/* roulang page: index */
:root{
  --bg:#05080f;
  --bg-2:#0b111d;
  --bg-3:#0e1626;
  --card-bg:rgba(255,255,255,0.045);
  --card-bg-2:rgba(255,255,255,0.07);
  --board:rgba(255,255,255,0.10);
  --primary:#2ec5ff;
  --primary-2:#3b9fff;
  --accent:#38f2d4;
  --warm:#f2c063;
  --text:#f3f7fb;
  --text-2:#a4b3c6;
  --text-3:#68788e;
  --radius-card:22px;
  --radius-small:14px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,0.25);
  --glow:0 0 44px rgba(46,197,255,0.15);
  --transition:all .3s cubic-bezier(.25,.7,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;border:none;background:none;color:inherit;}
ul,ol{list-style:none;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}
.section{padding:100px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .title-line{display:flex;align-items:center;gap:14px;}
.section-kicker{font-size:13px;letter-spacing:2px;color:var(--primary);text-transform:uppercase;font-weight:600;display:flex;align-items:center;gap:8px;}
.section-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent);}
.section-title{font-size:30px;font-weight:700;line-height:1.35;letter-spacing:-0.02em;}
.section-sub{color:var(--text-2);margin-top:8px;max-width:680px;font-size:15px;}
.section-more a{display:inline-flex;align-items:center;gap:7px;color:var(--text-2);font-size:14px;padding:8px 14px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,0.12);transition:var(--transition);}
.section-more a:hover{color:#fff;border-color:rgba(46,197,255,0.55);box-shadow:0 0 18px rgba(46,197,255,0.14);}
.section-more a span{transition:transform .3s;}
.section-more a:hover span{transform:translateX(4px);}

.fade-up{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease;}
.fade-up.visible{opacity:1;transform:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  transition:var(--transition);cursor:pointer;white-space:nowrap;border:1px solid transparent;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04101e;box-shadow:0 6px 28px rgba(46,197,255,0.28),0 0 18px rgba(46,197,255,0.12);
  border-color:rgba(255,255,255,0.14);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 36px rgba(46,197,255,0.36),0 0 28px rgba(46,197,255,0.24);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 5px 18px rgba(46,197,255,0.2);}
.btn-primary:disabled{transform:none;box-shadow:none;opacity:.65;cursor:not-allowed;}
.btn-ghost{
  background:rgba(255,255,255,0.05);color:var(--text);border-color:rgba(255,255,255,0.22);
  backdrop-filter:blur(10px) saturate(130%);-webkit-backdrop-filter:blur(10px) saturate(130%);
}
.btn-ghost:hover{border-color:var(--primary);color:#fff;background:rgba(46,197,255,0.12);box-shadow:0 0 22px rgba(46,197,255,0.18);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:8px 18px;font-size:14px;}

.site-header{
  position:fixed;top:14px;left:14px;right:14px;z-index:999;pointer-events:none;
}
.navbar{
  pointer-events:auto;max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:22px;
  background:rgba(5,8,15,0.74);border:1px solid rgba(255,255,255,0.12);border-radius:var(--radius-pill);
  padding:9px 22px;box-shadow:0 12px 30px rgba(0,0,0,0.3),0 0 0 1px rgba(255,255,255,0.02);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;border-radius:12px;position:relative;background:conic-gradient(from 220deg,rgba(46,197,255,.9),rgba(56,242,212,.7),rgba(46,197,255,.9));box-shadow:0 0 20px rgba(46,197,255,0.3);}
.brand-mark::before{content:"";position:absolute;inset:4px;border-radius:8px;background:linear-gradient(145deg,#0b1426,#0d1a2f);}
.brand-mark::after{content:"K";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:var(--primary);}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;line-height:1.3;color:var(--text);}
.brand-text small{display:block;font-size:10px;font-weight:400;letter-spacing:.3em;color:var(--text-3);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-block;padding:8px 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:500;color:var(--text-2);position:relative;transition:var(--transition);border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.07);}
.nav-link.is-active{color:#fff;background:rgba(46,197,255,0.13);border-color:rgba(46,197,255,0.32);}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:8px;}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:var(--radius-pill);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);cursor:pointer;
}
.nav-burger span{width:18px;height:2px;background:var(--text);border-radius:4px;transition:var(--transition);}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger.open span:nth-child(2){opacity:0;}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding:150px 0 90px;
}
.hero-bg{
  position:absolute;inset:0;background-repeat:no-repeat;background-size:cover;background-position:center;z-index:0;
  transform:scale(1.06);animation:heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.12);}to{transform:scale(1.02);}}
.hero-scrim{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,8,15,0.62) 0%,rgba(5,8,15,0.35) 34%,rgba(5,8,15,0.88) 78%,var(--bg) 100%),
    radial-gradient(ellipse at 32% 42%,rgba(46,197,255,0.18),transparent 48%),
    radial-gradient(ellipse at 75% 30%,rgba(56,242,212,0.09),transparent 45%),
    repeating-linear-gradient(0deg,transparent 0,transparent 3px,rgba(255,255,255,0.012) 3px,rgba(255,255,255,0.012) 4px);
}
.hero-content{position:relative;z-index:3;max-width:800px;margin-left:auto;margin-right:auto;text-align:center;padding-top:20px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:2px;color:var(--accent);
  background:rgba(8,15,26,0.6);border:1px solid rgba(56,242,212,0.3);border-radius:var(--radius-pill);padding:7px 17px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);}
.hero h1{
  font-size:clamp(32px,5vw,56px);line-height:1.22;font-weight:800;letter-spacing:-0.03em;margin-top:22px;color:#fff;
  text-shadow:0 4px 28px rgba(0,0,0,0.4);
}
.hero h1 .grad{background:linear-gradient(120deg,#fff,#b9ebff);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{
  margin:22px auto 0;max-width:650px;color:rgba(227,237,247,0.87);font-size:17px;line-height:1.9;
  text-shadow:0 2px 10px rgba(0,0,0,0.4);
}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap;}
.hero-scroll{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:5;width:42px;height:70px;
  border:1px solid rgba(255,255,255,0.3);border-radius:30px;display:flex;justify-content:center;padding-top:14px;
  transition:var(--transition);
}
.hero-scroll span{width:4px;height:10px;border-radius:4px;background:var(--primary);animation:scrollDown 2s infinite;}
@keyframes scrollDown{0%{transform:translateY(0);opacity:1;}70%{transform:translateY(14px);opacity:0;}100%{transform:translateY(0);opacity:0;}}
.hero-scroll:hover{background:rgba(46,197,255,0.15);border-color:var(--primary);}

.slider-section{position:relative;padding-top:55px;}
.slider-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 2px 28px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.slider-track::-webkit-scrollbar{display:none;}
.slide-card{
  flex:0 0 280px;scroll-snap-align:start;border-radius:var(--radius-card);overflow:hidden;position:relative;
  background:var(--card-bg);border:1px solid var(--board);backdrop-filter:blur(12px) saturate(130%);-webkit-backdrop-filter:blur(12px) saturate(130%);
  transition:var(--transition);
}
.slide-card:hover{transform:translateY(-8px);border-color:rgba(46,197,255,0.42);box-shadow:0 18px 36px rgba(0,0,0,0.28),0 0 30px rgba(46,197,255,0.13);}
.slide-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.slide-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.slide-card:hover .slide-cover img{transform:scale(1.05);}
.slide-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(5,8,15,0.8),transparent 44%);}
.slide-badge{
  position:absolute;top:14px;left:14px;z-index:3;font-size:12px;font-weight:600;
  padding:5px 13px;border-radius:var(--radius-pill);background:rgba(5,10,18,0.72);
  border:1px solid rgba(56,242,212,0.4);color:#ccfff5;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 4px 12px rgba(0,0,0,0.25);
}
.slide-badge.hot{color:#ffe0a3;border-color:rgba(242,192,99,0.5);}
.slide-body{padding:20px 20px 22px;}
.slide-body .sl-meta{font-size:12px;color:var(--text-3);display:flex;gap:8px;align-items:center;margin-bottom:8px;letter-spacing:.03em;}
.slide-body .sl-title{font-size:18px;font-weight:600;line-height:1.5;color:#fff;}
.slide-body .sl-desc{font-size:13px;color:var(--text-2);margin-top:8px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slide-link{
  margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--primary);
}
.slide-link span{transition:transform .3s;}
.slide-card:hover .slide-link span{transform:translateX(5px);}

.hot-section{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 60%,var(--bg) 100%);}
.hot-wrap{display:grid;grid-template-columns:1.02fr 1.32fr;gap:30px;align-items:stretch;}
.hot-main{
  position:relative;border-radius:24px;overflow:hidden;min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
  border:1px solid rgba(255,255,255,0.1);box-shadow:0 20px 40px rgba(0,0,0,0.28);
}
.hot-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.hot-main::after{content:"";position:absolute;inset:0;background:linear-gradient(6deg,rgba(5,8,15,0.94) 20%,rgba(5,8,15,0.32) 60%,rgba(5,8,15,0.2));}
.hot-main-body{position:relative;z-index:2;padding:30px;}
.hot-main-body .hm-tag{font-size:12px;letter-spacing:1px;color:var(--accent);font-weight:600;}
.hot-main-body h3{font-size:24px;line-height:1.5;margin:8px 0 10px;color:#fff;font-weight:700;}
.hot-main-body p{color:var(--text-2);font-size:14px;max-width:410px;}
.hm-btn{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-weight:600;color:var(--primary);font-size:14px;padding:8px 2px;}
.hm-btn span{transition:transform .3s;}
.hot-main:hover .hm-btn span{transform:translateX(5px);}
.hot-list{display:flex;flex-direction:column;justify-content:center;gap:10px;}
.hot-row{
  display:grid;grid-template-columns:46px auto 1fr auto auto;align-items:center;gap:16px;padding:16px 18px;border-radius:18px;
  background:rgba(255,255,255,0.035);border:1px solid rgba(255,255,255,0.07);transition:var(--transition);
}
.hot-row:hover{background:rgba(255,255,255,0.08);border-color:rgba(46,197,255,0.3);transform:translateX(-4px);box-shadow:0 8px 22px rgba(0,0,0,0.16);}
.hot-num{font-size:18px;font-weight:800;color:rgba(255,255,255,0.16);letter-spacing:-0.05em;font-variant-numeric:tabular-nums;}
.hot-tag{font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);background:rgba(46,197,255,0.12);color:var(--primary);border:1px solid rgba(46,197,255,0.24);white-space:nowrap;}
.hot-tag.tag-2{background:rgba(242,192,99,0.1);color:var(--warm);border-color:rgba(242,192,99,0.24);}
.hot-title{color:var(--text);font-size:15px;font-weight:500;line-height:1.6;transition:color .3s;}
.hot-row:hover .hot-title{color:#fff;}
.hot-meta{font-size:13px;color:var(--text-3);white-space:nowrap;}
.hot-arrow{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid rgba(255,255,255,0.14);color:var(--text-2);transition:var(--transition);font-size:16px;}
.hot-row:hover .hot-arrow{background:var(--primary);border-color:var(--primary);color:#04101e;box-shadow:0 0 16px rgba(46,197,255,0.3);transform:rotate(-45deg);}

