/* roulang page: index */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --ok:#2E8B57;
  --warn:#C4632A;
  --err:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,51,44,.06);
  --sh-2:0 18px 40px -18px rgba(14,107,90,.28);
  --gap:26px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--body);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(30,158,126,.5);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:0 0 72px}
.num,.stat strong,.step-dot{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom-color:var(--line);box-shadow:0 6px 20px -16px rgba(10,51,44,.35)}
.header-inner{height:72px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px -10px rgba(14,107,90,.8)}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;gap:18px}
.main-nav a{position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--body);padding:6px 0;transition:color .2s ease}
.main-nav a::after{content:"";position:absolute;left:50%;bottom:-4px;width:0;height:2px;background:var(--brand-500);transform:translateX(-50%);transition:width .22s ease;border-radius:2px}
.main-nav a:hover{color:var(--brand-700)}
.main-nav a:hover::after,.main-nav a.active::after{width:20px}
.main-nav a.active{color:var(--brand-700);font-weight:600}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-quiet{font-size:14px;font-weight:500;color:var(--muted);transition:color .2s ease}
.link-quiet:hover{color:var(--brand-700)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;position:relative}
.nav-toggle span{position:absolute;left:11px;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{position:fixed;inset:72px 0 0 0;background:var(--card);z-index:65;padding:24px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;overflow-y:auto}
.nav-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.nav-drawer ul{display:grid;gap:6px}
.nav-drawer a{display:block;padding:14px 4px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.nav-drawer a.active{color:var(--brand-700)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);padding:14px 26px;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -14px rgba(14,107,90,.85)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 12px 26px -14px rgba(217,119,42,.8)}
.btn-accent:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-700)}
.btn-outline:hover{background:var(--brand-050)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;background:none;border:0;border-bottom:1px solid transparent;padding:2px 0;font-size:14px;font-weight:600;color:var(--brand-700);cursor:pointer;transition:border-color .2s ease,color .2s ease}
.btn-ghost:hover{border-bottom-color:var(--brand-700)}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;filter:none}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:600;line-height:1.7}
.time{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12px}
.time svg{width:13px;height:13px;flex:0 0 auto}
.meta-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);background:rgba(255,255,255,.75);border:1px solid var(--brand-100);padding:5px 14px;border-radius:var(--r-pill)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ---------- Hero ---------- */
.hero{background:var(--grad-hero);padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.2;margin:18px 0 16px;letter-spacing:-.4px}
.hero-sub{font-size:17px;color:var(--body);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px}
.hero-badges li{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-1);min-width:120px}
.hero-badges strong{display:block;font-size:20px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-badges span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);background:var(--brand-050)}
.float-card{position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:var(--r-md);box-shadow:0 20px 40px -22px rgba(10,51,44,.45);padding:16px 20px 16px 26px;display:flex;gap:14px;align-items:center;border:1px solid var(--line)}
.float-card::before{content:"";position:absolute;left:12px;top:16px;bottom:16px;width:4px;border-radius:4px;background:var(--grad-brand)}
.float-card strong{display:block;font-size:20px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.float-card p{font-size:12px;color:var(--muted)}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:700}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted);max-width:56em}

/* ---------- 服务（不对称栅格） ---------- */
.service-layout{display:grid;grid-template-columns:2fr 1fr;gap:var(--gap);align-items:start}
.service-main{display:grid;gap:var(--gap)}
.media-card{display:grid;grid-template-columns:minmax(0,42%) 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.media-card img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;background:var(--brand-050)}
.media-card-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.media-card-body h3{font-size:19px;font-weight:600}
.media-card-body p{font-size:14.5px;color:var(--body)}
.list-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--sh-1)}
.list-card h3{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--ink)}
.list-card li{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.list-card li:first-of-type{border-top:0;padding-top:0}
.list-card .idx{font-size:20px;font-weight:800;color:var(--brand-500);font-variant-numeric:tabular-nums;line-height:1.2}
.list-card strong{display:block;font-size:15px;color:var(--ink);font-weight:600}
.list-card em{display:block;font-style:normal;font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:4px}

/* ---------- 数据区 ---------- */
.stats-band{background:var(--dark-section);padding:72px 0;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.16}
.stats-band .container{position:relative}
.stats-band h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:10px}
.stats-band .lead{color:#BFD6CF;font-size:15px;max-width:52em;margin-bottom:44px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-md);padding:26px 24px}
.stat:nth-child(2),.stat:nth-child(4){transform:translateY(24px)}
.stat strong{display:block;font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;line-height:1.1}
.stat strong small{font-size:15px;font-weight:600;margin-left:4px;color:#CFE5DD}
.stat span{display:block;margin-top:8px;font-size:14px;color:#CFE5DD}

/* ---------- 案例（左右交替） ---------- */
.case-list{display:grid;gap:var(--gap)}
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.case-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.case-row img{width:100%;height:100%;max-height:420px;aspect-ratio:4/3;object-fit:cover;background:var(--brand-050)}
.case-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.case-body h3{font-size:20px;font-weight:600}
.case-body p{font-size:15px;color:var(--body)}
.case-row.reverse .case-media{order:2}

/* ---------- 方案步骤 ---------- */
.steps{position:relative;padding-left:60px;display:grid;gap:34px}
.steps::before{content:"";position:absolute;left:20px;top:14px;bottom:14px;width:2px;background:var(--grad-brand);opacity:.32;border-radius:2px}
.step{position:relative}
.step-dot{position:absolute;left:-60px;top:2px;width:42px;height:42px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;box-shadow:0 10px 22px -14px rgba(14,107,90,.9)}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step p{font-size:15px;max-width:62em}

/* ---------- 最新信息（CMS） ---------- */
.news-lead{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-lead-media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-050)}
.news-lead-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.news-lead-title{font-size:clamp(20px,2.4vw,24px);font-weight:700}
.news-lead-title a:hover{color:var(--brand-700)}
.news-lead-sum{font-size:15px;color:var(--body);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--gap);margin-top:var(--gap)}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-card-title{font-size:17px;font-weight:600;line-height:1.5}
.news-card-title a:hover{color:var(--brand-700)}
.news-card-sum{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .btn-ghost{margin-top:auto;align-self:flex-start}
.empty-state{background:var(--brand-050);border-radius:var(--r-lg);padding:44px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.empty-state svg{width:38px;height:38px;color:rgba(30,158,126,.45)}
.empty-state p{font-size:16px;color:var(--body)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-layout h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.faq-layout .faq-note{font-size:15px;color:var(--muted);max-width:26em}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;background:none;border:0;text-align:left;font-size:18px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .2s ease}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .18s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 46px 18px 0;font-size:15px;line-height:1.9;color:var(--body)}

