/* roulang page: index */
:root{
  --bg-0:#060B14;
  --bg-1:#0A1220;
  --bg-2:#0F1A2B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --brand:#A8F04B;
  --brand-deep:#6FBF1F;
  --brand-glow:rgba(168,240,75,.28);
  --accent:#4FD1FF;
  --warn:#FF7A45;
  --text-1:#EAF1FA;
  --text-2:#A6B6C9;
  --text-3:#6E8098;
  --r-card:18px;
  --r-sm:16px;
  --r-img:20px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body.rh-body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.rh-wrap{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}
.rh-section{padding:96px 0}
.rh-section--tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--brand);background:rgba(168,240,75,.12);border:1px solid rgba(168,240,75,.24);border-radius:999px;height:26px;padding:0 12px;margin-bottom:16px}
.eyebrow--accent{color:var(--accent);background:rgba(79,209,255,.10);border-color:rgba(79,209,255,.28)}
h1.rh-h1{font-size:clamp(30px,5vw,52px);font-weight:700;line-height:1.15;letter-spacing:-.01em}
h2.rh-h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.005em}
h3.rh-h3{font-size:19px;font-weight:600;line-height:1.45}
.lead{color:var(--text-2);font-size:16px;line-height:1.85;margin-top:14px}
.muted{color:var(--text-3);font-size:13px;line-height:1.7;letter-spacing:.01em}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease)}
.btn-primary{background:var(--brand);color:#06120A;box-shadow:0 0 0 1px rgba(168,240,75,.35),0 10px 30px -10px rgba(168,240,75,.55)}
.btn-primary:hover{background:#BDFF6A;color:#06120A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(189,255,106,.5),0 16px 34px -12px rgba(168,240,75,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(79,209,255,.45);color:var(--accent)}
.btn-ghost:hover{background:rgba(79,209,255,.12);color:var(--accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:34px;padding:0 16px;font-size:13px;font-weight:600}
.btn-block{width:100%}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.55)}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);position:relative;padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);transition:width .22s var(--ease)}
.text-link:hover{color:var(--brand)}
.text-link:hover::after{width:100%}

/* 公告条 */
.notice{background:rgba(168,240,75,.10);border-bottom:1px solid rgba(168,240,75,.16)}
.notice-inner{display:flex;align-items:center;gap:12px;height:36px}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto;box-shadow:0 0 10px var(--brand-glow)}
.notice p{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto}
.notice-link{font-size:13px;font-weight:600;color:var(--brand);white-space:nowrap}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,11,20,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);position:relative;flex:0 0 auto;box-shadow:0 0 18px -6px var(--brand-glow)}
.logo-mark::before{content:"";position:absolute;left:9px;top:8px;width:16px;height:16px;border:2px solid #06120A;border-radius:4px;transform:rotate(45deg);opacity:.85}
.logo-mark::after{content:"";position:absolute;left:15px;top:14px;width:4px;height:4px;border-radius:50%;background:#06120A}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:10px;letter-spacing:.12em;color:var(--text-3);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;font-size:14.5px;color:var(--text-2);transition:color .22s var(--ease)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);align-items:center;justify-content:center;cursor:pointer;transition:border-color .22s var(--ease),background .22s var(--ease)}
.nav-toggle:hover{border-color:rgba(168,240,75,.45);background:rgba(168,240,75,.08)}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.55)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{display:none;position:fixed;left:0;right:0;top:0;bottom:0;z-index:70;background:rgba(6,11,20,.96);backdrop-filter:blur(14px);padding:20px 24px 32px;flex-direction:column;overflow-y:auto}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text-1);font-size:20px;cursor:pointer}
.drawer-close:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.55)}
.drawer-nav{margin-top:16px;display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;font-size:16px;color:var(--text-1);border-bottom:1px solid var(--line)}
.drawer-nav a span{color:var(--text-3);font-size:14px}
.drawer-cta{margin-top:28px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:76px 0 96px;background:var(--bg-0)}
.hero::before{content:"";position:absolute;top:-160px;right:-140px;width:680px;height:680px;background:radial-gradient(circle,rgba(168,240,75,.09),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 28px);opacity:.35;pointer-events:none;mask-image:linear-gradient(to bottom,#000 0%,transparent 82%);-webkit-mask-image:linear-gradient(to bottom,#000 0%,transparent 82%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy h1{max-width:16em}
.hero-tagline{color:var(--text-2);font-size:16.5px;line-height:1.85;margin-top:20px;max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats{display:flex;align-items:stretch;gap:0;margin-top:44px;flex-wrap:wrap}
.hero-stat{padding-right:28px;margin-right:28px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stat b{display:block;font-size:22px;font-weight:700;color:var(--text-1);line-height:1.2}
.hero-stat span{display:block;font-size:12px;color:var(--text-3);margin-top:6px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);box-shadow:0 40px 70px -40px rgba(0,0,0,.95)}
.hero-float{position:absolute;left:-16px;bottom:-26px;display:flex;align-items:center;gap:16px;padding:14px 18px;border-radius:16px;background:rgba(15,26,43,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(168,240,75,.25);box-shadow:0 20px 40px -24px rgba(0,0,0,.9)}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand-glow);flex:0 0 auto}
.hero-float-item b{display:block;font-size:15px;font-weight:700;color:var(--text-1);line-height:1.2}
.hero-float-item span{display:block;font-size:11.5px;color:var(--text-3);margin-top:4px}
.hero-float .divider{width:1px;height:26px;background:var(--line)}

/* 卡片网格 */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pcard{display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;position:relative;box-shadow:var(--shadow-card);transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease)}
.pcard::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,rgba(168,240,75,.85),rgba(79,209,255,.35),transparent);opacity:.7}
.pcard:hover{transform:translateY(-4px);border-color:rgba(168,240,75,.35);box-shadow:0 26px 50px -28px rgba(0,0,0,.95)}
.pcard:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.55)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.pcard:hover .card-media img{transform:scale(1.04)}
.card-media::after{content:"";position:absolute;left:0;right:0;bottom:0;height:45%;background:linear-gradient(to top,rgba(10,18,32,.92),transparent)}
.card-badge{position:absolute;left:14px;top:14px;z-index:2;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(168,240,75,.14);color:var(--brand);border:1px solid rgba(168,240,75,.3);backdrop-filter:blur(6px)}
.card-badge--accent{background:rgba(79,209,255,.14);color:var(--accent);border-color:rgba(79,209,255,.32)}
.card-badge--warn{background:rgba(255,122,69,.16);color:var(--warn);border-color:rgba(255,122,69,.34)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-points{display:flex;flex-direction:column;gap:8px}
.card-points li{position:relative;padding-left:14px;font-size:13.5px;color:var(--text-2);line-height:1.65}
.card-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.9}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.card-foot .meta{font-size:12px;color:var(--text-3)}