.curated-section{position:relative;}
.curated-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;}
.curated-card{
  border-radius:24px;background:var(--card-bg);border:1px solid var(--board);overflow:hidden;
  backdrop-filter:blur(12px) saturate(120%);-webkit-backdrop-filter:blur(12px) saturate(120%);
  transition:var(--transition);display:flex;flex-direction:column;
}
.curated-card:hover{border-color:rgba(46,197,255,0.34);box-shadow:0 18px 42px rgba(0,0,0,0.28),0 0 30px rgba(46,197,255,0.08);}
.curated-media{position:relative;aspect-ratio:16/7;overflow:hidden;}
.curated-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.curated-card:hover .curated-media img{transform:scale(1.04);}
.curated-media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,11,20,0.85),transparent 60%);}
.curated-badge{position:absolute;top:16px;left:16px;z-index:3;font-size:13px;font-weight:700;padding:5px 15px;border-radius:var(--radius-pill);color:#04101e;background:var(--primary);box-shadow:0 4px 16px rgba(46,197,255,0.3);}
.curated-badge.apply{background:var(--warm);box-shadow:0 4px 16px rgba(242,192,99,0.24);}
.curated-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1;}
.curated-body .cut-title{font-size:21px;font-weight:700;line-height:1.5;color:#fff;}
.curated-body .cut-desc{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.8;}
.mini-list{margin-top:18px;display:flex;flex-direction:column;gap:5px;}
.mini-list li{
  display:flex;gap:10px;align-items:baseline;padding:8px 2px;border-bottom:1px dashed rgba(255,255,255,0.09);font-size:14px;color:var(--text-2);
  transition:color .25s;
}
.mini-list li::before{content:"·";font-weight:800;color:var(--primary);}
.mini-list li:hover{color:#fff;}
.mini-list a{flex:1;display:flex;justify-content:space-between;gap:10px;align-items:center;}
.mini-list a span{color:var(--text-3);transition:transform .2s;}
.mini-list a:hover span{transform:translateX(4px);color:var(--primary);}
.curated-btn{margin-top:auto;padding-top:24px;display:flex;justify-content:flex-end;}

.news-section{position:relative;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-3) 52%,var(--bg) 100%);}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.news-card{
  border-radius:20px;background:rgba(255,255,255,0.045);border:1px solid rgba(255,255,255,0.08);
  padding:24px;backdrop-filter:blur(12px) saturate(120%);-webkit-backdrop-filter:blur(12px) saturate(120%);
  transition:var(--transition);display:flex;flex-direction:column;
}
.news-card:hover{border-color:rgba(46,197,255,0.36);background:rgba(255,255,255,0.075);box-shadow:0 16px 32px rgba(0,0,0,0.2),0 0 26px rgba(46,197,255,0.08);transform:translateY(-4px);}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.news-card-top .nc-cat{font-size:12px;color:var(--primary);font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);background:rgba(46,197,255,0.11);border:1px solid rgba(46,197,255,0.24);}
.news-card-top time{font-size:12px;color:var(--text-3);}
.news-card h3{font-size:18px;line-height:1.6;font-weight:600;color:#fff;margin-bottom:10px;}
.news-card h3 a{transition:color .25s;}
.news-card h3 a:hover{color:var(--primary);}
.news-card .nc-desc{font-size:14px;color:var(--text-2);line-height:1.8;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .nc-link{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);width:max-content;}
.news-card .nc-link span{transition:transform .25s;}
.news-card:hover .nc-link span{transform:translateX(5px);}

.news-empty{
  grid-column:1/-1;border:1.5px dashed rgba(255,255,255,0.22);border-radius:22px;background:rgba(255,255,255,0.02);
  padding:56px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-2);text-align:center;
}
.news-empty .empty-icon{width:54px;height:54px;border-radius:18px;background:rgba(255,255,255,0.06);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--text-3);}
.news-empty p{font-size:14px;letter-spacing:.04em;}

.faq-section{padding:100px 0;}
.faq-inner{max-width:800px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:34px;}
.faq-item{border:1px solid rgba(255,255,255,0.09);border-radius:18px;background:rgba(255,255,255,0.035);overflow:hidden;transition:var(--transition);}
.faq-item:hover{border-color:rgba(255,255,255,0.18);}
.faq-item.active{border-color:rgba(46,197,255,0.36);background:rgba(46,197,255,0.05);box-shadow:0 0 30px rgba(46,197,255,0.07);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:20px 24px;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:#eef4f9;line-height:1.5;border-radius:18px;
}
.faq-q .icon{flex:0 0 30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,0.2);color:var(--primary);display:flex;align-items:center;justify-content:center;transition:var(--transition);position:relative;}
.faq-q .icon::before{content:"+";font-size:20px;line-height:1;font-weight:300;}
.faq-item.active .faq-q .icon{background:var(--primary);border-color:var(--primary);color:#04101e;transform:rotate(180deg);}
.faq-item.active .faq-q .icon::before{content:"−";}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 26px;}
.faq-a-inner{padding-bottom:22px;color:var(--text-2);font-size:15px;line-height:1.9;border-top:1px dashed rgba(255,255,255,0.12);padding-top:16px;}
.faq-a-inner a{color:var(--accent);border-bottom:1px solid rgba(56,242,212,0.4);padding-bottom:1px;transition:color .2s;}
.faq-a-inner a:hover{color:#fff;border-color:#fff;}

.cta-section{position:relative;padding:0 0 100px;}
.cta-banner{
  position:relative;border-radius:28px;overflow:hidden;padding:74px 60px;
  background:linear-gradient(140deg,rgba(14,22,38,0.98),rgba(8,13,23,0.98));
  border:1px solid rgba(255,255,255,0.12);text-align:center;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;
  opacity:0.32;z-index:0;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(46,197,255,0.18),transparent 55%),linear-gradient(180deg,rgba(5,8,15,0.5),rgba(5,8,15,0.6));z-index:1;
}
.cta-content{position:relative;z-index:2;}
.cta-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);background:rgba(38,242,212,0.1);border:1px solid rgba(56,242,212,0.3);padding:6px 16px;border-radius:var(--radius-pill);}
.cta-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(0.8);}}
.cta-banner h2{font-size:clamp(24px,3.6vw,40px);font-weight:800;line-height:1.35;color:#fff;margin:18px 0 14px;letter-spacing:-0.02em;}
.cta-banner p{max-width:560px;margin:0 auto;color:#b9c5d6;font-size:15px;line-height:1.9;}
.cta-actions{display:flex;justify-content:center;gap:16px;margin-top:30px;flex-wrap:wrap;}
.play-orbit{
  width:88px;height:88px;margin:0 auto 6px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(46,197,255,0.2),rgba(56,242,212,0.16));border:1px solid rgba(255,255,255,0.14);
  position:relative;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.play-orbit::before{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px dashed rgba(46,197,255,0.3);animation:rotateCircle 12s linear infinite;}
.play-orbit i{width:0;height:0;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:5px;}
@keyframes rotateCircle{to{transform:rotate(360deg);}}

.site-footer{
  background:rgba(2,4,9,0.72);border-top:1px solid rgba(255,255,255,0.07);position:relative;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.footer-main{max-width:1280px;margin:0 auto;padding:64px 28px 36px;display:grid;grid-template-columns:1.6fr 0.8fr 1fr;gap:44px;}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;}
.footer-logo .b-dot{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-flex;align-items:center;justify-content:center;color:#04101e;font-weight:800;}
.footer-desc{color:var(--text-2);font-size:14px;margin-top:18px;max-width:380px;line-height:1.9;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.08em;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--text-2);font-size:14px;transition:color .25s;display:inline-flex;align-items:center;gap:7px;}
.footer-col a::before{content:"→";font-size:12px;color:var(--primary);transition:transform .2s;}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{max-width:1280px;margin:0 auto;padding:20px 28px 34px;display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;align-items:center;border-top:1px solid rgba(255,255,255,0.06);}
.footer-bottom p{color:var(--text-3);font-size:13px;}
.footer-bottom .site-domain{color:#8797ab;font-weight:500;letter-spacing:.05em;}

