/* roulang page: index */
:root{
  --brand:#0E8C7F;
  --brand-dark:#0A6B61;
  --brand-soft:#E4F1EE;
  --accent:#FF6B35;
  --accent-dark:#E85A26;
  --accent-soft:#FFEDE5;
  --lime:#C7F04A;
  --ink:#12181B;
  --muted:#46545A;
  --line:#E3E7E5;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1E1C;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(16,24,23,.04),0 8px 24px -12px rgba(16,24,23,.12);
  --shadow-hover:0 16px 34px -16px rgba(16,24,23,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"DIN Alternate","HarmonyOS Sans SC",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .28s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;text-indent:0}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,140,127,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
[id]{scroll-margin-top:136px}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.btn-brand{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,107,53,.85)}
.btn-brand:hover{background:var(--accent-dark);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft:hover{background:#d5eae5;color:var(--brand-dark);transform:translateY(-3px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);position:relative}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--accent);transition:width .28s var(--ease)}
.link-more:hover::after{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 11px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);font-weight:600;letter-spacing:.02em;
}
.badge-chip.is-accent{background:var(--accent-soft);color:#B8410F}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(199,240,74,.28);display:inline-block}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:flex;align-items:center;justify-content:center;position:relative;
}
.brand-mark::before{content:"";width:13px;height:13px;border:2px solid #fff;border-radius:4px;transform:rotate(45deg)}
.brand-mark::after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--lime)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em}
.nav-search{flex:1;display:flex;justify-content:center}
.nav-search form{position:relative;width:240px}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:0 42px 0 18px;font-size:14px;font-family:inherit;
  transition:border-color .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.nav-search input::placeholder{color:#93a09d}
.nav-search input:focus{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(14,140,127,.14);outline:none}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;border:none;background:transparent;
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);
}
.nav-search button:hover{background:var(--brand-soft);color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-channel{position:relative;border-top:1px solid var(--line)}
.nav-channel::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:56px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.95) 100%);
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:none;display:inline-flex;align-items:center;gap:6px;
  padding:0 16px;height:36px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.channel-pill:hover{background:var(--bg);color:var(--brand)}
.channel-pill.active{background:var(--brand-soft);color:var(--brand-dark);border-bottom-color:var(--brand)}
.mobile-drawer{
  position:fixed;top:0;right:0;width:84%;max-width:340px;height:100%;
  background:#fff;z-index:1140;padding:24px 22px;
  transform:translateX(102%);transition:transform .34s var(--ease);
  box-shadow:-18px 0 44px -24px rgba(16,24,23,.28);overflow-y:auto;
}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,30,28,.42);z-index:1130;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--muted)}
.drawer-title{font-size:13px;color:var(--muted);letter-spacing:.12em;margin:26px 0 10px}
.drawer-link{display:block;padding:12px 0;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link:hover{color:var(--brand)}
.drawer-search{display:flex;gap:8px;margin-top:12px}
.drawer-search input{flex:1;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);padding:0 16px;font-family:inherit;font-size:14px}

/* ---------- 快讯条 ---------- */
.ticker{background:#fff;border-bottom:1px solid var(--line)}
.ticker-inner{display:flex;align-items:center;gap:16px;min-height:52px;padding-top:8px;padding-bottom:8px}
.ticker-tag{
  flex:none;display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--accent-soft);color:#B8410F;
}
.ticker-list{display:flex;gap:32px;overflow-x:auto;scrollbar-width:none;font-size:14px;color:var(--muted)}
.ticker-list::-webkit-scrollbar{display:none}
.ticker-list li{flex:none;position:relative;padding-left:14px}
.ticker-list li::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;border-radius:50%;background:var(--brand);transform:translateY(-50%)}

/* ---------- Hero ---------- */
.hero{padding:76px 0 84px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,140,127,.10) 0%,rgba(14,140,127,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;position:relative}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-dark);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28;letter-spacing:-.01em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:rgba(255,107,53,.18);border-radius:4px;z-index:-1}
.hero-lead{font-size:19px;line-height:1.8;color:var(--muted);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics{display:flex;align-items:center;gap:22px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.metric{display:flex;flex-direction:column;line-height:1.3}
.metric b{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand-dark);letter-spacing:-.02em}
.metric span{font-size:13px;color:var(--muted)}
.metric-sep{width:1px;height:34px;background:var(--line)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(14,140,127,.08)}
.hero-media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;font-weight:600;color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:8px;
}

/* ---------- 主张条 ---------- */
.claims{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.claims-inner{display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding:22px 0;overflow-x:auto;scrollbar-width:none}
.claims-inner::-webkit-scrollbar{display:none}
.claim{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:600;color:var(--ink);flex:none}
.claim svg{flex:none;color:var(--brand)}
.claim-sep{width:1px;height:20px;background:var(--line);flex:none}

/* ---------- 通用板块头 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;letter-spacing:-.01em}
.section-head p{margin-top:10px;color:var(--muted);font-size:16px;max-width:640px}
.section-tag{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:12px;display:block}

