/* roulang page: index */
:root{
  --ink:#0B1210;
  --ink-2:#13211B;
  --line-dark:rgba(200,247,81,.16);
  --brand:#12A05C;
  --glow:#C8F751;
  --accent:#FF6A2B;
  --surface:#FFFFFF;
  --surface-soft:#F4F6F1;
  --line:#E3E8DF;
  --muted:#5B6B62;
  --danger:#E5484D;
  --r-card:16px;
  --r-kv:24px;
  --r-btn:12px;
  --shadow:0 8px 24px rgba(11,18,16,.06);
  --shadow-hover:0 12px 32px rgba(11,18,16,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
.dark :focus-visible{outline:2px solid rgba(255,255,255,.4);outline-offset:2px}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.section{padding:112px 0}
.section-sm{padding:88px 0}
.section-xs{padding:64px 0}
.bg-soft{background:var(--surface-soft)}
.bg-ink{background:var(--ink);color:#fff}
.dark{background:var(--ink);color:#fff}
.dark h2,.dark h3{color:#fff}
.hairline{border-top:1px solid var(--line-dark)}

h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:clamp(18px,2vw,22px);line-height:1.35;font-weight:600}
.lead{font-size:17px;line-height:1.8;color:var(--muted)}
.dark .lead{color:rgba(255,255,255,.72)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--glow);display:block}
.dark .section-head .eyebrow{color:var(--glow)}
.section-head p{max-width:620px;margin-top:12px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.scrolled{
  background:rgba(11,18,16,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(200,247,81,.12);
  border:1px solid var(--line-dark);
}
.brand-name{font-size:16px;font-weight:700;color:#fff;letter-spacing:-.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--glow)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.72);
  transition:background var(--t),color var(--t);
}
.nav-links a:hover{background:rgba(200,247,81,.08);color:#fff}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--glow);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line-dark);
  background:var(--ink-2);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{border-color:var(--glow);box-shadow:0 0 0 3px rgba(200,247,81,.16)}
.nav-search input{
  width:100%;border:none;background:transparent;outline:none;
  font-size:14px;color:#fff;
}
.nav-search input::placeholder{color:rgba(255,255,255,.42)}
.nav-search svg{flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn:active{transform:scale(.98)}
.btn-glow{background:var(--glow);color:#0B1210;font-weight:700;box-shadow:0 6px 18px rgba(200,247,81,.22)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,247,81,.32)}
.btn-outline{border:1px solid var(--line-dark);color:#fff;background:transparent}
.btn-outline:hover{border-color:var(--glow);color:var(--glow);transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(255,255,255,.22);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,160,92,.28)}
.btn-line{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-arrow{font-size:14px;line-height:1;transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-dark);align-items:center;justify-content:center;
}
.drawer{
  position:fixed;inset:0;z-index:60;background:var(--ink);
  padding:20px 20px 32px;display:none;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line-dark);color:#fff;font-size:16px;
}
.drawer a.drawer-link.active{background:rgba(200,247,81,.1);border-color:rgba(200,247,81,.4)}
.drawer-cta{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 8%,rgba(18,160,92,.36),transparent 62%),
    radial-gradient(760px 380px at 88% 92%,rgba(255,106,43,.16),transparent 66%),
    linear-gradient(100deg,rgba(11,18,16,.94) 0%,rgba(19,33,27,.72) 48%,rgba(11,18,16,.55) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:7fr 5fr;
  gap:48px;align-items:center;padding-top:96px;padding-bottom:104px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-dark);
  background:rgba(200,247,81,.08);
  font-size:12px;letter-spacing:.1em;color:var(--glow);font-weight:700;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--glow)}
.hero h1{margin:22px 0 18px;color:#fff}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.74);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;margin-top:52px;padding-top:28px;border-top:1px solid var(--line-dark);
}
.hero-stats .stat b{
  display:block;font-family:var(--font-num);font-size:32px;line-height:1;
  color:var(--glow);font-weight:700;
}
.hero-stats .stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.6)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-kv);
  border:1px solid var(--line-dark);
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;
  background:var(--ink-2);border:1px solid var(--line-dark);
  border-radius:16px;padding:14px 16px;min-width:206px;
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.hero-float .fl-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero-float .fl-label{font-size:12px;color:rgba(255,255,255,.6)}
.hero-float .fl-num{font-family:var(--font-num);font-size:26px;color:var(--glow);line-height:1.1}
.hero-float .fl-time{font-family:var(--font-num);font-size:12px;color:rgba(255,255,255,.5);margin-top:6px}

