/* roulang page: index */
:root{
  --bg:#F7F3EC;--surface:#FFFFFF;--surface-2:#EFE9DE;
  --ink-900:#0B1F1B;--ink-800:#0E2A25;--ink-700:#17433A;
  --text:#14201C;--muted:#55655F;--muted-2:#7C8A84;--line:#E3DCCF;
  --accent:#FF6A3D;--accent-soft:#FFE3D7;--mint:#5BD6C0;--mint-soft:#DFF7F2;
  --gold:#F2C15C;--gold-soft:#FBF0D6;--success:#1F8A5B;--warning:#C97A12;--danger:#C0432F;
  --radius-sm:10px;--radius-md:16px;--radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(11,31,27,.06);
  --shadow-md:0 10px 28px rgba(11,31,27,.10);
  --container:1240px;--sidebar-w:236px;--header-h:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;line-break:strict;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--accent-soft);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ============ 侧边栏 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-900);color:#fff;z-index:60;
  display:flex;flex-direction:column;padding:0 14px 18px;
  overflow-y:auto;overscroll-behavior:contain;
}
.brand{height:72px;display:flex;align-items:center;flex:0 0 auto}
.brand-link{display:flex;align-items:center;gap:10px;padding:6px 6px;border-radius:12px;transition:background .2s ease}
.brand-link:hover{background:rgba(255,255,255,.06)}
.brand-mark{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  background:linear-gradient(140deg,var(--accent),var(--gold));
  transform:rotate(-8deg);box-shadow:0 6px 14px rgba(255,106,61,.28);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;
  background:rgba(11,31,27,.78);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.01em;color:#fff}
.brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-top:3px}

.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:10px;flex:1 1 auto}
.nav-label{font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.38);padding:8px 16px 6px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border-radius:10px;
  font-size:14px;line-height:1;color:rgba(255,255,255,.72);
  position:relative;transition:background .2s ease,color .2s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:rgba(255,106,61,.14);color:#fff;font-weight:700}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--accent);
}
.nav-item .dot{
  width:7px;height:7px;border-radius:999px;background:rgba(255,255,255,.28);flex:0 0 auto;
  transition:background .2s ease;
}
.nav-item:hover .dot,.nav-item.is-active .dot{background:var(--accent)}

.side-foot{flex:0 0 auto;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.side-note{font-size:11px;line-height:1.7;color:rgba(255,255,255,.42);margin-top:12px}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:70;
  background:var(--ink-900);color:#fff;align-items:center;justify-content:space-between;
  padding:0 14px;box-shadow:0 2px 12px rgba(11,31,27,.2);
}
.topbar .brand-main{font-size:15px}
.topbar .brand-sub{font-size:10px}
.burger{
  width:40px;height:40px;border:1px solid rgba(255,255,255,.2);border-radius:10px;
  background:rgba(255,255,255,.05);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;transition:background .2s ease;
}
.burger:hover{background:rgba(255,255,255,.12)}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:#fff}
.overlay{
  position:fixed;inset:0;background:rgba(11,31,27,.56);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.overlay.is-open{opacity:1;visibility:visible}
.drawer-close{
  position:absolute;top:14px;right:12px;width:32px;height:32px;border-radius:8px;
  border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;
  font-size:18px;line-height:1;cursor:pointer;display:none;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}

/* ============ 主内容 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.wrap{max-width:var(--container);margin:0 auto;padding:0 40px}
.section{padding:80px 0 0}
.section:last-of-type{padding-bottom:80px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:24px;
}
.section-head h2{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.01em}
.section-head .head-note{font-size:14px;color:var(--muted);line-height:1.7;max-width:520px}
.text-link{
  font-size:14px;font-weight:700;color:var(--ink-800);white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;transition:color .2s ease;
}
.text-link .arw{transition:transform .2s ease}
.text-link:hover{color:var(--accent)}
.text-link:hover .arw{transform:translateX(3px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--accent);color:#1A0F0A;box-shadow:0 6px 16px rgba(255,106,61,.22)}
.btn-primary:hover{background:#FF7E56;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,61,.2)}
.btn-outline{background:transparent;border-color:var(--ink-700);color:var(--ink-800)}
.btn-outline:hover{background:rgba(23,67,58,.08)}
.btn-outline:active{background:rgba(23,67,58,.14)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center;background:var(--ink-900)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;transform:scale(1.02)}
.hero-bg::before{
  content:"";position:absolute;right:-10%;bottom:-30%;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.42) 0%,rgba(255,106,61,0) 68%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,27,.96) 0%,rgba(11,31,27,.88) 42%,rgba(11,31,27,.42) 100%);
}
.hero-inner{
  position:relative;z-index:2;width:100%;max-width:var(--container);margin:0 auto;
  padding:72px 40px 96px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,106,61,.16);border:1px solid rgba(255,106,61,.42);
  color:#FFD8C9;font-size:12px;font-weight:700;letter-spacing:.06em;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent)}
.hero h1{
  margin-top:20px;color:#fff;font-size:clamp(1.9rem,3.2vw,3rem);line-height:1.18;
  font-weight:800;letter-spacing:-.015em;max-width:15em;
}
.hero-sub{margin-top:18px;max-width:32em;font-size:18px;line-height:1.75;color:rgba(255,255,255,.78)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--radius-lg);object-fit:cover;aspect-ratio:4/3;
  box-shadow:0 24px 60px rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.12);
}
.hero-visual::after{
  content:"";position:absolute;left:-12px;bottom:-12px;width:120px;height:120px;
  border-left:3px solid var(--accent);border-bottom:3px solid var(--accent);
  border-radius:0 0 0 var(--radius-lg);pointer-events:none;
}

/* ============ 指标条 ============ */
.stat-strip{
  position:relative;z-index:3;margin-top:-46px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;
}
.stat{padding:22px 26px;display:flex;flex-direction:column;gap:4px}
.stat + .stat{border-left:1px solid var(--line)}
.stat-label{font-size:13px;color:var(--muted);letter-spacing:.02em}
.stat-num{font-size:26px;font-weight:800;color:var(--ink-800);line-height:1.2}
.stat-hint{font-size:12px;color:var(--muted-2)}

/* ============ 卡片通用 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:24px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{border-color:var(--accent-soft);box-shadow:var(--shadow-md);transform:translateY(-2px)}

/* ============ 玩法介绍 ============ */
.gameplay-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.card-lg{padding:28px;display:flex;flex-direction:column;justify-content:center;min-height:220px}
.icon-box{
  width:44px;height:44px;border-radius:14px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
  font-size:18px;font-weight:800;margin-bottom:16px;
}
.card-lg h3{font-size:20px;line-height:1.45;font-weight:800;color:var(--ink-900)}
.card-lg p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.75;max-width:34em}
.card-lg .text-link{margin-top:18px}
.gameplay-side{display:grid;grid-template-rows:1fr 1fr;gap:16px}
.card-sm{display:flex;align-items:flex-start;gap:16px;padding:20px;min-height:104px}
.card-sm .icon-box{width:38px;height:38px;border-radius:11px;font-size:15px;margin-bottom:0;flex:0 0 auto}
.card-sm h3{font-size:16px;font-weight:800;line-height:1.5;color:var(--ink-900)}
.card-sm p{margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 奖励预览 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.reward-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:0 0 24px;overflow:hidden;
  display:flex;flex-direction:column;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.reward-card:hover{border-color:var(--accent-soft);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.reward-card .top-line{height:4px;width:100%}
.reward-card:nth-child(1) .top-line{background:var(--accent)}
.reward-card:nth-child(2) .top-line{background:var(--gold)}
.reward-card:nth-child(3) .top-line{background:var(--mint)}
.reward-card:nth-child(2){margin-top:-16px}
.reward-body{padding:24px 24px 0;display:flex;flex-direction:column;flex:1 1 auto}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1;width:fit-content;
}
.badge-mint{background:var(--mint-soft);color:var(--ink-700)}
.badge-gold{background:var(--gold-soft);color:#7A5410}
.badge-accent{background:var(--accent-soft);color:#B23C18}
.badge-muted{background:var(--surface-2);color:var(--muted)}
.badge-done{background:rgba(91,214,192,.22);color:var(--success)}
.reward-body h3{margin-top:14px;font-size:20px;font-weight:800;color:var(--ink-900);line-height:1.4}
.reward-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.progress{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin-top:18px}
.progress-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--gold))}
.progress-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted-2);margin-top:8px}
.reward-body .text-link{margin-top:16px}