/* 保障条 */
.guarantee{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-sm);margin-top:32px;overflow:hidden}
.guarantee-item{display:flex;gap:12px;align-items:flex-start;padding:22px 24px;position:relative}
.guarantee-item + .guarantee-item::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:1px;background:var(--line)}
.guarantee-icon{width:20px;height:20px;flex:0 0 auto;color:var(--brand);margin-top:3px}
.guarantee-item b{display:block;font-size:14px;font-weight:600;color:var(--text-1)}
.guarantee-item span{display:block;font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.6}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{display:flex;gap:0;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);border-radius:16px;padding:20px;transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);box-shadow:var(--shadow-card)}
.news-card:hover{transform:translateY(-3px);border-color:rgba(168,240,75,.32)}
.news-card:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.55)}
.news-card--lead{grid-column:span 2;flex-direction:row;gap:22px;align-items:stretch}
.news-thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);margin-bottom:16px}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-card--lead .news-thumb{width:44%;aspect-ratio:auto;margin-bottom:0;min-height:170px}
.news-content{display:flex;flex-direction:column;flex:1 1 auto;min-width:0}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.news-cat{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;font-size:11px;font-weight:600;color:var(--accent);background:rgba(79,209,255,.12);border:1px solid rgba(79,209,255,.26)}
.news-time{font-size:12px;color:var(--text-3)}
.news-title{font-size:16px;font-weight:700;line-height:1.55;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card--lead .news-title{font-size:20px}
.news-summary{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--brand)}
.news-empty{grid-column:1/-1;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;background:var(--bg-1);border:1px dashed var(--line);border-radius:16px;padding:32px}
.news-empty .ico{width:40px;height:40px;border-radius:12px;border:1px solid rgba(168,240,75,.3);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.news-empty p{font-size:14px;color:var(--text-2)}

/* 评价轮播 */
.reviews-wrap{position:relative}
.reviews-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 16px;scrollbar-width:none}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 348px;max-width:86vw;scroll-snap-align:start;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card);position:relative;transition:border-color .26s var(--ease),transform .26s var(--ease)}
.review-card:hover{border-color:rgba(168,240,75,.3);transform:translateY(-3px)}
.review-quote{font-size:44px;line-height:1;color:rgba(168,240,75,.28);font-weight:700;margin-bottom:6px}
.review-user{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,rgba(79,209,255,.35),rgba(168,240,75,.35));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#06120A}
.review-user b{font-size:14px;font-weight:600;color:var(--text-1)}
.stars{display:flex;gap:2px;color:var(--brand);font-size:12px;margin-top:2px}
.review-text{margin-top:14px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.review-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:11.5px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.reviews-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px}
.dots{display:flex;align-items:center;gap:6px}
.dot{width:6px;height:6px;border-radius:999px;background:rgba(255,255,255,.16);transition:width .3s var(--ease),background .3s var(--ease)}
.dot.is-on{width:20px;background:var(--brand)}
.arrows{display:flex;gap:10px}
.arrow-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .22s var(--ease)}
.arrow-btn:hover{color:var(--brand);border-color:rgba(168,240,75,.45);background:rgba(168,240,75,.08)}
.arrow-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.55)}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:24px;border:1px solid rgba(168,240,75,.25);background:linear-gradient(120deg,rgba(168,240,75,.10),rgba(79,209,255,.06) 55%,rgba(15,26,43,.9));padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;background:radial-gradient(circle,rgba(168,240,75,.16),transparent 65%);pointer-events:none}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{color:var(--text-1)}
.cta-copy p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.85}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--bg-1);border:1px solid var(--line);border-radius:14px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.faq-item.is-open{border-color:rgba(168,240,75,.32);box-shadow:0 16px 34px -26px rgba(168,240,75,.4)}
.faq-q{width:100%;min-height:60px;display:flex;align-items:center;gap:14px;padding:16px 20px;background:none;border:0;color:var(--text-1);font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.5}
.faq-q:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,209,255,.5);border-radius:14px}
.faq-num{font-size:12px;font-weight:600;color:var(--text-3);flex:0 0 auto;letter-spacing:.02em}
.faq-q .qtext{flex:1 1 auto}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:16px;line-height:1;transition:all .24s var(--ease)}
.faq-item.is-open .faq-icon{color:var(--brand);border-color:rgba(168,240,75,.5);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 20px 20px 52px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px}
.footer-brand p{margin-top:16px;font-size:13px;color:var(--text-2);line-height:1.85;max-width:34em}
.footer-status{display:inline-flex;align-items:center;gap:8px;margin-top:18px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;color:var(--brand);background:rgba(168,240,75,.10);border:1px solid rgba(168,240,75,.24)}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-col li span{display:block;font-size:13px;color:var(--text-3);line-height:1.8}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom .tech{font-size:12px;color:var(--text-3);letter-spacing:.02em}

