/* roulang page: index */
:root{
  --bg0:#070d18;
  --bg1:#0a111f;
  --bg2:#0e1729;
  --bg3:#142033;
  --glass-hi:rgba(255,255,255,.08);
  --glass-lo:rgba(255,255,255,.02);
  --line:rgba(158,196,242,.16);
  --glass-stroke:rgba(255,255,255,.12);
  --primary:#2f7cf6;
  --primary-deep:#1f66e0;
  --cyan:#3ee9e0;
  --purple:#8a66ff;
  --gold:#ffc24b;
  --success:#34d399;
  --danger:#ff5d73;
  --text:#e7eefb;
  --text2:#a7b7d3;
  --text3:#7d90b1;
  --text4:#4b5875;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow:0 18px 48px rgba(0,0,0,.28);
  --shadow-light:0 10px 28px rgba(47,124,246,.28);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","Arial Narrow",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg1);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  margin:0;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:radial-gradient(rgba(142,176,230,.06) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.42;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cyan)}
button,input{font-family:inherit}
.container{max-width:1216px;padding-left:24px;padding-right:24px}
.row{--bs-gutter-x:24px}
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}
::selection{background:rgba(62,233,224,.24);color:#fff}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg,rgba(7,13,24,.94),rgba(10,17,31,.88));
  backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);
  border-bottom:1px solid var(--line);
}
.topnav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:80px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  flex-shrink:0;
}
.brand:hover{color:inherit}
.brand-mark{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,rgba(47,124,246,.18),rgba(62,233,224,.06));
  border:1px solid rgba(62,233,224,.34);
  border-radius:12px;
  box-shadow:inset 0 0 18px rgba(47,124,246,.2),0 0 0 5px rgba(47,124,246,.04);
}
.brand-text{
  font-size:22px;
  font-weight:900;
  letter-spacing:.02em;
  line-height:1.2;
  white-space:nowrap;
}
.brand-text small{
  display:block;
  font-size:11px;
  font-weight:600;
  color:var(--cyan);
  letter-spacing:.16em;
  margin-top:2px;
}
.topnav-right{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.search-wrap{
  position:relative;
  width:248px;
  flex-shrink:0;
}
.search-wrap i{
  position:absolute;
  top:50%;
  left:15px;
  transform:translateY(-50%);
  color:var(--text3);
  font-size:14px;
  pointer-events:none;
}
.search-wrap input{
  width:100%;
  height:42px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  padding:0 16px 0 42px;
  font-size:14px;
  transition:border-color .2s,box-shadow .2s;
}
.search-wrap input::placeholder{color:var(--text3)}
.search-wrap input:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(62,233,224,.15);
}
.header-cta{
  height:42px;
  padding:0 20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid rgba(62,233,224,.4);
  background:rgba(47,124,246,.16);
  color:var(--text);
  font-size:14px;
  font-weight:600;
  transition:.2s;
  white-space:nowrap;
}
.header-cta:hover{
  color:#fff;
  background:rgba(47,124,246,.3);
  border-color:var(--cyan);
  box-shadow:0 0 24px rgba(62,233,224,.18);
  transform:translateY(-1px);
}
.channel-nav{
  border-top:1px solid rgba(158,196,242,.08);
  min-height:54px;
}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  padding:8px 0;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text2);
  white-space:nowrap;
  transition:.2s;
  border:1px solid transparent;
}
.channel-item i{font-size:13px;opacity:.8;transition:.2s}
.channel-item:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line)}
.channel-item.active{
  color:var(--cyan);
  background:rgba(62,233,224,.08);
  border-color:rgba(62,233,224,.26);
  box-shadow:inset 0 0 20px rgba(62,233,224,.06);
}
.channel-item.active i{color:var(--cyan);opacity:1}
.channel-item.cta-nav{
  margin-left:auto;
  color:var(--gold);
  border-color:rgba(255,194,75,.3);
  background:rgba(255,194,75,.06);
}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:var(--radius-sm);
  border:0;
  font-weight:700;
  line-height:1;
  transition:all .22s ease;
  text-decoration:none;
  letter-spacing:.02em;
}
.btn-lg{
  height:54px;
  padding:0 30px;
  font-size:16px;
}
.btn-md{
  height:44px;
  padding:0 22px;
  font-size:15px;
}
.btn-sm{
  height:34px;
  padding:0 14px;
  font-size:13px;
  font-weight:600;
}
.btn-neon{
  color:#fff;
  background:linear-gradient(180deg,#4594ff,var(--primary-deep));
  box-shadow:0 0 0 1px rgba(62,233,224,.35),0 12px 34px rgba(47,124,246,.4);
}
.btn-neon:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(62,233,224,.7),0 16px 42px rgba(47,124,246,.55);
}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
}
.btn-ghost:hover{
  color:#fff;
  border-color:rgba(62,233,224,.55);
  background:rgba(62,233,224,.08);
  transform:translateY(-1px);
}
.btn-cyan{
  color:#081425;
  background:linear-gradient(180deg,#5cf0e8,var(--cyan));
  box-shadow:0 10px 28px rgba(62,233,224,.24);
}
.btn-cyan:hover{color:#081425;transform:translateY(-2px);box-shadow:0 12px 32px rgba(62,233,224,.35)}
.btn-gold{
  color:#201607;
  background:linear-gradient(180deg,#ffd98a,var(--gold));
  box-shadow:0 10px 26px rgba(255,194,75,.2);
}
.btn-gold:hover{color:#201607;transform:translateY(-2px);box-shadow:0 14px 36px rgba(255,194,75,.32)}

/* glass */
.glass-card{
  background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--glass-stroke);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  box-shadow:0 18px 42px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.07);
}

/* shared sections */
.section{padding:100px 0;scroll-margin-top:150px}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:36px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  color:var(--cyan);
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.kicker::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(62,233,224,.7);
}
.section-title{
  font-size:clamp(1.75rem,2.6vw,2.3rem);
  font-weight:900;
  color:var(--text);
  margin:0;
  letter-spacing:.01em;
  line-height:1.25;
}
.section-body{margin-top:12px}
.section-desc{
  color:var(--text2);
  max-width:560px;
  margin-top:10px;
  font-size:15px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  font-weight:600;
  font-size:14px;
}
.link-more:hover{color:#fff}
.link-more i{transition:transform .2s}
.link-more:hover i{transform:translateX(4px)}

/* hero */
.hero{
  position:relative;
  overflow:hidden;
  padding:78px 0 92px;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(820px 460px at 12% 8%,rgba(47,124,246,.26),transparent 72%),
    radial-gradient(640px 420px at 86% 30%,rgba(62,233,224,.12),transparent 68%);
  pointer-events:none;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-position:center;
  background-size:cover;
  opacity:.4;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,17,31,.86),rgba(10,17,31,.42) 50%,rgba(10,17,31,.74));
}
.hero-inner{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:34px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  background:rgba(62,233,224,.07);
  border:1px solid rgba(62,233,224,.22);
  color:var(--cyan);
  font-size:14px;
  font-weight:600;
}
.live-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 4px rgba(52,211,153,.18),0 0 14px rgba(52,211,153,.8);
}
.hero-title{
  margin:22px 0 18px;
  font-size:clamp(2.2rem,4.5vw,3.6rem);
  font-weight:900;
  line-height:1.18;
  color:#fff;
  letter-spacing:.01em;
}
.hero-title .caption{
  display:block;
  background:linear-gradient(90deg,var(--text) 20%,var(--cyan) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-top:6px;
}
.hero-sub{
  max-width:620px;
  color:var(--text2);
  font-size:16px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  margin-bottom:30px;
}
.hero-features{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  list-style:none;
  padding:0;
  margin:0;
  color:var(--text2);
  font-size:14px;
}
.hero-features li{display:flex;align-items:center;gap:8px}
.hero-features i{color:var(--cyan);font-size:12px}
/* live right */
.status-board{position:relative;z-index:2;padding:26px}
.board-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:20px;
}
.board-title{font-weight:800;font-size:16px;display:flex;align-items:center;gap:10px}
.board-pulse{color:var(--success);font-weight:600;font-size:12px;letter-spacing:.06em}
.board-pulse i{margin-right:5px;font-size:10px}
.board-nums{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:12px;
}
.board-num{
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  padding:16px 16px 14px;
}
.board-num .num{
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:#fff;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.board-num .num i{font-size:15px;color:var(--gold);font-style:normal}
.board-num .lbl{color:var(--text3);font-size:13px;margin-top:5px}
.board-list{
  display:grid;
  gap:10px;
  margin-bottom:16px;
}
.board-game{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(158,196,242,.08);
}
.board-game .gdot{
  width:8px;
  height:8px;
  border-radius:50%;
  flex-shrink:0;
}
.dot-green{background:var(--success);box-shadow:0 0 10px rgba(52,211,153,.5)}
.dot-blue{background:var(--cyan);box-shadow:0 0 10px rgba(62,233,224,.5)}
.board-game span{flex:1;font-size:14px;font-weight:600}
.board-game em{
  font-family:var(--font-num);
  font-style:normal;
  color:var(--text3);
  font-size:13px;
  font-variant-numeric:tabular-nums;
}
.board-foot{
  padding-top:12px;
  border-top:1px dashed var(--line);
  color:var(--text3);
  font-size:13px;
  display:flex;
  align-items:center;
  gap:8px;
}
.board-foot i{color:var(--cyan)}

/* game directory */
.game-directory{
  position:relative;
  background:var(--bg2);
}
.feature-card{
  position:relative;
  height:100%;
  min-height:320px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  align-items:flex-end;
  border:1px solid var(--line);
  padding:28px;
}
.feature-card img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.feature-card:hover img{transform:scale(1.04)}
.feature-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,17,31,.02) 10%,rgba(10,17,31,.86) 90%);
}
.feature-card-body{position:relative;z-index:3;color:#fff;width:100%}
.card-tags{display:flex;gap:8px;margin-bottom:12px}
.badge-mini{
  height:22px;
  line-height:22px;
  padding:0 9px;
  border-radius:6px;
  font-size:12px;
  font-weight:700;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.17);
}
.badge-purple{background:rgba(138,102,255,.18);border-color:rgba(138,102,255,.48);color:#dcd1ff}
.badge-gold{background:rgba(255,194,75,.16);border-color:rgba(255,194,75,.45);color:var(--gold)}
.badge-cyan{background:rgba(62,233,224,.12);border-color:rgba(62,233,224,.45);color:var(--cyan)}
.game-tile{
  position:relative;
  height:100%;
  min-height:150px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  align-items:flex-end;
  padding:20px;
  border:1px solid var(--line);
}
.game-tile img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.game-tile:hover img{transform:scale(1.06)}
.game-tile::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,17,31,.05) 15%,rgba(10,17,31,.82) 100%);
}
.game-tile-body{position:relative;z-index:3}
.game-tile-title{color:#fff;font-size:17px;font-weight:800;margin:4px 0 0}
.game-tile-sub{color:rgba(231,238,251,.7);font-size:13px;margin-top:2px}
.play-link{
  margin-top:12px;
  font-size:13px;
  color:var(--cyan);
}

/* rule steps */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.step-item{
  position:relative;
  padding:28px 22px 26px;
  border-radius:var(--radius-lg);
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--line);
  transition:.25s;
}
.step-item:hover{
  transform:translateY(-4px);
  border-color:rgba(62,233,224,.3);
  background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  box-shadow:0 20px 40px rgba(0,0,0,.18);
}
.step-num{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:700;
  color:rgba(231,238,251,.13);
  line-height:1;
  transition:.25s;
  display:block;
  margin-bottom:14px;
}
.step-item:hover .step-num{color:var(--cyan);text-shadow:0 0 18px rgba(62,233,224,.3)}
.step-item i{
  display:inline-flex;
  width:46px;
  height:46px;
  place-items:center;
  justify-content:center;
  border-radius:14px;
  background:rgba(47,124,246,.14);
  border:1px solid rgba(47,124,246,.35);
  color:var(--cyan);
  font-size:20px;
  margin-bottom:18px;
}
.step-item h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text2);margin:0}
.step-arrow{
  position:absolute;
  top:34px;
  right:-17px;
  z-index:2;
  color:var(--primary);
  font-size:18px;
  opacity:.55;
}

/* reward */
.rewards{
  background:
    radial-gradient(700px 420px at 90% -10%,rgba(138,102,255,.08),transparent 68%),
    radial-gradient(600px 400px at 0% 110%,rgba(62,233,224,.07),transparent 70%),
    var(--bg1);
}
.reward-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.reward-card{
  position:relative;
  border-radius:var(--radius-lg);
  padding:24px 22px 20px;
  overflow:hidden;
  background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
  transition:.25s;
  text-align:left;
}
.reward-card:hover{
  transform:translateY(-4px);
  border-color:rgba(62,233,224,.34);
  box-shadow:var(--shadow);
}
.reward-card.purple-border:hover{border-color:rgba(138,102,255,.6)}
.reward-card.gold-border:hover{border-color:rgba(255,194,75,.5)}
.reward-card::before{
  content:"";
  position:absolute;
  width:130px;
  height:130px;
  right:-60px;
  top:-60px;
  background:radial-gradient(circle,rgba(62,233,224,.1),transparent 70%);
  pointer-events:none;
}
.reward-rare{
  position:absolute;
  top:16px;
  right:16px;
  height:22px;
  padding:0 8px;
  font-size:11px;
  color:var(--cyan);
  border:1px solid rgba(62,233,224,.3);
  border-radius:6px;
  background:rgba(62,233,224,.08);
  font-weight:700;
}
.rare-epic{
  color:#c7b5ff;
  border-color:rgba(138,102,255,.5);
  background:rgba(138,102,255,.1);
}
.reward-icon{
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:21px;
  color:var(--cyan);
  background:linear-gradient(145deg,rgba(62,233,224,.18),rgba(62,233,224,.04));
  border:1px solid rgba(62,233,224,.3);
  margin-bottom:16px;
}
.reward-icon.purple{
  color:#c7b5ff;
  background:rgba(138,102,255,.14);
  border-color:rgba(138,102,255,.35);
}
.reward-icon.gold{
  color:var(--gold);
  background:rgba(255,194,75,.1);
  border-color:rgba(255,194,75,.34);
}
.reward-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:6px}
.reward-desc{font-size:13px;color:var(--text3);margin-bottom:16px;line-height:1.6}
.reward-val{
  font-family:var(--font-num);
  font-size:15px;
  color:var(--gold);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.reward-row{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.reward-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--cyan);
  font-weight:700;
  transition:.2s;
}
.reward-btn:hover{gap:10px;color:#fff}