/* ============ 任务面板 ============ */
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:28px;
}
.panel-top{display:flex;flex-direction:column;gap:10px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.panel-top-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.panel-top-row strong{font-size:15px;font-weight:800;color:var(--ink-900)}
.panel-top-row .pct{font-size:22px;font-weight:800;color:var(--ink-800)}
.panel-tip{font-size:13px;color:var(--muted)}
.task-list{display:flex;flex-direction:column}
.task{
  display:flex;align-items:center;gap:16px;padding:18px 0;
  border-bottom:1px solid var(--line);
}
.task:last-child{border-bottom:none;padding-bottom:0}
.task-dot{
  width:22px;height:22px;flex:0 0 auto;border-radius:999px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:transparent;
  background:var(--surface-2);
}
.task-dot.is-done{background:rgba(91,214,192,.28);border-color:var(--mint);color:var(--success)}
.task-dot.is-doing{background:var(--accent-soft);border-color:var(--accent);color:#B23C18}
.task-main{flex:1 1 auto;min-width:0}
.task-name{font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5}
.task-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-top:2px}

/* ============ 最新信息 ============ */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:grid;grid-template-columns:40% 60%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{border-color:var(--accent-soft);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.news-cover{position:relative;background:var(--surface-2);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .3s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.news-title{font-size:17px;font-weight:800;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:first-child .news-title{font-size:19px}
.news-title a:hover{color:var(--accent)}
.news-summary{font-size:14px;color:var(--muted);line-height:1.75;
  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;
  font-size:12px;color:var(--muted-2)}
.news-meta .arw{color:var(--ink-700);font-weight:700;transition:transform .2s ease,color .2s ease}
.news-card:hover .news-meta .arw{color:var(--accent);transform:translateX(3px)}

/* ============ 空态 ============ */
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:56px 24px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-md);text-align:center;
}
.empty-icon{
  width:48px;height:48px;border-radius:999px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;
}
.empty-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.empty-desc{font-size:14px;color:var(--muted);max-width:30em}
.empty-state .btn{margin-top:8px;height:42px;font-size:14px;padding:0 20px}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);border-radius:var(--radius-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.34) 0%,rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:800;color:#fff;position:relative;z-index:1}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:36em;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto}

/* ============ FAQ ============ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:16px;font-weight:700;color:var(--ink-900);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-2)}
.faq-item summary .plus{
  width:24px;height:24px;flex:0 0 auto;border-radius:999px;background:var(--accent-soft);
  color:#B23C18;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .22s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.75;color:var(--muted);max-width:52em}

/* ============ 页脚 ============ */
.site-foot{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:80px}
.foot-inner{max-width:var(--container);margin:0 auto;padding:60px 40px 0;
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .brand-main{font-size:17px}
.foot-brand .brand-sub{font-size:11px}
.foot-desc{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.58);max-width:24em}
.foot-title{font-size:13px;font-weight:800;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{font-size:14px;line-height:32px;color:rgba(255,255,255,.72);transition:color .2s ease}
.foot-links a:hover{color:var(--accent)}
.foot-info{font-size:13px;line-height:2;color:rgba(255,255,255,.58)}
.foot-bottom{
  max-width:var(--container);margin:40px auto 0;padding:18px 40px 28px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:220px}
  .wrap{padding:0 24px}
  .hero-inner{padding:64px 24px 88px;gap:40px}
  .foot-inner,.foot-bottom{padding-left:24px;padding-right:24px}
}
@media (max-width:1024px){
  .sidebar{
    width:280px;transform:translateX(-100%);
    transition:transform .24s ease;padding-top:8px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:block}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:var(--header-h)}
  .hero-inner{grid-template-columns:1fr;padding:48px 24px 72px;gap:32px}
  .hero{min-height:0}
  .hero-visual{max-width:520px}
  .gameplay-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .reward-grid{gap:18px}
  .foot-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--header-h:52px}
  body{font-size:15px}
  .wrap{padding:0 16px}
  .section{padding:48px 0 0}
  .section:last-of-type{padding-bottom:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:18px}
  .section-head h2{font-size:24px}
  .hero h1{font-size:30px;line-height:1.25}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto;min-width:140px}
  .hero-visual::after{display:none}
  .stat-strip{grid-template-columns:1fr;margin-top:-32px}
  .stat + .stat{border-left:none;border-top:1px solid var(--line)}
  .stat{padding:16px 20px;flex-direction:row;align-items:baseline;justify-content:space-between;gap:12px}
  .reward-grid{
    display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:8px;margin:0 -16px;padding-left:16px;padding-right:16px;
    -webkit-overflow-scrolling:touch;
  }
  .reward-card{flex:0 0 78%;scroll-snap-align:start}
  .reward-card:nth-child(2){margin-top:0}
  .news-card{grid-template-columns:1fr}
  .news-card:first-child .news-title{font-size:17px}
  .news-cover img{aspect-ratio:16/9}
  .panel{padding:20px}
  .task{flex-wrap:wrap;align-items:flex-start;gap:12px}
  .task .badge{margin-left:38px}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start;gap:22px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px;font-size:14px}
  .foot-inner{grid-template-columns:1fr 1fr;padding:40px 16px 0;gap:28px}
  .foot-bottom{padding:16px 16px 24px;flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  .hero-tag{font-size:11px;height:26px}
  .hero h1{font-size:26px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .btn{font-size:14px;height:46px;padding:0 18px}
  .badge{font-size:11px}
  .reward-card{flex:0 0 84%}
  .foot-inner{grid-template-columns:1fr}
  .hero-bg::before{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .card:hover,.news-card:hover,.reward-card:hover,.btn-primary:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFE9DE;
  --ink-900:#0B1F1B;
  --ink-800:#0E2A25;
  --ink-700:#17433A;
  --text:#14201C;
  --muted:#55655F;
  --muted-2:#7C8A84;
  --line:#E3DCCF;
  --accent:#FF6A3D;
  --accent-soft:#FFE3D7;
  --mint:#5BD6C0;
  --mint-soft:#DFF7F2;
  --gold:#F2C15C;
  --gold-soft:#FBF0D6;
  --success:#1F8A5B;
  --warning:#C97A12;
  --danger:#C0432F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(11,31,27,.06);
  --shadow-md:0 10px 28px rgba(11,31,27,.10);
  --container:1240px;
  --sidebar-w:236px;
  --header-h:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  line-break:strict;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;word-break:normal}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--accent-soft);color:var(--ink-900)}

