/* roulang page: index */
:root{
  --ink:#101418;
  --ink-2:#4A5259;
  --line:#E3E0D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --brand:#0F6B4F;
  --brand-d:#0A4C39;
  --brand-l:#E6F1EC;
  --accent:#F2622A;
  --accent-d:#D6511D;
  --accent-2:#F5C24B;
  --ok:#1E8A5F;
  --err:#C6402F;
  --radius:10px;
  --radius-sm:6px;
  --pill:999px;
  --shadow-1:0 1px 0 var(--line),0 6px 18px rgba(16,20,24,.06);
  --shadow-2:0 1px 0 var(--line),0 12px 28px rgba(16,20,24,.10);
  --ease:cubic-bezier(.4,0,.2,1);
  --t:.2s var(--ease);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:2px}
::selection{background:var(--brand);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--line)}
::-webkit-scrollbar-thumb{background:#c6c2b6;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#ada99d}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 按钮 / 链接 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,98,42,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#f2f0e9;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);border-bottom:2px solid var(--brand);padding-bottom:2px;transition:color var(--t),border-color var(--t)}
.text-link:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 8px 20px rgba(16,20,24,.07)}
.header-inner{display:flex;align-items:center;gap:40px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:26px;height:26px;flex:0 0 auto;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-d) 100%);clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%)}
.logo-text{font-size:14px;font-weight:800;letter-spacing:.01em;white-space:nowrap;color:var(--ink)}
.main-nav{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:32px}
.nav-link{position:relative;padding:6px 0;font-size:15px;color:var(--ink-2);transition:color var(--t)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{flex:0 0 auto;display:flex;align-items:center;gap:16px}
.icon-link{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-sm);color:var(--ink-2);border:1px solid transparent;transition:color var(--t),border-color var(--t),background var(--t)}
.icon-link:hover{color:var(--brand);border-color:var(--line);background:var(--surface)}
.icon-link svg{width:18px;height:18px}
.menu-btn{display:none;align-items:center;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:14px;font-weight:600;color:var(--ink);background:var(--surface)}
.menu-btn:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;background:var(--bg);display:flex;flex-direction:column;padding:20px 24px 32px;transform:translateX(100%);transition:transform .22s var(--ease);overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{font-size:14px;font-weight:600;color:var(--brand);padding:6px 0}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px}
.drawer-nav a{display:flex;align-items:center;gap:10px;padding:18px 2px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a.is-active::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--brand)}
.drawer-foot{margin-top:28px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 76px}
.hero::before{content:"";position:absolute;top:0;right:0;width:54%;height:100%;background-image:repeating-linear-gradient(112deg,rgba(15,107,79,.07) 0 1px,transparent 1px 24px);pointer-events:none}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--brand);background:var(--brand-l);border-radius:var(--pill);padding:6px 14px;margin-bottom:20px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:18px}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.trust-bar{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line)}
.trust-bar li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.trust-bar svg{width:16px;height:16px;color:var(--brand);flex:0 0 auto}
.hero-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,0) 52%,rgba(16,20,24,.42) 100%)}
.hero-media figcaption{position:absolute;left:20px;bottom:18px;z-index:2;color:#fff;font-size:13.5px;font-weight:600;letter-spacing:.02em}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{font-size:30px}
.sec-lead{color:var(--ink-2);margin-top:12px;max-width:680px;font-size:15.5px}
.sec-more{flex:0 0 auto;padding-bottom:6px}

/* ---------- 阶梯 ---------- */
.tiers{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;margin-top:8px}
.tier{position:relative}
.tier-num{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;background:var(--ink);color:#fff;font-family:var(--mono);font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;border-radius:8px}
.tier:not(:last-child)::after{content:"";position:absolute;top:27px;left:64px;width:calc(100% - 64px + 28px);height:1px;background:var(--line)}
.tier:not(:last-child)::before{content:"";position:absolute;top:23px;left:calc(100% + 24px);width:9px;height:9px;border-radius:50%;background:var(--brand);border:2px solid var(--bg);z-index:2}
.tier-name{margin-top:18px;font-size:18px;font-weight:700}
.tier-cond{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--ink-2)}

/* ---------- 套餐对比矩阵 ---------- */
.matrix-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}
.matrix{min-width:840px}
.matrix-head{display:grid;grid-template-columns:1.25fr repeat(3,1fr);border-bottom:1px solid var(--line)}
.mh-cell{position:relative;display:flex;flex-direction:column;gap:10px;padding:26px 22px;border-left:1px solid var(--line)}
.mh-cell:first-child{border-left:0;justify-content:flex-end}
.mh-cell.is-featured{background:var(--brand-l)}
.mh-label{font-size:14px;color:var(--ink-2);font-weight:600}
.plan-name{font-size:19px;font-weight:800;letter-spacing:-.01em}
.plan-sub{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.flag{position:absolute;top:0;right:0;background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;padding:4px 14px 4px 16px;clip-path:polygon(12px 0,100% 0,100% 100%,0 100%)}
.matrix-row{display:grid;grid-template-columns:1.25fr repeat(3,1fr);border-bottom:1px solid var(--line)}
.matrix-row:last-child{border-bottom:0}
.matrix-row > div{display:flex;align-items:center;gap:8px;padding:16px 22px;border-left:1px solid var(--line);font-size:15px}
.matrix-row > div:first-child{border-left:0;color:var(--ink-2);font-size:14.5px;font-weight:600}
.matrix-row:hover{background:#fbfaf6}
.v-yes{color:var(--brand);font-weight:700}
.v-yes::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.v-no{color:#b3afa4;font-family:var(--mono)}

/* ---------- 限时入口 ---------- */
.urgent{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;background:var(--brand-d);color:#fff;border-radius:14px;padding:40px 44px;overflow:hidden}
.urgent::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(118deg,rgba(255,255,255,.06) 0 1px,transparent 1px 20px);pointer-events:none}
.urgent-text{position:relative;z-index:1;max-width:620px}
.urgent-tag{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--brand-d);background:var(--accent-2);border-radius:var(--pill);padding:4px 13px;margin-bottom:14px}
.urgent h2{font-size:26px;color:#fff;margin-bottom:10px}
.urgent p{font-size:15px;color:rgba(255,255,255,.78)}
.urgent-side{position:relative;z-index:1;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.countdown{display:flex;align-items:center;gap:6px}
.countdown .cd-label{font-size:13px;color:rgba(255,255,255,.72);margin-right:8px}
.cd-num{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:48px;background:var(--ink);color:#fff;font-family:var(--mono);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;border-radius:8px;letter-spacing:-.02em}
.countdown i{font-style:normal;color:rgba(255,255,255,.5);font-family:var(--mono)}
.urgent-foot{position:relative;z-index:1}

