/* roulang page: index */
:root{
  --bg:#0e0c15;
  --bg2:#16121f;
  --bg3:#1c1729;
  --card:#1e1830;
  --panel:#221a30;
  --text:#f7f5fa;
  --muted:#b2abc0;
  --faint:#7b738c;
  --primary:#7c5cfc;
  --primary-light:#9e80ff;
  --accent:#2ce6b6;
  --gold:#f5b94f;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius:24px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 20px 44px rgba(0,0,0,.45);
  --transition:.25s ease;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 22% 8%, rgba(124,92,252,.16), transparent 36%),
    radial-gradient(circle at 90% 42%, rgba(44,230,182,.08), transparent 28%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:var(--text);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--primary-light);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
ul{padding:0;margin:0;list-style:none;}
h1,h2,h3,h4,h5{
  margin:0;
  line-height:1.3;
  text-wrap:balance;
}
p{margin:0;}
::selection{background:rgba(124,92,252,.35);color:#fff;}
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg2);}
::-webkit-scrollbar-thumb{background:#3c3250;border-radius:20px;}
::-webkit-scrollbar-thumb:hover{background:#594a78;}

.container{
  width:min(var(--container), 100% - 48px);
  margin-inline:auto;
}
.grid-container{
  max-width:calc(var(--container) + 32px);
}

.section{
  padding:92px 0;
  position:relative;
}
.section-alt{
  background:linear-gradient(180deg, rgba(22,18,31,.9), rgba(28,23,41,.7));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(1.7rem,3.6vw,2.5rem);
  letter-spacing:-.025em;
  font-weight:700;
}
.section-sub{
  color:var(--muted);
  margin-top:8px;
  max-width:620px;
  font-size:.95rem;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.82rem;
  letter-spacing:.08em;
  color:var(--accent);
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.eyebrow i{
  font-size:.7rem;
  color:var(--primary-light);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-weight:500;
  font-size:.95rem;
  white-space:nowrap;
  transition:color var(--transition);
}
.text-link i{
  transition:transform var(--transition);
}
.text-link:hover{
  color:var(--primary-light);
}
.text-link:hover i{
  transform:translateX(4px);
}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:72px;
  background:rgba(14,12,21,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled{
  background:rgba(10,8,16,.94);
  box-shadow:0 8px 24px rgba(0,0,0,.2);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;
  place-items:center;
  color:#fff;
  font-family:Georgia, serif;
  font-weight:800;
  font-size:1.2rem;
  box-shadow:0 4px 18px rgba(124,92,252,.46);
}
.brand-name{
  font-size:1.22rem;
  font-weight:600;
  letter-spacing:-.02em;
  color:var(--text);
  white-space:nowrap;
}
.brand-name span{
  font-weight:400;
  color:var(--muted);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:4px;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:999px;
  font-size:.94rem;
  font-weight:500;
  color:var(--muted);
  transition:all var(--transition);
  white-space:nowrap;
}
.nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.04);
}
.nav-link.is-active{
  color:#fff;
  background:rgba(124,92,252,.16);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px var(--accent);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.search-trigger{
  display:flex;
  align-items:center;
  gap:10px;
  height:42px;
  min-width:230px;
  padding:0 10px 0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.09);
  color:var(--muted);
  font-size:.88rem;
  transition:all var(--transition);
}
.search-trigger i{color:var(--faint);font-size:.85rem;}
.search-trigger span{flex:1;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.search-trigger kbd{
  font-family:inherit;
  font-size:.72rem;
  color:var(--faint);
  border:1px solid var(--line-strong);
  border-radius:6px;
  padding:2px 7px;
  background:rgba(0,0,0,.22);
}
.search-trigger:hover{border-color:rgba(124,92,252,.6);background:rgba(124,92,252,.08);color:#fff;}
.search-trigger:hover i{color:var(--primary-light);}
.icon-btn{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--muted);
  transition:all var(--transition);
}
.icon-btn:hover{
  color:#fff;
  border-color:var(--primary);
  background:rgba(124,92,252,.12);
  transform:translateY(-2px);
}
.btn{
  height:48px;
  padding:0 24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:999px;
  font-size:.92rem;
  font-weight:600;
  white-space:nowrap;
  transition:all var(--transition);
  text-decoration:none;
}
.btn-primary{
  background:linear-gradient(135deg,#7c5cfc,#4dd7b3);
  color:#fff;
  box-shadow:0 8px 22px rgba(124,92,252,.26);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 14px 28px rgba(124,92,252,.42);
  filter:brightness(1.08);
}
.btn-outline{
  background:rgba(255,255,255,.02);
  color:#fff;
  border:1px solid var(--line-strong);
}
.btn-outline:hover{
  border-color:var(--primary);
  background:rgba(124,92,252,.14);
  transform:translateY(-3px);
}
.btn-ghost{
  background:transparent;
  color:var(--muted);
  border:1px solid transparent;
}
.btn-ghost:hover{
  color:#fff;
  background:rgba(255,255,255,.05);
}
.btn-sm{height:40px;padding:0 18px;font-size:.86rem;}

/* mobile draw */
.burger{
  width:44px;
  height:44px;
  display:none;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  place-items:center;
  font-size:1.2rem;
}
.mobile-draw{
  position:fixed;
  top:0;
  right:-340px;
  width:min(330px,88vw);
  height:100vh;
  z-index:120;
  background:var(--bg2);
  border-left:1px solid var(--line);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:right .35s ease;
  box-shadow:var(--shadow-lg);
}
.mobile-draw::before{
  content:"";
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.48);
  opacity:0;
  visibility:hidden;
  transition:.3s ease;
  z-index:-1;
}
.mobile-draw.is-open{right:0;}
body.draw-open .mobile-draw::before{opacity:1;visibility:visible;}
.draw-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.draw-nav{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.draw-link{
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 12px;
  border-radius:12px;
  font-weight:500;
  color:var(--muted);
  transition:.2s;
}
.draw-link i{
  width:20px;
  color:var(--primary-light);
}
.draw-link:hover{
  background:rgba(255,255,255,.05);
  color:#fff;
}
.draw-link.is-active{
  background:rgba(124,92,252,.14);
  color:#fff;
}
.draw-footer{
  margin-top:auto;
}
.btn-block{width:100%;height:50px;}

/* search modal */
.command-modal{
  position:fixed;
  inset:0;
  z-index:150;
  background:rgba(8,6,14,.62);
  backdrop-filter:blur(6px);
  opacity:0;
  visibility:hidden;
  transition:.25s ease;
}
.command-modal.is-open{opacity:1;visibility:visible;}
.command-panel{
  width:min(660px, calc(100vw - 28px));
  margin:12vh auto 0;
  background:#1a1424;
  border:1px solid rgba(255,255,255,.1);
  border-radius:22px;
  box-shadow:0 30px 80px rgba(0,0,0,.55);
  overflow:hidden;
  transform:translateY(-14px) scale(.98);
  transition:.25s ease;
}
.command-modal.is-open .command-panel{transform:none;}
.command-input{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 16px;
  border-bottom:1px solid var(--line);
}
.command-input i{color:var(--primary-light);}
.command-input input{
  flex:1;
  background:none;
  border:none;
  color:#fff;
  font-size:1rem;
  height:44px;
  outline:none;
}
.command-input input::placeholder{color:#7b738c;}
.command-input kbd{
  font-size:.7rem;
  color:var(--faint);
  border:1px solid var(--line);
  padding:3px 8px;
  border-radius:6px;
}
.command-body{padding:20px;}
.command-group-title{
  font-size:.78rem;
  color:var(--faint);
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:12px;
}
.command-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:20px;
}
.command-tags a{
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.9rem;
  transition:all .2s;
}
.command-tags a:hover{
  color:#fff;
  border-color:var(--primary);
  background:rgba(124,92,252,.1);
}
.command-empty{
  text-align:center;
  padding:24px 0;
  color:var(--faint);
  border:1px dashed var(--line-strong);
  border-radius:16px;
}
.command-empty i{display:block;font-size:1.4rem;margin-bottom:8px;color:#5b4d79;}

/* hero */
.hero{
  position:relative;
  padding:110px 0 96px;
  overflow:hidden;
  background:#0e0c15;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  background-size:cover;
  background-position:center 25%;
  background-repeat:no-repeat;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(14,12,21,.96) 0%, rgba(14,12,21,.78) 43%, rgba(14,12,21,.2) 100%),
    linear-gradient(180deg, transparent 40%, rgba(14,12,21,.88) 100%);
}
.hero-glow{
  position:absolute;
  top:-180px;
  right:-80px;
  width:560px;
  height:560px;
  background:radial-gradient(circle, rgba(124,92,252,.32), transparent 65%);
  z-index:1;
}
.hero-inner{
  position:relative;
  z-index:3;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(124,92,252,.44);
  font-size:.84rem;
  color:var(--primary-light);
  margin-bottom:22px;
  box-shadow:0 0 18px rgba(124,92,252,.12);
}
.hero-tag::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px var(--accent);
}
.hero-title{
  font-size:clamp(2.4rem, 6vw, 4.3rem);
  line-height:1.14;
  color:#fff;
  font-weight:800;
  letter-spacing:-.03em;
  max-width:780px;
}
.hero-desc{
  font-size:1.08rem;
  color:var(--muted);
  line-height:1.85;
  margin-top:24px;
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:32px;
}
.hero-note{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:30px;
  color:var(--faint);
  font-size:.82rem;
}
.hero-note span{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.hero-note i{
  color:var(--accent);
  font-size:.68rem;
}
.hero-media{
  position:relative;
  z-index:2;
}
.hero-card{
  margin-left:auto;
  max-width:360px;
  position:relative;
  border-radius:28px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 32px 80px rgba(0,0,0,.55);
  transform:rotate(1deg);
  transition:transform .3s ease;
}
.hero-card:hover{transform:rotate(0deg) translateY(-4px);}
.hero-card img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
}
.hero-card-caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px;
  background:linear-gradient(180deg,transparent,rgba(12,10,18,.9));
  font-weight:600;
  font-size:.92rem;
  color:#fff;
}

