/* roulang page: index */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--text-1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.shell{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--ink-900);color:#fff;border-color:var(--accent)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:transparent;color:var(--text-1);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--ink-900);background:rgba(11,13,12,.04)}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;padding:6px 0;font-size:14px;font-weight:600;
  color:var(--secondary);background:transparent;border:0;cursor:pointer;position:relative}
.btn-ghost::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);
  transition:width .24s var(--ease)}
.btn-ghost:hover::after{width:100%}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:11px;letter-spacing:.06em;font-weight:600}
.badge-soft{background:rgba(143,191,180,.28);color:var(--secondary)}
.badge-line{border:1px solid var(--line-ink);color:#fff}
.badge-alert{border:1px solid var(--alert);color:var(--alert)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,245,241,.86);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:box-shadow .32s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:.02em}
.brand-div{width:1px;height:16px;background:var(--line)}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.04em}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;color:var(--text-2);transition:color .18s var(--ease)}
.nav-menu a:hover{color:var(--text-1)}
.nav-menu a.is-active{color:var(--text-1);font-weight:600}
.nav-menu a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--accent);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{height:42px;padding:0 18px;font-size:14px}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text-1);position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1)}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.drawer{position:fixed;inset:0 0 0 auto;width:320px;background:var(--ink-900);color:#fff;z-index:90;
  transform:translateX(100%);transition:transform .32s var(--ease);display:flex;flex-direction:column;padding:20px 0}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line-ink)}
.drawer-head strong{font-size:16px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line-ink);border-radius:10px;background:transparent;color:#fff;font-size:18px;cursor:pointer}
.drawer a{display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;color:rgba(255,255,255,.82);
  border-bottom:1px solid var(--line-ink);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.drawer a:hover{color:var(--accent);padding-left:24px}
.drawer a.is-active{color:var(--accent)}
.drawer-mask{position:fixed;inset:0;background:rgba(11,13,12,.45);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .32s var(--ease),visibility .32s var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}

@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-burger{display:inline-flex}
  .nav-cta .btn{display:none}
}

/* ---------- 倒计时条 ---------- */
.countdown-bar{background:var(--ink-900);color:#fff}
.countdown-inner{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0}
.cd-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cd-label{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  border:1px solid var(--alert);color:var(--alert);font-size:12px;letter-spacing:.04em}
.cd-nums{display:flex;align-items:flex-end;gap:8px}
.cd-unit{display:flex;flex-direction:column;align-items:center;line-height:1}
.cd-num{font-size:32px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.05}
.cd-cap{font-size:9px;color:var(--line-ink);margin-top:4px;letter-spacing:.08em}
.cd-sep{color:rgba(255,255,255,.35);font-size:24px;font-weight:700;line-height:1.1}
.cd-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,.82);
  position:relative;min-height:44px}
.cd-link:hover{color:var(--accent)}
@media (max-width:768px){
  .countdown-inner{flex-direction:column;align-items:flex-start;gap:8px;padding:12px 0}
  .cd-num{font-size:20px}
  .cd-sep{font-size:16px}
}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  color:var(--secondary);font-weight:700;margin-bottom:14px}
.eyebrow i{display:block;width:3px;height:16px;border-radius:2px;background:var(--accent)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3.4vw,40px);line-height:1.2;font-weight:700;letter-spacing:.01em}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:60ch}
@media (max-width:768px){:root{--sec:56px}.section{padding:var(--sec) 0}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--paper);padding:76px 0 96px}
.hero::after{content:"";position:absolute;right:-70px;bottom:-70px;width:240px;height:240px;border-radius:50%;
  background:var(--accent);opacity:.12;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(32px,6vw,72px);font-weight:800;line-height:1.06;letter-spacing:.02em}
.hero-sub{margin-top:20px;font-size:18px;color:var(--text-1);font-weight:600;line-height:1.6}
.hero-lead{margin-top:18px;font-size:16px;color:var(--text-2);max-width:34em}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/11;background:#E4E3DD;box-shadow:var(--sh-2)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(11,13,12,.35))}
.hero-caption{position:absolute;left:20px;bottom:18px;z-index:2;color:#fff;font-size:14px;text-shadow:0 1px 6px rgba(0,0,0,.4)}
@media (max-width:1023px){
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{aspect-ratio:16/10}
}

/* ---------- 卖点 ---------- */
.points-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px}
.point-lead{border-top:1px solid var(--line);padding-top:28px}
.point-no{font-size:48px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px var(--text-3);letter-spacing:.02em}
.point-lead h3{margin-top:16px;font-size:20px;font-weight:600}
.point-lead p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:32ch}
.point-list li{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.point-list li:last-child{border-bottom:1px solid var(--line)}
.point-list .idx{font-size:15px;font-weight:700;color:var(--secondary);letter-spacing:.06em;padding-top:4px}
.point-list h3{font-size:20px;font-weight:600}
.point-list p{margin-top:8px;font-size:15px;color:var(--text-2)}
@media (max-width:1023px){.points-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink-900);color:#fff;padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border-left:1px solid var(--line-ink);padding-left:20px}
.stat strong{display:block;font-size:36px;font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.68)}
@media (max-width:768px){
  .stats{padding:40px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat strong{font-size:26px}
}

/* ---------- Bento 图墙 ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:158px;gap:16px}
.bento-item{position:relative;overflow:hidden;border-radius:14px;background:#E4E3DD;
  border:1px solid transparent;transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease)}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .56s var(--ease)}
.bento-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,.05),rgba(11,13,12,.7));
  transition:background .32s var(--ease)}
.bento-item:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--sh-2)}
.bento-item:hover img{transform:scale(1.03)}
.bento-item:hover::after{background:linear-gradient(180deg,rgba(11,13,12,.2),rgba(11,13,12,.85))}
.bento-item .bin{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff;transition:transform .32s var(--ease)}
.bento-item:hover .bin{transform:translateY(-4px)}
.bento-item .bin strong{display:block;font-size:15px;font-weight:600;line-height:1.5}
.bento-item .bin em{display:block;font-style:normal;font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.7);margin-top:4px}
.bento-item.big{grid-column:span 2;grid-row:span 2}
.bento-item.big .bin strong{font-size:24px;line-height:1.35}
.bento-item .go{display:inline-block;margin-top:6px;font-size:12px;color:var(--accent);opacity:0;transform:translateY(4px);
  transition:opacity .32s var(--ease),transform .32s var(--ease)}
.bento-item:hover .go{opacity:1;transform:translateY(0)}
@media (max-width:1023px){
  .bento{grid-auto-rows:150px}
  .bento-item.big .bin strong{font-size:19px}
}
@media (max-width:768px){
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:120px;gap:12px}
  .bento-item.big{grid-column:span 2;grid-row:span 1}
}

/* ---------- 参与区块 ---------- */
.join{background:var(--ink-900);color:#fff;padding:88px 0}
.join-grid{display:grid;grid-template-columns:6fr 5fr;gap:52px;align-items:start}
.join h2{font-size:clamp(24px,3.4vw,40px);line-height:1.2;font-weight:700;color:#fff}
.join-desc{margin-top:16px;font-size:16px;color:rgba(255,255,255,.72);max-width:36ch}
.join-list{margin-top:28px}
.join-list li{display:flex;gap:12px;padding:12px 0;font-size:15px;color:rgba(255,255,255,.86);
  border-bottom:1px solid var(--line-ink)}
.join-list li:first-child{border-top:1px solid var(--line-ink)}
.tick{flex:none;width:16px;height:16px;margin-top:6px}
.tick path{stroke:var(--accent);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.join-note{margin-top:22px;font-size:12px;color:var(--text-3);line-height:1.7;max-width:44ch}
.form-card{background:var(--surface);color:var(--text-1);border-radius:14px;padding:28px;box-shadow:var(--sh-3)}
.form-card h3{font-size:20px;font-weight:600}
.form-card .form-tip{margin-top:8px;font-size:14px;color:var(--text-2)}
.field{margin-top:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.field input,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#FCFCFA;font-size:15px;color:var(--text-1);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}
.form-card .btn{margin-top:22px}
.form-hint{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.7}
@media (max-width:1023px){
  .join{padding:64px 0}
  .join-grid{grid-template-columns:1fr;gap:32px}
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px}
.news-feature{grid-column:1;grid-row:1 / span 4;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);display:flex;flex-direction:column}
.news-feature:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--sh-2)}
.news-feature .thumb{aspect-ratio:16/10;overflow:hidden;background:#E4E3DD}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .56s var(--ease)}
.news-feature:hover .thumb img{transform:scale(1.03)}
.news-feature .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-feature h3{font-size:18px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-line{grid-column:2;display:grid;grid-template-columns:96px 1fr;gap:16px;padding:14px;border:1px solid var(--line);
  border-radius:14px;background:var(--surface);
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease)}
.news-line:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--sh-2)}
.news-line .thumb{width:96px;height:72px;border-radius:10px;overflow:hidden;background:#E4E3DD}
.news-line .thumb img{width:100%;height:100%;object-fit:cover}
.news-line h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-line p{margin-top:6px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--text-3);margin-top:8px}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.news-empty{border:1px dashed var(--line);border-radius:14px;min-height:120px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;color:var(--text-3);font-size:15px;background:rgba(255,255,255,.6)}
@media (max-width:768px){
  .news-grid{grid-template-columns:1fr;gap:14px}
  .news-feature{grid-column:1;grid-row:auto}
  .news-line{grid-column:1}
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:22px 0;background:transparent;border:0;
  text-align:left;cursor:pointer;font-size:17px;font-weight:600;color:var(--text-1);transition:color .18s var(--ease)}
.faq-q:hover{color:var(--secondary)}
.faq-icon{flex:none;position:relative;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--text-3);border-radius:2px;
  transition:transform .32s var(--ease),background-color .32s var(--ease)}
.faq-icon::before{left:9px;top:3px;width:2px;height:14px}
.faq-icon::after{left:3px;top:9px;width:14px;height:2px}
.faq-item.is-open .faq-icon::before{transform:scaleY(0)}
.faq-item.is-open .faq-icon::after{background:var(--accent)}
.faq-item.is-open .faq-q{color:var(--secondary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 36px 22px 36px;font-size:15px;color:var(--text-2)}

