/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#0B1412;
  --surface:#121F1B;
  --surface-deep:#0F1C18;
  --light:#F4F6F2;
  --light-card:#FFFFFF;
  --brand:#0E3B2E;
  --accent:#B7F03C;
  --accent-hover:#C9FF5C;
  --amber:#FF8A3D;
  --text:#EDF1EA;
  --muted:#9BB0A6;
  --ink:#0B1412;
  --ink-muted:#4A5A52;
  --line:rgba(237,241,234,.10);
  --line-strong:rgba(237,241,234,.28);
  --line-ink:rgba(11,20,18,.10);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --shadow-dark:0 18px 40px -20px rgba(0,0,0,.65);
  --shadow-light:0 10px 30px -18px rgba(11,20,18,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1280px;
  --nav-h:72px;
}

/* ============ 基础重置 ============ */
*,*::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:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(183,240,60,.28)}
.narrow{font-family:"Barlow Condensed","Oswald",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.03em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.stripes{background-image:repeating-linear-gradient(115deg,rgba(237,241,234,.07) 0 1px,transparent 1px 16px)}

/* ============ 通用标题 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;display:block}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.between{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p.desc{margin-top:16px;font-size:16px;color:var(--muted);max-width:620px}
.section-light{background:var(--light);color:var(--ink)}
.section-light .eyebrow{color:var(--brand)}
.section-light .section-head h2{color:var(--ink)}
.section-light .section-head p.desc{color:var(--ink-muted)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;
  line-height:1;white-space:nowrap;transition:all var(--t);border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 10px 24px -10px rgba(183,240,60,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--line-strong);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-outline:active{transform:translateY(1px)}
.btn-dark{background:var(--brand);color:var(--text)}
.btn-dark:hover{background:#12503D}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:14px;font-weight:600}
.link-arrow i{font-size:12px;transition:transform var(--t)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}
.link-arrow:hover i{transform:translateX(3px)}
.section-light .link-arrow{color:var(--brand)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,20,18,.92);
  border-bottom:1px solid rgba(237,241,234,.08);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.scrolled{background:rgba(11,20,18,.96);box-shadow:0 14px 34px -22px rgba(0,0,0,.9)}
.nav-wrap{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.logo-text{line-height:1}
.logo-pill{
  border:1px solid var(--accent);color:var(--accent);border-radius:999px;
  font-size:11px;letter-spacing:.12em;line-height:1.35;padding:2px 8px;font-weight:600;
}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;display:inline-block}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px}
.nav-links a.active::before{content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--accent);transform:translateY(-50%)}
.nav-side{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:0 8px}
.menu-toggle span{display:block;height:1px;background:var(--text);width:100%;transition:all var(--t)}
.drawer{position:fixed;inset:0;z-index:90;background:#0B1412;display:none;flex-direction:column;padding:20px 20px 32px}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid var(--line);padding-bottom:16px}
.drawer-close{width:40px;height:40px;font-size:20px;color:var(--muted)}
.drawer-close:hover{color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;gap:20px;margin-top:36px}
.drawer-nav a{font-size:18px;font-weight:500;color:var(--muted);padding:6px 0;border-bottom:1px solid rgba(237,241,234,.06)}
.drawer-nav a.active{color:var(--text)}
.drawer-nav a.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle}
.drawer-foot{margin-top:auto}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:92px 0 84px;background:var(--bg)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;background-repeat:no-repeat;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#0B1412 0%,rgba(11,20,18,.95) 36%,rgba(11,20,18,.72) 66%,rgba(11,20,18,.45) 100%);
}
.hero-stripes{position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(237,241,234,.07) 0 1px,transparent 1px 18px)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.status{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.12em;color:var(--muted);margin-bottom:22px}
.status .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.status .bar{width:26px;height:1px;background:var(--line-strong)}
.hero h1{font-size:clamp(32px,4.1vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.015em;max-width:14em}
.hero-sub{margin-top:20px;font-size:17px;color:var(--muted);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px}
.stat-pills li{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 20px;border:1px solid var(--line);border-radius:999px;
  background:rgba(18,31,27,.6);
}
.stat-pills b{font-size:22px;line-height:1.1;font-weight:700;color:var(--accent)}
.stat-pills span{font-size:12px;letter-spacing:.06em;color:var(--muted)}
.hero-panel{
  background:linear-gradient(180deg,rgba(18,31,27,.96),rgba(15,28,24,.96));
  border:1px solid var(--line-strong);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-dark);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:.12em;color:var(--muted);margin-bottom:14px}
.panel-head .narrow{font-size:14px;color:var(--text);letter-spacing:.08em}
.panel-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.panel-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.panel-list{margin-top:16px;display:flex;flex-direction:column}
.panel-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.panel-list li:first-child{border-top:0}
.panel-list .narrow{color:var(--accent);font-size:16px}

/* ============ 信任条 ============ */
.trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface-deep)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.trust-item{background:var(--surface-deep);padding:28px 24px;display:flex;gap:14px;align-items:flex-start}
.trust-item i{font-size:18px;color:var(--accent);margin-top:4px}
.trust-item h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
.trust-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 编号步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.step{position:relative;padding:0 24px 0 0}
.step:last-child{padding-right:0}
.step::after{content:"";position:absolute;left:0;top:26px;width:100%;height:1px;background:var(--line);z-index:0}
.step:last-child::after{width:calc(100% - 40px)}
.step-dot{position:absolute;left:0;top:21px;width:10px;height:10px;border-radius:50%;background:var(--accent);z-index:1}
.step-inner{position:relative;z-index:2;padding-top:56px}
.step-no{display:block;font-size:15px;letter-spacing:.1em;color:var(--accent);font-weight:600}
.step-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--brand);border:1px solid var(--line);color:var(--accent);font-size:17px;margin:14px 0 16px}
.step h3{font-size:18px;font-weight:600;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;max-width:24em}

/* ============ 奖励卡 ============ */
.section-alt{background:var(--surface-deep)}
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reward-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;transition:transform var(--t),border-color var(--t);
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.reward-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#12211C}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.reward-card:hover .reward-thumb img{transform:scale(1.03)}
.tier-badge{
  position:absolute;left:14px;top:14px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--amber);border:1px solid var(--amber);border-radius:999px;
  padding:3px 10px;background:rgba(11,20,18,.72);
}
.reward-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.reward-body h3{font-size:18px;font-weight:600}
.reward-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.reward-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}

/* ============ 进度组件 ============ */
.progress-panel{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(18,31,27,.9),rgba(15,28,24,.9));
  padding:40px;
}
.progress-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:8px}
.progress-head h2{font-size:28px;font-weight:700}
.progress-count{display:flex;align-items:baseline;gap:8px}
.progress-count b{font-size:40px;line-height:1;color:var(--accent);font-weight:700}
.progress-count span{font-size:14px;color:var(--muted);letter-spacing:.06em}
.track{position:relative;height:6px;border-radius:999px;background:var(--line);margin:44px 0 14px}
.track-fill{position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:linear-gradient(90deg,#B7F03C,#FF8A3D);width:68%}
.node{position:absolute;top:50%;width:12px;height:12px;border-radius:50%;background:var(--bg);border:1px solid var(--line-strong);transform:translate(-50%,-50%)}
.node.done{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px rgba(183,240,60,.16)}
.node.n1{left:6px}
.node.n2{left:25%}
.node.n3{left:50%}
.node.n4{left:75%}
.node.n5{left:calc(100% - 6px)}
.track-labels{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.track-labels li{flex:1}
.track-labels li:first-child{text-align:left}
.track-labels li:nth-child(2),.track-labels li:nth-child(3),.track-labels li:nth-child(4){text-align:center}
.track-labels li:last-child{text-align:right}