/* stats */
.mini-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}
.stat-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  padding:9px 15px;
  border-radius:999px;
  font-size:.82rem;
  color:var(--muted);
  backdrop-filter:blur(8px);
}
.stat-chip b{
  color:#fff;
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.stat-chip .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px var(--accent);
}

/* reel */
.reel-block{padding:0;}
.reel-viewport{
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 22px;
  cursor:grab;
  scrollbar-width:thin;
}
.reel-track{
  display:flex;
  gap:18px;
  width:max-content;
  min-width:100%;
  padding-right:4px;
}
.reel-card{
  scroll-snap-align:start;
  width:210px;
  flex:0 0 210px;
}
@media(min-width:640px){
  .reel-card{width:220px;flex-basis:220px;}
}
.reel-cover{
  position:relative;
  aspect-ratio:3/4;
  border-radius:20px;
  overflow:hidden;
  background:#241c31;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  border:1px solid rgba(255,255,255,.07);
  display:block;
}
.reel-cover:hover{
  transform:translateY(-7px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(124,92,252,.55);
}
.reel-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.reel-cover:hover img{
  transform:scale(1.04);
}
.reel-scrim{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(12,8,18,.94) 100%);
}
.reel-score{
  position:absolute;
  top:12px;
  right:12px;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(0,0,0,.55);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12);
  font-size:.76rem;
  font-weight:700;
  color:var(--gold);
  letter-spacing:.03em;
}
.reel-type{
  position:absolute;
  top:12px;
  left:12px;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(124,92,252,.8);
  color:#fff;
  font-size:.72rem;
  font-weight:600;
}
.reel-title{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  color:#fff;
  font-size:1rem;
  font-weight:600;
  z-index:2;
  line-height:1.3;
}
.reel-sub{
  position:absolute;
  left:14px;
  right:14px;
  bottom:0;
  transform:translateY(24px);
  color:var(--muted);
  font-size:.78rem;
  opacity:0;
  transition:.25s ease;
  z-index:2;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.reel-cover:hover .reel-sub{
  opacity:1;
  transform:translateY(-20px);
}
.scroll-btns{
  display:flex;
  gap:10px;
}
.scroll-btns button,
.scroll-btn{
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  transition:all .2s;
}
.scroll-btns button:hover,
.scroll-btn:hover{
  background:rgba(124,92,252,.14);
  border-color:rgba(124,92,252,.65);
  transform:translateY(-2px);
}

/* ranking */
.ranking-grid .cell{
  margin-bottom:24px;
}
.rank-feature{
  position:relative;
  height:100%;
  min-height:480px;
  border-radius:28px;
  overflow:hidden;
  display:flex;
  align-items:flex-end;
  padding:26px;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.08);
  transition:transform .25s;
}
.rank-feature:hover{transform:translateY(-4px);}
.rank-feature .cover-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
}
.rank-feature::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.12), rgba(10,7,16,.94));
}
.rank-feature-content{
  position:relative;
  z-index:2;
}
.rank-feature .cat{
  color:var(--accent);
  font-size:.8rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.rank-feature h3{
  font-size:1.8rem;
  margin-top:8px;
  color:#fff;
}
.rank-feature .lead{
  color:var(--muted);
  font-size:.9rem;
  margin-top:12px;
  max-width:420px;
}
.rank-actions{
  display:flex;
  gap:12px;
  margin-top:22px;
  flex-wrap:wrap;
}
.rank-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:28px;
  padding:8px 22px;
  box-shadow:var(--shadow);
}
.rank-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 4px;
  border-bottom:1px solid var(--line);
}
.rank-item:last-child{border-bottom:none;}
.rank-num{
  font-size:1.75rem;
  font-weight:800;
  color:var(--faint);
  width:54px;
  text-align:center;
  flex-shrink:0;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.04em;
}
.rank-item.is-top .rank-num{
  color:var(--gold);
  text-shadow:0 0 16px rgba(245,185,79,.3);
}
.rank-info{
  flex:1;
  min-width:0;
}
.rank-info h4{
  font-size:.98rem;
  font-weight:600;
  color:#fff;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rank-info p{
  color:var(--muted);
  font-size:.78rem;
  margin-top:6px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rank-heat{
  width:68px;
  height:6px;
  background:rgba(255,255,255,.09);
  border-radius:999px;
  margin-top:10px;
  overflow:hidden;
}
.rank-heat span{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.rank-more{
  display:flex;
  gap:8px;
  margin-left:6px;
}
.rank-more i{
  font-size:.8rem;
  color:var(--faint);
  transition:.2s;
}
.rank-item:hover .rank-more i{color:var(--primary-light);transform:translateX(3px);}

/* dual topic */
.topic-card{
  border-radius:28px;
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:.25s;
}
.topic-card:hover{
  border-color:rgba(124,92,252,.4);
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
}
.topic-media{
  position:relative;
  height:240px;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.topic-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent,rgba(14,12,21,.92));
}
.topic-type{
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(124,92,252,.8);
  color:#fff;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.04em;
}
.topic-body{
  padding:26px 26px 30px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.topic-body h3{
  font-size:1.45rem;
  color:#fff;
  margin-bottom:12px;
}
.topic-body > p{
  color:var(--muted);
  font-size:.92rem;
  flex:1;
}
.topic-links{
  display:flex;
  flex-direction:column;
  margin-top:20px;
  gap:4px;
}
.topic-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 0;
  color:var(--muted);
  font-size:.9rem;
  border-bottom:1px dashed rgba(255,255,255,.06);
  transition:.2s;
}
.topic-link i{
  font-size:.68rem;
  color:var(--accent);
}
.topic-link:last-child{border-bottom:none;}
.topic-link:hover{
  color:#fff;
  padding-left:6px;
}
.topic-more{
  margin-top:18px;
}

/* CMS latest */
.cms-area{
  position:relative;
}
.cms-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:20px;
}
.cms-lead{
  position:relative;
  display:flex;
  flex-direction:column;
  min-height:420px;
  border-radius:28px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
  transition:all .25s;
}
.cms-lead:hover{
  border-color:rgba(124,92,252,.45);
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
}
.cms-lead-cover{
  height:220px;
  background-size:cover;
  background-position:center;
}
.cms-lead-content{
  padding:24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.cms-lead .cat{
  display:inline-block;
  width:fit-content;
  background:rgba(44,230,182,.14);
  color:var(--accent);
  font-size:.75rem;
  padding:4px 12px;
  border-radius:999px;
  font-weight:600;
}
.cms-lead h3{
  font-size:1.6rem;
  margin-top:14px;
  color:#fff;
}
.cms-lead p{
  color:var(--muted);
  font-size:.92rem;
  margin-top:12px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cms-lead time{
  margin-top:auto;
  padding-top:16px;
  color:var(--faint);
  font-size:.82rem;
}
.cms-list{
  background:var(--card);
  border-radius:28px;
  border:1px solid var(--line);
  padding:10px 24px;
  display:flex;
  flex-direction:column;
}
.cms-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  min-height:94px;
  transition:.2s;
}
.cms-item:last-child{border-bottom:none;}
.cms-item-main{
  flex:1;
  min-width:0;
}
.cms-item-main .cat{
  display:inline-block;
  background:rgba(124,92,252,.16);
  color:var(--primary-light);
  font-size:.7rem;
  padding:2px 10px;
  border-radius:999px;
  margin-bottom:6px;
  font-weight:600;
}
.cms-item-main h4{
  color:#fff;
  font-size:.95rem;
  font-weight:600;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.cms-item-main p{
  color:var(--muted);
  font-size:.78rem;
  margin-top:5px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.cms-item time{
  color:var(--faint);
  font-size:.75rem;
  flex-shrink:0;
}
.cms-item:hover{
  padding-left:10px;
}
.cms-item:hover h4{
  color:var(--primary-light);
}
.cms-empty{
  grid-column:1/-1;
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  color:var(--faint);
  border:1px dashed var(--line-strong);
  border-radius:28px;
  background:rgba(255,255,255,.01);
}
.cms-empty i{
  font-size:2rem;
  color:#4e4168;
  margin-bottom:12px;
}

/* faq */
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  margin-bottom:16px;
  border-radius:20px;
  background:var(--card);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .25s, box-shadow .25s;
}
.faq-item.is-active{
  border-color:rgba(124,92,252,.5);
  box-shadow:0 12px 30px rgba(0,0,0,.24);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  padding:22px 26px;
  background:none;
  border:none;
  color:var(--text);
  font-size:1.02rem;
  font-weight:600;
  text-align:left;
}
.faq-q i{
  transition:transform .25s ease;
  color:var(--primary-light);
  font-size:1.25rem;
  flex-shrink:0;
}
.faq-item.is-active .faq-q{
  color:#fff;
}
.faq-item.is-active .faq-q i{
  transform:rotate(45deg);
  color:var(--accent);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 26px 24px;
  color:var(--muted);
  line-height:1.85;
  font-size:.95rem;
}

