/* roulang page: index */
:root{
  --ink:#12181A;
  --ink-2:#3A4749;
  --ink-3:#7C8A8B;
  --primary:#0F7B72;
  --primary-deep:#0A5A55;
  --primary-soft:#E3F1EF;
  --accent:#F0A63A;
  --accent-deep:#C97F18;
  --alert:#E0563F;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E5E1D8;
  --dark:#0E1F1E;
  --on-dark:#EAF2F0;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.06), 0 8px 24px rgba(18,24,26,.06);
  --sh-2:0 2px 6px rgba(18,24,26,.08), 0 18px 40px rgba(18,24,26,.10);
  --sh-focus:0 0 0 3px rgba(15,123,114,.16);
  --nav-h:64px;
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
input{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm);}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 容器与栅格 ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.grid12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.section{padding:var(--sect) 0;}
.section--surface{background:var(--surface);}
.section--bg{background:var(--bg);}
.section--dark{background:var(--dark);color:var(--on-dark);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:640px;}
.section--dark .section-head p{color:rgba(234,242,240,.72);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-soft);color:var(--primary);
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.eyebrow--dark{background:rgba(234,242,240,.10);color:var(--on-dark);}
.text-link{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link::after{content:"";width:14px;height:1px;background:currentColor;transition:width .2s ease;}
.text-link:hover::after{width:22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(227,241,239,.6);color:var(--primary-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#231404;box-shadow:var(--sh-1);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-light{background:rgba(234,242,240,.14);border-color:rgba(234,242,240,.28);color:var(--on-dark);}
.btn-light:hover{background:rgba(234,242,240,.24);color:#fff;transform:translateY(-1px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(247,245,240,0);border-bottom:1px solid transparent;
  transition:background-color .25s ease,height .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  display:grid;grid-template-columns:55% 45%;align-items:center;
  height:var(--nav-h);transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:56px;}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand:hover{color:var(--primary-deep);}
.brand-mark{width:20px;height:20px;flex:none;color:var(--primary);}
.brand-mark .dot{fill:var(--accent);}
.nav-links{display:flex;align-items:center;gap:28px;min-width:0;}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);border-radius:2px;transition:width .22s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{width:12px;}
.nav-links a.is-active{color:var(--primary);}
.nav-links a.is-active::after{width:100%;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  height:44px;width:190px;padding:0 42px 0 16px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);color:var(--ink);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{border-color:var(--primary);box-shadow:var(--sh-focus);outline:none;}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;display:grid;place-items:center;border-radius:var(--r-sm);color:var(--ink-3);
}
.nav-search button:hover{color:var(--primary);background:var(--primary-soft);}
.nav-cta{height:44px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,30,.5);opacity:0;pointer-events:none;
  transition:opacity .28s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;background:var(--surface);
  z-index:95;transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-md);display:grid;place-items:center;color:var(--ink-2);}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-links a{
  padding:14px 12px;border-radius:var(--r-md);font-size:16px;font-weight:500;color:var(--ink);
}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--primary-soft);color:var(--primary-deep);}
.drawer form{display:flex;gap:10px;margin-bottom:18px;}
.drawer input{
  flex:1;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-md);font-size:14px;
}
.drawer input:focus{border-color:var(--primary);box-shadow:var(--sh-focus);outline:none;}
.drawer .btn-ghost{height:44px;padding:0 16px;}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.7;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:calc(var(--nav-h) + 56px) 0 88px;
  background:var(--bg);
  min-height:560px;
}
.hero-grid{display:grid;grid-template-columns:55% 45%;gap:48px;align-items:center;}
.hero-copy{max-width:620px;}
.hero h1{
  font-size:clamp(30px,5.2vw,54px);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 40px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:36px;}
.metric{min-width:104px;}
.metric b{display:block;font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.metric span{font-size:12px;color:var(--ink-3);letter-spacing:.02em;}
.hero-visual{position:relative;}
.hero-shot{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:420px;background:#DCE7E4;box-shadow:var(--sh-2);
}
.hero-shot img{width:100%;height:100%;min-height:420px;object-fit:cover;}
.hero-float{
  position:absolute;left:24px;bottom:24px;right:auto;top:auto;
  background:var(--surface);border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:14px;display:flex;gap:12px;max-width:290px;
}
.hero-float img{width:64px;height:52px;border-radius:10px;object-fit:cover;background:#DCE7E4;flex:none;}
.hero-float strong{display:block;font-size:14px;font-weight:600;line-height:1.5;}
.hero-float span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px;line-height:1.6;}
.hero-badge-float{
  position:absolute;right:-10px;top:32px;
  background:var(--dark);color:var(--on-dark);
  border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:10px;
}
.hero-badge-float b{font-size:18px;font-weight:800;}
.hero-badge-float span{font-size:12px;color:rgba(234,242,240,.7);display:block;}
.pulse-dot{
  width:9px;height:9px;border-radius:50%;background:var(--accent);flex:none;
  box-shadow:0 0 0 0 rgba(240,166,58,.55);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(240,166,58,.5);}
  70%{box-shadow:0 0 0 10px rgba(240,166,58,0);}
  100%{box-shadow:0 0 0 0 rgba(240,166,58,0);}
}
@media (prefers-reduced-motion:reduce){
  .pulse-dot{animation:none;}
  html{scroll-behavior:auto;}
}
.hero-cloud{position:absolute;right:-40px;top:90px;width:340px;opacity:.08;pointer-events:none;}

