/* roulang page: index */
:root{
  --bg-base:#050919;
  --bg-deep:#070C1B;
  --bg-panel:#0B132B;
  --panel-glass:rgba(255,255,255,.045);
  --panel-soft:rgba(255,255,255,.07);
  --line:rgba(173,205,255,.14);
  --line-strong:rgba(66,224,255,.32);
  --line-gold:rgba(255,190,107,.5);
  --text-main:#EAF4FF;
  --text-body:#C6D6EF;
  --text-dim:#8CA3C7;
  --text-deep:#031420;
  --accent:#2AC6FF;
  --accent-light:#14E0FF;
  --violet:#7B6CFF;
  --gold:#FFBE6B;
  --gradient-main:linear-gradient(135deg,#14E0FF 0%,#2AC6FF 50%,#7B6CFF 100%);
  --radius-xl:22px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:9px;
  --shadow-card:0 22px 55px rgba(0,0,0,.28);
  --shadow-glow:0 14px 34px rgba(17,203,255,.18);
  --section-space:clamp(64px,8vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-main);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  color-scheme:dark;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(600px 320px at 82% -80px,rgba(42,198,255,.08),transparent 70%),
    radial-gradient(760px 420px at 18% 26%,rgba(123,108,255,.05),transparent 70%),
    var(--bg-base);
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.34;
  background-image:
    radial-gradient(1px 1px at 7% 18%,rgba(255,255,255,.75),transparent),
    radial-gradient(1.2px 1.2px at 23% 63%,rgba(120,190,255,.6),transparent),
    radial-gradient(1px 1px at 48% 12%,rgba(255,255,255,.7),transparent),
    radial-gradient(1px 1px at 72% 37%,rgba(180,210,255,.5),transparent),
    radial-gradient(1px 1px at 88% 76%,rgba(255,255,255,.55),transparent),
    radial-gradient(1px 1px at 35% 83%,rgba(120,190,255,.5),transparent);
}
a{color:inherit;text-decoration:none;transition:color .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease,transform .24s ease}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit;font-size:1rem}
button{color:inherit;border:none;background:none;cursor:pointer}
.container{max-width:1240px;margin-inline:auto;padding-inline:clamp(18px,4vw,34px);position:relative}
.section{padding-block:var(--section-space);position:relative}
.section-head{max-width:800px;margin-bottom:44px}
.section-head.center{margin-inline:auto;text-align:center}
.section-kicker{display:inline-flex;align-items:center;gap:10px;color:var(--accent-light);letter-spacing:.22em;font-size:12px;font-weight:700;text-transform:uppercase;margin-bottom:10px}
.section-kicker::before,.section-kicker::after{content:"";width:20px;height:1px;background:linear-gradient(90deg,transparent,var(--accent));}
.section-kicker::after{background:linear-gradient(90deg,var(--accent),transparent)}
.section-title{font-size:clamp(26px,3.4vw,38px);line-height:1.25;margin:0;letter-spacing:.01em;font-weight:800}
.section-sub{color:var(--text-body);font-size:15px;margin-top:14px;margin-bottom:0}

span,label,strong{color:inherit}

.site-header{
  position:sticky;top:0;z-index:999;
  border-bottom:1px solid rgba(150,194,255,.12);
  background:rgba(6,10,24,.62);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,8,20,.84);
  border-bottom-color:rgba(163,218,255,.22);
  box-shadow:0 16px 40px rgba(0,0,0,.26);
}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:38px;height:38px;position:relative;display:inline-flex;align-items:center;justify-content:center}
.brand-mark svg{width:100%;height:100%}
.brand-name{font-size:21px;font-weight:800;letter-spacing:.01em;line-height:1.1}
.brand-name em{font-style:normal;color:var(--accent-light)}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.site-nav li{margin:0}
.nav-link{display:inline-flex;align-items:center;min-height:40px;padding:8px 13px;border-radius:10px;color:#C7D7F0;font-size:15px;font-weight:600;position:relative}
.nav-link::after{content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--violet));opacity:0;transform:scaleX(.35);transition:opacity .24s,transform .24s}
.nav-link:hover{color:#EAF8FF}
.nav-link:hover::after{opacity:.85;transform:scaleX(.85)}
.nav-item.is-active .nav-link{color:#A8ECFF;text-shadow:0 0 18px rgba(42,198,255,.2)}
.nav-item.is-active .nav-link::after{opacity:1;transform:scaleX(1)}
.cta-nav-item{margin-left:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:10px;
  font-weight:700;font-size:15px;line-height:1;text-align:center;
  border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
  cursor:pointer;background:none;
}
.btn:focus-visible{outline:2px solid rgba(42,198,255,.9);outline-offset:3px}
.btn-primary{
  background:linear-gradient(135deg,#14E0FF 0%,#2AC6FF 52%,#7B6CFF 100%);
  color:var(--text-deep);
  box-shadow:0 12px 26px rgba(9,205,255,.20);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 17px 36px rgba(9,205,255,.30);border-color:rgba(255,255,255,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 7px 18px rgba(9,205,255,.14)}
.btn-outline{
  border-color:var(--line-strong);color:#CBEFFF;
  background:rgba(42,198,255,.03);
}
.btn-outline:hover{background:rgba(42,198,255,.12);border-color:rgba(92,234,255,.7);transform:translateY(-2px);box-shadow:0 12px 30px rgba(3,205,255,.12)}
.btn-outline:active{transform:translateY(0)}
.btn-nav{
  min-height:40px;padding:0 22px;font-size:14px;border-radius:999px;
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

.menu-toggle{
  display:none;cursor:pointer;margin-left:6px;flex-shrink:0;
  width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--accent-light);position:relative;transition:transform .25s ease,opacity .25s ease;
}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.is-open span{background:transparent}
.menu-toggle.is-open span::before{transform:rotate(45deg);top:0}
.menu-toggle.is-open span::after{transform:rotate(-45deg);top:0}

.hero{
  min-height:78vh;
  display:flex;align-items:center;
  padding:clamp(38px,6vh,70px) 0 74px;
  position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(5,9,25,.92) 0%,rgba(5,9,25,.68) 42%,rgba(10,19,43,.48) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat,
    var(--bg-deep);
}
.hero::before{
  content:"";position:absolute;top:14%;left:-8%;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,198,255,.14),transparent 66%);pointer-events:none;
}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(360px,.78fr);gap:clamp(30px,5vw,74px);align-items:center;position:relative;z-index:2}
.hero-tagline{
  display:inline-flex;align-items:center;gap:10px;
  color:#BDE9FF;padding:7px 15px;border-radius:999px;margin-bottom:20px;
  background:rgba(42,198,255,.08);border:1px solid rgba(70,210,255,.2);font-size:13px;font-weight:600;
}
.hero-tagline i{color:var(--accent-light);font-size:12px}
.hero h1{
  font-size:clamp(32px,4.4vw,47px);
  line-height:1.24;margin:0 0 20px;max-width:780px;
  font-weight:800;letter-spacing:.01em;
}
.hero h1 .star-line{color:transparent;background:linear-gradient(135deg,#8CE9FF,#2AC6FF 46%,#B7A7FF);-webkit-background-clip:text;background-clip:text}
.hero-lead{font-size:clamp(15px,1.18vw,18px);line-height:1.85;color:#C9DCFF;margin:0 0 32px;max-width:645px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.mini-badges{display:flex;flex-wrap:wrap;gap:10px}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 13px;
  border:1px solid rgba(190,215,255,.16);background:rgba(255,255,255,.04);
  border-radius:999px;color:#C9DDFF;font-size:13px;
}
.mini-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-light);box-shadow:0 0 8px var(--accent)}
.mini-badge .dot.gold{background:var(--gold);box-shadow:0 0 8px var(--gold)}

.hero-visual{position:relative;margin-inline:auto;width:100%;max-width:520px}
.hero-visual .frame{
  position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(190,225,255,.18);
  box-shadow:0 28px 70px rgba(0,0,0,.38),0 0 0 1px rgba(42,198,255,.06);
  background:var(--bg-panel);
}
.hero-visual .frame::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 55px rgba(12,20,40,.55)}
.hero-visual img{width:100%;object-fit:cover;aspect-ratio:4/3.3;opacity:.95}
.hero-chip{
  position:absolute;z-index:3;background:rgba(6,11,25,.82);backdrop-filter:blur(10px);
  border:1px solid rgba(140,210,255,.22);border-radius:14px;padding:11px 14px;
  box-shadow:0 15px 34px rgba(0,0,0,.27);color:#D9EDFF;
}
.hero-chip .chip-title{display:flex;align-items:center;gap:7px;font-weight:700;font-size:14px}
.hero-chip .chip-title i{color:var(--accent);width:16px;text-align:center}
.hero-chip small{display:block;margin-top:2px;color:var(--text-dim);font-size:12px}
.hero-chip.chip-top{top:16px;right:-12px}
.hero-chip.chip-bottom{bottom:14px;left:-16px}
.visual-glow{position:absolute;width:220px;height:220px;bottom:-24px;left:-30px;border-radius:50%;background:radial-gradient(circle,rgba(123,108,255,.26),transparent 66%);z-index:-1}

.info-row{
  border-block:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);
}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:16px 0}
.info-cell{display:flex;align-items:center;gap:14px}
.info-icon{
  flex:0 0 40px;height:40px;border-radius:11px;background:rgba(42,198,255,.08);
  border:1px solid rgba(80,220,255,.16);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:17px;
}
.info-cell strong{display:block;font-size:14px;color:#D5E8FF}
.info-cell small{color:var(--text-dim);font-size:12.5px;display:block;margin-top:2px}

