/* roulang page: index */
:root{
  --ink:#0F2E29;
  --ink-2:#17423A;
  --mint:#35E0A1;
  --ember:#FF7A45;
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --line:rgba(16,20,19,.08);
  --text:#101413;
  --text-2:#5B6560;
  --on-ink:#E9EFEA;
  --on-ink-2:#9FB0A8;
  --r-card:18px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(16,20,19,.05);
  --sh-2:0 18px 40px -24px rgba(15,46,41,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease),backdrop-filter 240ms var(--ease);
  background:rgba(16,20,19,.26);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.5);
}
.site-header.is-scrolled{
  background:var(--bg);
  backdrop-filter:blur(0) saturate(1);
  -webkit-backdrop-filter:blur(0) saturate(1);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px -18px rgba(15,46,41,.4);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.05;}
.brand-cn{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--on-ink);transition:color 240ms var(--ease);}
.brand-en{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--on-ink-2);transition:color 240ms var(--ease);}
.is-scrolled .brand-cn{color:var(--ink);}
.is-scrolled .brand-en{color:var(--text-2);}
.is-scrolled .brand-mark .mk-a{stroke:var(--ink);}
.is-scrolled .brand-mark .mk-b{fill:var(--ink);}

.nav-links{display:none;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:rgba(233,239,234,.9);
  transition:color 240ms var(--ease),background 240ms var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;
  transition:transform 240ms var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;background:rgba(255,255,255,.14);}
.nav-links a.is-active::after{transform:scaleX(1);}
.is-scrolled .nav-links a{color:var(--text-2);}
.is-scrolled .nav-links a:hover{color:var(--ink);background:rgba(15,46,41,.06);}
.is-scrolled .nav-links a.is-active{color:var(--ink);background:rgba(53,224,161,.18);}

.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:none;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:rgba(233,239,234,.85);
  font-size:14px;
  transition:all 240ms var(--ease);
}
.is-scrolled .nav-search{background:#fff;border-color:var(--line);color:var(--text-2);}
.nav-search:focus-within{border-color:var(--mint);box-shadow:0 0 0 2px rgba(53,224,161,.25);}
.nav-search input{
  border:0;background:transparent;outline:none;width:110px;font-size:14px;color:inherit;
}
.nav-search input::placeholder{color:currentColor;opacity:.7;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  font-weight:700;
  transition:all 240ms var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--ember);color:#fff;
  padding:11px 22px;font-size:15px;
  box-shadow:0 10px 24px -14px rgba(255,122,69,.9);
}
.btn-primary:hover{background:#f0692f;transform:scale(1.02);}
.btn-primary:active{transform:scale(.99);}
.btn-ghost{
  border:1px solid rgba(255,255,255,.55);
  color:#fff;padding:11px 22px;font-size:15px;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);}
.btn-dark{
  background:var(--ink);color:#fff;padding:12px 24px;font-size:15px;
}
.btn-dark:hover{background:var(--ink-2);transform:scale(1.02);}
.btn-outline-dark{
  border:1px solid rgba(15,46,41,.28);color:var(--ink);
  padding:12px 24px;font-size:15px;background:transparent;
}
.btn-outline-dark:hover{background:rgba(15,46,41,.06);}
.btn-mint{
  background:var(--mint);color:var(--ink);padding:12px 24px;font-size:15px;
}
.btn-mint:hover{background:#2ccf92;transform:scale(1.02);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--mint);outline-offset:2px;
}

.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.is-scrolled .burger{background:#fff;border-color:var(--line);}
.burger span{display:block;height:2px;width:18px;margin:0 auto;background:var(--on-ink);border-radius:2px;transition:background 240ms var(--ease);}
.is-scrolled .burger span{background:var(--ink);}

.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:28px 24px 36px;
  transform:translateY(-100%);
  opacity:0;pointer-events:none;
  transition:transform 320ms var(--ease),opacity 320ms var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-brand{color:var(--on-ink);font-weight:800;font-size:17px;letter-spacing:.02em;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  color:var(--on-ink);font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-links{margin-top:48px;display:flex;flex-direction:column;gap:8px;}
.drawer-links a{
  font-size:26px;font-weight:800;color:var(--on-ink);
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);
  transition:color 200ms var(--ease),padding-left 200ms var(--ease);
}
.drawer-links a:hover{color:var(--mint);padding-left:8px;}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}

/* 首屏 */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;align-items:center;
  background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  padding:130px 0 80px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,46,41,.86) 0%,rgba(15,46,41,.62) 42%,rgba(15,46,41,.42) 68%,rgba(246,243,238,.96) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 12% 18%,rgba(53,224,161,.16),transparent 62%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;align-items:center;width:100%;}
.hero-copy{max-width:640px;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.18em;color:var(--mint);
  text-transform:uppercase;font-weight:700;
}
.hero-kicker::before{content:"";width:26px;height:2px;background:var(--mint);display:block;}
.hero h1{
  margin-top:18px;
  font-size:clamp(2.2rem,6vw,4.25rem);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.08;
  color:#fff;
}
.hero h1 em{font-style:normal;color:var(--mint);}
.hero-sub{
  margin-top:20px;
  font-size:clamp(1rem,1.6vw,1.15rem);
  color:rgba(233,239,234,.9);
  max-width:520px;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:600;
  color:var(--on-ink);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}

