/* roulang page: index */
:root{
  --bg:#0A0B0F;
  --layer-1:#12141C;
  --layer-2:#1A1D27;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --gold:#E8B05A;
  --gold-soft:rgba(232,176,90,.14);
  --cyan:#2EE6C5;
  --cyan-soft:rgba(46,230,197,.10);
  --magenta:#FF5C7A;
  --t-1:#F2F3F7;
  --t-2:#A8AEBD;
  --t-3:#6E7484;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --sh-1:0 4px 16px rgba(0,0,0,.35);
  --sh-2:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
button,input{font-family:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(232,176,90,.3);color:#fff}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--gold);color:#0A0B0F;box-shadow:0 8px 24px rgba(232,176,90,.28)}
.btn-primary:hover{background:#F2C073;box-shadow:0 8px 24px rgba(232,176,90,.34),0 0 0 4px rgba(232,176,90,.14)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:rgba(46,230,197,.55);color:var(--cyan);background:transparent}
.btn-ghost:hover{background:var(--cyan-soft);border-color:var(--cyan)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  font-size:11.5px;font-weight:600;letter-spacing:.2px;line-height:1;
}
.badge-gold{background:var(--gold-soft);color:var(--gold)}
.badge-cyan{background:var(--cyan-soft);color:var(--cyan)}
.badge-hot{background:var(--magenta);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(10,11,15,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,11,15,.94);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#F0C177,#C9873A);color:#0A0B0F;font-size:15px;
  box-shadow:0 6px 18px rgba(232,176,90,.25);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold)}
.nav-menu{display:flex;align-items:center;gap:12px;margin-left:auto}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:8px;font-size:14.5px;color:var(--t-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--gold)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--gold);
}
.nav-right{display:flex;align-items:center;gap:12px}

/* Mega 面板 */
.mega{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 15px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--t-2);font-size:14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.mega-toggle:hover,.mega:focus-within .mega-toggle{color:var(--cyan);border-color:rgba(46,230,197,.4);background:var(--cyan-soft)}
.mega-toggle i{font-size:11px;transition:transform .24s var(--ease)}
.mega:hover .mega-toggle i,.mega:focus-within .mega-toggle i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:680px;padding:22px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:22px;
  background:rgba(18,20,28,.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{
  font-size:12px;letter-spacing:1.6px;color:var(--t-3);font-weight:600;margin-bottom:12px;text-transform:uppercase;
}
.mega-link{
  position:relative;display:block;padding:8px 10px 8px 14px;border-radius:8px;font-size:14px;color:var(--t-2);
  transition:color .2s var(--ease),background .2s var(--ease),padding .2s var(--ease);
}
.mega-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--cyan);transition:height .2s var(--ease);
}
.mega-link:hover{color:var(--t-1);background:rgba(255,255,255,.05);padding-left:18px}
.mega-link:hover::before{height:14px}
.mega-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mega-card{
  display:block;background:var(--layer-2);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.mega-card:hover{transform:translateY(-3px);border-color:rgba(46,230,197,.3)}
.mega-card-img{aspect-ratio:16/10;overflow:hidden;background:var(--layer-1)}
.mega-card-img img{width:100%;height:100%;object-fit:cover}
.mega-card-body{padding:10px 12px 12px}
.mega-card-body h5{font-size:13.5px;font-weight:600;line-height:1.5;margin:0 0 4px;color:var(--t-1)}
.mega-card-body span{font-size:12px;color:var(--t-3)}
.nav-cta{height:38px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  color:var(--t-1);font-size:16px;place-items:center;margin-left:auto;
}
.nav-toggle:hover{border-color:rgba(46,230,197,.4);color:var(--cyan)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:flex-end;overflow:hidden;padding:132px 0 64px}
.hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;transform:scale(1.03);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,15,.62) 0%,rgba(10,11,15,.45) 42%,rgba(10,11,15,.92) 86%,#0A0B0F 100%);
}
.hero-inner{
  position:relative;z-index:2;width:100%;
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:flex-end;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:2px;color:var(--gold);
  padding:6px 13px;border:1px solid rgba(232,176,90,.35);border-radius:999px;background:rgba(232,176,90,.08);
}
.hero h1{
  font-size:clamp(30px,4vw,52px);line-height:1.16;font-weight:800;letter-spacing:-.5px;
  margin:20px 0 0;max-width:16em;
}
.hero h1 span{color:var(--gold)}
.hero-sub{font-size:17px;color:var(--t-2);max-width:34em;margin:18px 0 0;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:40px}
.hero-stats li{padding:0 28px;border-left:1px solid var(--line-strong)}
.hero-stats li:first-child{padding-left:0;border-left:0}
.hero-stats b{display:block;font-size:26px;font-weight:800;color:var(--gold);line-height:1.25;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--t-3)}
.hero-card{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:18px;box-shadow:var(--sh-1);
}
.hero-card-cover{aspect-ratio:16/10;border-radius:10px;overflow:hidden;margin-bottom:16px;background:var(--layer-2)}
.hero-card-cover img{width:100%;height:100%;object-fit:cover}
.hero-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.hero-card p{font-size:13.5px;color:var(--t-2);line-height:1.75}
.hero-card-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.hero-card-link i{transition:transform .22s var(--ease)}
.hero-card-link:hover i{transform:translateX(4px)}

/* ---------- 板块 ---------- */
.section{padding:80px 0;position:relative}
.section-alt{background:var(--layer-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-title{position:relative;font-size:28px;font-weight:700;letter-spacing:-.2px;padding-left:15px;line-height:1.3}
.section-title::before{
  content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:3px;border-radius:2px;background:var(--gold);
}
.section-note{font-size:13.5px;color:var(--t-3)}
.section-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--cyan);transition:gap .2s var(--ease)}
.section-more:hover{gap:11px}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 24px 18px max(24px,calc((100vw - var(--max))/2 + 24px));
  scrollbar-width:none;scroll-behavior:smooth;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 240px;scroll-snap-align:start;transition:transform .24s var(--ease)}
.rail-card:hover{transform:translateY(-4px)}
.rail-cover{
  position:relative;aspect-ratio:2/3;border-radius:var(--r-img);overflow:hidden;
  background:var(--layer-2);border:1px solid var(--line);
}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rail-card:hover .rail-cover img{transform:scale(1.06)}
.rail-card:hover .rail-cover{border-color:rgba(46,230,197,.32)}
.rail-badge{position:absolute;left:10px;top:10px;z-index:2}
.rail-card h3{
  font-size:15px;font-weight:600;line-height:1.55;margin:12px 0 4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-card p{font-size:12.5px;color:var(--t-3)}
.rail-arrow{
  position:absolute;top:38%;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;z-index:6;
  border:1px solid var(--line);background:rgba(18,20,28,.82);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--t-1);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.rail-arrow:hover{background:var(--gold);color:#0A0B0F;border-color:var(--gold);transform:scale(1.06)}
.rail-prev{left:16px}
.rail-next{right:16px}