/* ---------- 结尾 CTA ---------- */
.cta-band{padding:72px 0}
.cta-inner{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-1)}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:768px){.cta-inner{padding:26px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#fff;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(255,255,255,.62);max-width:34ch}
.footer-brand .legal{margin-top:16px;font-size:12px;color:var(--text-3);line-height:1.7}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--secondary-soft);font-weight:700}
.footer-col ul{margin-top:18px}
.footer-col li{margin-bottom:2px}
.footer-col a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:var(--line-ink);
  transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col .info{display:block;padding:10px 0;font-size:14px;color:rgba(255,255,255,.66);min-height:44px}
.footer-bottom{margin-top:56px;border-top:1px solid var(--line-ink);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:span 2}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
}

/* ---------- 底部 Tab ---------- */
.tabbar{display:none}
@media (max-width:768px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px)}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--surface);
    border-top:1px solid var(--line);height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom)}
  .tabbar a{flex:1;min-width:44px;min-height:44px;display:flex;flex-direction:column;align-items:center;
    justify-content:center;gap:3px;font-size:11px;color:var(--text-3);position:relative}
  .tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .tabbar a.is-active{color:var(--secondary)}
  .tabbar a.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;background:var(--accent);border-radius:2px}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .56s var(--ease),transform .56s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .2s linear}
  .bento-item:hover,.news-feature:hover,.news-line:hover,.news-line:hover,.btn:active{transform:none}
  .bento-item:hover img,.news-feature:hover .thumb img{transform:none}
  .cd-num{transition:none}
  *{animation:none !important}
}

/* roulang page: article */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;background:#EFEEE9}
a{color:var(--secondary);text-decoration:none;transition:color 180ms var(--ease),border-color 180ms var(--ease),background-color 180ms var(--ease)}
a:hover{color:var(--ink-900)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.shell{padding:0 32px}}
.reveal{opacity:0;transform:translateY(14px);transition:opacity 560ms var(--ease),transform 560ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,.62);
  border-bottom:1px solid var(--line);
  transition:background-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-scrolled{background:rgba(246,245,241,.94);backdrop-filter:blur(6px);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-900)}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink-900)}
.brand-div{width:1px;height:18px;background:var(--line);display:inline-block}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.02em;white-space:nowrap}
.nav-menu{display:none;align-items:center;gap:26px;margin-left:auto}
.nav-menu a{position:relative;font-size:15px;color:var(--text-2);padding:6px 0}
.nav-menu a::after{content:"";position:absolute;left:0;right:auto;bottom:0;width:0;height:2px;background:var(--accent);transition:width 240ms var(--ease)}
.nav-menu a:hover{color:var(--ink-900)}
.nav-menu a:hover::after{width:100%}
.nav-menu a.is-active{color:var(--ink-900);font-weight:600}
.nav-menu a.is-active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);cursor:pointer}
.nav-burger span{position:relative;display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
@media (min-width:1024px){
  .nav-menu{display:flex}
  .nav-burger{display:none}
  .nav-cta{margin-left:0}
}
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;pointer-events:none}
.drawer::before{content:"";position:absolute;inset:0;background:rgba(11,13,12,.5);opacity:0;transition:opacity 320ms var(--ease)}
.drawer-panel{position:absolute;top:0;right:0;width:320px;max-width:86vw;height:100%;background:var(--ink-900);padding:24px 0;transform:translateX(100%);transition:transform 320ms var(--ease);overflow-y:auto}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer.is-open::before{opacity:1}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 18px;border-bottom:1px solid var(--line-ink)}
.drawer-head .brand-mark{color:#fff;font-size:17px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line-ink);background:transparent;color:#fff;border-radius:var(--r-btn);font-size:18px;line-height:1;cursor:pointer}
.drawer-nav a{display:flex;align-items:center;height:48px;padding:0 20px;color:rgba(255,255,255,.78);font-size:15px;border-bottom:1px solid var(--line-ink)}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--accent);background:rgba(255,255,255,.03)}
.drawer-note{padding:18px 20px;font-size:12px;color:rgba(255,255,255,.42);line-height:1.7}

/* ---------- 倒计时条 ---------- */
.ticker{background:var(--ink-900);color:#fff}
.ticker-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px;min-height:48px;padding:8px 0}
.ticker-tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border:1px solid var(--alert);border-radius:999px;font-size:12px;letter-spacing:.06em;color:#fff}
.ticker-clock{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums;color:var(--accent);font-size:32px;font-weight:700;letter-spacing:.02em;line-height:1.1}
.ticker-clock .unit{font-size:9px;color:rgba(255,255,255,.42);letter-spacing:.08em;margin:0 6px 0 2px;font-weight:400}
.ticker-link{margin-left:auto;font-size:13px;color:rgba(255,255,255,.7);border-bottom:1px solid transparent}
.ticker-link:hover{color:var(--accent);border-color:var(--accent)}
@media (max-width:768px){
  .ticker-inner{gap:8px;padding:10px 0}
  .ticker-clock{font-size:20px}
  .ticker-link{margin-left:0;width:100%}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease)}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--ink-900);color:var(--accent);border-color:var(--accent)}
.btn-outline{background:transparent;color:var(--text-1);border-color:var(--line)}
.btn-outline:hover{border-color:var(--accent);color:var(--ink-900);background:rgba(196,240,60,.14)}
.btn-ghost{background:transparent;color:var(--secondary);padding:0;height:auto;border:0}
.btn-ghost:hover{color:var(--ink-900)}
.btn-ghost .arw{transition:transform 180ms var(--ease)}
.btn-ghost:hover .arw{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.pill{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:11px;letter-spacing:.04em;background:rgba(143,191,180,.28);color:var(--secondary);white-space:nowrap}

/* ---------- 文章头图区 ---------- */
.article-hero{
  position:relative;
  background-color:var(--ink-900);
  background-image:linear-gradient(180deg,rgba(11,13,12,.78),rgba(11,13,12,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:52px 0 56px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.55);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:rgba(255,255,255,.3)}
.crumb .now{color:rgba(255,255,255,.45)}
.article-hero h1{font-size:clamp(28px,4.4vw,48px);font-weight:800;line-height:1.16;letter-spacing:.02em;color:#fff;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:12px;color:rgba(255,255,255,.6)}
.article-meta .dot{color:rgba(255,255,255,.28)}
.article-meta .lead{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;background:rgba(196,240,60,.16);color:var(--accent);font-size:11px;letter-spacing:.04em}

/* ---------- 正文 ---------- */
.article-main{padding:56px 0 72px}
.article-wrap{max-width:760px;margin:0 auto}
.entry{font-size:16px;color:var(--text-2)}
.entry>*:first-child{margin-top:0}
.entry p{margin:0 0 18px;line-height:1.85}
.entry h2{position:relative;font-size:26px;line-height:1.35;color:var(--text-1);margin:40px 0 16px;padding-left:14px;font-weight:700}
.entry h2::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:16px;border-radius:2px;background:var(--accent)}
.entry h3{font-size:19px;color:var(--text-1);margin:28px 0 12px;font-weight:600}
.entry ul,.entry ol{margin:0 0 20px;padding-left:0;list-style:none}
.entry ul li,.entry ol li{position:relative;padding-left:18px;margin-bottom:10px;line-height:1.8;color:var(--text-2)}
.entry ul li::before{content:"";position:absolute;left:0;top:.72em;width:4px;height:4px;border-radius:1px;background:var(--accent)}
.entry ol{counter-reset:li}
.entry ol li::before{counter-increment:li;content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;font-size:12px;font-weight:700;color:var(--secondary)}
.entry blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent);background:#EFEEE9;border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2)}
.entry img{border-radius:var(--r-card);margin:24px 0;width:100%}
.entry a{color:var(--secondary);border-bottom:1px solid var(--secondary-soft)}
.entry a:hover{color:var(--ink-900);border-color:var(--accent)}
.entry strong{color:var(--text-1)}
.entry hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.entry table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.entry th,.entry td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.entry th{background:#EFEEE9;color:var(--text-1);font-weight:600}
.entry figcaption{font-size:12px;color:var(--text-3);margin-top:-16px;margin-bottom:24px;text-align:center}
.empty-box{max-width:760px;margin:0 auto;padding:48px 28px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);text-align:center}
.empty-box h2{font-size:22px;margin-bottom:12px}
.empty-box p{color:var(--text-2);margin-bottom:22px}