/* ---------- CTA / 表单 ---------- */
.contact-band{background:var(--grad-brand);border-radius:28px;padding:48px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:44px;box-shadow:0 30px 60px -34px rgba(14,107,90,.7)}
.contact-band h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.contact-band .lead{color:#DCEFE9;font-size:15px;max-width:30em}
.contact-points{margin-top:26px;display:grid;gap:16px}
.contact-points li{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:#EAF5F1}
.contact-points svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:#E9A24A}
.contact-points strong{display:block;color:#fff;font-weight:600;font-size:15px}
.form-card{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 24px 48px -30px rgba(6,32,26,.6)}
.form-card h3{font-size:17px;margin-bottom:18px;color:var(--ink)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 14px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,158,126,.16)}
.field input::placeholder,.field textarea::placeholder{color:#9AA8A2}
.form-card .btn{width:100%}
.form-status{margin-top:14px;font-size:13.5px;border-radius:var(--r-sm);padding:0;display:none}
.form-status.is-ok{display:block;padding:12px 14px;background:var(--brand-100);color:var(--brand-700)}
.form-status.is-error{display:block;padding:12px 14px;background:#FBE4E1;color:var(--err)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-section);color:#BFD6CF;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.site-footer p,.site-footer li{font-size:14px;line-height:1.9}
.site-footer ul{display:grid;gap:8px}
.site-footer a{transition:color .2s ease}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FB3AA}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;height:60px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 -6px 18px -14px rgba(10,51,44,.4)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;color:var(--muted)}
.tabbar svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8}
.tabbar a.active{color:var(--brand-700)}
.tabbar a.active svg{fill:rgba(30,158,126,.16)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .main-nav ul{gap:12px}
  .main-nav a{font-size:13.5px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  body{padding-bottom:76px}
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .tabbar{display:flex}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{aspect-ratio:16/10}
  .float-card{left:12px;bottom:16px}
  .service-layout{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(2),.stat:nth-child(4){transform:none}
  .case-row{grid-template-columns:1fr}
  .case-row.reverse .case-media{order:0}
  .case-row img{max-height:none}
  .news-lead{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-layout .faq-note{max-width:none}
  .contact-band{grid-template-columns:1fr;padding:34px;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding-bottom:56px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .header-inner{height:64px}
  .nav-drawer{top:64px}
  .logo-text{font-size:16px}
  .hero h1{letter-spacing:0}
  .hero-actions .btn{width:100%}
  .hero-badges li{flex:1 1 calc(50% - 7px);min-width:0}
  .media-card{grid-template-columns:1fr}
  .media-card img{aspect-ratio:16/9}
  .media-card-body{padding:20px}
  .case-body{padding:24px 22px}
  .news-lead-body{padding:22px}
  .stats-grid{grid-template-columns:1fr;gap:16px}
  .steps{padding-left:52px}
  .step-dot{left:-52px;width:36px;height:36px;font-size:13px}
  .steps::before{left:17px}
  .contact-band{border-radius:22px;padding:26px 22px}
  .form-card{padding:22px}
  .faq-q{font-size:16.5px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --ok:#2E8B57;
  --warn:#C4632A;
  --err:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-card:0 1px 2px rgba(10,51,44,.06);
  --sh-hover:0 18px 40px -18px rgba(14,107,90,.28);
  --sh-nav:0 8px 24px -18px rgba(10,51,44,.35);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.2}
h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3}
h3{font-size:19px;font-weight:600;line-height:1.5}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(30,158,126,.55);outline-offset:2px;border-radius:6px}
.container{max-width:var(--w);margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-nav);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);
  white-space:nowrap;
}
.logo:hover{color:var(--brand-700)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;flex:0 0 auto;
  box-shadow:0 6px 16px -10px rgba(14,107,90,.9);
}
.logo-mark svg{width:19px;height:19px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:22px}
.main-nav a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--body);
  padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;border-radius:2px;background:var(--brand-500);
  transition:width .2s ease;
}
.main-nav a:hover,.main-nav a.active{color:var(--brand-700)}
.main-nav a:hover::after,.main-nav a.active::after{width:20px}
.header-cta{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.header-cta .link-quiet{font-size:14px;color:var(--muted)}
.header-cta .link-quiet:hover{color:var(--brand-700)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;
  padding:14px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(14,107,90,.95)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--grad-accent);color:#fff}
.btn-accent:hover{filter:brightness(1.04);transform:translateY(-1px);color:#fff}
.btn-ghost{
  background:#fff;color:var(--brand-700);
  border:1.5px solid var(--brand-700);padding:12.5px 24px;
}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px)}
.btn-line{
  padding:0;border:none;background:none;color:var(--brand-700);
  font-weight:600;font-size:15px;border-radius:6px;
}
.btn-line::after{content:"→";margin-left:6px;transition:margin .18s ease}
.btn-line:hover::after{margin-left:10px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;filter:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink)}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(8,58,49,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;
  background:#fff;padding:22px 22px calc(24px + env(safe-area-inset-bottom));
  transform:translateX(100%);transition:transform .26s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink)}
.drawer nav ul{display:grid;gap:4px}
.drawer nav a{
  display:block;padding:13px 12px;border-radius:var(--r-sm);
  color:var(--ink);font-weight:500;font-size:15px;
}
.drawer nav a:hover,.drawer nav a.active{background:var(--brand-050);color:var(--brand-700)}
.drawer .btn{width:100%;margin-top:16px}

/* ---------- breadcrumb & banner ---------- */
.page-head{
  background:var(--grad-hero);
  border-bottom:1px solid var(--line);
  padding:26px 0 34px;
}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B7C2BC}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-700)}
.channel-title{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:7px 16px;
}
.channel-title svg{width:15px;height:15px;stroke:var(--brand-700)}

/* ---------- article ---------- */
.article-wrap{padding:52px 0 8px}
.article-shell{max-width:820px;margin:0 auto;padding:0 32px}
.article-head{position:relative;padding-left:20px}
.article-head::before{
  content:"";position:absolute;left:0;top:6px;width:5px;height:32px;
  border-radius:3px;background:var(--grad-brand);
}
.article-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.28}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C3CCC7}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--brand-100);color:var(--brand-700);
}
.tag-accent{background:var(--accent-100);color:var(--accent-600)}
.article-card{
  margin-top:34px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);
  padding:clamp(24px,4vw,52px);
}
.article-body{font-size:17px;line-height:1.9;color:var(--body)}
.article-body>*+*{margin-top:1.15em}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.6vw,25px);
  padding-left:16px;margin-top:2em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:5px;height:.92em;
  border-radius:3px;background:var(--brand-500);
}
.article-body h3{margin-top:1.6em;color:var(--brand-700);font-size:18px}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{padding-left:6px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-top:.5em;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--brand-500);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;
  font-size:13px;font-weight:700;color:var(--brand-700);
}
.article-body blockquote{
  background:var(--brand-050);
  border-left:3px solid var(--brand-500);
  border-radius:var(--r-md);
  padding:18px 22px;color:var(--ink);
}
.article-body blockquote>*+*{margin-top:.8em}
.article-body img{border-radius:14px;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted)}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  border-radius:var(--r-sm);overflow:hidden;
}
.article-body thead th{
  background:var(--brand-050);color:var(--ink);
  text-align:left;font-weight:600;padding:12px 14px;
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body code{
  background:var(--brand-050);border-radius:6px;padding:2px 6px;
  font-size:.94em;color:var(--brand-700);
}
.empty-state{
  background:var(--brand-050);border-radius:var(--r-lg);
  padding:44px 24px;text-align:center;color:var(--body);
}
.empty-state svg{width:46px;height:46px;stroke:rgba(14,107,90,.4);margin:0 auto 14px}
.empty-state p{font-size:16px;margin-bottom:16px}