.hero-card{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:0 30px 60px -34px rgba(15,46,41,.55);
  max-width:360px;
  width:100%;
  justify-self:start;
}
.hero-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;
  background:rgba(53,224,161,.16);
  color:#0d7a57;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:block;animation:breathe 2.2s var(--ease) infinite;}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.72);}}
.hero-card-time{font-size:12px;color:var(--text-2);}
.hero-card-title{margin-top:16px;font-size:20px;font-weight:800;color:var(--ink);}
.hero-card-desc{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7;}
.mini-bar{margin-top:18px;height:8px;border-radius:999px;background:var(--line);overflow:hidden;}
.mini-bar span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--mint),var(--ink));transition:width 1.4s var(--ease);}
.hero-card-foot{display:flex;align-items:baseline;justify-content:space-between;margin-top:12px;font-size:13px;color:var(--text-2);}
.hero-card-foot b{font-size:22px;color:var(--ink);font-weight:900;}

/* 概览数据条 */
.overview{background:var(--surface);border-bottom:1px solid var(--line);}
.overview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border-radius:var(--r-card);overflow:hidden;}
.overview-cell{background:var(--surface);padding:28px 22px;}
.overview-cell b{display:block;font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:900;color:var(--ink);letter-spacing:-.02em;}
.overview-cell span{display:block;margin-top:6px;font-size:13px;color:var(--text-2);}
.quote-row{display:grid;grid-template-columns:1fr;gap:18px;margin-top:34px;}
.quote{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;font-size:14px;color:var(--text-2);line-height:1.8;
}
.quote strong{display:block;color:var(--ink);font-size:14px;margin-bottom:8px;}

/* 通用标题 */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(1.6rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px;}
.sec-link{
  font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color 240ms var(--ease),color 240ms var(--ease);
}
.sec-link:hover{border-color:var(--mint);}
.label-line{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--text-2);text-transform:uppercase;
}
.label-line::before{content:"";width:18px;height:2px;background:var(--mint);display:block;}

/* 玩法四步 */
.steps{display:grid;grid-template-columns:1fr;gap:24px;}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 24px 26px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.5);}
.step-ghost{
  position:absolute;top:8px;right:14px;
  font-size:3.5rem;font-weight:900;line-height:1;
  color:rgba(15,46,41,.08);
  letter-spacing:-.04em;
}
.step h3{margin-top:14px;font-size:1.25rem;font-weight:700;color:var(--ink);}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.step-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(53,224,161,.16);color:#0d7a57;
  font-size:12px;font-weight:700;letter-spacing:.06em;
}

/* 奖励卡片 */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.rw-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.rw-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.45);}
.rw-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-2);}
.rw-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.rw-card:hover .rw-media img{transform:scale(1.04);}
.rw-badge{
  position:absolute;top:12px;left:12px;
  padding:5px 12px;border-radius:999px;
  background:rgba(15,46,41,.82);color:var(--on-ink);
  font-size:11.5px;font-weight:700;letter-spacing:.08em;
  backdrop-filter:blur(6px);
}
.rw-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.rw-body h3{
  font-size:1.05rem;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:2.6em;
}
.rw-body p{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rw-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);
}
.rw-foot b{color:var(--ink);font-size:15px;font-weight:800;}
.rw-arrow{
  width:32px;height:32px;border-radius:999px;flex:none;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);transition:all 240ms var(--ease);
}
.rw-card:hover .rw-arrow{background:var(--mint);border-color:var(--mint);transform:translateX(3px);}

/* 进度 */
.progress-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:34px 28px;box-shadow:var(--sh-1);
}
.progress-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;}
.progress-top h3{font-size:1.25rem;font-weight:700;color:var(--ink);}
.progress-top span{font-size:14px;color:var(--text-2);}
.progress-num{display:flex;align-items:baseline;gap:6px;}
.progress-num b{font-size:clamp(2rem,5vw,3rem);font-weight:900;color:var(--ink);letter-spacing:-.03em;}
.progress-num i{font-style:normal;color:var(--mint);font-size:1.25rem;font-weight:800;}
.progress-bar{margin-top:22px;height:8px;border-radius:999px;background:var(--line);overflow:hidden;}
.progress-bar span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--mint),var(--ink));transition:width 1.6s var(--ease);}
.nodes{margin-top:32px;display:grid;grid-template-columns:1fr;gap:20px;}
.node{display:flex;gap:14px;align-items:flex-start;position:relative;padding-left:4px;}
.node-dot{width:14px;height:14px;border-radius:50%;flex:none;margin-top:6px;}
.node.done .node-dot{background:var(--mint);}
.node.active .node-dot{background:transparent;border:2px solid var(--mint);animation:pulse 2s var(--ease) infinite;}
.node.todo .node-dot{background:#c9cfcb;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(53,224,161,.5);}50%{box-shadow:0 0 0 8px rgba(53,224,161,0);}}
.node-body strong{display:block;font-size:15px;color:var(--ink);font-weight:700;}
.node-body span{display:block;margin-top:4px;font-size:13.5px;color:var(--text-2);}
.node.done .node-line,.node.active .node-line{position:absolute;left:10px;top:24px;bottom:-20px;width:2px;background:var(--mint);}
.node.todo .node-line{position:absolute;left:10px;top:24px;bottom:-20px;width:2px;background:repeating-linear-gradient(180deg,#c9cfcb 0 4px,transparent 4px 8px);}

/* 深色 CTA */
.cta-band{
  position:relative;
  background:var(--ink);
  border-radius:var(--r-card);
  padding:52px 32px;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.7;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;max-width:560px;}
.cta-inner p{margin-top:12px;color:var(--on-ink-2);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;min-height:220px;
  box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.45);}
.news-card h3{
  margin-top:14px;font-size:1.05rem;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:2.6em;
}
.news-card p{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);
}
.news-empty{
  grid-column:1/-1;
  border:1px dashed rgba(16,20,19,.22);border-radius:var(--r-card);
  padding:40px 24px;text-align:center;color:var(--text-2);font-size:15px;
  background:var(--surface);
}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(15,46,41,.06);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}