/* ---------- 通用卡片/按钮 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  border:1px solid transparent;
}
.pill-glow{background:rgba(200,247,81,.2);color:#3E5B00;border-color:rgba(200,247,81,.55)}
.pill-accent{background:var(--accent);color:#fff}
.pill-soft{background:var(--surface-soft);color:var(--muted);border-color:var(--line)}
.pill-dark{background:rgba(200,247,81,.1);color:var(--glow);border-color:var(--line-dark)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--glow)}
.dark-card{
  background:var(--ink-2);border:1px solid var(--line-dark);
  border-radius:var(--r-card);box-shadow:inset 0 1px 0 rgba(200,247,81,.08);
}
.silent-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.silent-link span{transition:transform var(--t)}
.silent-link:hover span{transform:translateX(4px)}
.silent-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 步骤带 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--shadow-hover)}
.step + .step::before{
  content:"";position:absolute;left:-24px;top:56px;width:24px;
  border-top:2px dashed var(--line);
}
.step .step-no{
  font-family:var(--font-num);font-size:40px;line-height:1;font-weight:700;
  color:var(--accent);letter-spacing:.02em;
}
.step:nth-child(even) .step-no{color:var(--brand)}
.step .step-icon{
  width:40px;height:40px;border-radius:12px;margin:16px 0 14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(18,160,92,.1);
}
.step h3{margin-bottom:8px}
.step p{font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- 奖励预览 ---------- */
.reward-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.reward-main{
  padding:36px;border-radius:var(--r-kv);
  background:var(--ink);color:#fff;border:1px solid var(--line-dark);
  display:flex;flex-direction:column;justify-content:space-between;gap:28px;
}
.reward-main .rm-label{font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.6);text-transform:uppercase}
.reward-main .rm-num{
  font-family:var(--font-num);font-size:clamp(48px,7vw,84px);line-height:1;
  color:var(--glow);font-weight:700;margin:14px 0 6px;
}
.reward-main .rm-num small{font-size:.32em;color:rgba(255,255,255,.6);margin-left:10px;font-weight:600}
.rail{position:relative;height:8px;border-radius:999px;background:rgba(255,255,255,.12);margin-top:22px}
.rail-fill{position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--glow))}
.rail-node{
  position:absolute;top:50%;width:14px;height:14px;border-radius:50%;
  transform:translate(-50%,-50%);background:var(--ink-2);
  border:2px solid rgba(200,247,81,.45);
}
.rail-node.on{background:var(--glow);border-color:var(--glow)}
.reward-rail-meta{display:flex;justify-content:space-between;margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}
.reward-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.reward-item{
  padding:22px;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.reward-item:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--shadow-hover)}
.reward-item .ri-num{font-family:var(--font-num);font-size:34px;line-height:1;color:var(--ink);font-weight:700}
.reward-item .ri-num small{font-size:.42em;color:var(--muted);margin-left:6px}
.reward-item p{font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- 任务进度 ---------- */
.task-grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:start}
.track{position:relative;height:10px;border-radius:999px;background:rgba(255,255,255,.1);margin:30px 0 40px}
.track-fill{position:absolute;left:0;top:0;bottom:0;width:66%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--glow))}
.track-node{
  position:absolute;top:50%;transform:translate(-50%,-50%);
  width:16px;height:16px;border-radius:50%;
  background:var(--ink-2);border:2px solid rgba(200,247,81,.4);
}
.track-node.on{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 5px rgba(255,106,43,.16)}
.track-legend{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);margin-top:-24px}
.badge-wall{display:flex;flex-wrap:wrap;gap:12px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(200,247,81,.14);color:var(--glow);
  border:1px solid rgba(200,247,81,.4);
}
.badge.off{background:rgba(255,255,255,.05);color:rgba(255,255,255,.34);border-color:rgba(255,255,255,.12)}
.level-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px}
.level{
  padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
}
.level.on{background:rgba(200,247,81,.12);border-color:rgba(200,247,81,.5)}
.level b{display:block;font-size:15px;color:#fff}
.level span{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:6px}
.task-aside{padding:30px;border-radius:var(--r-card);background:var(--ink-2);border:1px solid var(--line-dark)}
.task-aside h3{margin-bottom:12px}
.task-aside p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.75}
.task-aside .btn{width:100%;margin-top:22px}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--glow)}
.news-card-link{display:flex;flex-direction:column;height:100%}
.news-thumb{aspect-ratio:16/9;overflow:hidden;border-radius:12px;margin:14px 14px 0}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:19px;line-height:1.4;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;line-height:1.7;color:var(--muted);
  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:14px;border-top:1px solid var(--line);
}
.news-date{font-family:var(--font-num);font-size:14px;color:var(--muted)}
.news-more{font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-more{text-decoration:underline;text-underline-offset:4px}
.empty-state{
  grid-column:1 / -1;
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;padding:40px 24px;
  background:var(--surface-soft);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state b{font-size:16px;font-weight:600}
.empty-state p{font-size:14px;color:var(--muted);max-width:420px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:var(--glow);box-shadow:var(--shadow-hover)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-no{font-family:var(--font-num);font-size:20px;line-height:1.5;color:var(--brand);font-weight:700;flex-shrink:0;width:32px}
.faq-q{flex:1}
.faq-plus{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-soft);color:var(--brand);
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:rgba(255,106,43,.14);color:var(--accent)}
.faq-a{
  padding:0 22px 22px 70px;max-width:760px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-top:1px solid var(--line-dark);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 300px at 78% 20%,rgba(200,247,81,.16),transparent 68%);
  pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;border-top:1px solid var(--line-dark)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding:76px 0 48px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px}
.footer-col h4{
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.5);font-weight:700;margin-bottom:18px;
}
.footer-col a{
  display:flex;align-items:center;min-height:44px;
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--t),transform var(--t);
}
.footer-col a:hover{color:var(--glow);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:24px 0 34px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom .domain{color:rgba(255,255,255,.34)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-search{width:190px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-burger{display:flex}
  .nav-tools .btn-outline{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:72px}
  .hero-media img{aspect-ratio:16/9}
  .hero-float{left:16px;bottom:16px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step + .step::before{display:none}
  .reward-grid{grid-template-columns:1fr}
  .task-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:72px 0}
  .section-sm{padding:60px 0}
  .section-xs{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px}
  .hero-actions .btn{flex:1 1 100%}
  .reward-main{padding:26px}
  .reward-side{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .level-bar{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .reward-side{grid-template-columns:1fr}
  .faq-a{padding-left:22px;padding-top:4px}
  .faq-item summary{font-size:16px;gap:12px}
  .faq-no{font-size:20px;width:26px}
  .footer-grid{grid-template-columns:1fr;gap:20px;padding:56px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .hero-float{position:static;margin-top:16px;width:100%}
}

/* roulang page: article */
/* ============ 设计令牌 ============ */
  :root{
    --ink:#0B1210;
    --ink-2:#13211B;
    --brand:#12A05C;
    --brand-deep:#0E8C4F;
    --brand-ink:#0B1210;
    --glow:#C8F751;
    --accent:#FF6A2B;
    --surface:#FFFFFF;
    --surface-soft:#F4F6F1;
    --line:#E3E8DF;
    --line-glow:rgba(200,247,81,.16);
    --text-muted:#5B6B62;
    --r-card:16px;
    --r-kv:24px;
    --r-btn:12px;
    --shadow-1:0 8px 24px rgba(11,18,16,.06);
    --shadow-2:0 12px 32px rgba(11,18,16,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --t:200ms var(--ease);
    --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
    --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
  }

  /* ============ 基础重置 ============ */
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--surface-soft);
    color:#16211C;
    font-family:var(--font-cn);
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.02em}
  p{margin:0}
  img{max-width:100%;height:auto;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  button{background:none;border:0;cursor:pointer}
  :focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:6px}
  ::selection{background:var(--glow);color:#0B1210}
  .num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

  /* ============ 容器 ============ */
  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
  @media (min-width:768px){ .container{padding:0 24px} }
  @media (min-width:1024px){ .container{padding:0 32px} }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:var(--ink);
    border-bottom:1px solid var(--line-glow);
    transition:background var(--t),box-shadow var(--t);
  }
  .site-header.is-scrolled{
    background:rgba(11,18,16,.88);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    box-shadow:0 10px 30px rgba(0,0,0,.35);
  }
  .nav-shell{position:relative;display:flex;align-items:center;gap:12px;height:68px}
  @media (max-width:1023px){ .nav-shell{height:60px} }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:24px;height:24px;display:grid;place-items:center;
    border:1px solid var(--line-glow);border-radius:8px;
    background:rgba(200,247,81,.08);
  }
  .brand-name{
    color:#fff;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;
  }
  .brand-name em{color:var(--glow);font-style:normal}
  @media (max-width:639px){ .brand-name{font-size:14.5px} }

  .nav-links{display:none}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:12px}
  }
  .nav-links a{
    position:relative;display:flex;align-items:center;height:38px;padding:0 12px;
    border-radius:8px;font-size:14.5px;color:rgba(255,255,255,.72);
    transition:color var(--t),background var(--t);
  }
  .nav-links a:hover{color:#fff;background:rgba(200,247,81,.08)}
  .nav-links a.active{color:#fff;font-weight:600}
  .nav-links a.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    border-radius:2px;background:var(--glow);
  }
  @media (max-width:1023px){
    .nav-shell.drawer-open .nav-links{
      display:flex;flex-direction:column;gap:4px;
      position:absolute;top:calc(100% + 1px);left:0;right:0;
      padding:12px 16px 18px;
      background:var(--ink);
      border-bottom:1px solid var(--line-glow);
      border-radius:0 0 var(--r-card) var(--r-card);
      box-shadow:0 26px 48px rgba(0,0,0,.5);
      z-index:60;
    }
    .nav-shell.drawer-open .nav-links a{height:48px;font-size:15.5px;padding:0 14px}
    .nav-shell.drawer-open .nav-links a.active{background:rgba(200,247,81,.08)}
    .nav-shell.drawer-open .nav-links a.active::after{left:14px;right:auto;width:22px;bottom:8px}
  }

  .nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
  .nav-search{display:none}
  @media (min-width:1024px){
    .nav-search{
      display:flex;align-items:center;gap:8px;width:236px;height:40px;padding:0 14px;
      border-radius:999px;background:var(--ink-2);border:1px solid var(--line-glow);
      transition:border-color var(--t),box-shadow var(--t);
    }
    .nav-search:focus-within{border-color:rgba(200,247,81,.55);box-shadow:0 0 0 3px rgba(200,247,81,.14)}
  }
  .nav-search input{width:100%;border:0;background:transparent;outline:0;font-size:13.5px;color:#fff}
  .nav-search input::placeholder{color:rgba(255,255,255,.42)}
  @media (max-width:639px){
    .nav-tools .btn-outline{display:none}
    .nav-tools .btn-glow{min-height:38px;padding:0 12px;font-size:13px}
  }
  .nav-burger{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line-glow);background:rgba(255,255,255,.03);
    transition:background var(--t),border-color var(--t);
  }
  .nav-burger:hover{background:rgba(200,247,81,.1);border-color:rgba(200,247,81,.4)}
  @media (min-width:1024px){ .nav-burger{display:none} }

