/* roulang page: index */
:root{
  --bg:#050a17;
  --bg-soft:#071224;
  --bg-deep:#03060f;
  --panel:rgba(15,32,64,.55);
  --panel-2:rgba(20,44,86,.62);
  --line:rgba(110,170,255,.16);
  --line-strong:rgba(120,200,255,.38);
  --ink:#e9f2ff;
  --ink-2:#b9cbe6;
  --muted:#7f95b8;
  --brand:#35e6ff;
  --brand-2:#3d7dff;
  --brand-3:#8f7bff;
  --gold:#ffc766;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 44px -24px rgba(0,0,0,.92);
  --glow:0 0 0 1px rgba(53,230,255,.30), 0 16px 40px -16px rgba(53,230,255,.55);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(53,125,255,.22), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(53,230,255,.14), transparent 60%),
    radial-gradient(680px 520px at 50% 108%, rgba(143,123,255,.16), transparent 66%),
    var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:64px;
  display:flex;
  align-items:center;
  background:rgba(5,10,23,.72);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(4,8,19,.92);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg, rgba(53,230,255,.9), rgba(61,125,255,.85));
  box-shadow:0 8px 22px -10px rgba(53,230,255,.9);
  color:#04101f;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:14.5px;
  color:var(--ink-2);
  border-radius:9px;
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(53,125,255,.16)}
.nav-link.active{color:#fff;background:rgba(53,125,255,.22);box-shadow:inset 0 0 0 1px rgba(120,200,255,.28)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(53,230,255,.9);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  background:rgba(53,125,255,.14);
  border:1px solid var(--line);
  color:var(--ink);
  cursor:pointer;
  align-items:center;justify-content:center;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(53,125,255,.26)}
.nav-toggle span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:42px;padding:0 20px;
  font-size:14.5px;font-weight:600;letter-spacing:.4px;
  border-radius:10px;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color:#03101f;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,230,255,.6),0 22px 46px -18px rgba(53,230,255,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,230,255,.4),0 10px 24px -14px rgba(53,230,255,.6)}
.btn-ghost{
  background:rgba(53,125,255,.10);
  border-color:var(--line-strong);
  color:var(--ink);
}
.btn-ghost:hover{background:rgba(53,125,255,.22);transform:translateY(-2px);border-color:rgba(53,230,255,.6)}
.btn-sm{min-height:36px;padding:0 15px;font-size:13.5px;border-radius:9px}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:60px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(180deg, rgba(3,6,15,.82) 0%, rgba(5,10,23,.90) 55%, rgba(5,10,23,.99) 100%),
    url('/assets/images/d2e40bfebdcb14c5.webp');
  background-size:cover;
  background-position:center;
  opacity:.95;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 380px at 18% 22%, rgba(53,125,255,.32), transparent 68%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.6px;font-weight:600;
  color:var(--brand);
  padding:6px 13px;border-radius:999px;
  background:rgba(53,230,255,.09);
  border:1px solid rgba(53,230,255,.28);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.hero-title{
  margin:18px 0 16px;
  font-size:40px;
  line-height:1.24;
  letter-spacing:.4px;
  background:linear-gradient(120deg,#ffffff 22%, #a8e8ff 62%, #6fa8ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  color:var(--ink-2);
  background:rgba(20,44,86,.55);
  border:1px solid var(--line);
}
.tag.is-hot{color:#04101f;background:linear-gradient(135deg,#7cf7d4,#35e6ff);border-color:transparent}
.tag.is-gold{color:#2a1b02;background:linear-gradient(135deg,#ffd98a,#ffc766);border-color:transparent}

.hero-feature{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  background:linear-gradient(165deg, rgba(24,52,100,.72), rgba(8,18,38,.86));
  border:1px solid var(--line-strong);
  box-shadow:0 30px 70px -34px rgba(0,0,0,.98), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease, box-shadow .25s ease;
}
.hero-feature:hover{transform:translateY(-4px);box-shadow:0 36px 80px -32px rgba(0,0,0,1), 0 0 0 1px rgba(53,230,255,.35)}
.feature-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.hero-feature:hover .feature-img img{transform:scale(1.05)}
.feature-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(3,8,20,.05) 30%, rgba(4,10,24,.88) 100%);
}
.feature-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:12px;font-weight:700;letter-spacing:1px;
  padding:5px 11px;border-radius:8px;
  color:#03101f;background:linear-gradient(135deg,#7cf7d4,#35e6ff);
}
.feature-body{padding:20px 22px 22px}
.feature-kicker{font-size:12.5px;letter-spacing:1.4px;color:var(--brand);font-weight:600}
.feature-title{margin:9px 0 10px;font-size:19px;line-height:1.45}
.feature-text{font-size:13.8px;color:var(--ink-2);line-height:1.75}
.feature-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
}
.stat b{display:block;font-size:18px;letter-spacing:.4px;color:#fff}
.stat span{font-size:12px;color:var(--muted);letter-spacing:.6px}

/* ============ COUNTDOWN ============ */
.countdown-band{
  padding:26px 0;
  background:linear-gradient(90deg, rgba(12,28,58,.92), rgba(18,40,80,.66), rgba(12,28,58,.92));
  border-bottom:1px solid var(--line);
}
.cd-inner{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.cd-copy{flex:1 1 320px;min-width:260px}
.cd-copy h2{font-size:21px;letter-spacing:.4px}
.cd-copy p{margin-top:6px;font-size:13.6px;color:var(--ink-2)}
.cd-clock{display:flex;gap:10px;align-items:center}
.cd-unit{
  min-width:64px;padding:8px 10px;text-align:center;border-radius:12px;
  background:rgba(6,16,36,.82);
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cd-unit b{display:block;font-size:20px;font-variant-numeric:tabular-nums;color:var(--brand);letter-spacing:1px}
.cd-unit span{font-size:11.5px;color:var(--muted);letter-spacing:1px}

/* ============ SECTION ============ */
.section{padding:66px 0;position:relative}
.section--alt{background:linear-gradient(180deg, rgba(10,24,52,.62), rgba(5,10,23,.18));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-line{display:block;width:44px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2));margin-bottom:14px;box-shadow:0 0 14px rgba(53,230,255,.7)}
.section-head.center .sec-line{margin-left:auto;margin-right:auto}
.section-title{font-size:27px;letter-spacing:.3px}
.section-lead{margin-top:12px;font-size:14.6px;color:var(--ink-2);line-height:1.8}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

.card{
  position:relative;
  padding:22px;
  border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(22,48,94,.62), rgba(8,18,38,.78));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 26px 58px -26px rgba(0,0,0,1),0 0 0 1px rgba(53,230,255,.22)}
.card-icon{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg, rgba(53,230,255,.20), rgba(61,125,255,.24));
  border:1px solid rgba(53,230,255,.30);
  color:var(--brand);
  margin-bottom:15px;
}
.card-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card-title{font-size:16.5px;margin-bottom:9px}
.card-text{font-size:13.8px;color:var(--ink-2);line-height:1.78}
.card-tag{
  display:inline-block;margin-top:14px;
  font-size:12px;letter-spacing:.6px;font-weight:600;
  padding:4px 10px;border-radius:7px;
  color:var(--brand);
  background:rgba(53,230,255,.10);
  border:1px solid rgba(53,230,255,.24);
}
.card-num{
  position:absolute;top:16px;right:20px;
  font-size:34px;font-weight:800;letter-spacing:-1px;
  color:rgba(120,200,255,.13);
}

/* ============ RIGHTS TABLE ============ */
.rights-wrap{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(165deg, rgba(20,44,86,.55), rgba(7,16,34,.82));
  box-shadow:var(--shadow);
  overflow-x:auto;
  padding:6px;
}
.rights-table{width:100%;min-width:600px;border-collapse:separate;border-spacing:0}
.rights-table th,.rights-table td{
  padding:14px 16px;text-align:left;font-size:14px;
  border-bottom:1px solid rgba(110,170,255,.10);
}
.rights-table thead th{
  font-size:13px;letter-spacing:1px;color:var(--muted);font-weight:600;
  text-transform:none;
  background:rgba(53,125,255,.10);
}
.rights-table thead th:nth-child(3){color:var(--brand)}
.rights-table tbody tr:last-child td{border-bottom:0}
.rights-table tbody tr:hover td{background:rgba(53,125,255,.07)}
.rights-table td:first-child{color:var(--ink-2)}
.rights-table td:nth-child(3){color:#fff;font-weight:600}
.tier-name{display:flex;align-items:center;gap:7px;font-weight:700;color:#fff}
.tier-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 9px var(--brand)}
.tier-dot.gold{background:var(--gold);box-shadow:0 0 9px var(--gold)}
.tier-dot.violet{background:var(--brand-3);box-shadow:0 0 9px var(--brand-3)}
.rights-foot{margin-top:22px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.rights-note{font-size:13px;color:var(--muted);max-width:640px}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;padding:24px 20px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(22,48,94,.55), rgba(8,18,38,.72));
  border:1px solid var(--line);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 50px -26px rgba(0,0,0,1)}
.step-num{
  display:inline-grid;place-items:center;
  width:34px;height:34px;border-radius:10px;
  font-size:14px;font-weight:800;
  color:#03101f;background:linear-gradient(135deg,#7cf7d4,#35e6ff);
  box-shadow:0 10px 24px -12px rgba(53,230,255,.9);
  margin-bottom:14px;
}
.step-title{font-size:16px;margin-bottom:8px}
.step-text{font-size:13.6px;color:var(--ink-2);line-height:1.76}

/* ============ REWARDS ============ */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.reward-card{
  padding:20px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(24,52,100,.6), rgba(8,18,38,.76));
  border:1px solid var(--line);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 52px -26px rgba(0,0,0,1)}
.reward-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.reward-name{font-size:15.5px;font-weight:700}
.reward-val{font-size:12.5px;font-weight:700;color:var(--gold);letter-spacing:.5px}
.progress{margin-top:14px;height:7px;border-radius:99px;background:rgba(120,200,255,.14);overflow:hidden}
.progress i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-3));box-shadow:0 0 12px rgba(53,230,255,.7)}
.reward-sub{margin-top:10px;font-size:13px;color:var(--muted)}

/* ============ ABILITY / SCENE ============ */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ability{
  display:flex;gap:14px;padding:18px;border-radius:var(--radius);
  background:rgba(14,30,60,.55);
  border:1px solid var(--line);
  transition:background .22s ease, border-color .22s ease, transform .22s ease;
}
.ability:hover{background:rgba(22,48,94,.68);border-color:var(--line-strong);transform:translateY(-3px)}
.ability-ico{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(53,230,255,.12);border:1px solid rgba(53,230,255,.26);color:var(--brand);
}
.ability-ico svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ability b{display:block;font-size:15px;margin-bottom:5px}
.ability p{font-size:13.4px;color:var(--ink-2);line-height:1.72}