/* CTA */
.cta-section{
  padding-bottom:110px;
}
.cta-banner{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#2a1138 0%,#3c1d5f 35%,#1e5f5a 80%,#1c1729 100%);
  border-radius:32px;
  padding:54px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.08);
}
.cta-banner::before{
  content:"";
  position:absolute;
  top:-80px;
  right:-50px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(44,230,182,.25), transparent 65%);
}
.cta-banner::after{
  content:"";
  position:absolute;
  bottom:-100px;
  left:15%;
  width:220px;
  height:220px;
  background:radial-gradient(circle, rgba(124,92,252,.3), transparent 65%);
}
.cta-content{
  position:relative;
  z-index:2;
  max-width:720px;
}
.cta-content h2{
  color:#fff;
  font-size:clamp(1.9rem,4vw,3rem);
  line-height:1.3;
  letter-spacing:-.02em;
}
.cta-content p{
  color:rgba(255,255,255,.75);
  margin-top:16px;
  font-size:1rem;
  line-height:1.8;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:10px;
  min-width:210px;
}

/* footer */
.site-footer{
  background:#0a0813;
  border-top:1px solid var(--line);
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-col .brand{
  margin-bottom:14px;
}
.footer-p{
  color:var(--muted);
  font-size:.9rem;
  max-width:360px;
}
.footer-heading{
  color:#fff;
  font-size:1rem;
  font-weight:600;
  margin:6px 0 16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  color:var(--muted);
  font-size:.9rem;
}
.footer-links a:hover{
  color:var(--accent);
  transform:translateX(3px);
}
.footer-bottom{
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--faint);
  font-size:.8rem;
}
.footer-secure{
  display:flex;
  gap:14px;
  font-size:.78rem;
}
.footer-secure span{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-secure i{
  color:var(--accent);
  font-size:.7rem;
}

/* responsive */
@media (max-width:1100px){
  .main-nav{display:none;}
  .burger{display:grid;}
  .search-trigger{min-width:0;}
  .search-trigger span{display:none;}
  .search-trigger kbd{display:none;}
  .search-trigger{width:44px;padding:0;justify-content:center;}
}
@media (max-width:1024px){
  .section{padding:70px 0;}
  .hero{padding:80px 0 70px;}
  .hero-card{display:none;}
  .hero-title{max-width:820px;}
  .cms-grid{grid-template-columns:1fr;}
  .cta-banner{padding:40px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .section-head{gap:14px;}
  .header-actions .btn-sm{display:none;}
  .hero{padding:60px 0 50px;}
  .hero-desc{font-size:.98rem;}
  .hero-actions .btn{flex:1 1 auto;}
  .topic-card{margin-bottom:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-banner{
    flex-direction:column;
    padding:32px 24px;
    align-items:flex-start;
  }
  .cta-actions{
    flex-direction:row;
    flex-wrap:wrap;
  }
}
@media (max-width:520px){
  .container{width:min(var(--container), 100% - 30px);}
  .section{padding:46px 0;}
  .brand-name{font-size:1.1rem;}
  .header-inner{gap:10px;}
  .hero-title{font-size:2.4rem;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .rank-feature{min-height:390px;}
  .rank-list{padding:8px 16px;}
  .rank-item{gap:8px;flex-wrap:wrap;}
  .rank-num{width:36px;font-size:1.4rem;}
  .cms-area .cms-list{padding:10px 18px;}
  .reel-card{width:168px;flex-basis:168px;}
  .reel-cover{border-radius:16px;}
  .cta-actions .btn{width:100%;}
  .footer-secure{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --bg:#0e0c15;
  --panel:#16121f;
  --card:#1c1729;
  --elev:#221a30;
  --text:#f7f5fa;
  --muted:#b2abc0;
  --faint:#7b738c;
  --primary:#7c5cfc;
  --primary-bright:#9e80ff;
  --mint:#2ce6b6;
  --gold:#f5b94f;
  --line:rgba(255,255,255,.08);
  --radius-lg:28px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lift:0 20px 40px rgba(0,0,0,.45);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  --transition:.25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
input,textarea,select{font-family:inherit}
ul,ol{list-style:none}
.container{width:min(1240px,92%);margin-left:auto;margin-right:auto}
.section{padding:96px 0}
@media(max-width:768px){.section{padding:64px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
@media(max-width:768px){.section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.12em;color:var(--mint);font-weight:600;text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--mint))}
.section-head h2,.section-title{font-size:clamp(28px,4vw,40px);line-height:1.3;letter-spacing:-.02em;font-weight:700}
.section-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);transition:var(--transition)}
.section-link i{transition:transform var(--transition)}
.section-link:hover{color:var(--mint)}
.section-link:hover i{transform:translateX(4px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;transition:all var(--transition);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--mint));color:#fff;box-shadow:0 8px 30px rgba(124,92,252,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(124,92,252,.45);filter:brightness(1.06)}
.btn-line{border:1px solid rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.04)}
.btn-line:hover{border-color:var(--primary-bright);background:rgba(124,92,252,.16);color:var(--primary-bright)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{display:flex;width:100%}

/* header */
.site-header{position:sticky;top:0;z-index:80;display:flex;align-items:center;height:72px;background:rgba(14,12,21,.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;width:min(1400px,94%)}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;line-height:1}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--mint));color:#fff;font-weight:800;font-size:16px;letter-spacing:.02em;box-shadow:0 6px 18px rgba(124,92,252,.36)}
.brand-name{font-size:21px;font-weight:700;letter-spacing:-.02em;color:#fff}
.brand-name span{color:var(--mint)}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav .nav-link{position:relative;font-size:15px;color:var(--muted);font-weight:500;padding:8px 0;transition:color var(--transition);line-height:1.2}
.main-nav .nav-link::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--mint));transition:width var(--transition)}
.main-nav .nav-link:hover{color:#fff}
.main-nav .nav-link.is-active,.main-nav .nav-link.is-active:hover{color:#fff}
.main-nav .nav-link.is-active::after{width:100%}
.main-nav .mobile-search-link{display:none}
.header-actions{display:flex;align-items:center;gap:12px}
.search-trigger{display:flex;align-items:center;gap:10px;height:38px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--faint);font-size:13px;width:230px;transition:var(--transition)}
.search-trigger:hover{border-color:rgba(124,92,252,.65);color:var(--muted);background:rgba(124,92,252,.1)}
.search-trigger i{color:var(--mint);font-size:13px}
.search-trigger span{flex:1;text-align:left;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.search-trigger kbd{font-size:11px;font-family:inherit;color:var(--muted);background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:6px;padding:2px 7px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.04);transition:var(--transition)}
.icon-btn:hover{color:var(--mint);border-color:rgba(44,230,182,.5)}
.burger{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;color:#fff;background:rgba(255,255,255,.07);border:1px solid var(--line);font-size:20px}
.mobile-search-field{display:none}
@media(max-width:1180px){
  .search-trigger{display:none}
  .main-nav{position:fixed;top:80px;right:20px;width:278px;background:#1b1526;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 28px 80px rgba(0,0,0,.55);flex-direction:column;align-items:flex-start;gap:6px;opacity:0;visibility:hidden;transform:translateY(-12px);transition:var(--transition)}
  .site-header.menu-open .main-nav{opacity:1;visibility:visible;transform:none}
  .main-nav a{width:100%;padding:12px 14px;border-radius:10px}
  .main-nav a:hover,.main-nav a.is-active{background:rgba(124,92,252,.18);color:#fff}
  .main-nav a.is-active::after{display:none}
  .main-nav .mobile-search-field{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;border-radius:10px;background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--muted);font-size:14px;margin-top:8px}
  .burger{display:inline-flex}
}
@media(max-width:640px){
  .icon-btn{display:none}
  .header-actions{gap:8px}
  .btn-sm{height:38px;padding:0 16px;font-size:13px}
}

/* command panel */
.cmd-backdrop{position:fixed;inset:0;z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:10vh 20px 20px;background:rgba(4,3,8,.74);backdrop-filter:blur(8px);opacity:0;visibility:hidden;transition:var(--transition)}
.cmd-backdrop.is-open{opacity:1;visibility:visible}
.cmd-panel{width:min(680px,100%);background:#211a30;border:1px solid rgba(255,255,255,.1);border-radius:24px;box-shadow:0 32px 90px rgba(0,0,0,.6);transform:translateY(14px) scale(.98);transition:var(--transition)}
.cmd-backdrop.is-open .cmd-panel{transform:none}
.cmd-input-row{display:flex;align-items:center;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line)}
.cmd-input-row i{color:var(--mint);font-size:17px}
.cmd-input-row input{flex:1;background:transparent;border:0;outline:0;color:#fff;font-size:16px}
.cmd-input-row kbd{font-size:11px;font-family:inherit;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.06);padding:3px 9px;border-radius:8px}
.cmd-body{padding:20px 22px;max-height:52vh;overflow:auto}
.cmd-label{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--faint);margin:16px 0 12px}
.cmd-label:first-child{margin-top:0}
.cmd-label::before{content:"";width:16px;height:2px;background:var(--primary);border-radius:2px}
.cmd-links{display:flex;flex-wrap:wrap;gap:10px}
.cmd-chip,.cmd-links a{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.04);padding:8px 15px;border-radius:999px;font-size:13px;color:#c7c1d2;transition:var(--transition)}
.cmd-chip:hover,.cmd-links a:hover{border-color:var(--primary);color:#fff;background:rgba(124,92,252,.2)}
.cmd-footer{padding:14px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end}
.cmd-footer a{font-size:13px;color:var(--mint)}
.cmd-footer a:hover{text-decoration:underline}