  /* ============ 按钮体系 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    min-height:44px;padding:0 20px;border:1px solid transparent;
    border-radius:var(--r-btn);font-size:15px;font-weight:600;
    cursor:pointer;transition:transform var(--t),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
  }
  .btn:hover{transform:translateY(-2px)}
  .btn:active{transform:translateY(0) scale(.98)}
  .btn-sm{min-height:40px;padding:0 14px;font-size:14px}
  .btn-glow{background:var(--glow);color:#08110C;font-weight:700;box-shadow:0 6px 18px rgba(200,247,81,.18)}
  .btn-glow:hover{background:#d7ff6a;box-shadow:0 10px 26px rgba(200,247,81,.28)}
  .btn-outline{border-color:rgba(255,255,255,.24);color:#EAF6E6;background:rgba(255,255,255,.02)}
  .btn-outline:hover{border-color:var(--glow);color:#fff}
  .btn-solid{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(18,160,92,.22)}
  .btn-solid:hover{background:var(--brand-deep);box-shadow:0 12px 28px rgba(18,160,92,.3)}
  .btn-quiet{
    display:inline-flex;align-items:center;gap:6px;min-height:44px;
    color:var(--brand);font-weight:600;font-size:14.5px;
  }
  .btn-quiet::after{content:"→";font-family:var(--font-num);transition:transform var(--t)}
  .btn-quiet:hover::after{transform:translateX(4px)}
  .btn-arrow{font-family:var(--font-num);font-size:16px;line-height:1}

  /* ============ 徽章 / 标签 ============ */
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
    border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.08em;
    border:1px solid transparent;white-space:nowrap;
  }
  .badge-glow{background:var(--glow);color:#0B1210;border-color:rgba(11,18,16,.08)}
  .badge-soft{background:var(--surface-soft);color:#3A4C42;border-color:var(--line)}
  .badge-accent{background:var(--accent);color:#fff}

  /* ============ 面包屑 ============ */
  .breadcrumb{background:var(--surface);border-bottom:1px solid var(--line)}
  .crumb-inner{
    display:flex;align-items:center;gap:8px;height:52px;
    font-size:13.5px;color:var(--text-muted);overflow:hidden;white-space:nowrap;
  }
  .crumb-inner a{color:var(--text-muted);transition:color var(--t)}
  .crumb-inner a:hover{color:var(--brand)}
  .crumb-inner .sep{color:#C3CFC6;font-family:var(--font-num)}
  .crumb-inner .current{
    color:#93A39A;max-width:58%;overflow:hidden;text-overflow:ellipsis;
  }

  /* ============ 文章布局 ============ */
  .page-main{padding:36px 0 56px}
  @media (min-width:768px){ .page-main{padding:52px 0 84px} }
  .article-layout{display:grid;gap:40px}
  @media (min-width:1024px){
    .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
  }
  .article-panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-kv);
    padding:26px 20px;box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){ .article-panel{padding:44px 48px} }

  .article-head{padding-bottom:20px;border-bottom:1px solid var(--line)}
  .head-tags{display:flex;flex-wrap:wrap;gap:8px}
  .article-title{
    margin:16px 0 16px;font-size:clamp(25px,3.6vw,40px);line-height:1.2;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .article-meta{
    display:flex;align-items:center;gap:10px;flex-wrap:nowrap;overflow:hidden;
    white-space:nowrap;font-size:13.5px;color:var(--text-muted);
  }
  .article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9D4CC;flex:0 0 auto}
  .article-meta .strong{color:#31463B;font-weight:600}

  /* ============ 正文排版 ============ */
  .article-content{
    margin-top:28px;max-width:760px;
    font-size:17px;line-height:1.8;color:#1D2A24;
  }
  .article-content > * + *{margin-top:20px}
  .article-content p{margin:0}
  .article-content h2{
    position:relative;margin:44px 0 0;padding-left:16px;
    font-size:clamp(21px,2.4vw,27px);line-height:1.35;font-weight:700;color:#101C16;
  }
  .article-content h2::before{
    content:"";position:absolute;left:0;top:.26em;width:4px;height:1.1em;
    border-radius:2px;background:var(--brand);
  }
  .article-content h3{margin:32px 0 0;font-size:20px;line-height:1.45;font-weight:600;color:#101C16}
  .article-content a{color:var(--brand);border-bottom:1px solid rgba(18,160,92,.35);transition:border-color var(--t)}
  .article-content a:hover{border-bottom-color:var(--brand)}
  .article-content ul{margin:20px 0 0;padding:0;list-style:none}
  .article-content ul li{position:relative;padding-left:20px;margin-top:10px}
  .article-content ul li::before{
    content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
    border-radius:2px;background:var(--brand);
  }
  .article-content ol{margin:20px 0 0;padding:0;list-style:none;counter-reset:item}
  .article-content ol li{position:relative;padding-left:38px;margin-top:10px;counter-increment:item}
  .article-content ol li::before{
    content:counter(item,decimal-leading-zero);position:absolute;left:0;top:.14em;
    font-family:var(--font-num);font-size:17px;font-weight:700;color:var(--brand);
  }
  .article-content blockquote{
    margin:26px 0;padding:16px 20px;border-left:3px solid var(--glow);
    background:var(--surface-soft);border-radius:0 12px 12px 0;color:#31463B;
  }
  .article-content img{border-radius:16px;margin:26px 0}
  .article-content figure{margin:26px 0}
  .article-content figcaption{margin-top:10px;font-size:12.5px;color:var(--text-muted);text-align:center}
  .article-content table{
    width:100%;margin:24px 0;border-collapse:collapse;font-size:15px;
    border-radius:12px;overflow:hidden;
  }
  .article-content th{
    background:var(--surface-soft);text-align:left;padding:12px 14px;
    border-bottom:1px solid var(--line);font-weight:600;color:#213027;
  }
  .article-content td{padding:12px 14px;border-bottom:1px solid var(--line);color:#31463B}
  .article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
  .article-content code{
    font-family:var(--font-num);background:var(--surface-soft);
    padding:2px 6px;border-radius:6px;font-size:15px;
  }

  /* ============ 侧栏 ============ */
  .article-side{display:none}
  @media (min-width:1024px){
    .article-side{display:block}
    .side-sticky{position:sticky;top:88px}
  }
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;box-shadow:var(--shadow-1);
  }
  .side-card + .side-card{margin-top:20px}
  .side-card h3{font-size:15px;font-weight:700;margin-bottom:6px}
  .side-card .side-note{font-size:13.5px;color:var(--text-muted);line-height:1.7}
  .side-links{display:flex;flex-direction:column;margin-top:8px}
  .side-links a{
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    min-height:44px;font-size:14.5px;color:#3A4C42;
    border-bottom:1px dashed var(--line);
    transition:color var(--t),padding var(--t);
  }
  .side-links a:last-child{border-bottom:0}
  .side-links a:hover{color:var(--brand);padding-left:8px}

  /* ============ 空态 ============ */
  .empty-state{
    margin-top:28px;min-height:240px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:12px;text-align:center;padding:36px 24px;
    border:1px dashed #C9D6CD;border-radius:var(--r-card);background:var(--surface-soft);
  }
  .empty-state .empty-title{font-size:18px;font-weight:700}
  .empty-state .empty-sub{font-size:14px;color:var(--text-muted);max-width:440px;line-height:1.75}

