/* roulang page: index */
:root{
  --bg-primary:#060B16;
  --bg-secondary:#0B1220;
  --bg-card:rgba(17,25,45,0.62);
  --border-light:rgba(255,255,255,0.08);
  --border-active:rgba(14,157,255,0.55);
  --text-primary:#F1F5F9;
  --text-secondary:#94A3B8;
  --brand-blue:#0E9DFF;
  --brand-purple:#8B5CF6;
  --brand-cyan:#22D3EE;
  --brand-amber:#F59E0B;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-black:0 16px 40px rgba(0,0,0,0.35);
  --border-card:1px solid rgba(255,255,255,0.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans","Noto Sans CJK SC","Inter","Segoe UI",sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.8;overflow-x:hidden;padding-top:64px}
@media(min-width:768px){body{padding-top:118px}}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
input,button{font-family:inherit}
button{cursor:pointer;border:none;background:none;color:inherit}
.bg-grid{background-image:radial-gradient(rgba(255,255,255,0.045) 1px,transparent 1px);background-size:26px 26px}
.bg-blob{position:absolute;border-radius:999px;filter:blur(90px);opacity:.18;pointer-events:none}
.c-container{width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px}
.block-gap{padding-top:92px;padding-bottom:92px}
@media(max-width:768px){.block-gap{padding-top:60px;padding-bottom:60px}}
.glass-card{background:var(--bg-card);border:var(--border-card);border-radius:var(--radius-md);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,0.18);position:relative;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.glass-card::before{content:"";position:absolute;top:0;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.22),transparent)}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(14,157,255,0.3);box-shadow:0 18px 44px rgba(0,0,0,0.38),0 0 24px rgba(14,157,255,0.08)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;line-height:1.4;border:1px solid rgba(14,157,255,0.24);background:rgba(14,157,255,0.12);color:#8fd4ff;white-space:nowrap}
.badge-violet{border-color:rgba(139,92,246,0.28);background:rgba(139,92,246,0.12);color:#c4b5fd}
.badge-cyan{border-color:rgba(34,211,238,0.24);background:rgba(34,211,238,0.1);color:#8be9f7}
.badge-amber{border-color:rgba(245,158,11,0.28);background:rgba(245,158,11,0.12);color:#fde68a}
.c-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:600;padding:14px 30px;transition:all .25s ease;font-size:15px;line-height:1.4;white-space:nowrap}
.btn-primary{color:#fff;background:linear-gradient(120deg,var(--brand-blue),var(--brand-cyan));box-shadow:0 0 18px rgba(14,157,255,0.28);border:1px solid rgba(255,255,255,0.16);position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,0.16) 48%,transparent 62%);opacity:0;transition:opacity .3s}
.btn-primary:hover{box-shadow:0 0 34px rgba(14,157,255,0.42);transform:translateY(-2px)}
.btn-primary:hover::after{opacity:1}
.btn-primary:active{transform:scale(.98);box-shadow:0 0 16px rgba(14,157,255,0.26)}
.btn-primary:focus-visible,.btn-ghost:focus-visible{outline:2px solid #fff;outline-offset:3px}
.btn-ghost{color:#dbeafe;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.14);box-shadow:inset 0 1px 0 rgba(255,255,255,0.06)}
.btn-ghost:hover{background:rgba(255,255,255,0.08);border-color:rgba(34,211,238,0.4);color:#fff;box-shadow:0 0 22px rgba(34,211,238,0.15)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-blue);transition:gap .25s,color .2s}
.text-link:hover{gap:10px;color:var(--brand-cyan)}
.text-link:active{opacity:.75}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-head .eyebrow{font-size:13px;letter-spacing:2px;color:var(--brand-cyan);font-weight:600;margin-bottom:8px}
.section-head h2{font-size:clamp(28px,4vw,38px);font-weight:800;line-height:1.3}
.section-head p{max-width:520px;color:var(--text-secondary);font-size:15px;margin-top:10px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:60}
.header-top{background:rgba(6,11,22,0.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,0.06);height:64px;display:flex;align-items:center}
.header-top-inner{display:flex;align-items:center;gap:20px;width:100%}
.brand-logo{display:flex;align-items:center;gap:6px;font-size:24px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.brand-logo span{background:linear-gradient(120deg,#22D3EE,#0E9DFF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-search{position:relative;display:none}
@media(min-width:640px){.header-search{display:block}}
.header-search input{width:220px;height:38px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:999px;padding:0 38px 0 16px;font-size:14px;color:#e2e8f0;transition:border-color .25s,background .25s,box-shadow .25s}
.header-search input::placeholder{color:#64748b}
.header-search input:focus{outline:none;border-color:var(--brand-blue);background:rgba(14,157,255,0.06);box-shadow:0 0 0 3px rgba(14,157,255,0.14)}
.header-search .search-btn{position:absolute;right:2px;top:2px;bottom:2px;width:36px;border-radius:999px;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:15px;transition:color .2s}
.header-search .search-btn:hover{color:#fff}
.btn-enter{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(120deg,#0E9DFF,#22D3EE);color:#fff;font-size:14px;font-weight:600;border-radius:999px;padding:8px 20px;border:1px solid rgba(255,255,255,0.15);box-shadow:0 0 14px rgba(14,157,255,0.28);transition:box-shadow .25s,transform .2s;white-space:nowrap}
.btn-enter:hover{box-shadow:0 0 26px rgba(14,157,255,0.45);transform:translateY(-1px)}
.btn-enter:active{transform:scale(.97)}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,0.12);background:rgba(255,255,255,0.05);color:#e2e8f0;font-size:18px;transition:background .25s;z-index:20}
.menu-toggle:hover{background:rgba(14,157,255,0.15);border-color:rgba(14,157,255,0.4)}
@media(min-width:768px){.menu-toggle{display:none}}
.channel-nav{background:rgba(9,15,28,0.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,0.06);display:none}
.channel-nav.open{display:block}
@media(min-width:768px){.channel-nav{display:block}}
.channel-scroll{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:8px 0;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-item{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:999px;color:#a7b3c4;font-size:14.5px;font-weight:500;white-space:nowrap;transition:background .25s,color .25s,box-shadow .25s}
.channel-item:hover{color:#fff;background:rgba(255,255,255,0.07)}
.channel-item.active{color:#fff;font-weight:700;background:linear-gradient(120deg,rgba(14,157,255,0.22),rgba(34,211,238,0.14));box-shadow:inset 0 0 0 1px rgba(14,157,255,0.38),0 0 18px rgba(14,157,255,0.14)}
.channel-item.active::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:24px;height:2px;border-radius:999px;background:linear-gradient(90deg,#22D3EE,#0E9DFF);box-shadow:0 0 12px var(--brand-cyan)}
.channel-item:active{opacity:.8}
@media(min-width:768px){.channel-scroll{padding:6px 0}}
.hero-section{position:relative;background:linear-gradient(180deg,rgba(6,11,22,0.62),rgba(6,11,22,1) 78%)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:center;padding-top:48px;padding-bottom:64px}
@media(min-width:960px){.hero-grid{grid-template-columns:1.08fr .92fr;padding-top:84px;padding-bottom:108px}}
.hero-title{font-size:clamp(40px,5vw,62px);line-height:1.22;font-weight:800;letter-spacing:-.5px;color:#fff}
.hero-title .grad{background:linear-gradient(115deg,#60a5fa,#22D3EE,#8B5CF6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{color:#c3cede;margin-top:20px;max-width:540px;font-size:16px;line-height:1.85}
.hero-labels{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-labels span{font-size:13px;color:#a7b3c4;display:inline-flex;align-items:center;gap:6px}
.hero-labels i{width:5px;height:5px;border-radius:999px;background:var(--brand-cyan);box-shadow:0 0 8px var(--brand-cyan)}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual .hero-img-wrap{border-radius:24px;border:1px solid rgba(255,255,255,0.1);overflow:hidden;box-shadow:0 28px 80px rgba(0,0,0,0.42);position:relative}
.hero-visual .hero-img-wrap::before{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(14,157,255,0.2),transparent 45%),radial-gradient(circle at 80% 20%,rgba(139,92,246,0.2),transparent 60%);mix-blend-mode:screen;z-index:2}
.hero-visual img{width:100%;height:100%;object-fit:cover;min-height:340px}
.floating-card{position:absolute;right:8px;bottom:24px;background:rgba(13,21,38,0.86);backdrop-filter:blur(14px);border-radius:16px;padding:14px 20px;box-shadow:0 12px 32px rgba(0,0,0,0.35),0 0 0 1px rgba(255,255,255,0.08);z-index:3;display:flex;align-items:center;gap:12px;animation:float 3.6s ease-in-out infinite}
.floating-card .pulse-dot{width:9px;height:9px;border-radius:999px;background:#34d399;box-shadow:0 0 0 0 rgba(52,211,153,0.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}70%{box-shadow:0 0 0 12px rgba(52,211,153,0)}100%{box-shadow:0 0 0 rgba(52,211,153,0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.floating-card .fc-label{font-size:12px;color:#94a3b8}
.floating-card .fc-value{font-size:17px;font-weight:700;color:#fff;line-height:1.2}
.manifesto-grid{display:grid;grid-template-columns:1fr;gap:56px;align-items:center}
@media(min-width:960px){.manifesto-grid{grid-template-columns:1fr 1fr}}
.manifesto-visual{position:relative;padding:0 8px 46px 22px}
.manifesto-img{border-radius:20px;border:1px solid rgba(255,255,255,0.1);box-shadow:0 24px 60px rgba(0,0,0,0.32);overflow:hidden}
.manifesto-img img{min-height:280px;object-fit:cover}
.manifesto-tag{position:absolute;left:-10px;bottom:18px;background:rgba(10,18,34,0.92);border:1px solid rgba(14,157,255,0.3);border-radius:14px;padding:12px 20px;box-shadow:0 8px 28px rgba(0,0,0,0.35);font-size:14px;color:#dbeafe;line-height:1.5}
.manifesto-tag strong{color:#fff;font-weight:700}
.content-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:620px){.content-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.content-grid{grid-template-columns:repeat(4,1fr)}}
.card-cover{border-radius:14px 14px 0 0;position:relative;overflow:hidden;aspect-ratio:3/2;background:#0f1b33}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card-cover .hot-tag{position:absolute;top:10px;left:10px;background:rgba(245,158,11,0.92);color:#111;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;z-index:2;box-shadow:0 4px 12px rgba(0,0,0,0.2)}
.top-card:hover .card-cover img{transform:scale(1.04)}
.top-card .info{padding:18px 18px 22px}
.top-card .info h3{font-size:17.5px;font-weight:700;line-height:1.55;color:#eaf0fb;margin:10px 0 8px;transition:color .2s}
.top-card .info h3:hover{color:var(--brand-cyan)}
.top-card .info p{font-size:14px;color:#94a3b8;line-height:1.75}
.cate-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.cate-grid{grid-template-columns:repeat(3,1fr)}}
.cate-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.cate-card .info{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.cate-card h3{font-size:22px;font-weight:700;margin:14px 0 8px}
.cate-card p{color:#9fb0c6;font-size:14px;flex:1}
.cate-card .link-spacer{margin-top:20px}
.cate-card .cate-visual{aspect-ratio:16/9;overflow:hidden;position:relative}
.cate-card .cate-visual img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cate-card:hover .cate-visual img{transform:scale(1.05)}
.news-panel{background:linear-gradient(180deg,rgba(13,20,36,0.6),rgba(6,11,22,0.8));border-radius:24px;border:1px solid rgba(255,255,255,0.06);overflow:hidden}
.news-feature-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 24px 0;flex-wrap:wrap;margin-bottom:6px}
.news-list{display:flex;flex-direction:column;padding:10px 24px 24px;gap:0}
.news-item{display:flex;gap:18px;padding:18px 8px;border-bottom:1px solid rgba(255,255,255,0.055);transition:background .3s;border-radius:10px}
.news-item:hover{background:rgba(255,255,255,0.028)}
.news-item:last-child{border-bottom-color:transparent}
.news-index{width:92px;min-width:92px;border-radius:14px;background:linear-gradient(145deg,rgba(14,157,255,0.32),rgba(8,18,38,0.3));border:1px solid rgba(14,157,255,0.16);display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:800;color:rgba(185,225,255,0.75);flex-direction:column;padding-top:9px;text-shadow:0 0 18px rgba(14,157,255,.35);position:relative;overflow:hidden;transition:border-color .3s,color .3s}
.news-item:hover .news-index{color:#fff;border-color:rgba(14,157,255,0.5)}
.news-index small{font-size:11px;font-weight:400;color:#6f84a5;letter-spacing:1px}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.news-meta time{font-size:13px;color:#64748b}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;color:#e9f1fb}
.news-body h3 a:hover{color:var(--brand-cyan)}
.news-excerpt{color:#9fb0c6;font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:5px}
.news-foot{margin-top:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.news-empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:56px 20px;text-align:center;color:#94a3b8}
.news-empty svg{opacity:.44}
@media(max-width:540px){
  .news-item{flex-direction:column}
  .news-index{width:100%;min-width:0;height:68px;border-radius:12px;font-size:25px;padding:6px}
  .news-body h3{font-size:16px}
}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(min-width:960px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{text-align:center;padding:30px 14px;transition:transform .3s,border-color .3s}
.stat-item:hover{transform:translateY(-4px);border-color:rgba(34,211,238,0.22)}
.stat-item .num{font-size:clamp(30px,4vw,40px);font-weight:800;letter-spacing:1px;line-height:1.15;background:linear-gradient(120deg,#fff,#c7e9ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-item .num em{font-style:normal;font-size:21px;margin-left:3px;color:var(--brand-cyan)}
.stat-item .unit{font-size:15px;font-weight:500;color:#9ba9bc;margin-top:6px}
.stat-item .sub{font-size:13px;color:#4c607a;margin-top:3px}
.trust-row{display:flex;flex-wrap:wrap;justify-content:center;gap:16px 28px;margin-top:34px;color:#5a7188;font-size:14px;font-weight:500}
.faq-grid{display:grid;grid-template-columns:1fr;gap:20px}
.faq-item{padding:24px 26px;border-radius:16px;cursor:pointer}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:14px;cursor:pointer;list-style:none;font-weight:700;font-size:16.5px;color:#e1eefd}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--brand-cyan);transition:transform .3s;flex-shrink:0;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{color:#9fb0c6;font-size:14.5px;margin-top:14px;line-height:1.8;padding-right:26px}
.cta-panel{position:relative;border-radius:26px;background:rgba(14,25,45,0.75);border:1px solid rgba(255,255,255,0.1);overflow:hidden;padding:54px 36px;display:grid;gap:34px;align-items:center}
.cta-panel::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 10%,rgba(14,157,255,.25),transparent 46%),radial-gradient(circle at 80% 90%,rgba(139,92,246,.16),transparent 50%);z-index:0}
.cta-glow-line{position:absolute;top:0;left:14%;right:14%;height:1px;background:linear-gradient(90deg,transparent,#22D3EE,transparent);box-shadow:0 0 22px rgba(34,211,238,.7);z-index:2}
.cta-panel>*{position:relative;z-index:2}
.cta-panel .cta-title{font-size:clamp(25px,4vw,36px);font-weight:800;line-height:1.35}
.cta-panel .cta-desc{color:#a7b3c4;margin-top:12px;max-width:560px}
.cta-subscribe{display:flex;gap:12px;flex-wrap:wrap}
.cta-subscribe input{height:50px;flex:1;min-width:210px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.13);border-radius:12px;padding:0 18px;color:#e2e8f0;font-size:15px;transition:all .25s}
.cta-subscribe input::placeholder{color:#52637a}
.cta-subscribe input:focus{outline:none;border-color:var(--brand-blue);background:rgba(14,157,255,0.08);box-shadow:0 0 0 4px rgba(14,157,255,0.12)}
.cta-subscribe .btn-primary{height:50px}
@media(min-width:900px){.cta-panel{grid-template-columns:1.2fr .8fr;padding:60px 52px}}
.site-footer{background:#08101e;border-top:1px solid rgba(255,255,255,0.06);position:relative}
.site-footer .footer-glow{position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,0.45),rgba(14,157,255,0.55),transparent);box-shadow:0 0 30px rgba(34,211,238,.16)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:44px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.3fr 1fr 1.2fr;gap:48px}}
.footer-about .footer-logo{font-size:20px}
.footer-brand-desc{color:#8192a6;font-size:14px;max-width:330px;margin-top:12px;line-height:1.8}
.footer-col-title{font-size:15px;font-weight:700;color:#e2e8f0;margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#8192a6;font-size:14px;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--brand-cyan);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding:18px 0;font-size:13px;color:#5c7087;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
.footer-lang{font-size:12px;color:#4b627b}
@media(max-width:640px){
  .header-top-inner{gap:10px}
}

