/* roulang page: index */
:root{
  --brand:#0E6E63;
  --brand-dark:#0A4F47;
  --brand-light:#16A085;
  --accent:#FF8A3D;
  --accent-dark:#F2762A;
  --purple:#7A5AF8;
  --success:#17A673;
  --warn:#E8A33D;
  --danger:#E45B5B;
  --bg:#F4F6F5;
  --bg-soft:#EAF0EE;
  --deep:#08201D;
  --ink:#102421;
  --ink-2:#4B5C58;
  --ink-3:#7C8C88;
  --on-dark:#EAF4F1;
  --line:#DCE5E2;
  --grad:linear-gradient(135deg,#0E6E63 0%,#1FA88C 62%,#FFB36B 130%);
  --grad-soft:linear-gradient(135deg,rgba(14,110,99,.10) 0%,rgba(31,168,140,.10) 60%,rgba(255,179,107,.16) 100%);
  --r-xs:10px;--r-sm:12px;--r-md:18px;--r-lg:24px;--r-img:16px;
  --sh-1:0 1px 2px rgba(8,32,29,.04),0 12px 32px rgba(8,32,29,.08);
  --sh-2:0 18px 44px rgba(8,32,29,.14);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:96px;
}
*,*::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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-light)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.no-scroll{overflow:hidden}

/* ============ 布局骨架 ============ */
.app-shell{min-height:100vh}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:240px;background:#fff;
  border-right:1px solid var(--line);padding:var(--sp-4) var(--sp-3) var(--sp-3);
  display:flex;flex-direction:column;gap:var(--sp-3);z-index:60;overflow-y:auto;
}
.content{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--sp-6)}
.narrow{max-width:760px}
.section{padding:var(--sp-8) 0}
.section--soft{background:var(--bg-soft)}
.section--deep{background:var(--deep);color:var(--on-dark)}

/* ============ 品牌 Logo ============ */
.brand{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-1) var(--sp-3);border-bottom:1px solid var(--line)}
.brand-mark{
  font-size:24px;font-weight:800;letter-spacing:.5px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-text{display:block;font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:1.5px;line-height:1.4}
.brand-cn{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.5px}

/* ============ 侧栏导航 ============ */
.menu-label{font-size:11px;letter-spacing:2px;color:var(--ink-3);font-weight:600;padding:var(--sp-2) var(--sp-2) var(--sp-1);margin:0}
.side-menu{display:flex;flex-direction:column;gap:2px}
.menu-item,.anchor-item{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 var(--sp-2);
  border-radius:var(--r-xs);font-size:14px;color:var(--ink-2);position:relative;line-height:1.4;
}
.menu-item i{width:16px;text-align:center;font-size:13px;color:var(--ink-3);transition:color .2s ease}
.menu-item:hover,.anchor-item:hover{background:var(--bg-soft);color:var(--brand)}
.menu-item:hover i{color:var(--brand)}
.menu-item.is-active{background:var(--bg-soft);color:var(--brand);font-weight:600}
.menu-item.is-active i{color:var(--brand)}
.menu-item.is-active::before,.anchor-item.is-current::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad);
}
.anchor-item{font-size:13px;min-height:38px;padding-left:var(--sp-2)}
.side-card{
  margin-top:auto;background:var(--grad-soft);border:1px solid var(--line);
  border-radius:var(--r-md);padding:var(--sp-3);display:flex;flex-direction:column;gap:10px;
}
.side-card p{font-size:13px;color:var(--ink-2);line-height:1.6}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;height:56px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 var(--sp-3);
}
.mobile-bar .brand{border-bottom:0;padding:0;gap:8px}
.hamburger{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-xs);
  color:var(--brand);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.hamburger:focus-visible{outline:3px solid rgba(14,110,99,.3);outline-offset:2px}
.drawer{
  position:fixed;inset:56px 0 0 0;background:#fff;z-index:65;padding:var(--sp-3);
  overflow-y:auto;transform:translateY(-8px);opacity:0;visibility:hidden;transition:.22s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer .menu-item,.drawer .anchor-item{min-height:52px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px}
.drawer .menu-item.is-active,.drawer .anchor-item.is-current{background:#fff}
.drawer .menu-item.is-active::before,.drawer .anchor-item.is-current::before{display:none}
.drawer-cta{margin-top:var(--sp-4)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(14,110,99,.24)}
.btn-primary:hover{color:#fff;box-shadow:0 16px 34px rgba(14,110,99,.32);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(14,110,99,.08);color:var(--brand-dark)}
.btn-ghost:active{transform:scale(.98)}
.btn-onDark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.28);color:#fff}
.btn-onDark:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:13.5px;border-radius:var(--r-xs)}
.btn:focus-visible{outline:3px solid rgba(14,110,99,.3);outline-offset:2px}
.btn[disabled]{filter:saturate(40%);opacity:.6;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link i{transition:transform .2s ease}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.text-link:hover i{transform:translateX(4px)}
.on-dark .text-link{color:var(--brand-light)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:var(--sp-7) 0 var(--sp-6);
  background:
    linear-gradient(180deg,rgba(244,246,245,.94) 0%,rgba(244,246,245,.86) 55%,rgba(234,240,238,.96) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  min-height:86vh;display:flex;align-items:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,179,107,.30) 0%,rgba(255,179,107,0) 68%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:2px;
  color:var(--brand);background:rgba(14,110,99,.08);border:1px solid rgba(14,110,99,.16);
  padding:6px 12px;border-radius:999px;margin-bottom:var(--sp-3);
}
.hero h1{font-size:50px;line-height:1.18;font-weight:800;letter-spacing:-.5px;margin-bottom:var(--sp-3)}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:520px;margin-bottom:var(--sp-4)}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-2);margin-bottom:var(--sp-5)}
.badge-row{display:flex;flex-wrap:wrap;gap:var(--sp-2)}
.badge{
  display:flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:10px 16px;box-shadow:var(--sh-1);min-width:118px;
}
.badge b{font-size:20px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.badge span{font-size:12.5px;color:var(--ink-3)}
.hero-visual{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;
  box-shadow:var(--sh-1);position:relative;
}
.hero-visual::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(31,168,140,.7),rgba(255,255,255,0));
}
.hero-visual img{border-radius:var(--r-img)}
.hero-visual figcaption{font-size:13px;color:var(--ink-3);padding:12px 4px 2px;text-align:center}

/* ============ 区块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-6);flex-wrap:wrap}
.section-head h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.3px}
.section-head .eyebrow{margin-bottom:10px}
.section-head p.lead{font-size:15.5px;color:var(--ink-2);max-width:640px;margin-top:8px}

/* ============ 卡片 ============ */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-4);
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,110,99,.24)}
.card-lg{border-radius:var(--r-lg);padding:var(--sp-5)}
.icon-box{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:17px;margin-bottom:var(--sp-3);
}
.card h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.card .card-foot{margin-top:auto;padding-top:var(--sp-3)}
.feature-main{background:linear-gradient(160deg,#fff 40%,rgba(234,240,238,.85) 100%)}
.feature-main h3{font-size:26px}
.feature-list{display:flex;flex-direction:column;gap:var(--sp-3);margin-top:var(--sp-4)}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.feature-list i{color:var(--brand-light);margin-top:6px;font-size:13px}
.metric-strip{display:flex;gap:var(--sp-4);flex-wrap:wrap;margin-top:var(--sp-4);padding-top:var(--sp-4);border-top:1px dashed var(--line)}
.metric-strip div b{display:block;font-size:22px;font-weight:800;color:var(--purple);font-variant-numeric:tabular-nums}
.metric-strip div span{font-size:12.5px;color:var(--ink-3)}

