/* roulang page: index */
:root{
  --bg-deep:#060D1F;
  --bg-main:#0A142C;
  --bg-panel:rgba(148,178,215,.08);
  --bg-hover:rgba(148,178,215,.15);
  --border-glass:rgba(196,222,255,.2);
  --border-glow:rgba(93,210,255,.45);
  --tech-blue:#2F7BFF;
  --cyan-neon:#31DCFF;
  --pink-hot:#FF4D94;
  --purple-hot:#7A3BFF;
  --text-primary:#EAF2FF;
  --text-secondary:#AEC4E0;
  --text-muted:#7D93B5;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --radius-xl:24px;
  --radius-md:18px;
  --radius-sm:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text-primary);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.06;
  z-index:-2;
  pointer-events:none;
}
a{color:inherit;text-decoration:none;transition:color .25s ease}
img{max-width:100%;display:block}
button{background:none;border:0;cursor:pointer;font-family:inherit}
ul,ol{list-style:none}
.container{width:min(1264px,92%);margin-inline:auto}
section{position:relative}
.section-pad{padding-block:clamp(64px,8vw,112px)}
.main-title{
  font-size:clamp(28px,4vw,34px);
  font-weight:750;
  letter-spacing:.5px;
  line-height:1.25;
  margin-bottom:10px;
}
.main-sub{
  color:var(--text-secondary);
  font-size:16px;
  max-width:720px;
  line-height:1.85;
  margin-bottom:34px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:34px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan-neon);
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  background:rgba(49,220,255,.08);
  border:1px solid rgba(49,220,255,.18);
  padding:5px 14px;
  border-radius:48px;
  margin-bottom:14px;
}
.section-index{
  color:var(--text-muted);
  font-size:14px;
  font-weight:600;
  border:1px solid rgba(196,222,255,.18);
  padding:6px 14px;
  border-radius:48px;
  background:rgba(148,178,215,.04);
  white-space:nowrap;
}
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:78px;
  z-index:120;
  background:rgba(6,13,31,.3);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(196,222,255,.08);
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(6,13,31,.82);
  backdrop-filter:blur(22px) saturate(140%);
  border-bottom-color:rgba(196,222,255,.14);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
}
.header-inner{
  height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{
  font-size:26px;
  font-weight:800;
  color:var(--text-primary);
  letter-spacing:1px;
  display:flex;
  align-items:center;
  gap:8px;
  text-shadow:0 0 20px rgba(49,220,255,.28);
}
.brand i{
  color:var(--cyan-neon);
  font-size:20px;
  filter:drop-shadow(0 0 8px rgba(49,220,255,.5));
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  margin-right:18px;
}
.nav-link{
  padding:10px 18px;
  font-size:15px;
  font-weight:600;
  color:var(--text-secondary);
  border-radius:48px;
  border:1px solid transparent;
  transition:all .25s ease;
  position:relative;
  background:rgba(47,123,255,0);
}
.nav-link:hover{
  color:var(--text-primary);
  background:rgba(47,123,255,.16);
}
.nav-link.is-active{
  color:#fff;
  background:rgba(47,123,255,.18);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:2px;
  width:18px;
  height:2px;
  background:var(--cyan-neon);
  box-shadow:0 0 8px var(--cyan-neon);
  border-radius:4px;
}
.header-right{
  display:flex;
  align-items:center;
  gap:10px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:48px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.4px;
  border:0;
  cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease, opacity .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-main{
  background:linear-gradient(135deg,var(--tech-blue),var(--cyan-neon));
  color:#fff;
  box-shadow:0 12px 30px rgba(47,123,255,.35), inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-main:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 40px rgba(49,220,255,.28);
  color:#fff;
}
.btn-hot{
  background:linear-gradient(135deg,var(--pink-hot),var(--purple-hot));
  color:#fff;
  box-shadow:0 12px 34px rgba(255,77,148,.35), 0 0 0 0 rgba(255,77,148,.5);
  animation:pulse-hot 2.4s ease-out infinite;
}
@keyframes pulse-hot{
  0%{box-shadow:0 10px 34px rgba(255,77,148,.35),0 0 0 0 rgba(255,77,148,.22)}
  70%{box-shadow:0 10px 34px rgba(255,77,148,.35),0 0 0 16px rgba(255,77,148,0)}
  100%{box-shadow:0 10px 34px rgba(255,77,148,.35),0 0 0 0 rgba(255,77,148,0)}
}
.btn-ghost{
  background:transparent;
  color:var(--text-primary);
  border:1px solid rgba(255,255,255,.35);
  box-shadow:none;
}
.btn-ghost:hover{
  border-color:var(--cyan-neon);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(49,220,255,.14);
}
.header-cta{
  min-height:44px;
  padding:0 22px;
  font-size:15px;
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  color:var(--text-primary);
  font-size:20px;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(196,222,255,.25);
  background:rgba(148,178,215,.08);
}
.mobile-menu{
  display:none;
  position:fixed;
  inset:78px 0 auto;
  z-index:119;
  padding:18px 24px 32px;
  background:rgba(6,13,31,.96);
  backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(196,222,255,.16);
  flex-direction:column;
  gap:8px;
}
.mobile-menu.is-show{
  display:flex;
}
.mobile-menu a{
  padding:14px 16px;
  border-radius:14px;
  color:var(--text-secondary);
  font-size:17px;
  font-weight:600;
}
.mobile-menu a.is-active{
  color:#fff;
  background:rgba(47,123,255,.16);
}
.mobile-menu .btn{
  margin-top:14px;
}
.hero{
  min-height:92vh;
  display:flex;
  align-items:center;
  padding-block:150px 80px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.34;
  z-index:-1;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(6,13,31,.30) 0%, rgba(6,13,31,.72) 58%, var(--bg-deep) 100%),
    radial-gradient(620px circle at 82% 72%, rgba(49,220,255,.18), transparent 48%),
    radial-gradient(460px circle at 94% 48%, rgba(47,123,255,.14), transparent 55%);
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) .95fr;
  gap:clamp(32px,5vw,64px);
  align-items:center;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:48px;
  border:1px solid rgba(49,220,255,.22);
  background:rgba(49,220,255,.07);
  color:var(--cyan-neon);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.hero-kicker i{
  font-size:13px;
}
.hero h1{
  font-size:clamp(36px,4vw,54px);
  line-height:1.12;
  font-weight:800;
  margin-bottom:22px;
  color:#fff;
  text-shadow:0 6px 30px rgba(0,0,0,.24);
}
.hero h1 span{
  background:linear-gradient(90deg,var(--cyan-neon),#7FDFFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-desc{
  color:var(--text-secondary);
  font-size:17px;
  line-height:1.85;
  max-width:540px;
  margin-bottom:30px;
}
.hero-desc strong{
  color:var(--text-primary);
  font-weight:600;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.hero-proof{
  display:flex;
  gap:26px;
  flex-wrap:wrap;
  align-items:center;
}
.proof-item{
  display:flex;
  flex-direction:column;
}
.proof-item b{
  font-size:22px;
  font-weight:800;
  color:#fff;
  font-family:inherit;
}
.proof-item span{
  color:var(--text-muted);
  font-size:13px;
}
.stage-wrap{
  perspective:1200px;
  position:relative;
}
.stage-glow{
  position:absolute;
  inset:-10%;
  background:radial-gradient(46% 42% at 50% 50%, rgba(49,220,255,.40), transparent 60%);
  filter:blur(40px);
  pointer-events:none;
  z-index:0;
}
.stage-device{
  position:relative;
  z-index:2;
  max-width:380px;
  margin-inline:auto;
  aspect-ratio:3/3.8;
  background:linear-gradient(180deg, rgba(148,178,215,.14), rgba(148,178,215,.05));
  border:1px solid var(--border-glass);
  border-top:1px solid rgba(255,255,255,.3);
  border-radius:38px;
  padding:14px;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 0 0 1px rgba(255,255,255,.04);
  transform:rotateY(-2deg) rotateX(1deg);
  transition:transform .6s ease;
}
.stage-device:hover{
  transform:rotateY(-1deg) rotateX(0deg);
}
.stage-screen{
  position:relative;
  height:100%;
  border-radius:26px;
  overflow:hidden;
  background:linear-gradient(160deg, #102A4E, var(--bg-main));
  border:1px solid rgba(196,222,255,.12);
}
.stage-screen img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.stage-screen .stage-scrim{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(6,13,31,0) 0%, rgba(6,13,31,.08) 40%, rgba(6,13,31,.92) 100%);
}
.stage-topline{
  position:absolute;
  top:18px;
  left:18px;
  right:18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  z-index:4;
}
.live-pill{
  background:rgba(6,13,31,.75);
  backdrop-filter:blur(10px);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:7px 12px;
  border-radius:48px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid rgba(255,255,255,.16);
}
.live-pill .dot{
  width:6px;
  height:6px;
  background:var(--pink-hot);
  border-radius:50%;
  animation:blink 1s linear infinite;
  box-shadow:0 0 8px var(--pink-hot);
}
@keyframes blink{
  50%{opacity:.3}
}
.stage-crown{
  color:var(--text-primary);
}
.stage-bottom{
  position:absolute;
  left:20px;
  right:20px;
  bottom:18px;
  z-index:4;
  color:#fff;
}
.stage-bottom .small-tag{
  font-size:12px;
  color:rgba(255,255,255,.8);
  background:rgba(47,123,255,.45);
  padding:5px 10px;
  border-radius:48px;
  display:inline-block;
  margin-bottom:10px;
  backdrop-filter:blur(8px);
}
.stage-bottom h3{
  font-size:18px;
  line-height:1.4;
  font-weight:700;
}
.stage-bottom p{
  color:rgba(255,255,255,.7);
  font-size:13px;
}
.stage-play{
  position:absolute;
  top:42%;
  left:50%;
  transform:translate(-50%,-50%);
  width:64px;
  height:64px;
  border-radius:50%;
  background:rgba(6,13,31,.55);
  border:1px solid rgba(255,255,255,.25);
  backdrop-filter:blur(16px);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:22px;
  z-index:5;
  box-shadow:0 0 30px rgba(49,220,255,.35);
  transition:transform .3s ease;
}
.stage-play:hover{
  transform:translate(-50%,-50%) scale(1.08);
}
.topic-rail-wrap{
  margin-top:-10px;
  margin-bottom:-10px;
}
.topic-rail{
  display:flex;
  align-items:center;
  gap:14px;
  overflow-x:auto;
  padding:16px 4px 20px;
  scrollbar-width:none;
}
.topic-rail::-webkit-scrollbar{
  display:none;
}
.topic-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 26px;
  border-radius:48px;
  font-size:15px;
  font-weight:700;
  color:var(--text-primary);
  background:linear-gradient(180deg, rgba(126,156,205,.17), rgba(126,156,205,.06));
  border:1px solid rgba(196,222,255,.22);
  border-top-color:rgba(255,255,255,.28);
  box-shadow:0 12px 30px rgba(0,0,0,.25);
  backdrop-filter:blur(18px) saturate(140%);
  transition:all .28s ease;
}
.topic-pill i{
  color:var(--cyan-neon);
  font-size:16px;
}
.topic-pill:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px rgba(49,220,255,.20), 0 0 0 1px rgba(49,220,255,.3);
  color:#fff;
}
.topic-pill .arrow{
  margin-left:2px;
  font-size:12px;
  color:var(--text-muted);
}
.section-bg{
  background:rgba(6,13,31,.8);
  border-top:1px solid rgba(196,222,255,.08);
  border-bottom:1px solid rgba(196,222,255,.08);
}
.cool-shelf{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
}
.cool-shelf .cell{
  flex:1 1 0;
  min-width:230px;
  max-width:none;
}
.media-card{
  position:relative;
  height:100%;
  background:linear-gradient(180deg, rgba(126,156,205,.15), rgba(126,156,205,.05));
  border:1px solid var(--border-glass);
  border-top:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius-md);
  overflow:hidden;
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease, box-shadow .3s ease;
  display:flex;
  flex-direction:column;
}
.media-card:hover{
  transform:translateY(-6px);
  box-shadow:0 24px 64px rgba(49,220,255,.13), 0 0 0 1px rgba(49,220,255,.35);
}
.media-thumb{
  position:relative;
  aspect-ratio:3/4;
  overflow:hidden;
  background:linear-gradient(145deg, #101f3a, #0b1730);
}
.media-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.9;
  transition:transform .5s ease;
}
.media-card:hover .media-thumb img{
  transform:scale(1.045);
}
.media-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(6,13,31,.68) 100%);
}
.media-badge{
  position:absolute;
  top:12px;
  left:12px;
  z-index:3;
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(6,13,31,.5);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(10px);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:6px 11px;
  border-radius:48px;
}
.media-badge.hot{
  color:#FFD9E8;
}
.media-meta-float{
  position:absolute;
  bottom:12px;
  left:12px;
  right:12px;
  z-index:3;
  display:flex;
  justify-content:space-between;
  color:rgba(255,255,255,.85);
  font-size:12px;
  font-weight:600;
}
.media-meta-float span{
  background:rgba(6,13,31,.42);
  padding:5px 10px;
  border-radius:48px;
  backdrop-filter:blur(8px);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.media-body{
  padding:18px 18px 20px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.media-body h3{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  color:var(--text-primary);
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.media-body p{
  color:var(--text-secondary);
  font-size:13px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:14px;
}
.media-footer{
  margin-top:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-top:1px solid rgba(196,222,255,.1);
  padding-top:12px;
}
.media-footer .channel{
  font-size:13px;
  color:var(--cyan-neon);
  font-weight:600;
}
.media-footer .more-link{
  font-size:13px;
  color:var(--text-muted);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.media-footer .more-link:hover{
  color:var(--cyan-neon);
}
.pick-list{
  counter-reset:pick;
}
.pick-item{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr auto;
  gap:30px;
  align-items:center;
  padding:30px 0;
  border-bottom:1px solid rgba(196,222,255,.1);
  transition:background .25s ease;
}
.pick-item:first-child{
  border-top:1px solid rgba(196,222,255,.1);
}
.pick-item:hover{
  background:rgba(148,178,215,.04);
}
.pick-no{
  font-size:56px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(196,222,255,.35);
  transition:all .3s ease;
}
.pick-item:hover .pick-no{
  -webkit-text-stroke:1px var(--cyan-neon);
  color:rgba(49,220,255,.1);
  text-shadow:0 0 22px rgba(49,220,255,.35);
}
.pick-main h3{
  font-size:20px;
  font-weight:750;
  color:var(--text-primary);
  margin-bottom:6px;
}
.pick-main p{
  color:var(--text-secondary);
  font-size:15px;
  max-width:680px;
}
.pick-tag{
  display:inline-flex;
  gap:10px;
  align-items:center;
}
.pick-tag span{
  background:rgba(47,123,255,.14);
  border:1px solid rgba(47,123,255,.28);
  color:var(--text-primary);
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:48px;
  white-space:nowrap;
}
.pick-thumb{
  width:120px;
  aspect-ratio:3/4;
  border-radius:14px;
  border:1px solid var(--border-glass);
  object-fit:cover;
  overflow:hidden;
  background:rgba(148,178,215,.12);
}
.pick-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.pick-cta{
  grid-column:1/-1;
  margin-top:10px;
  border-radius:var(--radius-xl);
  background:linear-gradient(120deg, rgba(47,123,255,.18), rgba(49,220,255,.05));
  border:1px solid rgba(49,220,255,.24);
  padding:clamp(24px,4vw,42px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.pick-cta h3{
  font-size:clamp(20px,3vw,28px);
  font-weight:750;
  color:#fff;
}
.pick-cta p{
  color:var(--text-secondary);
  font-size:14px;
}
.pick-cta .btn{
  flex-shrink:0;
}
.review-track{
  display:flex;
  flex-wrap:nowrap;
  gap:20px;
  overflow-x:auto;
  padding:8px 4px 20px;
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg, transparent 0, #000 4%, #000 94%, transparent 100%);
  mask-image:linear-gradient(90deg, transparent 0, #000 4%, #000 94%, transparent 100%);
}
.review-track::-webkit-scrollbar{
  display:none;
}
.review-card{
  flex:0 0 320px;
  background:linear-gradient(180deg, rgba(126,156,205,.14), rgba(126,156,205,.04));
  border:1px solid var(--border-glass);
  border-top:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-md);
  padding:24px;
  box-shadow:0 14px 34px rgba(0,0,0,.24);
  backdrop-filter:blur(14px);
}
.review-stars{
  color:#FFC85A;
  font-size:14px;
  letter-spacing:2px;
  margin-bottom:10px;
}
.review-card p{
  color:var(--text-primary);
  font-size:14px;
  line-height:1.8;
  margin-bottom:16px;
}
.review-user{
  display:flex;
  align-items:center;
  gap:12px;
}
.avatar{
  width:36px;
  height:36px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,var(--tech-blue),var(--cyan-neon));
}
.review-user b{
  font-size:14px;
  color:#fff;
  font-weight:600;
  display:block;
  line-height:1.4;
}
.review-user span{
  font-size:12px;
  color:var(--text-muted);
}
.cms-area{
  position:relative;
  overflow:hidden;
}
.cms-area::before{
  content:"";
  position:absolute;
  right:-12%;
  top:-20%;
  width:520px;
  height:520px;
  background:radial-gradient(circle, rgba(49,220,255,.12), transparent 60%);
  filter:blur(30px);
  pointer-events:none;
}
.cms-layout{
  position:relative;
  z-index:2;
  border-top:1px solid rgba(196,222,255,.08);
}
.cms-row{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:28px;
  padding:26px 8px;
  border-bottom:1px solid rgba(196,222,255,.1);
  align-items:start;
  transition:background .3s ease;
}
.cms-row:hover{
  background:rgba(148,178,215,.08);
  border-radius:14px;
}
.cms-row time{
  color:var(--cyan-neon);
  font-size:15px;
  font-weight:600;
  font-family:inherit;
  background:rgba(49,220,255,.08);
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:48px;
  width:max-content;
}
.cms-row-content h3 a{
  color:var(--text-primary);
  font-size:18px;
  font-weight:650;
  line-height:1.5;
  display:inline-flex;
  gap:8px;
  align-items:center;
}
.cms-row-content h3 a:hover{
  color:var(--cyan-neon);
}
.cms-row-content h3 i{
  font-size:12px;
  color:var(--text-muted);
}
.cms-row-content p{
  color:var(--text-secondary);
  margin-top:6px;
  font-size:15px;
  max-width:760px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cms-meta{
  margin-top:12px;
  display:flex;
  gap:14px;
  color:var(--text-muted);
  font-size:13px;
  align-items:center;
}
.cms-meta a{
  color:var(--cyan-neon);
  font-weight:600;
}
.cms-empty-state{
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  color:var(--text-muted);
  font-size:15px;
  border-bottom:1px solid rgba(196,222,255,.08);
}
.cms-empty-state i{
  font-size:42px;
  opacity:.5;
  background:rgba(148,178,215,.08);
  width:78px;
  height:78px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.cta-banner{
  position:relative;
  border-radius:28px;
  background:linear-gradient(150deg, rgba(255,77,148,.22), rgba(122,59,255,.12)), linear-gradient(180deg, rgba(126,156,205,.16), rgba(126,156,205,.04));
  border:1px solid rgba(255,77,148,.28);
  border-top:1px solid rgba(255,255,255,.2);
  overflow:hidden;
  padding:clamp(38px,6vw,76px) clamp(28px,5vw,64px);
  text-align:center;
  backdrop-filter:blur(20px);
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.cta-banner::before{
  content:"";
  position:absolute;
  inset:-20%;
  background:radial-gradient(40% 50% at 20% 80%, rgba(255,77,148,.18), transparent 60%),radial-gradient(44% 58% at 78% 20%, rgba(49,220,255,.2), transparent 55%);
  pointer-events:none;
}
.cta-banner h2{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.2;
  color:#fff;
  margin-bottom:14px;
}
.cta-banner p{
  color:var(--text-secondary);
  font-size:16px;
  max-width:680px;
  margin:0 auto 30px;
}
.cta-banner .btn-hot{
  min-height:58px;
  padding:0 54px;
  font-size:18px;
}
.cta-tips{
  display:flex;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  margin-top:26px;
  color:rgba(255,255,255,.75);
  font-size:13px;
}
.cta-tips span{
  display:inline-flex;
  gap:6px;
  align-items:center;
}
.cta-tips i{
  color:var(--cyan-neon);
}
.faq-wrap{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  align-items:start;
}
details.faq-item{
  background:linear-gradient(180deg, rgba(126,156,205,.12), rgba(126,156,205,.04));
  border:1px solid rgba(196,222,255,.16);
  border-top:1px solid rgba(255,255,255,.18);
  border-radius:18px;
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:box-shadow .3s ease, transform .3s ease;
}
details.faq-item:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 36px rgba(49,220,255,.1);
}
details.faq-item[open]{
  box-shadow:0 0 0 1px rgba(49,220,255,.3), 0 18px 44px rgba(49,220,255,.12);
}
details.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  cursor:pointer;
  color:var(--text-primary);
  font-size:16px;
  font-weight:700;
  min-height:64px;
}
details.faq-item summary::-webkit-details-marker{
  display:none;
}
details.faq-item summary::before{
  content:"Q";
  color:var(--cyan-neon);
  font-weight:800;
  font-size:14px;
  background:rgba(49,220,255,.15);
  width:26px;
  height:26px;
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 26px;
}
details.faq-item summary i{
  margin-left:auto;
  flex:0 0 auto;
  color:var(--text-muted);
  transition:transform .3s ease;
  font-size:15px;
}
details.faq-item[open] summary i{
  transform:rotate(180deg);
  color:var(--cyan-neon);
}
details.faq-item .faq-body{
  padding:0 24px 22px 66px;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.85;
}
.site-footer{
  background:#051024;
  color:var(--text-secondary);
  padding-top:70px;
  border-top:1px solid rgba(196,222,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1fr;
  gap:clamp(30px,5vw,60px);
  padding-bottom:46px;
}
.footer-brand p{
  font-size:15px;
  margin-top:16px;
  line-height:1.8;
  max-width:340px;
  color:var(--text-muted);
}
.footer-social{
  display:flex;
  gap:8px;
  margin-top:20px;
}
.footer-social a{
  width:36px;
  height:36px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(196,222,255,.16);
  color:var(--text-secondary);
  background:rgba(148,178,215,.04);
}
.footer-social a:hover{
  color:var(--cyan-neon);
  border-color:rgba(49,220,255,.4);
}
.footer-col h4{
  color:var(--text-primary);
  font-size:16px;
  font-weight:700;
  margin-bottom:20px;
}
.footer-col ul li{
  margin-bottom:12px;
}
.footer-col ul a{
  color:var(--text-muted);
  font-size:14px;
  display:inline-flex;
  gap:8px;
  align-items:center;
}
.footer-col ul a i{
  font-size:11px;
  color:rgba(255,255,255,.25);
  transition:all .25s ease;
}
.footer-col ul a:hover{
  color:var(--cyan-neon);
}
.footer-col ul a:hover i{
  transform:translateX(4px);
  color:var(--cyan-neon);
}
.footer-line{
  border-top:1px solid rgba(196,222,255,.09);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--text-muted);
  font-size:13px;
}
.footer-line a{
  color:var(--text-muted);
}
.footer-line a:hover{
  color:var(--cyan-neon);
}
.back-top{
  position:fixed;
  right:20px;
  bottom:20px;
  width:42px;
  height:42px;
  border-radius:12px;
  background:rgba(6,13,31,.8);
  border:1px solid rgba(49,220,255,.35);
  color:var(--cyan-neon);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease, transform .3s ease;
  z-index:90;
  backdrop-filter:blur(8px);
}
.back-top.is-visible{
  opacity:1;
  pointer-events:auto;
}
.back-top:hover{
  transform:translateY(-4px);
}
@media screen and (max-width:1024px){
  .hero-grid{
    grid-template-columns:1fr 380px;
    gap:24px;
  }
  .site-nav{
    display:none;
  }
  .menu-toggle{
    display:inline-flex;
  }
  .stage-device{
    max-width:330px;
  }
}
@media screen and (max-width:900px){
  .pick-item{
    grid-template-columns:70px 1fr;
    gap:18px;
  }
  .pick-tag{
    grid-column:2;
  }
}
@media screen and (max-width:760px){
  .site-header,.header-inner{
    height:64px;
  }
  .header-inner{
    padding-inline:0;
  }
  .mobile-menu{
    top:64px;
  }
  .brand{
    font-size:22px;
  }
  .hero{
    min-height:auto;
    padding:120px 0 58px;
  }
  .hero-grid{
    grid-template-columns:1fr;
  }
  .stage-wrap{
    order:2;
    margin-top:10px;
  }
  .hero h1{
    font-size:36px;
  }
  .hero-desc{
    font-size:16px;
  }
  .section-pad{
    padding-block:56px;
  }
  .faq-wrap{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px 20px;
  }
  .cms-row{
    grid-template-columns:1fr;
    gap:8px;
    padding-inline:6px;
  }
  .pick-cta{
    align-items:flex-start;
  }
  .pick-thumb{
    display:none;
  }
}
@media screen and (max-width:520px){
  .header-cta{
    display:none;
  }
  .container{
    width:min(100% - 36px,1264px);
  }
  .cool-shelf{
    flex-wrap:nowrap;
    overflow-x:auto;
    scrollbar-width:none;
    -webkit-mask-image:linear-gradient(90deg,#000 84%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 84%,transparent 100%);
    margin-inline:-10px;
    padding-inline:6px;
  }
  .cool-shelf::-webkit-scrollbar{
    display:none;
  }
  .cool-shelf .cell{
    flex:0 0 240px;
    min-width:240px;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .section-index{
    align-self:flex-end;
  }
  .pick-item{
    grid-template-columns:52px 1fr;
    gap:12px;
  }
  .pick-no{
    font-size:40px;
  }
  .pick-tag span{
    font-size:11px;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
  .footer-line{
    flex-direction:column;
    align-items:flex-start;
  }
  .hero-actions .btn{
    width:100%;
  }
}