/* roulang page: category1 */
:root {
      --primary: #0E9DFF;
      --secondary: #8B5CF6;
      --accent: #22D3EE;
      --amber: #F59E0B;
      --bg-deep: #060B16;
      --bg-main: #0B1220;
      --bg-soft: #111B2E;
      --panel: rgba(17, 27, 45, 0.72);
      --line: rgba(255, 255, 255, 0.09);
      --line-strong: rgba(255, 255, 255, 0.16);
      --text-hi: #F0F7FF;
      --text-body: #C7D2E0;
      --text-dim: #8D9BB3;
      --grad-brand: linear-gradient(135deg, #0E9DFF 0%, #22D3EE 100%);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-btn: 12px;
      --shadow-cyan: 0 0 22px rgba(14, 157, 255, 0.38);
      --space-section: clamp(64px, 9vw, 112px);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg-deep);
    }

    body {
      background: var(--bg-deep);
      color: var(--text-body);
      font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans CJK SC", "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.8;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      border: none;
      outline: none;
      background: transparent;
      font-family: inherit;
    }

    .c-container {
      max-width: 1280px;
      margin-inline: auto;
      padding-inline: 22px;
    }

    .deep-grid {
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
      background-size: 44px 44px;
    }

    .site-header {
      position: relative;
      z-index: 90;
    }

    .site-header-inner {
      position: sticky;
      top: 0;
      z-index: 80;
    }

    .header-top {
      background: rgba(6, 11, 22, 0.86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .header-top-box {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 0;
      font-size: 23px;
      font-weight: 800;
      letter-spacing: 0.02em;
      color: #fff;
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-logo i {
      display: inline-block;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--grad-brand);
      box-shadow: 0 0 14px var(--primary);
      margin-right: 10px;
    }

    .brand-logo b {
      color: var(--primary);
      background: linear-gradient(110deg, #4fc3ff, #22d3ee);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      font-weight: 900;
    }

    .header-top-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .header-search {
      display: none;
      align-items: center;
      gap: 8px;
      color: var(--text-dim);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.04);
      border-radius: 999px;
      height: 38px;
      padding: 0 14px;
      width: 210px;
      transition: border 0.25s, box-shadow 0.25s;
      cursor: text;
    }

    .header-search:hover {
      border-color: rgba(14, 157, 255, 0.5);
    }

    .header-search input {
      width: 100%;
      background: transparent;
      color: #fff;
      font-size: 13px;
    }

    .header-search input::placeholder {
      color: var(--text-dim);
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(120deg, #0e9dff, #22d3ee);
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      line-height: 1;
      border-radius: var(--radius-btn);
      height: 40px;
      padding: 0 20px;
      box-shadow: 0 0 18px rgba(14, 157, 255, 0.3);
      transition: transform 0.2s, box-shadow 0.25s, opacity 0.2s;
      border: 1px solid rgba(255, 255, 255, 0.18);
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary:hover {
      box-shadow: 0 0 34px rgba(34, 211, 238, 0.55);
    }

    .btn-primary:focus-visible {
      outline: 2px solid #fff;
      outline-offset: 3px;
    }

    .btn-primary:active {
      transform: scale(0.97) translateY(1px);
      box-shadow: 0 0 10px rgba(14, 157, 255, 0.2);
    }

    .menu-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.05);
      color: #fff;
      cursor: pointer;
      transition: background 0.2s;
    }

    .menu-toggle:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .channel-nav {
      background: rgba(8, 13, 24, 0.9);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .channel-scroll {
      display: flex;
      align-items: stretch;
      overflow-x: auto;
      gap: 6px;
      min-height: 46px;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    .channel-scroll::-webkit-scrollbar {
      display: none;
    }

    .channel-item {
      display: inline-flex;
      align-items: center;
      padding: 0 18px;
      font-size: 15px;
      font-weight: 500;
      color: #9db0c8;
      position: relative;
      white-space: nowrap;
      transition: color 0.25s;
    }

    .channel-item::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: -1px;
      height: 2px;
      border-radius: 99px;
      background: linear-gradient(90deg, #0e9dff, #22d3ee);
      opacity: 0;
      transition: opacity 0.25s;
      box-shadow: 0 0 14px rgba(34, 211, 238, 0.7);
    }

    .channel-item:hover {
      color: #ffffff;
    }

    .channel-item:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: -2px;
      border-radius: 10px;
    }

    .channel-item.active {
      color: #fff;
      font-weight: 700;
    }

    .channel-item.active::after {
      opacity: 1;
    }

    @media (min-width: 1024px) {
      .header-search {
        display: flex;
        margin-left: auto;
      }

      .menu-toggle {
        display: none;
      }
    }

    @media (max-width: 767.98px) {
      .header-top-box {
        height: 60px;
      }

      .brand-logo {
        font-size: 20px;
      }

      .btn-primary {
        height: 36px;
        padding: 0 14px;
        font-size: 13px;
      }

      .channel-nav {
        display: none;
      }

      .channel-nav.nav-open {
        display: block;
      }

      .channel-item {
        min-height: 46px;
      }
    }

    /* SECTION BASE */
    .site-main {
      background: linear-gradient(180deg, #060b16 0%, #0b1220 100%);
    }

    .section {
      position: relative;
      padding-top: var(--space-section);
      padding-bottom: var(--space-section);
    }

    .section-head {
      max-width: 800px;
      margin-bottom: clamp(30px, 5vw, 54px);
    }

    .section-head.center {
      margin-inline: auto;
      text-align: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--primary);
      background: rgba(14, 157, 255, 0.08);
      border: 1px solid rgba(14, 157, 255, 0.2);
      padding: 5px 12px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 10px var(--accent);
    }

    .section-title {
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 800;
      line-height: 1.22;
      color: #f2f8ff;
      letter-spacing: -0.02em;
    }

    .section-title span {
      background: linear-gradient(120deg, #0e9dff, #22d3ee);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-desc {
      margin-top: 16px;
      color: var(--text-dim);
      font-size: 15px;
      line-height: 1.9;
    }

