/* roulang page: index */
:root{
  --bg-deep:#05060D;
  --bg:#0A0D1E;
  --panel:rgba(255,255,255,.04);
  --panel-2:rgba(255,255,255,.07);
  --cyan:#45E0CF;
  --violet:#8B6CF6;
  --gold:#F2C879;
  --text:#EDF1FF;
  --text-2:#A9B3D4;
  --text-3:#6B769B;
  --line:rgba(140,160,255,.14);
  --line-strong:rgba(140,160,255,.3);
  --danger:#FF6B7A;
  --success:#4FD08A;
  --r-tag:8px;
  --r-input:12px;
  --r-card:20px;
  --r-cover:24px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(3,6,20,.55);
  --sh-pop:0 24px 60px rgba(3,6,20,.7);
  --glow:0 0 24px rgba(69,224,207,.35);
  --grad:linear-gradient(100deg,#45E0CF,#8B6CF6);
  --max:1200px;
  --gap:24px;
  --mono:"JetBrains Mono","SFMono-Regular","Menlo","Consolas",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/></filter><rect width='140' height='140' filter='url(/%23n)' opacity='0.5'/></svg>");
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(680px 480px at 8% -6%,rgba(69,224,207,.07),transparent 70%),
    radial-gradient(720px 520px at 100% 100%,rgba(139,108,246,.08),transparent 70%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.section{padding:96px 0;position:relative;z-index:2}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0))}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,34px)}
.section-head p{color:var(--text-2);margin-top:10px;max-width:640px;font-size:15px}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:14.5px;white-space:nowrap;transition:color .2s}
.link-more span{transition:transform .2s}
.link-more:hover{color:var(--cyan)}
.link-more:hover span{transform:translateX(3px)}

/* 顶部细条 */
.topbar{height:36px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);position:relative;z-index:60}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;font-size:12.5px;color:var(--text-3)}
.topbar-inner a{color:var(--text-2);transition:color .2s}
.topbar-inner a:hover{color:var(--cyan)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,13,30,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:height .25s,background .25s}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.logo-mark svg{width:20px;height:20px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.logo-text em{font-style:normal;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{position:relative;padding:9px 14px;font-size:15px;color:var(--text-2);border-radius:10px;transition:color .18s}
.main-nav .nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.main-nav .nav-link:hover{color:var(--text)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--text)}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.main-nav .nav-link.active::before{content:"";position:absolute;left:2px;top:50%;width:4px;height:4px;margin-top:-2px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow)}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);padding:0;position:relative}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:2px;transition:transform .22s,opacity .22s}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:15px;border-radius:var(--r-pill);border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;min-height:44px;white-space:nowrap}
.btn-primary{background:var(--grad);color:#04101A;font-weight:700;box-shadow:0 10px 26px rgba(69,224,207,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(69,224,207,.34);filter:brightness(1.08)}
.btn-ghost-line{background:transparent;border-color:rgba(69,224,207,.5);color:var(--cyan)}
.btn-ghost-line:hover{background:rgba(69,224,207,.08);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}
.btn-text{background:none;border:0;padding:4px 0;color:var(--cyan);font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.btn-text span{transition:transform .2s}
.btn-text:hover span{transform:translateX(3px)}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* Hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;transform:scale(1.02)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,6,13,.78),rgba(5,6,13,.93))}
.hero-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(48deg,rgba(139,108,246,.38),rgba(69,224,207,.08) 45%,transparent 72%);mix-blend-mode:screen}
.hero-orbit{position:absolute;inset:0;width:100%;height:100%;opacity:.7;pointer-events:none}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:56px;align-items:center;padding:96px 0 80px}
.hero h1{font-size:clamp(30px,4.2vw,52px);max-width:15em}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:22px;font-size:17px;color:var(--text-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.entry-search{margin-top:36px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) auto;gap:10px;padding:12px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px);box-shadow:var(--sh-card);max-width:640px}
.entry-search input,.entry-search select{height:46px;padding:0 14px;border-radius:var(--r-input);background:rgba(6,9,22,.6);border:1px solid var(--line);color:var(--text);font-size:15px;transition:border-color .18s,box-shadow .18s}
.entry-search input::placeholder{color:var(--text-3)}
.entry-search input:focus,.entry-search select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(69,224,207,.16)}
.entry-search select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.entry-search .btn{height:46px}
.hero-stats{padding:26px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);border-top-color:rgba(255,255,255,.12);backdrop-filter:blur(14px);box-shadow:var(--sh-card)}
.hero-stats h3{font-size:15px;color:var(--text-2);font-weight:600;margin-bottom:18px}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;padding:14px 0;border-top:1px solid var(--line)}
.stat-row:first-of-type{border-top:0;padding-top:0}
.stat-row .stat-label{font-size:14px;color:var(--text-2)}
.stat-row .stat-value{font-family:var(--mono);font-size:26px;color:var(--gold);font-variant-numeric:tabular-nums}
.stat-row .stat-value small{font-size:13px;color:var(--text-3);margin-left:4px}

/* 快捷入口 */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.entry-card{display:flex;flex-direction:column;justify-content:space-between;min-height:132px;padding:20px 22px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);border-top-color:rgba(255,255,255,.1);backdrop-filter:blur(14px);transition:transform .2s,border-color .2s,box-shadow .2s}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.45);box-shadow:var(--sh-card)}
.entry-card .entry-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(69,224,207,.1);border:1px solid rgba(69,224,207,.28);color:var(--cyan);margin-bottom:14px}
.entry-card h3{font-size:17px}
.entry-card p{font-size:14px;color:var(--text-2);margin-top:6px}
.entry-card .entry-foot{display:flex;align-items:center;justify-content:flex-end;color:var(--text-3);font-size:14px;transition:color .2s,transform .2s}
.entry-card:hover .entry-foot{color:var(--cyan);transform:translateX(3px)}