/* roulang page: category1 */
:root {
        --bg-deep: #060D1F;
        --bg-main: #0A142C;
        --bg-panel: rgba(148, 178, 215, 0.08);
        --bg-hover: rgba(148, 178, 215, 0.15);
        --border-glass: rgba(196, 222, 255, 0.2);
        --border-glow: rgba(93, 210, 255, 0.45);
        --tech-blue: #2F7BFF;
        --cyan-neon: #31DCFF;
        --pink-hot: #FF4D94;
        --text-primary: #EAF2FF;
        --text-secondary: #AEC4E0;
        --text-muted: #7D93B5;
        --radius-card: 18px;
        --radius-btn: 48px;
        --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.45);
        --spacing-section: clamp(64px, 8vw, 112px);
        --gradient-main: linear-gradient(135deg, #2F7BFF, #31DCFF);
        --gradient-hot: linear-gradient(135deg, #FF4D94, #7A3BFF);
    }
    *,
    *:before,
    *:after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
        background-color: var(--bg-deep);
        color: var(--text-primary);
        line-height: 1.85;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
        min-height: 100vh;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center 0;
        background-repeat: no-repeat;
        background-attachment: fixed;
    }
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        background: linear-gradient(180deg, rgba(6, 13, 31, 0.92), rgba(10, 20, 44, 0.97) 60%, rgba(6, 13, 31, 0.98));
        z-index: -1;
    }
    body::after {
        content: '';
        position: fixed;
        top: -20%;
        right: -10%;
        width: 60vw;
        height: 60vw;
        background: radial-gradient(circle, rgba(47, 123, 255, 0.18) 0%, transparent 60%);
        z-index: -1;
        pointer-events: none;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: all 0.3s ease;
    }
    ul,
    ol {
        list-style: none;
    }
    button,
    input,
    textarea {
        font-family: inherit;
        border: none;
        outline: none;
    }
    .container {
        max-width: 1264px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 78px;
        z-index: 1000;
        transition: all 0.3s ease;
    }
    .site-header.is-scrolled {
        background: rgba(6, 13, 31, 0.85);
        backdrop-filter: blur(22px);
        -webkit-backdrop-filter: blur(22px);
        border-bottom: 1px solid rgba(196, 222, 255, 0.08);
        height: 68px;
    }
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 100%;
    }
    .brand {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 24px;
        font-weight: 800;
        color: var(--text-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .brand i {
        color: var(--cyan-neon);
        font-size: 20px;
        filter: drop-shadow(0 0 10px rgba(49, 220, 255, 0.5));
    }
    .site-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: auto;
        margin-right: 24px;
    }
    .nav-link {
        padding: 10px 18px;
        border-radius: 48px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-secondary);
        border: 1.5px solid transparent;
        transition: all 0.3s ease;
        white-space: nowrap;
    }
    .nav-link:hover,
    .nav-link:focus-visible {
        background: rgba(47, 123, 255, 0.16);
        color: var(--text-primary);
        border-color: rgba(49, 220, 255, 0.2);
    }
    .nav-link.is-active {
        background: rgba(47, 123, 255, 0.16);
        color: #fff;
        border-color: rgba(49, 220, 255, 0.25);
        box-shadow: inset 0 -2px 0 var(--cyan-neon);
    }
    .nav-cta {
        height: 46px;
        padding: 0 24px;
        border-radius: 48px;
        background: var(--gradient-hot);
        color: #fff;
        font-weight: 700;
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0 0 20px rgba(255, 77, 148, 0.35), 0 8px 30px rgba(122, 59, 255, 0.2);
        transition: all 0.3s ease;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 30px rgba(255, 77, 148, 0.55), 0 12px 40px rgba(122, 59, 255, 0.3);
        color: #fff;
    }
    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: rgba(148, 178, 215, 0.1);
        border: 1px solid var(--border-glass);
        color: var(--text-primary);
        font-size: 20px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 1001;
    }
    .nav-toggle:hover {
        background: rgba(148, 178, 215, 0.2);
        border-color: var(--border-glow);
    }
    /* -------- Category Hero -------- */
    .cat-hero {
        padding-top: 150px;
        padding-bottom: 40px;
        position: relative;
    }
    .cat-hero::before {
        content: '';
        position: absolute;
        top: 80px;
        left: 10%;
        width: 500px;
        height: 400px;
        background: radial-gradient(circle, rgba(49, 220, 255, 0.12), transparent 70%);
        z-index: 0;
        pointer-events: none;
    }
    .cat-hero-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
        position: relative;
        z-index: 1;
    }
    .cat-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        background: rgba(49, 220, 255, 0.1);
        border: 1px solid rgba(49, 220, 255, 0.3);
        border-radius: 48px;
        font-size: 13px;
        font-weight: 600;
        color: var(--cyan-neon);
        margin-bottom: 20px;
        letter-spacing: 0.2px;
    }
    .cat-hero h1 {
        font-size: 44px;
        font-weight: 800;
        line-height: 1.2;
        color: var(--text-primary);
        margin-bottom: 20px;
        letter-spacing: 0.5px;
    }
    .cat-hero h1 span {
        color: var(--tech-blue);
        background: linear-gradient(135deg, #2F7BFF, #31DCFF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .cat-hero-desc {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.85;
        max-width: 520px;
        border-left: 3px solid var(--cyan-neon);
        padding-left: 18px;
        opacity: 0.9;
        font-weight: 400;
    }
    .cat-hero-media {
        background: linear-gradient(180deg, rgba(126, 156, 205, 0.14), rgba(126, 156, 205, 0.04));
        backdrop-filter: blur(18px) saturate(140%);
        -webkit-backdrop-filter: blur(18px) saturate(140%);
        border-radius: var(--radius-card);
        border-top: 1px solid rgba(255, 255, 255, 0.25);
        padding: 0;
        aspect-ratio: 16/10;
        position: relative;
        overflow: hidden;
        box-shadow: var(--shadow-card), 0 0 0 1px rgba(49, 220, 255, 0.1);
    }
    .cat-hero-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
    }
    .cat-hero-media:hover img {
        transform: scale(1.02);
    }
    .hero-tag {
        position: absolute;
        top: 20px;
        left: 20px;
        background: rgba(6, 13, 31, 0.7);
        backdrop-filter: blur(12px);
        padding: 8px 16px;
        border-radius: 48px;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 8px;
        border: 1px solid rgba(196, 222, 255, 0.2);
    }
    .trending-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--pink-hot);
        animation: blink-dot 1.6s infinite;
        display: inline-block;
    }
    @keyframes blink-dot {
        0%,
        100% {
            opacity: 1;
            box-shadow: 0 0 12px var(--pink-hot);
        }
        50% {
            opacity: 0.4;
            box-shadow: none;
        }
    }
    .hero-meta {
        position: absolute;
        right: 20px;
        bottom: 20px;
        left: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(6, 13, 31, 0.6);
        backdrop-filter: blur(10px);
        padding: 10px 16px;
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-meta span {
        font-size: 13px;
        color: var(--text-secondary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .breadcrumb {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-muted);
        margin-bottom: 16px;
        padding-top: 8px;
    }
    .breadcrumb a {
        color: var(--text-muted);
        transition: color 0.2s;
    }
    .breadcrumb a:hover {
        color: var(--cyan-neon);
    }
    .breadcrumb .sep {
        color: var(--text-muted);
        font-size: 12px;
    }
    .breadcrumb span {
        color: var(--sky-200);
    }
    /* -------- Sticky Section Nav -------- */
    .cat-body {
        padding: 40px 0 0;
        position: relative;
        z-index: 1;
    }
    .sticky-wrap {
        display: grid;
        grid-template-columns: 230px 1fr;
        gap: 48px;
        align-items: start;
    }
    .cat-guide {
        position: sticky;
        top: 100px;
        background: rgba(148, 178, 215, 0.08);
        border: 1px solid var(--border-glass);
        border-radius: 20px;
        padding: 24px 14px;
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }
    .cat-guide-title {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 700;
        color: var(--text-primary);
        text-transform: uppercase;
        letter-spacing: 1px;
        padding: 0 12px 16px;
        border-bottom: 1px solid rgba(196, 222, 255, 0.12);
        margin-bottom: 12px;
    }
    .cat-guide-title i {
        color: var(--pink-hot);
        font-size: 16px;
    }
    .cat-guide a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 16px;
        font-size: 14px;
        color: var(--text-secondary);
        border-radius: 10px;
        margin-bottom: 2px;
        transition: all 0.25s ease;
        font-weight: 500;
    }
    .cat-guide a i {
        font-size: 12px;
        width: 16px;
        color: var(--text-muted);
        transition: all 0.2s;
    }
    .cat-guide a:hover,
    .cat-guide a.is-active {
        background: rgba(47, 123, 255, 0.18);
        color: #fff;
        box-shadow: inset 2px 0 0 var(--cyan-neon);
    }
    .cat-guide a:hover i,
    .cat-guide a.is-active i {
        color: var(--cyan-neon);
    }
    .cat-main {
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .content-block {
        background: linear-gradient(180deg, rgba(126, 156, 205, 0.14), rgba(126, 156, 205, 0.04));
        backdrop-filter: blur(18px) saturate(140%);
        -webkit-backdrop-filter: blur(18px) saturate(140%);
        border-radius: var(--radius-card);
        border-top: 1px solid rgba(255, 255, 255, 0.25);
        box-shadow: var(--shadow-card);
        padding: 32px;
        position: relative;
        transition: all 0.35s ease;
    }
    .block-number {
        font-size: 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 12px;
    }
    .block-number span:first-child {
        background: rgba(49, 220, 255, 0.12);
        padding: 4px 14px;
        border-radius: 32px;
        font-size: 13px;
        letter-spacing: 0.5px;
        color: var(--cyan-neon);
        font-weight: 700;
    }
    .block-number span:last-child {
        color: var(--text-muted);
        font-size: 13px;
        letter-spacing: 0.3px;
    }
    .content-block h2 {
        font-size: 30px;
        font-weight: 750;
        line-height: 1.3;
        margin-bottom: 18px;
        color: var(--text-primary);
        letter-spacing: 0.3px;
    }
    .content-block h3 {
        font-size: 20px;
        font-weight: 650;
        margin-bottom: 14px;
        color: var(--text-primary);
    }
    .content-block p {
        color: var(--text-secondary);
        font-size: 16px;
        line-height: 1.85;
        margin-bottom: 18px;
    }
    .hot-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 10px;
    }
    .hot-card {
        background: linear-gradient(180deg, rgba(148, 178, 215, 0.1), rgba(148, 178, 215, 0.03));
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: 18px;
        padding: 22px;
        border: 1px solid rgba(196, 222, 255, 0.16);
        box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 20px;
        transition: all 0.3s ease;
    }
    .hot-card:hover {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.43), 0 0 0 1px rgba(49, 220, 255, 0.2);
        background: rgba(148, 178, 215, 0.14);
        transform: translateY(-4px);
    }
    .hot-card-first {
        display: inline-flex;
        width: fit-content;
        background: rgba(47, 123, 255, 0.18);
        color: var(--sky-200);
        font-size: 13px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 6px;
        margin-bottom: 10px;
        letter-spacing: 0.5px;
    }
    .hot-card-first em {
        font-style: normal;
        color: #ff6b9d;
    }
    .hot-card-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 140px;
        position: relative;
    }
    .hot-card-img i {
        font-size: 16px;
    }
    .hot-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .hot-card-title {
        font-weight: 600;
        font-size: 16px;
        line-height: 1.6;
        color: #f5faff;
        display: block;
        transition: color 0.2s;
    }
    .hot-card-desc {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        display: block;
        margin-top: 6px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .hot-card-foot {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 12px;
    }
    .hot-card-foot .tag {
        padding: 4px 10px;
        background: rgba(148, 178, 215, 0.15);
        color: var(--text-secondary);
        font-size: 12px;
        border-radius: 24px;
        transition: background 0.2s;
        font-weight: 500;
    }
    .hot-card:hover .tag {
        background: rgba(49, 220, 255, 0.15);
        color: var(--cyan-neon);
    }
    .tag.primary {
        background: rgba(49, 220, 255, 0.15);
        color: var(--cyan-neon);
    }
    .str {
        list-style: none;
        counter-reset: rank;
    }
    .str-item {
        display: flex;
        gap: 16px;
        padding: 16px 0;
        border-bottom: 1px solid rgba(196, 222, 255, 0.12);
        transition: all 0.2s ease;
        list-style: none;
    }
    .str-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .str-item:hover {
        background: rgba(148, 178, 215, 0.07);
        border-radius: 12px;
    }
    .rank-num {
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(148, 178, 215, 0.3);
        font-size: 34px;
        width: 108px;
        font-weight: 800;
        line-height: 1;
        position: relative;
        text-shadow: 0 0 30px rgba(49, 220, 255, 0.25);
        flex-shrink: 0;
        letter-spacing: 1px;
    }
    .str-content {
        flex: 1;
        min-width: 0;
    }
    .str-content h5 {
        color: var(--text-primary);
        font-size: 18px;
        line-height: 1.6;
        margin-bottom: 8px;
        letter-spacing: 0.2px;
        font-weight: 650;
    }
    .str-content p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }
    .str-link {
        white-space: nowrap;
        color: #a9c8f2;
        font-weight: 600;
        transition: all 0.3s ease;
        font-size: 16px;
        margin-left: auto;
        padding: 0 0 0 8px;
    }
    .str-link:hover {
        color: #fff;
        transform: scale(1.2);
    }
    .str-meta {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 18px;
        list-style: none;
        margin: 10px 0 0;
        padding: 0;
    }
    .str-meta-item {
        font-size: 13px;
        text-transform: uppercase;
        list-style: none;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .str-meta-item i {
        font-size: 13px;
        order: -1;
        margin-right: 5;
    }
    .str-meta-title {
        color: var(--text-primary);
        font-weight: 600;
        padding-right: 8px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        font-size: 13px;
        border-right: 1px solid rgba(196, 222, 255, 0.2);
    }
    .rank-banner .guide-btn {
        margin: 12px 8px 0 0;
    }
    .content-divider {
        background: linear-gradient(180deg, rgba(126, 156, 205, 0.14), rgba(126, 156, 205, 0.06));
        backdrop-filter: blur(18px) saturate(140%);
        -webkit-backdrop-filter: blur(18px) saturate(140%);
        border: 1px solid rgba(196, 222, 255, 0.15);
        border-radius: 20px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 30px;
        margin: 6px 0;
        transition: all 0.3s ease;
    }
    .content-divider p {
        margin-bottom: 0;
        color: var(--text-primary);
        font-weight: 550;
        font-size: 16px;
    }
    .content-divider p small {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 4px;
        color: var(--text-secondary);
        font-size: 13px;
        font-weight: 400;
    }
    .content-divider .badge-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(49, 220, 255, 0.2);
        color: var(--cyan-neon);
        font-size: 15px;
        flex-shrink: 0;
    }
    .trend-line-item {
        display: flex;
        gap: 24px;
        padding: 14px 0;
        border-bottom: 1px dashed rgba(196, 222, 255, 0.14);
    }
    .trend-line-item:last-child {
        border-bottom: none;
    }
    .trend-time {
        white-space: nowrap;
        display: block;
        font-size: 14px;
        font-weight: 700;
        line-height: 1.3;
        min-width: 76px;
        color: var(--cyan-neon);
        padding-top: 2px;
    }
    .trend-tag {
        background: rgba(49, 220, 255, 0.14);
        border: 1px solid rgba(49, 220, 255, 0.22);
        color: var(--cyan-neon);
        padding: 6px 14px;
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 500;
        margin: 2px 0 8px;
        width: fit-content;
        cursor: default;
        transition: all 0.25s;
    }
    .trend-tag i {
        font-size: 12px;
    }
