color:var(--brand-2);box-shadow:var(--shadow);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.off-canvas.position-left{width:288px;background:var(--surface);border-right:1px solid var(--line);}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;padding:24px 20px 16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:19px;line-height:1;cursor:pointer;transition:all .2s ease;
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand-2);}
.nav-list--drawer{padding:14px 12px;}
.nav-list--drawer .nav-link{padding:14px 14px 14px 16px;font-size:15px;border-radius:10px;}
.nav-list--drawer .nav-link.active{background:rgba(23,128,106,.09);}
.drawer-foot{padding:0 20px 26px;font-size:12px;line-height:1.7;color:var(--ink-2);}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0;font-size:13px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand-2);}
.crumb .sep{margin:0 8px;color:var(--line);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:clamp(28px,3vw,40px) 0 clamp(40px,5vw,64px);}
.hero-grid{row-gap:32px;}
.hero .eyebrow{margin-bottom:14px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:rgba(23,128,106,.09);
  font-size:12px;font-weight:600;color:var(--brand-2);letter-spacing:.5px;
}
h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
  color:var(--brand);margin:0 0 16px;
}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(86,217,168,.18);color:var(--brand);font-size:12.5px;font-weight:500;
  font-variant-numeric:tabular-nums;
}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(7,42,37,.62) 0%,rgba(11,58,52,.22) 46%,rgba(86,217,168,0) 100%);
}
.hero-media-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  padding:8px 16px;border-radius:999px;background:rgba(7,42,37,.62);
  color:#fff;font-size:13px;font-weight:500;backdrop-filter:blur(4px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;min-width:168px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background-image:var(--grad-cta);color:#fff;box-shadow:0 12px 26px -14px rgba(255,122,89,.95);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,122,89,1);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(255,122,89,.9);}
.btn-ghost{background:transparent;border-color:rgba(11,58,52,.22);color:var(--brand);}
.btn-ghost:hover{color:var(--brand-2);border-color:var(--brand-2);background:rgba(23,128,106,.06);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- 通用标题 ---------- */
.section-head{max-width:720px;margin-bottom:clamp(26px,3vw,40px);}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;color:var(--brand);
  margin:10px 0 12px;letter-spacing:-.3px;
}
.section-head p{font-size:16px;line-height:1.8;color:var(--ink-2);}
.section--deep .section-head p{color:rgba(255,255,255,.76);}
.section-head .eyebrow{margin-bottom:2px;}

/* ---------- 图文交错 ---------- */
.split-row{row-gap:36px;}
.split-figure{margin:0;}
.split-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow);}
.split-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-2);}
.split-body h2{
  font-size:clamp(22px,2.4vw,29px);line-height:1.4;font-weight:700;color:var(--brand);
  margin:12px 0 14px;letter-spacing:-.3px;
}
.split-body .lead{font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:22px;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{
  position:relative;padding:16px 18px 16px 52px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-sm);font-size:15px;line-height:1.8;
  color:var(--ink);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-list li::before{
  content:"";position:absolute;left:18px;top:20px;width:20px;height:20px;border-radius:7px;
  background-image:var(--grad);
}
.check-list li::after{
  content:"";position:absolute;left:24px;top:25px;width:7px;height:11px;
  border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(42deg);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(23,128,106,.3);}
.check-list strong{display:block;color:var(--brand);font-weight:600;margin-bottom:2px;}

/* ---------- 自查清单 ---------- */
.checklist-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,36px);box-shadow:var(--shadow);
}
.checklist-panel h2{font-size:clamp(22px,2.4vw,28px);color:var(--brand);margin-bottom:10px;line-height:1.4;}
.checklist-panel > p{color:var(--ink-2);font-size:15.5px;margin-bottom:24px;}
.checklist-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.checklist-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:14px;background:rgba(86,217,168,.10);
  font-size:14.5px;line-height:1.7;color:var(--brand);
}
.checklist-item .num{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background-image:var(--grad);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}

/* ---------- 风险提示卡 ---------- */
.alert-grid{row-gap:20px;}
.alert-card{
  height:100%;background:var(--accent-soft);border:1px solid rgba(255,122,89,.28);
  border-radius:var(--r-md);padding:24px 22px 22px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.alert-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px -22px rgba(255,122,89,.9);}
.alert-icon{
  width:40px;height:40px;border-radius:12px;background:#fff;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
  color:var(--accent);font-weight:700;font-size:19px;
}
.alert-card h3{font-size:17px;line-height:1.5;font-weight:600;color:#8A3A22;margin-bottom:8px;}
.alert-card p{font-size:14.5px;line-height:1.8;color:#7A4634;}

/* ---------- FAQ ---------- */
.faq-wrap{padding-top:4px;}
ul.accordion.faq-list{background:transparent;border:none;margin:0;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:hover{border-color:rgba(23,128,106,.32);}
.accordion-item.is-active{border-color:rgba(23,128,106,.38);box-shadow:var(--shadow);}
.accordion-title{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:0 56px 0 26px;height:58px;min-height:58px;
  background:transparent;border:none;color:var(--ink);
  font-size:16px;font-weight:600;line-height:1.5;transition:color .2s ease;
}
.accordion-title::before{
  content:"";position:absolute;right:24px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-30%) rotate(-135deg);}
.accordion-title::after{
  content:"";position:absolute;left:8px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--accent);transition:height .2s ease;
}
.accordion-item.is-active .accordion-title::after{height:26px;}
.accordion-title:hover{color:var(--brand-2);background:rgba(23,128,106,.04);}
.accordion-title:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;}
.faq-num{font-size:13px;font-weight:600;color:var(--brand-2);font-variant-numeric:tabular-nums;letter-spacing:.4px;}
.accordion-item.is-active .faq-num{color:var(--accent);}
.accordion-content{
  background:transparent;border:none;padding:0 26px 22px 26px;
  font-size:15px;line-height:1.9;color:var(--ink-2);
}
.accordion-content p + p{margin-top:12px;}
.accordion-content ul{display:flex;flex-direction:column;gap:8px;margin-top:10px;}
.accordion-content li{position:relative;padding-left:16px;}
.accordion-content li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-2);
}