@media (max-width:1024px){
  .rh-wrap{padding-left:24px;padding-right:24px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .hero{padding:56px 0 80px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-copy h1{max-width:none}
  .hero-float{left:12px;bottom:-20px}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guarantee-item:nth-child(3)::before{display:none}
  .guarantee-item:nth-child(3),.guarantee-item:nth-child(4){border-top:1px solid var(--line)}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card--lead{grid-column:span 2;flex-direction:row}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rh-section{padding:72px 0}
}
@media (max-width:767px){
  .rh-wrap{padding-left:20px;padding-right:20px}
  .hero{padding:44px 0 64px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stat{padding-right:18px;margin-right:18px}
  .hero-stat b{font-size:19px}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto}
  .grid-cards{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1;flex-direction:column}
  .news-card--lead .news-thumb{width:100%;min-height:0;aspect-ratio:16/9;margin-bottom:16px}
  .news-card--lead .news-title{font-size:17px}
  .cta-band{padding:36px 24px}
  .arrows{display:none}
  .review-card{flex:0 0 86vw}
  .faq-a p{padding-left:20px}
  .rh-section{padding:56px 0}
  .rh-section--tight{padding:48px 0}
  .section-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 36px}
}
@media (max-width:519px){
  .notice p{font-size:12px}
  .notice-link{display:none}
  .hero-stats{gap:14px}
  .hero-stat{border-right:0;padding-right:0;margin-right:0;flex:1 1 40%}
  .guarantee{grid-template-columns:1fr}
  .guarantee-item + .guarantee-item::before{display:none}
  .guarantee-item{border-top:1px solid var(--line)}
  .guarantee-item:first-child{border-top:0}
  .btn{height:46px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#060B14;
  --bg-1:#0A1220;
  --bg-2:#0F1A2B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --brand:#A8F04B;
  --brand-deep:#6FBF1F;
  --brand-glow:rgba(168,240,75,.28);
  --accent:#4FD1FF;
  --warn:#FF7A45;
  --text-1:#EAF1FA;
  --text-2:#A6B6C9;
  --text-3:#6E8098;
  --radius-lg:18px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 88% -6%,rgba(168,240,75,.10),transparent 70%),
    radial-gradient(560px 380px at 4% 0%,rgba(79,209,255,.07),transparent 72%);
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--text-2);text-decoration:none;transition:color .22s cubic-bezier(.22,.61,.36,1)}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
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:3px;border-radius:6px}
.rh-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 公告条 */
.notice-bar{
  background:rgba(168,240,75,.10);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  position:relative;
  z-index:60;
}
.notice-inner{
  display:flex;align-items:center;gap:12px;
  min-height:36px;
  padding-top:4px;padding-bottom:4px;
}
.notice-inner p{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-inner a{color:var(--brand);font-size:13px;white-space:nowrap}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(168,240,75,.16);flex:none}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,11,20,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  position:relative;
  box-shadow:0 0 0 1px rgba(168,240,75,.35),0 8px 22px -12px rgba(168,240,75,.65);
  flex:none;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid #06120A;border-radius:4px;transform:rotate(45deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:.01em}
.logo-text em{
  font-style:normal;font-size:10px;letter-spacing:.12em;color:var(--text-3);margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;
  font-size:14.5px;
  color:var(--text-2);
  padding:22px 0;
  display:inline-block;
  transition:color .22s cubic-bezier(.22,.61,.36,1);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-1)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  background:var(--glass);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:69;
  background:rgba(6,11,20,.96);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:96px 24px 32px;
  display:none;
}
.drawer.is-open{display:block}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;
  color:var(--text-1);font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link::after{content:"→";color:var(--text-3)}
.drawer .drawer-cta{margin-top:24px;display:block;text-align:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:transform .2s cubic-bezier(.22,.61,.36,1),background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.btn-primary{
  background:var(--brand);color:#06120A;
  box-shadow:0 0 0 1px rgba(168,240,75,.35),0 10px 30px -10px rgba(168,240,75,.55);
}
.btn-primary:hover{background:#BDFF6A;color:#06120A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(168,240,75,.5),0 14px 34px -10px rgba(168,240,75,.7)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--accent);
  border:1px solid rgba(79,209,255,.45);
}
.btn-ghost:hover{background:rgba(79,209,255,.12);color:var(--accent);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
  position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand);
  transition:width .22s cubic-bezier(.22,.61,.36,1);
}
.btn-text:hover::after{width:100%}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:rgba(168,240,75,.12);color:var(--brand)}
.badge-accent{background:rgba(79,209,255,.12);color:var(--accent)}
.badge-warn{background:rgba(255,122,69,.14);color:var(--warn)}

/* 面包屑 */
.crumb-bar{padding:26px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-head{padding:22px 0 32px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:clamp(24px,3.6vw,34px);
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-1);
  max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;font-size:12.5px;color:var(--text-3);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.2)}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);
  font-size:12px;color:var(--text-2);
}

/* 布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  padding:40px 0 8px;
  align-items:start;
}
.article-main{min-width:0}
.article-body{
  font-size:17px;line-height:1.9;color:var(--text-2);
  text-align:left;
  overflow-wrap:anywhere;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.4;font-weight:700;color:var(--text-1);
  margin:34px 0 14px;
  padding-left:12px;
  border-left:3px solid var(--brand);
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:20px;font-weight:600;color:var(--text-1);
  margin:26px 0 12px;line-height:1.5;scroll-margin-top:96px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-1);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body li::marker{color:var(--brand)}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body img{
  max-width:100%;height:auto;margin:24px auto;border-radius:14px;
  border:1px solid var(--line);
}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;
  background:var(--bg-2);
  border-left:3px solid var(--accent);
  border-radius:12px;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-body code{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;font-size:14px;color:var(--accent);
}
.article-body pre{
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:16px;overflow-x:auto;margin:24px 0;
}
.article-body pre code{border:none;background:none;padding:0}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:24px 0;
}
.article-body thead{background:var(--bg-2)}
.article-body th,.article-body td{
  padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body th{color:var(--text-1);font-weight:600}
.article-body iframe,.article-body video{max-width:100%;border-radius:12px}

/* 空态 */
.empty-state{
  border:1px solid var(--line);background:var(--bg-1);
  border-radius:var(--radius-lg);padding:48px 24px;text-align:center;
  box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;
  border:1px dashed rgba(168,240,75,.45);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:20px;font-weight:700;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:22px}

/* 标签行 */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:var(--bg-1);
  font-size:13px;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(168,240,75,.45);background:rgba(168,240,75,.06)}

/* 侧栏 */
.side-col{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px 20px 22px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(168,240,75,0));
}
.side-card h3{
  font-size:14px;font-weight:600;color:var(--text-1);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(168,240,75,.14);
}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:block;font-size:13.5px;color:var(--text-2);
  padding:7px 0 7px 12px;border-left:1px solid var(--line);
  line-height:1.6;
  transition:color .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand)}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-link{
  display:flex;gap:12px;align-items:center;
  padding:10px;border-radius:12px;border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.side-link:hover{background:var(--bg-2);border-color:var(--line);transform:translateY(-2px)}
.side-link img{width:64px;height:48px;border-radius:8px;object-fit:cover;border:1px solid var(--line);flex:none}
.side-link span{font-size:13.5px;line-height:1.5;color:var(--text-2)}
.side-link:hover span{color:var(--text-1)}
.side-note{font-size:12.5px;color:var(--text-3);line-height:1.75}
.side-actions{display:flex;flex-direction:column;gap:10px;margin-top:4px}

/* 相关推荐 */
.related{padding:72px 0 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.25;color:var(--text-1)}
.sec-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  position:relative;
  transition:transform .24s cubic-bezier(.22,.61,.36,1),border-color .24s ease,box-shadow .24s ease;
}
.rel-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,rgba(168,240,75,.85),rgba(168,240,75,0));
  opacity:.7;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(168,240,75,.35);box-shadow:0 24px 46px -26px rgba(0,0,0,.95)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;color:var(--text-1);line-height:1.5}
.rel-body p{font-size:13.5px;color:var(--text-3);line-height:1.7}
.rel-body .rel-more{margin-top:auto;font-size:12.5px;font-weight:600;color:var(--brand)}