/* 订阅 */
.subscribe{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:38px 28px;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
}
.subscribe h2{font-size:clamp(1.35rem,2.6vw,1.75rem);font-weight:800;color:var(--ink);}
.subscribe p{margin-top:10px;color:var(--text-2);font-size:14.5px;}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;}
.sub-form input{
  flex:1 1 220px;min-width:0;
  padding:14px 20px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  font-size:15px;color:var(--text);outline:none;
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.sub-form input::placeholder{color:#9aa4a0;}
.sub-form input:focus{border-color:var(--mint);box-shadow:0 0 0 2px rgba(53,224,161,.22);}
.sub-form .btn{flex:0 0 auto;}

/* FAQ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background 240ms var(--ease);
}
.faq-q:hover{background:rgba(15,46,41,.03);}
.faq-icon{
  width:28px;height:28px;flex:none;border-radius:999px;
  border:1px solid var(--line);position:relative;
  transition:transform 240ms var(--ease),background 240ms var(--ease),border-color 240ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity 240ms var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--mint);border-color:var(--mint);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);}
.faq-a p{padding:0 24px 24px;color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:900px;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-ink);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.footer-brand .brand-cn{color:#fff;}
.footer-brand .brand-en{color:var(--on-ink-2);}
.footer-brand p{margin-top:16px;color:var(--on-ink-2);font-size:14px;max-width:320px;line-height:1.8;}
.footer-title{font-size:14px;letter-spacing:.1em;color:var(--on-ink-2);font-weight:700;margin-bottom:16px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{color:rgba(233,239,234,.82);font-size:14.5px;transition:color 200ms var(--ease);}
.footer-links a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--on-ink-2);
}

.reveal{opacity:0;transform:translateY(18px);transition:opacity 600ms var(--ease),transform 600ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (min-width:640px){
  .overview-grid{grid-template-columns:repeat(4,1fr);}
  .quote-row{grid-template-columns:repeat(3,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .nodes{grid-template-columns:repeat(2,1fr);gap:24px 32px;}
  .subscribe{grid-template-columns:1.1fr 1fr;padding:44px 38px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-search{display:flex;}
  .burger{display:none;}
  .steps{grid-template-columns:repeat(4,1fr);}
  .card-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .nodes{grid-template-columns:repeat(4,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
  .hero-inner{grid-template-columns:1.35fr .9fr;gap:56px;}
  .hero-card{justify-self:end;}
}
@media (min-width:1280px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .hero{min-height:78vh;padding:118px 0 64px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .nav-inner{height:66px;}
  .cta-band{padding:38px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .sub-form .btn{width:100%;}
  .hero-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0F2E29;
  --ink-2:#17423A;
  --mint:#35E0A1;
  --ember:#FF7A45;
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --line:rgba(16,20,19,.08);
  --text:#101413;
  --text-2:#5B6560;
  --on-ink:#E9EFEA;
  --on-ink-2:#9FB0A8;
  --r-card:18px;
  --r-media:14px;
  --r-btn:999px;
  --r-btn-2:12px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,20,19,.05);
  --sh-2:0 18px 40px -24px rgba(15,46,41,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:240ms cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section-label{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--text-2);text-transform:uppercase}
.section-label::before{content:"";width:22px;height:2px;background:var(--mint);border-radius:2px}

/* 阅读进度条 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;background:linear-gradient(90deg,var(--mint),var(--ink));transition:width 120ms linear}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(16,20,19,.26);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 12px 30px -26px rgba(0,0,0,.75);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:var(--bg);border-bottom-color:var(--line);box-shadow:0 10px 26px -22px rgba(15,46,41,.45)}
.nav-inner{display:flex;align-items:center;gap:20px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-cn{font-size:17px;font-weight:900;letter-spacing:-.01em;color:var(--on-ink);transition:color var(--t)}
.brand-en{font-size:10px;letter-spacing:.34em;color:var(--on-ink-2);transition:color var(--t)}
.site-header.is-scrolled .brand-cn{color:var(--ink)}
.site-header.is-scrolled .brand-en{color:var(--text-2)}
.site-header.is-scrolled .brand-mark .mk-a{stroke:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:10px 14px;border-radius:999px;font-size:15px;color:rgba(233,239,234,.88);transition:color var(--t),background var(--t)}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.site-header.is-scrolled .nav-links a{color:var(--text-2)}
.site-header.is-scrolled .nav-links a:hover,.site-header.is-scrolled .nav-links a.is-active{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:var(--on-ink-2);transition:border-color var(--t),background var(--t)}
.nav-search span{font-size:15px}
.nav-search input{width:132px;background:transparent;border:0;outline:none;font-size:14px;color:var(--on-ink)}
.nav-search input::placeholder{color:rgba(233,239,234,.62)}
.site-header.is-scrolled .nav-search{border-color:var(--line);background:#fff}
.site-header.is-scrolled .nav-search input{color:var(--text)}
.site-header.is-scrolled .nav-search input::placeholder{color:var(--text-2)}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.28);flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:border-color var(--t)}
.burger span{width:18px;height:2px;background:var(--on-ink);border-radius:2px;transition:background var(--t)}
.site-header.is-scrolled .burger{border-color:var(--line)}
.site-header.is-scrolled .burger span{background:var(--ink)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t)}
.btn-primary{background:var(--ember);color:#fff;box-shadow:0 10px 28px -16px rgba(255,122,69,.9)}
.btn-primary:hover{background:#f26a33;transform:translateY(-1px) scale(1.02)}
.btn-primary:active{transform:scale(.99)}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:var(--on-ink);background:transparent}
.btn-ghost:hover{border-color:var(--mint);color:#fff;background:rgba(53,224,161,.12)}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:var(--r-btn-2)}
.btn-outline:hover{border-color:var(--mint);box-shadow:var(--sh-1)}
.btn-sm{padding:10px 20px;font-size:14px}
.link-more{position:relative;font-size:14px;font-weight:700;color:var(--ink);padding-bottom:3px}
.link-more::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.link-more:hover::after{transform:scaleX(1)}