/* ---------- related ---------- */
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px}
.related-grid{
  display:grid;gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-card);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D3E6DF}
.post-card .thumb{
  aspect-ratio:16/9;background:var(--brand-050);overflow:hidden;
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17px;color:var(--ink);transition:color .2s ease}
.post-card:hover h3{color:var(--brand-700)}
.post-card .brief{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.post-card .foot svg{width:13px;height:13px;stroke:var(--muted)}
.back-row{display:flex;justify-content:center;padding:8px 0 20px}

/* ---------- CTA ---------- */
.cta-band{padding:18px 0 76px}
.cta-box{
  background:var(--grad-brand);color:#fff;
  border-radius:28px;padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  box-shadow:0 26px 60px -34px rgba(14,107,90,.85);
}
.cta-box h2{color:#fff}
.cta-box p{color:#D8EFE7;margin-top:12px;font-size:15.5px;max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-actions .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.7)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--dark-section);color:#BFD6CF;padding:60px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px}
.site-footer p{font-size:14px;line-height:1.85;color:#A9C7BE;max-width:36ch}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600}
.site-footer ul{display:grid;gap:10px}
.site-footer li{font-size:14px;color:#A9C7BE}
.site-footer a{color:#BFD6CF;font-size:14px}
.site-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8FB0A6;
}

/* ---------- mobile tab bar ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -1px 12px -6px rgba(10,51,44,.28);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);height:60px}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);font-weight:500;
}
.tabbar svg{width:21px;height:21px;stroke:var(--muted);fill:none;stroke-width:1.7}
.tabbar a.active{color:var(--brand-700)}
.tabbar a.active svg{stroke:var(--brand-700)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .main-nav ul{gap:16px}
  .main-nav a{font-size:14px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px;gap:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-box{grid-template-columns:1fr;gap:22px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .article-shell{padding:0 18px}
  body{padding-bottom:76px}
  .tabbar{display:block}
  .section{padding:44px 0}
  .article-wrap{padding:34px 0 0}
  .article-card{margin-top:24px;border-radius:var(--r-md)}
  .page-head{padding:20px 0 26px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column}
  .btn{padding:13px 22px;width:100%}
  .btn-line{width:auto;padding:0}
  .cta-actions{flex-direction:column;width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --ok:#2E8B57;
  --warn:#C4632A;
  --err:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 1px 2px rgba(10,51,44,.06);
  --sh-hover:0 18px 40px -18px rgba(14,107,90,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1em;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);background:var(--brand-100);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.2;}
h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;}
h3{font-size:19px;font-weight:600;}
.lead{font-size:17px;color:var(--body);}
.muted{color:var(--muted);font-size:14px;line-height:1.7;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head p{max-width:620px;margin:8px 0 0;color:var(--muted);font-size:15px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(246,244,239,0);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px -18px rgba(10,51,44,.5);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);}
.brand:hover{color:var(--brand-700);}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
}
.logo-mark svg{width:20px;height:20px;}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--body);padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  border-radius:2px;background:var(--brand-500);transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-700);}
.main-nav a:hover::after,.main-nav a.active::after{width:20px;}
.main-nav a.active{color:var(--brand-700);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-link{font-size:15px;font-weight:500;color:var(--body);}
.header-link:hover{color:var(--brand-700);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:999px;
  padding:14px 26px;font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(14,107,90,.7);}
.btn-primary:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-700);}
.btn-secondary:hover{background:var(--brand-050);color:var(--brand-700);}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px -14px rgba(217,119,42,.7);}
.btn-accent:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:var(--brand-700);padding:8px 0;border-radius:0;
  border-bottom:1.5px solid var(--brand-100);
}
.btn-ghost:hover{border-bottom-color:var(--brand-500);color:var(--brand-500);gap:12px;}
.btn-sm{padding:11px 20px;font-size:14px;}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--dark-section);
  color:#fff;transform:translateY(-100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:24px 24px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer .brand{color:#fff;}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:20px;cursor:pointer;
}
.drawer nav ul{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  display:block;padding:16px 4px;color:#DCEDE7;font-size:17px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer nav a:hover,.drawer nav a.active{color:#fff;}
.drawer .btn{margin-top:28px;width:100%;}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li::after{content:"/";margin-left:8px;color:#C6CFCB;}
.crumb li:last-child::after{content:"";margin:0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-700);}
.crumb [aria-current="page"]{color:var(--brand-700);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;margin-top:18px;border-radius:28px;overflow:hidden;
  padding:56px 48px;color:#fff;background:var(--grad-brand);
  min-height:250px;display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.22;mix-blend-mode:luminosity;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,58,49,.82) 0%,rgba(14,107,90,.5) 62%,rgba(14,107,90,.28) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.page-hero h1{color:#fff;}
.page-hero .hero-sub{
  margin:16px 0 0;font-size:16px;color:#D6EFE7;max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{
  font-size:13px;color:#DCEDE7;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.06);
}

/* ---------- Split rows ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.split + .split{margin-top:72px;}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--brand-050);box-shadow:var(--sh);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media .float-badge{
  position:absolute;left:20px;bottom:20px;
  background:#fff;border-radius:var(--r-md);padding:14px 18px;
  border-left:4px solid var(--brand-500);box-shadow:0 14px 30px -18px rgba(10,51,44,.5);
  min-width:180px;
}
.float-badge strong{display:block;font-size:22px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2;}
.float-badge span{font-size:13px;color:var(--muted);}
.split h2{margin-bottom:16px;}
.split .lead{margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--body);}
.check-list .dot{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;margin-top:3px;
}
.check-list .dot svg{width:13px;height:13px;}

/* ---------- Feature cards ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;
}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D3E5DE;}
.feature-card:hover h3{color:var(--brand-700);}
.feature-card h3{transition:color .2s ease;margin-bottom:10px;font-size:19px;}
.feature-card p{margin:0;font-size:15px;color:var(--body);}
.icon-box{
  width:48px;height:48px;border-radius:14px;margin-bottom:18px;
  background:var(--grad-brand);color:#fff;display:grid;place-items:center;
}
.icon-box svg{width:24px;height:24px;}