/* ============ 资讯列表（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--light-card);border:1px solid var(--line-ink);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-light);transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:0 18px 38px -22px rgba(11,20,18,.32)}
.news-link{display:flex;flex-direction:column;height:100%}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#12211C}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.chip{
  align-self:flex-start;font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--brand);border:1px solid rgba(14,59,46,.3);border-radius:999px;padding:3px 10px;
}
.news-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14.5px;color:var(--ink-muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line-ink);font-size:12px;letter-spacing:.06em;color:var(--ink-muted);display:flex;align-items:center;gap:8px}
.empty-state{
  border:1px dashed rgba(11,20,18,.22);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--ink-muted);background:rgba(255,255,255,.6);
}
.empty-state i{font-size:26px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state p{font-size:15px}

/* ============ FAQ ============ */
.faq-list{max-width:840px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:16px;font-weight:500;text-align:left;color:var(--text);transition:color var(--t);
}
.faq-q:hover{color:var(--accent)}
.faq-q .ico{position:relative;width:14px;height:14px;flex:0 0 14px}
.faq-q .ico::before,.faq-q .ico::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.faq-q .ico::before{left:0;top:6.5px;width:14px;height:1px}
.faq-q .ico::after{left:6.5px;top:0;width:1px;height:14px;transition:opacity var(--t)}
.faq-item.open .faq-q .ico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease)}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 0 24px 0;font-size:15px;color:var(--muted);line-height:1.8;max-width:60em}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--brand);padding:88px 0}
.cta-band .stripes-layer{position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(237,241,234,.08) 0 1px,transparent 1px 18px)}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:32px;font-weight:700;line-height:1.25;max-width:20em}
.cta-inner p{margin-top:14px;font-size:16px;color:rgba(237,241,234,.78);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:#08110E;border-top:1px solid var(--line);position:relative}
.site-footer .stripes-layer{position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(237,241,234,.06) 0 1px,transparent 1px 20px);pointer-events:none}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:72px 24px 56px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.8;max-width:30em}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:var(--text);font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  position:relative;z-index:2;border-top:1px solid var(--line);
  padding:22px 24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--muted)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-panel{max-width:560px}
  .nav-links{gap:22px}
  .nav-links a{font-size:14px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:40px 0}
  .step:nth-child(2)::after{width:100%}
  .step:nth-child(3)::after{width:100%}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 20px 44px}
  .progress-panel{padding:32px}
}
@media (max-width:768px){
  :root{--nav-h:60px}
  .container{padding:0 20px}
  .nav-links,.nav-side .btn{display:none}
  .menu-toggle{display:flex}
  .section{padding:60px 0}
  .hero{padding:56px 0 56px}
  .hero-bg::after{background:linear-gradient(180deg,rgba(11,20,18,.72) 0%,rgba(11,20,18,.94) 62%,#0B1412 100%)}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .stat-pills li{flex:1 1 calc(50% - 6px);padding:12px 16px}
  .section-head.between{flex-direction:column;align-items:flex-start;gap:18px}
  .section-head h2{font-size:25px}
  .steps{grid-template-columns:1fr;gap:34px}
  .step{padding-right:0}
  .step::after{display:none}
  .step-inner{padding-top:40px}
  .step-dot{top:6px}
  .reward-grid,.news-grid{grid-template-columns:1fr}
  .progress-head h2{font-size:23px}
  .progress-count b{font-size:32px}
  .track{margin:36px 0 14px}
  .track-labels{font-size:11px}
  .cta-band{padding:60px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:20px}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .stat-pills li{flex:1 1 100%}
  .progress-panel{padding:24px}
  .faq-q{font-size:15px;padding:18px 0}
  .trust-item{padding:22px 18px}
  .footer-grid{padding:48px 18px 36px}
}

/* roulang page: article */
:root{
  --bg:#0B1412;
  --surface:#121F1B;
  --surface-2:#0F1C18;
  --light:#F4F6F2;
  --brand:#0E3B2E;
  --accent:#B7F03C;
  --accent-hover:#C9FF5C;
  --amber:#FF8A3D;
  --text:#EDF1EA;
  --muted:#9BB0A6;
  --line:rgba(237,241,234,.10);
  --line-strong:rgba(237,241,234,.28);
  --ink:#0B1412;
  --ink-muted:#4A5A52;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.65);
  --shadow-light:0 10px 30px -18px rgba(11,20,18,.18);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1280px;
  --font:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --cond:"Barlow Condensed","Oswald","HarmonyOS Sans","PingFang SC",sans-serif;
}
*,*::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:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),opacity var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:.01em}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--cond);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,20,18,.92);
  border-bottom:1px solid rgba(237,241,234,.08);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 14px 34px -22px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:700;color:var(--text)}
.logo-text{letter-spacing:.02em}
.logo-pill{
  border:1px solid var(--accent);color:var(--accent);
  font-size:11px;letter-spacing:.12em;line-height:1.5;
  padding:1px 8px;border-radius:var(--r-pill);
}
.nav-main{display:block}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
}
.nav-links a.active::before{
  content:"";position:absolute;left:-11px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%);
}
.nav-actions{display:flex;align-items:center;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:14px 28px;
  font-size:15px;font-weight:700;line-height:1.1;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 10px 24px -10px rgba(183,240,60,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14px;font-weight:600;
}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- mobile nav ---------- */
.nav-toggle{
  display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;
  padding:0 8px;border-radius:8px;
}
.nav-toggle span{display:block;height:1px;background:var(--text);transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:60px 0 0;z-index:70;background:#0B1412;
  padding:32px 24px 40px;display:flex;flex-direction:column;gap:28px;overflow-y:auto;
}
.mobile-drawer[hidden]{display:none}
.mobile-drawer a{font-size:17px;font-weight:500;color:var(--text);padding:8px 0;display:block}
.mobile-drawer a.active{color:var(--accent)}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:12px}

/* ---------- page head / breadcrumb ---------- */
.page-head{padding:36px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{width:12px;height:1px;background:var(--line-strong);display:inline-block}
.section{padding:96px 0;position:relative}
.section-light{background:var(--light);color:var(--ink)}
.section-light .sec-sub,.section-light .lede{color:var(--ink-muted)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--accent);
  border:1px solid var(--line-strong);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:18px;
}
.sec-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-light .sec-tag{color:var(--brand);border-color:rgba(11,20,18,.2)}
.section-light .sec-tag .dot{background:var(--brand)}
h2.sec-title{font-size:32px;margin-bottom:16px}
.sec-sub{font-size:16px;color:var(--muted);line-height:1.8}