    /* HERO */
    .hero-section {
      position: relative;
      padding-top: clamp(60px, 7vw, 96px);
      padding-bottom: clamp(60px, 8vw, 110px);
      overflow: hidden;
      background-image:
        linear-gradient(180deg, rgba(6, 11, 22, 0.78) 0%, rgba(6, 11, 22, 0.55) 35%, rgba(6, 11, 22, 0.9) 100%),
        url('/assets/images/backpic/back-2.png');
      background-size: cover;
      background-position: center;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      width: 480px;
      height: 480px;
      left: -160px;
      top: 20px;
      background: radial-gradient(circle, rgba(139, 92, 246, 0.22), transparent 60%);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr 0.92fr;
      gap: clamp(28px, 5vw, 70px);
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 14px;
      font-size: 13px;
      font-weight: 600;
      color: #b9e8ff;
      background: rgba(14, 157, 255, 0.11);
      border: 1px solid rgba(14, 157, 255, 0.24);
      border-radius: 999px;
      box-shadow: 0 0 24px rgba(14, 157, 255, 0.12);
    }

    .hero-badge i {
      width: 7px;
      height: 7px;
      background: #22d3ee;
      border-radius: 50%;
      box-shadow: 0 0 12px #22d3ee;
    }

    .hero-title {
      margin-top: 20px;
      color: #f6fbff;
      font-weight: 900;
      font-size: clamp(36px, 5.2vw, 64px);
      line-height: 1.16;
      letter-spacing: -0.03em;
    }

    .hero-title .gradient-text {
      background: linear-gradient(120deg, #4cc4ff 0%, #22d3ee 50%, #8b5cf6 100%);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-copy {
      margin-top: 18px;
      font-size: 16px;
      line-height: 1.9;
      color: #c7d2e0;
      max-width: 560px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .btn-primary {
      min-height: 46px;
      padding: 0 24px;
      font-size: 15px;
      border-radius: 14px;
    }

    .btn-primary.light {
      background: linear-gradient(120deg, #0e9dff, #22d3ee);
      color: #fff;
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      min-height: 46px;
      padding: 0 24px;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 14px;
      color: #dce7f5;
      font-weight: 600;
      font-size: 15px;
      background: rgba(255, 255, 255, 0.04);
      transition: background 0.25s, border 0.25s, transform 0.2s;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(34, 211, 238, 0.5);
      box-shadow: 0 0 20px rgba(34, 211, 238, 0.08);
    }

    .btn-secondary:focus-visible {
      outline: 2px solid #fff;
      outline-offset: 3px;
    }

    .hero-trustline {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 26px;
      margin-top: 36px;
      color: #aabacf;
      font-size: 13px;
      font-weight: 500;
      list-style: none;
    }

    .hero-trustline li {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .hero-trustline li::before {
      content: "●";
      color: #22d3ee;
      font-size: 10px;
      text-shadow: 0 0 8px #22d3ee;
    }

    .hero-visual {
      position: relative;
    }

    .hero-visual-card {
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(17, 27, 45, 0.6);
      box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
    }

    .hero-visual-card::after {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    }

    .hero-visual-card img {
      width: 100%;
      object-fit: cover;
      min-height: 260px;
      max-height: 420px;
      opacity: 0.94;
    }

    .hero-overlay-float {
      display: flex;
      align-items: center;
      gap: 12px;
      position: absolute;
      width: 76%;
      bottom: 28px;
      left: 18px;
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(8, 16, 30, 0.72);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(14px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    }

    .float-pulse-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(14, 157, 255, 0.8), rgba(34, 211, 238, 0.8));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 0 20px rgba(34, 211, 238, 0.35);
    }

    .float-copy strong {
      display: block;
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
    }

    .float-copy span {
      color: #a2b7cd;
      font-size: 12px;
    }

    .hero-side-pill {
      position: absolute;
      top: 26px;
      right: -6px;
      background: rgba(139, 92, 246, 0.18);
      border: 1px solid rgba(139, 92, 246, 0.35);
      padding: 8px 15px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      color: #d9c9ff;
      backdrop-filter: blur(10px);
      display: flex;
      align-items: center;
      gap: 7px;
      box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
    }

    .hero-side-pill::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--amber);
      border-radius: 50%;
      box-shadow: 0 0 14px var(--amber);
    }

    @media (max-width: 920px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }

      .hero-visual {
        max-width: 520px;
      }
    }

    /* TOPIC MATRIX */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }

    .topic-card {
      position: relative;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: rgba(17, 27, 45, 0.68);
      min-height: 230px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      isolation: isolate;
      transition: transform 0.3s, border-color 0.3s, box-shadow 0.4s;
    }

    .topic-card::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background:
        linear-gradient(180deg, rgba(6, 11, 22, 0.08), rgba(6, 11, 22, 0.92)),
        url('/assets/images/coverpic/cover-1.png') center / cover no-repeat;
      transition: transform 0.5s ease;
    }

    .topic-card.k2::before {
      background-image:
        linear-gradient(180deg, rgba(6, 11, 22, 0.08), rgba(6, 11, 22, 0.92)),
        url('/assets/images/coverpic/cover-8.png');
      background-size: cover;
      background-position: center;
    }

    .topic-card.k3::before {
      background-image:
        linear-gradient(180deg, rgba(6, 11, 22, 0.08), rgba(6, 11, 22, 0.92)),
        url('/assets/images/coverpic/cover-6.webp');
      background-size: cover;
      background-position: center;
    }

    .topic-card.k4::before {
      background-image:
        linear-gradient(180deg, rgba(6, 11, 22, 0.08), rgba(6, 11, 22, 0.92)),
        url('/assets/images/coverpic/cover-10.webp');
      background-size: cover;
      background-position: center;
    }

    .topic-card.k5::before {
      background-image:
        linear-gradient(180deg, rgba(6, 11, 22, 0.08), rgba(6, 11, 22, 0.92)),
        url('/assets/images/coverpic/cover-5.png');
      background-size: cover;
      background-position: center;
    }

    .topic-card.k6::before {
      background-image:
        linear-gradient(180deg, rgba(6, 11, 22, 0.08), rgba(6, 11, 22, 0.92)),
        url('/assets/images/coverpic/cover-3.png');
      background-size: cover;
      background-position: center;
    }

    .topic-card:hover {
      border-color: rgba(14, 157, 255, 0.5);
      transform: translateY(-6px);
      box-shadow: 0 14px 40px rgba(0, 0, 0, 0.38), 0 0 20px rgba(14, 157, 255, 0.15);
    }

    .topic-card:hover::before {
      transform: scale(1.04);
    }

    .topic-card-body {
      padding: 22px;
      position: relative;
      z-index: 2;
    }

    .topic-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(14, 157, 255, 0.16);
      color: #95deff;
      border: 1px solid rgba(14, 157, 255, 0.25);
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      backdrop-filter: blur(8px);
    }

    .topic-tag.hot {
      color: #ffe6ae;
      border-color: rgba(245, 158, 11, 0.4);
      background: rgba(245, 158, 11, 0.12);
    }

    .topic-card h3 {
      margin-top: 12px;
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      line-height: 1.35;
    }

    .topic-card p {
      margin-top: 7px;
      color: #c3d2e2;
      font-size: 14px;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .topic-card-link {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 700;
      margin-top: 13px;
      transition: gap 0.2s, color 0.2s;
    }

    .topic-card-link:hover {
      color: #ffffff;
      gap: 10px;
    }

    /* FEATURED */
    .featured-grid {
      display: grid;
      grid-template-columns: 1.18fr 0.82fr;
      gap: 22px;
      align-items: stretch;
    }

    .feature-main {
      position: relative;
      min-height: 390px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid var(--line);
      display: flex;
      align-items: flex-end;
      padding: 30px;
      background: rgba(17, 27, 45, 0.5);
      transition: border-color 0.3s, box-shadow 0.4s;
    }

    .feature-main::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(6, 11, 22, 0.03) 10%, rgba(6, 11, 22, 0.85) 70%),
        url('/assets/images/coverpic/cover-4.png') center / cover no-repeat;
      transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.3, 1);
    }

    .feature-main:hover::before {
      transform: scale(1.03);
    }

    .feature-main-content {
      position: relative;
      z-index: 2;
      max-width: 600px;
    }

    .feature-sup {
      display: inline-flex;
      gap: 8px;
      align-items: center;
      font-size: 13px;
      color: #8fdcff;
    }

    .feature-main h3 {
      margin: 12px 0 10px;
      font-size: clamp(22px, 3vw, 36px);
      font-weight: 800;
      color: #ffffff;
      line-height: 1.3;
    }

    .feature-main p {
      color: #d3deec;
      font-size: 14px;
      opacity: 0.82;
      line-height: 1.8;
      max-width: 520px;
    }

    .feature-main .btn-read {
      margin-top: 22px;
    }

    .btn-text-arrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #22d3ee;
      font-weight: 700;
      font-size: 14px;
      transition: gap 0.25s, color 0.2s;
    }

    .btn-text-arrow:hover {
      gap: 14px;
      color: #fff;
    }

    .feature-side {
      display: grid;
      gap: 22px;
    }

    .feature-sub-card {
      display: flex;
      gap: 16px;
      align-items: center;
      background: rgba(17, 27, 45, 0.68);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 12px;
      transition: border 0.3s, background 0.3s, transform 0.2s;
    }

    .feature-sub-card:hover {
      border-color: rgba(14, 157, 255, 0.45);
      background: rgba(21, 33, 55, 0.88);
      transform: translateY(-2px);
    }

    .feature-sub-thumb {
      width: 112px;
      height: 92px;
      border-radius: 14px;
      object-fit: cover;
      background: #172238;
    }

    .feature-sub-body {
      flex: 1;
      min-width: 0;
    }

    .feature-sub-body strong {
      display: block;
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 6px;
    }

    .feature-sub-body p {
      color: #9eafc5;
      font-size: 13px;
      line-height: 1.7;
      display: -webkit-box;
      overflow: hidden;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }

    .meta-line {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #8496ae;
      font-size: 12px;
      margin-top: 10px;
    }

    .meta-line .time-dot {
      width: 4px;
      height: 4px;
      background: var(--primary);
      border-radius: 50%;
      display: inline-block;
    }

    @media (max-width: 1000px) {
      .featured-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ADVANTAGE */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .advantage-card {
      padding: 26px 22px;
      border-radius: 20px;
      background: rgba(17, 27, 45, 0.65);
      border: 1px solid var(--line);
      transition: border 0.3s, transform 0.3s, box-shadow 0.3s;
      position: relative;
      overflow: hidden;
    }

    .advantage-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(270deg, transparent, rgba(34, 211, 238, 0.8), transparent);
      opacity: 0.7;
    }

    .advantage-card:hover {
      transform: translateY(-4px);
      border-color: rgba(34, 211, 238, 0.35);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
    }

    .advantage-icon {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 21px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(14, 157, 255, 0.22), rgba(34, 211, 238, 0.16));
      color: #7fd6ff;
      border: 1px solid rgba(14, 157, 255, 0.18);
      margin-bottom: 16px;
    }

    .advantage-card h3 {
      color: #fff;
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .advantage-card p {
      color: #a1b2c8;
      font-size: 14px;
      line-height: 1.75;
    }

    /* TRUST */
    .trust-band {
      background: linear-gradient(180deg, rgba(17, 27, 45, 0.35), rgba(17, 27, 45, 0.65));
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .trust-stat .stat-num {
      font-size: clamp(28px, 4vw, 60px);
      font-weight: 800;
      color: #fff;
      line-height: 1;
      display: flex;
      justify-content: center;
      width: max-content;
      background: linear-gradient(120deg, #fff, #a6e3ff);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .trust-stat .stat-unit {
      font-size: 16px;
      font-weight: 800;
      color: #22d3ee;
      margin-left: 3px;
    }