.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene{
  padding:24px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(20,44,86,.52), rgba(7,16,34,.8));
  position:relative;overflow:hidden;
  transition:transform .22s ease, border-color .22s ease;
}
.scene::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
  opacity:.55;
}
.scene:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.scene h3{font-size:17px;margin-bottom:10px}
.scene p{font-size:13.8px;color:var(--ink-2);line-height:1.78}
.scene ul{margin-top:14px;display:grid;gap:8px}
.scene li{position:relative;padding-left:16px;font-size:13.4px;color:var(--muted)}
.scene li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand);opacity:.85}

/* ============ CANNON / TOPIC ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(165deg, rgba(22,48,94,.6), rgba(8,18,38,.8));
  border:1px solid var(--line);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 26px 56px -28px rgba(0,0,0,1)}
.topic-img{aspect-ratio:16/10;overflow:hidden;position:relative}
.topic-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-img img{transform:scale(1.06)}
.topic-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,10,23,.72))}
.topic-body{padding:18px 20px 20px}
.topic-body h3{font-size:16.5px;margin-bottom:8px}
.topic-body p{font-size:13.6px;color:var(--ink-2);line-height:1.76}
.topic-meta{margin-top:13px;font-size:12.5px;color:var(--muted);letter-spacing:.4px}

/* ============ KPI ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.kpi{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(20,44,86,.62), rgba(7,16,34,.8));
  border:1px solid var(--line);
  transition:transform .22s ease, border-color .22s ease;
}
.kpi:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.kpi b{display:block;font-size:28px;letter-spacing:-.4px;background:linear-gradient(120deg,#fff,#67d9ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
.kpi i{display:block;margin-top:12px;height:5px;border-radius:99px;background:rgba(120,200,255,.14);overflow:hidden}
.kpi i em{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:99px}

/* ============ TIMELINE ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:15px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,200,255,.34),transparent);
}
.tl-item{position:relative;padding-top:40px}
.tl-item::before{
  content:"";position:absolute;top:9px;left:0;width:13px;height:13px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);box-shadow:0 0 14px rgba(53,230,255,.8);
}
.tl-item b{display:block;font-size:15px;margin-bottom:7px}
.tl-item span{display:block;font-size:12.5px;color:var(--brand);letter-spacing:1px;margin-bottom:6px}
.tl-item p{font-size:13.4px;color:var(--ink-2);line-height:1.74}

/* ============ CHANGELOG ============ */
.log-list{display:grid;gap:12px}
.log-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(14,30,60,.5);
  border:1px solid var(--line);
  transition:background .2s ease, border-color .2s ease;
}
.log-item:hover{background:rgba(22,48,94,.66);border-color:var(--line-strong)}
.log-ver{
  flex:0 0 auto;font-size:12.5px;font-weight:700;letter-spacing:.8px;
  padding:4px 10px;border-radius:7px;color:var(--brand);
  background:rgba(53,230,255,.10);border:1px solid rgba(53,230,255,.26);
}
.log-item p{font-size:13.8px;color:var(--ink-2);line-height:1.76}

/* ============ RANK ============ */
.rank-list{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:rgba(10,22,46,.55)}
.rank-row{
  display:grid;grid-template-columns:44px 1fr auto auto;gap:16px;align-items:center;
  padding:15px 20px;border-bottom:1px solid rgba(110,170,255,.10);
  transition:background .2s ease;
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:rgba(53,125,255,.10)}
.rank-idx{font-size:15px;font-weight:800;color:var(--muted)}
.rank-row:nth-child(1) .rank-idx{color:var(--gold)}
.rank-row:nth-child(2) .rank-idx{color:var(--brand)}
.rank-title{font-size:14.5px;color:var(--ink)}
.rank-metric{font-size:13px;color:var(--muted);white-space:nowrap}
.rank-trend{font-size:12.5px;font-weight:700;color:#7cf7d4;white-space:nowrap}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:start}
.news-main{display:grid;gap:14px}
.news-item{
  display:block;padding:20px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(20,44,86,.55), rgba(8,18,38,.78));
  border:1px solid var(--line);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 22px 48px -26px rgba(0,0,0,1)}
.news-item h3{font-size:16.5px;margin:9px 0 8px;line-height:1.5}
.news-item p{font-size:13.6px;color:var(--ink-2);line-height:1.76}
.news-time{display:inline-block;margin-top:11px;font-size:12.5px;color:var(--muted);letter-spacing:.4px}
.news-side{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(24,52,100,.6), rgba(7,16,34,.82));
  border:1px solid var(--line);
}
.news-side h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.news-side h3::before{content:"";width:3px;height:15px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.side-item{display:block;padding:11px 0;border-bottom:1px dashed rgba(110,170,255,.16);transition:color .2s ease}
.side-item:last-child{border-bottom:0}
.side-item:hover .side-title{color:var(--brand)}
.side-title{display:block;font-size:13.8px;line-height:1.6;color:var(--ink-2);transition:color .2s ease}
.side-time{display:block;margin-top:4px;font-size:12px;color:var(--muted)}
.empty-tip{font-size:13.8px;color:var(--muted);padding:18px 0}
.news-more{margin-top:6px}

/* ============ VOICE ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(22,48,94,.5), rgba(7,16,34,.8));
  border:1px solid var(--line);
  position:relative;
  transition:transform .22s ease, border-color .22s ease;
}
.voice:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.voice::before{
  content:"“";position:absolute;top:6px;right:18px;
  font-size:58px;line-height:1;color:rgba(120,200,255,.18);font-family:Georgia,serif;
}
.voice p{font-size:14px;color:var(--ink-2);line-height:1.82;position:relative;z-index:1}
.voice-user{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.voice-avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#03101f;
  background:linear-gradient(135deg,#7cf7d4,#3d7dff);
}
.voice-user b{display:block;font-size:13.8px}
.voice-user span{display:block;font-size:12px;color:var(--muted)}

/* ============ CHANNELS ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(165deg, rgba(24,52,100,.62), rgba(7,16,34,.85));
  border:1px solid var(--line);
  position:relative;overflow:hidden;
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.channel-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle, rgba(53,230,255,.24), transparent 70%);
  opacity:.7;transition:opacity .25s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 26px 56px -28px rgba(0,0,0,1)}
.channel-card:hover::after{opacity:1}
.channel-kicker{font-size:12.5px;letter-spacing:1.4px;color:var(--brand);font-weight:600}
.channel-card h3{font-size:19px;margin:10px 0 10px}
.channel-card p{font-size:13.8px;color:var(--ink-2);line-height:1.78}
.channel-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:600;color:var(--brand)}
.channel-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.channel-card:hover .channel-link svg{transform:translateX(4px)}

/* ============ JOIN CTA ============ */
.join{
  position:relative;
  padding:74px 0;
  overflow:hidden;
  border-top:1px solid var(--line);
  background-image:
    linear-gradient(180deg, rgba(4,9,20,.9), rgba(6,14,32,.94)),
    url('/assets/images/715a6e6e70d1e498.webp');
  background-size:cover;
  background-position:center;
}
.join::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 50% 10%, rgba(53,230,255,.22), transparent 70%);
}
.join-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;text-align:center}
.join-inner h2{font-size:30px;letter-spacing:.4px}
.join-inner p{margin:16px auto 26px;font-size:14.8px;color:var(--ink-2);line-height:1.85;max-width:660px}
.join-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.join-points{display:flex;justify-content:center;flex-wrap:wrap;gap:22px;margin-top:28px;font-size:13px;color:var(--muted)}
.join-points span{display:inline-flex;align-items:center;gap:7px}
.join-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand)}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg, rgba(4,9,20,.96), rgba(2,5,12,1));
  border-top:1px solid var(--line);
  padding:52px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.6px;color:var(--muted);line-height:1.8;max-width:360px}
.footer-col h4{font-size:14.5px;margin-bottom:14px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.6px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.6px;color:var(--muted);
}
.footer-bottom span{letter-spacing:.3px}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-title{font-size:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .ability-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:24px}
  .timeline::before{display:none}
  .news-grid{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    padding:12px 18px 18px;
    gap:4px;
    background:rgba(4,9,20,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -26px rgba(0,0,0,1);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px;min-height:44px;display:flex;align-items:center}
  .nav-link.active::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .hero{padding:40px 0 54px}
  .hero-title{font-size:30px}
  .section-title{font-size:23px}
  .grid-2,.grid-3,.grid-4,.steps,.reward-grid,.ability-grid,.scene-grid,.topic-grid,.kpi-grid,.timeline,.voice-grid{grid-template-columns:1fr}
  .cd-inner{gap:16px}
  .cd-clock{width:100%;justify-content:space-between}
  .cd-unit{flex:1 1 0;min-width:0}
  .join-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .rank-row{grid-template-columns:34px 1fr auto;gap:12px}
  .rank-trend{display:none}
  .rights-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-text{font-size:15.5px}
  .hero-title{font-size:26px;line-height:1.32}
  .hero-lead{font-size:14.4px}
  .btn{width:100%;padding:0 16px}
  .hero-actions .btn{width:100%}
  .nav-actions{margin-left:auto}
  .news-item{padding:16px}
  .news-side{padding:18px}
  .card{padding:18px}
  .join-inner p{font-size:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
 --bg:#050a17;
 --bg-soft:#071224;
 --bg-deep:#03060f;
 --panel:rgba(15,32,64,.55);
 --panel-2:rgba(20,44,86,.62);
 --line:rgba(110,170,255,.16);
 --line-strong:rgba(120,200,255,.38);
 --ink:#e9f2ff;
 --ink-2:#b9cbe6;
 --muted:#7f95b8;
 --brand:#35e6ff;
 --brand-2:#3d7dff;
 --brand-3:#8f7bff;
 --gold:#ffc766;
 --radius:16px;
 --radius-sm:10px;
 --shadow:0 18px 44px -24px rgba(0,0,0,.92);
 --glow:0 0 0 1px rgba(53,230,255,.30), 0 16px 40px -16px rgba(53,230,255,.55);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
body::before{
 content:"";
 position:fixed;
 inset:0;
 z-index:-1;
 background:
 radial-gradient(900px 520px at 12% -8%, rgba(53,125,255,.22), transparent 62%),
 radial-gradient(760px 460px at 92% 4%, rgba(53,230,255,.14), transparent 60%),
 radial-gradient(680px 520px at 50% 108%, rgba(143,123,255,.16), transparent 66%),
 var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ HEADER ============ */
.site-header{
 position:sticky;
 top:0;
 z-index:80;
 height:64px;
 display:flex;
 align-items:center;
 background:rgba(5,10,23,.72);
 border-bottom:1px solid transparent;
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
 background:rgba(4,8,19,.92);
 border-bottom-color:var(--line);
 box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
 width:34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg, rgba(53,230,255,.9), rgba(61,125,255,.85));
 box-shadow:0 8px 22px -10px rgba(53,230,255,.9);
 color:#04101f;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
 position:relative;
 padding:9px 14px;
 font-size:14.5px;
 color:var(--ink-2);
 border-radius:9px;
 transition:color .2s ease, background .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(53,125,255,.16)}
.nav-link.active{color:#fff;background:rgba(53,125,255,.22);box-shadow:inset 0 0 0 1px rgba(120,200,255,.28)}
.nav-link.active::after{
 content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
 width:16px;height:2px;border-radius:2px;background:var(--brand);
 box-shadow:0 0 10px rgba(53,230,255,.9);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;
 width:40px;height:40px;border-radius:10px;
 background:rgba(53,125,255,.14);
 border:1px solid var(--line);
 color:var(--ink);
 cursor:pointer;
 align-items:center;justify-content:center;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(53,125,255,.26)}
.nav-toggle span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ BUTTONS ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:7px;
 min-height:42px;padding:0 20px;
 font-size:14.5px;font-weight:600;letter-spacing:.4px;
 border-radius:10px;border:1px solid transparent;
 cursor:pointer;white-space:nowrap;
 transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary{
 background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
 color:#03101f;
 box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,230,255,.6),0 22px 46px -18px rgba(53,230,255,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,230,255,.4),0 10px 24px -14px rgba(53,230,255,.6)}
.btn-ghost{
 background:rgba(53,125,255,.10);
 border-color:var(--line-strong);
 color:var(--ink);
}
.btn-ghost:hover{background:rgba(53,125,255,.22);transform:translateY(-2px);border-color:rgba(53,230,255,.6)}
.btn-sm{min-height:36px;padding:0 15px;font-size:13.5px;border-radius:9px}

