/* roulang page: index */
:root{
  --ink-1:#1E1430;
  --ink-2:#2A1B4E;
  --brand:#FF5A36;
  --brand-dark:#E9431F;
  --jade:#12C2B4;
  --gold:#FFC24B;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#2B2437;
  --muted:#6B6280;
  --locked:#B9B2C7;
  --danger:#E5484D;
  --r-card:16px;
  --r-btn:12px;
  --r-badge:6px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(30,20,48,.06), 0 12px 32px rgba(42,27,78,.08);
  --shadow-lift:0 2px 4px rgba(30,20,48,.08), 0 18px 40px rgba(42,27,78,.14);
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",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-weight:400;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(255,90,54,.22);color:var(--text);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:#CFC7C0;border-radius:999px;border:2px solid var(--paper);}
::-webkit-scrollbar-thumb:hover{background:var(--locked);}
::-webkit-scrollbar-track{background:var(--paper);}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 状态条 ============ */
.statusbar{
  background:var(--ink-1);
  color:rgba(255,255,255,.82);
  font-size:13px;
  line-height:40px;
  height:40px;
  overflow:hidden;
}
.statusbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.statusbar-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.status-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--jade);
  box-shadow:0 0 0 3px rgba(18,194,180,.18);
  flex:none;
}
.statusbar-right{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.6);white-space:nowrap;}
.statusbar-right svg{width:14px;height:14px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.nav-group{display:flex;align-items:center;gap:28px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:#4A4256;
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;
  letter-spacing:.2px;
  color:var(--text);
  white-space:nowrap;
}
.brand-mark{
  width:32px;height:32px;flex:none;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,#FF8A5B 60%,var(--gold) 100%);
  display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;
  gap:3px;padding:6px;
}
.brand-mark span{background:rgba(255,255,255,.92);border-radius:2px;}
.brand-mark span:nth-child(2){background:rgba(255,255,255,.55);}
.brand-mark span:nth-child(3){background:rgba(255,255,255,.75);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 12px 24px rgba(255,90,54,.28);color:#fff;}
.nav-cta:active{transform:translateY(0);}

.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--ink-1);
  padding:24px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .26s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:22px;line-height:1;
}
.drawer .brand{color:#fff;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{
  font-size:17px;font-weight:500;color:rgba(255,255,255,.86);
  padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);}
.drawer-foot{margin-top:24px;}
.drawer-foot .nav-cta{width:100%;height:50px;}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 28px rgba(255,90,54,.3);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  border:1px solid rgba(255,255,255,.4);
  color:#fff;background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);color:#fff;}
.btn-outline{
  border:1px solid var(--line);background:#fff;color:var(--text);
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow-card);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:15px;
}
.btn-text:hover{color:var(--brand-dark);gap:10px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:560px;
  background:linear-gradient(180deg,var(--ink-1) 0%,var(--ink-2) 100%);
  overflow:hidden;
  display:flex;
  align-items:center;
  padding:80px 0 44px;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.44;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(255,90,54,.22) 0%, rgba(255,90,54,0) 55%),
    linear-gradient(180deg, rgba(30,20,48,.62) 0%, rgba(30,20,48,.86) 62%, rgba(30,20,48,.97) 100%);
}
.hero-grid-lines{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 84px);
  opacity:.6;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:820px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.9);
  font-size:13px;
  margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--jade);display:block;}
.hero h1{
  color:#fff;
  font-size:clamp(30px,5vw,52px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-sub{
  color:rgba(255,255,255,.82);
  font-size:17px;
  line-height:1.8;
  max-width:640px;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  background:rgba(255,255,255,.05);
  overflow:hidden;
  max-width:640px;
}
.hero-stat{padding:16px 20px;background:rgba(255,255,255,.03);}
.hero-stat b{display:block;color:#fff;font-size:22px;line-height:1.4;font-variant-numeric:tabular-nums;}
.hero-stat span{display:block;color:rgba(255,255,255,.62);font-size:13px;line-height:1.6;}
.hero-chip{
  position:absolute;top:34px;right:32px;z-index:3;
  padding:8px 14px;border-radius:var(--r-badge);
  background:rgba(255,194,75,.14);
  border:1px solid rgba(255,194,75,.5);
  color:var(--gold);font-size:13px;font-weight:700;
}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section.paper{background:var(--paper);}
.section.dark{background:linear-gradient(180deg,var(--ink-1) 0%,var(--ink-2) 100%);position:relative;overflow:hidden;}
.section.dark .section-head h2,.section.dark .section-head p{color:#fff;}
.section.dark .section-head p{color:rgba(255,255,255,.68);}
.section-head{max-width:660px;margin-bottom:48px;}
.section-tag{
  display:inline-block;
  font-size:13px;font-weight:700;
  color:var(--brand);
  letter-spacing:1px;
  margin-bottom:12px;
}
.section-head h2{font-size:32px;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 步骤轨 ============ */
.steps{position:relative;display:flex;flex-direction:column;gap:0;}
.steps::before{
  content:"";
  position:absolute;left:50%;top:12px;bottom:12px;
  width:2px;margin-left:-1px;
  background:linear-gradient(180deg,rgba(255,90,54,.5),rgba(18,194,180,.4),rgba(230,225,218,.9));
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:1fr 88px 1fr;
  align-items:center;
  gap:0;
  padding:22px 0;
}
.step-num{
  grid-column:2;
  width:60px;height:60px;margin:0 auto;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  color:var(--jade);
  font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
}
.step-body{
  grid-column:1;
  grid-row:1;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#F3C9BC;}
.step-body h3{font-size:20px;margin-bottom:10px;}
.step-body p{color:var(--muted);font-size:15px;line-height:1.85;}
.step-figure{
  grid-column:3;
  grid-row:1;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-card);
}
.step-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.step-figure:hover img{transform:scale(1.02);}
.step:nth-child(even) .step-body{grid-column:3;}
.step:nth-child(even) .step-figure{grid-column:1;}