/* 文章头部 */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-ink);padding:152px 0 68px}
.article-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.36}
.article-hero-mask{position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,46,41,.94) 0%,rgba(15,46,41,.82) 48%,rgba(23,66,58,.66) 100%)}
.article-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:110px;background:linear-gradient(180deg,rgba(246,243,238,0),var(--bg));z-index:1;pointer-events:none}
.article-hero-inner{position:relative;z-index:2;max-width:920px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-ink-2)}
.crumbs a{color:var(--on-ink-2);transition:color var(--t)}
.crumbs a:hover{color:var(--mint)}
.crumbs .sep{opacity:.5}
.article-title{margin-top:20px;font-size:clamp(1.9rem,4.8vw,3.05rem);font-weight:900;line-height:1.16;letter-spacing:-.02em;color:#fff}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;font-size:13px;color:var(--on-ink-2)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.08em;background:rgba(53,224,161,.16);color:var(--mint);border:1px solid rgba(53,224,161,.35)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(233,239,234,.35)}

/* 正文 */
.article-main{background:var(--bg);padding:56px 0 24px}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:clamp(1.4rem,2.6vw,1.85rem);font-weight:800;line-height:1.42;letter-spacing:-.01em;margin:2em 0 .8em;padding-left:16px;border-left:2px solid var(--mint);color:var(--ink)}
.article-body h3{font-size:1.25rem;font-weight:700;line-height:1.5;margin:1.8em 0 .6em;padding-left:14px;border-left:2px solid var(--mint);color:var(--ink)}
.article-body h4{font-size:1.05rem;font-weight:700;margin:1.5em 0 .5em;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em}
.article-body li{margin-bottom:.55em}
.article-body ul li::marker{color:var(--mint)}
.article-body ol li::marker{color:var(--ink);font-weight:700}
.article-body blockquote{margin:1.8em 0;padding:18px 22px;border-left:3px solid var(--mint);background:rgba(53,224,161,.08);border-radius:0 12px 12px 0;color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-media);margin:1.8em auto;max-width:100%;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption,.article-body .wp-caption-text{text-align:center;font-size:.88rem;color:var(--text-2);margin-top:10px}
.article-body a{color:var(--ink);border-bottom:2px solid rgba(53,224,161,.55);transition:border-color var(--t),color var(--t)}
.article-body a:hover{color:#0b241f;border-color:var(--mint)}
.article-body strong{font-weight:800;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--sh-1)}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:rgba(15,46,41,.05);font-weight:700;color:var(--ink)}
.article-body code{background:rgba(15,46,41,.06);padding:2px 7px;border-radius:6px;font-size:.92em}
.article-empty{max-width:760px;margin:0 auto;padding:56px 32px;border:1px dashed rgba(16,20,19,.2);border-radius:var(--r-card);background:#fff;text-align:center;box-shadow:var(--sh-1)}
.article-empty h2{font-size:1.5rem;font-weight:800;color:var(--ink)}
.article-empty p{margin:14px 0 26px;color:var(--text-2);font-size:15px}

/* 相关推荐 */
.related{background:var(--bg);padding:56px 0 84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;letter-spacing:-.01em;color:var(--ink);margin-top:10px}
.section-head p{margin-top:10px;font-size:14px;color:var(--text-2)}
.card-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-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.card-badge{position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.06em;background:rgba(15,46,41,.82);color:var(--on-ink);backdrop-filter:blur(6px)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;font-weight:800;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2)}
.card-foot .arrow{font-weight:800;color:var(--ink);transition:transform var(--t),color var(--t)}
.news-card:hover .card-foot .arrow{transform:translateX(4px);color:var(--ember)}
.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--on-ink);padding:72px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(233,239,234,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(233,239,234,.06) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;letter-spacing:-.01em;margin-top:12px}
.cta-inner p{margin-top:12px;color:var(--on-ink-2);max-width:560px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex:none}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-ink-2);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:320px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--on-ink-2);margin-bottom:18px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(233,239,234,.82);transition:color var(--t)}
.footer-links a:hover{color:var(--mint)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(233,239,234,.14);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:rgba(233,239,234,.6)}