/* ---------- 品牌 ---------- */
.brand-link{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--accent),var(--gold));
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:4px;background:var(--ink-900);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-main{font-size:16px;font-weight:800;color:#fff;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.6);white-space:nowrap}

/* ---------- 移动顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;z-index:80;
  box-shadow:0 2px 12px rgba(11,31,27,.18);
}
.burger{
  width:40px;height:40px;border-radius:10px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;flex:0 0 auto;
  transition:background .18s ease;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s ease}
.burger:hover{background:rgba(255,255,255,.08)}
.burger:active{background:rgba(255,255,255,.14)}

/* ---------- 侧栏 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:86vw;
  background:var(--ink-900);
  display:flex;flex-direction:column;
  z-index:90;
  transform:translateX(-100%);
  transition:transform .22s ease;
  overflow-y:auto;
  box-shadow:8px 0 32px rgba(11,31,27,.22);
}
body.drawer-open .sidebar{transform:translateX(0)}
.side-brand{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:18px 16px;min-height:72px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.side-close{
  width:32px;height:32px;border-radius:8px;color:rgba(255,255,255,.7);
  display:grid;place-items:center;font-size:20px;line-height:1;
  transition:background .18s ease,color .18s ease;
}
.side-close:hover{background:rgba(255,255,255,.1);color:#fff}
.side-nav{display:flex;flex-direction:column;gap:4px;padding:14px 12px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border-radius:10px;
  color:rgba(255,255,255,.76);font-size:14px;line-height:1;
  position:relative;
  transition:background .18s ease,color .18s ease;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item:active{background:rgba(255,255,255,.12)}
.nav-item.is-active{background:rgba(255,106,61,.14);color:#fff;font-weight:700}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--accent);
}
.nav-ico{
  width:20px;height:20px;flex:0 0 auto;display:grid;place-items:center;color:var(--mint);
}
.nav-ico::before{
  content:"";display:block;width:8px;height:8px;border-radius:3px;
  background:currentColor;opacity:.8;transform:rotate(45deg);
}
.nav-item.is-active .nav-ico{color:var(--accent)}
.side-foot{
  margin-top:auto;padding:16px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:12px;
}
.btn-side{
  display:flex;align-items:center;justify-content:center;
  height:44px;border-radius:12px;
  background:var(--accent);color:#1A0F0A;font-size:15px;font-weight:800;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-side:hover{background:#FF7E56;transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,106,61,.25)}
.btn-side:active{transform:translateY(0);box-shadow:none}
.side-note{font-size:11px;line-height:1.7;color:rgba(255,255,255,.42)}
.scrim{
  position:fixed;inset:0;background:rgba(11,31,27,.56);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
  z-index:85;
}
body.drawer-open .scrim{opacity:1;visibility:visible}

/* ---------- 主区 ---------- */
.main{
  padding:calc(var(--header-h) + 20px) 16px 0;
  min-height:60vh;
}
.page-wrap{max-width:var(--container);margin:0 auto}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  font-size:13px;color:var(--muted);
  overflow-x:auto;white-space:nowrap;padding-bottom:2px;
  scrollbar-width:none;
}
.crumbs::-webkit-scrollbar{display:none}
.crumbs a{transition:color .18s ease}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:var(--muted-2);flex:0 0 auto}
.crumbs .current{color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis;max-width:60%}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);
  gap:32px;margin-top:22px;
}
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  padding:24px;
}

/* ---------- 文章头部 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-cat{background:var(--mint-soft);color:var(--ink-700)}
.badge-gold{background:var(--gold-soft);color:#8A5B08}
.badge-accent{background:var(--accent-soft);color:#B23F16}
.badge-soft{background:var(--surface-2);color:var(--muted)}
.art-head{padding-top:18px}
.art-head h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.22;margin-top:14px;
  color:var(--ink-900);letter-spacing:-.015em;
}
.brand-sign{
  margin-top:12px;font-size:12px;letter-spacing:.06em;color:var(--muted-2);
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:18px;padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted-2);display:inline-block;margin-right:18px}
.art-meta span+span::before{content:"";display:none}
.art-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.art-cover{
  margin-top:24px;border-radius:14px;overflow:hidden;
  aspect-ratio:21/9;background:var(--surface-2);
  border:1px solid var(--line);
}
.art-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文 ---------- */
.article-body{
  max-width:780px;margin-top:30px;
  font-size:17px;line-height:1.9;color:var(--text);
  font-variant-numeric:tabular-nums;
}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:28px;line-height:1.35;margin:48px 0 18px;color:var(--ink-900);
  scroll-margin-top:80px;
}
.article-body h3{font-size:22px;line-height:1.45;margin:34px 0 14px;color:var(--ink-800);scroll-margin-top:80px}
.article-body h4{font-size:16px;line-height:1.5;margin:24px 0 10px;color:var(--ink-800)}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.1em}
.article-body li{margin-bottom:8px;line-height:1.8}
.article-body li::marker{color:var(--accent)}
.article-body blockquote{
  margin:26px 0;padding:14px 20px;
  border-left:3px solid var(--accent);background:var(--accent-soft);
  border-radius:0 12px 12px 0;color:var(--ink-800);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px 0;width:100%}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted-2);text-align:center;margin-top:8px}
.article-body a{color:#C9431A;text-decoration:underline;text-underline-offset:3px;transition:color .18s ease}
.article-body a:hover{color:#9E3110}
.article-body strong{color:var(--ink-900)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;line-height:1.7;
  background:var(--surface);border-radius:12px;
  border:1px solid var(--line);margin:22px 0;
}
.article-body thead{background:var(--surface-2)}
.article-body th,.article-body td{
  padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body th{font-weight:700;color:var(--ink-800)}
.article-body code{
  background:var(--surface-2);padding:1px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre{
  background:var(--ink-900);color:#E8F3EF;padding:16px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:inherit}

/* ---------- 文末 ---------- */
.art-foot{
  max-width:780px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--surface-2);color:var(--muted);transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--accent-soft);color:#B23F16}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:700;line-height:1;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#1A0F0A;box-shadow:0 6px 16px rgba(255,106,61,.18)}
.btn-primary:hover{background:#FF7E56;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.25)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,106,61,.18)}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{
  background:transparent;border:1.5px solid var(--ink-700);color:var(--ink-800);
}
.btn-ghost:hover{background:rgba(23,67,58,.07);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);background:rgba(23,67,58,.12)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:780px;margin-top:30px;padding:40px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.empty-ico{
  width:48px;height:48px;border-radius:50%;background:var(--accent-soft);
  display:grid;place-items:center;margin:0 auto 14px;color:#B23F16;font-weight:800;
}
.empty-state h2{font-size:18px;color:var(--ink-900);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:48px;background:var(--ink-900);border-radius:var(--radius-lg);
  padding:32px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.38),rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.cta-band h2{font-size:26px;color:#fff;position:relative;z-index:1;line-height:1.35}
.cta-band p{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1}

/* ---------- 相关推荐 ---------- */
.related{display:none;margin-top:48px}
.related.is-ready{display:block}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.sec-head h2{font-size:26px;color:var(--ink-900)}
.sec-head .link{font-size:14px;font-weight:700;color:var(--ink-800);display:inline-flex;align-items:center;gap:6px}
.sec-head .link:hover{color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:14px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-soft)}
.related-thumb{
  width:80px;height:56px;flex:0 0 auto;border-radius:10px;overflow:hidden;
  background:var(--surface-2);
}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body{min-width:0}
.related-body .t{
  font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-body .m{font-size:12px;color:var(--muted-2);margin-top:6px}