/* ============ 奖励卡 ============ */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.reward-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#F3C9BC;}
.reward-media{position:relative;overflow:hidden;background:#EFEAE4;}
.reward-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.reward-card:hover .reward-media img{transform:scale(1.03);}
.rarity{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  font-size:12px;font-weight:700;
  letter-spacing:.5px;
  background:rgba(30,20,48,.82);
  color:#fff;
}
.rarity.gold{background:rgba(255,194,75,.95);color:#3A2A05;}
.rarity.jade{background:rgba(18,194,180,.92);color:#04302C;}
.rarity.brand{background:rgba(255,90,54,.94);color:#fff;}
.reward-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward-body h3{font-size:17px;}
.reward-body p{color:var(--muted);font-size:14px;line-height:1.75;}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:var(--r-badge);
  font-size:12px;font-weight:600;
  background:#F2EEE9;
  color:var(--muted);
  border:1px solid var(--line);
}
.tag.brand{background:rgba(255,90,54,.1);color:var(--brand-dark);border-color:rgba(255,90,54,.24);}
.tag.jade{background:rgba(18,194,180,.1);color:#0A8B81;border-color:rgba(18,194,180,.26);}
.tag.gold{background:rgba(255,194,75,.16);color:#8A6100;border-color:rgba(255,194,75,.42);}

/* ============ 进度轨 ============ */
.track-wrap{position:relative;padding-top:8px;}
.track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.track-rail{
  position:absolute;left:0;right:0;top:15px;
  height:8px;border-radius:999px;
  background:rgba(255,255,255,.16);
  overflow:hidden;
}
.track-fill{
  height:100%;width:62%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--jade),var(--brand));
}
.track-node{position:relative;z-index:2;text-align:left;}
.node-dot{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  background:var(--ink-1);
  border:2px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.6);
}
.node-dot.done{background:var(--brand);border-color:var(--brand);color:#fff;}
.node-dot.doing{
  background:var(--ink-1);
  border-color:var(--brand);
  color:var(--brand);
  animation:pulse 2.2s infinite;
}
.node-dot.locked{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);color:var(--locked);opacity:.5;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,54,.45);}
  70%{box-shadow:0 0 0 12px rgba(255,90,54,0);}
  100%{box-shadow:0 0 0 0 rgba(255,90,54,0);}
}
.track-node h3{color:#fff;font-size:16px;margin-bottom:6px;}
.track-node p{color:rgba(255,255,255,.62);font-size:13px;line-height:1.7;}
.track-node .state{display:inline-block;font-size:12px;font-weight:700;margin-bottom:8px;color:var(--jade);}
.track-node .state.gray{color:var(--locked);}

/* ============ 资讯列表 ============ */
.cms-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.cms-feature{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:340px 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cms-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#F3C9BC;}
.cms-feature .thumb{overflow:hidden;background:#EFEAE4;}
.cms-feature .thumb img{width:100%;height:100%;min-height:240px;object-fit:cover;transition:transform .35s ease;}
.cms-feature:hover .thumb img{transform:scale(1.02);}
.cms-feature .body{padding:28px 30px;display:flex;flex-direction:column;gap:12px;}
.cms-feature h3{font-size:22px;line-height:1.45;}
.cms-feature p{color:var(--muted);font-size:15px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cms-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:#F3C9BC;}
.cms-item .thumb{overflow:hidden;background:#EFEAE4;}
.cms-item .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.cms-item:hover .thumb img{transform:scale(1.02);}
.cms-item .body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cms-item h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-item p{color:var(--muted);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto;flex-wrap:wrap;}
.meta .arrow{margin-left:auto;color:var(--brand);font-weight:700;}
.cms-empty{
  grid-column:1 / -1;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
  padding:56px 24px;
  text-align:center;
  color:var(--muted);
}
.cms-empty strong{display:block;color:var(--text);font-size:17px;margin-bottom:8px;}
.sec-foot{display:flex;justify-content:center;margin-top:40px;}