/* ---------- 标签 / 上下篇 ---------- */
.tag-block{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-block .label{font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase}
.post-nav{margin-top:32px;display:grid;grid-template-columns:1fr;gap:14px}
.post-nav a{display:block;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color 320ms var(--ease),box-shadow 320ms var(--ease),transform 320ms var(--ease)}
.post-nav a:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px)}
.post-nav .k{font-size:12px;color:var(--text-3);letter-spacing:.06em;display:block;margin-bottom:6px}
.post-nav .t{font-size:16px;font-weight:600;color:var(--text-1)}
.post-nav .r{text-align:left}
@media (min-width:768px){
  .post-nav{grid-template-columns:1fr 1fr}
  .post-nav .r{text-align:right}
}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 var(--sec);background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;position:relative;padding-left:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.36em;width:3px;height:16px;border-radius:2px;background:var(--accent)}
.sec-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.rel-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:border-color 320ms var(--ease),box-shadow 320ms var(--ease),transform 320ms var(--ease)}
.rel-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px)}
.rel-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#EFEEE9}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 560ms var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:600}
.rel-body h3 a{color:var(--text-1)}
.rel-body h3 a:hover{color:var(--secondary)}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.7}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}
.rel-foot .go{color:var(--secondary);font-weight:600}
.rel-foot .go:hover{color:var(--ink-900)}

/* ---------- CTA 条 ---------- */
.cta-strip{background:var(--ink-900);color:#fff;padding:64px 0}
.cta-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.cta-strip h2{color:#fff;font-size:clamp(24px,3.2vw,34px);line-height:1.25;position:relative;padding-left:14px}
.cta-strip h2::before{content:"";position:absolute;left:0;top:.36em;width:3px;height:16px;border-radius:2px;background:var(--accent)}
.cta-strip p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.68);max-width:560px}
.cta-note{margin-top:20px;font-size:12px;color:var(--text-3);line-height:1.7}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-strip .btn-outline{color:#fff;border-color:var(--line-ink)}
.cta-strip .btn-outline:hover{border-color:var(--accent);color:var(--accent);background:transparent}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.15fr .85fr}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
.footer-brand .brand-mark{display:block;font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-brand .legal{margin-top:14px;font-size:12px;color:var(--text-3)}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--secondary-soft);margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:2px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:10px 0;transition:color 180ms var(--ease),transform 180ms var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col .info{display:block;font-size:14px;color:rgba(255,255,255,.6);padding:8px 0}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line-ink);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.5)}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
@media (min-width:1024px){.site-footer{padding-top:80px}}

/* ---------- 移动底部 Tab ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tabbar a,.tabbar button{position:relative;flex:1;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-3);background:none;border:0;cursor:pointer;padding:6px 2px}
.tabbar svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.is-active,.tabbar button.is-active{color:var(--secondary)}
.tabbar a.is-active::before,.tabbar button.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:2px;background:var(--accent);border-radius:0 0 2px 2px}
@media (min-width:769px){.tabbar{display:none}}
@media (max-width:768px){body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px)}}
@media (max-width:768px){
  .article-hero{padding:34px 0 38px}
  .article-main{padding:36px 0 48px}
  .related{padding:48px 0 64px}
  .cta-strip{padding:48px 0}
  .site-footer{padding-top:48px}
  .brand-sub{display:none}
  .brand-div{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:1ms !important;animation-duration:1ms !important}
  .reveal{transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-y:112px;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;background:transparent;}
a:hover,a:focus{color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{list-style:none;padding:0;}
button{font-family:inherit;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.foundation-default-fix a{color:inherit;}

/* ---------- layout ---------- */
.shell{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){ .shell{padding:0 32px;} }

.section{padding:var(--sec-y) 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:var(--surface);}
.section--ink{background:var(--ink-900);color:#EDEDEA;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--secondary);font-weight:700;
}
.eyebrow::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--accent);
}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{
  font-size:clamp(24px,3.4vw,40px);
  font-weight:700;line-height:1.2;letter-spacing:.01em;
  margin:14px 0 14px;
}
.sec-head p{color:var(--text-2);font-size:16px;max-width:62ch;}
.section--ink .sec-head h2{color:#fff;}
.section--ink .sec-head p{color:rgba(255,255,255,.68);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,245,241,.94);
  box-shadow:var(--sh-1);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink-900);
}
.brand-div{width:1px;height:18px;background:var(--line);}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.04em;white-space:nowrap;}
.nav-menu{display:none;}
.nav-menu a{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 2px;transition:color .18s var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--accent);transition:right .32s var(--ease);
}
.nav-menu a:hover{color:var(--ink-900);}
.nav-menu a:hover::after{right:0;}
.nav-menu a.is-active{color:var(--ink-900);font-weight:600;}
.nav-menu a.is-active::after{right:0;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-cta .btn-primary{display:none;}
.nav-burger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:center;padding:0;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-burger:hover{border-color:var(--accent);}
.nav-burger span{position:relative;display:block;width:18px;height:2px;background:var(--ink-900);}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
@media (min-width:1024px){
  .nav-menu{display:flex;align-items:center;gap:34px;}
  .nav-burger{display:none;}
  .nav-cta .btn-primary{display:inline-flex;}
}
@media (max-width:1023px){
  .brand-sub{display:none;}
  .nav-menu{
    display:flex;flex-direction:column;gap:0;
    position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
    background:var(--ink-900);padding:88px 20px 24px;
    transform:translateX(100%);transition:transform .32s var(--ease);
    z-index:70;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{
    font-size:16px;color:rgba(255,255,255,.86);
    height:48px;display:flex;align-items:center;
    border-bottom:1px solid var(--line-ink);padding:0;
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--accent);font-weight:600;}
  .nav-mask{
    position:fixed;inset:0;background:rgba(11,13,12,.5);
    opacity:0;visibility:hidden;transition:opacity .28s var(--ease);z-index:65;
  }
  .nav-mask.is-open{opacity:1;visibility:visible;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.btn-primary:hover{background:var(--ink-900);color:var(--accent);border-color:var(--accent);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--text-1);border-color:var(--line);}
.btn-outline:hover{border-color:var(--ink-900);background:var(--surface);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  height:auto;padding:0;border:0;background:none;color:var(--secondary-strong,var(--secondary));
  font-weight:600;font-size:15px;
}
.btn-ghost .arrow{transition:transform .18s var(--ease);}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.link-line{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--secondary);
}
.link-line::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:var(--accent);transition:width .32s var(--ease);
}
.link-line:hover::after{width:100%;}
.section--ink .link-line{color:var(--accent);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;color:var(--text-3);padding:14px 0;
}
.crumb a{color:var(--text-2);transition:color .18s var(--ease);}
.crumb a:hover{color:var(--ink-900);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--text-3);}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;
  background:var(--ink-900) url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.55),rgba(11,13,12,.78));
}
.page-banner .shell{position:relative;z-index:2;}
.banner-inner{
  min-height:280px;
  display:flex;flex-direction:column;justify-content:center;
  padding:56px 0 60px;
}
@media (min-width:768px){ .banner-inner{min-height:340px;padding:70px 0 74px;} }
.banner-pill{
  display:inline-flex;align-items:center;height:22px;padding:0 12px;border-radius:999px;
  font-size:11px;letter-spacing:.08em;
  border:1px solid rgba(196,240,60,.6);color:var(--accent);
  background:rgba(196,240,60,.08);width:fit-content;
}
.page-banner h1{
  font-size:clamp(32px,6vw,64px);
  font-weight:800;line-height:1.06;letter-spacing:.02em;
  margin:18px 0 16px;color:#fff;
}
.banner-lead{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);
  max-width:56ch;
}
.banner-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.04em;
}