/* ---------- 底部 CTA ---------- */
.cta-banner{
  border-radius:var(--r-lg);overflow:hidden;background-image:var(--grad);
  padding:clamp(28px,3.6vw,48px);color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3vw,44px);align-items:center;
}
.cta-banner h2{font-size:clamp(22px,2.5vw,30px);line-height:1.4;font-weight:700;margin-bottom:12px;letter-spacing:-.3px;}
.cta-banner p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);max-width:34em;}
.mini-form{display:flex;flex-wrap:wrap;gap:12px;}
.mini-form input{
  flex:1 1 200px;height:50px;padding:0 18px;border-radius:14px;border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.14);color:#fff;font-size:15px;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.mini-form input::placeholder{color:rgba(255,255,255,.72);}
.mini-form input:focus{
  outline:none;border-color:#fff;background:rgba(255,255,255,.22);
  box-shadow:0 0 0 3px rgba(255,122,89,.45);
}
.mini-form .btn{background-image:none;background-color:#fff;color:var(--brand);box-shadow:0 12px 26px -16px rgba(7,42,37,.9);min-width:132px;}
.mini-form .btn:hover{background-color:#FFE7DF;color:var(--brand);transform:translateY(-2px);}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.72);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#fff;padding:clamp(44px,5vw,68px) 0 0;margin-top:clamp(40px,5vw,64px);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:24px;}
.footer-brand .brand-main{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:26em;}
.site-footer h4{font-size:13px;font-weight:600;color:#fff;letter-spacing:.6px;margin-bottom:14px;}
.site-footer a{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:9px;transition:color .2s ease;}
.site-footer a:hover{color:var(--mint);}
.footer-contact p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.58);margin-top:4px;}
.footer-bottom{
  margin-top:36px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .side-rail{display:none;}
  .mobile-bar{display:flex;}
  .app-main{margin-left:0;}
  .container{padding:0 20px;}
  .cta-banner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .checklist-grid{grid-template-columns:1fr;}
  .hero-media img{aspect-ratio:16/11;}
  .section{padding:48px 0;}
}
@media (max-width:520px){
  h1{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-title{padding:0 48px 0 22px;font-size:15px;height:auto;min-height:56px;padding-top:12px;padding-bottom:12px;}
  .accordion-content{padding:0 22px 20px 22px;}
  .cta-banner{padding:26px 20px;}
  .mini-form input{flex:1 1 100%;}
  .mini-form .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-accent:linear-gradient(120deg,#FF7A59 0%,#FF9E7A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 2px 6px rgba(11,58,52,.05),0 18px 40px -22px rgba(11,58,52,.30);
  --shadow-lg:0 6px 14px rgba(11,58,52,.06),0 30px 60px -32px rgba(11,58,52,.40);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(86,217,168,.35);color:var(--brand)}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:236px;
  z-index:40;
  display:flex;
  flex-direction:column;
  padding:26px 18px 22px;
  background:var(--surface);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.brand{display:block;padding:4px 6px 18px;border-bottom:1px solid var(--line)}
.brand-main{
  display:block;
  font-size:20px;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--brand);
  line-height:1.35;
}
.brand-sub{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:8px;
  font-size:12px;
  font-weight:600;
  color:var(--brand-2);
  background:rgba(23,128,106,.10);
  padding:3px 10px;
  border-radius:999px;
}
.nav-list{display:flex;flex-direction:column;gap:3px;margin-top:20px}
.nav-link{
  position:relative;
  display:block;
  padding:11px 14px 11px 20px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--ink-2);
  transition:background .22s ease,color .22s ease;
}
.nav-link::before{
  content:"";
  position:absolute;
  left:7px;top:50%;
  width:3px;height:0;
  transform:translateY(-50%);
  border-radius:3px;
  background:var(--brand-2);
  transition:height .22s ease;
}
.nav-link:hover{background:rgba(23,128,106,.06);color:var(--brand)}
.nav-link:hover::before{height:18px}
.nav-link.active{color:var(--brand);font-weight:700;background:rgba(23,128,106,.09)}
.nav-link.active::before{height:20px}
.side-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:12px;
  line-height:1.75;
  color:var(--ink-2);
}
.status-line{display:flex;align-items:center;font-weight:600;color:var(--brand);margin-bottom:6px}
.status-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--mint);
  margin-right:7px;
  box-shadow:0 0 0 3px rgba(86,217,168,.22);
}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:60;
  height:64px;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand-mini{font-size:17px;font-weight:700;color:var(--brand);letter-spacing:-.2px}
.burger{
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(23,128,106,.09);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;
  transition:background .2s ease;
}
.burger:hover{background:rgba(23,128,106,.16)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand)}
.drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:280px;max-width:86vw;
  z-index:90;
  background:var(--surface);
  padding:22px 18px;
  display:flex;flex-direction:column;
  transform:translateX(-104%);
  transition:transform .28s ease;
  overflow-y:auto;
  box-shadow:24px 0 60px -30px rgba(7,42,37,.45);
}
.drawer.is-open{transform:translateX(0)}
.drawer .nav-link{padding:15px 16px 15px 22px;font-size:15px;min-height:52px;display:flex;align-items:center}
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(7,42,37,.52);
  backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;
  transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer-close{
  align-self:flex-end;
  width:36px;height:36px;border-radius:50%;
  background:rgba(23,128,106,.09);
  color:var(--brand);font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:8px;
}

