/* roulang page: index */
:root{
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --ink:#12161A;
  --ink-2:#3A4147;
  --ink-3:#565E66;
  --ink-4:#8A9299;
  --line:#D8D5CF;
  --block:#EFEDE8;
  --orange:#F4571C;
  --orange-dark:#D2430F;
  --teal:#0E7B6B;
  --error:#C0392B;
  --r-card:10px;
  --r-btn:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,26,.06);
  --sh-2:0 10px 30px rgba(18,22,26,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --max:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .16s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.section{padding:104px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--teal);margin-bottom:14px;
}
.eyebrow::before{content:"—";margin-right:8px;letter-spacing:0;color:var(--orange)}
.eyebrow.on-dark{color:#8FD8CB}
h2.sec-title{
  font-size:30px;position:relative;padding-left:24px;letter-spacing:-.01em;
}
h2.sec-title::before{
  content:"";position:absolute;left:0;top:.22em;width:3px;height:26px;background:var(--orange);border-radius:2px;
}
.sec-lead{color:var(--ink-3);max-width:640px;margin-top:16px;font-size:16px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:44px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost.on-dark:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;padding:0 34px;font-size:17px}
.btn-lg:hover i.fa-arrow-right{transform:translateX(4px)}
.btn-block{width:100%}
.link-arrow{
  font-size:15px;font-weight:600;color:var(--ink);position:relative;
  border-bottom:1px solid var(--line);padding-bottom:2px;
  text-underline-offset:4px;
}
.link-arrow:hover{color:var(--teal);border-color:var(--teal)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-live{background:var(--orange);color:#fff}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 2s var(--ease) infinite}
.badge-soon{background:transparent;border:1px solid var(--teal);color:var(--teal)}
.badge-done{background:transparent;border:1px solid var(--ink-4);color:var(--ink-4)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.tag{
  display:inline-block;height:26px;line-height:24px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink-3);font-size:13px;background:var(--white);
}
.chip{
  display:inline-block;height:34px;line-height:32px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);color:var(--ink-3);
  font-size:13px;transition:all .24s var(--ease);
}
.chip:hover{border-color:var(--orange);color:var(--orange)}
.chip.is-on{background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--ink);color:#E7E5E1;font-size:13px}
.topbar .wrap{display:flex;align-items:center;gap:12px;height:36px}
.topbar .mini-tag{
  display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:11px;font-weight:700;letter-spacing:.04em;
}
.topbar p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .close{margin-left:auto;color:#9AA1A8;font-size:14px;line-height:1}
.topbar .close:hover{color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:transparent;
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(246,244,240,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:32px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;display:block;color:var(--orange)}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-3);padding:6px 0;font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--orange);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.main-nav + .nav-actions{margin-left:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;color:var(--ink);font-size:18px;
}
.drawer{
  position:fixed;inset:0;background:var(--white);z-index:80;
  transform:translateX(100%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:20px 24px 0;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-list{margin-top:12px;flex:1;overflow-y:auto}
.drawer-list a{
  display:block;font-size:18px;font-weight:600;color:var(--ink);
  padding:18px 0;border-bottom:1px solid var(--line);
}
.drawer-list a.is-active{color:var(--orange)}
.drawer-foot{padding:20px 0 28px;border-top:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  margin-top:-64px;padding:140px 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,22,26,.94) 0%,rgba(18,22,26,.78) 42%,rgba(18,22,26,.42) 100%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy{color:#fff}
.hero-copy .eyebrow{color:#8FD8CB}
.hero-status{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.hero h1{
  color:#fff;font-size:52px;line-height:1.15;letter-spacing:-.02em;margin:0 0 20px;font-weight:700;
}
.hero-sub{color:#D6D3CE;font-size:17px;max-width:520px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 28px}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.hero-meta div{font-size:13px;color:#9AA1A8}
.hero-meta strong{display:block;color:#fff;font-size:15px;font-weight:600;margin-top:2px}
.hero-card{
  background:rgba(255,255,255,.96);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-2);transform:translateY(-24px);max-width:460px;margin-left:auto;width:100%;
}
.hero-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--block)}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover}
.hero-card .thumb .badge{position:absolute;top:12px;left:12px}
.hero-card-body{padding:22px 24px 24px}
.hero-card-body h3{font-size:19px;margin-bottom:8px}
.hero-card-body p{font-size:14px;color:var(--ink-3);margin:0}
.hero-card-body dl{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line)}
.hero-card-body dt{font-size:12px;color:var(--ink-4);margin:0}
.hero-card-body dd{margin:0;font-size:16px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.scroll-cue{
  position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:2;
  color:#9AA1A8;font-size:12px;letter-spacing:.1em;display:flex;flex-direction:column;align-items:center;gap:8px;
}
.scroll-cue i{transition:transform .24s var(--ease)}
.scroll-cue:hover i{transform:translateY(4px);color:#fff}
.scroll-cue::before{content:"";width:1px;height:28px;background:rgba(255,255,255,.28)}

/* ---------- 倒计时 ---------- */
.countdown{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.cd-unit{
  min-width:62px;padding:8px 10px;text-align:center;border-radius:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
}
.cd-unit .cd-num{
  display:block;font-size:30px;line-height:1.1;font-weight:600;color:#fff;
  font-family:"Oswald","Barlow Semi Condensed","Inter",sans-serif;font-variant-numeric:tabular-nums;
}
.cd-unit .cd-label{display:block;font-size:12px;color:#9AA1A8;margin-top:2px}
.cd-sep{width:1px;height:26px;background:rgba(255,255,255,.24)}
.countdown.on-light .cd-unit{background:var(--white);border-color:var(--line)}
.countdown.on-light .cd-num{color:var(--ink)}
.countdown.on-light .cd-label{color:var(--ink-4)}
.countdown.on-light .cd-sep{background:var(--line)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.flow-step{position:relative;padding-top:26px}
.flow-step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--line);
}
.flow-step::after{
  content:"";position:absolute;top:-4px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:2px solid var(--orange);
}
.flow-step:first-child::after{background:var(--orange)}
.flow-num{
  font-size:46px;font-weight:600;line-height:1;color:var(--block);
  font-family:"Oswald","Barlow Semi Condensed","Inter",sans-serif;font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.flow-step h3{font-size:19px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-3);margin:0}