    .badge-title {
        font-size: 15px;
        letter-spacing: 0.8px;
        color: var(--text-primary);
        font-weight: 750;
        text-transform: uppercase;
    }
    .badge-sub {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 12px;
        letter-spacing: 1.4px;
        margin-left: 16px;
        color: var(--border-glow);
    }
    .badge-sub i {
        color: var(--pink-hot);
        font-size: 14px;
    }
    .badge-sub a {
        color: var(--text-primary) !important;
        font-weight: 600;
        box-shadow: none !important;
        border-bottom: dashed 1px var(--text-muted);
    }
    .badge-sub a:hover {
        color: #fff !important;
        border-bottom-color: var(--pink-hot);
    }
    .badge-table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        font-size: 14px;
    }
    .badge-table th {
        font-size: 12px;
        text-transform: uppercase;
        letter-spacing: 0.6px;
        color: #7e9bc2;
        font-weight: 700;
        padding: 0 0 8px;
        margin: 0;
        text-align: left;
        border-bottom: 1px solid rgba(196, 222, 255, 0.18);
    }
    .badge-table td {
        padding: 16px 0;
        border-bottom: 1px solid rgba(196, 222, 255, 0.08);
        vertical-align: middle;
        color: var(--text-secondary);
    }
    .badge-table tr:last-child td {
        border-bottom: none;
    }
    .badge-table .badge-table-number {
        color: rgba(148, 178, 215, 0.4);
        font-feature-settings: "tnum";
        font-size: 14px;
        display: inline-block;
        width: 28px;
    }
    .badge-table .badge-table-title {
        color: var(--text-primary);
        font-weight: 600;
        display: block;
        margin-bottom: 2px;
    }
    .badge-table .badge-table-title:hover {
        color: var(--cyan-neon);
    }
    .badge-table .badge-table-desc {
        color: var(--text-muted);
        font-size: 13px;
    }
    .badge-table a {
        color: #a9c8f2;
        font-weight: 550;
        border-bottom: 1px solid transparent;
        transition: all 0.2s;
    }
    .badge-table a:hover {
        border-bottom-color: var(--cyan-neon);
        color: var(--cyan-neon);
    }
    .muted {
        color: #9aabc0 !important;
    }
    .mb-sm {
        margin-bottom: 10px;
    }
    .mb-md {
        margin-bottom: 24px;
    }
    .clearfix {
        display: inline-block;
    }
    .st-report {
        display: inline-flex;
        gap: 4px;
        background: rgba(255, 77, 148, 0.2);
        color: #ffffff;
        padding: 6px 10px;
        border-radius: 8px;
    }
    .st-report a {
        box-shadow: none !important;
        border-bottom: dashed 1px rgba(255, 255, 255, 0.4) !important;
    }
    .row-section {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin: 24px 0;
    }
    .row-section .col {
        border: 1px solid rgba(148, 178, 215, 0.24);
        border-radius: 12px;
        padding: 20px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        background: rgba(148, 178, 215, 0.1);
    }
    .row-section .col:hover {
        box-shadow: 0 12px 26px rgba(0, 0, 0, 0.42);
        background: rgba(148, 178, 215, 0.16);
        transform: translateY(-2px);
        transition: 0.25s ease;
    }
    .row-section .col h5 {
        font-weight: 600;
        font-size: 16px;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    .row-section .col p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 0;
    }
    .col p:last-child {
        margin-bottom: 0;
    }
    .inline-block {
        display: inline-block;
    }
    .st-report-txt a {
        text-decoration: underline;
        color: inherit;
        text-decoration-color: rgba(196, 222, 255, 0.3);
        transition: all 0.2s;
    }
    .st-report-txt a:hover {
        text-decoration-color: #fff;
    }
    .badge-table td img {
        max-height: 40px;
        border-radius: 8px;
    }
    /* ---------- FAQ ---------- */
    .faq-section {
        padding: var(--spacing-section) 0 60px;
        position: relative;
    }
    .faq-list {
        max-width: 960px;
        margin: 20px auto 0;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .faq-card {
        border: 1px solid var(--border-glass);
        border-radius: 14px;
        overflow: hidden;
        transition: border-color 0.3s, background 0.3s;
        background: rgba(148, 178, 215, 0.08);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
    }
    .faq-card:hover {
        border-color: rgba(49, 220, 255, 0.24);
    }
    .faq-card summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 24px 28px;
        font-size: 15px;
        cursor: pointer;
    }
    .faq-card summary::-webkit-details-marker {
        display: none;
    }
    .faq-q {
        font-weight: 600;
        color: #d8e6ff;
        line-height: 1.6;
    }
    .faq-arrow {
        transition: transform 0.3s ease;
        color: var(--text-muted);
        font-size: 14px;
        width: 28px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(148, 178, 215, 0.15);
        flex-shrink: 0;
    }
    .faq-card[open] .faq-arrow {
        transform: rotate(180deg);
        background: var(--tech-blue);
        color: #fff;
    }
    .faq-a {
        color: #a5b8d5;
        line-height: 1.9;
        padding: 0 28px 24px 34px;
        font-size: 15px;
        border-left: 2px solid rgba(49, 220, 255, 0.4);
        margin-left: 28px;
        margin-right: 10px;
    }
    /* ---------- Response CTA ---------- */
    .response-section {
        padding: 20px 0 40px;
        position: relative;
    }
    .response-box {
        background: rgba(148, 178, 215, 0.08);
        border: 1px solid var(--border-glass);
        border-radius: 18px;
        padding: 48px 40px;
        position: relative;
        overflow: hidden;
        color: var(--text-primary);
    }
    .response-box .icon-circle {
        width: 60px;
        height: 60px;
        background: rgba(49, 220, 255, 0.28);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        margin-bottom: 20px;
        color: #fff;
        box-shadow: 0 0 28px rgba(49, 220, 255, 0.2);
    }
    .response-box h3 {
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 14px;
    }
    .response-box p {
        color: var(--text-secondary);
        font-size: 16px;
        line-height: 1.9;
        max-width: 800px;
    }
    .response-box .btn-row {
        margin-top: 28px;
        display: flex;
        align-items: center;
        gap: 18px;
        flex-wrap: wrap;
    }
    /* ---------- Buttons ---------- */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 50px;
        padding: 0 30px;
        background: linear-gradient(50deg, var(--tech-blue), var(--cyan-neon));
        border-radius: var(--radius-btn);
        font-weight: 700;
        font-size: 16px;
        color: #fff !important;
        box-shadow: 0 4px 16px rgba(49, 220, 255, 0.3), 0 14px 48px rgba(47, 123, 255, 0.25);
        border: none;
        cursor: pointer;
        transition: transform 0.25s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 22px rgba(49, 220, 255, 0.45), 0 18px 60px rgba(47, 123, 255, 0.3);
        color: #fff;
    }
    .btn-heat {
        background: var(--gradient-hot);
        color: #fff;
        box-shadow: 0 0 30px rgba(255, 77, 148, 0.3), 0 12px 40px rgba(122, 59, 255, 0.25);
    }
    .btn-heat:hover {
        box-shadow: 0 0 42px rgba(255, 77, 148, 0.5), 0 16px 56px rgba(122, 59, 255, 0.35);
    }
    .btn-ghost {
        background: transparent;
        border: 1px solid var(--b2);
        border-radius: var(--radius-btn);
        font-weight: 600;
        color: var(--text-primary);
        min-height: 46px;
        padding: 0 24px;
        transition: all 0.3s ease;
    }
    .btn-ghost:hover {
        border-color: var(--cyan-neon);
        color: #fff;
    }
    /* ---------- Sub Pages ---------- */
    .sub-pages {
        margin: 28px 0 0;
        padding: 28px 0 0;
        border-top: 1px solid rgba(196, 222, 255, 0.14);
    }
    .sub-pages h4 {
        font-size: 15px;
        color: var(--text-muted);
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1.2px;
        margin-bottom: 22px;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .sub-pages h4 i {
        color: var(--pink-hot);
    }
    .sub-pages ul {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 18px;
        margin-left: 0;
        list-style: none;
    }
    .sub-pages a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 14px 16px;
        border-radius: 14px;
        background: rgba(148, 178, 215, 0.08);
        color: var(--text-secondary);
        font-weight: 500;
        transition: all 0.3s;
        border: 1px solid transparent;
    }
    .sub-pages a i {
        color: var(--cyan-neon);
        transition: transform 0.3s ease;
        margin-left: auto;
    }
    .sub-pages a:hover {
        background: rgba(148, 178, 215, 0.15);
        border: 1px solid rgba(49, 220, 255, 0.15);
        transform: translateX(4px);
        color: #fff;
    }
    .sub-pages a:hover i {
        transform: translateX(4px);
        color: var(--cyan-neon);
    }
    .sub-pages a.is-page {
        margin-top: 4px;
    }
    /* ---------- Section Heading ---------- */
    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 48px;
    }
    .section-title {
        font-size: 32px;
        font-weight: 750;
        line-height: 1.3;
        text-align: center;
        margin: 0 auto 48px;
        position: relative;
    }
    .section-accent {
        color: #8fbff8;
        font-size: 14px;
        letter-spacing: 1px;
        text-transform: uppercase;
        display: block;
        margin-bottom: 12px;
        text-align: center;
    }
    .section-title i {
        color: var(--pink-hot);
    }
    /* Footer */
    .site-footer {
        background: #060B18;
        margin-top: 40px;
        padding: 64px 0 30px;
        border-top: 1px solid rgba(196, 222, 255, 0.1);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr repeat(3, 1fr);
        gap: 40px;
        margin-bottom: 48px;
    }
    .site-footer .footer-brand h2 {
        font-size: 26px;
        font-weight: 800;
        margin-bottom: 8px;
    }
    .site-footer .footer-brand h2 i {
        color: var(--cyan-neon);
        margin-right: 4px;
    }
    .site-footer .footer-brand p {
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.9;
        margin: 12px 0 20px;
        max-width: 340px;
    }
    .footer-brand .brand {
        font-size: 24px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 4px;
    }
    .footer-social {
        display: flex;
        gap: 12px;
        margin-top: 16px;
    }
    .footer-social a {
        display: flex;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: rgba(148, 178, 215, 0.15);
        color: var(--text-secondary);
        border: 1px solid rgba(148, 178, 215, 0.18);
        transition: all 0.35s;
    }
    .footer-social a:hover {
        background: rgba(49, 220, 255, 0.18);
        color: #fff;
        border-color: rgba(49, 220, 255, 0.5);
    }
    .footer-col h4 {
        color: var(--text-primary);
        font-size: 15px;
        font-weight: 750;
        margin-bottom: 24px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col ul li {
        margin: 0;
        padding: 0;
    }
    .site-footer a {
        color: var(--text-muted);
        text-decoration: none;
        transition: all 0.3s;
        font-size: 15px;
    }
    .site-footer a:hover {
        color: #fff;
        padding-left: 4px;
    }
    .site-footer a i {
        font-size: 12px;
        margin-right: 6px;
        color: var(--text-muted);
        transition: color 0.3s, transform 0.3s;
    }
    .site-footer a:hover i {
        color: var(--cyan-neon);
        transform: translateX(2px);
    }
    .footer-line {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding-top: 28px;
        border-top: 1px solid rgba(151, 174, 208, 0.28);
        color: #64758f;
        font-size: 14px;
        flex-wrap: wrap;
        margin-top: 48px;
    }
    .u-text-center {
        text-align: center;
    }
    .u-text-right {
        text-align: right;
    }
    .u-position-relative {
        position: relative;
    }
    .u-overflow-hidden {
        overflow: hidden;
    }
    .list-unstyled {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    /* ---------- Foundation Adjust ---------- */
    .grid-container {
        max-width: 1264px;
        padding: 0 24px;
    }
    /* ---------- Mobile Nav ---------- */
    @media screen and (max-width: 900px) {
        .site-header,
        .site-header.is-scrolled {
            height: auto;
            min-height: 64px;
        }
        .navbar {
            flex-wrap: wrap;
            padding: 10px 0;
            position: relative;
        }
        .site-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 13, 31, 0.96);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 999;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 16px;
            width: 100%;
            height: 100vh;
        }
        .site-nav.is-open {
            display: flex;
        }
        .site-nav .nav-link {
            font-size: 18px;
            padding: 12px 28px;
        }
        .site-nav .nav-cta {
            margin-top: 16px;
            height: 54px;
            padding: 0 40px;
            justify-content: center;
        }
        .nav-toggle {
            display: flex;
            margin-left: auto;
        }
        .site-nav .nav-cta {
            width: 240px;
        }
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .footer-brand {
            grid-column: 1 / -1;
        }
        .sticky-wrap {
            grid-template-columns: 1fr;
        }
        .cat-guide {
            position: static;
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            border-radius: 18px;
        }
        .cat-guide-title {
            width: 100%;
        }
        .cat-guide a {
            margin-bottom: 0;
            font-size: 15px;
            padding: 8px 14px;
        }
        .hot-cards {
            grid-template-columns: repeat(2, 1fr);
        }
        .cat-hero-inner {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .cat-hero-title-desc {
            border-left: 3px solid var(--cyan-neon);
            padding-left: 16px;
            margin-left: 0;
        }
    }
    @media screen and (max-width: 640px) {
        .container,
        .grid-container {
            padding-left: 18px;
            padding-right: 18px;
        }
        .site-header {
            height: 64px;
        }
        .site-header .brand {
            font-size: 20px;
        }
        .site-header .brand i {
            font-size: 16px;
        }
        .site-header .nav-cta {
            margin-left: auto;
            margin-right: 0;
            height: 38px;
            padding: 0 16px;
            font-size: 14px;
        }
        .site-header .nav-cta span {
            display: none;
        }
        .cat-hero {
            padding-top: 120px;
        }
        .cat-hero h1 {
            font-size: 36px;
        }
        .cat-hero-desc {
            font-size: 15px;
        }
        .content-block {
            padding: 24px 18px 32px;
        }
        .content-block h2 {
            font-size: 24px;
        }
        .content-block h3 {
            font-size: 18px;
        }
        .hot-cards {
            grid-template-columns: 1fr;
        }
        .cat-guide a {
            flex: 0 0 auto;
            max-width: 100%;
        }
        .cat-guide {
            margin-bottom: 8px;
        }
        .view-controls {
            display: none;
        }
        .rank-card {
            flex-direction: column;
            gap: 10px;
        }
        .row-section {
            grid-template-columns: 1fr;
            gap: 10px;
        }
        .content-divider {
            flex-direction: column;
            align-items: flex-start;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-brand {
            grid-column: auto;
        }
        .footer-line {
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 12px;
        }
        .footer-line span:last-child {
            font-size: 12px;
        }
        .response-box {
            padding: 32px 24px;
        }
        .sub-pages ul {
            grid-template-columns: 1fr;
        }
        .str-item {
            flex-direction: column;
            gap: 10px;
        }
        .rank-num {
            font-size: 30px;
            justify-content: flex-start;
            width: fit-content;
        }
        .badge-table td,
        .badge-table th {
            font-size: 13px;
        }
        .badge-table .badge-table-desc {
            font-size: 12px;
        }
        .btn-row .btn-primary,
        .btn-row .btn-ghost {
            width: 100%;
            justify-content: center;
        }
        .trend-line-item {
            flex-direction: column;
            gap: 10px;
        }
        .sticky-wrap {
            display: grid;
            grid-template-columns: 1fr;
        }
        .cat-guide {
            top: auto;
            position: relative;
            display: none;
        }
    }
    @media screen and (max-width: 380px) {
        .nav-cta i {
            display: none;
        }
    }