/* progress area */
.event-zone{
  background:
    radial-gradient(780px 420px at 20% 120%,rgba(47,124,246,.16),transparent 62%),
    var(--bg2);
}
.event-head{
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:14px;
}
.event-icon{
  width:64px;
  height:64px;
  border-radius:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  color:var(--gold);
  background:rgba(255,194,75,.1);
  border:1px solid rgba(255,194,75,.32);
  box-shadow:0 0 28px rgba(255,194,75,.06);
}
.event-status{
  position:relative;
  padding:22px 24px;
  border-radius:var(--radius-lg);
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.event-status p{margin:6px 0 0;color:var(--text2);font-size:14px}
.count-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:800;
  color:var(--danger);
  margin-top:4px;
}
.progress-panel{padding:26px}
.progress-head{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;
}
.progress-label{font-size:15px;font-weight:800;color:#fff}
.progress-percent{
  font-family:var(--font-num);
  font-size:24px;
  font-weight:800;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
  text-shadow:0 0 18px rgba(62,233,224,.35);
}
.progress-track{
  height:12px;
  background:rgba(255,255,255,.07);
  border-radius:var(--radius-pill);
  overflow:hidden;
  border:1px solid rgba(158,196,242,.15);
  position:relative;
}
.progress-fill{
  width:72%;
  height:100%;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  border-radius:var(--radius-pill);
  box-shadow:0 0 18px rgba(62,233,224,.5);
  position:relative;
  transition:width 1s ease;
}
.progress-milestones{
  list-style:none;
  padding:0;
  margin:22px 0 0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.progress-milestones li{
  font-size:13px;
  color:var(--text3);
  padding-left:14px;
  position:relative;
}
.progress-milestones li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:rgba(231,238,251,.25);
}
.progress-milestones li.done{color:var(--text2)}
.progress-milestones li.done::before{background:var(--success);box-shadow:0 0 8px rgba(52,211,153,.55)}
.progress-milestones li.hot{color:var(--cyan)}
.progress-milestones li.hot::before{background:var(--cyan);box-shadow:0 0 10px rgba(62,233,224,.7)}
.progress-milestones li.next::before{background:var(--gold);box-shadow:0 0 10px rgba(255,194,75,.4)}
.progress-side{
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.progress-card{
  border-radius:var(--radius-lg);
  padding:28px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  text-align:center;
}
.progress-card .count{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:800;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.progress-card p{color:var(--text3);font-size:14px;margin:6px 0 18px}
.progress-card .btn{width:100%}

/* CTA banner */
.cta-banner-wrap{padding:20px 0 0}
.cta-banner{
  background-image:
    linear-gradient(90deg,rgba(10,17,31,.88),rgba(10,17,31,.62)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-radius:var(--radius-xl);
  padding:58px 56px;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  border:1px solid var(--line);
}
.cta-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(500px 240px at 18% 0%,rgba(47,124,246,.2),transparent 80%);
  pointer-events:none;
}
.cta-content{position:relative;z-index:3;min-width:300px;flex:1}
.cta-title{
  font-size:clamp(1.6rem,3vw,2.5rem);
  font-weight:900;
  color:#fff;
  margin-bottom:12px;
  line-height:1.25;
}
.cta-title span{color:var(--cyan)}
.cta-sub{color:var(--text2);max-width:540px;margin:0}
.cta-btns{position:relative;z-index:3;display:flex;gap:12px;flex-wrap:wrap}

/* news */
.news-section{
  background:var(--bg0);
  background-image:radial-gradient(700px 380px at 110% 0%,rgba(47,124,246,.1),transparent 65%);
}
.news-grid .news-card{
  height:100%;
  transition:.25s;
  overflow:hidden;
  border-radius:var(--radius-md);
}
.news-card-link{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:22px 20px;
  color:inherit;
  transition:.25s;
}
.news-card-link:hover{color:inherit}
.news-card:hover{
  border-color:rgba(62,233,224,.4);
  transform:translateY(-4px);
  box-shadow:0 14px 34px rgba(0,0,0,.26);
}
.news-cat{
  display:inline-flex;
  align-items:center;
  width:fit-content;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  background:rgba(47,124,246,.14);
  color:#8fc2ff;
  border:1px solid rgba(47,124,246,.3);
  font-weight:700;
  margin-bottom:14px;
}
.news-time{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--text3);
  font-size:13px;
  margin-bottom:10px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.news-time i{font-size:11px;color:var(--cyan)}
.news-title{
  font-size:17px;
  font-weight:800;
  color:#fff;
  line-height:1.45;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-excerpt{
  font-size:14px;
  color:var(--text2);
  margin:0 0 auto;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.65;
}
.empty-state{
  border:1px dashed rgba(158,196,242,.3);
  border-radius:var(--radius-lg);
  padding:46px 28px;
  text-align:center;
  color:var(--text3);
  background:rgba(255,255,255,.02);
  font-size:15px;
}
.empty-state i{
  display:block;
  font-size:30px;
  color:var(--primary);
  margin-bottom:14px;
  opacity:.6;
}

/* faq */
.faq-area{
  background:radial-gradient(580px 320px at 96% 12%,rgba(62,233,224,.1),transparent 65%),var(--bg1);
}
.accordion{
  --bs-accordion-border-width:0;
  --bs-accordion-border-radius:0;
  --bs-accordion-inner-border-radius:0;
}
.qa-accordion{
  display:grid;
  gap:16px;
}
.qa-item{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:.2s;
}
.qa-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--cyan);
  background:rgba(62,233,224,.04);
}
.qa-head button{
  background:transparent;
  border:0;
  color:var(--text);
  width:100%;
  text-align:left;
  padding:22px 26px 20px 18px;
  font-size:17px;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:14px;
  transition:.2s;
}
.qa-head button:hover{color:#fff}
.qa-head .accordion-button:focus{
  box-shadow:none;
  outline:none;
}
.qa-head .accordion-button.collapsed{
  background:transparent;
  color:var(--text);
}
.qa-head .accordion-button:not(.collapsed){
  background:transparent;
  color:#fff;
  box-shadow:none;
}
.qa-head .accordion-button::after{
  content:"";
  width:24px;
  height:24px;
  margin-left:auto;
  flex-shrink:0;
  background:no-repeat center/14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%233ee9e0' stroke-width='1.8'%3E%3Cpath d='M8 3v10M3 8h10'/%3E%3C/svg%3E");
  transition:transform .3s;
  border-radius:50%;
  border:1px solid rgba(62,233,224,.4);
}
.qa-head .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23fff' stroke-width='1.8'%3E%3Cpath d='M3 8h10'/%3E%3C/svg%3E");
  border-color:rgba(62,233,224,.7);
}
.qa-body{
  padding:0 20px 22px 50px;
  color:var(--text2);
  font-size:15px;
}
.qa-body p:last-child{margin:0}

/* footer */
.site-footer{
  background:var(--bg0);
  border-top:1px solid var(--line);
  padding-top:72px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(560px 300px at 8% 0%,rgba(47,124,246,.08),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(158,196,242,.1);
}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{
  color:var(--text3);
  font-size:14px;
  max-width:340px;
  margin-bottom:20px;
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text2);
  transition:.2s;
}
.footer-social a:hover{
  color:#fff;
  background:rgba(47,124,246,.22);
  border-color:rgba(62,233,224,.4);
  transform:translateY(-3px);
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  font-weight:800;
  margin:0 0 18px;
}
.footer-col ul{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:10px;
}
.footer-col a{
  color:var(--text2);
  font-size:14px;
  transition:.2s;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-col a i{color:var(--text4);font-size:11px;transition:.2s}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-col a:hover i{color:var(--cyan)}
.footer-contact{
  font-size:14px;
  color:var(--text2);
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-contact i{color:var(--cyan);width:16px;text-align:center}
.footer-contact a{word-break:break-all}
.footer-copy{
  position:relative;z-index:2;
  padding:24px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--text4);
  font-size:13px;
}
.footer-copy a{
  color:var(--text3);
  margin-left:14px;
  transition:.2s;
}
.footer-copy a:hover{color:var(--cyan)}

@media(max-width:991px){
  .section{padding:72px 0}
  .topnav{height:72px}
  .channel-nav{min-height:50px}
  .site-header{
    position:sticky;
    top:0;
  }
  .search-wrap{display:none}
  .step-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-banner{padding:44px 30px}
}
@media(max-width:767px){
  body{font-size:15px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .hero{padding:56px 0 60px}
  .brand-text{font-size:19px}
  .brand-text small{font-size:10px;letter-spacing:.08em}
  .brand-mark{width:36px;height:36px}
  .topnav-right .btn{padding:0 14px;height:38px;font-size:13px}
  .step-grid{grid-template-columns:1fr 1fr;gap:12px}
  .progress-milestones{grid-template-columns:repeat(2,1fr);gap:14px}
  .cta-banner{padding:38px 24px;flex-direction:column;align-items:flex-start}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .reward-grid{grid-template-columns:1fr 1fr;gap:12px}
  .news-section .col-md-6{
    flex:0 0 100%;
    max-width:100%;
  }
}
@media(max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .header-cta span{display:none}
  .header-cta{padding:0 14px;width:40px}
  .step-grid{grid-template-columns:1fr;gap:12px}
  .step-arrow{display:none}
  .reward-grid{grid-template-columns:1fr;gap:12px}
  .section-title{font-size:1.5rem}
  .hero-title{font-size:2rem}
  .qa-body{padding-left:20px}
  .foot-copy{flex-direction:column;align-items:flex-start}
  .modal-open .site-header{padding-right:0}
}

/* roulang page: article */
:root{
  --bg0:#0a111f; --bg1:#0e1729; --bg2:#142033; --bg3:#0d1524;
  --line:rgba(158,192,242,.16); --line-soft:rgba(158,192,242,.10); --glass-border:rgba(255,255,255,.12);
  --main:#2f7cf6; --cyan:#3ee9e0; --purple:#8a66ff; --gold:#ffc24b; --green:#34d399; --red:#ff5d73;
  --text:#e7eefb; --muted:#a7b7d3; --dim:#6d7e9c;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  --num:"Bahnschrift","DIN Alternate","Arial Narrow",sans-serif;
  --radius-lg:20px; --radius:14px; --radius-sm:8px;
  --shadow-card:0 18px 40px rgba(2,6,20,.30), inset 0 1px 0 rgba(255,255,255,.035);
  --shadow-glow:0 0 0 1px rgba(62,233,224,.28), 0 10px 34px rgba(47,124,246,.38);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:150px}
body{margin:0;background:var(--bg0);color:var(--text);font-family:var(--font);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(158,192,242,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(158,192,242,.025) 1px,transparent 1px);background-size:44px 44px}
.container{max-width:1232px;padding-left:24px;padding-right:24px}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
i{font-style:normal}
h1,h2,h3,h4,h5,h6{font-weight:800;line-height:1.35;margin:0;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
::-webkit-scrollbar{width:10px;height:8px}
::-webkit-scrollbar-thumb{background:#233352;border-radius:20px}
::-webkit-scrollbar-track{background:transparent}

/* ========== buttons ========== */
.btn{border-radius:10px;font-weight:700;letter-spacing:.02em;transition:all .25s ease}
.btn-neon{background:linear-gradient(135deg,#2f7cf6,#1e5ed6);border:1px solid rgba(62,233,224,.32);color:#fff;box-shadow:0 8px 28px rgba(47,124,246,.36)}
.btn-neon:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(62,233,224,.34),0 14px 38px rgba(47,124,246,.46);background:linear-gradient(135deg,#3a87ff,#2369e0)}
.btn-ghost{background:rgba(255,255,255,.05);border:1px solid rgba(158,192,242,.22);color:var(--text)}
.btn-ghost:hover{border-color:rgba(62,233,224,.5);color:var(--cyan);transform:translateY(-2px)}
.btn-md{height:40px;line-height:1;padding:.7rem 1.15rem;display:inline-flex;align-items:center;gap:.5rem}
.btn-lg{height:50px;padding:.85rem 1.6rem;display:inline-flex;align-items:center;gap:.55rem;font-size:1.02rem}

/* ========== header ========== */
.site-header{position:sticky;top:0;z-index:1090;background:rgba(8,14,26,.82);backdrop-filter:blur(16px) saturate(1.35);-webkit-backdrop-filter:blur(16px) saturate(1.35);border-bottom:1px solid rgba(158,192,242,.12);box-shadow:0 10px 30px rgba(2,6,18,.18)}
.topnav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{display:inline-flex;filter:drop-shadow(0 2px 12px rgba(62,233,224,.32))}
.brand-text{font-weight:900;font-size:1.3rem;letter-spacing:.01em;color:#fff;display:flex;flex-direction:column;line-height:1.05;white-space:nowrap}
.brand-text small{font:600 10px/1.4 var(--font);color:var(--muted);letter-spacing:.16em;margin-top:3px}
.topnav-right{display:flex;align-items:center;gap:16px}
.search-wrap{position:relative;width:238px}
.search-wrap i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--dim);font-size:.86rem;pointer-events:none}
.search-wrap input{width:100%;height:38px;border-radius:999px;border:1px solid rgba(158,192,242,.16);background:rgba(255,255,255,.04);padding:0 16px 0 36px;color:var(--text);font-size:.9rem;transition:border .2s ease,box-shadow .2s ease,background .2s ease}
.search-wrap input::placeholder{color:var(--dim)}
.search-wrap input:focus{outline:none;border-color:rgba(62,233,224,.5);background:rgba(14,23,41,.8);box-shadow:0 0 0 3px rgba(62,233,224,.08)}
.header-cta.btn-md{height:38px;padding:.4rem .75rem;border-radius:999px}