/* ---------- 热门推荐混排 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:230px;gap:20px}
.feat-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--layer-2);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.feat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,15,0) 30%,rgba(10,11,15,.9) 100%);
}
.feat-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.32);box-shadow:var(--sh-2)}
.feat-card:hover img{transform:scale(1.06)}
.feat-main{grid-column:span 2;grid-row:span 2}
.feat-info{position:absolute;left:18px;right:18px;bottom:16px;z-index:3}
.feat-info h3{font-size:17px;font-weight:700;line-height:1.45;color:#fff}
.feat-main .feat-info h3{font-size:24px}
.feat-info p{font-size:12.5px;color:rgba(255,255,255,.66);margin-top:6px}
.feat-card .badge{position:absolute;left:14px;top:14px;z-index:3}

/* ---------- 分区错落 ---------- */
.split{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start}
.split-reverse{grid-template-columns:9fr 3fr}
.split-reverse .split-side{order:2}
.split-reverse .split-grid{order:1}
.split-side{padding-top:6px}
.split-side .section-title{margin-bottom:16px}
.split-desc{font-size:14.5px;color:var(--t-2);line-height:1.85;margin-bottom:18px}
.split-list{margin-bottom:22px}
.split-list li{
  position:relative;padding-left:16px;font-size:13.5px;color:var(--t-3);line-height:2;
}
.split-list li::before{
  content:"";position:absolute;left:0;top:.85em;width:5px;height:5px;border-radius:1px;background:var(--gold);opacity:.85;
}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mini-card{
  display:flex;gap:14px;align-items:center;padding:14px;
  background:var(--layer-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.3);box-shadow:var(--sh-2)}
.mini-cover{flex:0 0 104px;width:104px;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;background:var(--layer-1)}
.mini-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.mini-card:hover .mini-cover img{transform:scale(1.06)}
.mini-body{min-width:0}
.mini-body h3{
  font-size:15px;font-weight:600;line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-body p{font-size:12.5px;color:var(--t-3)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.32);box-shadow:var(--sh-2)}
.news-link{display:block;height:100%}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:var(--layer-2)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.06)}
.news-body{padding:18px 20px 20px}
.news-body h3{
  font-size:16.5px;font-weight:600;line-height:1.55;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--t-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t-3);
}
.empty-state{
  padding:64px 24px;text-align:center;color:var(--t-3);font-size:14.5px;
  background:var(--layer-1);border:1px dashed var(--line-strong);border-radius:var(--r-card);
}
.empty-state i{display:block;font-size:26px;color:var(--t-3);margin-bottom:14px}

/* ---------- 服务说明卡 ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-card{
  padding:24px 22px;background:var(--layer-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.trust-card:hover{transform:translateY(-4px);border-color:rgba(232,176,90,.32);box-shadow:var(--sh-2)}
.trust-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--gold-soft);color:var(--gold);font-size:17px;
}
.trust-card h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.trust-card p{font-size:13.5px;color:var(--t-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;position:relative;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan);
  transform:scaleY(0);transform-origin:top;transition:transform .26s var(--ease);
}
.faq-item[open]{border-color:rgba(46,230,197,.3);background:var(--layer-2)}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cyan)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--t-2);font-size:11px;
  transition:transform .26s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--cyan);border-color:rgba(46,230,197,.5)}
.faq-answer{padding:0 22px 22px;font-size:14.5px;color:var(--t-2);line-height:1.9}

/* ---------- CTA 横幅 ---------- */
.cta{position:relative;padding:88px 0;overflow:hidden;border-top:1px solid var(--line)}
.cta-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta::after{content:"";position:absolute;inset:0;background:rgba(10,11,15,.78)}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center}
.cta h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.3px;line-height:1.3}
.cta p{font-size:15.5px;color:var(--t-2);margin-top:14px}
.cta-form{
  display:flex;gap:12px;margin-top:28px;
  padding:10px;border-radius:16px;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.10);
}
.cta-form input{
  flex:1;min-width:0;height:46px;padding:0 16px;border-radius:10px;
  border:1px solid transparent;background:rgba(255,255,255,.04);color:var(--t-1);font-size:14.5px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.cta-form input::placeholder{color:var(--t-3)}
.cta-form input:focus{outline:none;border-color:var(--cyan);background:rgba(46,230,197,.05)}
.cta-tip{font-size:12.5px;color:var(--t-3);margin-top:16px}
.cta-msg{font-size:13.5px;color:var(--cyan);margin-top:12px;min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:#07080B;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand p{font-size:13.5px;color:var(--t-3);line-height:1.9;margin-top:16px;max-width:30em}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--t-3);text-transform:uppercase;margin-bottom:18px;
}
.footer-link{
  display:block;font-size:14px;color:var(--t-2);padding:5px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--cyan);transform:translateX(2px)}
.footer-sub-card{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
}
.footer-sub-card p{font-size:13px;color:var(--t-3);line-height:1.8;margin-bottom:14px}
.footer-sub-form{display:flex;gap:8px}
.footer-sub-form input{
  flex:1;min-width:0;height:40px;padding:0 12px;border-radius:10px;font-size:13.5px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--t-1);
}
.footer-sub-form input:focus{outline:none;border-color:var(--cyan)}
.footer-sub-form button{
  height:40px;padding:0 16px;border-radius:10px;background:var(--gold);color:#0A0B0F;
  font-size:13.5px;font-weight:700;transition:background .22s var(--ease);
}
.footer-sub-form button:hover{background:#F2C073}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--t-3);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t-2);
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.back-top:hover{color:var(--cyan);border-color:rgba(46,230,197,.45)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-link{padding:8px 10px;font-size:14px}
  .hero-inner{grid-template-columns:minmax(0,1fr) 320px;gap:36px}
  .split{grid-template-columns:4fr 8fr}
  .split-reverse{grid-template-columns:8fr 4fr}
}
@media (max-width:992px){
  .nav-toggle{display:grid}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:16px;margin-left:0;
    padding:16px 20px 26px;background:#0C0E14;border-bottom:1px solid var(--line);
    max-height:calc(100vh - 60px);overflow-y:auto;box-shadow:var(--sh-2);
  }
  .site-header.is-open .nav-menu{display:flex}
  .main-nav{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:13px 12px;font-size:15px;border-radius:10px}
  .nav-link.is-active{background:rgba(232,176,90,.08)}
  .nav-link.is-active::after{display:none}
  .nav-right{flex-direction:column;align-items:stretch}
  .mega{width:100%}
  .mega-toggle{width:100%;justify-content:space-between;height:44px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;grid-template-columns:1fr;gap:18px;margin-top:10px;box-shadow:none;background:var(--layer-1);
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel{display:grid}
  .nav-cta{width:100%}
  .hero{min-height:auto;padding:112px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:460px}
  .section{padding:64px 0}
  .section-title{font-size:24px}
  .feat-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
  .feat-main{grid-column:span 2;grid-row:span 1}
  .split,.split-reverse{grid-template-columns:1fr;gap:26px}
  .split-reverse .split-side{order:1}
  .split-reverse .split-grid{order:2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rail-arrow{display:none}
  .rail{padding-left:24px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-wrap{height:64px;gap:14px}
  .brand-text{font-size:15.5px}
  .hero{padding:96px 0 48px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-stats li{padding:0 18px}
  .hero-stats b{font-size:22px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-title{font-size:22px}
  .rail-card{flex:0 0 180px}
  .feat-grid{grid-template-columns:1fr;grid-auto-rows:220px}
  .feat-main{grid-column:span 1;grid-row:span 1}
  .feat-main .feat-info h3{font-size:19px}
  .split-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .cta{padding:64px 0}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .mini-cover{flex:0 0 88px;width:88px}
}
@media (max-width:520px){
  .brand-mark{width:30px;height:30px;font-size:13px}
  .brand-text{font-size:14.5px}
  .hero h1{font-size:26px}
  .hero-stats{gap:14px 0}
  .hero-stats li{padding:0 14px}
  .hero-stats b{font-size:20px}
  .feat-info h3{font-size:15.5px}
  .news-body{padding:16px}
  .faq-item summary{padding:16px;font-size:15px}
  .faq-answer{padding:0 16px 18px}
}