/* ============ CTA 条 ============ */
.cta-bar{
  border:1px solid rgba(255,90,54,.4);
  border-radius:20px;
  background:linear-gradient(135deg,rgba(255,90,54,.16) 0%,rgba(18,194,180,.1) 100%);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-bar h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-bar p{color:rgba(255,255,255,.7);font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:#F3C9BC;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  font-size:16px;font-weight:700;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-idx{
  width:28px;height:28px;flex:none;
  border-radius:8px;
  background:rgba(255,90,54,.12);
  color:var(--brand);
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.faq-item summary .chev{
  margin-left:auto;flex:none;
  width:18px;height:18px;
  transition:transform .2s ease;
  color:var(--muted);
}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand);}
.faq-answer{
  padding:0 24px 22px 66px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  background:linear-gradient(180deg,rgba(247,245,242,0) 0%,rgba(247,245,242,.9) 40%);
}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,var(--ink-2) 0%,var(--ink-1) 100%);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-note{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .reward-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1023px){
  .nav-wrap{grid-template-columns:auto 1fr auto;}
  .nav-group{display:none;}
  .nav-toggle{display:flex;}
  .brand{justify-self:start;font-size:17px;}
  .nav-wrap .nav-group.left{display:none;}
  .nav-wrap .nav-group.right{display:none;}
  .nav-wrap .brand{grid-column:2;justify-self:center;}
  .nav-wrap .nav-toggle{grid-column:3;justify-self:end;}
  .hero{min-height:480px;padding:64px 0 36px;}
  .section{padding:76px 0;}
  .reward-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cms-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cms-feature{grid-template-columns:1fr;}
  .cms-feature .thumb img{min-height:200px;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps::before{left:29px;}
  .step{grid-template-columns:60px 1fr;gap:20px;align-items:start;padding:18px 0;}
  .step-num{grid-column:1;grid-row:1;width:58px;height:58px;margin:0;font-size:17px;}
  .step-body{grid-column:2;grid-row:1;padding:20px;}
  .step-figure{grid-column:2;grid-row:2;margin-top:16px;}
  .step:nth-child(even) .step-body{grid-column:2;grid-row:1;}
  .step:nth-child(even) .step-figure{grid-column:2;grid-row:2;}
  .track{grid-template-columns:1fr;gap:32px;}
  .track-rail{display:none;}
  .node-dot{margin-bottom:10px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .hero{padding:52px 0 32px;min-height:460px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-stat:last-child{grid-column:1 / -1;}
  .hero-chip{top:18px;right:20px;font-size:12px;}
  .section{padding:56px 0;}
  .section.tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .reward-grid{grid-template-columns:1fr;}
  .cms-list{grid-template-columns:1fr;}
  .cta-bar{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-bar h2{font-size:22px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:14px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:16px 16px;font-size:15px;gap:10px;}
  .faq-answer{padding:0 16px 18px 54px;font-size:14px;}
  .cms-feature .body{padding:20px;}
  .cms-feature h3{font-size:19px;}
  .statusbar-right{display:none;}
}
@media (max-width:479px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat:last-child{grid-column:auto;}
  .brand{font-size:16px;}
}

/* roulang page: article */
:root{
  --ink-1:#1E1430;
  --ink-2:#2A1B4E;
  --brand:#FF5A36;
  --brand-soft:#FF6E4E;
  --jade:#12C2B4;
  --jade-deep:#0E9E92;
  --gold:#FFC24B;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#2B2437;
  --muted:#6B6280;
  --locked:#B9B2C7;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-badge:6px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(30,20,48,.06),0 12px 32px rgba(42,27,78,.08);
  --shadow-card-hover:0 2px 4px rgba(30,20,48,.08),0 18px 40px rgba(42,27,78,.14);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font-cn);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,table{margin:0}
ul,ol{list-style:none;padding:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,90,54,.22);color:#1E1430}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#EFEAE4}
::-webkit-scrollbar-thumb{background:#C9C1B6;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--brand)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 品牌标识 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);letter-spacing:.2px;white-space:nowrap}
.brand-mark{display:grid;grid-template-columns:1fr 1fr;gap:3px;width:22px;height:22px;flex:0 0 22px}
.brand-mark span{display:block;border-radius:3px;background:var(--brand)}
.brand-mark span:nth-child(2){background:var(--jade)}
.brand-mark span:nth-child(3){background:var(--jade);opacity:.85}
.brand-mark span:nth-child(4){background:var(--brand);opacity:.85}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;min-height:72px}
.nav-group{display:flex;align-items:center;gap:26px}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#4A4358;padding:6px 0;transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:border-color .18s ease}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--text);display:block}
@media(max-width:1023px){
  .nav-wrap{display:flex;justify-content:space-between;align-items:center;min-height:64px}
  .nav-group{display:none}
  .nav-toggle{display:inline-flex}
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;padding:22px 22px 30px;background:linear-gradient(180deg,#1E1430,#2A1B4E);transform:translateX(100%);visibility:hidden;transition:transform .28s ease,visibility .28s ease}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-head .brand{color:#fff;font-size:16px}
.drawer-nav{display:flex;flex-direction:column;margin-top:18px;flex:1;overflow-y:auto}
.drawer-nav a{font-size:17px;font-weight:500;color:#EDE8F7;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.1);transition:color .18s ease,padding-left .18s ease}
.drawer-nav a:hover{color:var(--brand);padding-left:8px}
.drawer-cta{margin-top:20px;width:100%}
@media(min-width:1024px){.mobile-drawer{display:none}}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.26)}
.btn-primary:hover{background:var(--brand-soft);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,54,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;line-height:1;padding:6px 10px;border-radius:var(--radius-badge)}
.badge-brand{background:rgba(255,90,54,.16);color:#FF8B6F;border:1px solid rgba(255,90,54,.36)}
.badge-jade{background:rgba(18,194,180,.14);color:var(--jade-deep);border:1px solid rgba(18,194,180,.3)}
.badge-gold{background:rgba(255,194,75,.2);color:#8F6100;border:1px solid rgba(255,194,75,.42)}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;color:#fff;padding:38px 0 46px;background-image:linear-gradient(155deg,rgba(30,20,48,.95),rgba(42,27,78,.9)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.article-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:22px 22px;opacity:.32;pointer-events:none}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.82);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:rgba(255,255,255,.95);max-width:min(58vw,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.3;letter-spacing:.2px;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.76)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .meta-item::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--jade)}
@media(max-width:639px){.article-hero{padding:28px 0 34px}}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:52px;justify-content:center;align-items:start;padding:52px 0 16px}
@media(max-width:1023px){.article-layout{grid-template-columns:1fr;gap:32px;padding:36px 0 8px}}
.article-body{min-height:360px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:40px 44px;box-shadow:var(--shadow-card)}
@media(max-width:767px){.article-body{padding:24px 20px;border-radius:14px}}