/* ---------- 保障卡 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guard-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.guard-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#d6d2c6}
.guard-ico{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--brand-l);color:var(--brand);margin-bottom:16px}
.guard-ico svg{width:20px;height:20px}
.guard-card h3{font-size:17px;margin-bottom:10px}
.guard-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t)}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-card:hover .post-title{color:var(--brand)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#ecebe5}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 22px}
.badge{align-self:flex-start;display:inline-flex;align-items:center;font-size:12.5px;font-weight:700;color:var(--brand);background:var(--brand-l);border-radius:var(--pill);padding:3px 12px}
.post-title{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t)}
.post-sum{font-size:14.5px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:48px 24px;text-align:center;color:var(--ink-2);background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius)}
.empty-state svg{width:24px;height:24px;color:#b3afa4}
.empty-state p{font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 2px;font-size:16px;font-weight:700;cursor:pointer;list-style:none;transition:color var(--t)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:22px;font-weight:400;line-height:1;color:var(--ink-2);transition:color var(--t),transform var(--t)}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−";color:var(--brand)}
.faq-body{max-width:840px;padding:0 2px 24px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- 咨询表单 ---------- */
.consult{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.consult h2{font-size:28px;margin-bottom:14px}
.consult-lead{font-size:15.5px;color:var(--ink-2);margin-bottom:26px}
.point-list{display:flex;flex-direction:column;gap:16px}
.point-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.75}
.point-list svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;color:var(--brand)}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);font-size:15px;transition:border-color var(--t),box-shadow var(--t)}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(15,107,79,.18)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field-error{display:none;font-size:13.5px;color:var(--err)}
.field.has-error .field-error{display:block}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px;line-height:1.7}
.agree input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--brand)}
.form-success{display:none;align-items:center;gap:10px;background:var(--brand-l);color:var(--brand);border-radius:var(--radius-sm);padding:14px 18px;font-size:14.5px;font-weight:600;margin-bottom:18px}
.form-success.is-on{display:flex}
.form-loading{display:none;height:3px;border-radius:var(--pill);background:linear-gradient(90deg,var(--brand-l),var(--brand),var(--brand-l));background-size:200% 100%;animation:sweep .9s linear infinite;margin-top:12px}
.form-loading.is-on{display:block}
@keyframes sweep{from{background-position:0 0}to{background-position:-200% 0}}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:var(--ink);color:#c3c9ce;padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--brand) 0%,#1a8f6b 100%)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#8f979e;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.02em;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#8f979e;transition:color var(--t)}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;color:#8f979e;line-height:1.8;margin-bottom:8px}
.footer-contact strong{display:block;color:#fff;font-family:var(--mono);font-size:16px;letter-spacing:-.01em;margin-bottom:10px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 0 30px;font-size:13.5px;color:#767e85}
.footer-bottom a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;z-index:70;display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line);color:var(--ink);box-shadow:var(--shadow-1);transition:color var(--t),border-color var(--t),transform var(--t)}
.to-top:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.to-top svg{width:18px;height:18px}
.to-top.is-on{display:inline-flex}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1100px}
  .hero h1{font-size:38px}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
  .footer-contact{grid-column:1/-1}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .header-inner{gap:20px;min-height:66px}
  .header-actions .btn-primary{display:none}
  .section{padding:68px 0}
  .hero{padding:48px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .hero-media{order:-1}
  .tiers{grid-template-columns:repeat(2,1fr);gap:32px 28px}
  .tier::before,.tier:not(:last-child)::after{display:none}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .consult{grid-template-columns:1fr;gap:36px}
  .urgent{padding:32px 28px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:23px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-cta{gap:18px}
  .btn{height:44px;padding:0 20px}
  .tiers{display:block}
  .tier{display:grid;grid-template-columns:56px 1fr;column-gap:18px;padding-bottom:26px;position:relative}
  .tier-num{grid-row:1/3;align-self:start}
  .tier-name{margin-top:2px;font-size:17px}
  .tier-cond{margin-top:6px;grid-column:2}
  .tier:not(:last-child) .tier-num::after{content:"";position:absolute;left:27px;top:60px;bottom:2px;width:1px;background:var(--line)}
  .tier:not(:last-child)::before,.tier:not(:last-child)::after{display:none}
  .matrix{min-width:720px}
  .guard-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-card{padding:24px 20px}
  .urgent{flex-direction:column;align-items:flex-start;gap:24px;padding:28px 22px}
  .urgent h2{font-size:22px}
  .cd-num{min-width:42px;height:42px;font-size:18px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px 20px;padding-bottom:32px}
  .footer-brand{grid-column:1/-1}
  .site-footer{padding-top:48px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .logo-text{font-size:12.5px}
  .trust-bar{flex-direction:column;gap:10px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#101418;
  --ink-2:#4A5259;
  --line:#E3E0D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --brand:#0F6B4F;
  --brand-d:#0A4C39;
  --brand-l:#E6F1EC;
  --accent:#F2622A;
  --accent-d:#D9531F;
  --accent-2:#F5C24B;
  --ok:#1E8A5F;
  --err:#C6402F;
  --r-card:10px;
  --r-btn:6px;
  --r-pill:999px;
  --shadow-1:0 1px 0 var(--line),0 6px 18px rgba(16,20,24,.06);
  --shadow-2:0 1px 0 var(--line),0 12px 26px rgba(16,20,24,.10);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.4,0,.2,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:2px}
::selection{background:var(--brand-l);color:var(--brand-d)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--line)}
::-webkit-scrollbar-thumb{background:#C9C5B9;border-radius:8px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 4px 16px rgba(16,20,24,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:10px;height:10px;background:var(--brand);clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%)}
.logo-text{font-size:14px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  right:-9px;
  top:50%;
  width:4px;height:4px;
  border-radius:50%;
  background:var(--brand);
  transform:translateY(-50%);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--surface);
  color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn svg{width:16px;height:16px}
.nav-toggle{
  display:none;
  background:none;border:0;
  font-size:15px;font-weight:700;
  color:var(--ink);
  padding:8px 0;
  cursor:pointer;
}
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--bg);
  display:none;
  flex-direction:column;
  padding:20px 24px 40px;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{background:none;border:0;font-size:15px;font-weight:700;color:var(--brand);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{
  position:relative;
  padding:18px 0;
  font-size:17px;
  font-weight:600;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a.is-active::after{
  content:"";position:absolute;right:2px;top:50%;width:6px;height:6px;border-radius:50%;background:var(--brand);transform:translateY(-50%);
}
.drawer-cta{margin-top:28px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,98,42,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{background:var(--brand-l)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);
  font-weight:700;
  font-size:15px;
  border-bottom:2px solid rgba(15,107,79,.35);
  padding-bottom:2px;
  transition:border-color .18s var(--ease);
}
.text-link:hover{border-bottom-color:var(--brand)}