/* ============ ARTICLE HERO ============ */
.article-hero{
 position:relative;
 overflow:hidden;
 padding:34px 0 44px;
 border-bottom:1px solid var(--line);
}
.article-hero::before{
 content:"";
 position:absolute;inset:0;z-index:0;
 background-image:
  linear-gradient(180deg, rgba(3,6,15,.88) 0%, rgba(5,10,23,.93) 60%, rgba(5,10,23,.99) 100%),
  url('/assets/images/715a6e6e70d1e498.webp');
 background-size:cover;
 background-position:center;
}
.article-hero::after{
 content:"";
 position:absolute;inset:0;z-index:0;
 background:radial-gradient(760px 380px at 16% 12%, rgba(53,125,255,.26), transparent 70%);
}
.article-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);letter-spacing:.3px}
.crumb a{color:var(--ink-2);transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb i{font-style:normal;color:rgba(127,149,184,.6)}
.article-title{
 margin:16px 0 14px;
 font-size:36px;
 line-height:1.32;
 letter-spacing:.3px;
 font-weight:800;
 background:linear-gradient(120deg,#ffffff 28%, #a8e8ff 68%, #7fb0ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 max-width:940px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}
.meta-chip{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;color:var(--ink-2);
 padding:5px 12px;border-radius:999px;
 background:rgba(53,125,255,.12);
 border:1px solid var(--line);
}
.meta-chip strong{color:var(--brand);font-weight:600}
.article-lead{
 font-size:15.5px;line-height:1.9;color:var(--ink-2);
 max-width:860px;
}
.article-cover{
 position:relative;
 margin-top:28px;
 border-radius:var(--radius);
 overflow:hidden;
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 aspect-ratio:21/8;
 background:var(--bg-deep);
}
.article-cover img{width:100%;height:100%;object-fit:cover;opacity:.92}
.article-cover figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:22px 22px 16px;
 font-size:12.5px;color:var(--ink-2);
 background:linear-gradient(180deg, rgba(3,6,15,0), rgba(3,6,15,.88));
}

/* ============ STATS ============ */
.stat-strip{
 margin-top:-26px;
 position:relative;z-index:2;
}
.stat-grid{
 display:grid;grid-template-columns:repeat(4,1fr);
 gap:14px;
}
.stat-card{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius-sm);
 padding:16px 18px;
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.stat-card .stat-label{display:block;font-size:12px;letter-spacing:1px;color:var(--muted);margin-bottom:6px}
.stat-card .stat-value{display:block;font-size:15px;font-weight:700;color:var(--ink);line-height:1.5}
.stat-card .stat-value em{font-style:normal;color:var(--brand)}

/* ============ SECTION ============ */
.section{padding:58px 0;position:relative}
.section--alt{
 background:linear-gradient(180deg, rgba(7,18,36,.75), rgba(5,10,23,.32));
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.section-head{margin-bottom:30px;max-width:760px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;letter-spacing:1.8px;color:var(--brand);
 padding:5px 12px;border-radius:999px;
 background:rgba(53,230,255,.08);
 border:1px solid rgba(53,230,255,.24);
 margin-bottom:12px;
}
.section-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.section-title{font-size:25px;line-height:1.42;font-weight:800;letter-spacing:.3px;color:#fff}
.section-desc{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ============ ARTICLE BODY ============ */
.article-main{max-width:880px;margin:0 auto}
.article-body{
 font-size:15.8px;
 line-height:1.92;
 color:var(--ink-2);
}
.article-body h2{
 position:relative;
 margin:38px 0 16px;
 padding-left:14px;
 font-size:22px;
 line-height:1.5;
 color:#fff;
 letter-spacing:.3px;
}
.article-body h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
 background:linear-gradient(180deg, var(--brand), var(--brand-2));
 box-shadow:0 0 14px rgba(53,230,255,.6);
}
.article-body h3{margin:26px 0 12px;font-size:17.5px;color:#fff;letter-spacing:.2px}
.article-body p{margin:0 0 16px}
.article-body strong{color:#fff;font-weight:700}
.article-body em{color:var(--brand);font-style:normal}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(53,230,255,.4);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:#fff;border-color:#fff}
.article-body img{border-radius:14px;margin:22px 0;border:1px solid var(--line);width:100%}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;
 border-left:3px solid var(--brand);
 border-radius:0 var(--radius-sm) var(--radius-sm) 0;
 background:rgba(53,125,255,.10);
 color:var(--ink);
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(53,125,255,.14);color:#fff}
.empty-state{
 text-align:center;
 padding:56px 24px;
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
}
.empty-state h2{font-size:22px;color:#fff;margin-bottom:12px}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}

/* ============ POINT CARDS ============ */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.point-card{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px 22px 20px;
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.point-card:hover{
 transform:translateY(-4px);
 border-color:var(--line-strong);
 box-shadow:var(--shadow);
 background:var(--panel-2);
}
.point-icon{
 width:40px;height:40px;border-radius:12px;
 display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#04101f;
 background:linear-gradient(140deg, rgba(53,230,255,.92), rgba(61,125,255,.86));
 box-shadow:0 10px 24px -12px rgba(53,230,255,.9);
 margin-bottom:14px;
}
.point-card h3{font-size:16.5px;color:#fff;margin-bottom:8px;font-weight:700}
.point-card p{font-size:14px;line-height:1.85;color:var(--ink-2)}
.point-card .tagline{
 display:inline-block;margin-top:14px;
 font-size:12px;color:var(--brand);
 padding:4px 10px;border-radius:999px;
 background:rgba(53,230,255,.09);
 border:1px solid rgba(53,230,255,.24);
}

/* ============ TABLE ============ */
.table-wrap{
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 background:var(--panel);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
}
.advice-table{width:100%;border-collapse:collapse;font-size:14.5px}
.advice-table thead th{
 background:rgba(53,125,255,.18);
 color:#fff;font-weight:700;text-align:left;
 padding:14px 18px;font-size:13.5px;letter-spacing:.6px;
}
.advice-table tbody td{
 padding:15px 18px;
 border-top:1px solid var(--line);
 color:var(--ink-2);
 line-height:1.8;
}
.advice-table tbody tr{transition:background .2s ease}
.advice-table tbody tr:hover{background:rgba(53,125,255,.09)}
.advice-table tbody td:first-child{color:#fff;font-weight:600;white-space:nowrap}

/* ============ RELATED ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{
 display:flex;flex-direction:column;
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.9}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.related-body h3{font-size:16px;color:#fff;line-height:1.5}
.related-body p{font-size:13.5px;line-height:1.8;color:var(--ink-2);flex:1}
.related-body .tagline{
 align-self:flex-start;
 font-size:12px;color:var(--brand);
 padding:4px 10px;border-radius:999px;
 background:rgba(53,230,255,.09);
 border:1px solid rgba(53,230,255,.24);
}

/* ============ CTA BAND ============ */
.cta-band{
 position:relative;
 overflow:hidden;
 border-radius:22px;
 border:1px solid var(--line-strong);
 padding:44px 40px;
 background-image:
  linear-gradient(120deg, rgba(6,14,32,.94), rgba(9,26,58,.86)),
  url('/assets/images/8898ca593d8c10a3.webp');
 background-size:cover;
 background-position:center;
 box-shadow:0 30px 60px -40px rgba(53,230,255,.6);
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle, rgba(53,230,255,.28), transparent 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:25px;color:#fff;margin-bottom:10px;line-height:1.4}
.cta-inner p{font-size:14.5px;color:var(--ink-2);max-width:590px;line-height:1.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius-sm);
 padding:0 20px;
 transition:border-color .2s ease, background .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--panel-2)}
.faq-item summary{
 list-style:none;
 cursor:pointer;
 padding:17px 34px 17px 0;
 position:relative;
 font-size:15.5px;
 font-weight:600;
 color:#fff;
 line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";
 position:absolute;right:0;top:50%;transform:translateY(-50%);
 width:22px;height:22px;line-height:20px;text-align:center;
 border-radius:7px;font-size:15px;color:var(--brand);
 background:rgba(53,230,255,.10);
 border:1px solid rgba(53,230,255,.26);
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 0 18px;font-size:14.2px;line-height:1.9;color:var(--ink-2)}

