/* roulang page: index */
:root{
  --bg-0:#070A09;
  --bg-1:#0C1211;
  --surface:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.10);
  --stroke-strong:rgba(255,255,255,.18);
  --primary:#B4F03C;
  --primary-dim:#8CC627;
  --accent:#FF7A2F;
  --support:#6FD6C0;
  --text-1:#F1F5F2;
  --text-2:#A6B0AB;
  --text-3:#6C7671;
  --paper:#F4F6F1;
  --ink:#12171A;
  --r-card:20px;
  --r-img:16px;
  --r-btn:12px;
  --sec-pad:56px;
  --mono:ui-monospace,"SFMono-Regular",Inter,"Roboto Mono",Menlo,Consolas,monospace;
}
@media(min-width:640px){:root{--sec-pad:80px}}
@media(min-width:1024px){:root{--sec-pad:112px}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--bg-1)}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:640px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px}}

.section{padding-top:var(--sec-pad);padding-bottom:var(--sec-pad);border-top:1px solid var(--stroke)}
.section-plain{border-top:0}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ============ 通告条 ============ */
.topbar{background:var(--bg-1);border-bottom:1px solid var(--stroke)}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:12px;height:36px;position:relative}
.topbar-text{font-size:12px;letter-spacing:.04em;color:var(--text-2)}
.topbar-text b{color:var(--primary);font-weight:600}
.topbar-close{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:22px;height:22px;display:grid;place-items:center;color:var(--text-3);transition:color .18s ease}
.topbar-close:hover{color:var(--text-1)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:height .22s ease,background .22s ease,border-color .22s ease;
}
.site-header.scrolled{
  height:58px;
  background:var(--surface);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom-color:var(--stroke);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:9px}
.brand-mark{width:11px;height:11px;border-radius:3px;background:var(--primary);box-shadow:0 0 14px rgba(180,240,60,.55);flex:none}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;transition:font-size .22s ease}
.site-header.scrolled .brand-text{font-size:15px}
.brand-cn{font-size:12px;font-weight:500;color:var(--text-2);margin-left:6px;letter-spacing:.08em}
.nav-desktop{display:none;align-items:center;gap:20px}
@media(min-width:1024px){.nav-desktop{display:flex}}
.nav-link{position:relative;font-size:14px;color:var(--text-2);transition:color .18s ease;padding:4px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--primary);transition:width .18s ease-out}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{width:0}
.nav-link.is-active::before{content:"";position:absolute;left:50%;bottom:-12px;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:var(--primary)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--stroke);border-radius:10px;color:var(--text-2);transition:border-color .18s ease,color .18s ease}
.icon-btn:hover{border-color:var(--primary);color:var(--primary)}
.menu-btn{display:flex;flex-direction:column;justify-content:center;gap:6px;width:38px;height:36px;padding:0 6px;border:1px solid var(--stroke);border-radius:10px}
.menu-btn span{display:block;height:1.5px;background:var(--text-1);border-radius:2px}
@media(min-width:1024px){.menu-btn{display:none}}

/* 移动端抽屉 */
.drawer-overlay{position:fixed;inset:0;background:rgba(4,6,5,.66);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:80%;max-width:360px;background:#0A0E0D;border-left:1px solid var(--stroke);transform:translateX(100%);transition:transform .26s ease;z-index:95;display:flex;flex-direction:column;padding:20px 22px 28px}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--stroke)}
.drawer-close{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--stroke);border-radius:10px;color:var(--text-2)}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{font-size:20px;line-height:64px;color:var(--text-1);border-bottom:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between}
.drawer-nav a.is-active{color:var(--primary)}
.drawer-nav a span.dim{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.drawer-cta{margin-top:auto;padding-top:20px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:14px;font-weight:600;padding:12px 22px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--bg-0)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 24px rgba(180,240,60,.35)}
.btn-primary:active{background:var(--primary-dim)}
.btn-ghost{border-color:var(--stroke);color:var(--text-1);background:transparent}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn-outline-primary{border-color:rgba(180,240,60,.55);color:var(--primary);background:transparent}
.btn-outline-primary:hover{background:var(--primary);color:var(--bg-0)}
.text-link{font-size:13px;color:var(--text-2);border-bottom:1px solid var(--stroke);padding-bottom:2px;transition:color .18s ease,border-color .18s ease}
.text-link:hover{color:var(--primary);border-color:var(--primary)}

/* ============ 标签 ============ */
.badge{display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;padding:4px 10px;border-radius:999px;line-height:1.4}
.badge-support{background:rgba(111,214,192,.10);color:var(--support)}
.badge-accent{background:rgba(255,122,47,.12);color:var(--accent)}
.badge-line{border:1px solid var(--stroke);color:var(--text-2)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--stroke)}
.hero::after{
  content:"";position:absolute;top:-10%;right:-10%;width:70%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(180,240,60,.75),transparent);
  transform:rotate(-24deg);transform-origin:right center;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;gap:44px;align-items:center;min-height:78vh;max-height:720px;padding-top:56px;padding-bottom:56px}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:1fr 1fr;gap:48px;min-height:78vh}
}
.hero h1{font-size:30px;line-height:1.18;font-weight:700;letter-spacing:-.02em}
@media(min-width:640px){.hero h1{font-size:40px}}
@media(min-width:1024px){.hero h1{font-size:52px;line-height:1.15}}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:18px;font-size:16px;color:var(--text-2);max-width:30ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:24px;border-top:1px solid var(--stroke)}
.stat-num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--support);line-height:1.2}
.stat-label{margin-top:4px;font-size:12px;color:var(--text-3);letter-spacing:.04em}
.hero-visual{position:relative}
.hero-img{border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;position:relative}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,9,.10) 0%,rgba(7,10,9,.78) 100%)}
.glass-card{
  position:relative;margin-top:-64px;margin-left:16px;margin-right:16px;
  background:var(--surface);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 20px 40px -24px rgba(0,0,0,.9);
  padding:16px;display:flex;gap:14px;align-items:center;
}
@media(min-width:768px){.glass-card{margin-left:36px;margin-right:-12px}}
.glass-thumb{width:74px;height:74px;border-radius:14px;overflow:hidden;flex:none}
.glass-thumb img{width:100%;height:100%;object-fit:cover}
.glass-name{font-size:15px;font-weight:600}
.glass-param{font-size:12px;color:var(--text-2);margin-top:2px}
.glass-foot{display:flex;align-items:center;gap:12px;margin-top:8px}
.price{font-family:var(--mono);font-size:17px;font-weight:700;color:var(--accent)}