/* ---------- 侧栏 ---------- */
.side-col{display:none}
.side-stick{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:15px;color:var(--ink-900);margin-bottom:14px;font-weight:800}
.toc-box{display:none}
.toc-box.is-ready{display:block}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-list a{
  font-size:13px;line-height:1.6;color:var(--muted);
  padding:7px 10px 7px 12px;border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
  display:block;
}
.toc-list a:hover{background:var(--surface-2);color:var(--ink-800)}
.toc-list a.is-active{
  color:var(--ink-900);font-weight:700;border-left-color:var(--accent);background:var(--accent-soft);
}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--ink-800);padding:9px 10px;border-radius:10px;
  transition:background .18s ease,color .18s ease;
}
.side-links a:hover{background:var(--surface-2);color:var(--accent)}
.side-links a .go{color:var(--muted-2);transition:transform .18s ease,color .18s ease}
.side-links a:hover .go{transform:translateX(2px);color:var(--accent)}
.side-cta{background:var(--ink-900);border-color:var(--ink-900)}
.side-cta h3{color:#fff}
.side-cta p{font-size:13px;color:rgba(255,255,255,.68);line-height:1.75;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- 折叠目录 ---------- */
.toc-mobile{display:none;margin-top:22px}
.toc-mobile.is-ready{display:block}
.toc-mobile details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:12px 16px;box-shadow:var(--shadow-sm);
}
.toc-mobile summary{
  font-size:14px;font-weight:700;color:var(--ink-900);cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";font-size:18px;color:var(--accent);transition:transform .2s ease}
.toc-mobile details[open] summary::after{transform:rotate(45deg)}
.toc-mobile .toc-list{margin-top:10px;max-height:none}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:56px}
.foot-inner{
  max-width:var(--container);margin:0 auto;
  padding:48px 20px 32px;
  display:grid;grid-template-columns:1fr;gap:28px;
}
.foot-brand .brand-link{margin-bottom:12px}
.foot-desc{font-size:13px;line-height:1.9;margin:14px 0 0;max-width:300px;color:rgba(255,255,255,.6)}
.foot-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:12px}
.foot-links{display:flex;flex-direction:column;gap:4px}
.foot-links a{
  font-size:14px;line-height:32px;color:rgba(255,255,255,.72);
  transition:color .18s ease,transform .18s ease;width:fit-content;
}
.foot-links a:hover{color:var(--accent);transform:translateX(2px)}
.foot-info{font-size:13px;line-height:1.9;margin:0;color:rgba(255,255,255,.6)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  max-width:var(--container);margin:0 auto;
  padding:16px 20px 22px;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 断点 ---------- */
@media (min-width:768px){
  .foot-inner{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;padding:56px 32px 36px;padding-left:32px;padding-right:32px}
  .foot-bottom{padding:18px 32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .main{padding-left:24px;padding-right:24px}
  .panel{padding:32px}
}
@media (min-width:1024px){
  .topbar{display:none}
  .sidebar{
    width:var(--sidebar-w);transform:none;box-shadow:none;
    max-width:none;z-index:70;
  }
  .side-brand{display:none}
  .sidebar::before{
    content:"爱游戏 AYX";
    display:none;
  }
  .side-top{
    display:flex;align-items:center;min-height:72px;padding:0 16px;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .scrim{display:none}
  .main{margin-left:var(--sidebar-w);padding:32px 40px 0}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .site-foot{margin-left:var(--sidebar-w)}
  .cta-band{padding:36px 40px}
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px}
  .side-col{display:block}
  .toc-mobile{display:none!important}
}
@media (max-width:1279px){
  .side-col{display:none}
  .toc-mobile{display:block}
}
@media (max-width:767px){
  .main{padding-top:calc(var(--header-h) + 16px)}
  .panel{padding:20px;border-radius:18px}
  .art-head h1{font-size:30px;line-height:1.26}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:24px;margin-top:36px}
  .article-body h3{font-size:20px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 22px;border-radius:18px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .btn{width:auto}
  .foot-inner{grid-template-columns:1fr 1fr;padding:40px 16px 28px}
  .foot-brand{grid-column:1 / -1}
  .foot-bottom{padding:14px 16px 20px;flex-direction:column;gap:6px}
}
@media (max-width:479px){
  .brand-main{font-size:15px}
  .art-meta{font-size:12px;gap:6px 14px}
  .art-head h1{font-size:27px}
  .article-body{font-size:16px}
  .badge{font-size:11px}
  .art-foot{flex-direction:column;align-items:flex-start}
  .art-foot .btn{width:100%}
  .cta-band .btn{width:100%}
  .related-card{flex-direction:column;align-items:flex-start}
  .related-thumb{width:100%;height:auto;aspect-ratio:16/9}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFE9DE;
  --ink-900:#0B1F1B;
  --ink-800:#0E2A25;
  --ink-700:#17433A;
  --text:#14201C;
  --muted:#55655F;
  --muted-2:#7C8A84;
  --line:#E3DCCF;
  --accent:#FF6A3D;
  --accent-soft:#FFE3D7;
  --mint:#5BD6C0;
  --mint-soft:#DFF7F2;
  --gold:#F2C15C;
  --gold-soft:#FBF0D6;
  --success:#1F8A5B;
  --warning:#C97A12;
  --danger:#C0432F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(11,31,27,.06);
  --shadow-md:0 10px 28px rgba(11,31,27,.10);
  --container:1240px;
  --sidebar-w:236px;
  --header-h:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  line-break:strict;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.15em}
li{margin:8px 0;line-height:1.8}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- App shell ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--ink-900);
  color:#fff;
  display:flex;
  flex-direction:column;
  padding:0 14px 18px;
  z-index:60;
}
.sidebar-brand{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:0 4px;
  flex:none;
}
.brand-link{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  position:relative;
  width:26px;height:26px;flex:none;
  border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--gold));
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:var(--ink-900);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.01em;color:#fff}
.brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.58)}
.drawer-close{
  display:none;
  width:32px;height:32px;
  align-items:center;justify-content:center;
  border:none;border-radius:8px;
  background:rgba(255,255,255,.08);
  color:#fff;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.16)}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;
  border-radius:10px;
  font-size:14px;
  color:rgba(255,255,255,.76);
  transition:background .2s ease,color .2s ease;
}
.side-link svg{width:20px;height:20px;flex:none;opacity:.85}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.is-active{background:rgba(255,106,61,.14);color:#fff}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.side-link.is-active svg{opacity:1}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.side-note{
  margin-top:10px;
  font-size:12px;line-height:1.6;
  color:rgba(255,255,255,.48);
}