/* 合集目录 */
.collection-wrap{display:grid;grid-template-columns:5fr 7fr;gap:var(--gap);align-items:start}
.cover-card{position:relative;border-radius:var(--r-cover);overflow:hidden;box-shadow:var(--sh-card);aspect-ratio:16/10}
.cover-card img{width:100%;height:100%;object-fit:cover}
.cover-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,6,13,.05),rgba(5,6,13,.86))}
.cover-card .cover-body{position:absolute;left:0;right:0;bottom:0;padding:24px;z-index:2}
.cover-card .cover-body h3{font-size:20px}
.cover-card .cover-body p{font-size:14px;color:var(--text-2);margin-top:8px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;font-size:12.5px;border-radius:var(--r-tag);background:var(--panel-2);border:1px solid var(--line);color:var(--text-2);line-height:1.5}
.tag-cyan{border-color:rgba(69,224,207,.42);color:var(--cyan)}
.tag-gold{border-color:rgba(242,200,121,.45);color:var(--gold)}
.cover-card .tag{position:absolute;top:18px;left:18px;z-index:3;background:rgba(5,6,13,.6);backdrop-filter:blur(8px)}
.catalog{display:flex;flex-direction:column;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);overflow:hidden}
.catalog-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 20px;border-top:1px solid var(--line);position:relative;transition:background .2s}
.catalog-row:first-child{border-top:0}
.catalog-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--cyan);transform:scaleY(0);transition:transform .2s}
.catalog-row:hover{background:rgba(69,224,207,.05)}
.catalog-row:hover::before{transform:scaleY(1)}
.catalog-num{font-family:var(--mono);font-size:15px;color:rgba(69,224,207,.42);transition:color .2s}
.catalog-row:hover .catalog-num{color:var(--cyan)}
.catalog-row h3{font-size:16.5px}
.catalog-row p{font-size:13.5px;color:var(--text-2);margin-top:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.catalog-meta{display:flex;align-items:center;gap:12px}
.catalog-meta .count{font-family:var(--mono);font-size:12.5px;color:var(--text-3);padding:3px 9px;border:1px solid var(--line);border-radius:var(--r-pill)}
.catalog-meta .arrow{color:var(--text-3);transition:color .2s,transform .2s}
.catalog-row:hover .catalog-meta .arrow{color:var(--cyan);transform:translateX(3px)}
.catalog-more{display:none;padding:16px 20px;text-align:center;border-top:1px solid var(--line)}

/* 精选条目 */
.picks-track{display:flex;gap:var(--gap);overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.picks-track::-webkit-scrollbar{height:6px}
.picks-track::-webkit-scrollbar-thumb{background:rgba(140,160,255,.25);border-radius:999px}
.pick-card{flex:0 0 calc((100% - var(--gap) * 3) / 4);min-width:264px;scroll-snap-align:start;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.4);box-shadow:var(--sh-card)}
.pick-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.pick-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pick-card:hover .pick-cover img{transform:scale(1.04)}
.pick-cover .tag{position:absolute;left:14px;top:14px;background:rgba(5,6,13,.65);backdrop-filter:blur(8px)}
.fav-btn{position:absolute;right:12px;top:12px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(5,6,13,.6);border:1px solid var(--line);color:var(--text-2);backdrop-filter:blur(8px);transition:color .2s,border-color .2s,background .2s;padding:0}
.fav-btn:hover,.fav-btn.is-on{color:var(--gold);border-color:rgba(242,200,121,.5)}
.pick-body{padding:20px}
.pick-body h3{font-size:17.5px}
.pick-body p{font-size:14px;color:var(--text-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--text-3)}

/* 最新信息（CMS） */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.news-card{display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;padding:16px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);border-top-color:rgba(255,255,255,.1);backdrop-filter:blur(14px);transition:transform .2s,border-color .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.4);box-shadow:var(--sh-card)}
.news-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/11}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;min-width:0}
.news-body h3{font-size:17px;margin-top:10px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{transition:color .2s}
.news-card:hover .news-body h3 a{color:var(--cyan)}
.news-body p{font-size:14px;color:var(--text-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--text-3)}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:16px;padding:56px 24px;border-radius:var(--r-card);border:1px dashed var(--line-strong);background:rgba(255,255,255,.02);text-align:center}
.empty-state svg{width:96px;height:64px;color:var(--text-3);opacity:.8}
.empty-state p{color:var(--text-2);font-size:15px}
.news-foot{display:flex;justify-content:center;margin-top:40px}

/* 星图推荐 */
.star-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);position:relative}
.star-line{position:absolute;left:6%;right:6%;top:38px;height:1px;background:linear-gradient(90deg,rgba(69,224,207,0),rgba(69,224,207,.5),rgba(139,108,246,.5),rgba(139,108,246,0));z-index:0}
.star-card{position:relative;z-index:1;padding:22px;border-radius:var(--r-card);background:rgba(12,16,36,.92);border:1px solid var(--line);backdrop-filter:blur(14px);transition:transform .2s,border-color .2s,box-shadow .2s}
.star-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.4);box-shadow:var(--sh-card)}
.star-card .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow);margin-bottom:18px}
.star-card h3{font-size:16.5px}
.star-card p{font-size:13.5px;color:var(--text-2);margin-top:8px}

/* CTA */
.cta-band{border-radius:var(--r-cover);padding:44px;background:linear-gradient(120deg,rgba(69,224,207,.1),rgba(139,108,246,.14)),rgba(255,255,255,.03);border:1px solid var(--line);border-top-color:rgba(255,255,255,.14);backdrop-filter:blur(14px);box-shadow:var(--sh-pop);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{color:var(--text-2);margin-top:12px;font-size:15px}
.cta-right{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.subscribe{display:flex;gap:10px;width:100%}
.subscribe input{flex:1;min-width:0;height:46px;padding:0 14px;border-radius:var(--r-input);background:rgba(6,9,22,.6);border:1px solid var(--line);color:var(--text);font-size:15px;transition:border-color .18s,box-shadow .18s}
.subscribe input::placeholder{color:var(--text-3)}
.subscribe input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(69,224,207,.16)}
.cta-note{font-size:12.5px;color:var(--text-3)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.faq-item{border-radius:var(--r-card);background:var(--panel);border:1px solid var(--line);overflow:hidden;position:relative}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--cyan);transform:scaleY(0);transition:transform .2s}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:18px 22px;background:none;border:0;color:var(--text);font-size:16px;text-align:left;font-weight:600}
.faq-q .idx{font-family:var(--mono);font-size:13px;color:var(--text-3);flex-shrink:0}
.faq-q .plus{margin-left:auto;flex-shrink:0;width:22px;height:22px;position:relative;transition:transform .24s;color:var(--cyan)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-q .plus::before{left:2px;right:2px;top:10px;height:2px}
.faq-q .plus::after{top:2px;bottom:2px;left:10px;width:2px}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 22px 20px 54px;font-size:14.5px;color:var(--text-2)}
.faq-item.is-open .faq-a{max-height:320px}