/* hero */
.hero{position:relative;overflow:hidden;padding:110px 0 90px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,12,21,.96) 0%,rgba(14,12,21,.84) 45%,rgba(14,12,21,.55) 100%)}
.hero-bg::before{content:"";position:absolute;top:-120px;left:-160px;width:520px;height:520px;background:radial-gradient(circle,rgba(124,92,252,.46),transparent 65%);z-index:1}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:680px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:7px 14px;font-size:13px;color:rgba(255,255,255,.92);box-shadow:0 4px 20px rgba(124,92,252,.18)}
.hero-badge i{color:var(--mint);font-size:9px;animation:pulse 2s infinite}
@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(44,230,182,.5)}
  50%{opacity:.6;box-shadow:0 0 0 6px rgba(44,230,182,0)}
}
.hero h1{font-size:clamp(2.6rem,6vw,4.5rem);font-weight:800;line-height:1.18;letter-spacing:-.03em;color:#fff;margin:26px 0 22px}
.hero h1 span{display:block}
.hero-sub{font-size:17px;color:#c3bccf;line-height:1.9;max-width:620px;margin:0 0 32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:999px;padding:7px 15px}
.hero-badges i{color:var(--mint)}
.hero-card{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;background:#1b1524;border:1px solid rgba(255,255,255,.1);box-shadow:0 30px 70px rgba(0,0,0,.42);animation:cardFloat 6s ease-in-out infinite}
@keyframes cardFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-card-info{position:absolute;left:16px;right:16px;bottom:16px;padding:18px;border-radius:20px;background:rgba(14,12,21,.72);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1)}
.hero-card-info h3{font-size:17px;font-weight:700;margin-bottom:6px}
.hero-card-info p{font-size:13px;color:var(--muted)}
@media(max-width:900px){
  .hero{padding:84px 0 70px}
  .hero .grid-x{display:flex;flex-direction:column}
  .hero-content{max-width:100%}
  .hero-card{max-width:400px;margin-top:40px}
}

/* trust band */
.trust-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#100d19}
.trust-grid{padding:40px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-icon{width:44px;height:44px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;background:rgba(124,92,252,.16);color:var(--primary-bright);font-size:18px}
.trust-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.trust-item p{font-size:13px;line-height:1.6;color:var(--faint)}
@media(max-width:1000px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.trust-grid{grid-template-columns:1fr}}

/* intro split */
.intro-section{position:relative}
.split-box{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
@media(max-width:1000px){.split-box{grid-template-columns:1fr;gap:36px}}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease}
.split-media:hover img{transform:scale(1.04)}
.split-media-tag{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;background:rgba(14,12,21,.76);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:7px 14px;font-size:12px;color:#d9d3e2}
.split-media-tag i{color:var(--mint)}
.split-body .eyebrow{margin-bottom:18px}
.split-body h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:18px;line-height:1.35;letter-spacing:-.02em}
.split-lead{color:var(--muted);margin-bottom:26px}
.split-list{display:grid;gap:14px;margin-bottom:30px}
.split-list li{display:flex;align-items:flex-start;gap:16px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);border-radius:16px;padding:14px 18px;transition:var(--transition)}
.split-list li:hover{background:rgba(124,92,252,.1);border-color:rgba(124,92,252,.36);transform:translateX(4px)}
.split-list i{color:var(--mint);margin-top:6px;font-size:14px}
.split-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px}
.split-list span{font-size:14px;color:var(--faint)}
.split-tools{display:flex;flex-wrap:wrap;gap:14px}

/* category cards */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.cat-grid{grid-template-columns:1fr}}
.cat-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px;overflow:hidden;transition:var(--transition)}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(124,92,252,.5);box-shadow:var(--shadow-lift)}
.cat-card::before{content:"";position:absolute;top:0;right:0;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,252,.3),transparent 68%);pointer-events:none}
.cat-num{display:inline-flex;font-size:14px;font-weight:800;color:var(--mint);margin-bottom:16px;letter-spacing:.04em}
.cat-icon{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:18px;font-size:23px;background:linear-gradient(135deg,rgba(124,92,252,.25),rgba(44,230,182,.2));color:#fff;margin-bottom:18px}
.cat-card h3{font-size:20px;margin-bottom:10px}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px}
.cat-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--faint)}
.cat-meta a{display:inline-flex;align-items:center;gap:7px;color:var(--primary-bright);font-weight:600}
.cat-meta a i{transition:transform var(--transition)}
.cat-meta a:hover i{transform:translateX(4px)}

/* content guide / filter grid */
.guide-section{background:#100d19}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:9px 18px;font-size:13px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);transition:var(--transition)}
.chip.is-active,.chip:hover{color:#fff;background:linear-gradient(135deg,var(--primary),rgba(124,92,252,.6));border-color:transparent;box-shadow:0 8px 22px rgba(124,92,252,.3)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.guide-grid{grid-template-columns:1fr}}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:rgba(124,92,252,.5)}
.guide-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#211a30}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.guide-card:hover .guide-media img{transform:scale(1.06)}
.guide-label{position:absolute;left:14px;top:14px;display:inline-flex;gap:6px;align-items:center;background:rgba(14,12,21,.72);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);padding:5px 11px;border-radius:999px;font-size:11px;color:#fff;letter-spacing:.05em}
.guide-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.guide-body h3{font-size:18px;font-weight:700;line-height:1.5}
.guide-body p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.guide-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--faint)}
.guide-foot a{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-weight:600;font-size:14px}
.guide-foot a i{transition:transform var(--transition)}
.guide-foot a:hover i{transform:translateX(4px)}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:18px;margin-bottom:16px;overflow:hidden;transition:border-color var(--transition)}
.faq-item.open{border-color:rgba(124,92,252,.5)}
.faq-q{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;gap:20px;padding:22px 26px;font-size:16px;color:#fff;font-weight:600;transition:background var(--transition)}
.faq-q:hover{background:rgba(124,92,252,.07)}
.faq-q i{flex-shrink:0;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--mint);transition:transform .25s ease;font-size:13px}
.faq-q i.fa-rotate{transform:rotate(45deg)}
.faq-a{max-height:0;opacity:0;transition:max-height .32s ease,opacity .25s ease,padding .25s ease;padding:0 26px;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{max-height:420px;opacity:1;padding:0 26px 26px}

/* CTA */
.cta-section{padding-bottom:110px}
.cta-card{position:relative;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;border-radius:30px;padding:56px 60px;border:1px solid rgba(255,255,255,.08);overflow:hidden;background:linear-gradient(125deg,rgba(124,92,252,.85),rgba(79,62,154,.74) 45%,rgba(44,230,182,.42));box-shadow:0 30px 90px rgba(0,0,0,.4)}
.cta-card::before{content:"";position:absolute;top:-110px;right:-40px;width:340px;height:340px;border-radius:50%;border:60px solid rgba(255,255,255,.14)}
.cta-card::after{content:"\f04b";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:16%;top:50%;transform:translateY(-50%);font-size:220px;opacity:.08;color:#fff;pointer-events:none}
.cta-text{position:relative;z-index:1}
.cta-text h2{font-size:clamp(28px,5vw,44px);line-height:1.3;letter-spacing:-.02em;margin-bottom:14px}
.cta-text p{color:rgba(255,255,255,.86);font-size:16px;max-width:600px}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}
.cta-actions .btn{background:#16121f;color:#fff;border:1px solid rgba(255,255,255,.2)}
.cta-actions .btn:hover{background:#1f1829;border-color:#fff;transform:translateY(-2px)}
.cta-actions .btn-line-cta{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);backdrop-filter:blur(8px)}
@media(max-width:860px){
  .cta-card{grid-template-columns:1fr;padding:38px 28px;text-align:left}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
}
@media(max-width:560px){
  .cta-actions .btn{width:100%}
}

/* footer */
.site-footer{background:#0b0912;border-top:1px solid rgba(255,255,255,.05);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:54px;padding-bottom:56px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:38px}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}
.footer-col .brand{margin-bottom:18px}
.footer-p{font-size:14px;color:var(--faint);line-height:1.9;max-width:340px;margin-top:16px}
.footer-heading{font-size:15px;font-weight:600;margin-bottom:20px;color:#fff;letter-spacing:.02em}
.footer-links{display:grid;gap:12px}
.footer-links a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--faint);transition:var(--transition)}
.footer-links a::before{content:"";width:0;height:1px;background:var(--mint);transition:width var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-links a:hover::before{width:12px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid rgba(255,255,255,.06);padding:24px 0 28px;font-size:13px;color:var(--faint)}
.footer-secure{display:flex;gap:18px;flex-wrap:wrap}
.footer-secure i{color:var(--mint);margin-right:5px}
.footer-secure span{display:inline-flex;align-items:center}

/* roulang page: article */
:root{
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bg:#0d0914;
  --bg-deep:#140e20;
  --bg-card:#1a1228;
  --bg-soft:#211634;
  --float:#271a3f;
  --stroke:rgba(255,255,255,.09);
  --stroke-strong:rgba(255,255,255,.16);
  --text-main:#f8f6fc;
  --text-body:#c6bed6;
  --text-dim:#8d80a3;
  --primary:#7c5cfc;
  --primary-light:#9e80ff;
  --accent:#2ce6b6;
  --gold:#f5b94f;
  --grad:linear-gradient(120deg,#7c5cfc 10%,#2ce6b6 100%);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 24px 60px rgba(0,0,0,.5);
  --r-lg:26px;
  --r-md:18px;
  --r-sm:14px;
  --container:1240px;
}