/* ---------- Service rows ---------- */
.service-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.service-row{
  display:grid;grid-template-columns:220px 1fr 160px;gap:24px;align-items:center;
  padding:26px 30px;border-left:4px solid transparent;
  border-bottom:1px solid var(--line);transition:border-color .2s ease,background .2s ease;
}
.service-row:last-child{border-bottom:none;}
.service-row:hover{border-left-color:var(--brand-500);background:var(--brand-050);}
.service-row h3{font-size:17px;margin:0;}
.service-row p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.service-row .row-meta{font-size:13px;color:var(--muted);text-align:right;}
.tag{
  display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-weight:600;
}
.tag--accent{background:var(--accent-100);color:var(--accent-600);}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:28px;padding:44px 48px;background:var(--grad-accent);color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 22px 44px -26px rgba(217,119,42,.8);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);}
.cta-band p{margin:8px 0 0;color:#FDF0E0;font-size:15px;}
.cta-band .btn{background:#fff;color:var(--accent-600);}
.cta-band .btn:hover{color:var(--accent-600);filter:none;background:#FFF8F0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-layout .faq-intro p{margin-top:12px;font-size:15px;color:var(--muted);}
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-btn{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.acc-btn:hover{color:var(--brand-700);}
.acc-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;color:var(--brand-700);
  transition:transform .18s ease;
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.acc-icon::before{width:14px;height:2px;}
.acc-icon::after{width:2px;height:14px;}
.acc-item.is-open .acc-icon{transform:rotate(45deg);}
.acc-panel{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
}
.acc-panel p{padding:0 44px 18px 0;margin:0;color:var(--body);line-height:1.9;font-size:15.5px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark-section);color:#BFD6CF;margin-top:72px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--grad-brand);}
.site-footer p{font-size:14px;color:#9FBCB4;line-height:1.8;margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer li{font-size:14px;color:#9FBCB4;}
.site-footer a{color:#BFD6CF;font-size:14px;}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#87A79F;
}

/* ---------- Mobile tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:100;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -1px 12px rgba(10,51,44,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{display:flex;}
.mobile-tab a{
  flex:1;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);
}
.mobile-tab a svg{width:21px;height:21px;}
.mobile-tab a.active{color:var(--brand-700);}
.mobile-tab a.active svg{stroke-width:2.4;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split + .split{margin-top:56px;}
  .split.reverse .split-media{order:-1;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .service-row{grid-template-columns:1fr;gap:10px;padding:22px 22px;}
  .service-row .row-meta{text-align:left;}
  .section{padding:56px 0;}
  .page-hero{padding:44px 32px;border-radius:24px;}
  .cta-band{padding:34px 30px;}
}
@media (max-width:639px){
  body{padding-bottom:76px;}
  .container{padding:0 18px;}
  .header-actions .header-link{display:none;}
  .header-actions .btn{display:none;}
  .mobile-tab{display:block;}
  .section{padding:48px 0;}
  .page-hero{padding:36px 22px;border-radius:20px;min-height:0;}
  .hero-tags{gap:8px;}
  .cta-band{padding:28px 22px;border-radius:22px;}
  .split-media .float-badge{left:14px;bottom:14px;padding:10px 14px;min-width:150px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .acc-btn{font-size:16.5px;}
  .feature-card{padding:24px 22px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --ok:#2E8B57;
  --warn:#C4632A;
  --err:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,51,44,.06);
  --sh-2:0 18px 40px -18px rgba(14,107,90,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.2}
h2{font-size:clamp(22px,3vw,32px);font-weight:700}
h3{font-size:19px;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-500)}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(30,158,126,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);letter-spacing:.06em}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand-500);border-radius:2px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.86);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(10,51,44,.45)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff}
.logo-mark svg{width:19px;height:19px}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center}
.main-nav a{position:relative;display:inline-block;padding:6px 0;font-size:14.5px;font-weight:500;color:var(--body);white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:50%;bottom:0;width:20px;height:2px;border-radius:2px;background:var(--brand-700);transform:translateX(-50%) scaleX(0);transition:transform .2s ease}
.main-nav a:hover{color:var(--brand-700)}
.main-nav a:hover::after,.main-nav a.active::after{transform:translateX(-50%) scaleX(1)}
.main-nav a.active{color:var(--brand-700);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}
.drawer{display:none;border-top:1px solid var(--line);background:#fff}
.drawer.open{display:block}
.drawer ul{padding:12px 32px 20px}
.drawer a{display:block;padding:12px 0;font-size:16px;font-weight:500;color:var(--body);border-bottom:1px solid var(--line)}
.drawer a.active{color:var(--brand-700);font-weight:700}
.drawer a:last-child{border-bottom:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-pill);padding:14px 26px;font-size:15px;font-weight:600;line-height:1;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;white-space:nowrap}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px -14px rgba(14,107,90,.75)}
.btn-primary:hover{color:#fff;filter:brightness(1.05);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-700)}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700)}
.btn-tertiary{background:transparent;color:var(--brand-700);padding:0;border-radius:0;border-bottom:1px solid rgba(14,107,90,.4);font-weight:600}
.btn-tertiary:hover{border-bottom-color:var(--brand-700);transform:none}
.btn-sm{padding:10px 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700)}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B9C4BF}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb [aria-current="page"]{color:var(--brand-700);font-weight:600}

/* ---------- 分类横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--grad-hero)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(8,58,49,.92) 0%,rgba(14,107,90,.78) 52%,rgba(30,158,126,.62) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero .container{position:relative;z-index:1;padding-bottom:52px}
.page-hero .breadcrumb{padding-top:24px}
.page-hero .breadcrumb a,.page-hero .breadcrumb li,.page-hero .breadcrumb li+li::before{color:rgba(233,246,241,.78)}
.page-hero .breadcrumb a:hover{color:#fff}
.page-hero .breadcrumb [aria-current="page"]{color:#fff}
.hero-tag{display:inline-flex;align-items:center;gap:8px;margin:26px 0 14px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#EAF6F1;font-size:13px;font-weight:600}
.page-hero h1{color:#fff;max-width:900px}
.page-hero-sub{margin:16px 0 0;max-width:640px;font-size:17px;color:#DCEFE9}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats span{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#F1FAF7;font-size:14px;font-weight:500}
.hero-stats b{font-weight:800;color:#fff}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.page-hero .btn-ghost{background:rgba(255,255,255,.94);border-color:transparent;color:var(--brand-700)}

/* ---------- 卡片网格（本页主版式） ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.topic-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E4DD}
.topic-card .thumb{position:relative;aspect-ratio:16/9;background:var(--brand-050);overflow:hidden}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover}
.topic-card .thumb .tag{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.92);color:var(--brand-700);font-size:12px;font-weight:700}
.topic-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.topic-card h3{transition:color .2s ease}
.topic-card:hover h3{color:var(--brand-700)}
.topic-card p{margin:10px 0 0;font-size:15px;color:var(--body);line-height:1.8}
.topic-meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--muted)}
.topic-card .link-arrow{margin-top:18px}