/* ---------- kpi ---------- */
.kpi-row{margin-top:0;}
.kpi-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;height:100%;
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.kpi-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px);}
.kpi-num{
  font-size:38px;font-weight:800;line-height:1;
  color:var(--ink-900);font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.kpi-num small{font-size:14px;font-weight:600;color:var(--secondary);margin-left:6px;letter-spacing:.02em;}
.kpi-label{margin-top:10px;font-size:13px;color:var(--text-2);}
.kpi-note{margin-top:4px;font-size:12px;color:var(--text-3);}
.kpi-strip{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:8px;box-shadow:var(--sh-1);
}
.kpi-strip .kpi-card{border:0;box-shadow:none;background:transparent;}
.kpi-strip .kpi-card:hover{transform:none;box-shadow:none;border-color:transparent;}

/* ---------- timeline ---------- */
.timeline{margin-top:8px;}
.tl-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding-bottom:32px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-axis{position:relative;display:flex;justify-content:center;}
.tl-axis::before{
  content:"";position:absolute;top:0;bottom:-32px;width:1px;background:var(--line);
}
.tl-item:last-child .tl-axis::before{display:none;}
.tl-dot{
  position:relative;z-index:1;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--secondary);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.tl-item.is-key .tl-dot{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.tl-body:hover{border-color:var(--accent);box-shadow:var(--sh-2);}
.tl-body h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--text-2);max-width:64ch;}
.tl-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- tags / badges ---------- */
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:11px;letter-spacing:.06em;
  background:rgba(143,191,180,.28);color:var(--secondary);
}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--text-2);}
.tag--ink{background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);border:1px solid var(--line-ink);}

/* ---------- steps ---------- */
.step-grid{margin-top:8px;}
.step-card{
  height:100%;padding:26px 22px 24px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.step-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px);}
.step-num{
  font-size:44px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px var(--secondary-soft);
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;font-weight:600;margin:16px 0 8px;}
.step-card p{font-size:15px;color:var(--text-2);}
.step-bar{height:3px;width:28px;border-radius:2px;background:var(--accent);margin-top:18px;}

/* ---------- scenario ---------- */
.scena-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.scena-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px);}
.scena-thumb{position:relative;aspect-ratio:16/10;background:#E9E8E2;overflow:hidden;}
.scena-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .56s var(--ease);}
.scena-card:hover .scena-thumb img{transform:scale(1.03);}
.scena-body{padding:20px;}
.scena-body h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.scena-body p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- faq ---------- */
.faq{margin-top:8px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:22px 0;
  display:flex;align-items:flex-start;gap:14px;
  font-size:17px;font-weight:600;color:var(--text-1);
  text-align:left;cursor:pointer;line-height:1.6;
}
.faq-q:hover{color:var(--secondary);}
.faq-icon{
  flex:0 0 20px;width:20px;height:20px;position:relative;margin-top:4px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);
  transform:translate(-50%,-50%);transition:background .32s var(--ease),transform .32s var(--ease),opacity .32s var(--ease);
}
.faq-icon::before{width:14px;height:1.6px;}
.faq-icon::after{width:1.6px;height:14px;}
.faq-item.is-open .faq-icon::before{background:var(--accent);}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{padding:0 34px 24px 34px;font-size:15px;color:var(--text-2);max-width:72ch;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink-900);color:#fff;border-radius:var(--r-card);
  padding:38px 28px;display:flex;flex-wrap:wrap;gap:22px;
  align-items:center;justify-content:space-between;
  border:1px solid var(--line-ink);
}
.cta-band .cta-text{max-width:56ch;}
.cta-band .cta-title{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.3;letter-spacing:.01em;}
.cta-band .cta-sub{margin-top:10px;font-size:15px;color:rgba(255,255,255,.68);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- related ---------- */
.rel-card{
  display:block;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.rel-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px);}
.rel-card h3{font-size:17px;font-weight:600;margin:14px 0 8px;}
.rel-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
.rel-card .link-line{margin-top:16px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  padding:76px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:48px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;} }
.footer-brand .brand-mark{color:#fff;font-size:20px;font-weight:800;display:block;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:44ch;}
.footer-brand .legal{margin-top:14px;font-size:12px;color:rgba(255,255,255,.42);line-height:1.75;}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;color:var(--secondary-soft);
  font-weight:700;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;}
.footer-col li a{
  display:flex;align-items:center;min-height:44px;
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col .info{
  display:block;font-size:13px;color:rgba(255,255,255,.56);
  line-height:1.8;margin-bottom:10px;
}
.footer-bottom{
  border-top:1px solid var(--line-ink);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.45);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  display:none;
}
@media (max-width:768px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px);}
  .tabbar{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:var(--surface);border-top:1px solid var(--line);
  }
  .tabbar a{
    position:relative;
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;min-height:56px;min-width:44px;
    font-size:11px;color:var(--text-3);
  }
  .tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .tabbar a.is-active{color:var(--secondary);}
  .tabbar a.is-active::before{
    content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--accent);
  }
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .56s var(--ease),transform .56s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s linear;}
  .scena-thumb img,.kpi-card,.step-card,.rel-card,.tl-body{transition:none;}
  .scena-card:hover .scena-thumb img{transform:none;}
}

/* ---------- foundation gutters ---------- */
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-24px;}
.grid-margin-y>.cell{margin-top:24px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec-y:80px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  body{font-size:15px;}
  .banner-meta{gap:8px 16px;}
  .tl-item{grid-template-columns:44px 1fr;gap:14px;}
  .tl-dot{width:38px;height:38px;font-size:12px;}
  .tl-body{padding:18px;}
  .faq-q{font-size:16px;}
  .faq-a-inner{padding:0 0 20px 34px;}
  .cta-band{padding:28px 20px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .kpi-num{font-size:30px;}
  .step-num{font-size:36px;}
  .page-banner h1{letter-spacing:.01em;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-y:112px;
  --font:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;

  /* 覆盖 Foundation 默认色板 */
  --primary-color:#14544A;
  --secondary-color:#C4F03C;
  --success-color:#14544A;
  --warning-color:#E2542C;
  --alert-color:#E2542C;
  --global-font-color:#16181A;
  --global-radius:14px;
  --body-font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --button-background:#C4F03C;
  --button-color:#0B0D0C;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;height:auto;background:#E7E6E0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--text-1);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
h1,h2,h3,h4{color:var(--text-1);font-weight:700;}
::selection{background:var(--accent);color:var(--accent-ink);}

.shell{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:0 0 8px 0;
}
.skip:focus{left:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(246,245,241,.86);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .32s var(--ease),background-color .32s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:var(--sh-1);
  background:rgba(246,245,241,.96);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--text-1);
}
.brand-div{
  width:1px;
  height:16px;
  background:var(--line);
  display:inline-block;
}
.brand-sub{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-3);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-menu a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s var(--ease);
}
.nav-menu a:hover{color:var(--text-1);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--text-1);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  position:relative;
}
.nav-burger span,
.nav-burger span::before,
.nav-burger span::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:18px;height:2px;
  background:var(--text-1);
  transform:translate(-50%,-50%);
  transition:transform .32s var(--ease),opacity .2s var(--ease);
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
.nav-burger[aria-expanded="true"] span{background:transparent;}
.nav-burger[aria-expanded="true"] span::before{transform:translate(-50%,-50%) rotate(45deg);top:50%;}
.nav-burger[aria-expanded="true"] span::after{transform:translate(-50%,-50%) rotate(-45deg);top:50%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:var(--accent-ink);
  border-color:var(--accent);
}
.btn-primary:hover{
  background:var(--ink-900);
  color:var(--accent);
  border-color:var(--accent);
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost-outline{
  background:transparent;
  color:var(--text-1);
  border-color:var(--line);
}
.btn-ghost-outline:hover{
  border-color:var(--accent);
  background:var(--surface);
}
.btn-ghost-outline.on-dark{
  color:#fff;
  border-color:var(--line-ink);
}
.btn-ghost-outline.on-dark:hover{
  color:var(--accent);
  border-color:var(--accent);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--secondary);
  padding:4px 0;
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow svg{width:14px;height:14px;}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,13,12,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .32s var(--ease),visibility .32s var(--ease);
  z-index:75;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:320px;max-width:86vw;
  height:100%;
  background:var(--ink-900);
  z-index:80;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  padding:26px 0 40px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-brand{
  padding:0 24px 20px;
  border-bottom:1px solid var(--line-ink);
  color:#fff;
  font-size:17px;
  font-weight:800;
  letter-spacing:.02em;
}
.mobile-drawer .drawer-brand small{
  display:block;
  margin-top:6px;
  font-size:12px;
  font-weight:400;
  letter-spacing:.06em;
  color:var(--secondary-soft);
}
.mobile-drawer nav a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 24px;
  color:rgba(255,255,255,.82);
  font-size:15px;
  border-bottom:1px solid var(--line-ink);
}
.mobile-drawer nav a:hover{color:var(--accent);}
.mobile-drawer nav a.is-active{color:var(--accent);font-weight:600;}
.mobile-drawer .drawer-cta{padding:24px;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* ============ 页面窄头图 ============ */
.page-banner{
  position:relative;
  overflow:hidden;
  background-color:#0B0D0C;
  background-image:linear-gradient(180deg,rgba(11,13,12,.72),rgba(11,13,12,.56)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-banner::before{
  content:"";
  display:block;
  padding-top:37.5%; /* 16 : 6 */
}
.page-banner .banner-inner{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:34px 0 44px;
}
.crumb{
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.68);
  margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.68);}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{margin:0 8px;color:rgba(255,255,255,.35);}
.crumb .current{color:var(--secondary-soft);}
.page-banner h1{
  color:#fff;
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:.02em;
  max-width:840px;
}
.page-banner .banner-sub{
  margin-top:16px;
  font-size:clamp(15px,1.6vw,17px);
  color:rgba(255,255,255,.8);
  max-width:640px;
  line-height:1.7;
}
.banner-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.banner-tags span{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--line-ink);
  background:rgba(255,255,255,.06);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--secondary-soft);
}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0;}
.section-tight{padding:calc(var(--sec-y) * .72) 0;}
.section-dark{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
}
.section-dark h2,.section-dark h3{color:#fff;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:52px;
}
.sec-head-left{max-width:720px;}
.sec-index{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--text-3);
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.sec-index::before{
  content:"";
  width:3px;height:16px;
  border-radius:2px;
  background:var(--accent);
}
.sec-head h2{
  font-size:clamp(24px,3.4vw,40px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:.01em;
}
.sec-head p{
  margin-top:14px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.section-dark .sec-head p{color:rgba(255,255,255,.64);}