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

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{
  max-width:100%;
  border:0;
  vertical-align:middle;
}

a{
  color:inherit;
  text-decoration:none;
  transition:color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid rgba(124,92,252,.55);
  outline-offset:3px;
  border-radius:6px;
}

p{
  margin:0 0 1.2rem;
}

h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font);
  line-height:1.24;
  color:var(--text-main);
  font-weight:600;
  word-break:break-word;
}

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

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

@media screen and (max-width: 640px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
}

.site-header{
  position:sticky;
  top:0;
  z-index:120;
  height:72px;
  background:rgba(13,9,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke);
}

.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
  position:relative;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:#fff;
}

.brand-mark{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:linear-gradient(140deg,rgba(124,92,252,.28),rgba(44,230,182,.14));
  border:1px solid rgba(124,92,252,.45);
  color:#fff;
  font-weight:800;
  font-size:14px;
  letter-spacing:-.02em;
  box-shadow:0 0 22px rgba(124,92,252,.22);
}

.brand-name{
  font-size:21px;
  font-weight:700;
  letter-spacing:-.03em;
  white-space:nowrap;
}

.brand-name span{
  color:var(--primary-light);
}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}

.nav-link{
  display:inline-flex;
  align-items:center;
  position:relative;
  height:48px;
  padding:0 16px;
  color:#cfc6de;
  font-size:15px;
  font-weight:500;
  border-radius:999px;
  white-space:nowrap;
}

.nav-link:hover{
  color:#fff;
}

.nav-link.is-active{
  color:#fff;
}

.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:22px;
  right:22px;
  bottom:1px;
  height:3px;
  border-radius:99px;
  background:var(--grad);
  box-shadow:0 0 14px rgba(124,92,252,.75);
}

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

.search-trigger{
  height:44px;
  min-width:250px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:0 10px 0 16px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);
  color:#8d80a3;
  font-family:var(--font);
  font-size:13px;
  cursor:pointer;
  transition:all .25s;
}

.search-trigger i{
  color:var(--primary-light);
  font-size:15px;
}

.search-trigger span{
  flex:1;
  text-align:left;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:#9d93b0;
}

.search-trigger kbd{
  font-family:var(--font);
  font-size:11px;
  padding:4px 8px;
  border-radius:7px;
  color:#cfc6de;
  background:rgba(255,255,255,.08);
  border:1px solid var(--stroke);
}

.search-trigger:hover{
  border-color:rgba(124,92,252,.5);
  background:rgba(124,92,252,.1);
  box-shadow:0 0 24px rgba(124,92,252,.18);
}

.icon-btn{
  width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:#cfc6de;
  font-size:16px;
  cursor:pointer;
}

.icon-btn:hover{
  color:#fff;
  border-color:var(--primary);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font);
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:0 26px;
  height:48px;
  border-radius:999px;
  border:none;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:all .25s ease;
}

.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 30px rgba(124,92,252,.24);
}

.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(124,92,252,.42);
  color:#fff;
}

.btn-outline{
  background:rgba(255,255,255,.02);
  border:1px solid var(--stroke-strong);
  color:var(--text-main);
}

.btn-outline:hover{
  border-color:var(--primary-light);
  background:rgba(124,92,252,.12);
  color:#fff;
  transform:translateY(-2px);
}

.btn-ghost{
  background:transparent;
  color:#d8d0e6;
  border:1px solid transparent;
}

.btn-ghost:hover{
  color:#fff;
  background:rgba(255,255,255,.06);
}

.btn-sm{
  height:42px;
  padding:0 20px;
  font-size:14px;
}

.btn-lg{
  height:52px;
  padding:0 34px;
  font-size:16px;
}

.burger{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:#fff;
  font-size:17px;
  cursor:pointer;
}

.burger i{
  pointer-events:none;
}

@media screen and (max-width:1180px){
  .search-trigger{
    min-width:0;
    width:44px;
    padding:0;
    justify-content:center;
    border-radius:50%;
  }
  .search-trigger span,.search-trigger kbd{
    display:none;
  }
}

@media screen and (max-width:1024px){
  .main-nav{
    position:fixed;
    top:72px;
    left:16px;
    right:16px;
    z-index:110;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:18px;
    background:#150f22;
    border:1px solid var(--stroke);
    border-radius:22px;
    box-shadow:0 30px 60px rgba(0,0,0,.5);
  }
  .main-nav.is-open{
    display:flex;
  }
  .nav-link{
    height:48px;
    padding:0 18px;
    border-radius:14px;
  }
  .nav-link.is-active::after{
    left:18px;
    right:auto;
    width:26px;
  }
  .burger{
    display:inline-flex;
  }
}

.page-paper{
  position:relative;
  padding-top:34px;
}

.paper-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  overflow:hidden;
  pointer-events:none;
}

.paper-bg .bg-img{
  position:absolute;
  top:-20%;
  right:-10%;
  width:60%;
  height:100%;
  object-fit:cover;
  opacity:.16;
}

.paper-bg .radial{
  position:absolute;
  top:-120px;
  left:-80px;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,252,.22),transparent 70%);
  filter:blur(10px);
}

.breadcrumb{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-dim);
  margin-bottom:26px;
}

.breadcrumb i{
  font-size:11px;
  color:#5f5578;
}

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

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

.breadcrumb .current{
  color:#d5cce6;
  max-width:300px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  display:inline-block;
  vertical-align:bottom;
}

.article-intro{
  position:relative;
  margin-bottom:28px;
}

.article-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--accent);
  margin-bottom:16px;
}

.article-eyebrow::before{
  content:"";
  width:20px;
  height:2px;
  border-radius:20px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(44,230,182,.7);
}

.article-h1{
  max-width:940px;
  font-size:clamp(2.1rem,4.4vw,3.6rem);
  line-height:1.2;
  letter-spacing:-.03em;
  font-weight:700;
  color:#fff;
}

.article-desc{
  margin-top:20px;
  max-width:880px;
  color:#9d92b2;
  font-size:16px;
  line-height:1.8;
}

.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:30px;
  padding:16px 20px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  max-width:900px;
  align-items:center;
}

.meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#b5aac6;
  font-size:14px;
}

.meta-item i{
  color:var(--primary-light);
  font-size:13px;
}

.meta-item strong{
  color:#e4dcf2;
  font-weight:600;
}

.meta-item .cat-dot{
  color:var(--accent);
  font-weight:600;
}

@media screen and (max-width:640px){
  .breadcrumb .current{
    max-width:180px;
  }
  .article-h1{
    font-size:2rem;
  }
  .article-meta{
    padding:14px;
  }
}

.article-main-section{
  padding:34px 0 66px;
  position:relative;
}

.article-grid{
  display:flex;
  gap:30px;
  align-items:flex-start;
}

.article-main-col{
  flex:1 1 auto;
  min-width:0;
  max-width:830px;
}

.article-card{
  background:linear-gradient(145deg,rgba(255,255,255,.03),transparent 50%),var(--bg-card);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.article-title-top{
  padding:34px 40px 0;
}

.article-labels{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  margin-bottom:18px;
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  height:28px;
  padding:0 12px;
  background:rgba(124,92,252,.15);
  border:1px solid rgba(124,92,252,.3);
  color:#c7b5ff;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  white-space:nowrap;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 14px;
  background:rgba(44,230,182,.1);
  border:1px solid rgba(44,230,182,.28);
  color:#7af0d1;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
}

.article-h2{
  font-size:22px;
  color:#fff;
  font-weight:700;
  margin-bottom:6px;
}

.article-time{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  font-size:13px;
  color:var(--text-dim);
  border-bottom:1px solid var(--stroke);
  padding-bottom:18px;
}

.article-time span{
  display:inline-flex;
  align-items:center;
  gap:6px;
}

.article-time i{
  color:#6c608a;
}

.article-content{
  padding:10px 40px 0;
}

.article-body{
  position:relative;
  padding:18px 0 28px;
  color:#c8c0d5;
  font-size:16.5px;
  line-height:1.95;
  word-break:break-word;
}

.article-body > *:first-child{
  margin-top:0;
}

.article-body p{
  margin:0 0 1.35em;
}

.article-body h2,
.article-body h3,
.article-body h4{
  position:relative;
  margin-top:2.2em;
  margin-bottom:.9em;
  color:#fff;
  line-height:1.4;
  padding-left:18px;
}

.article-body h2{
  font-size:26px;
  font-weight:700;
}

.article-body h3{
  font-size:21px;
  font-weight:650;
}

.article-body h4{
  font-size:18px;
  font-weight:650;
}

.article-body h2:before,
.article-body h3:before,
.article-body h4:before{
  content:"";
  position:absolute;
  left:0;
  top:.45em;
  bottom:.45em;
  width:4px;
  border-radius:6px;
  background:var(--grad);
  opacity:.95;
}

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

.article-body li{
  margin-bottom:.7em;
  padding-left:.35em;
}

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

.article-body ul li{
  position:relative;
}

.article-body ul li:before{
  content:"";
  position:absolute;
  left:-.95em;
  top:.66em;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--accent);
}

.article-body ol{
  list-style:decimal;
}

.article-body ol li::marker{
  color:var(--accent);
  font-weight:600;
}

.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px 18px 24px;
  background:rgba(124,92,252,.08);
  border:1px solid rgba(124,92,252,.13);
  border-left:4px solid var(--primary);
  border-radius:var(--r-sm);
  color:#b9aed0;
  font-style:normal;
}

.article-body blockquote p{
  margin:0 0 .6em;
}

.article-body blockquote p:last-child{
  margin:0;
}

.article-body img{
  display:block;
  height:auto;
  width:auto;
  max-width:100%;
  border-radius:20px;
  margin:26px auto;
  box-shadow:0 18px 42px rgba(0,0,0,.34);
  object-fit:contain;
  background:linear-gradient(135deg,rgba(124,92,252,.24),rgba(44,230,182,.16));
}