/* ---------- article ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;padding-top:28px}
.article-main{min-width:0}
.article-header{max-width:780px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.badge-cat{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.06em;color:var(--accent);
  border:1px solid rgba(183,240,60,.45);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:20px;
}
h1.article-title{font-size:44px;line-height:1.15;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--muted);letter-spacing:.04em}
.article-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.article-body{max-width:780px;padding-top:32px}
.article-content{font-size:17px;line-height:1.85;color:#DCE4DD}
.article-content p{margin:0 0 1.6em}
.article-content h2{
  font-size:30px;margin:2em 0 .7em;padding-left:14px;
  border-left:3px solid var(--accent);color:var(--text);
}
.article-content h3{font-size:22px;margin:1.6em 0 .6em;color:var(--text)}
.article-content ul{margin:0 0 1.6em}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:8px;height:2px;background:var(--accent);
}
.article-content ol{margin:0 0 1.6em;counter-reset:item}
.article-content ol li{position:relative;padding-left:30px;margin-bottom:.7em;counter-increment:item}
.article-content ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:.15em;font-family:var(--cond);font-size:15px;color:var(--accent);
}
.article-content blockquote{
  margin:1.6em 0;padding:18px 24px;border-left:2px solid var(--accent);
  background:rgba(183,240,60,.06);color:#C9D6CE;border-radius:0 var(--r-img) var(--r-img) 0;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-img);margin:1.6em 0}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-content table{width:100%;margin:1.6em 0;font-size:15px;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.article-content th,.article-content td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left}
.article-content th{font-weight:600;color:var(--text)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--line);max-width:780px}
.tag{
  font-size:12px;letter-spacing:.06em;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 12px;
  transition:color var(--t),border-color var(--t);
}
.tag:hover{color:var(--accent);border-color:var(--accent)}
.article-nav{
  max-width:780px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;
  margin-top:28px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:14px;
}
.article-nav a{color:var(--muted)}
.article-nav a:hover{color:var(--accent)}
.empty-article{
  max-width:780px;border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:48px 32px;text-align:center;background:var(--surface-2);
}
.empty-article .empty-title{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-article .empty-desc{font-size:15px;color:var(--muted);margin-bottom:24px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
}
.side-card h3{font-size:16px;margin-bottom:16px}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--muted)}
.side-list a:hover{color:var(--accent)}
.side-list a span.idx{font-family:var(--cond);font-size:13px;color:var(--line-strong)}
.side-cta{background:var(--brand);border-color:rgba(183,240,60,.28)}
.side-cta p{font-size:14.5px;color:#CFE0D5;margin-bottom:18px;line-height:1.75}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);border-color:var(--accent)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#12211C}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--muted);letter-spacing:.04em;
}
.badge-level{
  position:absolute;left:14px;top:14px;
  font-size:11px;letter-spacing:.08em;color:var(--amber);
  border:1px solid rgba(255,138,61,.6);background:rgba(11,20,18,.7);
  border-radius:var(--r-pill);padding:4px 10px;
}
.section-light .card{background:#fff;border-color:rgba(11,20,18,.08);box-shadow:var(--shadow-light)}
.section-light .card-title,.section-light .card-foot{color:var(--ink)}
.section-light .card-text,.section-light .card-foot{color:var(--ink-muted)}
.section-light .card-body{padding:20px}
.section-light .card:hover{border-color:var(--brand)}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px}
.faq-item{border-top:1px solid var(--line)}
.section-light .faq-item{border-top:1px solid rgba(11,20,18,.12)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.section-light .faq-item:last-child{border-bottom:1px solid rgba(11,20,18,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:500;color:var(--text);
}
.section-light .faq-q{color:var(--ink)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform var(--t),opacity var(--t)}
.faq-icon::before{left:0;top:7.5px;width:16px;height:1px}
.faq-icon::after{left:7.5px;top:0;width:1px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms cubic-bezier(.2,.7,.3,1)}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted);padding:0 40px 22px 0}
.section-light .faq-a p{color:var(--ink-muted)}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:#08110E;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band .cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.28}
.cta-band .cta-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,17,14,.96) 0%,rgba(8,17,14,.82) 48%,rgba(8,17,14,.56) 100%)}
.cta-inner{position:relative;z-index:2;padding:80px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:32px;max-width:620px;margin-bottom:14px}
.cta-inner p{color:var(--muted);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.stripes-layer{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(237,241,234,.06) 0 2px,transparent 2px 14px);
}

/* ---------- footer ---------- */
.site-footer{position:relative;background:#08110E;border-top:1px solid var(--line);overflow:hidden}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-top:72px;padding-bottom:56px;
}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-top:16px;max-width:320px}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:var(--muted);margin-bottom:18px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--text)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  position:relative;z-index:2;
  border-top:1px solid var(--line);
  padding-top:22px;padding-bottom:32px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  h1.article-title{font-size:38px}
  .article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 290px}
}
@media (max-width:1023px){
  .nav-links{gap:24px}
  .nav-links a{font-size:14px}
  .article-layout{grid-template-columns:1fr;gap:0}
  .article-side{display:none}
  .section{padding:72px 0}
  h2.sec-title{font-size:28px}
  .cta-inner{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .nav-main,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-actions{gap:10px}
  h1.article-title{font-size:30px}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:24px}
  .article-content h3{font-size:20px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding-top:56px;padding-bottom:40px}
  .section{padding:56px 0}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:519px){
  .container{padding:0 18px}
  h1.article-title{font-size:26px}
  h2.sec-title{font-size:24px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-meta{gap:10px}
  .empty-article{padding:36px 20px}
}

/* roulang page: category1 */
:root{
  --bg:#0B1412;
  --surface:#121F1B;
  --surface-2:#0F1C18;
  --light:#F4F6F2;
  --brand:#0E3B2E;
  --accent:#B7F03C;
  --accent-hi:#C9FF5C;
  --accent-2:#FF8A3D;
  --text:#EDF1EA;
  --muted:#9BB0A6;
  --ink:#0B1412;
  --ink-muted:#4A5A52;
  --line:rgba(237,241,234,0.10);
  --line-strong:rgba(237,241,234,0.28);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --pill:999px;
  --shadow-dark:0 18px 40px -20px rgba(0,0,0,0.65);
  --shadow-light:0 10px 30px -18px rgba(11,20,18,0.18);
  --font-sans:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald",var(--font-sans);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
}

*,*::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:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);letter-spacing:.02em;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,20,18,0.92);
  border-bottom:1px solid rgba(237,241,234,0.08);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 14px 32px -22px rgba(0,0,0,0.9);}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.06em;}
.logo-pill{
  border:1px solid var(--accent);color:var(--accent);
  font-size:11px;line-height:1;letter-spacing:.12em;
  padding:4px 8px;border-radius:var(--pill);
}
.nav-main{flex:1;display:flex;justify-content:center;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;transition:color var(--t);
}
.nav-links a:hover{color:#FFFFFF;}
.nav-links a.active{color:var(--accent);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);
}
.nav-links a.active::before{
  content:"";position:absolute;left:-14px;top:50%;width:4px;height:4px;
  border-radius:50%;background:var(--accent);transform:translateY(-50%);
}
.nav-cta{
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:9px 18px;font-size:14px;font-weight:500;
  transition:border-color var(--t),color var(--t);
}
.nav-cta:hover{border-color:var(--accent);color:var(--accent);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:10px;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:1px;background:var(--text);position:relative;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1px;background:var(--text);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

.nav-drawer{
  display:none;position:fixed;inset:60px 0 0 0;z-index:55;
  background:var(--bg);padding:28px 24px 32px;
  flex-direction:column;justify-content:space-between;
}
.nav-drawer.is-open{display:flex;}
.nav-drawer ul{display:flex;flex-direction:column;gap:20px;}
.nav-drawer a{font-size:17px;font-weight:500;}
.nav-drawer a.active{color:var(--accent);}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--surface-2);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);padding:14px 0;
}
.crumb a{transition:color var(--t);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{width:1px;height:12px;background:var(--line-strong);}
.crumb .current{color:var(--text);}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#0B1412 0%,rgba(11,20,18,0.94) 36%,rgba(11,20,18,0.55) 68%,rgba(11,20,18,0.82) 100%);
}
.hero-mesh{
  position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:
    repeating-linear-gradient(90deg,rgba(237,241,234,0.07) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(237,241,234,0.05) 0 1px,transparent 1px 96px);
}
.hero-inner{position:relative;padding:96px 0 88px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.06em;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--pill);
  padding:7px 14px;margin-bottom:22px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.page-hero h1{
  font-size:44px;line-height:1.15;font-weight:700;letter-spacing:.01em;
}
.page-hero h1 .h1-tail{
  display:inline-block;font-size:22px;font-weight:500;color:var(--accent);
  letter-spacing:.04em;margin-left:12px;vertical-align:middle;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:620px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat{
  border:1px solid var(--line);border-radius:var(--r-img);
  background:rgba(237,241,234,0.04);padding:12px 18px;min-width:132px;
}
.stat-num{font-family:var(--font-num);font-size:26px;font-weight:600;color:var(--accent);line-height:1.1;}
.stat-label{font-size:12px;letter-spacing:.06em;color:var(--muted);margin-top:4px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);font-size:15px;font-weight:700;
  padding:14px 28px;transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:var(--accent-hi);box-shadow:0 10px 24px -10px rgba(183,240,60,0.5);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text);font-weight:500;}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-on-light{background:var(--brand);color:#EDF1EA;}
.btn-on-light:hover{background:#134F3C;box-shadow:var(--shadow-light);}
.btn-ghost-on-light{border:1px solid rgba(11,20,18,0.28);color:var(--ink);font-weight:500;}
.btn-ghost-on-light:hover{border-color:var(--brand);color:var(--brand);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14px;font-weight:500;
  transition:gap var(--t);
}
.link-arrow:hover{gap:10px;text-decoration:underline;text-underline-offset:3px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  font-size:12px;letter-spacing:.06em;color:var(--accent);
  display:inline-block;margin-bottom:14px;
}
.section-title{font-size:31px;line-height:1.3;font-weight:700;}
.section-desc{margin-top:16px;font-size:16px;color:var(--muted);}