@media (max-width:1023px){
  .hot-wrap{grid-template-columns:1fr;}
  .hot-main{min-height:360px;}
  .curated-grid{grid-template-columns:1fr;}
  .section{padding:84px 0;}
  .container{padding:0 20px;}
}
@media (max-width:767px){
  .brand-text{font-size:15px;}
  .navbar{padding:8px 16px;}
  .nav-burger{display:flex;}
  .nav-menu{
    position:fixed;top:74px;left:16px;right:16px;background:rgba(5,8,15,0.96);border:1px solid rgba(255,255,255,0.12);
    border-radius:20px;padding:16px;flex-direction:column;align-items:stretch;opacity:0;pointer-events:none;
    transform:translateY(-12px);transition:var(--transition);box-shadow:0 24px 50px rgba(0,0,0,0.5);
    backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  }
  .nav-menu.open{opacity:1;pointer-events:auto;transform:none;}
  .nav-link{padding:14px 18px;text-align:center;font-size:16px;border-radius:14px;}
  .nav-link.is-active::after{display:none;}
  .desktop-only{display:none;}
  .hero{padding-top:130px;padding-bottom:72px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .slide-card{flex-basis:210px;}
  .section-title{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .news-grid{grid-template-columns:1fr;}
  .hot-row{grid-template-columns:34px 1fr auto;gap:10px;padding:13px 14px;border-radius:15px;}
  .hot-num{font-size:15px;}
  .hot-meta{display:none;}
  .hot-tag{font-size:11px;padding:4px 9px;}
  .hot-arrow{width:32px;height:32px;}
  .hot-title{font-size:14px;}
  .faq-q{font-size:15px;padding:17px 17px;}
  .faq-a-inner{font-size:14px;}
  .cta-banner{padding:52px 22px;}
  .cta-actions .btn{width:100%;}
  .curated-body{padding:22px 20px;}
  .footer-main{grid-template-columns:1fr;gap:30px;padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;justify-content:center;text-align:center;}
  .section{padding:70px 0;}
}
@media (max-width:520px){
  .navbar{left:8px;right:8px;}
  .nav-menu{left:8px;right:8px;}
  .site-header{left:8px;right:8px;}
  .hero-actions{flex-direction:column;}
  .slide-card{flex-basis:190px;}
  .curated-media{aspect-ratio:16/8;}
  .news-card{padding:20px;}
  .brand-text small{display:none;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#05080f;
  --bg-body:#070b14;
  --bg-soft:#0b111d;
  --bg-card:#0e1626;
  --primary:#2ec5ff;
  --primary-deep:#3b9fff;
  --accent:#38f2d4;
  --warm:#f2c063;
  --text-hi:#f3f7fb;
  --text-mid:#a4b3c6;
  --text-low:#66768c;
  --line:rgba(255,255,255,0.10);
  --line-soft:rgba(255,255,255,0.06);
  --glass-bg:rgba(255,255,255,0.04);
  --glass-border:rgba(255,255,255,0.10);
  --shadow-card:0 8px 24px rgba(0,0,0,0.25);
  --shadow-glow:0 0 40px rgba(46,197,255,0.08);
  --radius-lg:22px;
  --radius-md:15px;
  --radius-sm:10px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container-w:1280px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:15px;
  line-height:1.75;
  background:var(--bg-body);
  color:var(--text-hi);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .25s}
a:hover{color:#fff}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;border:none;outline:none;background:none;color:inherit}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px;position:relative;z-index:2}
body::before{
  content:'';
  position:fixed;
  inset:0;
  background:
    radial-gradient(ellipse at 70% 22%,rgba(46,197,255,0.05),transparent 46%),
    radial-gradient(ellipse at 12% 76%,rgba(56,242,212,0.03),transparent 42%),
    radial-gradient(rgba(255,255,255,0.018) 1px,transparent 1px);
  background-size:100% 100%,100% 100%,32px 32px;
  pointer-events:none;
  z-index:0;
}

/* 导航 */
.site-header{
  position:fixed;
  top:14px;
  left:0;
  right:0;
  z-index:1000;
  padding:0 14px;
  pointer-events:none;
}
.navbar{
  pointer-events:auto;
  max-width:1100px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:10px 18px 10px 22px;
  background:rgba(5,8,15,0.70);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 10px 36px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.04);
  transition:background .3s;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 5%,var(--primary-deep) 95%);
  box-shadow:0 0 18px rgba(46,197,255,0.35);
  position:relative;
  transform:rotate(45deg);
  overflow:hidden;
}
.brand-mark::after{
  content:'';
  position:absolute;
  inset:8px;
  background:var(--bg-deep);
  border-radius:5px;
  border:2px solid rgba(46,197,255,0.3);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:0.4px;
  color:var(--text-hi);
  white-space:nowrap;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-mid);
  transition:all .25s;
  white-space:nowrap;
}
.nav-link:hover{
  color:var(--text-hi);
  background:rgba(255,255,255,0.06);
}
.nav-link.is-active{
  color:#fff;
  background:rgba(46,197,255,0.13);
  box-shadow:inset 0 0 0 1px rgba(46,197,255,0.18);
  font-weight:600;
}
.nav-link.is-active::after{
  content:'';
  width:20px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  position:absolute;
  bottom:1px;
  box-shadow:0 0 8px var(--primary);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.btn{
  font-family:var(--font);
  padding:10px 20px;
  border:none;
  cursor:pointer;
  transition:all .3s ease;
  font-size:14px;
  font-weight:600;
  line-height:1.2;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#062030;
  border-radius:999px;
  box-shadow:0 4px 24px rgba(46,197,255,0.25);
}
.btn-ghost{
  background:transparent;
  color:var(--text-hi);
  padding:12px 24px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.25);
}
.btn-ghost:hover{
  border-color:rgba(46,197,255,0.65);
  color:#fff;
  background:rgba(255,255,255,0.05);
  font-weight:600;
  box-shadow:0 0 0 2px rgba(46,197,255,0.12);
}
.nav-burger{
  width:40px;
  height:40px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
  border:1px solid var(--line);
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-burger span{
  width:16px;height:2px;
  background:var(--text-hi);border-radius:2px;
  transition:all .3s;
}
.nav-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-burger.is-open span:nth-child(2){opacity:0}
.nav-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-header .btn-primary{
  padding:9px 18px;
}
.mobile-menu{
  display:none;
  position:fixed;
  top:80px;
  left:16px;
  right:16px;
  z-index:999;
  padding:18px;
  background:rgba(5,8,15,0.92);
  backdrop-filter:blur(24px) saturate(130%);
  -webkit-backdrop-filter:blur(24px) saturate(130%);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 12px 40px rgba(0,0,0,0.4);
}
.mobile-menu .mobile-link{
  display:block;
  padding:14px 16px;
  border-radius:12px;
  color:var(--text-mid);
  font-weight:500;
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.mobile-menu .mobile-link:last-child{border-bottom:none}
.mobile-menu .mobile-link:hover,
.mobile-menu .mobile-link.is-active{
  background:rgba(46,197,255,0.10);
  color:#fff;
}

/* Hero */
.hero{
  position:relative;
  min-height:82vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:140px 0 70px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.png') no-repeat center 30% / cover;
  z-index:0;
  pointer-events:none;
  transform:scale(1.02);
  animation:heroZoom 24s ease-in-out infinite alternate;
}
@keyframes heroZoom{
  from{transform:scale(1) translateY(0)}
  to{transform:scale(1.035) translateY(-10px)}
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(5,8,15,0.34) 0%,rgba(5,8,15,0.42) 30%,rgba(5,8,15,0.80) 72%,var(--bg-body) 100%),
    radial-gradient(ellipse at 50% 105%,transparent 38%,rgba(5,8,15,0.64) 84%);
  z-index:1;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:860px;
  text-align:center;
  padding:0 24px;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.hero-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:2.5px;
  color:var(--primary);
  text-transform:uppercase;
  background:rgba(46,197,255,0.1);
  border:1px solid rgba(46,197,255,0.22);
  padding:7px 18px;
  border-radius:999px;
  backdrop-filter:blur(8px);
  margin-bottom:22px;
}
.hero-inner h1{
  font-size:47px;
  font-weight:800;
  line-height:1.32;
  letter-spacing:-0.4px;
  color:#fff;
  text-shadow:0 2px 30px rgba(0,0,0,0.3);
}
.hero-inner h1 em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 50px rgba(46,197,255,0.28);
}
.hero-sub{
  margin-top:18px;
  max-width:680px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-mid);
  text-shadow:0 2px 16px rgba(5,8,15,0.65);
}
.hero-sub strong{
  color:var(--text-hi);
}
.hero-actions{
  margin-top:34px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:center;
}
.btn-primary.big{
  padding:14px 30px;
  font-size:15px;
}
.btn-outline{
  padding:13px 30px;
  border-radius:999px;
  font-size:15px;
  border:1px solid rgba(255,255,255,0.28);
  color:var(--text-hi);
  background:rgba(5,8,15,0.2);
  backdrop-filter:blur(8px);
}
.btn-outline:hover{
  border-color:var(--primary);
  box-shadow:0 0 20px rgba(46,197,255,0.12);
}
.btn i{
  font-size:14px;
}
.hero-scroll{
  position:absolute;
  bottom:18px;
  left:50%;
  transform:translateX(-50%);
  z-index:5;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  font-size:11px;
  color:rgba(255,255,255,0.55);
  animation:bob 5s cubic-bezier(.19,.67,.34,1.1) infinite;
}
.hero-scroll span{
  width:6px;height:6px;
  border-right:2px solid rgba(255,255,255,0.6);
  border-bottom:2px solid rgba(255,255,255,0.6);
  transform:rotate(45deg);
}
@keyframes bob{
  0%,100%{bottom:22px}
  50%{bottom:12px}
}

/* 文字标签 */
.hero-tag-up, .section-tag-up{
  display:inline-block;
  background:linear-gradient(90deg,rgba(46,197,255,0.13),rgba(56,242,212,0.05));
  border:1px solid rgba(46,197,255,0.25);
  color:var(--primary);
  border-radius:999px;
  padding:8px 15px;
  font-size:12px;
  letter-spacing:1px;
}
.section-tag-side{
  color:var(--primary);
  font-size:15px;
  font-weight:500;
  border-left:3px solid var(--primary);
  padding-left:10px;
}