/* channel nav */
.channel-nav{border-top:1px solid rgba(158,192,242,.09);background:rgba(10,17,31,.9);backdrop-filter:blur(14px) saturate(1.2)}
.channel-scroll{display:flex;align-items:center;gap:6px;min-height:54px;overflow-x:auto;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-item{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 17px;border-radius:999px;color:var(--muted);font-size:.875rem;font-weight:600;white-space:nowrap;border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease}
.channel-item i{font-size:.78rem;color:var(--dim)}
.channel-item:hover{color:#fff;border-color:rgba(158,192,242,.18);background:rgba(255,255,255,.05)}
.channel-item.active{color:#fff;background:linear-gradient(180deg,rgba(47,124,246,.22),rgba(47,124,246,.1));border-color:rgba(62,233,224,.4);box-shadow:inset 0 0 24px rgba(62,233,224,.05)}
.channel-item.active i{color:var(--cyan)}
.channel-item.cta-nav{color:#8a66ff}
.channel-item.cta-nav:hover{color:var(--cyan)}

/* ========== article hero ========== */
.article-hero{position:relative;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center 30%;border-bottom:1px solid rgba(158,192,242,.08)}
.article-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(1000px 300px at 75% 30%,rgba(47,124,246,.15),transparent 60%),linear-gradient(102deg,rgba(10,17,31,.98) 0%,rgba(10,17,31,.93) 48%,rgba(14,23,41,.72) 100%)}
.article-hero-inner{position:relative;padding:56px 0 44px}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--dim);font-size:.84rem;margin-bottom:22px}
.breadcrumb-line a{color:var(--muted);display:inline-flex;align-items:center;gap:8px}
.breadcrumb-line a:hover{color:var(--cyan)}
.breadcrumb-line i{font-size:.68rem;color:#53627f}
.breadcrumb-line .current{color:#cbd8ea;font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-kicker{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.badge-game{display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 11px;border-radius:999px;font-size:.76rem;font-weight:700;background:rgba(62,233,224,.1);border:1px solid rgba(62,233,224,.3);color:var(--cyan)}
.badge-game.purple{background:rgba(138,102,255,.12);border-color:rgba(138,102,255,.35);color:#b6a5ff}
.article-title{font-size:clamp(1.7rem,3vw,2.55rem);font-weight:900;letter-spacing:.01em;color:#fff;max-width:900px;line-height:1.35;text-shadow:0 2px 16px rgba(0,0,0,.4)}
.article-meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:22px;color:var(--muted);font-size:.875rem}
.meta-item{display:inline-flex;align-items:center;gap:8px;padding:0 16px;border-left:1px solid rgba(158,192,242,.16);color:var(--muted)}
.meta-item:first-child{border-left:none;padding-left:0}
.meta-item i{color:var(--cyan);font-size:.82rem;width:16px}
.meta-item strong{color:var(--text);font-family:var(--num);font-size:.95rem;font-weight:600}
.article-view{margin-left:auto}

/* ========== body panel ========== */
.article-body-wrap{padding:52px 0 18px;position:relative}
.article-main{max-width:872px;margin:0 auto}
.content-panel{background:linear-gradient(180deg,rgba(20,32,51,.74),rgba(14,23,41,.82));border:1px solid rgba(158,192,242,.14);border-radius:var(--radius-lg);padding:52px 56px;box-shadow:var(--shadow-card);position:relative}
.article-cover{border-radius:0;margin-bottom:30px;overflow:hidden;position:relative;border:1px solid rgba(158,192,242,.16);border-radius:var(--radius)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover figcaption{padding:9px 14px;background:rgba(6,10,20,.6);font-size:.78rem;color:var(--dim);text-align:right}

.entry-content{font-size:1.015rem;line-height:1.85;color:#dce6f6;width:100%;max-width:780px;margin:0 auto}
.entry-content>p:first-child{font-size:1.06rem;color:#ecf3ff}
.entry-content p{margin-bottom:1.35em}
.entry-content h2{font-size:1.48rem;font-weight:800;color:#fff;margin:2.2em 0 .9em;padding-left:14px;border-left:3px solid var(--cyan)}
.entry-content h3{font-size:1.18rem;font-weight:800;color:#eaf1ff;margin:1.8em 0 .6em}
.entry-content a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(62,233,224,.3);text-underline-offset:4px}
.entry-content a:hover{color:#fff;text-decoration-color:var(--cyan)}
.entry-content ul,.entry-content ol{padding-left:1.4em;margin-bottom:1.4em}
.entry-content ul li,.entry-content ol li{margin-bottom:.45em;padding-left:.2em}
.entry-content ul li::marker{color:var(--cyan)}
.entry-content blockquote{border-left:3px solid var(--cyan);background:rgba(47,124,246,.08);border-radius:0 10px 10px 0;padding:16px 24px;margin:1.5em 0;color:#c9d9f0}
.entry-content blockquote p{font-size:.96rem;margin:0}
.entry-content img{border-radius:10px;border:1px solid rgba(158,192,242,.16);margin:1.2em 0}
.entry-content table{width:100%;font-size:.925rem;background:rgba(10,17,31,.4);border-collapse:collapse;display:table;margin:1.5em 0;border-radius:12px;overflow:hidden}
.entry-content table th,.entry-content table td{padding:12px 16px;border-bottom:1px solid rgba(158,192,242,.1);text-align:left}
.entry-content table th{background:rgba(47,124,246,.14);color:var(--cyan);font-weight:700;white-space:nowrap}
.entry-content table td{color:#cddcf2}
.entry-content table tr:last-child td{border-bottom:none}
.entry-content table tr:hover td{background:rgba(255,255,255,.025)}
.entry-content pre{background:rgba(6,10,20,.75);border:1px solid rgba(158,192,242,.14);border-radius:10px;padding:18px;overflow-x:auto;color:#b8f3ec;line-height:1.6;font-size:.9rem}
.entry-content code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.9em}
.entry-content>div,.entry-content>section,.entry-content>figure{margin:1.4em 0}

/* ========== article related ========== */
.article-related-sec{padding:84px 0 60px;position:relative}
.section-heading{display:flex;flex-direction:column;gap:6px;margin-bottom:30px}
.section-heading .eyebrow{color:var(--cyan);font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.section-heading .eyebrow:before{content:"";width:26px;height:1px;background:var(--cyan)}
.section-heading h2{font-size:clamp(1.3rem,2vw,1.8rem);font-weight:800;color:#fff}
.section-heading p{color:var(--dim);font-size:.9rem}
.article-related-grid{max-width:780px;margin:0 auto}
.related-empty,.notfound-card{background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.015));border:1px solid var(--glass-border);border-radius:var(--radius-lg);backdrop-filter:blur(14px) saturate(1.2);padding:54px 28px;text-align:center;box-shadow:0 20px 44px rgba(2,6,20,.28)}
.related-empty .empty-icon,.notfound-card .empty-icon{width:66px;height:66px;border-radius:50%;margin:0 auto 18px;background:rgba(47,124,246,.16);display:flex;align-items:center;justify-content:center;border:1px solid rgba(62,233,224,.28);color:var(--cyan);font-size:1.35rem}
.related-empty h3,.notfound-card h3{color:#fff;font-size:1.12rem;margin-bottom:8px}
.related-empty p,.notfound-card p{color:var(--dim);max-width:420px;margin:0 auto 22px;font-size:.92rem}
.related-empty .btn,.notfound-card .btn{margin:0 5px}

/* article footer keys */
.article-tools{padding:34px 0 0;border-top:1px solid rgba(158,192,242,.11);margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.article-navi{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.article-navi .btn{height:42px;padding:.4rem 1.2rem}

/* notfound */
.notfound-panel{max-width:680px;margin:0 auto;padding:60px 36px}
.notfound-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}

/* ========== footer ========== */
.site-footer{margin-top:30px;background:var(--bg3);border-top:1px solid rgba(158,192,242,.1);position:relative;overflow:hidden}
.site-footer:before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:70%;height:1px;background:linear-gradient(90deg,transparent,rgba(62,233,224,.35),transparent)}
.site-footer .container{position:relative}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:44px;padding:62px 0 46px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text{color:#fff}
.footer-desc{color:var(--dim);font-size:.92rem;line-height:1.85;margin-top:14px;max-width:360px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);transition:all .2s}
.footer-social a:hover{color:var(--cyan);border-color:rgba(62,233,224,.5);transform:translateY(-2px);box-shadow:0 5px 14px rgba(0,0,0,.25)}
.footer-col h4{color:#fff;font-size:.96rem;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.footer-col h4:before{content:"";width:16px;height:2px;background:var(--cyan);border-radius:2px;display:inline-block}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:12px}
.footer-col ul a{color:var(--muted);font-size:.88rem;display:inline-flex;align-items:center;gap:9px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a i{color:#465574;font-size:.68rem}
.footer-col ul a:hover{color:var(--cyan);padding-left:4px}
.footer-col ul a:hover i{color:var(--cyan)}
.footer-subscribe{background:rgba(255,255,255,.03);border:1px solid rgba(158,192,242,.14);border-radius:14px;padding:20px}
.footer-subscribe h5{color:#fff;font-size:.92rem;font-weight:700;margin-bottom:8px}
.footer-subscribe p{color:var(--dim);font-size:.83rem;margin-bottom:14px;line-height:1.7}
.footer-subscribe form{position:relative}
.footer-subscribe input{width:100%;height:38px;background:rgba(10,17,31,.7);border:1px solid rgba(158,192,242,.18);border-radius:10px;padding:0 18px;color:var(--text);font-size:.85rem}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:22px 0;border-top:1px solid rgba(158,192,242,.08);color:var(--dim);font-size:.81rem}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--cyan)}
.footer-copy{display:inline-flex;align-items:center;gap:8px}
.footer-copy .dot{width:4px;height:4px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);display:inline-block}

/* ========== responsive ========== */
@media (max-width:1199.98px){
  .article-view{display:none}
  .search-wrap{width:210px}
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
  .footer-subscribe{grid-column:1/-1}
  .article-main{max-width:840px}
  .content-panel{padding:40px 34px}
}
@media (max-width:767.98px){
  .topnav{min-height:68px;gap:12px}
  .brand .brand-text{font-size:1.1rem}
  .brand-text small{display:none}
  .badge-card{display:none}
  .search-wrap{display:none}
  .topnav-right .header-cta{height:34px;padding:0 12px;font-weight:600}
  .header-cta i{margin-right:0}
  .channel-scroll{min-height:48px}
  .channel-item{height:32px;padding:0 13px;font-size:.78rem}
  .article-hero-inner{padding:40px 0 28px}
  .breadcrumb-line{font-size:.78rem;margin-bottom:16px}
  .breadcrumb-line .current{max-width:220px}
  .article-body-wrap{padding:36px 0 10px}
  .content-panel{padding:26px 20px;border-radius:16px}
  .article-cover img{aspect-ratio:16/9}
  .entry-content{font-size:.97rem;line-height:1.8}
  .entry-content h2{font-size:1.34rem}
  .article-meta-line{display:flex;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .article-meta-line::-webkit-scrollbar{display:none}
  .meta-item{padding:0 10px;white-space:nowrap}
  .meta-item:first-child{padding-left:0}
  .article-tools{flex-direction:column;align-items:flex-start}
  .article-navi{width:100%;justify-content:center}
  .article-navi .btn{flex:1;justify-content:center;padding:0 10px;font-size:.84rem}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 34px;gap:32px 24px}
  .footer-brand{grid-column:1/-1}
  .section-related{padding-top:52px}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.05);border-radius:14px;padding:18px}
  .footer-col h4{margin-bottom:12px;font-size:.92rem}
  .article-title{font-size:1.55rem;line-height:1.4;margin-top:4px}
  .article-kicker{margin-bottom:12px}
  .channel-scroll{gap:4px}
  .header-cta span{display:none}
}

/* roulang page: category1 */
:root {
  --bg0: #0a111f;
  --bg1: #0e1729;
  --bg2: #142033;
  --line: rgba(158, 192, 242, 0.16);
  --glass: rgba(255, 255, 255, 0.08);
  --text: #e7eefb;
  --muted: #a7b7d3;
  --weak: #6d7e9c;
  --blue: #2f7cf6;
  --cyan: #3ee9e0;
  --purple: #8a66ff;
  --gold: #ffc24b;
  --green: #34d399;
  --danger: #ff5d73;
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
  --font: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --num-font: "Bahnschrift", "DIN Alternate", "Microsoft YaHei UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg0);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(158, 192, 242, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(158, 192, 242, 0.03) 1px, transparent 1px);
  background-size: 52px 52px;
}

main {
  min-height: 60vh;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

section {
  scroll-margin-top: 168px;
}

::-moz-selection {
  background: rgba(62, 233, 224, 0.24);
  color: #fff;
}

::selection {
  background: rgba(62, 233, 224, 0.24);
  color: #fff;
}

@media (min-width: 1200px) {
  .container,
  .container-lg,
  .container-md,
  .container-sm,
  .container-xl {
    max-width: 1216px;
  }
}

.container {
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-family: var(--font);
  line-height: 1;
  transition: all 0.2s ease;
}

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

.btn-lg {
  height: 52px;
  padding: 0 28px;
  font-size: 15px;
}

.btn-neon {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #1b64e8);
  box-shadow: 0 0 0 1px rgba(62, 233, 224, 0.35), 0 8px 32px rgba(47, 124, 246, 0.45);
}

.btn-neon:hover,
.btn-neon:focus {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(62, 233, 224, 0.5), 0 14px 38px rgba(47, 124, 246, 0.58);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(158, 192, 242, 0.24);
}

.btn-ghost:hover,
.btn-ghost:focus {
  color: var(--cyan);
  border-color: rgba(62, 233, 224, 0.6);
  background: rgba(62, 233, 224, 0.08);
}

.btn:focus-visible,
.accordion-button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.section-block {
  padding: 96px 0;
  position: relative;
}