/* ============ 交错图文 ============ */
.zigzag{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding:56px 0;
  border-top:1px solid var(--line);
}
.zigzag:first-child{border-top:0;padding-top:0;}
.zigzag:last-child{padding-bottom:0;}
.zigzag.reverse .zz-media{order:2;}
.zigzag.reverse .zz-text{order:1;}
.zz-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  background:#E7E6E0;
  box-shadow:var(--sh-1);
}
.zz-media img{
  width:100%;
  aspect-ratio:16 / 11;
  object-fit:cover;
  transition:transform .56s var(--ease);
}
.zz-media:hover img{transform:scale(1.03);}
.zz-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,13,12,.28));
  pointer-events:none;
}
.zz-step{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:22px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(143,191,180,.24);
  color:var(--secondary);
  font-size:11px;
  letter-spacing:.08em;
  font-weight:600;
  margin-bottom:18px;
}
.zz-text h3{
  font-size:22px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:14px;
}
.zz-text p{
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:18px;
  max-width:62ch;
}
.zz-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  margin-bottom:10px;
}
.zz-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:4px;height:4px;
  background:var(--accent);
  border-radius:1px;
}
.zz-list li strong{color:var(--text-1);font-weight:600;}

/* ============ 数据核对条 ============ */
.check-wrap{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-bottom:32px;
}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 18px;
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.stat-card:hover{
  border-color:var(--accent);
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
}
.stat-num{
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px;}
.stat-label{
  margin-top:8px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-3);
}
.check-list{
  border-top:1px solid var(--line);
}
.check-list li{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
  line-height:1.75;
}
.check-list li .ck{
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--accent);
  color:var(--accent-ink);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
}
.check-list li .ck svg{width:12px;height:12px;}
.check-list li strong{color:var(--text-1);font-weight:600;}
.check-side{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.check-side h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:14px;
}
.check-side p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:18px;
}
.check-side .tip{
  font-size:12px;
  color:var(--text-3);
  line-height:1.8;
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ============ 相关入口卡 ============ */
.entry-grid .cell{margin-bottom:24px;}
.entry-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.entry-card:hover{
  transform:translateY(-3px);
  border-color:var(--accent);
  box-shadow:var(--sh-2);
}
.entry-card figure{
  position:relative;
  overflow:hidden;
  background:#E7E6E0;
}
.entry-card figure img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  transition:transform .56s var(--ease);
}
.entry-card:hover figure img{transform:scale(1.03);}
.entry-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.entry-body .tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(143,191,180,.24);
  color:var(--secondary);
  font-size:11px;
  letter-spacing:.06em;
  margin-bottom:14px;
}
.entry-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
}
.entry-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  margin-bottom:18px;
}
.entry-body .link-arrow{margin-top:auto;}

/* ============ FAQ ============ */
.faq{max-width:860px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--text-1);
  line-height:1.55;
}
.faq-icon{
  position:relative;
  flex:none;
  width:20px;height:20px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--text-3);
  transition:transform .32s var(--ease),background-color .32s var(--ease);
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-icon::before{background:var(--accent);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);background:var(--accent);}
.faq-item.is-open .faq-q{color:var(--secondary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{
  padding:0 40px 24px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink-900);
  border-radius:var(--r-card);
  padding:48px;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;bottom:-90px;
  width:240px;height:240px;
  border-radius:50%;
  background:var(--accent);
  opacity:.12;
  pointer-events:none;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.8vw,32px);
  line-height:1.25;
  font-weight:700;
}
.cta-band p{
  margin-top:14px;
  font-size:15px;
  color:rgba(255,255,255,.66);
  line-height:1.85;
  max-width:52ch;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
  position:relative;
  z-index:2;
}
.cta-note{
  margin-top:26px;
  font-size:12px;
  line-height:1.8;
  color:var(--text-3);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.7);
  padding:76px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-mark{
  display:block;
  color:#fff;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  margin-bottom:14px;
  max-width:34ch;
}
.footer-brand .legal{
  font-size:12px;
  line-height:1.8;
  color:var(--text-3);
}
.footer-col h4{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--secondary-soft);
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:4px 0;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col .info{
  display:block;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
  margin-bottom:10px;
}
.footer-bottom{
  border-top:1px solid var(--line-ink);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--text-3);
}

/* ============ 底部 Tab ============ */
.tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--surface);
  border-top:1px solid var(--line);
  z-index:65;
}
.tabbar ul{
  display:flex;
  height:56px;
}
.tabbar li{flex:1;}
.tabbar a{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  height:100%;
  min-width:44px;
  min-height:44px;
  font-size:11px;
  color:var(--text-3);
}
.tabbar a svg{width:22px;height:22px;display:block;}
.tabbar a.is-active{color:var(--secondary);}
.tabbar a.is-active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:2px;
  background:var(--accent);
  border-radius:0 0 2px 2px;
}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .56s var(--ease),transform .56s var(--ease);
}
.reveal.is-in{
  opacity:1;
  transform:translateY(0);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sec-y:80px;}
  .shell{padding:0 24px;}
  .nav-menu{display:none;}
  .nav-burger{display:block;}
  .nav-cta .btn-primary{display:none;}
  .zigzag{gap:40px;padding:44px 0;}
  .check-wrap{grid-template-columns:1fr;gap:40px;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .tabbar{display:block;}
  .site-footer{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 26px);}
}

@media (max-width:768px){
  :root{--sec-y:56px;}
  body{font-size:15px;padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px);}
  .shell{padding:0 20px;}
  .nav-inner{height:60px;gap:14px;}
  .brand-sub{display:none;}
  .brand-div{display:none;}
  .brand-mark{font-size:17px;}
  .page-banner::before{padding-top:88%;}
  .page-banner .banner-inner{padding:24px 0 28px;}
  .page-banner h1{font-size:26px;}
  .page-banner .banner-sub{margin-top:12px;font-size:14px;}
  .banner-tags{margin-top:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:34px;}
  .zigzag{grid-template-columns:1fr;gap:24px;padding:34px 0;}
  .zigzag.reverse .zz-media{order:0;}
  .zigzag.reverse .zz-text{order:0;}
  .zz-media img{aspect-ratio:16 / 10;}
  .zz-text h3{font-size:19px;}
  .stat-grid{grid-template-columns:1fr;gap:12px;}
  .stat-num{font-size:28px;}
  .check-side{padding:22px;}
  .cta-band{padding:28px 22px;border-radius:12px;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a-inner{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding:54px 0 calc(56px + env(safe-area-inset-bottom) + 20px);}
}