/* ---------- 筛选胶囊 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:9px 20px;font-size:14px;color:var(--muted);
  transition:border-color var(--t),color var(--t),background var(--t);
}
.chip:hover{border-color:var(--accent);color:var(--text);}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700;}
.filter-hint{font-size:13px;color:var(--muted);margin-bottom:24px;}

/* ---------- 赛事卡流 ---------- */
.event-list{display:flex;flex-direction:column;gap:24px;}
.event-card{
  display:grid;grid-template-columns:400px minmax(0,1fr);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-dark);
  transition:transform var(--t),border-color var(--t);
}
.event-card:hover{transform:translateY(-4px);border-color:var(--accent);}
.event-media{position:relative;overflow:hidden;min-height:250px;}
.event-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.event-card:hover .event-media img{transform:scale(1.03);}
.event-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,20,18,0.45) 0%,rgba(11,20,18,0.05) 45%,rgba(11,20,18,0.6) 100%);
}
.badge{
  display:inline-block;border-radius:var(--pill);
  font-size:12px;letter-spacing:.06em;padding:5px 12px;
  border:1px solid var(--line-strong);color:var(--text);
}
.badge-warn{border-color:var(--accent-2);color:var(--accent-2);}
.badge-lime{border-color:var(--accent);color:var(--accent);}
.event-media .badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(11,20,18,0.7);}
.event-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px;}
.event-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted);letter-spacing:.04em;}
.event-meta .num{font-size:15px;color:var(--text);letter-spacing:.02em;}
.event-body h3{font-size:22px;font-weight:700;line-height:1.4;}
.event-desc{font-size:15px;color:var(--muted);}
.event-points{display:flex;flex-direction:column;gap:8px;}
.event-points li{
  position:relative;padding-left:16px;font-size:14.5px;color:var(--text);
}
.event-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  border-radius:50%;border:1px solid var(--accent);
}
.progress{margin-top:auto;}
.progress-head{display:flex;justify-content:space-between;align-items:baseline;font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.progress-head b{font-family:var(--font-num);font-size:19px;color:var(--accent);font-weight:600;}
.track{
  position:relative;height:6px;border-radius:var(--pill);
  background:rgba(237,241,234,0.10);overflow:hidden;
}
.track-fill{
  display:block;height:100%;border-radius:var(--pill);
  background:linear-gradient(90deg,var(--accent) 0%,var(--accent-2) 100%);
}
.event-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);padding-top:16px;margin-top:4px;
}
.event-foot .spot{font-size:13px;color:var(--muted);}
.event-card.is-hidden{display:none;}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.steps::before{
  content:"";position:absolute;left:24px;right:24px;top:26px;height:1px;
  background:var(--line-strong);
}
.step{padding:0 22px 0 0;position:relative;}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.step-dot{
  width:10px;height:10px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 5px var(--bg);position:relative;z-index:1;
}
.step-num{
  font-family:var(--font-num);font-size:30px;font-weight:600;
  color:rgba(237,241,234,0.22);line-height:1;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);max-width:250px;}

/* ---------- 浅色区块 ---------- */
.light-block{background:var(--light);color:var(--ink);}
.light-block .section-tag{color:var(--brand);}
.light-block .section-desc{color:var(--ink-muted);}
.light-block .section-title{color:var(--ink);}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:#FFFFFF;border:1px solid rgba(11,20,18,0.10);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-light);transition:transform var(--t),border-color var(--t);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--brand);}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.scene-body p{font-size:14.5px;color:var(--ink-muted);}
.scene-list{margin-top:14px;display:flex;flex-direction:column;gap:7px;}
.scene-list li{font-size:14px;color:var(--ink);position:relative;padding-left:15px;}
.scene-list li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  border-radius:50%;background:var(--brand);
}
.data-strip{
  margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(11,20,18,0.14);padding-top:34px;gap:24px;
}
.data-item .num{font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--brand);line-height:1;}
.data-item span{display:block;font-size:13px;color:var(--ink-muted);margin-top:8px;letter-spacing:.04em;}

/* ---------- FAQ ---------- */
.faq{max-width:840px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:16px;font-weight:500;text-align:left;
  transition:color var(--t);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 14px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--accent);transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{left:0;top:6.5px;width:14px;height:1px;}
.faq-icon::after{left:6.5px;top:0;width:1px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms var(--ease);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{padding:0 34px 24px 0;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stripes-layer{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(237,241,234,0.07) 0 2px,transparent 2px 16px);
}
.cta-inner{
  position:relative;padding:72px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:700;max-width:620px;}
.cta-inner p{margin-top:12px;font-size:16px;color:rgba(237,241,234,0.78);max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:#08110E;border-top:1px solid var(--line);}
.footer-grid{
  position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding:72px 0 56px;
}
.footer-brand p{margin-top:18px;font-size:14.5px;color:var(--muted);max-width:320px;}
.footer-col h4{
  font-size:13px;letter-spacing:.06em;color:var(--text);
  font-weight:600;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);transition:color var(--t);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  position:relative;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:22px 24px 26px;
}
.footer-bottom p{font-size:13px;color:var(--muted);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .event-card{grid-template-columns:340px minmax(0,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .page-hero h1{font-size:38px;}
  .page-hero h1 .h1-tail{font-size:19px;display:block;margin:10px 0 0;}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .steps::before{display:none;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .data-strip{grid-template-columns:repeat(2,1fr);row-gap:32px;}
}
@media (max-width:900px){
  .nav-main,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{height:60px;}
  .nav-drawer{inset:60px 0 0 0;}
  .page-hero h1{font-size:31px;}
  .hero-inner{padding:64px 0 56px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-title{font-size:26px;}
  .event-card{grid-template-columns:1fr;}
  .event-media{min-height:200px;aspect-ratio:16/9;}
  .event-body{padding:22px 20px;}
  .scene-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:56px 0 40px;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-inner{padding:56px 0;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-hero h1{font-size:27px;}
  .stat{flex:1 1 calc(50% - 6px);min-width:0;padding:10px 14px;}
  .stat-num{font-size:22px;}
  .steps{grid-template-columns:1fr;}
  .step{padding-right:0;}
  .step p{max-width:none;}
  .data-strip{grid-template-columns:1fr 1fr;gap:20px;}
  .data-item .num{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;}
  .event-body h3{font-size:19px;}
  .faq-q{font-size:15px;padding:18px 0;}
}