/* 正文排版 */
.article-body p{font-size:17px;line-height:1.9;margin:0 0 1.2em;color:var(--text)}
.article-body h2{font-size:32px;font-weight:700;line-height:1.4;margin:40px 0 16px;color:var(--text);position:relative;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--brand)}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:28px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
@media(max-width:767px){
  .article-body h2{font-size:24px;margin:32px 0 14px}
  .article-body h3{font-size:18px;margin:24px 0 10px}
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-soft)}
.article-body ul{margin:0 0 1.3em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:17px;line-height:1.9}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.article-body ol{list-style:decimal;padding-left:22px;margin:0 0 1.3em}
.article-body ol li{font-size:17px;line-height:1.9;margin-bottom:10px;padding-left:4px}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{margin:26px 0;padding:16px 22px;border-left:3px solid var(--brand);border-radius:0 12px 12px 0;background:#FFF5F1;color:#4A4358}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:#fff}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:#F2EEE8;font-weight:700;color:var(--text);white-space:nowrap}
.article-body tr:last-child td{border-bottom:0}
@media(max-width:767px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0}

/* 标签与返回 */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:34px;padding-top:20px;border-top:1px dashed var(--line)}
.article-tags .tag-label{font-size:13px;color:var(--muted);margin-right:4px}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:13px;color:var(--muted);transition:color .18s ease,border-color .18s ease}
.tag:hover{color:var(--brand);border-color:var(--brand)}
.article-backlink{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
@media(max-width:639px){.article-backlink .btn{width:100%}}

/* 空态 */
.article-empty{min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;padding:44px 20px;border:1px dashed var(--line);border-radius:var(--radius-card);background:linear-gradient(180deg,#FFFFFF,#FBF9F6)}
.article-empty .empty-icon{width:52px;height:52px;border-radius:14px;background:rgba(255,90,54,.12);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:22px;font-weight:800}
.article-empty .empty-title{font-size:20px;font-weight:700;color:var(--text)}
.article-empty p{font-size:15px;line-height:1.85;color:var(--muted);max-width:420px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
@media(max-width:1023px){.article-side{position:static}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card)}
.side-title{position:relative;font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;padding-left:11px}
.side-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;background:var(--brand)}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line);color:var(--muted)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list strong{color:var(--text);font-weight:700;text-align:right}
.side-links li a{position:relative;display:block;font-size:14px;color:var(--text);padding:9px 0 9px 16px;border-bottom:1px dashed var(--line);transition:color .18s ease,padding-left .18s ease}
.side-links li:last-child a{border-bottom:0}
.side-links li a::before{content:"";position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:2px;background:var(--jade);transform:translateY(-50%)}
.side-links li a:hover{color:var(--brand);padding-left:20px}
.side-card-dark{background:linear-gradient(160deg,#1E1430,#2A1B4E);border-color:rgba(255,255,255,.14)}
.side-card-dark .side-title{color:#fff}
.side-card-dark .side-title::before{background:var(--jade)}
.side-card-dark p{font-size:14px;line-height:1.85;color:rgba(237,232,247,.82)}