/* ---------- 权益预览（非对称） ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.reward-main{
  grid-column:span 8;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.reward-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.reward-main .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--block)}
.reward-main .thumb img{width:100%;height:100%;object-fit:cover}
.reward-main .thumb .badge{position:absolute;top:14px;left:14px}
.reward-main .body{padding:26px 28px 30px}
.reward-main h3{font-size:22px;margin-bottom:10px}
.reward-main p{color:var(--ink-3);font-size:15px;max-width:560px}
.reward-side{grid-column:span 4;display:flex;flex-direction:column;gap:24px}
.reward-mini{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;gap:0;box-shadow:var(--sh-1);flex:1;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.reward-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.reward-mini.is-done{opacity:.72}
.reward-mini .thumb{width:42%;flex:0 0 42%;background:var(--block);overflow:hidden}
.reward-mini .thumb img{width:100%;height:100%;object-fit:cover}
.reward-mini .body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.reward-mini h3{font-size:17px}
.reward-mini p{font-size:13px;color:var(--ink-4);margin:0}

/* ---------- 进度条 ---------- */
.progress{display:flex;align-items:center;gap:16px;margin-top:18px}
.progress-track{
  flex:1;height:8px;border-radius:var(--r-pill);background:var(--block);overflow:hidden;position:relative;
}
.on-dark .progress-track{background:rgba(255,255,255,.14)}
.progress-fill{
  display:block;height:100%;width:0;border-radius:var(--r-pill);background:var(--orange);
  transition:width 1.1s var(--ease);
}
.progress-num{font-size:15px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;min-width:48px;text-align:right}
.on-dark .progress-num{color:#fff}

/* ---------- 深色进度区块 ---------- */
.dark-band{background:var(--ink);color:#D6D3CE;padding:104px 0}
.dark-band h2{color:#fff}
.dark-grid{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:start}
.dark-copy p{color:#9AA1A8;max-width:520px}
.big-num{
  font-size:64px;line-height:1;font-weight:600;color:var(--orange);
  font-family:"Oswald","Barlow Semi Condensed","Inter",sans-serif;font-variant-numeric:tabular-nums;
  margin:28px 0 6px;
}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.tl-node{position:relative;padding-top:26px;text-align:left}
.tl-node::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.12);
}
.tl-node::after{
  content:"";position:absolute;top:-5px;left:0;width:11px;height:11px;border-radius:50%;
  background:transparent;border:2px solid rgba(255,255,255,.35);
}
.tl-node.is-done::after{background:var(--orange);border-color:var(--orange)}
.tl-node.is-now::after{background:transparent;border-color:var(--orange)}
.tl-node span{font-size:13px;color:#9AA1A8;display:block}
.tl-node strong{display:block;font-size:15px;color:#fff;font-weight:600;margin-bottom:2px}

/* ---------- CTA ---------- */
.cta-band{background:var(--block);text-align:center;padding:96px 0}
.cta-inner{max-width:720px;margin:0 auto}
.cta-band h2{font-size:30px;padding:0;margin-bottom:16px}
.cta-band h2::before{display:none}
.cta-band .cta-sub{color:var(--ink-3);margin-bottom:32px}
.cta-band .countdown{justify-content:center;margin-bottom:32px}
.cta-note{font-size:13px;color:var(--ink-4);margin-top:20px}

/* ---------- 最新信息 ---------- */
.filter-row{display:flex;gap:10px;flex-wrap:wrap}
.feature{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);margin-bottom:12px;transition:box-shadow .24s var(--ease)}
.feature:hover{box-shadow:var(--sh-2)}
.feature-media{aspect-ratio:16/10;overflow:hidden;background:var(--block);display:block}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.feature:hover .feature-media img{transform:scale(1.03)}
.feature-body{padding:32px 34px 32px 0}
.feature-body .badge-done,.feature-body .badge-live,.feature-body .badge-soon{margin-bottom:14px}
.feature-body h3{font-size:24px;line-height:1.35;margin-bottom:12px}
.feature-body h3 a:hover{color:var(--orange)}
.feature-body p{color:var(--ink-3);font-size:15px;margin-bottom:18px}
.meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--ink-4)}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block}
.news-list{margin-top:16px;border-top:1px solid var(--line)}
.news-item{
  position:relative;display:grid;grid-template-columns:64px 1fr 44px;gap:20px;align-items:start;
  padding:24px 16px 24px 4px;border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease);
}
.news-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--orange);
  transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease);border-radius:2px;
}
.news-item:hover{background:var(--white)}
.news-item:hover::before{transform:scaleY(1)}
.news-item:hover .news-title{color:var(--orange)}
.news-index{
  font-size:15px;font-weight:600;color:var(--ink-4);padding-top:3px;
  font-family:"Oswald","Barlow Semi Condensed","Inter",sans-serif;font-variant-numeric:tabular-nums;
}
.news-title{font-size:18px;font-weight:600;color:var(--ink);display:block;margin-bottom:6px;transition:color .24s var(--ease)}
.news-sum{
  font-size:14px;color:var(--ink-3);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-go{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-4);justify-self:end;
  transition:all .24s var(--ease);
}
.news-item:hover .news-go{border-color:var(--orange);color:var(--orange);transform:translateX(2px)}
.empty-state{
  border:1px solid var(--line);border-radius:var(--r-card);min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;
  background:var(--block) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  background-blend-mode:soft-light;color:var(--ink-3);font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-accordion{border-top:1px solid var(--line);background:transparent}
.faq-accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq-accordion .accordion-title{
  position:relative;padding:22px 56px 22px 4px;font-size:16.5px;font-weight:600;color:var(--ink);
  border:0;background:transparent;line-height:1.5;min-height:64px;display:flex;align-items:center;
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.faq-accordion .accordion-title::before{display:none}
.faq-accordion .accordion-title:hover{color:var(--orange)}
.faq-accordion .accordion-title::after{
  content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;line-height:26px;text-align:center;font-size:18px;font-weight:400;color:var(--ink-4);
  border:1px solid var(--line);border-radius:50%;transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title{background:var(--block);color:var(--ink)}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  transform:translateY(-50%) rotate(45deg);color:var(--orange);border-color:var(--orange);
}
.faq-accordion .accordion-content{padding:22px 76px 26px 4px;background:var(--block);border:0;color:var(--ink-2);font-size:16px;line-height:1.85}
.faq-accordion .accordion-content p{margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9AA1A8;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{color:var(--orange)}
.footer-brand p{margin:18px 0 14px;max-width:300px;line-height:1.8}
.footer-domain{font-size:13px;color:#6C7378;font-family:"Inter",sans-serif}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:18px;font-weight:600;letter-spacing:.04em}
.footer-links li{margin-bottom:12px}
.footer-links a{color:#9AA1A8;display:inline-block;transition:color .24s var(--ease),transform .24s var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:13px;line-height:1.8;color:#7B8288}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 30px;font-size:13px;color:#6C7378;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);color:#D6D3CE;font-size:13px;
  transition:all .24s var(--ease);
}
.to-top:hover{border-color:var(--orange);color:#fff;background:rgba(244,87,28,.12)}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .wrap{max-width:1200px}
}
@media (max-width:1279px){
  .hero h1{font-size:44px}
  .dark-grid{gap:48px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .dark-band,.cta-band{padding:72px 0}
  .main-nav,.nav-actions .badge-live{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto;gap:10px}
  .hero{margin-top:-64px;padding:120px 0 80px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-card{transform:none;margin:0;max-width:520px}
  .hero h1{font-size:38px}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .reward-grid{grid-template-columns:repeat(6,1fr)}
  .reward-main{grid-column:span 6}
  .reward-side{grid-column:span 6;flex-direction:row}
  .reward-mini{flex-direction:column}
  .reward-mini .thumb{width:100%;flex:0 0 auto;aspect-ratio:3/2}
  .dark-grid{grid-template-columns:1fr;gap:48px}
  .dark-copy p{max-width:none}
  .feature{grid-template-columns:1fr}
  .feature-body{padding:0 28px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .dark-band,.cta-band{padding:56px 0}
  .topbar .wrap{gap:8px}
  .nav-wrap{height:56px;gap:16px}
  .brand-text{font-size:16px}
  .hero{margin-top:-56px;padding:96px 0 64px}
  .hero h1{font-size:30px;line-height:1.2}
  .hero-sub{font-size:15px}
  .hero-actions .btn{flex:1 1 auto}
  h2.sec-title{font-size:22px;padding-left:18px}
  h2.sec-title::before{height:20px;width:3px}
  .sec-head{margin-bottom:32px}
  .flow{grid-template-columns:1fr;gap:0}
  .flow-step{padding:24px 0 24px 26px}
  .flow-step::before{left:5px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .flow-step::after{top:32px;left:0;background:var(--paper)}
  .flow-step:last-child::before{bottom:auto;height:32px}
  .reward-grid{gap:16px}
  .reward-side{flex-direction:column}
  .reward-mini{flex-direction:row}
  .reward-mini .thumb{width:38%;flex:0 0 38%;aspect-ratio:auto}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .big-num{font-size:48px}
  .feature:hover .feature-media img{transform:none}
  .feature-body{padding:0 20px 24px}
  .feature-body h3{font-size:20px}
  .news-item{grid-template-columns:44px 1fr;gap:14px;padding:20px 8px 20px 4px}
  .news-go{display:none}
  .news-title{font-size:16.5px}
  .faq-accordion .accordion-title{padding-right:48px;font-size:15.5px}
  .faq-accordion .accordion-content{padding:20px 20px 24px 4px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cd-unit{min-width:52px}
  .cd-unit .cd-num{font-size:24px}
}
@media (max-width:400px){
  .hero h1{font-size:27px}
  .btn{padding:0 20px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .progress-fill{transition:none !important}
}