/* ============ FOOTER ============ */
.site-footer{
 padding:56px 0 26px;
 background:linear-gradient(180deg, rgba(3,6,15,.65), rgba(2,4,10,.98));
 border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:13.8px;line-height:1.9;color:var(--muted);max-width:380px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.8px;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul li a{font-size:13.8px;color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
 margin-top:36px;padding-top:18px;
 border-top:1px solid var(--line);
 font-size:12.5px;color:var(--muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
 .hero-title{font-size:34px}
 .article-title{font-size:30px}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .point-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:980px){
 .main-nav{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:rgba(4,8,19,.98);
  border-bottom:1px solid var(--line);
  padding:12px 18px 18px;
  display:none;
  box-shadow:0 26px 50px -26px rgba(0,0,0,.95);
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:12px 14px;font-size:15px}
 .nav-link.active::after{left:14px;bottom:6px;transform:none;width:14px}
 .nav-toggle{display:inline-flex}
 .nav-actions .btn{min-height:38px;padding:0 15px;font-size:13.5px}
}
@media (max-width:768px){
 .container{padding:0 16px}
 .article-hero{padding:26px 0 34px}
 .article-title{font-size:25px;line-height:1.4}
 .article-lead{font-size:14.5px}
 .article-cover{aspect-ratio:16/9;margin-top:22px}
 .section{padding:42px 0}
 .section-title{font-size:21px}
 .stat-strip{margin-top:-18px}
 .stat-grid{grid-template-columns:1fr 1fr;gap:10px}
 .point-grid,.related-grid{grid-template-columns:1fr}
 .advice-table thead th,.advice-table tbody td{padding:12px 14px;font-size:13.5px}
 .advice-table tbody td:first-child{white-space:normal}
 .cta-band{padding:30px 22px;border-radius:18px}
 .cta-inner h2{font-size:21px}
 .table-wrap{overflow-x:auto}
 .article-body{font-size:15px}
 .article-body h2{font-size:19px}
}
@media (max-width:520px){
 .logo-text{font-size:15px}
 .nav-wrap{gap:12px}
 .nav-actions .btn{display:none}
 .article-title{font-size:22px}
 .stat-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .footer-bottom{flex-direction:column;gap:6px}
 .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#050a17;
  --bg-soft:#071224;
  --bg-deep:#03060f;
  --panel:rgba(15,32,64,.55);
  --panel-2:rgba(20,44,86,.62);
  --line:rgba(110,170,255,.16);
  --line-strong:rgba(120,200,255,.38);
  --ink:#e9f2ff;
  --ink-2:#b9cbe6;
  --muted:#7f95b8;
  --brand:#35e6ff;
  --brand-2:#3d7dff;
  --brand-3:#8f7bff;
  --gold:#ffc766;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 44px -24px rgba(0,0,0,.92);
  --glow:0 0 0 1px rgba(53,230,255,.30), 0 16px 40px -16px rgba(53,230,255,.55);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(53,125,255,.22), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(53,230,255,.14), transparent 60%),
    radial-gradient(680px 520px at 50% 108%, rgba(143,123,255,.16), transparent 66%),
    var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.hl{color:var(--brand);font-weight:700}
em.num{font-style:normal;color:var(--gold);font-weight:700}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;height:64px;display:flex;align-items:center;
  background:rgba(5,10,23,.72);border-bottom:1px solid transparent;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(4,8,19,.94);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(53,230,255,.9),rgba(61,125,255,.85));
  box-shadow:0 8px 22px -10px rgba(53,230,255,.9);
  color:#04101f;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
  position:relative;padding:9px 14px;font-size:14.5px;color:var(--ink-2);
  border-radius:9px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(53,125,255,.16)}
.nav-link.active{color:#fff;background:rgba(53,125,255,.22);box-shadow:inset 0 0 0 1px rgba(120,200,255,.28)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(53,230,255,.9);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(53,125,255,.14);border:1px solid var(--line);color:var(--ink);
  cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(53,125,255,.26)}
.nav-toggle span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:42px;padding:0 20px;font-size:14.5px;font-weight:600;letter-spacing:.4px;
  border-radius:10px;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#03101f;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,230,255,.6),0 22px 46px -18px rgba(53,230,255,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,230,255,.4),0 10px 24px -14px rgba(53,230,255,.6)}
.btn-ghost{background:rgba(53,125,255,.10);border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{background:rgba(53,125,255,.22);transform:translateY(-2px);border-color:rgba(53,230,255,.6)}
.btn-sm{min-height:36px;padding:0 15px;font-size:13.5px;border-radius:9px}

/* ============ HERO ============ */
.hero{position:relative;padding:62px 0 76px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(180deg,rgba(3,6,15,.84) 0%,rgba(5,10,23,.90) 52%,rgba(5,10,23,.99) 100%),
    url('/assets/images/715a6e6e70d1e498.webp');
  background-size:cover;background-position:center;opacity:.95;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 400px at 20% 24%,rgba(53,125,255,.32),transparent 68%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.6px;font-weight:600;color:var(--brand);
  padding:6px 13px;border-radius:999px;
  background:rgba(53,230,255,.09);border:1px solid rgba(53,230,255,.28);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.hero-title{
  margin:18px 0 16px;font-size:38px;line-height:1.26;letter-spacing:.4px;
  background:linear-gradient(120deg,#ffffff 22%,#a8e8ff 62%,#6fa8ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:15.5px;line-height:1.86;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;font-size:12.5px;color:var(--ink-2);
  border-radius:999px;border:1px solid var(--line);
  background:rgba(20,44,86,.45);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--line-strong);color:#fff;transform:translateY(-2px)}
.hero-kpi{display:flex;gap:26px;margin-top:28px;flex-wrap:wrap}
.kpi-item{min-width:92px}
.kpi-num{font-size:24px;font-weight:800;color:#fff;letter-spacing:.5px;line-height:1.2}
.kpi-num span{font-size:13px;color:var(--brand);margin-left:3px;font-weight:600}
.kpi-label{font-size:12.5px;color:var(--muted);letter-spacing:.6px;margin-top:2px}
.hero-visual{position:relative;padding:0 0 30px 14px}
.hero-shot{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:0 34px 78px -34px rgba(0,0,0,.96),0 0 0 1px rgba(53,230,255,.12);
  transform:rotate(1.4deg);
}
.hero-shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(5,10,23,.05) 30%,rgba(5,10,23,.62) 100%);
}
.hero-float{
  position:absolute;left:-6px;bottom:6px;z-index:2;
  padding:14px 18px;border-radius:14px;
  background:rgba(9,22,44,.86);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 20px 44px -22px rgba(0,0,0,.95);
  max-width:250px;
}
.hero-float h4{font-size:13px;color:var(--brand);letter-spacing:.8px;margin-bottom:4px}
.hero-float p{font-size:12.5px;line-height:1.66;color:var(--ink-2)}

/* ============ SECTION ============ */
.section{position:relative;padding:74px 0}
.section--alt{
  background:linear-gradient(180deg,rgba(7,18,36,.74),rgba(5,10,23,.92));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-head-main{max-width:660px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.8px;
  color:var(--brand);font-weight:600;margin-bottom:10px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent)}
.sec-title{font-size:27px;line-height:1.36;letter-spacing:.4px;color:#fff}
.sec-desc{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.82}
.sec-more{font-size:13.5px;color:var(--ink-2);border:1px solid var(--line-strong);padding:9px 16px;border-radius:9px;transition:.2s ease}
.sec-more:hover{color:#fff;background:rgba(53,125,255,.18);border-color:rgba(53,230,255,.6);transform:translateY(-2px)}

/* ============ CARDS ============ */
.card-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr))}
.glass-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
  overflow:hidden;
}
.glass-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,230,255,.55),transparent);
  opacity:0;transition:opacity .2s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,230,255,.48);
  background:var(--panel-2);
  box-shadow:0 26px 56px -26px rgba(0,0,0,.96),0 0 0 1px rgba(53,230,255,.16);
}
.glass-card:hover::before{opacity:1}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(53,230,255,.20),rgba(61,125,255,.24));
  border:1px solid rgba(53,230,255,.28);
  color:var(--brand);margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card-title{font-size:17px;color:#fff;letter-spacing:.3px;margin-bottom:9px}
.card-text{font-size:14px;line-height:1.8;color:var(--ink-2)}
.card-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.mini-tag{
  font-size:11.5px;padding:3px 9px;border-radius:6px;
  color:var(--brand);background:rgba(53,230,255,.10);
  border:1px solid rgba(53,230,255,.22);letter-spacing:.4px;
}

/* ============ SPLIT FEATURE ============ */
.split{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:44px;align-items:center}
.split-media{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:0 30px 66px -32px rgba(0,0,0,.95);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(5,10,23,0) 40%,rgba(5,10,23,.72) 100%);
}
.media-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  font-size:12px;letter-spacing:1px;color:#04101f;font-weight:700;
  padding:5px 12px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 24px -12px rgba(53,230,255,.9);
}
.check-list{display:grid;gap:16px;margin-top:22px}
.check-item{display:flex;gap:14px;align-items:flex-start}
.check-dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(53,230,255,.12);border:1px solid rgba(53,230,255,.3);
  color:var(--brand);font-size:12.5px;font-weight:800;
}
.check-item h4{font-size:15px;color:#fff;margin-bottom:4px}
.check-item p{font-size:13.5px;color:var(--ink-2);line-height:1.78}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;counter-reset:step}
.step{
  position:relative;padding:22px 18px 20px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(53,230,255,.45);background:var(--panel-2)}
.step-num{
  font-size:12px;font-weight:800;letter-spacing:1.4px;color:var(--brand);
  display:inline-block;margin-bottom:10px;
}
.step h4{font-size:15.5px;color:#fff;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--ink-2);line-height:1.75}
.step::after{
  content:"";position:absolute;right:-10px;top:50%;width:10px;height:1px;
  background:rgba(53,230,255,.35);
}
.step:last-child::after{display:none}

/* ============ SPEC TABLE ============ */
.spec-wrap{
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--panel);overflow:hidden;backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.spec-row{
  display:grid;grid-template-columns:1.1fr 1.3fr 1.1fr 1.5fr;
  gap:18px;padding:18px 22px;align-items:center;
  border-bottom:1px solid rgba(110,170,255,.10);
  transition:background .2s ease;
}
.spec-row:last-child{border-bottom:0}
.spec-row.head{
  background:rgba(53,125,255,.14);
  font-size:12.5px;letter-spacing:1.2px;color:var(--brand);font-weight:700;
}
.spec-row:not(.head):hover{background:rgba(53,125,255,.10)}
.spec-name{font-size:14.5px;color:#fff;font-weight:600}
.spec-cell{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.spec-cell .mini-tag{font-size:11px}