/* ---------- 故事 / 理念 ---------- */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.story-media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow)}
.story-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .5s ease}
.story-media:hover img{transform:scale(1.04)}
.story-body h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:22px}
.story-body p{color:var(--muted);font-size:17px}
.story-quote{
  margin-top:26px;padding:6px 0 6px 20px;border-left:3px solid var(--brand);
  color:var(--muted);font-size:16px;line-height:1.85;
}

/* ---------- 精选内容 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.fcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.fcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,140,127,.42)}
.fcard-thumb{overflow:hidden;position:relative}
.fcard-thumb img{width:100%;object-fit:cover;transition:transform .5s ease}
.fcard:hover .fcard-thumb img{transform:scale(1.04)}
.fcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.fcard-title{font-size:18px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fcard-title a{color:var(--ink)}
.fcard-title a:hover{color:var(--brand)}
.fcard-excerpt{font-size:15px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.arrow-badge{width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;flex:none;transition:background .28s var(--ease),color .28s var(--ease)}
.fcard:hover .arrow-badge{background:var(--accent);color:#fff}
.feature-big{grid-column:span 4}
.feature-big .fcard-thumb img{aspect-ratio:16/9}
.feature-big .fcard-title{font-size:22px}
.feature-side{grid-column:span 2;display:flex;flex-direction:column;gap:24px}
.feature-side .fcard{flex:1}
.feature-side .fcard-thumb img{aspect-ratio:16/10}
.feature-small{grid-column:span 2;flex-direction:row}
.feature-small .fcard-thumb{width:42%;flex:none}
.feature-small .fcard-thumb img{height:100%;min-height:132px}
.feature-small .fcard-body{padding:16px 18px}
.feature-small .fcard-title{font-size:16px}

/* ---------- 最新信息 ---------- */
.latest{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(14,140,127,.42)}
.news-thumb{display:block;overflow:hidden;background:var(--bg)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand)}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.news-meta .sep{width:4px;height:4px;border-radius:50%;background:#c6cfcd;flex:none}
.empty-state{
  border:1.5px dashed #cfd8d5;border-radius:var(--r-md);background:#fbfbf9;
  padding:52px 24px;text-align:center;
}
.empty-state p{color:var(--muted);margin-bottom:18px}