/* roulang page: category1 */
:root{
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --ink:#12161A;
  --text:#3A4147;
  --muted:#565E66;
  --weak:#8A9299;
  --line:#D8D5CF;
  --soft:#EFEDE8;
  --orange:#F4571C;
  --orange-d:#D2430F;
  --teal:#0E7B6B;
  --error:#C0392B;
  --r-card:10px;
  --r-btn:6px;
  --sh:0 1px 2px rgba(18,22,26,.06);
  --sh-hover:0 10px 30px rgba(18,22,26,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans 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 .16s var(--ease)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.wrap{max-width:1280px}}
@media (max-width:767px){.wrap{padding:0 16px}}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(246,244,240,0);transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(246,244,240,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.brand-mark{width:28px;height:28px;flex:0 0 auto}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;font-size:15px;color:var(--muted)}
.nav-link:hover{color:var(--ink)}
.nav-link.is-active{color:var(--orange);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--orange);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--white);color:var(--ink)}
.mobile-nav{display:none}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;font-size:15px;line-height:1;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease)}
.btn-primary{background:var(--orange);color:#fff;height:48px;padding:0 28px}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 32px;font-size:17px}
.btn-lg i{transition:transform .24s var(--ease)}
.btn-lg:hover i{transform:translateX(4px)}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink);background:transparent;height:48px;padding:0 26px}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.75);color:#fff;background:transparent;height:44px;padding:0 24px;font-size:15px}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.badge{display:inline-flex;align-items:center;height:23px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.badge-live{background:var(--orange);color:#fff}
.badge-soon{border:1px solid var(--teal);color:var(--teal);background:transparent}
.badge-end{border:1px solid var(--weak);color:var(--weak);background:transparent}

/* ---------- generic section ---------- */
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.eyebrow{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--teal);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor;border-radius:2px}
.sec-h2{position:relative;font-size:28px;line-height:1.3;margin:0 0 14px}
.sec-h2::before{content:"";display:inline-block;width:24px;height:3px;background:var(--orange);border-radius:2px;vertical-align:middle;margin-right:12px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.sec-lead{max-width:560px;margin:0;color:var(--muted);font-size:15px}
.sec-note{max-width:360px;margin:0;color:var(--weak);font-size:14px;line-height:1.8}

/* ---------- hero ---------- */
.cat-hero{position:relative;display:flex;align-items:flex-end;min-height:320px;background:var(--ink);overflow:hidden;border-top:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.6}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,22,26,.94) 0%,rgba(18,22,26,.72) 52%,rgba(18,22,26,.34) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding-top:96px;padding-bottom:52px;color:#fff}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin:0 0 18px}
.breadcrumb a{color:rgba(255,255,255,.66)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb span.sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:#fff}
.cat-hero h1{font-size:clamp(30px,4vw,50px);line-height:1.15;font-weight:700;color:#fff;max-width:820px;margin:0 0 18px}
.cat-hero-sub{max-width:620px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);margin:0 0 28px}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:rgba(255,255,255,.8);margin:0 0 16px}
.hero-tagline .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(244,87,28,.22)}