/* 页脚 */
.site-footer{background:#070A18;border-top:1px solid var(--line);position:relative;margin-top:20px;z-index:2}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:linear-gradient(90deg,rgba(69,224,207,0),var(--cyan),var(--violet),rgba(139,108,246,0))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding:64px 0 40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text-3);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);font-size:12.5px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:var(--text-3);transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{flex:1;min-width:0;height:40px;padding:0 12px;border-radius:var(--r-input);background:rgba(6,9,22,.7);border:1px solid var(--line);color:var(--text);font-size:13.5px}
.footer-sub input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(69,224,207,.15)}
.footer-sub button{height:40px;padding:0 16px;border-radius:var(--r-pill);border:0;background:var(--grad);color:#04101A;font-size:13.5px;font-weight:700}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3);transition:color .2s}
.footer-bottom a:hover{color:var(--cyan)}

/* 移动端抽屉 */
@media (max-width:1023px){
  .menu-toggle{display:block}
  .main-nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;padding:16px 24px 28px;background:rgba(8,11,26,.96);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .28s ease;z-index:49}
  .main-nav.is-open{transform:translateY(0)}
  .main-nav .nav-link{padding:16px 4px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active::before{left:0}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:72px 0 64px}
  .collection-wrap{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:1fr}
  .star-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .star-line{display:none}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:48px 0 32px}
  .section{padding:72px 0}
  .hero{min-height:560px}
}
@media (max-width:767px){
  .topbar{display:none}
  .main-nav{inset:72px 0 auto 0}
  .container{padding:0 20px}
  .hero{min-height:460px}
  .hero-inner{padding:56px 0 52px}
  .entry-search{grid-template-columns:1fr;padding:14px}
  .entry-search .btn{width:100%}
  .entry-grid{grid-template-columns:1fr}
  .pick-card{flex:0 0 78%}
  .news-card{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .star-grid{grid-template-columns:1fr}
  .cta-band{padding:24px;border-radius:20px}
  .catalog-row{padding:14px 16px;gap:12px}
  .catalog-row:nth-child(n+6){display:none}
  .catalog.is-expanded .catalog-row{display:grid}
  .catalog-more{display:block}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .faq-a p{padding-left:22px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding:40px 0 24px}
  .footer-bottom{font-size:12.5px}
}
@media (max-width:520px){
  body{font-size:15px}
  .pick-card{flex:0 0 88%}
  .pill-row{flex-wrap:wrap}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#05060D;
  --bg-2:#0A0D1E;
  --panel:rgba(255,255,255,0.04);
  --panel-strong:rgba(255,255,255,0.07);
  --line:rgba(140,160,255,0.14);
  --line-soft:rgba(140,160,255,0.09);
  --cyan:#45E0CF;
  --purple:#8B6CF6;
  --gold:#F2C879;
  --text-1:#EDF1FF;
  --text-2:#A9B3D4;
  --text-3:#6B769B;
  --danger:#FF6B7A;
  --success:#4FD08A;
  --r-s:8px;
  --r-m:12px;
  --r-l:20px;
  --r-xl:24px;
  --shadow-card:0 18px 40px rgba(3,6,20,0.55);
  --shadow-float:0 24px 60px rgba(3,6,20,0.7);
  --glow:0 0 24px rgba(69,224,207,0.35);
  --container:1200px;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background-color:var(--bg-2);
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(69,224,207,0.07), transparent 62%),
    radial-gradient(900px 620px at 102% 100%, rgba(139,108,246,0.07), transparent 62%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size:4px 4px;
  opacity:.22;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(69,224,207,0.28);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ---------- 顶部细条 ---------- */
.topbar{
  background:rgba(255,255,255,0.03);
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
  font-size:12.5px;
  color:var(--text-3);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:36px;
  gap:16px;
}
.topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-link{color:var(--text-2);}
.topbar-link::after{content:"→";margin-left:6px;color:var(--cyan);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(10,13,30,0.66);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:height .22s ease, background-color .22s ease, box-shadow .22s ease;
}
.site-header.scrolled{
  height:60px;
  background:rgba(8,10,24,0.9);
  box-shadow:0 12px 30px rgba(3,6,20,0.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:28px;
  height:28px;
  display:inline-flex;
}
.logo-mark svg{width:100%;height:100%;}
.logo-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:0.01em;
  color:var(--text-1);
  white-space:nowrap;
}
.logo-text em{
  font-style:normal;
  font-size:13px;
  font-weight:500;
  color:var(--text-2);
  margin-left:4px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.main-nav .nav-link{
  position:relative;
  padding:10px 16px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:var(--r-s);
  white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.main-nav .nav-link:hover{color:var(--text-1);}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--text-1);}
.main-nav .nav-link.active::after{transform:scaleX(1);}
.main-nav .nav-link.active::before{
  content:"";
  position:absolute;
  left:4px;
  top:50%;
  width:4px;
  height:4px;
  margin-top:-2px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(69,224,207,0.8);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:8px;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:var(--panel);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:1.6px;
  border-radius:2px;
  background:var(--text-1);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  border:1px solid transparent;
  line-height:1.2;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, filter .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(100deg,var(--cyan),var(--purple));
  color:#08111F;
  box-shadow:0 0 20px rgba(69,224,207,0.28);
}
.btn-primary:hover{
  color:#08111F;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 32px rgba(69,224,207,0.5);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(69,224,207,0.5);
  color:var(--cyan);
}
.btn-ghost:hover{
  background:rgba(69,224,207,0.08);
  color:var(--cyan);
  border-color:var(--cyan);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  color:var(--text-2);
}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  font-size:12.5px;
  line-height:1.6;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,0.05);
  color:var(--text-2);
  white-space:nowrap;
}
.badge-primary{
  border-color:rgba(69,224,207,0.45);
  color:var(--cyan);
  background:rgba(69,224,207,0.08);
}
.badge-gold{
  border-color:rgba(242,200,121,0.45);
  color:var(--gold);
  background:rgba(242,200,121,0.08);
}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:0.18em;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:10px;
}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  filter:saturate(0.9);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(5,6,13,0.72) 0%, rgba(5,6,13,0.86) 55%, rgba(10,13,30,0.96) 100%);
  z-index:1;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(120deg, rgba(139,108,246,0.22), rgba(69,224,207,0.05) 55%, transparent 80%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:56px 24px;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:40px;
  align-items:center;
}
.breadcrumb{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:14px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb span{margin:0 8px;color:rgba(107,118,155,0.7);}
.page-hero h1{
  font-size:clamp(28px,3.4vw,42px);
  margin-bottom:14px;
}
.page-hero .hero-sub{
  font-size:16px;
  color:var(--text-2);
  max-width:560px;
}
.hero-stats{
  display:flex;
  gap:12px;
  justify-content:flex-end;
  flex-wrap:wrap;
}
.stat-card{
  flex:1 1 120px;
  min-width:110px;
  padding:16px 18px;
  border-radius:var(--r-l);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.10), var(--shadow-card);
  backdrop-filter:blur(14px);
}
.stat-card b{
  display:block;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  color:var(--gold);
  line-height:1.2;
}
.stat-card span{
  display:block;
  font-size:12.5px;
  color:var(--text-3);
  margin-top:4px;
}