/* ============ 品类磁贴 ============ */
.tile-row{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.tile-row::-webkit-scrollbar{height:6px}
.tile-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px}
.tile{flex:0 0 132px;scroll-snap-align:start;aspect-ratio:1/1;background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--r-card);padding:16px;display:flex;flex-direction:column;justify-content:space-between;transition:box-shadow .2s ease,border-color .2s ease}
@media(min-width:1024px){.tile-row{display:grid;grid-template-columns:repeat(6,1fr);overflow:visible}.tile{flex:none}}
.tile:hover{border-color:rgba(180,240,60,.35);box-shadow:0 0 28px -6px rgba(180,240,60,.30)}
.tile svg{color:var(--primary)}
.tile-name{font-size:14px;font-weight:600}
.tile-note{font-size:12px;color:var(--text-3);margin-top:2px}

/* ============ 区块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.eyebrow{display:block;font-size:12px;letter-spacing:.14em;color:var(--support);margin-bottom:10px}
.sec-title{font-size:24px;font-weight:700;letter-spacing:-.01em}
@media(min-width:768px){.sec-title{font-size:32px}}
.sec-desc{margin-top:10px;font-size:14px;color:var(--text-2);max-width:56ch}

/* ============ 商品卡 ============ */
.card{background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;height:100%}
.card:hover{border-color:rgba(180,240,60,.35);box-shadow:0 0 0 1px rgba(180,240,60,.35),0 0 28px -6px rgba(180,240,60,.30)}
.card-cover{aspect-ratio:3/2;overflow:hidden;border-radius:var(--r-img);margin:12px 12px 0}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-name{font-size:18px;font-weight:600;line-height:1.35}
.card-feat{font-size:14px;color:var(--text-2)}
.card-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-featured{background:linear-gradient(180deg,rgba(180,240,60,.05),transparent 42%),var(--bg-1)}
.card-featured .card-cover{aspect-ratio:16/9}
.sell-list{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.sell-list li{font-size:13px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start}
.sell-list li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--primary);flex:none;margin-top:8px}

/* ============ 评价轮播 ============ */
.review-wrap{position:relative}
.review-row{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px}
.review-row::-webkit-scrollbar{height:6px}
.review-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px}
.review-card{flex:0 0 84%;scroll-snap-align:start;background:var(--surface);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
@media(min-width:640px){.review-card{flex:0 0 46%}}
@media(min-width:1024px){.review-card{flex:0 0 31%}}
.stars{display:flex;gap:3px;color:var(--accent);font-size:13px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto}
.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;border:1px solid var(--stroke)}
.review-name{font-size:14px;font-weight:600}
.review-role{font-size:12px;color:var(--text-3)}
.carousel-btn{position:absolute;top:38%;width:40px;height:40px;border:1px solid var(--stroke);border-radius:50%;display:none;place-items:center;color:var(--text-2);background:rgba(12,18,17,.8);transition:border-color .18s ease,color .18s ease}
.carousel-btn:hover{border-color:var(--primary);color:var(--primary)}
@media(min-width:1024px){.carousel-btn{display:grid}.carousel-prev{left:-18px}.carousel-next{right:-18px}}

/* ============ 保障条 ============ */
.guard{background:var(--bg-1);border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}
.guard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:36px 0}
@media(min-width:1024px){.guard-grid{grid-template-columns:repeat(4,1fr);gap:32px}}
.guard-item{display:flex;gap:12px;align-items:flex-start}
.guard-item svg{color:var(--primary);flex:none;margin-top:2px}
.guard-title{font-size:14px;font-weight:600}
.guard-note{font-size:12px;color:var(--text-3);margin-top:3px;line-height:1.6}

/* ============ 大 CTA ============ */
.cta-band{border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);background:var(--bg-1);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:22px;border:1px solid rgba(180,240,60,.30);border-radius:var(--r-card);pointer-events:none}
.cta-inner{position:relative;min-height:180px;display:flex;flex-direction:column;gap:20px;align-items:flex-start;justify-content:center;padding:48px 34px}
@media(min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;min-height:210px;padding:52px 44px}}
.cta-title{font-size:22px;font-weight:700;letter-spacing:-.01em}
@media(min-width:768px){.cta-title{font-size:28px}}
.cta-note{font-size:14px;color:var(--text-2);margin-top:8px}

/* ============ 资讯列表 ============ */
.news-card{position:relative;background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;gap:10px;min-height:206px;transition:box-shadow .2s ease,border-color .2s ease}
.news-card:hover{border-color:rgba(180,240,60,.35);box-shadow:0 0 0 1px rgba(180,240,60,.32),0 0 28px -6px rgba(180,240,60,.26)}
.news-tag{position:absolute;top:16px;right:16px;font-size:12px;letter-spacing:.04em;color:var(--support);background:rgba(111,214,192,.10);padding:3px 9px;border-radius:999px}
.news-title{font-size:18px;font-weight:600;line-height:1.4;padding-right:56px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sum{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}
.empty-state{border:1px dashed var(--stroke-strong);border-radius:var(--r-card);padding:40px 24px;text-align:center;color:var(--text-2);font-size:14px}
.empty-state .text-link{display:inline-block;margin-top:12px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--stroke)}
.faq-item{border-bottom:1px solid var(--stroke)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0;font-size:16px;font-weight:600;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item[open] summary{color:var(--primary)}
.faq-icon{flex:none;width:20px;height:20px;position:relative;transition:transform .18s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;right:0;top:9.5px;height:1.5px}
.faq-icon::after{top:0;bottom:0;left:9.5px;width:1.5px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 0 22px 16px;margin-left:2px;border-left:3px solid var(--primary);font-size:15px;color:var(--text-2)}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--stroke);background:var(--bg-1);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .18s ease}
.footer-links a:hover{color:var(--primary)}
.footer-desc{font-size:14px;color:var(--text-2);margin-top:14px;max-width:34ch}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--stroke);border-radius:10px;color:var(--text-2);transition:border-color .18s ease,color .18s ease}
.social-btn:hover{border-color:var(--primary);color:var(--primary)}
.sub-form{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.sub-input{flex:1 1 160px;background:rgba(255,255,255,.03);border:1px solid var(--stroke);border-radius:12px;padding:11px 14px;font-size:14px;color:var(--text-1);transition:border-color .18s ease,box-shadow .18s ease}
.sub-input::placeholder{color:var(--text-3)}
.sub-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(180,240,60,.12)}
.footer-contact{font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.8}
.copyright{margin-top:44px;border-top:1px solid var(--stroke);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:var(--text-3)}