/* ---------- rule list ---------- */
.rule-list{border-top:1px solid var(--line)}
.rule-item{position:relative;display:grid;grid-template-columns:64px 1fr 44px;gap:20px;align-items:start;padding:28px 20px 28px 0;border-bottom:1px solid var(--line);transition:background .24s var(--ease),padding-left .24s var(--ease)}
.rule-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange);transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease)}
.rule-item:hover{background:var(--white);padding-left:20px}
.rule-item:hover::before{transform:scaleY(1)}
.rule-num{font-family:"Oswald","Barlow Semi Condensed","Inter",sans-serif;font-size:30px;font-weight:600;line-height:1;color:var(--weak);font-variant-numeric:tabular-nums;padding-top:4px}
.rule-body h3{font-size:18px;font-weight:600;margin:0 0 8px;transition:color .24s var(--ease)}
.rule-item:hover .rule-body h3{color:var(--orange)}
.rule-body p{margin:0 0 6px;font-size:15px;line-height:1.85;color:var(--muted)}
.rule-body p:last-child{margin-bottom:0}
.rule-arrow{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);color:var(--weak);transition:all .24s var(--ease)}
.rule-item:hover .rule-arrow{color:var(--orange);border-color:var(--orange);transform:translateX(4px)}

/* ---------- asym cards ---------- */
.asym-grid{align-items:start}
.asym-cell{display:flex}
.asym-card{display:flex;flex-direction:column;width:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.asym-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.asym-cell.shift .asym-card{margin-top:24px}
.asym-card img{width:100%;object-fit:cover;aspect-ratio:16/10}
.asym-body{padding:26px 26px 28px}
.asym-body h3{font-size:19px;font-weight:600;margin:0 0 10px}
.asym-body p{font-size:15px;color:var(--muted);margin:0 0 14px}
.asym-meta{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-size:12.5px;color:var(--muted)}

/* ---------- status rows ---------- */
.status-rows{border-top:1px solid var(--line)}
.status-row{display:grid;grid-template-columns:130px 230px 1fr;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:background .24s var(--ease)}
.status-row:hover{background:rgba(255,255,255,.7)}
.status-row h3{font-size:17px;font-weight:600;margin:0}
.status-row p{margin:0;font-size:15px;color:var(--muted)}
.status-row.is-dim{opacity:.72}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:#fff;padding:88px 0}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.3;margin:0 0 14px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16px;margin:0 0 30px}
.cta-note{margin:20px 0 0;font-size:13px;color:rgba(255,255,255,.48)}

/* ---------- faq ---------- */
.faq-list.accordion{background:transparent;border:0;margin:0}
.faq-list .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;transition:background .24s var(--ease)}
.faq-list .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-list .accordion-item.is-active{background:var(--soft)}
.faq-list .accordion-title{position:relative;display:block;min-height:64px;padding:20px 56px 20px 20px;border:0;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;transition:color .16s var(--ease)}
.faq-list .accordion-title:hover{color:var(--orange)}
.faq-list .accordion-title::before{content:"+";position:absolute;right:20px;top:50%;width:auto;height:auto;margin:0;transform:translateY(-50%);font-size:22px;font-weight:400;line-height:1;color:var(--weak);transition:transform .24s var(--ease),color .24s var(--ease)}
.faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);color:var(--orange)}
.faq-list .accordion-content{padding:0 56px 24px 20px;border:0;background:transparent;color:var(--muted);font-size:16px;line-height:1.85}
.faq-list .accordion-content p{margin:0}

/* ---------- related ---------- */
.related{padding:64px 0 96px}
.related-links{display:flex;flex-wrap:wrap;gap:16px}
.related-link{display:inline-flex;align-items:center;gap:12px;min-height:56px;padding:0 24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);color:var(--ink);font-weight:600;font-size:15px;box-shadow:var(--sh);transition:all .24s var(--ease)}
.related-link:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-3px);box-shadow:var(--sh-hover)}
.related-link i{font-size:13px;color:var(--weak);transition:transform .24s var(--ease),color .24s var(--ease)}
.related-link:hover i{color:var(--orange);transform:translateX(4px)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#9AA1A8;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer .brand-mark{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:#9AA1A8;margin:0 0 12px}
.footer-domain{display:inline-block;font-size:13px;color:#7C858D;letter-spacing:.04em}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{display:inline-block;font-size:14px;color:#9AA1A8;transition:color .16s var(--ease),transform .16s var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:14px;line-height:1.9;color:#9AA1A8;margin:0}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0 32px;font-size:13px;color:#7C858D}
.to-top{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:#9AA1A8}
.to-top:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .badge{display:none}
  .mobile-nav{display:block;position:fixed;inset:64px 0 0;z-index:70;background:var(--white);padding:8px 16px 96px;overflow-y:auto;transform:translateX(100%);transition:transform .32s var(--ease);visibility:hidden}
  .mobile-nav.is-open{transform:translateX(0);visibility:visible}
  .mobile-nav a.m-link{display:block;font-size:18px;padding:18px 4px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:600}
  .mobile-nav a.m-link.is-active{color:var(--orange)}
  .mobile-nav .m-cta{position:fixed;left:16px;right:16px;bottom:20px}
  .mobile-nav .m-cta .btn{width:100%}
  body.nav-open{overflow:hidden}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
  .rule-item{grid-template-columns:48px 1fr 36px;gap:16px}
  .status-row{grid-template-columns:120px 1fr;gap:10px 20px;align-items:start}
  .status-row p{grid-column:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .sec-h2{font-size:22px}
  .sec-h2::before{width:18px;margin-right:10px}
  .cat-hero{min-height:auto}
  .cat-hero-inner{padding-top:72px;padding-bottom:40px}
  .cat-hero h1{font-size:30px}
  .cat-hero-sub{font-size:15px}
  .rule-item{grid-template-columns:40px 1fr;gap:14px;padding:22px 0}
  .rule-num{font-size:24px}
  .rule-arrow{display:none}
  .asym-cell.shift .asym-card{margin-top:0}
  .asym-body{padding:22px 20px 24px}
  .status-row{grid-template-columns:1fr;gap:8px}
  .status-row p{grid-column:1}
  .cta-band{padding:64px 0}
  .cta-inner h2{font-size:23px}
  .faq-list .accordion-title{padding:18px 48px 18px 16px;font-size:16px}
  .faq-list .accordion-content{padding:0 48px 20px 16px;font-size:15px}
  .related{padding:48px 0 64px}
  .related-link{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --ink:#12161A;
  --text:#3A4147;
  --text2:#565E66;
  --muted:#8A9299;
  --line:#D8D5CF;
  --soft:#EFEDE8;
  --orange:#F4571C;
  --orange-d:#D2430F;
  --teal:#0E7B6B;
  --err:#C0392B;
  --r-card:10px;
  --r-btn:6px;
  --sh-1:0 1px 2px rgba(18,22,26,.06);
  --sh-2:0 10px 30px rgba(18,22,26,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--text);text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{list-style:none;padding:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 16px;}
@media (min-width:1024px){.wrap{padding:0 24px;}}
@media (min-width:1440px){:root{--wrap:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:64px;display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,240,.92);border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 1px 2px rgba(18,22,26,.04);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{width:28px;height:28px;flex:0 0 28px;color:var(--orange);}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:40px;
  padding:8px 13px;font-size:15px;color:var(--text2);border-radius:var(--r-btn);white-space:nowrap;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--soft);}
.nav-link.is-active{color:var(--orange);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--orange);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;border:1px solid transparent;
}
.badge-live{background:var(--orange);color:#fff;}
.badge-soon{background:transparent;border-color:var(--teal);color:var(--teal);}
.badge-done{background:transparent;border-color:var(--muted);color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background .24s var(--ease),color .24s var(--ease),transform .16s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:56px;font-size:17px;padding:0 32px;}
.btn-lg i{transition:transform .24s var(--ease);}
.btn-lg:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink);font-size:17px;cursor:pointer;
}