/* roulang page: category3 */
:root{
  --bg:#0B1412;
  --surface:#121F1B;
  --surface-2:#0F1C18;
  --light:#F4F6F2;
  --brand:#0E3B2E;
  --accent:#B7F03C;
  --accent-hi:#C9FF5C;
  --amber:#FF8A3D;
  --text:#EDF1EA;
  --muted:#9BB0A6;
  --ink:#0B1412;
  --ink-muted:#4A5A52;
  --line:rgba(237,241,234,.10);
  --line-strong:rgba(237,241,234,.28);
  --line-dark:rgba(11,20,18,.12);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.65);
  --shadow-light:0 10px 30px -18px rgba(11,20,18,.18);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --num:"Barlow Condensed","Oswald","HarmonyOS Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),opacity var(--t)}
a:hover{color:var(--accent)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.2;font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.img-fallback{background:#12211C}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,20,18,.92);
  border-bottom:1px solid rgba(237,241,234,.08);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.scrolled{box-shadow:0 14px 30px -22px rgba(0,0,0,.9)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.header-inner{gap:24px}
.logo{display:inline-flex;align-items:center;gap:9px;flex:none}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--text)}
.logo-pill{
  font-size:11px;letter-spacing:.12em;line-height:1;
  padding:5px 8px;border:1px solid var(--accent);border-radius:var(--r-pill);
  color:var(--accent);font-weight:600;
}
.logo:hover .logo-text{color:var(--accent)}
.nav-main{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--muted);line-height:72px;
}
.nav-links a::before{
  content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%) scale(0);transition:transform var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active::before{transform:translateY(-50%) scale(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1px;background:var(--text);transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  display:none;position:fixed;inset:60px 0 0 0;background:var(--bg);z-index:55;
  padding:28px 24px 36px;border-top:1px solid var(--line);
}
.nav-drawer.open{display:flex;flex-direction:column;gap:22px;overflow-y:auto}
.nav-drawer a{font-size:17px;font-weight:500;color:var(--text)}
.nav-drawer a.active{color:var(--accent)}
.nav-drawer .btn{margin-top:8px;width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hi);color:var(--ink);box-shadow:0 10px 24px -10px rgba(183,240,60,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-dark{background:var(--brand);color:var(--light)}
.btn-dark:hover{background:#124a3b;color:var(--light)}
.link-arrow{
  color:var(--accent);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px;padding-left:3px}

/* ============ 面包屑 & 页头 ============ */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.crumb li{display:flex;align-items:center;gap:10px}
.crumb li+li::before{content:"";width:14px;height:1px;background:var(--line-strong);display:inline-block}
.crumb a:hover{color:var(--accent)}
.crumb .current{color:var(--text)}

.page-hero{
  position:relative;overflow:hidden;
  margin-top:22px;border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(90deg,#0B1412 0%,rgba(11,20,18,.90) 45%,rgba(11,20,18,.35) 100%),
             url("/assets/images/backpic/back-2.png") right center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(237,241,234,.07) 0 1px,transparent 1px 14px);
  opacity:.9;
}
.page-hero-inner{position:relative;z-index:2;padding:64px 56px 60px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.06em;color:var(--muted);margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.eyebrow .rule{width:34px;height:1px;background:var(--line-strong)}
.page-hero h1{font-size:46px;font-weight:700;line-height:1.15;letter-spacing:-.01em}
.page-hero .lede{margin-top:18px;font-size:17px;color:var(--muted);max-width:620px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(18,31,27,.6);
}
.stat-pill .num{font-family:var(--num);font-size:22px;font-weight:600;color:var(--accent);line-height:1}
.stat-pill .lbl{font-size:12px;letter-spacing:.06em;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ============ 版块 ============ */
.section{padding:96px 0}
.section-light{background:var(--light);color:var(--ink)}
.section-light .section-sub{color:var(--ink-muted)}
.section-head{max-width:720px;margin-bottom:44px}
.section-tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--accent);
  border:1px solid rgba(183,240,60,.45);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:16px;
}
.section-light .section-tag{color:var(--brand);border-color:rgba(14,59,46,.35)}
.section-head h2{font-size:31px;letter-spacing:-.01em}
.section-sub{margin-top:14px;font-size:16px;color:var(--muted)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ============ 奖励档位卡 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.reward-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.reward-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#12211C}
.reward-card .thumb img{width:100%;height:100%;transition:transform var(--t)}
.reward-card:hover .thumb img{transform:scale(1.03)}
.tier-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--amber);color:var(--amber);background:rgba(11,20,18,.72);
}
.reward-body{padding:22px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.reward-body h3{font-size:18px}
.reward-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.reward-meta{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.reward-meta .score{font-family:var(--num);font-size:24px;font-weight:600;color:var(--accent);line-height:1}
.reward-meta .score span{font-family:var(--font);font-size:12px;color:var(--muted);margin-left:6px;letter-spacing:.06em}
.reward-card.is-featured{
  border-color:var(--accent);box-shadow:0 0 0 1px rgba(183,240,60,.35),var(--shadow);
}
.reward-card.is-featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--accent),var(--amber));z-index:3;
}
.tier-flag{
  position:absolute;top:14px;right:14px;z-index:2;
  font-size:11px;letter-spacing:.1em;padding:5px 10px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);font-weight:700;
}

/* ============ 权益对照 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  background:#fff;border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--shadow-light);
}
.compare-col h3{font-size:22px;color:var(--ink)}
.compare-col .compare-sub{margin-top:8px;font-size:14px;color:var(--ink-muted)}
.compare-list{margin-top:22px}
.compare-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 0;border-bottom:1px solid var(--line-dark);
  font-size:15px;color:var(--ink);
}
.compare-list li:last-child{border-bottom:0}
.compare-list li em{
  font-style:normal;font-family:var(--num);font-size:15px;letter-spacing:.04em;
  color:var(--ink-muted);
}
.compare-col.is-strong{border-color:var(--brand);background:linear-gradient(180deg,#F7FBF3,#F4F6F2)}
.compare-col.is-strong h3{color:var(--brand)}
.compare-col.is-strong .compare-list li em{color:var(--brand);font-weight:600}
.compare-note{margin-top:18px;font-size:13.5px;color:var(--ink-muted)}

/* ============ 进度轨道 ============ */
.progress-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 30px 26px;
}
.progress-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.progress-head h3{font-size:22px}
.progress-head p{margin-top:8px;font-size:14.5px;color:var(--muted);max-width:560px}
.progress-next{text-align:right}
.progress-next .num{font-family:var(--num);font-size:40px;font-weight:600;color:var(--accent);line-height:1;display:block}
.progress-next .unit{font-size:12px;letter-spacing:.06em;color:var(--muted)}
.track{position:relative;height:6px;border-radius:var(--r-pill);background:rgba(237,241,234,.10);margin:44px 0 0}
.track .fill{position:absolute;left:0;top:0;bottom:0;width:58%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--accent),var(--amber))}
.track .node{
  position:absolute;top:50%;width:16px;height:16px;border-radius:50%;
  transform:translate(-50%,-50%);background:var(--bg);border:1px solid var(--line-strong);
}
.track .node.done{background:var(--accent);border:2px solid var(--surface-2)}
.track .node.current{background:var(--accent-hi);border:3px solid rgba(183,240,60,.3);box-shadow:0 0 0 1px var(--accent)}
.track .node:nth-of-type(1){left:0}
.track .node:nth-of-type(2){left:33%}
.track .node:nth-of-type(3){left:66%}
.track .node:nth-of-type(4){left:100%}
.track-labels{display:grid;grid-template-columns:repeat(4,1fr);margin-top:18px;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.track-labels span:nth-child(1){text-align:left}
.track-labels span:nth-child(2){text-align:center}
.track-labels span:nth-child(3){text-align:center}
.track-labels span:nth-child(4){text-align:right}
.track-labels b{display:block;font-family:var(--num);font-size:15px;color:var(--text);font-weight:600;margin-bottom:4px}
.progress-foot{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:14px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq{max-width:840px;margin:0 auto}
.faq-item{border-top:1px solid var(--line-dark)}
.faq-item:last-child{border-bottom:1px solid var(--line-dark)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:16px;font-weight:500;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform 200ms cubic-bezier(.2,.7,.3,1);
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 0 24px;font-size:15px;line-height:1.8;color:var(--ink-muted);max-width:760px}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,20,18,.96),rgba(11,20,18,.75)),
             url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.stripes-layer{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(237,241,234,.06) 0 1px,transparent 1px 16px);
}
.cta-inner{position:relative;z-index:2;padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;max-width:620px}
.cta-inner p{margin-top:14px;font-size:16px;color:var(--muted);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:#08110E;border-top:1px solid var(--line);overflow:hidden}
.footer-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding:72px 24px 48px;
}
.footer-brand p{margin-top:18px;font-size:14.5px;color:var(--muted);max-width:320px;line-height:1.8}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:var(--text);font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;padding:22px 24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .page-hero-inner{padding:56px 44px}
  .page-hero h1{font-size:42px}
}
@media (max-width:1024px){
  .nav-links{gap:22px}
  .nav-links a{font-size:14px}
  .reward-grid{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:860px){
  .nav-main{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px}
  .header-actions .btn-sm{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-hero-inner{padding:44px 26px 48px;max-width:none}
  .page-hero h1{font-size:34px}
  .page-hero .lede{font-size:15.5px}
  .page-hero{background:linear-gradient(180deg,rgba(11,20,18,.72) 0%,rgba(11,20,18,.94) 62%,#0B1412 100%),
              url("/assets/images/backpic/back-2.png") center top/cover no-repeat}
  .reward-grid{grid-template-columns:1fr}
  .track-labels b{font-size:13px}
  .cta-inner{padding:56px 0}
  .cta-inner h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:56px 20px 36px}
  .footer-bottom{padding:20px}
  .section{padding:56px 0}
}
@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 18px}
  .page-hero h1{font-size:29px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .track-labels{grid-template-columns:repeat(2,1fr);gap:10px}
  .track-labels span{text-align:left!important}
  .progress-panel{padding:24px 20px 20px}
  .compare-col{padding:22px 20px}
}