.ladder-section{background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0))}
.ladder-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,2.6vw,30px);align-items:start;position:relative;
}
.ladder-grid::before{
  content:"";position:absolute;left:5%;right:5%;top:84px;
  height:2px;background:linear-gradient(90deg,rgba(42,198,255,.15),rgba(123,108,255,.36),rgba(42,198,255,.15));
  border-radius:2px;
}
.ladder-item{position:relative;z-index:2}
.ladder-item:nth-child(2){transform:translateY(24px)}
.ladder-item:nth-child(3){transform:translateY(48px)}
.tier-card{
  position:relative;height:100%;border-radius:var(--radius-xl);
  background:linear-gradient(155deg,rgba(255,255,255,.09),rgba(255,255,255,.025) 46%),rgba(9,16,34,.66);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  padding:30px 25px 26px;overflow:hidden;
  backdrop-filter:blur(8px);
}
.tier-card::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:78%;
  height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,#2AC6FF,transparent);
  opacity:.7;
}
.tier-card--hot{
  border-color:rgba(255,200,255,.18);
  box-shadow:0 0 0 1px rgba(150,235,255,.07),0 24px 66px rgba(0,0,0,.28);
}
.tier-card--hot::before{
  background:linear-gradient(90deg,transparent,#8CE9FF,transparent);
  box-shadow:0 0 18px rgba(42,198,255,.55);
}
.tier-card--premium::after{
  content:"";
  position:absolute;top:-36px;right:-36px;width:105px;height:105px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,190,107,.16),transparent 68%);pointer-events:none;
}
.tier-eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.1em;text-transform:uppercase;
}
.tier-card--premium .tier-eyebrow{color:var(--gold)}
.tier-card h3{font-size:23px;margin:8px 0 7px;font-weight:800}
.tier-desc{color:var(--text-dim);font-size:14px;line-height:1.7;margin:0 0 20px;min-height:50px}
.tier-points{list-style:none;margin:0 0 24px;padding:0}
.tier-points li{
  display:flex;align-items:flex-start;gap:10px;color:#CDE1FA;font-size:14.5px;
  padding:7px 0;border-bottom:1px dashed rgba(165,200,255,.1);line-height:1.55;
}
.tier-points li i{color:var(--accent-light);font-size:15px;margin-top:3px}
.tier-card--premium .tier-points li i{color:var(--gold)}
.tier-points li:last-child{border-bottom:none}
.tier-card .btn{width:100%}

.compare-section{background:linear-gradient(170deg,rgba(123,108,255,.05),rgba(6,11,27,.55) 55%)}
.compare-table-shell{
  overflow-x:auto;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:rgba(5,11,27,.72);
  box-shadow:0 30px 75px rgba(0,0,0,.25);
}
.compare-table{min-width:780px;width:100%;border-collapse:separate;border-spacing:0}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left}
.compare-table thead th{
  background:rgba(18,30,55,.9);
  color:var(--text-main);font-size:16px;letter-spacing:.02em;
  border-bottom:1px solid var(--line);
}
.compare-table thead th:first-child{color:var(--text-dim);font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.compare-table td{
  border-bottom:1px solid rgba(160,195,255,.07);color:var(--text-body);font-size:14.5px;
  background:rgba(255,255,255,.015);
}
.compare-table tr:last-child td{border-bottom:none}
.compare-table tbody th{
  background:rgba(255,255,255,.018);border-bottom:1px solid rgba(160,195,255,.07);font-weight:600;
  color:#D3E1F7;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
}
.compare-table tbody tr:last-child th{border-bottom:none}
.compare-table tr:hover td{background:rgba(42,198,255,.045)}
.table-hot{
  background:linear-gradient(160deg,rgba(80,200,255,.1),rgba(123,108,255,.06)) !important;
  box-shadow:inset 0 0 26px rgba(42,198,255,.06);
}
.table-hot-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:var(--accent-light);margin-bottom:4px}
.compare-note{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;color:var(--text-dim);font-size:14px}

.faq-grid{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(24px,4vw,56px);
  align-items:start;
}
.faq-intro p{color:var(--text-body)}
.faq-list{margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.faq-item{background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:border-color .25s,background .25s;position:relative}
.faq-item.is-open{background:rgba(255,255,255,.06);border-color:rgba(50,222,255,.34)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--accent);box-shadow:0 0 12px rgba(42,198,255,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 21px;text-align:left;color:var(--text-main);font-size:15.5px;font-weight:700;
}
.faq-q .faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:10px;border:1px solid rgba(150,210,255,.25);
  display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:16px;transition:transform .25s,background .25s;
  background:rgba(255,255,255,.025);
}
.faq-item.is-open .faq-icon{background:rgba(42,198,255,.1);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .35s ease,opacity .3s ease,padding .3s ease}
.faq-item.is-open .faq-a{max-height:520px;opacity:1;padding:0 21px 19px;color:var(--text-body);font-size:14.5px;line-height:1.85}

.cta-time{
  position:relative;border-radius:26px;overflow:hidden;
  text-align:center;color:#E7F5FF;
  background:
    linear-gradient(180deg,rgba(5,9,25,.75),rgba(5,9,25,.88)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat,
    var(--bg-deep);
  border:1px solid rgba(190,220,255,.13);
  padding:clamp(40px,6vw,74px) clamp(20px,4vw,60px);
}
.cta-time::after{content:"";position:absolute;left:50%;bottom:-200px;transform:translateX(-50%);width:700px;height:380px;pointer-events:none;background:radial-gradient(50% 70% at 50% 100%,rgba(42,198,255,.19),transparent 80%)}
.cta-time h2{font-size:clamp(25px,3.6vw,36px);line-height:1.35;margin:8px 0 10px;position:relative;z-index:1}
.cta-time p{color:#C5DAF5;max-width:720px;margin:0 auto 30px;font-size:15px;position:relative;z-index:1}
.countdown{display:flex;justify-content:center;gap:clamp(10px,2vw,22px);flex-wrap:wrap;align-items:flex-start;margin-bottom:34px;position:relative;z-index:2}
.cd-block{min-width:78px;background:rgba(8,16,33,.72);border:1px solid rgba(170,220,255,.18);border-radius:15px;padding:15px 8px 11px;box-shadow:0 14px 34px rgba(0,0,0,.18)}
.cd-num{
  display:block;font-size:clamp(28px,3vw,39px);font-weight:800;line-height:1;letter-spacing:.02em;
  font-family:"SFMono-Regular",Consolas,"Roboto Mono",monospace;font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,#F0FBFF,#BDE4FF 80%);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.cd-label{font-size:12px;color:var(--text-dim);margin-top:6px;display:block;letter-spacing:.25em}
.pulse-btn{animation:softPulse 2.8s ease infinite}
@keyframes softPulse{0%,100%{box-shadow:0 12px 26px rgba(9,205,255,.16)}50%{box-shadow:0 12px 30px rgba(9,205,255,.36)}}

.news-section{background:linear-gradient(180deg,rgba(255,255,255,0),rgba(40,72,122,.04))}
.news-top-line{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:38px}
.news-top-line .section-head{margin-bottom:0}
.news-link-more{
  flex:0 0 auto;color:var(--accent);font-weight:700;font-size:14px;
}
.news-main-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);gap:clamp(18px,2.6vw,30px);align-items:stretch}
.article-feature{
  position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);overflow:hidden;
  background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-card);transition:border-color .26s,transform .26s;
}
.article-feature:hover{border-color:rgba(130,225,255,.32);transform:translateY(-3px)}
.article-feature .media{overflow:hidden;min-height:220px;background:var(--bg-panel)}
.article-feature .media img{width:100%;height:100%;object-fit:cover}
.article-feature .content{display:flex;flex-direction:column;align-items:flex-start;padding:25px}
.article-feature .content .news-cat{order:0}
.article-feature h3{font-size:clamp(19px,2vw,24px);line-height:1.45;margin:10px 0 10px;font-weight:800}
.article-feature.desc{color:var(--text-dim);font-size:14.5px;line-height:1.75;margin:0 0 17px}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--text-dim);font-size:13px;margin-bottom:18px}
.news-meta i{color:var(--accent)}
.news-col{display:flex;flex-direction:column;gap:14px}
.mini-card{
  flex:1;display:grid;grid-template-columns:118px minmax(0,1fr);overflow:hidden;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:15px;
  transition:border-color .24s,transform .24s;
}
.mini-card:hover{border-color:rgba(137,225,255,.32);transform:translateY(-2px)}
.mini-card .media{background:var(--bg-panel);overflow:hidden}
.mini-card .media img{width:100%;height:100%;object-fit:cover}
.mini-card .body{padding:13px 15px 12px}
.mini-card h3{font-size:15px;line-height:1.5;margin:0 0 8px;font-weight:700;color:#DFEDFC}
.mini-card .news-meta{margin-bottom:6px}
.mini-card .news-desc{color:var(--text-dim);font-size:13px;line-height:1.65;margin:0 0 9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-read{font-weight:700;color:var(--accent-light);font-size:13px;display:inline-flex;align-items:center;gap:6px}
.mini-card .news-cat{font-size:11px}
.news-cat{display:inline-flex;align-items:center;padding:3px 11px;border:1px solid rgba(130,215,255,.25);border-radius:999px;color:#AFE7FF;background:rgba(42,198,255,.07);font-size:12px;line-height:1.4}
.news-cat i{margin-right:4px;color:var(--accent);font-size:9px}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 20px;text-align:center;background:rgba(255,255,255,.03);border:1px dashed rgba(160,200,255,.18);
  border-radius:22px;color:var(--text-dim);
}
.news-empty i{font-size:38px;color:var(--accent);margin-bottom:10px}
.news-empty p{font-size:15px;margin:0}

.contact-area{
  border-radius:26px;background:
    linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.015)),
    rgba(7,13,28,.72);
  border:1px solid var(--line);
  display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);
  overflow:hidden;box-shadow:var(--shadow-card);
}
.contact-info{padding:clamp(26px,4vw,50px);border-right:1px solid rgba(160,195,255,.1)}
.contact-info h2{font-size:clamp(24px,2.7vw,33px);line-height:1.3;margin:6px 0 13px}
.contact-info p{color:var(--text-body);font-size:14.5px;margin:0 0 20px}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;align-items:flex-start;gap:11px;padding:6px 0;color:#CBDCF5;font-size:14.5px}
.info-list li i{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent);margin-top:5px}
.form-box{padding:clamp(22px,4vw,52px);background:rgba(6,12,27,.5)}
.form-field{display:block;margin-bottom:16px}
.form-field label{display:block;font-size:13px;color:#C5D7F2;margin-bottom:7px;font-weight:600}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid rgba(175,208,255,.14);background:rgba(8,16,36,.72);
  color:var(--text-main);border-radius:11px;padding:11px 14px;min-height:46px;
  transition:border-color .22s,box-shadow .22s;
}
.form-field textarea{min-height:110px;resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:#6B84A8;opacity:1}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:rgba(42,198,255,.7);box-shadow:0 0 0 4px rgba(42,198,255,.08);
}
.form-field select option{background:#0C1731;color:#D7E7FF}
.form-note{color:var(--text-dim);font-size:12.5px;margin-top:12px}
.form-status{display:flex;align-items:center;gap:8px;padding:11px 15px;border-radius:10px;font-size:14px;margin-top:13px;background:transparent}
.form-status.is-success{background:rgba(72,228,160,.1);border:1px solid rgba(72,228,160,.25);color:#C6FFE3}
.form-status.is-error{background:rgba(255,98,107,.1);border:1px solid rgba(255,98,107,.25);color:#FFCCD0}
.form-status.is-sending{background:rgba(42,198,255,.08);border:1px solid rgba(42,198,255,.2);color:#BFF0FF}