/* ---------- badge / tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-l);
  color:var(--brand-d);
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.badge-dark{background:var(--ink);color:#fff}
.badge-accent{background:var(--accent-2);color:#3A2C05}
.badge-cut{clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}

/* ---------- progress ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--brand);z-index:130;transition:width .1s linear}

/* ---------- article layout ---------- */
.page-main{padding:36px 0 88px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;
  color:var(--ink-2);
  margin-bottom:26px;
}
.crumbs a{color:var(--ink-2);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#BEB9AC}
.crumbs .current{color:var(--ink);font-weight:600}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px);
  justify-content:center;
  gap:56px;
}
.article-main{min-width:0}
.article-side{display:none}

.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article-head h1{
  font-size:38px;
  font-weight:800;
  line-height:1.28;
  margin-bottom:18px;
  overflow-wrap:anywhere;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--ink-2);font-size:13.5px}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C4BFB2}
.meta-views{display:inline-flex;align-items:center;gap:6px}
.meta-views b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--ink);letter-spacing:-.02em}

.article-hero{margin:0 0 34px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#EFEDE6}
.article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover}

.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#20262B;overflow-wrap:anywhere}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:800;
  line-height:1.35;
  margin-top:2em;
  padding-left:16px;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.18em;
  width:4px;height:1.05em;
  background:var(--brand);
  border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:700;margin-top:1.7em;color:var(--ink)}
.article-body img{border-radius:var(--r-card);border:1px solid var(--line);margin-top:1.4em}
.article-body figcaption{
  font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;
}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(15,107,79,.4);transition:border-color .18s var(--ease)}
.article-body a:hover{border-bottom-color:var(--brand);border-bottom-width:2px}
.article-body blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  background:var(--brand-l);
  border-left:4px solid var(--accent);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--brand-d);
  font-size:16.5px;
}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body ul li{list-style:none;position:relative;padding-left:18px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--brand);border-radius:1px;
}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.5em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:#F1EFE8;font-weight:700}
.article-body code{font-family:var(--font-mono);font-size:15px;background:#F1EFE8;padding:2px 6px;border-radius:4px}

.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:48px 24px;
  text-align:center;
  background:var(--surface);
}
.empty-state svg{width:24px;height:24px;color:var(--ink-2);margin:0 auto 14px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:52px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-right:auto}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:22px;
}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;font-size:14.5px;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{color:var(--ink-2);transition:color .18s var(--ease)}
.side-list a:hover{color:var(--brand)}
.side-note{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.side-cta{background:var(--ink);border-color:var(--ink);color:#fff}
.side-cta h3{border-bottom-color:rgba(255,255,255,.16)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px}
.side-cta .btn-primary{width:100%}
.sticky-wrap{position:sticky;top:calc(var(--nav-h) + 24px)}

/* ---------- related ---------- */
.section{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.section-head h2{font-size:24px;font-weight:800}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card:hover .card-title{color:var(--brand)}
.card-media{aspect-ratio:16/9;background:#EFEDE6;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s var(--ease)}
.card-desc{font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-top:auto;padding-top:6px}
.card-meta .mono{color:var(--ink)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:14px;color:var(--ink)}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:5px 0;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-contact strong{display:block;font-size:15px;margin-bottom:8px}
.footer-contact p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}

/* ---------- responsive ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:space-between;gap:56px}
  .article-side{display:block}
}
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .article-head h1{font-size:30px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-main{padding:24px 0 56px}
  .article-head h1{font-size:26px}
  .article-head{padding-bottom:20px;margin-bottom:26px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .section{padding:48px 0 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-top{grid-template-columns:1fr}
  .footer-desc{max-width:none}
  .article-foot{gap:10px}
}
@media (max-width:480px){
  .logo-text{font-size:13px}
  .article-head h1{font-size:23px}
  .btn{height:42px;padding:0 16px;font-size:14.5px}
}

/* roulang page: category1 */
:root{
  --ink:#101418;
  --ink-2:#4A5259;
  --line:#E3E0D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --brand:#0F6B4F;
  --brand-d:#0A4C39;
  --brand-l:#E6F1EC;
  --accent:#F2622A;
  --accent-d:#D9501C;
  --accent-2:#F5C24B;
  --ok:#1E8A5F;
  --err:#C6402F;
  --r-card:10px;
  --r-btn:6px;
  --shadow-1:0 1px 0 var(--line), 0 6px 18px rgba(16,20,24,.06);
  --shadow-2:0 1px 0 var(--line), 0 12px 24px rgba(16,20,24,.10);
  --mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline;text-decoration-thickness:1px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.02em}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:21px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:3px}
::selection{background:var(--brand-l)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.site-header.is-stuck{border-bottom:1px solid var(--line);box-shadow:0 6px 18px rgba(16,20,24,.05)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{
  width:26px;height:26px;flex:0 0 26px;
  background:var(--brand);
  clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,0 100%);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;
  border:1px solid rgba(255,255,255,.85);
}
.logo-text{font-size:14px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  position:relative;padding:6px 0;
  font-size:15px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink);text-decoration:none}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";position:absolute;right:-11px;top:50%;width:4px;height:4px;
  margin-top:-2px;border-radius:50%;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:16px}
.icon-link{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--ink-2);background:var(--surface);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.icon-link:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.icon-link svg{width:16px;height:16px}
.menu-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--ink);padding:8px 14px;font-size:14px;font-weight:700;letter-spacing:.04em;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;text-align:center;
  transition:background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,98,42,.22)}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,98,42,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,98,42,.20)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--brand);border:none;padding:10px 0;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.btn-ghost:hover{text-decoration-thickness:3px}
.btn-onDark{background:#fff;color:var(--ink)}
.btn-onDark:hover{background:var(--brand-l);color:var(--brand-d)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}

/* ============ badges / tags ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:var(--brand-l);color:var(--brand-d);
}
.badge-ink{background:var(--ink);color:#fff}
.badge-cut{
  border-radius:0;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  padding:4px 14px 4px 11px;
}
.tag{
  display:inline-block;padding:3px 10px;border:1px solid var(--line);border-radius:999px;
  font-size:12.5px;color:var(--ink-2);background:var(--surface);
}