.section-block.bg-alt {
  background: var(--bg1);
}

.section-head {
  margin-bottom: 42px;
}

.section-head .eyebrow + h2 {
  margin-top: 8px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--cyan);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--text);
}

h3 {
  font-size: 1.05rem;
}

p {
  margin: 0.5em 0 1em;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(10, 17, 31, 0.84);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid rgba(158, 192, 242, 0.14);
}

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
  white-space: nowrap;
}

.brand small {
  display: block;
  font-size: 9px;
  color: var(--weak);
  letter-spacing: 0.14em;
  font-weight: 400;
}

.brand:hover {
  color: var(--cyan);
}

.topnav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(158, 192, 242, 0.18);
  border-radius: 999px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-wrap i {
  color: var(--weak);
  font-size: 14px;
}

.search-wrap input {
  width: 220px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
}

.search-wrap input::-webkit-input-placeholder {
  color: var(--weak);
}

.search-wrap:focus-within {
  border-color: rgba(62, 233, 224, 0.7);
  box-shadow: 0 0 0 3px rgba(62, 233, 224, 0.1);
}

.header-cta {
  color: #fff;
}

.header-cta i {
  font-size: 14px;
}

.header-cta span {
  font-size: 14px;
}

.channel-nav {
  background: rgba(12, 20, 36, 0.6);
  border-top: 1px solid rgba(158, 192, 242, 0.08);
}

.channel-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: none;
}

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

.channel-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.channel-item i {
  font-size: 13px;
  color: var(--weak);
}

.channel-item:hover {
  color: var(--cyan);
  background: rgba(62, 233, 224, 0.08);
  border-color: rgba(62, 233, 224, 0.22);
}

.channel-item.active {
  color: #fff;
  background: rgba(47, 124, 246, 0.16);
  border-color: rgba(62, 233, 224, 0.4);
  box-shadow: inset 0 0 0 1px rgba(62, 233, 224, 0.12);
}

.channel-item.active i {
  color: var(--cyan);
}

.cta-nav {
  color: var(--weak);
  border-left-color: var(--line);
}

.cta-nav:hover {
  color: var(--cyan);
}

/* ========== Category Hero ========== */
.cat-hero {
  position: relative;
  padding: 76px 0 62px;
  background-color: var(--bg1);
  overflow: hidden;
}

.cat-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.cat-hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 17, 31, 0.96) 10%, rgba(10, 17, 31, 0.82) 50%, rgba(10, 17, 31, 0.68) 100%);
}

.cat-hero__bg::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -80px;
  bottom: -260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 233, 224, 0.26), rgba(47, 124, 246, 0.08) 55%, transparent 70%);
  pointer-events: none;
}

.cat-hero .hero-inner {
  position: relative;
  z-index: 1;
}

.cat-hero .breadcrumb-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--weak);
  margin-bottom: 22px;
}

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

.breadcrumb-row a:hover {
  color: var(--cyan);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--cyan);
}

.cat-hero h1 {
  margin: 12px 0 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.hero-lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 30px;
}

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

.hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.chip-stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(158, 192, 242, 0.16);
  color: var(--muted);
  font-size: 13px;
}

.chip-stat i {
  color: var(--cyan);
  font-size: 12px;
}

/* ========== Why Featured ========== */
.feature-side {
  padding-right: 22px;
}

.feature-side .eyebrow + h2 {
  margin-top: 8px;
}

.feature-side p {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-cell {
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(158, 192, 242, 0.16);
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.feature-cell:hover {
  transform: translateY(-3px);
  border-color: rgba(62, 233, 224, 0.42);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.3);
}

.feature-cell .icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--cyan);
  background: rgba(62, 233, 224, 0.1);
  margin-bottom: 16px;
}

.feature-cell h3 {
  font-size: 16px;
  font-weight: 700;
}

.feature-cell p {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 0;
}

/* ========== Game Zones ========== */
.zone-card {
  height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(20, 33, 51, 0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.zone-card:hover {
  transform: translateY(-4px);
  border-color: rgba(62, 233, 224, 0.46);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.zone-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg2);
}

.zone-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.zone-card:hover .zone-thumb img {
  transform: scale(1.04);
}

.zone-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10, 17, 31, 0.34), transparent 65%);
}

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

.zone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(158, 192, 242, 0.1);
  border: 1px solid rgba(158, 192, 242, 0.14);
}

.zone-body h3 {
  margin-bottom: 8px;
}

.zone-body p {
  color: var(--muted);
  font-size: 0.93rem;
}

.zone-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
}

.zone-link i {
  font-size: 12px;
  transition: transform 0.2s ease;
}

.zone-link:hover {
  color: var(--blue);
}

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

.zone-card--large {
  position: relative;
  min-height: 370px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
}

.zone-card--large > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zone-card--large .zone-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(178deg, rgba(10, 17, 31, 0.1) 0%, rgba(10, 17, 31, 0.32) 50%, rgba(10, 17, 31, 0.96) 100%);
}

.zone-card--large .zone-body {
  position: relative;
  z-index: 1;
  width: 100%;
  background: transparent;
}

.zone-card--large h3 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 10px;
}

.zone-card--large p {
  max-width: 620px;
  font-size: 1rem;
  color: rgba(231, 238, 251, 0.82);
}

.zone-card--large .zone-link {
  color: var(--cyan);
}

.zone-badge {
  position: absolute;
  z-index: 2;
  top: 18px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(10, 17, 31, 0.58);
  border: 1px solid rgba(62, 233, 224, 0.42);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

/* ========== Player ========== */
.player-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  padding: 34px;
}

.player-list {
  list-style: none;
}

.player-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(158, 192, 242, 0.1);
}

.player-list li:last-child {
  border-bottom: 0;
}

.player-list .p-icon {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(138, 102, 255, 0.12);
  color: #c0adff;
  border: 1px solid rgba(138, 102, 255, 0.22);
}

.player-list h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.player-list p {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 0;
}

.player-side .eyebrow + h2 {
  margin-top: 8px;
}

.player-side p {
  color: var(--muted);
}

/* ========== Process ========== */
.process-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(158, 192, 242, 0.16);
  background: linear-gradient(145deg, rgba(21, 36, 58, 0.8), rgba(14, 23, 41, 0.6));
  padding: 40px;
}

.process-step {
  display: flex;
  gap: 18px;
  position: relative;
  padding-bottom: 24px;
}

.process-step:last-child {
  padding-bottom: 0;
}

.process-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 66px;
  bottom: 6px;
  border-left: 1px dashed rgba(62, 233, 224, 0.3);
}

.step-num {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-family: var(--num-font);
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  background: rgba(47, 124, 246, 0.16);
  border: 1px solid rgba(62, 233, 224, 0.3);
  box-shadow: 0 0 26px rgba(62, 233, 224, 0.16);
}

.step-content {
  padding-top: 8px;
}

.step-content h3 {
  margin-bottom: 4px;
}

.step-content p {
  color: var(--muted);
  margin-bottom: 0;
  font-size: 0.94rem;
}

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

.faq-wrapper .accordion-item {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: var(--radius) !important;
  margin-bottom: 16px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.faq-wrapper .accordion-item:first-child {
  border-radius: var(--radius) !important;
}

.faq-wrapper .accordion-button {
  padding: 20px 22px;
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: none;
  gap: 12px;
}

.faq-wrapper .accordion-button i {
  color: var(--cyan);
  font-size: 15px;
}

.faq-wrapper .accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, rgba(47, 124, 246, 0.17), rgba(62, 233, 224, 0.05));
  color: #fff;
}

.faq-wrapper .accordion-button::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background-image: none;
  color: var(--cyan);
  width: auto;
  height: auto;
  transition: transform 0.25s ease;
}

.faq-wrapper .accordion-button:not(.collapsed)::after {
  transform: rotate(135deg);
  background-image: none;
  color: var(--cyan);
}

.faq-wrapper .accordion-body {
  padding: 0 22px 20px 56px;
  color: var(--muted);
}

/* ========== Next Path / CTA ========== */
.path-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(62, 233, 224, 0.22);
  background: linear-gradient(145deg, rgba(62, 233, 224, 0.06), rgba(47, 124, 246, 0.08));
  padding: 46px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.path-card h2 {
  margin-bottom: 8px;
}

.path-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.path-card .btn-lg {
  flex-shrink: 0;
}

/* ========== Footer ========== */
.site-footer {
  margin-top: 80px;
  background: #08111f;
  border-top: 1px solid rgba(158, 192, 242, 0.12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding: 64px 0 44px;
}

.footer-brand .brand {
  margin-bottom: 10px;
}

.footer-desc {
  color: var(--weak);
  font-size: 0.9rem;
  max-width: 320px;
  margin-top: 10px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(158, 192, 242, 0.2);
  color: var(--weak);
  font-size: 13px;
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: rgba(62, 233, 224, 0.1);
  border-color: rgba(62, 233, 224, 0.5);
  color: var(--cyan);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--weak);
  font-size: 14px;
  padding: 5px 0;
}

.footer-col li a i {
  color: rgba(62, 233, 224, 0.8);
  font-size: 11px;
  transition: transform 0.2s ease;
}

.footer-col li a:hover {
  color: var(--cyan);
}

.footer-col li a:hover i {
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(158, 192, 242, 0.1);
  padding: 18px 0;
  color: var(--weak);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .search-wrap input {
    width: 150px;
  }
}

@media (max-width: 992px) {
  .section-block {
    padding: 72px 0;
  }

  .feature-side {
    padding-right: 0;
    margin-bottom: 32px;
  }

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

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

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .section-block {
    padding: 56px 0;
  }

  .topnav {
    height: 70px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-text small {
    display: none;
  }

  .search-wrap {
    display: none;
  }

  .header-cta span {
    display: none;
  }

  .header-cta {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 999px;
  }

  .header-cta i {
    font-size: 16px;
  }

  .cat-hero {
    padding: 56px 0 48px;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .process-wrap,
  .player-block,
  .path-card {
    padding: 28px;
  }

  .faq-wrapper .accordion-body {
    padding: 0 18px 18px 18px;
  }

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

  .site-footer {
    margin-top: 56px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
    display: inline-flex;
  }

  .brand-mark svg {
    width: 26px;
    height: 26px;
  }

  .brand-text {
    font-size: 16px;
  }

  .channel-item {
    padding: 7px 12px;
    font-size: 13px;
  }

  .cat-hero h1 {
    font-size: 2rem;
  }

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

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

  .zone-card--large h3 {
    font-size: 1.45rem;
  }

  .zone-card--large {
    min-height: 300px;
  }

  .player-block,
  .process-wrap,
  .path-card {
    padding: 22px;
  }

  .process-step {
    gap: 14px;
  }

  .step-num {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    font-size: 20px;
  }

  .process-step:not(:last-child)::before {
    left: 28px;
  }

  .path-card .btn-lg {
    width: 100%;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* roulang page: category2 */
:root{
  --bg0:#0a111f;
  --bg1:#0e1729;
  --bg2:#142033;
  --panel:rgba(20, 32, 51, .66);
  --line:rgba(158,192,242,.16);
  --white:#e7eefb;
  --muted:#a7b7d3;
  --weak:#6d7e9c;
  --blue:#2f7cf6;
  --cyan:#3ee9e0;
  --purple:#8a66ff;
  --gold:#ffc24b;
  --success:#34d399;
  --danger:#ff5d73;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:8px;
  --shadow-lg:0 18px 48px rgba(0,0,0,.3), 0 0 0 1px rgba(158,192,242,.08);
  --shadow:0 10px 32px rgba(0,0,0,.24);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  --num:"Bahnschrift","DIN Alternate","Arial Narrow",var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:142px}
body{margin:0;background:var(--bg0);background-image:radial-gradient(circle at 15% 0%,rgba(47,124,246,.08),transparent 28%),radial-gradient(circle at 88% 12%,rgba(62,233,224,.05),transparent 24%),linear-gradient(rgba(158,192,242,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(158,192,242,.02) 1px,transparent 1px);background-size:auto,auto,44px 44px,44px 44px;color:var(--white);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
body.modal-open{padding-right:0 !important}
img{max-width:100%;height:auto}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
button{font-family:inherit}
.container{max-width:1216px;padding-left:24px;padding-right:24px}
@media(max-width:576px){.container{padding-left:18px;padding-right:18px}body{font-size:15px}}

/* header */
.site-header{position:sticky;top:0;z-index:1080;background:rgba(10,17,31,.92);backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);border-bottom:1px solid rgba(158,192,242,.10);box-shadow:0 4px 28px rgba(0,0,0,.22)}
.topnav{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;color:var(--white);font-size:1.44rem;letter-spacing:.01em}
.brand small{display:block;font-size:.6rem;font-weight:600;color:var(--muted);letter-spacing:.18em;margin-top:-3px;font-family:var(--num)}
.brand:hover{color:var(--cyan)}
.brand-mark{display:flex;width:40px;height:40px;align-items:center;justify-content:center;background:rgba(47,124,246,.12);border:1px solid rgba(62,233,224,.3);border-radius:12px;box-shadow:0 0 18px rgba(62,233,224,.18)}
.topnav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-wrap{display:flex;align-items:center;width:280px;background:rgba(20,32,51,.75);border:1px solid var(--line);border-radius:999px;padding:0 16px;transition:border .2s ease,box-shadow .2s ease}
.search-wrap i{color:var(--weak);font-size:14px;margin-right:10px}
.search-wrap input{background:transparent;border:0;outline:0;color:var(--white);height:38px;width:100%;font-size:.92rem}
.search-wrap input::placeholder{color:var(--weak)}
.search-wrap:focus-within{border-color:rgba(62,233,224,.55);box-shadow:0 0 0 3px rgba(62,233,224,.08)}
.header-cta{white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);font-weight:700;line-height:1;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn-md{height:38px;padding:0 22px;font-size:.9rem}
.btn-lg{height:52px;padding:0 34px;font-size:1rem;border-radius:12px}
.btn-sm{height:32px;padding:0 16px;font-size:.82rem;border-radius:8px}
.btn-neon{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04121f;box-shadow:0 0 0 1px rgba(62,233,224,.35),0 8px 28px rgba(47,124,246,.35)}
.btn-neon:hover{color:#06151f;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(62,233,224,.5),0 12px 38px rgba(62,233,224,.35)}
.btn-ghost{background:transparent;color:var(--white);border-color:var(--line)}
.btn-ghost:hover{color:var(--cyan);border-color:rgba(62,233,224,.55);background:rgba(62,233,224,.06)}
.btn-soft{background:rgba(47,124,246,.15);color:var(--white);border-color:rgba(47,124,246,.3)}
.btn-soft:hover{background:rgba(47,124,246,.35);color:#fff;transform:translateY(-2px)}