/* Section header */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:14px;
  flex-wrap:wrap;
  gap:12px;
}
.section-head-text{
  display:flex;
  flex-direction:column;
  gap:5px;
}
.section-title{
  font-size:32px;
  font-weight:800;
  color:#fff;
  line-height:1.3;
}
.section-title span{
  color:var(--accent);
  font-weight:600;
}
.theme-line{
  width:84px;
  height:5px;
  background:linear-gradient(90deg,var(--warm) 0%,rgba(242,192,99,0.2) 50%,transparent 90%);
  border-radius:3px;
  margin-top:0px;
}
.link-all{
  font-weight:600;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.13);
  color:var(--text-mid);
  transition:all .3s;
}
.link-all:hover{
  border-color:var(--primary);
  background:rgba(46,197,255,0.08);
  color:#fff;
}

/* Sections */
.page-main{
  position:relative;
  z-index:3;
}
.section{
  padding:96px 0;position:relative;
  background:transparent;
}
.section-glow::before{
  content:'';
  position:absolute;
  left:-180px;top:70%;
  width:420px;height:420px;
  background:radial-gradient(closest-side,rgba(46,197,255,0.05),transparent);
  pointer-events:none;
}

/* 横向横滑 */
.slide-area{
  position:relative;
  margin-top:22px;
}
.slide-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  padding-bottom:10px;
  margin-bottom:-15px;
  scrollbar-width:none;
  cursor:grab;
  user-select:none;
}
.slide-track::-webkit-scrollbar{display:none}
.slide-track:active{cursor:grabbing}
.slide-track .card{
  min-width:280px;
  width:280px;
  flex-shrink:0;
}

/* Cards */
.card{
  background:linear-gradient(180deg,rgba(255,255,255,0.055) 0%,rgba(14,22,38,0.4) 100%);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:16px;
  transition:all .3s;
}
.card:hover{
  border-color:rgba(52,211,235,0.2);
  box-shadow:0 8px 30px rgba(0,0,0,0.2);
}
.card-media{
  border-radius:12px;
  overflow:hidden;
  position:relative;
  margin-bottom:12px;
  aspect-ratio:16/9;
  border:1px solid rgba(255,255,255,0.1);
}
.card-media a{
  display:block;
  width:100%;height:100%;
}
.card-status{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  padding:5px 9px;
  background:rgba(0,0,0,0.63);
  box-shadow:0 1px 12px rgba(0,0,0,0.12);
  color:#fff;
  font-size:12px;
  border:1px solid rgba(255,255,255,0.15);
  border-radius:999px;
  backdrop-filter:blur(10px);
  letter-spacing:0.5px;
  line-height:1.4;
}
.card-status i{
  color:var(--warm);
  margin-right:4px;
}
.card-title{
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:9px;
  letter-spacing:0.2px;
  line-height:1.55;
}
.card-desc{
  color:var(--text-low);
  line-height:1.75;
  font-size:14px;
}
.card-link{
  display:inline-block;
  font-weight:600;
  color:var(--primary);
  font-size:14px;
  margin-top:12px;
  padding-left:3px;
  transition:color .3s;
}
.card-foot{
  transform:translateY(3px);
  transition:transform .3s;
}
.card:hover .card-foot a{
  box-shadow:0 1px 18px rgba(46,197,255,0.14);
}
.card-foot a{
  border:1px solid rgba(255,255,255,0.16);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:36px;
  border-radius:39px;
  font-size:14px;
  width:fit-content;
  padding-left:20px;
  padding-right:20px;
}

/* 热播 */
.block-divider{
  border-top:1px solid rgba(255,255,255,0.04);
}
.hot-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.row-list-elem{
  background:rgba(255,255,255,0.03);
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:background .25s, transform .25s;
  padding:6px 13px;
  align-items:center;
}
.row-list-elem:last-child{border-bottom:none}
.link-card-b{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:16px;
  padding:25px;
  width:100%;
  display:block;
  text-decoration:none;
  transition:border-color .35s, transform .35s, box-shadow .35s;
  position:relative;
  backdrop-filter:blur(15px);
}
.link-card-b h4{
  color:var(--text-hi);
  font-size:20px;
  font-weight:700;
  letter-spacing:-0.2px;
}
.link-card-b p{
  color:var(--text-mid);
  margin-top:8px;
  font-size:14px;
  line-height:1.8;
}
.link-card-b i{
  color:var(--primary);
  font-size:22px;
  transition:transform .35s;
}
.link-card-b:hover{color:#fff}
.link-card-b:hover,
.link-card-b:focus{
  border-color:rgba(84,200,255,0.3);
  background:rgba(255,255,255,0.09);
  transform:translateY(-3px);
  box-shadow:0 4px 36px rgba(0,0,0,0.18);
}
.link-card-b:hover i{transform:translateX(5px)}

/* Grid */
.grid-3{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}

/* 图集布局 */
.theater-wrap{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent),
    linear-gradient(180deg,rgba(255,255,255,0.04),rgba(5,8,15,0.2));
  border:1px solid rgba(255,255,255,0.09);
  border-radius:22px;
  overflow:hidden;
}
.theater-left{
  min-height:390px;
  background:url('/assets/images/backpic/back-2.png') no-repeat center 80% / cover;
  border-right:1px solid rgba(255,255,255,0.04);
}
.theater-right{
  background:rgba(255,255,255,0.02);
  padding:28px 26px 26px;
  display:flex;
  flex-direction:column;
  border-radius:0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.05);
}
.theater-right .tv-wrap{
  padding:18px 0 0;
}
.theater-list-items{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-top:18px;
}
.theater-item{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px;
  border-radius:10px;
  background:rgba(255,255,255,0.03);
  transition:all .25s;
  text-decoration:none;
  color:var(--text-mid);
  font-size:13px;
  border:1px solid transparent;
}
.theater-item:hover{
  background:rgba(255,255,255,0.07);
  border-color:var(--line);
  color:var(--text-hi);
  box-shadow:0 2px 16px rgba(0,0,0,0.25);
}
.theater-item:hover i{opacity:1}
.theater-item span{
  color:var(--text-low);
  font-size:12px;
  white-space:nowrap;
}

/* channel */
.block-channel .grid-block{
  grid-gap:26px;
  margin:0 auto;
}
.two-split{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:4px 18px;
}
.v-list{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:20px;
  border:1px solid rgba(255,255,255,0.07);
}
.v-list .v-item+.v-item{border-top:1px solid rgba(255,255,255,0.03)}
.v-item{
  display:flex;
  gap:12px;
  flex-wrap:nowrap;
  align-items:center;
  width:100%;
  padding:14px 16px;
  background:rgba(255,255,255,0.02);
  transition:background .25s;
  border-radius:12px;
  margin-bottom:2px;
}
.v-item:hover{background:rgba(255,255,255,0.065)}
.v-cover{
  flex:0 0 56px;
  width:54px;
  height:54px;
  border:0px solid rgba(0,0,0,0.55);
  border-radius:12px;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.no-image{
  background:linear-gradient(135deg, rgba(46,197,255,0.15), rgba(255,255,255,0.12));
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
}
.v-meta{
  flex:1;
  line-height:1.5;
  min-width:0;
}
.v-meta h4{font-size:15px;color:var(--text-hi);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v-meta span{color:var(--text-low);font-size:12px}
.v-item a{
  color:var(--text-mid);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:5px;
  transition:all .25s;
  font-size:13px;
}
.v-item a i{font-size:12px;color:var(--primary)}
.v-item:hover a{color:#fff}
.v-item .v-arrow{
  color:var(--text-low);
}
.v-item:hover .v-arrow{color:var(--primary)}

/* faq */
.faq-item{
  margin-bottom:8px;
  border-radius:20px;
}
.faq-q{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.07);
  border-radius:17px;
  transition:all .3s;
}
.faq-q:hover{
  background:rgba(255,255,255,0.07);
}
.faq-question{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:15px 16px;
  text-align:left;
  color:var(--text-hi);
  font-weight:600;
  line-height:1.7;
  font-size:16px;
  cursor:pointer;
}
.faq-question .chev{
  flex:0 0 28px;
  height:28px;
  background:rgba(55,200,255,0.1);
  border-radius:50%;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  border:1px solid rgba(59,160,255,0.18);
  transition:all .3s;
}
.faq-answer{
  padding:0;
  max-height:0;
  overflow:hidden;
  transition:max-height .45s ease, padding .3s ease, opacity .3s;
  opacity:0;
  background:rgba(255,255,255,0.02);
  border-bottom:1px solid transparent;
  border-radius:0 0 15px 15px;
}
.faq-item:has(.faq-question[aria-expanded="true"]) .faq-answer,
.faq-item .faq-answer.open{
  max-height:600px;
  padding:0 16px 18px;
  opacity:1;
  border-bottom-color:rgba(255,255,255,0.03);
}
.faq-answer p{
  color:var(--text-mid);
  font-size:15px;
}
.faq-answer.open p{
  border-left:3px solid var(--primary);
  padding-left:14px;
}

/* featured big card etc */
.glass-panel{
  background:rgba(255,255,255,0.03);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:28px;
  box-shadow:var(--shadow-card),var(--shadow-glow);
}
.feature-banner{
  background:linear-gradient(135deg, rgba(46,197,255,0.09),rgba(255,255,255,0.02) 62%),var(--bg-card);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:26px;
  background-image:url('/assets/images/coverpic/cover-7.webp');
  background-position:90% 15%;
  background-repeat:no-repeat;
  background-size:464px auto;
  padding:44px 34px;
  backdrop-filter:blur(12px);
}
.search-row{
  display:flex;
  align-items:center;
  background:rgba(5,8,15,0.5);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:999px;
  padding:6px 6px 6px 15px;
  gap:12px;
  max-width:400px;
}
.search-row i{
  color:var(--primary);
  font-size:15px;
  margin-top:1px;
}
.search-row input{
  flex:1;
  background:transparent;
  color:#fff;
  font-size:14px;
}
.search-row button{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#062030;
  font-size:14px;
  font-weight:700;
  border-radius:999px;
  padding:9px 18px;
  cursor:pointer;
  transition:all .3s;
}