/* roulang page: article */
:root{
  --bg-0:#070A09;
  --bg-1:#0C1211;
  --surface:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.10);
  --primary:#B4F03C;
  --primary-dim:#8CC627;
  --accent:#FF7A2F;
  --support:#6FD6C0;
  --text-1:#F1F5F2;
  --text-2:#A6B0AB;
  --text-3:#6C7671;
  --paper:#F4F6F1;
  --ink:#12171A;
  --ink-soft:#1B2320;
  --ink-link:#4C7A12;
  --radius-card:20px;
  --radius-img:16px;
  --radius-btn:12px;
}
*,*::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:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
.num{font-family:ui-monospace,"SFMono-Regular",Inter,Menlo,monospace;font-weight:600;letter-spacing:-.01em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:640px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-md{height:44px;padding:0 22px;font-size:15px;}
.btn-primary{background:var(--primary);color:#0A0F0C;}
.btn-primary:hover{background:#C4F760;transform:translateY(-2px);box-shadow:0 0 24px -4px rgba(180,240,60,.55);}
.btn-primary:active{transform:translateY(0);background:var(--primary-dim);}
.btn-ghost{border:1px solid var(--stroke);color:var(--text-1);background:transparent;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-text{color:var(--text-2);font-size:14px;border-bottom:1px solid transparent;padding:0;height:auto;}
.btn-text:hover{color:var(--primary);border-bottom-color:var(--primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:72px;
  background:rgba(7,10,9,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--stroke);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:height .2s ease,background .2s ease;
}
.site-header.is-scrolled{height:58px;background:rgba(12,18,17,.94);}
.nav-wrap{height:100%;display:flex;align-items:center;gap:26px;}
.brand{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:700;letter-spacing:-.01em;transition:font-size .2s ease;}
.brand-mark{width:11px;height:11px;border-radius:3px;background:var(--primary);box-shadow:0 0 14px rgba(180,240,60,.6);flex:0 0 auto;}
.brand-text{white-space:nowrap;}
.brand-cn{color:var(--text-2);font-weight:600;font-size:14px;margin-left:2px;}
.site-header.is-scrolled .brand{font-size:17px;}
.nav-desktop{display:flex;align-items:center;gap:20px;margin-left:10px;}
.nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;transition:color .18s ease;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .18s ease-out;}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{display:none;}
.nav-link.is-active::before{content:"";position:absolute;left:50%;bottom:-7px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--primary);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--stroke);
  border-radius:10px;color:var(--text-2);transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(180,240,60,.4);background:rgba(180,240,60,.06);}
.menu-btn{
  display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:7px;
  border:1px solid var(--stroke);border-radius:10px;
}
.menu-btn span{display:block;width:16px;height:1.5px;background:var(--text-1);transition:transform .18s ease;}
.menu-btn.is-open span:nth-child(1){transform:translateY(4.25px) rotate(45deg);}
.menu-btn.is-open span:nth-child(2){transform:translateY(-4.25px) rotate(-45deg);}
.drawer{
  position:fixed;top:0;right:0;width:80%;max-width:340px;height:100%;
  background:#0A100F;border-left:1px solid var(--stroke);z-index:80;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:18px 0 24px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 14px;border-bottom:1px solid var(--stroke);}
.drawer-close{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--stroke);border-radius:10px;color:var(--text-2);}
.drawer-close:hover{color:var(--primary);border-color:rgba(180,240,60,.4);}
.drawer-links{display:flex;flex-direction:column;padding:8px 0;}
.drawer-links a{font-size:20px;line-height:64px;padding:0 22px;color:var(--text-1);border-bottom:1px solid rgba(255,255,255,.07);transition:color .18s ease,background .18s ease;}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--primary);background:rgba(180,240,60,.05);}
.drawer-foot{margin-top:auto;padding:18px 22px 0;border-top:1px solid var(--stroke);}
.drawer-foot .btn{width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(4,7,6,.66);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
@media(max-width:1023px){
  .nav-desktop{display:none;}
  .menu-btn{display:flex;}
  .nav-right .btn-primary{display:none;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;padding:26px 0 0;font-size:12px;color:var(--text-3);}
.breadcrumb a{color:var(--text-3);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.crumb-current{color:var(--text-2);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{padding:20px 0 26px;border-bottom:1px solid var(--stroke);margin-top:22px;}
.article-hero-inner{display:flex;gap:28px;align-items:flex-start;justify-content:space-between;}
.article-title{
  font-size:30px;line-height:1.26;font-weight:700;letter-spacing:-.02em;
  margin:0 0 16px;max-width:860px;
}
@media(min-width:768px){.article-title{font-size:36px;}}
@media(min-width:1024px){.article-title{font-size:40px;}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12.5px;color:var(--text-3);}
.article-meta .dot{opacity:.55;}
.tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;
  background:rgba(111,214,192,.12);color:var(--support);
}
.share-row{display:flex;gap:10px;flex:0 0 auto;}
.share-btn{
  width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--stroke);
  border-radius:12px;color:var(--text-2);transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.share-btn:hover{color:var(--primary);border-color:rgba(180,240,60,.4);transform:translateY(-2px);}
.toc-toggle{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--stroke);border-radius:12px;color:var(--text-2);font-size:14px;
}
.toc-toggle:hover{color:var(--primary);border-color:rgba(180,240,60,.4);}
@media(min-width:1280px){.toc-toggle{display:none;}}