.main-wrap{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.topbar{display:none}
main{
  flex:1;
  padding:32px 40px 0;
}
.container{width:100%;max-width:var(--container);margin:0 auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:12px;
  border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--accent);
  color:#1A0F0A;
  box-shadow:0 6px 18px rgba(255,106,61,.22);
}
.btn-primary:hover{background:#FF7E56;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,61,.25)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,61,.2)}
.btn-ghost{
  background:transparent;
  border-color:var(--ink-700);
  color:var(--ink-800);
}
.btn-ghost:hover{background:rgba(23,67,58,.07);transform:translateY(-1px)}
.btn-on-dark{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-on-dark:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink-700);
  transition:color .2s ease;
}
.link-more span{transition:transform .2s ease}
.link-more:hover{color:var(--accent)}
.link-more:hover span{transform:translateX(2px)}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-mint{background:var(--mint-soft);color:var(--ink-700)}
.badge-accent{background:var(--accent-soft);color:#8A2F12}
.badge-gold{background:var(--gold-soft);color:#7A5310}
.badge-idle{background:var(--surface-2);color:var(--muted)}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  margin-bottom:20px;
  overflow-x:auto;white-space:nowrap;
  padding-bottom:2px;
}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--muted-2)}
.crumb .current{color:var(--text);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:52px 44px;
  min-height:380px;
  display:flex;align-items:center;
  color:#fff;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  box-shadow:var(--shadow-md);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,27,.95) 0%,rgba(11,31,27,.82) 54%,rgba(11,31,27,.45) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;bottom:-130px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.42),rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  width:100%;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:36px;
  align-items:center;
}
.hero-title{margin:0;font-weight:800;line-height:1.18}
.hero-title-main{display:block;font-size:46px;letter-spacing:.01em}
.hero-title-sub{
  display:block;
  margin-top:10px;
  font-size:20px;font-weight:600;letter-spacing:.04em;
  color:rgba(255,255,255,.74);
}
.hero-lead{
  margin-top:18px;
  max-width:34em;
  font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.84);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.stat-chip{
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
}
.hero-figure{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:3px solid rgba(255,106,61,.5);
  box-shadow:0 18px 40px rgba(0,0,0,.32);
  transform:rotate(-1.2deg);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}

/* ---------- Sections ---------- */
.section{padding:64px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:24px;
}
.section-title{
  font-size:30px;line-height:1.35;font-weight:800;color:var(--ink-900);
}
.section-sub{margin-top:8px;font-size:15px;color:var(--muted);max-width:40em}

/* ---------- Timeline ---------- */
.timeline{
  position:relative;
  display:flex;flex-direction:column;gap:16px;
  padding-left:60px;
}
.timeline::before{
  content:"";position:absolute;left:20px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--accent-soft),var(--line));
}
.tl-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-soft)}
.tl-num{
  position:absolute;left:-60px;top:18px;
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--accent-soft);
  color:#8A2F12;
  font-size:15px;font-weight:800;
  border:3px solid var(--bg);
  font-variant-numeric:tabular-nums;
  z-index:2;
}
.tl-item h3{font-size:19px;line-height:1.45;font-weight:800;color:var(--ink-900)}
.tl-item p{margin-top:8px;font-size:15px;color:var(--muted);max-width:44em}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- Rule cards ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rule-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-soft)}
.rule-icon{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);
  color:#8A2F12;
  margin-bottom:14px;
}
.rule-icon svg{width:22px;height:22px}
.rule-card h3{font-size:19px;line-height:1.45;font-weight:800;color:var(--ink-900)}
.rule-card p{margin-top:8px;font-size:15px;color:var(--muted)}
.rule-card .rule-list{margin-top:12px;font-size:14px;color:var(--muted)}

/* ---------- Split block ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:32px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.split-figure{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line)}
.split-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split h2{font-size:28px;line-height:1.35;font-weight:800;color:var(--ink-900)}
.split p{margin-top:12px;font-size:15px;color:var(--muted)}
.check-list{list-style:none;padding:0;margin:16px 0 0}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;color:var(--text);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:14px;height:14px;border-radius:50%;
  background:var(--mint-soft);
  border:2px solid var(--mint);
}

/* ---------- Note panel ---------- */
.note-panel{
  background:var(--surface-2);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-md);
  padding:26px 28px;
}
.note-panel h2{font-size:24px;line-height:1.4;font-weight:800;color:var(--ink-900)}
.note-panel p{margin-top:8px;font-size:15px;color:var(--muted)}
.note-list{list-style:none;padding:0;margin:16px 0 0}
.note-list li{
  position:relative;padding-left:22px;
  font-size:15px;color:var(--ink-800);line-height:1.8;
}
.note-list li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 12px;
  font-size:16px;font-weight:700;color:var(--ink-900);
  cursor:pointer;
  border-radius:8px;
  transition:background .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  font-size:22px;font-weight:400;line-height:1;color:var(--accent);
  transition:transform .2s ease;
}
.faq summary:hover{background:var(--surface-2)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 12px 20px;font-size:15px;line-height:1.75;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  margin:64px 0 72px;
  padding:44px;
  border-radius:var(--radius-lg);
  background:var(--ink-900);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-md);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-110px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.35),rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.cta-band h2{font-size:28px;line-height:1.4;font-weight:800;color:#fff}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.72);max-width:40em}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Footer ---------- */
.site-foot{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:56px 40px 0;
  margin-top:auto;
}
.foot-inner{
  max-width:var(--container);
  margin:0 auto;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:32px;
}
.foot-desc{margin-top:14px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.62);max-width:26em}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:10px}
.foot-links{display:flex;flex-direction:column}
.foot-links a{
  display:inline-block;
  font-size:14px;line-height:2.3;
  color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.foot-links a:hover{color:var(--accent)}
.foot-info{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.foot-bottom{
  max-width:var(--container);
  margin:40px auto 0;
  padding:18px 0 22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.55);
  flex-wrap:wrap;
}