/* secondary nav channel */
.channel-nav{background:rgba(14,23,41,.94);border-top:1px solid rgba(158,192,242,.08)}
.channel-scroll{display:flex;gap:8px;padding:8px 0;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-item{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--muted);border:1px solid transparent;white-space:nowrap;transition:all .2s ease}
.channel-item:hover{color:var(--cyan);background:rgba(62,233,224,.07)}
.channel-item.active{color:var(--cyan);background:rgba(62,233,224,.11);border-color:rgba(62,233,224,.28);box-shadow:inset 0 -2px 0 rgba(62,233,224,.5)}
.cta-nav{margin-left:auto;color:var(--gold);background:rgba(255,194,75,.06);border-color:rgba(255,194,75,.18)}
.cta-nav:hover{color:var(--gold);background:rgba(255,194,75,.14)}
@media(max-width:991px){.topnav{flex-wrap:wrap;min-height:70px;padding:10px 0}.search-wrap{width:200px}.topnav-right{gap:8px}}
@media(max-width:767px){.brand-text{font-size:.95rem}.brand small{display:none}.brand-mark{width:36px;height:36px}.header-cta span{display:none}.header-cta{padding:0 14px}.search-wrap{width:170px}.channel-scroll{flex-wrap:nowrap;overflow-x:auto;padding:4px}.channel-item{flex:0 0 auto}.site-header{position:relative}}
@media(max-width:520px){.search-wrap{width:calc(100vw - 190px);min-width:110px}.search-wrap input{min-width:0}}

/* layout blocks */
.section-block{padding:82px 0;scroll-margin-top:140px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--num);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px;font-weight:700}
.eyebrow i{font-size:.85rem;opacity:.85}
.section-title{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:800;color:var(--white);margin:0 0 14px;letter-spacing:.02em}
.section-sub{font-size:1rem;color:var(--muted);max-width:760px;margin-bottom:32px;line-height:1.8}
@media(max-width:768px){.section-block{padding:58px 0}.section-sub{margin-bottom:22px}}

/* category hero */
.category-hero{position:relative;padding:92px 0 78px;overflow:hidden;background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;border-bottom:1px solid rgba(158,192,242,.1)}
.category-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,17,31,.94),rgba(10,17,31,.74) 38%,rgba(14,23,41,.62));backdrop-filter:blur(2px)}
.category-hero::after{content:'';position:absolute;right:-80px;top:-80px;width:340px;height:340px;background:radial-gradient(circle,rgba(62,233,224,.16),transparent 65%);opacity:.7;z-index:1}
.category-hero .container{position:relative;z-index:2}
.hero-meta{display:inline-flex;align-items:center;gap:10px;padding:6px 18px;border-radius:999px;background:rgba(62,233,224,.08);border:1px solid rgba(62,233,224,.26);color:var(--cyan);font-size:.86rem;font-weight:600;margin-bottom:24px}
.hero-meta .pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(62,233,224,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(62,233,224,.55)}70%{box-shadow:0 0 0 8px rgba(62,233,224,0)}100%{box-shadow:0 0 0 0 rgba(62,233,224,0)}}
.category-hero h1{font-size:clamp(1.9rem,4vw,3rem);font-weight:900;margin:0 0 16px;line-height:1.2;color:#fff;letter-spacing:.02em;text-shadow:0 8px 30px rgba(0,0,0,.4)}
.category-hero p.lead{font-size:clamp(.98rem,1.5vw,1.16rem);color:#c7d6f0;max-width:680px;line-height:1.85;margin:0}
.hero-badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(20,32,51,.72);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:.85rem;color:var(--muted);backdrop-filter:blur(8px)}
.hero-badge i{color:var(--cyan);font-size:.75rem}
.hero-badge strong{color:var(--white);font-weight:700}
@media(max-width:767px){.category-hero{padding:58px 0 50px}.category-hero p.lead{font-size:.95rem}}

/* focus cards */
.focus-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.focus-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:280px;display:flex;align-items:flex-end;background:var(--bg2);box-shadow:var(--shadow);border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease}
.focus-card:hover{transform:translateY(-6px);border-color:rgba(62,233,224,.45)}
.focus-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.focus-card:hover img{transform:scale(1.04)}
.focus-card::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(10,17,31,.92) 10%,rgba(10,17,31,.38) 55%,rgba(10,17,31,.1));z-index:1}
.focus-copy{position:relative;z-index:2;padding:36px 30px 28px;width:100%}
.focus-copy .tag-mini{display:inline-block;margin-bottom:12px;height:22px;line-height:20px;padding:0 10px;font-size:.72rem;font-weight:700;border-radius:4px}
.tag-live{background:rgba(52,211,153,.14);color:#7df2c6;border:1px solid rgba(52,211,153,.35)}
.tag-soon{background:rgba(62,233,224,.12);color:var(--cyan);border:1px solid rgba(62,233,224,.35)}
.tag-test{background:rgba(138,102,255,.16);color:#c49bff;border:1px solid rgba(138,102,255,.4)}
.focus-copy h3{font-size:1.25rem;font-weight:800;color:#fff;margin-bottom:8px}
.focus-copy p{color:#c9d8f0;font-size:.92rem;margin-bottom:14px;max-width:560px;line-height:1.75}
.inline-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn-micro{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;border-radius:999px;font-size:.8rem;background:rgba(47,124,246,.14);border:1px solid rgba(47,124,246,.5);color:#fff;transition:all .2s ease}
.btn-micro:hover{background:rgba(47,124,246,.35);color:#fff;border-color:var(--blue)}
.btn-micro.cyan{background:rgba(62,233,224,.1);border-color:rgba(62,233,224,.4);color:var(--cyan)}
.btn-micro.cyan:hover{background:rgba(62,233,224,.25);color:#04121f}
@media(max-width:991px){.focus-grid{grid-template-columns:1fr}.focus-card{min-height:230px}}
@media(max-width:767px){.focus-copy{padding:24px 20px 20px}.focus-copy h3{font-size:1.05rem}}

/* panel & filter + table */
.glass-panel{background:var(--panel);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.table-panel{padding:16px;overflow:hidden}
.toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:28px}
.filterbar{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{height:36px;padding:0 18px;border-radius:999px;background:rgba(14,23,41,.88);border:1px solid var(--line);color:var(--muted);font-size:.86rem;font-weight:600;transition:all .2s ease;cursor:pointer}
.filter-chip:hover{color:var(--cyan);border-color:rgba(62,233,224,.45);background:rgba(62,233,224,.08)}
.filter-chip.is-active{background:rgba(62,233,224,.12);border-color:rgba(62,233,224,.55);color:var(--cyan);box-shadow:0 0 16px rgba(62,233,224,.15)}
.table-note{display:flex;align-items:center;gap:10px;color:var(--weak);font-size:.85rem;margin-top:18px}
.table-note i{color:var(--cyan)}
.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}
.server-table{width:100%;border-collapse:separate;border-spacing:0;min-width:680px}
.server-table thead th{font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--weak);font-weight:700;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;background:rgba(20,32,51,.7)}
.server-table tbody td{padding:16px 18px;border-bottom:1px solid rgba(158,192,242,.08);vertical-align:middle;color:var(--muted);font-size:.92rem}
.server-table tbody tr:last-child td{border-bottom:0}
.server-table tbody tr:hover{background:rgba(62,233,224,.035)}
.server-table tbody tr.outline-high{background:rgba(47,124,246,.035)}
.server-table tbody tr td:first-child{border-top-left-radius:12px;border-bottom-left-radius:12px}
.server-table tbody tr td:last-child{border-top-right-radius:12px;border-bottom-right-radius:12px}
.status-cell{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;font-weight:700;font-size:.86rem;color:var(--white)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--weak);position:relative;flex:0 0 auto;box-shadow:0 0 0 0 currentColor}
.dot.green{background:var(--success);color:var(--success);animation:pulse 2.4s infinite}
.dot.cyan-b{background:var(--cyan);color:var(--cyan)}
.dot.purple{background:var(--purple);color:var(--purple)}
.time-num{font-family:var(--num);font-size:.98rem;letter-spacing:.04em;color:var(--white);font-weight:700}
.srv-name{color:var(--white);font-weight:700;font-size:.95rem}
.type-pill{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(47,124,246,.12);border:1px solid rgba(47,124,246,.28);font-size:.78rem;color:#c4d9ff;white-space:nowrap}
.table-action{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 16px;border-radius:999px;background:rgba(47,124,246,.16);border:1px solid rgba(47,124,246,.4);color:#dcebff;font-size:.8rem;font-weight:600;transition:all .2s ease;white-space:nowrap}
.table-action:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.table-action.ghost-action{background:transparent;border-color:var(--line);color:var(--muted)}
.table-action.ghost-action:hover{color:var(--cyan);border-color:rgba(62,233,224,.45);background:rgba(62,233,224,.08)}
.filter-empty{text-align:center;padding:40px 16px;color:var(--weak)}
@media(max-width:768px){.toolbar{flex-direction:column;align-items:flex-start}.filterbar{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.filter-chip{white-space:nowrap;flex:0 0 auto}.table-panel{padding:8px}}

/* brief steps */
.brief-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.brief-card{padding:28px 26px 24px;border-radius:var(--radius-lg);background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.02));border:1px solid var(--line);backdrop-filter:blur(8px);transition:border-color .25s ease,transform .25s ease}
.brief-card:hover{border-color:rgba(62,233,224,.35);transform:translateY(-4px)}
.step-num{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.step-num em{font-style:normal;font-family:var(--num);font-size:1rem;font-weight:800;color:var(--cyan)}
.step-num i{font-style:normal;height:1px;flex:1;background:repeating-linear-gradient(to right,rgba(62,233,224,.35) 0 4px,transparent 4px 9px)}
.brief-card h3{font-size:1rem;font-weight:800;color:var(--white);margin-bottom:8px}
.brief-card p{font-size:.88rem;color:var(--muted);line-height:1.7;margin:0}
@media(max-width:991px){.brief-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.brief-grid{grid-template-columns:1fr}.brief-card{padding:22px}}

/* faq */
#faq{scroll-margin-top:150px}
.faq-head{text-align:left}
.faq-panel{max-width:900px;margin:0 auto}
.accordion-item{background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:var(--radius) !important;margin-bottom:14px;overflow:hidden;transition:border-color .25s ease}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(62,233,224,.42);box-shadow:0 0 0 1px rgba(62,233,224,.08)}
.accordion-button{background:transparent !important;box-shadow:none !important;color:var(--white);font-size:1rem;font-weight:700;padding:20px 24px;line-height:1.5;transition:color .2s ease}
.accordion-button:hover{color:var(--cyan)}
.accordion-button:not(.collapsed){color:var(--cyan)}
.accordion-button::after{background:none !important;content:'\f067';font-family:"Font Awesome 6 Free";font-weight:900;font-size:.9rem;width:auto;height:auto;background-image:none !important;transition:transform .3s ease;color:var(--cyan);opacity:.9}
.accordion-button:not(.collapsed)::after{content:'\f068';transform:rotate(0)}
.accordion-body{color:var(--muted);padding:0 24px 22px;font-size:.93rem;line-height:1.85;border-top:1px solid transparent}
.accordion-button:not(.collapsed)+.accordion-body{border-top-color:rgba(62,233,224,.12)}
.faq-more-note{display:flex;justify-content:center;margin-top:24px;font-size:.9rem;color:var(--weak)}
.faq-more-note a{color:var(--cyan)}
@media(max-width:767px){.accordion-button{padding:16px 18px;font-size:.94rem}.accordion-body{padding:0 18px 18px}}

/* back cta */
.homeward-band{padding:66px 0;border-top:1px solid rgba(158,192,242,.08);background:rgba(14,23,41,.54)}
.homeward-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:30px 46px;border-radius:var(--radius-lg);border:1px solid rgba(62,233,224,.28);background:radial-gradient(circle at 100% 0%,rgba(47,124,246,.22),transparent 40%),radial-gradient(circle at 0% 100%,rgba(62,233,224,.11),transparent 44%),rgba(20,32,51,.8);box-shadow:var(--shadow)}
.homeward-inner h2{font-size:clamp(1.2rem,2.5vw,1.7rem);font-weight:800;color:var(--white);margin:0 0 10px}
.homeward-inner p{color:var(--muted);font-size:.95rem;margin:0}
.homeward-actions{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:767px){.homeward-inner{padding:26px 20px}.homeward-actions .btn{width:100%}}

/* footer */
.site-footer{background:#070d17;border-top:1px solid rgba(158,192,242,.09);padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:52px;padding-bottom:42px}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{color:var(--muted);font-size:.93rem;max-width:380px;line-height:1.85}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);color:var(--muted);transition:all .2s ease}
.footer-social a:hover{color:var(--cyan);border-color:rgba(62,233,224,.4);background:rgba(62,233,224,.08);transform:translateY(-3px)}
.footer-col h4{font-size:.9rem;font-weight:800;color:var(--white);letter-spacing:.06em;margin-bottom:20px;position:relative}
.footer-col h4::after{content:'';display:block;width:22px;height:2px;background:var(--cyan);margin-top:8px;border-radius:2px;box-shadow:0 0 10px rgba(62,233,224,.6)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{color:var(--muted);font-size:.9rem;display:inline-flex;align-items:center;gap:8px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a i{font-size:.7rem;color:var(--weak)}
.footer-col ul a:hover{color:var(--cyan);padding-left:4px}
.footer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.footer-tags span{font-size:.78rem;padding:5px 14px;background:rgba(20,32,51,.8);border:1px solid var(--line);border-radius:999px;color:var(--muted)}
.footer-bottom{border-top:1px solid rgba(158,192,242,.08);padding:24px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
.footer-bottom p{font-size:.82rem;color:var(--weak);margin:0}
.footer-bottom p a{color:var(--muted)}
.footer-bottom p a:hover{color:var(--cyan)}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px}.footer-brand{grid-column:1 / -1}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:24px}.footer-bottom{flex-direction:column;align-items:flex-start}}