/* ============ STATS + COUNTDOWN ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:26px}
.stat-box{
  padding:20px 18px;border-radius:14px;
  background:rgba(20,44,86,.42);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.stat-box:hover{border-color:rgba(53,230,255,.45);transform:translateY(-3px)}
.stat-box .val{font-size:26px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:.5px}
.stat-box .val em{font-style:normal;font-size:13px;color:var(--brand);margin-left:4px;font-weight:600}
.stat-box .lab{font-size:12.5px;color:var(--muted);margin-top:6px;letter-spacing:.6px}
.countdown-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:22px 26px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(29,64,128,.62),rgba(12,26,52,.72));
  border:1px solid var(--line-strong);
  box-shadow:0 20px 50px -28px rgba(0,0,0,.95);
}
.countdown-info h4{font-size:16px;color:#fff;margin-bottom:6px}
.countdown-info p{font-size:13.5px;color:var(--ink-2)}
.cd-cells{display:flex;gap:10px}
.cd-cell{
  min-width:62px;text-align:center;padding:10px 8px;border-radius:11px;
  background:rgba(4,10,22,.66);border:1px solid rgba(53,230,255,.28);
}
.cd-cell b{display:block;font-size:20px;color:var(--brand);line-height:1.2;letter-spacing:1px}
.cd-cell span{font-size:11px;color:var(--muted);letter-spacing:1px}

/* ============ BRIEF LIST ============ */
.brief-list{display:grid;gap:14px}
.brief-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 22px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.brief-item:hover{transform:translateX(4px);border-color:rgba(53,230,255,.45);background:var(--panel-2)}
.brief-date{
  flex:0 0 auto;font-size:12px;letter-spacing:1px;color:var(--brand);
  padding:4px 10px;border-radius:7px;background:rgba(53,230,255,.10);
  border:1px solid rgba(53,230,255,.24);white-space:nowrap;margin-top:2px;
}
.brief-body h4{font-size:15px;color:#fff;margin-bottom:5px}
.brief-body p{font-size:13.5px;color:var(--ink-2);line-height:1.76}

/* ============ CHANNEL ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{
  display:block;position:relative;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(23,50,96,.62),rgba(9,20,40,.72));
  border:1px solid var(--line);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-card:hover{
  transform:translateY(-5px);border-color:rgba(53,230,255,.52);
  box-shadow:0 28px 60px -28px rgba(0,0,0,.96),0 0 0 1px rgba(53,230,255,.18);
}
.channel-card .ch-index{
  font-size:12px;letter-spacing:2px;color:var(--brand);font-weight:700;margin-bottom:12px;
}
.channel-card h3{font-size:18px;color:#fff;margin-bottom:9px}
.channel-card p{font-size:13.5px;color:var(--ink-2);line-height:1.78;min-height:72px}
.channel-card .ch-go{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;color:var(--brand);font-weight:600;
}
.channel-card .ch-go::after{content:"→";transition:transform .2s ease}
.channel-card:hover .ch-go::after{transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:14px;border:1px solid var(--line);
  background:var(--panel);overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(53,230,255,.42);background:var(--panel-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  font-size:15px;color:#fff;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 22px 20px;font-size:14px;line-height:1.82;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  padding:52px 44px;
  background-image:
    linear-gradient(120deg,rgba(6,14,30,.92),rgba(10,25,52,.86)),
    url('/assets/images/8898ca593d8c10a3.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);
  box-shadow:0 34px 80px -38px rgba(0,0,0,.98);
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);
  gap:34px;align-items:center;
}
.cta-band h2{font-size:27px;line-height:1.36;color:#fff;margin-bottom:12px}
.cta-band p{font-size:14.5px;color:var(--ink-2);line-height:1.82;max-width:520px}
.cta-side{display:grid;gap:12px}
.cta-side .btn{width:100%}
.cta-note{font-size:12.5px;color:var(--muted);letter-spacing:.4px}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;margin-top:20px;padding:56px 0 26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(4,9,20,.55),rgba(3,6,15,.96));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--ink-2);line-height:1.8;max-width:360px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:1px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--ink-2);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(110,170,255,.12);
  font-size:12.5px;color:var(--muted);letter-spacing:.4px;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-title{font-size:32px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{padding:0;max-width:640px;transform:none}
  .hero-shot{transform:none}
  .hero-float{position:static;margin-top:14px;max-width:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .step::after{display:none}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:1fr 1fr}
  .spec-row{grid-template-columns:1fr 1fr;gap:10px}
  .spec-row.head{display:none}
  .spec-name{grid-column:1/-1;font-size:15px;color:var(--brand)}
  .cta-band{grid-template-columns:1fr;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .main-nav{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 22px 20px;margin:0;
    background:rgba(4,9,20,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 50px -26px rgba(0,0,0,.98);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px;min-height:44px;display:flex;align-items:center}
  .nav-link.active::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{gap:14px}
  .nav-actions .btn{padding:0 14px;font-size:13.5px;min-height:38px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:44px 0 56px}
  .hero-title{font-size:27px}
  .sec-title{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .channel-grid{grid-template-columns:1fr}
  .channel-card p{min-height:0}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .countdown-bar{flex-direction:column;align-items:flex-start}
  .brief-item{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-title{font-size:24px}
  .hero-kpi{gap:18px}
  .steps{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .cd-cells{width:100%;justify-content:space-between}
  .cd-cell{flex:1;min-width:0}
  .logo-text{font-size:15px}
  .logo-text em{display:inline}
  .nav-actions .btn{display:none}
  .cta-band{padding:32px 20px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
 --bg:#050a17;
 --bg-soft:#071224;
 --bg-deep:#03060f;
 --panel:rgba(15,32,64,.55);
 --panel-2:rgba(20,44,86,.62);
 --line:rgba(110,170,255,.16);
 --line-strong:rgba(120,200,255,.38);
 --ink:#e9f2ff;
 --ink-2:#b9cbe6;
 --muted:#7f95b8;
 --brand:#35e6ff;
 --brand-2:#3d7dff;
 --brand-3:#8f7bff;
 --gold:#ffc766;
 --radius:16px;
 --radius-sm:10px;
 --shadow:0 18px 44px -24px rgba(0,0,0,.92);
 --glow:0 0 0 1px rgba(53,230,255,.30), 0 16px 40px -16px rgba(53,230,255,.55);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
body::before{
 content:"";
 position:fixed;
 inset:0;
 z-index:-1;
 background:
 radial-gradient(900px 520px at 12% -8%, rgba(53,125,255,.22), transparent 62%),
 radial-gradient(760px 460px at 92% 4%, rgba(53,230,255,.14), transparent 60%),
 radial-gradient(680px 520px at 50% 108%, rgba(143,123,255,.16), transparent 66%),
 var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ HEADER ============ */
.site-header{
 position:sticky;
 top:0;
 z-index:80;
 height:64px;
 display:flex;
 align-items:center;
 background:rgba(5,10,23,.72);
 border-bottom:1px solid transparent;
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
 background:rgba(4,8,19,.92);
 border-bottom-color:var(--line);
 box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
 width:34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg, rgba(53,230,255,.9), rgba(61,125,255,.85));
 box-shadow:0 8px 22px -10px rgba(53,230,255,.9);
 color:#04101f;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
 position:relative;
 padding:9px 14px;
 font-size:14.5px;
 color:var(--ink-2);
 border-radius:9px;
 transition:color .2s ease, background .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(53,125,255,.16)}
.nav-link.active{color:#fff;background:rgba(53,125,255,.22);box-shadow:inset 0 0 0 1px rgba(120,200,255,.28)}
.nav-link.active::after{
 content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
 width:16px;height:2px;border-radius:2px;background:var(--brand);
 box-shadow:0 0 10px rgba(53,230,255,.9);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;
 width:40px;height:40px;border-radius:10px;
 background:rgba(53,125,255,.14);
 border:1px solid var(--line);
 color:var(--ink);
 cursor:pointer;
 align-items:center;justify-content:center;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(53,125,255,.26)}
.nav-toggle span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ BUTTONS ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:7px;
 min-height:42px;padding:0 20px;
 font-size:14.5px;font-weight:600;letter-spacing:.4px;
 border-radius:10px;border:1px solid transparent;
 cursor:pointer;white-space:nowrap;
 transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary{
 background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
 color:#03101f;
 box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,230,255,.6),0 22px 46px -18px rgba(53,230,255,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,230,255,.4),0 10px 24px -14px rgba(53,230,255,.6)}
.btn-ghost{
 background:rgba(53,125,255,.10);
 border-color:var(--line-strong);
 color:var(--ink);
}
.btn-ghost:hover{background:rgba(53,125,255,.22);transform:translateY(-2px);border-color:rgba(53,230,255,.6)}
.btn-sm{min-height:36px;padding:0 15px;font-size:13.5px;border-radius:9px}

/* ============ HERO ============ */
.hero{
 position:relative;
 padding:58px 0 68px;
 overflow:hidden;
 border-bottom:1px solid var(--line);
}
.hero-bg{
 position:absolute;inset:0;z-index:0;
 background-image:
 linear-gradient(180deg, rgba(3,6,15,.84) 0%, rgba(5,10,23,.92) 55%, rgba(5,10,23,.99) 100%),
 url('/assets/images/8898ca593d8c10a3.webp');
 background-size:cover;
 background-position:center;
}
.hero-bg::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(720px 380px at 16% 20%, rgba(53,125,255,.34), transparent 68%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:1.6px;font-weight:600;
 color:var(--brand);
 padding:6px 13px;border-radius:999px;
 background:rgba(53,230,255,.09);
 border:1px solid rgba(53,230,255,.28);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.hero-title{
 margin:18px 0 16px;
 font-size:40px;
 line-height:1.24;
 letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 22%, #a8e8ff 62%, #6fa8ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}
.tag{
 display:inline-flex;align-items:center;
 padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.4px;
 color:#9fe6ff;
 background:rgba(53,230,255,.08);
 border:1px solid rgba(53,230,255,.26);
}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:9px 18px;max-width:620px}
.check-item{
 display:flex;align-items:flex-start;gap:9px;
 font-size:13.5px;color:var(--ink-2);line-height:1.6;
}
.check-item i{
 flex:0 0 auto;width:17px;height:17px;border-radius:5px;margin-top:3px;
 background:linear-gradient(140deg, rgba(53,230,255,.9), rgba(61,125,255,.85));
 display:grid;place-items:center;
 box-shadow:0 0 12px -2px rgba(53,230,255,.8);
}
.check-item i::after{
 content:"";width:8px;height:4px;border-left:2px solid #03101f;border-bottom:2px solid #03101f;
 transform:rotate(-45deg) translateY(-1px);
}
.hero-panel{
 position:relative;
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(160deg, rgba(23,50,96,.72), rgba(9,20,40,.86));
 box-shadow:var(--shadow);
 padding:22px;
 backdrop-filter:blur(12px);
 -webkit-backdrop-filter:blur(12px);
 overflow:hidden;
}
.hero-panel::before{
 content:"";position:absolute;inset:0 0 auto;height:2px;
 background:linear-gradient(90deg, transparent, var(--brand), transparent);
 opacity:.75;
}
.panel-head{
 display:flex;align-items:center;justify-content:space-between;
 gap:12px;padding-bottom:14px;border-bottom:1px dashed rgba(120,200,255,.24);
}
.panel-head h2{font-size:15px;letter-spacing:.6px;font-weight:700}
.panel-head span{font-size:11.5px;color:var(--muted);letter-spacing:1px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid rgba(110,170,255,.10)}
.panel-row:last-of-type{border-bottom:0}
.panel-k{font-size:14px;font-weight:600;color:var(--ink)}
.panel-k small{display:block;font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.3px}
.panel-v{font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap}
.panel-foot{
 margin-top:8px;padding-top:14px;border-top:1px solid rgba(110,170,255,.12);
 font-size:12px;color:var(--muted);line-height:1.65;
}

