/* roulang page: index */
:root{
  --brand-600:#0FA873;
  --brand-500:#17C88A;
  --brand-700:#0B8459;
  --brand-100:#E6FBF2;
  --amber-500:#FFB020;
  --amber-600:#E89000;
  --amber-50:#FFF6E3;
  --coral-500:#FF6A3D;
  --ink-950:#08120F;
  --ink-900:#0C1A15;
  --ink-800:#122721;
  --paper:#F5F7F4;
  --card:#FFFFFF;
  --line:#E3EAE5;
  --t-900:#0E1A16;
  --t-600:#4B5B54;
  --t-400:#86968E;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-soft:0 1px 2px rgba(12,26,21,.06);
  --shadow-lift:0 12px 28px -12px rgba(12,26,21,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--t-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
.tabnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container-x{max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container-x{padding-left:24px;padding-right:24px}}
.narrow{max-width:860px;margin-left:auto;margin-right:auto}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-line{position:relative}
.section-line::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--brand-600),rgba(15,168,115,0))}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brand-700);font-weight:600}
h2.h2{font-size:24px;line-height:1.35;font-weight:600;margin-top:8px}
@media (min-width:768px){h2.h2{font-size:30px}}
.lede{color:var(--t-600);font-size:16px;line-height:1.85}
@media (min-width:768px){.lede{font-size:17px}}

/* ---------- 顶部倒计时条 ---------- */
.topbar{background:rgba(8,18,15,.96);border-bottom:1px solid rgba(255,255,255,.06)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar-hint{color:#A9BDB4;font-size:13px;white-space:nowrap}
.countdown{display:flex;align-items:center;gap:6px}
.cd-cell{display:flex;flex-direction:column;align-items:center;min-width:38px}
.cd-num{font-size:15px;font-weight:700;color:var(--amber-500);line-height:1.1}
.cd-label{font-size:11px;color:#7E918A;line-height:1.4}
.cd-sep{color:rgba(255,176,32,.45);font-weight:700;transform:translateY(-5px)}
.topbar-btn{background:var(--brand-600);color:#fff;font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;transition:background .2s ease,transform .2s ease}
.topbar-btn:hover{background:var(--brand-500);transform:translateY(-1px)}
@media (max-width:767px){.topbar{display:none}}

/* ---------- 导航 ---------- */
.site-header{background:rgba(12,26,21,.94);transition:box-shadow .25s ease,background .25s ease}
.site-header.is-scrolled{background:#0C1A15;box-shadow:0 10px 30px -18px rgba(0,0,0,.75);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:60px;gap:12px}
@media (min-width:1024px){.nav-wrap{height:72px}}
.brand{display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.01em;white-space:nowrap}
@media (min-width:1024px){.brand{font-size:20px}}
.brand-mark{width:26px;height:26px;flex:none}
.nav-side{display:none;align-items:center;gap:4px}
@media (min-width:1024px){.nav-side{display:flex}}
.nav-side.right{justify-content:flex-end}
.nav-link{position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:#C8D8D1;border-radius:8px;transition:color .2s ease,background .2s ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--brand-500)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;margin-left:10px;background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;padding:9px 18px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.10);transition:background .2s ease,transform .2s ease,box-shadow .2s ease}
.nav-cta:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(23,200,138,.9)}
.nav-cta:active{background:var(--brand-700);transform:none}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:#fff;cursor:pointer}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.mobile-panel{max-height:0;overflow:hidden;transition:max-height .32s ease;background:#0B1913;border-top:1px solid rgba(255,255,255,.06)}
.mobile-panel.open{max-height:560px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-panel-inner{padding:14px 16px 20px}
.mobile-link{display:block;padding:12px 4px;color:#CFDDD7;font-size:15px;border-bottom:1px solid rgba(255,255,255,.07)}
.mobile-link.is-active{color:var(--brand-500);font-weight:600}
.mobile-cta{display:block;text-align:center;margin-top:16px;background:var(--brand-600);color:#fff;font-weight:600;padding:13px;border-radius:var(--r-btn)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden}
.hero-glow{position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(560px 340px at 80% 16%, rgba(23,200,138,.22), transparent 70%),
  radial-gradient(420px 300px at 10% 90%, rgba(255,176,32,.10), transparent 72%);}
.hero-grid{position:absolute;inset:0;pointer-events:none;opacity:.4;background-image:
  linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:48px 48px;}
.hero h1{font-size:29px;line-height:1.28;font-weight:700;letter-spacing:0}
@media (min-width:768px){.hero h1{font-size:44px}}
@media (min-width:1280px){.hero h1{font-size:50px}}
.hero-sub{color:rgba(255,255,255,.72);font-size:16px;line-height:1.85;max-width:560px}
@media (min-width:768px){.hero-sub{font-size:17px}}
.stat-bar{display:flex;flex-wrap:wrap;gap:0}
.stat-item{padding:0 22px;border-left:1px solid rgba(255,255,255,.14)}
.stat-item:first-child{padding-left:0;border-left:0}
.stat-value{font-size:24px;font-weight:700;color:#fff;line-height:1.3}
.stat-value em{font-style:normal;font-size:14px;color:var(--brand-300);margin-left:3px;font-weight:600}
.stat-label{font-size:13px;color:rgba(255,255,255,.52);margin-top:2px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease}
.btn:focus-visible{outline:2px solid rgba(23,200,138,.65);outline-offset:2px}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(23,200,138,.9)}
.btn-primary:active{background:var(--brand-700);transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(23,200,138,.7)}
.btn-ghost:hover{background:rgba(23,200,138,.12);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(23,200,138,.2);transform:none}
.btn-block{width:100%}
.btn-light{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-light:hover{background:var(--brand-100);transform:translateY(-1px)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.badge-amber{background:rgba(255,176,32,.14);color:var(--amber-500);border:1px solid rgba(255,176,32,.3)}
.badge-light{background:var(--brand-100);color:var(--brand-700)}
.badge-dark{background:rgba(23,200,138,.15);color:var(--brand-300)}
.badge-solid-amber{background:var(--amber-50);color:var(--amber-600);box-shadow:0 8px 20px -12px rgba(232,144,0,.7)}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--t-600);transition:all .2s ease;cursor:pointer}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.is-active{border-color:var(--coral-500);color:var(--coral-500);background:#FFF3EE;font-weight:600}

/* ---------- 卡片 ---------- */
.card-lg{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-soft);transition:box-shadow .25s ease,transform .25s ease}
.card-lg:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}
.card-index{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--brand-100);color:var(--brand-700);font-weight:700;font-size:15px}
.line-item{display:flex;gap:16px;padding:22px 0}
.line-item::before{content:"";flex:none;width:3px;border-radius:3px;background:var(--brand-600);align-self:stretch;opacity:.85}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;grid-auto-rows:120px}
@media (min-width:768px){.wall{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;grid-auto-rows:150px}}
@media (min-width:1024px){.wall{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:168px}}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--ink-800)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .5s ease}
.wall-item:hover img{transform:scale(1.04);filter:brightness(1.08)}
.wall-item.big{grid-column:span 2;grid-row:span 2}
.wall-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:13px;color:#fff;background:linear-gradient(to top,rgba(8,18,15,.86),rgba(8,18,15,0));opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease}
.wall-item:hover .wall-cap{opacity:1;transform:none}

/* ---------- 流程时间轴 ---------- */
.timeline{display:grid;gap:20px;position:relative}
@media (min-width:768px){.timeline{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.tl-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--shadow-soft)}
.tl-step::after{content:"";position:absolute;top:38px;right:-24px;width:24px;height:1px;background:var(--line);display:none}
@media (min-width:768px){.tl-step::after{display:block}.tl-step:last-child::after{display:none}}
.tl-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;background:var(--ink-900);color:#fff;font-size:13px;font-weight:700}

/* ---------- 引用反馈 ---------- */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-soft);position:relative}
.quote-card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--brand-600)}
.quote-card p{color:var(--t-600);font-size:16px;line-height:1.85}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--t-400)}
.avatar{width:34px;height:34px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:none}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:0 24px 48px -28px rgba(0,0,0,.6)}
@media (min-width:768px){.form-card{padding:30px}}
.f-label{display:block;font-size:14px;font-weight:600;color:var(--t-900);margin-bottom:7px}
.req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber-500);margin-left:6px;vertical-align:middle}
.f-input,.f-select,.f-area{width:100%;border:1px solid var(--line);background:#FBFCFB;border-radius:var(--r-btn);padding:11px 13px;font-size:15px;color:var(--t-900);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.f-input::placeholder,.f-area::placeholder{color:#A9B6B0}
.f-input:focus,.f-select:focus,.f-area:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(23,200,138,.16)}
.f-area{min-height:92px;resize:vertical}
.f-check{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--t-600);line-height:1.7}
.f-check input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand-600);flex:none}
.f-note{font-size:13px;color:var(--t-400);line-height:1.7;text-align:center}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(15,168,115,.4);box-shadow:var(--shadow-lift)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px}
.faq-plus{flex:none;width:22px;height:22px;position:relative;transition:transform .3s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px}
.faq-plus::before{left:0;top:10px;width:22px;height:2px}
.faq-plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--t-600);font-size:16px;line-height:1.85;border-left:3px solid var(--brand-600);margin:0 0 0 0;padding-left:19px}