.site-footer{border-top:1px solid rgba(155,205,255,.12);background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0)),#030613;color:var(--text-body);position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(42,198,255,.6),transparent)}
.footer-main{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(180px,.55fr) minmax(220px,.6fr);gap:34px;padding:50px 0 32px}
.footer-brand .brand-name{font-size:23px}
.footer-brand p{font-size:14px;color:var(--text-dim);margin:13px 0 0;max-width:390px}
.footer-title{font-size:15px;letter-spacing:.04em;color:#D9E7FF;font-weight:700;margin:0 0 13px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:var(--text-dim);font-size:14px;display:inline-flex;align-items:center;gap:7px}
.footer-links a i{font-size:9px;color:var(--accent)}
.footer-links a:hover{color:var(--accent-light)}
.footer-contact-list{list-style:none;margin:0;padding:0}
.footer-contact-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text-dim);margin-bottom:8px}
.footer-contact-list i{color:var(--accent);margin-top:6px;width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(158,199,255,.08);padding:18px 0;font-size:13px;color:#6D87AA;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px}
.footer-bottom a{color:#6D87AA}
.footer-bottom a:hover{color:var(--accent-light)}

.back-top{
  position:fixed;right:22px;bottom:24px;z-index:990;width:46px;height:46px;border-radius:13px;
  border:1px solid rgba(140,220,255,.24);background:rgba(7,13,30,.72);backdrop-filter:blur(10px);
  color:var(--accent-light);box-shadow:0 14px 30px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:rgba(42,198,255,.16);box-shadow:0 0 26px rgba(42,198,255,.12)}

@media (max-width:1024px){
  .header-inner{min-height:70px}
  .site-nav{position:fixed;top:70px;left:0;right:0;margin:0;padding:14px 22px 22px;background:rgba(5,9,20,.96);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease;box-shadow:0 22px 44px rgba(0,0,0,.4)}
  .site-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .site-nav li{width:100%}
  .nav-link{justify-content:flex-start;width:100%;min-height:46px;font-size:15px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-item.is-active .nav-link{background:rgba(42,198,255,.12)}
  .cta-nav-item{margin:8px 0 0}
  .cta-nav-item .btn{width:100%}
  .menu-toggle{display:inline-flex}
  .hero{min-height:auto}
  .hero-visual .frame img{aspect-ratio:16/10}
  .faq-grid{grid-template-columns:1fr}
  .news-main-grid{grid-template-columns:1fr}
  .article-feature{grid-template-columns:230px minmax(0,1fr)}
  .contact-area{grid-template-columns:1fr}
  .contact-info{border-right:0;border-bottom:1px solid rgba(160,195,255,.1)}
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .hero-inner{grid-template-columns:1fr}
  .hero h1{font-size:clamp(29px,7.4vw,39px)}
  .hero-visual{max-width:460px}
  .hero-chip.chip-top{right:-2px}
  .hero-chip.chip-bottom{left:-2px}
  .ladder-grid{grid-template-columns:1fr;gap:20px}
  .ladder-item:nth-child(2),.ladder-item:nth-child(3){transform:none}
  .ladder-grid::before{top:0;bottom:5%;width:2px;height:auto;left:5%}
  @media screen {
    .ladder-grid{padding-left:22px}
    .ladder-grid::before{top:12%;left:7px;transform:none;height:88%;width:2px}
    .ladder-item{position:relative}
    .ladder-item::before{content:"";position:absolute;left:-18px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent);z-index:3}
    .ladder-item:nth-child(3)::before{background:var(--gold);box-shadow:0 0 14px var(--gold)}
  }
  .ladder-item .tier-card{height:auto}
  .info-grid{grid-template-columns:1fr;gap:8px;padding:12px 0}
  .info-cell{padding:5px 0}
  .article-feature{grid-template-columns:1fr}
  .article-feature .media{min-height:190px}
  .news-top-line{flex-direction:column;align-items:flex-start}
  .footer-main{grid-template-columns:1fr;gap:24px;padding:38px 0 20px}
  .footer-brand{grid-column:auto}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .btn{padding:0 20px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .mini-card{grid-template-columns:102px minmax(0,1fr)}
  .mini-card .body{padding:11px 13px}
  .compare-table-shell{border-radius:15px}
  .contact-info,.form-box{padding:26px 20px}
  .cta-time h2{font-size:25px}
  .cd-block{min-width:62px;padding:11px 6px 9px}
  .cd-num{font-size:25px}
  .footer-bottom{font-size:12.5px;text-align:center}
  .back-top{width:42px;height:42px;right:16px}
}

/* roulang page: category1 */
:root {
  --bg-deep: #060912;
  --bg-body: #070b17;
  --bg-soft: #0b132b;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(190, 220, 255, 0.13);
  --line-light: rgba(190, 220, 255, 0.2);
  --primary: #2ac6ff;
  --primary-deep: #14e0ff;
  --secondary: #7b6cff;
  --gold: #ffbe6b;
  --text-main: #d7e2f5;
  --text-body: #bcc8de;
  --text-dim: #8998b4;
  --shadow-cyan: rgba(42, 198, 255, 0.22);
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(42, 198, 255, 0.06), transparent 25rem),
    radial-gradient(circle at 90% 14%, rgba(123, 108, 255, 0.04), transparent 20rem),
    var(--bg-body);
  color: var(--text-body);
  font-family: var(--font-main);
  line-height: 1.75;
  font-size: 16px;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.25s ease;
}
a:hover {
  color: #b8efff;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-section {
  padding: 90px 0;
  position: relative;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  letter-spacing: 1px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary));
}
.section-kicker i {
  font-size: 14px;
}
.page-section h2 {
  color: var(--text-main);
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.35;
  margin: 4px 0 16px;
  letter-spacing: 0.2px;
  font-weight: 700;
}
.page-section h3 {
  color: var(--text-main);
  font-size: 19px;
  line-height: 1.5;
  margin: 0 0 12px;
  font-weight: 600;
}
.lead-text {
  font-size: 16px;
  color: var(--text-body);
  margin: 0 0 24px;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 8, 18, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(190, 220, 255, 0.09);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.site-header.is-scrolled {
  background: rgba(5, 8, 18, 0.94);
  border-bottom-color: rgba(42, 198, 255, 0.16);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.brand:hover {
  color: var(--text-main);
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(42, 198, 255, 0.1), rgba(123, 108, 255, 0.08));
  border: 1px solid rgba(42, 198, 255, 0.2);
}
.brand-name {
  font-weight: 700;
}
.brand-name em {
  font-style: normal;
  color: var(--primary);
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: block;
  padding: 9px 15px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.4;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.28s ease;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  border-color: rgba(42, 198, 255, 0.1);
  background: rgba(42, 198, 255, 0.04);
}
.nav-item.is-active .nav-link {
  color: var(--primary);
  text-shadow: 0 0 20px rgba(42, 198, 255, 0.24);
  border-color: rgba(42, 198, 255, 0.14);
  background: rgba(42, 198, 255, 0.07);
}
.nav-item.is-active .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2px;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-deep), transparent);
  box-shadow: 0 0 12px var(--shadow-cyan);
  transition: width 0.3s ease;
}
.nav-item.is-active .nav-link:hover::after {
  width: 38px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.menu-toggle:hover {
  color: var(--primary);
  border-color: rgba(42, 198, 255, 0.4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.28s ease;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0fb7e8 100%);
  color: #041826;
  box-shadow: 0 8px 26px rgba(42, 198, 255, 0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  color: #03111d;
  box-shadow: 0 12px 34px rgba(42, 198, 255, 0.3);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(42, 198, 255, 0.16);
}
.btn-outline {
  background: rgba(42, 198, 255, 0.04);
  color: var(--text-main);
  border-color: rgba(42, 198, 255, 0.42);
}
.btn-outline:hover {
  color: var(--primary);
  background: rgba(42, 198, 255, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-sm {
  min-height: 38px;
  padding: 0 18px;
  font-size: 14px;
  border-radius: 8px;
}

/* Page hero */
.page-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 66vh;
  padding: 120px 0 90px;
  background:
    linear-gradient(89deg, rgba(5, 9, 18, 0.94), rgba(7, 14, 32, 0.68), rgba(10, 18, 40, 0.64)),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 9, 18, 0) 20%, rgba(6, 9, 18, 0) 70%, rgba(7, 11, 23, 0.94) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(42, 198, 255, 0.22);
  border-radius: 999px;
  color: #0ed9ff;
  font-size: 14px;
  background: rgba(42, 198, 255, 0.08);
  margin-bottom: 20px;
  box-shadow: 0 0 24px rgba(42, 198, 255, 0.08);
}
.page-hero h1 {
  font-size: clamp(32px, 4.6vw, 48px);
  line-height: 1.22;
  color: #e9f3ff;
  margin: 0 0 22px;
  max-width: 640px;
  letter-spacing: -0.5px;
  font-weight: 700;
}
.page-hero h1 .alt {
  display: block;
  background: linear-gradient(112deg, #2ac6ff, #a0e7ff 52%, #7b6cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-body);
  max-width: 470px;
  margin: 0 0 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  font-size: 13px;
  border-radius: 999px;
  color: #c2e8ff;
  background: rgba(7, 14, 32, 0.56);
  border: 1px solid rgba(42, 198, 255, 0.2);
}
.hero-badges span i {
  color: var(--secondary);
  font-size: 13px;
}
.hero-badges span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(255, 190, 107, 0.7);
}