/* roulang page: article */
:root {
  --bg-deep: #060D1F;
  --bg-main: #0A142C;
  --bg-panel: rgba(148, 178, 215, 0.08);
  --bg-hover: rgba(148, 178, 215, 0.15);
  --border-glass: rgba(196, 222, 255, 0.2);
  --border-glow: rgba(93, 210, 255, 0.45);
  --tech-blue: #2F7BFF;
  --cyan-neon: #31DCFF;
  --pink-hot: #FF4D94;
  --purple-hot: #7A3BFF;
  --text-primary: #EAF2FF;
  --text-secondary: #AEC4E0;
  --text-muted: #7D93B5;
  --radius-card: 24px;
  --radius-media: 18px;
  --radius-btn: 48px;
  --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.45);
  --container-w: 1264px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

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

a:hover {
  color: #ffffff;
}

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

.grid-container {
  max-width: var(--container-w);
  padding-left: clamp(18px, 4vw, 38px);
  padding-right: clamp(18px, 4vw, 38px);
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: clamp(18px, 4vw, 38px);
  padding-right: clamp(18px, 4vw, 38px);
}

/* 顶部导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 78px;
  z-index: 999;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  background: rgba(6, 13, 31, 0.76);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom-color: rgba(196, 222, 255, 0.1);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.header-inner {
  display: flex;
  align-items: center;
  max-width: var(--container-w);
  height: 78px;
  margin: 0 auto;
  padding-left: clamp(18px, 4vw, 38px);
  padding-right: clamp(18px, 4vw, 38px);
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand i {
  color: var(--cyan-neon);
  font-size: 18px;
  filter: drop-shadow(0 0 8px rgba(49, 220, 255, 0.45));
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  border-radius: 48px;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  background: transparent;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(47, 123, 255, 0.16);
}

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

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 18px;
  height: 2px;
  border-radius: 4px;
  background: var(--cyan-neon);
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(49, 220, 255, 0.7);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 24px;
  border-radius: 48px;
  background: linear-gradient(135deg, var(--tech-blue), var(--cyan-neon));
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 8px 28px rgba(47, 123, 255, 0.32), 0 2px 8px rgba(49, 220, 255, 0.14);
}

.nav-cta:hover {
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(47, 123, 255, 0.42), 0 0 22px rgba(49, 220, 255, 0.22);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border-radius: 40px;
  background: rgba(148, 178, 215, 0.08);
  border: 1px solid rgba(196, 222, 255, 0.16);
  color: #ffffff;
  font-size: 18px;
  cursor: pointer;
}

/* 文章主视觉 */
.article-main {
  position: relative;
  overflow: hidden;
}

.article-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 780px;
  height: 560px;
  transform: translateX(-30%);
  background: radial-gradient(circle, rgba(47, 123, 255, 0.2) 0%, rgba(49, 220, 255, 0.08) 30%, transparent 68%);
  pointer-events: none;
}

.article-hero {
  position: relative;
  padding: 154px 0 58px;
  background:
    linear-gradient(180deg, rgba(6, 13, 31, 0.82) 0%, rgba(6, 13, 31, 0.56) 60%, var(--bg-deep) 100%),
    linear-gradient(120deg, rgba(47, 123, 255, 0.18) 0%, transparent 44%),
    url('/assets/images/backpic/back-2.webp') center 30% / cover no-repeat;
  border-bottom: 1px solid rgba(196, 222, 255, 0.12);
}

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

.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.crumb a {
  color: var(--text-secondary);
}

.crumb a:hover {
  color: var(--cyan-neon);
}

.crumb i {
  font-size: 10px;
  color: var(--text-muted);
}

.crumb-current {
  color: var(--text-secondary);
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.article-heading-main {
  max-width: 900px;
}

.type-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 48px;
  background: rgba(49, 220, 255, 0.1);
  border: 1px solid rgba(49, 220, 255, 0.24);
  color: var(--cyan-neon);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 0 18px rgba(49, 220, 255, 0.1);
}

.article-hero h1 {
  margin: 18px 0 0;
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 800;
  line-height: 1.16;
  color: #ffffff;
  letter-spacing: 0.01em;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.article-lede {
  margin: 20px 0 0;
  max-width: 860px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.85;
}