/* ---------- 深色数据带 ---------- */
.data-band{position:relative;background:var(--dark-section);color:#CFE5DD;border-radius:28px;overflow:hidden;padding:52px 44px}
.data-band::after{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.16;pointer-events:none}
.data-band .inner{position:relative;z-index:1}
.data-band h2{color:#fff}
.data-band .lead{margin:12px 0 34px;max-width:660px;font-size:15.5px;color:#BFD6CF}
.badge-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:start}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:22px 20px;transition:background .2s ease,transform .2s ease}
.stat:hover{background:rgba(255,255,255,.1)}
.stat:nth-child(2),.stat:nth-child(4){transform:translateY(24px)}
.stat:nth-child(2):hover,.stat:nth-child(4):hover{transform:translateY(22px)}
.stat .num{font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;line-height:1.1}
.stat .num small{font-size:15px;font-weight:600;margin-left:3px;color:#CFE5DD}
.stat .label{margin-top:8px;font-size:14px;color:#CFE5DD}

/* ---------- 图文说明区 ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--brand-050);box-shadow:var(--sh-1)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media .float-note{position:absolute;left:18px;bottom:18px;right:18px;background:#fff;border-radius:var(--r-md);padding:14px 18px;border-left:4px solid var(--brand-500);box-shadow:0 14px 30px -18px rgba(10,51,44,.4)}
.split-media .float-note strong{display:block;font-size:15px;color:var(--ink)}
.split-media .float-note span{font-size:13px;color:var(--muted)}
.row-list{display:grid;gap:14px;margin-top:26px}
.row-item{position:relative;padding:16px 20px 16px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--sh-1)}
.row-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--grad-brand)}
.row-item h4{font-size:16px;font-weight:600;color:var(--ink)}
.row-item p{margin:6px 0 0;font-size:14.5px;color:var(--body);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:44px}
.faq-side h2{max-width:280px}
.faq-side p{margin-top:14px;color:var(--muted);font-size:15px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;background:transparent;border:0;text-align:left;font-size:18px;font-weight:600;color:var(--ink);transition:color .2s ease}
.faq-q:hover{color:var(--brand-700)}
.faq-q .plus{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);transition:transform .18s ease,background .18s ease,border-color .18s ease}
.faq-q .plus svg{width:14px;height:14px}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand-050);border-color:var(--brand-100)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-a p{margin:0;padding:0 0 18px;font-size:15.5px;line-height:1.9;color:var(--body);max-width:720px}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--brand-050);border:1px solid var(--brand-100);border-radius:28px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,2.4vw,26px)}
.cta-band p{margin:8px 0 0;color:var(--muted);font-size:15px}
.cta-band .btn-primary{box-shadow:0 12px 26px -14px rgba(14,107,90,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-section);color:#BFD6CF;margin-top:0;padding:56px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff}
.site-footer p{font-size:14px;line-height:1.8;color:#A9C4BC;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.site-footer ul{display:grid;gap:10px}
.site-footer li{font-size:14px;color:#A9C4BC}
.site-footer a{color:#BFD6CF;font-size:14px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FAFA6}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none}
@media (max-width:639px){
  .mobile-tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:90;
    display:grid;grid-template-columns:repeat(4,1fr);
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -2px 14px rgba(10,51,44,.07);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 2px 8px;font-size:10px;font-weight:600;color:var(--muted)}
  .mobile-tabbar svg{width:21px;height:21px}
  .mobile-tabbar a.active{color:var(--brand-700)}
  body{padding-bottom:76px}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .main-nav ul{gap:14px}
  .main-nav a{font-size:13.5px}
  .brand-text{font-size:17px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:56px 0}
  .card-grid{gap:20px}
  .badge-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2),.stat:nth-child(4){transform:none}
  .stat:nth-child(2):hover,.stat:nth-child(4):hover{transform:translateY(-2px)}
  .split{grid-template-columns:1fr;gap:30px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-side h2{max-width:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .data-band{padding:42px 32px}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:1fr}
  .hero-stats span{font-size:13px;padding:7px 13px}
  .page-hero-sub{font-size:15.5px}
  .cta-band{padding:30px 24px}
  .data-band{border-radius:22px;padding:34px 24px}
  .section-head{margin-bottom:22px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .page-hero .container{padding-bottom:40px}
  .hero-tag{margin-top:20px}
  .card-grid{gap:16px}
  .topic-card .body{padding:18px 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column}
  .btn{width:100%;justify-content:center}
  .page-hero .hero-actions{flex-direction:column;align-items:stretch}
  .section-head .btn,.cta-band .btn{width:auto}
}
@media (max-width:400px){
  h1{font-size:26px}
  .brand-text{font-size:16px}
}

/* roulang page: category3 */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --success:#2E8B57;
  --warn:#C4632A;
  --error:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(10,51,44,.06);
  --shadow-hover:0 18px 40px -18px rgba(14,107,90,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.2;}
h2{font-size:clamp(22px,3vw,32px);font-weight:700;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
svg{display:block;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(30,158,126,.45);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.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:18px;margin-bottom:34px;}
.section-head .lead{max-width:640px;color:var(--muted);font-size:15px;margin:10px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px -18px rgba(10,51,44,.4);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand:hover{color:var(--brand-700);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;flex:0 0 auto;
}
.logo-mark svg{width:19px;height:19px;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:inline-block;position:relative;padding:8px 12px;font-size:14.5px;font-weight:500;
  color:var(--body);border-radius:999px;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--brand-700);transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-700);}
.main-nav a:hover::after,.main-nav a.active::after{width:20px;}
.main-nav a.active{color:var(--brand-700);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-actions .text-link{font-size:14px;color:var(--muted);font-weight:500;}
.header-actions .text-link:hover{color:var(--brand-700);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-size:15px;font-weight:600;
  padding:14px 26px;border-radius:999px;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,filter .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(14,107,90,.75);}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);color:#fff;box-shadow:var(--shadow-hover);}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 12px 26px -16px rgba(217,119,42,.7);}
.btn-accent:hover{filter:brightness(1.04);transform:translateY(-1px);color:#fff;}
.btn-ghost-outline{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-700);}
.btn-ghost-outline:hover{background:var(--brand-050);color:var(--brand-700);}
.btn-sm{padding:10px 20px;font-size:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid rgba(14,107,90,.35);padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--brand-500);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(8,58,49,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,340px);height:100%;
  background:#fff;padding:26px 24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-panel h3{font-size:16px;margin-bottom:18px;}
.drawer-panel ul li{border-bottom:1px solid var(--line);}
.drawer-panel ul li a{display:block;padding:14px 0;font-size:15px;color:var(--body);}
.drawer-panel ul li a.active{color:var(--brand-700);font-weight:600;}
.drawer-close{
  position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:18px;color:var(--muted);line-height:1;
}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:52px 0 54px;min-height:250px;
  background-image:linear-gradient(160deg,rgba(8,58,49,.94) 0%,rgba(14,107,90,.86) 62%,rgba(30,158,126,.8) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,162,74,.28),transparent 68%);
}
.cat-hero .container{position:relative;z-index:2;}
.crumbs{margin-bottom:18px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.75);}
.crumbs li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.45);}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:rgba(255,255,255,.85);}
.crumbs a:hover{color:#fff;}
.cat-hero h1{color:#fff;max-width:820px;}
.cat-hero .sub{margin-top:16px;max-width:680px;font-size:16px;color:rgba(255,255,255,.86);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  font-size:12.5px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
}