/* CTA */
.cta-section{
  position:relative;
  padding:90px 0;
}
.cta-card{
  background:linear-gradient(152deg,rgba(9,14,25, .4) 0%,rgba(23,27,34,0.65) 100%);
  border-radius:28px;
  border:1px solid rgba(255,255,255,0.10);
  padding:53px 34px 45px;
  text-align:center;
  max-width:1000px;
  margin:0 auto;
  backdrop-filter:blur(20px);
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:-80px;left:50%;
  transform:translateX(-50%);
  width:450px;height:210px;
  background:radial-gradient(closest-side,rgba(90,170,255,0.26) 0%,transparent 70%);
  pointer-events:none;
}
.cta-icon{
  width:56px;height:56px;
  background:var(--primary);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 14px;
  font-size:21px;
  color:rgba(5,11,20,0.7);
  box-shadow:0 0 36px var(--primary);
}
.cta-title{
 font-size:30px;
 font-weight:800;
 line-height:1.35;
}
.cta-title .brand-color{
 color:var(--primary-color);
}
.cta-txt{color:var(--text-low);margin-top:8px;}
.cta-txt a{color:var(--primary)}
.cta-btns{justify-content:center;display:flex;gap:12px;margin-top:2px}

/* footer */
.site-footer{
  background:linear-gradient(180deg, rgba(5,8,15,0) 0%, rgba(5,8,15,0.3) 30%, var(--bg-deep) 100%);
  padding:64px 0 22px;
  position:relative;
  z-index:4;
  border-top:1px solid rgba(255,255,255,0.06);
  margin-top:12px;
}
.footer-main{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  justify-content:space-between;
  gap:44px;
  flex-wrap:wrap;
}
.footer-brand{
  flex:1 1 300px;
  display:flex;
  flex-direction:column;
  gap:13px;
}

.footer-logo{
  display:flex;
  align-items:center;
  gap:23px;
  font-size:19px;
  font-weight:700;
}
.footer-logo span{
  font-weight:700;
}
.b-dot{
  width:22px;height:22px;
  border-radius:6px;
  background:var(--primary);
  color:#04090d;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:900;
  box-shadow:0 0 22px rgba(46,197,255,0.5);
}
.footer-desc{
  color:var(--text-mid);
  font-size:14px;
  line-height:1.9;
  max-width:370px;
}
.footer-col{
  display:flex;
  flex-direction:column;
}
.footer-col h4{
  font-size:15px;
  letter-spacing:0.4px;
  margin-bottom:10px;
  text-transform:uppercase;
  color:rgb(124,155,175);
}
.footer-col ul li{
  font-size:14px;
  margin-bottom:13px;
}
.footer-col li a{
  color:var(--text-mid);
}
.footer-col a{
  color:var(--text-mid);
  transition:color .22s;
}
.footer-col li a:hover{color:#fff}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  max-width:1200px;
  margin:10px auto 0;
  padding:19px 24px;
  border-top:1px solid rgba(255,255,255,0.04);
  font-size:13px;
  color:var(--text-low);
}
.footer-bottom p{
  margin:10px 4px;
}
.site-domain{
  color:var(--text-low);
  letter-spacing:0.5px;
}
.footer-link-hover{
  transition:all .2s;
}
.footer-link-hover:hover{padding-left:2px}
.site-footer ul.col{
  line-height:2.4;
  color:var(--text-mid);
}
.site-footer ul.col i{
  width:26px;
  color:var(--warm);
  font-size:13px;
}
.site-footer .contact p a{
  color:var(--text-mid);
}

/* 示例新增 */
.btn-tiny{
  font-size:13px;padding:7px 13px;
}
.sub-filter{
  display:inline-block;
  background:rgba(255,255,255,0.09);
  padding:4px 12px;
  border-radius:20px;
  color:var(--text-mid);
  font-size:11px;
  margin-top:14px;
}

/* tag component */
.tag-small{
  display:inline-block;
  background:rgba(0,0,0,0.4);
  backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,0.1);
  color:var(--text-low);
  width:auto;
  border-radius:12px;
  padding:2px 8px;
  font-size:11px;margin-left:9px;margin-top:2px;
}

/* top visual tag */
.tag-date{
  display:flex;
  align-items:center;
  font-size:11px;
  gap:7px;
  margin-top:8px;
  column-gap:14px;
  color:var(--text-low);
  flex-wrap:wrap;
}
.tag-date span{
  background:rgba(255,255,255,0.07);
  padding:3px 11px;
  align-self:center;
  border-radius:6px;
}

/* title line */
.m-line{
  font-size:36px;
  font-weight:800;
  margin:6px 0 7px;
}
.ch3{
  font-size:17px;
  color:var(--text-low);
}
.section-subhead{
  font-size:15px;
  color:var(--text-mid);
  display:block;
  margin-top:2px;
  line-height:1.6;
}
.footnote{
  color:rgb(120,140,165);
  background:rgba(255,255,255,0.03);
  display: inline-block;
  border-radius:10px;
  border-bottom:3px solid rgba(0,0,0,0.06);
  font-size:15px;
  padding:13px 16px;
  margin:16px 0 0;
}
.fs-28{font-size:28px}
.mb14{margin-bottom:14px}
.mt20{margin-top:20px}.mt14{margin-top:14px}
.mr6{margin-right:6px}
.aligncenter{text-align:center}

@media (max-width:1024px){
  .section{ padding:78px 0}
  .hero-inner h1{font-size:36px}
  .theater-wrap{grid-template-columns:1fr}
  .theater-left{min-height:250px;background-size:cover;background-position:top}
  .theater-right{padding:24px 20px}
  .two-split{grid-template-columns:1fr}
  .nav-menu{display:none}
  .nav-burger{display:flex}
  .nav-actions .btn{display:none}
  .desktop-only{display:none!important}
  .grid-6{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .footer-main{display:grid;grid-template-columns:1fr 1fr;gap:21px}
  .footer-brand{grid-column:1/-1}
  .feature-banner{background-size:250px;padding:25px}
}
@media(max-width:768px){
  body{font-size:15px}
  .container{padding:0 18px}
  .site-header{top:8px}
  .navbar{padding:8px 13px 8px 16px}
  .brand-text{font-size:15px}
  .hero{padding:120px 0 50px}
  .hero-inner h1{font-size:30px}
  .hero-scroll{display:none}
  .card{min-width:220px}
  .slide-track .card{min-width:220px;width:220px}
  .grid-6{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:26px}
  .section-title{font-size:24px;line-height:1.4}
  .section{padding:64px 0}
  .footer-bottom{display:block;font-size:12px;text-align:center}
}
@media(max-width:520px){
  .navbar{padding:7px 10px 7px 12px; gap:8px}
  .brand-mark{width:31px;height:31px}
  .brand-text{font-size:14px}
  .hero-inner h1{font-size:26px;line-height:1.38}
  .btn-primary.big,.btn-outline{width:auto;display:inline-flex;padding-left:22px;padding-right:22px}
  .hero-actions{flex-direction:column;width:100%;align-items:center}
  .hero-actions .btn{width:100%;max-width:300px;text-align:center}
  .section-head{display:flex;width:100%}
  .footer-bottom p{text-align:center}
  .search-row{width:100%;max-width:100%; flex-wrap:wrap;padding:9px 9px 9px 17px;}
  .search-row button{margin-top:4px}
}

/* roulang page: article */
:root {
    --bg: #05080f;
    --surface: #0b111d;
    --surface-2: #0e1626;
    --glass: rgba(255, 255, 255, 0.045);
    --glass-strong: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.17);
    --primary: #2ec5ff;
    --primary-deep: #3b9fff;
    --accent: #38f2d4;
    --gold: #f2c063;
    --text: #f3f7fb;
    --text-2: #a4b3c6;
    --text-3: #6b7c94;
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --shadow-card: 0 12px 36px rgba(0, 0, 0, 0.26), 0 0 60px rgba(46, 197, 255, 0.05);
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-family);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

a:hover {
    color: #ffffff;
}

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

ul,
ol {
    padding-left: 0;
    margin: 0;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
    margin-bottom: 0;
}

.container {
    width: min(1200px, calc(100% - 40px));
    margin-left: auto;
    margin-right: auto;
}

::selection {
    background: rgba(46, 197, 255, 0.28);
    color: #ffffff;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.site-header {
    position: fixed;
    top: 14px;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    padding: 0 16px;
    pointer-events: none;
}

.navbar {
    position: relative;
    display: flex;
    align-items: center;
    width: min(1120px, 100%);
    background: rgba(5, 8, 15, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 8px 8px 8px 16px;
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3), 0 0 32px rgba(46, 197, 255, 0.06);
    pointer-events: auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 16px;
    white-space: nowrap;
    flex-shrink: 0;
}

.brand-mark {
    position: relative;
    width: 34px;
    height: 34px;
    border-radius: 11px;
    background: linear-gradient(145deg, var(--primary), var(--primary-deep));
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 0 20px rgba(46, 197, 255, 0.35);
    flex-shrink: 0;
}

.brand-mark::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 10px;
    width: 14px;
    height: 14px;
    border-radius: 5px;
    border: 2px solid rgba(255, 255, 255, 0.9);
    transform: rotate(45deg);
}

.brand-text {
    background: linear-gradient(90deg, #ffffff 16%, #c0e9ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    gap: 2px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 8px;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--text-2);
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text);
}