/* misc */
.icon-neon{color:var(--cyan)}
.text-fade{color:var(--weak)}
.fw-800{font-weight:800}
.note-card{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:14px;background:rgba(255,194,75,.05);border:1px solid rgba(255,194,75,.2);margin-top:40px}
.note-card i{color:var(--gold)}
.note-card p{margin:0;color:var(--muted);font-size:.86rem;line-height:1.7}
@media(max-width:768px){.section-block{padding:56px 0}.footer-grid{gap:30px}}

/* roulang page: category3 */
:root{
  --bg0:#0a111f;
  --bg1:#0e1729;
  --bg2:#142033;
  --line:rgba(158,192,242,.16);
  --ring:rgba(255,255,255,.12);
  --blue:#2f7cf6;
  --cyan:#3ee9e0;
  --violet:#8a66ff;
  --gold:#ffc24b;
  --green:#34d399;
  --red:#ff5d73;
  --text:#e7eefb;
  --text2:#a7b7d3;
  --muted:#6d7e9c;
  --disabled:#4b5875;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 8px 24px rgba(5,10,22,.5);
  --shadow-md:0 16px 42px rgba(5,10,22,.68);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","Arial Narrow",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg0);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:26px 26px;
}
body::after{
  content:"";
  position:fixed;
  top:-10%;
  right:-12%;
  width:540px;
  height:540px;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(circle,rgba(47,124,246,.14),transparent 62%);
  filter:blur(20px);
}
.container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl{
  max-width:1216px;
  padding-left:24px;
  padding-right:24px;
}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block}
button{font-family:inherit}
input{font-family:inherit}
section,div,p,h1,h2,h3,h4,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;color:var(--text)}
.mb-0{margin-bottom:0!important}
/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(10,17,31,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topnav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:76px;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.02));
  border:1px solid var(--ring);
  box-shadow:0 0 0 1px rgba(47,124,246,.2), inset 0 0 16px rgba(62,233,224,.08);
}
.brand-mark svg{width:30px;height:30px}
.brand-text{
  font-size:1.24rem;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.2;
  display:flex;
  flex-direction:column;
  color:var(--text);
}
.brand-text small{
  font-size:.62rem;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--muted);
  margin-top:4px;
  font-family:var(--font-num);
}
.topnav-right{
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 1 auto;
  justify-content:flex-end;
}
.search-wrap{
  position:relative;
  display:flex;
  align-items:center;
  width:min(300px,24vw);
}
.search-wrap i{
  position:absolute;
  left:14px;
  color:var(--muted);
  font-size:.9rem;
  pointer-events:none;
}
.search-wrap input{
  width:100%;
  height:40px;
  border-radius:999px;
  background:rgba(20,32,51,.78);
  border:1px solid var(--ring);
  padding:0 44px 0 38px;
  color:var(--text);
  font-size:.88rem;
  outline:none;
  transition:border .2s, box-shadow .2s;
}
.search-wrap input::placeholder{
  color:var(--muted);
}
.search-wrap input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(62,233,224,.14);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .18s ease;
  font-family:inherit;
}
.btn-md{
  height:40px;
  padding:0 22px;
  font-size:.88rem;
}
.btn-neon{
  background:linear-gradient(135deg,var(--blue),#2266d8);
  border-color:rgba(62,233,224,.55);
  color:#fff;
  box-shadow:0 0 0 1px rgba(47,124,246,.05),0 8px 28px rgba(47,124,246,.44);
}
.btn-neon:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(62,233,224,.6),0 14px 38px rgba(47,124,246,.6);
  color:#fff;
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--ring);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(62,233,224,.55);
  color:#fff;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),#e0a030);
  color:#0a111f;
  border-color:rgba(255,255,255,.24);
  box-shadow:0 8px 28px rgba(255,194,75,.3);
}
.btn-gold:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 34px rgba(255,194,75,.42);
  color:#0a111f;
}
.btn:focus-visible,.btn-neon:focus-visible,.btn-ghost:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(62,233,224,.7),0 0 0 6px rgba(47,124,246,.2);
}
.header-cta{
  white-space:nowrap;
}
/* channel nav */
.channel-nav{
  background:rgba(14,23,41,.66);
  border-top:1px solid rgba(158,192,242,.06);
}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  min-height:54px;
  scrollbar-width:none;
  -ms-overflow-style:none;
  white-space:nowrap;
  padding:7px 0;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:36px;
  padding:0 18px;
  font-size:.88rem;
  font-weight:600;
  color:var(--text2);
  border-radius:999px;
  flex-shrink:0;
  border:1px solid transparent;
  transition:color .2s, background .2s, border .2s;
}
.channel-item i{
  font-size:.86rem;
  color:var(--muted);
  transition:color .2s;
}
.channel-item:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
}
.channel-item:hover i{color:var(--cyan)}
.channel-item.active{
  color:#fff;
  background:linear-gradient(145deg,rgba(62,233,224,.12),rgba(47,124,246,.12));
  border:1px solid rgba(62,233,224,.35);
  box-shadow:inset 0 0 12px rgba(62,233,224,.08), 0 0 0 1px rgba(62,233,224,.12);
}
.channel-item.active i{color:var(--cyan)}
.channel-item.cta-nav{
  color:var(--gold);
  background:rgba(255,194,75,.08);
}
.channel-item.cta-nav i{color:var(--gold)}
/* hero */
.category-hero{
  position:relative;
  padding:80px 0 64px;
  overflow:hidden;
  z-index:1;
  border-bottom:1px solid var(--line);
}
.hero-canvas{
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:
    radial-gradient(720px 310px at 85% 24%,rgba(138,102,255,.22),transparent 62%),
    radial-gradient(620px 260px at 10% 78%,rgba(62,233,224,.12),transparent 58%),
    linear-gradient(180deg,rgba(14,23,41,.86),rgba(10,17,31,.94)),
    url("/assets/images/backpic/back-3.webp");
  background-position:center,center,center,center;
  background-size:cover;
}
.hero-canvas::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,17,31,.88) 0%,rgba(10,17,31,.45) 55%,rgba(10,17,31,.66) 100%);
}
.breadcrumb-slim{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8rem;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb-slim a{color:var(--muted);transition:color .2s}
.breadcrumb-slim a:hover{color:var(--cyan)}
.breadcrumb-slim i{color:var(--disabled);font-size:.75rem}
.breadcrumb-slim .now{color:var(--text2)}
.hero-title h1{
  font-size:clamp(1.7rem,3vw,2.6rem);
  font-weight:800;
  letter-spacing:.02em;
  margin:0 0 14px;
}
.hero-title h1 .hl{
  position:relative;
  color:var(--cyan);
}
.hero-title h1 .hl::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:8px;
  background:linear-gradient(90deg,rgba(62,233,224,.32),rgba(47,124,246,.05));
  z-index:-1;
  border-radius:8px;
}
.hero-desc{
  max-width:660px;
  font-size:1rem;
  color:var(--text2);
  margin-top:12px;
}
.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn-lg{
  height:52px;
  padding:0 30px;
  font-size:.95rem;
}
.hero-note{
  margin-top:12px;
  font-size:.84rem;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:6px;
}
.hero-guide-tags{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
/* section */
.page-main{
  position:relative;
  z-index:2;
}
.with-bg-1{
  background:rgba(14,23,41,.5);
  border-top:1px solid rgba(158,192,242,.05);
  border-bottom:1px solid rgba(158,192,242,.05);
}
.section{
  scroll-margin-top:140px;
}
/* quick chips */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.eyebrow{
  display:block;
  font-family:var(--font-num);
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:8px;
}
.guide-chips{
  padding:40px 0;
}
.guide-chips .card-label{
  font-size:.9rem;
  color:var(--text2);
  margin-right:4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  border:1px solid var(--ring);
  background:rgba(20,32,51,.48);
  color:var(--text2);
  height:38px;
  padding:0 14px;
  font-size:.86rem;
  white-space:nowrap;
  transition:all .2s;
}
.chip i{color:var(--muted);font-size:.78rem}
.chip:hover{
  color:#fff;
  border-color:rgba(62,233,224,.44);
  background:rgba(47,124,246,.12);
}
.chip.active{
  color:#fff;
  border-color:rgba(62,233,224,.6);
  background:rgba(62,233,224,.1);
  box-shadow:0 0 0 3px rgba(62,233,224,.1);
}
/* section heading */
.section-head{
  margin-bottom:36px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
}
.section-head h2{
  font-size:clamp(1.35rem,2.2vw,1.9rem);
  font-weight:800;
  margin-top:0;
}
.section-head .lead{
  color:var(--muted);
  font-size:.9rem;
  margin-top:4px;
  max-width:520px;
}
/* feature overview cards */
.overview-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:20px;
  margin-top:28px;
}
.ov-card{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--ring);
  background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 34px rgba(5,10,22,.34);
  overflow:hidden;
  transition:transform .2s,border-color .2s,background .25s;
  padding:28px 24px;
  min-height:220px;
}
.ov-card:hover{
  transform:translateY(-4px);
  border-color:rgba(62,233,224,.35);
  background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.03));
}
.ov-card.col-4{grid-column:span 4}
.ov-card.col-8{grid-column:span 4}
.ov-card.col-5{grid-column:span 5}
.ov-card.col-7{grid-column:span 7}
.ov-card.feature-main{
  grid-column:span 5;
  min-height:280px;
}
.ov-card .ov-icon{
  width:54px;
  height:54px;
  border-radius:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1.4rem;
  color:var(--cyan);
  background:rgba(62,233,224,.08);
  border:1px solid rgba(62,233,224,.3);
  box-shadow:inset 0 0 16px rgba(62,233,224,.05);
  margin-bottom:16px;
}
.ov-card h3{
  font-size:1.08rem;
  font-weight:800;
  color:var(--text);
  margin-bottom:10px;
}
.ov-card p{
  font-size:.9rem;
  color:var(--text2);
  line-height:1.7;
}
.ov-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:16px;
  font-size:.85rem;
  font-weight:700;
  color:var(--cyan);
}
.ov-more i{transition:transform .2s}
.ov-card:hover .ov-more i{transform:translateX(4px)}
.ov-main-grid{
  grid-column:span 7;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
/* guide vertical list */
.guide-pane{
  border-radius:var(--radius-lg);
  background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--ring);
  padding:9px 0;
}
.guide-list-item{
  display:flex;
  gap:20px;
  align-items:center;
  padding:24px;
  border-bottom:1px solid rgba(158,192,242,.08);
  transition:background .2s;
}
.guide-list-item:last-child{border-bottom:none}
.guide-list-item:hover{background:rgba(20,32,51,.42)}
.guide-thumb{
  position:relative;
  overflow:hidden;
  border-radius:14px;
  width:230px;
  aspect-ratio:16/10;
  flex-shrink:0;
  border:1px solid var(--ring);
}
.guide-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s;
}
.guide-list-item:hover .guide-thumb img{transform:scale(1.04)}
.guide-thumb .thumb-tag{
  position:absolute;
  left:10px;
  top:10px;
  z-index:2;
  font-size:.72rem;
  border-radius:6px;
  padding:3px 9px;
  background:rgba(10,17,31,.82);
  color:var(--cyan);
  border:1px solid rgba(62,233,224,.3);
  backdrop-filter:blur(8px);
  font-weight:600;
}
.guide-content{
  flex:1;
  min-width:0;
}
.guide-content .g-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  margin-bottom:6px;
  font-size:.78rem;
  color:var(--muted);
}
.guide-content .g-meta i{color:var(--cyan);margin-right:3px;font-size:.75rem}
.guide-content h3{
  font-size:1.12rem;
  font-weight:800;
  margin-bottom:6px;
  color:var(--text);
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.guide-content p{
  font-size:.9rem;
  color:var(--text2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.7;
  margin-bottom:14px;
}
.guide-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
}
.guide-links a{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:.84rem;
  font-weight:650;
  color:var(--text2);
  transition:color .2s;
}
.guide-links a i{font-size:.74rem;color:var(--muted);transition:color .2s}
.guide-links a:hover{color:var(--cyan)}
.guide-links a:hover i{color:var(--cyan)}
/* scenarios */
.scenarios-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:20px;
}
.sc-card{
  grid-column:span 4;
  border-radius:var(--radius-lg);
  border:1px solid var(--ring);
  background:var(--bg2);
  padding:26px 22px;
  position:relative;
  overflow:hidden;
  transition:transform .2s,border .2s;
}
.sc-card:hover{
  transform:translateY(-3px);
  border-color:rgba(47,124,246,.45);
}
.sc-card .sc-num{
  position:absolute;
  right:20px;
  top:12px;
  font-family:var(--font-num);
  font-size:2.4rem;
  font-weight:800;
  opacity:.12;
  color:var(--cyan);
}
.sc-card h3{
  font-size:1.02rem;
  font-weight:800;
  margin-bottom:8px;
  position:relative;
}
.sc-card p{
  font-size:.88rem;
  color:var(--text2);
  margin-bottom:12px;
}
.sc-card .tag-line{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.76rem;
  color:var(--muted);
}
.sc-card .tag-line i{color:var(--green)}
/* cta banner */
.cta-banner{
  border-radius:calc(var(--radius-lg) + 6px);
  padding:44px 40px;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(62,233,224,.2);
  background:
    radial-gradient(440px 300px at 100% 30%,rgba(138,102,255,.2),transparent 60%),
    radial-gradient(360px 220px at 0 100%,rgba(47,124,246,.18),transparent 55%),
    linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.018));
  backdrop-filter:blur(12px);
  box-shadow:0 28px 60px rgba(5,10,22,.7);
}
.cta-banner::after{
  content:"";
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  background-image:linear-gradient(90deg,rgba(62,233,224,.04) 1px,transparent 1px),linear-gradient(rgba(47,124,246,.03) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
}
.cta-inner h2{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  font-weight:800;
  margin-bottom:10px;
}
.cta-inner p{
  color:var(--text2);
  max-width:520px;
  margin:0 auto 28px;
}
/* FAQ */
.faq-section{
  padding:72px 0;
}
.faq-list{
  max-width:780px;
  margin:0 auto;
  display:grid;
  gap:12px;
}