/* ---------- 资讯卡 ---------- */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-soft);transition:box-shadow .25s ease,transform .25s ease;height:100%;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-4px)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-title{font-size:17px;font-weight:600;line-height:1.55;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{color:var(--t-600);font-size:14px;line-height:1.8;margin-top:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.read-more{font-size:13px;font-weight:600;color:var(--brand-700);transition:color .2s ease}
.news-card:hover .read-more{color:var(--brand-500)}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:48px 24px;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:#B6C6BF}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-link{display:inline-block;padding:5px 0;font-size:14px;color:#9FB2AA;transition:color .2s ease,text-decoration-color .2s ease;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}
.footer-link:hover{color:var(--brand-500);text-decoration-color:var(--brand-500)}
.qr-box{width:112px;height:112px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7A8C84}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:18px;bottom:22px;width:46px;height:46px;border-radius:999px;background:var(--brand-600);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px -14px rgba(15,168,115,.9);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,background .2s ease;z-index:40;border:1px solid rgba(255,255,255,.16)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--brand-500)}
.anchor-offset{scroll-margin-top:120px}
@media (max-width:767px){.anchor-offset{scroll-margin-top:80px}}

/* roulang page: article */
:root{
  --brand-600:#0FA873;--brand-500:#17C88A;--brand-700:#0B8459;--brand-100:#E6FBF2;
  --amber-500:#FFB020;--amber-600:#E89000;--amber-50:#FFF6E3;
  --coral-500:#FF6A3D;
  --ink-950:#08120F;--ink-900:#0C1A15;--ink-800:#122721;
  --paper:#F5F7F4;--card:#FFFFFF;--line:#E3EAE5;
  --t-900:#0E1A16;--t-600:#4B5B54;--t-400:#86968E;
  --r-card:14px;--r-img:12px;--r-btn:10px;
  --sd-sm:0 1px 2px rgba(12,26,21,.06);
  --sd-hv:0 12px 28px -12px rgba(12,26,21,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--t-600);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t-900);font-weight:600;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0}
.tnum{font-variant-numeric:tabular-nums}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(12,26,21,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:saturate(120%) blur(6px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#0C1A15;box-shadow:0 8px 24px -16px rgba(0,0,0,.7)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:16px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  font-size:15px;color:#C8DAD3;border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-500);border-radius:2px;
}
.brand-center{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:20px;letter-spacing:.02em}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 20px;height:44px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 18px -10px rgba(15,168,115,.9)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:var(--sd-hv)}
.btn-primary:active{background:var(--brand-700);transform:none}
.btn-ghost{background:transparent;color:#E8F3EE;border-color:rgba(23,200,138,.6)}
.btn-ghost:hover{background:rgba(23,200,138,.14);color:#fff;transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(23,200,138,.6)}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E8F3EE;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#E8F3EE;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;background:#0C1A15;border-bottom:1px solid rgba(255,255,255,.08);
  padding:10px 24px 20px;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;color:#C8DAD3;font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:hover{color:#fff}
.mobile-panel .m-cta{
  margin-top:16px;display:flex;width:100%;border-bottom:none;
}

/* ---------- breadcrumb ---------- */
.breadcrumb{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb .container-x{display:flex;align-items:center;gap:8px;height:52px;font-size:14px;color:var(--t-400);overflow:hidden}
.breadcrumb a{color:var(--t-600)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#B7C4BE}
.breadcrumb .current{
  color:var(--t-400);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- article ---------- */
.article-zone{padding:40px 0 72px}
.article-shell{
  max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sd-sm);padding:40px 44px 48px;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-head h1{
  margin-top:16px;font-size:36px;line-height:1.32;font-weight:700;color:var(--t-900);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;font-size:14px;color:var(--t-400);
}
.article-meta .divider{width:1px;height:12px;background:#D8E2DC}
.article-meta a{color:var(--brand-600);font-weight:600}
.article-meta a:hover{text-decoration:underline;text-underline-offset:3px}

.article-body{margin-top:32px;font-size:17px;line-height:1.9;color:var(--t-600)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;margin:40px 0 20px;padding-left:16px;color:var(--t-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;background:var(--brand-600);
}
.article-body h3{font-size:18px;line-height:1.5;margin:28px 0 12px;color:var(--t-900)}
.article-body h4{font-size:16px;margin:22px 0 10px;color:var(--t-900)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:none;padding-left:1.4em}
.article-body ul>li{position:relative;margin-bottom:8px}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.1em;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand-600);
}
.article-body ol{list-style:decimal}
.article-body ol>li{margin-bottom:8px}
.article-body ol>li::marker{color:var(--brand-600);font-weight:600}
.article-body strong{color:var(--t-900);font-weight:600}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700)}
.article-body blockquote{
  margin:24px 0;padding:20px;border-left:3px solid var(--brand-600);background:var(--paper);
  border-radius:var(--r-img);color:var(--t-600);
}
.article-body figure{margin:24px 0}
.article-body img{border-radius:var(--r-img);box-shadow:var(--sd-sm)}
.article-body figcaption{margin-top:12px;text-align:center;font-size:13px;color:var(--t-400)}
.article-body table{
  display:block;width:100%;overflow-x:auto;margin:24px 0;border-collapse:collapse;
  border:1px solid var(--line);border-radius:var(--r-img);font-size:15px;
}
.article-body thead{background:var(--paper)}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body tbody tr:nth-child(even){background:#FAFCFA}
.article-body pre{
  margin:24px 0;padding:20px;background:var(--ink-900);color:#D6E6DF;border-radius:var(--r-img);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;overflow-x:auto;
}
.article-body code{
  background:var(--brand-100);color:var(--brand-700);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  padding:56px 24px;text-align:center;background:var(--paper);border-radius:var(--r-card);border:1px dashed #CFDCD5;
}
.empty-state svg{margin:0 auto 16px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--t-400);margin-bottom:20px}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--t-400)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--t-600);font-size:13px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink-900);color:#D6E6DF;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 260px at 12% 20%,rgba(23,200,138,.18),transparent 70%),
             radial-gradient(420px 220px at 88% 90%,rgba(255,176,32,.12),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;display:grid;gap:32px;grid-template-columns:1.2fr .8fr;align-items:center;
  padding:56px 0;
}
.cta-inner h2{color:#fff;font-size:28px;line-height:1.4}
.cta-inner p{margin-top:12px;font-size:16px;color:#93A69E;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- next / prev ---------- */
.navpair{padding:64px 0 8px}
.navpair-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.nav-card{
  display:flex;align-items:center;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sd-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.nav-card:hover{transform:translateY(-3px);box-shadow:var(--sd-hv);border-color:#CFE3D9}
.nav-card .ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);
}
.nav-card .txt strong{display:block;color:var(--t-900);font-size:16px;font-weight:600}
.nav-card .txt span{display:block;margin-top:4px;font-size:13px;color:var(--t-400)}

/* ---------- related ---------- */
.related{padding:64px 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;line-height:1.35}
.section-head p{margin-top:8px;font-size:15px;color:var(--t-400);max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:15px;font-weight:600}
.link-more:hover{color:var(--brand-700);gap:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sd-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sd-hv);border-color:#CFE3D9}
.card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8EFEA}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease,filter .4s ease}
.card:hover .thumb img{transform:scale(1.04);filter:brightness(1.05)}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:17px;line-height:1.5;color:var(--t-900)}
.card p{font-size:14px;line-height:1.75;color:var(--t-600)}
.card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-400)}

/* ---------- back to top ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;border:1px solid var(--line);
  background:#fff;color:var(--brand-600);box-shadow:var(--sd-hv);cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.back-top.is-visible{display:flex}
.back-top:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-950);color:#93A69E}
.site-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:14px;color:#93A69E;transition:color .2s ease}
.footer-link:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}
.qr-box{
  width:88px;height:88px;border-radius:12px;background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.08);
}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#6E8078;
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-side{display:none}
  .nav-toggle{display:inline-flex;grid-column:3;justify-self:end}
  .header-inner{grid-template-columns:auto 1fr auto;height:64px}
  .brand-center{justify-self:start;font-size:18px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
  .article-shell{padding:32px 28px 40px}
  .article-head h1{font-size:30px}
  .article-body h2{font-size:23px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .breadcrumb .container-x{height:46px;font-size:13px}
  .breadcrumb .current{max-width:180px}
  .article-zone{padding:24px 0 48px}
  .article-shell{padding:24px 18px 32px;border-radius:12px}
  .article-head h1{font-size:24px;line-height:1.35}
  .article-meta{gap:10px;font-size:13px}
  .article-body{margin-top:24px;font-size:16px;line-height:1.85}
  .article-body h2{font-size:20px;margin:32px 0 16px}
  .article-body h3{font-size:17px}
  .navpair{padding:48px 0 0}
  .navpair-grid{grid-template-columns:1fr}
  .related{padding:48px 0 64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .cta-inner{padding:44px 0}
  .cta-inner h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .back-top{right:14px;bottom:18px}
}
@media (max-width:520px){
  .article-head h1{font-size:22px}
  .nav-toggle{width:38px;height:38px}
}