/* roulang page: category1 */
:root{
  --bg:#0A0B0F;
  --layer-1:#12141C;
  --layer-2:#1A1D27;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --gold:#E8B05A;
  --gold-soft:rgba(232,176,90,.14);
  --cyan:#2EE6C5;
  --cyan-soft:rgba(46,230,197,.12);
  --magenta:#FF5C7A;
  --text:#F2F3F7;
  --text-2:#A8AEBD;
  --text-3:#6E7484;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --shadow-1:0 4px 16px rgba(0,0,0,.35);
  --shadow-2:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section:80px;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.2px;}
p{margin:0;}
input,select{font-family:inherit;font-size:15px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:14px;font-size:30px;font-weight:700;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--gold);}
.section-desc{color:var(--text-2);font-size:15px;margin-top:10px;padding-left:14px;max-width:720px;}
.link-more{color:var(--cyan);font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:#fff;}
.link-more i{transition:transform .22s var(--ease);}
.link-more:hover i{transform:translateX(3px);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--gold);color:#0A0B0F;box-shadow:0 8px 24px rgba(232,176,90,.28);}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 8px 24px rgba(232,176,90,.32),0 0 0 4px rgba(232,176,90,.14);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(232,176,90,.24);}
.btn-ghost{background:transparent;border-color:rgba(46,230,197,.5);color:var(--cyan);}
.btn-ghost:hover{background:var(--cyan-soft);border-color:var(--cyan);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,11,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,11,15,.92);box-shadow:0 8px 28px rgba(0,0,0,.45);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;transition:height .26s var(--ease);}
.site-header.is-scrolled .nav-wrap{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(232,176,90,.9),rgba(232,176,90,.55));
  color:#0A0B0F;font-size:16px;box-shadow:0 6px 18px rgba(232,176,90,.25);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.3px;color:var(--text);}
.brand-text em{font-style:normal;color:var(--gold);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  color:var(--text);font-size:17px;background:rgba(255,255,255,.04);margin-left:auto;
}
.nav-menu{display:flex;align-items:center;justify-content:space-between;flex:1;gap:20px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:9px;
  color:var(--text-2);font-size:15px;font-weight:500;position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text);background:rgba(232,176,90,.12);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--gold);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.mega{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
  font-size:14px;font-weight:500;transition:all .22s var(--ease);
}
.mega-toggle:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.07);}
.mega-toggle i{font-size:12px;transition:transform .22s var(--ease);}
.mega:hover .mega-toggle i,.mega.is-open .mega-toggle i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:680px;
  background:var(--layer-2);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-2);padding:22px;display:grid;grid-template-columns:1fr 1.1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;color:var(--text-3);letter-spacing:.12em;margin-bottom:12px;font-weight:600;text-transform:uppercase;}
.mega-link{
  display:block;position:relative;padding:9px 12px 9px 16px;border-radius:9px;
  color:var(--text-2);font-size:14.5px;
}
.mega-link::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--cyan);border-radius:3px;transition:height .22s var(--ease);
}
.mega-link:hover{background:rgba(255,255,255,.06);color:var(--text);}
.mega-link:hover::before{height:16px;}
.mega-cards{display:grid;gap:12px;}
.mega-card{display:flex;gap:12px;padding:10px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);}
.mega-card:hover{border-color:rgba(46,230,197,.4);background:rgba(46,230,197,.06);}
.mega-card-img{width:76px;height:52px;border-radius:8px;overflow:hidden;flex:0 0 76px;background:var(--layer-1);}
.mega-card-img img{width:100%;height:100%;object-fit:cover;}
.mega-card-body h5{font-size:14px;font-weight:600;line-height:1.45;margin-bottom:2px;}
.mega-card-body span{font-size:12px;color:var(--text-3);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;min-height:56vh;display:flex;align-items:flex-end;
  padding:120px 0 56px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:rgba(10,11,15,.72);}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,15,.35) 0%,rgba(10,11,15,.86) 62%,var(--bg) 100%);}
.cat-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:end;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{color:var(--cyan);}
.crumb .now{color:var(--text-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(46,230,197,.12);border:1px solid rgba(46,230,197,.32);
  color:var(--cyan);font-size:13px;font-weight:600;margin-bottom:18px;
}
.cat-hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.5px;line-height:1.16;margin-bottom:18px;}
.cat-hero h1 b{color:var(--gold);font-weight:800;}
.hero-sub{font-size:16px;line-height:1.85;color:var(--text-2);max-width:660px;margin-bottom:26px;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stat{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-radius:16px;padding:22px;box-shadow:var(--shadow-1);
}
.hero-stat h3{font-size:15px;margin-bottom:16px;color:var(--text);}
.hero-stat ul{display:grid;gap:14px;}
.hero-stat li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
.hero-stat li:last-child{border-bottom:0;padding-bottom:0;}
.hero-stat .num{font-size:24px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.hero-stat .lbl{font-size:13px;color:var(--text-2);}

/* ---------- filter bar ---------- */
.filter-bar{
  position:sticky;top:72px;z-index:60;
  background:rgba(18,20,28,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;flex-wrap:wrap;}
.chip-group{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:13.5px;font-weight:500;transition:all .22s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--line-strong);}
.chip.is-active{background:var(--gold);border-color:var(--gold);color:#0A0B0F;font-weight:700;}
.filter-tools{display:flex;align-items:center;gap:12px;}
.filter-tools select{
  height:36px;padding:0 34px 0 14px;border-radius:9px;border:1px solid var(--line);
  background:rgba(255,255,255,.04) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A8AEBD'%3E%3Cpath d='M8 11 3 6h10z'/%3E%3C/svg%3E") no-repeat right 12px center/12px;
  color:var(--text-2);appearance:none;cursor:pointer;
}
.filter-tools select:hover{border-color:var(--line-strong);color:var(--text);}
.view-toggle{display:flex;gap:6px;}
.view-toggle button{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
  color:var(--text-3);background:rgba(255,255,255,.03);transition:all .22s var(--ease);
}
.view-toggle button:hover{color:var(--text);border-color:var(--line-strong);}
.view-toggle button.is-active{color:var(--cyan);border-color:rgba(46,230,197,.45);background:var(--cyan-soft);}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.c-card{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.c-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.35);box-shadow:var(--shadow-2);}
.c-card-link{display:block;height:100%;}
.c-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer-2);}
.c-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.c-card:hover .c-card-media img{transform:scale(1.06);}
.c-badge{
  position:absolute;left:10px;top:10px;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--cyan);color:#0A0B0F;
}
.c-badge.hot{background:var(--magenta);color:#fff;}
.c-corner{
  position:absolute;right:10px;top:10px;padding:4px 10px;border-radius:999px;
  font-size:12px;background:rgba(10,11,15,.72);color:var(--text-2);backdrop-filter:blur(6px);
}
.c-card-body{padding:18px;}
.c-card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.c-card-body p{font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.c-card-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;}
.c-card-foot .c-cat{color:var(--cyan);}