.nav-link.is-active {
    background: rgba(46, 197, 255, 0.14);
    color: #ffffff;
    box-shadow: inset 0 -2px 0 var(--primary), 0 0 18px rgba(46, 197, 255, 0.08);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    line-height: 1.2;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #34ccff 0%, #2aa9f4 100%);
    color: #04101f;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16), 0 10px 26px rgba(46, 197, 255, 0.25), 0 0 0 rgba(46, 197, 255, 0.1);
}

.btn-primary:hover {
    color: #04101f;
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.22), 0 14px 32px rgba(46, 197, 255, 0.35), 0 0 30px rgba(46, 197, 255, 0.24);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 6px 16px rgba(46, 197, 255, 0.18);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: rgba(46, 197, 255, 0.55);
    background: rgba(46, 197, 255, 0.1);
    color: #ffffff;
    transform: translateY(-2px);
}

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

.btn-lg {
    padding: 15px 28px;
    font-size: 16px;
}

.nav-burger {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0;
    margin: 0;
}

.nav-burger span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.article-hero {
    position: relative;
    min-height: 440px;
    padding: 176px 0 64px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    background: #070b14;
}

.hero-art {
    position: absolute;
    inset: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    transform: scale(1.02);
}

.hero-veil {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 76% 32%, rgba(46, 197, 255, 0.14), transparent 44%),
        radial-gradient(ellipse at 18% 80%, rgba(56, 242, 212, 0.08), transparent 40%),
        linear-gradient(180deg, rgba(5, 8, 15, 0.62) 0%, rgba(5, 8, 15, 0.32) 32%, rgba(5, 8, 15, 0.92) 100%);
}

.hero-veil::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 86%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 86%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: min(1120px, calc(100% - 40px));
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 6px;
    color: var(--text-3);
    font-size: 13px;
    margin-bottom: 22px;
}

.breadcrumb a {
    color: var(--text-3);
    border-radius: 6px;
    padding: 2px 4px;
}

.breadcrumb a:hover {
    color: var(--primary);
    background: rgba(46, 197, 255, 0.08);
}

.crumb-sep {
    color: rgba(255, 255, 255, 0.32);
}

.crumb-current {
    color: var(--text-2);
    max-width: 560px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 2px 4px;
}

.hero-chip {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(46, 197, 255, 0.12);
    border: 1px solid rgba(46, 197, 255, 0.26);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    box-shadow: 0 0 22px rgba(46, 197, 255, 0.08);
}

.article-h1 {
    max-width: 780px;
    font-size: clamp(28px, 4.6vw, 46px);
    line-height: 1.24;
    font-weight: 750;
    letter-spacing: -0.02em;
    color: #ffffff;
    text-wrap: balance;
    margin-bottom: 24px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    color: var(--text-2);
    font-size: 14px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.meta-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(56, 242, 212, 0.6);
    flex-shrink: 0;
}

.page-main-area {
    padding: 80px 0 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(46, 197, 255, 0.05), transparent 35%),
        var(--bg);
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
}

.article-main-col {
    min-width: 0;
}

.doc-panel {
    position: relative;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)), rgba(11, 17, 29, 0.82);
    border-radius: var(--radius-xl);
    padding: clamp(22px, 3.6vw, 52px);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
}

.doc-panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 36px;
    right: 36px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(46, 197, 255, 0.45), transparent);
}

.article-prose {
    font-size: 16px;
    line-height: 1.85;
    color: #dde8f2;
    word-break: break-word;
}

.article-prose p {
    margin: 1.15em 0;
}

.article-prose h2,
.article-prose h3,
.article-prose h4 {
    color: #ffffff;
    margin: 1.7em 0 0.72em;
    line-height: 1.4;
}

.article-prose h2 {
    font-size: clamp(21px, 2.6vw, 27px);
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    margin-top: 1.8em;
}

.article-prose h3 {
    font-size: 20px;
    color: #e8f2fb;
}

.article-prose h4 {
    font-size: 17px;
    color: #dbe8f4;
}

.article-prose img {
    border-radius: var(--radius-lg);
    margin: 1.8em 0;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.article-prose a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(46, 197, 255, 0.35);
    text-underline-offset: 4px;
}

.article-prose a:hover {
    color: #ffffff;
}

.article-prose blockquote {
    margin: 1.8em 0;
    padding: 18px 22px;
    background: rgba(46, 197, 255, 0.06);
    border: 1px solid rgba(46, 197, 255, 0.15);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-2);
}

.article-prose blockquote p {
    margin: 0;
}

.article-prose ul,
.article-prose ol {
    margin: 1.4em 0;
    padding-left: 0.25rem;
}

.article-prose ul {
    list-style: none;
}

.article-prose ul > li {
    position: relative;
    padding-left: 24px;
    margin: 8px 0;
}

.article-prose ul > li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 0.85em;
    width: 10px;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 12px rgba(46, 197, 255, 0.6);
    border-radius: 2px;
}

.article-prose ol {
    list-style: none;
    counter-reset: article-list;
}

.article-prose ol > li {
    counter-increment: article-list;
    position: relative;
    padding-left: 36px;
    margin: 8px 0;
    color: #dbe7f1;
}

.article-prose ol > li::before {
    content: counter(article-list, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0.3em;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: rgba(46, 197, 255, 0.1);
    border: 1px solid rgba(46, 197, 255, 0.16);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
}

.article-prose table {
    display: block;
    width: 100%;
    border-collapse: collapse;
    overflow-x: auto;
    margin: 1.8em 0;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.article-prose th,
.article-prose td {
    border-bottom: 1px solid var(--border);
    padding: 11px 14px;
    text-align: left;
    white-space: nowrap;
}

.article-prose th {
    background: rgba(255, 255, 255, 0.04);
    color: #ffffff;
    font-weight: 600;
}

.article-prose td {
    color: var(--text-2);
}

.article-prose hr {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 2.2em 0;
}

.article-prose code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.92em;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: #c0e9ff;
}

.article-content-empty {
    text-align: center;
    padding: 44px 16px;
}

.empty-code {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    margin: 0 auto 20px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed rgba(255, 255, 255, 0.18);
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.article-content-empty h2 {
    font-size: 24px;
    color: #ffffff;
    margin: 0 0 12px;
}

.article-content-empty p {
    color: var(--text-2);
    margin: 0 0 26px;
}

.article-end-line {
    margin: 34px 0 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.article-end-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 14px;
    padding-top: 22px;
}

.article-aside {
    position: sticky;
    top: 104px;
    display: grid;
    gap: 18px;
}

.side-card {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.035);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.side-title {
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.side-sub {
    color: var(--text-3);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 8px;
    display: block;
}

.side-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 2px;
}

.side-list a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-2);
    font-size: 14px;
    padding: 8px 10px;
    border-radius: 12px;
}

.side-list a:hover {
    color: var(--primary);
    background: rgba(46, 197, 255, 0.08);
}

.side-arrow {
    color: rgba(255, 255, 255, 0.34);
    font-size: 13px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.side-list a:hover .side-arrow {
    color: var(--primary);
    transform: translateX(3px);
}

.related-section {
    padding: 104px 0 12px;
    scroll-margin-top: 92px;
}

.section-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 40px;
}

.section-eyebrow {
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: 10px;
    display: block;
}

.section-top h2 {
    font-size: clamp(24px, 3.4vw, 34px);
    line-height: 1.3;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.01em;
}

.section-desc {
    max-width: 440px;
    color: var(--text-3);
    font-size: 14px;
    margin: 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.rel-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    min-width: 0;
}

.rel-card:hover {
    transform: translateY(-5px);
    border-color: rgba(46, 197, 255, 0.42);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.26), 0 0 40px rgba(46, 197, 255, 0.1);
}

.rel-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--surface-2);
    position: relative;
}

.rel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.rel-card:hover .rel-thumb img {
    transform: scale(1.05);
}

.rel-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px;
}

.rel-tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--gold);
    background: rgba(242, 192, 99, 0.1);
    border: 1px solid rgba(242, 192, 99, 0.2);
    margin-bottom: 12px;
}

.rel-tag.is-blue {
    color: var(--primary);
    background: rgba(46, 197, 255, 0.1);
    border-color: rgba(46, 197, 255, 0.2);
}

.rel-body h3 {
    font-size: 17px;
    line-height: 1.55;
    margin: 0 0 10px;
    color: #eef5fb;
    font-weight: 650;
}

.rel-body h3 a {
    color: inherit;
}

.rel-body h3 a:hover {
    color: var(--primary);
}

.rel-body p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    margin: 0 0 14px;
}

.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 600;
    width: fit-content;
}

.arrow-link .arr {
    color: var(--primary);
    transition: transform 0.2s ease;
}

.arrow-link:hover {
    color: var(--primary);
}

.arrow-link:hover .arr {
    transform: translateX(4px);
}

.cta-zone {
    padding: 102px 0 120px;
}

.cta-card {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background:
        radial-gradient(ellipse at 84% 20%, rgba(46, 197, 255, 0.18), transparent 46%),
        radial-gradient(ellipse at 12% 90%, rgba(56, 242, 212, 0.1), transparent 40%),
        rgba(11, 17, 29, 0.7);
    border-radius: 28px;
    padding: clamp(28px, 5vw, 66px);
    text-align: center;
    overflow: hidden;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28), 0 0 70px rgba(46, 197, 255, 0.08);
}

.cta-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(46, 197, 255, 0.6), transparent);
}

.cta-trigger {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    border-radius: 50%;
    position: relative;
    background: linear-gradient(145deg, rgba(46, 197, 255, 0.24), rgba(46, 197, 255, 0.06));
    border: 1px solid rgba(46, 197, 255, 0.4);
    box-shadow: 0 0 0 8px rgba(46, 197, 255, 0.05), 0 0 36px rgba(46, 197, 255, 0.3);
}

.cta-trigger::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 13px solid var(--primary);
    transform: translate(-35%, -50%);
}

.cta-card h2 {
    color: #ffffff;
    font-size: clamp(22px, 3vw, 32px);
    line-height: 1.35;
    margin: 0 0 14px;
    letter-spacing: -0.01em;
}