  /* ============ 继续阅读 ============ */
  .read-next{margin-top:56px}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;
  }
  .section-head h2{font-size:clamp(21px,2.6vw,26px)}
  .card-grid{display:grid;gap:20px}
  @media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
  .card{
    display:flex;flex-direction:column;gap:14px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px;box-shadow:var(--shadow-1);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .card:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--shadow-2)}
  .card-thumb{
    position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--surface-soft);
  }
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .card:hover .card-thumb img{transform:scale(1.03)}
  .card h3{
    font-size:17px;line-height:1.45;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card p{
    font-size:14px;color:var(--text-muted);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    margin-top:auto;font-size:12.5px;
  }
  .card-foot .time{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text-muted)}

  /* ============ 结尾 CTA ============ */
  .cta-band{
    margin-top:64px;padding:40px 24px;text-align:center;
    background:var(--ink);border:1px solid var(--line-glow);border-radius:var(--r-kv);
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;inset:auto -80px -120px auto;width:280px;height:280px;
    background:radial-gradient(circle,rgba(200,247,81,.16),transparent 68%);
    pointer-events:none;
  }
  @media (min-width:768px){ .cta-band{padding:56px 48px} }
  .cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:14px;position:relative;z-index:1}
  .cta-band p{
    color:rgba(255,255,255,.66);max-width:580px;margin:0 auto 26px;
    font-size:15px;line-height:1.8;position:relative;z-index:1;
  }
  .cta-actions{display:flex;flex-direction:column;gap:12px;justify-content:center;position:relative;z-index:1}
  @media (min-width:640px){ .cta-actions{flex-direction:row} }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);border-top:1px solid var(--line-glow);
    margin-top:72px;padding:52px 0 0;
  }
  .footer-grid{display:grid;gap:32px}
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px} }
  .footer-brand .brand-name{font-size:17px;white-space:normal}
  .footer-brand p{
    margin-top:14px;font-size:14px;line-height:1.85;
    color:rgba(255,255,255,.55);max-width:360px;
  }
  .footer-col h4{
    font-size:13px;letter-spacing:.12em;text-transform:uppercase;
    color:rgba(255,255,255,.5);margin-bottom:12px;font-weight:600;
  }
  .footer-col a{
    display:flex;align-items:center;min-height:44px;
    font-size:14px;color:rgba(255,255,255,.62);
    transition:color var(--t),transform var(--t);
  }
  .footer-col a:hover{color:var(--glow);transform:translateX(2px)}
  .footer-bottom{
    display:flex;flex-direction:column;gap:8px;justify-content:space-between;
    margin-top:36px;padding:20px 0 28px;border-top:1px solid var(--line-glow);
    font-size:13px;color:rgba(255,255,255,.44);
  }
  @media (min-width:768px){ .footer-bottom{flex-direction:row;align-items:center} }
  .footer-bottom .domain{color:rgba(255,255,255,.28)}

  @media (max-width:520px){
    .article-content{font-size:16px}
    .article-content h2{margin-top:34px}
    .cta-actions .btn{width:100%}
  }

/* roulang page: category1 */
:root{
  --ink:#0B1210;
  --ink-2:#13211B;
  --hairline:rgba(200,247,81,.16);
  --brand:#12A05C;
  --brand-ink:#0B1210;
  --glow:#C8F751;
  --accent:#FF6A2B;
  --surface:#FFFFFF;
  --surface-soft:#F4F6F1;
  --line:#E3E8DF;
  --text:#0B1210;
  --text-muted:#5B6B62;
  --radius-card:16px;
  --radius-kv:24px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-soft:0 8px 24px rgba(11,18,16,.06);
  --shadow-lift:0 12px 32px rgba(11,18,16,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px;}
::selection{background:var(--glow);color:var(--ink);}
body::-webkit-scrollbar{width:10px;}
body::-webkit-scrollbar-track{background:#0B1210;}
body::-webkit-scrollbar-thumb{background:#2b3a33;border-radius:99px;}
body::-webkit-scrollbar-thumb:hover{background:#3c5046;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--ink);
  border-bottom:1px solid var(--hairline);
  transition:box-shadow .2s var(--ease),backdrop-filter .2s var(--ease);
}
.site-header.is-scrolled{
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  background:rgba(11,18,16,.92);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(200,247,81,.1);
  border:1px solid var(--hairline);
}
.brand-name{
  font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap;
}
.brand-name em{color:var(--glow);font-style:normal;}
.nav-links{display:none;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:8px;
  font-size:14.5px;color:rgba(255,255,255,.68);
}
.nav-links a:hover{background:rgba(200,247,81,.08);color:#fff;}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--glow);
}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{display:none;align-items:center;gap:8px;width:236px;height:40px;padding:0 14px;
  border-radius:var(--radius-pill);background:var(--ink-2);border:1px solid var(--hairline);}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:13.5px;font-family:inherit;
}
.nav-search input::placeholder{color:rgba(255,255,255,.42);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:scale(.98);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-glow{background:var(--glow);color:#0B1210;font-weight:700;}
.btn-glow:hover{background:#d6ff66;box-shadow:0 10px 26px rgba(200,247,81,.25);}
.btn-outline{border-color:rgba(200,247,81,.4);color:var(--glow);background:transparent;}
.btn-outline:hover{background:rgba(200,247,81,.1);border-color:var(--glow);}
.btn-dark{background:#0B1210;color:#fff;border-color:var(--hairline);}
.btn-dark:hover{background:#16241d;}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:#14b166;box-shadow:0 10px 26px rgba(18,160,92,.25);}
.btn-arrow{font-family:var(--font-num);font-size:16px;line-height:1;}
.btn-block{width:100%;}
.nav-burger{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;
  background:var(--ink-2);border:1px solid var(--hairline);cursor:pointer;
}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-search{display:flex;}
  .nav-burger{display:none;}
}
@media (min-width:768px) and (max-width:1023px){
  .nav-search{display:flex;width:180px;}
  .nav-burger{display:inline-grid;}
}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(11,18,16,.98);
  padding:20px;display:none;flex-direction:column;gap:6px;
}
.mobile-drawer.open{display:flex;}
.mobile-drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-drawer a.nav-item{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:12px;
  color:rgba(255,255,255,.82);font-size:16px;border:1px solid transparent;
}
.mobile-drawer a.nav-item:hover,.mobile-drawer a.nav-item.active{
  background:rgba(200,247,81,.08);border-color:var(--hairline);color:#fff;
}
.mobile-drawer .drawer-actions{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-close{width:42px;height:42px;border-radius:10px;background:var(--ink-2);border:1px solid var(--hairline);display:grid;place-items:center;cursor:pointer;}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-tight{padding:48px 0;}
.section-dark{background:var(--ink);color:#fff;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);}
.section-soft{background:var(--surface-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:12px;letter-spacing:.08em;font-weight:600;
  background:rgba(200,247,81,.14);color:#1f3d13;border:1px solid rgba(18,160,92,.22);
}
.section-dark .eyebrow{background:rgba(200,247,81,.12);color:var(--glow);border-color:var(--hairline);}
.h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.02em;}
.h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:clamp(19px,2vw,22px);line-height:1.35;font-weight:600;}
.lead{font-size:17px;line-height:1.8;color:var(--text-muted);}
.section-dark .lead{color:rgba(255,255,255,.72);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .h2{margin-top:14px;}
.section-head p{margin-top:14px;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:13.5px;color:var(--text-muted);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs a{color:var(--text-muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#b9c2bb;}
.crumbs .current{color:#8a968e;}