/* roulang page: category1 */
:root{
  --brand-600:#0FA873;
  --brand-500:#17C88A;
  --brand-700:#0B8459;
  --brand-100:#E6FBF2;
  --amber-500:#FFB020;
  --amber-600:#E89000;
  --amber-50:#FFF6E3;
  --coral-500:#FF6A3D;
  --ink-950:#08120F;
  --ink-900:#0C1A15;
  --ink-800:#122721;
  --paper:#F5F7F4;
  --card:#FFFFFF;
  --line:#E3EAE5;
  --t-900:#0E1A16;
  --t-600:#4B5B54;
  --t-400:#86968E;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(12,26,21,.06);
  --sh-2:0 12px 28px -12px rgba(12,26,21,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--t-900);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600;color:var(--t-900)}
p{margin:0}
ul{margin:0;padding:0}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.nums{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink-900);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{background:rgba(12,26,21,.98);box-shadow:0 14px 34px -22px rgba(0,0,0,.9)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:16px;
}
.header-col{display:flex;align-items:center;min-width:0}
.header-col.right{justify-content:flex-end;gap:14px}
.nav-side{display:flex;align-items:center;gap:24px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;color:#C3D5CD;padding:6px 0;white-space:nowrap;
  transition:color .2s ease;background:none;border:0;cursor:pointer;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;border-radius:2px;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:var(--r-btn);white-space:nowrap;
  border:1px solid rgba(255,255,255,.1);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.nav-cta:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(23,200,138,.9)}
.nav-cta:active{background:var(--brand-700);transform:none}
.nav-cta:focus-visible{outline:none;box-shadow:0 0 0 2px #0C1A15,0 0 0 4px rgba(23,200,138,.6)}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:700;letter-spacing:.01em}
.brand svg{flex:none}
.brand-text{white-space:nowrap}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background .2s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#DCEAE4;border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.menu-toggle:hover{background:rgba(255,255,255,.12)}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;background:var(--ink-900);border-top:1px solid rgba(255,255,255,.08);
  padding:10px 24px 22px;
}
.mobile-panel.is-open{display:block}
.m-link{display:block;padding:14px 2px;font-size:16px;color:#CFDDD7;border-bottom:1px solid rgba(255,255,255,.06)}
.m-link.is-active{color:var(--brand-500);font-weight:600}
.m-cta{margin-top:18px;width:100%}

/* ============ hero ============ */
.hero-stage{
  position:relative;overflow:hidden;color:#fff;
  background:var(--ink-900);
  padding:60px 0 76px;
}
.hero-stage::before{
  content:"";position:absolute;inset:0;opacity:.2;
  background-image:
    url('/assets/images/backpic/back-2.png'),
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:cover,52px 52px,52px 52px;
  background-position:center,0 0,0 0;
  background-repeat:no-repeat,repeat,repeat;
}
.hero-stage::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 10% 6%,rgba(23,200,138,.26),transparent 72%),
    radial-gradient(520px 300px at 90% 92%,rgba(255,176,32,.13),transparent 72%);
}
.hero-stage .container-x{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8FA9A0;margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:#A9BFB6;transition:color .2s ease}
.crumb a:hover{color:var(--brand-500)}
.crumb .now{color:#DCEAE4}
.hero-grid{display:grid;grid-template-columns:1.22fr .78fr;gap:52px;align-items:center}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
}
.badge-dark{background:rgba(23,200,138,.16);color:#66E6B6;border:1px solid rgba(23,200,138,.28)}
.badge-amber{background:var(--amber-50);color:var(--amber-600)}
.badge-brand{background:var(--brand-100);color:var(--brand-700)}
.hero-stage h1{
  color:#fff;font-size:clamp(28px,4.4vw,46px);font-weight:700;line-height:1.25;
  margin:18px 0 0;max-width:16em;
}
.hero-sub{color:#A9BFB6;font-size:17px;line-height:1.8;margin-top:18px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:13px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px -14px rgba(15,168,115,.85);border-color:rgba(255,255,255,.1)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(23,200,138,.9)}
.btn-primary:active{background:var(--brand-700);transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:#E8F3EE;border-color:rgba(23,200,138,.55)}
.btn-ghost:hover{background:rgba(23,200,138,.12);border-color:var(--brand-500);transform:translateY(-1px)}
.btn-ghost:active{transform:none;background:rgba(23,200,138,.18)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{background:#EAF7F1;transform:translateY(-1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(12,26,21,.9),0 0 0 4px rgba(23,200,138,.65)}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.stat{padding:0 26px;border-left:1px solid rgba(255,255,255,.12)}
.stat:first-child{padding-left:0;border-left:0}
.stat b{display:block;font-size:23px;font-weight:700;color:#fff;line-height:1.3;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:13px;color:#8FA9A0;margin-top:2px}
.hero-img{position:relative}
.hero-img img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;border:1px solid rgba(255,255,255,.12);
}
.float-badge{
  position:absolute;right:-6px;bottom:-16px;
  background:var(--amber-500);color:#3B2A00;font-size:13px;font-weight:700;
  padding:8px 15px;border-radius:999px;font-variant-numeric:tabular-nums;
  box-shadow:0 14px 28px -12px rgba(255,176,32,.85);
}

/* ============ sections ============ */
.section{padding:88px 0}
.paper-bg{background:var(--paper);box-shadow:inset 0 1px 0 var(--line)}
.section-dark{background:var(--ink-900);color:#E8F3EE;padding:88px 0;position:relative}
.section-dark h2{color:#fff}
.sec-head{margin-bottom:44px}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;flex-wrap:wrap}
.sec-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-700);letter-spacing:.1em;margin-bottom:12px}
.eyebrow-dark{color:var(--brand-500)}
.sec-head h2,.section-dark h2{font-size:clamp(23px,3vw,30px)}
.sec-desc{font-size:16px;line-height:1.85;color:var(--t-600);margin-top:14px;max-width:760px}
.section-dark .sec-desc{color:#9DB3AA}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:42px}
.step::before{
  content:"";position:absolute;top:10px;left:0;right:-24px;height:1px;
  background:linear-gradient(90deg,rgba(15,168,115,.75),rgba(15,168,115,.06));
}
.step:last-child::before{background:linear-gradient(90deg,rgba(15,168,115,.5),transparent 80%)}
.step-dot{
  position:absolute;top:3px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--brand-600);box-shadow:0 0 0 5px rgba(15,168,115,.13);
}
.step-idx{font-size:12px;font-weight:700;color:var(--brand-700);letter-spacing:.12em;font-variant-numeric:tabular-nums}
.step h3{font-size:19px;font-weight:600;margin-top:8px}
.step p{font-size:15px;line-height:1.85;color:var(--t-600);margin-top:10px}

/* chips */
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-size:14px;padding:8px 17px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:#fff;color:var(--t-600);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.is-active{border-color:var(--coral-500);color:#D8431A;background:#FFF3EE;font-weight:600}
.chip:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(255,106,61,.45)}

/* cards */
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card-lg{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card-lg:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE6DA}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#E9EFEB}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease,filter .4s ease}
.card-lg:hover .card-media img{transform:scale(1.04);filter:brightness(1.04)}
.card-body{padding:22px 22px 24px}
.card-title{font-size:20px;font-weight:600}
.card-desc{font-size:15px;line-height:1.85;color:var(--t-600);margin-top:10px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:15px;border-top:1px dashed var(--line)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--brand-100);color:var(--brand-700);
}
.tag-amber{background:var(--amber-50);color:var(--amber-600)}
.empty-note{margin-top:26px;font-size:14px;color:var(--t-400)}

/* dark band */
.band-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.band-list{display:grid;gap:20px;margin-top:30px;list-style:none}
.band-list li{border-left:2px solid var(--brand-600);padding-left:18px}
.band-list strong{display:block;color:#fff;font-size:17px;font-weight:600;margin-bottom:6px}
.band-list span{display:block;font-size:15px;line-height:1.8;color:#9DB3AA}
.band-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);border:1px solid rgba(255,255,255,.09)}

/* faq */
.faq{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 26px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item.is-open{background:linear-gradient(90deg,rgba(15,168,115,.05),transparent 70%)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--t-900);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(23,200,138,.5);border-radius:6px}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
  transition:transform .32s ease,background .2s ease,border-color .2s ease;margin-top:2px;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-100);border-color:var(--brand-100)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--t-600);max-width:44em}