/* ---------- article hero ---------- */
.article-hero{padding:40px 0 8px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--orange);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--text2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:flex-end;
  max-width:900px;margin:0 auto;padding:28px 0 32px;border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--teal);margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--teal);display:inline-block;}
.article-head h1{
  font-size:38px;line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.meta-row i{margin-right:4px;}
.share-group{display:flex;gap:8px;}
.share-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--white);
  color:var(--text2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.share-btn:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px);}

/* ---------- layout ---------- */
.article-section{padding:48px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start;}
.article-shell{min-width:0;}
.feature-figure{max-width:760px;margin:0 auto 36px;}
.feature-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-1);}
.feature-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;}

.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:44px 0 16px;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;background:var(--orange);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;background:var(--orange);border-radius:1px;
}
.article-body ol{counter-reset:li;padding-left:0;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;font-size:13px;font-weight:700;color:var(--orange);
}
.article-body blockquote{
  margin:0 0 1.4em;padding:20px 22px;background:var(--soft);
  border-left:3px solid var(--teal);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-card);margin:8px 0 6px;}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--line);}
.article-body a:hover{color:var(--teal);text-decoration-color:var(--teal);}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--soft);color:var(--ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- aside toc ---------- */
.article-aside{position:sticky;top:96px;}
.toc-title{
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--muted);margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;border-left:1px solid var(--line);}
.toc-link{
  position:relative;display:block;padding:7px 0 7px 14px;font-size:13px;line-height:1.6;color:var(--muted);
  transition:color .16s var(--ease);
}
.toc-link:hover{color:var(--ink);}
.toc-link.is-active{color:var(--orange);font-weight:600;}
.toc-link.is-active::before{
  content:"";position:absolute;left:-1px;top:6px;bottom:6px;width:2px;background:var(--orange);border-radius:2px;
}

/* ---------- article footer area ---------- */
.article-foot{max-width:760px;margin:56px auto 0;padding-top:32px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);font-size:13px;color:var(--text2);
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.tag:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px);}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.pager-card{
  display:block;padding:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfcbc4;}
.pager-card .pager-label{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--muted);}
.pager-card .pager-title{display:block;margin-top:8px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;}
.pager-card.is-next{text-align:right;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:28px;font-size:14px;color:var(--text2);
  text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--line);
}
.back-link:hover{color:var(--teal);text-decoration-color:var(--teal);}
.back-link i{transition:transform .24s var(--ease);}
.back-link:hover i{transform:translateX(-4px);}

.empty-note{
  max-width:760px;margin:0 auto;padding:56px 24px;text-align:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
}
.empty-note h2{font-size:20px;color:var(--ink);font-weight:700;margin-bottom:10px;}
.empty-note p{color:var(--text2);font-size:15px;margin-bottom:22px;}

/* ---------- related ---------- */
.related{padding:96px 0 0;}
.section-head-2{margin-bottom:36px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.rel-card{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-card:nth-child(2){margin-top:28px;}
.rel-card img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.rel-body{padding:20px 20px 24px;}
.rel-body .rel-cat{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  border:1px solid var(--teal);color:var(--teal);font-size:12px;font-weight:600;margin-bottom:12px;
}
.rel-body h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.5;}
.rel-body p{margin-top:10px;font-size:14px;color:var(--text2);line-height:1.8;}
.rel-body .rel-time{margin-top:14px;font-size:13px;color:var(--muted);}

/* ---------- end cta ---------- */
.end-cta{margin-top:96px;background:var(--soft);border-top:1px solid var(--line);padding:72px 0;}
.end-cta-inner{max-width:720px;margin:0 auto;text-align:center;}
.end-cta h2{
  position:relative;font-size:28px;font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:-.01em;
}
.end-cta p{margin-top:16px;font-size:16px;color:var(--text2);}
.end-cta .cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.end-cta .fine{margin-top:20px;font-size:13px;color:var(--muted);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#9AA1A8;margin-top:0;padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9AA1A8;max-width:26ch;}
.footer-domain{
  display:inline-block;margin-top:14px;font-size:13px;letter-spacing:.04em;color:#6E767D;
  font-family:Inter,"PingFang SC",sans-serif;font-variant-numeric:tabular-nums;
}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:#9AA1A8;transition:color .24s var(--ease),transform .24s var(--ease);display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:14px;line-height:2;color:#9AA1A8;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 0 32px;font-size:13px;color:#6E767D;
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:#9AA1A8;font-size:13px;}
.to-top:hover{color:#fff;}
.to-top i{font-size:12px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .site-header{height:56px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:56px;left:0;right:0;bottom:0;z-index:70;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:var(--white);padding:8px 16px 120px;overflow-y:auto;
    transform:translateX(100%);transition:transform .3s var(--ease);
    box-shadow:-10px 0 30px rgba(18,22,26,.08);
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{padding:18px 4px;font-size:18px;color:var(--ink);border-bottom:1px solid var(--line);border-radius:0;min-height:56px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{color:var(--orange);}
  .nav-actions .badge{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rel-card:nth-child(2){margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .article-hero{padding:24px 0 0;}
  .article-head{grid-template-columns:minmax(0,1fr);align-items:flex-start;gap:20px;padding:22px 0 26px;}
  .article-head h1{font-size:26px;line-height:1.3;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;margin:34px 0 14px;}
  .related{padding:64px 0 0;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager-card.is-next{text-align:left;}
  .end-cta{margin-top:64px;padding:56px 0;}
  .end-cta h2{font-size:22px;}
  .end-cta .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:32px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .nav-actions .btn-sm{display:none;}
  .breadcrumb .current{max-width:24ch;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --ink:#12161A;
  --ink-soft:#3A4147;
  --ink-mid:#565E66;
  --ink-mute:#8A9299;
  --line:#D8D5CF;
  --soft:#EFEDE8;
  --orange:#F4571C;
  --orange-dark:#D2430F;
  --teal:#0E7B6B;
  --err:#C0392B;
  --r-card:10px;
  --r-btn:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,26,.06);
  --sh-2:0 10px 30px rgba(18,22,26,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;
}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.wrap{max-width:1280px}}
@media (max-width:767px){.wrap{padding:0 16px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,240,.94);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(18,22,26,.04);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;color:var(--ink);flex:0 0 auto}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;justify-content:center;gap:26px;flex:1 1 auto}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-mid);
  padding:6px 0;white-space:nowrap;transition:color .16s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link.is-active{color:var(--orange);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--orange);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