/* 回到顶部 */
.to-top{position:fixed;right:24px;bottom:26px;width:48px;height:48px;border-radius:50%;background:var(--ink);color:var(--mint);font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity var(--t),transform var(--t),background var(--t);z-index:60}
.to-top.is-show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--ink-2)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:100;background:var(--ink);padding:26px 24px 34px;display:flex;flex-direction:column;opacity:0;transform:translateY(-14px);pointer-events:none;transition:opacity var(--t),transform var(--t)}
.drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-brand{font-size:16px;font-weight:900;color:var(--on-ink);letter-spacing:-.01em}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(233,239,234,.28);color:var(--on-ink);font-size:18px;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--mint);color:var(--mint)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:44px}
.drawer-nav a{padding:16px 4px;font-size:22px;font-weight:800;color:var(--on-ink);border-bottom:1px solid rgba(233,239,234,.12);transition:color var(--t),padding-left var(--t)}
.drawer-nav a:hover{color:var(--mint);padding-left:10px}
.drawer-cta{margin-top:auto;width:100%}
body.no-scroll{overflow:hidden}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 640ms var(--ease),transform 640ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1023px){
  .nav-links,.nav-search{display:none}
  .nav-right .btn{display:none}
  .burger{display:flex}
  .nav-right{margin-left:auto}
  .article-hero{padding:128px 0 56px}
  .article-main{padding:44px 0 20px}
  .related{padding:44px 0 68px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .nav-inner{height:68px}
  .article-hero{padding:112px 0 44px}
  .article-hero::after{height:80px}
  .article-body{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .back-row{flex-direction:column;align-items:stretch}
  .back-row .btn{width:100%}
  .to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink:#0F2E29; --ink-2:#17423A; --mint:#35E0A1; --ember:#FF7A45;
  --bg:#F6F3EE; --surface:#FFFFFF; --line:rgba(16,20,19,.08);
  --text:#101413; --text-2:#5B6560; --on-ink:#E9EFEA; --on-ink-2:#9FB0A8;
  --r-card:18px; --r-img:14px; --r-btn:999px; --r-input:12px;
  --sh-1:0 1px 2px rgba(16,20,19,.05);
  --sh-2:0 18px 40px -24px rgba(15,46,41,.35);
  --ease:cubic-bezier(.2,.7,.2,1); --t:240ms;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;line-height:1.85;overflow-x:hidden;
  font-feature-settings:"tnum";
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(16,20,19,.26);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.6);
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-stuck{
  background:var(--bg);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px -18px rgba(15,46,41,.35);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:40px;height:40px;flex:0 0 40px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-size:17px;font-weight:800;letter-spacing:.02em;color:#fff;transition:color var(--t) var(--ease)}
.brand-en{font-size:11px;font-weight:600;letter-spacing:.28em;color:var(--mint)}
.site-header .brand-mark path:first-child{stroke:#E9EFEA;transition:stroke var(--t) var(--ease)}
.site-header.is-stuck .brand-mark path:first-child{stroke:var(--ink)}
.site-header.is-stuck .brand-cn{color:var(--ink)}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;display:inline-block;padding:10px 14px;font-size:14.5px;font-weight:600;
  color:rgba(233,239,234,.88);text-decoration:none;border-radius:var(--r-btn);
  transition:color var(--t) var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--mint);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:#fff}
.site-header.is-stuck .nav-links a{color:var(--text-2)}
.site-header.is-stuck .nav-links a:hover,.site-header.is-stuck .nav-links a.is-active{color:var(--ink)}

.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);
  color:rgba(233,239,234,.9);transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.nav-search span{font-size:14px;line-height:1}
.nav-search input{width:148px;background:transparent;border:0;outline:none;font-size:13.5px;color:#fff}
.nav-search input::placeholder{color:rgba(233,239,234,.62)}
.site-header.is-stuck .nav-search{background:#fff;border-color:var(--line);color:var(--text-2)}
.site-header.is-stuck .nav-search input{color:var(--text)}
.site-header.is-stuck .nav-search input::placeholder{color:var(--text-2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;text-decoration:none;font-weight:800;font-size:14.5px;
  padding:12px 22px;border-radius:var(--r-btn);
  transition:transform var(--t) var(--ease),filter var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--ember);color:#3A1406}
.btn-primary:hover{filter:brightness(.94);transform:scale(1.02)}
.btn-primary:active{transform:scale(.99)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:scale(1.02)}
.btn-outline{background:transparent;border:1px solid rgba(233,239,234,.42);color:var(--on-ink)}
.btn-outline:hover{background:rgba(233,239,234,.12);transform:scale(1.02)}
.btn-block{width:100%}

.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);border-radius:12px;cursor:pointer;
}
.burger span{display:block;height:2px;border-radius:2px;background:#fff;transition:background var(--t) var(--ease)}
.site-header.is-stuck .burger{background:#fff;border-color:var(--line)}
.site-header.is-stuck .burger span{background:var(--ink)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);color:var(--on-ink);
  display:flex;flex-direction:column;padding:28px 24px 34px;
  transform:translateY(-102%);visibility:hidden;
  transition:transform 320ms var(--ease),visibility 320ms var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-close{
  align-self:flex-end;width:46px;height:46px;border-radius:50%;
  background:rgba(233,239,234,.10);border:1px solid rgba(233,239,234,.25);color:var(--on-ink);
  font-size:24px;line-height:1;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:38px}
.drawer-links a{
  color:var(--on-ink);font-size:1.5rem;font-weight:800;text-decoration:none;
  padding:14px 4px;border-bottom:1px solid rgba(233,239,234,.12);
  transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--mint);padding-left:12px}
.drawer-cta{margin-top:auto}
html body.no-scroll{overflow:hidden}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;min-height:44vh;display:flex;align-items:flex-end;
  padding:150px 0 62px;overflow:hidden;
  background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,28,25,.90) 0%,rgba(9,28,25,.66) 42%,rgba(246,243,238,.30) 80%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(233,239,234,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(233,239,234,.82);text-decoration:none;transition:color var(--t) var(--ease)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb i{font-style:normal;opacity:.55}
.page-hero h1{
  margin:0;color:#fff;font-weight:900;letter-spacing:-.02em;line-height:1.08;
  font-size:clamp(2.2rem,6vw,4.25rem);max-width:18em;
}
.h1-tail{
  display:block;margin-top:16px;font-size:clamp(.95rem,1.7vw,1.15rem);
  font-weight:600;letter-spacing:.06em;color:var(--mint);
}
.hero-sub{max-width:640px;margin:20px 0 0;color:rgba(233,239,234,.86);font-size:1.02rem;line-height:1.9}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding-top:64px}
.section-head{max-width:780px;margin-bottom:46px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;
  letter-spacing:.18em;color:var(--text-2);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--mint);display:block}
.section-title{
  margin:16px 0 14px;font-size:clamp(1.6rem,3.6vw,2.5rem);font-weight:800;
  line-height:1.24;letter-spacing:-.01em;color:var(--ink);
}
.section-sub{margin:0;color:var(--text-2);font-size:1rem}