/* ============ header crumbs ============ */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--ink-2)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li::after{content:"/";margin-left:8px;color:var(--line)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs [aria-current]{color:var(--ink);font-weight:700}

/* ============ hero ============ */
.hero{padding:34px 0 64px}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  min-height:340px;
}
.hero-eyebrow{margin-bottom:16px}
.hero h1{max-width:14em}
.hero-lead{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:34em}
.hero-points{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(16,20,24,0) 45%,rgba(16,20,24,.22) 100%);
  pointer-events:none;
}
.hero-media figcaption{
  margin-top:12px;font-size:13px;color:var(--ink-2);
}
.hero-facts{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.hero-fact strong{display:block;font-size:15px;color:var(--ink)}
.hero-fact span{font-size:13.5px;color:var(--ink-2)}

/* ============ anchor bar ============ */
.anchor-bar{
  position:sticky;top:74px;z-index:40;
  background:var(--bg);border-bottom:1px solid var(--line);
}
.anchor-bar ul{display:flex;gap:28px;overflow-x:auto;scrollbar-width:thin}
.anchor-bar a{
  display:block;padding:14px 0;font-size:14px;color:var(--ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.anchor-bar a:hover{color:var(--ink);border-color:var(--brand);text-decoration:none}
.anchor-bar a.is-active{color:var(--ink);font-weight:700;border-color:var(--brand)}

/* ============ sections ============ */
.section{padding:88px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .badge{margin-bottom:14px}
.section-head p{margin-top:14px;color:var(--ink-2)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head-row p{margin-top:12px;color:var(--ink-2);max-width:640px}

/* ============ timeline ============ */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border-top:1px solid var(--line);padding-top:34px;position:relative;
}
.timeline::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--line);
}
.step{position:relative;padding-right:22px}
.step::before{
  content:"";position:absolute;top:-39px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:52px;height:38px;padding:0 12px;border-radius:4px;
  background:var(--ink);color:#fff;
  font-family:var(--mono);font-size:18px;font-weight:700;letter-spacing:.02em;
}
.step h3{margin-top:16px;font-size:18px}
.step p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.step-note{margin-top:12px;font-size:13px;color:var(--brand-d);background:var(--brand-l);border-radius:4px;padding:8px 10px}

/* ============ checklist ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-1);
}
.check-card h3{display:flex;align-items:center;gap:10px;font-size:19px}
.check-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);display:inline-block}
.check-list{margin-top:20px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2);line-height:1.8}
.check-list li b{color:var(--ink);font-weight:700}
.tick{
  flex:0 0 18px;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--brand-l);color:var(--brand-d);
  font-size:12px;line-height:18px;text-align:center;font-weight:700;
}
.cross{
  flex:0 0 18px;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:#FBEAE7;color:var(--err);
  font-size:12px;line-height:18px;text-align:center;font-weight:700;
}

/* ============ table ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:560px}
caption{
  text-align:left;padding:20px 24px 6px;font-size:13.5px;color:var(--ink-2);
}
th,td{padding:16px 24px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{
  font-size:13.5px;letter-spacing:.04em;color:var(--ink-2);font-weight:700;
  background:#FBF9F4;border-bottom:1px solid var(--line);
}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#FCFAF5}
td:first-child{font-weight:700;color:var(--ink);width:34%}

/* ============ cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D2C7}
.card h3{font-size:18px;margin-top:14px}
.card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card-metric{
  font-family:var(--mono);font-size:28px;font-weight:700;letter-spacing:-.02em;color:var(--brand-d);
}
.card-metric small{font-size:13px;font-weight:400;color:var(--ink-2);margin-left:6px;font-family:var(--sans)}

/* ============ media block ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--shadow-1)}
.split h2{max-width:16em}
.split p{margin-top:16px;color:var(--ink-2)}
.mini-list{margin-top:24px;display:grid;gap:12px}
.mini-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2)}
.mini-list b{color:var(--ink)}

/* ============ faq ============ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);background:transparent}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--ink-2);line-height:1;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.faq details[open] summary{color:var(--brand-d)}
.faq details[open] summary::after{content:"−";color:var(--brand)}
.faq summary:hover{color:var(--brand)}
.faq .faq-body{padding:0 60px 24px 0;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:68em}

/* ============ CTA band ============ */
.cta-band{
  background:var(--brand-d);color:#fff;border-radius:var(--r-card);
  padding:52px;display:grid;grid-template-columns:1.3fr auto;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.10) 0 1px,transparent 1px 16px);
  opacity:.5;pointer-events:none;
}
.cta-band h2{color:#fff;max-width:20em}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.82);max-width:46em;font-size:15.5px}
.cta-band .cta-side{position:relative;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-band .cta-meta{font-size:13px;color:rgba(255,255,255,.7)}

/* ============ consult form ============ */
.consult{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.consult-aside h2{max-width:14em}
.consult-aside p{margin-top:16px;color:var(--ink-2)}
.aside-points{margin-top:26px;display:grid;gap:14px}
.aside-points li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.aside-points b{color:var(--ink)}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FDFCF9;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(15,107,79,.18);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field .err-text{display:none;margin-top:7px;font-size:13.5px;color:var(--err)}
.field.has-error .err-text{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:6px 0 22px}
.consent input{margin-top:5px;width:16px;height:16px;flex:0 0 16px}
.form-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-note{font-size:13px;color:var(--ink-2)}
.form-success{
  display:none;margin-bottom:20px;padding:14px 18px;border-radius:var(--r-btn);
  background:var(--brand-l);color:var(--brand-d);font-size:14.5px;font-weight:700;
}
.form-success.is-visible{display:block}

/* ============ footer ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--ink-2);max-width:26em;line-height:1.8}
.footer-col h4{font-size:13.5px;letter-spacing:.06em;color:var(--ink);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:5px 0;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--brand);text-decoration:none}
.footer-contact strong{display:block;font-size:15px;margin-bottom:10px}
.footer-contact p{font-size:13.5px;color:var(--ink-2);margin-bottom:10px;line-height:1.75}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}