    .stat-label {
      margin-top: 14px;
      color: #8fa4bb;
      font-size: 14px;
      letter-spacing: 0.06em;
    }

    @media (max-width: 700px) {
      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 40px;
      }
    }

    /* JOURNEY */
    .journey-steps {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 20px;
      counter-reset: step;
    }

    .journey-item {
      position: relative;
      padding: 28px 22px 24px;
      background: rgba(15, 24, 40, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 22px;
      counter-increment: step;
      overflow: hidden;
      transition: background 0.3s, transform 0.3s;
    }

    .journey-item:hover {
      transform: translateY(-4px);
      background: rgba(19, 31, 52, 0.9);
    }

    .journey-item::before {
      content: "0" counter(step);
      position: absolute;
      right: -8px;
      bottom: -16px;
      font-size: 72px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.05);
      line-height: 1;
      pointer-events: none;
    }

    .journey-ico {
      display: flex;
      width: 46px;
      height: 46px;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      border-radius: 15px;
      background: rgba(14, 157, 255, 0.12);
      color: #56c9ff;
      border: 1px solid rgba(14, 157, 255, 0.18);
      margin-bottom: 20px;
    }

    .journey-item h3 {
      color: #fff;
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .journey-item p {
      font-size: 14px;
      color: #9bafc6;
      line-height: 1.8;
    }

    /* FAQ */
    .faq-list {
      max-width: 920px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(17, 27, 45, 0.6);
      border-radius: 18px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.25s, background 0.25s;
    }

    .faq-item[open] {
      border-color: rgba(34, 211, 238, 0.42);
      background: rgba(19, 31, 52, 0.76);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      cursor: pointer;
      padding: 20px 24px;
      font-weight: 700;
      color: #f0f6ff;
      list-style: none;
      font-size: 16px;
      line-height: 1.6;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "＋";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 10px;
      color: #22d3ee;
      font-size: 16px;
      transition: transform 0.3s;
      border: 1px solid rgba(34, 211, 238, 0.3);
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
      background: rgba(34, 211, 238, 0.15);
    }

    .faq-answer {
      padding: 0 24px 22px;
      color: #b0c1d5;
      font-size: 15px;
      line-height: 1.9;
    }

    /* CTA PANEL */
    .cta-wrap {
      padding-top: 0;
      margin-top: calc(var(--space-section) - 10px);
      padding-bottom: var(--space-section);
    }

    .cta-panel {
      position: relative;
      border-radius: 28px;
      background:
        radial-gradient(circle at 15% 20%, rgba(139, 92, 246, 0.24), transparent 36%),
        radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.18), transparent 46%),
        linear-gradient(135deg, rgba(17, 27, 45, 0.88), rgba(9, 16, 30, 0.95));
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: clamp(28px, 5vw, 62px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 26px;
      overflow: hidden;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      top: 0;
      left: 6%;
      right: 6%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.7), transparent);
    }

    .cta-panel h2 {
      max-width: 600px;
      color: #fff;
      font-size: clamp(24px, 3.2vw, 42px);
      font-weight: 800;
      line-height: 1.3;
    }

    .cta-panel h2 span {
      background: linear-gradient(110deg, #0e9dff, #22d3ee);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .cta-panel .cta-desc {
      margin-top: 12px;
      color: #aebfd3;
      font-size: 15px;
      max-width: 560px;
    }

    .cta-form {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      min-width: 300px;
      flex: 1;
    }

    @media (max-width: 900px) {
      .cta-panel {
        flex-direction: column;
      }

      .cta-form {
        width: 100%;
      }
    }

    .cta-input {
      height: 48px;
      padding: 0 16px;
      border-radius: 14px;
      background: rgba(6, 11, 22, 0.65);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: #fff;
      flex: 1 1 200px;
      font-size: 14px;
      transition: border 0.25s, box-shadow 0.25s;
    }

    .cta-input::placeholder {
      color: #63758e;
    }

    .cta-input:focus {
      border-color: #22d3ee;
      box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
    }

    /* FOOTER */
    .site-footer {
      position: relative;
      background: #050a13;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .footer-glow {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(14, 157, 255, 0.55), rgba(139, 92, 246, 0.4), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      padding-top: 56px;
      padding-bottom: 48px;
    }

    .brand-logo.footer-logo {
      font-size: 22px;
    }

    .footer-brand-desc {
      margin-top: 16px;
      color: #7f90a8;
      font-size: 14px;
      line-height: 1.85;
      max-width: 420px;
    }

    .footer-col-title {
      font-size: 15px;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-links a {
      color: #8195ad;
      font-size: 14px;
      transition: color 0.22s, padding-left 0.22s;
    }

    .footer-links a:hover {
      color: #22d3ee;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding: 16px 0;
      color: #5e6e86;
      font-size: 13px;
    }

    @media (max-width: 900px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .footer-brand {
        grid-column: span 2;
      }
    }

    @media (max-width: 560px) {
      .topics-grid,
      .advantage-grid,
      .journey-steps,
      .featured-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-brand {
        grid-column: auto;
      }

      .feature-main {
        padding: 20px;
      }

      .feature-sub-card {
        align-items: flex-start;
      }
    }

/* roulang page: article */
:root {
            --primary: #0E9DFF;
            --neon: #22D3EE;
            --violet: #8B5CF6;
            --amber: #F59E0B;
            --bg: #060B16;
            --panel: #0B1220;
            --surface: rgba(17, 25, 45, 0.72);
            --line: rgba(255, 255, 255, 0.09);
            --text: #EAF2FF;
            --body: #D2DFF0;
            --muted: #92A2BA;
            --radius-lg: 24px;
            --radius-card: 16px;
            --radius-btn: 12px;
            --max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            background: var(--bg);
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            color: var(--text);
            background:
                radial-gradient(circle at 14% 8%, rgba(14, 157, 255, 0.13), transparent 32%),
                radial-gradient(circle at 80% 4%, rgba(139, 92, 246, 0.12), transparent 30%),
                var(--bg);
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            display: block;
            max-width: 100%;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .c-container {
            width: min(var(--max), calc(100% - 48px));
            margin: 0 auto;
        }

        .skip-link {
            position: fixed;
            left: 16px;
            top: -80px;
            z-index: 2000;
            background: rgba(14, 157, 255, 0.92);
            color: #fff;
            padding: 12px 20px;
            border-radius: 999px;
            transition: top .2s ease;
            font-weight: 700;
        }

        .skip-link:focus {
            top: 16px;
            outline: 2px solid #fff;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(6, 11, 22, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-top {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .header-top-row {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 23px;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .brand-logo span {
            background: linear-gradient(120deg, #0E9DFF, #22D3EE);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header-search {
            display: flex;
            align-items: center;
            width: min(380px, 42vw);
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            height: 40px;
            padding-left: 16px;
            transition: border .2s ease, box-shadow .2s ease;
        }

        .header-search:focus-within {
            border-color: rgba(14, 157, 255, 0.55);
            box-shadow: 0 0 0 2px rgba(14, 157, 255, 0.15), 0 0 24px rgba(14, 157, 255, 0.08);
        }

        .header-search input {
            width: 100%;
            height: 100%;
            background: transparent;
            border: 0;
            outline: none;
            color: var(--text);
            font-size: 14px;
            padding-right: 12px;
            min-width: 0;
        }

        .header-search input::placeholder {
            color: #70839E;
        }

        .header-search button {
            width: 44px;
            height: 100%;
            border: 0;
            background: transparent;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 0 999px 999px 0;
            transition: background .2s ease;
            color: #A9BFF0;
        }

        .header-search button:hover {
            color: #fff;
            background: rgba(14, 157, 255, 0.1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            flex-shrink: 0;
        }

        .channel-nav {
            background: rgba(4, 8, 16, 0.34);
        }

        .channel-scroll {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .channel-scroll::-webkit-scrollbar {
            display: none;
        }

        .channel-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 17px;
            border-radius: 999px;
            color: #B7C9E4;
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease;
        }

        .channel-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
        }

        .channel-item:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .channel-item.active {
            color: #fff;
            background: rgba(14, 157, 255, 0.13);
            box-shadow: inset 0 0 0 1px rgba(14, 157, 255, 0.35), 0 0 12px rgba(14, 157, 255, 0.22);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            border-radius: 999px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: transform .18s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(255, 255, 255, 0.8);
            outline-offset: 3px;
        }

        .btn:active {
            transform: translateY(1px) scale(0.99);
            opacity: 0.92;
        }

        .btn-primary {
            background: linear-gradient(115deg, #0E9DFF, #22D3EE);
            color: #fff;
            box-shadow: 0 0 18px rgba(14, 157, 255, 0.3), 0 8px 22px rgba(14, 157, 255, 0.18);
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(14, 157, 255, 0.5), 0 12px 30px rgba(14, 157, 255, 0.26);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: #D8E6FF;
            border-color: rgba(255, 255, 255, 0.15);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-md {
            height: 48px;
            padding: 0 24px;
            font-size: 15px;
        }

        .btn-lg {
            height: 54px;
            padding: 0 30px;
            font-size: 16px;
        }

        .article-main {
            position: relative;
            padding: 54px 0 100px;
        }

        .article-main:before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background:
                radial-gradient(circle at 72% 8%, rgba(34, 211, 238, 0.08), transparent 28%),
                radial-gradient(circle at 8% 48%, rgba(139, 92, 246, 0.05), transparent 30%);
        }

        .breadcrumb-wrap {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 14px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #A7C1E4;
            transition: color .2s ease;
        }

        .breadcrumb a:hover {
            color: #22D3EE;
        }

        .breadcrumb-sep {
            color: #3D4E63;
        }

        .breadcrumb .current {
            color: #DCE7FA;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #B9CDE9;
            font-size: 14px;
            font-weight: 600;
            transition: color .2s ease, transform .2s ease;
        }

        .back-link:hover {
            color: var(--neon);
            transform: translateX(-3px);
        }

        .article-shell {
            position: relative;
            z-index: 2;
        }

        .article-head {
            max-width: 840px;
            margin: 0 auto 34px;
            text-align: center;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .article-cate-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(14, 157, 255, 0.14);
            color: #8DDDFF;
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

        .article-title {
            margin: 0 0 20px;
            font-size: clamp(32px, 4.6vw, 54px);
            line-height: 1.22;
            font-weight: 900;
            letter-spacing: -0.01em;
            color: #F4F8FF;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px 20px;
            flex-wrap: wrap;
            color: #8499B7;
            font-size: 14px;
            font-weight: 500;
        }

        .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(139, 92, 246, 0.7);
            display: inline-block;
        }

        .article-body {
            max-width: 820px;
            margin: 0 auto;
            color: var(--body);
            font-size: 16.5px;
            line-height: 1.88;
        }

        .article-body p {
            margin: 0 0 26px;
        }

        .article-body h2 {
            font-size: 28px;
            color: #F4F9FF;
            font-weight: 800;
            margin: 48px 0 18px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 22px;
            color: #EAF3FF;
            font-weight: 800;
            margin: 38px 0 14px;
        }

        .article-body h4 {
            font-size: 18px;
            color: #DAE7FF;
            font-weight: 700;
            margin: 28px 0 10px;
        }

        .article-body a {
            color: #63CDFF;
            border-bottom: 1px solid rgba(34, 211, 238, 0.35);
            transition: color .2s ease, border-color .2s ease;
        }