/* ============ 流程 ============ */
.steps{position:relative;padding-left:6px}
.steps::before{content:"";position:absolute;left:17px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,rgba(14,110,99,.4),rgba(31,168,140,.25),rgba(255,179,107,.35))}
.step{display:flex;gap:var(--sp-3);padding:0 0 var(--sp-4);position:relative}
.step:last-child{padding-bottom:0}
.step-dot{
  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;flex:0 0 34px;box-shadow:0 6px 16px rgba(14,110,99,.28);z-index:2;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:4px}
.step p{font-size:14px;color:var(--ink-2)}
.demo-media{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;box-shadow:var(--sh-1)}
.demo-media img{border-radius:var(--r-img)}

/* ============ 证据区 ============ */
.proof-strip{display:grid;gap:var(--sp-3);grid-template-columns:repeat(4,1fr)}
.proof-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-4);
  box-shadow:var(--sh-1);text-align:left;
}
.proof-item b{display:block;font-size:38px;font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.proof-item span{display:block;font-size:13px;color:var(--ink-3);margin-top:8px}
.logo-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--sp-3);margin-top:var(--sp-5)}
.logo-wall div{
  height:64px;border:1px dashed var(--line);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--ink-3);background:rgba(255,255,255,.6);filter:grayscale(1);transition:.25s ease;letter-spacing:1px;
}
.logo-wall div:hover{filter:grayscale(0);color:var(--brand);border-color:rgba(14,110,99,.3);background:#fff}

/* ============ 方案卡 ============ */
.plan-card{position:relative;padding-top:calc(var(--sp-4) + 6px)}
.plan-card.is-featured{border:1.5px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;box-shadow:var(--sh-2);margin-top:-8px}
.plan-tag{
  position:absolute;top:14px;right:14px;font-size:12px;font-weight:700;color:#fff;background:var(--accent);
  padding:4px 10px;border-radius:999px;letter-spacing:1px;
}
.plan-name{font-size:20px;font-weight:700;margin-bottom:6px}
.plan-desc{font-size:13.5px;color:var(--ink-3);margin-bottom:var(--sp-3)}
.plan-list{display:flex;flex-direction:column;gap:10px;margin-bottom:var(--sp-4)}
.plan-list li{display:flex;gap:8px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.plan-list i{color:var(--success);margin-top:5px;font-size:13px}

/* ============ 资讯列表 ============ */
.news-grid{margin-top:var(--sp-1)}
.news-lead{
  display:flex;gap:var(--sp-4);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-3);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;height:100%;align-items:center;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-lead-media{flex:0 0 46%;max-width:46%}
.news-lead-media img{border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover}
.news-lead-body h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.45;margin-bottom:8px}
.news-lead:hover .news-lead-body h3{color:var(--brand)}
.news-stack{display:flex;flex-direction:column;gap:var(--sp-2)}
.news-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:var(--sp-3);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;box-shadow:var(--sh-1);display:block;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,110,99,.24)}
.news-item h3{font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:6px}
.news-item:hover h3{color:var(--brand)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;color:var(--ink-2);line-height:1.7}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--brand);
  background:rgba(14,110,99,.08);border:1px solid rgba(14,110,99,.16);padding:3px 10px;border-radius:999px;
}
.tag--purple{color:var(--purple);background:rgba(122,90,248,.08);border-color:rgba(122,90,248,.18)}
.meta-time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:var(--sp-6) var(--sp-4);
  text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--sp-3);
}
.empty-state i{font-size:26px;color:var(--brand-light)}
.empty-state p{font-size:14.5px;color:var(--ink-2)}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;display:flex;flex-direction:column;gap:var(--sp-2)}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--r-md)!important;background:#fff!important;
  box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:box-shadow .22s ease;
}
.accordion-item.is-active{box-shadow:var(--sh-2)}
.accordion-item.is-active::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.accordion-title{
  border:0!important;background:transparent!important;font-size:16.5px!important;font-weight:600!important;
  color:var(--ink)!important;padding:20px 56px 20px 24px!important;line-height:1.5;position:relative;
}
.accordion-title::before{
  content:"\f067"!important;font-family:"Font Awesome 6 Free";font-weight:900;color:var(--brand)!important;
  right:22px!important;top:22px!important;font-size:13px!important;transition:transform .25s ease;margin:0!important;
}
.accordion-item.is-active .accordion-title::before{content:"\f00d"!important;transform:rotate(180deg)}
.accordion-title:hover{color:var(--brand)!important}
.accordion-content{border:0!important;background:#fff!important;padding:0 24px 20px!important;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.accordion-content p{margin:0}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;overflow:hidden;background:var(--deep);border-radius:var(--r-lg);
  padding:var(--sp-7) var(--sp-6);color:var(--on-dark);text-align:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 320px at 15% 0%,rgba(31,168,140,.42) 0%,rgba(31,168,140,0) 62%),
             radial-gradient(560px 300px at 92% 110%,rgba(255,179,107,.32) 0%,rgba(255,179,107,0) 60%);
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{font-size:34px;font-weight:700;line-height:1.3;margin-bottom:12px}
.cta-card p{font-size:15.5px;color:rgba(234,244,241,.82);max-width:620px;margin:0 auto var(--sp-4)}
.cta-actions{display:flex;gap:var(--sp-2);justify-content:center;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(234,244,241,.72);padding:var(--sp-7) 0 var(--sp-4);margin-top:var(--sp-6)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:var(--sp-5)}
.site-footer h4{font-size:14px;color:#fff;font-weight:700;letter-spacing:1px;margin-bottom:var(--sp-3)}
.site-footer p{font-size:13.5px;line-height:1.85}
.site-footer .f-brand{margin-bottom:var(--sp-2)}
.site-footer .f-brand .brand-mark{font-size:22px}
.site-footer a{color:rgba(234,244,241,.72);font-size:13.5px}
.site-footer a:hover{color:var(--brand-light)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-bottom{
  margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap;font-size:12.5px;color:rgba(234,244,241,.55);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:80;display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:0 24px;border-radius:999px;background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 16px 36px rgba(14,110,99,.34);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:.28s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 44px rgba(14,110,99,.42)}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{padding:0 var(--sp-5)}
  .hero h1{font-size:46px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .content{margin-left:0}
  .mobile-bar{display:flex}
  .section{padding:72px 0}
  .hero{min-height:auto;padding:56px 0}
  .hero h1{font-size:36px}
  .hero-sub{font-size:16.5px}
  .section-head h2{font-size:28px}
  .cta-card h2{font-size:28px}
  .cta-card{padding:var(--sp-6) var(--sp-4)}
  .proof-strip{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-4)}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;border-radius:16px 16px 0 0;justify-content:center;
    transform:translateY(100%);padding:0 var(--sp-4);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .content{padding-bottom:72px}
}
@media (max-width:767px){
  .container{padding:0 var(--sp-4)}
  .section{padding:56px 0}
  .hero h1{font-size:30px}
  .hero h1 br{display:none}
  .section-head h2{font-size:24px}
  .card-lg{padding:var(--sp-4)}
  .card h3{font-size:19px}
  .news-lead{flex-direction:column;align-items:stretch}
  .news-lead-media{flex:none;max-width:100%}
  .proof-item b{font-size:32px}
  .cta-card h2{font-size:24px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-actions{flex-direction:column;align-items:stretch}
  .footer-grid{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:519px){
  .badge-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .badge{flex:0 0 auto}
  .proof-strip{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
  --primary:#0E6E63;
  --primary-dark:#0A4F47;
  --primary-light:#16A085;
  --accent:#FF8A3D;
  --accent-dark:#F2762A;
  --violet:#7A5AF8;
  --success:#17A673;
  --warn:#E8A33D;
  --danger:#E45B5B;
  --bg:#F4F6F5;
  --bg-soft:#EAF0EE;
  --dark:#08201D;
  --text:#102421;
  --text-2:#4B5C58;
  --text-3:#7C8C88;
  --on-dark:#EAF4F1;
  --border:#DCE5E2;
  --radius-btn:12px;
  --radius-card:18px;
  --radius-lg:24px;
  --radius-img:16px;
  --shadow-sm:0 1px 2px rgba(8,32,29,.04),0 12px 32px rgba(8,32,29,.08);
  --shadow-lg:0 18px 44px rgba(8,32,29,.14);
  --grad:linear-gradient(135deg,#0E6E63 0%,#1FA88C 62%,#FFB36B 100%);
  --grad-line:linear-gradient(180deg,#0E6E63,#1FA88C);
  --sidebar:240px;
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;background-color:transparent}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(14,110,99,.3);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 布局骨架 ============ */
.side-nav{
  position:fixed;left:0;top:0;width:var(--sidebar);height:100vh;
  background:#fff;border-right:1px solid var(--border);
  padding:24px 16px 20px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:60;
}
.page-body{margin-left:var(--sidebar)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.section-tight{padding:64px 0}