/* CTA 条 */
.cta-band{
  margin:72px 0 0;
  border-radius:24px;
  border:1px solid rgba(168,240,75,.22);
  background:
    radial-gradient(520px 240px at 92% 0%,rgba(168,240,75,.14),transparent 70%),
    linear-gradient(180deg,var(--bg-2),var(--bg-1));
  padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px);
  opacity:.5;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;color:var(--text-1);line-height:1.35}
.cta-band p{font-size:14px;color:var(--text-2);margin-top:10px;max-width:560px;line-height:1.75}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:56px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--text-2);line-height:1.8;max-width:320px}
.footer-status{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  font-size:12px;color:var(--text-3);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:var(--glass);
}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(168,240,75,.14);display:inline-block}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--text-2);line-height:1.7}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tech{font-size:12.5px;color:var(--text-3);letter-spacing:.04em}

@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-col{position:static;top:auto}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links{gap:18px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-right .btn-primary{display:none}
  .header-inner{height:60px;gap:12px}
  .rh-wrap{padding:0 20px}
  .article-head{padding:18px 0 26px}
  .cta-band{padding:32px 24px;border-radius:20px}
  .site-footer{margin-top:64px;padding:44px 0 24px}
}
@media (max-width:640px){
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{margin-top:28px}
  .cta-actions .btn{width:100%}
  .meta-row{gap:10px}
  .crumb .current{white-space:normal}
}
@media (max-width:360px){
  .rh-wrap{padding:0 16px}
  .logo-text strong{font-size:16px}
}

/* roulang page: category1 */
:root{
  --bg-0:#060B14;
  --bg-1:#0A1220;
  --bg-2:#0F1A2B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --brand:#A8F04B;
  --brand-deep:#6FBF1F;
  --brand-glow:rgba(168,240,75,.28);
  --accent:#4FD1FF;
  --warn:#FF7A45;
  --text-1:#EAF1FA;
  --text-2:#A6B6C9;
  --text-3:#6E8098;
  --radius-card:18px;
  --radius-sm:16px;
  --radius-btn:999px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--text-2);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 容器 */
.rh-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);color:#06120A;
  box-shadow:0 0 0 1px rgba(168,240,75,.35),0 10px 30px -10px rgba(168,240,75,.55);
}
.btn-primary:hover{background:#BDFF6A;color:#06120A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(168,240,75,.5),0 14px 34px -10px rgba(168,240,75,.6)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(168,240,75,.35)}
.btn-secondary{
  background:transparent;color:var(--accent);border-color:rgba(79,209,255,.45);
}
.btn-secondary:hover{background:rgba(79,209,255,.12);color:var(--accent);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:13px;font-weight:600;
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)
}
.text-link:hover{border-bottom-color:var(--brand)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-brand{background:rgba(168,240,75,.12);color:var(--brand)}
.badge-accent{background:rgba(79,209,255,.12);color:var(--accent)}
.badge-warn{background:rgba(255,122,69,.12);color:var(--warn)}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,11,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo:hover{color:var(--text-1)}
.logo-mark{
  position:relative;width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(168,240,75,.3),0 8px 20px -10px rgba(168,240,75,.7);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:14px;height:14px;
  border:2px solid #06120A;border-radius:4px;opacity:.85;
}
.logo-text strong{display:block;font-size:18px;font-weight:700;color:var(--text-1);line-height:1.15;letter-spacing:-.01em}
.logo-text em{display:block;font-style:normal;font-size:10px;letter-spacing:.12em;color:var(--text-3);line-height:1.4}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease)
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.header-cta{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-1);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;position:fixed;inset:68px 0 0 0;z-index:70;
  background:rgba(6,11,20,.96);backdrop-filter:blur(16px);
  padding:20px 20px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 4px;font-size:16px;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer-link::after{content:"›";color:var(--text-3);font-size:20px;line-height:1}
.drawer-link.is-active{color:var(--brand)}
.drawer-cta{width:100%;margin-top:24px;height:48px}

/* Hero */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 68px;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 88% 0%,rgba(168,240,75,.10),transparent 70%),
    radial-gradient(520px 300px at 0% 100%,rgba(79,209,255,.08),transparent 70%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.10;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.5) 0 1px,transparent 1px 46px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.2)}
h1.page-title{
  font-size:clamp(30px,3.6vw,40px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  margin-bottom:16px;
}
.lede{font-size:16px;line-height:1.85;color:var(--text-2);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:34px}
.stat{padding:0 22px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:0}
.stat b{display:block;font-size:20px;font-weight:700;color:var(--text-1);line-height:1.3}
.stat span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.01em}
.hero-media{position:relative}
.hero-media img{
  width:100%;border-radius:20px;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
  aspect-ratio:4/3;object-fit:cover;
}
.float-card{
  position:absolute;left:-18px;bottom:-18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:16px;
  background:rgba(10,18,32,.78);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 20px 40px -22px rgba(0,0,0,.95);
}
.float-card i{
  display:block;width:8px;height:8px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(168,240,75,.16)
}
.float-card strong{display:block;font-size:13px;color:var(--text-1);font-weight:600;line-height:1.4}
.float-card span{display:block;font-size:11px;color:var(--text-3)}

/* 板块通用 */
.section{padding:72px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin-bottom:12px}
.sec-head p{font-size:15px;line-height:1.85;color:var(--text-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--brand);border-radius:2px}

/* 步骤时间线 */
.steps{max-width:860px;margin:0 auto}
.step-item{display:grid;grid-template-columns:70px 1fr;gap:20px;padding-bottom:34px}
.step-item:last-child{padding-bottom:0}
.step-num{
  font-size:34px;font-weight:700;line-height:1.1;color:var(--text-3);
  letter-spacing:-.02em;
}
.step-body{
  position:relative;padding-left:26px;border-left:1px solid var(--line);padding-bottom:4px;
}
.step-body::before{
  content:"";position:absolute;left:-4.5px;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 12px var(--brand-glow);
}
.step-item:last-child .step-body{border-left-color:transparent}
.step-body h3{font-size:19px;font-weight:600;margin-bottom:10px;color:var(--text-1)}
.step-body p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:8px}
.step-body p:last-child{margin-bottom:0}
.step-tip{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:13px;color:var(--text-3);
}
.step-tip b{color:var(--brand);font-weight:600}
.step-figure{margin-top:16px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.step-figure img{width:100%;aspect-ratio:16/8;object-fit:cover}