/* ---------- Hero ---------- */
.cat-hero{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  padding:32px 0 64px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,160,92,.28) 0%,rgba(11,18,16,.7) 45%,rgba(11,18,16,.15) 100%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;gap:36px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;}}
.hero-copy .h1{margin-top:20px;}
.hero-copy .lead{margin-top:18px;max-width:620px;}
.hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px;}
@media (min-width:640px){.hero-actions{flex-direction:row;flex-wrap:wrap;}}
.hero-media{position:relative;border-radius:var(--radius-kv);overflow:hidden;border:1px solid var(--hairline);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-float{
  position:absolute;left:14px;bottom:14px;right:auto;
  padding:12px 14px;border-radius:14px;
  background:rgba(11,18,16,.86);border:1px solid var(--hairline);
  display:flex;flex-direction:column;gap:4px;min-width:170px;
}
.hero-float .t{font-size:12px;color:rgba(255,255,255,.6);}
.hero-float .v{font-family:var(--font-num);font-size:20px;color:var(--glow);line-height:1.1;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(200,247,81,.14);color:var(--glow);border:1px solid var(--hairline);
}
.tag-accent{background:rgba(255,106,43,.16);color:#ffb08a;border-color:rgba(255,106,43,.3);}
.tag-soft{background:#EDF3EA;color:#2c4a35;border-color:#DCE6D8;}

/* ---------- 8:4 主体 ---------- */
.split{display:grid;gap:32px;}
@media (min-width:1024px){.split{grid-template-columns:2fr 1fr;gap:44px;align-items:start;}}
.article-flow{display:flex;flex-direction:column;gap:44px;}
.chapter{border-top:1px solid var(--line);padding-top:32px;}
.chapter:first-child{border-top:0;padding-top:0;}
.chapter-head{display:flex;align-items:flex-start;gap:14px;}
.chapter-index{
  font-family:var(--font-num);font-size:28px;line-height:1;color:var(--accent);
  padding-top:4px;min-width:44px;
}
.chapter .lead{margin-top:14px;}
.chapter figure{margin:22px 0 0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);}
.chapter figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.chapter figcaption{font-size:12.5px;color:var(--text-muted);padding:10px 14px;background:var(--surface-soft);border-top:1px solid var(--line);}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-card);
  background:var(--surface-soft);border:1px solid var(--line);
  font-size:15px;color:#25332c;
}
.check-list li .mk{
  flex-shrink:0;width:20px;height:20px;border-radius:6px;margin-top:2px;
  background:var(--glow);display:grid;place-items:center;
}
.step-mini{margin-top:18px;display:flex;flex-direction:column;gap:14px;counter-reset:sm;}
.step-mini li{
  display:flex;gap:14px;align-items:flex-start;
  font-size:15.5px;color:#25332c;
}
.step-mini li::before{
  counter-increment:sm;content:"0" counter(sm);
  font-family:var(--font-num);font-size:18px;color:var(--brand);line-height:1.4;min-width:30px;
}

/* 侧边锚点 */
.aside-anchor{position:relative;}
@media (min-width:1024px){
  .aside-anchor{position:sticky;top:92px;}
}
.anchor-card{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-soft);padding:22px;
}
.anchor-card h3{font-size:14px;letter-spacing:.08em;color:var(--text-muted);font-weight:700;}
.anchor-list{margin-top:16px;display:flex;flex-direction:column;gap:4px;}
.anchor-list a{
  display:flex;align-items:center;min-height:44px;padding:0 12px;
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  font-size:14.5px;color:#37453d;
}
.anchor-list a:hover{background:var(--surface-soft);color:var(--brand);}
.anchor-list a.is-current{border-left-color:var(--glow);background:var(--surface-soft);color:#0B1210;font-weight:600;}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-muted);}
@media (max-width:1023px){
  .anchor-card{padding:16px;}
  .anchor-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;}
  .anchor-list a{
    border-left:0;border-radius:var(--radius-pill);border:1px solid var(--line);
    white-space:nowrap;padding:0 16px;background:var(--surface);
  }
  .anchor-list a.is-current{border-color:var(--glow);background:rgba(200,247,81,.16);}
  .anchor-note{display:none;}
}

/* ---------- 数据条 ---------- */
.databar{
  background:var(--ink);border-radius:var(--radius-kv);
  border:1px solid var(--hairline);
  padding:28px 24px;
  display:grid;gap:22px;
}
@media (min-width:640px){.databar{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.databar{grid-template-columns:repeat(4,1fr);padding:34px 32px;}}
.databar .item{display:flex;flex-direction:column;gap:6px;}
.databar .v{font-family:var(--font-num);font-size:34px;line-height:1;color:var(--glow);}
.databar .k{font-size:13.5px;color:rgba(255,255,255,.68);}
.databar .unit{font-size:16px;margin-left:4px;color:rgba(200,247,81,.75);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface);box-shadow:var(--shadow-soft);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(18,160,92,.5);box-shadow:var(--shadow-lift);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .idx{font-family:var(--font-num);font-size:20px;color:var(--brand);line-height:1.5;min-width:32px;}
.faq-item .q{font-size:17px;font-weight:600;line-height:1.6;flex:1;color:#12201a;}
.faq-item .plus{
  flex-shrink:0;width:22px;height:22px;margin-top:3px;position:relative;
  transition:transform .2s var(--ease);
}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-item .plus::before{left:0;right:0;top:10px;height:2px;}
.faq-item .plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item[open] .plus{transform:rotate(45deg);}
.faq-item[open] .plus::before,.faq-item[open] .plus::after{background:var(--accent);}
.faq-item .a{padding:0 20px 20px 66px;max-width:720px;font-size:15.5px;line-height:1.75;color:#3a4a42;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-top:1px solid var(--hairline);
  padding:64px 0;
}
@media (min-width:1024px){.cta-band{padding:88px 0;}}
.cta-inner{display:grid;gap:28px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:8fr 4fr;gap:48px;}}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){.cta-actions{flex-direction:row;flex-wrap:wrap;}}
@media (max-width:639px){.cta-actions .btn{width:100%;}}