/* ---------- Mobile drawer / topbar ---------- */
.drawer-mask{display:none}
@media (max-width:1279px){
  :root{--sidebar-w:220px}
  main{padding:24px 24px 0}
  .hero-title-main{font-size:40px}
  .page-hero{padding:44px 34px}
}
@media (max-width:1023px){
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform .24s ease;
    box-shadow:none;
  }
  body.drawer-open .sidebar{
    transform:translateX(0);
    box-shadow:0 10px 44px rgba(0,0,0,.45);
  }
  .drawer-close{display:flex}
  .drawer-mask{
    display:none;
    position:fixed;inset:0;
    background:rgba(11,31,27,.56);
    z-index:55;
  }
  body.drawer-open .drawer-mask{display:block}
  body.drawer-open{overflow:hidden}
  .topbar{
    position:fixed;top:0;left:0;right:0;
    height:var(--header-h);
    display:flex;align-items:center;justify-content:space-between;
    padding:0 16px;
    background:var(--ink-900);
    z-index:50;
    box-shadow:0 2px 12px rgba(11,31,27,.2);
  }
  .burger{
    width:40px;height:38px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    background:rgba(255,255,255,.08);
    border:none;border-radius:10px;
    cursor:pointer;
    transition:background .2s ease;
  }
  .burger:hover{background:rgba(255,255,255,.16)}
  .burger span{display:block;width:16px;height:2px;border-radius:2px;background:#fff}
  .main-wrap{margin-left:0;padding-top:var(--header-h)}
  main{padding:20px 20px 0}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-figure{transform:none;order:2}
  .hero-title-main{font-size:36px}
  .split{grid-template-columns:1fr;padding:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .foot-inner{grid-template-columns:1fr 1fr}
  .site-foot{padding:44px 20px 0}
}
@media (max-width:767px){
  :root{--header-h:52px}
  main{padding:16px 16px 0}
  .page-hero{padding:34px 22px;min-height:0;border-radius:18px}
  .hero-title-main{font-size:31px;line-height:1.25}
  .hero-title-sub{font-size:17px}
  .hero-lead{font-size:15.5px}
  .section{padding:48px 0 0}
  .section-title{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .rule-grid{grid-template-columns:1fr}
  .timeline{padding-left:52px}
  .timeline::before{left:17px}
  .tl-num{left:-52px;width:36px;height:36px;font-size:14px;top:20px}
  .tl-item{padding:20px}
  .split h2{font-size:24px}
  .note-panel{padding:22px}
  .note-panel h2{font-size:21px}
  .cta-band{margin:48px 0 56px;padding:26px;border-radius:18px}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq summary{font-size:15.5px;padding:16px 8px}
  .foot-inner{gap:24px}
}
@media (max-width:519px){
  .hero-title-main{font-size:28px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .foot-inner{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFE9DE;
  --ink-900:#0B1F1B;
  --ink-800:#0E2A25;
  --ink-700:#17433A;
  --text:#14201C;
  --muted:#55655F;
  --muted-2:#7C8A84;
  --line:#E3DCCF;
  --accent:#FF6A3D;
  --accent-soft:#FFE3D7;
  --mint:#5BD6C0;
  --mint-soft:#DFF7F2;
  --gold:#F2C15C;
  --gold-soft:#FBF0D6;
  --success:#1F8A5B;
  --warning:#C97A12;
  --danger:#C0432F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(11,31,27,.06);
  --shadow-md:0 10px 28px rgba(11,31,27,.10);
  --container:1240px;
  --sidebar-w:236px;
  --header-h:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  line-break:strict;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--accent-soft);color:var(--ink-900)}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-900);
  display:flex;flex-direction:column;
  padding:16px 16px 20px;
  z-index:60;
  overflow-y:auto;
  transition:transform .22s ease;
}
.side-brand{
  display:flex;align-items:center;gap:10px;
  height:72px;padding-left:8px;flex:0 0 auto;
}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent) 0%,var(--gold) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:var(--ink-900);opacity:.85;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-size:16px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-top:3px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:20px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 16px;border-radius:10px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.nav-ico{
  width:16px;height:16px;flex:0 0 16px;border-radius:4px;
  border:1.6px solid currentColor;opacity:.75;position:relative;
}
.nav-ico::after{
  content:"";position:absolute;left:3px;top:3px;width:6px;height:6px;border-radius:2px;
  background:currentColor;opacity:.55;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.is-active{background:rgba(255,106,61,.14);color:#fff}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:var(--accent);
}
.side-link.is-active .nav-ico{color:var(--accent);opacity:1}
.side-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.side-foot .btn{width:100%}
.side-note{font-size:11px;line-height:1.7;color:rgba(255,255,255,.42);text-align:center;letter-spacing:.02em}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:var(--ink-900);z-index:70;align-items:center;justify-content:space-between;
  padding:0 16px;box-shadow:0 2px 12px rgba(11,31,27,.18);
}
.topbar .brand-main{font-size:15px}
.topbar .brand-sub{font-size:10px}
.topbar .brand-mark{width:26px;height:26px;flex:0 0 26px;border-radius:8px}
.topbar .brand-mark::after{inset:8px}
.burger{
  width:40px;height:40px;border:0;border-radius:10px;background:rgba(255,255,255,.08);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s ease}
.burger:hover{background:rgba(255,255,255,.14)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.scrim{position:fixed;inset:0;background:rgba(11,31,27,.56);z-index:55}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--sidebar-w);padding:32px 40px 0}
.container{max-width:var(--container);margin:0 auto;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:0;
  font-size:15px;font-weight:700;line-height:1;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--accent);color:#1A0F0A}
.btn-primary:hover{background:#FF7E56;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,106,61,.25)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border:1.5px solid var(--ink-700);color:var(--ink-800)}
.btn-ghost:hover{background:rgba(23,67,58,.07);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink-700);
}
.link-more .arw{transition:transform .2s ease,color .2s ease}
.link-more:hover{color:var(--accent)}
.link-more:hover .arw{transform:translateX(2px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-mint{background:var(--mint-soft);color:var(--ink-700)}
.badge-done{background:#E4F5EC;color:var(--success)}
.badge-doing{background:var(--accent-soft);color:#B33F16}
.badge-wait{background:var(--surface-2);color:var(--muted)}
.badge-gold{background:var(--gold-soft);color:#8A5B0B}
.tag{
  display:inline-block;padding:2px 9px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--surface-2);color:var(--muted);
  white-space:nowrap;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  box-shadow:var(--shadow-sm);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,27,.95) 0%,rgba(11,31,27,.82) 44%,rgba(11,31,27,.42) 100%);
}
.hero::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.42) 0%,rgba(255,106,61,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  padding:56px 48px;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--mint);
  background:rgba(91,214,192,.12);border:1px solid rgba(91,214,192,.3);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.hero h1{color:#fff;font-size:46px;line-height:1.18;font-weight:800;letter-spacing:.01em;margin:0}
.hero h1 .h1-sub{
  display:block;margin-top:10px;font-size:17px;font-weight:600;letter-spacing:.06em;
  color:rgba(255,255,255,.72);
}
.hero-lead{
  margin-top:18px;max-width:34em;font-size:17px;line-height:1.8;color:rgba(255,255,255,.8);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.14);box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.hero-media::before{
  content:"";position:absolute;left:-12px;top:16px;bottom:16px;width:4px;border-radius:4px;
  background:var(--accent);opacity:.9;
}

/* ---------- 板块通用 ---------- */
.block{margin-top:72px}
.sec-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.sec-head h2{font-size:30px;line-height:1.35;font-weight:800;color:var(--ink-900);letter-spacing:.01em}
.sec-head p{font-size:14px;color:var(--muted)}

/* ---------- 任务面板 ---------- */
.task-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:32px;
  display:grid;grid-template-columns:288px 1fr;gap:36px;
}
.progress-side{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px}
.progress-ring{
  width:152px;height:152px;border-radius:50%;position:relative;
  background:conic-gradient(var(--accent) 0 50%,var(--gold) 50% 58%,var(--surface-2) 58% 100%);
  display:grid;place-items:center;
}
.progress-ring::after{
  content:"";position:absolute;inset:14px;border-radius:50%;background:var(--surface);
}
.progress-center{position:relative;z-index:1;line-height:1.3}
.progress-center .num{font-size:26px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums}
.progress-center .lab{font-size:12px;color:var(--muted);margin-top:2px}
.progress-side h3{font-size:18px;font-weight:700;color:var(--ink-900)}
.progress-side p{font-size:14px;color:var(--muted);line-height:1.75}
.progress-legend{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}

.task-list{display:flex;flex-direction:column}
.task-row{
  display:grid;grid-template-columns:22px 1fr auto;gap:16px;align-items:start;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.task-row:first-child{padding-top:0}
.task-row:last-child{border-bottom:0;padding-bottom:0}
.dot{
  width:18px;height:18px;border-radius:50%;margin-top:6px;position:relative;flex:0 0 18px;
  background:var(--surface-2);
}
.dot.done{background:#DCF2E7}
.dot.done::after{
  content:"";position:absolute;left:5px;top:3px;width:5px;height:9px;
  border:2px solid var(--success);border-top:0;border-left:0;transform:rotate(42deg);
}
.dot.doing{background:var(--accent-soft)}
.dot.doing::after{
  content:"";position:absolute;inset:6px;border-radius:50%;background:var(--accent);
}
.dot.wait::after{
  content:"";position:absolute;inset:5px;border-radius:50%;border:1.6px dashed var(--muted-2);
}
.task-name{font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5}
.task-desc{font-size:14px;color:var(--muted);line-height:1.7;margin-top:4px}
.task-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.task-status{display:flex;flex-direction:column;align-items:flex-end;gap:8px;padding-top:2px}