/* ---------- 页内子导航 ---------- */
.subnav{
  position:sticky;
  top:72px;
  z-index:40;
  background:rgba(10,13,30,0.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.subnav-inner{
  display:flex;
  gap:8px;
  padding:10px 24px;
  overflow-x:auto;
  scrollbar-width:none;
}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav-item{
  position:relative;
  padding:8px 16px;
  font-size:14px;
  color:var(--text-2);
  border-radius:999px;
  border:1px solid transparent;
  white-space:nowrap;
}
.subnav-item:hover{color:var(--text-1);background:var(--panel);}
.subnav-item.active{
  color:var(--text-1);
  border-color:var(--line);
  background:var(--panel);
}
.subnav-item.active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);}
.section-head p{
  color:var(--text-2);
  font-size:15px;
  max-width:700px;
  margin-top:10px;
}

/* ---------- 星轨时间轴 ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";
  position:absolute;
  left:15px;
  top:10px;
  bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg, rgba(69,224,207,0.6), rgba(139,108,246,0.45) 55%, rgba(69,224,207,0));
}
.tl-item{
  position:relative;
  padding-left:56px;
  margin-bottom:14px;
}
.tl-node{
  position:absolute;
  left:8px;
  top:30px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--bg-2);
  border:2px solid rgba(69,224,207,0.75);
  box-shadow:0 0 12px rgba(69,224,207,0.4);
  z-index:2;
}
.tl-card{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr auto auto;
  align-items:center;
  gap:18px;
  padding:18px 22px;
  border-radius:var(--r-l);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08), var(--shadow-card);
  transition:transform .2s ease, border-color .2s ease, background-color .2s ease;
}
.tl-card::before{
  content:"";
  position:absolute;
  left:-1px;
  top:16px;
  bottom:16px;
  width:2px;
  border-radius:2px;
  background:var(--cyan);
  opacity:0;
  transition:opacity .2s ease;
}
.tl-card:hover{
  transform:translateY(-2px);
  border-color:rgba(69,224,207,0.45);
  background:var(--panel-strong);
}
.tl-card:hover::before{opacity:1;}
.tl-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  letter-spacing:0.04em;
  color:rgba(69,224,207,0.42);
  transition:color .2s ease;
}
.tl-card:hover .tl-num{color:var(--cyan);}
.tl-body h3{
  font-size:17px;
  color:var(--text-1);
  margin-bottom:4px;
}
.tl-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.6;
}
.tl-arrow{
  color:var(--text-3);
  font-size:16px;
  transition:transform .2s ease, color .2s ease;
}
.tl-card:hover .tl-arrow{transform:translateX(3px);color:var(--cyan);}
.tl-divider{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 0 22px 56px;
  font-size:13.5px;
  color:var(--text-3);
  letter-spacing:0.02em;
}
.tl-divider::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(90deg, rgba(69,224,207,0.4), rgba(139,108,246,0.25), transparent);
}