/* ---------- 时间线 ---------- */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;}
.timeline{position:relative;}
.step{
  position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;
  padding-bottom:34px;
}
.step::before{
  content:"";position:absolute;left:31px;top:64px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(30,158,126,.55),rgba(30,158,126,.06));
}
.step:last-child::before{display:none;}
.step-index{
  width:64px;height:64px;border-radius:50%;display:grid;place-items:center;
  font-size:20px;font-weight:800;tabular-nums;
  background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(14,107,90,.8);
  position:relative;z-index:2;
}
.step-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-100);}
.step-body h3{margin-bottom:8px;}
.step-body p{color:var(--body);font-size:15px;}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  background:var(--brand-100);color:var(--brand-700);border-radius:999px;padding:5px 12px;
}
.chip--muted{background:#F1F2EE;color:var(--muted);}
.chip--accent{background:var(--accent-100);color:var(--accent-600);}

/* 侧栏卡 */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);position:sticky;top:96px;
}
.side-card h3{margin-bottom:6px;}
.side-card .side-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--body);
}
.side-list li:last-child{border-bottom:none;}
.side-list .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-500);margin-top:9px;flex:0 0 auto;}
.side-card .btn{width:100%;margin-top:18px;}

/* ---------- 通栏图 ---------- */
.wide-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-card);
}
.wide-figure img{
  width:100%;aspect-ratio:16/6;object-fit:cover;background:var(--brand-050);
}
.wide-figure figcaption{
  padding:16px 24px 20px;font-size:13.5px;color:var(--muted);
  border-top:1px solid var(--line);
}

/* ---------- 深色数据区 ---------- */
.data-band{
  background:var(--dark-section);color:#CFE5DD;position:relative;overflow:hidden;
  border-radius:28px;padding:52px 44px;
}
.data-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(30,158,126,.28),transparent 62%);
}
.data-band .inner{position:relative;z-index:2;}
.data-band h2{color:#fff;}
.data-band .band-sub{color:#A9C6BE;font-size:15px;margin-top:12px;max-width:660px;}
.badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:34px;}
.badge-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-md);padding:22px 20px;
}
.badge-card:nth-child(even){transform:translateY(24px);}
.badge-value{font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1;}
.badge-value small{font-size:15px;font-weight:600;margin-left:4px;color:var(--accent-400);}
.badge-label{font-size:14px;color:#CFE5DD;margin-top:10px;}

/* ---------- 功能小卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.feature-card:hover h3{color:var(--brand-700);}
.feature-card h3{transition:color .2s ease;margin-bottom:10px;}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--brand-050);color:var(--brand-700);
}
.feature-icon svg{width:22px;height:22px;}
.feature-card p{font-size:14.8px;color:var(--body);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:44px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:18px;font-weight:600;color:var(--ink);
}
.faq-q .plus{
  width:26px;height:26px;flex:0 0 auto;position:relative;transition:transform .18s ease;
  color:var(--brand-700);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .plus::before{left:0;top:12px;width:26px;height:2px;}
.faq-q .plus::after{left:12px;top:0;width:2px;height:26px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease;}
.faq-a p{padding:0 0 16px;color:var(--body);font-size:15.5px;line-height:1.9;}
.faq-item.open .faq-a{max-height:320px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-050);border:1px solid var(--brand-100);border-radius:28px;
  padding:40px 44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);}
.cta-band p{color:var(--muted);font-size:14.8px;margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-section);color:#BFD6CF;margin-top:72px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--grad-brand);}
.site-footer p{font-size:14px;color:#9FBCB4;max-width:320px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer ul li a{color:#BFD6CF;}
.site-footer ul li a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#8FAEA6;
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -1px 12px rgba(10,51,44,.08);
}
.tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);height:60px;}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:10px;color:var(--muted);
}
.tabbar a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.active{color:var(--brand-700);font-weight:600;}
.tabbar a.active svg{fill:rgba(14,107,90,.12);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .header-actions .text-link{display:none;}
  .nav-toggle{display:flex;}
  .timeline-wrap{grid-template-columns:minmax(0,1fr);}
  .side-card{position:static;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .badges{grid-template-columns:repeat(2,minmax(0,1fr));}
  .badge-card:nth-child(even){transform:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .tabbar{display:block;}
  body{padding-bottom:76px;}
  .cat-hero{padding:38px 0 40px;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:26px;}
  .step::before{left:21px;top:46px;}
  .step-index{width:44px;height:44px;font-size:16px;}
  .step-body{padding:18px 18px;}
  .data-band{border-radius:22px;padding:34px 22px;}
  .cta-band{border-radius:22px;padding:28px 22px;}
  .wide-figure img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;}
  .header-actions .btn{padding:11px 18px;font-size:14px;}
  .brand{font-size:16.5px;}
}

/* roulang page: category4 */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --success:#2E8B57;
  --warn:#C4632A;
  --error:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,51,44,.06);
  --sh-2:0 18px 40px -18px rgba(14,107,90,.28);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--body);background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.2;font-weight:800;}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(30,158,126,.45);border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
.section{padding:72px 0;}
.section-alt{background:var(--card);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,0);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(10,51,44,.35);
  backdrop-filter:blur(8px);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand-900);white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;box-shadow:0 6px 14px -8px rgba(14,107,90,.8);
}
.logo-mark svg{width:19px;height:19px;}
.main-nav{flex:1 1 auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--body);
  border-radius:var(--r-sm);transition:color .2s ease,background .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--brand-500);transition:width .22s ease;
}
.main-nav a:hover{color:var(--brand-700);}
.main-nav a:hover::after,.main-nav a.active::after{width:20px;}
.main-nav a.active{color:var(--brand-700);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.link-quiet{font-size:15px;color:var(--muted);transition:color .2s ease;}
.link-quiet:hover{color:var(--brand-700);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:13px 24px;font-size:15px;font-weight:600;
  transition:transform .18s ease,filter .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(14,107,90,.9);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost-outline{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-700);}
.btn-ghost-outline:hover{background:var(--brand-050);}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:0 12px 26px -18px rgba(4,32,27,.9);}
.btn-light:hover{transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 12px 26px -16px rgba(217,119,42,.85);}
.btn-accent:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-ghost-line{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-700);
  border-bottom:1.5px solid var(--brand-100);padding:4px 0;transition:border-color .2s ease,color .2s ease;
}
.btn-ghost-line:hover{border-color:var(--brand-500);}
.header-cta{padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--brand-050);
  padding:26px 22px 40px;display:none;overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink);}
.drawer nav ul{display:grid;gap:10px;}
.drawer nav a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:15px 18px;font-size:16px;font-weight:600;color:var(--ink);
}
.drawer nav a.active{color:var(--brand-700);border-color:var(--brand-100);background:#fff;}
.drawer-foot{margin-top:26px;display:grid;gap:12px;}