.article-body a{
  color:var(--primary-light);
  border-bottom:1px solid rgba(124,92,252,.4);
}

.article-body a:hover{
  color:#fff;
  border-color:#fff;
}

.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:1.8em 0;
  font-size:15px;
  border:1px solid var(--stroke);
  border-radius:14px;
  overflow:hidden;
}

.article-body table th{
  background:rgba(124,92,252,.1);
  color:#eee7ff;
  font-weight:600;
  padding:12px 16px;
  text-align:left;
}

.article-body table td{
  padding:12px 16px;
  border-top:1px solid var(--stroke);
  color:#c0b6d2;
}

.article-body hr{
  margin:2em 0;
  border:none;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
}

.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  background:rgba(44,230,182,.08);
  border:1px solid rgba(44,230,182,.15);
  color:#7ceac5;
  border-radius:6px;
  padding:1px 7px;
  font-size:.9em;
}

.article-tag-box{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:26px;
  padding-top:24px;
  border-top:1px solid var(--stroke);
}

.article-tag-box .label{
  font-size:13px;
  color:var(--text-dim);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

.article-tag-box .label i{
  color:var(--primary-light);
}

.article-extras{
  padding:34px 40px 38px;
}

.prevnext-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:26px;
  border-top:1px solid var(--stroke);
  padding-top:26px;
}

.pn-card{
  display:block;
  padding:16px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  transition:all .25s;
  min-width:0;
}

.pn-card small{
  display:flex;
  align-items:center;
  gap:7px;
  color:var(--text-dim);
  margin-bottom:6px;
  font-size:12px;
}

.pn-card strong{
  display:block;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:#e7dff5;
  font-weight:600;
  font-size:15px;
}

.pn-card:hover{
  background:rgba(124,92,252,.1);
  border-color:rgba(124,92,252,.45);
  transform:translateY(-2px);
}

.pn-card.pn-next strong{
  text-align:right;
}

.pn-card.pn-next small{
  justify-content:flex-end;
}

.pn-card.pn-next i{
  transform:rotate(180deg);
}

@media screen and (max-width:640px){
  .article-title-top,
  .article-content{
    padding-left:20px;
    padding-right:20px;
  }
  .article-extras{
    padding:24px 20px 26px;
  }
  .prevnext-list{
    grid-template-columns:1fr;
  }
}

.article-side-col{
  flex:0 0 350px;
  max-width:350px;
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:22px;
}

.side-card{
  background:linear-gradient(150deg,rgba(255,255,255,.03),transparent 60%),#191126;
  border:1px solid var(--stroke);
  border-radius:22px;
  padding:24px;
}

.side-card .side-title{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}

.side-card .side-title i{
  color:var(--primary-light);
  font-size:15px;
}

.side-card .side-title::after{
  content:"";
  height:2px;
  flex:1;
  background:linear-gradient(90deg,rgba(124,92,252,.4),transparent);
  border-radius:3px;
  margin-left:5px;
}

.route-list{
  display:flex;
  flex-direction:column;
  gap:4px;
}

.route-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 10px;
  border-radius:15px;
  color:#bfb3d2;
  font-size:14px;
  transition:all .2s;
  border:1px solid transparent;
}

.route-item:hover{
  background:rgba(124,92,252,.08);
  border-color:var(--stroke);
  color:#fff;
}

.route-node{
  width:36px;
  height:36px;
  flex:0 0 36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);
  color:var(--primary-light);
  font-size:13px;
}

.route-item:hover .route-node{
  background:rgba(124,92,252,.2);
  border-color:var(--primary-light);
}

.route-item .route-copy{
  min-width:0;
  flex:1;
}

.route-item b{
  display:block;
  color:#e7dff5;
  font-weight:600;
  font-size:14px;
}

.route-item small{
  color:var(--text-dim);
  font-size:12px;
  display:block;
  margin-top:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.route-item .fa-arrow-right{
  font-size:12px;
  color:#65597e;
  transition:transform .2s,color .2s;
}

.route-item:hover .fa-arrow-right{
  color:var(--primary-light);
  transform:translateX(3px);
}

.side-nav-card{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.side-feature{
  display:flex;
  align-items:center;
  gap:13px;
  padding:14px;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  transition:all .2s;
}

.side-feature:hover{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.18);
  transform:translateY(-2px);
}

.side-feature-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:#fff;
  background:linear-gradient(135deg,rgba(124,92,252,.7),rgba(124,92,252,.25));
  box-shadow:0 8px 20px rgba(124,92,252,.16);
}

.side-feature:nth-child(2) .side-feature-icon{
  background:linear-gradient(135deg,rgba(44,230,182,.65),rgba(44,230,182,.16));
}

.side-feature .copy{
  min-width:0;
}

.side-feature .copy b{
  display:block;
  color:#ecE5f5;
  font-size:14px;
  font-weight:650;
}

.side-feature .copy span{
  display:block;
  color:var(--text-dim);
  font-size:12px;
  margin-top:1px;
  overflow:hidden;
  text-overflow:ellipsis;
}

.side-cta{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.side-cta::after{
  content:"";
  position:absolute;
  width:200px;
  height:200px;
  right:-70px;
  bottom:-70px;
  border-radius:50%;
  border:26px solid rgba(124,92,252,.08);
  pointer-events:none;
}

.side-cta h4{
  color:#fff;
  font-size:19px;
}

.side-cta p{
  font-size:13px;
  color:#ac9fc0;
  margin-bottom:8px;
}

.side-cta .btn{
  position:relative;
  z-index:2;
}

@media screen and (max-width:1024px){
  .article-grid{
    flex-direction:column;
  }
  .article-main-col{
    max-width:100%;
    flex:auto;
    width:100%;
  }
  .article-side-col{
    flex:1 1 auto;
    max-width:100%;
    width:100%;
    position:static;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
  }
}

@media screen and (max-width:680px){
  .article-side-col{
    grid-template-columns:1fr;
  }
}

.empty-section{
  padding:6rem 0;
}

.empty-box{
  max-width:560px;
  margin:0 auto;
  text-align:center;
  background:#181125;
  border:1px dashed rgba(255,255,255,.18);
  border-radius:30px;
  padding:56px 30px;
  box-shadow:var(--shadow);
}

.empty-box i{
  font-size:42px;
  color:var(--primary-light);
  margin-bottom:18px;
}

.empty-box h2{
  font-size:28px;
  color:#fff;
  margin-bottom:12px;
}

.empty-box p{
  color:var(--text-dim);
  margin-bottom:26px;
}

.explore-section{
  padding:68px 0 58px;
  position:relative;
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:30px;
}

.section-head .head-left{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.07em;
  color:var(--primary-light);
  text-transform:uppercase;
}

.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--primary-light);
  border-radius:9px;
}

.section-title{
  font-size:clamp(1.6rem,3vw,2.5rem);
  font-weight:700;
  letter-spacing:-.025em;
  color:#fff;
  line-height:1.2;
}

.section-sub{
  color:var(--text-dim);
  margin-top:5px;
  font-size:15px;
}

.more-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#c0b5d6;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
}

.more-link i{
  transition:transform .25s;
}

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

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

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

.explore-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#171024;
  border:1px solid var(--stroke);
  border-radius:22px;
  overflow:hidden;
  transition:all .3s;
}

.explore-card:hover{
  border-color:rgba(124,92,252,.45);
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}

.explore-cover{
  position:relative;
  height:178px;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(124,92,252,.3),rgba(44,230,182,.15));
}

.explore-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}

.explore-card:hover .explore-cover img{
  transform:scale(1.05);
}

.explore-cover .cover-shadow{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,9,20,0) 30%,rgba(13,9,20,.86) 100%);
}

.explore-cover .pivot-cat{
  position:absolute;
  top:14px;
  left:16px;
  z-index:2;
  display:inline-flex;
  height:26px;
  align-items:center;
  padding:0 12px;
  background:rgba(13,9,20,.72);
  backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.15);
  color:#f2e9ff;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
}

.explore-bottom{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
  gap:8px;
}

.explore-bottom h3{
  font-size:17px;
  color:#fff;
  font-weight:700;
  letter-spacing:-.01em;
}

.explore-bottom p{
  color:#8c7fa4;
  font-size:14px;
  line-height:1.7;
  margin-bottom:14px;
  flex:1;
}

.explore-bottom .go{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  font-weight:600;
  color:#b6a3e8;
}

.explore-bottom .go i{
  transition:transform .2s;
}

.explore-card:hover .go i{
  transform:translateX(4px);
}

@media screen and (max-width:900px){
  .explore-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media screen and (max-width:600px){
  .explore-grid{
    grid-template-columns:1fr;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
}

.cta-section{
  padding:26px 0 90px;
}

.cta-panel{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  border-radius:30px;
  padding:52px 56px;
  background:linear-gradient(120deg,rgba(124,92,252,.94),rgba(156,91,246,.82) 38%,rgba(44,230,182,.76));
  box-shadow:0 26px 60px rgba(55,35,120,.4);
  border:1px solid rgba(255,255,255,.12);
}

.cta-panel::before{
  content:"";
  position:absolute;
  top:-140px;
  right:-80px;
  width:420px;
  height:420px;
  border-radius:50%;
  border:42px solid rgba(255,255,255,.08);
}

.cta-panel::after{
  content:"";
  position:absolute;
  bottom:-100px;
  left:18%;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.13),transparent 65%);
}