/* cta band */
.cta-band{
  background:linear-gradient(120deg,#0A1712 0%,#122721 52%,#0A1712 100%);
  padding:72px 0;overflow:hidden;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,28px)}
.cta-inner p{margin-top:12px;font-size:16px;color:#9DB3AA;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* footer */
.site-footer{background:var(--ink-950);color:#93A69E}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-link{font-size:14px;color:#93A69E;transition:color .2s ease}
.footer-link:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}
.qr-box{
  width:88px;height:88px;border-radius:12px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:13px;color:#6F837B;
}

/* ============ responsive ============ */
@media (max-width:1023px){
  .nav-side{display:none}
  .menu-toggle{display:flex}
  .header-inner{grid-template-columns:1fr auto 1fr;height:64px}
  .header-col.left{justify-content:flex-start}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-img{max-width:560px}
  .band-grid{grid-template-columns:1fr;gap:36px}
  .cards-2{gap:22px}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .step:nth-child(2)::before{background:linear-gradient(90deg,rgba(15,168,115,.5),transparent 80%)}
}
@media (min-width:1024px){
  .mobile-panel{display:none !important}
}
@media (max-width:768px){
  body{font-size:16px}
  .section,.section-dark{padding:56px 0}
  .hero-stage{padding:40px 0 58px}
  .container-x{padding:0 18px}
  .steps{grid-template-columns:1fr;gap:22px}
  .step{padding-top:34px}
  .step::before{display:none}
  .step-dot{display:none}
  .cards-2{grid-template-columns:1fr;gap:20px}
  .stat{padding:0 18px}
  .stat b{font-size:20px}
  .btn{width:100%}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq{padding:6px 18px}
  .faq-q{font-size:16px}
}
@media (max-width:520px){
  .hero-stats{gap:14px 0}
  .stat{width:50%;padding:0 0 0 14px;border-left:1px solid rgba(255,255,255,.12)}
  .stat:nth-child(odd){padding-left:0;border-left:0}
  .step h3{font-size:18px}
}

/* roulang page: category2 */
:root{
    --brand-600:#0FA873; --brand-500:#17C88A; --brand-700:#0B8459; --brand-100:#E6FBF2;
    --amber-500:#FFB020; --amber-600:#E89000; --amber-50:#FFF6E3;
    --coral-500:#FF6A3D;
    --ink-950:#08120F; --ink-900:#0C1A15; --ink-800:#122721;
    --paper:#F5F7F4; --card:#FFFFFF; --line:#E3EAE5;
    --t-900:#0E1A16; --t-600:#4B5B54; --t-400:#86968E;
    --r-card:14px; --r-img:12px; --r-btn:10px;
    --shadow-sm:0 1px 2px rgba(12,26,21,.06);
    --shadow-md:0 12px 28px -12px rgba(12,26,21,.18);
    --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  html body{
    margin:0;background:var(--paper);color:var(--t-900);
    font-family:var(--font-cn);font-size:17px;line-height:1.85;letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0}
  h1,h2,h3,h4,p{margin:0}
  .num{font-variant-numeric:tabular-nums}

  .container-x{max-width:1200px;margin:0 auto;padding:0 24px}
  .narrow{max-width:760px}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(8,18,15,.94);
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .header-inner{position:relative;display:flex;align-items:center;gap:18px;height:72px}
  .nav-side{display:flex;align-items:center;gap:22px;flex:1 1 0;min-width:0}
  .nav-side.right{justify-content:flex-end}
  .nav-link{
    position:relative;display:inline-block;padding:6px 2px;
    font-size:15px;color:#C4D6CE;transition:color .2s ease;white-space:nowrap;
  }
  .nav-link:hover{color:#FFFFFF}
  .nav-link:focus-visible{outline:2px solid rgba(23,200,138,.7);outline-offset:4px;border-radius:4px}
  .nav-link.is-active{color:#FFFFFF;font-weight:600}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
    background:var(--brand-500);border-radius:2px;
  }
  .brand{
    position:relative;z-index:2;flex:0 0 auto;display:flex;align-items:center;gap:10px;
    color:#FFFFFF;font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  }
  .brand:focus-visible{outline:2px solid rgba(23,200,138,.7);outline-offset:4px;border-radius:8px}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    height:38px;padding:0 16px;border-radius:var(--r-btn);
    background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
    border:1px solid rgba(255,255,255,.10);transition:all .2s ease;
  }
  .nav-cta:hover{background:var(--brand-500);transform:translateY(-1px)}
  .nav-cta:active{background:var(--brand-700);transform:none}

  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:10px;
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
    color:#E8F3EE;cursor:pointer;transition:background .2s ease;
  }
  .nav-toggle:hover{background:rgba(255,255,255,.12)}
  .nav-toggle:focus-visible{outline:2px solid rgba(23,200,138,.7);outline-offset:2px}

  .mobile-panel{
    display:none;border-top:1px solid rgba(255,255,255,.08);
    background:var(--ink-900);padding:14px 24px 20px;
  }
  .mobile-panel.is-open{display:block}
  .mobile-panel a{
    display:block;padding:13px 4px;font-size:15.5px;color:#C4D6CE;
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .mobile-panel a:last-of-type{border-bottom:0}
  .mobile-panel a.is-active{color:#fff;font-weight:600}
  .mobile-panel .nav-cta{width:100%;height:46px;margin-top:14px;font-size:15px}

  /* ============ 通用按钮 / 徽章 ============ */
  .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;
    border:1px solid transparent;cursor:pointer;
    transition:background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px -14px rgba(15,168,115,.85)}
  .btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(23,200,138,.8)}
  .btn-primary:active{background:var(--brand-700);transform:none}
  .btn-ghost{background:transparent;border-color:rgba(23,200,138,.65);color:#E8F3EE}
  .btn-ghost:hover{background:rgba(23,200,138,.14);transform:translateY(-1px)}
  .btn-ghost:active{transform:none;background:rgba(23,200,138,.2)}
  .btn-amber{background:var(--amber-500);color:#3A2600}
  .btn-amber:hover{background:#FFC247;transform:translateY(-1px)}
  .btn-amber:active{background:var(--amber-600);transform:none}
  .btn:focus-visible{outline:2px solid rgba(23,200,138,.65);outline-offset:2px}

  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
  }
  .badge-brand{background:var(--brand-100);color:var(--brand-700)}
  .badge-amber{background:var(--amber-50);color:var(--amber-600)}
  .badge-dark{background:rgba(23,200,138,.15);color:#5FE0B4}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--t-600)}

  /* ============ Hero ============ */
  .hero{position:relative;overflow:hidden;background:var(--ink-900);color:#E8F3EE}
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:
      linear-gradient(104deg, rgba(8,18,15,.96) 0%, rgba(8,18,15,.86) 44%, rgba(8,18,15,.62) 100%),
      url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    opacity:.92;
  }
  .hero-glow{
    position:absolute;width:560px;height:560px;right:-140px;top:-200px;
    background:radial-gradient(circle, rgba(23,200,138,.30), transparent 68%);
    pointer-events:none;
  }
  .hero-grid-line{
    position:absolute;inset:0;pointer-events:none;opacity:.28;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size:64px 64px;
  }
  .hero-relative{position:relative;z-index:1}
  .hero-inner{
    display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center;
    padding:60px 0 52px;
  }
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#86968E}
  .crumb a{color:#A9BDB4;transition:color .2s ease}
  .crumb a:hover{color:var(--brand-500)}
  .crumb span.sep{color:#5C7269}
  .crumb .current{color:#DDEAE4}

  .hero h1{
    margin:16px 0 14px;color:#FFFFFF;
    font-size:46px;line-height:1.24;font-weight:700;letter-spacing:0;
  }
  .hero-sub{font-size:17.5px;line-height:1.8;color:#B9CCC4;max-width:620px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-note{margin-top:16px;font-size:13.5px;color:#86968E}

  .hero-visual{position:relative}
  .hero-visual img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:16px;border:1px solid rgba(255,255,255,.12);
    box-shadow:0 30px 60px -30px rgba(0,0,0,.85);
  }
  .visual-badge{
    position:absolute;right:16px;bottom:16px;
    display:inline-flex;align-items:center;gap:6px;
    padding:9px 14px;border-radius:999px;
    background:var(--amber-500);color:#3A2600;font-size:13px;font-weight:700;
    box-shadow:0 10px 24px -12px rgba(232,144,0,.9);
  }

  .stats{
    display:grid;grid-template-columns:repeat(4,1fr);
    border-top:1px solid rgba(255,255,255,.10);padding-bottom:6px;
  }
  .stat{padding:20px 18px 10px;border-left:1px solid rgba(255,255,255,.10)}
  .stat:first-child{border-left:0;padding-left:0}
  .stat-num{font-size:26px;font-weight:700;color:var(--brand-500);letter-spacing:0}
  .stat-num.amber{color:var(--amber-500)}
  .stat-label{margin-top:4px;font-size:13px;color:#93A69E}