/* ============ 品牌字标 ============ */
.brand{display:inline-flex;align-items:baseline;gap:8px;padding:6px 12px;border-radius:12px}
.brand-mark{
  font-size:26px;font-weight:900;letter-spacing:.5px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-text{font-size:13px;font-weight:700;color:var(--text-2);letter-spacing:.04em}
.f-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:12px}
.f-brand .brand-mark{font-size:22px}

/* ============ 侧栏导航 ============ */
.menu-label{
  font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--text-3);
  text-transform:uppercase;margin:0 0 8px 12px;
}
.side-menu{display:flex;flex-direction:column;gap:4px}
.anchor-item{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px;
  border-radius:10px;font-size:15px;color:var(--text-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.anchor-item:hover{background:var(--bg-soft);color:var(--primary)}
.anchor-item.is-active{background:var(--bg-soft);color:var(--primary);font-weight:700}
.anchor-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--grad-line);
}
.side-card{
  margin-top:auto;background:linear-gradient(160deg,#EAF0EE 0%,#F6F9F8 100%);
  border:1px solid var(--border);border-radius:18px;padding:18px;
}
.side-card h4{font-size:15px;font-weight:800;margin-bottom:6px}
.side-card p{font-size:13px;line-height:1.7;color:var(--text-2);margin-bottom:12px}
.side-card .mini-btn{
  display:inline-flex;align-items:center;justify-content:center;width:100%;height:40px;
  border-radius:10px;background:linear-gradient(135deg,#0E6E63,#1FA88C);color:#fff;
  font-size:14px;font-weight:700;transition:transform .2s ease,box-shadow .2s ease;
}
.side-card .mini-btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,110,99,.28);color:#fff}

/* ============ 移动端顶部栏与抽屉 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:80;height:56px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-bar .brand{padding:0}
.nav-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;cursor:pointer;
  color:var(--primary);font-size:18px;line-height:1;
}
.nav-toggle:hover{background:#DFE9E6}
.drawer{
  display:none;position:fixed;left:0;right:0;top:56px;bottom:0;background:#fff;z-index:75;
  padding:16px 16px 32px;overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-group{margin-bottom:20px}
.drawer a.nav-link,.drawer a.anchor-item{height:52px;border-bottom:1px solid var(--border);border-radius:0;font-size:16px}
.drawer a.anchor-item{border-radius:10px;border-bottom:0}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;height:50px;border-radius:12px;
  background:linear-gradient(135deg,#0E6E63,#1FA88C);color:#fff;font-weight:700;margin-top:16px;
}

/* ============ 导航链接（站点入口） ============ */
.nav-link{
  display:flex;align-items:center;height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--text-2);transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--bg-soft);color:var(--primary)}
.nav-link.is-current{background:rgba(14,110,99,.1);color:var(--primary);font-weight:800}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#0E6E63,#1FA88C);color:#fff;box-shadow:0 10px 24px rgba(14,110,99,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#0A4F47,#16A085);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(14,110,99,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(14,110,99,.08);color:var(--primary-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost-light{border-color:rgba(255,255,255,.52);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);
}
.text-link::after{content:"→";transition:transform .2s ease}
.text-link:hover::after{transform:translateX(4px)}

/* ============ Hero ============ */
.hero{
  position:relative;color:var(--on-dark);overflow:hidden;
  padding:72px 0 80px;
  background:
    radial-gradient(760px 420px at 88% 8%,rgba(255,179,107,.22),transparent 62%),
    linear-gradient(135deg,rgba(14,110,99,.95) 0%,rgba(10,79,71,.97) 70%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero .container{position:relative;z-index:2}
.hero h1{
  font-size:clamp(28px,3.4vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 14px;color:#fff;max-width:16em;
}
.hero-sub{font-size:17px;font-weight:700;color:#CFF3E9;margin-bottom:14px}
.hero-desc{font-size:16px;line-height:1.9;color:rgba(234,244,241,.86);max-width:36em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:12px;font-weight:700;letter-spacing:.12em;color:#EAF4F1;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-visual{
  position:relative;background:#fff;border-radius:var(--radius-lg);padding:14px;
  box-shadow:0 24px 60px rgba(4,20,18,.32);
}
.hero-visual::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.9),transparent);
}
.hero-visual img{border-radius:var(--radius-img);width:100%;height:auto}
.hero-visual .visual-tag{
  position:absolute;left:26px;bottom:26px;display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:999px;background:rgba(8,32,29,.78);
  color:#EAF4F1;font-size:13px;font-weight:700;backdrop-filter:blur(6px);
}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.fact-chip{
  display:inline-flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
}
.fact-chip .n{font-size:16px;font-weight:800;color:#fff}
.fact-chip .l{font-size:13px;color:rgba(234,244,241,.82)}

/* ============ 通用标题 ============ */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(24px,2.5vw,34px);line-height:1.28;font-weight:800;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:16px}

/* ============ 图文交替 ============ */
.split-block{padding:0}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;background:#fff;padding:12px;
  box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
}
.split-media:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.split-media img{border-radius:var(--radius-img);width:100%;height:auto}
.split-copy h2{font-size:clamp(23px,2.2vw,30px);line-height:1.32;font-weight:800;margin-bottom:16px}
.split-copy p{color:var(--text-2);font-size:16px;margin-bottom:14px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;margin-top:4px;
  background:linear-gradient(135deg,rgba(14,110,99,.14),rgba(31,168,140,.14));
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:var(--bg-soft);color:var(--primary);
  border:1px solid var(--border);
}
.tag.violet{background:rgba(122,90,248,.1);color:#5B41D6;border-color:rgba(122,90,248,.2)}
.tag.accent{background:rgba(255,138,61,.12);color:#C25A12;border-color:rgba(255,138,61,.24)}