/* ---------- 版心 ---------- */
.page-shell{margin-left:236px;min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px}
main{flex:1 1 auto}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0;font-size:13px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{margin:0 8px;color:#BCCCC6}
.breadcrumb .cur{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding:22px 0 clamp(40px,5vw,64px)}
.hero-grid{gap:clamp(28px,4vw,56px);align-items:center}
.hero-grid > .cell{flex:1 1 0;min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;
  color:var(--brand-2);
  background:rgba(23,128,106,.09);
  padding:6px 14px;border-radius:999px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--brand);
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:620px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 28px}
.badge{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  border-radius:999px;
  background:#E8F5EF;
  color:var(--brand);
  font-size:12.5px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);margin-right:8px}
.badge.on-dark{background:rgba(255,255,255,.10);color:#fff}
.badge.on-dark::before{background:var(--mint)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;min-width:168px;padding:0 26px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease,background-position .45s ease;
}
.btn-primary{
  background:var(--grad);
  background-size:170% 170%;
  background-position:0 50%;
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(11,58,52,.62);
}
.btn-primary:hover{background-position:100% 50%;color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(11,58,52,.7)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(11,58,52,.6)}
.btn-ghost{
  background:var(--surface);
  color:var(--brand);
  border:1px solid var(--line);
}
.btn-ghost:hover{color:var(--brand-2);border-color:rgba(23,128,106,.45);transform:translateY(-2px);box-shadow:0 12px 26px -18px rgba(11,58,52,.5)}
.btn-ghost:active{transform:translateY(0)}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--shadow-lg);
  background:var(--deep);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(7,42,37,.78) 0%,rgba(23,128,106,.30) 58%,rgba(86,217,168,0) 100%);
}
.figure-note{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  color:#fff;font-size:13px;line-height:1.7;
  text-shadow:0 1px 8px rgba(0,0,0,.3);
}

/* ---------- 板块通用 ---------- */
.section{padding:clamp(48px,6vw,80px) 0}
.section-head{max-width:760px;margin-bottom:clamp(24px,3vw,36px)}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-.3px;
}
.section-head .lead{margin-top:12px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-2);
}
.text-link .arrow{transition:transform .22s ease}
.text-link:hover{color:var(--brand)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- 问答主区 ---------- */
.faq-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:40px;align-items:start}
.anchor-col{position:sticky;top:24px}
.anchor-title{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink-2);margin-bottom:12px;text-transform:uppercase}
.anchor-nav{display:flex;flex-direction:column;gap:6px}
.anchor-link{
  font-size:14px;
  color:var(--ink-2);
  padding:9px 14px;
  border-radius:10px;
  border-left:3px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.anchor-link:hover{background:rgba(23,128,106,.06);color:var(--brand)}
.anchor-link.is-current{color:var(--brand);font-weight:600;background:rgba(23,128,106,.09);border-left-color:var(--brand-2)}

.search-box{position:relative;margin-bottom:26px}
.search-box input{
  width:100%;height:50px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  padding:0 16px 0 46px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:rgba(78,99,96,.62)}
.search-box input:focus{
  outline:none;
  border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(255,122,89,.18);
}
.search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;pointer-events:none;color:var(--brand-2);
}

.qa-group{margin-bottom:42px;scroll-margin-top:24px}
.qa-group[hidden]{display:none}
.group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.group-head h2{font-size:21px;font-weight:700;color:var(--brand);line-height:1.4}
.group-count{font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.qa-accordion{counter-reset:qa}
.qa-item{
  counter-increment:qa;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.qa-item[hidden]{display:none}
.qa-item:hover{border-color:rgba(23,128,106,.34);box-shadow:var(--shadow)}
.qa-item[open]{
  border-color:rgba(23,128,106,.38);
  box-shadow:inset 3px 0 0 var(--accent),0 14px 32px -24px rgba(11,58,52,.6);
}
.qa-item summary{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 20px;
  min-height:56px;
  cursor:pointer;
  list-style:none;
  outline:none;
}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary::marker{content:""}
.qa-num{
  font-size:13px;font-weight:700;
  color:var(--brand-2);
  min-width:22px;padding-top:2px;
  font-variant-numeric:tabular-nums;
}
.qa-num::before{content:counter(qa,decimal-leading-zero)}
.qa-item[open] .qa-num{color:var(--accent)}
.qa-q{flex:1;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);transition:color .2s ease}
.qa-item[open] .qa-q{color:var(--brand)}
.qa-sign{
  flex:none;margin-left:6px;margin-top:-2px;
  font-size:20px;line-height:1.2;
  color:var(--ink-2);
  transition:color .2s ease,transform .2s ease;
}
.qa-item[open] .qa-sign{color:var(--accent);transform:rotate(180deg)}
.qa-body{padding:0 22px 20px 54px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.qa-body p + p{margin-top:10px}
.filter-empty{
  display:none;
  text-align:center;
  padding:44px 24px;
  border:1px dashed var(--line);
  border-radius:16px;
  background:var(--surface);
  color:var(--ink-2);
  font-size:14.5px;
}
.filter-empty.is-on{display:block}
.filter-empty strong{display:block;color:var(--brand);font-size:16px;margin-bottom:6px}

/* ---------- 近期集中提问 ---------- */
.news-scroll{
  display:flex;gap:20px;
  overflow-x:auto;
  padding:4px 2px 14px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.news-scroll::-webkit-scrollbar{height:6px}
.news-scroll::-webkit-scrollbar-thumb{background:rgba(23,128,106,.28);border-radius:8px}
.news-card{
  flex:0 0 306px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(23,128,106,.32)}
.news-card img{width:100%;height:152px;object-fit:cover}
.nc-body{padding:18px 20px 20px}
.nc-tag{
  display:inline-block;
  font-size:11px;font-weight:600;
  color:#0F6B57;
  background:#E8F5EF;
  padding:3px 10px;border-radius:999px;
  margin-bottom:10px;
}
.nc-body h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--brand)}
.nc-body p{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.nc-foot{margin-top:14px;font-size:12.5px;color:rgba(78,99,96,.8)}