  /* ============ 板块基础 ============ */
  .section{padding:88px 0;position:relative}
  .section-paper{background:var(--paper)}
  .section-white{background:#FFFFFF}
  .section-topline::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg, var(--brand-600), rgba(15,168,115,0));
  }
  .sec-head{max-width:760px;margin-bottom:32px}
  .sec-head h2{font-size:30px;line-height:1.35;font-weight:600;color:var(--t-900)}
  .sec-head p{margin-top:12px;color:var(--t-600);font-size:16px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--brand-700);letter-spacing:.04em;
  }
  .eyebrow::before{content:"";width:16px;height:2px;background:var(--brand-600);border-radius:2px}

  /* ============ 目录 + 列表布局 ============ */
  .cat-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
  .toc{
    position:sticky;top:96px;
    background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 16px;box-shadow:var(--shadow-sm);
  }
  .toc-title{font-size:13px;font-weight:700;color:var(--t-400);letter-spacing:.08em;padding:0 10px 10px}
  .toc-nav{display:grid;gap:4px}
  .toc a{
    display:block;padding:9px 10px;border-radius:8px;
    font-size:14.5px;color:var(--t-600);
    border-left:3px solid transparent;transition:all .2s ease;
  }
  .toc a:hover{background:var(--brand-100);color:var(--brand-700)}
  .toc a.is-current{
    background:var(--brand-100);color:var(--brand-700);font-weight:600;
    border-left-color:var(--brand-600);
  }
  .toc a:focus-visible{outline:2px solid rgba(23,200,138,.6);outline-offset:2px}

  .group{margin-bottom:40px}
  .group:last-child{margin-bottom:0}
  .group-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
  .group-head h3{
    position:relative;padding-left:13px;font-size:20px;font-weight:600;color:var(--t-900);line-height:1.4;
  }
  .group-head h3::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:4px;height:18px;border-radius:2px;background:var(--brand-600);
  }

  .entry-list{
    background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--shadow-sm);
  }
  .entry{
    display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:18px;align-items:center;
    padding:16px 20px;border-top:1px solid var(--line);
    transition:background .2s ease, transform .2s ease;
  }
  .entry:first-child{border-top:0}
  .entry:hover{background:var(--paper)}
  .entry:focus-visible{outline:2px solid rgba(23,200,138,.6);outline-offset:-2px}
  .entry-thumb{width:72px;height:72px;border-radius:var(--r-img);object-fit:cover}
  .entry-title{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:16.5px;font-weight:600;color:var(--t-900)}
  .entry-desc{margin-top:4px;font-size:14px;line-height:1.7;color:var(--t-600)}
  .entry-side{display:flex;align-items:center;gap:14px}
  .entry-meta{font-size:13px;color:var(--t-400);white-space:nowrap}
  .entry-arrow{color:#B7C6BF;transition:transform .2s ease, color .2s ease}
  .entry:hover .entry-arrow{color:var(--brand-600);transform:translateX(3px)}

  /* ============ 档位票券 ============ */
  .tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .tier{
    position:relative;background:#FFFFFF;border:1px solid var(--line);
    border-radius:var(--r-card);padding:26px 24px 24px;box-shadow:var(--shadow-sm);
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D4E3DA}
  .tier.featured{border-color:rgba(255,176,32,.6)}
  .tier.featured::after{
    content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 3px 3px;
    background:linear-gradient(90deg, var(--amber-500), rgba(255,176,32,.15));
  }
  .tier-name{font-size:19px;font-weight:700;color:var(--t-900)}
  .tier-score{margin-top:6px;font-size:14px;color:var(--t-400)}
  .tier dl{margin:18px 0 0;display:grid;gap:10px}
  .tier dl div{display:flex;justify-content:space-between;gap:14px;padding-bottom:9px;border-bottom:1px dashed var(--line);font-size:14.5px}
  .tier dl div:last-child{border-bottom:0;padding-bottom:0}
  .tier dt{color:var(--t-400)}
  .tier dd{margin:0;color:var(--t-900);font-weight:600;text-align:right}
  .tier .hl{
    display:block;margin-top:16px;padding:9px 12px;border-radius:8px;
    background:var(--amber-50);color:var(--amber-600);font-size:13.5px;font-weight:600;
  }

  /* ============ 步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .step{
    position:relative;background:#FFFFFF;border:1px solid var(--line);
    border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-sm);
  }
  .step-idx{
    width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--brand-600);color:var(--brand-700);font-weight:700;font-size:15px;
    margin-bottom:16px;
  }
  .step h3{font-size:18px;font-weight:600;color:var(--t-900)}
  .step p{margin-top:10px;font-size:14.5px;color:var(--t-600);line-height:1.8}

  /* ============ FAQ ============ */
  .faq{max-width:860px;margin:0 auto}
  .faq-item{
    background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-img);
    margin-bottom:12px;overflow:hidden;transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item:last-child{margin-bottom:0}
  .faq-item[open]{border-color:#D4E3DA;box-shadow:var(--shadow-sm);border-left:3px solid var(--brand-600)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;cursor:pointer;font-size:16.5px;font-weight:600;color:var(--t-900);
    list-style:none;
  }
  .faq-q::-webkit-details-marker{display:none}
  .faq-q:focus-visible{outline:2px solid rgba(23,200,138,.6);outline-offset:-2px}
  .faq-icon{flex:0 0 auto;color:var(--brand-600);transition:transform .25s ease}
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-a{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--t-600)}

  /* ============ CTA 条 ============ */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink-900);color:#E8F3EE;
    border-radius:18px;padding:46px 44px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    border:1px solid rgba(255,255,255,.08);
  }
  .cta-band::before{
    content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-220px;
    background:radial-gradient(circle, rgba(23,200,138,.28), transparent 66%);
  }
  .cta-band h2{position:relative;font-size:28px;font-weight:600;line-height:1.4;color:#fff}
  .cta-band p{position:relative;margin-top:12px;font-size:15.5px;color:#A9BDB4;max-width:620px}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink-950);color:#93A69E}
  .footer-col h4{color:#FFFFFF;font-size:15px;font-weight:600;margin-bottom:14px}
  .footer-col ul{list-style:none;display:grid;gap:10px}
  .footer-link{font-size:14px;color:#93A69E;transition:color .2s ease}
  .footer-link:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
  .footer-link:focus-visible{outline:2px solid rgba(23,200,138,.65);outline-offset:3px;border-radius:4px}
  .qr-box{
    width:96px;height:96px;border-radius:var(--r-img);
    background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;
    border:1px solid rgba(255,255,255,.08);
  }
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
    font-size:13px;color:#6E837B;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .nav-side{display:none}
    .nav-toggle{display:inline-flex}
    .header-inner{justify-content:space-between}
    .brand{position:absolute;left:50%;transform:translateX(-50%)}
    .hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 40px}
    .hero h1{font-size:36px}
    .cat-layout{grid-template-columns:1fr;gap:22px}
    .toc{
      position:static;display:block;padding:14px 12px;
    }
    .toc-title{padding:0 4px 10px}
    .toc-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
    .toc a{
      white-space:nowrap;padding:8px 14px;border-radius:999px;
      border:1px solid var(--line);border-left-width:1px;font-size:14px;
    }
    .toc a.is-current{border-color:var(--brand-500);background:var(--brand-100)}
    .tiers{grid-template-columns:1fr 1fr}
    .section{padding:64px 0}
  }
  @media (max-width:768px){
    .hero h1{font-size:32px}
    .hero-sub{font-size:16.5px}
    .stats{grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.10)}
    .stat{border-left:0;border-top:1px solid rgba(255,255,255,.10);padding:16px 0 8px}
    .stat:nth-child(1),.stat:nth-child(2){border-top:0}
    .sec-head h2{font-size:24px}
    .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:24px}
    .cta-band h2{font-size:23px}
    .entry{grid-template-columns:64px minmax(0,1fr);gap:14px;padding:14px 16px}
    .entry-thumb{width:64px;height:64px}
    .entry-side{grid-column:2;justify-self:flex-start;margin-top:2px}
    .steps{grid-template-columns:1fr}
  }
  @media (max-width:640px){
    .container-x{padding:0 16px}
    html body{font-size:16px}
    .hero h1{font-size:28px;line-height:1.3}
    .hero-actions{gap:10px}
    .btn{width:100%;padding:13px 18px}
    .tiers{grid-template-columns:1fr}
    .section{padding:52px 0}
    .entry-thumb{width:56px;height:56px}
    .entry{grid-template-columns:56px minmax(0,1fr)}
    .cta-actions{width:100%}
    .footer-bottom{flex-direction:column;gap:8px}
  }