.article-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 11px 20px;
  margin-top: 22px;
  color: var(--text-muted);
  font-size: 14px;
}

.article-meta-line i {
  color: var(--cyan-neon);
  margin-right: 5px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.article-tags .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 13px;
  border-radius: 48px;
  background: rgba(148, 178, 215, 0.1);
  border: 1px solid rgba(196, 222, 255, 0.14);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.back-to-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 11px 20px;
  border-radius: 48px;
  background: transparent;
  border: 1px solid rgba(196, 222, 255, 0.3);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: 0.2s ease;
}

.back-to-cat:hover {
  color: #ffffff;
  border-color: rgba(49, 220, 255, 0.6);
  background: rgba(49, 220, 255, 0.08);
}

/* 正文区域 */
.article-content-section {
  position: relative;
  padding: clamp(44px, 7vw, 86px) 0 clamp(42px, 6vw, 72px);
}

.article-panel {
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  background: linear-gradient(160deg, rgba(126, 156, 205, 0.14), rgba(126, 156, 205, 0.04));
  border: 1px solid var(--border-glass);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-card);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  padding: clamp(24px, 5vw, 46px);
  box-shadow: var(--shadow-card);
}

.article-inner {
  max-width: 760px;
  margin: 0 auto;
}

.cms-content {
  color: var(--text-primary);
  font-size: 19px;
  line-height: 1.9;
  overflow-wrap: break-word;
}

.cms-content > *:first-child {
  margin-top: 0;
}

.cms-content h2 {
  margin: 52px 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-neon);
  font-size: 27px;
  font-weight: 750;
  line-height: 1.35;
  color: #ffffff;
}

.cms-content h3 {
  margin: 42px 0 14px;
  font-size: 23px;
  font-weight: 700;
  color: #ffffff;
}

.cms-content h4 {
  margin: 32px 0 12px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
}

.cms-content p {
  margin: 0 0 22px;
}

.cms-content a {
  color: var(--cyan-neon);
  border-bottom: 1px solid rgba(49, 220, 255, 0.45);
}

.cms-content a:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.cms-content ul,
.cms-content ol {
  margin: 0 0 24px;
  padding-left: 22px;
}

.cms-content li {
  margin-bottom: 10px;
}

.cms-content blockquote {
  margin: 34px 0;
  padding: 22px 26px;
  background: rgba(49, 220, 255, 0.06);
  border: 1px solid rgba(49, 220, 255, 0.16);
  border-left: 3px solid var(--cyan-neon);
  border-radius: 0 18px 18px 0;
  color: var(--text-secondary);
}

.cms-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-media);
  margin: 28px 0;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
}

.cms-content pre {
  margin: 28px 0;
  padding: 22px 24px;
  border-radius: 18px;
  background: rgba(2, 8, 20, 0.85);
  border: 1px solid rgba(196, 222, 255, 0.14);
  color: #d9e9ff;
  overflow-x: auto;
  font-size: 15px;
  line-height: 1.7;
}

.cms-content code {
  border-radius: 7px;
}

.cms-content table {
  width: 100%;
  margin: 30px 0;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid rgba(196, 222, 255, 0.16);
  border-radius: 14px;
  overflow: hidden;
}

.cms-content th {
  padding: 14px 16px;
  background: rgba(47, 123, 255, 0.16);
  color: #ffffff;
  font-weight: 700;
  text-align: left;
  border-bottom: 1px solid rgba(196, 222, 255, 0.16);
}

.cms-content td {
  padding: 14px 16px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(196, 222, 255, 0.09);
}

.cms-content tr:last-child td {
  border-bottom: none;
}

/* 文末 CTA */
.article-cta {
  margin-top: 52px;
  padding: 34px clamp(20px, 5vw, 42px);
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(47, 123, 255, 0.18), rgba(49, 220, 255, 0.08));
  border: 1px solid rgba(49, 220, 255, 0.24);
  position: relative;
  overflow: hidden;
}

.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(49, 220, 255, 0.12), transparent 58%);
  pointer-events: none;
}

.article-cta strong {
  display: block;
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
}

.article-cta p {
  margin: 10px auto 20px;
  max-width: 480px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 48px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-hot {
  background: linear-gradient(135deg, var(--pink-hot), var(--purple-hot));
  color: #ffffff;
  box-shadow: 0 10px 38px rgba(255, 77, 148, 0.32), 0 0 22px rgba(255, 77, 148, 0.15);
  animation: btnPulse 2.2s infinite ease-in-out;
}

.btn-hot:hover {
  color: #ffffff;
  box-shadow: 0 16px 50px rgba(255, 77, 148, 0.46), 0 0 28px rgba(255, 77, 148, 0.22);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.btn-ghost:hover {
  border-color: var(--cyan-neon);
  background: rgba(49, 220, 255, 0.08);
  color: #ffffff;
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: 0 10px 38px rgba(255, 77, 148, 0.28), 0 0 16px rgba(255, 77, 148, 0.12);
  }
  50% {
    box-shadow: 0 14px 46px rgba(255, 77, 148, 0.42), 0 0 30px rgba(255, 77, 148, 0.22);
  }
}

/* 相关推荐 */
.related-block {
  margin-top: 52px;
}

.related-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.related-title h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 750;
  color: #ffffff;
}

.related-title::before {
  content: "";
  width: 4px;
  height: 22px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--cyan-neon), var(--tech-blue));
}

.rel-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(6, 13, 31, 0.5);
  border: 1px solid rgba(196, 222, 255, 0.12);
  transition: all 0.25s ease;
}

.rel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(49, 220, 255, 0.4);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.34), 0 0 24px rgba(49, 220, 255, 0.1);
}

.rel-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(47, 123, 255, 0.2), rgba(20, 32, 58, 0.6));
}

.rel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.rel-card:hover .rel-cover img {
  transform: scale(1.06);
}

.rel-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 13, 31, 0), rgba(6, 13, 31, 0.5));
}

.rel-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 18px 20px;
}

.rel-body h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.4;
}

.rel-body p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rel-link {
  margin-top: auto;
  padding-top: 14px;
  color: var(--cyan-neon);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 底部返回 */
.article-bottom-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin-top: 44px;
}

.article-bottom-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
}

.article-bottom-links a:hover {
  color: var(--cyan-neon);
}

/* 空态 */
.not-found-main {
  min-height: 66vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 150px 20px 60px;
  position: relative;
}

.not-found-box {
  text-align: center;
  max-width: 560px;
  padding: clamp(30px, 5vw, 54px);
  background: linear-gradient(160deg, rgba(148, 178, 215, 0.09), rgba(148, 178, 215, 0.03));
  border: 1px solid rgba(196, 222, 255, 0.14);
  border-radius: 28px;
  backdrop-filter: blur(14px);
}

.not-found-box .empty-icon {
  font-size: 34px;
  color: var(--cyan-neon);
  margin-bottom: 18px;
}

.not-found-box p {
  color: var(--text-secondary);
  margin: 10px 0 24px;
}

.not-found-box a {
  color: #ffffff;
}

/* 页脚 */
.site-footer {
  background: #040a18;
  border-top: 1px solid rgba(196, 222, 255, 0.09);
  padding: 72px 0 0;
  position: relative;
  z-index: 5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 54px;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .brand {
  font-size: 21px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 18px 0 0;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 40px;
  border: 1px solid rgba(196, 222, 255, 0.16);
  color: var(--text-muted);
  font-size: 15px;
  transition: 0.2s ease;
}

.footer-social a:hover {
  color: var(--cyan-neon);
  border-color: rgba(49, 220, 255, 0.5);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 18px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: 14px;
}

.footer-col a i {
  font-size: 10px;
  color: rgba(49, 220, 255, 0.55);
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 22px 0;
  border-top: 1px solid rgba(196, 222, 255, 0.07);
  color: var(--text-muted);
  font-size: 13px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .nav-link {
    padding: 6px 12px;
    font-size: 15px;
  }

  .nav-cta {
    padding: 0 18px;
  }

  .header-inner {
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .site-header,
  .header-inner {
    height: 64px;
  }

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

  .site-nav {
    position: fixed;
    top: 64px;
    right: 0;
    left: 0;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 22px 20px 28px;
    background: rgba(6, 13, 31, 0.98);
    border-bottom: 1px solid rgba(196, 222, 255, 0.14);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

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

  .site-nav .nav-link {
    font-size: 17px;
    padding: 14px 16px;
    border-radius: 16px;
    justify-content: flex-start;
  }

  .nav-link.is-active::after {
    left: 18px;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    margin-left: 0;
  }

  .article-hero {
    padding-top: 120px;
    padding-bottom: 40px;
  }

  .article-heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .article-content-section {
    padding-top: 40px;
  }

  .article-panel {
    padding: 20px;
  }

  .article-inner {
    font-size: 17px;
  }

  .cms-content {
    font-size: 17px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 19px;
  }

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

  .article-hero h1 {
    font-size: 32px;
  }

  .article-lede {
    font-size: 16px;
  }

  .crumb {
    font-size: 13px;
  }

  .crumb-current {
    max-width: 180px;
  }

  .cms-content {
    font-size: 16px;
  }

  .cms-content h2 {
    font-size: 23px;
  }

  .cms-content h3 {
    font-size: 20px;
  }

  .article-cta strong {
    font-size: 20px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

/* roulang page: category2 */
:root {
  --bg-deep: #060D1F;
  --bg-main: #0A142C;
  --bg-panel: rgba(148, 178, 215, 0.08);
  --bg-hover: rgba(148, 178, 215, 0.15);
  --border-glass: rgba(196, 222, 255, 0.2);
  --border-glow: rgba(93, 210, 255, 0.45);
  --tech-blue: #2F7BFF;
  --cyan-neon: #31DCFF;
  --pink-hot: #FF4D94;
  --text-primary: #EAF2FF;
  --text-secondary: #AEC4E0;
  --text-muted: #7D93B5;
  --grad-primary: linear-gradient(135deg, #2F7BFF, #31DCFF);
  --grad-hot: linear-gradient(135deg, #FF4D94, #7A3BFF);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --radius-pill: 48px;
  --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.45);
  --section-gap: clamp(64px, 8vw, 112px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 8%, rgba(47, 123, 255, 0.22), transparent 38%),
    radial-gradient(circle at 88% 22%, rgba(49, 220, 255, 0.10), transparent 32%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  opacity: 0.18;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  position: relative;
  z-index: 2;
  max-width: 1264px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 32px);
  width: 100%;
}

.main-wrap {
  position: relative;
  z-index: 1;
}

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

h1,
h2,
h3,
h4 {
  color: var(--text-primary);
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 2000;
  background: var(--text-primary);
  color: var(--bg-deep);
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 14px;
}

::selection {
  background: rgba(49, 220, 255, 0.3);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan-neon);
  outline-offset: 3px;
  border-radius: 8px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: 78px;
  background: rgba(6, 13, 31, 0.38);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(6, 13, 31, 0.78);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom-color: rgba(148, 178, 215, 0.12);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.32);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--grad-primary);
  color: #fff;
  font-size: 15px;
  box-shadow: 0 8px 22px rgba(47, 123, 255, 0.36);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.nav-link:hover {
  background: rgba(47, 123, 255, 0.16);
  color: #fff;
}

.nav-link.is-active {
  background: rgba(47, 123, 255, 0.14);
  color: #fff;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan-neon);
  box-shadow: 0 0 12px rgba(49, 220, 255, 0.75);
}

.nav-mobile-cta {
  display: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  border: 1px solid rgba(148, 178, 215, 0.22);
  border-radius: 14px;
  background: rgba(148, 178, 215, 0.08);
  color: var(--text-primary);
  font-size: 20px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.menu-toggle:hover {
  border-color: var(--border-glow);
  background: rgba(148, 178, 215, 0.15);
}

.header-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  border: 0;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn i {
  font-size: 15px;
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 10px 28px rgba(47, 123, 255, 0.25), 0 22px 50px rgba(49, 220, 255, 0.12);
}

.btn-primary:hover {
  transform: translateY(-2px);
  color: #fff;
  filter: brightness(1.08);
  box-shadow: 0 16px 38px rgba(47, 123, 255, 0.34), 0 26px 60px rgba(49, 220, 255, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  border-color: var(--cyan-neon);
  color: #fff;
}

.btn-hot {
  background: var(--grad-hot);
  color: #fff;
  box-shadow: 0 12px 32px rgba(255, 77, 148, 0.35), 0 24px 60px rgba(122, 59, 255, 0.22);
  animation: hotPulse 2.6s ease-in-out infinite;
}

.btn-hot:hover {
  transform: translateY(-2px) scale(1.02);
  color: #fff;
  filter: brightness(1.06);
  box-shadow: 0 18px 42px rgba(255, 77, 148, 0.42), 0 30px 70px rgba(122, 59, 255, 0.28);
}

@keyframes hotPulse {
  0%, 100% {
    box-shadow: 0 10px 26px rgba(255, 77, 148, 0.3), 0 20px 44px rgba(122, 59, 255, 0.2);
  }
  50% {
    box-shadow: 0 14px 38px rgba(255, 77, 148, 0.5), 0 28px 66px rgba(122, 59, 255, 0.3);
  }
}

.category-hero {
  position: relative;
  padding: clamp(128px, 17vw, 180px) 0 clamp(38px, 5vw, 60px);
  overflow: hidden;
}

.category-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  opacity: 0.3;
  transform: scale(1.04);
}

.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(6, 13, 31, 0.94) 0%, rgba(6, 13, 31, 0.78) 45%, rgba(6, 13, 31, 0.36) 100%),
    linear-gradient(180deg, rgba(6, 13, 31, 0.1), rgba(6, 13, 31, 0.78));
}

.category-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 18%;
  z-index: 1;
  width: 2px;
  height: 90%;
  background: linear-gradient(transparent, rgba(49, 220, 255, 0.5), transparent);
  filter: blur(0.4px);
  opacity: 0.4;
}

.hero-ct {
  position: relative;
  z-index: 3;
  max-width: 880px;
}

.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.crumb a {
  color: var(--text-secondary);
}

.crumb a:hover {
  color: var(--cyan-neon);
}

.crumb .crumb-current {
  color: var(--text-primary);
}

.cat-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 28px;
  padding: 0 12px;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(49, 220, 255, 0.35);
  background: rgba(49, 220, 255, 0.08);
  color: var(--cyan-neon);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.category-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  margin: 0 0 22px;
}

.category-hero h1 .brand-accent {
  color: var(--cyan-neon);
}

.hero-lead {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(148, 178, 215, 0.08);
  border: 1px solid rgba(196, 222, 255, 0.16);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

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

.category-main {
  background: rgba(10, 20, 44, 0.5);
}

.category-main .container {
  padding-top: clamp(54px, 7vw, 88px);
  padding-bottom: clamp(64px, 8vw, 104px);
}

.sidebar-real {
  position: sticky;
  top: 118px;
}

.sticky-dir {
  background: linear-gradient(180deg, rgba(126, 156, 205, 0.14), rgba(126, 156, 205, 0.04));
  border: 1px solid rgba(196, 222, 255, 0.16);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.dir-label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.dir-label i {
  color: var(--cyan-neon);
}

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

.dir-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.dir-link i {
  font-size: 11px;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.dir-link:hover,
.dir-link.is-current {
  background: rgba(47, 123, 255, 0.16);
  color: #fff;
}

.dir-link:hover i,
.dir-link.is-current i {
  opacity: 1;
  transform: translateX(3px);
}