.hero-panel {
  position: relative;
  z-index: 2;
  padding: 28px;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(12, 24, 50, 0.8), rgba(8, 13, 31, 0.52));
  border: 1px solid rgba(42, 198, 255, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
  max-width: 470px;
  margin-left: auto;
}
.hero-panel::before {
  content: "";
  position: absolute;
  right: 20px;
  top: 16px;
  width: 52px;
  height: 52px;
  background-image:
    radial-gradient(circle at center, rgba(42, 198, 255, 0.5) 0 1px, transparent 1.5px);
  background-size: 9px 9px;
  opacity: 0.5;
}
.hp-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 18px;
  font-weight: 600;
  letter-spacing: 1px;
}
.hp-panel-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hp-item {
  position: relative;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(190, 220, 255, 0.1);
  padding: 14px 15px 14px 46px;
  overflow: hidden;
}
.hp-item::after {
  content: "";
  position: absolute;
  left: -6px;
  top: 18px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(42, 198, 255, 0.9);
  box-shadow: 0 0 16px rgba(42, 198, 255, 0.85);
}
.hp-item i {
  position: absolute;
  left: 18px;
  top: 20px;
  color: var(--gold);
  font-size: 16px;
}
.hp-item strong {
  display: block;
  color: #dcebff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}
.hp-item span {
  color: var(--text-dim);
  font-size: 13px;
}

/* section intro */
.intro-wrap {
  position: relative;
  background:
    linear-gradient(90deg, rgba(42, 198, 255, 0.025), transparent 40%);
  padding: 90px 0;
}
.intro-media {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(190, 220, 255, 0.14);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
  position: relative;
}
.intro-media img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.intro-media-overlay {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(6, 9, 20, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(42, 198, 255, 0.22);
  padding: 9px 14px;
  border-radius: 12px;
  color: #b7f1ff;
  font-size: 13px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 22px 0 0;
}
.feature-list li {
  position: relative;
  padding: 12px 14px 12px 44px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-body);
}
.feature-list li i {
  position: absolute;
  left: 15px;
  top: 16px;
  width: 20px;
  height: 20px;
  color: var(--primary);
}
.feature-list li strong {
  color: var(--text-main);
  font-weight: 600;
}

/* icon info grid */
.info-grid {
  background: rgba(6, 12, 27, 0.28);
}
.info-grid-card {
  height: 100%;
  padding: 28px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.info-grid-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(42, 198, 255, 0), 80%);
  opacity: 0.4;
}
.info-grid-card:hover {
  transform: translateY(-4px);
  border-color: rgba(42, 198, 255, 0.3);
  background: var(--panel-strong);
}
.info-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(42, 198, 255, 0.15), rgba(123, 108, 255, 0.1));
  border: 1px solid rgba(42, 198, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 22px;
  box-shadow: 0 0 18px rgba(42, 198, 255, 0.08);
}
.info-grid-card p {
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 0;
  color: #a5b3cb;
}
.info-grid-card .info-arrow {
  margin-top: 16px;
  color: var(--secondary);
  font-size: 13px;
}

/* audience */
.audience-area {
  background:
    radial-gradient(circle at 15% 50%, rgba(123, 108, 255, 0.06), transparent 30%),
    radial-gradient(circle at 95% 70%, rgba(42, 198, 255, 0.05), transparent 26%);
}
.audience-tag {
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 30px 26px;
  height: 100%;
  transition: all 0.3s ease;
}
.audience-tag:hover {
  border-color: rgba(42, 198, 255, 0.34);
  background: var(--panel-strong);
  transform: translateY(-4px);
}
.audience-tag .icon {
  background: rgba(255, 190, 107, 0.1);
  color: var(--gold);
  border: 1px solid rgba(255, 190, 107, 0.18);
}
.audience-tag ul {
  margin-top: 14px;
}
.audience-tag li {
  font-size: 14px;
  margin-bottom: 8px;
  color: #a8b6ce;
  display: flex;
  gap: 8px;
}
.audience-tag li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 12px;
}
.audience-tag p {
  font-size: 14px;
  color: #a8b6ce;
  line-height: 1.8;
}

/* process steps */
.process-steps .cell {
  display: flex;
}
.process-card {
  width: 100%;
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 22px;
  min-height: 100%;
  transition: border-color 0.3s, background 0.3s;
}
.process-card:hover {
  background: rgba(42, 198, 255, 0.05);
  border-color: rgba(42, 198, 255, 0.3);
}
.step-index {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  margin-bottom: 18px;
}
.step-index span {
  display: flex;
  width: 34px;
  height: 34px;
  background: rgba(42, 198, 255, 0.12);
  border: 1px solid rgba(42, 198, 255, 0.3);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: 0 0 16px rgba(42, 198, 255, 0.1);
}
.process-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.process-card p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 0;
  line-height: 1.8;
}

/* FAQ */
.faq-area {
  background: rgba(8, 12, 27, 0.5);
}
.faq-shell {
  max-width: 880px;
}
.faq-item {
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(190, 220, 255, 0.11);
  margin-bottom: 12px;
  overflow: hidden;
  position: relative;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.faq-item.is-open {
  border-color: rgba(42, 198, 255, 0.26);
  background: rgba(255, 255, 255, 0.064);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  user-select: none;
}
.faq-question h3 {
  color: #d7e6fb;
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}
.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}
.faq-icon::before {
  width: 14px;
  height: 2px;
  left: 4px;
  top: 10px;
}
.faq-icon::after {
  width: 2px;
  height: 14px;
  left: 10px;
  top: 4px;
}
.faq-item.is-open .faq-icon::after {
  transform: scaleY(0);
}
.faq-item.is-open .faq-icon::before {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #a9b7cf;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.is-open .faq-answer {
  max-height: 260px;
  padding: 0 22px 20px;
}
.faq-item.is-open::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), rgba(42, 198, 255, 0.18));
  border-radius: 0 3px 3px 0;
}

/* CTA */
.cta-block {
  padding: 110px 0;
  position: relative;
  background:
    linear-gradient(180deg, rgba(6, 9, 18, 0.94), rgba(7, 12, 28, 0.72)),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px;
  background: rgba(7, 12, 28, 0.48);
  border: 1px solid rgba(190, 220, 255, 0.14);
  border-radius: 28px;
  backdrop-filter: blur(8px);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
}
.cta-inner .section-kicker {
  justify-content: center;
}
.cta-inner h2 {
  color: #e8f3ff;
  font-size: clamp(26px, 3.6vw, 38px);
  margin-bottom: 14px;
}
.cta-inner p {
  color: var(--text-body);
  font-size: 16px;
  margin-bottom: 30px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* footer */
.site-footer {
  margin-top: 0;
  background: #050912;
  border-top: 1px solid rgba(42, 198, 255, 0.16);
  padding-top: 64px;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(42, 198, 255, 0.55), transparent);
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 300px;
  margin: 16px 0 0;
  line-height: 1.8;
}
.footer-title {
  font-size: 15px;
  color: var(--text-main);
  margin: 12px 0 18px;
  font-weight: 600;
}
.footer-links li {
  margin-bottom: 9px;
}
.footer-links a {
  color: var(--text-body);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-links a i {
  color: var(--primary);
  font-size: 11px;
  transition: transform 0.2s ease;
}
.footer-links a:hover {
  color: var(--primary);
  transform: translateX(3px);
}
.footer-contact-list li {
  color: var(--text-body);
  font-size: 13.5px;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.footer-contact-list i {
  color: var(--secondary);
  width: 16px;
  margin-top: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(190, 220, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: #67778f;
  font-size: 13px;
  flex-wrap: wrap;
}

/* back top */
.to-top {
  position: fixed;
  right: 24px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(8, 14, 31, 0.84);
  border: 1px solid rgba(42, 198, 255, 0.45);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(42, 198, 255, 0.14);
  transition: all 0.25s ease;
}
.to-top:hover {
  color: #fff;
  background: rgba(42, 198, 255, 0.9);
  box-shadow: 0 0 28px rgba(42, 198, 255, 0.5);
}

@media (max-width: 1024px) {
  .page-section {
    padding: 68px 0;
  }
  .intro-wrap {
    padding: 68px 0;
  }
  .pa-hero {
    padding: 130px 0 70px;
  }
  .hero-panel {
    max-width: none;
    margin-top: 32px;
  }
}
@media (max-width: 820px) {
  .header-actions .btn-sm {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .site-nav {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    background: rgba(7, 11, 24, 0.98);
    border: 1px solid rgba(42, 198, 255, 0.18);
    border-radius: 16px;
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.48);
    padding: 14px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.28s ease;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }
  body.menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .nav-item.is-active .nav-link::after {
    display: none;
  }
  .nav-link {
    padding: 13px 16px;
    border-radius: 12px;
    text-align: center;
  }
  .intro-media img {
    height: 280px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 640px) {
  .page-section {
    padding: 52px 0;
  }
  .intro-wrap {
    padding: 52px 0;
  }
  .pa-header .header-inner {
    min-height: 68px;
  }
  .page-hero {
    padding: 118px 0 60px;
  }
  .brand {
    font-size: 19px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
  }
  .brand-mark svg {
    width: 28px !important;
    height: 28px !important;
  }
  .page-hero h1 {
    font-size: 31px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .cta-block {
    padding: 66px 0;
  }
  .cta-inner {
    padding: 30px 20px;
    border-radius: 20px;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: auto;
  }
  .to-top {
    right: 14px;
    bottom: 16px;
  }
  .section-kicker {
    font-size: 12px;
  }
  .info-grid-card,
  .audience-tag {
    padding: 22px 18px;
  }
}

/* roulang page: article */
:root {
  --bg-deep: #070C1B;
  --bg-dark: #0B132B;
  --bg-panel: rgba(255, 255, 255, 0.05);
  --bg-panel-soft: rgba(255, 255, 255, 0.035);
  --neon-cyan: #2AC6FF;
  --cyan-bright: #14E0FF;
  --neon-purple: #7B6CFF;
  --purple-soft: #9A7BFF;
  --amber: #FFBE6B;
  --text-main: #EAF2FF;
  --text-soft: #B5C2DE;
  --text-dim: #7C8DAF;
  --border-light: rgba(215, 230, 255, 0.16);
  --border-cyan: rgba(42, 198, 255, 0.36);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-panel: 0 22px 55px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 22px rgba(42, 198, 255, 0.18);
  --transition-fast: 0.18s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 14% -6%, rgba(123, 108, 255, 0.14), transparent 36%),
    radial-gradient(circle at 86% 10%, rgba(42, 198, 255, 0.11), transparent 30%),
    var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--cyan-bright);
}