        .article-body a:hover {
            color: var(--neon);
            border-color: var(--neon);
        }

        .article-body img {
            border-radius: 20px;
            margin: 28px auto;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: rgba(14, 157, 255, 0.07);
            padding: 18px 22px;
            border-radius: 0 16px 16px 0;
            margin: 28px 0;
            color: #C9DCFF;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 28px;
            padding-left: 24px;
        }

        .article-body li {
            margin: 6px 0;
        }

        .article-body code {
            background: #111927;
            color: #8BE0FF;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 2px 8px;
            font-size: 0.92em;
        }

        .article-body pre {
            background: #0C1423;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 20px;
            overflow-x: auto;
            margin: 28px 0;
        }

        .article-body pre code {
            background: transparent;
            border: 0;
            padding: 0;
            color: #C8DBED;
        }

        .article-empty {
            max-width: 680px;
            margin: 36px auto 0;
            text-align: center;
            padding: 80px 30px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
        }

        .article-empty h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 900;
            margin: 0 0 16px;
            color: #EFF6FF;
        }

        .article-empty p {
            color: #93A5BF;
            margin: 0 0 26px;
            font-size: 16px;
        }

        .article-navlinks {
            max-width: 820px;
            margin: 52px auto 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 30px;
        }

        .article-navlink {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #B5CDE9;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 700;
            transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
        }

        .article-navlink:hover {
            color: #fff;
            border-color: rgba(34, 211, 238, 0.45);
            background: rgba(14, 157, 255, 0.1);
            transform: translateY(-2px);
        }

        .related-section {
            position: relative;
            z-index: 2;
            margin-top: 96px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 26px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 32px);
            margin: 0;
            font-weight: 900;
            color: #F2F7FF;
            letter-spacing: -0.01em;
        }

        .section-head p {
            margin: 6px 0 0;
            color: #8298B6;
            font-size: 14px;
        }

        .section-head .more-link {
            color: #7FCBFF;
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s ease, transform .2s ease;
            flex-shrink: 0;
        }

        .section-head .more-link:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .reco-card {
            border-radius: var(--radius-card);
            background: rgba(11, 18, 32, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            overflow: hidden;
            transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
            box-shadow: 0 10px 30px rgba(10, 12, 30, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
        }

        .reco-card:hover {
            transform: translateY(-5px);
            border-color: rgba(34, 211, 238, 0.3);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28), 0 0 22px rgba(14, 157, 255, 0.1);
        }

        .reco-card .cover-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }

        .reco-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .reco-card:hover .cover-wrap img {
            transform: scale(1.03);
        }

        .cover-tag {
            position: absolute;
            left: 12px;
            top: 12px;
            background: rgba(5, 12, 22, 0.66);
            backdrop-filter: blur(8px);
            color: #BCE9FF;
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 5px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
        }

        .reco-content {
            padding: 16px 16px 18px;
        }

        .reco-content h3 {
            font-size: 17px;
            line-height: 1.45;
            margin: 0 0 10px;
            font-weight: 800;
            color: #E9F3FF;
        }

        .reco-content h3 a {
            transition: color .2s ease;
        }

        .reco-content h3 a:hover {
            color: #5FCBFF;
        }

        .reco-content p {
            margin: 0 0 14px;
            color: #8C9FBB;
            font-size: 14px;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .reco-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: #6B7E9C;
            font-size: 13px;
        }

        .reco-more {
            color: #6EC2FF;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .cta-gate {
            position: relative;
            z-index: 2;
            margin-top: 90px;
            border-radius: 26px;
            padding: clamp(34px, 5vw, 64px);
            background:
                radial-gradient(circle at 12% 20%, rgba(34, 211, 238, 0.2), transparent 38%),
                radial-gradient(circle at 93% 20%, rgba(139, 92, 246, 0.18), transparent 36%),
                linear-gradient(rgba(6, 11, 22, 0.72), rgba(6, 11, 22, 0.82)),
                url('/assets/images/backpic/back-3.webp') center / cover;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09);
            overflow: hidden;
        }

        .cta-gate:before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 44px 44px;
            opacity: .4;
        }

        .cta-gate-inner {
            position: relative;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .cta-gate h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 900;
            margin: 0;
            color: #F1F7FF;
            letter-spacing: -0.01em;
        }

        .cta-gate p {
            margin: 10px 0 0;
            color: #93ACCC;
            max-width: 560px;
        }

        .cta-gate-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.42), rgba(14, 157, 255, 0.5), rgba(34, 211, 238, 0.42), transparent);
            box-shadow: 0 0 24px rgba(14, 157, 255, 0.2);
        }

        .site-footer {
            background: #040810;
            padding: 60px 0 24px;
            position: relative;
            overflow: hidden;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 42px;
            padding-bottom: 44px;
        }

        .footer-logo {
            margin-bottom: 14px;
        }

        .footer-brand-desc {
            max-width: 420px;
            margin: 0;
            color: #8598B4;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-col-title {
            color: #E0ECFF;
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: #8196B4;
            font-size: 14px;
            transition: color .2s ease, transform .2s ease;
            display: inline-flex;
            width: fit-content;
        }

        .footer-links a:hover {
            color: #49C1FF;
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            color: #6B7E9B;
            font-size: 13px;
            margin-top: 10px;
        }

        .footer-bottom .c-container {
            align-items: center;
        }

        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 860px) {
            .header-search {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .c-container {
                width: min(100% - 32px, 1200px);
            }

            .article-main {
                padding-top: 34px;
                padding-bottom: 70px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .header-top-row {
                height: 58px;
            }

            .channel-scroll {
                height: 48px;
            }

            .breadcrumb-wrap {
                align-items: flex-start;
                flex-direction: column;
            }
        }

        @media (max-width: 640px) {
            body {
                font-size: 15px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .article-head {
                text-align: left;
                margin-bottom: 24px;
            }

            .article-meta {
                justify-content: flex-start;
                gap: 6px 12px;
            }

            .article-navlinks {
                flex-direction: column;
                align-items: flex-start;
            }

            .article-navlink {
                width: 100%;
            }

            .section-head {
                align-items: flex-start;
                flex-direction: column;
            }

            .cta-gate {
                padding: 30px 20px;
            }

            .cta-gate-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-gate-actions .btn {
                width: 100%;
            }

            .channel-item {
                font-size: 14px;
                padding: 7px 14px;
            }

            .header-actions .btn-sm {
                padding: 0 14px;
                height: 36px;
                font-size: 13px;
            }

            .brand-logo {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
      --bg: #060b16;
      --bg-depth: #0b1220;
      --panel: rgba(17,25,45,0.72);
      --panel-soft: rgba(255, 255, 255, 0.04);
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(255, 255, 255, 0.14);
      --text: #e8eef8;
      --muted: #8fa0b6;
      --muted-light: #b6c4d8;
      --primary: #0e9dff;
      --secondary: #8b5cf6;
      --accent: #22d3ee;
      --amber: #f59e0b;
      --radius-xl: 24px;
      --radius-lg: 18px;
      --radius-md: 16px;
      --radius-btn: 12px;
      --radius-pill: 999px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      background-image:
        radial-gradient(circle at 6% 12%, rgba(14, 157, 255, 0.1), transparent 360px),
        radial-gradient(circle at 92% 4%, rgba(139, 92, 246, 0.08), transparent 420px);
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input {
      font: inherit;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid rgba(255, 255, 255, 0.92);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .c-container {
      width: min(1200px, 100% - 40px);
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(6, 11, 22, 0.68);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid transparent;
      transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .site-header.is-scrolled {
      background: rgba(5, 9, 17, 0.94);
      border-bottom-color: rgba(255, 255, 255, 0.06);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
    }

    .header-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      height: 64px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: baseline;
      font-size: 24px;
      font-weight: 800;
      letter-spacing: 0.02em;
      color: #fff;
      white-space: nowrap;
    }

    .brand-logo span {
      color: var(--accent);
      background: linear-gradient(90deg, #22d3ee, #0e9dff);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-left: 2px;
    }

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

    .header-search {
      position: relative;
      display: flex;
      align-items: center;
    }

    .header-search input {
      width: 200px;
      height: 38px;
      padding: 0 14px 0 38px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.05);
      color: var(--text);
      font-size: 13px;
      outline: none;
      transition: border-color 0.2s ease, background 0.2s ease, width 0.2s ease;
    }

    .header-search input::placeholder {
      color: #64788f;
    }

    .header-search input:focus {
      border-color: rgba(14, 157, 255, 0.65);
      background: rgba(14, 157, 255, 0.06);
      width: 240px;
    }

    .header-search .search-icon {
      position: absolute;
      left: 14px;
      width: 16px;
      height: 16px;
      pointer-events: none;
      opacity: 0.8;
      border: 1.5px solid #8fa0b6;
      border-radius: 50%;
    }

    .header-search .search-icon::after {
      content: "";
      position: absolute;
      right: -4px;
      bottom: -3px;
      width: 6px;
      height: 1.5px;
      background: #8fa0b6;
      transform: rotate(45deg);
    }

    .channel-nav {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      background: rgba(10, 16, 30, 0.62);
    }

    .channel-scroll {
      display: flex;
      align-items: center;
      gap: 6px;
      overflow-x: auto;
      white-space: nowrap;
      padding-top: 7px;
      padding-bottom: 8px;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
    }

    .channel-scroll::-webkit-scrollbar {
      display: none;
    }

    .channel-item {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 18px;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 500;
      color: #98a9c0;
      border: 1px solid transparent;
      transition: all 0.22s ease;
      flex: 0 0 auto;
    }

    .channel-item:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(255, 255, 255, 0.05);
    }

    .channel-item.active {
      color: #fff;
      background: linear-gradient(180deg, rgba(14, 157, 255, 0.2), rgba(14, 157, 255, 0.04));
      border-color: rgba(14, 157, 255, 0.45);
      box-shadow: 0 -1px 0 rgba(34, 211, 238, 0.7), 0 6px 18px rgba(14, 157, 255, 0.18);
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #fff;
      cursor: pointer;
    }

    .nav-toggle svg {
      width: 20px;
      height: 20px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      line-height: 1.4;
      padding: 12px 20px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.22s ease;
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, #0e9dff 0%, #22d3ee 100%);
      border-color: rgba(255, 255, 255, 0.14);
      box-shadow: 0 0 16px rgba(14, 157, 255, 0.32), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    }

    .btn-primary:hover {
      box-shadow: 0 0 34px rgba(14, 157, 255, 0.65), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
      transform: translateY(-1px);
    }

    .btn-primary:active {
      transform: scale(0.98);
      opacity: 0.9;
    }

    .btn-ghost {
      color: #f2f7ff;
      background: rgba(255, 255, 255, 0.04);
      border-color: rgba(255, 255, 255, 0.13);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.28);
      box-shadow: 0 0 24px rgba(139, 92, 246, 0.15);
    }

    .btn-ghost:active {
      transform: scale(0.98);
      opacity: 0.92;
    }

    .btn-sm {
      padding: 9px 16px;
      font-size: 13px;
      border-radius: 10px;
    }

    .hero {
      position: relative;
      min-height: 680px;
      display: flex;
      align-items: center;
      overflow: hidden;
      background-position: center 35%;
      background-size: cover;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      background:
        radial-gradient(circle at 78% 28%, rgba(34, 211, 238, 0.14), transparent 300px),
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.14), transparent 320px),
        linear-gradient(95deg, rgba(6, 11, 22, 0.97) 0%, rgba(6, 11, 22, 0.85) 55%, rgba(6, 11, 22, 0.44) 100%);
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      gap: 40px;
      align-items: center;
      padding-top: 70px;
      padding-bottom: 72px;
    }