/* ---------- 左文右图 ---------- */
.lead-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.lead-copy p{margin:0 0 18px;color:var(--text-2)}
.lead-copy p.is-lead{font-size:1.13rem;line-height:1.92;color:var(--text);font-weight:600}
.lead-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.stat-cell{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 18px 16px;box-shadow:var(--sh-1);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.stat-cell:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{display:block;font-size:1.75rem;font-weight:900;color:var(--ink);line-height:1.1}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--text-2);line-height:1.6}
.lead-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);background:var(--ink-2)}
.lead-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;display:block;transition:transform 480ms var(--ease)}
.lead-figure:hover img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-btn);
  font-size:12px;font-weight:800;letter-spacing:.06em;
}
.badge-mint{background:rgba(53,224,161,.16);color:#0B4A38;border:1px solid rgba(53,224,161,.5)}
.badge-ember{background:var(--ember);color:#3A1406}
.badge-ghost{background:rgba(233,239,234,.14);color:var(--on-ink);border:1px solid rgba(233,239,234,.3)}
.fig-badge{position:absolute;left:16px;top:16px;z-index:2}

/* ---------- 纵向要点清单 ---------- */
.points-list{border-top:1px solid var(--line)}
.point-item{
  display:grid;grid-template-columns:70px 1fr;gap:22px;align-items:start;
  padding:28px 18px;border-bottom:1px solid var(--line);border-radius:12px;
  transition:background var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.point-item:hover{background:rgba(53,224,161,.07);padding-left:26px}
.point-num{font-size:14px;font-weight:900;color:#0B4A38;letter-spacing:.08em;padding-top:5px}
.point-item h3{margin:0 0 8px;font-size:1.25rem;font-weight:700;color:var(--ink)}
.point-item p{margin:0;color:var(--text-2);max-width:760px}
.point-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--line);color:var(--text-2)}

/* ---------- 四步流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-step{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:30px 22px 26px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.ghost-num{
  position:absolute;right:12px;top:8px;font-size:3.5rem;font-weight:900;line-height:1;
  color:rgba(15,46,41,.08);pointer-events:none;
}
.flow-step h3{position:relative;margin:34px 0 8px;font-size:1.05rem;font-weight:800;color:var(--ink)}
.flow-step p{position:relative;margin:0;font-size:14.5px;color:var(--text-2)}
.flow-dot{position:relative;display:block;width:12px;height:12px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(53,224,161,.18)}

/* ---------- 速查行 ---------- */
.quick-list{display:grid;gap:14px}
.quick-row{
  display:grid;grid-template-columns:1.1fr 2fr auto;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:22px 26px;box-shadow:var(--sh-1);
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.quick-row:hover{border-color:rgba(53,224,161,.65);transform:translateY(-3px);box-shadow:var(--sh-2)}
.quick-name{margin:0;font-size:1.02rem;font-weight:800;color:var(--ink)}
.quick-desc{margin:0;color:var(--text-2);font-size:14.5px}
.quick-flag{white-space:nowrap}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:960px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:22px;
  padding:24px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:1.05rem;font-weight:700;color:var(--text);
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--ink)}
.faq-icon{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(15,46,41,.06);color:var(--ink);font-size:18px;font-weight:700;line-height:1;
  transition:transform 320ms var(--ease),background var(--t) var(--ease),color var(--t) var(--ease);
}
.faq-q:hover .faq-icon{background:var(--mint);color:#08301F}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--mint);color:#08301F}
.faq-item.is-open .faq-q{color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 340ms var(--ease)}
.faq-a-inner{padding:0 4px 26px;color:var(--text-2);max-width:820px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink);color:var(--on-ink);
  padding:58px 56px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(233,239,234,.8) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(233,239,234,.8) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:44px;align-items:center}
.cta-inner h2{margin:0 0 14px;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;line-height:1.3;color:#fff}
.cta-inner p{margin:0;color:var(--on-ink-2);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-ink);margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin:18px 0 0;color:var(--on-ink-2);font-size:14.5px;max-width:340px}
.footer-title{margin:0 0 18px;font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--on-ink-2)}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-links a{
  color:rgba(233,239,234,.86);text-decoration:none;font-size:14.5px;
  transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.footer-links a:hover{color:var(--mint);padding-left:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(233,239,234,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--on-ink-2);
}
.site-footer .brand-cn{color:var(--on-ink)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 640ms var(--ease),transform 640ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.nav-search{display:none}
  .burger{display:flex}
  .section{padding:72px 0}
  .section-tight{padding-top:52px}
  .lead-grid{grid-template-columns:1fr;gap:34px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .quick-row{grid-template-columns:1fr auto;gap:14px;padding:20px 22px}
  .quick-desc{grid-column:1 / -1}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .page-hero{padding:130px 0 52px;min-height:40vh}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .lead-stats{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .point-item{grid-template-columns:44px 1fr;gap:14px;padding:22px 12px}
  .cta-band{padding:34px 22px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .page-hero{padding:120px 0 44px}
}