/* ---------- 区块与卡片 ---------- */
.section{padding:72px 0}
@media(max-width:767px){.section{padding:48px 0}}
.section-head{margin-bottom:28px;max-width:720px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.4}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media(max-width:1023px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.rel-grid{grid-template-columns:1fr}}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-card-hover)}
.post-thumb{aspect-ratio:4/3;overflow:hidden;background:#EDE8F7}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.02)}
.post-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.post-body h3{font-size:17px;font-weight:700;line-height:1.5}
.post-body p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.post-foot .arrow{color:var(--brand);font-weight:700;transition:transform .2s ease}
.post-card:hover .post-foot .arrow{transform:translateX(3px)}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,#1E1430,#2A1B4E);color:rgba(237,232,247,.78);padding:56px 0 24px;margin-top:32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
@media(max-width:1023px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand .brand{color:#fff;font-size:17px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(237,232,247,.72)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul li a{display:inline-block;font-size:14px;padding:5px 0;color:rgba(237,232,247,.78);transition:color .18s ease,transform .18s ease}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(2px)}
.footer-note{font-size:13px;line-height:1.85;color:rgba(237,232,247,.66)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(237,232,247,.6)}

@media(prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-1:#1E1430;
  --ink-2:#2A1B4E;
  --brand:#FF5A36;
  --brand-lite:rgba(255,90,54,.12);
  --brand-deep:#E0431F;
  --jade:#12C2B4;
  --jade-lite:rgba(18,194,180,.12);
  --jade-deep:#0B8B80;
  --gold:#FFC24B;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#2B2437;
  --text-2:#3B3348;
  --muted:#6B6280;
  --locked:#B9B2C7;
  --r-card:16px;
  --r-btn:12px;
  --r-badge:6px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(30,20,48,.06),0 12px 32px rgba(42,27,78,.08);
  --shadow-hover:0 2px 4px rgba(30,20,48,.08),0 18px 40px rgba(42,27,78,.15);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.9;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#EFEBE5;}
::-webkit-scrollbar-thumb{background:#D3CCC3;border-radius:999px;border:2px solid #EFEBE5;}
::-webkit-scrollbar-thumb:hover{background:var(--brand);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,242,.94);-webkit-backdrop-filter:saturate(160%) blur(10px);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:72px;}
.nav-group{display:flex;align-items:center;gap:28px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{position:relative;display:inline-block;font-size:15px;font-weight:500;line-height:1.5;color:var(--text);padding:8px 2px;transition:color .2s ease;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .22s ease;}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;line-height:1.3;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.brand-mark{display:grid;grid-template-columns:repeat(2,1fr);gap:3px;width:22px;height:22px;flex:0 0 auto;}
.brand-mark span{display:block;border-radius:2px;background:var(--brand);}
.brand-mark span:nth-child(2){background:var(--jade);}
.brand-mark span:nth-child(3){background:var(--jade);}
.brand-mark span:nth-child(4){background:var(--gold);}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:var(--r-btn);}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .2s ease;}

/* ---------- 内页小 KV ---------- */
.page-hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:260px;padding:52px 0 48px;background:linear-gradient(160deg,#1E1430 0%,#2A1B4E 100%);color:#fff;}
.page-hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.32;}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;opacity:.6;}
.page-hero-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span{color:rgba(255,255,255,.42);}
.breadcrumb .current{color:rgba(255,255,255,.85);}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--jade);background:rgba(18,194,180,.14);border:1px solid rgba(18,194,180,.35);border-radius:999px;padding:5px 14px;margin-bottom:16px;}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade);}
.page-hero h1{font-size:clamp(26px,3.8vw,40px);font-weight:800;line-height:1.4;letter-spacing:.005em;margin:0 0 14px;color:#fff;}
.page-hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);max-width:760px;}

/* ---------- 文档流布局 ---------- */
.docs-section{padding:48px 0 56px;}
@media (min-width:1024px){.docs-section{padding:80px 0 96px;}}
.docs-layout{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.docs-layout{grid-template-columns:264px minmax(0,1fr);gap:56px;align-items:start;}}
.docs-toc{display:none;}
@media (min-width:1024px){.docs-toc{display:block;position:sticky;top:96px;}}
.toc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 16px;box-shadow:var(--shadow-card);}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);padding:0 10px 12px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;font-size:14px;line-height:1.65;color:var(--text);transition:background .2s ease,color .2s ease;}
.toc-list a:hover{background:var(--brand-lite);color:var(--brand);}
.toc-list a i{font-style:normal;flex:0 0 auto;font-size:12px;font-weight:700;color:var(--jade);font-variant-numeric:tabular-nums;padding-top:2px;}

.toc-mobile{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);margin-bottom:28px;overflow:hidden;}
.toc-mobile summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:16px 18px;font-size:15px;font-weight:700;color:var(--text);}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"";margin-left:auto;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s ease;}
.toc-mobile[open] summary::after{transform:rotate(-135deg) translate(-4px,2px);}
.toc-mobile .toc-list{padding:0 12px 14px;}
@media (min-width:1024px){.toc-mobile{display:none;}}