/* ---------- 处理路径 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px 26px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(23,128,106,.32)}
.step-index{
  width:34px;height:34px;border-radius:50%;
  background:var(--grad);
  color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:700;color:var(--brand);margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- 提醒 ---------- */
.tips-grid{gap:24px}
.tips-grid > .cell{flex:1 1 0;min-width:0}
.tip-card{
  display:flex;gap:14px;
  background:var(--accent-soft);
  border-radius:16px;
  padding:20px 22px;
  height:100%;
}
.tip-icon{flex:none;width:24px;height:24px;color:var(--accent);margin-top:2px}
.tip-card h3{font-size:15px;font-weight:700;color:#8A3A24;margin-bottom:6px}
.tip-card p{font-size:13.5px;line-height:1.8;color:#8A5140}

/* ---------- 联系与提交 ---------- */
.contact{padding:clamp(48px,6vw,88px) 0}
.contact-inner{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  border-radius:28px;
  padding:clamp(28px,4vw,56px);
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:clamp(26px,4vw,48px);
  align-items:start;
  color:#fff;
}
.contact-inner::before{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(86,217,168,.22),transparent 68%);
  pointer-events:none;
}
.contact-copy{position:relative;z-index:1}
.contact-copy h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
  letter-spacing:-.3px;
}
.contact-copy > p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.76);max-width:460px}
.contact-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.contact-points li{
  position:relative;
  padding-left:26px;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.contact-points li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:12px;height:7px;
  border-left:2px solid var(--mint);
  border-bottom:2px solid var(--mint);
  transform:rotate(-45deg);
}
.form-card{
  position:relative;z-index:1;
  background:var(--surface);
  border-radius:var(--r-lg);
  padding:clamp(20px,3vw,32px);
  color:var(--ink);
  box-shadow:0 28px 60px -34px rgba(0,0,0,.55);
}
.form-card h3{font-size:18px;font-weight:700;color:var(--brand);margin-bottom:4px}
.form-card .form-sub{font-size:13px;color:var(--ink-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  padding:0 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 16px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(78,99,96,.6)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(255,122,89,.18);
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  padding-right:42px;
  background-image:
    linear-gradient(45deg,transparent 50%,var(--brand-2) 50%),
    linear-gradient(135deg,var(--brand-2) 50%,transparent 50%);
  background-position:calc(100% - 21px) 21px,calc(100% - 15px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.checkbox{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-2);
  margin:4px 0 18px;
}
.checkbox input{
  width:18px;height:18px;
  margin:2px 0 0;
  flex:none;
  accent-color:var(--accent);
  border-radius:6px;
}
.form-card .btn{width:100%;min-width:0}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(78,99,96,.78);text-align:center}
.form-feedback{
  display:none;
  margin-top:14px;
  padding:12px 16px;
  border-radius:12px;
  background:#E8F5EF;
  color:#0F6B57;
  font-size:13.5px;
  line-height:1.7;
}
.form-feedback.is-on{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:clamp(48px,6vw,76px) 0 0;
  margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:24px}
.footer-brand .brand-main{display:block;color:#fff;font-size:19px;font-weight:700;margin-bottom:12px;line-height:1.4}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:330px}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin:0 0 14px}
.site-footer a{display:block;font-size:14px;line-height:2;color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--mint)}
.footer-contact p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.62);margin-top:10px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .page-shell{margin-left:0}
  .container{padding:0 20px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .anchor-col{position:static}
  .anchor-title{display:none}
  .anchor-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .anchor-nav::-webkit-scrollbar{height:4px}
  .anchor-nav::-webkit-scrollbar-thumb{background:rgba(23,128,106,.25);border-radius:6px}
  .anchor-link{
    white-space:nowrap;
    border-left:0;
    border:1px solid var(--line);
    border-radius:999px;
    padding:8px 16px;
    background:var(--surface);
  }
  .anchor-link.is-current{border-color:var(--brand-2);background:rgba(23,128,106,.09)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-grid > .cell{flex:1 1 100%}
  .hero-figure{aspect-ratio:16/10}
}
@media (max-width:900px){
  .tips-grid > .cell{flex:1 1 100%}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .hero{padding:16px 0 44px}
  .hero-lead{font-size:16px}
  .btn{min-width:0}
  .btn-row .btn{flex:1 1 100%}
  .news-card{flex:0 0 82%}
  .qa-body{padding:0 18px 18px 46px;font-size:14.5px}
  .qa-item summary{padding:14px 16px}
  .qa-q{font-size:15px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero h1{font-size:28px}
  .section-head h2{font-size:23px}
  .form-card{padding:20px}
  .contact-inner{padding:24px;border-radius:22px}
  .news-card{flex:0 0 88%}
  .badge{font-size:12px;padding:0 12px}
}

/* roulang page: category4 */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A59,#FF9E7A);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:16px;
  --r-xs:14px;
  --shadow:0 2px 6px rgba(11,58,52,.05),0 18px 40px -22px rgba(11,58,52,.30);
  --shadow-hover:0 6px 14px rgba(11,58,52,.08),0 26px 52px -22px rgba(11,58,52,.38);
  --sidebar-w:236px;
  --section-gap:clamp(56px,7vw,96px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;border-radius:0}
input,select,textarea{font:inherit;color:inherit}
a:hover,a:focus{color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(86,217,168,.35);color:var(--brand)}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
  padding:12px 20px;border-radius:0 0 12px 0;z-index:999;
}
.skip-link:focus{left:0;color:#fff}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:clamp(20px,3.4vw,48px);
  padding-right:clamp(20px,3.4vw,48px);
}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:26px 18px 22px;
  z-index:50;
}
.brand-logo{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:4px 8px 20px;
  border-bottom:1px solid var(--line);
}
.brand-main{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--brand);
  line-height:1.3;
  display:block;
}
.brand-sub{
  font-size:11.5px;
  letter-spacing:1.4px;
  color:var(--ink-2);
  font-weight:500;
}
.nav-list{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin-top:20px;
  flex:1 1 auto;
  overflow-y:auto;
}
.nav-link{
  position:relative;
  display:block;
  padding:11px 14px;
  font-size:14.5px;
  color:var(--ink-2);
  border-radius:10px;
  transition:background .22s ease,color .22s ease;
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:20px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  transform:translateY(-50%) scaleY(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.nav-link:hover{background:rgba(23,128,106,.06);color:var(--brand)}
.nav-link:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-link.active{background:rgba(23,128,106,.10);color:var(--brand);font-weight:600}
.nav-link.active::before{transform:translateY(-50%) scaleY(1)}