.accordion-item{
  border-radius:var(--radius-lg) !important;
  border:1px solid var(--line) !important;
  overflow:hidden;
  background:rgba(20,32,51,.4) !important;
  box-shadow:0 0 0 1px transparent;
  transition:border-color .22s, box-shadow .22s;
  margin-bottom:0;
}
.accordion-item[aria-expanded="true"]{
  border-color:rgba(62,233,224,.4) !important;
  box-shadow:0 0 0 1px rgba(62,233,224,.1), 0 8px 26px rgba(5,10,22,.5);
}
.accordion-header .accordion-button{
  background:transparent !important;
  color:var(--text) !important;
  font-weight:700;
  font-size:.98rem;
  padding:20px 22px;
  box-shadow:none !important;
  border-radius:var(--radius-lg) !important;
  display:flex;
}
.accordion-header .accordion-button:not(.collapsed){
  color:var(--cyan) !important;
  background:rgba(47,124,246,.05) !important;
}
.accordion-header .accordion-button:focus{
  box-shadow:0 0 0 4px rgba(62,233,224,.2) !important;
  border-radius:var(--radius-lg) !important;
}
.accordion-button i{
  margin-right:10px;
  color:var(--cyan);
  font-size:.86rem;
}
.accordion-button::after{
  filter:brightness(0) invert(1) opacity(.6);
}
.accordion-button:not(.collapsed)::after{
  filter:brightness(0) invert(1) opacity(.8);
  transform:rotate(180deg);
}
.accordion-body{
  padding:0 22px 22px 42px;
  color:var(--text2);
  font-size:.9rem;
}
/* footer */
.site-footer{
  position:relative;
  z-index:3;
  background:#08101b;
  border-top:1px solid var(--line);
  padding-top:60px;
  margin-top:60px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:40px;
}
.footer-brand .brand{
  margin-bottom:18px;
}
.footer-desc{
  color:var(--muted);
  font-size:.9rem;
  max-width:360px;
  line-height:1.8;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.footer-social a{
  width:38px;
  height:38px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--ring);
  color:var(--text2);
  font-size:.9rem;
  transition:all .2s;
}
.footer-social a:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  transform:translateY(-2px);
}
.footer-col h4{
  color:var(--text);
  font-size:1rem;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  color:var(--text2);
  font-size:.88rem;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:all .2s;
}
.footer-col ul li a i{color:var(--muted);font-size:.7rem}
.footer-col ul li a:hover{
  color:var(--cyan);
  padding-left:3px;
}
.footer-col ul li a:hover i{color:var(--cyan)}
.footer-note{
  color:var(--muted);
  font-size:.84rem;
  line-height:1.9;
}
.footer-note a{color:var(--text2)}
.footer-note a:hover{color:var(--cyan)}
.footer-note i{
  color:var(--blue);
  width:16px;
  text-align:center;
  margin-right:3px;
}
.copyright-row{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  color:var(--muted);
  font-size:.8rem;
}
.copyright-row a{color:var(--muted)}
.copyright-row a:hover{color:var(--cyan)}
/* responsive */
@media (max-width: 1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-desc{max-width:100%}
  .guide-list-item{flex-wrap:wrap}
  .guide-thumb{width:100%;aspect-ratio:16/9}
  .ov-main-grid{grid-column:span 12}
  .feature-main, .ov-card.col-7{grid-column:span 12}
  .sc-card{grid-column:span 6}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width: 768px){
  .topnav{
    display:flex;
    align-items:center;
    gap:12px;
    min-height:68px;
  }
  .brand-text{font-size:1.1rem}
  .brand-text small{display:none}
  .brand-mark{width:38px;height:38px;border-radius:10px}
  .brand-mark svg{width:26px;height:26px}
  .search-wrap{display:none}
  .header-cta span{display:inline}
  .header-cta{padding:0 14px}
  .category-hero{padding:58px 0 48px}
  .hero-title h1{line-height:1.15}
  .page-main .section{padding-left:0;padding-right:0}
  .overview-grid{grid-template-columns:1fr}
  .ov-card.feature-main,.ov-main-grid,.ov-card.col-4,.ov-card.col-7,.ov-card.col-8{grid-column:span 1}
  .ov-main-grid{grid-template-columns:1fr}
  .scenarios-grid{grid-template-columns:1fr}
  .guide-list-item{padding:18px;gap:14px}
  .guide-thumb{width:100%;aspect-ratio:16/9}
  .cta-banner{padding:34px 22px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-note{margin-top:0}
}
@media (max-width: 520px){
  body{font-size:15px}
  .container,.container-lg,.container-md,.container-sm,.container-xl,.container-xxl{
    padding-left:18px;padding-right:18px;
  }
  .topnav{gap:8px;flex-wrap:nowrap}
  .brand-text{font-size:1.02rem;display:block}
  .header-cta i{display:none}
  .header-cta{padding:0 12px;font-size:.8rem}
  .category-hero{padding:48px 0 36px}
  .breadcrumb-slim{font-size:.74rem;margin-bottom:14px}
  .hero-desc{font-size:.92rem}
  .btn-lg{width:100%}
  .hero-actions .btn{width:100%}
  .chip{height:34px;padding:0 10px;font-size:.8rem}
  .guide-chips{padding:28px 0}
  .guide-list-item{padding:16px 14px}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:1.28rem}
  .ov-card{padding:22px 18px}
  .accordion-button{font-size:.9rem !important;padding:18px 16px}
  .accordion-body{padding:0 16px 18px 32px}
  .cta-banner{border-radius:16px;padding:30px 18px}
  .cta-inner h2{font-size:1.4rem}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:10px}
  .footer-brand,.footer-col{margin-bottom:14px}
  .copyright-row{flex-direction:column;padding:18px}
  .channel-item{padding:0 13px;font-size:.82rem;height:34px}
  .channel-item i:nth-child(n){font-size:.8rem}
}
footer .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
@media (max-width: 820px){
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* roulang page: category4 */
:root{
  --bg0:#0a111f;
  --bg1:#0e1729;
  --bg2:#142033;
  --line:rgba(158,192,242,0.16);
  --glass-line:rgba(255,255,255,0.12);
  --txt-main:#e7eefb;
  --txt-second:#a7b7d3;
  --txt-weak:#6d7e9c;
  --txt-disabled:#4b5875;
  --primary:#2f7cf6;
  --cyan:#3ee9e0;
  --purple:#8a66ff;
  --gold:#ffc24b;
  --success:#34d399;
  --danger:#ff5d73;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --max-w:1216px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","Arial Narrow",var(--font-sans);
  --shadow-panel:0 20px 60px rgba(2,8,23,.45), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-card:0 12px 32px rgba(2,8,23,.35), inset 0 1px 0 rgba(255,255,255,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg0);
  color:var(--txt-main);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 12% -5%,rgba(47,124,246,.13),transparent 28%),radial-gradient(circle at 88% 4%,rgba(62,233,224,.08),transparent 22%);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(158,192,242,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(158,192,242,.035) 1px,transparent 1px);
  background-size:44px 44px;
}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease}
a:focus-visible,button:focus-visible,input:focus-visible,input[type="search"]:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
ul{list-style:none}
.container{max-width:var(--max-w);margin:0 auto;padding-left:24px;padding-right:24px;position:relative;z-index:1}
section{position:relative;scroll-margin-top:142px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--cyan);
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);
  opacity:.8;
}
.section-head h2{
  font-size:clamp(1.5rem,2.5vw,2rem);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.3;
}
.section-sub{color:var(--txt-second);max-width:640px;margin-top:8px}
.section-block{padding:72px 0}
@media(min-width:992px){.section-block{padding:96px 0}}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,17,31,.86);
  backdrop-filter:blur(18px) saturate(1.5);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  border-bottom:1px solid var(--line);
}
.site-header.scrolled{background:rgba(8,13,25,.94);box-shadow:0 12px 36px rgba(2,8,23,.35)}
.topnav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:80px;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:linear-gradient(145deg,rgba(62,233,224,.15),rgba(47,124,246,.08));
  border:1px solid rgba(62,233,224,.3);
  box-shadow:0 0 18px rgba(62,233,224,.14),inset 0 0 14px rgba(47,124,246,.14);
}
.brand-text{
  font-size:21px;
  font-weight:800;
  color:var(--txt-main);
  letter-spacing:.02em;
  line-height:1.2;
  white-space:nowrap;
}
.brand-text small{
  display:block;
  font-size:9px;
  font-weight:600;
  letter-spacing:.32em;
  color:var(--txt-weak);
  margin-top:2px;
}
.topnav-right{display:flex;align-items:center;gap:14px}
.search-wrap{
  display:none;
  align-items:center;
  gap:9px;
  width:240px;
  height:38px;
  padding:0 13px;
  background:rgba(20,32,51,.75);
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--txt-weak);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.search-wrap:focus-within{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(62,233,224,.13),0 0 20px rgba(62,233,224,.08);
  background:rgba(14,23,41,.9);
}
.search-wrap input{
  border:0;background:transparent;outline:none;
  color:var(--txt-main);
  font-size:13.5px;
  width:100%;
}
.search-wrap input::placeholder{color:var(--txt-weak)}
@media(min-width:1200px){.search-wrap{display:flex}.topnav-right .header-cta span{display:inline}}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border:0;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:var(--radius-sm);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  font-family:var(--font-sans);
}
.btn-md{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-neon{
  background:linear-gradient(135deg,#2f7cf6,#4ba5ff);
  color:#fff;
  box-shadow:0 0 0 1px rgba(62,233,224,.3),0 8px 28px rgba(47,124,246,.38);
}
.btn-neon:hover{
  color:#fff;
  background:linear-gradient(135deg,#3c87ff,#5cc8ff);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(62,233,224,.4),0 12px 36px rgba(47,124,246,.5),0 0 24px rgba(62,233,224,.18);
}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(158,192,242,.22);
  color:var(--txt-main);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(62,233,224,.4);
  color:var(--cyan);
  transform:translateY(-1px);
}
.header-cta{
  height:38px;
  border-radius:999px;
  padding:0 17px;
  font-size:13px;
  box-shadow:0 0 0 1px rgba(62,233,224,.25),0 6px 20px rgba(47,124,246,.25);
}
.channel-nav{
  position:relative;
  border-top:1px solid rgba(158,192,242,.08);
}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:4px;
  height:54px;
  overflow-x:auto;
  scrollbar-width:none;
  white-space:nowrap;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:34px;
  padding:0 18px;
  border-radius:999px;
  color:var(--txt-second);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:all .22s ease;
  flex-shrink:0;
}
.channel-item i{font-size:13px;color:var(--txt-weak);transition:color .22s ease}
.channel-item:hover{color:var(--txt-main);background:rgba(255,255,255,.05)}
.channel-item:hover i{color:var(--cyan)}
.channel-item.active{
  background:rgba(62,233,224,.09);
  color:var(--cyan);
  box-shadow:inset 0 0 0 1px rgba(62,233,224,.28),0 0 16px rgba(62,233,224,.06);
}
.channel-item.active i{color:var(--cyan)}
.channel-item.cta-nav{
  margin-left:auto;
  color:var(--txt-weak);
  font-size:13px;
  font-weight:500;
  cursor:pointer;
  border:1px dashed rgba(158,192,242,.24);
}
.channel-item.cta-nav i{font-size:12px}
.channel-item.cta-nav:hover{color:var(--cyan);border-color:rgba(62,233,224,.35)}
@media(max-width:767px){
  .topnav{height:70px}
  .brand-text{display:none}
  .channel-scroll{height:50px;padding-right:12px}
}
@media(max-width:991px){
  .search-wrap{display:none}
  .header-cta{padding:0 14px}
  .header-cta span{display:none}
}
/* hero */
.cat-hero{
  position:relative;
  padding:72px 0 76px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero .bg-cover{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center 45%;
  opacity:.26;
  z-index:0;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(900px 420px at 18% 20%,rgba(47,124,246,.16),transparent 60%),radial-gradient(700px 380px at 82% 78%,rgba(62,233,224,.1),transparent 55%),linear-gradient(180deg,rgba(10,17,31,.58) 0%,rgba(10,17,31,.88) 100%);
  z-index:0;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  gap:34px;
  grid-template-columns:1fr;
}
@media(min-width:992px){
  .hero-inner{grid-template-columns:7fr 5fr;align-items:center}
  .cat-hero{padding:56px 0 64px}
}
.cat-hero-content{max-width:680px}
.cat-hero-content h1{
  font-size:clamp(2rem,4vw,3rem);
  line-height:1.18;
  font-weight:900;
  letter-spacing:-.02em;
  margin-top:6px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hero-tags span{
  height:26px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:0 12px;
  font-size:12px;
  font-weight:600;
  color:var(--txt-second);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:999px;
}
.hero-tags span i{color:var(--cyan);font-size:10px}
.hero-desc{
  margin:20px 0 28px;
  color:var(--txt-second);
  font-size:15.5px;
  max-width:560px;
  opacity:.95;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero-card{
  background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-panel);
  padding:24px;
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";
  position:absolute;
  top:0;left:12%;
  width:76%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(62,233,224,.7),transparent);
}
.hero-card-head{
  display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid rgba(158,192,242,.11);
  padding-bottom:13px;margin-bottom:15px;
}
.hero-card-head span{
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--cyan);
}
.live-dot{display:inline-flex;align-items:center;gap:8px}
.live-dot i{font-size:9px;color:var(--success);text-shadow:0 0 8px var(--success)}
.hero-card-row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  padding:8px 0;
  border-bottom:1px dashed rgba(158,192,242,.09);
}
.hero-card-row:last-of-type{border-bottom:0}
.hero-card-row .lbl{font-size:13px;color:var(--txt-weak)}
.hero-card-row .num{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:var(--txt-main);
  font-variant-numeric:tabular-nums;
}
.hero-card-row .sum{
  font-size:14px;
  color:var(--gold);
  font-weight:600;
}
.hero-card-row .sum.cyan{color:var(--cyan)}