/* ============ SECTION ============ */
.section{padding:70px 0;position:relative;border-bottom:1px solid rgba(110,170,255,.10)}
.section.alt{background:linear-gradient(180deg, rgba(7,18,36,.82), rgba(5,10,23,.36))}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:600;letter-spacing:1.5px;color:var(--brand);margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent)}
.section-title{font-size:26px;line-height:1.35;letter-spacing:.4px;font-weight:800}
.section-sub{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:720px}

/* ============ CARD GRIDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
 position:relative;
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(165deg, rgba(19,41,80,.62), rgba(8,18,37,.86));
 box-shadow:var(--shadow);
 padding:24px 22px;
 transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{
 transform:translateY(-4px);
 border-color:var(--line-strong);
 box-shadow:0 26px 54px -26px rgba(0,0,0,.96), 0 0 0 1px rgba(53,230,255,.20);
}
.card-icon{
 width:42px;height:42px;border-radius:12px;
 display:grid;place-items:center;
 background:rgba(53,230,255,.10);
 border:1px solid rgba(53,230,255,.28);
 color:var(--brand);
 margin-bottom:16px;
}
.card-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card-title{font-size:17px;font-weight:700;letter-spacing:.3px;margin-bottom:10px}
.card-text{font-size:14px;color:var(--ink-2);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.mini-tag{
 font-size:11.5px;font-weight:600;letter-spacing:.3px;
 padding:3px 9px;border-radius:6px;
 color:#9fe6ff;background:rgba(53,230,255,.08);
 border:1px solid rgba(53,230,255,.22);
}
.mini-tag.gold{color:#ffd89a;background:rgba(255,199,102,.09);border-color:rgba(255,199,102,.28)}
.mini-tag.violet{color:#cbc2ff;background:rgba(143,123,255,.11);border-color:rgba(143,123,255,.30)}

/* ============ ARSENAL CARDS ============ */
.arsenal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.arsenal-card{
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(170deg, rgba(20,42,82,.62), rgba(7,16,33,.9));
 box-shadow:var(--shadow);
 overflow:hidden;
 transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.arsenal-card:hover{
 transform:translateY(-4px);
 border-color:var(--line-strong);
 box-shadow:0 28px 60px -28px rgba(0,0,0,.96), 0 0 0 1px rgba(53,230,255,.18);
}
.arsenal-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep)}
.arsenal-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.arsenal-card:hover .arsenal-media img{transform:scale(1.05)}
.arsenal-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg, rgba(3,6,15,0) 38%, rgba(4,10,22,.86) 100%);
}
.arsenal-level{
 position:absolute;left:14px;top:14px;z-index:1;
 font-size:11.5px;font-weight:700;letter-spacing:1px;
 padding:4px 10px;border-radius:999px;
 color:#03101f;
 background:linear-gradient(135deg, var(--brand), var(--brand-2));
}
.arsenal-body{padding:20px}
.arsenal-body h3{font-size:17px;font-weight:700;letter-spacing:.3px;margin-bottom:9px}
.arsenal-body p{font-size:13.8px;color:var(--ink-2);line-height:1.78}
.arsenal-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}

/* ============ SCENE LIST ============ */
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene-item{
 display:flex;gap:16px;align-items:flex-start;
 padding:22px;
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:rgba(13,29,58,.55);
 transition:border-color .2s ease, background .2s ease, transform .2s ease;
}
.scene-item:hover{border-color:var(--line-strong);background:rgba(18,40,78,.66);transform:translateY(-3px)}
.scene-num{
 flex:0 0 auto;width:38px;height:38px;border-radius:11px;
 display:grid;place-items:center;
 font-size:14px;font-weight:800;color:var(--brand);
 background:rgba(53,230,255,.09);
 border:1px solid rgba(53,230,255,.26);
}
.scene-body h3{font-size:15.5px;font-weight:700;margin-bottom:8px;letter-spacing:.2px}
.scene-body p{font-size:13.8px;color:var(--ink-2);line-height:1.78}

/* ============ COMPARE TABLE ============ */
.compare-wrap{
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(170deg, rgba(17,37,74,.6), rgba(6,14,29,.9));
 box-shadow:var(--shadow);
 overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table caption{
 text-align:left;padding:20px 22px 6px;font-size:13px;color:var(--muted);letter-spacing:.4px;
}
.compare-table th,.compare-table td{padding:15px 20px;text-align:left;font-size:14px;border-bottom:1px solid rgba(110,170,255,.10)}
.compare-table thead th{
 font-size:12.5px;letter-spacing:1.2px;color:var(--muted);font-weight:600;
 background:rgba(10,24,48,.7);white-space:nowrap;
}
.compare-table tbody th{font-weight:700;color:var(--ink);white-space:nowrap}
.compare-table tbody td{color:var(--ink-2)}
.compare-table tbody tr{transition:background .2s ease}
.compare-table tbody tr:hover{background:rgba(53,125,255,.10)}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:2px 9px;border-radius:6px;font-size:12px;font-weight:600}
.pill.hi{color:#ffd89a;background:rgba(255,199,102,.10);border:1px solid rgba(255,199,102,.26)}
.pill.mid{color:#9fe6ff;background:rgba(53,230,255,.08);border:1px solid rgba(53,230,255,.24)}
.pill.low{color:#cbc2ff;background:rgba(143,123,255,.10);border:1px solid rgba(143,123,255,.26)}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
 position:relative;
 padding:24px 20px 22px;
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(165deg, rgba(18,40,78,.58), rgba(7,16,33,.88));
 box-shadow:var(--shadow);
 transition:transform .2s ease, border-color .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:30px;height:30px;border-radius:9px;margin-bottom:14px;
 font-size:13px;font-weight:800;color:#03101f;
 background:linear-gradient(135deg, var(--brand), var(--brand-2));
 box-shadow:0 10px 24px -12px rgba(53,230,255,.9);
}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--ink-2);line-height:1.76}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 border-radius:var(--radius-sm);
 border:1px solid var(--line);
 background:rgba(13,29,58,.55);
 overflow:hidden;
 transition:border-color .2s ease, background .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(17,37,74,.7)}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 20px;
 font-size:15px;font-weight:600;color:var(--ink);
 cursor:pointer;list-style:none;
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
 content:"";flex:0 0 auto;width:9px;height:9px;
 border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
 transform:rotate(45deg);transition:transform .22s ease;margin-top:-3px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.faq-answer{padding:0 20px 18px;font-size:14px;color:var(--ink-2);line-height:1.82}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 padding:22px;
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(170deg, rgba(18,40,78,.55), rgba(7,16,33,.88));
 box-shadow:var(--shadow);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.news-card:hover{
 transform:translateY(-4px);border-color:var(--line-strong);
 box-shadow:0 26px 54px -28px rgba(0,0,0,.96), 0 0 0 1px rgba(53,230,255,.18);
}
.news-cat{
 align-self:flex-start;
 font-size:11.5px;font-weight:700;letter-spacing:.6px;
 padding:3px 10px;border-radius:6px;
 color:#9fe6ff;background:rgba(53,230,255,.08);
 border:1px solid rgba(53,230,255,.24);
}
.news-card h3{font-size:16px;font-weight:700;line-height:1.55;letter-spacing:.2px}
.news-card:hover h3{color:var(--brand)}
.news-card p{font-size:13.5px;color:var(--ink-2);line-height:1.76}
.news-date{font-size:12px;color:var(--muted);letter-spacing:.4px;margin-top:auto;padding-top:6px}
.empty-note{
 padding:26px 24px;border-radius:var(--radius);
 border:1px dashed rgba(120,200,255,.28);
 background:rgba(13,29,58,.45);
 font-size:14px;color:var(--muted);
}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius);
 border:1px solid rgba(53,230,255,.30);
 background:
 linear-gradient(120deg, rgba(15,45,92,.90), rgba(7,18,37,.92)),
 url('/assets/images/caac29afa7153b87.webp') center/cover no-repeat;
 padding:44px 40px;
 box-shadow:0 30px 70px -34px rgba(53,230,255,.45);
 display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.4;font-weight:800;letter-spacing:.4px;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--ink-2);max-width:560px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FOOTER ============ */
.site-footer{
 border-top:1px solid var(--line);
 background:linear-gradient(180deg, rgba(5,10,23,.5), rgba(3,6,15,.96));
 padding:52px 0 26px;
 margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px}
.footer-brand p{margin-top:16px;font-size:13.5px;color:var(--muted);line-height:1.85;max-width:380px}
.footer-col h4{font-size:13.5px;letter-spacing:1.2px;color:var(--ink);margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease, padding-left .2s ease}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding-top:22px;border-top:1px solid rgba(110,170,255,.12);
 font-size:12.5px;color:var(--muted);letter-spacing:.3px;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-title{font-size:34px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .arsenal-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:30px}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .main-nav{
  position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;
  margin:0;padding:14px 22px 20px;
  background:rgba(4,9,20,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 48px -26px rgba(0,0,0,.96);
  display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:12px 14px;font-size:15px;min-height:44px;display:flex;align-items:center}
 .nav-link.active::after{display:none}
 .grid-3{grid-template-columns:1fr}
 .arsenal-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .scene-list{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .section{padding:54px 0}
 .section-title{font-size:22px}
 .cta-band{padding:34px 26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero{padding:42px 0 52px}
 .hero-title{font-size:27px}
 .hero-lead{font-size:14.5px}
 .check-list{grid-template-columns:1fr}
 .hero-actions .btn{flex:1 1 100%}
 .grid-4{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .cta-band{padding:28px 20px}
 .cta-band h2{font-size:20px}
 .cta-actions{width:100%}
 .cta-actions .btn{flex:1 1 100%}
 .compare-table th,.compare-table td{padding:12px 14px;font-size:13px}
}