/* ============ drawer ============ */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg);
  display:none;flex-direction:column;
  padding:20px 24px 40px;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{background:none;border:1px solid var(--line);border-radius:var(--r-btn);padding:8px 14px;font-size:14px;font-weight:700;color:var(--ink)}
.drawer-nav{display:grid}
.drawer-nav a{
  padding:18px 0;border-bottom:1px solid var(--line);
  font-size:18px;font-weight:700;color:var(--ink);position:relative;
}
.drawer-nav a.is-active{color:var(--brand-d)}
.drawer-nav a.is-active::before{content:"";position:absolute;left:-14px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--brand)}
.drawer-cta{margin-top:28px}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{max-width:1140px}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:26px}
  .main-nav{display:none}
  .menu-toggle{display:inline-block}
  .header-actions .icon-link{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero{padding:24px 0 48px}
  .section{padding:64px 0}
  .timeline{grid-template-columns:1fr;gap:0;border-top:none;padding-top:0}
  .timeline::before{display:none}
  .step{
    padding:0 0 28px 36px;border-left:1px solid var(--line);
  }
  .step::before{top:6px;left:-5px}
  .step:last-child{border-left-color:transparent;padding-bottom:0}
  .check-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .consult{grid-template-columns:1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;padding:38px;gap:26px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-contact{grid-column:1 / -1}
  .anchor-bar{display:none}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8}
  h1{font-size:30px}
  h2{font-size:23px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .header-inner{gap:16px;min-height:64px}
  .logo-text{font-size:13px;white-space:normal;max-width:11em;line-height:1.3}
  .hero-facts{grid-template-columns:1fr;gap:16px}
  .card-grid{grid-template-columns:1fr}
  .hero-media img{aspect-ratio:16/11}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:30px}
  .cta-band{padding:28px 22px}
  .form-card{padding:22px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .check-card{padding:22px}
  .faq .faq-body{padding-right:20px}
  th,td{padding:13px 16px}
}
@media (max-width:480px){
  h1{font-size:27px}
  .btn{width:100%}
  .hero-actions{gap:12px}
  .hero-actions .btn-ghost{width:auto}
  .step-num{min-width:46px;height:34px;font-size:16px}
}

/* roulang page: category2 */
:root{
  --ink:#101418;
  --ink-2:#4A5259;
  --line:#E3E0D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --brand:#0F6B4F;
  --brand-d:#0A4C39;
  --brand-l:#E6F1EC;
  --accent:#12757F;
  --accent-d:#0B5A63;
  --accent-l:#E4EFF0;
  --accent-2:#F5C24B;
  --ok:#1E8A5F;
  --err:#C6402F;
  --shadow-1:0 1px 0 var(--line),0 6px 18px rgba(16,20,24,.06);
  --shadow-2:0 1px 0 var(--line),0 12px 26px rgba(16,20,24,.10);
  --r-card:10px;
  --r-btn:6px;
  --r-pill:999px;
  --max:1200px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s cubic-bezier(.4,0,.2,1)}
a:hover{color:var(--brand-d)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
h1{font-size:44px;font-weight:800}
h2{font-size:30px}
h3{font-size:21px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--brand-l);color:var(--brand-d)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--line)}
::-webkit-scrollbar-thumb{background:#c3bfb4;border-radius:8px}

.container{max-width:var(--max);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,245,239,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1);
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(16,20,24,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:40px;
  min-height:74px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:26px;
  height:26px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-d) 100%);
  clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,28% 100%,0 72%);
  position:relative;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border:1.5px solid rgba(255,255,255,.85);
  clip-path:polygon(0 0,70% 0,100% 30%,100% 100%,30% 100%,0 70%);
}
.logo-text{
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  left:-12px;
  top:50%;
  width:4px;
  height:4px;
  margin-top:-2px;
  border-radius:50%;
  background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--ink-2);
  background:transparent;
  transition:border-color .2s cubic-bezier(.4,0,.2,1),color .2s cubic-bezier(.4,0,.2,1);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.menu-toggle{
  display:none;
  font-size:15px;
  color:var(--ink);
  padding:8px 2px;
  border-bottom:2px solid var(--brand);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color .2s cubic-bezier(.4,0,.2,1),color .2s cubic-bezier(.4,0,.2,1),border-color .2s cubic-bezier(.4,0,.2,1),transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(18,117,127,.22);
}
.btn-primary:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(18,117,127,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(18,117,127,.2)}
.btn-secondary{
  background:var(--surface);
  color:var(--ink);
  border-color:var(--line);
}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{
  padding:0;
  color:var(--brand);
  font-weight:600;
  border-bottom:2px solid transparent;
  border-radius:0;
  transition:border-color .2s cubic-bezier(.4,0,.2,1),color .2s cubic-bezier(.4,0,.2,1);
}
.btn-ghost:hover{color:var(--brand-d);border-bottom-color:var(--brand)}
.btn-sm{padding:10px 18px;font-size:14.5px}
.btn-light{background:#fff;color:var(--ink);border-color:transparent}
.btn-light:hover{background:#fff;color:var(--brand-d);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:13.5px;
  color:var(--ink-2);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line);font-weight:400}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{padding:36px 0 64px}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--accent-d);
  background:var(--accent-l);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:22px;
  letter-spacing:.04em;
}
.page-hero h1{margin-bottom:20px;max-width:15em}
.hero-lead{
  font-size:17px;
  color:var(--ink-2);
  max-width:34em;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px}
.hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  aspect-ratio:16/10;
  background:#eceae3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,20,24,.06) 0%,rgba(16,20,24,.24) 100%);
}
.hero-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.94);
  color:var(--ink);
  font-size:13.5px;
  font-weight:600;
  padding:7px 14px;
  border-radius:var(--r-pill);
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}

/* ---------- Anchor bar ---------- */
.anchor-bar{
  position:sticky;
  top:74px;
  z-index:60;
  background:rgba(247,245,239,.96);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  gap:34px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  position:relative;
  padding:16px 0;
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
}
.anchor-inner a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transition:transform .2s cubic-bezier(.4,0,.2,1);
}
.anchor-inner a:hover{color:var(--ink)}
.anchor-inner a:hover::after{transform:scaleX(1)}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.section-head-row .section-head{margin-bottom:0;max-width:640px}

/* ---------- Capability matrix ---------- */
.matrix{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.cap-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1),border-color .2s cubic-bezier(.4,0,.2,1);
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d8d4c9}
.cap-icon{
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--accent);
  margin-bottom:20px;
}
.cap-card h3{font-size:18px;margin-bottom:10px}
.cap-card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.cap-meta{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13.5px;
  color:var(--ink-2);
  display:flex;
  align-items:center;
  gap:8px;
}
.cap-meta strong{color:var(--accent-d);font-family:var(--font-num);font-weight:600}