/* ---------- FAQ ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:900px;
}
.faq-item{
  border-radius:var(--r-l);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.open{border-color:rgba(69,224,207,0.4);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:2px;
  border-radius:2px;
  background:var(--cyan);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-idx{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:13.5px;
  color:rgba(69,224,207,0.55);
}
.faq-icon{
  margin-left:auto;
  width:22px;
  height:22px;
  flex-shrink:0;
  position:relative;
  transition:transform .2s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--cyan);
  border-radius:2px;
}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px;}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 22px 20px 50px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:36px;
  align-items:center;
  padding:44px;
  border-radius:var(--r-xl);
  background:linear-gradient(120deg, rgba(69,224,207,0.09), rgba(139,108,246,0.12));
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.10), var(--shadow-float);
  position:relative;
  overflow:hidden;
}
.cta-banner::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:1px dashed rgba(69,224,207,0.22);
  pointer-events:none;
}
.cta-banner h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.cta-banner p{color:var(--text-2);font-size:15px;max-width:520px;}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:24px;
}
.cta-side form{
  display:flex;
  gap:10px;
  margin-top:14px;
}
.cta-side input{
  flex:1;
  min-width:0;
  padding:12px 16px;
  font-size:14.5px;
  color:var(--text-1);
  background:rgba(255,255,255,0.05);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.cta-side input::placeholder{color:var(--text-3);}
.cta-side input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(69,224,207,0.15);
}
.cta-side .fine{
  font-size:12.5px;
  color:var(--text-3);
  margin-top:12px;
}
.cta-side h3{font-size:17px;margin-bottom:6px;}
.cta-side .side-desc{font-size:13.5px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:40px;
  background:#070A18;
  border-top:1px solid transparent;
  background-image:linear-gradient(#070A18,#070A18),linear-gradient(90deg,var(--cyan),var(--purple));
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.8;
  max-width:320px;
}
.footer-social{
  display:flex;
  gap:8px;
  margin-top:18px;
}
.footer-social span{
  width:30px;
  height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12.5px;
  color:var(--text-2);
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--panel);
}
.footer-col h4{
  font-size:14px;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:0.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:13.5px;
  color:var(--text-3);
}
.footer-col ul a:hover{color:var(--cyan);}
.footer-sub{
  display:flex;
  gap:8px;
  margin-top:14px;
}
.footer-sub input{
  flex:1;
  min-width:0;
  padding:10px 14px;
  font-size:13.5px;
  color:var(--text-1);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(69,224,207,0.14);
}
.footer-sub button{
  padding:10px 18px;
  font-size:13.5px;
  font-weight:600;
  color:#08111F;
  border-radius:999px;
  background:linear-gradient(100deg,var(--cyan),var(--purple));
  transition:filter .2s ease, transform .2s ease;
}
.footer-sub button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0 28px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--text-3);
  flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{grid-template-columns:1.3fr 1fr;gap:28px;}
  .section{padding:80px 0;}
}
@media (max-width:1023px){
  .site-header{height:64px;}
  .site-header.scrolled{height:58px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;
    left:0;
    right:0;
    top:64px;
    bottom:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:20px 24px 40px;
    background:rgba(7,10,24,0.97);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--line-soft);
    transform:translateY(-10px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .22s ease, transform .22s ease, visibility .22s;
    overflow-y:auto;
  }
  .main-nav.open{
    opacity:1;
    transform:none;
    visibility:visible;
    pointer-events:auto;
  }
  .main-nav .nav-link{
    padding:18px 4px;
    font-size:17px;
    border-bottom:1px solid var(--line-soft);
    border-radius:0;
  }
  .main-nav .nav-link::after{left:4px;right:auto;width:28px;bottom:10px;}
  .main-nav .nav-link.active::before{display:none;}
  .subnav{top:64px;}
  .page-hero{min-height:300px;}
  .hero-inner{grid-template-columns:1fr;padding:48px 24px;gap:28px;}
  .hero-stats{justify-content:flex-start;}
  .cta-banner{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .topbar{display:none;}
  .site-header{height:60px;}
  .site-header.scrolled{height:56px;}
  .main-nav{top:60px;}
  .subnav{top:60px;}
  .subnav-inner{padding:8px 20px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .page-hero{min-height:280px;}
  .hero-inner{padding:36px 20px;}
  .page-hero h1{font-size:clamp(24px,6vw,30px);}
  .page-hero .hero-sub{font-size:15px;}
  .stat-card{padding:14px;min-width:96px;flex:1 1 96px;}
  .stat-card b{font-size:20px;}
  .tl-item{padding-left:40px;}
  .timeline::before{left:11px;}
  .tl-node{left:4px;top:26px;width:14px;height:14px;}
  .tl-card{
    grid-template-columns:auto 1fr;
    row-gap:10px;
    padding:16px 18px;
    gap:14px;
  }
  .tl-num{grid-row:1;align-self:center;}
  .tl-body{grid-column:2;grid-row:1;}
  .tl-arrow{display:none;}
  .tl-card .badge{grid-column:2;grid-row:2;justify-self:start;}
  .tl-divider{padding:18px 0 18px 40px;}
  .faq-q{padding:16px 18px;font-size:15px;gap:12px;}
  .faq-a p{padding:0 18px 18px 44px;}
  .cta-banner{padding:24px;gap:24px;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12.5px;}
  .btn{min-height:44px;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .logo-text{font-size:15px;}
  .logo-text em{font-size:12px;}
  .header-actions .btn{display:none;}
  .hero-stats{gap:8px;}
  .stat-card{padding:12px;flex:1 1 100%;}
  .stat-card b{font-size:19px;}
  .tl-card{padding:14px;border-radius:16px;}
  .tl-body h3{font-size:16px;}
  .cta-actions{flex-direction:column;}
  .cta-side form{flex-direction:column;}
  .cta-side button{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-a p{padding-left:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-deep:#05060D;
  --bg:#0A0D1E;
  --panel:#121734;
  --glass:rgba(255,255,255,.04);
  --glass-strong:rgba(255,255,255,.07);
  --cyan:#45E0CF;
  --violet:#8B6CF6;
  --gold:#F2C879;
  --text-1:#EDF1FF;
  --text-2:#A9B3D4;
  --text-3:#6B769B;
  --line:rgba(140,160,255,.14);
  --line-strong:rgba(140,160,255,.26);
  --danger:#FF6B7A;
  --ok:#4FD08A;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:20px;
  --radius-xl:24px;
  --shadow-card:0 18px 40px rgba(3,6,20,.55);
  --shadow-float:0 24px 60px rgba(3,6,20,.7);
  --glow:0 0 24px rgba(69,224,207,.35);
  --grad:linear-gradient(100deg,#45E0CF,#8B6CF6);
  --container:1200px;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(680px 480px at 8% 4%,rgba(69,224,207,.07),transparent 62%),
    radial-gradient(760px 520px at 92% 88%,rgba(139,108,246,.08),transparent 64%),
    linear-gradient(180deg,#0A0D1E 0%,#070A18 100%);
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:3px 3px;
  opacity:.55;
  pointer-events:none;
  z-index:-1;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* 顶部细条 */
.topbar{
  height:36px;
  display:flex;align-items:center;
  background:rgba(255,255,255,.035);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  font-size:13px;color:var(--text-3);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar a{color:var(--text-2);}
.topbar a:hover{color:var(--cyan);}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;
  display:flex;align-items:center;
  background:rgba(10,13,30,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:height .22s ease,background .22s ease;
}
.site-header.scrolled{height:60px;background:rgba(8,10,24,.9);}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{width:28px;height:28px;display:inline-flex;flex:0 0 28px;}
.logo-mark svg{width:100%;height:100%;}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;}
.logo-text em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:2px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;color:var(--text-2);
  border-radius:var(--radius-s);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--cyan);
}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-divider{width:1px;height:22px;background:var(--line-strong);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;
  border-radius:999px;min-height:44px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#06091A;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 34px rgba(69,224,207,.5);}
.btn-ghost-line{background:transparent;color:var(--text-1);border:1px solid rgba(69,224,207,.5);}
.btn-ghost-line:hover{background:rgba(69,224,207,.1);box-shadow:0 0 18px rgba(69,224,207,.22);}
.btn-text{color:var(--cyan);padding:8px 0;min-height:0;font-weight:600;}
.btn-text .arrow{transition:transform .18s ease;}
.btn-text:hover .arrow{transform:translateX(3px);}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--radius-m);align-items:center;justify-content:center;}
.burger span{display:block;width:18px;height:1.6px;background:var(--text-1);margin:3px 0;border-radius:2px;}

/* 文章页顶部收口线 */
.grad-line{height:1px;background:linear-gradient(90deg,transparent,rgba(69,224,207,.65),rgba(139,108,246,.55),transparent);}