    .hero-crumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 18px;
    }

    .hero-crumb a:hover {
      color: #fff;
    }

    .hero-crumb span {
      opacity: 0.5;
    }

    .hero-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      background: rgba(14, 157, 255, 0.12);
      border: 1px solid rgba(14, 157, 255, 0.22);
      color: #9ad8ff;
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 18px;
    }

    .hero h1 {
      max-width: 720px;
      font-size: clamp(42px, 7vw, 68px);
      line-height: 1.12;
      margin: 0 0 20px;
      font-weight: 800;
      letter-spacing: 0.02em;
    }

    .hero-lead {
      max-width: 620px;
      color: #c5d0e2;
      font-size: 17px;
      line-height: 1.85;
      margin: 0 0 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 26px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 13px;
      color: #8fa3bc;
    }

    .hero-tags span {
      position: relative;
      padding-left: 14px;
    }

    .hero-tags span::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0e9dff, #22d3ee);
      box-shadow: 0 0 10px rgba(34, 211, 238, 0.8);
    }

    .hero-visual {
      position: relative;
      min-height: 360px;
    }

    .hero-card {
      border-radius: 28px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      overflow: hidden;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
      position: relative;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      left: 14%;
      right: 14%;
      top: -40%;
      height: 120%;
      background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 60%);
      pointer-events: none;
    }

    .hero-card img {
      aspect-ratio: 4 / 3;
      object-fit: cover;
      width: 100%;
    }

    .hero-float {
      position: absolute;
      display: flex;
      align-items: center;
      gap: 11px;
      padding: 12px 16px;
      border-radius: 16px;
      background: rgba(13, 20, 36, 0.86);
      border: 1px solid rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(14px);
      box-shadow: 0 14px 40px rgba(0, 0, 0, 0.34);
      font-size: 13px;
      animation: floaty 3.6s ease-in-out infinite alternate;
    }

    .hero-float-a {
      left: -18px;
      top: 44px;
    }

    .hero-float-b {
      right: -6px;
      bottom: 52px;
      animation-delay: 0.6s;
    }

    .hero-float i {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: #22d3ee;
      box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.16), 0 0 16px #22d3ee;
    }

    .hero-float span {
      display: block;
      color: #7e91ab;
      font-size: 12px;
      line-height: 1.3;
    }

    .hero-float strong {
      display: block;
      color: #fff;
      font-size: 14px;
      line-height: 1.3;
    }

    @keyframes floaty {
      0% {
        transform: translateY(0);
      }
      100% {
        transform: translateY(-8px);
      }
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, rgba(11, 18, 32, 0.7), rgba(6, 11, 22, 0.2));
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 38px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.12em;
      color: #22d3ee;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(26px, 4vw, 36px);
      line-height: 1.3;
      margin: 0;
      font-weight: 750;
      letter-spacing: -0.01em;
    }

    .section-desc {
      color: var(--muted);
      font-size: 15px;
      max-width: 520px;
      margin: 10px 0 0;
    }

    .more-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #9fc7e8;
      font-size: 14px;
      font-weight: 500;
      padding: 10px 16px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.2s ease;
      flex: 0 0 auto;
    }

    .more-link:hover {
      color: #fff;
      border-color: rgba(14, 157, 255, 0.5);
      box-shadow: 0 0 20px rgba(14, 157, 255, 0.2);
    }

    .more-link i {
      font-style: normal;
      transition: transform 0.2s ease;
    }

    .more-link:hover i {
      transform: translateX(4px);
    }

    .panel {
      position: relative;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    }

    .panel::after {
      content: "";
      position: absolute;
      left: 12%;
      right: 12%;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
      opacity: 0.7;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 5px 12px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.4;
      background: rgba(255, 255, 255, 0.06);
      color: #cbd5e6;
    }

    .badge-blue {
      background: rgba(14, 157, 255, 0.14);
      color: #77c7ff;
      border: 1px solid rgba(14, 157, 255, 0.18);
    }

    .badge-violet {
      background: rgba(139, 92, 246, 0.15);
      color: #c4adff;
      border: 1px solid rgba(139, 92, 246, 0.18);
    }

    .badge-cyan {
      background: rgba(34, 211, 238, 0.12);
      color: #7edcee;
      border: 1px solid rgba(34, 211, 238, 0.18);
    }

    .badge-amber {
      background: rgba(245, 158, 11, 0.14);
      color: #ffd18a;
      border: 1px solid rgba(245, 158, 11, 0.18);
    }

    .hub-grid {
      display: grid;
      gap: 26px;
    }

    .hub-main {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      border-radius: var(--radius-xl);
    }

    .hub-main img {
      width: 100%;
      height: 100%;
      min-height: 260px;
      object-fit: cover;
    }

    .hub-main-body {
      padding: 30px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
    }

    .hub-main-body h3 {
      margin: 14px 0 10px;
      font-size: 24px;
      line-height: 1.4;
      font-weight: 700;
    }

    .hub-main-body p {
      margin: 0 0 18px;
      color: #a5b4c9;
      font-size: 15px;
    }

    .content-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #7186a1;
      font-size: 13px;
    }

    .hub-side {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .side-item {
      flex: 1;
      display: flex;
      gap: 18px;
      align-items: center;
      padding: 16px 18px;
      border-radius: 18px;
      background: rgba(17, 25, 45, 0.56);
      border: 1px solid var(--line);
      transition: all 0.24s ease;
    }

    .side-item:hover {
      border-color: rgba(14, 157, 255, 0.3);
      transform: translateX(3px);
      box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
    }

    .side-index {
      font-size: 28px;
      font-weight: 800;
      color: rgba(255, 255, 255, 0.14);
      font-family: "Segoe UI", "PingFang SC", sans-serif;
      min-width: 40px;
    }

    .side-item:nth-child(1) .side-index {
      color: rgba(14, 157, 255, 0.55);
    }

    .side-item:nth-child(2) .side-index {
      color: rgba(34, 211, 238, 0.5);
    }

    .side-item:nth-child(3) .side-index {
      color: rgba(139, 92, 246, 0.5);
    }

    .side-item h3 {
      margin: 0 0 5px;
      font-size: 15px;
      font-weight: 600;
      color: #e8f0fb;
    }

    .side-item p {
      margin: 0;
      font-size: 13px;
      color: #7e91aa;
    }

    .scene-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      margin-top: 40px;
    }

    .scene-card {
      padding: 26px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.035);
      border: 1px solid rgba(255, 255, 255, 0.07);
      transition: all 0.24s ease;
    }

    .scene-card:hover {
      background: rgba(14, 157, 255, 0.08);
      border-color: rgba(14, 157, 255, 0.25);
      transform: translateY(-4px);
      box-shadow: 0 16px 34px rgba(0, 0, 0, 0.25);
    }

    .scene-card i {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      margin-bottom: 18px;
      border-radius: 14px;
      font-style: normal;
      font-weight: 800;
      font-size: 20px;
      background: linear-gradient(135deg, rgba(14, 157, 255, 0.18), rgba(139, 92, 246, 0.18));
      color: #9ad8ff;
      border: 1px solid rgba(14, 157, 255, 0.16);
    }

    .scene-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 700;
    }

    .scene-card p {
      margin: 0;
      font-size: 14px;
      color: #8ba0b8;
    }

    .talk-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 42px;
      align-items: start;
    }

    .talk-board {
      border-radius: 24px;
      background: rgba(12, 19, 34, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.07);
      padding: 6px 26px;
    }

    .talk-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 22px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      transition: opacity 0.2s ease;
    }

    .talk-item:last-child {
      border-bottom: 0;
    }

    .talk-item:hover {
      opacity: 0.92;
    }

    .topic-rank {
      flex: 0 0 42px;
      font-family: "Segoe UI", "Inter", sans-serif;
      font-size: 22px;
      font-weight: 800;
      color: rgba(255, 255, 255, 0.16);
      text-align: center;
    }

    .talk-item:nth-child(1) .topic-rank {
      color: #f59e0b;
    }

    .talk-item:nth-child(2) .topic-rank {
      color: #9bb0c9;
    }

    .talk-item:nth-child(3) .topic-rank {
      color: #c98a52;
    }

    .talk-item-body {
      flex: 1;
      min-width: 0;
    }

    .talk-item-body h3 {
      margin: 0 0 6px;
      font-size: 17px;
      font-weight: 600;
      line-height: 1.5;
    }

    .talk-item-body p {
      margin: 0;
      color: #8094ae;
      font-size: 14px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .talk-item-tags {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .talk-note {
      border-radius: 24px;
      background:
        radial-gradient(circle at 0% 0%, rgba(139, 92, 246, 0.12), transparent 320px),
        rgba(17, 25, 45, 0.66);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 30px;
    }

    .talk-note h3 {
      margin: 0 0 14px;
      font-size: 21px;
      font-weight: 700;
    }

    .talk-note p {
      margin: 0 0 20px;
      color: #8fa0b6;
      font-size: 14px;
    }

    .talk-note-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .talk-note-list li {
      display: flex;
      gap: 10px;
      align-items: center;
      color: #b7c5d9;
      font-size: 14px;
      list-style: none;
    }

    .talk-note-list li::before {
      content: "";
      flex: 0 0 7px;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: linear-gradient(135deg, #22d3ee, #0e9dff);
      box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
    }

    .pick-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pick-card {
      display: flex;
      flex-direction: column;
      border-radius: 22px;
      background: rgba(15, 23, 40, 0.72);
      border: 1px solid var(--line);
      overflow: hidden;
      transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
    }

    .pick-card:hover {
      transform: translateY(-5px);
      border-color: rgba(14, 157, 255, 0.25);
      box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
    }

    .pick-cover {
      position: relative;
      overflow: hidden;
      aspect-ratio: 3 / 2;
    }

    .pick-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .pick-card:hover .pick-cover img {
      transform: scale(1.04);
    }

    .pick-cover .badge {
      position: absolute;
      left: 14px;
      top: 14px;
      z-index: 2;
      backdrop-filter: blur(8px);
    }

    .pick-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      flex: 1;
    }

    .pick-body h3 {
      margin: 0 0 10px;
      font-size: 18px;
      line-height: 1.5;
      font-weight: 700;
    }

    .pick-body p {
      margin: 0 0 16px;
      color: #8396ae;
      font-size: 14px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .pick-meta {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      color: #5f7690;
      font-size: 13px;
    }

    .pick-meta .dot {
      color: #22d3ee;
    }

    .channel-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .channel-card {
      padding: 28px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.035);
      border: 1px solid rgba(255, 255, 255, 0.07);
      transition: all 0.24s ease;
      position: relative;
      overflow: hidden;
    }

    .channel-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, #0e9dff, #22d3ee);
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    .channel-card:hover {
      border-color: rgba(14, 157, 255, 0.3);
      background: rgba(14, 157, 255, 0.06);
      transform: translateY(-4px);
      box-shadow: 0 20px 36px rgba(0, 0, 0, 0.22);
    }

    .channel-card:hover::before {
      opacity: 1;
    }

    .channel-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
      font-weight: 700;
    }

    .channel-card p {
      margin: 0 0 14px;
      color: #8b9db3;
      font-size: 14px;
    }

    .channel-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #9ad8ff;
      font-size: 14px;
      font-weight: 500;
    }