/* ============ 移动底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 18px -14px rgba(10,51,44,.4);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);height:60px;}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);
}
.tabbar svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.active{color:var(--brand-700);font-weight:600;}
.tabbar a.active svg{fill:rgba(30,158,126,.16);}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(8,58,49,.94) 0%,rgba(14,107,90,.9) 55%,rgba(30,158,126,.86) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-radius:0 0 28px 28px;
}
.page-hero .container{position:relative;z-index:2;padding-top:46px;padding-bottom:52px;}
.crumbs{margin-bottom:20px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);}
.crumbs li::after{content:"/";margin-left:8px;color:rgba(255,255,255,.4);}
.crumbs li:last-child::after{content:"";margin:0;}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.page-hero h1{color:#fff;max-width:900px;}
.page-hero .lede{margin-top:16px;max-width:720px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#E4F4EE;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-pill);padding:7px 14px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-400);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ============ 对比两栏 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
.compare-col{border-radius:var(--r-lg);padding:30px 28px;border:1px solid var(--line);}
.compare-col.plain{background:var(--card);box-shadow:var(--sh-1);}
.compare-col.tinted{background:var(--brand-050);border-color:var(--brand-100);}
.col-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  border-radius:var(--r-pill);padding:7px 15px;margin-bottom:18px;
}
.plain .col-pill{background:var(--accent-100);color:var(--accent-600);}
.tinted .col-pill{background:var(--brand-100);color:var(--brand-700);}
.compare-col h3{font-size:20px;margin-bottom:8px;}
.compare-col .col-sub{font-size:14px;color:var(--muted);margin-bottom:18px;}
.point-list{display:grid;gap:14px;}
.point-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--body);}
.point-list li strong{color:var(--ink);font-weight:600;}
.dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:4px;
  display:grid;place-items:center;font-size:11px;font-weight:700;
}
.plain .dot{background:var(--accent-100);color:var(--accent-600);}
.tinted .dot{background:#fff;color:var(--brand-700);border:1px solid var(--brand-100);}

/* ============ 资金流程 ============ */
.flow-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.flow-list{display:grid;gap:0;}
.flow-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:20px 0;border-bottom:1px dashed var(--line);
}
.flow-item:first-child{padding-top:0;}
.flow-item:last-child{border-bottom:0;padding-bottom:0;}
.flow-num{
  width:44px;height:44px;border-radius:14px;background:var(--brand-050);color:var(--brand-700);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.flow-item h3{font-size:18px;margin-bottom:6px;}
.flow-item p{margin:0;font-size:15px;color:var(--body);}
.flow-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--brand-050);}
.flow-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.float-note{
  position:absolute;left:18px;bottom:18px;right:18px;background:#fff;border-radius:var(--r-md);
  padding:14px 16px 14px 20px;box-shadow:var(--sh-2);border-left:4px solid var(--brand-500);
}
.float-note b{display:block;color:var(--ink);font-size:15px;}
.float-note span{font-size:13px;color:var(--muted);}

/* ============ 深色数据区 ============ */
.dark-band{
  background:var(--dark-section);color:#CFE5DD;position:relative;overflow:hidden;
  border-radius:28px;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(30,158,126,.28) 0%,rgba(30,158,126,0) 62%);
}
.dark-band .container{position:relative;z-index:2;padding-top:58px;padding-bottom:58px;}
.dark-band h2{color:#fff;}
.dark-band .section-head p{color:#9FC4B9;}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.badge{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);padding:24px 22px;
}
.badge:nth-child(2n){transform:translateY(24px);}
.badge .num{font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;line-height:1.1;}
.badge .num small{font-size:15px;font-weight:600;margin-left:4px;color:#A9CFC3;}
.badge .lbl{margin-top:10px;font-size:14px;line-height:1.7;color:#CFE5DD;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.faq-side p{font-size:15px;color:var(--muted);margin-top:12px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:16px;font-weight:600;color:var(--brand-700);
  transition:transform .18s ease,background .2s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--brand-050);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 44px 16px 0;font-size:15px;line-height:1.9;color:var(--body);margin:0;}
.faq-item.is-open .faq-a{max-height:340px;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad-accent);border-radius:28px;color:#fff;
  padding:42px 44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,27px);}
.cta-band p{margin:10px 0 0;font-size:15px;color:rgba(255,255,255,.92);max-width:620px;}
.cta-band .btn-light{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark-section);color:#BFD6CF;margin-top:72px;}
.site-footer .container{padding-top:58px;padding-bottom:26px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-grid p{font-size:14px;line-height:1.85;color:#9FC4B9;margin:0;}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-grid ul{display:grid;gap:11px;}
.footer-grid li{font-size:14px;line-height:1.7;}
.footer-grid a{color:#BFD6CF;transition:color .2s ease;}
.footer-grid a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:#8FB3A8;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .header-actions .link-quiet{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:56px 0;}
  .compare-grid{grid-template-columns:1fr;gap:22px;}
  .flow-wrap{grid-template-columns:1fr;gap:30px;}
  .badges{grid-template-columns:repeat(2,1fr);}
  .badge:nth-child(2n){transform:none;}
  .faq-grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:639px){
  body{padding-bottom:76px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .header-inner{height:64px;}
  .logo{font-size:16px;}
  .header-cta{display:none;}
  .tabbar{display:block;}
  .page-hero{border-radius:0 0 20px 20px;}
  .page-hero .container{padding-top:32px;padding-bottom:40px;}
  .cta-band{padding:30px 24px;border-radius:22px;}
  .cta-band .btn-light{width:100%;}
  .badges{grid-template-columns:1fr;}
  .faq-q{font-size:17px;}
  .faq-a p{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category5 */
:root{
  --brand-900:#083A31;
  --brand-700:#0E6B5A;
  --brand-500:#1E9E7E;
  --brand-100:#DCEFE9;
  --brand-050:#EFF7F4;
  --accent-600:#D9772A;
  --accent-400:#E9A24A;
  --accent-100:#FBEBD7;
  --ink:#16211E;
  --body:#3A4A45;
  --muted:#6B7B75;
  --line:#E3E5E0;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --dark-section:#0A332C;
  --success:#2E8B57;
  --warn:#C4632A;
  --error:#B3453C;
  --grad-brand:linear-gradient(135deg,#0E6B5A 0%,#1E9E7E 100%);
  --grad-accent:linear-gradient(135deg,#D9772A 0%,#E9A24A 100%);
  --grad-hero:linear-gradient(160deg,#EFF7F4 0%,#F6F4EF 60%,#FBEBD7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(10,51,44,.06);
  --shadow-2:0 18px 40px -18px rgba(14,107,90,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(30,158,126,.45);border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.86);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px -20px rgba(10,51,44,.45);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;justify-content:space-between}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px}
.main-nav ul{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.main-nav a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--body);transition:color .2s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand-700);transition:width .2s ease}
.main-nav a:hover,.main-nav a.active{color:var(--brand-700)}
.main-nav a:hover::after,.main-nav a.active::after{width:20px}
.header-actions{display:flex;align-items:center;gap:16px}
.link-quiet{font-size:14px;color:var(--muted);transition:color .2s ease}
.link-quiet:hover{color:var(--brand-700)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:20px 18px 96px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;visibility:hidden;transition:.22s ease;
}
body.drawer-open .mobile-drawer{transform:translateY(0);opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--card);
  cursor:pointer;font-size:20px;line-height:1;color:var(--muted);
}
.drawer-links{list-style:none;display:grid;gap:6px;margin:0;padding:0}
.drawer-links a{
  display:block;padding:16px 18px;border-radius:var(--r-md);background:var(--card);
  border:1px solid var(--line);font-weight:600;color:var(--ink);
}
.drawer-links a.active{background:var(--brand-050);border-color:var(--brand-100);color:var(--brand-700)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,filter .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(14,107,90,.75)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-050)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;padding:6px 0;border:0;background:none;
  border-bottom:1px solid var(--brand-100);border-radius:0;color:var(--brand-700);
  font-size:15px;font-weight:600;cursor:pointer;transition:.2s ease;
}
.btn-ghost:hover{color:var(--brand-900);border-bottom-color:var(--brand-500);gap:10px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;filter:grayscale(.4)}