.badge{
  display:inline-flex;align-items:center;justify-content:center;
  height:23px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-live{background:var(--orange);color:#fff}
.badge-soon{border:1px solid var(--teal);color:var(--teal);background:transparent}
.badge-done{border:1px solid var(--ink-mute);color:var(--ink-mute);background:transparent;opacity:.72}
.badge-plain{background:var(--soft);color:var(--ink-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),
             transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;padding:0 34px;font-size:17px}
.btn-lg:hover i{transform:translateX(4px)}
.btn-block{width:100%}
@media (max-width:767px){
  .btn{height:44px;padding:0 22px}
  .btn-lg{height:56px}
}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;background:transparent;
  border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:18px;cursor:pointer;transition:border-color .16s var(--ease),color .16s var(--ease);
}
.nav-toggle:hover{border-color:var(--ink);color:var(--ink)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:64px 0 0 0;z-index:70;
  background:var(--white);
  padding:16px 20px 24px;
  display:none;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--orange)}
.drawer-link i{font-size:14px;color:var(--ink-mute)}
.drawer-cta{margin-top:24px}
.drawer-note{margin-top:18px;font-size:13px;color:var(--ink-mute)}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0}
.section--tight{padding:64px 0}
@media (max-width:1023px){.section{padding:72px 0}.section--tight{padding:52px 0}}
@media (max-width:767px){.section{padding:56px 0}.section--tight{padding:44px 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--teal);margin-bottom:14px;
}
.eyebrow::before{content:"";display:block;width:18px;height:2px;background:var(--teal);border-radius:2px}

.sec-title{
  position:relative;font-size:28px;line-height:1.32;letter-spacing:-.01em;
  padding-left:20px;margin:0 0 14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;
  width:3px;background:var(--orange);border-radius:2px;
}
@media (max-width:767px){.sec-title{font-size:22px;padding-left:16px}}
.sec-sub{color:var(--ink-mid);max-width:68ch;font-size:15.5px}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-mute);margin-bottom:20px;line-height:1.6}
.crumb a{transition:color .16s var(--ease)}
.crumb a:hover{color:var(--orange)}
.crumb .sep{padding:0 7px;color:var(--line)}
.crumb .current{color:var(--ink-mid)}

/* ---------- 页头（双栏图文型） ---------- */
.page-hero{
  padding:56px 0 24px;
  background:linear-gradient(180deg,#EFEDE8 0%,rgba(239,237,232,0) 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;
}
.page-title{
  font-size:44px;line-height:1.16;letter-spacing:-.01em;
  margin:0 0 18px;
}
.page-lead{
  font-size:17px;line-height:1.8;color:var(--ink-mid);
  max-width:42ch;margin:0 0 28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid var(--line);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,22,26,0) 45%,rgba(18,22,26,.38) 100%);
  pointer-events:none;
}
.media-badge{
  position:absolute;right:14px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--orange);color:#fff;
  font-size:12px;font-weight:600;line-height:1;
}

@media (max-width:1023px){
  .hero-grid{gap:36px}
  .page-title{font-size:34px}
}
@media (max-width:899px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .page-hero{padding:36px 0 8px}
  .hero-media img{aspect-ratio:16/10}
}
@media (max-width:767px){
  .page-title{font-size:30px}
  .page-lead{font-size:15.5px}
}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:60px;align-items:center;
}
.split + .split{margin-top:72px}
.split-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid var(--line);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-copy .eyebrow{margin-bottom:12px}
.split-title{
  font-size:23px;line-height:1.36;letter-spacing:-.01em;margin:0 0 18px;
}
.pt-list li{
  position:relative;padding-left:22px;margin-bottom:14px;
  font-size:15.5px;color:var(--ink-soft);line-height:1.8;
}
.pt-list li:last-child{margin-bottom:0}
.pt-list li::before{
  content:"";position:absolute;left:2px;top:.66em;
  width:8px;height:8px;background:var(--orange);border-radius:2px;
  transform:rotate(45deg);
}
.split.reverse .split-media{order:2}
.split.reverse .split-copy{order:1}

@media (max-width:899px){
  .split{grid-template-columns:1fr;gap:26px}
  .split + .split{margin-top:52px}
  .split.reverse .split-media{order:0}
  .split.reverse .split-copy{order:0}
  .split-title{font-size:20px}
}

/* ---------- 竖向时间轴 ---------- */
.timeline{margin-top:8px}
.tl-item{
  display:grid;grid-template-columns:72px 1fr 220px;
  gap:28px;align-items:start;
  padding:28px 0;border-top:1px solid var(--line);
}
.tl-item:last-child{border-bottom:1px solid var(--line)}
.tl-num{
  font-size:30px;font-weight:600;line-height:1.1;
  color:var(--orange);font-variant-numeric:tabular-nums;
  font-family:"Barlow Semi Condensed","Inter",sans-serif;
}
.tl-title{font-size:19px;line-height:1.4;margin:0 0 8px}
.tl-text{font-size:15px;color:var(--ink-mid);margin:0}
.tl-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
  margin-bottom:10px;
}
.tl-tag--live{background:var(--orange);color:#fff}
.tl-tag--soon{border:1px solid var(--teal);color:var(--teal)}
.tl-tag--wait{border:1px solid var(--ink-mute);color:var(--ink-mute)}
.tl-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);
}
@media (max-width:1023px){
  .tl-item{grid-template-columns:56px 1fr;gap:20px}
  .tl-media{grid-column:2;margin-top:16px;max-width:320px}
  .tl-num{font-size:26px}
}
@media (max-width:767px){
  .tl-item{grid-template-columns:44px 1fr;gap:16px;padding:24px 0}
  .tl-num{font-size:22px}
  .tl-title{font-size:17px}
}