/* ---------- 主体布局 ---------- */
.article-main{padding:40px 0 0;}
.article-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1280px){.article-layout{grid-template-columns:200px minmax(0,1fr);gap:34px;}}
.toc-aside{display:none;}
@media(min-width:1280px){.toc-aside{display:block;}}
.toc-aside.is-open{
  display:block;position:fixed;left:16px;right:16px;bottom:16px;top:auto;
  max-height:52vh;overflow:auto;z-index:75;background:#0C1211;
  border:1px solid var(--stroke);border-radius:16px;padding:16px 18px;
  box-shadow:0 24px 60px -24px rgba(0,0,0,.8);
}
.toc-inner{position:sticky;top:96px;}
.toc-title{font-size:12px;letter-spacing:.1em;color:var(--text-3);margin-bottom:12px;}
.toc-list{display:flex;flex-direction:column;border-left:1px solid var(--stroke);}
.toc-list a{
  display:block;font-size:13px;line-height:1.6;color:var(--text-3);
  padding:7px 0 7px 13px;border-left:2px solid transparent;margin-left:-1px;
  transition:color .18s ease,border-color .18s ease;
}
.toc-list a:hover{color:var(--text-1);}
.toc-list a.is-current{color:var(--primary);border-left-color:var(--primary);}

/* ---------- 纸面板与正文排版 ---------- */
.paper{
  background:var(--paper);color:var(--ink);border-radius:var(--radius-card);
  padding:26px 20px;box-shadow:0 30px 80px -40px rgba(0,0,0,.85);
}
@media(min-width:768px){.paper{padding:40px 44px;}}
@media(min-width:1024px){.paper{padding:52px 56px;}}
.article-body{
  max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.85;color:var(--ink-soft);
}
@media(min-width:768px){.article-body{font-size:17px;}}
.article-body>p:first-child{font-size:17.5px;color:#26312B;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:23px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);margin:48px 0 16px;padding-left:16px;
}
@media(min-width:768px){.article-body h2{font-size:26px;}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:20px;border-radius:2px;background:var(--primary-dim);
}
.article-body h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--ink);margin:32px 0 12px;}
@media(min-width:768px){.article-body h3{font-size:22px;}}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body li{margin:0 0 .55em;line-height:1.9;}
.article-body ul li::marker{color:var(--primary-dim);}
.article-body ol li::marker{color:var(--primary-dim);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:14px 20px;border-left:3px solid var(--primary-dim);
  background:rgba(140,198,39,.11);border-radius:0 12px 12px 0;color:#2B3630;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:26px auto;width:100%;height:auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--ink-link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{font-weight:600;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid rgba(18,23,26,.12);padding:10px 12px;text-align:left;}
.article-body th{background:#E7EBE3;font-weight:600;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid rgba(18,23,26,.12);margin:34px 0;}
.article-body code{
  font-family:ui-monospace,Menlo,monospace;font-size:14px;
  background:rgba(18,23,26,.06);padding:2px 6px;border-radius:6px;
}
.empty-state{
  border:1px dashed rgba(18,23,26,.28);border-radius:14px;padding:52px 20px;
  text-align:center;color:#4A554E;font-size:15px;
}
.empty-state strong{display:block;font-size:18px;color:var(--ink);margin-bottom:10px;}
.empty-state a{display:inline-block;margin-top:14px;color:var(--ink-link);text-decoration:underline;}

/* ---------- 继续阅读 ---------- */
.read-next{display:grid;grid-template-columns:1fr;gap:20px;margin-top:40px;}
@media(min-width:640px){.read-next{grid-template-columns:1fr 1fr;}}
.next-card{
  display:block;background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--radius-card);
  padding:20px 22px;transition:border-color .18s ease,box-shadow .18s ease;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.next-card:hover{border-color:rgba(180,240,60,.35);box-shadow:0 0 28px -6px rgba(180,240,60,.30);}
.next-card .dir{font-size:12px;letter-spacing:.08em;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.next-card .dir::before{content:"";width:14px;height:2px;background:var(--primary);display:inline-block;}
.next-card h3{font-size:16.5px;line-height:1.5;font-weight:600;margin:10px 0 0;color:var(--text-1);}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0;border-top:1px solid var(--stroke);margin-top:52px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:24px;font-weight:700;letter-spacing:-.01em;margin:0;}
@media(min-width:768px){.section-head h2{font-size:30px;}}
.section-head p{margin:8px 0 0;font-size:14px;color:var(--text-2);}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--stroke);
  border-radius:var(--radius-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.news-card:hover{border-color:rgba(180,240,60,.35);box-shadow:0 0 28px -6px rgba(180,240,60,.30);}
.news-card .thumb{aspect-ratio:3/2;background:var(--bg-1);overflow:hidden;}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;}
.news-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card .name{font-size:17px;font-weight:600;line-height:1.5;color:var(--text-1);}
.news-card .desc{font-size:14px;color:var(--text-2);margin:0;}
.news-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--stroke);}
.news-card .foot .time{font-size:12px;color:var(--text-3);}
.back-cat{display:inline-flex;align-items:center;gap:8px;margin-top:30px;font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;}
.back-cat:hover{color:var(--primary);border-bottom-color:var(--primary);}

/* ---------- 通栏 CTA ---------- */
.cta-band{margin-top:72px;padding:0 0 72px;}
.cta-box{
  border:1px solid rgba(180,240,60,.42);border-radius:var(--radius-card);
  background:linear-gradient(180deg,#0C1211 0%,#080D0C 100%);
  min-height:186px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;padding:36px 28px;
}
@media(min-width:768px){.cta-box{padding:44px 48px;}}
.cta-box h2{font-size:22px;font-weight:700;margin:0 0 8px;letter-spacing:-.01em;}
@media(min-width:768px){.cta-box h2{font-size:27px;}}
.cta-box p{margin:0;font-size:14.5px;color:var(--text-2);max-width:46ch;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:36px;}}
.footer-desc{font-size:14px;color:var(--text-2);margin:14px 0 18px;max-width:300px;}
.social-row{display:flex;gap:10px;}
.social-btn{
  width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--stroke);
  border-radius:10px;color:var(--text-2);transition:color .18s ease,border-color .18s ease;
}
.social-btn:hover{color:var(--primary);border-color:rgba(180,240,60,.4);}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--text-1);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .18s ease;}
.footer-links a:hover{color:var(--primary);}
.footer-contact{font-size:13.5px;line-height:1.9;color:var(--text-2);margin:0 0 16px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-input{
  flex:1 1 160px;min-width:0;height:38px;padding:0 14px;border-radius:12px;
  background:rgba(255,255,255,.03);border:1px solid var(--stroke);color:var(--text-1);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-input::placeholder{color:var(--text-3);}
.sub-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(180,240,60,.12);}
.copyright{
  border-top:1px solid var(--stroke);margin-top:48px;padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);
}