/* ---------- Spec table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  box-shadow:var(--shadow-1);
  overflow-x:auto;
}
.spec-table{
  width:100%;
  border-collapse:collapse;
  min-width:760px;
  font-size:15px;
}
.spec-table th,.spec-table td{
  text-align:left;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.spec-table thead th{
  font-size:13.5px;
  letter-spacing:.05em;
  color:var(--ink-2);
  font-weight:600;
  background:#FBFAF6;
  white-space:nowrap;
}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover{background:#FCFBF8}
.spec-table td:first-child{font-weight:600;color:var(--ink);background:var(--surface)}
.spec-table .cell-num{font-family:var(--font-num);letter-spacing:-.02em}
.state-ok{color:var(--ok);font-weight:600}
.state-opt{color:var(--accent-d);font-weight:600}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 28px 28px;
  box-shadow:var(--shadow-1);
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:34px;
  padding:0 8px;
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-btn);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:600;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:15px;color:var(--ink-2);line-height:1.8}
.step::after{
  content:"";
  position:absolute;
  top:46px;
  right:-13px;
  width:13px;
  height:1px;
  background:var(--line);
}
.steps .step:last-child::after{display:none}

/* ---------- Scenario list ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:56px;
  align-items:center;
}
.scene-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  aspect-ratio:4/3;
  background:#eceae3;
}
.scene-figure img{width:100%;height:100%;object-fit:cover}
.scene-list{display:grid;gap:22px}
.scene-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.scene-item:last-child{border-bottom:0;padding-bottom:0}
.scene-badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-l);
  color:var(--brand-d);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.scene-badge.alt{background:var(--accent-l);color:var(--accent-d)}
.scene-badge.dark{background:var(--ink);color:#fff}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:26px 4px;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:22px;
  line-height:1;
  color:var(--ink-2);
  transition:color .2s cubic-bezier(.4,0,.2,1),transform .2s cubic-bezier(.4,0,.2,1);
}
.faq-item[open] summary::after{content:"−";color:var(--brand)}
.faq-item summary:hover{color:var(--brand)}
.faq-body{
  padding:0 4px 28px;
  max-width:800px;
  font-size:15.5px;
  color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-d);
  color:#fff;
  border-radius:var(--r-card);
  padding:52px 56px;
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin:0}
.cta-side{display:grid;gap:14px}
.cta-side .cta-note{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
}
.cta-side .cta-note .tick{color:var(--accent-2);font-family:var(--font-num)}