.dir-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 13px 16px;
  border-radius: var(--radius-pill);
  background: rgba(49, 220, 255, 0.12);
  border: 1px solid rgba(49, 220, 255, 0.28);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.dir-cta:hover {
  background: rgba(49, 220, 255, 0.2);
  border-color: var(--cyan-neon);
  color: #fff;
}

.z-block {
  margin-bottom: clamp(48px, 6vw, 82px);
}

.z-block:last-child {
  margin-bottom: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--cyan-neon);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.block-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.block-head h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 750;
  margin: 14px 0 14px;
  letter-spacing: -0.02em;
}

.block-desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 0;
  max-width: 68ch;
}

.time-stage {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(24px, 4vw, 50px);
  align-items: start;
}

.time-list {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 26px;
  border-left: 1px solid rgba(49, 220, 255, 0.22);
}

.time-item {
  position: relative;
  padding: 0 0 34px 28px;
}

.time-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 7px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--cyan-neon);
  box-shadow: 0 0 14px rgba(49, 220, 255, 0.6);
}

.time-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.time-code {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-primary);
}

.time-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 77, 148, 0.12);
  border: 1px solid rgba(255, 77, 148, 0.3);
  color: #ff9bbf;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pink-hot);
  box-shadow: 0 0 8px rgba(255, 77, 148, 0.8);
  animation: liveDot 1.5s ease-in-out infinite;
}

@keyframes liveDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

.time-item h3 {
  font-size: 22px;
  font-weight: 650;
  margin-bottom: 6px;
}

.time-item p {
  font-size: 15.5px;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 44ch;
}

.time-figure,
.scene-figure,
.interact-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(196, 222, 255, 0.12);
  box-shadow: var(--shadow-card);
}

.time-figure {
  aspect-ratio: 3 / 3.8;
  background: rgba(148, 178, 215, 0.08);
}

.time-figure img,
.scene-figure img,
.interact-figure img,
.hot-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.interact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: center;
}

.interact-figure {
  aspect-ratio: 3 / 3.4;
}

.interact-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.interact-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 20px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(126, 156, 205, 0.12), rgba(126, 156, 205, 0.03));
  border: 1px solid rgba(196, 222, 255, 0.12);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.interact-item:hover {
  transform: translateY(-2px);
  border-color: rgba(49, 220, 255, 0.35);
  box-shadow: 0 18px 60px rgba(49, 220, 255, 0.08);
}

.item-icon {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(49, 220, 255, 0.12);
  color: var(--cyan-neon);
  font-size: 17px;
  box-shadow: inset 0 0 0 1px rgba(49, 220, 255, 0.15);
}

.interact-item h3 {
  font-size: 18px;
  font-weight: 650;
  margin-bottom: 4px;
}

.interact-item p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 0;
}

.mini-tip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 18px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(148, 178, 215, 0.06);
}

.mini-tip i {
  color: var(--cyan-neon);
  margin-top: 4px;
}

.guide-note {
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 16px;
}

.step-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 6px;
}

.step-card {
  position: relative;
  padding: 24px 22px 28px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(126, 156, 205, 0.13), rgba(126, 156, 205, 0.04));
  border: 1px solid rgba(196, 222, 255, 0.16);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(49, 220, 255, 0.4);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5), 0 18px 60px rgba(49, 220, 255, 0.08);
}

.step-num {
  display: inline-flex;
  align-items: center;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--cyan-neon);
  opacity: 0.9;
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 650;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 32ch;
}

.divider-glass {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 16px 0 54px;
  padding: 22px 26px;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, rgba(49, 220, 255, 0.09), rgba(47, 123, 255, 0.08), rgba(255, 77, 148, 0.06));
  border: 1px solid rgba(196, 222, 255, 0.2);
  border-left: 4px solid var(--cyan-neon);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
}

.divider-glass p {
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px;
}

.divider-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.hot-scroller {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 22px;
  scroll-snap-type: x mandatory;
  mask-image: linear-gradient(90deg, transparent 0, #000 3%, #000 97%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 3%, #000 97%, transparent 100%);
}

.hot-scroller::-webkit-scrollbar {
  display: none;
}

.hot-card {
  position: relative;
  flex: 0 0 236px;
  scroll-snap-align: start;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(196, 222, 255, 0.18);
  background: rgba(148, 178, 215, 0.08);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.hot-card:hover {
  transform: translateY(-6px);
  border-color: rgba(49, 220, 255, 0.42);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5), 0 18px 60px rgba(49, 220, 255, 0.1);
}

.hot-figure {
  position: relative;
  aspect-ratio: 3 / 3.6;
  margin: 0;
  overflow: hidden;
}

.hot-figure img {
  transition: transform 0.4s ease;
}

.hot-card:hover .hot-figure img {
  transform: scale(1.05);
}

.hot-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(6, 13, 31, 0.82) 100%);
}

.hot-type {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  background: rgba(6, 13, 31, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.hot-type i {
  color: var(--cyan-neon);
}

.hot-caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 2;
}

.hot-caption strong {
  display: block;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.hot-caption span {
  display: block;
  color: rgba(234, 242, 255, 0.78);
  font-size: 13px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(126, 156, 205, 0.11), rgba(126, 156, 205, 0.03));
  border: 1px solid rgba(196, 222, 255, 0.15);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(49, 220, 255, 0.3);
}

.faq-item.is-open {
  border-color: rgba(49, 220, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(49, 220, 255, 0.18), 0 18px 60px rgba(49, 220, 255, 0.08);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 24px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.faq-q i {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(49, 220, 255, 0.25);
  color: var(--cyan-neon);
  font-size: 15px;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-item.is-open .faq-q i {
  transform: rotate(180deg);
  background: rgba(49, 220, 255, 0.12);
}

.faq-a {
  display: none;
  padding: 0 24px 20px 24px;
}

.faq-item.is-open .faq-a {
  display: block;
}

.faq-a p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 68ch;
}

.cta-zone {
  padding: 0 0 clamp(64px, 8vw, 110px);
}

.cta-box {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(47, 123, 255, 0.2), rgba(49, 220, 255, 0.07));
  border: 1px solid rgba(196, 222, 255, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.26);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: var(--shadow-card);
  padding: clamp(36px, 6vw, 66px) clamp(20px, 5vw, 70px);
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -70%;
  left: 30%;
  width: 1px;
  height: 220%;
  background: linear-gradient(transparent, rgba(49, 220, 255, 0.8), transparent);
  opacity: 0.4;
  transform: rotate(20deg);
}

.cta-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/coverpic/cover-10.webp') center / cover no-repeat;
  opacity: 0.09;
  z-index: 0;
}

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

.cta-box h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 30px;
}

.cta-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.cta-points i {
  color: var(--cyan-neon);
  margin-right: 4px;
}

.reverse-links {
  margin-top: clamp(40px, 5vw, 60px);
  padding: 26px 0 0;
  border-top: 1px solid rgba(196, 222, 255, 0.12);
}

.rev-label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.rev-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.rev-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: rgba(148, 178, 215, 0.06);
  border: 1px solid rgba(196, 222, 255, 0.14);
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
}

.rev-link:hover {
  border-color: rgba(49, 220, 255, 0.4);
  background: rgba(47, 123, 255, 0.1);
  color: #fff;
  transform: translateY(-2px);
}

.rev-link i {
  font-size: 13px;
  color: var(--cyan-neon);
}

.site-footer {
  background: #050B1A;
  border-top: 1px solid rgba(148, 178, 215, 0.12);
  padding-top: clamp(54px, 7vw, 84px);
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 44px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 40ch;
  margin: 16px 0 18px;
}

.footer-brand .brand {
  color: #fff;
}

.footer-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-social a {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(148, 178, 215, 0.08);
  border: 1px solid rgba(196, 222, 255, 0.14);
  color: var(--text-secondary);
  font-size: 15px;
}

.footer-social a:hover {
  color: var(--cyan-neon);
  border-color: rgba(49, 220, 255, 0.4);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #d9e9ff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 500;
}

.footer-col a i {
  font-size: 10px;
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

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

.footer-col a:hover i {
  color: var(--cyan-neon);
  transform: translateX(3px);
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(148, 178, 215, 0.12);
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .time-stage,
  .interact-layout {
    grid-template-columns: 1fr;
  }
  .time-figure,
  .interact-figure {
    max-width: 460px;
  }
  .step-track {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .site-header,
  .header-inner {
    height: 64px;
  }

  .header-inner {
    gap: 12px;
  }

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

  .header-cta {
    display: none;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(6, 13, 31, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px 18px 24px;
    border-bottom: 1px solid rgba(148, 178, 215, 0.14);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    z-index: 998;
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 13px 18px;
  }

  .nav-mobile-cta {
    display: flex;
    margin-top: 12px;
    width: 100%;
    justify-content: center;
  }

  .sidebar-col {
    display: none;
  }
}

@media (max-width: 768px) {
  .category-main .container {
    padding-top: 46px;
  }

  .z-block {
    margin-bottom: 48px;
  }

  .step-track {
    grid-template-columns: 1fr;
  }

  .divider-glass {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }

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

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

@media (max-width: 520px) {
  .brand {
    font-size: 19px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