/* ---------- rail ---------- */
.rail-block{background:var(--layer-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px;}
.rail-head h2{font-size:24px;font-weight:700;position:relative;padding-left:14px;}
.rail-head h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:3px;background:var(--cyan);}
.rail-arrows{display:flex;gap:10px;}
.rail-arrows button{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-2);transition:all .22s var(--ease);
}
.rail-arrows button:hover{background:var(--gold);border-color:var(--gold);color:#0A0B0F;}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 2px 14px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.rail-track::-webkit-scrollbar{height:6px;}
.rail-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px;}
.rail-item{
  flex:0 0 240px;scroll-snap-align:start;background:var(--layer-2);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rail-item:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.35);box-shadow:var(--shadow-2);}
.rail-media{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--layer-1);}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rail-item:hover .rail-media img{transform:scale(1.06);}
.rail-item-body{padding:14px 16px 18px;}
.rail-item-body h3{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.rail-item-body span{font-size:12.5px;color:var(--text-3);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step{
  position:relative;background:var(--layer-1);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 22px 24px;transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.step:hover{border-color:rgba(232,176,90,.4);transform:translateY(-4px);}
.step-num{
  font-size:34px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;
  letter-spacing:-1px;line-height:1;margin-bottom:16px;display:block;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--text-2);}

/* ---------- pagination ---------- */
.pager{display:flex;justify-content:center;gap:10px;margin-top:40px;flex-wrap:wrap;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;font-weight:600;transition:all .22s var(--ease);
}
.pager a:hover{color:var(--text);border-color:var(--line-strong);}
.pager .is-current{background:var(--gold);border-color:var(--gold);color:#0A0B0F;}

/* ---------- related categories ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;background:var(--layer-1);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(232,176,90,.42);box-shadow:var(--shadow-2);}
.rel-card i{color:var(--gold);font-size:20px;margin-bottom:14px;display:block;}
.rel-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.rel-card p{font-size:14px;color:var(--text-2);}
.rel-card .rel-go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;color:var(--cyan);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .24s var(--ease);
}
.faq-item[open]{border-color:rgba(46,230,197,.32);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--text-3);transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--cyan);}
.faq-item summary:hover{color:var(--gold);}
.faq-body{
  padding:0 22px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.9;
  border-left:3px solid transparent;transition:border-color .24s var(--ease);
}
.faq-item[open] .faq-body{border-left-color:var(--cyan);padding-left:20px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line);
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(10,11,15,.78);}
.cta-inner{position:relative;z-index:2;padding:56px 40px;text-align:center;}
.cta-inner h2{font-size:30px;font-weight:800;margin-bottom:14px;}
.cta-inner p{color:var(--text-2);font-size:15.5px;max-width:640px;margin:0 auto 28px;}
.cta-form{display:flex;gap:12px;justify-content:center;max-width:520px;margin:0 auto 16px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 260px;height:48px;padding:0 18px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:var(--text);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{border-color:var(--cyan);background:rgba(46,230,197,.08);outline:none;}
.cta-note{font-size:12.5px;color:var(--text-3);}

/* ---------- footer ---------- */
.site-footer{background:var(--layer-1);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:13px;color:var(--text-3);letter-spacing:.12em;text-transform:uppercase;font-weight:600;margin-bottom:16px;}
.footer-link{display:block;font-size:14.5px;color:var(--text-2);padding:6px 0;transition:color .22s var(--ease),transform .22s var(--ease);}
.footer-link:hover{color:var(--cyan);transform:translateX(2px);}
.footer-sub-card{background:var(--layer-2);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;}
.footer-sub-card p{font-size:13.5px;color:var(--text-2);margin-bottom:14px;}
.footer-sub-form{display:flex;gap:8px;}
.footer-sub-form input{
  flex:1;height:42px;padding:0 14px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-size:14px;
}
.footer-sub-form input:focus{border-color:var(--cyan);outline:none;}
.footer-sub-form button{
  height:42px;padding:0 18px;border-radius:9px;background:var(--gold);color:#0A0B0F;
  font-size:14px;font-weight:700;transition:filter .22s var(--ease);
}
.footer-sub-form button:hover{filter:brightness(1.08);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.back-top{color:var(--text-2);font-size:13px;display:inline-flex;align-items:center;gap:6px;}
.back-top:hover{color:var(--cyan);}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .card-grid{grid-template-columns:repeat(3,1fr);}
  .mega-panel{width:620px;}
}
@media (max-width:992px){
  :root{--section:64px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-menu{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    background:rgba(10,11,15,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:22px 24px 40px;gap:22px;overflow-y:auto;
    display:none;
  }
  .nav-menu.is-open{display:flex;}
  .main-nav{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-link{padding:12px 14px;font-size:16px;}
  .nav-link.is-active::after{display:none;}
  .nav-right{flex-direction:column;align-items:stretch;gap:14px;}
  .mega{width:100%;}
  .mega-toggle{width:100%;justify-content:space-between;}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;box-shadow:none;margin-top:12px;grid-template-columns:1fr;
  }
  .mega.is-open .mega-panel{display:grid;}
  .mega:hover .mega-panel{display:none;}
  .mega.is-open:hover .mega-panel{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .cat-hero{padding:96px 0 44px;min-height:auto;}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .steps{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .filter-bar{top:72px;}
  .filter-inner{justify-content:flex-start;}
}
@media (max-width:768px){
  :root{--section:48px;}
  .container{padding:0 16px;}
  .section-title{font-size:24px;}
  .cta-inner{padding:40px 22px;}
  .cta-inner h2{font-size:24px;}
  .rail-item{flex:0 0 180px;}
  .rail-head h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .hero-stat{padding:18px;}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:1fr;}
  .brand-text{font-size:16px;}
  .cat-hero h1{font-size:26px;}
  .hero-btns .btn{width:100%;}
  .filter-tools{width:100%;justify-content:space-between;}
  .cta-form .btn{width:100%;}
}

/* roulang page: article */
:root{
  --bg:#0A0B0F;
  --layer-1:#12141C;
  --layer-2:#1A1D27;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --gold:#E8B05A;
  --gold-soft:rgba(232,176,90,.14);
  --cyan:#2EE6C5;
  --cyan-soft:rgba(46,230,197,.10);
  --magenta:#FF5C7A;
  --text:#F2F3F7;
  --text-2:#A8AEBD;
  --text-3:#6E7484;
  --body-text:#D6D9E2;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --sh-1:0 4px 16px rgba(0,0,0,.35);
  --sh-2:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:rgba(232,176,90,.32);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(10,11,15,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--dur) var(--ease)}
.site-header.is-scrolled{background:rgba(10,11,15,.94);border-bottom-color:var(--line-strong)}
.site-header.is-scrolled .nav-wrap{height:60px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#F0C176,#C98B35);
  color:#0A0B0F;font-size:16px;
  box-shadow:0 6px 18px rgba(232,176,90,.26);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--text);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold)}