/* 卡点 + 提示条 */
.pain-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pain-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease)
}
.pain-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
  opacity:.65;
}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(168,240,75,.35)}
.pain-card h3{font-size:17px;font-weight:600;margin:12px 0 10px;color:var(--text-1)}
.pain-card p{font-size:14px;line-height:1.8;color:var(--text-2)}
.tip-box{
  background:var(--bg-2);border:1px solid rgba(79,209,255,.28);border-radius:var(--radius-card);
  padding:24px;position:sticky;top:92px;
}
.tip-box h3{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.tip-box h3 i{display:block;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.tip-box p{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:14px}
.tip-list li{
  position:relative;padding-left:18px;font-size:13px;line-height:1.8;color:var(--text-2);
  margin-bottom:10px;
}
.tip-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand)
}
.tip-box .btn{width:100%;margin-top:8px}

/* 检查清单 */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.check-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px;transition:border-color .25s var(--ease),transform .25s var(--ease)
}
.check-card:hover{border-color:rgba(168,240,75,.32);transform:translateY(-3px)}
.check-card .tick{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:9px;background:rgba(168,240,75,.12);color:var(--brand);font-size:14px;font-weight:700;margin-bottom:14px;
}
.check-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.check-card p{font-size:13px;line-height:1.8;color:var(--text-3)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease)
}
.faq-item[open]{border-color:rgba(168,240,75,.2)}
.faq-q{
  display:flex;align-items:center;gap:14px;
  min-height:60px;padding:14px 20px;list-style:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-q::-webkit-details-marker{display:none}
.faq-idx{font-size:12px;color:var(--text-3);font-weight:600;flex:0 0 auto}
.faq-title{flex:1 1 auto;line-height:1.5}
.faq-icon{
  position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand);border-radius:2px;transition:transform .25s var(--ease)
}
.faq-icon::before{width:12px;height:1.5px}
.faq-icon::after{width:1.5px;height:12px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{padding:0 20px 20px 52px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-2)}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  border:1px solid rgba(168,240,75,.22);
  padding:52px 48px;
  background:
    linear-gradient(120deg,rgba(10,18,32,.96),rgba(6,11,20,.92)),
    url("/assets/images/backpic/back-3.png") center/cover no-repeat;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,240,75,.18),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;margin-bottom:12px;position:relative}
.cta-band p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:640px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;position:relative}

/* 页脚 */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);
  padding:56px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{font-size:13px;line-height:1.85;color:var(--text-2);margin:16px 0 18px;max-width:320px}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3)}
.footer-status i{display:block;width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(168,240,75,.14)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul li{margin-bottom:12px;font-size:14px;line-height:1.7}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-col ul li span{font-size:13px;color:var(--text-3);line-height:1.8;display:block}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom .tech{font-size:13px;color:var(--text-3);letter-spacing:.02em}

/* 响应式 */
@media (max-width:1024px){
  .rh-wrap{padding:0 24px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2;max-width:560px}
  .float-card{left:12px;bottom:-16px}
  .pain-layout{grid-template-columns:1fr}
  .tip-box{position:static}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .cat-hero{padding:40px 0 52px}
  .pain-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:18px}
  .hero-stats{gap:0}
  .stat{padding:0 14px}
  .stat b{font-size:18px}
  .step-item{grid-template-columns:48px 1fr;gap:14px;padding-bottom:28px}
  .step-num{font-size:26px}
  .step-body{padding-left:18px}
}
@media (max-width:520px){
  .rh-wrap{padding:0 20px}
  .header-inner{height:60px;gap:12px}
  .mobile-drawer{inset:60px 0 0 0}
  .logo-text strong{font-size:16px}
  .hero-cta .btn{width:100%}
  .hero-stats{flex-direction:column;align-items:flex-start;gap:12px}
  .stat{padding:0;border-left:0}
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .faq-a{padding:0 16px 18px 16px}
  .faq-q{padding:12px 16px;font-size:15px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
    --bg-0:#060B14;
    --bg-1:#0A1220;
    --bg-2:#0F1A2B;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --glass:rgba(255,255,255,.05);
    --brand:#A8F04B;
    --brand-deep:#6FBF1F;
    --brand-glow:rgba(168,240,75,.28);
    --accent:#4FD1FF;
    --accent-soft:rgba(79,209,255,.45);
    --warn:#FF7A45;
    --text-1:#EAF1FA;
    --text-2:#A6B6C9;
    --text-3:#6E8098;
    --r-card:18px;
    --r-sm:16px;
    --r-btn:999px;
    --r-in:12px;
    --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
    --shadow-btn:0 0 0 1px rgba(168,240,75,.35),0 10px 30px -10px rgba(168,240,75,.55);
    --ease:cubic-bezier(.22,.61,.36,1);
    --nav-h:68px;
    --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border:0}
  a{color:var(--text-2);text-decoration:none;transition:color .22s var(--ease)}
  a:hover{color:var(--brand)}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  h1,h2,h3,h4,p,figure{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  input,textarea,select{font:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  .rh-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:80}
  .notice-bar{
    background:rgba(168,240,75,.10);
    border-bottom:1px solid rgba(168,240,75,.14);
    font-size:13px;
    color:var(--text-2);
  }
  .notice-inner{display:flex;align-items:center;gap:12px;height:38px}
  .notice-dot{
    width:6px;height:6px;border-radius:50%;background:var(--brand);
    box-shadow:0 0 10px var(--brand-glow);flex:0 0 auto;
  }
  .notice-inner p{
    flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    line-height:38px;
  }
  .notice-inner a{color:var(--brand);font-size:13px;white-space:nowrap}
  .notice-inner a:hover{color:#BDFF6A}

  .nav-shell{
    background:rgba(6,11,20,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:26px;height:26px;border-radius:8px;position:relative;flex:0 0 auto;
    background:linear-gradient(140deg,var(--brand),var(--brand-deep));
    box-shadow:0 0 0 1px rgba(168,240,75,.35),0 8px 18px -10px rgba(168,240,75,.7);
  }
  .logo-mark::after{
    content:"";position:absolute;inset:7px 7px auto 7px;height:3px;border-radius:2px;
    background:#06120A;
  }
  .logo-mark::before{
    content:"";position:absolute;left:7px;right:7px;bottom:7px;height:3px;border-radius:2px;
    background:rgba(6,18,10,.7);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-text strong{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text-1)}
  .logo-text em{
    font-style:normal;font-size:10px;letter-spacing:.12em;color:var(--text-3);margin-top:2px;
  }
  .nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
  .nav-link{
    position:relative;font-size:15px;color:var(--text-2);padding:6px 0;line-height:1.4;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--text-1)}
  .nav-link:hover::after{transform:scaleX(.6)}
  .nav-link.is-active{color:var(--text-1);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}
  .nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);font-weight:600;line-height:1;
    transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--brand);color:#06120A;
    box-shadow:var(--shadow-btn);
  }
  .btn-primary:hover{background:#BDFF6A;color:#06120A;transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(168,240,75,.3)}
  .btn-ghost{
    background:transparent;color:var(--accent);
    border:1px solid var(--accent-soft);
  }
  .btn-ghost:hover{background:rgba(79,209,255,.12);color:#8FE3FF;transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{padding:11px 20px;font-size:14px}
  .btn-lg{padding:15px 30px;font-size:15px}
  .btn-text{
    color:var(--brand);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
    border-bottom:1px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease);
  }
  .btn-text:hover{color:#BDFF6A;border-bottom-color:var(--brand)}