/* ---------- 信任横条 ---------- */
.trust{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-item{padding:32px 20px;text-align:center;}
.trust-item + .trust-item{border-left:1px solid var(--line);}
.trust-item b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.trust-item span{display:block;font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ---------- 玩法介绍：非对称双栏 ---------- */
.play-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.play-intro h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:700;margin-bottom:14px;}
.play-intro p{color:var(--ink-2);margin-bottom:20px;}
.play-intro ul{display:flex;flex-direction:column;gap:10px;margin-bottom:26px;}
.play-intro ul li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);}
.play-intro ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.75;
}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.steps::before{
  content:"";position:absolute;left:8px;right:8px;top:15px;height:1px;
  background:linear-gradient(90deg,var(--primary) 0%,var(--primary) 70%,transparent 100%);
  opacity:.35;
}
.step{position:relative;padding-top:44px;}
.step-num{
  position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;
  background:var(--surface);border:1px solid var(--primary);color:var(--primary);
  display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.step h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--ink-2);}

/* ---------- 奖励预览（暗场） ---------- */
.reward-grid{display:grid;grid-template-columns:12fr;gap:40px;align-items:start;}
.reward-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
.reward-layout .section-head{display:block;margin-bottom:0;}
.reward-layout .section-head h2{color:var(--on-dark);}
.reward-layout .section-head p{color:rgba(234,242,240,.7);}
.reward-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.reward-card{
  position:relative;overflow:hidden;
  background:rgba(234,242,240,.04);
  border:1px solid rgba(234,242,240,.16);
  border-radius:var(--r-lg);padding:20px;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.reward-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,rgba(240,166,58,.9),rgba(15,123,114,.2));
}
.reward-card:hover{transform:translateY(-3px);border-color:rgba(240,166,58,.45);background:rgba(234,242,240,.07);}
.reward-card--lg{grid-column:span 2;padding:24px;}
.reward-thumb{
  border-radius:var(--r-md);overflow:hidden;background:#16302E;margin:14px 0 16px;
  aspect-ratio:16/9;
}
.reward-thumb img{width:100%;height:100%;object-fit:cover;}
.reward-card h3{font-size:17px;font-weight:600;color:var(--on-dark);line-height:1.45;}
.reward-card p{font-size:13px;line-height:1.8;color:rgba(234,242,240,.66);margin-top:8px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.4;
}
.pill-primary{background:var(--primary-soft);color:var(--primary);}
.pill-accent{background:rgba(240,166,58,.16);color:var(--accent);border:1px solid rgba(240,166,58,.4);}
.pill-alert{background:rgba(224,86,63,.16);color:#F49C8A;border:1px solid rgba(224,86,63,.42);}
.pill-dark{background:rgba(234,242,240,.10);color:var(--on-dark);border:1px solid rgba(234,242,240,.2);}
.pill-muted{background:#EFEDE7;color:var(--ink-3);border:1px solid var(--line);}

/* ---------- 任务进度 ---------- */
.progress-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.progress-summary .big{
  font-size:clamp(40px,6vw,60px);font-weight:800;line-height:1.05;letter-spacing:-.03em;color:var(--primary);
}
.progress-summary .big small{font-size:20px;font-weight:700;color:var(--ink-3);margin-left:4px;}
.progress-summary p{color:var(--ink-2);margin-top:14px;max-width:320px;}
.track{
  height:8px;border-radius:var(--r-pill);background:var(--line);overflow:hidden;margin-bottom:28px;
}
.track span{
  display:block;height:100%;width:68%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 100%);
}
.milestones{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.milestone{position:relative;padding-top:22px;}
.milestone::before{
  content:"";position:absolute;top:0;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--surface);border:2px solid var(--line);
}
.milestone.is-done::before{background:var(--primary);border-color:var(--primary);}
.milestone.is-doing::before{background:var(--surface);border-color:var(--accent);box-shadow:0 0 0 4px rgba(240,166,58,.16);}
.milestone b{display:block;font-size:14px;font-weight:700;}
.milestone span{display:block;font-size:12px;color:var(--ink-3);margin-top:2px;}
.status-bar{
  margin-top:32px;background:var(--primary-soft);border-radius:var(--r-md);
  padding:16px 20px;display:flex;align-items:center;gap:12px;font-size:14px;color:var(--primary-deep);
}
.status-bar svg{flex:none;width:18px;height:18px;color:var(--primary);}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);color:inherit;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,123,114,.32);color:inherit;}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.5;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:18px;font-size:13px;color:var(--ink-3);
}
.news-meta .arrow{width:16px;height:16px;color:var(--primary);transition:transform .2s ease;}
.news-card:hover .arrow{transform:translateX(3px);}
.news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.news-empty svg{width:64px;height:64px;color:var(--primary);opacity:.5;}
.news-empty p{font-size:16px;color:var(--ink-2);}
.news-more{margin-top:32px;display:flex;justify-content:center;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-head{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:36px;}
.faq-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:700;}
.faq-head p{color:var(--ink-2);font-size:15px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;color:var(--primary);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{
  padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:720px;
}
.faq-item.is-open .faq-a{background:transparent;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;padding:48px;
  display:grid;grid-template-columns:60% 40%;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);line-height:1.35;font-weight:700;color:#fff;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-band .btn-accent{background:var(--accent);color:#231404;}
.cta-band .btn-accent:hover{background:var(--accent-deep);color:#fff;}
.cta-band .btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);color:#fff;}
.cta-band .btn-light:hover{background:rgba(255,255,255,.24);}
.cta-cloud{position:absolute;left:-30px;bottom:-30px;width:320px;opacity:.14;pointer-events:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:var(--on-dark);}
.footer-brand:hover{color:var(--accent);}
.footer-brand svg{width:20px;height:20px;color:var(--accent);}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(234,242,240,.66);max-width:300px;}
.footer-col h3{font-size:14px;font-weight:700;color:var(--on-dark);margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(234,242,240,.7);}
.footer-col a:hover{color:var(--accent);}
.footer-col li span{font-size:14px;color:rgba(234,242,240,.7);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(234,242,240,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(234,242,240,.55);
}
.footer-bottom a{color:rgba(234,242,240,.55);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .container{max-width:1280px;}
}
@media (max-width:1023px){
  :root{--sect:72px;}
  .nav-inner{grid-template-columns:60% 40%;}
  .nav-links{display:none;}
  .nav-search input{width:150px;}
  .hero-grid{grid-template-columns:60% 40%;gap:32px;}
  .hero-shot img,.hero-shot{min-height:360px;}
  .play-grid{grid-template-columns:1fr;gap:32px;}
  .reward-layout{grid-template-columns:1fr;gap:28px;}
  .reward-cards{grid-template-columns:repeat(2,1fr);}
  .reward-card--lg{grid-column:span 2;}
  .progress-layout{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767px){
  :root{--sect:56px;--nav-h:56px;}
  .container{padding:0 18px;}
  .nav-inner{grid-template-columns:1fr auto;height:56px;}
  .nav-right .nav-search,
  .nav-right .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:calc(56px + 28px) 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-visual{order:-1;}
  .hero-shot,.hero-shot img{min-height:240px;height:240px;}
  .hero-shot::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(14,31,30,.4) 0%,rgba(14,31,30,0) 58%);
    pointer-events:none;
  }
  .hero-float{left:12px;bottom:12px;max-width:none;right:12px;padding:12px;}
  .hero-float img{width:52px;height:44px;}
  .hero-badge-float{right:12px;top:12px;padding:10px 13px;}
  .hero h1{font-size:clamp(28px,7.6vw,38px);}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;margin:26px 0 32px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:24px;}
  .trust-row{grid-template-columns:1fr 1fr;}
  .trust-item{padding:24px 12px;}
  .trust-item:nth-child(3){border-left:0;}
  .trust-item:nth-child(n+3){border-top:1px solid var(--line);}
  .trust-item + .trust-item{border-left:1px solid var(--line);}
  .trust-item:nth-child(odd){border-left:0;}
  .trust-item b{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .steps::before{display:none;}
  .step{padding-top:0;padding-left:46px;min-height:32px;}
  .step-num{top:2px;}
  .reward-cards{grid-template-columns:1fr;}
  .reward-card--lg{grid-column:span 1;}
  .milestones{grid-template-columns:1fr 1fr;gap:20px;}
  .news-grid{grid-template-columns:1fr;}
  .faq-head{grid-template-columns:1fr;gap:14px;align-items:start;}
  .cta-band{padding:32px 24px;}
  .cta-actions{gap:12px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .trust-row{grid-template-columns:1fr;}
  .trust-item{border-left:0 !important;border-top:1px solid var(--line);padding:20px 0;text-align:left;}
  .trust-item:first-child{border-top:0;}
  .milestones{grid-template-columns:1fr;}
  .hero-metrics{gap:20px;}
}