.cta-copy{
  position:relative;
  z-index:2;
  max-width:580px;
}

.cta-copy .eyebrow{
  color:rgba(255,255,255,.75);
}

.cta-copy .eyebrow::before{
  background:#fff;
}

.cta-copy h2{
  color:#fff;
  font-size:clamp(1.7rem,3vw,2.6rem);
  font-weight:700;
  line-height:1.25;
  margin:10px 0 16px;
  letter-spacing:-.025em;
}

.cta-copy p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  line-height:1.7;
  margin:0;
}

.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
  flex-shrink:0;
}

.cta-actions .btn-primary{
  background:#fff;
  color:#542db2;
  box-shadow:0 10px 28px rgba(0,0,0,.18);
}

.cta-actions .btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 15px 34px rgba(0,0,0,.22);
  color:#542db2;
}

.cta-actions .btn-outline{
  border-color:rgba(255,255,255,.55);
  color:#fff;
  background:transparent;
}

.cta-actions .btn-outline:hover{
  background:rgba(255,255,255,.16);
  border-color:#fff;
  color:#fff;
}

@media screen and (max-width:960px){
  .cta-panel{
    flex-direction:column;
    text-align:center;
  }
  .cta-copy{
    max-width:100%;
    display:flex;
    flex-direction:column;
    align-items:center;
  }
  .cta-actions{
    align-items:center;
  }
}

@media screen and (max-width:600px){
  .cta-panel{
    padding:36px 24px;
  }
}

.site-footer{
  background:#0a0710;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:58px;
  padding-bottom:28px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:44px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.07);
}

.footer-col{
  min-width:0;
}

.footer-col .brand{
  margin-bottom:16px;
}

.footer-p{
  color:#7f7393;
  font-size:14px;
  line-height:1.8;
  max-width:460px;
  margin-bottom:18px;
}

.footer-heading{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin:8px 0 18px;
  position:relative;
  padding-left:14px;
}

.footer-heading::before{
  content:"";
  position:absolute;
  left:0;
  top:.35em;
  bottom:.35em;
  width:3px;
  border-radius:4px;
  background:var(--grad);
}

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

.footer-links a{
  color:#8d809f;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:fit-content;
}

.footer-links a::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:#4c3d64;
  transition:background .25s;
}

.footer-links a:hover{
  color:#e5d9ff;
}

.footer-links a:hover::before{
  background:var(--primary-light);
  box-shadow:0 0 8px rgba(124,92,252,.8);
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:28px;
  font-size:13px;
  color:#65597a;
}

.footer-bottom .footer-secure{
  display:inline-flex;
  gap:18px;
  flex-wrap:wrap;
}

.footer-bottom .footer-secure span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#6f6389;
  font-size:12px;
}

.footer-bottom .footer-secure i{
  color:#8573af;
}

@media screen and (max-width:860px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .footer-col:first-child{
    grid-column:1 / -1;
  }
}

@media screen and (max-width:560px){
  .footer-grid{
    grid-template-columns:1fr;
    gap:34px;
  }
  .footer-col:first-child{
    grid-column:auto;
  }
  .footer-bottom{
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
  }
}

.command-layer{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:flex-start;
  justify-content:center;
  padding-top:12vh;
}

.command-layer.is-open{
  display:flex;
}

.command-backdrop{
  position:absolute;
  inset:0;
  background:rgba(5,3,10,.75);
  backdrop-filter:blur(6px);
}

.command-panel{
  position:relative;
  width:560px;
  max-width:calc(100vw - 32px);
  background:#201632;
  border:1px solid var(--stroke-strong);
  border-radius:24px;
  box-shadow:0 40px 100px rgba(0,0,0,.55);
  overflow:hidden;
  animation:commandIn .25s ease both;
}

@keyframes commandIn{
  from{opacity:0;transform:translateY(-12px) scale(.98)}
  to{opacity:1;transform:none}
}

.command-search{
  display:flex;
  align-items:center;
  gap:12px;
  height:66px;
  padding:0 20px;
  border-bottom:1px solid var(--stroke);
}

.command-search i{
  color:var(--primary-light);
  font-size:17px;
}

.command-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:none;
  outline:none;
  color:#fff;
  font-family:var(--font);
  font-size:16px;
  font-weight:500;
}

.command-search input::placeholder{
  color:#8d80a3;
}

.command-search kbd{
  font-family:var(--font);
  font-size:11px;
  color:#cfc6de;
  background:rgba(255,255,255,.08);
  border:1px solid var(--stroke);
  padding:5px 8px;
  border-radius:7px;
}

.command-group{
  padding:18px 20px;
}

.command-label{
  display:flex;
  align-items:center;
  gap:8px;
  color:#6f6389;
  font-size:12px;
  font-weight:650;
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:12px;
}

.command-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.command-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  color:#cdc0df;
  font-size:14px;
  font-weight:500;
}

.command-tag:hover{
  border-color:var(--primary);
  background:rgba(124,92,252,.14);
  color:#fff;
}

.command-tag i{
  color:var(--primary-light);
  font-size:13px;
}

.command-footer{
  padding:14px 20px;
  border-top:1px solid var(--stroke);
  display:flex;
  align-items:center;
  justify-content:flex-end;
}

.command-footer a{
  color:var(--primary-light);
  font-size:14px;
}

.command-footer a:hover{
  color:#fff;
}

/* roulang page: category2 */
/* ===== Design Tokens ===== */
:root {
  --bg-dark: #0e0c15;
  --bg-panel: #16121f;
  --bg-card: #1c1729;
  --bg-float: #221a30;
  --text-main: #f7f5fa;
  --text-sub: #b2abc0;
  --text-dim: #7b738c;
  --brand-violet: #7c5cfc;
  --brand-violet-light: #9e80ff;
  --accent-green: #2ce6b6;
  --accent-gold: #f5b94f;
  --border-subtle: rgba(255, 255, 255, .08);
  --border-hover: rgba(255, 255, 255, .16);
  --grad-brand: linear-gradient(135deg, #7c5cfc, #2ce6b6);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, .28);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, .45);
  --space-section: 96px;
  --max-width: 1240px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ===== Foundation Overrides ===== */
body, html {
  background: var(--bg-dark);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}
a:hover {
  color: var(--brand-violet-light);
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
}
ul, ol, p, h1, h2, h3, h4, h5, figure {
  margin: 0;
  padding: 0;
}
h1, h2, h3 {
  color: var(--text-main);
  letter-spacing: -.02em;
}
:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
}
body.is-locked {
  overflow: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.row .column {
  padding-left: .625rem;
  padding-right: .625rem;
}

/* ===== Site Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  background: rgba(14,12,21,.78);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(14,12,21,.88);
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 12px;
  background-size: 120% 120%;
  box-shadow: 0 0 24px rgba(124,92,252,.28), inset 0 0 0 1px rgba(255,255,255,.12);
  letter-spacing: -0.02em;
}
.brand-name {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
  letter-spacing: -0.01em;
}
.brand-name span {
  color: var(--accent-green);
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-size: 15px;
  color: var(--text-sub);
  padding: 10px 14px;
  border-radius: 10px;
  position: relative;
  letter-spacing: .01em;
  transition: color .25s ease, background .25s ease;
}
.nav-link:hover {
  color: var(--text-main);
  background: rgba(255,255,255,.04);
}
.nav-link.is-active {
  color: var(--text-main);
  font-weight: 600;
}
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent-green);
  box-shadow: 0 0 12px rgba(44,230,182,.45);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  height: 42px;
  padding: 0 12px 0 16px;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  min-width: 214px;
  transition: border-color .25s ease, background .25s ease;
}
.search-trigger:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,.08);
}
.search-trigger span {
  flex: 1;
  text-align: left;
  white-space: nowrap;
}
.search-trigger kbd {
  background: rgba(255,255,255,.1);
  color: var(--text-sub);
  font-family: inherit;
  font-size: 12px;
  border-radius: 5px;
  padding: 2px 7px;
  border: 1px solid rgba(255,255,255,.08);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  font-size: 17px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.icon-btn:hover {
  color: var(--text-main);
  border-color: rgba(255,255,255,.16);
  background: rgba(255,255,255,.09);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .3s ease;
}
.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  height: 44px;
  padding: 0 22px;
  background-size: 160% 160%;
  background-position: 0 0;
  box-shadow: 0 4px 18px rgba(44,230,182,.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 10px 26px rgba(124,92,252,.35);
}
.btn-primary.btn-sm {
  height: 42px;
}
.btn-ghost {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,.18);
  height: 48px;
  padding: 0 24px;
  transition: all .25s ease;
}
.btn-ghost:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(44,230,182,.05);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,.22);
  height: 44px;
  padding: 0 20px;
  font-size: 14px;
}
.btn-outline:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(44,230,182,.06);
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 18px;
  cursor: pointer;
}