.docs-body{min-width:0;max-width:840px;}
.doc-block{margin-bottom:52px;scroll-margin-top:96px;}
.doc-block:last-of-type{margin-bottom:40px;}
.doc-block h2{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.5;margin:0 0 16px;}
.doc-block h2::before{content:"";position:absolute;left:0;top:.34em;bottom:.34em;width:4px;border-radius:999px;background:var(--brand);}
.doc-block h3{font-size:20px;font-weight:700;line-height:1.6;margin:28px 0 12px;color:var(--text);}
.doc-block p{font-size:17px;line-height:1.95;color:var(--text-2);margin:0 0 1.1em;}
.doc-block p:last-child{margin-bottom:0;}

.doc-figure{margin:26px 0;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:#EFEBE5;}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.doc-figure figcaption{font-size:13px;line-height:1.7;color:var(--muted);background:var(--card);padding:10px 16px;border-top:1px solid var(--line);}

.doc-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:16px;line-height:1.9;color:var(--text-2);}
.doc-list li::before{content:"";position:absolute;left:3px;top:.66em;width:8px;height:8px;border-radius:3px;background:var(--jade);}
.doc-list li strong{color:var(--text);font-weight:700;}

.doc-steps{counter-reset:step;margin:22px 0;}
.doc-steps li{counter-increment:step;position:relative;padding-left:46px;margin-bottom:18px;font-size:16px;line-height:1.9;color:var(--text-2);}
.doc-steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:1px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:var(--brand-lite);color:var(--brand);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;}
.doc-steps li strong{display:block;color:var(--text);font-weight:700;font-size:16px;}

.doc-note{margin:24px 0;padding:16px 20px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:12px;font-size:15px;line-height:1.9;color:var(--muted);}
.doc-note b{color:var(--text);}

.state-row{display:grid;grid-template-columns:1fr;gap:14px;margin:24px 0;}
@media (min-width:768px){.state-row{grid-template-columns:repeat(3,1fr);gap:18px;}}
.state-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;}
.state-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.state-card .dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:middle;}
.dot-done{background:var(--brand);}
.dot-ing{background:transparent;border:2px solid var(--brand);}
.dot-lock{background:var(--locked);}
.state-card h4{font-size:15px;font-weight:700;margin:0 0 6px;color:var(--text);}
.state-card p{font-size:13px;line-height:1.8;color:var(--muted);margin:0;}

/* FAQ */
.faq-list{margin-top:8px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);padding:6px 20px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px;padding:18px 0;font-size:16px;font-weight:700;line-height:1.7;color:var(--text);transition:color .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-num{flex:0 0 auto;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-badge);background:var(--brand-lite);color:var(--brand);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:3px;}
.faq-item summary::after{content:"";flex:0 0 auto;width:9px;height:9px;margin:10px 0 0 auto;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s ease;}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-answer{padding:0 0 20px 38px;font-size:15px;line-height:1.9;color:var(--muted);background:transparent;}

/* ---------- 下一步 ---------- */
.next-step{background:#fff;border-top:1px solid var(--line);padding:56px 0;}
@media (min-width:1024px){.next-step{padding:88px 0;}}
.next-head{max-width:720px;margin-bottom:32px;}
.next-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.5;margin:0 0 10px;}
.next-head p{font-size:16px;line-height:1.9;color:var(--muted);margin:0;}
.next-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.next-grid{grid-template-columns:1fr 1fr;gap:24px;}}
.next-card{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.next-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-card);}
.next-card:active{transform:translateY(0);}
.next-tag{display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-badge);background:var(--jade-lite);color:var(--jade-deep);margin-bottom:14px;}
.next-card h3{font-size:19px;font-weight:700;line-height:1.6;margin:0 0 10px;color:var(--text);}
.next-card p{font-size:15px;line-height:1.9;color:var(--muted);margin:0 0 18px;}
.next-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand);}
.next-card:hover .next-arrow{gap:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(160deg,#1E1430 0%,#2A1B4E 100%);color:rgba(255,255,255,.78);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:44px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:32px;}}
.footer-brand .brand{color:#fff;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark span{background:var(--brand);}
.footer-brand .brand-mark span:nth-child(2),
.footer-brand .brand-mark span:nth-child(3){background:var(--jade);}
.footer-brand .brand-mark span:nth-child(4){background:var(--gold);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:330px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{display:inline-block;font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--brand);transform:translateX(-2px);}
.footer-note{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.55);}

/* ---------- 移动端导航 ---------- */
@media (max-width:1023px){
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:12px;}
  .nav-group{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand{font-size:16px;}
  .brand-mark{width:20px;height:20px;}

  .site-header.is-open .nav-wrap{position:fixed;inset:0;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:76px 20px 120px;background:var(--paper);overflow-y:auto;}
  .site-header.is-open .nav-group{display:flex;flex-direction:column;align-items:stretch;gap:0;}
  .site-header.is-open .nav-group.right{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
  .site-header.is-open .nav-link{font-size:17px;font-weight:600;padding:15px 4px;border-bottom:1px solid var(--line);}
  .site-header.is-open .nav-link::after{display:none;}
  .site-header.is-open .brand{position:absolute;top:8px;left:20px;z-index:3;}
  .site-header.is-open .nav-toggle{position:absolute;top:8px;right:20px;z-index:3;}
  .site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .site-header.is-open .nav-toggle span:nth-child(2){opacity:0;}
  .site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .site-header.is-open #navToggle{display:none !important;}
}