.cta-card p {
    max-width: 620px;
    margin: 0 auto 30px;
    color: var(--text-2);
    font-size: 15px;
}

.cta-btns {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

.site-footer {
    background: rgba(4, 6, 11, 0.92);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding: 60px 0 26px;
    margin-top: 20px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.8fr 0.8fr 0.8fr;
    gap: 44px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #ffffff;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 14px;
}

.b-dot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--primary), var(--primary-deep));
    color: #04101f;
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 0 20px rgba(46, 197, 255, 0.32);
}

.footer-desc {
    max-width: 500px;
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.85;
}

.footer-col h4 {
    color: #eaf3fa;
    font-size: 15px;
    font-weight: 650;
    margin: 0 0 16px;
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.footer-col ul a {
    color: var(--text-2);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    border-radius: 6px;
}

.footer-col ul a::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
    margin-right: 9px;
    opacity: 0;
    transform: translateX(-3px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.footer-col ul a:hover {
    color: var(--primary);
}

.footer-col ul a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px 0;
    color: var(--text-3);
    font-size: 13px;
}

.footer-bottom p {
    margin: 0;
}

.site-domain {
    color: rgba(255, 255, 255, 0.32);
    user-select: all;
}

@media (max-width: 1080px) {
    .article-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .article-aside {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .nav-menu {
        position: absolute;
        top: calc(100% + 12px);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        margin: 0;
        padding: 14px;
        background: rgba(6, 9, 16, 0.92);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 24px;
        backdrop-filter: blur(18px) saturate(130%);
        -webkit-backdrop-filter: blur(18px) saturate(130%);
        box-shadow: 0 24px 50px rgba(0, 0, 0, 0.42), 0 0 40px rgba(46, 197, 255, 0.06);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        min-height: 44px;
        padding: 0 18px;
    }

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

    .nav-actions .btn-primary.desktop-only {
        display: none;
    }

    .brand-text {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    .container {
        width: min(100% - 28px, 1200px);
    }

    .article-hero {
        min-height: 360px;
        padding: 140px 0 44px;
    }

    .page-main-area {
        padding: 52px 0 0;
    }

    .doc-panel {
        padding: 24px 18px 30px;
        border-radius: 20px;
    }

    .article-prose {
        font-size: 15px;
        line-height: 1.8;
    }

    .article-prose table {
        display: block;
        overflow-x: auto;
    }

    .article-meta {
        gap: 10px 14px;
        font-size: 13px;
    }

    .section-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .section-desc {
        max-width: none;
    }

    .related-section {
        padding-top: 80px;
    }

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

    .cta-zone {
        padding: 80px 0 90px;
    }

    .cta-card {
        padding: 34px 20px;
        border-radius: 22px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 32px;
    }
}

@media (max-width: 560px) {
    .navbar {
        padding-left: 10px;
        border-radius: 999px;
    }

    .brand-mark {
        width: 31px;
        height: 31px;
        border-radius: 10px;
    }

    .brand-mark::before {
        left: 9px;
        top: 9px;
        width: 13px;
        height: 13px;
    }

    .brand-text {
        font-size: 14px;
        max-width: 168px;
        overflow: hidden;
    }

    .article-h1 {
        font-size: 26px;
        line-height: 1.32;
    }

    .hero-chip {
        font-size: 12px;
        padding: 5px 12px;
    }

    .breadcrumb {
        font-size: 12px;
    }

    .crumb-current {
        max-width: 160px;
    }

    .article-side {
        grid-template-columns: 1fr;
    }

    .article-end-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .article-end-nav .btn {
        width: 100%;
    }

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

/* roulang page: category2 */
:root{
  --bg:#05080f;
  --bg-deep:#03050a;
  --bg-soft:#0b111d;
  --bg-card:#0e1626;
  --text:#f3f7fb;
  --text-sub:#a4b3c6;
  --text-muted:#66768c;
  --primary:#2ec5ff;
  --primary-deep:#3b9fff;
  --accent:#38f2d4;
  --warm:#f2c063;
  --line:rgba(255,255,255,0.1);
  --glass-bg:rgba(255,255,255,0.04);
  --glass-bg-hover:rgba(255,255,255,0.08);
  --radius-card:22px;
  --radius-card-sm:16px;
  --radius-full:999px;
  --shadow:0 24px 50px rgba(0,0,0,0.3);
  --glow:0 0 42px rgba(46,197,255,0.12);
  --container:1280px;
  --space:120px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(circle at 18% 22%,rgba(46,197,255,0.12),transparent 28%),
    radial-gradient(circle at 82% 72%,rgba(56,242,212,0.08),transparent 30%),
    linear-gradient(rgba(255,255,255,0.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.018) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .25s ease;}
button{font-family:inherit;border:none;cursor:pointer;background:none;color:inherit;}
ul{list-style:none;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:0.2px;}
.page-wrap{position:relative;z-index:1;overflow:hidden;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.narrow{max-width:900px;}
.section{padding:calc(var(--space) - 10px) 0;position:relative;}
.section-head{margin-bottom:44px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);
  font-size:13px;font-weight:600;
  letter-spacing:1px;
  margin-bottom:14px;
}
.section-eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.section-head h2{font-size:32px;margin-bottom:12px;}
.lead{color:var(--text-sub);max-width:800px;font-size:16px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 28px;border-radius:var(--radius-full);
  font-size:15px;font-weight:600;line-height:1.4;
  transition:all .25s ease;border:1px solid transparent;
  white-space:nowrap;text-align:center;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{
  background:linear-gradient(135deg,rgba(46,197,255,0.22),rgba(59,159,255,0.09)),var(--primary);
  color:#04121a;
  border-color:rgba(255,255,255,0.25);
  box-shadow:0 12px 32px rgba(46,197,255,0.26),0 0 24px rgba(46,197,255,0.12);
}
.btn-primary:hover{
  background:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 18px 40px rgba(46,197,255,0.38),0 0 44px rgba(46,197,255,0.24);
}
.btn-primary:focus-visible{
  outline:3px solid var(--primary);
  outline-offset:3px;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(46,197,255,0.22);}
.btn-ghost{
  background:rgba(255,255,255,0.05);
  border-color:rgba(255,255,255,0.18);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.1);
  border-color:rgba(255,255,255,0.3);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 20px;font-size:13.5px;}
.arrow-link{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--primary);
  font-size:14px;font-weight:600;
  transition:gap .25s ease,color .25s ease;
}
.arrow-link:hover{gap:12px;color:var(--accent);}
.arrow-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

.site-header{
  position:fixed;
  top:14px;left:14px;right:14px;
  z-index:200;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.navbar{
  width:100%;
  max-width:1100px;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;
  padding:10px 14px 10px 20px;
  border-radius:var(--radius-full);
  background:rgba(5,8,14,0.72);
  border:1px solid rgba(255,255,255,0.12);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  box-shadow:0 16px 42px rgba(0,0,0,0.28);
  pointer-events:auto;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  min-width:0;
}
.brand-mark{
  width:32px;height:32px;flex:none;
  border-radius:10px;
  position:relative;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 20px rgba(46,197,255,0.5);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 6px;
  background:var(--bg);
  clip-path:polygon(50% 0,100% 35%,80% 100%,20% 100%,0 35%);
  border-radius:2px;
}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:.2px;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
}
.nav-link{
  display:inline-flex;align-items:center;
  font-size:14.5px;font-weight:500;
  padding:9px 16px;
  border-radius:var(--radius-full);
  position:relative;
  color:var(--text-sub);
  transition:background .25s ease,color .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,0.06);}
.nav-link.is-active{
  color:var(--primary);
  background:rgba(46,197,255,0.1);
}
.nav-link.is-active::after{
  content:"";position:absolute;left:40%;right:40%;bottom:3px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-burger{display:none;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.06);flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background .2s;}
.nav-burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:.3s;}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.hero{
  position:relative;
  min-height:640px;
  display:flex;
  align-items:center;
  padding:150px 0 90px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  z-index:-2;
}
.hero-bg::before{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,var(--bg) 4%,rgba(2,8,18,0.36) 45%,rgba(3,10,22,0.78) 100%),
    radial-gradient(circle at 30% 50%,rgba(0,0,0,0.12),transparent 60%);
}
.hero-bg::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:160px;
  background:linear-gradient(0deg,var(--bg),transparent);
  z-index:1;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 17px;border-radius:var(--radius-full);
  background:rgba(46,197,255,0.12);
  border:1px solid rgba(46,197,255,0.25);
  color:var(--primary);
  font-size:13px;font-weight:600;
  backdrop-filter:blur(8px);
  margin-bottom:24px;
}
.hero-tag .live-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--warm);
  box-shadow:0 0 0 0 rgba(242,192,99,0.6);
  animation:pulseDot 2s infinite;
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(242,192,99,0.6);}
  70%{box-shadow:0 0 0 9px rgba(242,192,99,0);}
  100%{box-shadow:0 0 0 0 rgba(242,192,99,0);}
}
.hero h1{
  font-size:50px;
  max-width:760px;
  line-height:1.2;
  margin-bottom:22px;
  text-shadow:0 6px 20px rgba(0,0,0,0.45);
}
.hero h1 span{
  color:var(--primary);
}
.hero-desc{
  max-width:640px;
  color:rgba(255,255,255,0.78);
  font-size:17px;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  padding-top:14px;
  font-size:13px;
  color:var(--text-sub);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);display:inline-block;
}