.sidebar-foot{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:#E9F7F1;color:#0F6B58;
  font-size:12px;font-weight:500;
}
.status-pill .dot{
  width:6px;height:6px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 3px rgba(86,217,168,.25);
}
.foot-note{font-size:12px;color:var(--ink-2);margin-top:11px;line-height:1.7}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{display:none}
.drawer,.drawer-mask{display:none}

/* ============ 内容区 ============ */
.content{margin-left:var(--sidebar-w);min-height:100vh}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:30px 0 0;
  font-size:12.5px;color:var(--ink-2);
}
.breadcrumb a{color:var(--ink-2);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .cur{color:var(--ink);font-weight:600}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.6px;
  color:var(--brand-2);text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-2);
}

/* ---- Hero ---- */
.page-hero{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:clamp(24px,4vw,56px);
  align-items:center;
  padding:clamp(26px,4vw,48px) 0 var(--section-gap);
}
.hero-copy h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--brand);
  margin:16px 0 0;
}
.hero-copy .lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  margin-top:18px;
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--shadow);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(7,42,37,.48) 0%,rgba(23,128,106,.16) 52%,rgba(86,217,168,0) 82%);
}
.hero-media-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
}

/* ---- 按钮 ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;
  transition:transform .25s ease,box-shadow .25s ease,background-position .45s ease,border-color .25s ease,color .25s ease,background-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background-image:var(--grad-cta);
  background-size:170% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(255,122,89,.8);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background-position:100% 0;
  box-shadow:0 16px 32px -12px rgba(255,122,89,.9);
  color:#fff;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px -10px rgba(255,122,89,.8)}
.btn-ghost{
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:rgba(23,128,106,.45);
  background:rgba(23,128,106,.06);
  color:var(--brand);
}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{
  background-image:var(--grad);
  background-size:150% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(11,58,52,.75);
}
.btn-soft:hover{transform:translateY(-2px);background-position:100% 0;color:#fff;box-shadow:0 16px 30px -14px rgba(11,58,52,.8)}
.btn-soft:active{transform:translateY(0)}
.btn-block{width:100%}

/* ---- 徽章 ---- */
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:#E9F7F1;color:#0F6B58;
  font-size:12px;font-weight:500;
  white-space:nowrap;
}
.badge-pill::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.badge-pill.on-dark{background:rgba(255,255,255,.10);color:#fff}
.badge-pill.on-dark::before{background:var(--mint)}

/* ---- 数据条 ---- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  padding:26px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-bottom:var(--section-gap);
}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-num{
  font-size:clamp(28px,3vw,38px);
  font-weight:700;
  letter-spacing:-1px;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:var(--ink-2)}

/* ---- 板块标题 ---- */
.section{padding-bottom:var(--section-gap)}
.section-head{max-width:720px;margin-bottom:clamp(24px,3vw,36px)}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-.4px;
  margin:14px 0 0;
}
.section-head .section-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  margin-top:14px;
}

/* ---- 服务对比卡 ---- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.plan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plan-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(23,128,106,.30);
}
.plan-top{height:6px;background:var(--grad)}
.plan-body{
  display:flex;
  flex-direction:column;
  gap:16px;
  flex:1 1 auto;
  padding:24px 24px 26px;
}
.plan-title{
  font-size:20px;
  font-weight:600;
  color:var(--brand);
  line-height:1.5;
}
.plan-desc{font-size:14px;color:var(--ink-2);line-height:1.8}
.plan-price{
  display:flex;align-items:baseline;gap:6px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.plan-price strong{
  font-size:26px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.plan-price span{font-size:12.5px;color:var(--ink-2)}
.plan-feats{display:flex;flex-direction:column;gap:11px;flex:1 1 auto}
.plan-feats li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.plan-feats li::before{
  content:"✓";
  flex:0 0 18px;
  height:18px;
  margin-top:4px;
  border-radius:50%;
  background:rgba(23,128,106,.12);
  color:var(--brand-2);
  font-size:11px;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
}
.plan-foot{padding-top:20px}

.plan-card--featured{
  background:var(--deep);
  border-color:rgba(255,255,255,.12);
  box-shadow:none;
  transform:translateY(-10px);
}
.plan-card--featured:hover{
  transform:translateY(-14px);
  box-shadow:0 26px 52px -26px rgba(7,42,37,.85);
  border-color:rgba(86,217,168,.45);
}
.plan-card--featured .plan-title{color:#fff}
.plan-card--featured .plan-desc,
.plan-card--featured .plan-feats li{color:rgba(255,255,255,.74)}
.plan-card--featured .plan-price{border-bottom-color:rgba(255,255,255,.14)}
.plan-card--featured .plan-price strong{color:var(--mint)}
.plan-card--featured .plan-price span{color:rgba(255,255,255,.6)}
.plan-card--featured .plan-feats li::before{
  background:rgba(86,217,168,.18);
  color:var(--mint);
}

/* ---- 流程 ---- */
.step-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(23,128,106,.30);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  background:var(--grad);
  color:#fff;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.step-card h3{font-size:18px;font-weight:600;color:var(--brand);line-height:1.5}
.step-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-top:10px}

/* ---- 提示卡 ---- */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.notice-card{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--accent-soft);
  border:1px solid rgba(255,122,89,.22);
  border-radius:var(--r-sm);
  padding:20px;
  font-size:14px;
  line-height:1.8;
  color:#7A3A28;
}
.notice-card .ico{
  flex:0 0 26px;height:26px;border-radius:9px;
  background:rgba(255,122,89,.22);
  color:#B84C2C;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;line-height:1;
}