/* roulang page: category1 */
:root{
    --bg-0:#070A09;
    --bg-1:#0C1211;
    --surface:rgba(255,255,255,.045);
    --stroke:rgba(255,255,255,.10);
    --primary:#B4F03C;
    --primary-dim:#8CC627;
    --accent:#FF7A2F;
    --support:#6FD6C0;
    --text-1:#F1F5F2;
    --text-2:#A6B0AB;
    --text-3:#6C7671;
    --paper:#F4F6F1;
    --ink:#12171A;
    --r-card:20px;
    --r-img:16px;
    --r-btn:12px;
    --mono:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background-color:var(--bg-0);
    background-image:
      radial-gradient(900px 480px at 84% -8%, rgba(180,240,60,.075), transparent 65%),
      radial-gradient(720px 420px at 4% 16%, rgba(111,214,192,.055), transparent 70%);
    background-attachment:fixed;
    color:var(--text-1);
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .num{font-family:var(--mono);font-weight:600;letter-spacing:-.01em;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
  @media (min-width:640px){.container{padding-left:24px;padding-right:24px;}}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:80px 0;}}
  @media (min-width:1024px){.section{padding:112px 0;}}
  .hairline{border-top:1px solid var(--stroke);}

  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .sec-title{font-size:24px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
  @media (min-width:768px){.sec-title{font-size:32px;}}
  .sec-sub{margin-top:8px;color:var(--text-2);font-size:14px;}
  .text-link{color:var(--text-2);font-size:14px;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
  .text-link:hover{color:var(--primary);border-bottom-color:var(--primary);}

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;height:72px;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:height .25s ease,background .25s ease,border-color .25s ease;
  }
  .site-header.is-scrolled{
    height:58px;
    background:rgba(7,10,9,.72);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom-color:var(--stroke);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  }
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px;}
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{width:12px;height:12px;border-radius:3px;background:var(--primary);box-shadow:0 0 14px rgba(180,240,60,.55);}
  .brand-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text-1);transition:font-size .25s ease;}
  .site-header.is-scrolled .brand-text{font-size:17px;}
  .brand-cn{color:var(--text-2);font-weight:500;margin-left:2px;}
  .brand:hover .brand-cn{color:var(--primary);}

  .nav-desktop{display:none;align-items:center;gap:20px;}
  @media (min-width:1024px){.nav-desktop{display:flex;}}
  .nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .18s ease;}
  .nav-link::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--primary);transition:width .18s ease-out;
  }
  .nav-link:hover{color:var(--text-1);}
  .nav-link:hover::after{width:100%;}
  .nav-link.is-active{color:var(--primary);}
  .nav-link.is-active::after{width:0;}
  .nav-link.is-active::before{
    content:"";position:absolute;left:50%;bottom:-9px;transform:translateX(-50%);
    width:5px;height:5px;border-radius:50%;background:var(--primary);
  }
  .site-header.is-scrolled .nav-link{font-size:14px;}

  .nav-right{display:flex;align-items:center;gap:14px;}
  .icon-btn{
    width:36px;height:36px;border-radius:50%;border:1px solid var(--stroke);
    display:flex;align-items:center;justify-content:center;color:var(--text-2);
    transition:color .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .icon-btn:hover{color:var(--primary);border-color:rgba(180,240,60,.5);box-shadow:0 0 18px -6px rgba(180,240,60,.5);}
  .menu-btn{width:36px;height:36px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;}
  .menu-btn span{display:block;width:20px;height:1.5px;background:var(--text-1);transition:transform .2s ease;}
  .menu-btn:hover span{background:var(--primary);}
  @media (min-width:1024px){.menu-btn{display:none;}}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;
    height:46px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  }
  .btn-primary{background:var(--primary);color:var(--bg-0);}
  .btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 24px -4px rgba(180,240,60,.55);}
  .btn-ghost{border:1px solid var(--stroke);color:var(--text-1);background:transparent;}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}
  .btn:focus-visible,.nav-link:focus-visible,.icon-btn:focus-visible,.chip:focus-visible,.faq-q:focus-visible,.text-link:focus-visible{
    outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;
  }

  /* ---------- drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(3,5,4,.6);opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:80%;max-width:380px;
    background:#0A0F0E;border-left:1px solid var(--stroke);
    transform:translateX(100%);transition:transform .3s ease;z-index:90;
    display:flex;flex-direction:column;padding:20px 22px 28px;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--stroke);}
  .drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--stroke);display:flex;align-items:center;justify-content:center;color:var(--text-2);}
  .drawer-close:hover{color:var(--primary);border-color:rgba(180,240,60,.5);}
  .drawer-nav{margin-top:8px;display:flex;flex-direction:column;}
  .drawer-nav a{
    font-size:20px;line-height:64px;color:var(--text-2);border-bottom:1px solid var(--stroke);
    transition:color .18s ease;
  }
  .drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);}
  .drawer-foot{margin-top:auto;padding-top:20px;}

  /* ---------- breadcrumb ---------- */
  .crumb{padding-top:26px;padding-bottom:22px;font-size:12px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
  .crumb a{color:var(--text-3);transition:color .18s ease;}
  .crumb a:hover{color:var(--primary);}
  .crumb .sep{color:rgba(255,255,255,.22);}
  .crumb .current{color:var(--text-2);}