/* ---------- 信任数据 ---------- */
.trust-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.trust-cell{padding:30px 26px;border-right:1px solid var(--line)}
.trust-cell:last-child{border-right:none}
.trust-cell b{display:block;font-family:var(--mono);font-size:34px;line-height:1.15;color:var(--accent);letter-spacing:-.02em}
.trust-cell span{font-size:14px;color:var(--muted)}
.trust-note{margin-top:22px;color:var(--muted);font-size:15px;max-width:760px}
.logo-row{display:flex;flex-wrap:wrap;gap:36px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.logo-row span{font-size:15px;font-weight:700;color:#a9b3b1;letter-spacing:.06em}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.faq-item details[open]{border-color:rgba(14,140,127,.42);box-shadow:var(--shadow);border-left:4px solid var(--brand)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-ico{position:relative;width:14px;height:14px;flex:none}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .28s var(--ease),opacity .28s var(--ease)}
.faq-ico::before{left:0;top:6px;width:14px;height:2px}
.faq-ico::after{left:6px;top:0;width:2px;height:14px}
.faq-item details[open] .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15.5px}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  background:var(--dark);border-radius:var(--r-lg);padding:52px 56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;right:-90px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:rgba(14,140,127,.22)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:12px;position:relative}
.cta-band p{color:rgba(255,255,255,.68);font-size:15.5px;position:relative}
.sub-form{position:relative}
.sub-field{display:flex;gap:10px;flex-wrap:wrap}
.sub-field input{
  flex:1;min-width:200px;height:52px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.08);
  color:#fff;padding:0 18px;font-size:15px;font-family:inherit;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.sub-field input::placeholder{color:rgba(255,255,255,.48)}
.sub-field input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.14)}
.sub-field input.is-error{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,107,53,.18)}
.sub-field .btn-brand{min-height:52px}
.sub-msg{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.62);min-height:18px}
.sub-msg.is-error{color:#ffb497}
.sub-msg.is-ok{color:#8ee6cd}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:0;padding:64px 0 0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.10)}
.footer-col:first-child{border-left:none;padding-left:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-title{font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.48);margin-bottom:16px;font-weight:700}
.footer-link{display:block;padding:7px 0;font-size:15px;color:rgba(255,255,255,.75)}
.footer-link:hover{color:var(--brand)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.social-row a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1400px){
  .container{max-width:1240px}
}
@media (max-width:1199px){
  .section{padding:80px 0}
  .hero-grid{gap:44px}
  .story-grid{gap:38px}
  .feature-grid{grid-template-columns:repeat(4,1fr)}
  .feature-big{grid-column:span 4}
  .feature-side{grid-column:span 4;flex-direction:row}
  .feature-side .fcard{flex:1}
  .feature-small{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .footer-col{padding:0 0 0 24px}
  .footer-col:nth-child(odd){border-left:none;padding-left:0}
  .cta-band{padding:44px 36px}
}
@media (max-width:991px){
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .hero{padding:60px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-media img{aspect-ratio:16/10}
  .story-grid{grid-template-columns:1fr;gap:30px}
  .story-media img{aspect-ratio:16/10}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-big{grid-column:span 2}
  .feature-side{grid-column:span 2;flex-direction:column}
  .feature-small{grid-column:span 2;flex-direction:row}
  .trust-band{grid-template-columns:repeat(2,1fr)}
  .trust-cell{border-bottom:1px solid var(--line)}
  .trust-cell:nth-child(2n){border-right:none}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:40px 30px}
  .nav-actions .btn-brand{display:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .hero-metrics{flex-wrap:wrap;gap:16px 20px}
  .metric b{font-size:22px}
  .news-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .feature-big,.feature-side,.feature-small{grid-column:span 1}
  .feature-small{flex-direction:column}
  .feature-small .fcard-thumb{width:100%}
  .feature-small .fcard-thumb img{min-height:0;aspect-ratio:16/9}
  .feature-side .fcard-thumb img{aspect-ratio:16/9}
  .cta-band{border-radius:18px;padding:34px 22px}
  .sub-field{flex-direction:column}
  .sub-field input,.sub-field .btn-brand{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col{border-left:none;padding:0;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.10)}
  .footer-col:last-child{border-bottom:none}
  .brand-sub{display:none}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .hero h1{font-size:30px}
  .btn-brand,.btn-ghost{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .trust-band{grid-template-columns:1fr}
  .trust-cell{border-right:none}
  .nav-top{height:56px;gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .fcard:hover,.news-card:hover,.btn-brand:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand:#0E8C7F;
  --brand-deep:#0A6B61;
  --brand-soft:#E4F1EE;
  --accent:#FF6B35;
  --accent-soft:#FFEDE5;
  --lime:#C7F04A;
  --ink:#12181B;
  --text-2:#46545A;
  --line:#E3E7E5;
  --page:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1E1C;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,24,23,.04),0 8px 24px -12px rgba(16,24,23,.12);
  --sh-2:0 16px 34px -16px rgba(16,24,23,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --num:"DIN Alternate","SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
  letter-spacing:.005em;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .28s var(--ease)}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(14,140,127,.35);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32}
p{margin:0 0 1.15em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  position:relative;width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  box-shadow:0 6px 16px -8px rgba(14,140,127,.8);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;
  transform:translate(-50%,-50%) rotate(45deg);
  border-radius:3px;background:var(--lime);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;color:var(--ink)}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.02em}
.nav-search{flex:1 1 auto;display:flex;justify-content:center}
.nav-search form{
  display:flex;align-items:center;width:240px;max-width:100%;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 6px 5px 16px;
  transition:border-color .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.nav-search form:focus-within{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 4px rgba(14,140,127,.10)}
.nav-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);min-width:0;
}
.nav-search input::placeholder{color:#8b979c}
.nav-search button{
  width:32px;height:32px;border:0;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.nav-search button:hover{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;border-radius:999px;border:1px solid var(--accent);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.btn-brand:hover{background:#ef5a24;box-shadow:0 14px 26px -14px rgba(255,107,53,.85);transform:translateY(-2px);color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transform:translateX(-50%);transition:.28s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}

.nav-channel{position:relative;border-top:1px solid var(--line)}
.nav-channel::after{
  content:"";position:absolute;right:0;top:0;height:52px;width:56px;pointer-events:none;
  background:linear-gradient(to right,rgba(255,255,255,0),rgba(255,255,255,.96));
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  position:relative;flex:0 0 auto;padding:8px 14px;border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.channel-pill:hover{color:var(--brand);background:#F1F3F2}
.channel-pill.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:600}
.channel-pill.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}

/* ============ 文章头部 ============ */
.article-head{padding:36px 0 8px;scroll-margin-top:136px}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px}
.breadcrumb-line a{color:var(--brand);font-weight:500}
.breadcrumb-line a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.breadcrumb-line .sep{color:#a9b3b6}
.breadcrumb-line .current{color:#8b979c;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{font-size:clamp(30px,4.2vw,44px);line-height:1.28;word-break:break-word}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-2)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:600;
}
.badge-cat .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.meta-sep{width:4px;height:4px;border-radius:50%;background:#cfd6d5}
.article-cover{margin:32px 0 8px}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-1);
}
.article-cover figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}