/* ---- 图文块 ---- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(24px,4vw,52px);
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  aspect-ratio:16/11;
  box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-.3px;
  margin:14px 0 0;
}
.split p{font-size:15.5px;line-height:1.9;color:var(--ink-2);margin-top:16px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.check-list li{
  display:flex;align-items:flex-start;gap:11px;
  font-size:14.5px;line-height:1.75;color:var(--ink-2);
}
.check-list li::before{
  content:"✓";
  flex:0 0 20px;height:20px;margin-top:3px;
  border-radius:50%;
  background:rgba(23,128,106,.12);
  color:var(--brand-2);
  font-size:11px;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
}

/* ---- FAQ ---- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(23,128,106,.28)}
.faq-item[open]{
  border-color:rgba(23,128,106,.35);
  box-shadow:inset 3px 0 0 var(--accent),var(--shadow);
}
.faq-q{
  display:flex;align-items:center;gap:14px;
  min-height:56px;
  padding:12px 22px;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;
  list-style:none;
  line-height:1.6;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q .idx{
  font-size:13px;font-weight:700;color:var(--brand-2);
  font-variant-numeric:tabular-nums;min-width:22px;
  transition:color .2s ease;
}
.faq-item[open] .faq-q .idx{color:var(--accent)}
.faq-q .chev{
  margin-left:auto;flex:0 0 auto;color:var(--ink-2);
  transition:transform .2s ease,color .2s ease;
  font-size:12px;
}
.faq-item[open] .faq-q .chev{transform:rotate(180deg);color:var(--brand-2)}
.faq-a{
  padding:0 22px 20px 58px;
  font-size:15px;line-height:1.9;color:var(--ink-2);
}

/* ---- CTA 横幅 ---- */
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background-image:var(--grad);
  color:#fff;
  padding:clamp(30px,4vw,50px);
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  margin-bottom:var(--section-gap);
}
.cta-banner::after{
  content:"";
  position:absolute;right:-60px;top:-80px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.12);
  pointer-events:none;
}
.cta-banner h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;font-weight:700;letter-spacing:-.3px;
  position:relative;z-index:1;
}
.cta-banner p{
  font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);
  margin-top:10px;max-width:560px;position:relative;z-index:1;
}
.cta-banner .btn{position:relative;z-index:1}

/* ---- 页脚 ---- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:clamp(40px,5vw,64px) 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:24px;
  margin-bottom:36px;
}
.footer-brand .brand-main{
  display:block;
  font-size:17px;font-weight:700;color:#fff;
  letter-spacing:-.3px;margin-bottom:12px;
}
.footer-brand p{font-size:13.5px;line-height:1.85;max-width:300px}
.site-footer h4{
  color:#fff;font-size:14px;font-weight:600;
  margin-bottom:14px;letter-spacing:.2px;
}
.site-footer a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:5px 0;
  transition:color .2s ease,transform .2s ease;
}
.site-footer a:hover{color:var(--mint)}
.footer-contact p{font-size:13px;line-height:1.9;margin-top:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .sidebar{display:none}
  .content{margin-left:0}
  .mobile-bar{
    display:flex;
    position:sticky;top:0;
    height:64px;
    align-items:center;justify-content:space-between;
    padding:0 20px;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    z-index:60;
  }
  .mobile-bar .brand-main{font-size:16px;line-height:1.2}
  .mobile-bar .brand-sub{display:none}
  .menu-toggle{
    display:inline-flex;align-items:center;gap:9px;
    height:38px;padding:0 16px;border-radius:999px;
    border:1px solid var(--line);background:#fff;
    font-size:13px;font-weight:600;color:var(--brand);
    transition:border-color .2s ease,background-color .2s ease;
  }
  .menu-toggle:hover{border-color:rgba(23,128,106,.45);background:rgba(23,128,106,.06)}
  .burger{width:16px;height:10px;position:relative;display:block}
  .burger::before,.burger::after{
    content:"";position:absolute;left:0;width:16px;height:2px;
    border-radius:2px;background:currentColor;transition:transform .25s ease;
  }
  .burger::before{top:0}
  .burger::after{bottom:0}

  .drawer{
    display:flex;
    flex-direction:column;
    position:fixed;
    inset:0 auto 0 0;
    width:286px;
    max-width:86vw;
    background:#fff;
    padding:24px 18px;
    z-index:90;
    transform:translateX(-100%);
    visibility:hidden;
    overflow-y:auto;
    transition:transform .28s ease,visibility .28s ease;
    box-shadow:0 20px 60px -20px rgba(7,42,37,.5);
  }
  body.drawer-open .drawer{transform:translateX(0);visibility:visible}
  .drawer .nav-list{margin-top:22px}
  .drawer .nav-link{padding:0 16px;height:52px;line-height:52px;font-size:15px;border-radius:10px}
  .drawer-mask{
    display:block;
    position:fixed;inset:0;
    background:rgba(7,42,37,.55);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    opacity:0;visibility:hidden;
    transition:opacity .28s ease,visibility .28s ease;
    z-index:80;
  }
  body.drawer-open .drawer-mask{opacity:1;visibility:visible}
  body.drawer-open{overflow:hidden}
}

@media (max-width:900px){
  .page-hero{grid-template-columns:1fr;gap:30px}
  .hero-media{aspect-ratio:16/10;order:-1}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card--featured{transform:none}
  .plan-card--featured:hover{transform:translateY(-4px)}
  .step-grid{grid-template-columns:1fr;gap:16px}
  .notice-grid{grid-template-columns:1fr;gap:14px}
  .split{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px 16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:640px){
  body{font-size:15px}
  :root{--section-gap:48px}
  .hero-copy h1{font-size:28px}
  .hero-copy .lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .cta-banner{padding:26px 22px}
  .cta-banner .btn{width:100%}
  .faq-a{padding-left:22px}
  .faq-q{padding:12px 18px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .plan-body{padding:20px 20px 22px}
  .stat-num{font-size:26px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
  --deep:#072A25;
  --brand:#0B3A34;
  --brand-2:#17806A;
  --mint:#56D9A8;
  --accent:#FF7A59;
  --accent-soft:#FFE7DF;
  --bg:#F5F8F6;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --ink:#14211E;
  --ink-2:#4E6360;
  --grad:linear-gradient(135deg,#0B3A34 0%,#17806A 58%,#56D9A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A59,#FF9E7A);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 2px 6px rgba(11,58,52,.05),0 18px 40px -22px rgba(11,58,52,.30);
  --shadow-hover:0 10px 20px rgba(11,58,52,.08),0 28px 52px -24px rgba(11,58,52,.40);
  --section-gap:clamp(56px,7vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand-2)}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
[id]{scroll-margin-top:88px}
::selection{background:rgba(86,217,168,.35);color:var(--deep)}