.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-strong);
  color:var(--text-2);font-size:17px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--gold);border-color:rgba(232,176,90,.5)}

.nav-menu{display:flex;align-items:center;justify-content:flex-end;gap:28px;flex:1 1 auto;min-width:0}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:9px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--gold)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--gold);border-radius:2px;
}

.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.mega{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--line-strong);
  font-size:14px;color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.mega-toggle i{font-size:11px;transition:transform var(--dur) var(--ease)}
.mega:hover .mega-toggle,.mega:focus-within .mega-toggle{
  color:var(--cyan);border-color:rgba(46,230,197,.45);background:var(--cyan-soft);
}
.mega:hover .mega-toggle i,.mega:focus-within .mega-toggle i{transform:rotate(180deg)}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:680px;max-width:calc(100vw - 48px);
  display:grid;grid-template-columns:1fr 1.15fr;gap:26px;
  padding:24px;
  background:rgba(18,20,28,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:16px;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
  z-index:95;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{
  font-size:12px;letter-spacing:.12em;color:var(--text-3);
  font-weight:600;margin-bottom:12px;
}
.mega-link{
  display:block;position:relative;
  padding:9px 10px 9px 16px;border-radius:8px;
  font-size:14px;color:var(--text-2);
}
.mega-link::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--cyan);border-radius:2px;
  transition:height var(--dur) var(--ease);
}
.mega-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.mega-link:hover::before{height:16px}
.mega-cards{display:grid;gap:12px}
.mega-card{
  display:flex;gap:12px;align-items:center;
  padding:10px;border-radius:12px;
  border:1px solid var(--line);
  background:var(--layer-1);
}
.mega-card:hover{border-color:rgba(46,230,197,.35);transform:translateY(-2px)}
.mega-card-img{width:78px;flex:0 0 78px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:var(--layer-2)}
.mega-card-img img{width:100%;height:100%;object-fit:cover}
.mega-card-body h5{font-size:13.5px;font-weight:600;line-height:1.5;margin-bottom:4px}
.mega-card-body span{font-size:12px;color:var(--text-3)}

/* ============ 文章头 ============ */
.page-wrap{padding:34px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:24px;
}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:var(--cyan);opacity:.65}
.breadcrumb .now{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:38px}
.article-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  border:1px solid rgba(46,230,197,.4);
  background:var(--cyan-soft);
  color:var(--cyan);font-size:12.5px;letter-spacing:.02em;
}
.article-head h1{
  font-size:38px;font-weight:800;letter-spacing:-.5px;line-height:1.28;
  margin:18px 0 20px;color:var(--text);
}
.head-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13px;color:var(--text-3);
}
.head-meta span{display:inline-flex;align-items:center}
.head-meta i{color:var(--gold);margin-right:7px;font-size:12.5px}
.head-meta .dot{width:1px;height:12px;background:var(--line-strong);display:inline-block}

/* ============ 布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);
  gap:44px;
  align-items:start;
}

/* ============ 正文排版 ============ */
.article-body{
  background:var(--layer-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:38px 40px 30px;
  box-shadow:var(--sh-1);
  min-height:260px;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{font-size:16px;line-height:1.9;color:var(--body-text);margin:0 0 18px}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;color:var(--text);
  margin:44px 0 18px;padding-left:15px;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  background:var(--gold);border-radius:2px;
}
.article-body h3{font-size:18px;font-weight:700;color:var(--text);margin:30px 0 12px}
.article-body h4{font-size:16px;font-weight:600;color:var(--text);margin:24px 0 10px}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(46,230,197,.38)}
.article-body a:hover{color:#7ff3dd;border-bottom-color:#7ff3dd}
.article-body strong{color:#fff;font-weight:700}
.article-body ul{list-style:none;padding:0;margin:0 0 20px}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:15.5px;line-height:1.85;color:var(--body-text);
}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:7px;height:7px;border-radius:2px;background:var(--gold);
}
.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body ol li{font-size:15.5px;line-height:1.85;color:var(--body-text);margin-bottom:10px}
.article-body ol li::marker{color:var(--gold);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--gold);
  background:rgba(255,255,255,.04);
  border-radius:0 10px 10px 0;
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0;box-shadow:var(--sh-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:12.5px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:14px;border:1px solid var(--line);
  border-radius:10px;overflow:hidden;
}
.article-body th{
  background:var(--layer-2);color:var(--gold);
  font-weight:600;text-align:left;padding:13px 15px;
  border-bottom:1px solid var(--line);
}
.article-body td{
  padding:12px 15px;color:var(--body-text);
  border-top:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body code{
  background:var(--layer-2);border:1px solid var(--line);
  border-radius:6px;padding:2px 7px;font-size:13.5px;color:var(--cyan);
}

/* ============ 空态 ============ */
.empty-state{
  background:var(--layer-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:70px 30px;
  text-align:center;
  box-shadow:var(--sh-1);
}
.empty-state i{font-size:34px;color:var(--gold);margin-bottom:18px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-primary{
  background:var(--gold);color:#0A0B0F;
  box-shadow:0 8px 24px rgba(232,176,90,.28);
}
.btn-primary:hover{background:#F2C173;box-shadow:0 8px 24px rgba(232,176,90,.4),0 0 0 4px var(--gold-soft);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border:1px solid var(--cyan);color:var(--cyan);background:transparent;
}
.btn-ghost:hover{background:var(--cyan-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--layer-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  display:flex;align-items:center;gap:9px;
  font-size:16px;margin-bottom:16px;
}
.side-card h3::before{
  content:"";width:3px;height:16px;background:var(--gold);border-radius:2px;
}
.side-card > p{font-size:14px;color:var(--text-2);line-height:1.8}
.rel-list{display:flex;flex-direction:column}
.rel-item{
  display:flex;gap:12px;padding:13px 0;
  border-bottom:1px dashed var(--line);
}
.rel-item:last-child{border-bottom:0;padding-bottom:0}
.rel-item:first-child{padding-top:0}
.rel-item:hover .rel-title{color:var(--cyan)}
.rel-thumb{
  width:88px;flex:0 0 88px;aspect-ratio:16/9;
  border-radius:8px;overflow:hidden;background:var(--layer-2);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.rel-item:hover .rel-thumb img{transform:scale(1.06)}
.rel-body{min-width:0}
.rel-title{
  font-size:14px;line-height:1.55;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--dur) var(--ease);
}
.rel-meta{font-size:12px;color:var(--text-3)}
.side-actions{display:flex;flex-direction:column;gap:12px}
.side-actions .btn{width:100%}
.side-sub{
  background:linear-gradient(150deg,rgba(232,176,90,.12),rgba(46,230,197,.06));
  border:1px solid var(--line-strong);
}
.side-sub p{margin-bottom:14px}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1 1 auto;min-width:0;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  border-radius:10px;padding:11px 14px;
  font-size:14px;color:var(--text);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--cyan);background:rgba(46,230,197,.06);outline:none}
.sub-form button{
  flex:0 0 auto;padding:11px 18px;border-radius:10px;
  background:var(--gold);color:#0A0B0F;font-size:14px;font-weight:600;
  transition:background-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.sub-form button:hover{background:#F2C173;transform:translateY(-2px)}