/* roulang page: category2 */
:root{
  --bg:#0B1412;
  --surface:#121F1B;
  --surface-2:#0F1C18;
  --light:#F4F6F2;
  --brand:#0E3B2E;
  --accent:#B7F03C;
  --accent-hi:#C9FF5C;
  --accent-2:#FF8A3D;
  --text:#EDF1EA;
  --muted:#9BB0A6;
  --line:rgba(237,241,234,.10);
  --line-strong:rgba(237,241,234,.28);
  --ink:#0B1412;
  --ink-soft:#4A5A52;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-dark:0 18px 40px -20px rgba(0,0,0,.65);
  --shadow-light:0 10px 30px -18px rgba(11,20,18,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Oswald","HarmonyOS Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:rgba(183,240,60,.28);color:#fff}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-light{background:var(--light);color:var(--ink)}
.section-light .section-lead,.section-light p{color:var(--ink-soft)}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block}
.section-light .eyebrow{color:#0E3B2E}
.section-light .eyebrow::before{background:#0E3B2E}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,20,18,.92);
  border-bottom:1px solid rgba(237,241,234,.08);
  transition:box-shadow .18s var(--ease),background .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 14px 32px -22px rgba(0,0,0,.9)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:8px}
.logo-text{
  font-family:var(--font-num);
  font-size:23px;font-weight:700;letter-spacing:.02em;color:var(--text);
}
.logo-pill{
  font-size:11px;letter-spacing:.12em;line-height:1.6;
  padding:1px 8px;border:1px solid var(--accent);color:var(--accent);
  border-radius:999px;font-weight:600;
}
.nav-main{display:flex;align-items:center}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--muted);
  padding:6px 0;transition:color .18s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--accent);
}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-toggle{
  display:none;width:44px;height:44px;position:relative;
  border:1px solid var(--line-strong);border-radius:10px;
  transition:border-color .18s var(--ease);
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:1px;background:var(--text);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer-cta{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1.2;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hi);box-shadow:0 10px 24px -10px rgba(183,240,60,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-dark{background:#0E3B2E;color:#EDF1EA}
.btn-dark:hover{background:#124B3A}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
  transition:gap .18s var(--ease),color .18s var(--ease);
}
.link-arrow:hover{gap:10px;text-decoration:underline}
.section-light .link-arrow{color:#0E3B2E}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#08110E;border-bottom:1px solid var(--line)}
.page-hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.55;
}
.page-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,20,18,.96) 0%,rgba(11,20,18,.88) 44%,rgba(11,20,18,.42) 100%);
}
.grid-layer{
  position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(237,241,234,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(237,241,234,.06) 1px,transparent 1px);
  background-size:88px 88px;
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 72px;max-width:820px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(237,241,234,.28)}
.breadcrumb .current{color:var(--text)}
.tag-status{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.12em;color:var(--muted);
  padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  background:rgba(14,59,46,.55);margin-bottom:20px;
}
.tag-status i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.page-hero h1{
  font-size:44px;line-height:1.15;font-weight:700;letter-spacing:-.01em;margin-bottom:18px;
}
.page-hero h1 .h1-brand{
  display:block;font-family:var(--font-num);font-size:26px;letter-spacing:.02em;
  color:var(--accent);font-weight:600;margin-bottom:6px;
}
.page-hero .hero-desc{
  font-size:17px;line-height:1.8;color:#C6D2CB;max-width:660px;margin-bottom:28px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 18px;border:1px solid var(--line);border-radius:999px;
  background:rgba(18,31,27,.72);
}
.stat-pill b{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--accent);line-height:1}
.stat-pill span{font-size:12px;letter-spacing:.06em;color:var(--muted)}

/* ---------- Rules layout ---------- */
.rules-layout{display:grid;grid-template-columns:256px minmax(0,1fr);gap:56px;align-items:start}
.rules-aside{position:sticky;top:104px}
.aside-title{
  font-size:13px;letter-spacing:.06em;color:var(--muted);
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.anchor-list li{margin:0}
.anchor-list a{
  display:block;position:relative;
  padding:11px 0 11px 16px;border-left:1px solid var(--line);
  font-size:15px;color:var(--muted);transition:color .18s var(--ease),border-color .18s var(--ease);
}
.anchor-list a:hover{color:var(--text)}
.anchor-list a.is-current{color:var(--accent);border-left-color:var(--accent)}
.aside-card{
  margin-top:26px;padding:22px;border-radius:var(--radius-card);
  background:var(--brand);border:1px solid var(--line);
  box-shadow:var(--shadow-dark);
}
.aside-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.aside-card p{font-size:14px;color:#B9C7C0;line-height:1.75;margin-bottom:16px}
.aside-card .btn{font-size:14px;padding:11px 20px;width:100%}

.rule-block{padding-bottom:48px;margin-bottom:48px;border-bottom:1px solid var(--line)}
.rule-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.rule-block h2{font-size:30px;line-height:1.25;font-weight:700;margin-bottom:16px}
.rule-block h3{font-size:22px;font-weight:600;margin:28px 0 12px}
.rule-block .block-lead{font-size:16.5px;line-height:1.85;color:#C6D2CB;margin-bottom:20px}
.rule-block p.body{font-size:16.5px;color:var(--muted);line-height:1.85;margin-bottom:16px}

.figure-block{margin:26px 0;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line)}
.figure-block img{width:100%;aspect-ratio:21/9;object-fit:cover;transition:transform .4s var(--ease)}
.figure-block:hover img{transform:scale(1.03)}
.figure-block figcaption{font-size:12.5px;letter-spacing:.04em;color:var(--muted);padding:12px 16px;background:var(--surface)}

.mode-list{border-top:1px solid var(--line)}
.mode-item{
  display:grid;grid-template-columns:200px minmax(0,1fr);
  gap:24px;padding:18px 0;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.mode-item:hover{background:rgba(18,31,27,.55)}
.mode-item .mode-name{font-size:16px;font-weight:600;color:var(--text)}
.mode-item .mode-desc{font-size:14.5px;color:var(--muted)}

.point-list{margin-top:16px}
.point-list li{
  position:relative;padding:14px 0 14px 26px;
  border-bottom:1px solid var(--line);font-size:15.5px;color:var(--muted);
}
.point-list li:first-child{border-top:1px solid var(--line)}
.point-list li::before{
  content:"";position:absolute;left:0;top:24px;
  width:10px;height:1px;background:var(--accent);
}
.point-list li b{color:var(--text);font-weight:600}