/* ---------- 品牌字标 ---------- */
.brand-mark{
  display:block;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.4px;
  line-height:1.3;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.brand-sub{
  display:inline-block;
  margin-top:7px;
  padding:3px 10px;
  font-size:12px;
  font-weight:500;
  line-height:1.6;
  color:var(--brand-2);
  background:rgba(23,128,106,.09);
  border-radius:999px;
}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:236px;
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:20px;
  background:var(--surface);
  border-right:1px solid var(--line);
  z-index:60;
}
.brand{padding:4px 8px 0;display:block}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{
  position:relative;
  display:block;
  padding:11px 12px 11px 16px;
  border-radius:12px;
  font-size:15px;
  color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:18px;
  border-radius:2px;
  background:var(--brand-2);
  transform:translateY(-50%) scaleY(0);
  transition:transform .2s ease;
}
.nav-link:hover{background:rgba(23,128,106,.06);color:var(--brand)}
.nav-link:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-link.active{background:rgba(23,128,106,.10);color:var(--brand);font-weight:600}
.nav-link.active::before{transform:translateY(-50%) scaleY(1)}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.foot-note{font-size:12px;line-height:1.75;color:var(--ink-2)}

/* ---------- 数据徽章 ---------- */
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(86,217,168,.16);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.stat-pill::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-2);
  flex:none;
}
.stat-pill--light{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.14)}
.stat-pill--light::before{background:var(--mint)}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  padding:0 20px;
  align-items:center;
  justify-content:space-between;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.mobile-bar .brand-mark{font-size:17px}
.mobile-bar .brand-sub{margin-top:2px;font-size:11px;padding:2px 8px}
.burger{
  width:44px;height:44px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  transition:.2s;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:.2s}
.burger:hover{border-color:rgba(23,128,106,.4)}
.burger:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.drawer{
  position:fixed;
  top:0;left:0;bottom:0;
  width:288px;
  max-width:86vw;
  padding:24px 18px;
  background:var(--surface);
  border-right:1px solid var(--line);
  transform:translateX(-104%);
  transition:transform .28s ease;
  z-index:90;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer .nav-link{padding:14px 12px 14px 18px;font-size:15px;line-height:1.5}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(7,42,37,.55);
  backdrop-filter:blur(8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer-close{
  align-self:flex-end;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  font-size:16px;
  line-height:1;
  cursor:pointer;
}
.drawer-close:hover{background:rgba(23,128,106,.08)}

/* ---------- 主区与容器 ---------- */
.main{margin-left:236px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
}
.section{padding:var(--section-gap) 0}
.section--tight{padding:clamp(40px,5vw,64px) 0}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
}
.breadcrumb a{transition:color .2s}
.breadcrumb .sep{color:#A9BDB7}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding:clamp(36px,5vw,64px) 0 clamp(28px,4vw,48px)}
.hero-grid{align-items:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand-2);
  text-transform:none;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand-2);
}
.eyebrow--light{color:var(--mint)}
.eyebrow--light::before{background:var(--mint)}
.hero h1{
  margin:16px 0 0;
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--brand);
}
.hero-sub{
  margin-top:16px;
  max-width:34em;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
}
.hero-actions{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.badge-row{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  min-width:168px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background-position .35s ease,background-color .25s ease,border-color .25s ease,color .25s ease;
}
.btn-primary{
  background-image:var(--grad);
  background-size:170% 170%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(23,128,106,.9);
}
.btn-primary:hover{
  background-position:100% 50%;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 18px 34px -14px rgba(23,128,106,.95);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(23,128,106,.9)}
.btn-ghost{
  background:#fff;
  border-color:rgba(11,58,52,.22);
  color:var(--brand);
}
.btn-ghost:hover{
  border-color:var(--brand-2);
  color:var(--brand-2);
  transform:translateY(-2px);
  box-shadow:0 14px 26px -18px rgba(11,58,52,.6);
}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{
  background-image:var(--grad-cta);
  color:#fff;
  box-shadow:0 14px 30px -16px rgba(255,122,89,.95);
}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 36px -16px rgba(255,122,89,1)}
.btn-accent:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- Hero 配图 ---------- */
.hero-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:320px;
  box-shadow:var(--shadow);
  background:var(--deep);
}
.hero-media img{
  width:100%;
  height:100%;
  min-height:320px;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(7,42,37,.62) 0%,rgba(23,128,106,.24) 55%,rgba(86,217,168,0) 100%);
  pointer-events:none;
}
.hero-media-card{
  position:absolute;
  left:20px;right:20px;bottom:20px;
  z-index:2;
  padding:16px 18px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.94);
  border:1px solid rgba(226,234,230,.9);
}
.hero-media-card strong{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.hero-media-card span{
  display:block;
  margin-top:4px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--ink-2);
}

/* ---------- 更新提示条 ---------- */
.notice-bar{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 20px;
  border-radius:var(--radius-md);
  background:rgba(86,217,168,.13);
  border:1px solid rgba(23,128,106,.16);
}
.notice-icon{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--brand-2);
  color:#fff;
  font-size:14px;
  font-weight:700;
  line-height:1;
}
.notice-bar p{font-size:14px;line-height:1.8;color:var(--brand)}