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

button {
  cursor: pointer;
}

ul,
ol,
p,
figure,
blockquote,
h1,
h2,
h3,
h4 {
  margin: 0;
}

ul {
  padding: 0;
}

.grid-container {
  max-width: 1200px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 86px 0;
}

.section-dark {
  background: rgba(7, 12, 27, 0.55);
}

.section-head {
  max-width: 720px;
  margin-bottom: 46px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan-bright);
  margin-bottom: 12px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
}

.section-head.center .eyebrow::after {
  content: "";
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
}

.section-head h2,
.section-head h1.entry-title {
  font-size: 34px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: #F4F8FF;
}

.section-head h2 span.gradient {
  background: linear-gradient(120deg, var(--cyan-bright), var(--purple-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-sub {
  margin-top: 16px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 46px;
  padding: 0 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  background: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-bright), var(--neon-cyan));
  color: #06101E;
  border: none;
  box-shadow: 0 0 18px rgba(42, 198, 255, 0.2);
}

.btn-primary:hover {
  color: #020A14;
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(42, 198, 255, 0.42);
}

.btn-primary:focus {
  outline: 2px solid rgba(20, 224, 255, 0.65);
  outline-offset: 3px;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 12px rgba(42, 198, 255, 0.28);
}

.btn-outline {
  border: 1px solid var(--border-cyan);
  color: var(--neon-cyan);
  background: rgba(42, 198, 255, 0.04);
}

.btn-outline:hover {
  background: rgba(42, 198, 255, 0.1);
  color: var(--cyan-bright);
  border-color: var(--cyan-bright);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline:focus {
  outline: 2px solid rgba(42, 198, 255, 0.45);
  outline-offset: 3px;
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-ghost {
  color: var(--text-soft);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-lg {
  height: 50px;
  padding: 0 32px;
  border-radius: 12px;
  font-size: 16px;
}

.btn-sm {
  height: 38px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  color: var(--neon-cyan);
}

.text-link i {
  font-size: 12px;
}

.glass-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-panel);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 11px;
  border: 1px solid rgba(42, 198, 255, 0.34);
  background: rgba(42, 198, 255, 0.08);
  color: var(--cyan-bright);
  font-size: 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.tag-amber {
  border-color: rgba(255, 190, 107, 0.4);
  background: rgba(255, 190, 107, 0.1);
  color: var(--amber);
}

.tag-purple {
  border-color: rgba(123, 108, 255, 0.4);
  background: rgba(123, 108, 255, 0.1);
  color: var(--purple-soft);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(7, 10, 27, 0.76);
  border-bottom: 1px solid rgba(150, 175, 215, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  background: rgba(5, 9, 22, 0.9);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #F4F8FF;
}

.brand:hover {
  color: #F4F8FF;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-name em {
  color: var(--cyan-bright);
  font-style: normal;
  font-weight: 600;
  margin-left: 1px;
}

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

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.site-nav .nav-link {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 15px;
  color: var(--text-soft);
  font-size: 15px;
  border-radius: 8px;
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.site-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 1px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan-bright), transparent);
  opacity: 0;
  transform: scaleX(0.4);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-nav .nav-link:hover {
  color: var(--cyan-bright);
  background: rgba(42, 198, 255, 0.05);
}

.site-nav .nav-link:hover::after {
  opacity: 0.75;
  transform: scaleX(1);
}

.site-nav .nav-item.is-active .nav-link {
  color: var(--cyan-bright);
  text-shadow: 0 0 12px rgba(42, 198, 255, 0.45);
}

.site-nav .nav-item.is-active .nav-link::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-soft);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle[aria-expanded="true"] svg {
  stroke: var(--cyan-bright);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 132px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(circle at 74% 20%, rgba(42, 198, 255, 0.18), transparent 34%),
    radial-gradient(circle at 18% 70%, rgba(123, 108, 255, 0.13), transparent 35%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(7, 12, 27, 0.72), rgba(7, 12, 27, 0.92));
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  width: 420px;
  height: 420px;
  right: -120px;
  top: 8%;
  background: radial-gradient(circle, rgba(42, 198, 255, 0.25), transparent 62%);
  filter: blur(20px);
  z-index: 2;
}

.hero .grid-container {
  position: relative;
  z-index: 4;
  width: 100%;
}

.hero-copy {
  position: relative;
  z-index: 4;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 14px;
  border: 1px solid rgba(42, 198, 255, 0.28);
  border-radius: 999px;
  background: rgba(42, 198, 255, 0.07);
  color: var(--cyan-bright);
  font-size: 13px;
  margin-bottom: 22px;
}

.hero-title {
  font-size: 44px;
  line-height: 1.28;
  font-weight: 750;
  color: #F5F9FF;
  letter-spacing: 0.01em;
  max-width: 620px;
}

.hero-title .text-gradient {
  background: linear-gradient(120deg, var(--cyan-bright) 10%, var(--purple-soft) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  margin-top: 24px;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.9;
  max-width: 570px;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 38px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 14px;
}

.hero-tags i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 10px var(--cyan-bright);
}

.hero-stage {
  position: relative;
  min-height: 440px;
  z-index: 4;
}

.arena-card {
  position: relative;
  z-index: 3;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 26px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
}

.arena-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 3px;
  height: 76px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(to bottom, var(--cyan-bright), var(--neon-purple));
}

.arena-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.arena-card-head strong {
  font-size: 17px;
  color: #EDF5FF;
}

.arena-card-head i {
  color: var(--cyan-bright);
  margin-right: 8px;
}

.arena-mini-tag {
  font-size: 12px;
  color: var(--amber);
  border: 1px solid rgba(255, 190, 107, 0.3);
  background: rgba(255, 190, 107, 0.08);
  height: 24px;
  line-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
}

.arena-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.arena-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: transparent;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.arena-item:hover {
  border-color: rgba(42, 198, 255, 0.3);
  background: rgba(42, 198, 255, 0.06);
}

.arena-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(42, 198, 255, 0.1);
  color: var(--cyan-bright);
  font-size: 17px;
  flex-shrink: 0;
}

.arena-item-info {
  flex: 1;
  min-width: 0;
}

.arena-item-info strong {
  display: block;
  color: #E8F2FF;
  font-size: 15px;
  margin-bottom: 1px;
}

.arena-item-info em {
  display: block;
  color: var(--text-dim);
  font-style: normal;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-float {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 11px;
  background: rgba(7, 13, 28, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 12px 16px;
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.35);
  color: var(--text-main);
}

.hero-float strong {
  display: block;
  font-size: 14px;
}

.hero-float em {
  display: block;
  color: var(--text-dim);
  font-style: normal;
  font-size: 12px;
}

.hero-float .float-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(42, 198, 255, 0.12);
  color: var(--cyan-bright);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-float-top {
  top: -14px;
  left: -24px;
  animation: floatIn 4s ease-in-out infinite;
}

.hero-float-bottom {
  right: -6px;
  bottom: -16px;
  animation: floatIn 4.6s ease-in-out 0.6s infinite;
}

@keyframes floatIn {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.tier-section {
  padding: 88px 0;
}

.tier-wrap {
  position: relative;
  padding-top: 14px;
}

.tier-wrap::before {
  content: "";
  position: absolute;
  top: 150px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(42, 198, 255, 0.4), rgba(123, 108, 255, 0.4), transparent);
  opacity: 0.6;
}

.tier-card {
  position: relative;
  height: 100%;
  padding: 28px 28px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.tier-card:hover {
  border-color: rgba(42, 198, 255, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.42);
}

.tier-card .tag {
  position: absolute;
  right: 16px;
  top: 16px;
}

.tier-level {
  color: var(--cyan-bright);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tier-name {
  font-size: 23px;
  font-weight: 650;
  color: #EDF5FF;
  margin-top: 5px;
}

.tier-desc {
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
  min-height: 56px;
}

.tick-list {
  list-style: none;
  margin: 18px 0 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex: 1;
}

.tick-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--text-soft);
  font-size: 14px;
}

.tick-list i {
  color: var(--cyan-bright);
  font-size: 14px;
  margin-top: 5px;
}

.tier-btn {
  margin-top: 26px;
}

.tier-card--step1 {
  transform: translateY(58px);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.018));
}

.tier-card--step2 {
  transform: translateY(20px);
  background: linear-gradient(160deg, rgba(42, 198, 255, 0.09), rgba(255, 255, 255, 0.03));
}

.tier-card--step3 {
  transform: translateY(-16px);
  background: linear-gradient(160deg, rgba(255, 190, 107, 0.06), rgba(255, 255, 255, 0.03));
  border-color: rgba(255, 190, 107, 0.35);
}

.tier-card--step3::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 190, 107, 0.7), transparent);
}

.tier-card .tier-cta {
  width: 100%;
}

.compare-section {
  padding: 92px 0;
  background:
    radial-gradient(circle at 12% 12%, rgba(123, 108, 255, 0.08), transparent 28%),
    rgba(255, 255, 255, 0.015);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.compare-wrap {
  overflow-x: auto;
  padding-bottom: 10px;
}

.compare-table {
  width: 100%;
  min-width: 680px;
  border-spacing: 0;
  border-collapse: separate;
}

.compare-table th,
.compare-table td {
  padding: 14px 16px;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.compare-table th {
  background: rgba(255, 255, 255, 0.05);
  color: #E7F1FF;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}

.compare-table th:first-child {
  text-align: left;
  width: 130px;
  border-radius: 12px 0 0 0;
}

.compare-table th:last-child {
  border-radius: 0 12px 0 0;
}

.compare-table td {
  color: var(--text-soft);
  font-size: 15px;
  text-align: center;
}

.compare-table td:first-child {
  color: var(--text-dim);
  font-weight: 500;
  text-align: left;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: rgba(42, 198, 255, 0.04);
}

.compare-table .hot-col {
  background: rgba(42, 198, 255, 0.09);
  color: var(--text-main);
  position: relative;
  box-shadow: inset 0 0 16px rgba(42, 198, 255, 0.08);
}