/* ============ 数据徽章横条 ============ */
.stat-band{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 24px;box-shadow:var(--shadow-sm);
}
.stat-item{text-align:center;padding:14px 8px}
.stat-item .num{
  display:block;font-size:clamp(30px,3.4vw,40px);font-weight:800;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item .desc{font-size:13px;color:var(--text-3);margin-top:8px}
.stat-divider{width:1px;background:var(--border);align-self:stretch}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;margin:0;display:flex;flex-direction:column;gap:16px}
.accordion-item{
  position:relative;border:1px solid var(--border);border-radius:var(--radius-card);
  background:#fff;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:hover{border-color:rgba(14,110,99,.28);box-shadow:var(--shadow-lg)}
.accordion-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad-line);opacity:0;transition:opacity .2s ease;
}
.accordion-item.is-active::before{opacity:1}
.accordion-title{
  display:block;padding:20px 60px 20px 26px;font-size:17px;font-weight:700;color:var(--text);
  border:0;background:transparent;position:relative;line-height:1.6;
}
.accordion-title:hover{color:var(--primary)}
.accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  margin:0;font-size:22px;font-weight:400;color:var(--primary);line-height:1;
  transition:transform .24s ease;
}
.accordion-item.is-active > .accordion-title::before{content:"×";transform:translateY(-50%) rotate(0deg)}
.accordion-content{padding:0 60px 22px 26px;border:0;background:transparent;color:var(--text-2);font-size:15px}
.accordion-content p{margin:0}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px 48px;color:var(--on-dark);
  background:
    radial-gradient(620px 320px at 88% 12%,rgba(255,179,107,.26),transparent 60%),
    linear-gradient(135deg,#0A4F47 0%,#0E6E63 58%,#12776A 100%);
  box-shadow:0 24px 56px rgba(8,32,29,.26);
}
.cta-card h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:800;color:#fff;margin-bottom:14px}
.cta-card p{font-size:16px;color:rgba(234,244,241,.86);max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;
  background:linear-gradient(135deg,#0E6E63,#1FA88C);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 16px 36px rgba(14,110,99,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,box-shadow .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;box-shadow:0 20px 44px rgba(14,110,99,.44)}
.float-cta .pulse{
  width:8px;height:8px;border-radius:50%;background:#8FF0D2;box-shadow:0 0 0 4px rgba(143,240,210,.24);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(234,244,241,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(234,244,241,.66)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(234,244,241,.72);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#16A085}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  font-size:13px;color:rgba(234,244,241,.56);
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{max-width:1120px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .page-body{margin-left:0}
  .mobile-bar{display:flex}
  .drawer{display:block}
  .container{padding:0 20px}
  .section{padding:72px 0}
  .section-tight{padding:52px 0}
  .hero{padding:48px 0 56px}
  .hero-visual{margin-top:32px}
  .cta-card{padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  body{padding-bottom:72px}
  .float-cta{
    left:16px;right:16px;bottom:0;height:56px;border-radius:16px 16px 0 0;justify-content:center;
  }
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-desc{font-size:15px}
  .sec-head h2{font-size:24px}
  .split-copy h2{font-size:22px}
  .accordion-title{font-size:16px;padding:18px 52px 18px 20px}
  .accordion-content{padding:0 20px 20px 20px}
  .stat-band{padding:20px 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --brand:#0E6E63;
  --brand-dark:#0A4F47;
  --brand-light:#16A085;
  --accent:#FF8A3D;
  --accent-dark:#F2762A;
  --purple:#7A5AF8;
  --success:#17A673;
  --warn:#E8A33D;
  --danger:#E45B5B;
  --bg:#F4F6F5;
  --bg-2:#EAF0EE;
  --dark:#08201D;
  --text:#102421;
  --text-2:#4B5C58;
  --text-3:#7C8C88;
  --border:#DCE5E2;
  --light-text:#EAF4F1;
  --grad:linear-gradient(135deg,#0E6E63 0%,#1FA88C 62%,#FFB36B 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,110,99,.10) 0%,rgba(31,168,140,.08) 62%,rgba(255,179,107,.14) 100%);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(8,32,29,.04),0 12px 32px rgba(8,32,29,.08);
  --sh-2:0 18px 44px rgba(8,32,29,.14);
  --sidebar-w:240px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-light)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,110,99,.3);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 侧边竖向导航 ---------- */
.site-header{position:relative;z-index:60}
.sidebar{
  position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:26px 18px 22px;overflow-y:auto;
}
.brand{display:flex;align-items:baseline;gap:8px;padding:0 8px 20px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.brand-mark{
  font-size:26px;font-weight:800;letter-spacing:.5px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:14px;font-weight:600;color:var(--text-2);letter-spacing:.5px}
.side-menu{display:flex;flex-direction:column;gap:4px;padding:18px 0 0}
.menu-label{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);
  padding:14px 10px 6px;font-weight:600;
}
.menu-item,.anchor-item{
  display:flex;align-items:center;min-height:44px;padding:10px 12px;
  border-radius:10px;font-size:15px;color:var(--text-2);
  position:relative;line-height:1.4;
}
.menu-item:hover,.anchor-item:hover{background:var(--bg-2);color:var(--brand)}
.menu-item.is-active,.anchor-item.is-active{
  background:var(--bg-2);color:var(--brand);font-weight:600;
}
.menu-item.is-active::before,.anchor-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad);
}
.side-cta{
  margin-top:auto;background:var(--grad-soft);border:1px solid var(--border);
  border-radius:var(--r-md);padding:18px 16px;
}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:12px;line-height:1.6}

/* ---------- 移动端顶栏 & 抽屉 ---------- */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);backdrop-filter:blur(8px);
}
.brand--compact{padding:0;border:none;gap:6px}
.brand--compact .brand-mark{font-size:21px}
.brand--compact .brand-sub{font-size:12px}
.hamburger{
  width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#fff;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand)}
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;padding:20px 20px 32px;
  transform:translateY(-102%);transition:transform .28s ease;overflow-y:auto;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-head .brand-mark{font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.drawer-head .brand-sub{font-size:13px;color:var(--text-2);margin-left:6px}
.drawer-close{width:40px;height:40px;border:1px solid var(--border);border-radius:12px;background:#fff;font-size:22px;line-height:1;color:var(--text-2);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 18px}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 6px;border-bottom:1px solid var(--border);
  color:var(--text);font-size:16px;
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer .menu-label{padding-left:6px}

/* ---------- 主区域 ---------- */
.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page-body{flex:1 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(14,110,99,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,110,99,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(14,110,99,.08);color:var(--brand)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.btn-block{width:100%}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);opacity:.7;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--bg-2);color:var(--brand);
}
.tag--purple{background:rgba(122,90,248,.12);color:var(--purple)}
.tag--accent{background:rgba(255,138,61,.14);color:var(--accent-dark)}
.stat-badge{
  display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--border);box-shadow:var(--sh-1);
}
.stat-badge b{font-size:30px;line-height:1.2;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-badge span{font-size:13px;color:var(--text-3)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;padding:44px 0 40px;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F4F6F5 100%);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.07;pointer-events:none;
}
.article-hero .container{position:relative}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .crumb-sep{color:#B9C6C2}
.breadcrumb .crumb-current{color:var(--brand);font-weight:600}
.cat-label{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:14px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  background:var(--bg-2);border-radius:999px;padding:6px 14px;
}
.article-hero h1{
  font-size:36px;line-height:1.28;font-weight:800;letter-spacing:-.2px;max-width:900px;
  color:var(--text);margin-bottom:16px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--text-3)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--brand-light)}

/* ---------- 正文区 ---------- */
.article-section{padding:48px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-content{
  max-width:760px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:44px 46px;box-shadow:var(--sh-1);font-size:17px;line-height:1.85;color:var(--text-2);
}
.article-content h2{
  font-size:27px;line-height:1.35;font-weight:700;color:var(--text);
  margin:44px 0 16px;padding-left:16px;position:relative;
}
.article-content h2:first-child{margin-top:0}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.article-content h3{font-size:21px;line-height:1.4;font-weight:600;color:var(--text);margin:30px 0 12px}
.article-content h4{font-size:18px;font-weight:600;color:var(--text);margin:24px 0 10px}
.article-content p{margin:0 0 1.15em}
.article-content strong{color:var(--text);font-weight:600}
.article-content a{color:var(--brand);border-bottom:1.5px solid rgba(14,110,99,.35)}
.article-content a:hover{border-bottom-color:var(--brand)}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding:0}
.article-content li{position:relative;padding-left:24px;margin-bottom:10px}
.article-content ul>li::before{
  content:"";position:absolute;left:5px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-content ol{counter-reset:item}
.article-content ol>li{counter-increment:item}
.article-content ol>li::before{
  content:counter(item);position:absolute;left:0;top:.42em;
  width:20px;height:20px;border-radius:50%;background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-content blockquote{
  position:relative;margin:26px 0;padding:20px 22px 20px 24px;
  background:var(--bg-2);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-content blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-1)}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-content pre{
  background:#F1F5F3;border:1px solid var(--border);border-radius:var(--r-sm);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;color:var(--text);margin:0 0 1.3em;
}
.article-content code{
  background:#EEF3F1;border-radius:6px;padding:2px 7px;font-size:14px;color:var(--brand-dark);
}
.article-content pre code{background:none;padding:0;color:inherit}
.article-content hr{border:none;height:1px;background:var(--border);margin:36px 0}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:0 0 1.4em;font-size:15px;
  border:1px solid var(--border);border-radius:var(--r-sm);overflow:hidden;
}
.article-content thead th{background:var(--bg-2);color:var(--text);font-weight:600;text-align:left}
.article-content th,.article-content td{padding:12px 16px;border-bottom:1px solid var(--border)}
.article-content tbody tr:last-child td{border-bottom:none}
.article-content tbody tr:hover{background:#FAFCFB}