/* roulang page: article */
:root{
  --ink:#12181A;--ink-2:#3A4749;--ink-3:#7C8A8B;
  --primary:#0F7B72;--primary-deep:#0A5A55;--primary-soft:#E3F1EF;
  --accent:#F0A63A;--accent-deep:#C97F18;--alert:#E0563F;
  --bg:#F7F5F0;--surface:#FFFFFF;--line:#E5E1D8;
  --dark:#0E1F1E;--on-dark:#EAF2F0;
  --r-sm:8px;--r-md:14px;--r-lg:22px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.06),0 8px 24px rgba(18,24,26,.06);
  --sh-2:0 2px 6px rgba(18,24,26,.08),0 18px 40px rgba(18,24,26,.10);
  --sh-focus:0 0 0 3px rgba(15,123,114,.16);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
.num{font-variant-numeric:tabular-nums}

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

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary);background:#EFF7F6}
.btn-accent{background:var(--accent);color:#3A2606}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn:focus-visible{outline:none;box-shadow:var(--sh-focus)}

/* ------- 导航 ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:height .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.header-inner{
  display:flex;align-items:center;gap:28px;height:64px;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--ink);flex:0 0 auto}
.brand svg{width:22px;height:22px;color:var(--primary);flex:0 0 auto}
.brand .dot{fill:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px;margin-right:auto}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);border-radius:2px;transition:width .22s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{width:12px}
.nav-links a.is-active{color:var(--primary)}
.nav-links a.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{display:flex;align-items:center;gap:0;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-md);padding:3px 3px 3px 12px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-focus)}
.nav-search input{border:0;outline:none;background:transparent;height:36px;width:150px;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  height:36px;padding:0 14px;border:0;border-radius:10px;background:var(--primary-soft);
  color:var(--primary-deep);font-size:13px;font-weight:600;cursor:pointer;transition:background .2s ease;
}
.nav-search button:hover{background:#CFE8E4}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:12px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer-mask{position:fixed;inset:0;background:rgba(14,31,30,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;background:var(--surface);z-index:80;transform:translateX(100%);transition:transform .28s ease;padding:20px;display:flex;flex-direction:column;gap:20px;box-shadow:var(--sh-2)}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:12px;font-size:20px;line-height:1;color:var(--ink-2);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:14px 12px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--ink-2)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--primary-soft);color:var(--primary-deep)}
.drawer-cta{width:100%}

/* ------- 页面头部 ------- */
.page-head{padding:44px 0 0;background:var(--bg)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);line-height:1.7}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C9C3B6}
.breadcrumb .current{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:22px;display:flex;gap:28px;align-items:flex-start;justify-content:space-between}
.article-head-main{max-width:820px}
.article-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:800;letter-spacing:.2px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-3)}
.meta-row .tag{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary-deep);font-size:12px;font-weight:600}
.meta-row .dot-sep{width:1px;height:14px;background:var(--line);display:inline-block}
.head-stamp{
  flex:0 0 auto;display:none;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:12px;color:var(--ink-3);background:var(--surface);
}
@media (min-width:1024px){.head-stamp{display:inline-flex}}