/* 面包屑 */
.crumb-wrap{padding:28px 0 0;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--text-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头 */
.article-head{padding:26px 0 36px;max-width:900px;}
.article-head h1{font-size:clamp(26px,3vw,38px);line-height:1.32;margin-bottom:18px;}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13.5px;color:var(--text-3);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);letter-spacing:.02em;
}
.badge-gold{border-color:rgba(242,200,121,.45);color:var(--gold);}
.badge-cyan{border-color:rgba(69,224,207,.45);color:var(--cyan);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}
.meta-author{display:inline-flex;align-items:center;gap:8px;}
.meta-author i{display:block;width:22px;height:22px;border-radius:50%;background:var(--grad);opacity:.85;}
.article-cover{
  margin:0 0 44px;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;background:#0d1128;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.cover-caption{margin-top:10px;font-size:12.5px;color:var(--text-3);}

/* 布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,780px) 200px;
  gap:56px;
  justify-content:center;
  align-items:start;
  padding-bottom:80px;
}
.article-body{font-size:17px;line-height:1.95;color:#DDE3F7;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .9em;padding-left:16px;
  font-size:clamp(21px,2.2vw,27px);color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:1.05em;
  border-radius:3px;background:var(--grad);
}
.article-body h3{margin:1.8em 0 .7em;font-size:19px;font-weight:700;color:var(--text-1);}
.article-body h4{margin:1.5em 0 .6em;font-size:17px;font-weight:700;color:var(--text-1);}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(69,224,207,.35);}
.article-body a:hover{border-bottom-color:var(--cyan);}
.article-body strong{color:#FFFFFF;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin:0 0 .6em;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.78em;
  width:6px;height:6px;border-radius:50%;background:rgba(69,224,207,.85);
  box-shadow:0 0 10px rgba(69,224,207,.5);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{position:relative;padding-left:36px;margin:0 0 .6em;counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:13.5px;color:rgba(69,224,207,.75);
  line-height:2.1;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--cyan);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  background:var(--glass);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:1.4em 0 .6em;border:1px solid var(--line);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:12.5px;color:var(--text-3);}
.article-body pre{
  margin:1.6em 0;padding:20px;overflow:auto;
  background:#070A18;border:1px solid var(--line);border-radius:var(--radius-m);
  font-family:var(--mono);font-size:13.5px;line-height:1.7;color:#C9D4F5;
}
.article-body code{
  font-family:var(--mono);font-size:.9em;
  background:rgba(139,108,246,.16);color:#CFC6FF;
  padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{color:var(--cyan);font-weight:600;background:var(--glass);}

/* 目录 */
.toc{
  position:sticky;top:96px;
  padding:20px 18px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  max-height:calc(100vh - 140px);
  overflow:auto;
}
.toc h3{font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:12px;text-transform:uppercase;}
.toc a{
  display:block;padding:7px 10px;font-size:13.5px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:all .16s ease;
}
.toc a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.toc a.active{color:var(--cyan);border-left-color:var(--cyan);background:rgba(69,224,207,.08);}
.toc-toggle{display:none;}

/* 标签与分享 */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.tag{
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  transition:all .18s ease;
}
.tag:hover{border-color:rgba(69,224,207,.5);color:var(--cyan);background:rgba(69,224,207,.08);}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13.5px;
  background:transparent;border:1px solid var(--line-strong);color:var(--text-2);
  transition:all .18s ease;min-height:40px;
}
.share-btn:hover{border-color:rgba(69,224,207,.55);color:var(--cyan);background:rgba(69,224,207,.08);}
.share-btn.on{border-color:rgba(242,200,121,.6);color:var(--gold);}

/* 通用区块 */
.section{padding:76px 0;}
.section-alt{padding:76px 0;background:rgba(255,255,255,.018);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:20px;margin-bottom:34px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);}
.section-head p{color:var(--text-3);font-size:14px;margin-top:8px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--grad);}

/* 相关推荐卡 */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.5);box-shadow:0 22px 48px rgba(3,6,20,.7);}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:#0d1128;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;line-height:1.5;color:var(--text-1);}
.post-card:hover .post-body h3{color:#FFFFFF;}
.post-body p{font-size:13.5px;color:var(--text-3);line-height:1.7;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:12.5px;color:var(--text-3);}
.post-meta .time{font-family:var(--mono);}
.post-meta .more{color:var(--cyan);}

/* 上下篇 */
.pager{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:16px;}
.pager-item{
  display:flex;flex-direction:column;gap:8px;
  padding:22px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--line);
  transition:all .2s ease;
}
.pager-item:hover{border-color:rgba(69,224,207,.5);transform:translateY(-3px);}
.pager-item span{font-size:12.5px;color:var(--text-3);letter-spacing:.08em;}
.pager-item strong{font-size:16px;color:var(--text-1);font-weight:600;}
.pager-item.right{text-align:right;align-items:flex-end;}
.back-list{margin-top:20px;display:flex;justify-content:center;}

/* 评论表单 */
.form-card{
  padding:30px;border-radius:var(--radius-xl);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;color:var(--text-2);}
.field input,.field textarea{
  width:100%;padding:13px 16px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  font-size:15px;color:var(--text-1);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(69,224,207,.7);
  box-shadow:0 0 0 4px rgba(69,224,207,.14);
  background:rgba(255,255,255,.055);
}
.form-hint{font-size:12.5px;color:var(--text-3);}
.form-actions{display:flex;align-items:center;gap:16px;margin-top:22px;flex-wrap:wrap;}

/* CTA 横幅 */
.cta-band{
  padding:36px;border-radius:var(--radius-xl);
  background:linear-gradient(120deg,rgba(69,224,207,.10),rgba(139,108,246,.12));
  border:1px solid rgba(140,160,255,.22);
  box-shadow:var(--shadow-float);
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border:1px solid rgba(69,224,207,.22);border-radius:50%;
}
.cta-band h2{font-size:clamp(21px,2.2vw,28px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.open{border-color:rgba(69,224,207,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;color:var(--text-1);
  min-height:44px;
}
.faq-q .num{font-family:var(--mono);font-size:13px;color:rgba(69,224,207,.6);}
.faq-q .plus{margin-left:auto;color:var(--cyan);font-size:20px;transition:transform .2s ease;line-height:1;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 22px 20px 58px;color:var(--text-2);font-size:14.5px;line-height:1.85;position:relative;}
.faq-a p::before{
  content:"";position:absolute;left:22px;top:6px;width:2px;height:calc(100% - 28px);
  background:var(--grad);border-radius:2px;opacity:.7;
}