/* ============ 上下篇 ============ */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:44px}
.pager a{
  display:block;padding:20px 22px;
  background:var(--layer-1);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.pager a:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.3);box-shadow:var(--sh-2)}
.pager .pager-label{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;margin-bottom:8px;display:block}
.pager .pager-title{font-size:15.5px;color:var(--text);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager a:hover .pager-title{color:var(--cyan)}
.pager .align-end{text-align:right}

.back-row{margin-top:26px;display:flex;justify-content:center}

/* ============ 板块通用 ============ */
.section{padding:80px 0 0}
.section-head{margin-bottom:28px}
.section-title{
  position:relative;padding-left:15px;
  font-size:28px;font-weight:700;letter-spacing:-.4px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--gold);border-radius:2px;
}
.section-sub{margin-top:10px;font-size:14.5px;color:var(--text-2);padding-left:15px}

/* ============ 相关推荐栅格 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rec-card{
  display:block;
  background:var(--layer-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(46,230,197,.3)}
.rec-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer-2)}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.rec-card:hover .rec-cover img{transform:scale(1.06)}
.badge{
  position:absolute;top:10px;left:10px;
  padding:4px 10px;border-radius:999px;
  font-size:11.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,92,122,.9);color:#fff;
}
.badge-cyan{background:rgba(46,230,197,.9);color:#06231d;left:auto;right:10px}
.rec-body{padding:16px 18px 20px}
.rec-body h3{
  font-size:16px;font-weight:600;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-card:hover .rec-body h3{color:var(--cyan)}
.rec-body p{
  font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.rec-foot span:first-child{color:var(--gold)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:14px}
.faq-item{
  background:var(--layer-1);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color var(--dur) var(--ease);
}
.faq-item[open]{border-color:rgba(46,230,197,.32)}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 56px 18px 22px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--text-3);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--cyan)}
.faq-item summary:hover{color:var(--gold)}
.faq-body{
  padding:0 22px 20px 22px;
  border-left:3px solid var(--cyan);
  margin-left:19px;
  padding-left:19px;
  color:var(--text-2);font-size:14.5px;line-height:1.85;
}
.faq-body p+p{margin-top:10px}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  margin-top:80px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,15,.78),rgba(10,11,15,.92));
}
.cta-inner{position:relative;padding:70px 0;text-align:center}
.cta-inner h2{font-size:30px;letter-spacing:-.4px;margin-bottom:14px}
.cta-inner h2 em{font-style:normal;color:var(--gold)}
.cta-inner > p{font-size:15.5px;color:var(--text-2);max-width:640px;margin:0 auto 28px}
.cta-form{
  display:flex;gap:12px;justify-content:center;
  max-width:520px;margin:0 auto;
  padding:12px;border-radius:16px;
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.10);
}
.cta-form input{
  flex:1 1 auto;min-width:0;
  background:rgba(10,11,15,.5);
  border:1px solid var(--line-strong);
  border-radius:10px;padding:13px 15px;
  font-size:14.5px;color:var(--text);outline:none;
  transition:border-color var(--dur) var(--ease);
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{border-color:var(--cyan)}
.cta-note{margin-top:16px;font-size:12.5px;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  background:var(--layer-1);
  border-top:1px solid var(--line);
  padding:66px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:38px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px}
.footer-col h4{
  font-size:12.5px;letter-spacing:.12em;color:var(--text-3);
  font-weight:600;margin-bottom:16px;
}
.footer-link{
  display:block;font-size:14px;color:var(--text-2);
  padding:6px 0;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-link:hover{color:var(--cyan);transform:translateX(2px)}
.footer-sub-card{
  background:var(--layer-2);
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px;
}
.footer-sub-card p{font-size:13.5px;color:var(--text-2);margin-bottom:14px;line-height:1.7}
.footer-sub-form{display:flex;gap:8px}
.footer-sub-form input{
  flex:1 1 auto;min-width:0;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  border-radius:9px;padding:10px 12px;font-size:13.5px;color:var(--text);
  transition:border-color var(--dur) var(--ease);
}
.footer-sub-form input::placeholder{color:var(--text-3)}
.footer-sub-form input:focus{border-color:var(--cyan);outline:none}
.footer-sub-form button{
  flex:0 0 auto;padding:10px 16px;border-radius:9px;
  background:var(--gold);color:#0A0B0F;font-size:13.5px;font-weight:600;
  transition:background-color var(--dur) var(--ease);
}
.footer-sub-form button:hover{background:#F2C173}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.back-top{display:inline-flex;align-items:center;gap:8px;color:var(--text-2)}
.back-top:hover{color:var(--gold)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-head h1{font-size:34px}
  .article-layout{gap:32px}
  .article-body{padding:32px 30px 24px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:992px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;
    gap:8px;padding:18px 24px 26px;
    background:rgba(12,14,20,.98);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line-strong);
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-menu.is-open{display:flex}
  .main-nav{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:13px 14px;font-size:15px;border-radius:10px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:var(--gold-soft)}
  .nav-right{flex-direction:column;align-items:stretch;gap:10px;margin-top:6px}
  .mega{width:100%}
  .mega-toggle{width:100%;justify-content:space-between;border-radius:10px}
  .mega-panel{
    position:static;width:100%;max-width:none;
    grid-template-columns:1fr;gap:18px;margin-top:10px;
    opacity:1;visibility:visible;transform:none;display:none;
  }
  .mega.is-open .mega-panel{display:grid}
  .mega:hover .mega-panel{opacity:1;transform:none}

  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;top:auto}
  .section{padding:60px 0 0}
  .cta-inner{padding:56px 0}
  .cta-band{margin-top:60px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .page-wrap{padding:24px 0 0}
  .article-head h1{font-size:26px;margin:14px 0 16px}
  .article-body{padding:24px 18px 18px;font-size:15px}
  .article-body p{font-size:15px}
  .article-body h2{font-size:20px;margin:34px 0 14px}
  .article-body h3{font-size:17px}
  .pager{grid-template-columns:minmax(0,1fr)}
  .pager .align-end{text-align:left}
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .section-title{font-size:22px}
  .cta-inner h2{font-size:23px}
  .cta-form{flex-direction:column}
  .cta-form button{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col:last-child{grid-column:auto}
  .site-footer{padding:52px 0 24px}
  .footer-bottom{justify-content:flex-start}
  .brand-text{font-size:16px}
}
@media (max-width:520px){
  .article-head h1{font-size:22px}
  .head-meta{gap:8px 14px}
  .breadcrumb .now{max-width:180px}
  .brand-mark{width:32px;height:32px;font-size:14px}
  .sub-form{flex-direction:column}
  .sub-form button{width:100%}
}