/* ------- 正文区 ------- */
.article-section{padding:40px 0 var(--sp-section)}
.article-layout{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:start}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px clamp(20px,3vw,44px);
}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.article-body > * + *{margin-top:1.15em}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.6vw,27px);line-height:1.35;font-weight:700;color:var(--ink);
  margin:32px 0 14px;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:.95em;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);margin:28px 0 12px;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(15,123,114,.3);transition:border-color .2s ease,color .2s ease}
.article-body a:hover{color:var(--primary-deep);border-bottom-color:var(--primary-deep)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:2px}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary-soft);border:1.5px solid var(--primary)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.1em;
  font-size:12px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--primary-soft);
  border-left:3px solid var(--primary);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);font-size:15px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);border:1px solid var(--line);background:#EFEDE6;margin:20px 0 8px}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;line-height:1.7;margin-top:10px}
.article-body table{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin:24px 0;font-size:15px}
.article-body thead{display:none}
.article-body tbody,.article-body tr,.article-body td{display:block;width:100%}
.article-body tr{border-bottom:1px solid var(--line);padding:14px 18px}
.article-body tr:last-child{border-bottom:0}
.article-body td{border:0;padding:3px 0;color:var(--ink-2);line-height:1.75}
.article-body td:first-child{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body code{
  background:#F1EFE9;border:1px solid var(--line);border-radius:6px;padding:2px 6px;
  font-size:14px;color:var(--primary-deep);word-break:break-all;
}
.article-body pre{
  background:var(--dark);color:var(--on-dark);border-radius:var(--r-md);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.75;margin:22px 0;
}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}

/* ------- 侧栏 ------- */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.side-card h3 svg{width:16px;height:16px;color:var(--primary)}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px}
.toc-list li a{
  display:block;font-size:14px;line-height:1.7;color:var(--ink-2);padding:8px 10px;border-radius:10px;
  border-left:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list li a:hover{background:var(--bg);color:var(--primary-deep);border-left-color:var(--primary)}
.toc-list li.toc-h3 a{padding-left:22px;font-size:13px;color:var(--ink-3)}
.side-note{
  margin-top:14px;background:var(--primary-soft);border-radius:var(--r-md);padding:16px;
  font-size:13px;line-height:1.8;color:var(--primary-deep);
}
.side-links{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.side-links a{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;transition:color .2s ease}
.side-links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.side-links a:hover{color:var(--primary)}

/* ------- 相关推荐 ------- */
.related{padding:0 0 var(--sp-section)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:8px;max-width:560px}
.related-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#BFDCD8}
.card-media{position:relative;background:#EDEAE2;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-lg .card-media{aspect-ratio:16/9}
.card-sm .card-media{aspect-ratio:4/3}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:1.8;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.card-foot time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.pill{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary-deep)}
.pill-accent{background:#FDF1DE;color:var(--accent-deep)}
.related-side{display:flex;flex-direction:column;gap:24px}

/* ------- 翻页 ------- */
.post-nav-wrap{padding:0 0 var(--sp-section)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#BFDCD8}
.post-nav-item .pn-label{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.post-nav-item .pn-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.post-nav-item.next{text-align:right;align-items:flex-end}
.post-back{display:flex;justify-content:center;margin-top:24px}
.post-back a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);
  padding:10px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.post-back a:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px)}

/* ------- CTA ------- */
.cta-band{padding:0 0 var(--sp-section)}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:center;
}
.cta-inner h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-inner .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.cta-inner .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff}
.cloud-line{position:absolute;right:-40px;top:-30px;width:320px;height:220px;opacity:.08;pointer-events:none}

/* ------- 空态 ------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px 24px;box-shadow:var(--sh-1);
}
.empty-state svg{width:64px;height:64px;color:var(--primary);opacity:.55}
.empty-state p{font-size:16px;color:var(--ink-2)}

/* ------- 页脚 ------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-brand svg{width:22px;height:22px;color:var(--accent)}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(234,242,240,.72);max-width:320px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(234,242,240,.72);line-height:1.7;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(234,242,240,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(234,242,240,.6);
}