/* 页脚 */
.site-footer{
  position:relative;
  background:#070A18;
  padding:64px 0 0;
  margin-top:20px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(69,224,207,.7),rgba(139,108,246,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social span{
  width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);font-size:13px;color:var(--text-3);
  transition:all .18s ease;
}
.footer-social span:hover{border-color:rgba(69,224,207,.5);color:var(--cyan);}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--text-3);}
.footer-col a:hover{color:var(--cyan);}
.footer-sub{display:flex;gap:8px;margin-top:14px;}
.footer-sub input{
  flex:1;min-width:0;padding:10px 14px;font-size:13.5px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius-m);color:var(--text-1);
}
.footer-sub input:focus{outline:none;border-color:rgba(69,224,207,.65);box-shadow:0 0 0 4px rgba(69,224,207,.12);}
.footer-sub button{
  padding:10px 18px;border-radius:var(--radius-m);font-size:13.5px;font-weight:600;
  background:var(--grad);color:#06091A;transition:filter .18s ease;
}
.footer-sub button:hover{filter:brightness(1.08);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* 空态 */
.empty-state{
  padding:56px 24px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--radius-l);
  background:var(--glass);
}
.empty-state svg{width:120px;height:60px;margin:0 auto 18px;}
.empty-state p{color:var(--text-2);margin-bottom:20px;font-size:15px;}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(6,8,18,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  display:flex;flex-direction:column;
  padding:24px;
  transform:translateY(-100%);
  transition:transform .3s ease;
}
.drawer.open{transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--radius-m);color:var(--text-1);font-size:20px;line-height:1;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  padding:18px 4px;font-size:19px;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--cyan);}
.drawer .btn{margin-top:auto;}

@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 200px;gap:40px;}
}
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px;padding-bottom:64px;}
  .toc{position:static;max-height:none;order:-1;padding:0;}
  .toc h3{display:none;}
  .toc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    padding:14px 18px;font-size:14.5px;color:var(--text-1);
    border:1px solid var(--line);border-radius:var(--radius-m);background:var(--glass);
  }
  .toc-list{max-height:0;overflow:hidden;transition:max-height .25s ease;}
  .toc.open .toc-list{max-height:420px;overflow:auto;}
  .toc-list a{padding:10px 18px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-divider{display:none;}
  .burger{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .card-grid-3{grid-template-columns:repeat(2,1fr);}
  .section,.section-alt{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar{display:none;}
  .container{padding:0 20px;}
  .site-header{height:64px;}
  .section,.section-alt{padding:48px 0;}
  .article-body{font-size:16px;line-height:1.9;}
  .card-grid-3{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager-item.right{text-align:left;align-items:flex-start;}
  .cta-band{grid-template-columns:1fr;padding:26px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .article-head{padding:20px 0 28px;}
  .crumb .current{max-width:200px;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .post-body{padding:16px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .faq-a p::before{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{padding:11px 20px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#05060D;
  --bg:#0A0D1E;
  --panel:rgba(255,255,255,.04);
  --panel-2:rgba(255,255,255,.06);
  --line:rgba(140,160,255,.14);
  --line-strong:rgba(140,160,255,.28);
  --cyan:#45E0CF;
  --purple:#8B6CF6;
  --gold:#F2C879;
  --danger:#FF6B7A;
  --success:#4FD08A;
  --text:#EDF1FF;
  --text-2:#A9B3D4;
  --text-3:#6B769B;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:20px;
  --radius-xl:24px;
  --pill:999px;
  --shadow-card:0 18px 40px rgba(3,6,20,.55);
  --shadow-float:0 24px 60px rgba(3,6,20,.7);
  --glow:0 0 24px rgba(69,224,207,.35);
  --grad:linear-gradient(100deg,#45E0CF,#8B6CF6);
  --container:1200px;
  --sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(circle at 12% 14%, rgba(69,224,207,.07), transparent 42%),
    radial-gradient(circle at 86% 76%, rgba(139,108,246,.07), transparent 46%),
    var(--bg);
}
.stardust{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.08;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px);
  background-size:110px 110px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 顶部细条 ---------- */
.topbar{
  height:36px;display:flex;align-items:center;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  font-size:12.5px;color:var(--text-3);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.topbar a{color:var(--text-2);transition:color .18s}
.topbar a:hover{color:var(--cyan)}
.topbar .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(69,224,207,.8);margin-right:8px;vertical-align:middle}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;
  background:rgba(10,13,30,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:height .22s ease,background .22s ease;
}
.site-header.scrolled{height:60px;background:rgba(7,10,24,.92);box-shadow:0 12px 32px rgba(3,6,20,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:28px;height:28px;display:inline-flex}
.logo-mark svg{width:100%;height:100%}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--cyan);margin-left:2px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{
  position:relative;
  padding:10px 16px;
  font-size:15px;color:var(--text-2);
  border-radius:var(--pill);
  transition:color .18s,background .18s;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:var(--text)}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.main-nav .nav-link.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(69,224,207,.9);
}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-m);
  background:var(--panel);border:1px solid var(--line);color:var(--text);font-size:16px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;
  border-radius:var(--pill);border:1px solid transparent;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
  min-height:44px;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#06121A;box-shadow:0 10px 26px rgba(69,224,207,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(69,224,207,.34);filter:brightness(1.08)}
.btn-ghost{background:transparent;border-color:rgba(69,224,207,.5);color:var(--cyan)}
.btn-ghost:hover{background:rgba(69,224,207,.08);transform:translateY(-1px)}
.btn-text{background:none;border:none;color:var(--text-2);padding:8px 4px;min-height:auto}
.btn-text:hover{color:var(--cyan)}
.btn-text i{transition:transform .18s}
.btn-text:hover i{transform:translateX(3px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,6,13,.62),rgba(5,6,13,.86)),
    radial-gradient(circle at 50% 30%, rgba(139,108,246,.22), transparent 60%);
}
.page-hero .hero-arc{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
}
.page-hero .arc-svg{width:100%;height:100%}
.hero-inner{
  position:relative;z-index:2;width:100%;
  padding:64px 0;text-align:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);letter-spacing:.04em;
}
.hero-eyebrow i{color:var(--gold);font-size:11px}
.page-hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4vw,46px);
  color:#fff;
}
.hero-line{
  width:132px;height:2px;margin:20px auto 0;
  background:var(--grad);border-radius:2px;
  box-shadow:0 0 18px rgba(69,224,207,.5);
}
.page-hero .hero-sub{
  max-width:720px;margin:18px auto 0;
  color:var(--text-2);font-size:16px;
}
.hero-stats{
  display:flex;justify-content:center;flex-wrap:wrap;gap:40px;margin-top:28px;
}
.hero-stat .num{font-family:var(--mono);font-size:24px;color:var(--gold);font-variant-numeric:tabular-nums}
.hero-stat .lab{font-size:12.5px;color:var(--text-3);letter-spacing:.04em}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;font-size:13.5px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{margin:0 8px;color:var(--text-3)}