/* ---------- Steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:30px;
}
.step{
  position:relative;padding:34px 22px 0 22px;border-top:1px solid var(--line);
}
.step::before{
  content:"";position:absolute;left:22px;top:-5px;
  width:10px;height:10px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(183,240,60,.12);
}
.step-num{
  font-family:var(--font-num);font-size:34px;font-weight:700;
  color:rgba(237,241,234,.22);line-height:1;letter-spacing:.02em;
}
.step h3{font-size:18px;font-weight:600;margin:10px 0 10px;color:var(--text)}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- Speed check grid ---------- */
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;margin-bottom:16px}
.section-lead{font-size:16.5px;color:var(--muted);line-height:1.85}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.check-item{
  display:flex;gap:18px;padding:24px 0;
  border-top:1px solid rgba(11,20,18,.14);
}
.check-num{
  font-family:var(--font-num);font-size:20px;font-weight:700;
  color:#0E3B2E;line-height:1.4;flex:none;width:34px;
}
.check-item h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.check-item p{font-size:14.5px;line-height:1.8;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:500;color:var(--text);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-icon{position:relative;width:16px;height:16px;flex:none;margin-top:7px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--accent)}
.faq-icon::before{left:0;right:0;top:50%;height:1px;transform:translateY(-50%)}
.faq-icon::after{top:0;bottom:0;left:50%;width:1px;transform:translateX(-50%);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq-item[open] .faq-icon::after{transform:translateX(-50%) scaleY(0);opacity:0}
.faq-answer{
  padding:0 48px 26px 0;
  font-size:15px;line-height:1.85;color:var(--muted);
  animation:fade .22s var(--ease);
}
@keyframes fade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:80px 0;
}
.cta-band .stripes-layer{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(237,241,234,.07) 0 2px,transparent 2px 16px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:40px;align-items:center}
.cta-inner h2{font-size:32px;line-height:1.25;font-weight:700;margin-bottom:14px}
.cta-inner p{font-size:16px;color:#C1CFC8;line-height:1.8;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Footer ---------- */
.site-footer{position:relative;overflow:hidden;background:#08110E;padding:72px 0 0}
.site-footer .stripes-layer{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(237,241,234,.05) 0 2px,transparent 2px 18px);
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:56px;border-top:1px solid var(--line);padding-top:56px;
}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-top:16px;max-width:320px}
.footer-col h4{
  font-size:13px;letter-spacing:.06em;color:var(--text);
  font-weight:600;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--muted);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:24px;padding-bottom:28px;
}
.footer-bottom p{font-size:13px;color:rgba(155,176,166,.85)}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .page-hero h1{font-size:40px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .rules-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .rules-aside{position:static}
  .anchor-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .anchor-list li{flex:none}
  .anchor-list a{
    border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:9px 16px;white-space:nowrap;font-size:14px;
  }
  .anchor-list a.is-current{border-color:var(--accent);background:rgba(183,240,60,.08)}
  .aside-card{margin-top:18px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 0}
  .step{padding:30px 20px 26px 20px}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .header-inner{height:60px}
  .nav-toggle{display:block}
  .nav-main{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:70;
    background:var(--bg);
    border-top:1px solid var(--line);
    padding:30px 24px 40px;
    display:flex;flex-direction:column;justify-content:space-between;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
    overflow-y:auto;
  }
  .nav-main.is-open{opacity:1;visibility:visible;transform:none}
  .nav-links{flex-direction:column;align-items:flex-start;gap:20px;width:100%}
  .nav-links a{font-size:17px;padding:4px 0}
  .nav-links a.active::before{display:none}
  .nav-links a.active::after{bottom:-4px}
  .nav-drawer-cta{display:inline-flex;width:100%;margin-top:32px}
  .page-hero-inner{padding:36px 0 52px;max-width:none}
  .page-hero-img{opacity:.42}
  .page-hero-mask{background:linear-gradient(180deg,rgba(11,20,18,.82) 0%,rgba(11,20,18,.94) 55%,rgba(11,20,18,.98) 100%)}
  .page-hero h1{font-size:31px}
  .page-hero h1 .h1-brand{font-size:20px}
  .page-hero .hero-desc{font-size:16px}
  .hero-stats{gap:10px}
  .stat-pill{padding:8px 14px}
  .stat-pill b{font-size:19px}
  .rule-block h2{font-size:24px}
  .rule-block h3{font-size:19px}
  .mode-item{grid-template-columns:minmax(0,1fr);gap:6px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .step{border-top:1px solid var(--line);padding:26px 0 22px 0}
  .step::before{left:0}
  .check-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .section-head h2{font-size:25px}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:25px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .page-hero h1{font-size:27px}
  .page-hero .hero-desc{font-size:15px}
  .btn{padding:13px 22px;font-size:14.5px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-answer{padding-right:0}
  .faq-item summary{font-size:15px}
}

/* roulang page: category4 */
:root{
  --bg:#0B1412;
  --surface:#121F1B;
  --surface-2:#0F1C18;
  --light:#F4F6F2;
  --brand:#0E3B2E;
  --accent:#B7F03C;
  --accent-hi:#C9FF5C;
  --amber:#FF8A3D;
  --text:#EDF1EA;
  --muted:#9BB0A6;
  --line:rgba(237,241,234,.10);
  --line-strong:rgba(237,241,234,.28);
  --light-text:#0B1412;
  --light-muted:#4A5A52;
  --light-line:rgba(11,20,18,.12);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --shadow-dark:0 18px 40px -20px rgba(0,0,0,.65);
  --shadow-light:0 10px 30px -18px rgba(11,20,18,.18);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;
}

*,*::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:var(--font);font-size:16.5px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
select option{background:#0F1C18;color:#EDF1EA}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(183,240,60,.28)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-light{background:var(--light);color:var(--light-text)}
.section-light .muted{color:var(--light-muted)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,20,18,.92);
  border-bottom:1px solid rgba(237,241,234,.08);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 14px 34px -24px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}

.logo{display:inline-flex;align-items:center;gap:8px}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.logo-pill{
  font-size:11px;letter-spacing:.12em;line-height:1.2;padding:3px 8px;
  border:1px solid var(--accent);color:var(--accent);border-radius:999px;
  font-weight:500;
}

.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color var(--t);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);
}
.nav-links a.active::before{
  content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%);
}

.header-actions{display:flex;align-items:center;gap:12px}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line-strong);
  border-radius:10px;background:transparent;cursor:pointer;
  position:relative;transition:border-color var(--t);
}
.nav-toggle:hover{border-color:var(--accent)}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:1px;background:var(--text);
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:25px}

/* ============ 移动抽屉 ============ */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:#0B1412;
  display:flex;flex-direction:column;
  padding:20px 18px 32px;
  transform:translateY(-100%);visibility:hidden;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),visibility 220ms;
}
.nav-drawer.open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:60px;margin-bottom:12px}
.drawer-close{
  width:42px;height:42px;border:1px solid var(--line-strong);border-radius:10px;
  background:transparent;cursor:pointer;color:var(--text);font-size:20px;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:20px;margin-top:18px}
.drawer-links a{
  font-size:18px;font-weight:500;color:var(--text);padding:10px 0;
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--accent)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  padding:14px 28px;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--accent);color:#0B1412}
.btn-primary:hover{background:var(--accent-hi);box-shadow:0 10px 24px -10px rgba(183,240,60,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled],.btn-primary.is-loading{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-dark{background:var(--brand);color:var(--text);border-color:transparent}
.btn-dark:hover{background:#12503C;box-shadow:0 10px 24px -14px rgba(14,59,46,.7)}
.section-light .btn-primary{background:var(--brand);color:var(--text)}
.section-light .btn-primary:hover{background:#12503C;box-shadow:0 10px 24px -14px rgba(14,59,46,.7)}