    .channel-link span {
      transition: transform 0.2s ease;
    }

    .channel-link:hover span {
      transform: translateX(4px);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    details.faq-item {
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.035);
      border: 1px solid rgba(255, 255, 255, 0.07);
      padding: 22px 24px;
      transition: border-color 0.22s ease, background 0.22s ease;
    }

    details.faq-item:hover {
      background: rgba(255, 255, 255, 0.055);
      border-color: rgba(255, 255, 255, 0.14);
    }

    details.faq-item[open] {
      border-color: rgba(34, 211, 238, 0.28);
      background: rgba(14, 157, 255, 0.04);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      cursor: pointer;
      list-style: none;
      color: #f1f6ff;
      font-weight: 600;
      font-size: 16px;
      line-height: 1.6;
      position: relative;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.09);
      color: #8fb6d6;
      font-size: 20px;
      font-weight: 400;
      line-height: 1;
      transition: all 0.22s ease;
    }

    .faq-item[open] summary::after {
      content: "−";
      background: rgba(14, 157, 255, 0.2);
      border-color: rgba(14, 157, 255, 0.4);
      color: #fff;
    }

    .faq-item p {
      margin: 16px 0 0;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      color: #9aaabd;
      font-size: 14px;
      line-height: 1.8;
    }

    .cta-section {
      padding: 28px 0 88px;
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      background:
        radial-gradient(circle at 10% 30%, rgba(14, 157, 255, 0.22), transparent 300px),
        radial-gradient(circle at 90% 10%, rgba(139, 92, 246, 0.2), transparent 260px),
        linear-gradient(135deg, rgba(14, 157, 255, 0.1), rgba(139, 92, 246, 0.08));
      border: 1px solid rgba(14, 157, 255, 0.28);
      box-shadow: 0 0 60px rgba(14, 157, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
      padding: 48px;
    }

    .cta-box::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: -80px;
      height: 200px;
      background: radial-gradient(ellipse, rgba(34, 211, 238, 0.25), transparent 60%);
      pointer-events: none;
    }

    .cta-grid {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }

    .cta-copy {
      max-width: 600px;
    }

    .cta-copy h2 {
      font-size: clamp(26px, 4.4vw, 40px);
      line-height: 1.35;
      margin: 4px 0 10px;
      font-weight: 800;
    }

    .cta-copy p {
      margin: 0;
      color: #a4b5ca;
      font-size: 15px;
    }

    .cta-actions {
      display: flex;
      flex-direction: column;
      gap: 14px;
      align-items: stretch;
    }

    .cta-form-row {
      display: flex;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 5px;
      transition: border-color 0.2s ease;
    }

    .cta-form-row:focus-within {
      border-color: rgba(34, 211, 238, 0.6);
      box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
    }

    .cta-form-row input {
      flex: 1;
      background: transparent;
      border: 0;
      outline: none;
      padding: 8px 14px;
      color: #fff;
      font-size: 14px;
      min-width: 0;
    }

    .cta-form-row input::placeholder {
      color: #6c82a0;
    }

    .cta-form-row button {
      border-radius: 12px;
      padding: 10px 18px;
      font-size: 14px;
    }

    .cta-note {
      color: #7a8faa;
      font-size: 12px;
      text-align: center;
    }

    .site-footer {
      position: relative;
      background: #040812;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      overflow: hidden;
    }

    .footer-glow {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.55), rgba(14, 157, 255, 0.25), transparent);
      box-shadow: 0 0 28px rgba(34, 211, 238, 0.2);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 0.7fr 0.9fr;
      gap: 48px;
      padding: 56px 0 44px;
    }

    .footer-brand-desc {
      max-width: 360px;
      color: #6f839e;
      font-size: 14px;
      line-height: 1.9;
      margin: 16px 0 0;
    }

    .footer-logo {
      font-size: 21px;
    }

    .footer-col-title {
      font-size: 14px;
      font-weight: 600;
      color: #c0d0e4;
      margin-bottom: 14px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #7187a3;
      font-size: 14px;
      transition: all 0.2s ease;
    }

    .footer-links a:hover {
      color: #cbdcef;
      transform: translateX(2px);
    }

    .footer-bottom {
      padding: 22px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .footer-bottom .c-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      color: #53677f;
      font-size: 13px;
    }

    @media (min-width: 901px) {
      .hero-inner {
        grid-template-columns: 1.05fr 0.95fr;
      }

      .hub-grid {
        grid-template-columns: 1.25fr 0.75fr;
      }

      .talk-layout {
        grid-template-columns: 1.25fr 0.75fr;
      }
    }

    @media (max-width: 900px) {
      .section {
        padding: 70px 0;
      }

      .scene-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .pick-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .channel-cards {
        grid-template-columns: repeat(2, 1fr);
      }

      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hub-main {
        grid-template-columns: 1fr;
      }

      .hub-main img {
        max-height: 260px;
        min-height: auto;
      }

      .talk-layout {
        grid-template-columns: 1fr;
      }

      .hero-visual {
        max-width: 560px;
      }

      .cta-grid {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-actions {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
      }

      .cta-form-row {
        flex: 1 1 260px;
      }
    }

    @media (max-width: 768px) {
      .header-main {
        height: 58px;
      }

      .header-search {
        display: none;
      }

      .nav-toggle {
        display: inline-flex;
      }

      .channel-nav {
        display: none;
      }

      .channel-nav.open {
        display: block;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
      }

      .channel-scroll {
        padding-top: 6px;
        padding-bottom: 6px;
      }

      .channel-item {
        padding: 7px 14px;
        font-size: 13px;
      }

      .hero {
        min-height: auto;
      }

      .hero-inner {
        padding-top: 52px;
        padding-bottom: 56px;
        gap: 28px;
      }

      .hero h1 {
        font-size: clamp(38px, 11vw, 56px);
      }

      .hero-float-a {
        left: 0;
      }

      .hero-float-b {
        right: 0;
      }

      .section {
        padding: 56px 0;
      }

      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }

      .scene-strip,
      .pick-grid,
      .channel-cards {
        grid-template-columns: 1fr;
      }

      .scene-card,
      .pick-card,
      .channel-card {
        padding: 20px;
      }

      .faq-item summary {
        font-size: 15px;
      }

      .cta-box {
        padding: 32px 20px;
      }

      .cta-actions {
        flex-direction: column;
      }

      .cta-form-row button {
        align-self: stretch;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 44px 0 32px;
      }

      .footer-brand-desc {
        max-width: none;
      }

      .footer-bottom .c-container {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .header-actions .btn-sm {
        padding: 8px 12px;
        font-size: 12px;
      }

      .hero h1 {
        font-size: 38px;
      }

      .hero-lead {
        font-size: 15px;
      }

      .hero-visual {
        display: none;
      }

      .talk-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }

      .topic-rank {
        font-size: 18px;
      }

      .talk-board {
        padding: 12px 18px;
      }

      .talk-note {
        padding: 20px;
      }
    }

/* roulang page: category3 */
:root {
            --bg: #060b16;
            --bg-2: #0b1220;
            --panel: rgba(17, 25, 45, .68);
            --panel-light: rgba(255, 255, 255, .045);
            --border: rgba(255, 255, 255, .085);
            --border-hover: rgba(14, 157, 255, .55);
            --primary: #0e9dff;
            --secondary: #8b5cf6;
            --cyan: #22d3ee;
            --amber: #f59e0b;
            --text: #eaf1ff;
            --muted: #94a3b8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --control-height: 48px;
            --shadow-glow: 0 0 24px rgba(14, 157, 255, .28);
            --section-gap: 104px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'HarmonyOS Sans', 'Noto Sans CJK SC', sans-serif;
            background-color: var(--bg);
            background-image: radial-gradient(circle at 50% 0%, rgba(14, 157, 255, .045), transparent 34%);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(14, 157, 255, .025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(14, 157, 255, .025) 1px, transparent 1px);
            background-size: 34px 34px;
            mask-image: radial-gradient(circle at center, rgba(0, 0, 0, .8), transparent 88%);
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        button,
        input {
            font: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        :where(a, button, input, summary).focus-visible,
        :focus-visible {
            outline: 2px solid #ffffff;
            outline-offset: 3px;
            border-radius: 6px;
        }

        .c-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-sm {
            padding: 64px 0;
        }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: .14em;
            color: var(--cyan);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-kicker::before {
            content: "";
            width: 22px;
            height: 2px;
            background: linear-gradient(90deg, var(--cyan), transparent);
        }
        .section-title {
            font-size: clamp(27px, 3.4vw, 40px);
            font-weight: 800;
            line-height: 1.26;
            margin: 6px 0 16px;
            letter-spacing: -.02em;
        }
        .section-sub {
            max-width: 740px;
            color: var(--muted);
            font-size: 16px;
            margin: 0 0 32px;
        }

        .gradient-text {
            background: linear-gradient(108deg, #ffffff, var(--cyan) 55%, var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .text-muted {
            color: var(--muted);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: .02em;
            transition: all .2s ease;
            border: 1px solid transparent;
            user-select: none;
            position: relative;
            overflow: hidden;
        }
        .btn-primary {
            background: linear-gradient(135deg, #0e9dff, #22d3ee);
            color: #04121e;
            box-shadow: 0 0 20px rgba(14, 157, 255, .28), inset 0 1px 0 rgba(255, 255, 255, .18);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(14, 157, 255, .4), inset 0 1px 0 rgba(255, 255, 255, .28);
        }
        .btn-primary:active {
            transform: translateY(0) scale(.98);
            opacity: .95;
        }
        .btn-secondary {
            background: linear-gradient(180deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .03));
            border-color: rgba(255, 255, 255, .14);
            color: var(--text);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
            backdrop-filter: blur(6px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(14, 157, 255, .58);
            transform: translateY(-2px);
            box-shadow: 0 0 22px rgba(14, 157, 255, .16);
        }
        .btn-secondary:active {
            transform: translateY(0) scale(.98);
        }
        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .text-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--cyan);
            font-weight: 600;
            font-size: 14px;
            transition: color .2s ease, gap .2s ease;
        }
        .text-btn:hover {
            color: #fff;
        }
        .text-btn:hover .arrow-ic {
            transform: translateX(4px);
        }
        .arrow-ic {
            display: inline-block;
            transition: transform .2s ease;
        }

        .card {
            background: linear-gradient(180deg, rgba(255, 255, 255, .065), rgba(255, 255, 255, .015)), var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: 0 18px 30px rgba(0, 0, 0, .22), inset 0 1px 0 rgba(255, 255, 255, .06);
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: 0 24px 44px rgba(0, 0, 0, .28), 0 0 28px rgba(14, 157, 255, .08), inset 0 1px 0 rgba(255, 255, 255, .1);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            background: rgba(14, 157, 255, .12);
            border: 1px solid rgba(14, 157, 255, .24);
            color: #bfe8ff;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }
        .badge-cyan {
            background: rgba(34, 211, 238, .12);
            border-color: rgba(34, 211, 238, .25);
            color: #a5f3fc;
        }
        .badge-purple {
            background: rgba(139, 92, 246, .14);
            border-color: rgba(139, 92, 246, .3);
            color: #d8ccff;
        }
        .badge-amber {
            background: rgba(245, 158, 11, .14);
            border-color: rgba(245, 158, 11, .3);
            color: #ffe1a4;
        }