  .nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:12px;
    align-items:center;justify-content:center;flex-direction:column;gap:5px;
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .22s var(--ease),opacity .22s var(--ease)}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .mobile-drawer{
    display:none;
    background:rgba(6,11,20,.96);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    padding:8px 0 20px;
  }
  .mobile-drawer.is-open{display:block}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;padding:0 32px;font-size:15px;color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .drawer-link:hover{color:var(--brand);background:rgba(255,255,255,.03)}
  .drawer-link.is-active{color:var(--brand);font-weight:600}
  .drawer-link i{font-style:normal;color:var(--text-3);font-size:14px}
  .drawer-cta{padding:16px 32px 0}
  .drawer-cta .btn{width:100%}

  /* ---------- Breadcrumb ---------- */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);padding:24px 0 0}
  .crumb a{color:var(--text-3)}
  .crumb a:hover{color:var(--brand)}
  .crumb span.sep{color:rgba(110,128,152,.6)}
  .crumb span.now{color:var(--text-2)}

  /* ---------- Category band ---------- */
  .cat-band{
    position:relative;margin-top:16px;border-radius:22px;overflow:hidden;
    border:1px solid var(--line);min-height:280px;display:flex;align-items:flex-end;
    box-shadow:var(--shadow-card);
  }
  .cat-band > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
  .cat-band::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,11,20,.30) 0%,rgba(6,11,20,.86) 68%,rgba(6,11,20,.96) 100%);
  }
  .cat-band-inner{position:relative;z-index:2;padding:36px 40px;max-width:820px}
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:24px;
  }
  .badge-brand{background:rgba(168,240,75,.12);color:var(--brand)}
  .badge-accent{background:rgba(79,209,255,.12);color:var(--accent)}
  .badge-warn{background:rgba(255,122,69,.14);color:var(--warn)}
  .cat-band h1{
    font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
    margin:16px 0 12px;color:var(--text-1);
  }
  .cat-band p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:680px}
  .band-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:22px}
  .band-meta div{display:flex;flex-direction:column}
  .band-meta b{font-size:20px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
  .band-meta small{font-size:12px;color:var(--text-3);margin-top:2px}

  /* ---------- Sections ---------- */
  .section{padding:72px 0 0}
  .section-head{max-width:760px;margin-bottom:36px}
  .section-head h2{
    font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
    margin:14px 0 12px;
  }
  .section-head p{color:var(--text-2);font-size:15px}

  /* ---------- Split blocks ---------- */
  .split{
    display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
    padding:32px 0;border-top:1px solid var(--line);
  }
  .split:first-of-type{border-top:0;padding-top:0}
  .split.reverse .split-media{order:2}
  .split-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
  .split-media img{width:100%;height:100%;aspect-ratio:5/4;object-fit:cover;transition:transform .5s var(--ease)}
  .split-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,11,20,0) 40%,rgba(6,11,20,.55) 100%);
  }
  .split-media:hover img{transform:scale(1.03)}
  .split-body h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;font-weight:700;margin:14px 0 14px}
  .split-body p.lead{color:var(--text-2);font-size:15px;margin-bottom:20px}
  .check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
  .check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7}
  .check-list li .tick{
    flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:6px;
    background:rgba(168,240,75,.14);color:var(--brand);font-size:11px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
  }
  .check-list li b{color:var(--text-1);font-weight:600}

  /* ---------- Info grid ---------- */
  .info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .info-card{
    position:relative;background:var(--bg-1);border:1px solid var(--line);
    border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease);
    overflow:hidden;
  }
  .info-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,var(--brand),rgba(168,240,75,0));
    opacity:.7;
  }
  .info-card:hover{transform:translateY(-4px);border-color:rgba(168,240,75,.35)}
  .info-icon{
    width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    background:rgba(168,240,75,.10);color:var(--brand);font-size:16px;font-weight:700;
    border:1px solid rgba(168,240,75,.22);margin-bottom:16px;font-variant-numeric:tabular-nums;
  }
  .info-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
  .info-card p{font-size:14px;color:var(--text-2);line-height:1.75}

  /* ---------- Form area ---------- */
  .form-wrap{
    display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start;
    background:var(--bg-1);border:1px solid var(--line);border-radius:22px;
    padding:40px;box-shadow:var(--shadow-card);
  }
  .form-intro h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35;margin:14px 0 14px}
  .form-intro p{color:var(--text-2);font-size:15px;margin-bottom:20px}
  .form-intro ul{display:flex;flex-direction:column;gap:10px}
  .form-intro li{display:flex;gap:10px;font-size:14px;color:var(--text-3)}
  .form-intro li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:9px}

  .field{margin-bottom:16px}
  .field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
  .field .control{
    width:100%;height:48px;padding:0 16px;border-radius:var(--r-in);
    background:var(--bg-2);border:1px solid var(--line);color:var(--text-1);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field textarea.control{height:112px;padding:14px 16px;line-height:1.7;resize:vertical}
  .field select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
  .field .control::placeholder{color:rgba(110,128,152,.85)}
  .field .control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(168,240,75,.16)}
  .field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .form-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.7}
  .form-msg{margin-top:14px;font-size:13px;color:var(--brand);display:none}
  .form-msg.is-on{display:block}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{
    background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-sm);
    transition:border-color .22s var(--ease),background .22s var(--ease);
  }
  .faq-item[open]{border-color:rgba(168,240,75,.28)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
    min-height:60px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--text-1);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-num{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;flex:0 0 auto;width:22px}
  .faq-q{flex:1 1 auto;line-height:1.6}
  .faq-sign{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line-strong);
    display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .faq-item[open] .faq-sign{color:var(--brand);border-color:rgba(168,240,75,.4);transform:rotate(45deg)}
  .faq-a{padding:0 20px 20px 56px;font-size:15px;color:var(--text-2);line-height:1.8}
  .faq-item summary:hover .faq-q{color:var(--brand)}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;margin-top:72px;border-radius:22px;overflow:hidden;
    border:1px solid rgba(168,240,75,.22);
    background:
      radial-gradient(420px 220px at 88% 0%,rgba(168,240,75,.16),transparent 70%),
      linear-gradient(140deg,var(--bg-2),var(--bg-1));
    padding:48px 44px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
    box-shadow:var(--shadow-card);
  }
  .cta-band::after{
    content:"";position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;border-radius:50%;
    border:1px solid rgba(168,240,75,.16);
  }
  .cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35;position:relative;z-index:2}
  .cta-band p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:560px;position:relative;z-index:2}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