/* ============ 阅读流布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 280px;
  gap:48px;justify-content:center;align-items:start;padding:24px 0 var(--sec);
}
.article-body{min-width:0}
.article-content{font-size:17px;line-height:1.9;color:#1c2427}
.article-content p{margin:0 0 1.15em;word-break:break-word}
.article-content h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;
  margin:44px 0 14px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:.95em;border-radius:2px;background:var(--brand);
}
.article-content h3{font-size:20px;line-height:1.45;margin:30px 0 12px}
.article-content h4{font-size:17px;margin:22px 0 10px;color:var(--brand-deep)}
.article-content ul,.article-content ol{padding-left:0;list-style:none;margin:0 0 1.2em}
.article-content ul li{position:relative;padding-left:22px;margin:9px 0}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-content ol{counter-reset:li}
.article-content ol li{position:relative;padding-left:30px;margin:10px 0;counter-increment:li}
.article-content ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.15em;
  font-family:var(--num);font-size:14px;font-weight:700;color:var(--accent);
}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:12px;color:#1d3b37;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:24px auto}
.article-content figure{margin:24px 0}
.article-content figure figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:8px}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--brand-deep)}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-content th{background:var(--brand-soft);color:var(--brand-deep)}
.article-content code{
  background:#F1F3F2;border-radius:6px;padding:2px 6px;font-family:var(--num);font-size:14px;
}
.article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:140px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.side-list{display:flex;flex-direction:column}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;padding:12px 8px;font-size:14px;color:var(--text-2);
  border-top:1px solid var(--line);line-height:1.6;
}
.side-list a:first-child{border-top:0}
.side-list a:hover{background:var(--page);color:var(--brand-deep)}
.side-list .idx{font-family:var(--num);font-size:13px;font-weight:700;color:var(--accent);flex:0 0 auto;padding-top:2px}
.side-nav{display:flex;flex-wrap:wrap;gap:8px}
.side-nav a{
  padding:7px 12px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--text-2);background:#fff;
  transition:.28s var(--ease);
}
.side-nav a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ============ 文末操作 ============ */
.article-foot{margin-top:48px;border-top:1px solid var(--line);padding-top:28px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag-pill{
  padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
}
.action-row{display:flex;flex-wrap:wrap;gap:12px}
.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.btn-ghost{background:var(--accent);border:1px solid var(--accent);color:#fff}
.btn-ghost:hover{background:#ef5a24;box-shadow:0 14px 26px -14px rgba(255,107,53,.85);transform:translateY(-2px);color:#fff}
.btn-line{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}

/* ============ 空态 ============ */
.empty-state{
  border:1px dashed #cfd6d5;border-radius:var(--r-card);background:#fff;
  padding:38px 24px;text-align:center;color:var(--text-2);
}
.empty-state p{font-size:16px;margin-bottom:16px}

/* ============ 通用板块标题 ============ */
.section{padding:var(--sec) 0;scroll-margin-top:136px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,32px)}
.section-head .sub{font-size:14px;color:var(--text-2);margin-top:8px}
.link-more{
  font-size:14px;font-weight:600;color:var(--brand);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .28s var(--ease),color .28s var(--ease);
}
.link-more:hover{color:var(--brand-deep);background-size:100% 2px}