/* roulang page: category3 */
:root{
    --brand-600:#0FA873; --brand-500:#17C88A; --brand-700:#0B8459; --brand-100:#E6FBF2;
    --amber-500:#FFB020; --amber-600:#E89000; --amber-50:#FFF6E3;
    --coral-500:#FF6A3D;
    --ink-950:#08120F; --ink-900:#0C1A15; --ink-800:#122721;
    --paper:#F5F7F4; --card:#FFFFFF; --line:#E3EAE5;
    --t-900:#0E1A16; --t-600:#4B5B54; --t-400:#86968E;
    --radius-card:14px; --radius-img:12px; --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(12,26,21,.06);
    --shadow-2:0 12px 28px -12px rgba(12,26,21,.18);
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0; padding:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
    font-size:16px; line-height:1.85; letter-spacing:.01em;
    color:var(--t-900); background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  a{ color:inherit; text-decoration:none; }
  img{ display:block; max-width:100%; height:auto; }
  button,input,select,textarea{ font-family:inherit; font-size:inherit; color:inherit; }
  ul,ol{ margin:0; padding:0; }
  h1,h2,h3,h4{ margin:0; font-weight:600; letter-spacing:0; }
  p{ margin:0; }
  .num{ font-variant-numeric:tabular-nums; font-feature-settings:"tnum"; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding-left:16px; padding-right:16px; }
  @media (min-width:768px){ .container-x{ padding-left:24px; padding-right:24px; } }
  .measure{ max-width:760px; }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky; top:0; z-index:60;
    background:transparent; border-bottom:1px solid transparent;
    transition:background .26s ease, border-color .26s ease, box-shadow .26s ease;
  }
  .site-header.is-solid{
    background:rgba(12,26,21,.97);
    border-bottom-color:rgba(255,255,255,.08);
    box-shadow:0 10px 30px -20px rgba(0,0,0,.9);
  }
  .header-inner{
    display:grid; grid-template-columns:1fr auto 1fr; align-items:center;
    gap:16px; height:72px;
  }
  .nav-side{ display:flex; align-items:center; gap:24px; }
  .nav-side.right{ justify-content:flex-end; }
  .nav-link{
    position:relative; font-size:15px; color:#DCEBE4; padding:6px 0; white-space:nowrap;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
    background:var(--brand-500); border-radius:2px;
    transform:scaleX(0); transform-origin:left; transition:transform .22s ease;
  }
  .nav-link:hover{ color:#fff; }
  .nav-link:hover::after{ transform:scaleX(1); }
  .nav-link.is-active{ color:#fff; font-weight:600; }
  .nav-link.is-active::after{ transform:scaleX(1); }
  .brand{
    display:flex; align-items:center; gap:10px; justify-self:center;
    color:#fff; font-size:20px; font-weight:700; white-space:nowrap;
  }
  .brand:focus-visible{ outline:2px solid var(--brand-500); outline-offset:4px; border-radius:8px; }
  .menu-toggle{
    display:none; width:42px; height:42px; align-items:center; justify-content:center;
    background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14);
    border-radius:10px; cursor:pointer; transition:background .2s ease;
  }
  .menu-toggle:hover{ background:rgba(255,255,255,.12); }
  .menu-toggle span{ display:block; width:18px; height:2px; background:#E8F3EE; border-radius:2px; position:relative; }
  .menu-toggle span::before,.menu-toggle span::after{
    content:""; position:absolute; left:0; width:18px; height:2px; background:#E8F3EE; border-radius:2px;
    transition:transform .2s ease;
  }
  .menu-toggle span::before{ top:-6px; }
  .menu-toggle span::after{ top:6px; }
  .mobile-panel{
    display:none; max-height:0; overflow:hidden;
    background:rgba(8,18,15,.98); border-top:1px solid rgba(255,255,255,.08);
    transition:max-height .3s ease;
  }
  .mobile-panel.open{ max-height:560px; }
  .mobile-panel-inner{ padding:14px 16px 22px; display:grid; gap:4px; }
  .mobile-link{
    display:block; padding:13px 6px; color:#DCEBE4; font-size:15px;
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .mobile-link.is-active{ color:var(--brand-500); font-weight:600; }
  @media (max-width:1023px){
    .nav-side{ display:none; }
    .menu-toggle{ display:flex; }
    .mobile-panel{ display:block; }
    .header-inner{ grid-template-columns:44px 1fr 44px; height:60px; }
    .brand{ font-size:18px; }
  }

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:46px; padding:0 22px; border-radius:var(--radius-btn);
    font-size:15px; font-weight:600; border:1px solid transparent; cursor:pointer;
    transition:transform .18s ease, background .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
  }
  .btn-primary{ background:var(--brand-600); color:#fff; }
  .btn-primary:hover{ background:var(--brand-500); transform:translateY(-1px); box-shadow:0 12px 28px -12px rgba(12,26,21,.5); }
  .btn-primary:active{ background:var(--brand-700); transform:none; box-shadow:none; }
  .btn-ghost{ background:transparent; color:#E8F3EE; border-color:rgba(23,200,138,.65); }
  .btn-ghost:hover{ background:rgba(23,200,138,.14); transform:translateY(-1px); }
  .btn-ghost:active{ transform:none; background:rgba(23,200,138,.2); }
  .btn-light{ background:#fff; color:var(--brand-700); border-color:var(--line); }
  .btn-light:hover{ border-color:var(--brand-500); color:var(--brand-600); transform:translateY(-1px); box-shadow:var(--shadow-2); }
  .btn:focus-visible{ outline:none; box-shadow:0 0 0 2px rgba(245,247,244,.95), 0 0 0 4px rgba(23,200,138,.65); }
  .btn-sm{ height:38px; padding:0 16px; font-size:14px; }
  .btn-block{ width:100%; }

  /* ---------- Badges / Chips ---------- */
  .badge{
    display:inline-flex; align-items:center; gap:6px; height:24px; padding:0 12px;
    border-radius:999px; font-size:12px; font-weight:600; line-height:1; white-space:nowrap;
  }
  .badge-brand{ background:var(--brand-100); color:var(--brand-700); }
  .badge-dark{ background:rgba(23,200,138,.16); color:#6FE0B8; }
  .badge-amber{ background:var(--amber-50); color:var(--amber-600); }
  .chip-row{ display:flex; flex-wrap:wrap; gap:10px; }
  .chip{
    display:inline-flex; align-items:center; height:36px; padding:0 16px;
    border-radius:999px; border:1px solid var(--line); background:#fff;
    font-size:14px; color:var(--t-600); cursor:pointer; transition:all .18s ease;
  }
  .chip:hover{ border-color:var(--brand-500); color:var(--brand-600); }
  .chip.is-on{ border-color:var(--coral-500); color:var(--coral-500); background:#FFF7F4; font-weight:600; }

  /* ---------- Hero ---------- */
  .hero-stage{
    position:relative; overflow:hidden;
    background:var(--ink-900); color:#EAF4EF;
    padding:52px 0 60px;
    margin-top:-72px;
  }
  @media (max-width:1023px){ .hero-stage{ margin-top:-60px; padding-top:44px; } }
  .hero-stage::before{
    content:""; position:absolute; width:620px; height:620px; right:-160px; top:-260px;
    background:radial-gradient(circle, rgba(23,200,138,.26), transparent 66%);
    pointer-events:none;
  }
  .hero-stage::after{
    content:""; position:absolute; inset:0; pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:linear-gradient(180deg, rgba(0,0,0,.7), transparent 78%);
    -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.7), transparent 78%);
  }
  .hero-grid{ position:relative; z-index:2; display:grid; gap:36px; grid-template-columns:1fr; align-items:center; }
  @media (min-width:1024px){ .hero-grid{ grid-template-columns:7fr 5fr; gap:48px; } }
  .hero-title{
    font-size:clamp(28px,4.4vw,46px); line-height:1.25; font-weight:700; color:#fff;
    margin:16px 0 0;
  }
  .hero-sub{ margin-top:18px; font-size:17px; line-height:1.85; color:#B6CBC2; max-width:540px; }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
  .hero-media{ position:relative; }
  .hero-media img{ width:100%; aspect-ratio:16/11; object-fit:cover; border-radius:16px; border:1px solid rgba(255,255,255,.1); }
  .hero-float{
    position:absolute; right:14px; bottom:-14px;
    background:var(--amber-50); color:var(--amber-600);
    border-radius:12px; padding:10px 16px; font-size:13px; font-weight:700;
    box-shadow:0 18px 34px -20px rgba(0,0,0,.85);
  }
  .stat-bar{
    position:relative; z-index:2; margin-top:44px;
    display:grid; grid-template-columns:repeat(3,1fr);
    border-top:1px solid rgba(255,255,255,.1); padding-top:26px; gap:16px;
  }
  @media (max-width:640px){ .stat-bar{ grid-template-columns:1fr; gap:18px; } }
  .stat-item{ padding-right:16px; }
  .stat-item + .stat-item{ border-left:1px solid rgba(255,255,255,.1); padding-left:20px; }
  @media (max-width:640px){ .stat-item + .stat-item{ border-left:0; padding-left:0; border-top:1px solid rgba(255,255,255,.1); padding-top:16px; } }
  .stat-num{ font-size:28px; font-weight:700; color:var(--amber-500); line-height:1.2; }
  .stat-label{ font-size:13px; color:#8FA79D; margin-top:6px; }