/* ---------- CTA 区 ---------- */
.cta-band{background:var(--soft);padding:80px 0}
.cta-inner{max-width:720px;margin:0 auto;text-align:center}
.cta-title{font-size:30px;line-height:1.3;letter-spacing:-.01em;margin:0 0 14px}
.cta-text{font-size:16px;color:var(--ink-mid);margin:0 0 28px}
.cta-note{font-size:13px;color:var(--ink-mute);margin:18px 0 0}
@media (max-width:767px){
  .cta-band{padding:56px 0}
  .cta-title{font-size:23px}
}

/* ---------- FAQ（Foundation accordion 定制） ---------- */
.faq-block{max-width:860px}
ul.accordion.faq{
  background:transparent;border:0;margin:8px 0 0;
}
ul.accordion.faq .accordion-item{
  border:0;border-top:1px solid var(--line);background:transparent;
  transition:background .24s var(--ease);
}
ul.accordion.faq .accordion-item:last-child{border-bottom:1px solid var(--line)}
ul.accordion.faq .accordion-item.is-active{background:var(--soft)}
ul.accordion.faq .accordion-title{
  position:relative;display:flex;align-items:center;
  min-height:64px;padding:18px 56px 18px 0;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  border:0;background:transparent;
  transition:padding .24s var(--ease),color .24s var(--ease);
}
ul.accordion.faq .accordion-title:hover{color:var(--orange)}
ul.accordion.faq .accordion-title::before{
  content:"+";position:absolute;right:10px;top:50%;
  transform:translateY(-50%);
  font-size:26px;font-weight:400;line-height:1;color:var(--ink-mute);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
ul.accordion.faq .accordion-title[aria-expanded="true"]::before{
  transform:translateY(-50%) rotate(45deg);color:var(--orange);
}
ul.accordion.faq .accordion-content{
  padding:0 56px 22px 0;border:0;background:transparent;
  font-size:16px;line-height:1.85;color:var(--ink-mid);
}
ul.accordion.faq .accordion-item.is-active .accordion-title{padding-left:18px}
ul.accordion.faq .accordion-item.is-active .accordion-content{padding-left:18px}
@media (max-width:767px){
  ul.accordion.faq .accordion-title{font-size:16px;padding-right:44px}
  ul.accordion.faq .accordion-content{font-size:15px;padding-right:12px}
  ul.accordion.faq .accordion-item.is-active .accordion-title{padding-left:12px}
  ul.accordion.faq .accordion-item.is-active .accordion-content{padding-left:12px}
}

/* ---------- 分类跳转 ---------- */
.cat-links{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:36px;padding-top:28px;border-top:1px solid var(--line);
}
.cat-links .cat-links-label{font-size:13px;color:var(--ink-mute);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);
  font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:border-color .2s var(--ease),color .2s var(--ease),
             transform .2s var(--ease),box-shadow .2s var(--ease);
}
.chip i{font-size:12px;color:var(--teal);transition:transform .2s var(--ease)}
.chip:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px);box-shadow:var(--sh-1)}
.chip:hover i{transform:translateX(3px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9AA1A8;padding:72px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand-mark{color:#fff}
.site-footer .brand-text{color:#fff}
.footer-brand p{font-size:14px;color:#9AA1A8;margin:16px 0 12px;line-height:1.75}
.footer-domain{font-size:13px;color:#6E767E;letter-spacing:.04em}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 18px}
.footer-links li{margin-bottom:10px}
.footer-links a{
  display:inline-block;font-size:14px;color:#9AA1A8;
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:14px;line-height:1.9;color:#9AA1A8;margin:0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding-top:24px;font-size:13px;color:#6E767E;
}
.to-top{color:#9AA1A8;font-size:13px;transition:color .16s var(--ease)}
.to-top:hover{color:#fff}
.to-top i{margin-left:4px;font-size:11px}
@media (max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:640px){
  .site-footer{padding:52px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .badge-live{display:none}
}
@media (max-width:767px){
  .nav-wrap{height:56px}
  .brand-text{font-size:16px}
  .nav-actions .btn-sm{padding:0 16px;font-size:13px;height:38px}
  .drawer{inset:56px 0 0 0}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --ink:#12161A;
  --text:#3A4147;
  --muted:#565E66;
  --weak:#8A9299;
  --line:#D8D5CF;
  --soft:#EFEDE8;
  --orange:#F4571C;
  --orange-dark:#D2430F;
  --teal:#0E7B6B;
  --err:#C0392B;
  --r-card:10px;
  --r-btn:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,26,.06);
  --sh-2:0 10px 30px rgba(18,22,26,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
button{font-family:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:104px 0;}
.section-tight{padding:80px 0;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,244,240,.82);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,240,.96);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand-mark{width:28px;height:28px;color:var(--ink);flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 12px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:6px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(18,22,26,.05);}
.nav-link.is-active{color:var(--orange);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--orange);
  border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:10px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:6px;
  background:var(--white);
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
}
.nav-drawer-cta{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;
  border:1.5px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--orange);border-color:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-secondary{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-secondary:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:56px;padding:0 32px;font-size:17px;}
.btn-block{width:100%;}
.btn-arrow i{transition:transform .24s var(--ease);}
.btn-arrow:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
  white-space:nowrap;
}
.badge-live{background:var(--orange);color:#fff;}
.badge-soon{border:1px solid var(--teal);color:var(--teal);background:transparent;}
.badge-done{border:1px solid var(--weak);color:var(--weak);background:transparent;}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 2s var(--ease) infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.eyebrow{
  font-size:12.5px;font-weight:600;letter-spacing:.12em;
  color:var(--teal);margin:0 0 12px;
}
.eyebrow::before{content:"— ";letter-spacing:0;}
.eyebrow-light{color:#8FD3C8;}
.eyebrow-center{text-align:center;}
.eyebrow-center::before{content:"";}