/* ============ 相关推荐卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#bfe0d9}
.post-thumb{overflow:hidden;aspect-ratio:16/9;background:#EEF1F0}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:14px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.75}
.post-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-top:auto}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;transition:.28s var(--ease)}
.faq-item[open]{border-left:4px solid var(--brand);background:var(--brand-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:10px;height:10px;margin-top:7px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .28s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-body{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ============ 订阅 CTA ============ */
.cta-band{
  background:var(--dark);border-radius:24px;padding:48px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,420px);gap:36px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);color:#fff}
.cta-band p{color:rgba(255,255,255,.72);margin:12px 0 0;font-size:15px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 200px;min-height:48px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;outline:none;font-size:15px;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus{border-color:var(--brand);background:rgba(255,255,255,.1)}
.cta-form button{
  min-height:48px;padding:0 24px;border-radius:999px;border:1px solid var(--accent);
  background:var(--accent);color:#fff;font-weight:600;font-size:15px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.cta-form button:hover{background:#ef5a24;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(255,107,53,.9)}
.form-hint{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px;width:100%}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--sec);padding:64px 0 28px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-col{padding-right:24px;border-right:1px solid rgba(255,255,255,.08)}
.footer-col:last-child{border-right:0;padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-weight:700;font-size:16px}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.site-footer p{line-height:1.85;margin-bottom:12px}
.footer-link{display:block;padding:6px 0;color:rgba(255,255,255,.72)}
.footer-link:hover{color:var(--brand)}
.social-row{display:flex;gap:10px;margin-top:14px}
.social-row a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);
  transition:.28s var(--ease);
}
.social-row a:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,140,127,.12)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{max-width:1280px}
  :root{--sec:104px}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding-bottom:72px}
  .article-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 320px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px}
}
@media (max-width:991px){
  :root{--sec:72px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-col{padding-right:0;border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:22px}
  .footer-col:nth-child(3),.footer-col:nth-child(4){border-bottom:0}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:16px}
  .nav-top{height:56px;gap:12px}
  .brand-sub{display:none}
  .nav-search{display:none}
  .nav-search form{width:100%}
  .nav-toggle{display:inline-flex}
  body.nav-open .nav-search{
    display:flex;position:absolute;left:0;right:0;top:56px;
    padding:12px 20px;background:#fff;border-bottom:1px solid var(--line);justify-content:flex-start;
  }
  .btn-brand{display:none}
  .article-head{padding:24px 0 4px}
  .breadcrumb-line .current{max-width:220px}
  .article-content{font-size:16px}
  .article-content h2{margin-top:36px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:20px}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-form input{flex:1 1 100%}
  .cta-form button{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.08)}
  .footer-col:last-child{border-bottom:0}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .article-head h1{font-size:30px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .action-row .btn-ghost,.action-row .btn-line{width:100%}
  .brand-name{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .post-card:hover{transform:none}
  .post-card:hover .post-thumb img{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#0E8C7F;
  --brand-deep:#0A6B61;
  --brand-soft:#E4F1EE;
  --accent:#FF6B35;
  --accent-soft:#FFEDE5;
  --lime:#C7F04A;
  --ink:#12181B;
  --ink-2:#46545A;
  --line:#E3E7E5;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1E1C;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(16,24,23,.04), 0 8px 24px -12px rgba(16,24,23,.12);
  --sh-hover:0 16px 34px -16px rgba(16,24,23,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-num:"DIN Alternate","SF Mono",ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease)}
a:hover{color:var(--brand-deep)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32;text-indent:0}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
h3{font-size:21px;line-height:1.45}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,140,127,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  position:relative;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,#0E8C7F,#0A6B61);
  box-shadow:0 6px 16px -8px rgba(10,107,97,.75);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:0;margin:auto;
  width:13px;height:13px;border:2px solid #fff;border-radius:4px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-sub{font-size:11.5px;color:var(--ink-2);letter-spacing:.06em}
.nav-search{margin-left:auto;max-width:260px;flex:1 1 200px}
.nav-search form{
  display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 16px;height:42px;
  transition:border-color .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search form:focus-within{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(14,140,127,.14)}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;height:40px;
}
.nav-search input::placeholder{color:#8C979B}
.nav-search button{
  display:grid;place-items:center;width:34px;height:34px;
  border:0;border-radius:50%;background:transparent;color:var(--ink-2);
  cursor:pointer;transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-search button:hover{color:var(--brand);background:#EAF3F1}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 22px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  border-radius:var(--r-pill);border:1px solid var(--accent);
  box-shadow:0 8px 18px -12px rgba(255,107,53,.9);
  transition:background-color .22s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.btn-brand:hover{background:#E85A26;border-color:#E85A26;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(255,107,53,.95)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:12px;cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

.nav-channel{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.86);
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  position:relative;display:inline-flex;align-items:center;
  height:36px;padding:0 16px;white-space:nowrap;
  font-size:15px;color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.channel-pill:hover{color:var(--brand);background:#F0F5F3}
.channel-pill.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.channel-pill.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line);
  padding:16px 0 20px;background:#fff;
}
.nav-drawer.open{display:block}
.nav-drawer .drawer-search{margin:0 0 14px}
.nav-drawer .drawer-links{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.nav-drawer .drawer-links a{padding:10px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:15px}
.nav-drawer .drawer-links a:last-child{border-bottom:0}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;scroll-margin-top:136px}
.section-sm{padding:64px 0;scroll-margin-top:136px}
.section-head{margin-bottom:38px;max-width:760px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:17px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--brand);font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-accent{background:var(--accent-soft);color:#C24612}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),color .22s var(--ease),gap .22s var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--brand);gap:10px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  color:var(--ink);font-size:15px;font-weight:600;
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:248px;display:flex;align-items:center;
  border-bottom-left-radius:20px;border-bottom-right-radius:20px;
  background-image:linear-gradient(112deg,rgba(10,107,97,.88),rgba(14,140,127,.58)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.crumb .current{color:rgba(255,255,255,.66)}
.cat-hero h1{color:#fff;margin-bottom:14px;max-width:840px}
.cat-hero .hero-sub{color:rgba(255,255,255,.9);font-size:18px;max-width:640px;margin:0}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:18px;
}

/* ---------- 导语 ---------- */
.intro-wrap{max-width:800px;margin:0 auto}
.intro-wrap p{color:var(--ink-2);font-size:18px;line-height:1.85}
.intro-wrap p strong{color:var(--ink)}
.mini-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
}
.mini-stat{display:flex;flex-direction:column;position:relative;padding-right:26px}
.mini-stat:not(:last-child)::after{
  content:"";position:absolute;right:0;top:6px;bottom:6px;width:1px;background:var(--line);
}
.mini-stat .num{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--brand);line-height:1.2}
.mini-stat .lbl{font-size:13.5px;color:var(--ink-2)}