/* ---------- 主区布局 ---------- */
.section{padding:72px 0}
.section-head{margin-bottom:28px}
.section-head .kicker{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;
  color:var(--cyan);text-transform:uppercase;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-top:10px}
.section-head p{color:var(--text-2);margin-top:12px;max-width:780px;font-size:15.5px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

.entry-layout{display:grid;grid-template-columns:270px 1fr;gap:24px;align-items:start}

.filter-rail{
  position:sticky;top:92px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:20px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
}
.filter-rail::before{
  content:"";display:block;height:1px;margin:-20px -20px 18px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),transparent);
}
.filter-rail h3{font-size:15px;color:var(--text);margin-bottom:6px}
.filter-rail .rail-note{font-size:12.5px;color:var(--text-3);margin-bottom:16px}
.filter-list{display:flex;flex-direction:column;gap:8px}
.filter-chip{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  color:var(--text-2);font-size:14.5px;text-align:left;
  transition:all .18s;
}
.filter-chip span.count{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.filter-chip:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.filter-chip.active{
  color:var(--text);
  border-color:rgba(69,224,207,.55);
  background:rgba(69,224,207,.09);
  box-shadow:var(--glow);
}
.filter-chip.active span.count{color:var(--cyan)}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.collection-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.collection-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,0));
}
.collection-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.5);box-shadow:var(--shadow-float)}
.collection-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.collection-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.collection-card:hover .thumb img{transform:scale(1.04)}
.collection-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,6,13,.05),rgba(5,6,13,.72));
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--pill);
  font-size:12.5px;letter-spacing:.02em;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text-2);
  backdrop-filter:blur(8px);
}
.badge-cyan{border-color:rgba(69,224,207,.45);color:var(--cyan)}
.badge-gold{border-color:rgba(242,200,121,.5);color:var(--gold)}
.card-corner{position:absolute;top:14px;left:14px;z-index:2}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.7}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.card-meta .meta-group{display:flex;align-items:center;gap:14px}
.card-meta i{color:var(--cyan);margin-right:5px}
.card-more{color:var(--cyan);font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
.card-more i{transition:transform .18s}
.collection-card:hover .card-more i{transform:translateX(3px)}

.empty-note{color:var(--text-3);font-size:14px;padding:24px 0}

/* ---------- 相关合集 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;gap:16px;align-items:center;
  padding:18px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-l);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(69,224,207,.5);box-shadow:var(--shadow-card)}
.related-card img{width:76px;height:76px;border-radius:var(--radius-m);object-fit:cover;flex-shrink:0}
.related-card h3{font-size:16px;margin-bottom:6px}
.related-card p{font-size:13px;color:var(--text-3)}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(69,224,207,.10),rgba(139,108,246,.12));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-xl);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-banner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:radial-gradient(circle,rgba(69,224,207,.18),transparent 70%);
}
.cta-banner h2{font-size:clamp(22px,2.4vw,28px)}
.cta-banner p{color:var(--text-2);margin-top:10px;max-width:620px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;
  transition:border-color .18s,background .18s;
}
.faq-item.open{border-color:rgba(69,224,207,.42);background:rgba(69,224,207,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:18px 22px;background:none;border:none;color:var(--text);
  font-size:16px;text-align:left;
}
.faq-q .idx{font-family:var(--mono);font-size:13px;color:rgba(69,224,207,.55);flex-shrink:0}
.faq-item.open .faq-q .idx{color:var(--cyan)}
.faq-q .q-text{flex:1}
.faq-q .plus{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .22s,color .18s,border-color .18s;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--cyan);border-color:rgba(69,224,207,.6)}
.faq-item{position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:var(--grad);opacity:0;transition:opacity .2s;
}
.faq-item.open::before{opacity:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 22px 20px 54px;color:var(--text-2);font-size:15px}
.faq-item.open .faq-a{max-height:260px}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  margin-top:40px;
  background:#070A18;
  padding-top:1px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(69,224,207,.7),rgba(139,108,246,.7),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand p{color:var(--text-3);font-size:13.5px;margin-top:16px;max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social span{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-3);transition:color .18s}
.footer-col a:hover{color:var(--cyan)}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1;min-width:0;padding:10px 14px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:13.5px;font-family:inherit;
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(69,224,207,.14)}
.footer-sub button{
  padding:10px 18px;border-radius:var(--radius-m);border:none;
  background:var(--grad);color:#06121A;font-size:13.5px;font-weight:600;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .entry-layout{grid-template-columns:1fr}
  .filter-rail{position:static}
  .filter-list{flex-direction:row;flex-wrap:wrap}
  .filter-chip{flex:0 0 auto}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:24px;
    background:rgba(7,10,24,.96);
    backdrop-filter:blur(18px);
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:59;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav .nav-link{
    padding:20px 8px;font-size:19px;border-radius:0;
    border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after{left:8px;right:8px;bottom:10px}
  .main-nav .nav-link.active::before{display:none}
  .menu-toggle{display:flex;align-items:center;justify-content:center}
  .related-grid{grid-template-columns:1fr 1fr}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .topbar{display:none}
  .container{padding:0 20px}
  .page-hero{min-height:300px}
  .hero-inner{padding:48px 0}
  .hero-stats{gap:28px}
  .card-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .footer-brand{grid-column:1 / -1}
  .faq-a p{padding-left:22px}
  .section{padding:48px 0}
}
@media (max-width:480px){
  body{font-size:16px}
  .logo-text{font-size:15.5px}
  .card-body{padding:16px}
  .hero-stat .num{font-size:20px}
  .filter-chip{width:100%}
  .page-hero .hero-arc{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}