/* roulang page: category2 */
:root{
  --ink:#0F2E29;
  --ink-2:#17423A;
  --mint:#35E0A1;
  --ember:#FF7A45;
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --line:rgba(16,20,19,.08);
  --text:#101413;
  --text-2:#5B6560;
  --on-ink:#E9EFEA;
  --on-ink-2:#9FB0A8;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,20,19,.05);
  --sh-2:0 18px 40px -24px rgba(15,46,41,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp-block:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
::selection{background:rgba(53,224,161,.35)}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.tnum{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(16,20,19,.26);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 14px 34px -26px rgba(0,0,0,.5);
  transition:background 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-scrolled{
  background:var(--bg);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -26px rgba(15,46,41,.45);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 auto}
.brand-mark .mk-a{stroke:var(--on-ink);transition:stroke 240ms var(--ease)}
.site-header.is-scrolled .brand-mark .mk-a{stroke:var(--ink)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-cn{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--on-ink);transition:color 240ms var(--ease)}
.brand-en{font-size:11px;letter-spacing:.28em;color:var(--mint);text-transform:uppercase}
.site-header.is-scrolled .brand-cn{color:var(--ink)}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:rgba(233,239,234,.88);
  transition:color 240ms var(--ease),background 240ms var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left center;
  transition:transform 240ms var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:#fff;font-weight:700}
.nav-links a.is-active::after{transform:scaleX(1)}
.site-header.is-scrolled .nav-links a{color:var(--text-2)}
.site-header.is-scrolled .nav-links a:hover,
.site-header.is-scrolled .nav-links a.is-active{color:var(--ink)}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:rgba(233,239,234,.85);
  transition:background 240ms var(--ease),border-color 240ms var(--ease);
}
.nav-search span{font-size:15px;color:var(--mint)}
.nav-search input{
  width:150px;border:0;background:transparent;outline:none;
  font-size:14px;color:#fff;
}
.nav-search input::placeholder{color:rgba(233,239,234,.7)}
.site-header.is-scrolled .nav-search{
  background:var(--surface);border-color:var(--line);
}
.site-header.is-scrolled .nav-search input{color:var(--text)}
.site-header.is-scrolled .nav-search input::placeholder{color:var(--text-2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--r-pill);
  font-size:14.5px;font-weight:700;
  letter-spacing:.02em;
  transition:transform 240ms var(--ease),background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ember);color:#2A1006;box-shadow:0 14px 28px -18px rgba(255,122,69,.8)}
.btn-primary:hover{background:#ff6a2e;transform:scale(1.02)}
.btn-primary:active{transform:scale(.99)}
.btn-ghost{
  border:1px solid rgba(233,239,234,.5);
  color:var(--on-ink);
  border-radius:var(--r-sm);
}
.btn-ghost:hover{background:rgba(233,239,234,.14);border-color:rgba(233,239,234,.8)}
.btn-dark{background:var(--ink);color:var(--on-ink);border-radius:var(--r-sm)}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-light{background:var(--surface);color:var(--ink);border-radius:var(--r-sm);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--mint);transform:translateY(-2px)}
.btn-block{width:100%}

.burger{display:none;width:42px;height:42px;border-radius:12px;position:relative;flex-direction:column;justify-content:center;gap:5px;align-items:center;border:1px solid rgba(255,255,255,.24)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--on-ink);transition:background 240ms var(--ease),transform 240ms var(--ease),opacity 240ms var(--ease)}
.site-header.is-scrolled .burger{border-color:var(--line)}
.site-header.is-scrolled .burger span{background:var(--ink)}

/* drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);
  transform:translateX(100%);
  transition:transform 320ms var(--ease);
  display:flex;flex-direction:column;
  padding:28px 24px 36px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(233,239,234,.25);
  color:var(--on-ink);font-size:20px;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:38px}
.drawer-links a{
  font-size:22px;font-weight:700;color:var(--on-ink);
  padding:16px 4px;border-bottom:1px solid rgba(233,239,234,.12);
  transition:color 240ms var(--ease),padding-left 240ms var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--mint);padding-left:10px}
.drawer-cta{margin-top:auto;padding-top:32px}
body.no-scroll{overflow:hidden}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  min-height:56vh;
  display:flex;align-items:flex-end;
  padding:150px 0 72px;
  color:var(--on-ink);
  background-image:
    linear-gradient(180deg,rgba(15,46,41,.82) 0%,rgba(15,46,41,.55) 45%,rgba(246,243,238,.96) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
  background-color:var(--ink);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--on-ink-2);letter-spacing:.04em}
.crumb a:hover{color:var(--mint)}
.crumb .sep{opacity:.6}
.hero-label{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:22px;
  font-size:12px;letter-spacing:.2em;
  color:var(--mint);text-transform:uppercase;
}
.hero-label::before{content:"";width:26px;height:2px;background:var(--mint);display:block}
.page-hero h1{
  font-size:clamp(2.1rem,5.2vw,3.7rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.1;
  margin-top:14px;color:#fff;
  max-width:15em;
}
.hero-sub{
  margin-top:20px;max-width:640px;
  font-size:16.5px;color:rgba(233,239,234,.88);line-height:1.85;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--on-ink);
  background:rgba(233,239,234,.12);
  border:1px solid rgba(233,239,234,.24);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- sections ---------- */
.section{padding:var(--sp-block) 0}
.section-tight{padding:64px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head h2{
  font-size:clamp(1.6rem,3.6vw,2.5rem);
  font-weight:800;letter-spacing:-.01em;line-height:1.24;
  color:var(--ink);
}
.section-head p{margin-top:12px;color:var(--text-2);max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--text-2);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--mint)}

/* intro */
.intro-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:start}
.intro-copy p+p{margin-top:20px}
.intro-copy p{color:var(--text-2)}
.intro-copy strong{color:var(--ink);font-weight:700}
.stat-stack{display:grid;gap:16px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{font-size:2.1rem;font-weight:900;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.stat-num em{font-style:normal;font-size:1rem;font-weight:700;color:var(--mint);margin-left:6px}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--text-2)}

/* tier cards */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tier-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,161,.5)}
.tier-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.tier-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.tier-card:hover .tier-media img{transform:scale(1.04)}
.badge{
  position:absolute;top:14px;left:14px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(15,46,41,.78);color:var(--on-ink);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.badge-mint{background:var(--mint);color:#06251C}
.tier-body{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1}
.tier-index{
  font-size:12px;letter-spacing:.22em;color:var(--mint);font-weight:800;
}
.tier-body h3{margin-top:10px;font-size:1.25rem;font-weight:700;color:var(--ink);line-height:1.4}
.tier-body>p{margin-top:12px;font-size:15px;color:var(--text-2)}
.tier-list{margin-top:18px;display:grid;gap:10px}
.tier-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.tier-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--mint);
}
.tier-foot{
  margin-top:auto;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);margin-top:26px;
}
.tier-foot .tnum{font-size:13.5px;color:var(--text-2);font-weight:700}
.arrow-link{font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.arrow-link span{transition:transform 240ms var(--ease);color:var(--mint)}
.arrow-link:hover span{transform:translateX(4px)}