/* ---------- 内链卡片 ---------- */
.link-cards{display:grid;gap:20px;}
@media (min-width:768px){.link-cards{grid-template-columns:repeat(3,1fr);gap:24px;}}
.link-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface);box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.link-card:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--shadow-lift);}
.link-card .thumb{overflow:hidden;aspect-ratio:16/9;}
.link-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s var(--ease);}
.link-card:hover .thumb img{transform:scale(1.03);}
.link-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.link-card .h3{font-size:18px;line-height:1.45;}
.link-card p{font-size:14px;color:var(--text-muted);line-height:1.7;}
.link-card .more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-card .more .arw{font-family:var(--font-num);transition:transform .2s var(--ease);}
.link-card:hover .more .arw{transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;border-top:1px solid var(--hairline);padding:56px 0 28px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:5fr 3fr 3fr 3fr;gap:40px;}}
.footer-brand .brand-name{font-size:17px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);max-width:340px;}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;font-weight:700;color:rgba(255,255,255,.72);
  text-transform:uppercase;margin-bottom:16px;
}
.footer-col a{
  display:flex;align-items:center;min-height:44px;
  font-size:14px;color:rgba(255,255,255,.55);
}
.footer-col a:hover{color:var(--glow);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--hairline);
  display:flex;flex-direction:column;gap:10px;
  font-size:13px;color:rgba(255,255,255,.42);
}
@media (min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
}
.footer-bottom .domain{color:rgba(255,255,255,.3);}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --ink:#0B1210;
  --ink-2:#13211B;
  --glow:#C8F751;
  --brand:#12A05C;
  --accent:#FF6A2B;
  --surface:#FFFFFF;
  --soft:#F4F6F1;
  --line:#E3E8DF;
  --muted:#5B6B62;
  --hair:rgba(200,247,81,.16);
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(11,18,16,.06);
  --sh-h:0 12px 32px rgba(11,18,16,.12);
  --tr:200ms cubic-bezier(.2,.7,.3,1);
  --sec:88px;
  --navh:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4,p,dl,dd,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
::selection{background:rgba(200,247,81,.35)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0B1210}
::-webkit-scrollbar-thumb{background:rgba(200,247,81,.28);border-radius:999px;border:2px solid #0B1210}
::-webkit-scrollbar-thumb:hover{background:rgba(200,247,81,.45)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  height:var(--navh);
  background:var(--ink);
  border-bottom:1px solid var(--hair);
  transition:var(--tr);
}
.site-header.scrolled{
  background:rgba(11,18,16,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--navh)}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(200,247,81,.10);
  border:1px solid var(--hair);
}
.brand-name em{font-style:normal;color:var(--glow)}
.nav-links{display:flex;align-items:center;gap:4px;height:var(--navh)}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 14px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.72);
  transition:var(--tr);
}
.nav-links a:hover{background:rgba(200,247,81,.08);color:#fff}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:12px;height:2px;
  background:var(--glow);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:10px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--hair);
  transition:var(--tr);
}
.nav-search:focus-within{border-color:var(--glow);box-shadow:0 0 0 3px rgba(200,247,81,.14)}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  color:#fff;font-size:13px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.42)}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--hair);
  transition:var(--tr);
}
.nav-burger:hover{background:rgba(200,247,81,.1)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;color:var(--ink);
  transition:var(--tr);cursor:pointer;
}
.btn:active{transform:scale(.98)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-glow{background:var(--glow);color:var(--ink);font-weight:700}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,247,81,.28);filter:brightness(1.04)}
.btn-outline{border-color:rgba(200,247,81,.45);color:#fff}
.btn-outline:hover{background:rgba(200,247,81,.1);border-color:var(--glow);transform:translateY(-2px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,160,92,.28);filter:brightness(1.06)}
.btn-soft{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-soft:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-ghost{padding:0;min-height:0;color:var(--brand);font-weight:600}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px}
.btn-arrow{font-family:var(--font-num);font-size:17px;line-height:1}

/* ============ 通用标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.08em;line-height:1.4;
  border:1px solid transparent;
}
.tag-glow{background:rgba(200,247,81,.16);color:#3E5B12;border-color:rgba(200,247,81,.5)}
.tag-glow-dark{background:var(--glow);color:var(--ink);font-weight:700}
.tag-orange{background:rgba(255,106,43,.14);color:#B23F0E;border-color:rgba(255,106,43,.35)}
.tag-plain{background:var(--soft);color:var(--muted);border-color:var(--line)}
.tag-dark{background:rgba(255,255,255,.06);color:rgba(255,255,255,.8);border-color:var(--hair)}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--ink);border-bottom:1px solid var(--hair);padding:14px 0}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.crumb a{color:rgba(255,255,255,.68);transition:var(--tr)}
.crumb a:hover{color:var(--glow)}
.crumb .sep{color:rgba(255,255,255,.28)}
.crumb .current{color:rgba(255,255,255,.85)}
.crumb .domain{color:rgba(255,255,255,.34)}

/* ============ HERO ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  padding:64px 0 72px;
  border-bottom:1px solid var(--hair);
}
.hero-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 12% 8%, rgba(18,160,92,.42), transparent 62%),
    linear-gradient(90deg, rgba(11,18,16,.92) 0%, rgba(11,18,16,.45) 58%, rgba(11,18,16,.2) 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero-copy h1{
  margin:18px 0 0;
  font-size:clamp(30px,5vw,50px);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;
  color:#fff;
}
.hero-sub{
  margin-top:18px;max-width:560px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.74);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;margin-top:36px;padding-top:26px;
  border-top:1px solid var(--hair);
}
.hero-stats dt{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:4px}
.hero-stats dd{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;line-height:1.1;font-weight:700;color:var(--glow);
}
.hero-stats dd span{font-size:14px;color:rgba(255,255,255,.6);font-family:var(--font-cn);margin-left:4px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--hair)}
.hero-media img{width:100%;height:420px;object-fit:cover}
.media-float{
  position:absolute;left:16px;bottom:16px;
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:14px;
  background:rgba(11,18,16,.86);
  border:1px solid var(--hair);
  font-size:12px;color:rgba(255,255,255,.72);
}
.media-float strong{font-family:var(--font-num);font-size:16px;color:var(--glow);font-weight:700}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-soft{background:var(--soft)}
.section-dark{background:var(--ink);color:#fff}
.section-dark .sec-sub{color:rgba(255,255,255,.62)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{
  font-size:clamp(26px,3.2vw,34px);
  line-height:1.25;font-weight:700;letter-spacing:-.015em;margin-top:14px;
}
.sec-sub{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8}
.section-dark h2{color:#fff}

/* ============ 锚点标签栏 ============ */
.tabbar-wrap{position:relative;z-index:2;margin-top:-26px}
.tabbar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:12px;border-radius:18px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh);
}
.tabbar a{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--muted);
  border:1px solid transparent;transition:var(--tr);
}
.tabbar a:hover{background:var(--soft);color:var(--ink)}
.tabbar a.is-current{background:var(--ink);color:#fff;border-color:var(--ink)}
.tabbar a .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.tabbar a.is-current .dot{background:var(--glow)}

/* ============ 交错图文 ============ */
.zig{
  display:grid;grid-template-columns:1fr 1fr;
  gap:52px;align-items:center;
  padding:44px 0;
  border-top:1px solid var(--line);
}
.zig:first-of-type{border-top:0;padding-top:0}
.zig-media{border-radius:20px;overflow:hidden;background:var(--soft)}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.zig-media:hover img{transform:scale(1.03)}
.zig--reverse .zig-media{order:2}
.zig-body h3{font-size:clamp(20px,2.4vw,24px);line-height:1.35;font-weight:600;letter-spacing:-.01em}
.zig-body>p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8}
.zig-list{margin-top:20px;display:grid;gap:12px}
.zig-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:14px;
  background:var(--soft);border:1px solid var(--line);
  transition:var(--tr);
}
.zig-list li:hover{border-color:rgba(18,160,92,.45);transform:translateY(-2px);box-shadow:var(--sh)}
.zig-list .idx{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--glow);
  font-family:var(--font-num);font-size:14px;font-weight:700;
}
.zig-list strong{font-weight:600}
.zig-list span{color:var(--muted);font-size:14.5px;line-height:1.7;display:block;margin-top:2px}