@media (max-width:520px){
  .page-banner::before{padding-top:104%;}
  .entry-grid .cell{margin-bottom:16px;}
  .btn{height:46px;padding:0 18px;font-size:14px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{transform:none;transition:opacity .3s linear;}
  .zz-media:hover img,
  .entry-card:hover figure img{transform:none;}
  .entry-card:hover,
  .stat-card:hover,
  .btn-primary:hover{transform:none;}
  .faq-a{transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --sec-y:112px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.shell{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.shell{padding-left:32px;padding-right:32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  transition:box-shadow .18s var(--ease),background .18s var(--ease);
}
.site-header.is-scrolled{background:rgba(246,245,241,.6);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:.02em;color:var(--ink-900);line-height:1}
.brand-div{width:1px;height:10px;background:var(--line);display:inline-block}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.04em;line-height:1;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;
  font-size:15px;color:var(--text-2);line-height:1;
  padding:26px 0;
  transition:color .18s var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-menu a:hover{color:var(--ink-900)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--ink-900);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);position:relative;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  position:absolute;left:50%;width:16px;height:1.6px;background:var(--ink-900);border-radius:2px;
  transform:translateX(-50%);transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.nav-burger span{top:50%;margin-top:-1px}
.nav-burger span::before{content:"";top:-5px;left:0;transform:none}
.nav-burger span::after{content:"";top:5px;left:0;transform:none}
.nav-burger.is-open span{background:transparent}
.nav-burger.is-open span::before{transform:translateY(5px) rotate(45deg)}
.nav-burger.is-open span::after{transform:translateY(-5px) rotate(-45deg)}
.nav-mask{
  position:fixed;inset:0;background:rgba(11,13,12,.45);opacity:0;visibility:hidden;
  transition:opacity .32s var(--ease),visibility .32s var(--ease);z-index:65;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent)}
.btn-primary:hover{background:var(--ink-900);color:var(--accent);border-color:var(--accent)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--ink-900);background:var(--surface)}
.btn-ghost-light{background:transparent;border:1px solid var(--line-ink);color:#fff}
.btn-ghost-light:hover{border-color:var(--accent);color:var(--accent)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--secondary);position:relative}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.btn-text:hover::after{transform:scaleX(1)}

/* ---------- 提示条 ---------- */
.notice-bar{background:var(--ink-900);color:#fff}
.notice-inner{display:flex;align-items:center;gap:16px;min-height:52px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.notice-pill{
  font-size:11px;letter-spacing:.06em;color:var(--accent);
  border:1px solid var(--secondary-soft);border-radius:var(--r-pill);padding:3px 10px;line-height:1.4;
}
.notice-text{font-size:14px;color:rgba(255,255,255,.78);flex:1 1 auto}
.notice-link{font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap}
.notice-link:hover{text-decoration:underline}

/* ---------- 分类页头图 ---------- */
.page-hero{
  position:relative;display:flex;align-items:flex-end;overflow:hidden;
  background:var(--ink-800);min-height:300px;
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,.5) 0%,rgba(11,13,12,.86) 100%);
}
.page-hero .shell{position:relative;z-index:2;padding-top:88px;padding-bottom:48px;color:#fff}
.crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.6);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.75)}
.crumb a:hover{color:var(--accent)}
.crumb .current{color:rgba(255,255,255,.5)}
.page-hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.1;letter-spacing:.02em;margin-bottom:16px;
}
.hero-lead{
  font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);max-width:56ch;
  border-left:3px solid var(--accent);padding-left:16px;
}

/* ---------- 章节 ---------- */
.section{padding:var(--sec-y) 0}
.section-tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-label{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-bottom:14px}
.sec-label .bar{width:3px;height:16px;border-radius:2px;background:var(--accent);display:inline-block}
.sec-head h2{font-size:clamp(24px,3.4vw,40px);font-weight:700;line-height:1.2;letter-spacing:.01em;color:var(--ink-900)}
.sec-desc{margin-top:14px;font-size:15px;color:var(--text-2);max-width:62ch}

/* ---------- 对照表 ---------- */
.compare{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--surface);box-shadow:var(--sh-1);
}
.compare-head{display:grid;grid-template-columns:1fr 1.6fr;background:var(--ink-900);color:#fff}
.compare-head div{padding:16px 24px;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.72)}
.compare-head div+div{border-left:1px solid var(--line-ink)}
.compare-row{display:grid;grid-template-columns:1fr 1.6fr;border-top:1px solid var(--line)}
.compare-row:first-of-type{border-top:0}
.compare-row .term{padding:26px 24px;border-right:1px solid var(--line);background:#FAF9F5}
.term strong{display:block;font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.4}
.term .tag{
  display:inline-block;margin-top:10px;font-size:11px;letter-spacing:.04em;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(143,191,180,.28);color:var(--secondary);
}
.compare-row .def{padding:26px 24px}
.compare-row .def p{font-size:15px;color:var(--text-2);margin-bottom:10px}
.compare-row .def p:last-child{margin-bottom:0}
.def .path{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--secondary);
  border:1px dashed var(--secondary-soft);border-radius:var(--r-pill);padding:3px 12px;
}

/* ---------- 数据与图文 ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.kpi{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--accent)}
.kpi-num{font-size:38px;font-weight:800;line-height:1;color:var(--secondary);font-variant-numeric:tabular-nums}
.kpi-label{display:block;margin-top:10px;font-size:14px;font-weight:600;color:var(--ink-900)}
.kpi p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}

.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-media{border-radius:var(--r-card);overflow:hidden;background:#E7E6E0;box-shadow:var(--sh-1)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-body h3{font-size:20px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.split-body p{font-size:15px;color:var(--text-2);margin-bottom:14px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);margin-bottom:12px}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--secondary);border-bottom:2px solid var(--secondary);transform:rotate(-45deg);
}

/* ---------- 步骤 ---------- */
.steps{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:110px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.step-num{
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px var(--secondary-soft);font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:19px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.step-body p{font-size:15px;color:var(--text-2);max-width:70ch}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--secondary)}
.faq-q .ico{
  position:relative;flex:0 0 auto;width:20px;height:20px;
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--text-3);border-radius:2px;
  transition:background .32s var(--ease),transform .32s var(--ease);
}
.faq-q .ico::before{left:0;top:9px;width:20px;height:2px}
.faq-q .ico::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-q{color:var(--ink-900)}
.faq-item.is-open .ico::before{background:var(--accent)}
.faq-item.is-open .ico::after{background:var(--accent);transform:rotate(90deg)}
.faq-a{height:0;overflow:hidden;transition:height .32s var(--ease)}
.faq-a-inner{padding:0 0 24px;font-size:15px;color:var(--text-2);max-width:72ch}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-900);color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.cta-kicker{font-size:12px;letter-spacing:.08em;color:var(--secondary-soft);margin-bottom:14px}
.cta-inner h3{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;margin-bottom:14px;color:#fff}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{margin-top:20px;font-size:12px;color:var(--text-3)}

/* ---------- 相关入口 ---------- */
.related-title{font-size:20px;font-weight:700;color:var(--ink-900);margin-bottom:24px}
.rel-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--accent)}
.rel-thumb{background:#E7E6E0}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-card h4{font-size:17px;font-weight:700;color:var(--ink-900);padding:20px 20px 6px}
.rel-card p{font-size:14px;color:var(--text-2);padding:0 20px}
.rel-more{
  display:inline-block;font-size:13px;font-weight:600;color:var(--secondary);
  padding:14px 20px 22px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-mark{color:#fff;font-size:20px;display:block;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:38ch}
.footer-brand .legal{margin-top:14px;font-size:12px;color:var(--text-3)}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--secondary-soft);margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:6px}
.footer-col a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col .info{display:block;font-size:14px;line-height:1.7;margin-bottom:10px;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-ink);padding:22px 0 28px;font-size:12px;color:var(--text-3);
}

/* ---------- 底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  position:relative;flex:1 1 0;min-height:56px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);padding:6px 2px;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--secondary)}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;background:var(--accent);border-radius:2px;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .56s var(--ease),transform .56s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-menu{
    position:fixed;top:0;left:0;bottom:0;width:320px;max-width:86vw;
    background:var(--ink-900);flex-direction:column;align-items:stretch;gap:0;
    padding:76px 0 24px;transform:translateX(-100%);transition:transform .32s var(--ease);
    z-index:70;overflow-y:auto;
  }
  .nav-menu.is-open{transform:none}
  .nav-menu a{
    height:48px;display:flex;align-items:center;padding:0 24px;
    color:rgba(255,255,255,.82);border-bottom:1px solid var(--line-ink);font-size:15px;
  }
  .nav-menu a::after{display:none}
  .nav-menu a.is-active{color:var(--accent)}
  .nav-burger{display:block}
  .nav-cta .btn{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  :root{--sec-y:56px}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px)}
  .tabbar{display:flex}
  .brand-sub{display:none}
  .brand-div{display:none}
  .page-hero{min-height:260px}
  .page-hero .shell{padding-top:64px;padding-bottom:36px}
  .hero-lead{font-size:15px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .sec-head{margin-bottom:32px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr}
  .compare-row .term{border-right:0;border-bottom:1px dashed var(--line);padding:20px}
  .compare-row .def{padding:20px}
  .kpi-grid{grid-template-columns:1fr;gap:16px}
  .split{grid-template-columns:1fr;gap:24px}
  .step{grid-template-columns:64px 1fr;gap:16px}
  .step-num{font-size:26px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .related-row{margin-left:0 !important;margin-right:0 !important}
  .related-row>.cell{padding-left:0 !important;padding-right:0 !important}
}
@media (max-width:520px){
  .notice-inner{min-height:64px}
  .notice-text{font-size:13px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .2s linear}
  .faq-a{transition:none}
  .kpi:hover,.rel-card:hover,.split-media:hover img,.rel-card:hover .rel-thumb img{transform:none}
}