/* progress block */
.progress-wrap{
  background:var(--ink);color:var(--on-ink);
  border-radius:var(--r-card);
  padding:52px 48px;
  position:relative;overflow:hidden;
}
.progress-wrap::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(233,239,234,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(233,239,234,.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.progress-wrap>*{position:relative;z-index:1}
.progress-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px}
.progress-top h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;color:#fff}
.progress-top p{margin-top:10px;color:var(--on-ink-2);max-width:520px}
.progress-big{font-size:3.2rem;font-weight:900;line-height:1;color:var(--mint);letter-spacing:-.03em}
.progress-big small{font-size:1.1rem;margin-left:4px;color:var(--on-ink-2)}
.progress-track{
  margin-top:34px;height:8px;border-radius:var(--r-pill);
  background:rgba(233,239,234,.16);overflow:hidden;
}
.progress-fill{
  height:100%;width:0;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--mint),#7CE9C0 55%,var(--on-ink));
  transition:width 1200ms var(--ease);
}
.progress-fill.in-view{width:var(--p,68%)}
.node-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.node{display:flex;gap:12px;align-items:flex-start}
.node-dot{width:14px;height:14px;border-radius:50%;flex:0 0 auto;margin-top:6px}
.node.done .node-dot{background:var(--mint)}
.node.doing .node-dot{border:2px solid var(--mint);background:transparent;animation:breathe 2s var(--ease) infinite}
.node.todo .node-dot{background:rgba(233,239,234,.25)}
.node p{font-size:14.5px;color:var(--on-ink)}
.node small{display:block;font-size:12.5px;color:var(--on-ink-2);margin-top:2px}
.node.done p,.node.doing p{font-weight:700}
.node-line{height:1px;background:rgba(233,239,234,.18);margin:8px 0 0}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(53,224,161,.5)}50%{box-shadow:0 0 0 7px rgba(53,224,161,0)}}

/* rhythm steps */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px 28px 28px;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-ghost{
  position:absolute;top:12px;right:20px;
  font-size:3.5rem;font-weight:900;line-height:1;
  color:rgba(15,46,41,.08);letter-spacing:-.04em;
}
.step h3{font-size:1.15rem;font-weight:700;color:var(--ink);margin-top:12px}
.step p{margin-top:10px;font-size:14.8px;color:var(--text-2)}
.step-tag{font-size:12px;letter-spacing:.18em;color:var(--mint);font-weight:800}

/* compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 30px;box-shadow:var(--sh-1);
}
.compare-col.is-accent{border-color:rgba(53,224,161,.55);background:linear-gradient(180deg,rgba(53,224,161,.08),transparent 46%),var(--surface)}
.compare-col h3{font-size:1.15rem;font-weight:800;color:var(--ink)}
.compare-col .compare-note{margin-top:8px;font-size:13.5px;color:var(--text-2)}
.compare-col ul{margin-top:20px;display:grid;gap:14px}
.compare-col li{position:relative;padding-left:26px;font-size:14.8px;color:var(--text-2);line-height:1.75}
.compare-col li::before{
  content:"";position:absolute;left:0;top:.6em;width:12px;height:12px;border-radius:4px;
  border:1.5px solid var(--mint);
}
.compare-col li strong{color:var(--ink)}

/* FAQ */
.faq{max-width:880px;margin:0 auto;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:26px 4px;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:color 240ms var(--ease);
}
.faq-q:hover{color:var(--ink-2)}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);position:relative;
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),background 240ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--mint);border-color:var(--mint)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#06251C}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a p{padding:0 4px 26px;max-width:720px;color:var(--text-2);font-size:15.5px}

/* CTA */
.cta-band{
  background:var(--ink);color:var(--on-ink);
  border-radius:var(--r-card);
  padding:56px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(233,239,234,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(233,239,234,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.16rem);font-weight:800;color:#fff;letter-spacing:-.01em}
.cta-band p{margin-top:12px;color:var(--on-ink-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* footer */
.site-footer{background:var(--ink);color:var(--on-ink);margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:18px;color:var(--on-ink-2);font-size:14.5px;max-width:320px;line-height:1.8}
.footer-title{font-size:14px;letter-spacing:.1em;color:var(--on-ink-2);font-weight:700;margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14.5px;color:var(--on-ink);transition:color 240ms var(--ease),padding-left 240ms var(--ease)}
.footer-links a:hover{color:var(--mint);padding-left:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(233,239,234,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--on-ink-2);
}

/* utilities */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 600ms var(--ease),transform 600ms var(--ease)}
.reveal.in-view{opacity:1;transform:none}

/* responsive */
@media (max-width:1023px){
  :root{--sp-block:72px}
  .nav-links,.nav-search{display:none}
  .burger{display:flex}
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .node-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:132px 0 60px;min-height:50vh}
}
@media (max-width:639px){
  :root{--sp-block:56px}
  body{font-size:16px}
  .container{padding:0 20px}
  .tier-grid,.step-grid,.compare-grid,.node-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .page-hero{min-height:46vh;padding:118px 0 48px}
  .page-hero h1{font-size:clamp(1.9rem,8vw,2.5rem)}
  .progress-wrap{padding:36px 24px}
  .cta-band{padding:38px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .hero-actions .btn{flex:1 1 100%}
  .faq-q{font-size:16px;padding:22px 2px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  .progress-fill{width:var(--p,68%)}
}