/* 正文侧栏 */
.article-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.aside-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:14px}
.aside-card ol{counter-reset:idx;display:flex;flex-direction:column;gap:10px}
.aside-card ol li{counter-increment:idx;position:relative;padding-left:30px;font-size:14px;color:var(--text-2);line-height:1.6}
.aside-card ol li::before{
  content:counter(idx);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;
  background:var(--bg-2);color:var(--brand);font-size:12px;font-weight:700;text-align:center;line-height:20px;
}
.aside-card--cta{background:var(--grad-soft);border-color:rgba(14,110,99,.18)}
.aside-card--cta p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.aside-list{display:flex;flex-direction:column;gap:12px}
.aside-list a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.5}
.aside-list a:hover{color:var(--brand)}
.aside-list i{margin-top:5px;color:var(--brand-light);font-size:12px}

/* ---------- 内联提示卡 ---------- */
.inline-cta{
  margin:40px 0 0;padding:26px 28px;border-radius:var(--r-md);
  background:var(--grad-soft);border:1px solid rgba(14,110,99,.16);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.inline-cta h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:6px}
.inline-cta p{font-size:14px;color:var(--text-2);max-width:520px}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--border);
  border-radius:var(--r-lg);
}
.empty-state i{font-size:34px;color:var(--brand-light);margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-3);margin-bottom:22px}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brand-light);
  margin-bottom:10px;
}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--text)}
.section-head p{font-size:15px;color:var(--text-3);max-width:620px;margin-top:10px}

/* ---------- 列表卡 ---------- */
.card-grid{display:grid;gap:24px}
.card-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.post-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,110,99,.24)}
.post-card .post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.post-card .post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-card .post-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--text);transition:color .2s ease}
.post-card:hover h3{color:var(--brand)}
.post-card p{font-size:14px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3);
}

/* ---------- FAQ ---------- */
.accordion{border:none;background:transparent;margin:0}
.accordion .accordion-item{
  border:1px solid var(--border);border-radius:var(--r-md);background:#fff;
  margin-bottom:16px;overflow:hidden;box-shadow:var(--sh-1);position:relative;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.accordion .accordion-item:hover{box-shadow:var(--sh-2);border-color:rgba(14,110,99,.22)}
.accordion .accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad);
}
.accordion .accordion-title{
  border:none;background:transparent;padding:20px 58px 20px 24px;font-size:17px;font-weight:600;
  color:var(--text);position:relative;
}
.accordion .accordion-title:hover{background:transparent;color:var(--brand)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);transition:transform .25s ease;
}
.accordion .is-active>.accordion-title::before{content:"×";transform:translateY(-50%) rotate(0deg)}
.accordion .accordion-content{border:none;background:transparent;padding:0 24px 20px;color:var(--text-2);font-size:15px;line-height:1.8}
.accordion .accordion-content p{margin:0}

/* ---------- 返回入口 ---------- */
.back-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

/* ---------- 大 CTA ---------- */
.cta-band{padding:0 0 72px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px 48px;
  background:linear-gradient(135deg,#0E6E63 0%,#1FA88C 62%,#FFB36B 100%);
  color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 24px 56px rgba(8,32,29,.18);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);pointer-events:none;
}
.cta-card h2{font-size:30px;line-height:1.3;font-weight:800;margin-bottom:10px;color:#fff}
.cta-card p{font-size:15px;color:rgba(255,255,255,.88);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.cta-card .btn-primary{background:#fff;color:var(--brand-dark);box-shadow:0 12px 28px rgba(8,32,29,.2)}
.cta-card .btn-primary:hover{background:#fff;color:var(--brand-dark)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--light-text);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.site-footer .f-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:16px}
.site-footer .brand-mark{
  font-size:22px;font-weight:800;color:#fff;background:none;-webkit-text-fill-color:#fff;letter-spacing:.5px;
}
.site-footer .brand-text{font-size:14px;font-weight:600}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(234,244,241,.68)}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(234,244,241,.72)}
.footer-links a:hover{color:var(--brand-light)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(234,244,241,.6);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 16px 36px rgba(14,110,99,.32);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;box-shadow:0 20px 44px rgba(14,110,99,.38)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .article-content{padding:40px 40px}
}
@media screen and (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .card-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media screen and (max-width:1023px){
  .sidebar{display:none}
  .mobile-topbar{display:flex}
  .main-area{margin-left:0}
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside .aside-card{flex:1 1 260px}
  .section{padding:64px 0}
  .article-hero h1{font-size:30px}
  .section-head h2{font-size:28px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .article-hero{padding:32px 0 28px}
  .article-hero h1{font-size:26px;line-height:1.35}
  .article-content{padding:26px 20px;border-radius:var(--r-md);font-size:16px}
  .article-content h2{font-size:23px;margin:34px 0 14px}
  .article-content h3{font-size:19px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .card-grid--3{grid-template-columns:minmax(0,1fr)}
  .cta-card{padding:36px 24px}
  .cta-card h2{font-size:24px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .page-body{padding-bottom:72px}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:56px;border-radius:16px 16px 0 0;
    justify-content:center;font-size:15px;
  }
  .back-actions .btn{width:100%}
}
@media screen and (max-width:479px){
  .article-hero h1{font-size:23px}
  .meta-row{font-size:13px;gap:8px 14px}
  .inline-cta{padding:22px 18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E6E63;
  --c-primary-dark:#0A4F47;
  --c-primary-light:#16A085;
  --c-accent:#FF8A3D;
  --c-accent-dark:#F2762A;
  --c-purple:#7A5AF8;
  --c-success:#17A673;
  --c-warn:#E8A33D;
  --c-error:#E45B5B;
  --bg:#F4F6F5;
  --bg-soft:#EAF0EE;
  --bg-dark:#08201D;
  --t1:#102421;
  --t2:#4B5C58;
  --t3:#7C8C88;
  --t-inv:#EAF4F1;
  --bd:#DCE5E2;
  --grad:linear-gradient(135deg,#0E6E63 0%,#1FA88C 62%,#FFB36B 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,110,99,.10) 0%,rgba(31,168,140,.10) 60%,rgba(255,179,107,.14) 100%);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,32,29,.04),0 12px 32px rgba(8,32,29,.08);
  --sh-2:0 18px 44px rgba(8,32,29,.14);
  --s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--s7:64px;--s8:96px;
  --nav-w:240px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:3px solid rgba(14,110,99,.32);
  outline-offset:2px;
  border-radius:6px;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 侧栏导航 ============ */
.side-nav{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--nav-w);
  background:#fff;
  border-right:1px solid var(--bd);
  display:flex;
  flex-direction:column;
  padding:24px 18px 18px;
  z-index:60;
}
.brand-logo{
  display:flex;
  align-items:baseline;
  gap:6px;
  padding:6px 8px 20px;
  border-bottom:1px solid var(--bd);
  margin-bottom:16px;
}
.brand-mark{
  font-size:28px;
  font-weight:800;
  letter-spacing:.5px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1;
}
.brand-text{
  font-size:14px;
  font-weight:600;
  color:var(--t2);
  letter-spacing:.4px;
}
.menu-label{
  font-size:12px;
  letter-spacing:2px;
  color:var(--t3);
  font-weight:600;
  padding:0 10px 10px;
}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px 0 14px;
  border-radius:10px;
  color:var(--t2);
  font-size:14.5px;
  font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.side-link:hover{background:var(--bg-soft);color:var(--c-primary);}
.side-link.is-active{
  background:var(--bg-soft);
  color:var(--c-primary);
  font-weight:700;
}
.side-link.is-active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:3px;
  background:var(--grad);
}
.side-sub{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--bd);
  display:flex;
  flex-direction:column;
  gap:2px;
}
.side-sub .anchor-item{
  display:block;
  padding:8px 12px;
  border-radius:8px;
  font-size:13.5px;
  color:var(--t3);
}
.side-sub .anchor-item:hover{background:var(--bg-soft);color:var(--c-primary);}
.side-foot{margin-top:auto;padding-top:18px;}
.side-cta{
  display:block;
  background:var(--grad);
  color:#fff;
  border-radius:16px;
  padding:16px 16px 14px;
  box-shadow:var(--sh-1);
}
.side-cta strong{display:block;font-size:15px;margin-bottom:4px;}
.side-cta span{display:block;font-size:12.5px;color:rgba(255,255,255,.86);line-height:1.6;}