.hero-card-row .sum.purple{color:var(--purple)}
.hero-card-foot{margin-top:14px}
.progress{
  height:6px;
  border-radius:999px;
  background:rgba(158,192,242,.1);
  overflow:visible;
}
.progress-bar{
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  border-radius:999px;
  position:relative;
  box-shadow:0 0 10px rgba(62,233,224,.5);
}
.hero-card-foot .range{margin-top:7px;font-size:12px;color:var(--txt-weak);display:flex;justify-content:space-between}
/* stats strip */
.stats-strip{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,23,41,.65),rgba(10,17,31,.1));
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:rgba(158,192,242,.12);
  overflow:hidden;
  border:1px solid rgba(158,192,242,.12);
  border-radius:var(--radius-md);
  margin:-18px 0 0;
  position:relative;
  z-index:3;
  transform:translateY(-22px);
  box-shadow:var(--shadow-card);
}
@media(min-width:992px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat-cell{
  background:#0d1626;
  padding:21px 20px;
  display:flex;
  align-items:center;
  gap:14px;
}
.stat-cell i{
  width:40px;height:40px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  background:rgba(47,124,246,.13);
  color:var(--cyan);
  border:1px solid rgba(62,233,224,.22);
  box-shadow:inset 0 0 12px rgba(47,124,246,.18);
}
.stat-cell .data{line-height:1.2}
.stat-cell .data strong{
  display:block;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:800;
  color:var(--txt-main);
  font-variant-numeric:tabular-nums;
}
.stat-cell .data small{font-size:12px;color:var(--txt-weak)}
/* activity cards two col stacked */
.dual-activity{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
@media(min-width:992px){.dual-activity{grid-template-columns:2fr 3fr}}
.activity-main{
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  position:relative;
  display:flex;
  flex-direction:column;
}
.activity-main .thumb-wrap{position:relative;height:220px;overflow:hidden;background:#101b2e}
.activity-main .thumb-wrap img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.activity-main:hover .thumb-wrap img{transform:scale(1.04)}
.activity-main .thumb-wrap::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,17,31,0) 40%,rgba(10,17,31,.75));
}
.badge-new{
  position:absolute;
  top:16px;left:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  font-size:12px;
  font-weight:700;
  color:#fff;
  border-radius:6px;
  background:linear-gradient(135deg,var(--purple),#a97dff);
  box-shadow:0 6px 18px rgba(138,102,255,.45);
}
.badge-time{
  position:absolute;
  right:16px;bottom:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:rgba(10,17,31,.62);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:3px 11px;
}
.badge-time i{color:var(--gold);font-size:11px}
.activity-main .body{padding:24px}
.activity-main .title{font-size:21px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px}
.activity-main .desc{color:var(--txt-second);font-size:14.5px;line-height:1.7}
.progress-block{margin-top:20px}
.progress-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;
  color:var(--txt-weak);
  margin-bottom:9px;
}
.progress-head b{color:var(--txt-main);font-weight:700}
.bottom-row{
  margin-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.reward-tag{display:flex;gap:7px}
.reward-tag span{
  height:26px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  background:rgba(255,194,75,.08);
  border:1px solid rgba(255,194,75,.25);
  color:var(--gold);
  border-radius:999px;
  font-size:12px;
  font-weight:600;
}
@media(max-width:575px){
  .reward-tag{flex-wrap:wrap}
}
.activity-side{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--glass-line);
  border-radius:var(--radius-md);
  padding:22px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.side-card:hover{
  transform:translateY(-3px);
  border-color:rgba(62,233,224,.4);
  box-shadow:0 18px 36px rgba(2,8,23,.45),0 0 20px rgba(62,233,224,.1);
}
.side-icon{
  width:58px;height:58px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  flex-shrink:0;
  background:linear-gradient(145deg,rgba(138,102,255,.18),rgba(47,124,246,.08));
  border:1px solid rgba(138,102,255,.28);
  color:#c7b3ff;
  box-shadow:inset 0 0 16px rgba(138,102,255,.14),0 8px 22px rgba(138,102,255,.15);
}
.side-icon.cyan-bg{
  background:linear-gradient(145deg,rgba(62,233,224,.16),rgba(47,124,246,.08));
  border-color:rgba(62,233,224,.3);
  color:var(--cyan);
  box-shadow:inset 0 0 16px rgba(62,233,224,.1),0 8px 22px rgba(47,124,246,.14);
}
.side-main{flex:1;min-width:190px}
.side-main .title{font-size:17px;font-weight:800;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.side-main .desc{font-size:13.5px;color:var(--txt-second);margin-top:5px;line-height:1.65}
.side-main .meta{
  margin-top:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.count-down{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--danger);
  font-weight:700;
  letter-spacing:.03em;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.count-down.success{color:var(--success)}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--txt-second);
}
.status-pill .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 8px var(--success);
  flex-shrink:0;
}
.status-pill .dot.warning{background:var(--gold);box-shadow:0 0 8px var(--gold)}
.status-pill .dot.danger{background:var(--danger);box-shadow:0 0 8px var(--danger)}
/* reward rail */
.reward-section{
  background:rgba(14,23,41,.5);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.rail-scroll{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  margin-top:32px;
}
@media(min-width:640px){.rail-scroll{grid-template-columns:1fr 1fr}}
@media(min-width:1200px){.rail-scroll{grid-template-columns:1fr 1fr 1fr 1fr}}
.reward-card{
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);
  border-radius:var(--radius-md);
  padding:21px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.reward-card:hover{
  transform:translateY(-4px);
  border-color:rgba(62,233,224,.42);
  box-shadow:0 20px 38px rgba(2,8,23,.42),0 0 26px rgba(62,233,224,.08);
}
.reward-card .rare-corner{
  position:absolute;
  top:14px;right:14px;
  font-size:11px;
  font-weight:700;
  height:22px;
  padding:0 9px;
  border-radius:6px;
  letter-spacing:.06em;
}
.reward-card .rare-corner.epic{
  background:rgba(138,102,255,.14);
  color:#c9b6ff;
  border:1px solid rgba(138,102,255,.4);
}
.reward-card .rare-corner.rare{
  background:rgba(62,233,224,.1);
  color:var(--cyan);
  border:1px solid rgba(62,233,224,.35);
}
.reward-card .rare-corner.common{
  background:rgba(158,192,242,.08);
  color:var(--txt-second);
  border:1px solid rgba(158,192,242,.2);
}
.reward-top{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:15px;
}
.reward-top .box{
  width:56px;
  height:56px;
  border-radius:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  background:rgba(47,124,246,.14);
  border:1px solid rgba(47,124,246,.24);
  color:var(--cyan);
  box-shadow:inset 0 0 16px rgba(47,124,246,.12),0 8px 20px rgba(47,124,246,.12);
}
.reward-card.purple-reward .reward-top .box{
  background:rgba(138,102,255,.14);
  border-color:rgba(138,102,255,.3);
  color:#bdabff;
}
.reward-card.gold-reward .reward-top .box{
  background:rgba(255,194,75,.12);
  border-color:rgba(255,194,75,.28);
  color:var(--gold);
}
.reward-top .name strong{display:block;font-size:16px;font-weight:800;line-height:1.3}
.reward-top .name small{font-size:12px;color:var(--txt-weak);letter-spacing:.02em}
.reward-desc{font-size:13.5px;color:var(--txt-second);line-height:1.65;margin-bottom:16px;min-height:45px}
.reward-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  border-top:1px solid rgba(158,192,242,.1);
  padding-top:14px;
}
.reward-foot .value{
  font-family:var(--font-num);
  font-size:17px;
  color:var(--gold);
  font-weight:800;
}
.reward-foot .value small{font-size:12px;color:var(--txt-weak);font-weight:400;margin-left:2px}
.reward-action{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  color:var(--cyan);
  background:rgba(62,233,224,.08);
  border:1px solid rgba(62,233,224,.28);
}
.reward-action:hover{background:rgba(62,233,224,.15);color:#8ffbf3}
/* steps */
.steps-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:34px;
  counter-reset:step;
}
@media(min-width:992px){.steps-grid{grid-template-columns:repeat(4,1fr)}}
.step-card{
  position:relative;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 20px 22px;
  transition:all .25s ease;
}
.step-card::before{
  counter-increment:step;
  content:"0" counter(step);
  font-family:var(--font-num);
  font-size:30px;
  font-weight:800;
  color:var(--cyan);
  letter-spacing:.01em;
  text-shadow:0 0 18px rgba(62,233,224,.3);
  display:block;
  margin-bottom:12px;
  line-height:1;
}
.step-card::after{
  content:"";
  position:absolute;
  top:24px;
  left:calc(100% - 5px);
  width:14px;
  height:1px;
  border-top:1px dashed rgba(62,233,224,.5);
}
@media(max-width:991px){.step-card:nth-child(4n)::after{display:none}}
@media(min-width:992px){.step-card:last-child::after{display:none}}
.step-card:hover{
  background:rgba(255,255,255,.05);
  border-color:rgba(62,233,224,.35);
  transform:translateY(-3px);
}
.step-title{font-size:16px;font-weight:800;margin:4px 0 7px}
.step-desc{font-size:13.5px;color:var(--txt-second);line-height:1.65}
/* CTA panel */
.cta-panel{
  margin-top:24px;
  background:linear-gradient(145deg,rgba(47,124,246,.15),rgba(20,32,51,.75));
  border:1px solid rgba(62,233,224,.28);
  border-radius:var(--radius-lg);
  position:relative;
  overflow:hidden;
  padding:42px 38px;
  box-shadow:0 24px 60px rgba(2,8,23,.5),inset 0 1px 0 rgba(255,255,255,.07);
  text-align:center;
}
.cta-panel::before{
  content:"";
  position:absolute;
  top:-70px;left:10%;
  width:80%;
  height:160px;
  background:radial-gradient(50% 100% at 50% 100%,rgba(62,233,224,.22),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:900;position:relative}
.cta-panel p{color:var(--txt-second);margin:14px auto 28px;max-width:600px;position:relative}
.cta-panel .btn-lg{position:relative}
/* faq */
.faq-wrap{max-width:840px;margin-top:32px}
.accordion-item{
  background:rgba(255,255,255,.035) !important;
  border:1px solid var(--line) !important;
  border-radius:var(--radius-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion-item.active{border-color:rgba(62,233,224,.55) !important;box-shadow:0 0 24px rgba(62,233,224,.07)}
.accordion-button{
  background:transparent !important;
  color:var(--txt-main) !important;
  font-weight:700;
  font-size:15.5px;
  padding:20px 22px;
  box-shadow:none !important;
  gap:12px;
  align-items:center;
}
.accordion-button::after{
  content:"" !important;
  width:18px !important;
  height:18px !important;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233ee9e0' stroke-width='3'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat !important;
  background:none;
  border-right:2px solid var(--cyan);
  border-bottom:2px solid var(--cyan);
  transform:rotate(45deg) !important;
  width:9px;
  height:9px;
  transition:transform .25s ease;
  font-weight:800;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg) !important;
  border-color:var(--cyan);
}
.accordion-button:not(.collapsed){color:var(--cyan) !important}
.accordion-button .ai{
  width:28px;height:28px;
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(62,233,224,.1);
  color:var(--cyan);
  font-size:13px;
  flex-shrink:0;
}
.accordion-body{
  color:var(--txt-second);
  font-size:14.5px;
  padding:0 22px 22px;
  border-top:1px dashed rgba(158,192,242,.12);
  padding-top:16px;
}
/* return path */
.return-path{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  background:rgba(158,192,242,.05);
  border:1px dashed rgba(62,233,224,.42);
  border-radius:var(--radius-md);
  padding:24px 30px;
  margin-top:10px;
}
.return-path .txt{display:flex;align-items:center;gap:14px}
.return-path .txt i{
  width:38px;height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(62,233,224,.12);
  color:var(--cyan);
  border:1px solid rgba(62,233,224,.26);
}
.return-path .txt strong{display:block;font-size:15.5px}
.return-path .txt small{font-size:13px;color:var(--txt-weak)}
/* footer full */
.site-footer{
  background:rgba(8,13,23,.9);
  border-top:1px solid var(--line);
  margin-top:70px;
  position:relative;
}
.site-footer .brand-text{font-size:19px}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding:58px 0 40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
@media(min-width:1200px){.footer-grid{grid-template-columns:1.7fr .8fr 1fr 1fr}}
.footer-desc{color:var(--txt-weak);font-size:13.8px;line-height:1.75;margin:16px 0 0;max-width:360px}
.footer-social{margin-top:18px;display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--txt-second);
  font-size:15px;
}
.footer-social a:hover{
  background:rgba(62,233,224,.1);
  border-color:rgba(62,233,224,.36);
  color:var(--cyan);
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:15px;
  font-weight:800;
  color:var(--txt-main);
  margin-bottom:18px;
  letter-spacing:.03em;
}
.footer-col ul{display:grid;gap:4px}
.footer-col ul li{line-height:1.3}
.footer-col a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--txt-weak);
  font-size:14px;
  padding:5px 0;
}
.footer-col a i{
  font-size:11px;
  color:var(--txt-disabled);
  transition:color .2s,transform .2s;
}
.footer-col a:hover{color:var(--cyan)}
.footer-col a:hover i{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(158,192,242,.08);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer-bottom p{
  color:var(--txt-weak);
  font-size:13px;
}
.footer-bottom .tech{font-size:12px;color:var(--txt-disabled)}
@media(max-width:439px){
  .hero-ctas .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .section-block{padding:50px 0}
  .cat-hero{padding:46px 0 42px}
  .side-card{gap:14px}
  .cta-panel{padding:34px 20px}
  .return-path{padding:20px}
}
@media(max-width:767px){
  .brand small{display:none}
  .activity-main .title{font-size:18px}
  .rail-scroll{gap:15px}
}