/* ============ 数据条 ============ */
.databar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;padding:28px 32px;border-radius:20px;
  background:var(--ink-2);border:1px solid var(--hair);
}
.databar div{border-left:2px solid rgba(200,247,81,.35);padding-left:16px}
.databar dt{font-size:13px;color:rgba(255,255,255,.55)}
.databar dd{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;line-height:1.15;font-weight:700;color:var(--glow);margin-top:2px;
}
.databar dd small{font-family:var(--font-cn);font-size:14px;color:rgba(255,255,255,.6);margin-left:4px;font-weight:400}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:12px}
.timeline-track{
  position:absolute;left:8%;right:8%;top:38px;height:2px;
  background:linear-gradient(90deg, rgba(200,247,81,.5), rgba(200,247,81,.18));
}
.timeline-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.tl-node{text-align:center}
.tl-dot{
  width:20px;height:20px;border-radius:50%;margin:28px auto 0;
  background:var(--accent);border:4px solid var(--ink);
  box-shadow:0 0 0 2px rgba(255,106,43,.4);
  position:relative;z-index:1;
}
.tl-node:nth-child(2) .tl-dot{background:var(--glow);box-shadow:0 0 0 2px rgba(200,247,81,.45)}
.tl-stage{
  margin-top:22px;font-family:var(--font-num);font-size:15px;letter-spacing:.14em;
  color:rgba(255,255,255,.5);
}
.tl-node h3{margin-top:8px;font-size:19px;font-weight:600;color:#fff}
.tl-node p{margin-top:10px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.62)}
.tl-card{
  margin-top:18px;padding:16px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--hair);text-align:left;
}
.tl-card b{color:var(--glow);font-family:var(--font-num);font-size:17px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:940px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);transition:var(--tr);
}
.faq-item[open]{border-color:rgba(200,247,81,.85);box-shadow:var(--sh)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-no{
  flex:none;width:44px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;color:var(--brand);
}
.faq-q{flex:1;font-size:17px;font-weight:600;line-height:1.5}
.faq-plus{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--muted);
  font-family:var(--font-num);font-size:18px;line-height:1;
  transition:var(--tr);
}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:rgba(255,106,43,.14);color:var(--accent)}
.faq-a{padding:0 22px 22px 82px;max-width:760px;color:var(--muted);line-height:1.8;font-size:15.5px}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);color:#fff;
  border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  padding:72px 0;
}
.cta-inner{
  display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center;
}
.cta-inner h2{font-size:clamp(26px,3.4vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.02em}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.68);font-size:16px;max-width:620px;line-height:1.8}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ============ 内链卡片 ============ */
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.link-card{
  display:flex;flex-direction:column;height:100%;
  padding:24px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh);transition:var(--tr);
}
.link-card:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--sh-h)}
.link-card .thumb{border-radius:12px;overflow:hidden;margin-bottom:18px}
.link-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.link-card:hover .thumb img{transform:scale(1.03)}
.link-card h3{font-size:19px;font-weight:600;line-height:1.45}
.link-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75}
.link-card .more{
  margin-top:auto;padding-top:16px;
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
}
.link-card:hover .more{gap:10px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;border-top:1px solid var(--hair);padding:64px 0 24px}
.footer-grid{
  display:grid;grid-template-columns:5fr 3fr 3fr 3fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid var(--hair);
}
.footer-brand .brand-name{font-size:17px;font-weight:700;color:#fff;display:inline-block}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.56);max-width:340px}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(200,247,81,.7);margin-bottom:16px;font-weight:600;
}
.footer-col a{
  display:block;min-height:44px;line-height:44px;
  font-size:14px;color:rgba(255,255,255,.62);
  transition:var(--tr);
}
.footer-col a:hover{color:var(--glow);transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .domain{color:rgba(255,255,255,.34)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero-grid{gap:36px}
  .nav-search{width:200px}
}
@media (max-width:1023px){
  :root{--navh:60px;--sec:64px}
  .nav-links{
    position:fixed;left:0;right:0;top:var(--navh);bottom:0;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:20px 24px 32px;
    background:var(--ink);
    border-top:1px solid var(--hair);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:var(--tr);
    z-index:60;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links a{height:54px;font-size:17px;padding:0 16px;border-radius:12px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:rgba(200,247,81,.1)}
  .nav-burger{display:inline-flex}
  .nav-tools .btn-outline{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{height:320px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .databar{grid-template-columns:repeat(2,minmax(0,1fr));padding:24px}
  .timeline-track{display:none}
  .timeline-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .tl-dot{margin-top:0}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-search{display:none}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
  .hero-stats dd{font-size:26px}
  .zig{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .zig--reverse .zig-media{order:0}
  .timeline-grid{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr}
  .faq-a{padding:0 18px 18px 18px}
  .faq-no{width:34px;font-size:20px}
  .faq-item summary{padding:18px;gap:12px}
  .btn{width:100%}
  .hero-actions{gap:10px}
  .tabbar a{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  :root{--sec:48px}
  body{font-size:16px}
  .databar{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .hero-media img{height:260px}
}

/* roulang page: category3 */
:root{
  --ink:#0B1210;
  --ink-2:#13211B;
  --glow:#C8F751;
  --brand:#12A05C;
  --accent:#FF6A2B;
  --surface:#FFFFFF;
  --surface-soft:#F4F6F1;
  --line:#E3E8DF;
  --text:#0B1210;
  --text-muted:#5B6B62;
  --line-glow:rgba(200,247,81,.16);
  --radius-card:16px;
  --radius-kv:24px;
  --radius-btn:12px;
  --shadow-soft:0 8px 24px rgba(11,18,16,.06);
  --shadow-lift:0 14px 34px rgba(11,18,16,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-display:'Barlow Condensed','DIN Alternate','Arial Narrow',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
.num{font-family:var(--font-display);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-soft{background:var(--surface-soft);}
.section-dark{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:#0B1210;background:var(--glow);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.section-dark .section-tag{background:rgba(200,247,81,.14);color:var(--glow);border:1px solid var(--line-glow);}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.02em;}
h2{font-size:clamp(26px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h3{font-size:21px;line-height:1.35;font-weight:600;}
.lead{font-size:17px;line-height:1.85;color:var(--text-muted);}
.section-dark .lead{color:rgba(255,255,255,.72);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid var(--line-glow);
  transition:box-shadow 200ms var(--ease),backdrop-filter 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.35);backdrop-filter:blur(8px);}
.nav-shell{display:flex;align-items:center;gap:18px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(200,247,81,.10);border:1px solid var(--line-glow);
}
.brand-name{color:#fff;font-weight:700;font-size:16px;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--glow);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;margin-left:6px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 12px;border-radius:8px;
  color:rgba(255,255,255,.72);font-size:14.5px;
  transition:color 200ms var(--ease),background 200ms var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(200,247,81,.08);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--glow);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 14px;
  background:var(--ink-2);border:1px solid var(--line-glow);border-radius:999px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.nav-search:focus-within{border-color:var(--glow);box-shadow:0 0 0 3px rgba(200,247,81,.14);}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:13.5px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.42);}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(200,247,81,.08);border:1px solid var(--line-glow);
  align-items:center;justify-content:center;
}
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink);
  padding:22px 24px 32px;display:none;flex-direction:column;gap:6px;
}
.nav-drawer.open{display:flex;}
.nav-drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;min-height:52px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.82);font-size:16px;border:1px solid transparent;
}
.nav-drawer a.drawer-link.active{color:var(--glow);border-color:var(--line-glow);background:rgba(200,247,81,.06);}
.drawer-close{
  width:42px;height:42px;border-radius:10px;background:rgba(200,247,81,.08);
  border:1px solid var(--line-glow);color:var(--glow);display:grid;place-items:center;
}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.drawer-actions .btn{width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-glow{background:var(--glow);color:#0B1210;font-weight:700;}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(200,247,81,.28);}
.btn-outline{border-color:rgba(200,247,81,.45);color:var(--glow);background:transparent;}
.btn-outline:hover{background:rgba(200,247,81,.10);transform:translateY(-2px);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,160,92,.28);}
.btn-solid-dark{background:#0B1210;color:#fff;}
.btn-solid-dark:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,18,16,.22);}
.btn-soft{border-color:var(--line);color:var(--text);background:#fff;}
.btn-soft:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-arrow{font-size:14px;line-height:1;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--glow);outline-offset:2px;
}
.link-quiet{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;}
.link-quiet:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--surface-soft);border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0;font-size:13.5px;color:var(--text-muted);}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .current{color:#0B1210;font-weight:600;}
.crumb .domain-dim{color:rgba(11,18,16,.38);}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:72px 0 80px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,18,16,.92) 0%,rgba(11,18,16,.68) 45%,rgba(11,18,16,.35) 100%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--glow);background:rgba(200,247,81,.10);border:1px solid var(--line-glow);
}
.hero h1{margin:20px 0 18px;}
.hero h1 span{color:var(--glow);}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.74);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:40px;padding-top:28px;border-top:1px solid var(--line-glow);
}
.fact-num{font-family:var(--font-display);font-size:32px;line-height:1;color:var(--glow);font-variant-numeric:tabular-nums;}
.fact-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:8px;line-height:1.5;}
.hero-media{position:relative;border-radius:var(--radius-kv);overflow:hidden;border:1px solid var(--line-glow);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;left:16px;bottom:16px;
  background:rgba(11,18,16,.88);border:1px solid var(--line-glow);
  border-radius:14px;padding:12px 16px;backdrop-filter:blur(4px);
}
.hero-float .t{font-family:var(--font-display);font-size:20px;color:var(--glow);font-variant-numeric:tabular-nums;}
.hero-float .s{font-size:12.5px;color:rgba(255,255,255,.66);margin-top:4px;}