/* ---------- 分类页横幅 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(135deg,rgba(8,58,49,.94) 0%,rgba(30,158,126,.86) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:52px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.16);
}
.page-hero-inner{position:relative;z-index:1;max-width:820px}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.5)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.page-hero h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.2;color:#fff;letter-spacing:.4px}
.hero-sub{margin-top:14px;font-size:17px;color:rgba(255,255,255,.9);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.page-hero .btn-outline{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);color:#fff}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.22)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);
  font-size:13px;color:#fff;
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px;
}
.section-lead{margin-top:10px;color:var(--muted);font-size:15px;max-width:620px}

/* 联系通道：横向列表行 + 左侧色条 */
.channel-list{display:grid;gap:18px}
.channel-row{
  display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:24px;
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand-500);
  border-radius:var(--r-md);padding:22px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-left-color .2s ease;
}
.channel-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-left-color:var(--accent-600)}
.channel-icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-050);color:var(--brand-700);
  display:grid;place-items:center;
}
.channel-icon svg{width:24px;height:24px}
.channel-body h3{font-size:19px;font-weight:600;margin-bottom:6px}
.channel-body p{color:var(--body);font-size:15px}
.channel-meta{font-size:13.5px;color:var(--muted);margin-top:6px}

/* 问答式列表 */
.qa-list{border-top:1px solid var(--line)}
.qa-item{
  display:grid;grid-template-columns:64px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.qa-num{
  font-size:18px;font-weight:800;color:var(--brand-500);letter-spacing:.5px;
  border-left:4px solid var(--brand-500);padding-left:12px;line-height:1.4;
}
.qa-body h3{font-size:18px;font-weight:600;line-height:1.6;margin-bottom:10px}
.qa-body p{font-size:16px;line-height:1.9;color:var(--body)}
.qa-body p+p{margin-top:10px}
.qa-foot{margin-top:22px;display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.muted-note{font-size:14px;color:var(--muted)}

/* 提问准备面板 */
.tips-panel{
  background:var(--brand-050);border:1px solid var(--brand-100);border-radius:var(--r-lg);
  padding:40px;display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start;
}
.tips-panel h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3}
.tips-panel .section-lead{color:var(--body)}
.check-list{list-style:none;display:grid;gap:16px;margin-top:6px}
.check-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--body)}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--accent-600);
}
.check-list li strong{color:var(--ink);font-weight:600}

/* FAQ 手风琴 */
.faq-wrap{display:grid;grid-template-columns:1fr 1.6fr;gap:44px;align-items:start}
.faq-intro h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3}
.accordion{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.acc-btn:hover{color:var(--brand-700)}
.acc-icon{
  position:relative;width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  background:var(--brand-050);color:var(--brand-700);transition:transform .18s ease;
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;transform:translate(-50%,-50%);
}
.acc-icon::before{width:10px;height:2px}
.acc-icon::after{width:2px;height:10px}
.acc-btn[aria-expanded="true"] .acc-icon{transform:rotate(45deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .22s ease}
.acc-panel p{padding:0 0 18px;font-size:15.5px;line-height:1.9;color:var(--body)}

/* CTA 带 */
.cta-section{padding:0 0 72px}
.cta-band{
  background:var(--grad-accent);border-radius:28px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
  box-shadow:0 24px 50px -30px rgba(217,119,42,.85);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:8px;color:rgba(255,255,255,.92);font-size:15.5px;max-width:640px}
.cta-band .btn-primary{background:#fff;color:var(--accent-600);box-shadow:0 14px 30px -18px rgba(0,0,0,.4);white-space:nowrap}
.cta-band .btn-primary:hover{filter:brightness(.98)}

/* 页脚 */
.site-footer{background:var(--dark-section);color:#BFD6CF;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18)}
.site-footer p{font-size:14.5px;line-height:1.9;color:#BFD6CF;max-width:320px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul{list-style:none;display:grid;gap:10px}
.site-footer ul li{font-size:14.5px}
.site-footer a{color:#BFD6CF;transition:color .2s ease}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#9EBDB4;
}

/* 移动底部 Tab */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:60px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -1px 0 rgba(10,51,44,.06);
  grid-template-columns:repeat(4,1fr);
}
.mobile-tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--muted);
}
.mobile-tabbar svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabbar a.active{color:var(--brand-700)}
.mobile-tabbar a.active svg{fill:rgba(14,107,90,.12)}

/* 响应式 */
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tips-panel{grid-template-columns:1fr;gap:26px;padding:32px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .section{padding:56px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:639px){
  body{padding-bottom:76px}
  .container{padding:0 18px}
  .header-inner{height:64px}
  .page-hero{padding:38px 0 46px}
  .page-hero h1{letter-spacing:0}
  .hero-sub{font-size:15.5px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .channel-row{grid-template-columns:1fr;gap:16px;padding:20px}
  .channel-row .btn-ghost{justify-self:flex-start}
  .qa-item{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .qa-num{border-left:4px solid var(--brand-500);padding-left:10px;display:inline-block}
  .mobile-tabbar{display:grid}
  .cta-band{padding:28px;border-radius:22px}
  .cta-band .btn-primary{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}