/* roulang page: category4 */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:68px;
  --sec-y:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease),border-color 180ms var(--ease),background-color 180ms var(--ease),transform 180ms var(--ease)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.shell{padding:0 32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow 320ms var(--ease),background-color 320ms var(--ease);
}
.site-header.is-scrolled{backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:0 1px 2px rgba(11,13,12,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--ink-900);white-space:nowrap}
.brand-div{width:1px;height:18px;background:var(--line)}
.brand-sub{font-size:12px;letter-spacing:.04em;color:var(--text-3);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:26px}
.nav-menu a{position:relative;font-size:15px;color:var(--text-2);padding:22px 0}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 180ms var(--ease)}
.nav-menu a:hover{color:var(--text-1)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--text-1);font-weight:600}
.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--ink-900);color:var(--accent);border-color:var(--accent);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--text-1);border-color:var(--line)}
.btn-outline:hover{border-color:var(--accent);background:var(--surface);box-shadow:var(--sh-1)}
.btn-ghost{height:auto;padding:0;color:var(--text-1);font-weight:600;border:0}
.btn-ghost .arw{transition:transform 180ms var(--ease)}
.btn-ghost:hover .arw{transform:translateX(4px)}
.btn-block{width:100%}
.nav-burger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:var(--surface);position:relative}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--text-1);border-radius:2px;transform:translateX(-50%)}
.nav-burger span{top:50%;margin-top:-1px}
.nav-burger span::before{content:"";top:-6px}
.nav-burger span::after{content:"";top:6px}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(11,13,12,.5);z-index:55}
.nav-backdrop.is-open{display:block}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900)}
.page-hero-bg{width:100%;height:100%;min-height:280px;object-fit:cover;position:absolute;inset:0;opacity:.5}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,.55),rgba(11,13,12,.86))}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 56px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--accent)}
.crumbs .cur{color:rgba(255,255,255,.55)}
.page-hero h1{
  color:#fff;font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.12;letter-spacing:.02em;max-width:16em;
}
.page-lede{margin-top:16px;color:rgba(255,255,255,.78);font-size:16px;max-width:52em;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;background:rgba(196,240,60,.14);color:var(--accent);border:1px solid rgba(196,240,60,.4)}
.tag-pill.soft{background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);border-color:var(--line-ink)}

/* ---------- Sections ---------- */
.section{padding:var(--sec-y) 0}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-title{position:relative;font-size:clamp(24px,3.4vw,40px);font-weight:700;line-height:1.2;letter-spacing:.01em;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:16px;border-radius:2px;background:var(--accent)}
.sec-desc{margin-top:16px;color:var(--text-2);font-size:16px;max-width:60ch}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head-row .sec-head{margin-bottom:0}

/* ---------- Filter chips ---------- */
.filter-bar{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;margin-bottom:48px;box-shadow:var(--sh-1);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;
}
.filter-label{font-size:12px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);color:var(--text-2);font-size:13px;
  transition:all 180ms var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--text-1);transform:translateY(-1px)}
.chip.is-on{background:var(--ink-900);border-color:var(--ink-900);color:var(--accent);font-weight:600}
.filter-note{font-size:13px;color:var(--text-3);flex:1 1 220px;min-width:180px}

/* ---------- QA groups ---------- */
.qa-group{margin-bottom:56px}
.qa-group:last-child{margin-bottom:0}
.qa-group-title{
  display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600;color:var(--text-1);
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:24px;
}
.qa-num{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--secondary);
  border:1px solid var(--secondary-soft);border-radius:999px;padding:2px 10px;line-height:1.4;
}
.qa-card{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform 320ms var(--ease),box-shadow 320ms var(--ease),border-color 320ms var(--ease);
}
.qa-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--sh-2)}
.qa-card h4{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px}
.qa-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.qa-card .qa-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);letter-spacing:.02em}
.qa-grid{margin-bottom:0}
.qa-grid > .cell{margin-bottom:24px}

/* ---------- Steps ---------- */
.steps-grid{display:grid;gap:24px;grid-template-columns:repeat(4,1fr)}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 24px;box-shadow:var(--sh-1);transition:border-color 320ms var(--ease),transform 320ms var(--ease);
}
.step:hover{border-color:var(--accent);transform:translateY(-3px)}
.step-num{
  font-size:34px;font-weight:800;line-height:1;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1px var(--secondary);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step h4{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}
.step-line{height:1px;background:var(--line);margin:18px 0 14px}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);color:#fff}
.cta-band-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,13,12,.92),rgba(11,13,12,.72))}
.cta-inner{position:relative;z-index:2;padding:88px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;color:#fff}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.74);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-outline{color:#fff;border-color:var(--line-ink)}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.06);border-color:var(--accent);color:var(--accent)}
.cta-note{margin-top:18px;font-size:12px;color:var(--text-3);position:relative;z-index:2}

/* ---------- Related ---------- */
.rel-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform 320ms var(--ease),box-shadow 320ms var(--ease),border-color 320ms var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--sh-2)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7E6E0}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 560ms var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.rel-body .badge{align-self:flex-start;display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:11px;letter-spacing:.06em;background:var(--secondary-soft);color:var(--secondary);font-weight:600;margin-bottom:12px}
.rel-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px}
.rel-body p{font-size:14px;color:var(--text-2);flex:1}
.rel-body .more{margin-top:16px;font-size:14px;font-weight:600;color:var(--secondary);display:inline-flex;align-items:center;gap:6px}
.rel-card:hover .more{color:var(--ink-900)}
.rel-body .more .arw{transition:transform 180ms var(--ease)}
.rel-card:hover .more .arw{transform:translateX(4px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{display:grid;gap:40px;grid-template-columns:1.6fr 1fr 1fr 1.2fr;padding-bottom:56px}
.footer-brand .brand-mark{color:#fff;display:block;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:34em}
.footer-brand .legal{margin-top:14px;font-size:12px;color:var(--text-3);line-height:1.8}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--secondary-soft);font-weight:600;margin-bottom:18px}
.footer-col li{margin-bottom:4px}
.footer-col a{display:inline-block;min-height:44px;line-height:44px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col .info{display:block;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:10px;line-height:1.7}
.footer-bottom{border-top:1px solid var(--line-ink);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:var(--text-3)}

/* ---------- Mobile tab ---------- */
.mobile-tab{display:none}
@media (max-width:768px){
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:var(--surface);border-top:1px solid var(--line);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    min-width:44px;min-height:44px;position:relative;font-size:11px;color:var(--text-3);
  }
  .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6}
  .tab-item.is-on{color:var(--secondary)}
  .tab-item.is-on::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--accent);border-radius:0 0 2px 2px}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px)}
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 560ms var(--ease),transform 560ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-menu{
    position:fixed;top:0;left:0;z-index:65;width:320px;max-width:86vw;height:100vh;
    background:var(--ink-900);flex-direction:column;align-items:stretch;gap:0;
    padding:24px 0;transform:translateX(-104%);transition:transform 320ms var(--ease);
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{height:48px;line-height:48px;padding:0 24px;color:rgba(255,255,255,.82);font-size:15px;border-bottom:1px solid var(--line-ink)}
  .nav-menu a::after{display:none}
  .nav-menu a.is-active{color:var(--accent);font-weight:600;background:rgba(196,240,60,.06)}
  .nav-menu a:hover{color:var(--accent)}
  .nav-burger{display:block}
  .nav-cta .btn-primary{display:none}
  :root{--sec-y:80px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-y:56px}
  .brand-sub{display:none}
  .brand-div{display:none}
  .page-hero-inner{padding:44px 0 40px}
  .page-lede{font-size:15px}
  .filter-bar{padding:16px;margin-bottom:32px}
  .qa-card{padding:20px}
  .steps-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{padding:64px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:520px){
  .sec-title{font-size:24px}
  .qa-group-title{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-property:opacity!important;transition-duration:.001ms!important}
  .reveal{transform:none!important}
  .rel-card:hover,.qa-card:hover,.step:hover{transform:none!important}
}

/* roulang page: category5 */
:root{
  --ink-900:#0B0D0C;
  --ink-800:#14171A;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --accent:#C4F03C;
  --accent-ink:#0B0D0C;
  --secondary:#14544A;
  --secondary-soft:#8FBFB4;
  --alert:#E2542C;
  --text-1:#16181A;
  --text-2:#5C6360;
  --text-3:#8B918D;
  --line:#E4E3DD;
  --line-ink:rgba(255,255,255,.12);
  --r-btn:8px;
  --r-card:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.10);
  --sh-3:0 24px 60px rgba(11,13,12,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-gap:112px;
  --foundation-primary:var(--accent);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:var(--accent-ink)}