/* ---------- 阶段说明 ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.stage-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stage-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent-soft)}
.stage-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:var(--accent-soft);
  color:#B33F16;font-weight:800;font-size:15px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.stage-card h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--ink-900)}
.stage-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:8px}
.stage-line{
  position:absolute;top:44px;left:0;right:0;height:1px;background:var(--line);z-index:0;
}

/* ---------- 说明面板 ---------- */
.note-panel{
  background:var(--surface-2);border-left:3px solid var(--accent);
  border-radius:var(--radius-md);padding:26px 28px;
}
.note-panel h2{font-size:22px;font-weight:800;color:var(--ink-900);line-height:1.45}
.note-list{margin-top:14px;display:grid;gap:8px}
.note-list li{
  position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--ink-700);
}
.note-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.faq-item:hover{border-color:var(--accent-soft);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:400;color:var(--accent);
  transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 18px;font-size:15px;line-height:1.75;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink-900);color:#fff;
  padding:44px 48px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-100px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.36) 0%,rgba(255,106,61,0) 70%);
}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:800;position:relative;z-index:1}
.cta-band p{margin-top:8px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);position:relative;z-index:1;max-width:38em}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:80px;padding:56px 40px 0}
.foot-inner{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;
}
.foot-brand .brand-link{display:flex;align-items:center;gap:10px}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:14px;max-width:26em}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:0}
.foot-links a{
  font-size:14px;line-height:32px;color:rgba(255,255,255,.72);width:fit-content;
}
.foot-links a:hover{color:var(--accent)}
.foot-info{font-size:14px;line-height:2;color:rgba(255,255,255,.6)}
.foot-bottom{
  max-width:var(--container);margin:0 auto;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main{padding:24px 24px 0}
  .hero-inner{padding:44px 36px;gap:28px}
  .hero h1{font-size:40px}
  .task-panel{grid-template-columns:240px 1fr;gap:28px;padding:28px}
  .site-foot{padding:48px 24px 0}
  .foot-inner{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:28px}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-100%);width:280px;padding-top:12px;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .sidebar.is-open{transform:translateX(0)}
  .main{margin-left:0;padding:calc(var(--header-h) + 20px) 20px 0}
  .hero-inner{grid-template-columns:1fr;padding:36px 28px;gap:24px}
  .hero h1{font-size:34px}
  .hero h1 .h1-sub{font-size:15px}
  .hero-media{order:2}
  .hero-media::before{display:none}
  .task-panel{grid-template-columns:1fr;gap:24px;padding:24px}
  .progress-side{align-items:flex-start;text-align:left}
  .progress-legend{justify-content:flex-start}
  .stage-grid{grid-template-columns:1fr 1fr}
  .stage-card:last-child{grid-column:span 2}
  .stage-line{display:none}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:20px}
  .foot-inner{grid-template-columns:1fr 1fr;gap:32px}
  .site-foot{padding:44px 20px 0}
}
@media (max-width:767px){
  .main{padding:calc(var(--header-h) + 16px) 16px 0}
  .hero-inner{padding:30px 22px}
  .hero h1{font-size:31px;line-height:1.25}
  .hero-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .block{margin-top:48px}
  .sec-head h2{font-size:24px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:6px}
  .task-row{grid-template-columns:22px 1fr;row-gap:8px}
  .task-status{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start}
  .stage-grid{grid-template-columns:1fr}
  .stage-card:last-child{grid-column:auto}
  .cta-band h2{font-size:24px}
  .cta-band{padding:30px 22px}
  .cta-band .cta-actions .btn{flex:1 1 auto}
  .note-panel{padding:22px}
  .note-panel h2{font-size:20px}
  .faq-item{padding:0 18px}
  .faq-item summary{font-size:15px;padding:16px 0}
  .foot-inner{grid-template-columns:1fr 1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:6px}
}
@media (max-width:479px){
  .hero h1{font-size:28px}
  .hero-kicker{font-size:11px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .progress-ring{width:132px;height:132px}
  .badge{font-size:11px}
  .cta-band .cta-actions{flex-direction:column}
  .cta-band .cta-actions .btn{width:100%}
  .foot-inner{grid-template-columns:1fr}
  .hero::after{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --bg:#F7F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFE9DE;
  --ink-900:#0B1F1B;
  --ink-800:#0E2A25;
  --ink-700:#17433A;
  --text:#14201C;
  --muted:#55655F;
  --muted-2:#7C8A84;
  --line:#E3DCCF;
  --accent:#FF6A3D;
  --accent-soft:#FFE3D7;
  --mint:#5BD6C0;
  --mint-soft:#DFF7F2;
  --gold:#F2C15C;
  --gold-soft:#FBF0D6;
  --success:#1F8A5B;
  --warning:#C97A12;
  --danger:#C0432F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(11,31,27,.06);
  --shadow-md:0 10px 28px rgba(11,31,27,.10);
  --container:1240px;
  --sidebar-w:236px;
  --header-h:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  line-break:strict;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--accent-soft);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-900);
  display:flex;flex-direction:column;
  padding:0 16px 20px;
  z-index:60;
  overflow-y:auto;
}
.side-brand{height:72px;display:flex;align-items:center;justify-content:space-between;gap:8px;flex:none}
.brand-link{display:flex;align-items:center;gap:10px;color:#fff}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--accent),var(--gold));
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid rgba(11,31,27,.78);border-radius:3px;transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.6);margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border-radius:10px;
  font-size:14px;color:rgba(255,255,255,.74);
  position:relative;
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:20px;height:20px;flex:none;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.is-active{background:rgba(255,106,61,.14);color:#fff}
.nav-item.is-active svg{opacity:1;color:var(--accent)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--accent);
}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}
.side-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);margin-top:12px}
.drawer-close{
  display:none;width:32px;height:32px;border-radius:8px;border:0;
  background:rgba(255,255,255,.1);color:#fff;font-size:18px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.18)}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:var(--ink-900);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:70;
  box-shadow:0 2px 12px rgba(11,31,27,.18);
}
.burger{
  width:40px;height:40px;border-radius:10px;border:0;background:rgba(255,255,255,.08);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s ease}
.burger:hover{background:rgba(255,255,255,.16)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.scrim{
  position:fixed;inset:0;background:rgba(11,31,27,.56);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:55;
}

/* ============ 主区域 ============ */
.main{
  margin-left:var(--sidebar-w);
  padding:32px 40px 0;
}
.wrap{max-width:var(--container);margin:0 auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#1A0F0A}
.btn-primary:hover{background:#FF7E56;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,106,61,.25)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink-700);color:var(--ink-800)}
.btn-ghost:hover{background:rgba(23,67,58,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink-700);
  transition:color .2s ease;
}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:translateX(2px)}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:var(--muted-2)}
.crumbs [aria-current]{color:var(--text);font-weight:600}

/* ============ Hero ============ */
.page-hero{
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:44px;
  box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.16),rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.hero-title{font-size:46px;line-height:1.18;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.hero-title-sub{display:block;font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--accent);margin-top:10px;line-height:1.4}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);margin-top:18px;max-width:34em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts .fact-num{font-size:22px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums}
.hero-facts .fact-label{font-size:13px;color:var(--muted-2)}
.hero-art{position:relative}
.hero-art img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);
}
.hero-art::after{
  content:"";position:absolute;left:-10px;bottom:-10px;width:64px;height:64px;border-radius:16px;
  background:var(--accent-soft);z-index:-1;
}