  /* ---------- Sections ---------- */
  .section{ padding:64px 0; }
  @media (min-width:768px){ .section{ padding:88px 0; } }
  .section-paper{ background:var(--paper); }
  .section-white{ background:#fff; }
  .section-dark{ background:var(--ink-900); color:#DCEBE4; }
  .section-top-line{ position:relative; }
  .section-top-line::before{
    content:""; position:absolute; top:0; left:0; height:2px; width:220px;
    background:linear-gradient(90deg, var(--brand-600), transparent);
  }
  .section-head{ margin-bottom:36px; }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:13px; font-weight:600; color:var(--brand-600); letter-spacing:.04em;
  }
  .eyebrow::before{ content:""; width:16px; height:2px; background:var(--brand-600); border-radius:2px; }
  .h2{ font-size:26px; line-height:1.35; font-weight:600; color:var(--t-900); margin-top:12px; }
  @media (min-width:768px){ .h2{ font-size:30px; } }
  .h2-dark{ color:#fff; }
  .lead{ margin-top:14px; font-size:16px; color:var(--t-600); max-width:640px; }
  .lead-dark{ color:#A9BFB6; }

  /* ---------- Compare cards ---------- */
  .compare-grid{ display:grid; gap:24px; grid-template-columns:1fr; }
  @media (min-width:768px){ .compare-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .compare-grid{ grid-template-columns:repeat(3,1fr); } }
  .spec-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
    overflow:hidden; box-shadow:var(--shadow-1); display:flex; flex-direction:column;
    transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  }
  .spec-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:#D3E2DA; }
  .spec-card.is-featured{ border-color:rgba(15,168,115,.55); }
  .spec-card img{ width:100%; aspect-ratio:16/10; object-fit:cover; }
  .spec-body{ padding:22px 22px 24px; display:flex; flex-direction:column; flex:1; }
  .spec-name{ font-size:20px; font-weight:600; color:var(--t-900); }
  .spec-desc{ margin-top:8px; font-size:14px; color:var(--t-600); line-height:1.8; }
  .spec-list{ margin-top:18px; border-top:1px solid var(--line); }
  .spec-row{
    display:grid; grid-template-columns:86px 1fr; gap:12px; align-items:start;
    padding:11px 0; border-bottom:1px dashed var(--line); font-size:14px;
  }
  .spec-row dt{ color:var(--t-400); }
  .spec-row dd{ margin:0; color:var(--t-900); font-weight:500; }
  .spec-row.is-hl{ background:var(--amber-50); border-radius:8px; padding-left:10px; padding-right:10px; border-bottom-color:transparent; }
  .spec-row.is-hl dt{ color:var(--amber-600); }
  .spec-row.is-hl dd{ color:var(--amber-600); font-weight:700; }
  .spec-foot{ margin-top:20px; padding-top:18px; border-top:1px solid var(--line); }

  /* ---------- Table ---------- */
  .table-scroll{ overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius-card); background:#fff; }
  table.cfg-table{ width:100%; min-width:680px; border-collapse:collapse; font-size:14px; }
  table.cfg-table th{
    background:var(--paper); color:var(--t-600); font-weight:600; text-align:left;
    padding:14px 18px; border-bottom:1px solid var(--line); white-space:nowrap;
  }
  table.cfg-table td{ padding:15px 18px; border-bottom:1px solid var(--line); color:var(--t-600); }
  table.cfg-table tbody tr:last-child td{ border-bottom:0; }
  table.cfg-table tbody tr:nth-child(even){ background:#FAFCFA; }
  table.cfg-table td:first-child{ color:var(--t-900); font-weight:600; }
  table.cfg-table td .num{ color:var(--t-900); }

  /* ---------- Scenes ---------- */
  .scene-grid{ display:grid; gap:20px; grid-template-columns:1fr; }
  @media (min-width:768px){ .scene-grid{ grid-template-columns:repeat(3,1fr); } }
  .scene-item{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
    padding:26px 24px; box-shadow:var(--shadow-1);
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .scene-item:hover{ transform:translateY(-3px); box-shadow:var(--shadow-2); }
  .scene-icon{
    width:44px; height:44px; border-radius:12px; background:var(--brand-100);
    display:flex; align-items:center; justify-content:center; color:var(--brand-600);
  }
  .scene-title{ margin-top:16px; font-size:18px; font-weight:600; color:var(--t-900); }
  .scene-text{ margin-top:10px; font-size:14px; color:var(--t-600); line-height:1.8; }

  /* ---------- FAQ ---------- */
  .faq-list{ display:grid; gap:12px; }
  .faq-item{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
    padding:0 20px; transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item[open]{ border-color:rgba(15,168,115,.4); box-shadow:var(--shadow-1); }
  .faq-item summary{
    list-style:none; cursor:pointer; display:flex; align-items:flex-start; gap:16px;
    padding:18px 0; font-size:16px; font-weight:600; color:var(--t-900);
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::after{
    content:"+"; margin-left:auto; flex:0 0 auto;
    font-size:20px; line-height:1; color:var(--brand-600);
    transition:transform .22s ease; transform-origin:center;
  }
  .faq-item[open] summary::after{ transform:rotate(45deg); }
  .faq-item[open] summary{ color:var(--brand-700); }
  .faq-answer{
    padding:14px 0 20px; border-top:1px solid var(--line);
    font-size:15px; color:var(--t-600); line-height:1.85;
  }
  .faq-answer::before{
    content:""; display:block; width:3px; height:16px; background:var(--brand-600);
    border-radius:2px; margin-bottom:10px;
  }

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative; overflow:hidden; background:var(--ink-900); color:#fff;
    border-radius:18px; padding:40px 28px;
  }
  @media (min-width:768px){ .cta-band{ padding:52px 48px; } }
  .cta-band::before{
    content:""; position:absolute; width:460px; height:460px; right:-140px; bottom:-240px;
    background:radial-gradient(circle, rgba(255,176,32,.22), transparent 68%);
  }
  .cta-inner{ position:relative; z-index:2; display:grid; gap:26px; align-items:center; }
  @media (min-width:1024px){ .cta-inner{ grid-template-columns:1fr auto; gap:40px; } }
  .cta-title{ font-size:24px; font-weight:600; line-height:1.4; }
  @media (min-width:768px){ .cta-title{ font-size:30px; } }
  .cta-text{ margin-top:12px; font-size:15px; color:#A9BFB6; max-width:560px; }
  .cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }

  /* ---------- Footer ---------- */
  .site-footer{ background:var(--ink-950); color:#93A69E; }
  .footer-col h4{ color:#fff; font-size:15px; font-weight:600; margin:0 0 14px; }
  .footer-col ul{ list-style:none; display:grid; gap:10px; }
  .footer-link{ font-size:14px; color:#93A69E; transition:color .18s ease; }
  .footer-link:hover{ color:var(--brand-500); text-decoration:underline; text-underline-offset:3px; }
  .qr-box{
    width:88px; height:88px; border-radius:12px; background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center;
  }
  .footer-bottom{
    margin-top:44px; padding-top:20px; border-top:1px solid rgba(255,255,255,.08);
    display:flex; flex-direction:column; gap:8px; font-size:13px; color:#6F8179;
  }
  @media (min-width:768px){
    .footer-bottom{ flex-direction:row; align-items:center; justify-content:space-between; }
  }

  /* ---------- Back to top ---------- */
  .to-top{
    position:fixed; right:18px; bottom:22px; z-index:70;
    width:46px; height:46px; border-radius:50%;
    background:var(--brand-600); color:#fff; border:0; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 14px 30px -14px rgba(12,26,21,.7);
    opacity:0; visibility:hidden; transform:translateY(8px);
    transition:opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
  .to-top:hover{ background:var(--brand-500); }
  .to-top:focus-visible{ outline:2px solid #fff; outline-offset:3px; }

/* roulang page: category4 */
:root{
    --brand-600:#0FA873;
    --brand-500:#17C88A;
    --brand-700:#0B8459;
    --brand-100:#E6FBF2;
    --amber-500:#FFB020;
    --amber-600:#E89000;
    --amber-50:#FFF6E3;
    --coral-500:#FF6A3D;
    --ink-950:#08120F;
    --ink-900:#0C1A15;
    --ink-800:#122721;
    --paper:#F5F7F4;
    --card:#FFFFFF;
    --line:#E3EAE5;
    --t-900:#0E1A16;
    --t-600:#4B5B54;
    --t-400:#86968E;
    --radius-card:14px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(12,26,21,.06);
    --shadow-lift:0 12px 28px -12px rgba(12,26,21,.18);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
    font-size:17px;
    line-height:1.85;
    letter-spacing:.01em;
    color:var(--t-600);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;}
  h1,h2,h3,h4{margin:0;color:var(--t-900);font-weight:600;line-height:1.35;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;}
  .num{font-variant-numeric:tabular-nums;}