/* ---------- 编号条列 ---------- */
.step-list{display:flex;flex-direction:column;gap:24px}
.step-item{
  display:grid;grid-template-columns:300px 1fr;gap:32px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE4DF}
.step-media{border-radius:var(--r-img);overflow:hidden;background:#EDEFEE}
.step-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.step-item:hover .step-media img{transform:scale(1.04)}
.step-body{display:flex;flex-direction:column}
.step-no{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--accent);
  letter-spacing:.08em;margin-bottom:10px;
}
.step-no::after{content:"";width:34px;height:1px;background:var(--accent-soft)}
.step-body h3{margin-bottom:12px}
.step-body p{color:var(--ink-2);margin-bottom:1em}
.step-points{margin:4px 0 18px;display:flex;flex-direction:column;gap:8px}
.step-points li{
  position:relative;padding-left:18px;color:var(--ink-2);font-size:15.5px;line-height:1.75;
}
.step-points li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.step-foot{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 22px;transition:border-color .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:#CFE4DF}
.faq-item[open]{border-left:3px solid var(--brand);background:#FBFDFC;box-shadow:var(--sh)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex-shrink:0;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);margin-top:-4px;
  transition:transform .28s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item .faq-body{padding:0 0 22px;color:var(--ink-2);font-size:16px}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:1.45fr 1fr 1.12fr;gap:20px;align-items:stretch}
.cross-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.cross-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE4DF}
.cross-card:nth-child(1){min-height:230px;background:linear-gradient(150deg,#fff 55%,var(--brand-soft))}
.cross-card:nth-child(2){min-height:200px;margin-top:22px}
.cross-card:nth-child(3){min-height:214px;margin-top:8px}
.cross-card h3{margin:14px 0 10px}
.cross-card p{color:var(--ink-2);font-size:15.5px;margin-bottom:18px}
.cross-card .cross-foot{margin-top:auto}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  background:var(--dark);border-radius:24px;padding:44px 44px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  color:#fff;
}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.72);margin:0}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 240px;min-height:48px;padding:0 18px;
  border-radius:var(--r-input);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;outline:none;font-size:15px;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{border-color:var(--brand);background:rgba(14,140,127,.16)}
.sub-form input.is-error{border-color:var(--accent)}
.sub-form button{
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--accent);border:1px solid var(--accent);color:#fff;font-weight:600;
  cursor:pointer;transition:background-color .22s var(--ease),transform .28s var(--ease);
}
.sub-form button:hover{background:#E85A26;border-color:#E85A26;transform:translateY(-2px)}
.form-hint{font-size:13px;color:rgba(255,255,255,.55);margin:12px 0 0;width:100%}
.form-hint.error{color:#FFB79C}
.form-hint.success{color:#9FE3D6}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  margin-top:88px;padding:64px 0 28px;font-size:15px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;
}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.10)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:16.5px;font-weight:700}
.footer-col p{color:rgba(255,255,255,.66);line-height:1.8;margin-bottom:14px}
.footer-title{color:#fff;font-weight:600;font-size:15px;margin-bottom:14px}
.footer-link{
  display:block;color:rgba(255,255,255,.72);padding:6px 0;
  transition:color .22s var(--ease),padding-left .22s var(--ease);
}
.footer-link:hover{color:var(--brand-soft);padding-left:4px}
.social-row{display:flex;gap:10px;margin-top:6px}
.social-row a{
  display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8);
  transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.social-row a:hover{color:#fff;border-color:var(--brand);background:rgba(14,140,127,.22)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--brand-soft)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cross-grid{grid-template-columns:1fr 1fr;gap:20px}
  .cross-card:nth-child(2),.cross-card:nth-child(3){margin-top:0}
  .cross-card:nth-child(3){grid-column:1 / -1;min-height:170px}
}
@media (max-width:991px){
  .nav-search{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn-brand{display:none}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .step-item{grid-template-columns:240px 1fr;gap:24px}
  .cta-band{grid-template-columns:1fr;gap:26px;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col{padding:24px 22px;border-left:0;border-top:1px solid rgba(255,255,255,.10)}
  .footer-col:first-child{padding-top:0;border-top:0;padding-left:22px}
  .footer-col:last-child{padding-right:22px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:clamp(28px,7vw,34px)}
  .nav-top{height:56px}
  .channel-scroll{height:48px}
  .cat-hero{min-height:220px;border-bottom-left-radius:16px;border-bottom-right-radius:16px}
  .cat-hero .container{padding-top:34px;padding-bottom:34px}
  .cat-hero .hero-sub{font-size:16px}
  .intro-wrap p{font-size:16.5px}
  .mini-stats{gap:16px}
  .mini-stat{padding-right:16px}
  .step-item{grid-template-columns:1fr;gap:18px;padding:20px}
  .step-media img{aspect-ratio:16/10}
  .cross-grid{grid-template-columns:1fr}
  .cross-card{min-height:auto !important}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .site-footer{margin-top:56px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:22px 0}
  .footer-col:first-child{padding-left:0}
  .footer-col:last-child{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .step-item:hover,.cross-card:hover,.btn-brand:hover,.btn-ghost:hover{transform:none}
  .step-item:hover .step-media img{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#0E8C7F;
  --brand-deep:#0A6B61;
  --brand-soft:#E4F1EE;
  --accent:#FF6B35;
  --accent-soft:#FFEDE5;
  --lime:#C7F04A;
  --ink:#12181B;
  --ink-2:#46545A;
  --line:#E3E7E5;
  --page:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0F1E1C;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,24,23,.04), 0 8px 24px -12px rgba(16,24,23,.12);
  --shadow-2:0 16px 34px -16px rgba(16,24,23,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.28s var(--ease);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t)}
a:hover{color:var(--brand-deep)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;text-indent:0}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:21px;line-height:1.45}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,140,127,.35);outline-offset:2px;border-radius:6px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{margin:10px 0 0;color:var(--ink-2);font-size:17px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--radius-pill);
  padding:5px 14px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.lead{font-size:19px;line-height:1.8;color:var(--ink-2)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  position:relative;
}
.brand-mark::before{
  content:"";position:absolute;inset:11px 11px 11px 11px;
  border:2.5px solid #fff;border-radius:4px;
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.02em}
.nav-search{flex:1;max-width:320px;display:flex;justify-content:center}
.nav-search form{
  display:flex;align-items:center;width:240px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:0 6px 0 16px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.nav-search form:focus-within{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(14,140,127,.10)}
.nav-search input{
  flex:1;border:0;outline:none;background:transparent;
  padding:10px 0;font-size:14px;color:var(--ink);min-width:0;
}
.nav-search input::placeholder{color:#9AA7A6}
.nav-search button{
  border:0;background:transparent;color:var(--brand);
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  transition:background-color var(--t),color var(--t);
}
.nav-search button:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--accent);
  box-shadow:0 8px 20px -12px rgba(255,107,53,.9);
  transition:transform var(--t),box-shadow var(--t),background-color var(--t);
}
.btn-brand:hover{background:#F2551C;color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-2)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--ink);display:block;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-channel{border-top:1px solid var(--line);position:relative}
.channel-scroll{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;
  padding:8px 16px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  border:1px solid transparent;position:relative;
  transition:color var(--t),background-color var(--t),border-color var(--t);
}
.channel-pill:hover{color:var(--brand);background:#F2F4F3}
.channel-pill.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.channel-pill.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-channel::after{
  content:"";position:absolute;top:0;right:0;width:56px;height:100%;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95));
  pointer-events:none;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 20px 20px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-search{max-width:none;justify-content:stretch}
.mobile-drawer .nav-search form{width:100%;max-width:none}
.mobile-drawer .btn-brand{width:100%;margin-top:14px}