/* roulang page: category2 */
:root{
  --bg:#0A0B0F;
  --layer-1:#12141C;
  --layer-2:#1A1D27;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --gold:#E8B05A;
  --gold-soft:rgba(232,176,90,.14);
  --gold-line:rgba(232,176,90,.32);
  --cyan:#2EE6C5;
  --cyan-soft:rgba(46,230,197,.10);
  --cyan-line:rgba(46,230,197,.32);
  --magenta:#FF5C7A;
  --text:#F2F3F7;
  --text-2:#A8AEBD;
  --text-3:#6E7484;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --shadow-1:0 4px 16px rgba(0,0,0,.35);
  --shadow-2:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --nav-h:72px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--cyan)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,h5,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--layer-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-title{position:relative;padding-left:15px;font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--gold)}
.section-sub{margin-top:8px;color:var(--text-2);font-size:15px;line-height:1.8}
.section-more{flex:0 0 auto;font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.section-more:hover{color:var(--cyan);gap:10px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.2px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--gold);color:#0A0B0F;box-shadow:0 8px 24px rgba(232,176,90,.28)}
.btn-primary:hover{background:#F0BC6C;color:#0A0B0F;box-shadow:0 8px 24px rgba(232,176,90,.3),0 0 0 4px var(--gold-soft)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--cyan-line);color:var(--cyan);background:transparent}
.btn-ghost:hover{background:var(--cyan-soft);color:var(--cyan)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5;letter-spacing:.4px}
.badge-gold{background:var(--gold-soft);color:var(--gold);border:1px solid var(--gold-line)}
.badge-cyan{background:var(--cyan-soft);color:var(--cyan);border:1px solid var(--cyan-line)}
.badge-magenta{background:rgba(255,92,122,.14);color:#FF93A6;border:1px solid rgba(255,92,122,.34)}
.corner-tag{position:absolute;top:10px;right:10px;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:600;color:var(--text);background:rgba(10,11,15,.72);border:1px solid var(--line-strong);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.media-badges{position:absolute;top:10px;left:10px;display:flex;gap:6px;flex-wrap:wrap}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:var(--nav-h);
  background:rgba(10,11,15,.75);border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:height var(--dur) var(--ease),background var(--dur) var(--ease);
}
.site-header.is-scrolled{height:60px;background:rgba(10,11,15,.9);box-shadow:0 8px 24px rgba(0,0,0,.35)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--gold),#B8843A);color:#0A0B0F;font-size:15px;
  box-shadow:0 6px 16px rgba(232,176,90,.25);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--text)}
.brand-text em{font-style:normal;color:var(--gold)}
.nav-menu{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:flex-end}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:9px;
  font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--gold);background:var(--gold-soft)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--gold)}
.nav-right{display:flex;align-items:center;gap:14px}
.mega{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  font-size:14px;font-weight:600;transition:all var(--dur) var(--ease);
}
.mega-toggle:hover{border-color:var(--cyan-line);color:var(--cyan)}
.mega-toggle i{font-size:11px;transition:transform var(--dur) var(--ease)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:680px;padding:22px;
  display:grid;grid-template-columns:1fr 1.1fr;gap:22px;
  background:rgba(18,20,28,.96);border:1px solid var(--line-strong);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega:hover .mega-toggle i,.mega.is-open .mega-toggle i{transform:rotate(180deg)}
.mega-col h4{font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--text-3);text-transform:uppercase;margin-bottom:12px}
.mega-link{
  position:relative;display:block;padding:8px 10px 8px 14px;border-radius:8px;
  font-size:14px;color:var(--text-2);transition:all var(--dur) var(--ease);
}
.mega-link::before{content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);width:2px;height:0;background:var(--cyan);border-radius:2px;transition:height var(--dur) var(--ease)}
.mega-link:hover{background:rgba(255,255,255,.05);color:var(--text);padding-left:18px}
.mega-link:hover::before{height:16px}
.mega-cards{display:grid;gap:10px}
.mega-card{display:flex;gap:12px;padding:9px;border-radius:10px;border:1px solid transparent;transition:all var(--dur) var(--ease)}
.mega-card:hover{background:rgba(255,255,255,.04);border-color:var(--line)}
.mega-card-img{flex:0 0 92px;width:92px;aspect-ratio:16/10;border-radius:8px;overflow:hidden;background:var(--layer-2)}
.mega-card-img img{width:100%;height:100%;object-fit:cover}
.mega-card-body h5{font-size:14px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-card-body span{display:block;margin-top:5px;font-size:12px;color:var(--text-3)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-size:16px}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:130px 0 60px;min-height:56vh;display:flex;align-items:flex-end;background:var(--bg)}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;filter:saturate(.8)}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,15,.88) 0%,rgba(10,11,15,.66) 42%,#0A0B0F 100%)}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:end}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:16px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:var(--cyan);opacity:.75}
.cat-hero h1{margin:14px 0 0;font-size:clamp(30px,4.4vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.6px}
.cat-hero h1 strong{color:var(--gold);font-weight:800}
.cat-hero-lead{margin-top:16px;max-width:640px;font-size:16px;line-height:1.9;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.glass-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
}
.cat-stat-card{padding:20px}
.cat-stat-card h2{font-size:13px;letter-spacing:1.2px;color:var(--text-3);font-weight:700;text-transform:uppercase;margin-bottom:14px}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-child{border-bottom:0;padding-bottom:0}
.stat-num{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:22px;font-weight:700;color:var(--gold);letter-spacing:-.5px}
.stat-label{font-size:13px;color:var(--text-2)}
.stat-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--text-3)}

/* ---------- Filter bar ---------- */
.filter-bar{
  position:sticky;top:60px;z-index:60;
  background:rgba(10,11,15,.92);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 0}
.filter-tabs{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.filter-tabs::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:all var(--dur) var(--ease);white-space:nowrap;
}
.chip:hover{color:var(--text);border-color:var(--cyan-line);background:var(--cyan-soft)}
.chip.is-active{background:var(--gold);border-color:var(--gold);color:#0A0B0F}
.filter-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.select-wrap{position:relative}
.select-wrap i{position:absolute;right:11px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--text-3);pointer-events:none}
.filter-select{
  appearance:none;-webkit-appearance:none;padding:8px 32px 8px 14px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-size:13.5px;
}
.filter-select:focus{border-color:var(--cyan);outline:none}
.view-switch{display:flex;gap:4px;padding:3px;border-radius:9px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.view-switch button{width:32px;height:30px;border:0;border-radius:7px;background:transparent;color:var(--text-3);font-size:13px;transition:all var(--dur) var(--ease)}
.view-switch button:hover{color:var(--cyan)}
.view-switch button.is-active{background:var(--gold);color:#0A0B0F}

/* ---------- Dynamic grid ---------- */
.dyn-grid{margin-left:0 !important;margin-right:0 !important;display:grid !important;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.dyn-grid > .cell{width:auto;margin-left:0 !important;margin-right:0 !important}
.dyn-card{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.dyn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--cyan-line)}
.dyn-card-link{display:block;height:100%}
.dyn-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer-2)}
.dyn-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.dyn-card:hover .dyn-card-media img{transform:scale(1.06)}
.dyn-card-body{padding:18px}
.dyn-card-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dyn-card-body p{margin-top:9px;font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dyn-card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.dyn-card-meta span{color:var(--cyan)}
.dyn-card-meta time{font-family:"SFMono-Regular",Consolas,Menlo,monospace}