/* roulang page: category3 */
:root{
 --bg:#050a17;
 --bg-soft:#071224;
 --bg-deep:#03060f;
 --panel:rgba(15,32,64,.55);
 --panel-2:rgba(20,44,86,.62);
 --line:rgba(110,170,255,.16);
 --line-strong:rgba(120,200,255,.38);
 --ink:#e9f2ff;
 --ink-2:#b9cbe6;
 --muted:#7f95b8;
 --brand:#35e6ff;
 --brand-2:#3d7dff;
 --brand-3:#8f7bff;
 --gold:#ffc766;
 --radius:16px;
 --radius-sm:10px;
 --shadow:0 18px 44px -24px rgba(0,0,0,.92);
 --glow:0 0 0 1px rgba(53,230,255,.30), 0 16px 40px -16px rgba(53,230,255,.55);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
body::before{
 content:"";
 position:fixed;
 inset:0;
 z-index:-1;
 background:
 radial-gradient(900px 520px at 12% -8%, rgba(53,125,255,.22), transparent 62%),
 radial-gradient(760px 460px at 92% 4%, rgba(53,230,255,.14), transparent 60%),
 radial-gradient(680px 520px at 50% 108%, rgba(143,123,255,.16), transparent 66%),
 var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(53,230,255,.32);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
/* ============ HEADER ============ */
.site-header{
 position:sticky;
 top:0;
 z-index:80;
 height:64px;
 display:flex;
 align-items:center;
 background:rgba(5,10,23,.72);
 border-bottom:1px solid transparent;
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
 background:rgba(4,8,19,.92);
 border-bottom-color:var(--line);
 box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
 width:34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg, rgba(53,230,255,.9), rgba(61,125,255,.85));
 box-shadow:0 8px 22px -10px rgba(53,230,255,.9);
 color:#04101f;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-link{
 position:relative;
 padding:9px 14px;
 font-size:14.5px;
 color:var(--ink-2);
 border-radius:9px;
 transition:color .2s ease, background .2s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(53,125,255,.16)}
.nav-link.active{color:#fff;background:rgba(53,125,255,.22);box-shadow:inset 0 0 0 1px rgba(120,200,255,.28)}
.nav-link.active::after{
 content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
 width:16px;height:2px;border-radius:2px;background:var(--brand);
 box-shadow:0 0 10px rgba(53,230,255,.9);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;
 width:40px;height:40px;border-radius:10px;
 background:rgba(53,125,255,.14);
 border:1px solid var(--line);
 color:var(--ink);
 cursor:pointer;
 align-items:center;justify-content:center;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(53,125,255,.26)}
.nav-toggle span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
/* ============ BUTTONS ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:7px;
 min-height:42px;padding:0 20px;
 font-size:14.5px;font-weight:600;letter-spacing:.4px;
 border-radius:10px;border:1px solid transparent;
 cursor:pointer;white-space:nowrap;
 transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary{
 background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
 color:#03101f;
 box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,230,255,.6),0 22px 46px -18px rgba(53,230,255,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,230,255,.4),0 10px 24px -14px rgba(53,230,255,.6)}
.btn-ghost{
 background:rgba(53,125,255,.10);
 border-color:var(--line-strong);
 color:var(--ink);
}
.btn-ghost:hover{background:rgba(53,125,255,.22);transform:translateY(-2px);border-color:rgba(53,230,255,.6)}
.btn-sm{min-height:36px;padding:0 15px;font-size:13.5px;border-radius:9px}
/* ============ TAG / BADGE ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;
 font-size:12.5px;letter-spacing:.4px;
 color:var(--ink-2);
 background:rgba(53,125,255,.12);
 border:1px solid var(--line);
 border-radius:999px;
 transition:border-color .2s ease, color .2s ease, background .2s ease;
}
.tag:hover{color:#fff;border-color:rgba(53,230,255,.5);background:rgba(53,230,255,.12)}
.tag-gold{color:var(--gold);background:rgba(255,199,102,.10);border-color:rgba(255,199,102,.32)}
.badge{
 display:inline-block;
 padding:3px 10px;
 font-size:12px;font-weight:600;letter-spacing:.5px;
 color:var(--brand);
 background:rgba(53,230,255,.10);
 border:1px solid rgba(53,230,255,.28);
 border-radius:999px;
}
/* ============ HERO (分类页变体) ============ */
.cat-hero{
 position:relative;
 padding:62px 0 70px;
 overflow:hidden;
 border-bottom:1px solid var(--line);
}
.cat-hero-bg{
 position:absolute;inset:0;z-index:0;
 background-image:
 linear-gradient(180deg, rgba(3,6,15,.84) 0%, rgba(5,10,23,.92) 58%, rgba(5,10,23,.99) 100%),
 url('/assets/images/715a6e6e70d1e498.webp');
 background-size:cover;
 background-position:center;
 opacity:.95;
}
.cat-hero-bg::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(760px 400px at 20% 18%, rgba(53,125,255,.34), transparent 68%);
}
.cat-hero .container{position:relative;z-index:1}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:1.6px;font-weight:600;
 color:var(--brand);
 padding:6px 13px;border-radius:999px;
 background:rgba(53,230,255,.09);
 border:1px solid rgba(53,230,255,.28);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.cat-hero h1{
 margin:18px 0 16px;
 font-size:38px;
 line-height:1.26;
 letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 22%, #a8e8ff 62%, #6fa8ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero h1 em{font-style:normal}
.hero-lead{font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
/* Hero 右侧面板 */
.board{
 border-radius:var(--radius);
 background:linear-gradient(160deg, rgba(23,49,94,.72), rgba(10,22,45,.78));
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 padding:22px;
}
.board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.board-head h2{font-size:15px;letter-spacing:.6px;color:var(--ink)}
.board-head .dot{
 display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--brand);
}
.board-head .dot::before{
 content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);
 box-shadow:0 0 10px var(--brand);
}
.board-list{display:grid;gap:11px}
.board-row{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:11px 14px;
 border-radius:var(--radius-sm);
 background:rgba(9,20,40,.62);
 border:1px solid rgba(110,170,255,.12);
 transition:border-color .2s ease, transform .2s ease;
}
.board-row:hover{border-color:rgba(53,230,255,.4);transform:translateY(-2px)}
.board-row .k{font-size:13.5px;color:var(--ink-2)}
.board-row .v{font-size:14px;font-weight:700;color:#fff}
.board-row .v small{font-size:11.5px;color:var(--muted);font-weight:500;margin-left:4px}
.board-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7}
/* ============ SECTION ============ */
.section{padding:66px 0;border-bottom:1px solid rgba(110,170,255,.08)}
.section-alt{background:linear-gradient(180deg, rgba(7,18,36,.72), rgba(5,10,23,0) 78%)}
.section-deep{background:rgba(3,6,15,.62)}
.section-head{max-width:720px;margin-bottom:34px}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:600;letter-spacing:1.6px;
 color:var(--brand);
 margin-bottom:12px;
}
.section-kicker::before{
 content:"";width:26px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),rgba(53,230,255,0));
}
.section-head h2{
 font-size:26px;line-height:1.36;letter-spacing:.3px;color:#fff;margin-bottom:12px;
}
.section-head p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .section-kicker::before{display:none}
/* ============ 时间线 ============ */
.cycle-track{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cycle-step{
 position:relative;
 padding:24px 20px;
 border-radius:var(--radius);
 background:var(--panel);
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.cycle-step:hover{
 transform:translateY(-4px);
 border-color:rgba(53,230,255,.42);
 box-shadow:0 24px 52px -26px rgba(53,230,255,.55);
 background:var(--panel-2);
}
.cycle-step .step-no{
 display:inline-flex;align-items:center;justify-content:center;
 width:32px;height:32px;border-radius:10px;
 font-size:13px;font-weight:800;color:#03101f;
 background:linear-gradient(140deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 24px -12px rgba(53,230,255,.9);
 margin-bottom:14px;
}
.cycle-step h3{font-size:16px;color:#fff;margin-bottom:8px;letter-spacing:.3px}
.cycle-step p{font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.cycle-step .step-tag{
 display:inline-block;margin-top:14px;font-size:12px;color:var(--muted);
 border-top:1px dashed rgba(110,170,255,.22);padding-top:10px;width:100%;
}
/* ============ 活动类型 ============ */
.event-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.event-card{
 display:grid;grid-template-columns:132px 1fr;gap:0;
 border-radius:var(--radius);
 overflow:hidden;
 background:var(--panel);
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.event-card:hover{
 transform:translateY(-4px);
 border-color:rgba(53,230,255,.42);
 box-shadow:0 26px 54px -26px rgba(53,230,255,.5);
}
.event-thumb{position:relative;overflow:hidden;background:rgba(9,20,40,.8)}
.event-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1;opacity:.92;transition:transform .35s ease, opacity .35s ease}
.event-card:hover .event-thumb img{transform:scale(1.05);opacity:1}
.event-body{padding:20px 22px}
.event-body h3{font-size:16.5px;color:#fff;margin-bottom:8px;letter-spacing:.3px}
.event-body p{font-size:13.8px;line-height:1.8;color:var(--ink-2);margin-bottom:12px}
.event-meta{display:flex;flex-wrap:wrap;gap:8px}
/* ============ 规则 / 资格 ============ */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rule-item{
 padding:22px;
 border-radius:var(--radius);
 background:linear-gradient(160deg, rgba(20,44,86,.55), rgba(9,20,40,.6));
 border:1px solid var(--line);
 transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.rule-item:hover{transform:translateY(-3px);border-color:rgba(120,200,255,.45);background:linear-gradient(160deg, rgba(24,54,104,.7), rgba(11,24,48,.7))}
.rule-icon{
 width:40px;height:40px;border-radius:12px;
 display:grid;place-items:center;
 color:var(--brand);
 background:rgba(53,230,255,.10);
 border:1px solid rgba(53,230,255,.24);
 margin-bottom:14px;
}
.rule-icon svg{width:20px;height:20px}
.rule-item h3{font-size:15.5px;color:#fff;margin-bottom:8px}
.rule-item p{font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.rule-item strong{color:var(--gold);font-weight:600}
/* ============ 奖励池 ============ */
.pool-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center}