/* ---------- hero ---------- */
.hero-banner{
  position:relative;overflow:hidden;
  border-radius:0 0 20px 20px;
  min-height:250px;
  display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#fff;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(14,140,127,.90),rgba(10,107,97,.72));
}
.hero-inner{position:relative;z-index:2;padding:38px 0 34px;width:100%}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:14px;flex-wrap:wrap}
.breadcrumb-line a{color:rgba(255,255,255,.9)}
.breadcrumb-line a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb-line .sep{opacity:.55}
.breadcrumb-line .current{color:rgba(255,255,255,.68)}
.hero-banner h1{color:#fff;max-width:820px}
.hero-banner .hero-sub{margin-top:14px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.88);max-width:680px}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:start}
.intro-copy p{color:var(--ink-2)}
.intro-aside{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
}
.intro-aside h3{font-size:18px;margin-bottom:16px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-2);line-height:1.75;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--brand);
  margin-top:9px;flex-shrink:0;
}

/* ---------- split: content + faq ---------- */
.split-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}
.content-card{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.content-card + .content-card{margin-top:24px}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,140,127,.35)}
.content-card figure{margin:0;overflow:hidden;border-radius:var(--radius-img);aspect-ratio:4/3;background:var(--brand-soft)}
.content-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.content-card:hover figure img{transform:scale(1.04)}
.content-card h3{margin:10px 0 10px}
.content-card p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;padding:4px 10px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);white-space:nowrap;
}
.tag--accent{background:var(--accent-soft);color:#C64A18}

/* ---------- FAQ ---------- */
.faq-panel{
  position:sticky;top:136px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px 22px;box-shadow:var(--shadow-1);
}
.faq-panel h2{font-size:22px;margin-bottom:6px}
.faq-panel > p{color:var(--ink-2);font-size:15px;margin-bottom:18px}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px!important;
  background:#FCFCFB;margin-bottom:10px;overflow:hidden;
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-button{
  background:transparent;color:var(--ink);font-weight:600;font-size:15.5px;line-height:1.7;
  padding:15px 44px 15px 16px;box-shadow:none!important;border:0;
  border-left:4px solid transparent;transition:background-color var(--t),border-color var(--t),color var(--t);
}
.faq-accordion .accordion-button:hover{background:#F2F4F3;color:var(--brand-deep)}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);
}
.faq-accordion .accordion-button::after{
  width:16px;height:16px;background-size:16px;background-image:none!important;
  border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg);transition:transform var(--t),border-color var(--t);
  margin-top:-6px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);border-color:var(--brand);margin-top:2px;
}
.faq-accordion .accordion-body{
  padding:4px 18px 18px;color:var(--ink-2);font-size:15.5px;line-height:1.85;
  border-left:4px solid var(--brand);background:#FCFCFB;
}