  /* ---------- category hero ---------- */
  .cat-hero{padding-bottom:40px;}
  @media (min-width:768px){.cat-hero{padding-bottom:56px;}}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
  @media (min-width:900px){.hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.08em;color:var(--support);
    background:rgba(111,214,192,.10);border-radius:999px;padding:5px 12px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--support);}
  .hero-h1{
    margin-top:18px;font-size:30px;line-height:1.18;font-weight:700;letter-spacing:-.02em;
  }
  @media (min-width:640px){.hero-h1{font-size:40px;}}
  @media (min-width:1024px){.hero-h1{font-size:50px;}}
  .hero-lead{margin-top:16px;color:var(--text-2);font-size:15.5px;max-width:520px;}
  .hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}
  .hero-stats{margin-top:34px;display:flex;flex-wrap:wrap;gap:34px;}
  .stat-num{font-size:26px;color:var(--support);line-height:1.1;}
  .stat-label{display:block;margin-top:6px;font-size:12px;color:var(--text-3);letter-spacing:.04em;}
  .hero-visual{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--stroke);}
  .hero-visual img{width:100%;aspect-ratio:3/2;object-fit:cover;}
  .hero-visual::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,10,9,.05) 30%,rgba(7,10,9,.72) 100%);
  }
  .hero-visual-cap{
    position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
    font-size:13px;color:var(--text-1);display:flex;align-items:center;gap:10px;
  }
  .hero-visual-cap .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(180,240,60,.7);}

  /* ---------- category body ---------- */
  .cat-body{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
  @media (min-width:1024px){.cat-body{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px;}}
  .gear-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:640px){.gear-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
  @media (min-width:1024px){.gear-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}

  .gear-card{
    display:flex;flex-direction:column;
    background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--r-card);
    padding:16px;
    box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
    transition:box-shadow .2s ease,border-color .2s ease;
  }
  .gear-card:hover{
    border-color:rgba(180,240,60,.35);
    box-shadow:0 0 0 1px rgba(180,240,60,.35),0 0 28px -6px rgba(180,240,60,.30);
  }
  .gear-card img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);background:var(--bg-1);}
  .tag-support{
    display:inline-block;margin-top:14px;
    font-size:12px;letter-spacing:.04em;padding:4px 10px;border-radius:999px;
    background:rgba(111,214,192,.10);color:var(--support);
  }
  .gear-name{margin-top:10px;font-size:18px;font-weight:600;line-height:1.35;}
  .gear-point{margin-top:8px;font-size:14px;color:var(--text-2);}
  .gear-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .price{font-size:18px;color:var(--accent);}
  .price small{font-size:12px;color:var(--text-3);margin-left:2px;font-weight:500;}
  .add-btn{
    height:34px;padding:0 14px;border-radius:10px;font-size:13px;font-weight:600;
    border:1px solid rgba(180,240,60,.55);color:var(--primary);background:transparent;
    transition:background .18s ease,color .18s ease,transform .18s ease;
  }
  .add-btn:hover{background:var(--primary);color:var(--bg-0);transform:translateY(-1px);}
  .add-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

  /* ---------- sidebar ---------- */
  .cat-side{display:flex;flex-direction:column;gap:20px;}
  @media (min-width:1024px){
    .cat-side{position:sticky;top:88px;}
  }
  .side-card{
    background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--r-card);padding:22px;
    box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  }
  .side-title{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;}
  .side-title::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--primary);}
  .filter-group{margin-top:18px;}
  .filter-group:first-of-type{margin-top:16px;}
  .filter-label{font-size:12px;letter-spacing:.06em;color:var(--text-3);}
  .chip-row{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;}
  .chip{
    font-size:12.5px;padding:6px 12px;border-radius:999px;
    border:1px solid var(--stroke);color:var(--text-2);background:transparent;
    transition:color .18s ease,border-color .18s ease,background .18s ease;
  }
  .chip:hover{color:var(--text-1);border-color:rgba(255,255,255,.22);}
  .chip.is-on{background:rgba(180,240,60,.12);border-color:rgba(180,240,60,.5);color:var(--primary);}
  .spec-list{margin-top:16px;display:flex;flex-direction:column;}
  .spec-list li{
    display:flex;align-items:baseline;justify-content:space-between;gap:14px;
    padding:12px 0;border-bottom:1px solid var(--stroke);font-size:14px;
  }
  .spec-list li:last-child{border-bottom:0;padding-bottom:0;}
  .spec-list .k{color:var(--text-2);}
  .spec-list .v{color:var(--text-1);}
  .side-cta{margin-top:18px;font-size:14px;color:var(--text-2);}

  /* ---------- compare table ---------- */
  .table-scroll{overflow-x:auto;border-radius:var(--r-card);border:1px solid var(--stroke);background:var(--bg-1);}
  table.cmp{width:100%;min-width:720px;border-collapse:collapse;}
  table.cmp th,table.cmp td{
    padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--stroke);white-space:nowrap;
  }
  table.cmp thead th{font-size:12px;letter-spacing:.06em;color:var(--text-3);font-weight:500;background:rgba(255,255,255,.02);}
  table.cmp tbody tr:last-child td{border-bottom:0;}
  table.cmp tbody tr{transition:background .18s ease;}
  table.cmp tbody tr:hover{background:rgba(180,240,60,.04);}
  table.cmp td.name{color:var(--text-1);font-weight:600;}
  table.cmp td.money{color:var(--accent);}

  /* ---------- faq ---------- */
  .faq-list{border-top:1px solid var(--stroke);}
  .faq-item{border-bottom:1px solid var(--stroke);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
    position:relative;transition:color .18s ease;
  }
  .faq-q:hover{color:var(--primary);}
  .faq-q::before{
    content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
    width:3px;height:0;background:var(--primary);border-radius:2px;transition:height .2s ease;
  }
  .faq-item.is-open .faq-q::before{height:20px;}
  .faq-icon{flex:none;color:var(--text-2);display:flex;}
  .faq-icon svg{transition:transform .18s ease;}
  .faq-item.is-open .faq-icon svg{transform:rotate(45deg);color:var(--primary);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 0 22px;font-size:15px;color:var(--text-2);max-width:760px;}