  /* ---------- Footer ---------- */
  .site-footer{
    margin-top:88px;border-top:1px solid var(--line);
    background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
    padding:56px 0 28px;
  }
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
    padding-bottom:36px;border-bottom:1px solid var(--line);
  }
  .footer-brand p{font-size:13px;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:340px}
  .footer-status{
    display:inline-flex;align-items:center;gap:8px;margin-top:16px;
    font-size:12px;color:var(--text-3);
    border:1px solid var(--line);border-radius:999px;padding:6px 12px;
  }
  .footer-status i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand-glow);font-style:normal}
  .footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
  .footer-col ul{display:flex;flex-direction:column;gap:12px}
  .footer-col li a,.footer-col li span{font-size:13px;color:var(--text-2);line-height:1.7}
  .footer-col li a:hover{color:var(--brand)}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding-top:22px;flex-wrap:wrap;
  }
  .footer-bottom p{font-size:13px;color:var(--text-3)}
  .footer-bottom .tech{font-size:13px;color:var(--text-3);letter-spacing:.02em}

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .rh-wrap{padding:0 24px}
    .nav-links{gap:18px}
    .nav-link{font-size:14px}
    .split{grid-template-columns:1fr;gap:28px;padding:28px 0}
    .split.reverse .split-media{order:0}
    .form-wrap{grid-template-columns:1fr;padding:32px;gap:28px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:860px){
    .nav-links{display:none}
    .nav-toggle{display:inline-flex}
    .nav-inner{gap:16px}
    .nav-actions{margin-left:auto}
    .notice-inner p{font-size:12px}
  }
  @media (max-width:768px){
    .section{padding:56px 0 0}
    .cat-band{min-height:240px}
    .cat-band-inner{padding:26px 22px}
    .info-grid{grid-template-columns:1fr}
    .cta-band{padding:32px 24px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    .footer-brand{grid-column:1 / -1}
    .footer-brand p{max-width:none}
  }
  @media (max-width:640px){
    .rh-wrap{padding:0 20px}
    .notice-inner{height:auto;min-height:38px;padding:8px 0;gap:8px}
    .notice-inner p{line-height:1.5;white-space:normal;font-size:12px}
    .notice-inner a{display:none}
    .nav-shell{height:auto}
    .nav-inner{height:60px}
    .logo-text strong{font-size:16px}
    .logo-text em{font-size:9px}
    .nav-actions .btn-primary{display:none}
    .drawer-link{padding:0 20px}
    .drawer-cta{padding:16px 20px 0}
    .cat-band{min-height:0;border-radius:18px}
    .cat-band-inner{padding:22px 18px}
    .cat-band h1{font-size:26px}
    .cat-band p{font-size:14px}
    .band-meta{gap:16px;margin-top:18px}
    .band-meta b{font-size:18px}
    .field-row{grid-template-columns:1fr}
    .faq-a{padding-left:20px}
    .form-wrap{padding:24px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 auto}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  }

/* roulang page: category3 */
:root{
  --bg-0:#060B14;
  --bg-1:#0A1220;
  --bg-2:#0F1A2B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --brand:#A8F04B;
  --brand-deep:#6FBF1F;
  --brand-hi:#BDFF6A;
  --glow:rgba(168,240,75,.28);
  --accent:#4FD1FF;
  --warn:#FF7A45;
  --text-1:#EAF1FA;
  --text-2:#A6B6C9;
  --text-3:#6E8098;
  --r-card:18px;
  --r-sm:14px;
  --r-btn:999px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-brand:0 0 0 1px rgba(168,240,75,.35),0 10px 30px -10px rgba(168,240,75,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
::selection{background:rgba(168,240,75,.25);color:#fff}

.rh-wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:72px 0;position:relative}
.section-head{max-width:720px}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  letter-spacing:.06em;
  padding:4px 12px;
  border:1px solid rgba(168,240,75,.28);
  border-radius:var(--r-btn);
  background:rgba(168,240,75,.08);
  margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,20,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-shell{
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-1)}
.logo:hover{color:var(--text-1)}
.logo-mark{
  width:26px;height:26px;flex:none;border-radius:8px;
  border:1.5px solid var(--brand);
  position:relative;display:block;
  box-shadow:0 0 14px -4px var(--glow);
}
.logo-mark::before{
  content:"";position:absolute;left:50%;top:5px;bottom:5px;width:1.5px;
  background:var(--brand);transform:translateX(-50%) rotate(18deg);opacity:.9;
}
.logo-mark::after{
  content:"";position:absolute;left:5px;right:5px;top:50%;height:1.5px;
  background:rgba(79,209,255,.75);transform:translateY(-50%) rotate(-18deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:18px;font-weight:700;letter-spacing:0}
.logo-text em{font-style:normal;font-size:10px;letter-spacing:.12em;color:var(--text-3);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px;height:68px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform 220ms var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1);opacity:.45}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1);opacity:1}
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;
  border:1px solid var(--line);border-radius:12px;background:var(--glass);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{width:18px;height:1.6px;background:var(--text-1);display:block;transition:transform 220ms var(--ease),opacity 220ms var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 48px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(680px 340px at 80% -10%,rgba(168,240,75,.10),transparent 70%),
    radial-gradient(560px 300px at 10% 0%,rgba(79,209,255,.08),transparent 70%),
    var(--bg-0);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 22px);
  opacity:.7;
}
.cat-hero-inner{position:relative;z-index:2;max-width:860px;margin:0 auto;text-align:center}
.breadcrumb{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:12px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(110,128,152,.6)}
.breadcrumb .cur{color:var(--text-2)}
.cat-hero h1{
  font-size:clamp(27px,4.4vw,40px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.cat-hero .lede{
  margin:18px auto 0;max-width:640px;
  font-size:16px;line-height:1.85;color:var(--text-2);
}
.hero-rule{
  width:72px;height:2px;margin:26px auto 22px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
}
.tag-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:12px;font-weight:600;color:var(--accent);
  border:1px solid rgba(79,209,255,.32);
  background:rgba(79,209,255,.08);
  border-radius:var(--r-btn);
}
.tag.is-brand{color:var(--brand);border-color:rgba(168,240,75,.32);background:rgba(168,240,75,.09)}
.hero-meta{
  margin-top:26px;display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}