/* ============ 移动顶栏 ============ */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:80;
  height:56px;
  background:#fff;
  border-bottom:1px solid var(--bd);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
}
.topbar .brand-mark{font-size:22px;}
.topbar .brand-text{font-size:12px;}
.burger{
  width:40px;height:40px;
  border:1px solid var(--bd);
  background:#fff;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  cursor:pointer;
}
.drawer{
  position:fixed;
  inset:56px 0 0 0;
  background:#fff;
  z-index:79;
  padding:16px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer a{
  display:flex;
  align-items:center;
  min-height:52px;
  border-bottom:1px solid var(--bd);
  color:var(--t1);
  font-size:15.5px;
}
.drawer a.is-active{color:var(--c-primary);font-weight:700;}
.drawer .drawer-cta{
  display:flex;justify-content:center;
  margin-top:20px;
  border:0;
  min-height:48px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-weight:600;
}

/* ============ 页面骨架 ============ */
.page-wrap{margin-left:var(--nav-w);}
.section{padding:var(--s8) 0;}
.section-tight{padding:var(--s7) 0;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:2px;
  font-weight:700;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.h2{
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head{margin-bottom:36px;}
.section-head p{
  margin-top:12px;
  color:var(--t2);
  font-size:16px;
  max-width:760px;
}

/* ============ 分类页2 Hero ============ */
.hero-cat2{
  position:relative;
  overflow:hidden;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  background:#08201D;
  color:var(--t-inv);
  padding:64px 0 56px;
}
.hero-cat2::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.20;
}
.hero-cat2::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,179,107,.34) 0%,rgba(255,179,107,0) 68%);
}
.hero-inner{position:relative;z-index:2;}
.hero-cat2 .eyebrow{color:#7FE3CB;}
.hero-cat2 h1{
  font-size:46px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.5px;
  max-width:860px;
}
.hero-cat2 .hero-sub{
  margin-top:16px;
  font-size:17px;
  color:rgba(234,244,241,.82);
  max-width:620px;
}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-note{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-note span{
  font-size:12.5px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  color:rgba(234,244,241,.9);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15.5px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .18s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#0E6E63 0%,#16A085 100%);
  color:#fff;
  box-shadow:0 10px 26px rgba(14,110,99,.28);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#0A4F47 0%,#12886F 100%);
  color:#fff;
  box-shadow:0 16px 36px rgba(14,110,99,.34);
  transform:translateY(-2px);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:transparent;
}
.btn-ghost:hover{background:rgba(14,110,99,.08);color:var(--c-primary-dark);}
.btn-on-dark{
  border-color:rgba(255,255,255,.42);
  color:#fff;
  background:rgba(255,255,255,.06);
}
.btn-on-dark:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-accent{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 10px 26px rgba(255,138,61,.3);
}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(40%);pointer-events:none;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--c-primary);}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ============ 双栏索引布局 ============ */
.cat-layout{margin-left:-12px;margin-right:-12px;}
.cat-layout > .cell{padding-left:12px;padding-right:12px;}
.panel{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:28px;
}
.panel + .panel{margin-top:24px;}
.panel-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:18px;
}
.panel-head h3{font-size:20px;font-weight:700;}
.panel-head .count{
  font-size:12.5px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}

/* 索引条目 */
.index-list{border-top:1px solid var(--bd);}
.index-item{
  display:flex;
  align-items:flex-start;
  gap:20px;
  padding:22px 8px;
  border-bottom:1px solid var(--bd);
  color:var(--t1);
  transition:background .22s ease,transform .22s ease;
}
.index-item:hover{background:var(--bg-soft);transform:translateX(4px);}
.index-num{
  flex:0 0 auto;
  width:64px;
  font-size:38px;
  font-weight:800;
  line-height:1;
  letter-spacing:-1px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-variant-numeric:tabular-nums;
}
.index-body{flex:1 1 auto;min-width:0;}
.index-title{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
  transition:color .2s ease;
}
.index-item:hover .index-title{color:var(--c-primary);}
.index-desc{font-size:14.5px;color:var(--t2);line-height:1.75;}
.index-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.tag{
  font-size:12px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:var(--bg-soft);
  color:var(--c-primary);
  border:1px solid rgba(14,110,99,.14);
}
.tag-purple{background:rgba(122,90,248,.10);color:#5B3FD6;border-color:rgba(122,90,248,.18);}
.index-arrow{
  flex:0 0 auto;
  align-self:center;
  color:var(--t3);
  font-size:15px;
  transition:transform .22s ease,color .22s ease;
}
.index-item:hover .index-arrow{transform:translateX(5px);color:var(--c-primary);}

/* 侧栏卡 */
.sidebar-sticky{position:sticky;top:24px;}
.toc-list{display:flex;flex-direction:column;gap:4px;}
.toc-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--t2);
  border-left:3px solid transparent;
}
.toc-item:hover{background:var(--bg-soft);color:var(--c-primary);border-left-color:var(--c-primary-light);}
.toc-item span:last-child{font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;}
.consult-card{
  background:var(--grad-soft);
  border:1px solid rgba(14,110,99,.16);
  border-radius:var(--r-lg);
  padding:24px;
}
.consult-card h3{font-size:18px;margin-bottom:6px;}
.consult-card p.sub{font-size:13.5px;color:var(--t2);margin-bottom:16px;}
.form-row{margin-bottom:14px;}
.form-row label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--t2);
  margin-bottom:6px;
}
.form-row input,
.form-row select{
  width:100%;
  height:48px;
  border-radius:12px;
  border:1px solid var(--bd);
  background:#fff;
  padding:0 14px;
  color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input:focus,
.form-row select:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(14,110,99,.13);
}
.form-hint{font-size:12.5px;color:var(--t3);margin-top:12px;line-height:1.7;}
.form-error{font-size:12.5px;color:var(--c-error);margin-top:6px;display:none;}
.form-row.has-error input{border-color:var(--c-error);}
.form-row.has-error .form-error{display:block;}

/* ============ 切换规则卡 ============ */
.rule-grid{margin-left:-12px;margin-right:-12px;}
.rule-grid > .cell{padding-left:12px;padding-right:12px;}
.rule-card{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-md);
  padding:22px;
  height:100%;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rule-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--grad-soft);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  margin-bottom:14px;
}
.rule-card h4{font-size:17px;margin-bottom:8px;}
.rule-card p{font-size:14.5px;color:var(--t2);}

/* ============ 数据徽章 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:8px;
}
.stat-badge{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-md);
  padding:20px;
  text-align:left;
  box-shadow:var(--sh-1);
}
.stat-badge .num{
  font-size:36px;
  font-weight:800;
  line-height:1.1;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
}
.stat-badge .num small{font-size:15px;font-weight:600;margin-left:2px;letter-spacing:0;}
.stat-badge .lbl{font-size:13px;color:var(--t3);margin-top:6px;}