  /* ---------- cta band ---------- */
  .cta-band{
    display:flex;flex-direction:column;gap:24px;
    padding:40px 28px;border-radius:var(--r-card);
    background:linear-gradient(120deg,rgba(180,240,60,.10),rgba(7,10,9,.2) 55%),var(--bg-1);
    border:1px solid rgba(180,240,60,.38);
  }
  .cta-band h2{font-size:22px;font-weight:700;letter-spacing:-.01em;}
  .cta-band p{margin-top:10px;color:var(--text-2);font-size:14.5px;}
  @media (min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 48px;gap:40px;}
    .cta-band h2{font-size:28px;}
  }

  /* ---------- footer ---------- */
  .site-footer{margin-top:56px;border-top:1px solid var(--stroke);background:var(--bg-1);padding:56px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:44px;}}
  .footer-desc{margin-top:14px;font-size:14px;color:var(--text-2);max-width:300px;}
  .social-row{margin-top:18px;display:flex;gap:10px;}
  .social-btn{
    width:36px;height:36px;border-radius:50%;border:1px solid var(--stroke);
    display:flex;align-items:center;justify-content:center;color:var(--text-2);
    transition:color .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .social-btn:hover{color:var(--primary);border-color:rgba(180,240,60,.5);box-shadow:0 0 18px -6px rgba(180,240,60,.5);}
  .footer-title{font-size:13px;letter-spacing:.06em;color:var(--text-3);}
  .footer-links{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
  .footer-links a{font-size:14px;color:var(--text-2);transition:color .18s ease;}
  .footer-links a:hover{color:var(--primary);}
  .footer-contact{margin-top:16px;font-size:14px;color:var(--text-2);}
  .sub-form{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap;}
  .sub-input{
    flex:1 1 160px;height:38px;padding:0 14px;border-radius:12px;
    background:#080C0B;border:1px solid var(--stroke);color:var(--text-1);font-size:14px;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .sub-input::placeholder{color:var(--text-3);}
  .sub-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(180,240,60,.12);}
  .copyright{
    margin-top:44px;padding-top:22px;border-top:1px solid var(--stroke);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12px;color:var(--text-3);
  }

/* roulang page: category2 */
:root{
  --bg-0:#070A09;
  --bg-1:#0C1211;
  --surface:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.10);
  --primary:#B4F03C;
  --primary-dim:#8CC627;
  --accent:#FF7A2F;
  --support:#6FD6C0;
  --text-1:#F1F5F2;
  --text-2:#A6B0AB;
  --text-3:#6C7671;
  --paper:#F4F6F1;
  --ink:#12171A;
  --radius-card:20px;
  --radius-img:16px;
  --radius-btn:12px;
}
*,*::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:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-family:Inter,ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:112px 0;border-top:1px solid var(--stroke)}
.section-tight{padding:80px 0;border-top:1px solid var(--stroke)}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:70;background:transparent;transition:background .25s ease,backdrop-filter .25s ease,border-color .25s ease}
.site-header.is-scrolled{background:rgba(7,10,9,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--stroke)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .25s ease}
.site-header.is-scrolled .nav-wrap{height:58px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--primary);box-shadow:0 0 16px rgba(180,240,60,.6);flex:none}
.brand-text{font-size:19px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;transition:font-size .25s ease}
.site-header.is-scrolled .brand-text{font-size:17px}
.brand-cn{color:var(--primary);font-weight:600;margin-left:1px}
.nav-desktop{display:flex;align-items:center;gap:20px}
.nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:6px 2px;transition:color .18s ease}
.site-header.is-scrolled .nav-link{font-size:13.8px}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--primary);transition:width .18s ease-out}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::before{content:"";position:absolute;left:50%;bottom:-9px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--primary)}
.nav-link.is-active::after{width:0}
.nav-right{display:flex;align-items:center;gap:14px}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--stroke);border-radius:10px;background:transparent;color:var(--text-2);cursor:pointer;transition:.2s}
.icon-btn:hover{color:var(--primary);border-color:var(--primary)}
.menu-btn{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:38px;height:38px;border:1px solid var(--stroke);border-radius:10px;background:transparent;cursor:pointer}
.menu-btn span{display:block;width:16px;height:1.5px;background:var(--text-1);border-radius:2px;transition:.2s}
.menu-btn:hover span{background:var(--primary)}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-size:14.5px;font-weight:600;padding:12px 22px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:var(--primary);color:#070A09}
.btn-primary:hover{background:#C2F75C;transform:translateY(-2px);box-shadow:0 0 24px rgba(180,240,60,.35)}
.btn-primary:active{background:var(--primary-dim);transform:translateY(0)}
.btn-outline{border-color:var(--stroke);color:var(--text-1);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-lg{padding:15px 30px;font-size:15.5px}

/* ============ badges ============ */
.badge{display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;padding:4px 10px;border-radius:999px;line-height:1.4}
.badge-support{background:rgba(111,214,192,.10);color:var(--support);border:1px solid rgba(111,214,192,.22)}
.badge-accent{background:rgba(255,122,47,.10);color:var(--accent);border:1px solid rgba(255,122,47,.25)}

/* ============ breadcrumb ============ */
.crumb{padding:22px 0 0;font-size:12px;color:var(--text-3)}
.crumb a{color:var(--text-3);transition:color .18s}
.crumb a:hover{color:var(--primary)}
.crumb .sep{margin:0 8px;color:rgba(255,255,255,.22)}
.crumb .now{color:var(--text-2)}

/* ============ banner ============ */
.cat-banner{position:relative;margin-top:20px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--stroke)}
.cat-banner-img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;position:absolute;inset:0}
.cat-banner-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,10,9,.94) 0%,rgba(7,10,9,.74) 44%,rgba(7,10,9,.32) 100%)}
.cat-banner-inner{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;min-height:min(58vh,520px);padding-top:120px;padding-bottom:56px}
.cat-banner h1{font-size:48px;line-height:1.16;font-weight:700;letter-spacing:-.02em;max-width:820px;margin:16px 0 18px}
.cat-banner .lead{font-size:17px;color:var(--text-2);max-width:640px}
.banner-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:34px}
.bs-num{font-size:30px;font-weight:700;color:var(--support);line-height:1.2}
.bs-label{font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-top:6px}