/* ---------- qa grid ---------- */
.qa-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;margin-top:40px;
}
.qa-card{
  position:relative;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px 26px;
  box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
  overflow:hidden;
}
.qa-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(168,240,75,0));
  opacity:.75;
}
.qa-card:hover{transform:translateY(-4px);border-color:rgba(168,240,75,.35);box-shadow:0 24px 48px -28px rgba(0,0,0,.95)}
.qa-top{display:flex;align-items:baseline;gap:14px}
.qa-num{
  font-size:32px;font-weight:700;line-height:1;color:var(--text-3);
  letter-spacing:.02em;
}
.qa-card:hover .qa-num{color:var(--brand)}
.qa-top h3{font-size:18px;font-weight:700;line-height:1.45}
.qa-list{margin-top:16px;display:grid;gap:9px}
.qa-list li{
  position:relative;padding-left:16px;
  font-size:14px;line-height:1.75;color:var(--text-2);
}
.qa-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand);opacity:.85;
}
.qa-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:8px;
}
.qa-foot b{color:var(--accent);font-weight:600}

/* ---------- compare ---------- */
.compare{
  margin-top:38px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.compare-head{
  display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:24px;
  padding:16px 28px;
  background:var(--bg-2);
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--text-3);
}
.compare-row{
  display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:24px;
  padding:20px 28px;
  border-top:1px solid var(--line);
  transition:background 220ms var(--ease);
}
.compare-row:hover{background:rgba(255,255,255,.025)}
.compare-key{display:flex;align-items:flex-start;gap:10px;font-size:15px;font-weight:600;color:var(--text-1);line-height:1.6}
.compare-key .pill{
  flex:none;margin-top:4px;width:8px;height:8px;border-radius:50%;
  background:var(--warn);box-shadow:0 0 0 3px rgba(255,122,69,.16);
}
.compare-val{font-size:14px;color:var(--text-2);line-height:1.8}
.compare-val .arrow{color:var(--brand);margin:0 8px;font-weight:600}
.compare-note{margin-top:18px;font-size:13px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq-list{margin-top:34px;display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:16px;
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item[open]{border-color:rgba(168,240,75,.38);background:var(--bg-2)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  min-height:64px;padding:16px 22px;
  cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{
  flex:none;font-size:12px;font-weight:600;color:var(--text-3);
  font-variant-numeric:tabular-nums;min-width:24px;
}
.faq-icon{
  margin-left:auto;flex:none;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);position:relative;
  transition:border-color 220ms var(--ease),transform 220ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);
  transform:translate(-50%,-50%);
  transition:opacity 220ms var(--ease),background 220ms var(--ease);
}
.faq-icon::before{width:11px;height:1.5px}
.faq-icon::after{width:1.5px;height:11px}
.faq-item[open] .faq-icon{border-color:rgba(168,240,75,.5)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--brand)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-body{
  padding:0 22px 22px 62px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-body p+p{margin-top:12px}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:36px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(168,240,75,.35)}
.rel-media{position:relative;height:148px;overflow:hidden;background:var(--bg-2)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,0) 35%,rgba(6,11,20,.85) 100%);
}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.4;color:var(--text-1)}
.rel-body p{font-size:13.5px;line-height:1.75;color:var(--text-2)}
.rel-more{
  margin-top:auto;padding-top:12px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.rel-card.is-current{border-color:rgba(168,240,75,.45)}
.rel-flag{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  font-size:11px;font-weight:600;color:#06120A;
  background:var(--brand);border-radius:var(--r-btn);
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:44px 48px;
  border:1px solid rgba(168,240,75,.22);
  border-radius:22px;
  background:
    radial-gradient(420px 200px at 88% 0%,rgba(168,240,75,.16),transparent 70%),
    linear-gradient(135deg,var(--bg-2),var(--bg-1));
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-primary{background:var(--brand);color:#06120A;box-shadow:var(--shadow-brand)}
.btn-primary:hover{background:var(--brand-hi);color:#06120A;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(168,240,75,.3)}
.btn-ghost{background:transparent;border-color:rgba(79,209,255,.45);color:var(--accent)}
.btn-ghost:hover{background:rgba(79,209,255,.12);color:var(--accent)}
.btn-ghost:active{background:rgba(79,209,255,.18)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg-0),0 0 0 4px var(--accent)}
.btn-sm{min-height:40px;padding:0 18px;font-size:13.5px}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13px;line-height:1.85;color:var(--text-2);max-width:330px}
.footer-status{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid rgba(168,240,75,.28);
  background:rgba(168,240,75,.08);
  font-size:12px;font-weight:600;color:var(--brand);
}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:13.5px;line-height:1.7;color:var(--text-2)}
.footer-col li a{font-size:13.5px;color:var(--text-2)}
.footer-col li a:hover{color:var(--brand)}
.footer-col li span{color:var(--text-3);font-size:13px;line-height:1.75;display:block}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tech{font-variant-numeric:tabular-nums;color:var(--text-3)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .rh-wrap{padding:0 24px}
  .nav-shell{padding:0 24px}
  .section{padding:64px 0}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .cta-band{padding:36px 32px;flex-direction:column;align-items:flex-start;gap:26px}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    height:auto;
    padding:8px 20px 20px;
    background:rgba(6,11,20,.97);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.9);
  }
  .nav-links.is-open{display:flex}
  .nav-link{
    height:48px;width:100%;justify-content:flex-start;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .nav-link:last-child{border-bottom:0}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .qa-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:18px 22px}
  .compare-key{font-size:14.5px}
}
@media (max-width:640px){
  .rh-wrap{padding:0 20px}
  .nav-shell{padding:0 20px;height:60px}
  .logo-text strong{font-size:16px}
  .section{padding:56px 0}
  .cat-hero{padding:36px 0 34px}
  .cat-hero .lede{font-size:15px}
  .qa-card{padding:22px 20px}
  .qa-num{font-size:26px}
  .faq-body{padding:0 20px 20px 20px}
  .faq-item summary{padding:16px 18px;gap:12px;font-size:15px}
  .cta-band{padding:28px 22px;border-radius:18px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-meta{gap:14px}
}
@media (max-width:380px){
  .logo-text em{display:none}
}