/* ------- 响应式 ------- */
@media (max-width:1023px){
  :root{--sp-section:72px}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-search input{width:110px}
  .nav-links{gap:20px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  :root{--sp-section:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  .header-inner{height:56px;gap:14px}
  .site-header.is-scrolled .header-inner{height:56px}
  .page-head{padding:28px 0 0}
  .article-title{font-size:clamp(23px,6vw,30px)}
  .article-panel{padding:24px 18px;border-radius:var(--r-md)}
  .article-body h2{margin-top:28px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-about{max-width:none}
  .cta-inner{padding:26px 20px}
}
@media (max-width:520px){
  .meta-row{gap:8px}
  .breadcrumb{font-size:12px}
  .breadcrumb .current{white-space:normal}
  .side-card{padding:18px}
  .card-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --ink:#12181A;
  --ink-2:#3A4749;
  --ink-3:#7C8A8B;
  --primary:#0F7B72;
  --primary-deep:#0A5A55;
  --primary-soft:#E3F1EF;
  --accent:#F0A63A;
  --accent-deep:#C97F18;
  --alert:#E0563F;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E5E1D8;
  --dark:#0E1F1E;
  --on-dark:#EAF2F0;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.06),0 8px 24px rgba(18,24,26,.06);
  --sh-2:0 2px 6px rgba(18,24,26,.08),0 18px 40px rgba(18,24,26,.10);
  --sh-focus:0 0 0 3px rgba(15,123,114,.16);
  --nav-h:64px;
  --sec-y:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:none;
  box-shadow:var(--sh-focus);
  border-radius:var(--r-sm);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
svg{flex:none;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{
  background:var(--primary-deep);
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:var(--surface);
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{
  border-color:var(--primary);
  background:rgba(227,241,239,.6);
  color:var(--primary-deep);
  transform:translateY(-1px);
}
.btn-accent{
  background:var(--accent);
  color:#3A2A08;
  box-shadow:var(--sh-1);
}
.btn-accent:hover{
  background:var(--accent-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 标签 / 徽章 ============ */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1;
  background:var(--primary-soft);
  color:var(--primary-deep);
}
.pill-accent{background:rgba(240,166,58,.2);color:var(--accent-deep);}
.pill-outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);}
.pill-dot::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  display:inline-block;
  animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.4;transform:scale(.75);}
}
@media (prefers-reduced-motion:reduce){
  .pill-dot::before{animation:none;}
  *{transition:none !important;}
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:var(--nav-h);
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  height:56px;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:rgba(247,245,240,.96);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.header-left{
  display:flex;
  align-items:center;
  gap:36px;
  flex:0 1 55%;
  min-width:0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:800;
  letter-spacing:.3px;
  color:var(--ink);
}
.brand svg{width:20px;height:20px;color:var(--primary);}
.brand:hover{color:var(--primary-deep);}
.brand:hover svg{color:var(--primary-deep);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  min-width:0;
}
.nav-links a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width .22s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{width:12px;}
.nav-links a.is-active{color:var(--primary-deep);font-weight:600;}
.nav-links a.is-active::after{width:100%;}
.header-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 1 45%;
  justify-content:flex-end;
}
.header-search{
  display:flex;
  align-items:center;
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:0 4px 0 12px;
  height:44px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{
  border-color:var(--primary);
  box-shadow:var(--sh-focus);
}
.header-search input{
  width:150px;
  height:100%;
  border:0;
  background:transparent;
  color:var(--ink);
  font-size:14px;
  outline:none;
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search button{
  height:34px;
  padding:0 14px;
  border-radius:10px;
  background:var(--primary-soft);
  color:var(--primary-deep);
  font-size:13px;
  font-weight:600;
  transition:background-color .2s ease,color .2s ease;
}
.header-search button:hover{background:var(--primary);color:#fff;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(14,31,30,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:90;
}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:82%;
  max-width:340px;
  background:var(--surface);
  z-index:100;
  transform:translateX(102%);
  transition:transform .28s ease;
  padding:24px 22px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:10px;
}
.drawer-close{
  width:40px;height:40px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--ink-2);
}
.drawer a.drawer-link{
  display:block;
  padding:14px 12px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
}
.drawer a.drawer-link:hover{background:var(--bg);color:var(--primary-deep);}
.drawer a.drawer-link.is-active{
  background:var(--primary-soft);
  color:var(--primary-deep);
  font-weight:600;
}
.drawer .btn{width:100%;margin-top:12px;}

/* ============ 页头 ============ */
.page-head{
  padding:calc(var(--nav-h) + 56px) 0 72px;
  background:var(--bg);
  position:relative;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-120px;top:40px;
  width:520px;height:320px;
  border:1px solid rgba(15,123,114,.08);
  border-radius:50%;
  pointer-events:none;
}
.head-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:40px;
  align-items:center;
  position:relative;
  z-index:1;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-2);}
.page-head h1{
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.4px;
  margin:14px 0 16px;
}
.page-head h1 em{
  font-style:normal;
  color:var(--primary);
}
.lead{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:34em;
}
.head-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.head-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:200px;
  height:240px;
  background:linear-gradient(135deg,#E3F1EF,#D6E8E5);
  box-shadow:var(--sh-1);
  border:1px solid var(--line);
}
.head-figure img{
  width:100%;height:100%;
  object-fit:cover;
}

/* ============ 速览条 ============ */
.quickbar{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.quick-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.quick-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
}
.quick-item:last-child{border-right:0;}
.quick-num{
  font-size:22px;
  font-weight:800;
  color:var(--primary-deep);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.3px;
}
.quick-label{
  font-size:13px;
  color:var(--ink-3);
  margin-top:4px;
  line-height:1.6;
}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--surface);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{
  font-size:15px;
  color:var(--ink-2);
  max-width:38em;
  margin-top:12px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:.6px;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--primary);
  opacity:.5;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary-deep);
  border-bottom:1px solid rgba(15,123,114,.3);
  padding-bottom:2px;
}
.text-link:hover{color:var(--accent-deep);border-color:var(--accent);}

/* ============ 功能区（左目录 + 右条目） ============ */
.func-layout{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:40px;
  align-items:start;
}
.toc{
  position:sticky;
  top:88px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.toc h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--ink);
}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;
  padding:10px 12px;
  border-radius:var(--r-md);
  font-size:14px;
  color:var(--ink-2);
  border-left:2px solid transparent;
}
.toc a:hover{
  background:var(--bg);
  color:var(--primary-deep);
  border-left-color:var(--primary);
}
.toc-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  line-height:1.7;
  color:var(--ink-3);
}