/* ============ section head ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec-eyebrow{font-size:12px;letter-spacing:.16em;color:var(--support);text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:-.015em}
.sec-head p{font-size:15px;color:var(--text-2);margin-top:12px;max-width:620px}
.sec-link{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--stroke);padding-bottom:3px;transition:.2s;white-space:nowrap}
.sec-link:hover{color:var(--primary);border-color:var(--primary)}

/* ============ staggered cards ============ */
.stagger{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.stagger-col-b{margin-top:40px}
.s-card{display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--radius-card);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease}
.s-card:hover{box-shadow:0 0 0 1px rgba(180,240,60,.35),0 0 28px -6px rgba(180,240,60,.30)}
.s-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.s-card-body{padding:22px 24px 24px}
.s-card h3{font-size:20px;font-weight:600;line-height:1.4;margin:12px 0 10px}
.s-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.s-card .meta{margin-top:16px;font-size:12px;color:var(--text-3);letter-spacing:.04em}

/* ============ timeline ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--stroke)}
.tl-step{position:relative;padding-top:36px}
.tl-dot{position:absolute;top:0;left:0;width:19px;height:19px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 6px rgba(180,240,60,.10)}
.tl-label{font-size:12px;letter-spacing:.06em;color:var(--support)}
.tl-step h3{font-size:16px;font-weight:600;margin:8px 0 10px}
.tl-step p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ faq ============ */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--stroke)}
.faq-item:first-child{border-top:1px solid var(--stroke)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:22px 0 22px 16px;font-size:16px;font-weight:600;color:var(--text-1);transition:color .18s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--primary);border-radius:2px;transition:height .2s ease}
.faq-item[open] summary::before{height:22px}
.faq-item summary:hover{color:var(--primary)}
.fq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;margin-top:5px}
.fq-icon::before,.fq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.fq-icon::before{top:7px;left:0;width:16px;height:1.5px}
.fq-icon::after{left:7px;top:0;width:1.5px;height:16px;transition:transform .18s ease,opacity .18s ease}
.faq-item[open] .fq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 0 24px 16px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:760px}

/* ============ cta band ============ */
.cta-band{margin:0 auto;border:1px solid rgba(180,240,60,.45);border-radius:var(--radius-card);background:linear-gradient(120deg,rgba(180,240,60,.07),rgba(7,10,9,0));padding:56px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:28px;font-weight:700;line-height:1.3;letter-spacing:-.015em}
.cta-inner p{font-size:14.5px;color:var(--text-2);margin-top:10px}

/* ============ footer ============ */
.site-footer{border-top:1px solid var(--stroke);background:var(--bg-1);padding:80px 0 0;margin-top:112px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-desc{font-size:14px;color:var(--text-2);margin-top:16px;max-width:300px;line-height:1.8}
.footer-title{font-size:13px;letter-spacing:.06em;color:var(--text-1);font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .18s}
.footer-links a:hover{color:var(--primary)}
.footer-contact{font-size:14px;color:var(--text-2);line-height:1.9;margin-bottom:18px}
.social-row{display:flex;gap:10px;margin-top:22px}
.social-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--stroke);border-radius:10px;color:var(--text-2);transition:.2s}
.social-btn:hover{color:var(--primary);border-color:var(--primary)}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-input{flex:1 1 150px;min-width:0;background:#080C0B;border:1px solid var(--stroke);border-radius:12px;padding:11px 14px;color:var(--text-1);font-size:14px;transition:.2s}
.sub-input::placeholder{color:var(--text-3)}
.sub-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(180,240,60,.12)}
.copyright{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--stroke);margin-top:64px;padding:24px 0;font-size:12.5px;color:var(--text-3)}

/* ============ mobile panel ============ */
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:.25s;z-index:80}
.mobile-overlay.open{opacity:1;visibility:visible}
.mobile-panel{position:fixed;top:0;right:0;height:100%;width:80%;max-width:340px;background:#080C0B;border-left:1px solid var(--stroke);transform:translateX(100%);transition:transform .28s ease;z-index:90;display:flex;flex-direction:column;padding:22px}
.mobile-panel.open{transform:translateX(0)}
.mp-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--stroke)}
.mp-close{width:34px;height:34px;border:1px solid var(--stroke);border-radius:10px;background:transparent;color:var(--text-1);font-size:16px;line-height:1;cursor:pointer}
.mp-close:hover{border-color:var(--primary);color:var(--primary)}
.mp-nav{display:flex;flex-direction:column;margin-top:12px}
.mp-nav a{font-size:20px;color:var(--text-2);line-height:64px;border-bottom:1px solid var(--stroke);transition:color .18s}
.mp-nav a:hover{color:var(--text-1)}
.mp-nav a.is-active{color:var(--primary)}
.mp-cta{margin-top:auto}

/* ============ responsive ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:80px 0}
  .section-tight{padding:64px 0}
  .cat-banner h1{font-size:34px}
  .sec-head h2{font-size:26px}
  .stagger{grid-template-columns:1fr;gap:24px}
  .stagger-col-b{margin-top:0}
  .timeline{grid-template-columns:1fr 1fr;gap:28px 24px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px}
}
@media (max-width:900px){
  .nav-desktop{display:none}
  .menu-btn{display:flex}
  .nav-right .icon-btn{display:none}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:52px 0}
  .nav-wrap{height:64px}
  .brand-text{font-size:17px}
  .cat-banner{border-radius:16px}
  .cat-banner-inner{min-height:auto;padding-top:96px;padding-bottom:36px}
  .cat-banner h1{font-size:30px;margin:14px 0 14px}
  .cat-banner .lead{font-size:15.5px}
  .cat-banner-img{aspect-ratio:4/5}
  .banner-stats{gap:28px;margin-top:26px}
  .bs-num{font-size:24px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .s-card h3{font-size:18px}
  .timeline{grid-template-columns:1fr;gap:24px}
  .cta-band{padding:28px;border-radius:16px}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:56px;margin-top:56px}
  .copyright{margin-top:40px}
}