        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(6, 11, 22, .72);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            box-shadow: 0 10px 40px rgba(0, 0, 0, .18);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 64px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            font-size: 25px;
            font-weight: 900;
            letter-spacing: -.02em;
            white-space: nowrap;
            color: #fff;
            line-height: 1.2;
        }
        .brand-logo span {
            margin-left: 3px;
            background: linear-gradient(120deg, var(--primary), var(--cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .header-search {
            flex: 0 1 360px;
            display: flex;
            align-items: center;
            height: 42px;
            padding: 0 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            color: var(--muted);
            font-size: 14px;
            gap: 10px;
            transition: border-color .2s ease, background .2s ease;
        }
        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(14, 157, 255, .5);
            background: rgba(14, 157, 255, .06);
            color: #dbeafe;
        }
        .header-search input {
            width: 100%;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
        }
        .header-search input::placeholder {
            color: #64748b;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, .1);
            background: rgba(255, 255, 255, .04);
        }
        .nav-toggle:hover {
            border-color: rgba(14, 157, 255, .48);
        }

        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .channel-scroll {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding-top: 2px;
        }
        .channel-scroll::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            position: relative;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            transition: color .2s ease, background .2s ease;
        }
        .channel-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }
        .channel-item.active {
            color: #fff;
            background: rgba(14, 157, 255, .14);
            border: 1px solid rgba(14, 157, 255, .24);
            box-shadow: 0 0 18px rgba(14, 157, 255, .08), inset 0 1px 0 rgba(255, 255, 255, .06);
        }
        .channel-item.active:after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: -1px;
            height: 2px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--cyan), var(--primary), transparent);
        }

        /* hero */
        .category-hero {
            position: relative;
            padding: 88px 0 92px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -2;
            background:
                radial-gradient(circle at 22% 30%, rgba(14, 157, 255, .44), transparent 45%),
                radial-gradient(circle at 88% 72%, rgba(139, 92, 246, .32), transparent 44%),
                linear-gradient(97deg, rgba(6, 11, 22, .98), rgba(6, 11, 22, .84) 55%, rgba(6, 11, 22, .5));
            opacity: .94;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background-image:
                linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(to right, #000, transparent 84%);
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
            gap: 56px;
            align-items: center;
        }
        .hero-crumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: #8fb4d8;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .hero-crumb a {
            color: #8fb4d8;
        }
        .hero-crumb a:hover {
            color: #fff;
        }
        .hero-crumb .sep {
            opacity: .5;
        }
        .category-hero h1 {
            font-size: clamp(39px, 5.2vw, 68px);
            line-height: 1.13;
            font-weight: 900;
            letter-spacing: -.035em;
            margin: 0 0 24px;
            color: #fff;
        }
        .category-hero .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: #c4d8f0;
            max-width: 630px;
            margin: 0 0 34px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-visual {
            position: relative;
            min-height: 420px;
        }
        .hero-visual-glow {
            position: absolute;
            background: radial-gradient(circle, rgba(14, 157, 255, .4), transparent 68%);
            width: 400px;
            height: 400px;
            top: 0;
            right: 0;
            border-radius: 50%;
            filter: blur(40px);
            z-index: 0;
            opacity: .65;
        }
        .visual-card {
            position: absolute;
            background: rgba(13, 22, 40, .74);
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 20px;
            box-shadow: 0 28px 50px rgba(0, 0, 0, .38), inset 0 1px 0 rgba(255, 255, 255, .08);
            backdrop-filter: blur(20px);
            z-index: 2;
        }
        .visual-main {
            top: 22px;
            right: 20px;
            width: min(310px, 88%);
            padding: 18px;
        }
        .visual-main .visual-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .visual-main img {
            border-radius: 14px;
            height: 146px;
            object-fit: cover;
            margin-bottom: 14px;
        }
        .visual-event-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 11px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 13px;
        }
        .visual-float-top {
            top: -18px;
            right: -12px;
            padding: 12px 18px;
            border-radius: 16px;
            box-shadow: 0 20px 30px rgba(0, 0, 0, .3), 0 0 25px rgba(14, 157, 255, .16);
        }
        .visual-float-bottom {
            bottom: -12px;
            left: -8px;
            padding: 12px 18px;
            border-radius: 16px;
            background: rgba(13, 25, 42, .9);
            border-color: rgba(34, 211, 238, .3);
            box-shadow: 0 20px 30px rgba(0, 0, 0, .25), 0 0 24px rgba(34, 211, 238, .1);
        }
        .status-ok {
            display: inline-flex;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #34d399;
            box-shadow: 0 0 10px #34d399;
            margin-right: 8px;
        }

        /* stats */
        .stat-band {
            background: rgba(255, 255, 255, .03);
            border-top: 1px solid rgba(255, 255, 255, .06);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            padding: 40px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 6px 10px;
        }
        .stat-item b {
            display: block;
            font-size: 32px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -.02em;
            background: linear-gradient(135deg, #fff, #9cdbfa);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-item i {
            font-style: normal;
            font-size: 13px;
            color: var(--muted);
        }

        /* activity topic */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            position: relative;
            padding: 28px 24px;
            min-height: 208px;
            display: flex;
            flex-direction: column;
            border-radius: 20px;
            overflow: hidden;
        }
        .topic-card .topic-num {
            position: absolute;
            right: 18px;
            top: 12px;
            font-size: 54px;
            font-weight: 900;
            line-height: 1;
            color: rgba(255, 255, 255, .05);
            transition: color .2s ease;
        }
        .topic-card:hover .topic-num {
            color: rgba(14, 157, 255, .22);
        }
        .topic-card h3 {
            margin: 0 0 10px;
            font-size: 19px;
            font-weight: 800;
        }
        .topic-card p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 280px;
        }
        .topic-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
            background: rgba(14, 157, 255, .12);
            border: 1px solid rgba(14, 157, 255, .22);
            color: #bfe8ff;
            font-weight: 800;
        }

        /* featured */
        .featured-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            display: flex;
            flex-direction: column;
            border-radius: 20px;
            overflow: hidden;
        }
        .feature-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .feature-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .feature-card:hover .feature-cover img {
            transform: scale(1.03);
        }
        .feature-cover .cover-badge {
            position: absolute;
            left: 14px;
            top: 14px;
        }
        .feature-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .feature-body h3 {
            margin: 0 0 6px;
            font-size: 17px;
            line-height: 1.5;
            font-weight: 800;
        }
        .feature-body h3 a:hover {
            color: var(--cyan);
        }
        .feature-body p {
            margin: 0 0 18px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
            flex: 1;
        }
        .feature-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: #7a8ba2;
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding-top: 14px;
        }

        /* steps */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            counter-reset: stepCounter;
        }
        .step-card {
            position: relative;
            padding: 28px 22px 26px;
            border-radius: 20px;
        }
        .step-num {
            font-size: 14px;
            font-weight: 800;
            color: var(--cyan);
            letter-spacing: .12em;
            display: block;
            margin-bottom: 16px;
        }
        .step-card h3 {
            margin: 0 0 8px;
            font-size: 18px;
        }
        .step-card p {
            margin: 0;
            font-size: 14px;
            color: var(--muted);
        }

        /* double section */
        .split-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 44px;
            align-items: center;
        }
        .text-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .text-list li {
            display: flex;
            gap: 14px;
            padding: 20px 18px;
            border-radius: 18px;
            background: rgba(255, 255, 255, .028);
            border: 1px solid rgba(255, 255, 255, .07);
        }
        .text-list-icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(14, 157, 255, .13);
            color: var(--cyan);
        }
        .text-list h3 {
            margin: 0 0 5px;
            font-size: 16px;
            font-weight: 700;
        }
        .text-list p {
            margin: 0;
            font-size: 14px;
            color: var(--muted);
        }

        .visual-suggestion {
            padding: 22px;
            border-radius: 24px;
        }
        .visual-suggestion img {
            width: 100%;
            border-radius: 16px;
            height: 232px;
            object-fit: cover;
            margin-bottom: 18px;
        }

        /* faq */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .faq-item {
            border-radius: 18px;
            background: rgba(255, 255, 255, .032);
            border: 1px solid rgba(255, 255, 255, .08);
            overflow: hidden;
            transition: border-color .2s ease, background .2s ease;
        }
        .faq-item:hover {
            border-color: rgba(14, 157, 255, .28);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(14, 157, 255, .1);
            border: 1px solid rgba(14, 157, 255, .24);
            color: var(--cyan);
            font-style: normal;
            transition: transform .25s ease;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-body {
            padding: 0 22px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
        }

        /* cta */
        .cta-shell {
            border-radius: 32px;
            padding: 58px 36px;
            position: relative;
            overflow: hidden;
            background:
                radial-gradient(circle at 15% 0%, rgba(14, 157, 255, .18), transparent 50%),
                radial-gradient(circle at 88% 100%, rgba(139, 92, 246, .16), transparent 48%),
                rgba(13, 18, 32, .8);
            border: 1px solid rgba(255, 255, 255, .1);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 0 44px rgba(14, 157, 255, .08);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .cta-shell::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--cyan), transparent);
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            max-width: 520px;
            margin: 24px auto 0;
            width: 100%;
        }
        .cta-form input {
            height: var(--control-height);
            min-width: 0;
            flex: 1 1 260px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            padding: 0 18px;
            color: #fff;
            outline: none;
            transition: border-color .2s ease, background .2s ease;
        }
        .cta-form input::placeholder {
            color: #8297ad;
        }
        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(14, 157, 255, .08);
        }
        .form-message {
            width: 100%;
            text-align: center;
            color: var(--cyan);
            font-size: 14px;
            min-height: 22px;
            margin-top: 12px;
        }

        /* footer */
        .site-footer {
            background: #050910;
            border-top: 1px solid rgba(255, 255, 255, .06);
            position: relative;
            margin-top: 80px;
        }
        .footer-glow {
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(14, 157, 255, .55), rgba(34, 211, 238, .4), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr .8fr .8fr;
            gap: 46px;
            padding: 64px 0 42px;
        }
        .footer-about {
            max-width: 400px;
        }
        .footer-logo {
            margin-bottom: 18px;
            font-size: 25px;
        }
        .footer-brand-desc {
            color: #8496ab;
            font-size: 14px;
            line-height: 1.9;
            margin: 0;
        }
        .footer-col-title {
            color: #dce9f8;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
        }
        .footer-links a {
            color: #8496ab;
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-links a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 22px 0;
            color: #627087;
            font-size: 13px;
        }
        .footer-bottom .c-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
        }

        /* media */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 78px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 70px;
            }
            .hero-visual {
                min-height: 390px;
                max-width: 560px;
                margin: 0 auto;
            }
            .topic-grid,
            .featured-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 58px 0;
            }
            .c-container {
                padding: 0 16px;
            }
            .header-top {
                min-height: 58px;
            }
            .header-search {
                display: none;
            }
            .channel-item {
                min-height: 38px;
                padding: 0 14px;
                font-size: 13px;
            }
            .category-hero {
                padding: 56px 0 60px;
            }
            .category-hero h1 {
                font-size: clamp(33px, 8vw, 46px);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 18px;
            }
            .topic-grid,
            .featured-wrap,
            .steps-wrap,
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .split-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .visual-suggestion {
                padding: 14px;
            }
            .cta-shell {
                padding: 40px 18px;
                border-radius: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 46px 0 26px;
            }
            .footer-bottom .c-container {
                justify-content: flex-start;
            }
            .visual-main {
                right: 8px;
            }
            .visual-float-top {
                right: -4px;
            }
            .visual-float-bottom {
                left: 2px;
            }
        }
        @media (max-width: 420px) {
            .topic-grid,
            .steps-wrap {
                grid-template-columns: 1fr;
            }
            .hero-visual {
                min-height: 340px;
            }
            .visual-main {
                width: 92%;
                right: 0;
                left: 0;
                margin: auto;
            }
        }