/* ---------- Contact form ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:56px;
  align-items:start;
}
.contact-points{display:grid;gap:18px;margin-top:26px}
.contact-points li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:12px;
  font-size:15px;
  color:var(--ink-2);
}
.contact-points .mark{
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-l);
  color:var(--brand-d);
  font-size:12px;
  font-family:var(--font-num);
  margin-top:4px;
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px;
  box-shadow:var(--shadow-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  font-size:15px;
  transition:border-color .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(15,107,79,.16);
}
.checkbox-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--ink-2);
  margin:4px 0 24px;
}
.checkbox-row input{width:16px;height:16px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand)}
.form-hint{font-size:13.5px;color:var(--ink-2);margin-top:14px}
.form-success{
  display:none;
  margin-top:18px;
  background:var(--brand-l);
  color:var(--brand-d);
  border-radius:var(--r-btn);
  padding:12px 16px;
  font-size:14px;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  margin-top:88px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-desc{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.85;
  max-width:32em;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  margin-bottom:18px;
  color:var(--ink);
}
.footer-col a{
  display:block;
  font-size:14.5px;
  color:var(--ink-2);
  padding:6px 0;
}
.footer-col a:hover{color:var(--brand)}
.footer-contact strong{display:block;font-size:14.5px;margin-bottom:10px}
.footer-contact p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin-bottom:8px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 32px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--ink-2);
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--bg);
  padding:24px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-close{font-size:15px;color:var(--ink);border-bottom:2px solid var(--brand);padding-bottom:2px}
.drawer-links a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:20px 2px;
  border-bottom:1px solid var(--line);
  font-size:17px;
  color:var(--ink);
}
.drawer-links a::before{
  content:"";
  width:4px;height:4px;border-radius:50%;
  background:transparent;
}
.drawer-links a.is-active{color:var(--brand);font-weight:700}
.drawer-links a.is-active::before{background:var(--brand)}
.drawer-cta{margin-top:32px}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .main-nav{gap:24px}
  .header-inner{gap:28px}
}
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:25px}
  .main-nav{display:none}
  .header-actions .btn-primary{display:none}
  .menu-toggle{display:inline-block}
  .header-inner{gap:16px;justify-content:space-between}
  .logo-text{font-size:13px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:28px 0 48px}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .scene-grid{grid-template-columns:1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .anchor-bar{top:68px}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8}
  h1{font-size:30px}
  h2{font-size:23px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .matrix{grid-template-columns:1fr;gap:18px}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-card{padding:24px 20px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:22px}
  .spec-table th,.spec-table td{padding:14px 16px}
  .spec-table td:first-child,.spec-table th:first-child{
    position:sticky;
    left:0;
    z-index:2;
    box-shadow:1px 0 0 var(--line);
  }
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .site-footer{margin-top:56px;padding-top:52px}
  .hero-actions{gap:16px}
  .btn{width:100%}
  .btn-ghost{width:auto}
  .hero-actions .btn-ghost{width:auto}
}
@media (max-width:480px){
  .footer-top{grid-template-columns:1fr}
  .logo-text{max-width:9em;white-space:normal;line-height:1.3}
  .hero-figure{aspect-ratio:4/3}
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root{
  --ink:#101418;
  --ink-2:#4A5259;
  --line:#E3E0D8;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --brand:#0F6B4F;
  --brand-d:#0A4C39;
  --brand-l:#E6F1EC;
  --accent:#F2622A;
  --accent-d:#D9531F;
  --accent-2:#F5C24B;
  --ok:#1E8A5F;
  --err:#C6402F;
  --radius-card:10px;
  --radius-ctl:6px;
  --radius-pill:999px;
  --shadow-1:0 1px 0 var(--line), 0 6px 18px rgba(16,20,24,.06);
  --shadow-2:0 1px 0 var(--line), 0 12px 24px rgba(16,20,24,.10);
  --ease:cubic-bezier(.4,0,.2,1);
  --tr:.2s var(--ease);
  --font-cn:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-num:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-card)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:21px}
h4{font-size:16px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-l);color:var(--brand-d)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--line)}
::-webkit-scrollbar-thumb{background:#C6C2B8;border-radius:8px}
/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,239,.94);
  backdrop-filter:saturate(1.2) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color var(--tr), box-shadow var(--tr), background var(--tr);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,20,24,.05)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:4px;
  background:
    linear-gradient(180deg,var(--brand) 0 46%,var(--accent) 46% 100%);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}
.logo-text{font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color var(--tr);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";position:absolute;left:-10px;top:50%;width:4px;height:4px;margin-top:-2px;
  border-radius:50%;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.icon-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink-2);
  transition:color var(--tr);
}
.icon-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}
.icon-link:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;padding:0 20px;border-radius:var(--radius-ctl);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background-color var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-primary:hover{background:var(--accent-d);border-color:var(--accent-d);transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,98,42,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-dark{background:#fff;color:var(--ink);border:1px solid #fff}
.btn-dark:hover{background:var(--brand-l);border-color:var(--brand-l)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand);
  border-bottom:2px solid var(--brand);padding-bottom:2px;
  transition:border-width var(--tr),color var(--tr);
}
.btn-text:hover{border-bottom-width:3px;color:var(--brand-d)}
.nav-toggle{
  display:none;margin-left:auto;font-size:15px;font-weight:700;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--radius-ctl);padding:9px 16px;background:var(--surface);
  transition:border-color var(--tr),color var(--tr);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:flex;flex-direction:column;padding:20px 24px 40px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:52px}
.drawer-close{font-size:15px;font-weight:700;color:var(--ink-2);padding:8px 0}
.drawer-close:hover{color:var(--brand)}
.drawer nav{margin-top:18px;display:flex;flex-direction:column}
.drawer nav a{
  position:relative;padding:18px 0;font-size:18px;font-weight:700;
  border-bottom:1px solid var(--line);color:var(--ink-2);
}
.drawer nav a:hover{color:var(--ink)}
.drawer nav a.is-active{color:var(--brand)}
.drawer nav a.is-active::before{
  content:"";position:absolute;left:-14px;top:50%;width:5px;height:5px;margin-top:-2px;
  border-radius:50%;background:var(--accent);
}
.drawer .btn{margin-top:28px;width:100%}
/* ===== 面包屑 ===== */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B9B4A9}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--ink)}
/* ===== Hero（居中窄栏纯文字） ===== */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  text-align:center;
}
.cat-hero .bg-wash{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.07;filter:grayscale(1);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.cat-hero .inner{position:relative;z-index:1;max-width:800px;margin:0 auto;padding:0 24px}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;color:var(--brand);
  background:var(--brand-l);border-radius:var(--radius-pill);padding:6px 14px;
}
.cat-hero h1{margin-top:22px}
.cat-hero .lede{margin-top:20px;font-size:17px;color:var(--ink-2);max-width:640px;margin-left:auto;margin-right:auto}
.hero-actions{margin-top:32px;display:flex;justify-content:center;flex-wrap:wrap;gap:16px;align-items:center}
.hero-note{
  margin-top:26px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:center;flex-wrap:wrap;gap:12px 34px;
  font-size:13.5px;color:var(--ink-2);
}
.hero-note span{display:inline-flex;align-items:center;gap:8px}
.hero-note b{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  color:var(--ink);font-size:14px;letter-spacing:-.02em;
}
.dot{width:5px;height:5px;border-radius:50%;background:var(--brand);display:inline-block}
/* ===== 锚点条 ===== */
.anchor-bar{
  position:sticky;top:72px;z-index:40;background:var(--bg);
  border-bottom:1px solid var(--line);
}
.anchor-bar ul{display:flex;gap:28px;overflow-x:auto;padding:0;scrollbar-width:none}
.anchor-bar ul::-webkit-scrollbar{display:none}
.anchor-bar a{
  display:inline-block;padding:16px 0;font-size:14px;color:var(--ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;transition:color var(--tr),border-color var(--tr);
}
.anchor-bar a:hover{color:var(--ink);border-bottom-color:var(--line)}
.anchor-bar a.is-active{color:var(--brand);font-weight:700;border-bottom-color:var(--brand)}