  .container-x{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
  @media (max-width:767px){ .container-x{padding-left:16px;padding-right:16px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    background:rgba(12,26,21,.96);
    border-bottom:1px solid rgba(255,255,255,.08);
    box-shadow:0 10px 30px -18px rgba(0,0,0,.6);
  }
  .header-inner{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:16px;
    height:72px;
    position:relative;
  }
  .brand-logo{
    display:inline-flex;align-items:center;gap:10px;
    color:#fff;font-size:19px;font-weight:700;letter-spacing:.01em;
    justify-self:center;
  }
  .brand-logo:hover{color:#fff;}
  .nav-side{display:flex;align-items:center;gap:26px;}
  .nav-side.left{justify-content:flex-start;}
  .nav-side.right{justify-content:flex-end;}
  .nav-link{
    position:relative;
    color:#D3E4DC;font-size:15px;line-height:1.4;
    padding:6px 2px;
    transition:color .2s ease;
  }
  .nav-link:hover{color:#fff;}
  .nav-link.is-active{color:#fff;font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;
    background:var(--brand-500);border-radius:2px;
  }
  .nav-cta{
    display:inline-flex;align-items:center;height:38px;padding:0 16px;
    border-radius:var(--radius-btn);
    background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
    border:1px solid rgba(255,255,255,.10);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .nav-cta:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(23,200,138,.8);}
  .nav-cta:active{background:var(--brand-700);transform:none;}

  .nav-toggle{
    display:none;
    position:absolute;right:0;top:50%;transform:translateY(-50%);
    width:42px;height:42px;border-radius:12px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    flex-direction:column;align-items:center;justify-content:center;gap:5px;
    transition:background .2s ease;
  }
  .nav-toggle:hover{background:rgba(255,255,255,.14);}
  .nav-toggle .bar{display:block;width:18px;height:2px;background:#E8F3EE;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
  body.nav-open .nav-toggle .bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
  body.nav-open .nav-toggle .bar:nth-child(2){opacity:0;}
  body.nav-open .nav-toggle .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .mobile-panel{
    display:none;
    background:var(--ink-900);
    border-top:1px solid rgba(255,255,255,.08);
    padding:8px 0 20px;
  }
  body.nav-open .mobile-panel{display:block;}
  .mobile-panel a{
    display:block;padding:13px 0;color:#D3E4DC;font-size:16px;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .mobile-panel a.is-active{color:var(--brand-500);font-weight:600;}
  .mobile-panel .mobile-cta{
    display:flex;align-items:center;justify-content:center;
    height:46px;margin-top:18px;border-radius:var(--radius-btn);
    background:var(--brand-600);color:#fff;font-weight:600;
    border-bottom:none;
  }

  @media (max-width:1023px){
    .nav-side{display:none;}
    .header-inner{height:56px;}
    .nav-toggle{display:flex;}
    .brand-logo{font-size:17px;}
  }
  @media (min-width:1024px){
    .mobile-panel{display:none !important;}
  }

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:16px;font-weight:600;border:1px solid transparent;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--brand-600);color:#fff;border-color:rgba(255,255,255,.10);}
  .btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(23,200,138,.9);}
  .btn-primary:active{background:var(--brand-700);transform:none;box-shadow:none;}
  .btn-ghost{background:transparent;color:#E8F3EE;border-color:rgba(23,200,138,.65);}
  .btn-ghost:hover{background:rgba(23,200,138,.14);transform:translateY(-1px);}
  .btn-outline{background:#fff;color:var(--brand-700);border-color:var(--line);box-shadow:var(--shadow-card);}
  .btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-lift);}
  .btn:focus-visible,.nav-link:focus-visible,.footer-link:focus-visible,.nav-cta:focus-visible,.chip:focus-visible{
    outline:2px solid var(--brand-500);outline-offset:2px;
  }

  /* ---------- Hero ---------- */
  .hero-cover{
    position:relative;
    background:var(--ink-900);
    overflow:hidden;
    padding-top:56px;
  }
  @media (min-width:1024px){ .hero-cover{padding-top:72px;} }
  .hero-cover .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    opacity:.40;
  }
  .hero-cover .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(104deg,rgba(8,18,15,.95) 10%,rgba(8,18,15,.78) 50%,rgba(8,18,15,.42) 100%);
  }
  .hero-cover .hero-glow{
    position:absolute;width:560px;height:560px;right:-140px;top:-200px;
    background:radial-gradient(circle,rgba(23,200,138,.30),rgba(23,200,138,0) 68%);
    pointer-events:none;
  }
  .hero-cover .hero-grid{
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:64px 64px;
    opacity:.5;
    pointer-events:none;
  }
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#8FA79E;}
  .crumb a{color:#8FA79E;transition:color .2s ease;}
  .crumb a:hover{color:var(--brand-500);}
  .crumb .cur{color:#D3E4DC;}

  /* ---------- Media ---------- */
  .media{
    position:relative;overflow:hidden;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:#fff;
    box-shadow:var(--shadow-card);
  }
  .media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease,filter .55s ease;}
  .media:hover img{transform:scale(1.03);filter:brightness(1.05);}
  .ratio-43{aspect-ratio:4/3;}
  .ratio-169{aspect-ratio:16/9;}
  .ratio-11{aspect-ratio:1/1;}

  /* ---------- Tag / chip ---------- */
  .tag{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;font-size:12px;font-weight:600;
    background:var(--brand-100);color:var(--brand-700);
    white-space:nowrap;
  }
  .tag-amber{background:var(--amber-50);color:var(--amber-600);}
  .tag-dark{background:rgba(23,200,138,.15);color:#7FE4BE;}
  .chip{
    display:inline-flex;align-items:center;height:32px;padding:0 15px;
    border-radius:999px;font-size:13px;font-weight:500;
    background:#fff;border:1px solid var(--line);color:var(--t-600);
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  .chip:hover{border-color:var(--brand-500);color:var(--brand-600);}
  .chip.is-on{border-color:var(--coral-500);color:var(--coral-500);background:#FFF4EF;}

  /* ---------- Cards ---------- */
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#D6E2DB;}

  .rule-row{
    display:flex;gap:18px;padding:22px 0;
    border-bottom:1px solid rgba(255,255,255,.10);
  }
  .rule-row:last-child{border-bottom:none;}
  .rule-index{
    flex:0 0 auto;width:38px;height:38px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(23,200,138,.14);
    border:1px solid rgba(23,200,138,.35);
    color:#7FE4BE;font-size:14px;font-weight:700;
  }

  /* ---------- FAQ ---------- */
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-left:3px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .faq-item:hover{border-color:#D6E2DB;}
  .faq-item[open]{
    border-color:var(--line);
    border-left-color:var(--brand-600);
    box-shadow:var(--shadow-lift);
  }
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:18px 20px;
    font-size:16px;font-weight:600;color:var(--t-900);line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px;border-radius:12px;}
  .faq-icon{
    flex:0 0 auto;width:24px;height:24px;margin-top:2px;
    display:flex;align-items:center;justify-content:center;
    color:var(--t-400);font-size:20px;font-weight:400;line-height:1;
    transition:transform .28s ease,color .28s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--brand-600);}
  .faq-body{
    padding:0 20px 20px 20px;
    font-size:15px;line-height:1.85;color:var(--t-600);
    border-top:1px solid var(--line);
    margin:0 20px;padding-left:0;padding-right:0;padding-top:16px;
  }

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink-950);
    color:#93A69E;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-col h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 16px;}
  .footer-col ul{list-style:none;}
  .footer-col li{margin-bottom:11px;}
  .footer-link{
    color:#93A69E;font-size:14px;
    transition:color .2s ease,text-decoration-color .2s ease;
  }
  .footer-link:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px;}
  .qr-box{
    width:96px;height:96px;border-radius:12px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.10);
    display:flex;align-items:center;justify-content:center;
  }
  .footer-bottom{
    margin-top:44px;padding-top:22px;
    border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;
    font-size:13px;color:#7D908A;
  }

  .section-line-top{
    position:relative;
  }
  .section-line-top::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,var(--brand-600),rgba(15,168,115,0));
  }

  .to-top{
    position:fixed;right:20px;bottom:24px;z-index:50;
    width:46px;height:46px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    background:var(--ink-900);color:#E8F3EE;
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 14px 30px -14px rgba(0,0,0,.6);
    opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease,background .2s ease,transform .2s ease;
  }
  .to-top.is-show{opacity:1;visibility:visible;}
  .to-top:hover{background:var(--brand-600);transform:translateY(-2px);}

  @media (max-width:767px){
    .faq-item summary{font-size:15px;padding:16px 16px;}
    .faq-body{margin:0 16px;padding-top:14px;padding-bottom:4px;}
  }