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

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

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

  .footer-col h4 {
    margin-bottom: 12px;
  }

  .footer-line {
    flex-direction: column;
  }

  .category-hero {
    padding-top: 112px;
  }
}

/* roulang page: category3 */
:root {
  --bg-deep:#060D1F;
  --bg-main:#0A142C;
  --bg-panel:rgba(148,178,215,.08);
  --bg-hover:rgba(148,178,215,.15);
  --border-glass:rgba(196,222,255,.2);
  --border-glow:rgba(93,210,255,.45);
  --tech-blue:#2F7BFF;
  --cyan-neon:#31DCFF;
  --pink-hot:#FF4D94;
  --text-primary:#EAF2FF;
  --text-secondary:#AEC4E0;
  --text-muted:#7D93B5;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-pill:48px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --section-ypad:clamp(64px,8vw,112px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-base);background:var(--bg-deep);color:var(--text-primary);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
.grid-container{max-width:1264px}
section,footer{margin:0}
::selection{background:rgba(49,220,255,.25);color:#fff}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan-neon);outline-offset:3px;border-radius:6px}
.site-header{position:fixed;top:0;left:0;width:100%;height:78px;z-index:60;border-bottom:1px solid rgba(148,178,215,.12);transition:background .3s ease,backdrop-filter .3s ease,box-shadow .3s ease}
.site-header.is-scrolled{background:rgba(6,13,31,.72);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);box-shadow:0 8px 40px rgba(0,0,0,.28);border-color:rgba(148,178,215,.08)}
.site-header .header-row{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:.5px;color:var(--text-primary);line-height:1.2;white-space:nowrap}
.brand i{color:var(--cyan-neon);background:rgba(49,220,255,.1);width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;border:1px solid rgba(49,220,255,.25);box-shadow:0 0 18px rgba(49,220,255,.2)}
.site-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:38px;padding:6px 18px;border-radius:var(--radius-pill);font-weight:600;font-size:16px;color:var(--text-secondary);transition:all .25s ease;line-height:1.4}
.nav-link:hover{background:rgba(47,123,255,.16);color:#fff}
.nav-link::after{content:"";position:absolute;left:50%;bottom:3px;width:0;height:1.5px;transform:translateX(-50%);background:var(--cyan-neon);border-radius:2px;transition:width .25s ease}
.nav-link:hover::after,.nav-link.is-active::after{width:22px}
.nav-link.is-active{color:#fff;background:rgba(47,123,255,.16)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 26px;border-radius:var(--radius-pill);border:0;cursor:pointer;font-weight:700;font-size:16px;line-height:1.3;transition:all .26s ease;white-space:nowrap}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(120deg,var(--tech-blue),var(--cyan-neon));color:#fff;box-shadow:0 10px 30px rgba(47,123,255,.3);text-shadow:0 1px 2px rgba(0,0,0,.15)}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 14px 40px rgba(49,220,255,.28)}
.btn-hot{background:linear-gradient(120deg,var(--pink-hot),#7A3BFF);color:#fff;box-shadow:0 10px 34px rgba(255,77,148,.35);text-shadow:0 1px 3px rgba(0,0,0,.2)}
.btn-hot:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 44px rgba(255,77,148,.4)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:var(--text-primary)}
.btn-ghost:hover{border-color:var(--cyan-neon);color:#fff}
.btn-lg{min-height:54px;padding:14px 34px;font-size:17px}
.nav-cta{min-height:46px;padding:8px 22px;font-size:15px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;background:rgba(148,178,215,.08);border:1px solid rgba(196,222,255,.18);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--text-primary);transition:all .25s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.category-hero{position:relative;overflow:hidden;padding-top:148px;padding-bottom:72px;background-color:var(--bg-main);isolation:isolate}
.category-hero::before{content:"";position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;opacity:.5;transform:scale(1.02)}
.category-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(6,13,31,.97) 0%,rgba(6,13,31,.9) 45%,rgba(10,20,44,.5) 100%)}
.hero-inner{max-width:1264px;margin:0 auto;padding:0 20px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--radius-pill);background:rgba(49,220,255,.08);border:1px solid rgba(49,220,255,.25);color:var(--cyan-neon);font-size:13px;font-weight:600;margin-bottom:24px}
.hero-kicker i{font-size:12px}
.category-hero h1{font-size:54px;font-weight:800;line-height:1.12;color:var(--text-primary);max-width:860px;letter-spacing:.5px;text-shadow:0 4px 30px rgba(0,0,0,.3)}
.category-hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--cyan-neon),var(--tech-blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{margin-top:24px;font-size:19px;color:var(--text-secondary);max-width:640px;line-height:1.85;text-shadow:0 2px 16px rgba(0,0,0,.35)}
.hero-desc strong{color:var(--text-primary);font-weight:700}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:20px;color:var(--text-secondary);font-size:13px;font-weight:500}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--cyan-neon)}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:16px}
.hero-actions .btn-primary i,.hero-actions .btn-hot i{color:#fff}
.tool-strip{background:var(--bg-main);border-block:1px solid rgba(148,178,215,.08)}
.tool-strip .tool-row{display:flex;gap:12px;align-items:center;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.tool-strip .tool-row::-webkit-scrollbar{display:none}
.tool-chip{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:var(--radius-pill);background:rgba(148,178,215,.06);border:1px solid rgba(196,222,255,.14);font-size:13px;color:var(--text-secondary);font-weight:500}
.tool-chip i{color:var(--cyan-neon);font-size:12px}
.category-main{padding-top:clamp(56px,8vw,88px);padding-bottom:clamp(56px,8vw,88px)}
.toc-aside .sticky-wrap{position:sticky;top:110px}
.toc-card{background:linear-gradient(180deg,rgba(148,178,215,.12),rgba(148,178,215,.05));backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border:1px solid var(--border-glass);border-top:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:24px 20px;box-shadow:var(--shadow-card)}
.toc-card h2{font-size:14px;color:var(--text-muted);font-weight:650;letter-spacing:2px;padding-bottom:14px;border-bottom:1px solid rgba(148,178,215,.15)}
.toc-card ol{margin:14px 0 0;list-style:none}
.toc-card li{margin-bottom:4px}
.toc-card li a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;color:var(--text-secondary);font-weight:600;font-size:14px;line-height:1.45;transition:all .2s}
.toc-card li a i{width:16px;font-size:13px;color:var(--cyan-neon);opacity:.8}
.toc-card li a:hover{background:rgba(49,220,255,.09);color:#fff;padding-left:16px}
.toc-card li a.is-active{background:rgba(49,220,255,.1);color:#fff}
.content-col{padding-left:40px}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--cyan-neon);padding:6px 14px;border-radius:var(--radius-pill);background:rgba(49,220,255,.07);border:1px solid rgba(49,220,255,.16);letter-spacing:.5px}
.section-label i{font-size:12px}
.content-block{margin-bottom:70px}
.content-block h2{font-size:34px;font-weight:750;line-height:1.25;margin:14px 0 16px;letter-spacing:.2px}
.content-block h3{font-size:20px;font-weight:650;line-height:1.55;margin:28px 0 12px}
.lead-text{font-size:18px;line-height:1.85;color:var(--text-secondary);margin-bottom:18px;max-width:72ch}
.lead-text strong{color:#fff}
.tool-mod-list{margin-top:24px;border-top:1px solid rgba(148,178,215,.14)}
.mod-item{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:28px 4px;border-bottom:1px solid rgba(148,178,215,.14);transition:background .25s ease,border-color .25s}
.mod-item:hover{border-color:rgba(49,220,255,.35);background:rgba(148,178,215,.04);border-radius:16px}
.mod-icon{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,rgba(47,123,255,.22),rgba(49,220,255,.08));border:1px solid rgba(49,220,255,.22);display:flex;align-items:center;justify-content:center;color:var(--cyan-neon);font-size:22px;box-shadow:0 0 24px rgba(49,220,255,.08)}
.mod-content h3{font-size:20px;font-weight:680;margin:0 0 8px}
.mod-desc{color:var(--text-secondary);font-size:16px;line-height:1.8;max-width:72ch}
.mod-desc span.required{color:var(--text-muted);font-size:14px}
.tag-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;background:rgba(148,178,215,.08);border:1px solid rgba(196,222,255,.16);border-radius:var(--radius-pill);color:var(--text-secondary);font-size:12px;font-weight:500}
.tag i{color:var(--cyan-neon);font-size:11px}
.workflow-wrap{margin-top:30px}
.timeline-ticket{position:relative;margin:0}
.ticket-step{position:relative;display:flex;gap:28px;padding-bottom:38px}
.ticket-step:last-child{padding-bottom:10px}
.ticket-step::before{content:"";position:absolute;left:22px;top:54px;bottom:22px;width:1px;background:linear-gradient(180deg,rgba(49,220,255,.4),rgba(148,178,215,.1))}
.ticket-step:last-child::before{display:none}
.ticket-date{flex-shrink:0;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,rgba(47,123,255,.28),rgba(49,220,255,.1));border:1px solid rgba(49,220,255,.35);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--cyan-neon);box-shadow:0 0 24px rgba(49,220,255,.18)}
.ticket-body{flex:1;padding-top:4px}
.ticket-body h3{font-size:21px;font-weight:680;margin-bottom:10px}
.ticket-body p{color:var(--text-secondary);line-height:1.85;max-width:64ch}
.ticket-progress{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px}
.progress-label{font-size:13px;color:var(--text-secondary);font-weight:600}
.progress-bar{height:7px;width:210px;max-width:100%;border-radius:24px;background:rgba(148,178,215,.12);overflow:hidden}
.progress-bar span{display:block;height:100%;width:0%;border-radius:24px;background:linear-gradient(90deg,var(--tech-blue),var(--cyan-neon))}
.step-note{font-size:13px;color:var(--text-muted);line-height:1.7}
.step-note i{color:var(--cyan-neon);margin-right:4px}
.publish-block{margin-top:28px}
.publish-list{border-top:1px solid rgba(148,178,215,.13);margin-top:8px}
.publish-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid rgba(148,178,215,.13)}
.publish-time{display:flex;gap:12px;align-items:flex-start;color:var(--cyan-neon);font-weight:700;font-size:15px}
.publish-time i{margin-top:5px}
.publish-row .pub-title{font-weight:650;font-size:18px;margin-bottom:6px}
.publish-row .pub-text{color:var(--text-secondary);font-size:15px;line-height:1.8;max-width:60ch}
.mid-glass{position:relative;overflow:hidden;background:linear-gradient(120deg,rgba(47,123,255,.14),rgba(49,220,255,.05));border:1px solid rgba(49,220,255,.18);border-radius:24px;padding:56px 10vw;margin:0 0 72px;text-align:center;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.mid-glass::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(122,59,255,.14);filter:blur(60px);left:-30px;top:-60px}
.mid-glass::after{content:"";position:absolute;width:320px;height:180px;border-radius:50%;background:rgba(49,220,255,.09);filter:blur(50px);right:-30px;bottom:-40px}
.mid-glass h2{font-size:30px;line-height:1.4;font-weight:750;margin-bottom:12px}
.mid-glass p{color:var(--text-secondary);max-width:56ch;margin:0 auto 28px;line-height:1.85}
.mid-glass .btn{position:relative;z-index:2}
.glass-divider .btn-hot{animation:glowPulse 2.4s ease-in-out infinite}
@keyframes glowPulse{0%,100%{box-shadow:0 0 26px rgba(255,77,148,.36)}50%{box-shadow:0 0 44px rgba(255,77,148,.6)}}
.bottom-links{padding:60px 0;background:var(--bg-main);border-block:1px solid rgba(148,178,215,.1)}
.bottom-links h2{font-size:28px;font-weight:750;margin-bottom:8px}
.bottom-links .section-sub{color:var(--text-secondary);line-height:1.8;margin-bottom:28px;max-width:60ch}
.link-rows{display:flex;flex-direction:column;gap:12px}
.cross-link{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;border-radius:18px;background:rgba(148,178,215,.06);border:1px solid rgba(196,222,255,.12);transition:all .22s;color:var(--text-primary);font-weight:650}
.cross-link:hover{background:rgba(49,220,255,.08);border-color:rgba(49,220,255,.28);transform:translateX(6px);color:#fff}
.cross-link .link-info{display:flex;flex-direction:column;gap:2px}
.cross-link .link-info small{color:var(--text-muted);font-weight:400;font-size:13px;line-height:1.7}
.cross-link>i{color:var(--cyan-neon);font-size:16px;flex-shrink:0}
.faq-section{padding-top:0}
.faq-section h2{font-size:34px;font-weight:750;margin-bottom:22px;line-height:1.3}
.accordion{border-radius:20px;overflow:hidden;border:1px solid rgba(196,222,255,.1)}
.accordion-item{background:rgba(148,178,215,.04);border-bottom:1px solid rgba(196,222,255,.1);transition:background .2s}
.accordion-item:last-child{border-bottom:0}
.accordion-item:hover{background:rgba(148,178,215,.07)}
.accordion-title{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 24px;cursor:pointer;font-size:17px;font-weight:600;color:var(--text-primary);line-height:1.6;transition:color .2s}
.accordion-title:hover{color:#fff}
.accordion-title .fa-chevron-down{transition:transform .25s;sctransition:.25s;color:var(--cyan-neon)}
.accordion-title::after{content:"";display:none}
.accordion-content{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease,opacity .25s}
.accordion-content .acc-inner{padding-bottom:22px}
.accordion-content p{color:var(--text-secondary);line-height:1.85;max-width:72ch;font-size:15px}
.accordion-item.is-active>.accordion-content{max-height:560px;padding-top:4px}
.accordion-item.is-active .fa-chevron-down{transform:rotate(180deg)}
.accordion-item.is-active{border-left:2px solid var(--cyan-neon);background:rgba(49,220,255,.05)}
.quote-card{border-left:3px solid var(--cyan-neon);background:rgba(49,220,255,.04);padding:20px 24px;border-radius:0 14px 14px 0;margin:22px 0;color:var(--text-secondary);font-size:16px;line-height:1.85}
.quote-card strong{color:#fff}
.media-row{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid rgba(148,178,215,.12);align-items:center}
.media-row .media-img{width:180px;height:140px;border-radius:16px;object-fit:cover;object-position:center;border:1px solid rgba(196,222,255,.14);flex-shrink:0;background:linear-gradient(135deg,rgba(47,123,255,.18),rgba(148,178,215,.07))}
.media-row h3{font-size:20px;font-weight:700;margin-bottom:8px;line-height:1.5}
.media-row p{color:var(--text-secondary);font-size:15px;line-height:1.85}
.footer-cta-wrap{background:var(--bg-deep);padding-top:40px}
.site-footer{background:#050B18;border-top:1px solid rgba(148,178,215,.08);padding-top:64px;padding-bottom:32px}
.footer-grid{display:grid;grid-template-columns:2.1fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand .brand{font-size:20px;margin-bottom:16px}
.footer-brand p{color:var(--text-muted);font-size:14px;line-height:1.85;max-width:32ch;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:12px;background:rgba(148,178,215,.08);border:1px solid rgba(196,222,255,.12);color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:all .22s}
.footer-social a:hover{background:rgba(49,220,255,.1);color:var(--cyan-neon);border-color:rgba(49,220,255,.3);transform:translateY(-3px)}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{display:inline-flex;align-items:flex-start;gap:8px;color:var(--text-secondary);font-size:14px;line-height:1.7;transition:color .2s,padding-left .2s}
.footer-col a i{color:var(--cyan-neon);font-size:11px;margin-top:7px}
.footer-col a:hover{color:#fff;padding-left:5px}
.footer-line{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(148,178,215,.1);padding-top:20px;color:var(--text-muted);font-size:13px}
.footer-line a{color:var(--text-secondary)}
.footer-line a:hover{color:#fff}
@media(max-width:1200px){
  .content-col{padding-left:24px}
  .site-nav .nav-link{padding-left:14px;padding-right:14px;font-size:15px}
}
@media(max-width:1023px){
  .site-header,.site-header .header-row{height:64px}
  .category-hero{padding-top:120px;padding-bottom:56px}
  .site-nav{margin-left:0;position:fixed;left:0;right:0;top:64px;background:rgba(6,13,31,.96);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid rgba(196,222,255,.16);flex-direction:column;padding:24px 20px;align-items:flex-start;gap:10px;max-height:0;visibility:hidden;opacity:0;overflow:hidden;transition:max-height .35s ease,opacity .25s ease,padding .25s ease,visibility .25s;box-shadow:0 20px 40px rgba(0,0,0,.4)}
  body.nav-open .site-nav{max-height:calc(100vh - 64px);visibility:visible;opacity:1;padding-top:20px;padding-bottom:32px;overflow-y:auto}
  .site-nav .nav-link{width:100%;min-height:50px;font-size:17px;padding:8px 12px}
  .site-nav .nav-cta{width:100%;justify-content:center;margin-top:14px;display:inline-flex}
  .nav-toggle{display:flex}
  .header-actions .nav-cta{display:none}
  .category-hero h1{font-size:44px}
  .content-col{padding-left:0;margin-top:34px}
  .toc-aside .sticky-wrap{position:static}
  .toc-card{margin-bottom:16px}
  .media-row .media-img{width:150px;height:120px}
}
@media(max-width:767px){
  :root{--section-ypad:clamp(56px,10vw,80px)}
  .category-hero h1{font-size:36px}
  .hero-desc{font-size:16px}
  .hero-actions .btn{width:100%}
  .content-block h2{font-size:28px}
  .mod-item{grid-template-columns:52px 1fr;gap:16px;padding:22px 0}
  .mod-icon{width:48px;height:48px;font-size:18px;border-radius:14px}
  .ticket-step{gap:16px}
  .ticket-date{width:42px;height:42px;font-size:12px}
  .ticket-step::before{left:21px}
  .publish-row{grid-template-columns:1fr;gap:8px}
  .publish-time i{display:none}
  .mid-glass{padding:44px 22px}
  .mid-glass h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;padding-bottom:32px}
  .footer-brand{grid-column:span 2}
  .media-row{flex-direction:column;align-items:flex-start}
  .media-row .media-img{width:100%;height:auto;aspect-ratio:16/9}}
@media(max-width:520px){
  .brand{font-size:19px}
  .brand i{width:30px;height:30px;font-size:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
  .tool-chip{font-size:12px}
  .category-hero h1{font-size:32px}
  .hero-desc{font-size:15px}
  .cat-main{margin-top:8px}
  .accordion-title{padding:16px 18px;font-size:16px}
  .accordion-content{padding:0 18px}
  .link-rows .cross-link{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:10px}}

/* roulang page: category4 */
:root {
  --bg-deep: #060D1F;
  --bg-main: #0A142C;
  --bg-panel: rgba(148, 178, 215, 0.08);
  --bg-hover: rgba(148, 178, 215, 0.15);
  --border-glass: rgba(196, 222, 255, 0.2);
  --border-glow: rgba(93, 210, 255, 0.45);
  --tech-blue: #2F7BFF;
  --cyan-neon: #31DCFF;
  --pink-hot: #FF4D94;
  --purple-hot: #7A3BFF;
  --text-primary: #EAF2FF;
  --text-secondary: #AEC4E0;
  --text-muted: #7D93B5;
  --radius-hero: 24px;
  --radius-card: 18px;
  --radius-default: 12px;
  --radius-pill: 48px;
  --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-cyan: 0 18px 60px rgba(49,220,255,.12);
  --header-h: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-lock {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--cyan-neon);
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, background-color .25s ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan-neon);
  outline-offset: 4px;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--text-primary);
  line-height: 1.3;
}

h1 {
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
}

h2 {
  font-size: clamp(28px, 2.6vw, 34px);
  font-weight: 750;
  line-height: 1.25;
}

h3 {
  font-size: 22px;
  font-weight: 650;
}

p {
  margin: 12px 0;
  color: var(--text-secondary);
}

.grid-container {
  max-width: 81.25rem;
  padding-left: 22px;
  padding-right: 22px;
}

.container {
  width: min(1280px, 92%);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(6, 13, 31, 0.82);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom-color: rgba(196, 222, 255, 0.08);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.brand i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 12px;
  color: #021024;
  background: linear-gradient(135deg, var(--tech-blue), var(--cyan-neon));
  box-shadow: 0 0 20px rgba(49, 220, 255, 0.45);
}

.header-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  justify-content: flex-end;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  position: relative;
  padding: 10px 16px;
  border-radius: 40px;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 600;
  transition: background .25s ease, color .25s ease;
}

.nav-link:before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 1.5px;
  border-radius: 99px;
  background: var(--cyan-neon);
  box-shadow: 0 0 12px rgba(49, 220, 255, 0.8);
  opacity: 0;
  transform: scaleX(.3);
  transition: opacity .25s ease, transform .25s ease;
}

.nav-link:hover,
.nav-link:focus {
  color: #fff;
  background: rgba(47, 123, 255, 0.16);
}

.nav-link.is-active {
  color: #FFFFFF;
  background: rgba(47, 123, 255, 0.13);
}

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

.nav-action {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  border: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
  transition: filter .25s ease, transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}

.btn i {
  font-size: 15px;
}

.btn-blue {
  color: #fff;
  background: linear-gradient(120deg, var(--tech-blue), var(--cyan-neon));
  box-shadow: 0 8px 28px rgba(47, 123, 255, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.btn-blue:hover,
.btn-blue:focus {
  transform: translateY(-2px);
  filter: brightness(1.08);
  color: #fff;
}

.btn-hot {
  color: #fff;
  background: linear-gradient(120deg, var(--pink-hot), var(--purple-hot));
  box-shadow: 0 8px 30px rgba(255, 77, 148, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  animation: cta-pulse 2.6s infinite ease-in-out;
}