/* ===== Mobile Nav Drawer ===== */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
}
.mobile-drawer.is-open {
  display: block;
}
.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6,5,10,.72);
  backdrop-filter: blur(8px);
  animation: fadeIn .25s;
}
.drawer-content {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 84%;
  max-width: 380px;
  background: var(--bg-float);
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 50px rgba(0,0,0,.4);
  animation: slideInRight .3s ease;
}
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.drawer-nav a {
  display: block;
  padding: 14px 12px;
  border-radius: 14px;
  color: var(--text-main);
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.drawer-nav a:hover {
  background: rgba(255,255,255,.05);
  color: var(--accent-green);
}
.drawer-nav a.is-active {
  color: var(--accent-green);
}
.drawer-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ===== Hero Section ===== */
.category-hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center 30%;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(124,92,252,.45), transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(44,230,182,.18), transparent 50%),
              linear-gradient(90deg, rgba(14,12,21,.92) 5%, rgba(14,12,21,.72) 55%, rgba(14,12,21,.4) 100%);
}
.category-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to top, var(--bg-dark), transparent);
}
.category-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin-left: 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,92,252,.12);
  border: 1px solid rgba(124,92,252,.3);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--accent-green);
  margin-bottom: 24px;
  letter-spacing: .04em;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 14px rgba(44,230,182,.8);
}
.page-h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 700;
}
.category-hero-desc {
  font-size: 17px;
  color: var(--text-sub);
  line-height: 1.9;
  max-width: 680px;
  margin-bottom: 32px;
}
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-data-row {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.data-pill {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.data-pill i {
  color: var(--accent-green);
  width: 17px;
  text-align: center;
}

/* ===== Section Common ===== */
.section-block {
  padding: 70px 0;
}
.section-header {
  margin-bottom: 36px;
}
.section-kicker {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--accent-green);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent-green);
}
.section-title {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.25;
  color: var(--text-main);
}
.section-sub-desc {
  color: var(--text-sub);
  margin-top: 8px;
  max-width: 600px;
}

/* ===== Hot Gift Cards ===== */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.gift-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position: relative;
}
.gift-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,92,252,.35);
  box-shadow: var(--shadow-hover);
}
.gift-media {
  position: relative;
  aspect-ratio: 1/1.2;
  overflow: hidden;
  background: linear-gradient(145deg, #2c2240, #1a1428);
}
.gift-media img {
  width: 100%;
  height: 100%;
  object-position: center;
  transition: transform .5s ease;
}
.gift-card:hover .gift-media img {
  transform: scale(1.04);
}
.gift-media::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(22,18,31,.86));
}
.gift-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  background: rgba(14,12,21,.62);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  font-size: 12px;
  color: var(--accent-green);
  padding: 3px 12px;
}
.gift-rating {
  position: absolute;
  right: 14px;
  bottom: 10px;
  z-index: 3;
  color: var(--accent-gold);
  font-weight: 700;
  font-size: 17px;
  line-height: 1;
  letter-spacing: -.02em;
}
.gift-body {
  padding: 20px;
}
.gift-body h3 {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gift-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 46px;
}
.btn-view {
  margin-top: 16px;
  font-size: 13px;
  color: var(--brand-violet-light);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  transition: gap .2s ease;
}
.btn-view i {
  font-size: 12px;
}
.gift-card:hover .btn-view {
  gap: 8px;
}

/* ===== Feature Alternative Cards ===== */
.steps-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.step-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  transition: border-color .3s ease, transform .25s ease;
}
.step-card:hover {
  border-color: rgba(44,230,182,.2);
  transform: translateY(-3px);
}
.step-num {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(124,92,252,.1);
  border: 1px solid rgba(124,92,252,.2);
  font-size: 21px;
  font-weight: 700;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.step-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== Large Feature Block ===== */
.feature-large {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
}
.feature-visual {
  position: relative;
  min-height: 360px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.feature-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 82%, var(--bg-panel));
}
.feature-content {
  padding: 36px 42px;
}
.feature-content h3 {
  font-size: 24px;
  line-height: 1.35;
  margin-bottom: 16px;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}
.feature-list li {
  display: flex;
  gap: 14px;
  padding: 9px 0;
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.feature-list li:last-child {
  border-bottom: none;
}
.feature-list .tick {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--accent-green);
  width: 22px;
  height: 22px;
  background: rgba(44,230,182,.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
}

/* ===== Timeline Style ===== */
.timeline-wrap {
  position: relative;
}
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 100px 1fr 130px;
  gap: 24px;
  align-items: start;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  margin-bottom: 34px;
}
.timeline-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.timeline-marker {
  position: relative;
}
.timeline-time {
  font-size: 14px;
  color: var(--text-dim);
  background: rgba(124,92,252,.08);
  border: 1px solid rgba(124,92,252,.2);
  border-radius: 10px;
  padding: 6px 10px;
  text-align: center;
  font-weight: 600;
}
.timeline-main h3 {
  font-size: 19px;
  margin-bottom: 6px;
}
.timeline-main p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
}
.timeline-main .tag-row {
  margin-top: 10px;
}
.tag-label {
  display: inline-block;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-size: 12px;
  padding: 4px 14px;
  color: var(--text-sub);
}
.tag-label.is-hot {
  border-color: rgba(245,185,79,.3);
  color: var(--accent-gold);
  background: rgba(245,185,79,.06);
}
.tag-label.is-green {
  border-color: rgba(44,230,182,.3);
  color: var(--accent-green);
  background: rgba(44,230,182,.06);
}
.tag-label.is-violet {
  border-color: rgba(124,92,252,.3);
  color: #b8a5ff;
  background: rgba(124,92,252,.08);
}

.timeline-cta {
  text-align: right;
}

/* ===== CTA Banner ===== */
.cta-panel {
  background: linear-gradient(120deg, #5a36d0, #288f7b);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  padding: 58px 56px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: 0 24px 48px rgba(0,0,0,.3);
}
.cta-panel::before {
  content: "\f04b";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 280px;
  position: absolute;
  right: -40px;
  top: -80px;
  opacity: .1;
  color: #fff;
  transform: rotate(8deg);
}
.cta-panel::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  top: 50%;
  right: 10%;
  transform: translateY(-50%);
}
.cta-text {
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 260px;
}
.cta-panel .cta-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  color: #fff;
  line-height: 1.3;
  margin-bottom: 12px;
}
.cta-panel .cta-desc {
  color: rgba(255,255,255,.9);
  font-size: 16px;
  max-width: 520px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.cta-actions .btn-ghost {
  border-color: rgba(255,255,255,.5);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s ease;
}
.accordion-item.active {
  border-color: rgba(124,92,252,.45);
}
.accordion-title {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color .2s;
}
.accordion-title:hover {
  color: var(--text-main);
  background: rgba(255,255,255,.02);
}
.accordion-icon {
  color: var(--accent-green);
  font-size: 20px;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform .3s;
  display: flex;
  align-items: center;
}
.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}
.accordion-body {
  display: none;
  padding: 0 24px 20px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}
.accordion-item.active .accordion-body {
  display: block;
}
.accordion-body a {
  color: var(--accent-green);
  margin-right: 6px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-subtle);
  padding-top: 60px;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 42px;
  margin-bottom: 46px;
}
.footer-p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 400px;
  margin-top: 16px;
}
.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: .03em;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-sub);
  padding: 5px 0;
}
.footer-links a:hover {
  color: var(--accent-green);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0 28px;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-secure {
  display: flex;
  gap: 18px;
}
.footer-secure span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-secure i {
  color: var(--text-dim);
}

/* ===== Breadcrumbs ===== */
.breadcrumb-row {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,.04);
  margin-bottom: 28px;
}
.breadcrumb-row a,
.breadcrumb-row span {
  font-size: 14px;
  color: var(--text-dim);
}
.breadcrumb-row a:hover {
  color: var(--accent-green);
}
.breadcrumb-sep {
  margin: 0 8px;
  opacity: .6;
}

/* ===== Category Extra Blocks ===== */
.section-title-tight {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
}
.accent-block {
  background: rgba(124,92,252,.06);
  border: 1px solid rgba(124,92,252,.2);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}
.accent-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--grad-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.accent-body {
  flex: 1;
  min-width: 240px;
}
.accent-body h4 {
  font-size: 18px;
  margin-bottom: 6px;
}
.accent-body p {
  font-size: 14px;
  color: var(--text-sub);
}

/* ===== Patterns ===== */
.bg-grid-lines {
  position: relative;
}
.bg-grid-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideInRight {
  from { transform: translateX(80px); opacity: .5; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .search-trigger {
    min-width: 150px;
  }
  .main-nav {
    gap: 2px;
  }
  .nav-link {
    font-size: 14px;
    padding: 8px 10px;
  }
  .feature-large {
    grid-template-columns: 1fr;
  }
  .feature-visual {
    min-height: 260px;
  }
  .feature-visual::after {
    background: linear-gradient(to top, var(--bg-panel), transparent);
  }
}

@media screen and (max-width: 860px) {
  .main-nav {
    display: none;
  }
  .desktop-only-link {
    display: none !important;
  }
  .search-trigger {
    display: none;
  }
  .burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .header-actions .icon-btn {
    display: none;
  }
  .cta-panel {
    padding: 44px 30px;
  }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-bottom: 22px;
  }
  .timeline-marker .timeline-time {
    display: inline-block;
  }
  .timeline-cta {
    text-align: left;
  }
}

@media screen and (max-width: 640px) {
  :root {
    --space-section: 60px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-inner {
    gap: 8px;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
  }
  .brand-name {
    font-size: 17px;
  }
  .header-actions .btn {
    display: none;
  }
  .category-hero {
    padding: 70px 0 60px;
  }
  .category-hero-inner {
    padding: 0;
  }
  .hero-data-row {
    gap: 8px;
  }
  .section-block {
    padding-top: 54px;
    padding-bottom: 54px;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .gift-card {
    gap: 14px;
  }
  .steps-row {
    grid-template-columns: 1fr;
  }
  .feature-content {
    padding: 24px 20px;
  }
  .cta-panel {
    padding: 40px 24px;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    flex: 1;
    min-width: 130px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-secure {
    flex-wrap: wrap;
  }
  .timeline-item {
    padding-bottom: 28px;
  }
  .page-h1 {
    font-size: 30px;
  }
  .category-hero-desc {
    font-size: 15px;
  }
}