/* ---------- Rail ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.rail-controls{display:flex;gap:10px}
.rail-btn{
  width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);color:var(--text);font-size:14px;
  transition:all var(--dur) var(--ease);
}
.rail-btn:hover{background:var(--gold);border-color:var(--gold);color:#0A0B0F}
.rail-wrap{position:relative}
.rail-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:80px;pointer-events:none;background:linear-gradient(90deg,rgba(10,11,15,0),var(--bg))}
.rail-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.rail-track::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 240px;scroll-snap-align:start}
.rail-media{position:relative;aspect-ratio:2/3;border-radius:var(--r-img);overflow:hidden;background:var(--layer-2);border:1px solid var(--line)}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.rail-card:hover .rail-media{border-color:var(--cyan-line)}
.rail-card:hover .rail-media img{transform:scale(1.06)}
.rail-title{margin-top:12px;font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-sub{margin-top:6px;font-size:12.5px;color:var(--text-3)}

/* ---------- Benefits ---------- */
.benefit-grid{margin-left:0 !important;margin-right:0 !important;display:grid !important;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.benefit-grid > .cell{width:auto;margin-left:0 !important;margin-right:0 !important}
.benefit-card{
  height:100%;padding:26px 24px;border-radius:var(--r-card);
  background:linear-gradient(160deg,var(--layer-2),var(--layer-1));
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.benefit-card:hover{transform:translateY(-4px);border-color:var(--gold-line);box-shadow:var(--shadow-2)}
.benefit-num{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:38px;line-height:1;font-weight:700;color:var(--gold);letter-spacing:-1px}
.benefit-card h3{margin-top:14px;font-size:18px;font-weight:700;letter-spacing:-.2px}
.benefit-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--text-2)}
.benefit-icon{width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:var(--cyan-soft);color:var(--cyan);font-size:16px;margin-bottom:16px}

/* ---------- Steps ---------- */
.steps{margin-left:0 !important;margin-right:0 !important;display:grid !important;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.steps > .cell{width:auto;margin-left:0 !important;margin-right:0 !important}
.step-card{position:relative;padding:24px 20px;border-radius:var(--r-card);background:var(--layer-1);border:1px solid var(--line);height:100%;transition:all var(--dur) var(--ease)}
.step-card:hover{border-color:var(--cyan-line);transform:translateY(-4px)}
.step-index{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:13px;font-weight:700;color:var(--gold);letter-spacing:1px}
.step-card h3{margin-top:12px;font-size:17px;font-weight:600}
.step-card p{margin-top:9px;font-size:14px;line-height:1.8;color:var(--text-2)}
.step-line{position:absolute;top:50%;right:-12px;width:24px;height:1px;background:var(--line-strong)}
.step-card:last-child .step-line{display:none}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:960px;margin:0 auto}
.faq-item{
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-1);border-left:3px solid var(--cyan)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 22px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cyan)}
.faq-item summary i{flex:0 0 auto;font-size:13px;color:var(--gold);transition:transform var(--dur) var(--ease)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.9}
.faq-body p + p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-banner{position:relative;overflow:hidden;padding:82px 0;text-align:center;background:var(--bg)}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;filter:saturate(.75)}
.cta-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,15,.82),rgba(10,11,15,.94))}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.4px;line-height:1.35}
.cta-inner p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.cta-form{margin-top:28px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-form input[type="email"]{
  flex:1 1 320px;max-width:400px;padding:14px 18px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:var(--text);font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.cta-form input[type="email"]::placeholder{color:var(--text-3)}
.cta-form input[type="email"]:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px var(--cyan-soft)}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3)}
.form-tip{margin-top:10px;font-size:13px;color:var(--cyan);min-height:20px}

/* ---------- Related ---------- */
.related-grid{margin-left:0 !important;margin-right:0 !important;display:grid !important;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-grid > .cell{width:auto;margin-left:0 !important;margin-right:0 !important}
.related-card{
  display:flex;align-items:center;gap:16px;height:100%;padding:20px;
  background:var(--layer-1);border:1px solid var(--line);border-radius:var(--r-card);
  transition:all var(--dur) var(--ease);
}
.related-card:hover{border-color:var(--gold-line);transform:translateY(-4px);box-shadow:var(--shadow-2)}
.related-card i{flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--gold-soft);color:var(--gold);font-size:17px}
.related-card h3{font-size:16.5px;font-weight:600}
.related-card span{display:block;margin-top:5px;font-size:13px;color:var(--text-3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--layer-1);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-col h4{font-size:13px;letter-spacing:1.4px;color:var(--text-3);font-weight:700;text-transform:uppercase;margin-bottom:16px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:var(--text-2);max-width:400px}
.footer-link{display:block;padding:7px 0;font-size:14px;color:var(--text-2);transition:all var(--dur) var(--ease)}
.footer-link:hover{color:var(--cyan);transform:translateX(2px)}
.footer-sub-card{padding:18px;border-radius:var(--r-card);background:var(--layer-2);border:1px solid var(--line)}
.footer-sub-card p{font-size:13.5px;line-height:1.8;color:var(--text-2)}
.footer-sub-form{margin-top:14px;display:flex;gap:8px}
.footer-sub-form input{
  flex:1 1 auto;min-width:0;padding:11px 13px;border-radius:9px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text);font-size:13.5px;
}
.footer-sub-form input::placeholder{color:var(--text-3)}
.footer-sub-form input:focus{outline:none;border-color:var(--cyan)}
.footer-sub-form button{
  flex:0 0 auto;padding:11px 18px;border-radius:9px;border:1px solid transparent;
  background:var(--gold);color:#0A0B0F;font-size:13.5px;font-weight:700;transition:all var(--dur) var(--ease);
}
.footer-sub-form button:hover{background:#F0BC6C;box-shadow:0 0 0 4px var(--gold-soft)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.back-top{display:inline-flex;align-items:center;gap:7px;color:var(--text-2);font-size:13px}
.back-top:hover{color:var(--cyan)}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .dyn-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:992px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    position:fixed;top:60px;left:0;right:0;bottom:0;z-index:75;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:10px;
    padding:20px 24px 40px;background:rgba(10,11,15,.98);
    border-top:1px solid var(--line);overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .main-nav{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:13px 14px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .nav-right{flex-direction:column;align-items:stretch;gap:12px}
  .mega{width:100%}
  .mega-toggle{width:100%;justify-content:space-between;padding:13px 15px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;margin-top:10px;grid-template-columns:1fr;box-shadow:none;background:rgba(255,255,255,.03);
  }
  .mega.is-open .mega-panel{display:grid}
  .cat-hero{padding:110px 0 46px}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px}
  .dyn-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .benefit-grid,.steps,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-line{display:none}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section-title{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cat-hero{padding:96px 0 40px;min-height:auto}
  .cat-hero-lead{font-size:15px}
  .filter-inner{flex-direction:column;align-items:stretch;gap:12px;padding:12px 0}
  .filter-tools{justify-content:space-between}
  .dyn-grid{grid-template-columns:1fr}
  .benefit-grid,.steps,.related-grid{grid-template-columns:1fr}
  .rail-card{flex:0 0 180px}
  .rail-wrap::after{width:44px}
  .cta-banner{padding:58px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .cat-hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .footer-sub-form{flex-direction:column}
  .footer-sub-form button{width:100%}
}