@media (max-width:520px){
  .page-hero{padding:40px 0 36px;min-height:220px;}
  .page-hero-sub{font-size:15px;}
  .doc-block p{font-size:16px;}
  .faq-list{padding:4px 16px;}
  .faq-answer{padding-left:0;}
  .next-card{padding:22px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#1E1430;
  --ink-800:#2A1B4E;
  --ink-700:#3A2768;
  --brand:#FF5A36;
  --brand-hover:#FF6C4B;
  --brand-deep:#C33A18;
  --brand-soft:rgba(255,90,54,.10);
  --jade:#12C2B4;
  --jade-soft:rgba(18,194,180,.12);
  --gold:#FFC24B;
  --gold-soft:rgba(255,194,75,.22);
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#2B2437;
  --muted:#6B6280;
  --locked:#B9B2C7;
  --danger:#E5484D;
  --r-card:16px;
  --r-btn:12px;
  --r-badge:6px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(30,20,48,.06),0 12px 32px rgba(42,27,78,.08);
  --shadow-hover:0 2px 6px rgba(30,20,48,.08),0 18px 40px rgba(42,27,78,.15);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container:1200px;
}

*,*::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:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
strong{font-weight:700;}
::selection{background:var(--brand);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#CFC8D9;border-radius:99px;}
::-webkit-scrollbar-thumb:hover{background:#B9B2C7;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,245,242,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:76px;
}
.nav-group{display:flex;align-items:center;gap:28px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;
  transition:color .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;
  font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text);
  white-space:nowrap;
}
.brand-mark{
  display:grid;grid-template-columns:repeat(2,1fr);gap:3px;
  width:22px;height:22px;flex:0 0 22px;
}
.brand-mark span{display:block;border-radius:2px;background:var(--brand);}
.brand-mark span:nth-child(2){background:var(--jade);}
.brand-mark span:nth-child(3){background:var(--ink-800);}
.brand-mark span:nth-child(4){background:var(--gold);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:background .2s ease;}
.nav-toggle:hover{border-color:var(--brand);}
.drawer-cta{display:none;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#1E1430 0%,#2A1B4E 100%);
  color:#fff;display:flex;align-items:center;
  min-height:280px;padding:56px 0;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,20,48,.72),rgba(30,20,48,.94));
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(90% 90% at 50% 0%,#000,transparent 78%);
  mask-image:radial-gradient(90% 90% at 50% 0%,#000,transparent 78%);
}
.hero-inner{position:relative;z-index:3;width:100%;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.38);}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:99px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);
  font-size:13px;font-weight:600;color:#FFD9CE;
  margin-bottom:16px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  font-weight:800;line-height:1.32;letter-spacing:.01em;
  max-width:900px;
}
.hero-sub{
  margin-top:14px;max-width:720px;
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.78);
}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section--white{background:#FFFFFF;}
.section--paper{background:var(--paper);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-deep);
  letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;line-height:1.4;
}
.section-head p{margin-top:12px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ---------- Overview stats ---------- */
.overview{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 24px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-2px);border-color:#D9D2E6;box-shadow:var(--shadow-hover);}
.stat::before{
  content:"";position:absolute;left:24px;top:0;width:34px;height:3px;
  border-radius:0 0 3px 3px;background:var(--jade);
}
.stat-label{font-size:13px;color:var(--muted);}
.stat-value{
  font-size:28px;font-weight:700;line-height:1.4;
  font-variant-numeric:tabular-nums;margin-top:4px;
}
.stat-note{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ---------- Reward cards ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.reward-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reward-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.reward-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EDE9F2;}
.reward-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.reward-card:hover .reward-media img{transform:scale(1.02);}
.rarity{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:#E9E5EF;color:#4A4159;
}
.rarity.fine{background:var(--jade-soft);color:#0B7C72;border:1px solid rgba(18,194,180,.4);}
.rarity.rare{background:var(--gold-soft);color:#8A5B00;border:1px solid rgba(255,194,75,.6);}
.rarity.epic{background:var(--gold);color:#4A3200;}
.rarity.legend{background:linear-gradient(120deg,#FFC24B,#FF8A2B);color:#3A2400;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:700;line-height:1.5;}
.card-desc{font-size:14px;line-height:1.75;color:var(--muted);}
.cond-tag{
  align-self:flex-start;margin-top:auto;
  padding:5px 10px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-deep);
}

/* ---------- Timeline nodes ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.node{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 22px 24px;
  box-shadow:var(--shadow-card);
}
.node-index{
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--jade);letter-spacing:.08em;
}
.node h3{font-size:16px;font-weight:700;margin-top:8px;line-height:1.5;}
.node p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px;}
.node::after{
  content:"";position:absolute;right:-11px;top:38px;width:12px;height:2px;
  background:var(--line);
}
.node:last-child::after{display:none;}