.pool-panel{
 padding:26px;
 border-radius:var(--radius);
 background:linear-gradient(160deg, rgba(23,49,94,.68), rgba(8,18,38,.82));
 border:1px solid var(--line);
 box-shadow:var(--shadow);
}
.pool-panel h3{font-size:17px;color:#fff;margin-bottom:6px}
.pool-panel .pool-sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.pool-item{margin-bottom:18px}
.pool-item:last-child{margin-bottom:0}
.pool-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}
.pool-top .name{font-size:14px;color:var(--ink)}
.pool-top .num{font-size:13.5px;font-weight:700;color:var(--brand)}
.pool-bar{height:8px;border-radius:999px;background:rgba(110,170,255,.14);overflow:hidden}
.pool-bar i{
 display:block;height:100%;border-radius:999px;
 background:linear-gradient(90deg,var(--brand-2),var(--brand));
 box-shadow:0 0 12px rgba(53,230,255,.6);
}
.pool-bar i.gold{background:linear-gradient(90deg,#ff9d3d,var(--gold));box-shadow:0 0 12px rgba(255,199,102,.55)}
.pool-bar i.violet{background:linear-gradient(90deg,#6f5cff,var(--brand-3));box-shadow:0 0 12px rgba(143,123,255,.55)}
.pool-figure{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.pool-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;opacity:.95}
.pool-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:16px 18px;
 font-size:13px;color:var(--ink-2);
 background:linear-gradient(180deg, rgba(3,6,15,0), rgba(3,6,15,.92));
}
/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card{
 padding:24px 22px;
 border-radius:var(--radius);
 background:var(--panel);
 border:1px solid var(--line);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.scene-card:nth-child(2){background:linear-gradient(160deg, rgba(24,54,104,.62), rgba(9,20,40,.7))}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(53,230,255,.4);box-shadow:0 24px 50px -28px rgba(53,230,255,.5)}
.scene-card h3{font-size:16px;color:#fff;margin-bottom:10px}
.scene-card p{font-size:13.6px;line-height:1.82;color:var(--ink-2);margin-bottom:14px}
.scene-list{display:grid;gap:8px}
.scene-list li{
 position:relative;padding-left:16px;
 font-size:13.2px;color:var(--muted);line-height:1.7;
}
.scene-list li::before{
 content:"";position:absolute;left:0;top:9px;
 width:5px;height:5px;border-radius:50%;
 background:var(--brand);box-shadow:0 0 8px rgba(53,230,255,.8);
}
/* ============ 日历 ============ */
.calendar{
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:rgba(7,18,36,.6);
 overflow:hidden;
 box-shadow:var(--shadow);
}
.calendar-row{
 display:grid;
 grid-template-columns:120px 1fr 150px 130px;
 gap:16px;
 align-items:center;
 padding:16px 22px;
 border-bottom:1px solid rgba(110,170,255,.1);
 transition:background .2s ease;
}
.calendar-row:last-child{border-bottom:0}
.calendar-row:hover{background:rgba(53,125,255,.08)}
.calendar-head{
 background:rgba(20,44,86,.5);
 font-size:12.5px;letter-spacing:1.2px;color:var(--muted);font-weight:600;
}
.calendar-row .day{font-size:14px;font-weight:700;color:#fff}
.calendar-row .event{font-size:13.8px;color:var(--ink-2)}
.calendar-row .time{font-size:13.2px;color:var(--muted)}
.calendar-row .state{font-size:13px;text-align:right}
.state-live{color:var(--brand);font-weight:600}
.state-soon{color:var(--gold);font-weight:600}
.state-open{color:var(--ink-2)}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 border-radius:var(--radius-sm);
 border:1px solid var(--line);
 background:var(--panel);
 overflow:hidden;
 transition:border-color .2s ease, background .2s ease;
}
.faq-item[open]{border-color:rgba(53,230,255,.36);background:var(--panel-2)}
.faq-item summary{
 cursor:pointer;
 list-style:none;
 padding:17px 22px;
 font-size:15px;font-weight:600;color:#fff;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
 content:"+";
 flex:0 0 auto;
 width:24px;height:24px;border-radius:8px;
 display:grid;place-items:center;
 font-size:16px;font-weight:500;color:var(--brand);
 background:rgba(53,230,255,.1);
 border:1px solid rgba(53,230,255,.24);
 transition:transform .2s ease, background .2s ease;
}
.faq-item[open] summary::after{content:"−";background:rgba(53,230,255,.2)}
.faq-body{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--ink-2)}
/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
 display:flex;flex-direction:column;
 padding:22px;
 border-radius:var(--radius);
 background:var(--panel);
 border:1px solid var(--line);
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.news-card:hover{
 transform:translateY(-4px);
 border-color:rgba(53,230,255,.42);
 box-shadow:0 24px 50px -26px rgba(53,230,255,.5);
 background:var(--panel-2);
}
.news-card .news-cat{
 align-self:flex-start;
 font-size:12px;color:var(--brand);
 padding:3px 10px;border-radius:999px;
 background:rgba(53,230,255,.1);border:1px solid rgba(53,230,255,.24);
 margin-bottom:12px;
}
.news-card h3{font-size:15.5px;line-height:1.6;color:#fff;margin-bottom:10px}
.news-card p{font-size:13.4px;line-height:1.8;color:var(--ink-2);margin-bottom:16px}
.news-card .news-time{margin-top:auto;font-size:12.5px;color:var(--muted)}
.news-empty{
 padding:26px;
 border-radius:var(--radius);
 border:1px dashed var(--line-strong);
 color:var(--muted);font-size:14px;text-align:center;
}
.news-more{display:flex;justify-content:center;margin-top:30px}
/* ============ 收口 CTA + 频道 ============ */
.closing{
 padding:70px 0;
 position:relative;
 overflow:hidden;
 border-top:1px solid var(--line);
}
.closing::before{
 content:"";position:absolute;inset:0;z-index:0;
 background:
 radial-gradient(680px 360px at 22% 10%, rgba(53,125,255,.26), transparent 66%),
 radial-gradient(560px 320px at 82% 90%, rgba(143,123,255,.2), transparent 68%);
}
.closing .container{position:relative;z-index:1}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:44px}
.channel-card{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:18px 22px;
 border-radius:var(--radius-sm);
 background:rgba(15,32,64,.6);
 border:1px solid var(--line);
 transition:transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.channel-card:hover{
 transform:translateY(-3px);
 border-color:rgba(53,230,255,.45);
 background:rgba(24,54,104,.7);
 box-shadow:0 20px 44px -24px rgba(53,230,255,.55);
}
.channel-card .ch-name{font-size:14.5px;font-weight:600;color:#fff}
.channel-card .ch-desc{font-size:12.5px;color:var(--muted);margin-top:2px}
.channel-card .ch-arrow{color:var(--brand);font-size:16px;font-weight:700}
.cta-panel{
 display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
 padding:36px;
 border-radius:var(--radius);
 background:linear-gradient(150deg, rgba(24,54,104,.78), rgba(8,18,38,.88));
 border:1px solid rgba(120,200,255,.3);
 box-shadow:0 30px 64px -34px rgba(53,230,255,.5);
}
.cta-panel h2{font-size:25px;line-height:1.4;color:#fff;margin-bottom:12px}
.cta-panel p{font-size:14.2px;line-height:1.85;color:var(--ink-2);margin-bottom:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.cta-stat{
 padding:16px 18px;border-radius:var(--radius-sm);
 background:rgba(5,12,26,.62);
 border:1px solid rgba(110,170,255,.14);
}
.cta-stat .n{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.cta-stat .t{font-size:12.5px;color:var(--muted);margin-top:4px}
/* ============ FOOTER ============ */
.site-footer{
 background:rgba(3,6,15,.9);
 border-top:1px solid var(--line);
 padding:52px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:38px}
.footer-brand p{
 margin-top:14px;font-size:13.4px;line-height:1.85;color:var(--muted);max-width:360px;
}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.6px;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{
 font-size:13.4px;color:var(--muted);
 transition:color .2s ease, padding-left .2s ease;
}
.footer-col a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{
 margin-top:36px;padding-top:20px;
 border-top:1px solid rgba(110,170,255,.12);
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.8px;color:var(--muted);
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:34px}
 .cat-hero h1{font-size:32px}
 .cycle-track{grid-template-columns:repeat(2,1fr)}
 .event-grid{grid-template-columns:1fr}
 .rule-grid{grid-template-columns:repeat(2,1fr)}
 .pool-wrap{grid-template-columns:1fr;gap:28px}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .channel-grid{grid-template-columns:1fr}
 .cta-panel{grid-template-columns:1fr;padding:28px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-brand{grid-column:1 / -1}
 .calendar-row{grid-template-columns:100px 1fr 130px;gap:12px}
 .calendar-row .time{display:none}
 .calendar-head .time{display:none}
}
@media (max-width:900px){
 .main-nav{
  position:absolute;
  top:64px;left:-22px;right:-22px;
  display:none;
  flex-direction:column;
  align-items:stretch;
  gap:4px;
  margin-left:0;
  padding:14px 22px 20px;
  background:rgba(4,8,19,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 40px -28px rgba(0,0,0,.95);
 }
 .main-nav.is-open{display:flex}
 .main-nav .nav-link{padding:12px 14px;font-size:15px;min-height:44px;display:flex;align-items:center}
 .main-nav .nav-link.active::after{display:none}
 .nav-toggle{display:inline-flex}
 .nav-actions .btn-primary{min-height:38px;padding:0 14px;font-size:13.5px}
}
@media (max-width:768px){
 .cat-hero{padding:44px 0 52px}
 .cat-hero h1{font-size:27px;line-height:1.32}
 .hero-lead{font-size:14.6px}
 .section{padding:48px 0}
 .section-head h2{font-size:22px}
 .cycle-track{grid-template-columns:1fr}
 .rule-grid{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .event-card{grid-template-columns:1fr}
 .event-thumb img{aspect-ratio:16/9}
 .calendar-row{grid-template-columns:1fr;gap:6px;padding:14px 18px}
 .calendar-head{display:none}
 .calendar-row .state{text-align:left}
 .cta-stats{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .nav-wrap{gap:12px}
 .logo-text{font-size:15px}
 .logo-mark{width:30px;height:30px;font-size:13px;border-radius:9px}
 .nav-actions .btn-primary{padding:0 11px;font-size:12.5px;min-height:36px}
 .cat-hero h1{font-size:23px}
 .hero-actions .btn{width:100%}
 .cta-actions .btn{width:100%}
 .cta-stats{grid-template-columns:1fr}
 .cta-panel{padding:22px}
 .board{padding:18px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (prefers-reduced-motion:reduce){
 *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}