.compare-table th.hot-col {
  background: rgba(42, 198, 255, 0.15);
  color: #EAF7FF;
}

.hot-badge {
  font-size: 12px;
  margin-left: 6px;
  color: var(--amber);
  border: 1px solid rgba(255, 190, 107, 0.3);
  background: rgba(255, 190, 107, 0.1);
  padding: 2px 7px;
  border-radius: 999px;
}

.compare-note {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.compare-note p {
  color: var(--text-soft);
  font-size: 14px;
}

.compare-note p strong {
  color: var(--cyan-bright);
}

.faq-section {
  padding: 88px 0;
}

.faq-accordion {
  margin-top: 8px;
  list-style: none;
}

.faq-accordion .accordion-item {
  margin-bottom: 12px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.faq-accordion .accordion-item.is-active {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(42, 198, 255, 0.28);
}

.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  font-size: 16px;
  color: #EAF3FF;
  line-height: 1.6;
}

.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus {
  color: #FFFFFF;
}

.faq-accordion .accordion-title::before {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--cyan-bright);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(42, 198, 255, 0.1);
  order: 2;
  flex-shrink: 0;
}

.faq-accordion .accordion-item.is-active > .accordion-title::before {
  content: "\f00d";
  color: var(--purple-soft);
}

.faq-accordion .accordion-content {
  padding: 0 22px 20px 22px;
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
  background: transparent;
  border: none;
}

.reserve-section {
  position: relative;
  text-align: center;
  padding: 100px 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(42, 198, 255, 0.28), transparent 44%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
}

.reserve-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 21, 0.82);
}

.reserve-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
}

.reserve-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.reserve-kicker::before,
.reserve-kicker::after {
  content: "";
  width: 34px;
  height: 1px;
  background: rgba(255, 190, 107, 0.5);
}

.reserve-title {
  font-size: 36px;
  line-height: 1.4;
  margin-top: 16px;
  color: #F6FAFF;
  font-weight: 700;
}

.reserve-subtitle {
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 16px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.85;
}

.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 38px 0 34px;
}

.countdown-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 76px;
  padding: 12px 10px 8px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.countdown-card .num {
  font-size: 34px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  font-family: "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;
}

.countdown-card .label {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
  letter-spacing: 0.08em;
}

.countdown-sep {
  color: var(--cyan-bright);
  font-size: 20px;
  padding-bottom: 16px;
}

.reserve-btn {
  position: relative;
  animation: gentlePulse 3.2s ease-in-out infinite;
}

@keyframes gentlePulse {
  0%,
  100% {
    box-shadow: 0 0 18px rgba(42, 198, 255, 0.25);
  }
  50% {
    box-shadow: 0 0 26px rgba(42, 198, 255, 0.55);
  }
}

.reserve-hint {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-dim);
}

.news-section {
  padding: 92px 0;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.news-feature {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.news-feature:hover {
  border-color: rgba(42, 198, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-panel);
}

.news-feature-media img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.news-feature-body {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-feature-body .tag {
  align-self: flex-start;
}

.news-feature-body h3 {
  font-size: 20px;
  line-height: 1.5;
  color: #EFF6FF;
  margin-top: 15px;
}

.news-feature-body h3 a {
  color: inherit;
}

.news-feature-body h3 a:hover {
  color: var(--cyan-bright);
}

.news-summary {
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.news-meta-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.news-meta-info span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
}

.news-list-item {
  display: flex;
  gap: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px;
  transition: border-color var(--transition-fast), background 0.2s ease, transform 0.2s ease;
}

.news-list-item:hover {
  border-color: rgba(42, 198, 255, 0.35);
  background: rgba(42, 198, 255, 0.05);
  transform: translateY(-2px);
}

.news-thumb {
  flex: 0 0 136px;
  border-radius: 10px;
  overflow: hidden;
}

.news-thumb img {
  width: 136px;
  height: 100px;
  object-fit: cover;
}

.news-list-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  flex: 1;
}

.news-list-title {
  font-size: 16px;
  line-height: 1.55;
  color: #EAF3FF;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-title a {
  color: inherit;
}

.news-list-title a:hover {
  color: var(--cyan-bright);
}

.news-list-summary {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.news-list-meta a {
  color: var(--cyan-bright);
  font-weight: 500;
  margin-left: auto;
}

.news-more {
  text-align: center;
  margin-top: 40px;
}

.contact-section {
  padding: 92px 0;
}

.contact-card {
  height: 100%;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  padding: 30px;
}

.contact-card-title {
  font-size: 20px;
  color: #EAF4FF;
  font-weight: 650;
}

.contact-desc {
  margin-top: 12px;
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 15px;
}

.contact-support-list {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-support-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.contact-support-list i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(42, 198, 255, 0.1);
  color: var(--cyan-bright);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-form-panel {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 30px;
}

.contact-form-panel .form-title {
  font-size: 20px;
  color: #EAF4FF;
  margin-bottom: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-label {
  display: block;
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 7px;
  letter-spacing: 0.02em;
}

.nice-form input[type="text"],
.nice-form input[type="tel"],
.nice-form select,
.nice-form textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-main);
  height: 46px;
  border-radius: 10px;
  font-size: 15px;
  padding: 0 14px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.nice-form textarea {
  height: 120px;
  padding-top: 12px;
  resize: vertical;
}

.nice-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%232AC6FF' d='M1 1l5 5 5-5' stroke='%232AC6FF' stroke-width='1'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}

.nice-form select option {
  background: #0d162b;
  color: #eaf2ff;
}

.nice-form input::placeholder,
.nice-form textarea::placeholder {
  color: #607095;
}

.nice-form input:focus,
.nice-form select:focus,
.nice-form textarea:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 2px rgba(42, 198, 255, 0.16);
  background: rgba(255, 255, 255, 0.085);
}

.form-submit {
  margin-top: 20px;
}

.form-message {
  margin-top: 12px;
  font-size: 14px;
  color: var(--cyan-bright);
  opacity: 0;
  padding-left: 4px;
  transition: opacity .2s ease;
}

.form-message.show {
  opacity: 1;
}

.site-footer {
  position: relative;
  background: #040814;
  border-top: 1px solid rgba(42, 198, 255, 0.16);
  padding-top: 50px;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(42, 198, 255, 0.65), rgba(123, 108, 255, 0.5), transparent);
}

.footer-main {
  padding-bottom: 36px;
}

.footer-main .footer-brand p {
  margin-top: 16px;
  max-width: 380px;
  color: #70809e;
  font-size: 13px;
  line-height: 1.8;
}

.footer-nav ul,
.footer-contact ul {
  list-style: none;
  margin: 0;
}

.footer-nav .footer-links li {
  margin-bottom: 8px;
}

.footer-nav .footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8998b4;
  font-size: 14px;
}

.footer-nav .footer-links a:hover {
  color: var(--cyan-bright);
}

.footer-links i {
  font-size: 10px;
  color: #3f5378;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover i {
  color: var(--cyan-bright);
  transform: translateX(2px);
}

.footer-title {
  font-size: 16px;
  color: #d9e7ff;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #7d8ca6;
  font-size: 14px;
}

.footer-contact-list i {
  color: var(--cyan-bright);
  font-size: 14px;
  margin-top: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom span {
  color: #526684;
  font-size: 13px;
}

.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: rgba(16, 29, 55, 0.82);
  border: 1px solid rgba(42, 198, 255, 0.36);
  color: var(--neon-cyan);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
  opacity: 0;
  visibility: hidden;
  backdrop-filter: blur(10px);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  color: var(--bg-deep);
  background: var(--neon-cyan);
  transform: translateY(-3px);
}

@media (max-width: 1024px) {
  .hero {
    min-height: auto;
    padding: 126px 0 76px;
  }

  .hero-stage {
    margin-top: 55px;
    min-height: 0;
  }

  .tier-card--step1,
  .tier-card--step2,
  .tier-card--step3 {
    transform: translateY(0);
  }

  .tier-wrap::before {
    display: none;
  }

  .tier-card {
    margin-bottom: 18px;
  }

  .section-head h2 {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .compare-section,
  .news-section {
    padding: 60px 0;
  }

  .site-header {
    background: rgba(5, 9, 22, 0.92);
  }

  .nav-wrap {
    height: 64px;
  }

  .nav-cta {
    display: none;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0;
    background: rgba(6, 11, 24, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 18px 14px;
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .site-nav .nav-link {
    height: 44px;
    width: 100%;
    padding: 0 14px;
  }

  .site-nav .nav-link::after {
    display: none;
  }

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

  .hero-float {
    display: none;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .section-head h2 {
    font-size: 27px;
  }

  .reserve-title {
    font-size: 28px;
  }

  .countdown {
    gap: 8px;
  }

  .countdown-card {
    min-width: 60px;
    padding: 10px 7px 8px;
  }

  .countdown-card .num {
    font-size: 26px;
  }

  .footer-main .footer-brand p {
    max-width: 100%;
  }

  .news-list-item {
    flex-direction: row;
  }

  .news-thumb {
    flex-basis: 100px;
  }

  .news-thumb img {
    width: 100px;
    height: 90px;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 48px 0;
  }

  .hero {
    padding: 112px 0 64px;
  }

  .hero-copy {
    text-align: left;
  }

  .hero-title {
    font-size: 29px;
    line-height: 1.45;
  }

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

  .btn-lg,
  .btn-primary,
  .btn-outline {
    width: 100%;
  }

  .hero-tags {
    justify-content: flex-start;
    gap: 13px;
  }

  .hero-tags span {
    font-size: 13px;
  }

  .compare-note {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-head h2,
  .reserve-title {
    font-size: 24px;
  }

  .contact-form-panel,
  .contact-card {
    padding: 22px 18px;
  }

  .countdown {
    gap: 6px;
    flex-wrap: wrap;
  }

  .countdown-card {
    min-width: 56px;
  }

  .countdown-card .num {
    font-size: 23px;
  }

  .countdown-sep {
    display: none;
  }

  .reserve-btn,
  .reserve-btn .btn {
    width: 100%;
  }

  .news-list-item {
    padding: 10px;
  }

  .news-list-title {
    font-size: 15px;
  }

  .news-list-summary {
    -webkit-line-clamp: 1;
  }

  .news-thumb,
  .news-thumb img {
    width: 94px;
    height: 84px;
  }

  .news-meta-info {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .grid-x .cell {
    margin-left: 0;
    margin-right: 0;
  }
}