/* ============ 页头（居中大排版） ============ */
.cat-hero{padding:56px 0 72px;text-align:center;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 62%);}
.cat-hero .wrap{max-width:760px;}
.crumbs{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:13px;color:var(--weak);
  margin-bottom:28px;
}
.crumbs a:hover{color:var(--orange);}
.crumb-sep{color:var(--line);}
.hero-rule{display:block;width:60px;height:2px;background:var(--orange);margin:26px auto;}
.cat-hero h1{
  font-size:44px;line-height:1.2;letter-spacing:-.01em;
  margin:0 0 16px;
}
.hero-sub{font-size:18px;color:var(--muted);margin:0 0 20px;}
.hero-lead{font-size:16px;color:var(--text);max-width:660px;margin:0 auto 28px;}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}

/* ============ 区块头 ============ */
.sec-head{margin-bottom:44px;max-width:720px;}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-title{position:relative;font-size:28px;line-height:1.32;padding-left:18px;letter-spacing:-.01em;}
.sec-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  background:var(--orange);border-radius:2px;
}
.sec-title-plain{padding-left:0;}
.sec-title-plain::before{display:none;}
.sec-lead{margin:16px 0 0;color:var(--muted);font-size:16px;}

/* ============ 双列对照卡 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.compare-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9C5BD;}
.card-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;
  border-radius:var(--r-card);
  background:var(--soft);
  color:var(--teal);
  font-size:19px;
  margin-bottom:18px;
}
.compare-card h3{font-size:19px;font-weight:600;margin-bottom:14px;}
.mini-list li{
  position:relative;
  padding-left:16px;
  margin-bottom:10px;
  font-size:15px;
  color:var(--text);
  line-height:1.8;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:6px;height:6px;border-radius:2px;background:var(--orange);
}

/* ============ 横向长图带 ============ */
.band{position:relative;background:var(--ink);overflow:hidden;}
.band-media{position:absolute;inset:0;}
.band-media img{width:100%;height:100%;object-fit:cover;}
.band-veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,22,26,.92) 0%,rgba(18,22,26,.66) 48%,rgba(18,22,26,.28) 100%);
}
.band-body{position:relative;z-index:2;display:flex;align-items:center;min-height:420px;padding:88px 0;}
.band-copy{max-width:600px;color:#fff;}
.band-copy .sec-title{color:#fff;font-size:30px;}
.band-copy p{color:rgba(255,255,255,.82);font-size:16px;margin:16px 0 26px;}

/* ============ 上手顺序（非对称图文） ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.split-media{margin:0;position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;}
.step-list{margin-top:34px;}
.step-item{
  display:grid;grid-template-columns:58px 1fr;gap:20px;
  padding:26px 0;
  border-top:1px solid var(--line);
}
.step-item:first-child{border-top:0;padding-top:0;}
.step-num{
  font-size:30px;font-weight:600;line-height:1;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.step-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.step-item p{margin:0;font-size:15px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-accordion{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:18px 20px;
  font-size:17px;font-weight:600;color:var(--ink);
  background:transparent;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.accordion-title:hover{background:var(--soft);color:var(--ink);}
.accordion-item.is-active>.accordion-title{background:var(--soft);}
.faq-plus{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;color:var(--weak);font-size:15px;
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.accordion-item.is-active .faq-plus{transform:rotate(45deg);color:var(--orange);}
.accordion-content{
  display:none;
  padding:0 20px 26px;
  font-size:16px;line-height:1.85;color:var(--text);
  background:transparent;
}
.accordion-item.is-active>.accordion-content{display:block;background:var(--soft);}
.accordion-content p:last-child{margin-bottom:0;}

/* ============ 订阅 ============ */
.subscribe{background:var(--white);border-top:1px solid var(--line);}
.sub-inner{max-width:600px;margin:0 auto;text-align:center;}
.sub-inner .sec-title{display:inline-block;text-align:left;}
.sub-lead{color:var(--muted);margin:16px 0 30px;}
.sub-form{text-align:left;}
.sub-form label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px;}
.sub-row{display:flex;gap:12px;}
.sub-form input[type="email"]{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--paper);color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.sub-form input[type="email"]::placeholder{color:var(--weak);}
.sub-form input[type="email"]:focus{
  outline:none;background:var(--white);
  border-color:var(--orange);box-shadow:0 0 0 1px var(--orange);
}
.sub-form input.is-error{border-color:var(--err);box-shadow:0 0 0 1px var(--err);}
.form-hint{font-size:13px;color:var(--weak);margin:12px 0 0;}
.form-error{font-size:13px;color:var(--err);margin:8px 0 0;font-weight:600;}
.form-ok{font-size:13px;color:var(--teal);margin:8px 0 0;font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;font-size:14.5px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.site-footer .brand-mark{color:#fff;}
.site-footer .brand-text{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.62);margin:0 0 14px;font-size:14px;}
.footer-domain{
  display:inline-block;font-size:13px;letter-spacing:.04em;
  color:#9AA1A8;border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);padding:3px 12px;
}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#9AA1A8;display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-note{color:#9AA1A8;line-height:1.9;margin:0;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;font-size:13px;color:#9AA1A8;
}
.to-top{color:#9AA1A8;display:inline-flex;align-items:center;gap:8px;}
.to-top:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .wrap{max-width:1280px;}
  .cat-hero h1{font-size:52px;}
}
@media (max-width:1023px){
  .nav-wrap{height:56px;gap:16px;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .badge{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:56px;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:16px 20px 32px;
    background:var(--white);
    transform:translateX(100%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    z-index:79;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    font-size:18px;padding:18px 4px;border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-link.is-active{color:var(--orange);}
  .nav-link.is-active::after{display:none;}
  .nav-drawer-cta{display:inline-flex;margin-top:28px;}
  .section{padding:80px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-media img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .band-body{padding:72px 0;}
  .band-copy{max-width:100%;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .cat-hero{padding:36px 0 52px;}
  .cat-hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .sec-title{font-size:22px;}
  .compare-grid{grid-template-columns:1fr;gap:16px;}
  .compare-card{padding:24px 20px;}
  .band-body{min-height:360px;padding:56px 0;}
  .band-copy .sec-title{font-size:23px;}
  .step-item{grid-template-columns:46px 1fr;gap:14px;}
  .step-num{font-size:24px;}
  .accordion-title{font-size:16px;padding:16px 14px;}
  .accordion-content{padding:0 14px 22px;}
  .sub-row{flex-direction:column;}
  .sub-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{min-height:44px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}