.shell{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.shell{padding-left:32px;padding-right:32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(246,245,241,.97)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--text-1)}
.brand-div{width:1px;height:18px;background:var(--line)}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.04em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:68px;
  padding:0 12px;font-size:15px;color:var(--text-2);
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-menu a:hover{color:var(--text-1)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--text-1);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-burger{display:none}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--ink-900);color:var(--accent);border-color:var(--accent);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-900);background:var(--surface)}
.btn-line{background:transparent;color:var(--accent);border-color:var(--accent)}
.btn-line:hover{background:var(--accent);color:var(--accent-ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--secondary)}
.link-arrow::after{content:"→";transition:transform .28s var(--ease)}
.link-arrow:hover{color:var(--ink-900)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ============ 分类窄头图 ============ */
.cat-banner{
  position:relative;
  background-color:var(--ink-800);
  background-image:linear-gradient(180deg,rgba(11,13,12,.55),rgba(11,13,12,.78)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
}
.cat-banner-inner{
  display:flex;flex-direction:column;justify-content:flex-end;
  aspect-ratio:16/6;min-height:220px;padding-top:40px;padding-bottom:40px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.72);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.62)}
.cat-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  background:rgba(196,240,60,.16);border:1px solid rgba(196,240,60,.5);
  color:var(--accent);font-size:11px;letter-spacing:.06em;margin-bottom:14px;width:max-content;
}
.cat-banner h1{
  color:#fff;font-size:clamp(32px,6vw,58px);font-weight:800;line-height:1.06;letter-spacing:.02em;
}
.cat-lead{margin-top:14px;max-width:60ch;color:rgba(255,255,255,.82);font-size:15px;line-height:1.8}

/* ============ 通用板块 ============ */
.section{padding-top:var(--sec-gap);padding-bottom:0}
.section:last-of-type{padding-bottom:var(--sec-gap)}
.sec-head{margin-bottom:36px}
.sec-index{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;color:var(--text-3);margin-bottom:12px}
.sec-index span{display:inline-block;width:3px;height:16px;border-radius:2px;background:var(--accent)}
.sec-head h2{font-size:clamp(24px,3.4vw,40px);font-weight:700;line-height:1.2;letter-spacing:.01em}
.sec-head p{margin-top:12px;max-width:68ch;color:var(--text-2);font-size:15px}

/* ============ 图文列表 ============ */
.entry-list{display:flex;flex-direction:column;gap:28px}
.entry-row{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.entry-row:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px)}
.entry-row:nth-child(even) .entry-media{order:2}
.entry-media{position:relative;min-height:280px;overflow:hidden;background:var(--ink-800)}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .56s var(--ease)}
.entry-row:hover .entry-media img{transform:scale(1.03)}
.entry-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(11,13,12,.32))}
.entry-body{padding:36px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.entry-no{font-size:48px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--secondary-soft);letter-spacing:.02em}
.entry-body h3{font-size:21px;font-weight:600;letter-spacing:.01em}
.entry-body p{color:var(--text-2);font-size:15px;max-width:62ch}
.mini-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.mini-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text-2)}
.mini-list li::before{content:"";position:absolute;left:2px;top:11px;width:5px;height:5px;background:var(--accent);border-radius:1px}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  background:rgba(143,191,180,.22);color:var(--secondary);font-size:11px;letter-spacing:.02em;
}

/* ============ 情景排查（双栏小卡） ============ */
.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.check-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px)}
.check-card h3{font-size:17px;font-weight:600;margin-bottom:10px}
.check-card p{font-size:14px;color:var(--text-2)}
.check-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);letter-spacing:.04em}

/* ============ 表单区块 ============ */
.form-band{background:var(--ink-900);color:#fff;padding:var(--sec-gap) 0}
.form-grid{display:grid;grid-template-columns:6fr 5fr;gap:64px;align-items:start}
.form-band .sec-index{color:rgba(255,255,255,.55)}
.form-band h2{font-size:clamp(24px,3.2vw,38px);font-weight:700;line-height:1.2;color:#fff}
.form-band .lead{margin-top:16px;color:rgba(255,255,255,.7);font-size:15px;max-width:56ch}
.points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86)}
.points li .tick{
  flex:0 0 16px;width:16px;height:16px;margin-top:7px;border-radius:50%;
  background:var(--accent);position:relative;
}
.points li .tick::after{
  content:"";position:absolute;left:5px;top:3px;width:4px;height:8px;
  border-right:2px solid var(--accent-ink);border-bottom:2px solid var(--accent-ink);transform:rotate(40deg)
}
.notice{margin-top:34px;padding-top:16px;border-top:1px solid var(--line-ink);font-size:12px;color:var(--text-3);line-height:1.7}
.form-card{background:var(--surface);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-3);color:var(--text-1)}
.form-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.form-card .form-note{font-size:13px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}
.field label .req{color:var(--alert);margin-left:4px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;background:#FCFBF8;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.field input{height:46px}
.field textarea{min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
  box-shadow:inset 0 0 0 1px var(--accent);
}
.field-tip{font-size:12px;color:var(--text-3);margin-top:8px}
.form-card .btn{width:100%;margin-top:6px}
.form-foot{margin-top:14px;font-size:12px;color:var(--text-3);line-height:1.7}

/* ============ FAQ ============ */
.faq{max-width:920px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:none;border:0;padding:22px 4px;cursor:pointer;font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-q .icon{
  flex:0 0 20px;width:20px;height:20px;position:relative;color:var(--secondary);
  transition:color .32s var(--ease),transform .32s var(--ease);
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .icon::before{left:0;top:9px;width:20px;height:2px}
.faq-q .icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .32s var(--ease),transform .32s var(--ease)}
.faq-item.is-open .faq-q .icon{color:var(--accent);transform:rotate(180deg)}
.faq-item.is-open .faq-q .icon::after{opacity:0;transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 34px 24px;color:var(--text-2);font-size:15px;max-width:72ch}

/* ============ 相关入口 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease);
}
.rel-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);transform:translateY(-3px)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink-800)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .56s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:17px;font-weight:600}
.rel-body p{font-size:14px;color:var(--text-2)}
.rel-body .link-arrow{margin-top:auto;padding-top:12px}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink-900);border-radius:var(--r-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border:1px solid var(--line-ink);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.25}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.68);font-size:15px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#fff;margin-top:var(--sec-gap);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 3fr;gap:40px}
.footer-brand .brand-mark{color:#fff;font-size:18px;font-weight:800;display:block;margin-bottom:14px}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14px;max-width:42ch}
.footer-brand .legal{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.75}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;color:var(--secondary-soft);font-weight:600;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col li a,.footer-col .info{
  display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:rgba(255,255,255,.72);
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line-ink);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{display:none}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .56s var(--ease),transform .56s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-menu{
    position:fixed;top:68px;left:0;width:320px;max-width:86vw;height:calc(100vh - 68px);
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:var(--ink-900);padding:12px 0;
    transform:translateX(-100%);transition:transform .32s var(--ease);
    overflow-y:auto;z-index:59;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{
    height:48px;padding:0 22px;color:rgba(255,255,255,.85);font-size:15px;
    border-bottom:1px solid var(--line-ink);
  }
  .nav-menu a::after{display:none}
  .nav-menu a.is-active{color:var(--accent);font-weight:600}
  .nav-burger{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--surface);cursor:pointer;
  }
  .nav-burger span{display:block;width:18px;height:2px;background:var(--text-1);position:relative}
  .nav-burger span::before,.nav-burger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);
    transition:transform .28s var(--ease);
  }
  .nav-burger span::before{top:-6px}
  .nav-burger span::after{top:6px}
  .cat-banner-inner{aspect-ratio:auto;padding-top:44px;padding-bottom:44px}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .checks{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .entry-row{grid-template-columns:1fr}
  .entry-row:nth-child(even) .entry-media{order:0}
  .entry-media{min-height:220px;aspect-ratio:16/10}
  .rel-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--sec-gap:56px}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 12px)}
  .nav-cta .btn-primary{display:none}
  .section{padding-top:var(--sec-gap)}
  .sec-head{margin-bottom:24px}
  .entry-body{padding:24px 20px}
  .entry-no{font-size:36px}
  .checks{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 20px;border-radius:var(--r-card)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:var(--surface);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    flex:1 1 0;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11px;color:var(--text-3);position:relative;padding-top:2px;
  }
  .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .tab-item.is-active{color:var(--secondary);font-weight:600}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:28px;height:2px;background:var(--accent);border-radius:2px;
  }
  .tab-item:active{background:#F1F0EB}
}
@media (max-width:520px){
  .brand-sub{display:none}
  .brand-div{display:none}
  .cat-banner h1{font-size:30px}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  .reveal{transform:none;transition:opacity .3s linear}
  .entry-row,.check-card,.rel-card,.faq-q .icon,.btn,.entry-media img,.rel-thumb img{transition:none}
  .entry-row:hover,.check-card:hover,.rel-card:hover{transform:none}
  .entry-row:hover .entry-media img,.rel-card:hover .rel-thumb img{transform:none}
}