.cover-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.info-card{
  background:var(--glass-bg);
  border:1px solid var(--line);
  backdrop-filter:blur(12px) saturate(120%);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  border-radius:var(--radius-card);
  padding:26px 24px;
  min-height:180px;
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
  position:relative;
  overflow:hidden;
}
.info-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary),transparent);
  opacity:.7;
}
.info-card:hover{
  transform:translateY(-4px);
  background:var(--glass-bg-hover);
  border-color:rgba(46,197,255,0.35);
}
.card-icon{
  width:44px;height:44px;border-radius:13px;
  background:linear-gradient(135deg,rgba(46,197,255,0.22),rgba(56,242,212,0.12));
  border:1px solid rgba(46,197,255,0.2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
  color:var(--primary);
}
.card-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.info-card h3{font-size:18px;margin-bottom:9px;}
.info-card p{color:var(--text-sub);font-size:14.5px;margin-bottom:6px;}

.banner-warp{
  border-radius:calc(var(--radius-card) + 4px);
  padding:64px 60px;
  background:
    linear-gradient(90deg,rgba(8,12,22,0.92),rgba(10,21,38,0.78)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border:1px solid rgba(255,255,255,0.12);
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:50px;
  align-items:center;
}
.banner-warp::before{
  content:"";position:absolute;
  right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,197,255,0.4),transparent 68%);
  filter:blur(20px);
}
.banner-left h2{font-size:27px;line-height:1.4;margin-bottom:16px;}
.banner-left p{color:var(--text-sub);font-size:15px;max-width:580px;}
.banner-points{
  display:flex;flex-direction:column;gap:16px;
}
.banner-point{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  padding:14px 18px;border-radius:14px;
  font-size:14.5px;
}
.banner-point strong{color:var(--text);font-weight:600;}
.banner-point .point-line{color:var(--text-muted);font-size:13px;}

.split-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:70px;
}
.split-block + .split-block{margin-top:70px;}
.split-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  min-height:300px;
  background:var(--bg-card);
}
.split-media img{
  width:100%;height:100%;object-fit:cover;
}
.split-media::after{
  content:"";position:absolute;inset:0;
  border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius-card);pointer-events:none;
}
.split-badge{
  position:absolute;left:18px;top:18px;
  background:rgba(4,10,18,0.72);
  backdrop-filter:blur(8px);
  padding:7px 15px;
  font-size:12.5px;
  border-radius:var(--radius-full);
  color:var(--accent);
  border:1px solid rgba(255,255,255,0.14);
  z-index:2;
}
.split-body .section-eyebrow{margin-top:0;}
.split-body h2{font-size:28px;margin-bottom:16px;}
.split-body p{color:var(--text-sub);font-size:15.5px;margin-bottom:18px;}
.split-list{margin-top:18px;}
.split-list li{
  position:relative;
  padding:9px 0 9px 27px;
  border-bottom:1px solid rgba(255,255,255,0.07);
  color:var(--text-sub);
  font-size:15px;
  display:flex;
  gap:10px;
}
.split-list li:last-child{border-bottom:none;}
.split-list li::before{
  content:"";position:absolute;left:0;top:15.5px;
  width:15px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(46,197,255,0.2));
}
.split-list b{color:var(--text);font-weight:600;margin-right:4px;}
.split-list em{font-style:normal;color:var(--text-sub);}

.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  counter-reset:stepCount;
}
.step-card{
  background:var(--glass-bg);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  border-radius:18px;
  padding:24px 20px 20px;
  position:relative;
  counter-increment:stepCount;
  transition:transform .3s ease,border-color .3s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(46,197,255,0.4);}
.step-card::before{
  content:"0" counter(stepCount);
  font-size:30px;font-weight:800;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1;
  display:block;
  margin-bottom:12px;
}
.step-card h3{font-size:16.5px;margin-bottom:8px;}
.step-card p{color:var(--text-muted);font-size:13.5px;line-height:1.7;}

.line-card-list{display:flex;flex-direction:column;gap:14px;}
.line-card{
  display:grid;
  grid-template-columns:64px 1fr auto;
  align-items:center;
  gap:22px;
  background:rgba(255,255,255,0.035);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:var(--radius-card);
  padding:21px 24px;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.line-card:hover{
  background:rgba(255,255,255,0.06);
  border-color:rgba(46,197,255,0.35);
  transform:translateX(4px);
}
.line-icon{
  width:64px;height:64px;border-radius:17px;
  background:linear-gradient(135deg,rgba(46,197,255,0.2),rgba(242,192,99,0.1));
  border:1px solid rgba(255,255,255,0.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
}
.line-icon svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.7;}
.line-info h3{font-size:18px;margin-bottom:5px;}
.line-info p{color:var(--text-sub);font-size:14.5px;max-width:700px;}
.line-btn{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--primary);font-size:14px;font-weight:600;
}
.line-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;}
.line-btn:hover{gap:13px;color:var(--accent);}

.faq-section .narrow{max-width:820px;}
.faq-item{
  background:var(--glass-bg);
  border:1px solid rgba(255,255,255,0.1);
  backdrop-filter:blur(10px);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:background .3s ease,border-color .3s ease;
}
.faq-item.is-open{border-color:rgba(46,197,255,0.35);background:rgba(46,197,255,0.04);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;font-weight:600;
  color:var(--text);
  transition:color .2s;
}
.faq-q:hover{color:var(--primary);}
.faq-ico{
  flex:none;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.16);
}
.faq-ico span{display:block;width:11px;height:2px;border-radius:3px;background:var(--primary);position:relative;transition:.25s;}
.faq-ico span::after{
  content:"";position:absolute;left:50%;top:50%;
  width:2px;height:11px;border-radius:3px;
  background:var(--primary);
  transform:translate(-50%,-50%);
  transition:opacity .2s;
}
.faq-item.is-open .faq-ico span{transform:rotate(90deg);}
.faq-item.is-open .faq-ico span::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 24px 22px;color:var(--text-sub);font-size:15px;line-height:1.8;}

.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:calc(var(--radius-card) + 4px);
  background:
    linear-gradient(100deg,rgba(5,16,30,0.96),rgba(10,26,45,0.82)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid rgba(255,255,255,0.12);
  padding:74px 60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:44px;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;
  left:50%;bottom:-160px;
  width:50vw;height:260px;
  background:radial-gradient(closest-side,rgba(46,197,255,0.25),transparent 75%);
  transform:translateX(-50%);
  filter:blur(12px);
  z-index:0;
}
.cta-band>*{position:relative;z-index:1;}
.cta-copy{max-width:590px;}
.cta-copy .play-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:50px;height:50px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 26px rgba(46,197,255,0.4);
  color:#04121a;
  margin-bottom:20px;
}
.cta-copy .play-badge svg{width:20px;height:20px;fill:currentColor;}
.cta-copy h2{font-size:32px;max-width:570px;line-height:1.4;}
.cta-copy p{color:var(--text-sub);font-size:15.5px;margin-top:12px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

.site-footer{
  background:rgba(2,4,9,0.8);
  border-top:1px solid rgba(255,255,255,0.07);
  margin-top:10px;
}
.footer-main{
  max-width:var(--container);
  margin:0 auto;
  padding:58px 32px 42px;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:50px;
}
.footer-brand .footer-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;}
.b-dot{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121a;
  font-weight:900;font-size:17px;
  box-shadow:0 0 20px rgba(46,197,255,0.35);
}
.footer-desc{color:var(--text-muted);font-size:14px;margin-top:18px;max-width:380px;line-height:1.8;}
.footer-col h4{color:var(--text);font-size:16px;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--text-sub);font-size:14px;transition:color .25s,padding-left .25s;}
.footer-col ul li a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:22px 32px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  max-width:var(--container);margin:0 auto;align-items:center;
}
.footer-bottom p{color:var(--text-muted);font-size:13px;line-height:1.6;}
.site-domain{color:#53657b;font-family:"SF Mono",Consolas,monospace;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.05);padding:3px 10px;border-radius:999px;font-size:12.5px;}

.mobile-nav{
  display:none;
  position:fixed;
  top:74px;left:14px;right:14px;z-index:190;
  background:rgba(5,8,15,0.95);
  backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:20px;
  padding:18px;
  box-shadow:var(--shadow);
}
.mobile-nav.open{display:block;}
.mobile-nav a{
  display:block;
  padding:13px 16px;
  border-radius:14px;
  color:var(--text-sub);
  font-size:15px;
}
.mobile-nav a:hover{background:rgba(255,255,255,0.06);color:var(--text);}
.mobile-nav a.is-active{color:var(--primary);background:rgba(46,197,255,0.08);}

.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  color:var(--text-muted);
  font-size:13px;
  margin-bottom:28px;
  padding-top:2px;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-style:normal;color:#3d4d63;}
@media (max-width:1199px){
  .cover-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .banner-warp{padding:48px 36px;}
  .cta-band{padding:54px 44px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:1023px){
  :root{--space:90px;--container:960px;}
  .footer-main{grid-template-columns:1fr;gap:34px;}
  .split-block{grid-template-columns:1fr;gap:36px;}
  .split-block:nth-of-type(2) .split-media{order:-1;}
  .hero h1{font-size:38px;}
  .banner-warp{grid-template-columns:1fr;}
}
@media (max-width:767px){
  :root{--space:70px;}
  .navbar{max-width:calc(100vw - 28px);gap:10px;padding:8px 10px 8px 16px;}
  .brand-text{font-size:16.5px;}
  .nav-menu,.nav-actions .desktop-only{display:none;}
  .nav-burger{display:inline-flex;}
  .container{padding:0 20px;}
  .hero{min-height:540px;padding-top:140px;}
  .hero h1{font-size:32px;}
  .hero-desc{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .cover-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .line-card{grid-template-columns:1fr;gap:14px;}
  .line-btn{align-self:flex-start;}
  .banner-warp{padding:38px 22px;}
  .cta-band{padding:42px 24px;}
  .cta-copy h2{font-size:25px;}
  .section-head h2{font-size:26px;}
  .split-body h2{font-size:24px;}
  .split-media{min-height:220px;}
  .footer-main{padding:48px 20px 34px;}
  .footer-bottom{padding:20px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:399px){
  .brand-text{font-size:15px;letter-spacing:0;}
}