.entry-group{margin-bottom:48px;}
.entry-group:last-child{margin-bottom:0;}
.entry-group h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:600;
  margin-bottom:6px;
}
.entry-group h3 .num{
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-pill);
  padding:5px 11px;
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.entry-group > p{
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:14px;
}
.entry-list{
  border-top:1px solid var(--line);
}
.entry-row{
  display:grid;
  grid-template-columns:40px 72px 1fr auto;
  gap:18px;
  align-items:center;
  padding:18px 12px;
  border-bottom:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:background-color .2s ease,transform .2s ease;
}
.entry-row:hover{background:var(--bg);}
.entry-row:active{transform:scale(.997);}
.entry-no{
  font-size:14px;
  font-weight:700;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.entry-thumb{
  width:72px;height:54px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:#DCE9E7;
  border:1px solid var(--line);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-main{min-width:0;}
.entry-title{
  display:block;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  margin-bottom:2px;
}
.entry-row:hover .entry-title{color:var(--primary-deep);}
.entry-desc{
  display:block;
  font-size:14px;
  line-height:1.75;
  color:var(--ink-2);
}
.entry-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:6px;
  text-align:right;
}
.entry-time{
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.flow-grid::before{
  content:"";
  position:absolute;
  top:26px;left:6%;right:6%;
  height:1px;
  background:linear-gradient(90deg,rgba(15,123,114,.45),rgba(240,166,58,.45));
}
.flow-step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-step:hover{
  transform:translateY(-3px);
  border-color:rgba(15,123,114,.35);
  box-shadow:var(--sh-2);
}
.flow-step .dot{
  width:14px;height:14px;
  border-radius:50%;
  background:var(--surface);
  border:3px solid var(--primary);
  display:block;
  margin-bottom:18px;
}
.flow-step:nth-child(4) .dot{border-color:var(--accent);}
.flow-step .idx{
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.8px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{
  font-size:17px;
  font-weight:600;
  margin:6px 0 8px;
}
.flow-step p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ============ 适用场景 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.scene-card{
  display:grid;
  grid-template-columns:1fr 168px;
  gap:22px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{
  transform:translateY(-3px);
  border-color:rgba(15,123,114,.35);
  box-shadow:var(--sh-2);
}
.scene-card h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:8px;
}
.scene-card p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}
.scene-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:14px;
}
.scene-figure{
  width:168px;height:118px;
  border-radius:var(--r-md);
  overflow:hidden;
  background:#DCE9E7;
  border:1px solid var(--line);
}
.scene-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 提示条 ============ */
.notice{
  display:flex;
  align-items:flex-start;
  gap:14px;
  background:var(--primary-soft);
  border-radius:var(--r-lg);
  padding:20px 24px;
  margin-top:40px;
  font-size:14px;
  line-height:1.8;
  color:var(--primary-deep);
}
.notice svg{width:20px;height:20px;margin-top:3px;color:var(--primary);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 4px;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .icon{
  position:relative;
  width:22px;height:22px;
  flex:none;
  border-radius:50%;
  border:1px solid rgba(15,123,114,.35);
}
.faq-item summary .icon::before,
.faq-item summary .icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--primary);
  transform:translate(-50%,-50%);
  transition:opacity .2s ease,transform .2s ease;
}
.faq-item summary .icon::before{width:10px;height:1.5px;}
.faq-item summary .icon::after{width:1.5px;height:10px;}
.faq-item[open] summary .icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] summary{color:var(--primary-deep);}
.faq-body{
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  border-radius:var(--r-md);
  padding:16px 20px 20px;
  margin-bottom:14px;
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:#fff;
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-90px;
  width:360px;height:220px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:50%;
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.8vw,30px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:32em;
}
.cta-actions{
  display:flex;
  gap:12px;
  justify-content:flex-end;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.cta-band .btn-ghost{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.32);
  color:#fff;
}
.cta-band .btn-ghost:hover{
  background:rgba(255,255,255,.22);
  border-color:rgba(255,255,255,.6);
  color:#fff;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--on-dark);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand svg{width:20px;height:20px;color:var(--accent);}
.footer-about{
  font-size:14px;
  line-height:1.85;
  color:rgba(234,242,240,.72);
  max-width:30em;
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,
.footer-col span{
  font-size:14px;
  color:rgba(234,242,240,.72);
  line-height:1.7;
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid rgba(234,242,240,.14);
  font-size:13px;
  color:rgba(234,242,240,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .header-search input{width:120px;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .header-left{gap:24px;flex:0 1 60%;}
  .header-right{flex:0 1 40%;}
  .nav-links{gap:20px;}
  .header-search input{width:96px;}
  .head-grid{grid-template-columns:6fr 4fr;gap:28px;}
  .head-figure{height:200px;}
  .func-layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .toc ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc a{border-left:0;border:1px solid var(--line);padding:8px 14px;border-radius:var(--r-pill);}
  .toc a:hover{border-color:var(--primary);}
  .toc-note{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:860px){
  .nav-links,.header-search{display:none;}
  .nav-toggle{display:flex;}
  .header-left{flex:1 1 auto;}
  .header-right{flex:0 0 auto;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .quick-item{border-right:1px solid var(--line);}
  .quick-item:nth-child(2n){border-right:0;}
  .quick-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .flow-grid::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--nav-h:56px;--sec-y:56px;}
  .container{padding:0 18px;}
  .page-head{padding:calc(var(--nav-h) + 36px) 0 52px;}
  .head-grid{grid-template-columns:1fr;gap:24px;}
  .head-figure{order:-1;height:230px;}
  .head-actions .btn{width:100%;}
  .entry-row{
    grid-template-columns:72px 1fr;
    grid-template-areas:
      "thumb main"
      "meta  meta";
    gap:14px 14px;
    padding:16px 8px;
  }
  .entry-no{display:none;}
  .entry-thumb{grid-area:thumb;width:72px;height:54px;}
  .entry-main{grid-area:main;}
  .entry-meta{
    grid-area:meta;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:10px;
  }
  .scene-card{grid-template-columns:1fr;}
  .scene-figure{width:100%;height:160px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .quick-grid{grid-template-columns:1fr;}
  .quick-item{border-right:0 !important;border-bottom:1px solid var(--line);}
  .quick-item:last-child{border-bottom:0;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:28px;}
  .page-head h1{font-size:30px;}
  .entry-title{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --ink:#12181A;
  --ink-2:#3A4749;
  --ink-3:#7C8A8B;
  --primary:#0F7B72;
  --primary-deep:#0A5A55;
  --primary-soft:#E3F1EF;
  --accent:#F0A63A;
  --accent-deep:#C97F18;
  --alert:#E0563F;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E5E1D8;
  --dark:#0E1F1E;
  --on-dark:#EAF2F0;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,24,26,.06), 0 8px 24px rgba(18,24,26,.06);
  --sh-2:0 2px 6px rgba(18,24,26,.08), 0 18px 40px rgba(18,24,26,.10);
  --sh-focus:0 0 0 3px rgba(15,123,114,.16);
  --font:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --sec-desktop:96px;
  --sec-tablet:72px;
  --sec-mobile:56px;
}
*,*::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(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background-color .2s ease;}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.2px;}
h1{font-size:clamp(30px,5.2vw,54px);line-height:1.2;font-weight:800;}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
  gap:24px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:56px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
}
.brand svg{
  width:20px;
  height:20px;
  color:var(--primary);
  flex:none;
}
.brand .brand-dot{fill:var(--accent);}
.brand:hover{color:var(--primary);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width .22s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{width:12px;}
.nav-links a.is-active{color:var(--primary);font-weight:600;}
.nav-links a.is-active::after{width:100%;}
.nav-tools{display:flex;align-items:center;gap:14px;flex:none;}
.nav-search{
  display:flex;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  height:40px;
  padding:0 6px 0 12px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:var(--sh-focus);}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex:none;}
.nav-search input{
  border:none;
  outline:none;
  background:transparent;
  width:126px;
  height:100%;
  padding:0 8px;
  font-size:13px;
  color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(227,241,239,.6);color:var(--primary-deep);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#3a2606;}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;
  justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;color:var(--ink);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(14,31,30,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease, visibility .28s ease;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:82%;
  max-width:340px;
  background:var(--surface);
  z-index:80;
  transform:translateX(100%);
  transition:transform .3s ease;
  padding:22px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;background:var(--surface);
}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:block;
  padding:13px 14px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
}
.drawer-nav a.is-active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600;}
.drawer-nav a:hover{background:var(--bg);color:var(--primary);}
.drawer .btn{width:100%;height:48px;}