/* ---------- Rule table ---------- */
.table-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow-x:auto;
}
table.rule-table{width:100%;border-collapse:collapse;min-width:780px;}
.rule-table th{
  text-align:left;white-space:nowrap;
  background:#F1EDE8;color:#4A4159;
  font-size:13.5px;font-weight:700;
  padding:16px 18px;
}
.rule-table td{
  padding:16px 18px;
  border-top:1px solid var(--line);
  font-size:14.5px;line-height:1.8;color:var(--text);
  vertical-align:top;
}
.rule-table td:first-child{font-weight:700;}
.rule-table tbody tr{transition:background .2s ease;}
.rule-table tbody tr:hover{background:#FCFAF8;}
.tag-inline{
  display:inline-block;
  padding:3px 9px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;
  background:var(--jade-soft);color:#0B7C72;
}
.tag-inline.once{background:#EFEBF6;color:#574A73;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:#D9D2E6;}
.faq-item summary{
  display:flex;align-items:flex-start;gap:12px;
  padding:18px 22px;
  font-size:16px;font-weight:700;line-height:1.7;
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  flex:0 0 24px;height:24px;margin-top:3px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-badge);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.faq-arrow{margin-left:auto;color:var(--muted);font-size:12px;line-height:24px;transition:transform .2s ease;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-answer{
  padding:2px 22px 22px 58px;
  font-size:15px;line-height:1.9;color:var(--muted);
  background:#FAF8F6;
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#1E1430,#2A1B4E);
  border:1px solid rgba(255,255,255,.14);
  border-radius:24px;
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 130% at 92% 12%,rgba(255,90,54,.34),transparent 66%);
}
.cta-copy{position:relative;z-index:2;max-width:640px;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.45;}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.76);}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,90,54,.30);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,90,54,.24);}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.10);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{border-color:var(--line);background:#fff;color:var(--text);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:0 8px 20px rgba(42,27,78,.10);}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#1E1430,#221739);
  color:#CFC7DD;
  padding-top:72px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{
  justify-self:start;color:#fff;font-size:17px;margin-bottom:16px;
}
.footer-brand p{font-size:14px;line-height:1.9;color:#A99FC0;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;
  font-size:14px;color:#B9B0CC;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-note{font-size:13px;line-height:1.9;color:#A99FC0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;
  gap:12px;
  font-size:13px;color:#9A90B0;
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .reward-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .nav-group{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{grid-template-columns:1fr auto;}
  .brand{justify-self:start;font-size:16px;grid-column:1;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .overview{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .node::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}

  body.nav-open{overflow:hidden;}
  body.nav-open .site-header{
    position:fixed;inset:0;z-index:200;
    background:var(--ink-900);
    border-bottom:0;
    backdrop-filter:none;-webkit-backdrop-filter:none;
    display:flex;flex-direction:column;
  }
  body.nav-open .nav-wrap{
    flex:1;min-height:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:26px 20px 16px;overflow-y:auto;
  }
  body.nav-open .brand{order:-1;color:#fff;align-self:flex-start;margin-bottom:22px;font-size:18px;}
  body.nav-open .nav-group{display:flex;flex-direction:column;align-items:stretch;gap:0;}
  body.nav-open .nav-group.right{justify-content:flex-start;}
  body.nav-open .nav-link{
    color:#fff;font-size:17px;font-weight:500;
    padding:16px 2px;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  body.nav-open .nav-link::after{display:none;}
  body.nav-open .nav-link.active{color:var(--brand);font-weight:700;}
  body.nav-open .nav-toggle{
    position:absolute;top:22px;right:20px;
    border-color:rgba(255,255,255,.32);
  }
  body.nav-open .nav-toggle span{background:#fff;}
  body.nav-open .drawer-cta{
    display:flex;width:calc(100% - 40px);
    margin:0 20px 28px;
  }
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .overview{grid-template-columns:1fr;gap:16px;}
  .reward-grid{grid-template-columns:1fr;gap:16px;}
  .timeline{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .page-hero{min-height:0;padding:44px 0 48px;}
  .hero-sub{font-size:15px;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:16px 18px;font-size:15.5px;}
  .faq-answer{padding:16px 18px 20px 18px;}

  .table-wrap{border:0;box-shadow:none;background:transparent;overflow:visible;}
  table.rule-table{display:block;min-width:0;}
  .rule-table thead{display:none;}
  .rule-table tbody,.rule-table tr,.rule-table td{display:block;width:100%;}
  .rule-table tr{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-card);
    margin-bottom:16px;
    padding:8px 4px 12px;
  }
  .rule-table tbody tr:hover{background:var(--card);}
  .rule-table td{
    border-top:0;
    padding:8px 16px;
    display:grid;
    grid-template-columns:88px 1fr;
    gap:12px;
    align-items:start;
  }
  .rule-table td:first-child{font-weight:700;font-size:15.5px;}
  .rule-table td::before{
    content:attr(data-label);
    font-size:13px;font-weight:700;color:var(--muted);
    line-height:1.9;
  }
}
@media (max-width:479px){
  .brand{font-size:15px;}
  .stat-value{font-size:24px;}
  .card-body{padding:16px 16px 18px;}
  .btn{padding:12px 18px;font-size:14.5px;}
}