/* ============ 纹理母题 ============ */
.stripes-layer{
  position:absolute;inset:0;pointer-events:none;opacity:.85;
  background-image:repeating-linear-gradient(135deg,rgba(237,241,234,.07) 0 1px,transparent 1px 14px);
}
.grid-layer{
  position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:
    linear-gradient(rgba(237,241,234,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(237,241,234,.06) 1px,transparent 1px);
  background-size:64px 64px;
}

/* ============ 页面 Hero ============ */
.page-hero{position:relative;overflow:hidden;background:#0B1412;padding:56px 0 88px}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 420px at 88% 8%,rgba(183,240,60,.12),transparent 62%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}

.breadcrumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:24px;flex-wrap:wrap}
.breadcrumbs a{color:var(--muted);transition:color var(--t)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs .sep{color:rgba(237,241,234,.28)}
.breadcrumbs .current{color:var(--text)}

.status-tag{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.06em;color:var(--muted);margin-bottom:18px}
.status-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(183,240,60,.14)}
.status-tag .rule{width:44px;height:1px;background:var(--line-strong);display:inline-block}

.page-hero h1{font-size:46px;line-height:1.15;letter-spacing:-.01em;margin-bottom:18px}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:17px;color:var(--muted);max-width:620px;line-height:1.85}

.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 16px;border:1px solid var(--line);border-radius:999px;
  background:var(--surface);
}
.stat-pill b{font-family:var(--font-num);font-size:20px;font-weight:600;color:var(--accent);letter-spacing:.02em}
.stat-pill span{font-size:12px;color:var(--muted);letter-spacing:.06em}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.hero-visual{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-dark)}
.hero-visual img{width:100%;height:380px;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,20,18,.86) 0%,rgba(11,20,18,.22) 52%,rgba(11,20,18,.05) 100%);
}
.hero-visual .visual-label{
  position:absolute;left:20px;bottom:18px;z-index:2;
  font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;
}

/* ============ 搜索行 ============ */
.search-band{position:relative;background:var(--light);color:var(--light-text);padding:64px 0 0}
.search-row{
  display:flex;gap:12px;align-items:center;
  max-width:840px;
  background:#FFFFFF;border:1px solid var(--light-line);
  border-radius:999px;padding:8px 8px 8px 22px;
  box-shadow:var(--shadow-light);
}
.search-row .search-icon{
  width:18px;height:18px;flex:0 0 auto;border:1.5px solid var(--light-muted);
  border-radius:50%;position:relative;
}
.search-row .search-icon::after{
  content:"";position:absolute;right:-4px;bottom:-3px;width:7px;height:1.5px;
  background:var(--light-muted);transform:rotate(45deg);
}
.search-row input{
  flex:1;min-width:0;border:0;background:transparent;height:44px;font-size:15px;color:var(--light-text);
}
.search-row input::placeholder{color:#8C9B93}
.search-row input:focus{outline:none}
.search-row .btn{padding:12px 24px;font-size:14px}
.search-hint{margin-top:14px;font-size:13px;color:var(--light-muted);letter-spacing:.02em}

/* ============ FAQ 分组 ============ */
.faq-section{background:var(--light);color:var(--light-text);padding:48px 0 96px}
.faq-groups{display:flex;flex-direction:column;gap:56px}
.faq-group-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:16px;border-bottom:2px solid var(--light-text);
  margin-bottom:8px;
}
.faq-group-head h3{font-size:22px}
.faq-group-head span{font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--light-muted)}

.faq-list{max-width:840px}
.faq-item{border-bottom:1px solid var(--light-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:500;color:var(--light-text);
  transition:color var(--t);
}
.faq-q:hover{color:#0E3B2E}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto;color:#0E3B2E}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform 220ms cubic-bezier(.2,.7,.3,1),opacity 220ms}
.faq-icon::before{left:0;right:0;top:50%;height:1px;transform:translateY(-50%)}
.faq-icon::after{top:0;bottom:0;left:50%;width:1px;transform:translateX(-50%)}
.faq-item.open .faq-icon::after{transform:translateX(-50%) scaleY(0);opacity:0}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows 220ms cubic-bezier(.2,.7,.3,1);
}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--light-muted);
  padding:0 36px 22px 0;
}
.faq-empty{
  display:none;border:1px dashed var(--light-line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--light-muted);font-size:15px;
}
.faq-empty.show{display:block}

/* ============ 联系区 ============ */
.contact-section{position:relative;overflow:hidden;background:var(--bg);padding:96px 0}
.contact-grid{display:grid;grid-template-columns:1.35fr .8fr;gap:32px;align-items:start}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-dark);
}
.panel h3{font-size:22px;margin-bottom:10px}
.panel .panel-desc{font-size:14.5px;color:var(--muted);margin-bottom:26px}

.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;letter-spacing:.06em;color:var(--muted)}
.field input,.field select,.field textarea{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-input);
  height:48px;padding:0 14px;width:100%;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(183,240,60,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#6E827A}
.field.error input,.field.error select,.field.error textarea{border-color:var(--amber)}
.field .err-msg{display:none;font-size:12.5px;color:var(--amber)}
.field.error .err-msg{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-feedback{
  display:none;margin-top:20px;padding:16px 18px;border-radius:var(--r-input);
  border:1px solid rgba(183,240,60,.4);background:rgba(183,240,60,.08);
  color:var(--accent);font-size:14.5px;
}
.form-feedback.show{display:block}

.info-list{display:flex;flex-direction:column;gap:0}
.info-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.info-item:last-child{border-bottom:0}
.info-item .k{font-size:12.5px;letter-spacing:.06em;color:var(--muted);min-width:74px;padding-top:3px}
.info-item .v{font-size:15px;color:var(--text)}
.info-item .v b{font-family:var(--font-num);font-size:18px;color:var(--accent);letter-spacing:.02em}

.info-figure{margin-top:24px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);position:relative}
.info-figure img{width:100%;height:200px;object-fit:cover}
.info-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,20,18,0) 40%,rgba(11,20,18,.72) 100%)}
.info-figure figcaption{
  position:absolute;left:16px;bottom:14px;z-index:2;font-size:13px;color:var(--text);
}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--brand);padding:72px 0}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(237,241,234,.78);max-width:640px}

/* ============ 页脚 ============ */
.site-footer{position:relative;overflow:hidden;background:#08110E;border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;
}
.footer-brand p{font-size:14.5px;color:var(--muted);margin-top:16px;max-width:340px;line-height:1.85}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:var(--text);margin-bottom:18px;font-weight:500}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--muted);transition:color var(--t)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:22px;padding-bottom:28px;
}
.footer-bottom p{font-size:13px;color:var(--muted)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .page-hero{padding:44px 0 68px}
  .page-hero h1{font-size:38px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual img{height:300px}
  .hero-visual::after{background:linear-gradient(180deg,rgba(11,20,18,.15) 0%,rgba(11,20,18,.75) 100%)}
  .contact-grid{grid-template-columns:1fr}
  .contact-section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links{gap:22px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .header-actions .btn{display:none}
  .header-inner{height:60px}
  .page-hero h1{font-size:32px}
  .hero-sub{font-size:15.5px}
  .search-row{border-radius:var(--r-card);padding:14px;flex-direction:column;align-items:stretch}
  .search-row .search-icon{display:none}
  .search-row input{height:40px;padding:0 6px}
  .search-row .btn{width:100%}
  .panel{padding:22px}
  .form-row{grid-template-columns:1fr}
  .cta-inner h2{font-size:24px}
  .cta-inner .btn{width:100%}
  .info-item .k{min-width:66px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .page-hero{padding:32px 0 52px}
  .page-hero h1{font-size:27px}
  .hero-stats{gap:8px}
  .stat-pill{padding:8px 13px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:18px 0}
  .faq-a p{padding-right:20px}
}