/* ---------- data band ---------- */
.data-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.data-item{padding:30px 26px;border-right:1px solid var(--line)}
.data-item:last-child{border-right:0}
.data-num{
  font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1;
  color:var(--brand);letter-spacing:-.02em;margin-bottom:10px;
}
.data-item:nth-child(2) .data-num{color:var(--accent)}
.data-label{font-size:15px;color:var(--ink-2);line-height:1.7}
.band-note{max-width:760px;margin:26px auto 0;text-align:center;color:var(--ink-2);font-size:16px}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:5fr 3.4fr 3.6fr;gap:22px;align-items:stretch}
.cross-card{
  display:flex;flex-direction:column;justify-content:space-between;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cross-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,140,127,.35)}
.cross-card h3{font-size:19px;margin-bottom:10px}
.cross-card p{color:var(--ink-2);font-size:15.5px;line-height:1.8;margin-bottom:18px}
.cross-card .more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand)}
.cross-card .more svg{transition:transform var(--t)}
.cross-card:hover .more svg{transform:translateX(4px)}
.cross-card--tall{padding:34px 30px}
.cross-card--dark{background:var(--dark);border-color:var(--dark);color:#fff}
.cross-card--dark h3{color:#fff}
.cross-card--dark p{color:rgba(255,255,255,.72)}
.cross-card--dark .more{color:var(--lime)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);border-radius:24px;padding:48px 46px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:40px;align-items:center;color:#fff;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.3vw,28px)}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;font-size:16px}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap}
.subscribe-form input{
  flex:1;min-width:200px;min-height:48px;
  border-radius:var(--radius-input);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;outline:none;
  transition:border-color var(--t),background-color var(--t);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45)}
.subscribe-form input:focus{border-color:var(--brand);background:rgba(255,255,255,.10)}
.subscribe-form input.is-error{border-color:var(--accent)}
.subscribe-form button{
  min-height:48px;padding:0 26px;border:0;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-weight:600;
  transition:background-color var(--t),transform var(--t);
}
.subscribe-form button:hover{background:#F2551C;transform:translateY(-2px)}
.form-msg{width:100%;font-size:12.5px;line-height:1.6;color:var(--accent);margin-top:2px;min-height:18px}
.form-msg.ok{color:var(--lime)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.10)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.01em}
.footer-link{display:block;font-size:14.5px;color:rgba(255,255,255,.72);padding:6px 0}
.footer-link:hover{color:var(--brand)}
.social-row{display:flex;gap:10px;margin-top:16px}
.social-row a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75);
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.social-row a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .split-layout{grid-template-columns:1fr;gap:34px}
  .faq-panel{position:static}
  .intro-grid{grid-template-columns:1fr;gap:34px}
  .cross-grid{grid-template-columns:1fr 1fr;gap:20px}
  .cross-card--tall{padding:28px 26px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .section--tight{padding:58px 0}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .data-band{grid-template-columns:repeat(2,1fr)}
  .data-item:nth-child(2){border-right:0}
  .data-item:nth-child(1),.data-item:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col{padding:22px 24px;border-left:0;border-top:1px solid rgba(255,255,255,.10)}
  .footer-col:first-child,.footer-col:last-child{padding-left:24px;padding-right:24px}
  .footer-col:nth-child(1),.footer-col:nth-child(2){border-top:0}
  .footer-col:nth-child(odd){padding-left:0}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .nav-top{height:56px}
  .brand-mark{width:34px;height:34px;border-radius:11px}
  .brand-mark::before{inset:10px}
  .brand-sub{display:none}
  .nav-actions .btn-brand{display:none}
  .hero-banner{min-height:220px;border-radius:0 0 18px 18px}
  .hero-inner{padding:30px 0 26px}
  .content-card{grid-template-columns:1fr;gap:18px;padding:18px}
  .content-card figure{aspect-ratio:16/9}
  .cross-grid{grid-template-columns:1fr}
  .data-num{font-size:30px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:20px 0}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band{padding:32px 22px;border-radius:20px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  h1{font-size:clamp(28px,7vw,34px)}
  .subscribe-form{flex-direction:column}
  .subscribe-form input,.subscribe-form button{width:100%}
  .data-item{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .content-card:hover,.cross-card:hover{transform:none}
  .content-card:hover figure img{transform:none}
  .btn-brand:hover{transform:none}
}