/* roulang page: category2 */
:root {
      --bg-deep: #060a16;
      --bg-main: #081021;
      --bg-soft: #0c1530;
      --card-bg: rgba(13, 22, 48, 0.74);
      --card-bg-strong: rgba(13, 21, 44, 0.92);
      --border: rgba(144, 183, 255, 0.16);
      --border-light: rgba(190, 220, 255, 0.26);
      --shadow-card: 0 18px 42px rgba(1, 4, 14, 0.42);
      --primary: #2AC6FF;
      --primary-2: #14E0FF;
      --secondary: #7B6CFF;
      --accent: #FFBE6B;
      --white: #e8f1ff;
      --muted: #93a7c3;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
      --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      --ease: 0.24s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: var(--bg-deep);
      background-image:
        radial-gradient(1200px 520px at 85% -180px, rgba(42, 198, 255, 0.08), transparent 58%),
        radial-gradient(900px 500px at -10% 5%, rgba(123, 108, 255, 0.10), transparent 55%);
      color: var(--white);
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.72;
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }

    body.no-scroll {
      overflow: hidden;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    button {
      font-family: inherit;
    }

    .container {
      width: min(1240px, 92%);
      margin-inline: auto;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 92px 0;
    }

    .section-head {
      max-width: 880px;
      margin-bottom: 48px;
    }

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

    .section-head h2 {
      font-size: clamp(25px, 4vw, 34px);
      line-height: 1.28;
      letter-spacing: -0.01em;
      margin-top: 14px;
      color: var(--white);
    }

    .section-head p {
      margin-top: 14px;
      color: var(--muted);
      font-size: 15px;
      max-width: 720px;
    }

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

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 14px;
      border: 1px solid rgba(42, 198, 255, 0.32);
      background: rgba(42, 198, 255, 0.08);
      border-radius: 999px;
      color: var(--primary-2);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      margin-bottom: 18px;
    }

    .section-kicker::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 12px rgba(42, 198, 255, 0.9);
    }

    .text-glow {
      color: var(--primary);
      text-shadow: 0 0 30px rgba(42, 198, 255, 0.45);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 26px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
      white-space: nowrap;
    }

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

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #10aee6 100%);
      color: #04121d;
      box-shadow: 0 0 28px rgba(42, 198, 255, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.46);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(42, 198, 255, 0.45), 0 0 22px rgba(42, 198, 255, 0.26);
      color: #04121d;
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 5px 16px rgba(42, 198, 255, 0.35);
    }

    .btn-outline {
      background: rgba(42, 198, 255, 0.04);
      color: var(--white);
      border-color: rgba(42, 198, 255, 0.58);
      box-shadow: 0 0 20px rgba(42, 198, 255, 0.08);
    }

    .btn-outline:hover {
      background: rgba(42, 198, 255, 0.14);
      border-color: var(--primary);
      box-shadow: 0 0 22px rgba(42, 198, 255, 0.25);
      transform: translateY(-2px);
      color: #fff;
    }

    .btn-outline:active {
      transform: translateY(0);
      box-shadow: 0 4px 12px rgba(42, 198, 255, 0.2);
    }

    .btn-sm {
      height: 40px;
      padding: 0 20px;
      font-size: 14px;
    }

    /* Header ===================== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 120;
      background: rgba(5, 10, 22, 0.82);
      -webkit-backdrop-filter: blur(18px);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(148, 190, 255, 0.12);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 78px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-mark {
      display: inline-flex;
      flex-shrink: 0;
      transition: transform 0.6s ease;
    }

    .brand:hover .brand-mark {
      transform: rotate(14deg) scale(1.04);
    }

    .brand-name {
      font-size: 19px;
      font-weight: 800;
      letter-spacing: 0.04em;
      color: var(--white);
    }

    .brand-name em {
      font-style: normal;
      color: var(--primary);
      margin-left: 1px;
    }

    .site-nav ul {
      display: flex;
      align-items: center;
      gap: 34px;
      margin: 0;
    }

    .nav-link {
      display: inline-block;
      padding: 10px 0 12px;
      font-size: 15px;
      font-weight: 600;
      color: rgba(224, 234, 248, 0.86);
      position: relative;
      letter-spacing: 0.02em;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 4px;
      height: 2px;
      border-radius: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      box-shadow: 0 0 12px rgba(42, 198, 255, 0.7);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }

    .site-nav .nav-item:hover .nav-link {
      color: var(--white);
    }

    .site-nav .nav-item:hover .nav-link::after {
      transform: scaleX(1);
    }

    .site-nav .nav-item.is-active .nav-link {
      color: var(--primary);
    }

    .site-nav .nav-item.is-active .nav-link::after {
      transform: scaleX(1);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 6px;
      width: 44px;
      height: 44px;
      background: rgba(42, 198, 255, 0.06);
      border: 1px solid rgba(42, 198, 255, 0.25);
      border-radius: 10px;
      cursor: pointer;
    }

    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .nav-toggle.open span:nth-child(1) {
      transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
      transform: translateY(-8px) rotate(-45deg);
    }

    /* Page Hero ================= */
    .page-hero {
      position: relative;
      padding: 100px 0 92px;
      background-color: #071021;
      overflow: hidden;
      border-bottom: 1px solid rgba(144, 183, 255, 0.12);
    }

    .page-hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.62;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(900px 500px at 76% 12%, rgba(42, 198, 255, 0.14), transparent 60%),
        radial-gradient(700px 500px at 10% 90%, rgba(123, 108, 255, 0.16), transparent 55%),
        linear-gradient(180deg, rgba(5, 9, 20, 0.38) 0%, rgba(5, 9, 20, 0.92) 100%);
      z-index: 1;
    }

    .hero-grid {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      margin-bottom: 26px;
    }

    .breadcrumb a {
      color: var(--muted);
    }

    .breadcrumb a:hover {
      color: var(--primary-2);
    }

    .breadcrumb span {
      color: rgba(147, 167, 195, 0.6);
    }

    .breadcrumb [aria-current="page"] {
      color: var(--primary);
    }

    .hero-copy h1 {
      font-size: clamp(31px, 4.5vw, 42px);
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin: 12px 0 18px;
      color: var(--white);
    }

    .hero-desc {
      margin: 10px 0 22px;
      max-width: 640px;
      color: rgba(216, 231, 248, 0.9);
      font-size: 15.5px;
    }

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

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 32px;
    }

    .badge-light {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 5px 13px;
      border-radius: 999px;
      background: rgba(15, 26, 55, 0.62);
      border: 1px solid rgba(42, 198, 255, 0.22);
      color: rgba(222, 237, 255, 0.84);
      font-size: 12.5px;
    }

    .badge-light i {
      color: var(--primary);
      font-size: 10px;
    }

    .hero-note {
      position: relative;
      z-index: 2;
      padding: 24px 24px 22px;
      border: 1px solid rgba(42, 198, 255, 0.24);
      border-radius: 20px;
      background: rgba(11, 22, 47, 0.76);
      backdrop-filter: blur(12px);
      box-shadow: 0 20px 44px rgba(1, 5, 15, 0.38);
      max-width: 520px;
      margin-left: auto;
    }

    .hero-note .note-label {
      font-size: 12px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .hero-note ul {
      display: grid;
      gap: 13px;
      margin: 0 0 18px;
    }

    .hero-note ul li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: rgba(222, 234, 250, 0.9);
      font-size: 14px;
      line-height: 1.6;
    }

    .hero-note ul i {
      width: 20px;
      color: var(--primary);
      margin-top: 4px;
    }

    .hero-note ul strong {
      color: #fff;
      font-weight: 600;
    }

    /* Journey / 路径 =============== */
    .journey-section {
      position: relative;
    }

    .journey-section .container {
      position: relative;
    }

    .journey-list {
      max-width: 1160px;
      margin: 24px auto 0;
      display: grid;
      gap: 18px;
    }

    .journey-item {
      position: relative;
      display: grid;
      grid-template-columns: 92px 1fr 232px;
      gap: 26px;
      align-items: stretch;
      padding: 28px 30px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 18px;
      box-shadow: var(--shadow-card);
      backdrop-filter: blur(12px);
      transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    }

    .journey-item::before {
      content: "";
      position: absolute;
      left: 0;
      top: 18px;
      bottom: 18px;
      width: 3px;
      border-radius: 0 6px 6px 0;
      background: linear-gradient(180deg, var(--primary), var(--secondary));
      opacity: 0.8;
      box-shadow: 0 0 16px rgba(42, 198, 255, 0.35);
    }

    .journey-item:hover {
      transform: translateX(4px);
      border-color: rgba(42, 198, 255, 0.4);
    }

    .journey-index {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding-left: 6px;
    }

    .journey-index .step {
      font-family: var(--mono);
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 0.02em;
    }

    .journey-index .phase {
      font-size: 12px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.24em;
      border-bottom: 1px solid rgba(144, 183, 255, 0.16);
      padding-bottom: 10px;
    }

    .journey-content h3 {
      font-size: 20px;
      line-height: 1.4;
      color: var(--white);
      margin-bottom: 8px;
    }

    .journey-content p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.74;
      max-width: 640px;
    }

    .journey-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(42, 198, 255, 0.07);
      border: 1px solid rgba(42, 198, 255, 0.16);
      color: rgba(215, 237, 255, 0.86);
      font-size: 12px;
    }

    .tag::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 8px rgba(42, 198, 255, 0.8);
    }

    .journey-fit {
      background: rgba(9, 17, 38, 0.55);
      border: 1px solid rgba(144, 183, 255, 0.13);
      border-radius: 14px;
      padding: 18px 16px 16px;
    }

    .journey-fit .fit-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--accent);
      margin-bottom: 8px;
      font-weight: 600;
    }

    .journey-fit .fit-label i {
      font-size: 11px;
    }

    .journey-fit p {
      font-size: 13.5px;
      color: rgba(206, 222, 243, 0.84);
      line-height: 1.65;
    }