/* ============ FAQ ============ */
.faq-item{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .22s ease;
}
.faq-item[open]{box-shadow:var(--sh-1);}
.faq-q{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px 20px 22px;
  font-size:16.5px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  border-left:4px solid transparent;
  transition:border-color .22s ease,padding .22s ease,color .22s ease;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--c-primary);
  line-height:1;
  transition:transform .25s ease;
}
.faq-item[open] .faq-q{border-left-color:transparent;color:var(--c-primary);}
.faq-item[open] .faq-q::after{content:"×";transform:rotate(180deg);}
.faq-item{position:relative;}
.faq-item[open]::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad);
  border-radius:0 4px 4px 0;
}
.faq-item[open] .faq-q{padding-top:24px;padding-bottom:12px;border-left-color:transparent;}
.faq-a{
  padding:0 24px 22px 22px;
  font-size:15px;
  color:var(--t2);
  line-height:1.8;
}

/* ============ CTA 大卡 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--bg-dark);
  color:var(--t-inv);
  padding:56px 48px;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-80px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,168,140,.42) 0%,rgba(31,168,140,0) 70%);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-140px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,179,107,.32) 0%,rgba(255,179,107,0) 70%);
}
.cta-band .inner{position:relative;z-index:2;max-width:720px;}
.cta-band h2{font-size:34px;line-height:1.26;font-weight:700;}
.cta-band p{margin-top:14px;color:rgba(234,244,241,.82);font-size:16px;}
.cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-dark);
  color:var(--t-inv);
  padding:64px 0 24px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.f-brand{display:flex;align-items:baseline;gap:6px;margin-bottom:14px;}
.f-brand .brand-mark{font-size:24px;}
.f-brand .brand-text{font-size:13px;}
.site-footer p{font-size:14px;color:rgba(234,244,241,.72);line-height:1.85;}
.site-footer h4{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(234,244,241,.72);}
.footer-links a:hover{color:#16A085;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:rgba(234,244,241,.6);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:52px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#fff;
  font-weight:600;
  font-size:15px;
  box-shadow:0 16px 38px rgba(14,110,99,.34);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#fff;box-shadow:0 20px 46px rgba(14,110,99,.42);}

/* ============ 响应式 ============ */
@media screen and (max-width:1439px){
  .hero-cat2 h1{font-size:42px;}
}
@media screen and (max-width:1023px){
  .side-nav{display:none;}
  .topbar{display:flex;}
  .page-wrap{margin-left:0;padding-top:0;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .container{padding:0 20px;}
  .hero-cat2{border-radius:0;padding:48px 0 44px;}
  .hero-cat2 h1{font-size:32px;}
  .hero-cat2 .hero-sub{font-size:16px;}
  .h2{font-size:26px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sidebar-sticky{position:static;margin-top:24px;}
  .cta-band{padding:40px 28px;}
  .cta-band h2{font-size:26px;}
  body{padding-bottom:72px;}
  .float-cta{
    left:0;right:0;bottom:0;
    width:100%;
    height:56px;
    justify-content:center;
    border-radius:16px 16px 0 0;
    font-size:15px;
    box-shadow:0 -8px 24px rgba(8,32,29,.18);
  }
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero-cat2 h1{font-size:28px;}
  .hero-cat2 .hero-sub{font-size:15px;}
  .h2{font-size:24px;}
  .section-head{margin-bottom:26px;}
  .panel{padding:20px;border-radius:var(--r-md);}
  .index-item{gap:14px;padding:18px 4px;}
  .index-num{width:48px;font-size:30px;}
  .index-title{font-size:16.5px;}
  .index-desc{font-size:14px;}
  .stat-strip{grid-template-columns:1fr;gap:12px;}
  .stat-badge .num{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:32px 20px;}
  .cta-band h2{font-size:23px;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a{padding:0 18px 18px 18px;font-size:14.5px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E6E63;
  --brand-dark:#0A4F47;
  --brand-light:#16A085;
  --accent:#FF8A3D;
  --accent-dark:#F2762A;
  --violet:#7A5AF8;
  --success:#17A673;
  --warn:#E8A33D;
  --danger:#E45B5B;
  --bg:#F4F6F5;
  --bg-soft:#EAF0EE;
  --dark:#08201D;
  --ink:#102421;
  --ink-2:#4B5C58;
  --ink-3:#7C8C88;
  --on-dark:#EAF4F1;
  --line:#DCE5E2;
  --line-dark:rgba(255,255,255,.12);
  --r-xs:10px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:18px;
  --r-xl:24px;
  --sh-1:0 1px 2px rgba(8,32,29,.04),0 12px 32px rgba(8,32,29,.08);
  --sh-2:0 18px 44px rgba(8,32,29,.14);
  --grad:linear-gradient(135deg,#0E6E63 0%,#1FA88C 62%,#FFB36B 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,110,99,.10) 0%,rgba(31,168,140,.10) 58%,rgba(255,179,107,.16) 100%);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-light)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--ink)}
.foundation-clear{clear:both}
:focus-visible{outline:3px solid rgba(14,110,99,.3);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 布局骨架 ============ */
.app-main{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.section-soft{background:var(--bg-soft)}
.section-dark{background:var(--dark);color:var(--on-dark)}

@media (min-width:640px){
  .container{padding:0 28px}
  .section{padding:72px 0}
}
@media (min-width:1024px){
  .app-main{margin-left:240px}
  .container{padding:0 40px}
  .section{padding:96px 0}
}

/* ============ 品牌字标 ============ */
.brand{display:inline-flex;align-items:center;gap:10px;line-height:1.1}
.brand-mark{
  font-size:24px;
  font-weight:800;
  letter-spacing:.5px;
  color:#fff;
  background:var(--grad);
  border-radius:12px;
  padding:6px 12px 7px;
  display:inline-block;
}
.brand-text{font-size:14px;font-weight:600;color:var(--ink-2);letter-spacing:.5px}
.brand-stack{display:flex;flex-direction:column;gap:8px;align-items:flex-start}

/* ============ 桌面左侧竖向导航 ============ */
.side-nav{display:none}
@media (min-width:1024px){
  .side-nav{
    display:flex;
    flex-direction:column;
    position:fixed;
    top:0;left:0;bottom:0;
    width:240px;
    background:#fff;
    border-right:1px solid var(--line);
    padding:26px 18px 20px;
    overflow-y:auto;
    z-index:70;
  }
}
.side-menu{margin-top:26px}
.menu-label{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-3);
  font-weight:700;
  margin-bottom:8px;
  padding-left:12px;
}
.anchor-item{
  display:flex;
  align-items:center;
  position:relative;
  min-height:44px;
  padding:8px 12px;
  border-radius:var(--r-xs);
  color:var(--ink-2);
  font-size:14.5px;
  font-weight:500;
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.anchor-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  border-radius:3px;
  background:var(--grad);
  transition:height .2s ease;
}
.anchor-item:hover{background:var(--bg-soft);color:var(--brand);padding-left:16px}
.anchor-item.active{background:var(--grad-soft);color:var(--brand);font-weight:700}
.anchor-item.active::before{height:22px}
.side-card{
  margin-top:auto;
  background:var(--grad-soft);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px 16px 16px;
}
.side-card-title{font-size:15px;font-weight:700;color:var(--ink)}
.side-card-desc{font-size:13px;color:var(--ink-2);margin:6px 0 14px}