/* ============ 板块 ============ */
.section{padding:80px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{font-size:30px;line-height:1.35;font-weight:800;color:var(--ink-900)}
.sec-sub{font-size:15px;line-height:1.8;color:var(--muted);margin-top:8px;max-width:44em}

/* ============ 奖励档位卡 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  padding:24px;
  position:relative;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tier-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px}
.tier-card:hover{border-color:var(--accent-soft);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.tier-1::before{background:var(--accent)}
.tier-2::before{background:var(--gold);margin-top:-24px}
.tier-3::before{background:var(--mint);margin-top:8px}
.tier-card.tier-2{margin-top:-24px}
.tier-card.tier-3{margin-top:8px}
.tier-badge{
  display:inline-block;border-radius:999px;padding:3px 10px;
  font-size:12px;font-weight:700;line-height:1.6;
}
.tier-1 .tier-badge{background:var(--accent-soft);color:#A33B14}
.tier-2 .tier-badge{background:var(--gold-soft);color:#8A5A08}
.tier-3 .tier-badge{background:var(--mint-soft);color:var(--ink-700)}
.tier-card h3{font-size:20px;line-height:1.45;font-weight:800;color:var(--ink-900);margin-top:14px}
.tier-card .tier-desc{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px}
.tier-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.tier-list li{
  position:relative;padding-left:16px;font-size:14px;line-height:1.8;color:var(--text);
}
.tier-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.tier-2 .tier-list li::before{background:var(--gold)}
.tier-3 .tier-list li::before{background:var(--mint)}
.progress{margin-top:20px}
.progress-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted-2);margin-bottom:8px}
.progress-meta .state{font-weight:700;color:var(--ink-700)}
.progress-track{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--gold))}
.p-1{width:34%}
.p-2{width:62%}
.p-3{width:88%}
.tier-card .link-arrow{margin-top:18px}

/* ============ 条件条 ============ */
.cond-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:12px 32px;box-shadow:var(--shadow-sm);
}
.cond-row{
  display:grid;grid-template-columns:190px 1fr;gap:32px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.cond-row:last-child{border-bottom:0}
.cond-name{font-size:15px;font-weight:700;color:var(--ink-900)}
.cond-name small{display:block;font-size:12px;font-weight:400;color:var(--muted-2);margin-top:2px}
.cond-track{position:relative;height:10px;border-radius:999px;background:var(--surface-2)}
.cond-fill{position:absolute;top:0;bottom:0;left:0;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--gold))}
.cond-pin{
  position:absolute;top:50%;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--accent);transform:translate(-50%,-50%);
  box-shadow:0 2px 6px rgba(11,31,27,.16);
}
.cond-ticks{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.cond-legend{display:flex;gap:20px;flex-wrap:wrap;padding:16px 0 20px;font-size:13px;color:var(--muted-2)}
.cond-legend span{display:inline-flex;align-items:center;gap:6px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot-accent{background:var(--accent)}
.dot-line{width:18px;height:8px;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--gold));display:inline-block}

/* ============ 领取流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);position:relative;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step:hover{border-color:var(--accent-soft);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.step-num{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);color:#A33B14;font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;line-height:1.5;font-weight:800;color:var(--ink-900);margin-top:14px}
.step p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px}

/* ============ 规则 FAQ ============ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}
.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:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink-900);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg)}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;font-weight:400;color:var(--accent);
  transition:transform .2s ease;flex:none;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.75;color:var(--muted)}

/* ============ CTA ============ */
.cta-band{
  margin-top:80px;
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background-color:var(--ink-900);
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,27,.94) 0%,rgba(11,31,27,.86) 46%,rgba(11,31,27,.62) 100%);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.34),rgba(255,106,61,0) 70%);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:30px;line-height:1.35;font-weight:800}
.cta-copy p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);margin-top:10px;max-width:36em}
.cta-band .btn{position:relative;z-index:1;flex:none}

/* ============ 页脚 ============ */
.site-foot{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  margin-top:80px;
  padding:56px 40px 0;
}
.foot-inner{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;
}
.foot-brand .brand-link{margin-bottom:14px}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:26em}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{
  font-size:14px;line-height:2.3;color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.foot-links a:hover{color:var(--accent)}
.foot-info{font-size:13px;line-height:2;color:rgba(255,255,255,.6)}
.foot-bottom{
  max-width:var(--container);margin:0 auto;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:220px}
  .main{padding:28px 24px 0}
  .page-hero{padding:36px;gap:28px}
  .hero-title{font-size:40px}
  .site-foot{padding:48px 24px 0}
  .foot-inner{grid-template-columns:1.6fr 1fr 1fr;gap:28px}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{
    width:280px;max-width:86vw;
    transform:translateX(-100%);
    transition:transform .24s ease;
    padding-top:8px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:block}
  .scrim.is-open{opacity:1;visibility:visible}
  .main{margin-left:0;padding:calc(var(--header-h) + 24px) 24px 0}
  .site-foot{margin-left:0;padding:48px 24px 0}
  .page-hero{grid-template-columns:1fr;padding:32px}
  .hero-title{font-size:34px}
  .hero-art img{aspect-ratio:16/9}
  .hero-art::after{display:none}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-card.tier-2,.tier-card.tier-3{margin-top:0}
  .tier-2::before,.tier-3::before{margin-top:0}
  .steps{grid-template-columns:1fr;gap:16px}
  .cond-panel{padding:8px 24px}
  .cond-row{grid-template-columns:1fr;gap:14px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .section{padding-top:56px}
  .sec-title{font-size:26px}
  .faq-item summary{font-size:15px;padding:18px 20px}
  .faq-body{padding:0 20px 20px}
}
@media (max-width:767px){
  :root{--header-h:52px}
  body{font-size:15px}
  .main{padding:calc(var(--header-h) + 20px) 16px 0}
  .page-hero{padding:24px;border-radius:18px}
  .hero-title{font-size:30px;line-height:1.25}
  .hero-title-sub{font-size:14px}
  .hero-lead{font-size:15px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-facts{gap:20px}
  .hero-facts .fact-num{font-size:19px}
  .sec-title{font-size:24px}
  .tier-grid{
    display:flex;gap:14px;
    overflow-x:auto;scroll-snap-type:x mandatory;
    margin:0 -16px;padding:4px 16px 12px;
    -webkit-overflow-scrolling:touch;
  }
  .tier-grid::-webkit-scrollbar{height:6px}
  .tier-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
  .tier-card{flex:0 0 82%;scroll-snap-align:start;margin-top:0!important}
  .cond-panel{padding:4px 18px;border-radius:18px}
  .cond-ticks{font-size:11px}
  .cta-band{margin-top:56px;padding:28px 22px;border-radius:18px}
  .cta-copy h2{font-size:23px}
  .cta-band .btn{width:100%}
  .site-foot{padding:40px 16px 0;margin-top:56px}
  .foot-inner{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:28px}
  .foot-brand{grid-column:1/-1}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:479px){
  .hero-title{font-size:27px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .sec-title{font-size:22px}
  .tier-card{flex:0 0 88%}
  .brand-main{font-size:15px}
  .foot-inner{grid-template-columns:1fr}
  .cta-copy h2{font-size:21px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
}