    .route-more {
      margin-top: 34px;
      text-align: center;
    }

    .section-bottom-note {
      max-width: 900px;
      margin: 34px auto 0;
      text-align: center;
      color: rgba(147, 175, 204, 0.62);
      font-size: 13px;
      border-top: 1px dashed rgba(144, 183, 255, 0.16);
      padding-top: 20px;
    }

    /* Scene compare ============== */
    .audience-section {
      background: linear-gradient(180deg, rgba(8, 14, 30, 0) 0%, rgba(11, 20, 42, 0.5) 50%, rgba(8, 14, 30, 0) 100%);
    }

    .scene-grid {
      align-items: stretch;
    }

    .scene-card {
      border-radius: 22px;
      overflow: hidden;
      background: var(--card-bg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-card);
      padding: 30px;
      height: 100%;
      transition: border-color 0.25s ease, transform 0.25s ease;
    }

    .scene-card .scene-head {
      margin-bottom: 12px;
    }

    .scene-card h3 {
      font-size: 21px;
      color: var(--white);
      margin: 10px 0 10px;
    }

    .scene-card p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.74;
    }

    .scene-card.featured {
      background: linear-gradient(140deg, rgba(13, 27, 59, 0.94), rgba(10, 18, 39, 0.88));
      border-color: rgba(42, 198, 255, 0.42);
      box-shadow: 0 0 42px rgba(42, 198, 255, 0.12), var(--shadow-card);
    }

    .scene-image {
      margin: 20px 0 0;
      border-radius: 16px;
      overflow: hidden;
      position: relative;
      line-height: 0;
    }

    .scene-image img {
      width: 100%;
      height: 210px;
      object-fit: cover;
    }

    .scene-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 30%, rgba(6, 12, 28, 0.68) 100%);
    }

    .scene-list {
      display: grid;
      gap: 10px;
      margin: 22px 0 20px;
    }

    .scene-list li {
      display: flex;
      gap: 9px;
      color: rgba(222, 235, 251, 0.9);
      font-size: 14.5px;
      align-items: baseline;
    }

    .scene-list li i {
      color: var(--primary);
      font-size: 13px;
      min-width: 16px;
    }

    .scene-mark {
      position: absolute;
      top: 16px;
      right: 16px;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      background: rgba(7, 14, 30, 0.72);
      border: 1px solid rgba(255, 190, 107, 0.46);
      color: var(--accent);
    }

    .scene-card .btn {
      margin-top: 8px;
    }

    /* Process ==================== */
    .process-section {
      background: rgba(7, 12, 25, 0.55);
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 44px;
    }

    .process-step {
      position: relative;
      padding: 26px 22px 24px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 18px;
      box-shadow: var(--shadow-card);
      transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    }

    .process-step:hover {
      transform: translateY(-5px);
      border-color: rgba(42, 198, 255, 0.42);
      background: var(--card-bg-strong);
    }

    .process-index {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: var(--mono);
      font-size: 15px;
      font-weight: 700;
      background: rgba(42, 198, 255, 0.1);
      border: 1px solid rgba(42, 198, 255, 0.4);
      color: var(--primary);
      margin-bottom: 14px;
      box-shadow: 0 0 16px rgba(42, 198, 255, 0.2);
    }

    .process-step h3 {
      font-size: 17px;
      color: var(--white);
      margin-bottom: 9px;
    }

    .process-step p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* FAQ ========================= */
    .faq-section {
      background: linear-gradient(180deg, rgba(8, 14, 30, 0.5), rgba(7, 12, 25, 0.6));
    }

    .faq-accordion {
      max-width: 920px;
      margin: 30px auto 0;
      border: 0;
      background: transparent;
    }

    .faq-accordion .accordion-item {
      background: rgba(13, 23, 50, 0.74);
      border: 1px solid var(--border);
      border-radius: 16px;
      margin-bottom: 12px;
      padding: 0;
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
      backdrop-filter: blur(10px);
      overflow: hidden;
    }

    .faq-accordion .accordion-item.is-active {
      border-color: rgba(42, 198, 255, 0.45);
      box-shadow: 0 0 24px rgba(42, 198, 255, 0.08);
    }

    .faq-accordion .accordion-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      background: transparent;
      border-bottom: 1px solid transparent;
      font-size: 16px;
      font-weight: 600;
      color: var(--white);
      line-height: 1.5;
      border-radius: 16px;
    }

    .faq-accordion .accordion-item.is-active .accordion-title {
      color: var(--primary);
      border-bottom-color: rgba(144, 183, 255, 0.1);
    }

    .faq-accordion .accordion-title::after {
      content: "+";
      font-size: 28px;
      line-height: 1;
      color: var(--primary);
      font-weight: 300;
      font-family: var(--font);
      transition: transform 0.25s ease;
      margin-left: auto;
    }

    .faq-accordion .accordion-item.is-active .accordion-title::after {
      content: "×";
      transform: rotate(0);
      font-weight: 300;
    }

    .faq-accordion .accordion-content {
      padding: 0 24px 20px;
      background: transparent;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.78;
    }

    /* CTA Band =================== */
    .cta-band {
      position: relative;
      padding: 96px 0;
      background-image:
        linear-gradient(180deg, rgba(5, 9, 18, 0.8), rgba(5, 10, 20, 0.94)),
        url('/assets/images/backpic/back-3.webp');
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .cta-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(800px 320px at 50% 0%, rgba(42, 198, 255, 0.18), transparent 65%);
      z-index: 1;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 760px;
      margin-inline: auto;
    }

    .cta-inner .section-kicker {
      margin-bottom: 10px;
    }

    .cta-inner h2 {
      font-size: clamp(24px, 4vw, 34px);
      line-height: 1.25;
      color: var(--white);
    }

    .cta-inner p {
      margin: 20px auto 26px;
      color: rgba(220, 232, 249, 0.84);
      font-size: 15px;
      line-height: 1.75;
      max-width: 600px;
    }

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

    #faq,
    #journey,
    #cta-band {
      scroll-margin-top: 90px;
    }

    /* Back to Top */
    .to-top {
      position: fixed;
      right: 22px;
      bottom: 26px;
      z-index: 80;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(8, 14, 30, 0.82);
      border: 1px solid rgba(42, 198, 255, 0.44);
      color: var(--primary);
      font-size: 18px;
      backdrop-filter: blur(8px);
      box-shadow: 0 0 20px rgba(42, 198, 255, 0.28);
      cursor: pointer;
      transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    }

    .to-top:hover {
      transform: translateY(-3px);
      background: rgba(42, 198, 255, 0.2);
      box-shadow: 0 12px 28px rgba(42, 198, 255, 0.34);
    }

    /* Footer ===================== */
    .site-footer {
      background: rgba(4, 8, 17, 0.94);
      border-top: 1px solid rgba(122, 166, 255, 0.12);
      padding: 60px 0 28px;
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      top: -1px;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(42, 198, 255, 0.55), rgba(123, 108, 255, 0.45), transparent);
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.45fr 0.75fr 1fr;
      gap: 46px;
      padding-bottom: 34px;
    }

    .footer-brand p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      max-width: 420px;
      margin-top: 14px;
    }

    .footer-title {
      font-size: 15px;
      color: var(--white);
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.05em;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: color 0.2s ease, gap 0.2s ease;
    }

    .footer-links a i {
      color: rgba(42, 198, 255, 0.7);
      font-size: 12px;
    }

    .footer-links a:hover {
      color: var(--primary);
      gap: 12px;
    }

    .footer-contact-list {
      display: grid;
      gap: 9px;
    }

    .footer-contact-list li {
      display: flex;
      align-items: baseline;
      gap: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-contact-list i {
      color: var(--primary);
      width: 18px;
      flex-shrink: 0;
    }

    .footer-bottom {
      border-top: 1px solid rgba(144, 183, 255, 0.12);
      padding-top: 22px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      color: rgba(147, 167, 195, 0.72);
      font-size: 13px;
    }

    /* Responsive ========================= */
    @media (max-width: 1024px) {
      .section {
        padding: 78px 0;
      }

      .journey-item {
        grid-template-columns: 76px 1fr;
      }

      .journey-fit {
        grid-column: 2;
        max-width: 560px;
      }
    }

    @media (max-width: 900px) {
      .site-nav {
        position: absolute;
        top: calc(100% + 6px);
        left: 4%;
        right: 4%;
        z-index: 110;
        display: none;
        background: rgba(6, 12, 26, 0.98);
        border: 1px solid rgba(42, 198, 255, 0.25);
        border-radius: 16px;
        padding: 14px;
        box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(18px);
      }

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

      .site-nav ul {
        flex-direction: column;
        gap: 2px;
        align-items: stretch;
      }

      .nav-link {
        display: block;
        width: 100%;
        padding: 14px 16px;
        border-radius: 10px;
        color: rgba(224, 234, 248, 0.86);
      }

      .nav-link::after {
        display: none;
      }

      .site-nav .nav-item.is-active .nav-link {
        background: rgba(42, 198, 255, 0.1);
        color: var(--primary);
      }

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

      .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 64px 0;
      }

      .hero-copy h1 {
        font-size: 30px;
      }

      .page-hero {
        padding: 72px 0 62px;
      }

      .journey-item {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 24px 20px;
      }

      .journey-index {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        padding-left: 0;
      }

      .journey-index .step {
        font-size: 20px;
      }

      .journey-index .phase {
        padding-bottom: 0;
        border-bottom: 0;
        background: rgba(42, 198, 255, 0.1);
        padding: 3px 10px;
        border-radius: 999px;
      }

      .journey-fit {
        grid-column: auto;
        max-width: none;
      }

      .process-steps {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: calc(100% - 40px);
      }

      .hero-actions .btn {
        width: 100%;
      }

      .hero-badges {
        justify-content: flex-start;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 26px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .process-steps {
        grid-template-columns: 1fr;
      }

      .section-head h2 {
        font-size: 22px;
      }

      .scene-card {
        padding: 20px;
      }

      .scene-image img {
        height: 170px;
      }

      .cta-band {
        padding: 64px 0;
      }
    }

    @media (max-width: 500px) {
      .hero-note {
        padding: 18px;
      }

      .journey-tags {
        gap: 6px;
      }

      .tag {
        font-size: 11px;
        padding: 3px 8px;
      }

      .footer-contact-list li,
      .footer-links a {
        font-size: 13px;
      }
    }