/* ===== 板块 ===== */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px}
.section-head .kicker{
  font-size:13.5px;font-weight:700;color:var(--brand);letter-spacing:.06em;text-transform:uppercase;
  display:block;margin-bottom:12px;
}
.section-head h2{font-size:30px}
.section-head p{margin-top:14px;color:var(--ink-2);max-width:760px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
/* ===== 须知小组（分组 FAQ 手风琴） ===== */
.faq-group{border-top:1px solid var(--line);margin-top:44px}
.faq-group-title{
  display:flex;align-items:baseline;gap:14px;padding:26px 0 10px;
}
.faq-group-title .gid{
  font-family:var(--font-num);font-size:13.5px;letter-spacing:-.02em;
  color:var(--brand);background:var(--brand-l);border-radius:4px;padding:3px 8px;font-weight:700;
}
.faq-group-title h3{font-size:19px}
.faq-group-title .count{margin-left:auto;font-size:13.5px;color:var(--ink-2)}
details.qa{border-bottom:1px solid var(--line)}
details.qa summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:20px;
  padding:20px 0;font-size:16px;font-weight:700;color:var(--ink);
  transition:color var(--tr);
}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary:hover{color:var(--brand)}
details.qa summary .sign{
  margin-left:auto;flex:0 0 20px;width:20px;height:20px;position:relative;top:4px;
}
details.qa summary .sign::before,
details.qa summary .sign::after{
  content:"";position:absolute;background:var(--ink-2);transition:background-color var(--tr),transform var(--tr);
}
details.qa summary .sign::before{left:0;top:9px;width:20px;height:1.6px}
details.qa summary .sign::after{left:9px;top:0;width:1.6px;height:20px}
details.qa[open] summary{color:var(--brand)}
details.qa[open] summary .sign::before,
details.qa[open] summary .sign::after{background:var(--brand)}
details.qa[open] summary .sign::after{transform:scaleY(0)}
.qa-body{padding:0 0 24px 0;max-width:760px;color:var(--ink-2);font-size:15.5px}
.qa-body p+p{margin-top:12px}
.qa-body strong{color:var(--ink)}
.qa-body .mini-list{margin-top:14px;display:grid;gap:10px}
.qa-body .mini-list li{position:relative;padding-left:20px;color:var(--ink-2)}
.qa-body .mini-list li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:1px;
  background:var(--brand-l);border:1px solid var(--brand);
}
/* ===== 双列要点清单 ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:44px}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:30px 28px;
  transition:box-shadow var(--tr),transform var(--tr);
}
.panel:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.panel h3{display:flex;align-items:center;gap:10px;font-size:19px}
.panel h3 .tag{
  font-size:12.5px;font-weight:700;border-radius:var(--radius-pill);
  padding:3px 10px;letter-spacing:.02em;
}
.tag-do{background:var(--brand-l);color:var(--brand)}
.tag-warn{background:#FDEEE7;color:#B8431A}
.panel .panel-sub{margin-top:12px;color:var(--ink-2);font-size:14.5px}
.check-list{margin-top:20px;display:grid;gap:14px}
.check-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;font-size:15.5px;color:var(--ink-2)}
.check-list li b{display:block;color:var(--ink);font-weight:700}
.mark{
  width:22px;height:22px;border-radius:4px;display:grid;place-items:center;
  background:var(--brand-l);color:var(--brand);font-size:13px;font-weight:700;line-height:1;margin-top:4px;
}
.mark-warn{background:#FDEEE7;color:#B8431A}
/* ===== 信息表 ===== */
.table-wrap{
  margin-top:40px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.spec{border-collapse:collapse;width:100%;min-width:640px;font-size:15px}
table.spec caption{
  text-align:left;padding:22px 24px 0;font-size:13.5px;color:var(--ink-2);
}
table.spec th,table.spec td{
  text-align:left;padding:16px 24px;border-bottom:1px solid var(--line);vertical-align:top;
}
table.spec thead th{
  font-size:13.5px;font-weight:700;color:var(--ink-2);background:#FBFAF6;letter-spacing:.02em;
}
table.spec tbody th{font-weight:700;color:var(--ink);white-space:nowrap}
table.spec tbody tr:last-child th,table.spec tbody tr:last-child td{border-bottom:0}
table.spec tbody tr:hover{background:#FCFBF8}
table.spec .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--ink)}
.state{display:inline-flex;align-items:center;gap:7px;font-size:14px}
.state::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.state.is-warn::before{background:var(--accent)}
/* ===== 时效节点（进度条式） ===== */
.timeline{margin-top:44px;display:grid;gap:0}
.tl-item{
  display:grid;grid-template-columns:96px 1fr;gap:24px;position:relative;padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:47px;top:26px;bottom:0;width:1px;background:var(--line);
}
.tl-item:last-child::before{display:none}
.tl-step{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;
  height:28px;border-radius:4px;display:grid;place-items:center;
  clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px);
}
.tl-body h4{font-size:17px;margin-bottom:6px}
.tl-body p{color:var(--ink-2);font-size:15px}
.tl-body .meta{margin-top:8px;font-size:13.5px;color:var(--ink-2)}
.tl-body .meta b{font-family:var(--font-num);color:var(--brand);letter-spacing:-.02em}
/* ===== CTA 条 ===== */
.cta-band{
  background:var(--brand-d);color:#fff;border-radius:var(--radius-card);
  padding:44px 40px;display:flex;align-items:center;gap:36px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px);
  pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:1;flex:1 1 380px}
.cta-band h2{font-size:26px;color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.82);font-size:15.5px;max-width:620px}
.cta-band .cta-acts{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
/* ===== 咨询表单 ===== */
.consult{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:56px;align-items:start}
.consult-aside h2{font-size:28px}
.consult-aside>p{margin-top:16px;color:var(--ink-2);max-width:460px}
.aside-points{margin-top:28px;display:grid;gap:18px}
.aside-points li{display:grid;grid-template-columns:24px 1fr;gap:12px}
.aside-points .mark{width:24px;height:24px}
.aside-points b{display:block;color:var(--ink)}
.aside-points span{font-size:14.5px;color:var(--ink-2)}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:32px;
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field .hint{font-weight:400;color:var(--ink-2);font-size:13.5px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--radius-ctl);background:#FDFCFA;
  transition:border-color var(--tr),box-shadow var(--tr),background-color var(--tr);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CFCBC0}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(15,107,79,.16);background:#fff;
}
.field.has-error input,.field.has-error select{border-color:var(--err)}
.field .err-msg{display:none;margin-top:7px;font-size:13.5px;color:var(--err)}
.field.has-error .err-msg{display:block}
.consent{display:grid;grid-template-columns:20px 1fr;gap:10px;align-items:start;margin:22px 0 20px;font-size:14px;color:var(--ink-2)}
.consent input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand)}
.form-card .btn-primary{width:100%;min-height:48px}
.form-card .btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.form-ok{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--radius-ctl);
  background:var(--brand-l);color:var(--brand-d);font-size:14.5px;border:1px solid rgba(15,107,79,.24);
}
.form-ok.is-visible{display:block}
/* ===== 页脚 ===== */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:14.5px;color:var(--ink-2);max-width:320px}
.footer-col h4{font-size:14px;letter-spacing:.02em;margin-bottom:16px}
.footer-col a{
  display:block;font-size:14.5px;color:var(--ink-2);padding:5px 0;
  transition:color var(--tr);
}
.footer-col a:hover{color:var(--brand)}
.footer-contact strong{display:block;font-size:15px;margin-bottom:10px}
.footer-contact p{font-size:14px;color:var(--ink-2);margin-bottom:8px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13.5px;color:var(--ink-2);
}
/* ===== 响应式 ===== */
@media (max-width:1279px){
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
  .footer-contact{grid-column:span 4}
}
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:25px}
  .main-nav,.header-actions .icon-link,.header-actions .btn{display:none}
  .nav-toggle{display:inline-block}
  .header-inner{gap:16px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .consult{grid-template-columns:1fr;gap:36px}
  .two-col{grid-template-columns:1fr}
  .anchor-bar{top:72px}
  .cta-band{padding:34px 26px;gap:24px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-contact{grid-column:span 2}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8}
  h1{font-size:30px}
  h2{font-size:23px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .logo-text{font-size:14px}
  .cat-hero{padding:36px 0 48px}
  .cat-hero .lede{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn,.hero-actions .btn-text{justify-content:center}
  .hero-note{gap:10px 20px;font-size:13px}
  .section{padding:52px 0}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:16px}
  .two-col{gap:20px}
  .panel{padding:24px 20px}
  .table-wrap{margin-top:28px}
  table.spec{min-width:560px}
  table.spec th,table.spec td{padding:14px 16px}
  table.spec tbody th{position:sticky;left:0;background:var(--surface);z-index:1}
  .tl-item{grid-template-columns:1fr;gap:12px;padding-left:0}
  .tl-item::before{display:none}
  .tl-step{width:96px}
  .cta-band{padding:28px 20px}
  .cta-band .cta-acts{width:100%}
  .cta-band .btn{width:100%}
  .form-card{padding:24px 18px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-contact{grid-column:span 1}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  h1{font-size:26px}
  .logo-text{font-size:13px}
  .cat-hero h1{margin-top:16px}
  .btn{min-height:44px;font-size:14.5px}
  .drawer nav a{font-size:16.5px}
}