/* ============ 页头（浅主色条） ============ */
.page-hero{
  background:linear-gradient(180deg,var(--primary-soft) 0%,rgba(227,241,239,.45) 100%);
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-40px;
  width:340px;
  height:340px;
  border:1px solid rgba(15,123,114,.08);
  border-radius:50%;
  pointer-events:none;
}
.page-hero-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:52px 0 46px;
  position:relative;
  z-index:1;
}
.page-hero h1{
  font-size:clamp(26px,4vw,40px);
  line-height:1.25;
}
.page-hero .breadcrumb{
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.page-hero .breadcrumb a:hover{color:var(--primary);}
.page-hero .breadcrumb .sep{opacity:.6;}
.page-hero .breadcrumb .current{color:var(--ink-2);}
.page-hero .hero-sub{
  margin:14px 0 0;
  font-size:15px;
  color:var(--ink-2);
  max-width:640px;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:9px 18px;
  font-size:13px;
  font-weight:600;
  color:var(--primary-deep);
  white-space:nowrap;
  box-shadow:var(--sh-1);
  flex:none;
}
.status-pill .pulse{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 0 rgba(240,166,58,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(240,166,58,.55);}
  70%{box-shadow:0 0 0 9px rgba(240,166,58,0);}
  100%{box-shadow:0 0 0 0 rgba(240,166,58,0);}
}
@media (prefers-reduced-motion:reduce){
  .status-pill .pulse{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============ 标签切换条 ============ */
.tabbar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:64px;
  z-index:40;
}
.site-header.is-scrolled ~ .tabbar{top:56px;}
.tabbar-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.tabbar-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:none;
  padding:9px 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  border:1px solid var(--line);
  background:var(--surface);
  transition:all .2s ease;
  white-space:nowrap;
}
.tab:hover{border-color:var(--primary);color:var(--primary);}
.tab.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

/* ============ 板块基础 ============ */
.section{padding:var(--sec-desktop) 0;}
.section.tight{padding:64px 0;}
.section-white{background:var(--surface);}
.section-dark{background:var(--dark);color:var(--on-dark);}
.section-dark h2,.section-dark h3{color:var(--on-dark);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:40px;
}
.section-head p{
  margin:10px 0 0;
  color:var(--ink-3);
  font-size:15px;
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:16px;
}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.text-link svg{width:14px;height:14px;transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(3px);}
.tag{
  display:inline-block;
  font-size:12px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary-deep);
  font-weight:600;
}
.tag-accent{background:rgba(240,166,58,.16);color:var(--accent-deep);}
.tag-alert{background:rgba(224,86,63,.12);color:var(--alert);}

/* ============ 规则总览卡 ============ */
.rule-overview{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.overview-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.overview-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,123,114,.35);
}
.overview-item .ov-num{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.overview-item .ov-label{
  margin-top:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
}
.overview-item .ov-desc{
  margin:8px 0 0;
  font-size:13px;
  color:var(--ink-3);
  line-height:1.7;
}

/* ============ 2列图文卡 ============ */
.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.media-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.media-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,123,114,.35);
}
.media-card .thumb{
  aspect-ratio:16/9;
  background:var(--primary-soft);
  overflow:hidden;
}
.media-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.media-card:hover .thumb img{transform:scale(1.04);}
.media-card .card-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
  gap:10px;
}
.media-card h3{font-size:18px;line-height:1.45;}
.media-card p{
  margin:0;
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
}
.card-foot .who{display:flex;align-items:center;gap:8px;}

/* ============ 奖励档位（暗场） ============ */
.reward-layout{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.reward-left p{color:rgba(234,242,240,.72);font-size:15px;margin-top:16px;}
.reward-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.reward-card{
  position:relative;
  background:rgba(234,242,240,.05);
  border:1px solid rgba(234,242,240,.16);
  border-radius:var(--r-lg);
  padding:24px 22px;
  overflow:hidden;
  transition:transform .2s ease, border-color .2s ease, background-color .2s ease;
}
.reward-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg,rgba(234,242,240,.6),rgba(234,242,240,0));
}
.reward-card:hover{
  transform:translateY(-3px);
  border-color:rgba(240,166,58,.5);
  background:rgba(234,242,240,.08);
}
.reward-card.wide{grid-column:span 2;}
.reward-card .rc-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.reward-card h3{font-size:17px;color:var(--on-dark);}
.reward-card .rc-value{
  font-size:26px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.reward-card .rc-desc{
  margin:0;
  font-size:13.5px;
  line-height:1.8;
  color:rgba(234,242,240,.7);
}
.reward-note{
  margin-top:24px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  border:1px solid rgba(234,242,240,.16);
  border-radius:var(--r-md);
  padding:16px 18px;
  font-size:13.5px;
  color:rgba(234,242,240,.72);
  line-height:1.8;
}
.reward-note svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:3px;}