/* ---------- 板块标题 ---------- */
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:28px;
}
.section-head h2{
  margin-top:12px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand);
  letter-spacing:-.3px;
}
.section-desc{
  max-width:36em;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- 文档行卡 ---------- */
.doc-group + .doc-group{margin-top:36px}
.doc-group-title{
  display:flex;
  align-items:center;
  gap:12px;
  margin:34px 0 16px;
  font-size:18px;
  font-weight:700;
  color:var(--brand);
}
.doc-group-title::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
.doc-list{display:flex;flex-direction:column;gap:12px}
.doc-row{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.doc-row:hover{
  transform:translateY(-3px);
  border-color:rgba(23,128,106,.30);
  box-shadow:var(--shadow-hover);
  color:var(--ink);
}
.doc-row:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.doc-icon{
  flex:none;
  width:46px;height:46px;
  border-radius:var(--radius-sm);
  display:grid;
  place-items:center;
  background:rgba(23,128,106,.10);
  color:var(--brand-2);
}
.doc-icon svg{width:22px;height:22px;display:block}
.doc-body{flex:1;min-width:0}
.doc-title{
  display:block;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
}
.doc-meta{
  display:block;
  margin-top:5px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.doc-go{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand-2);
  white-space:nowrap;
  transition:transform .25s ease;
}
.doc-go .arrow{transition:transform .25s ease}
.doc-row:hover .doc-go .arrow{transform:translateX(3px)}

/* ---------- 查阅顺序 ---------- */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  margin-top:26px;
}
.step-card{
  padding:26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(23,128,106,.30);
}
.step-num{
  display:inline-grid;
  place-items:center;
  width:44px;height:44px;
  border-radius:var(--radius-sm);
  background-image:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.step-card h3{
  margin-top:16px;
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--brand);
}
.step-card p{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- 深色板块 ---------- */
.dark-band{
  background:var(--deep);
  color:#fff;
  border-radius:var(--radius-lg);
  margin:0 auto;
  max-width:1200px;
  padding:clamp(36px,5vw,64px) clamp(24px,4vw,48px);
}
.dark-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.dark-band h2{
  margin-top:14px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
}
.dark-band p{
  margin-top:16px;
  font-size:15px;
  line-height:1.9;
  color:rgba(255,255,255,.76);
}
.dark-stats{display:flex;flex-direction:column;gap:14px}
.dark-stat{
  padding:18px 20px;
  border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  display:flex;
  align-items:center;
  gap:16px;
}
.dark-stat .num{
  flex:none;
  min-width:78px;
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.dark-stat .txt{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.76)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(23,128,106,.28)}
.faq-item.is-open{border-color:rgba(23,128,106,.34);box-shadow:var(--shadow)}
.faq-head{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:56px;
  padding:14px 54px 14px 20px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  cursor:pointer;
  transition:color .2s ease,background-color .2s ease;
}
.faq-head::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.faq-item.is-open .faq-head::before{transform:scaleY(1)}
.faq-head:hover{color:var(--brand)}
.faq-head:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-num{
  flex:none;
  font-size:13px;
  font-weight:700;
  color:var(--brand-2);
  font-variant-numeric:tabular-nums;
  transition:color .2s ease;
}
.faq-item.is-open .faq-num{color:var(--accent)}
.faq-head .plus{
  position:absolute;
  right:18px;top:50%;
  width:20px;height:20px;
  margin-top:-10px;
  color:var(--brand-2);
  transition:transform .25s ease,color .25s ease;
}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--accent)}
.faq-body{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-body-inner{
  padding:0 22px 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
}
.faq-item.is-open .faq-body{max-height:420px}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:clamp(28px,4vw,44px);
  border-radius:var(--radius-lg);
  background-image:var(--grad);
  box-shadow:0 24px 50px -28px rgba(11,58,52,.7);
  color:#fff;
}
.cta-banner h2{
  font-size:clamp(22px,2.4vw,29px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
}
.cta-banner p{
  margin-top:10px;
  max-width:40em;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.84);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,6vw,80px);
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:clamp(40px,5vw,64px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:24px;
}
.footer-brand .brand-main{
  display:block;
  font-size:18px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.3px;
}
.footer-brand p{
  margin-top:14px;
  font-size:13.5px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:22em;
}
.site-footer h4{
  margin:0 0 14px;
  font-size:14px;
  font-weight:600;
  color:#fff;
}
.site-footer a{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,transform .2s ease;
}
.site-footer a:hover{color:var(--mint)}
.footer-contact p{
  margin-top:12px;
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,.60);
}
.footer-bottom{
  margin-top:clamp(32px,4vw,48px);
  padding:18px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:rgba(255,255,255,.55);
  font-variant-numeric:tabular-nums;
}

/* ---------- Foundation 栅格间距覆盖 ---------- */
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{width:calc(100% - 24px);margin-left:12px;margin-right:12px}
.hero-grid{row-gap:28px}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 32px}
}
@media screen and (max-width:1023px){
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:64px}
  .container{padding:0 24px}
  .dark-band{border-radius:0;max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-media, .hero-media img{min-height:260px}
}
@media screen and (max-width:900px){
  .dark-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr;gap:16px}
}
@media screen and (max-width:767px){
  .hero-actions .btn{flex:1 1 100%}
  .section-head{flex-direction:column;align-items:flex-start}
  .doc-row{padding:14px 16px;gap:12px}
  .doc-icon{width:42px;height:42px}
  .doc-title{font-size:15px}
  .cta-banner{flex-direction:column;align-items:flex-start}
  .cta-banner .btn{width:100%}
}
@media screen and (max-width:640px){
  :root{--section-gap:48px}
  .container{padding:0 20px}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-sub{font-size:15.5px}
  .badge-row{gap:8px}
  .stat-pill{height:28px;padding:0 12px;font-size:12px}
  .doc-go{display:none}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .footer-bottom{flex-direction:column}
  .dark-stat{flex-direction:column;align-items:flex-start;gap:8px}
  .dark-stat .num{font-size:30px}
  .faq-head{font-size:15px;padding:14px 48px 14px 16px}
  .notice-bar{padding:14px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}