/* ---------- data strip ---------- */
.data-strip{
  background:var(--ink);color:#fff;border-top:1px solid var(--line-glow);
  padding:44px 0;
}
.data-strip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.data-item{padding-left:18px;border-left:2px solid rgba(200,247,81,.35);}
.data-item .v{font-family:var(--font-display);font-size:36px;line-height:1;color:var(--glow);font-variant-numeric:tabular-nums;}
.data-item .k{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;}
.data-item .d{font-size:13px;color:rgba(255,255,255,.5);margin-top:4px;line-height:1.6;}

/* ---------- intro ---------- */
.intro-block{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:start;}
.intro-note{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-soft);
}
.intro-note h3{font-size:17px;margin-bottom:12px;}
.intro-note ul{display:flex;flex-direction:column;gap:10px;}
.intro-note li{display:flex;gap:10px;font-size:14.5px;color:var(--text-muted);line-height:1.7;}
.intro-note li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;background:var(--brand);border-radius:2px;}

/* ---------- timeline (chronological) ---------- */
.timeline{display:flex;flex-direction:column;}
.tl-item{
  display:grid;grid-template-columns:120px minmax(0,1fr);gap:32px;
  padding:0 0 40px;border-bottom:1px dashed var(--line);
  margin-bottom:40px;
}
.tl-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.tl-num{
  font-family:var(--font-display);font-size:56px;line-height:1;
  color:rgba(255,106,43,.38);font-variant-numeric:tabular-nums;
}
.tl-body h3{margin-bottom:12px;}
.tl-body p{color:var(--text-muted);}
.tl-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tl-points span{
  font-size:13px;padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-muted);
}
.tl-figure{margin-top:22px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tl-figure figcaption{font-size:12.5px;color:var(--text-muted);padding:12px 16px;}

/* ---------- reward cards ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.reward-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-soft);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--shadow-lift);}
.reward-card .big{font-family:var(--font-display);font-size:52px;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums;}
.reward-card .big em{font-style:normal;font-size:18px;color:var(--text-muted);margin-left:8px;}
.reward-card h3{margin:16px 0 10px;}
.reward-card p{font-size:15px;color:var(--text-muted);line-height:1.75;}
.reward-card .tagline{display:inline-flex;margin-top:16px;font-size:12px;letter-spacing:.08em;font-weight:700;color:#0B1210;background:rgba(200,247,81,.55);padding:5px 12px;border-radius:999px;}

/* ---------- dark progress ---------- */
.progress-wrap{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start;}
.bar-row{margin-bottom:22px;}
.bar-row:last-child{margin-bottom:0;}
.bar-head{display:flex;justify-content:space-between;align-items:baseline;font-size:14.5px;color:rgba(255,255,255,.78);margin-bottom:10px;}
.bar-head .num{color:var(--glow);font-size:19px;}
.bar{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--glow),#9fe02f);}
.bar span.orange{background:linear-gradient(90deg,var(--accent),#ff9163);}
.badge-wall{display:flex;flex-wrap:wrap;gap:12px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--line-glow);background:var(--ink-2);color:rgba(255,255,255,.78);
}
.badge-pill.on{background:rgba(200,247,81,.14);color:var(--glow);border-color:rgba(200,247,81,.4);}
.badge-pill.off{opacity:.42;}
.badge-pill .dot{width:8px;height:8px;border-radius:50%;background:currentColor;}
.progress-aside{
  background:var(--ink-2);border:1px solid var(--line-glow);border-radius:var(--radius-card);
  padding:26px;
}
.progress-aside h3{font-size:19px;margin-bottom:12px;}
.progress-aside p{font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.75;}
.progress-aside .btn{margin-top:20px;width:100%;}
.progress-aside ul{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.progress-aside li{font-size:14px;color:rgba(255,255,255,.62);display:flex;gap:10px;}
.progress-aside li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--accent);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 22px;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
details.faq[open]{border-color:var(--glow);box-shadow:var(--shadow-soft);}
details.faq summary{
  display:flex;align-items:center;gap:18px;cursor:pointer;list-style:none;
}
details.faq summary::-webkit-details-marker{display:none;}
.faq-no{font-family:var(--font-display);font-size:20px;color:var(--glow);min-width:34px;font-variant-numeric:tabular-nums;}
.faq-q{flex:1;font-size:17px;font-weight:600;}
.faq-plus{
  font-size:22px;line-height:1;color:var(--text-muted);transition:transform 200ms var(--ease),color 200ms var(--ease);
}
details.faq[open] .faq-plus{transform:rotate(45deg);color:var(--accent);}
.faq-a{margin-top:14px;padding-left:52px;max-width:720px;color:var(--text-muted);font-size:15.5px;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;border-top:1px solid var(--line-glow);}
.cta-inner{
  display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:center;
}
.cta-inner h2{margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.7);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- link cards ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.link-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-soft);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.link-card:hover{transform:translateY(-4px);border-color:var(--glow);box-shadow:var(--shadow-lift);}
.link-card .thumb{border-radius:12px;overflow:hidden;margin-bottom:16px;}
.link-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 300ms var(--ease);}
.link-card:hover .thumb img{transform:scale(1.03);}
.pill{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;border:1px solid transparent;
}
.pill-glow{background:rgba(200,247,81,.5);color:#0B1210;}
.pill-accent{background:var(--accent);color:#fff;}
.pill-soft{background:var(--surface-soft);border-color:var(--line);color:var(--text-muted);}
.link-card h3{font-size:18px;margin:12px 0 8px;}
.link-card p{font-size:14.5px;color:var(--text-muted);line-height:1.7;}
.link-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:var(--brand);font-weight:600;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;border-top:1px solid var(--line-glow);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand-name{display:inline-block;font-size:17px;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;max-width:340px;}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;font-weight:700;color:rgba(255,255,255,.5);
  margin-bottom:16px;text-transform:uppercase;
}
.footer-col a{
  display:block;min-height:44px;line-height:44px;font-size:14px;
  color:rgba(255,255,255,.68);transition:color 200ms var(--ease),transform 200ms var(--ease);
}
.footer-col a:hover{color:var(--glow);transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .domain{color:rgba(255,255,255,.34);}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .nav-search{width:200px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-burger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{aspect-ratio:16/9;}
  .intro-block{grid-template-columns:1fr;gap:28px;}
  .progress-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .link-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:52px 0 60px;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .data-strip-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .reward-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:64px minmax(0,1fr);gap:18px;padding-bottom:28px;margin-bottom:28px;}
  .tl-num{font-size:40px;}
  .faq-a{padding-left:0;}
  .faq-no{font-size:20px;min-width:28px;}
  .link-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .brand-name{font-size:14.5px;}
  .data-strip-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-float{left:12px;right:12px;bottom:12px;}
}