/* ============ 移动端顶部栏与抽屉 ============ */
.mobile-bar{
  position:sticky;
  top:0;
  z-index:80;
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand-mark{font-size:19px;padding:5px 10px 6px;border-radius:10px}
.mobile-bar .brand-text{font-size:12px}
.burger{
  width:44px;height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  padding:0;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease,opacity .22s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;
  inset:56px 0 0 0;
  z-index:75;
  background:var(--bg);
  border-top:1px solid var(--line);
  padding:18px 16px 96px;
  overflow-y:auto;
  display:none;
}
.drawer.open{display:block}
.drawer .menu-label{padding-left:4px}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
}
.drawer-link.active{color:var(--brand)}
.drawer-link i{margin-right:10px;color:var(--ink-3);font-size:14px}
.drawer-cta{margin-top:22px}
@media (min-width:1024px){
  .mobile-bar,.drawer{display:none !important}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 24px;
  border-radius:var(--r-sm);
  font-size:15.5px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(14,110,99,.24)}
.btn-primary:hover{color:#fff;box-shadow:0 16px 34px rgba(14,110,99,.3);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(14,110,99,.08);color:var(--brand-dark)}
.btn-ghost:active{transform:scale(.98)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(255,138,61,.26)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-dark-ghost{background:rgba(255,255,255,.06);border-color:var(--line-dark);color:var(--on-dark)}
.btn-dark-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{filter:saturate(.4);opacity:.7;pointer-events:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media (max-width:520px){
  .hero-actions .btn,.cta-actions .btn{width:100%}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#F7FAF9 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.13;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding:48px 0 56px;
  align-items:center;
}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:56px;padding:76px 0 84px}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  background:var(--grad-soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.hero h1{
  font-size:28px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
@media (min-width:640px){.hero h1{font-size:36px}}
@media (min-width:1024px){.hero h1{font-size:46px;line-height:1.2}}
@media (min-width:1440px){.hero h1{font-size:50px}}
.hero-sub{font-size:16px;color:var(--ink-2);margin-top:18px;max-width:560px}
@media (min-width:1024px){.hero-sub{font-size:17px}}
.hero-points{margin-top:24px;display:grid;gap:10px}
.hero-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2)}
.hero-points i{color:var(--brand);margin-top:5px;font-size:13px}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  position:relative;
  z-index:2;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:auto 24px -18px 24px;
  height:60px;
  background:var(--grad);
  filter:blur(38px);
  opacity:.28;
  border-radius:50%;
  z-index:1;
}
.hero-chip{
  position:absolute;
  left:16px;
  bottom:-16px;
  z-index:3;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-2);
}
.hero-chip i{color:var(--brand);font-size:16px}
@media (max-width:639px){.hero-chip{left:12px;bottom:-14px;padding:10px 12px;font-size:12px}}

/* ============ 板块标题 ============ */
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:24px;font-weight:700}
@media (min-width:1024px){.section-title{font-size:33px}}
.section-desc{font-size:15.5px;color:var(--ink-2);margin-top:14px}
.tag-label{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--violet);
  margin-bottom:12px;
}

/* ============ 大卡网格 ============ */
.card-grid{margin-top:-12px}
.card-grid > [class*="cell"]{margin-top:24px}
.feature-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,110,99,.24)}
.fc-cover{position:relative;overflow:hidden}
.fc-cover img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-card:hover .fc-cover img{transform:scale(1.04)}
.fc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.fc-body h3{font-size:20px;font-weight:700;margin-top:12px}
.fc-body p{font-size:14.5px;color:var(--ink-2);margin-top:10px;flex:1}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  border-radius:999px;
  padding:4px 12px;
  letter-spacing:.02em;
}
.badge-brand{background:var(--grad-soft);color:var(--brand);border:1px solid rgba(14,110,99,.2)}
.badge-violet{background:rgba(122,90,248,.1);color:var(--violet);border:1px solid rgba(122,90,248,.22)}
.badge-accent{background:rgba(255,138,61,.12);color:var(--accent-dark);border:1px solid rgba(255,138,61,.26)}
.badge-success{background:rgba(23,166,115,.12);color:var(--success);border:1px solid rgba(23,166,115,.24)}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  margin-top:18px;
  border-bottom:2px solid transparent;
  align-self:flex-start;
  transition:border-color .2s ease;
}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover{border-color:var(--brand)}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ 数据徽章横条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:26px 22px;
}
@media (min-width:1024px){
  .stat-strip{grid-template-columns:repeat(4,1fr);padding:34px 30px;gap:24px}
}
.stat{text-align:left;border-left:2px solid transparent;padding-left:14px;transition:border-color .2s ease}
.stat:hover{border-color:var(--brand)}
.stat-num{
  font-size:30px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
@media (min-width:1024px){.stat-num{font-size:38px}}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px}

/* ============ 垂直时间线 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";
  position:absolute;
  left:11px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,#0E6E63 0%,#1FA88C 55%,#FFB36B 100%);
  opacity:.5;
  border-radius:2px;
}
.tl-item{position:relative;padding-left:48px;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;
  left:0;top:4px;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 0 6px rgba(14,110,99,.08);
}
.tl-dot::after{
  content:"";
  position:absolute;
  inset:8px;
  background:#fff;
  border-radius:50%;
}
.tl-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tl-step{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--violet);text-transform:uppercase}
.tl-body h3{font-size:18.5px;margin-top:8px}
.tl-body p{font-size:14.5px;color:var(--ink-2);margin-top:8px}

/* ============ 图文双栏 ============ */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:.95fr 1.05fr;gap:56px}}
.split.rev .split-media{order:2}
.split-media img{width:100%;border-radius:var(--r-xl);border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-body h3{font-size:22px;margin-bottom:14px}
.split-body p{font-size:15.5px;color:var(--ink-2);margin-bottom:14px}
.tick-list{display:grid;gap:12px;margin-top:20px}
.tick-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.tick-list i{color:var(--success);margin-top:5px;font-size:14px}

/* ============ FAQ ============ */
.faq-accordion{margin:0;border:none;background:transparent}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:#fff;
  margin-bottom:14px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .22s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(14,110,99,.26)}
.faq-accordion .accordion-item.is-active{border-color:rgba(14,110,99,.34);box-shadow:var(--sh-2)}
.faq-accordion .accordion-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad);
}
.faq-accordion .accordion-title{
  border:none;
  background:transparent;
  padding:20px 56px 20px 22px;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  display:block;
  position:relative;
  transition:padding .2s ease,color .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{padding-left:28px;color:var(--brand)}
.faq-accordion .accordion-title:hover{color:var(--brand);background:transparent}
.faq-accordion .accordion-title::before{content:none !important}
.faq-accordion .accordion-title::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  line-height:26px;
  text-align:center;
  border-radius:50%;
  background:var(--grad-soft);
  color:var(--brand);
  font-size:18px;
  font-weight:700;
  transition:transform .24s ease,background-color .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  content:"+";
  transform:translateY(-50%) rotate(45deg);
  background:rgba(14,110,99,.16);
}
.faq-accordion .accordion-content{
  border:none;
  background:transparent;
  padding:0 22px 22px 28px;
  color:var(--ink-2);
  font-size:15px;
}

/* ============ CTA 大卡 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,#0A4F47 0%,#0E6E63 48%,#1FA88C 100%);
  color:#fff;
  padding:40px 26px;
  box-shadow:var(--sh-1);
}
@media (min-width:1024px){.cta-band{padding:66px 60px}}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,179,107,.55),rgba(255,179,107,0) 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:760px}
.cta-inner h2{color:#fff;font-size:25px;font-weight:800}
@media (min-width:1024px){.cta-inner h2{font-size:34px}}
.cta-inner p{color:rgba(234,244,241,.86);font-size:15.5px;margin-top:16px}
.cta-kicker{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:#FFD9B4;
  margin-bottom:14px;
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 22px;
  border-radius:999px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:0 14px 34px rgba(14,110,99,.32);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;box-shadow:0 18px 42px rgba(14,110,99,.4);transform:translateY(-2px)}
@media (max-width:1023px){
  body{padding-bottom:76px}
  .float-cta{
    left:0;right:0;bottom:0;
    width:100%;
    border-radius:16px 16px 0 0;
    justify-content:center;
    padding:16px 18px;
  }
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--on-dark);
  padding:56px 0 24px;
  margin-top:auto;
}
@media (min-width:1024px){.site-footer{padding:72px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.f-brand{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer p{color:rgba(234,244,241,.72);font-size:14px;line-height:1.85}
.footer-links{display:grid;gap:11px}
.footer-links a{color:rgba(234,244,241,.76);font-size:14px}
.footer-links a:hover{color:var(--brand-light)}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line-dark);
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(234,244,241,.6);
}
.footer-bottom a{color:rgba(234,244,241,.6)}
.footer-bottom a:hover{color:var(--brand-light)}