/* ============ 要点清单双列对照 ============ */
.point-block{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.point-col{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
}
.point-col h3{
  font-size:18px;
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:16px;
  margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.point-col h3 svg{width:20px;height:20px;color:var(--primary);flex:none;}
.point-col ul{display:flex;flex-direction:column;gap:12px;}
.point-col li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
}
.point-col li::before{
  content:"";
  position:absolute;
  left:4px;
  top:11px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--primary);
}
.point-col.warn li::before{background:var(--alert);}

/* ============ 流程时间线 ============ */
.flow-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.flow-line{
  position:absolute;
  top:19px;
  left:6%;
  right:6%;
  height:1px;
  background:linear-gradient(90deg,var(--primary),rgba(15,123,114,.12));
  z-index:0;
}
.flow-item{position:relative;z-index:1;}
.flow-item .step-num{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
  box-shadow:var(--sh-1);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{margin:0;font-size:14px;line-height:1.8;color:var(--ink-2);}

/* ============ 进度条 ============ */
.progress-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:center;
}
.progress-big{
  font-size:clamp(40px,6vw,64px);
  font-weight:800;
  color:var(--primary);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.progress-big span{font-size:22px;font-weight:700;color:var(--ink-3);margin-left:6px;}
.progress-caption{font-size:14px;color:var(--ink-3);margin-top:10px;}
.track{
  height:8px;
  border-radius:var(--r-pill);
  background:var(--line);
  overflow:hidden;
}
.track-fill{
  height:100%;
  width:72%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.milestones{
  display:flex;
  justify-content:space-between;
  margin-top:18px;
}
.milestone{text-align:center;flex:1;}
.milestone .dot{
  width:12px;height:12px;
  border-radius:50%;
  margin:0 auto 8px;
  background:var(--surface);
  border:2px solid var(--line);
}
.milestone.done .dot{background:var(--primary);border-color:var(--primary);}
.milestone.doing .dot{
  background:var(--surface);
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(240,166,58,.16);
}
.milestone .ms-label{font-size:12px;color:var(--ink-3);}
.milestone .ms-value{font-size:14px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;}
.status-bar{
  margin-top:32px;
  background:var(--primary-soft);
  border-radius:var(--r-md);
  padding:16px 20px;
  font-size:14px;
  color:var(--primary-deep);
  display:flex;
  align-items:center;
  gap:12px;
}
.status-bar svg{width:18px;height:18px;flex:none;}

/* ============ 疑问（FAQ） ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background-color .2s ease;
}
.faq-q:hover{background:var(--bg);}
.faq-item.is-open .faq-q{background:var(--bg);}
.faq-icon{
  position:relative;
  width:18px;height:18px;
  flex:none;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{
  display:none;
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  border-radius:var(--r-lg);
  padding:48px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-120px;
  width:380px;
  height:380px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:50%;
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);}
.cta-band p{
  margin:12px 0 0;
  font-size:15px;
  color:rgba(255,255,255,.82);
  max-width:560px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex:none;
  position:relative;
  z-index:1;
}
.cta-band .btn-ghost{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.35);
  color:#fff;
}
.cta-band .btn-ghost:hover{
  background:rgba(255,255,255,.22);
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.cta-band .btn-accent:hover{color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--on-dark);
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:800;
  color:var(--on-dark);
  margin-bottom:16px;
}
.footer-brand svg{width:20px;height:20px;color:var(--accent);}
.footer-about{
  font-size:14px;
  line-height:1.85;
  color:rgba(234,242,240,.68);
  margin:0;
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  color:var(--on-dark);
  margin-bottom:18px;
  font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{
  font-size:14px;
  color:rgba(234,242,240,.68);
  line-height:1.7;
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(234,242,240,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(234,242,240,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  :root{--sec-desktop:72px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:var(--sec-tablet) 0;}
  .reward-layout{grid-template-columns:1fr;gap:36px;}
  .progress-wrap{grid-template-columns:1fr;gap:32px;}
  .rule-overview{grid-template-columns:repeat(2,1fr);}
  .flow-list{grid-template-columns:repeat(2,1fr);gap:28px;}
  .flow-line{display:none;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .page-hero-inner{padding:44px 0 40px;}
}
@media (max-width:767px){
  :root{--sec-desktop:56px;}
  .container{padding:0 18px;}
  .section{padding:var(--sec-mobile) 0;}
  .section-head{
    flex-direction:column;
    align-items:flex-start;
    gap:16px;
    margin-bottom:28px;
  }
  .page-hero-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:20px;
    padding:36px 0 32px;
  }
  .tabbar{top:56px;}
  .tabbar-inner{padding:12px 0;}
  .card-grid-2{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-card.wide{grid-column:span 1;}
  .point-block{grid-template-columns:1fr;}
  .rule-overview{grid-template-columns:1fr;gap:16px;}
  .flow-list{grid-template-columns:1fr;gap:22px;}
  .flow-item{display:flex;gap:16px;align-items:flex-start;}
  .flow-item .step-num{margin-bottom:0;flex:none;}
  .cta-band{
    flex-direction:column;
    align-items:flex-start;
    padding:34px 24px;
    gap:24px;
  }
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .btn{height:48px;}
  .milestone .ms-value{font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  .page-hero h1{font-size:24px;}
  .overview-item .ov-num{font-size:26px;}
  .cta-band h2{font-size:22px;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a{padding:0 18px 18px;}
  .point-col{padding:22px 20px;}
}