.btn-hot:hover,
.btn-hot:focus {
  color: #fff;
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-ghost {
  color: var(--text-primary);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: var(--cyan-neon);
  color: #fff;
  box-shadow: 0 0 22px rgba(49, 220, 255, 0.2);
}

.nav-cta {
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(196, 222, 255, 0.18);
  border-radius: 14px;
  background: rgba(148, 178, 215, 0.1);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span,
.nav-toggle span:before,
.nav-toggle span:after {
  content: "";
  width: 20px;
  height: 2px;
  border-radius: 3px;
  background: #fff;
  transition: all .3s ease;
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span:before {
  position: absolute;
  top: -6px;
  left: 0;
}

.nav-toggle span:after {
  position: absolute;
  top: 6px;
  left: 0;
}

.menu-open .nav-toggle span {
  background: transparent;
}

.menu-open .nav-toggle span:before {
  top: 0;
  transform: rotate(45deg);
}

.menu-open .nav-toggle span:after {
  top: 0;
  transform: rotate(-45deg);
}

.main-wrapper {
  padding-top: var(--header-h);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-300%);
  background: var(--tech-blue);
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  transition: transform .25s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Category hero */
.cat-hero {
  position: relative;
  border-bottom: 1px solid rgba(196, 222, 255, 0.12);
  overflow: hidden;
}

.cat-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 80% 15%, rgba(49, 220, 255, 0.16), transparent 36%),
    radial-gradient(ellipse at 18% 82%, rgba(47, 123, 255, 0.18), transparent 42%),
    linear-gradient(180deg, rgba(6, 13, 31, 0.55) 0%, rgba(6, 13, 31, 0.88) 100%),
    url("/assets/images/backpic/back-1.webp") center 30% / cover no-repeat;
}

.cat-hero-bg:after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148,178,215,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,178,215,0.02) 1px, transparent 1px);
  background-size: 70px 70px;
  pointer-events: none;
}

.cat-hero-inner {
  position: relative;
  z-index: 1;
  padding: clamp(96px, 9vw, 150px) 0 68px;
}

.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .02em;
}

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

.crumbs a:hover {
  color: var(--cyan-neon);
}

.hero-visual-card {
  position: relative;
  border-radius: 28px;
  padding: 16px;
  background: rgba(10, 20, 44, 0.46);
  border: 1px solid rgba(196, 222, 255, 0.18);
  backdrop-filter: blur(20px) saturate(150%);
  box-shadow: var(--shadow-card), 0 0 60px rgba(49, 220, 255, 0.1);
}

.hero-screen {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  padding: 22px 20px 28px;
  background:
    radial-gradient(circle at 85% 10%, rgba(49,220,255,.25), transparent 24%),
    linear-gradient(150deg, rgba(47,123,255,.4), rgba(10,20,44,.92)),
    url("/assets/images/coverpic/cover-9.webp") center / cover no-repeat;
}

.hero-screen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-screen-top .status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
}

.pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #31DCFF;
  box-shadow: 0 0 0 rgba(49, 220, 255, 0.6);
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(49,220,255,.6); }
  70% { box-shadow: 0 0 0 10px rgba(49,220,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(49,220,255,0); }
}

.chart-mini-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.chart-mini-head strong {
  font-size: 16px;
  color: #fff;
}

.chart-mini-head span {
  font-size: 13px;
  color: rgba(234, 242, 255, 0.72);
  background: rgba(255,255,255,.12);
  border-radius: 30px;
  padding: 5px 12px;
}

.data-chart {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 8px;
  filter: drop-shadow(0 4px 18px rgba(49, 220, 255, 0.25));
}

.chart-foot {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hud-cell {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: rgba(234,242,255,.8);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  background: rgba(6,13,31,.14);
  padding: 9px 12px;
}

.hud-cell b {
  font-size: 14px;
  color: #fff;
  font-weight: 700;
}

.hero-copy-block {
  max-width: 620px;
}

.hero-copy-block .lead {
  margin: 22px 0 26px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.9;
  color: #BFD1EA;
}

.hero-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(196, 222, 255, 0.2);
  border-radius: 40px;
  background: rgba(148, 178, 215, 0.07);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: all .3s ease;
}

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

.chip:hover {
  border-color: rgba(49, 220, 255, 0.55);
  color: #fff;
  background: rgba(49, 220, 255, 0.08);
}

.insight-strip {
  background: linear-gradient(90deg, rgba(47,123,255,.2), rgba(49,220,255,.08), rgba(47,123,255,.16));
  border-block: 1px solid rgba(196,222,255,.12);
}

.insight-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding: 22px 0;
}

.insight-strip strong {
  color: #fff;
  font-weight: 700;
}

.insight-strip small {
  color: var(--text-secondary);
  margin: 0 12px 0 6px;
}

.section {
  padding-block: clamp(64px, 8vw, 112px);
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, rgba(10, 20, 44, .35), rgba(6, 13, 31, 0.0));
}

.main-column-layout {
  display: flex;
  gap: 46px;
  align-items: flex-start;
}

.category-sidebar {
  width: 260px;
  flex: 0 0 260px;
  position: sticky;
  top: 110px;
  border-radius: 18px;
  border: 1px solid rgba(196, 222, 255, 0.13);
  background: rgba(148, 178, 215, 0.06);
  padding: 22px 16px;
  backdrop-filter: blur(14px);
}

.category-sidebar .side-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 4px 8px 14px;
}

.category-sidebar .side-title i {
  color: var(--cyan-neon);
}

.side-anchor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-anchor-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  border: 1px solid transparent;
}

.side-anchor-list a span {
  color: var(--cyan-neon);
  font-size: 12px;
  opacity: .8;
}

.side-anchor-list a:hover {
  background: rgba(47, 123, 255, 0.12);
  color: #fff;
  border-color: rgba(49,220,255,.18);
}

.category-content {
  flex: 1;
  min-width: 0;
}

.content-card {
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(126, 156, 205, 0.14), rgba(126, 156, 205, 0.03));
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(196, 222, 255, 0.14);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.sec-no {
  min-width: 46px;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #031A2B;
  background: linear-gradient(130deg, var(--tech-blue), var(--cyan-neon));
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  box-shadow: 0 0 20px rgba(49,220,255,.22);
}

.visual-note {
  display: flex;
  gap: 24px;
  align-items: stretch;
  padding: 30px;
}

.visual-note-img {
  display: block;
  flex: 1 0 42%;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-panel);
  border: 1px solid rgba(196,222,255,.14);
}

.visual-note-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quote-panel {
  position: relative;
  background: rgba(49, 220, 255, 0.05);
  border-left: 3px solid var(--cyan-neon);
  padding: 20px 22px;
  border-radius: 0 14px 14px 0;
  color: var(--text-secondary);
  font-size: 15px;
  margin: 12px 0 0;
}

.metric-golden {
  display: grid;
  grid-template-columns: minmax(190px, .75fr) 1.7fr;
  gap: 20px;
}

.metric-intro {
  padding: 28px;
}

.metric-intro .mini-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: var(--cyan-neon);
  background: rgba(49, 220, 255, .12);
  margin-bottom: 18px;
}

.metric-ring-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.metric-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
}

.metric-row + .metric-row {
  border-top: 1px solid rgba(196,222,255,.09);
}

.metric-row-icon {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1F405A;
  background: rgba(49, 220, 255, .88);
  box-shadow: 0 0 18px rgba(49, 220, 255, .18);
  flex-shrink: 0;
  font-size: 16px;
}

.metric-row h3 {
  color: #fff;
}

.metric-row p {
  margin: 4px 0 8px;
}

.metric-tag {
  display: inline-block;
  margin-top: 8px;
  color: #95CDFF;
  font-size: 13px;
  border: 1px solid rgba(96, 170, 245, .25);
  background: rgba(47, 123, 255, .08);
  border-radius: 30px;
  padding: 4px 10px;
}

.scenario-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.scenario-item {
  display: grid;
  grid-template-columns: 84px 1fr 2fr;
  gap: 22px;
  padding: 24px 10px;
  align-items: center;
}

.scenario-item + .scenario-item {
  border-top: 1px solid rgba(196,222,255,.09);
}

.scenario-index {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -0.06em;
  background: linear-gradient(180deg, #FFFFFF99, #7D93B5 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.scenario-item strong {
  display: block;
  font-size: 18px;
  color: #fff;
  margin-bottom: 6px;
}

.scenario-item small {
  color: var(--text-muted);
  font-size: 13px;
}

.scenario-item p {
  margin: 0;
  font-size: 15px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.process-card {
  border-radius: var(--radius-card);
  padding: 26px 22px;
  background: rgba(148,178,215,.06);
  border: 1px solid rgba(196,222,255,.14);
  position: relative;
  overflow: hidden;
  transition: border-color .3s ease, transform .3s ease, background .3s ease;
}

.process-card:hover {
  border-color: rgba(49, 220, 255, .4);
  transform: translateY(-6px);
  background: rgba(148,178,215,.11);
}

.process-card .step-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #030B1C;
  background: var(--cyan-neon);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
  box-shadow: 0 0 20px rgba(49,220,255,.3);
}

.process-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.process-card p {
  font-size: 14px;
  margin: 0;
}

.timeline-note {
  margin-top: 28px;
  border: 1px dashed rgba(49, 220, 255, .22);
  background: rgba(49, 220, 255, .04);
  padding: 20px 24px;
  border-radius: 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}

.timeline-note i {
  color: var(--cyan-neon);
  font-size: 20px;
  margin-top: 3px;
}

.faq-block {
  max-width: 860px;
}

.accordion {
  background: transparent;
}

.accordion-item {
  border-radius: 16px !important;
  border: 1px solid rgba(196, 222, 255, 0.13);
  background: rgba(148, 178, 215, 0.055);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.accordion-item:hover {
  border-color: rgba(49,220,255,.38);
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #EAF2FF;
  background: transparent !important;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  padding: 22px 24px !important;
  border-bottom: 1px solid transparent;
}

.accordion-item.is-active .accordion-title {
  border-bottom-color: rgba(49,220,255,.12);
}

.accordion-title:before,
.accordion-title::before {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--cyan-neon);
  order: 2;
  font-size: 13px;
  transition: transform .3s ease;
}

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

.accordion-content {
  background: transparent !important;
  border: 0 !important;
  padding: 0 24px 22px !important;
  color: var(--text-secondary);
  max-width: 68ch;
}

.cta-section {
  position: relative;
  margin-top: 20px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(196,222,255,.18);
  color: #fff;
}

.cta-bg {
  position: relative;
  padding: clamp(46px, 6vw, 80px);
  background:
    radial-gradient(circle at 85% 10%, rgba(255,77,148,.36), transparent 30%),
    radial-gradient(circle at 10% 90%, rgba(49,220,255,.3), transparent 45%),
    linear-gradient(130deg, rgba(6,13,31,.9), rgba(47,123,255,.48)),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
}

.cta-bg:after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(6,13,31,.45));
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.cta-content h2 {
  font-size: clamp(30px, 3vw, 40px);
}

.cta-content p {
  margin: 18px 0 28px;
  max-width: 620px;
  color: #C6DCF2;
  font-size: 16px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.separator-note {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 26px 30px;
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(47,123,255,.3), rgba(49,220,255,.12), rgba(47,123,255,.2));
  border: 1px solid rgba(196,222,255,.16);
}

.separator-note h3 {
  color: #fff;
  font-size: 22px;
}

.separator-note p {
  margin: 8px 0 0;
  color: #D6E3F5;
}

.more-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.more-entry {
  border-radius: 16px;
  padding: 26px 28px;
  background: rgba(148,178,215,.07);
  border: 1px solid rgba(196,222,255,.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}

.more-entry:hover {
  transform: translateY(-4px);
  border-color: rgba(49,220,255,.4);
  background: rgba(49,220,255,.08);
}

.more-entry strong {
  display: block;
  color: #EAF2FF;
  font-size: 18px;
  margin-bottom: 6px;
}

.more-entry small {
  color: var(--text-muted);
}

.more-entry i {
  color: var(--cyan-neon);
  font-size: 22px;
}

.back-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.back-links a {
  color: var(--text-secondary);
}

.back-links a:hover {
  color: var(--cyan-neon);
}

.light-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,222,255,.28), transparent);
  margin: 0;
  border: 0;
}

.site-footer {
  background: #040918;
  border-top: 1px solid rgba(196, 222, 255, 0.08);
  padding: 72px 0 28px;
  margin-top: 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 38px;
  padding-bottom: 40px;
}

.footer-brand .brand {
  font-size: 20px;
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-muted);
  max-width: 340px;
  font-size: 14px;
  line-height: 1.9;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(148,178,215,.07);
  border: 1px solid rgba(196,222,255,.12);
  color: var(--text-secondary);
  font-size: 15px;
  transition: all .3s ease;
}

.footer-social a:hover {
  color: #fff;
  border-color: var(--cyan-neon);
  background: rgba(49,220,255,.12);
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-col li a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.footer-col li a i {
  font-size: 10px;
  transition: transform .2s ease;
}

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

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

.footer-line {
  border-top: 1px solid rgba(196,222,255,.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 8px 30px rgba(255,77,148,.4), 0 0 0 0 rgba(255,77,148,.5); }
  50% { box-shadow: 0 8px 40px rgba(255,77,148,.65), 0 0 0 12px rgba(255,77,148,0); }
}

@media (max-width: 1180px) {
  .metric-golden {
    grid-template-columns: 1fr;
  }
  .metric-intro {
    border-bottom: 1px solid rgba(196,222,255,.1);
  }
  .visual-note {
    flex-direction: column;
  }
  .visual-note-img {
    flex: 0 0 auto;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 989px) {
  .category-sidebar {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 899px) {
  body {
    padding-top: 0;
  }

  .main-wrapper {
    padding-top: 64px;
  }

  .site-header {
    height: 64px;
    min-height: 64px;
  }

  .header-inner {
    min-height: 64px;
  }

  .brand {
    font-size: 19px;
  }

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

  .header-menu {
    position: fixed;
    z-index: 99;
    inset: 64px 12px 12px;
    padding: 20px;
    border-radius: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    justify-content: flex-start;
    background: rgba(6,13,31,.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(196,222,255,.16);
    box-shadow: 0 24px 60px rgba(0,0,0,.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s;
    overflow-y: auto;
  }

  .menu-open .header-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

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

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 15px 16px;
    font-size: 17px;
  }

  .nav-action {
    width: 100%;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .cat-hero-inner {
    padding-top: 90px;
  }

  .hero-copy-block .lead {
    font-size: 16px;
  }

  .scenario-item {
    grid-template-columns: 54px 1fr;
  }

  .scenario-item p {
    grid-column: 1 / 3;
  }

  .separator-note {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

@media (max-width: 767px) {
  .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .section {
    padding-block: 60px;
  }

  h1 {
    font-size: clamp(32px, 9vw, 42px);
  }

  h2 {
    font-size: 26px;
  }

  .visual-note {
    padding: 18px;
  }

  .scenario-item {
    padding: 22px 4px;
  }

  .scenario-index {
    font-size: 38px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-screen-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .chart-foot {
    gap: 8px;
  }

  .hud-cell {
    flex: 1 0 calc(50% - 8px);
  }

  .section-head {
    align-items: flex-start;
  }

  .sec-no {
    min-width: 44px;
    min-height: 32px;
    font-size: 13px;
    padding: 0 9px;
  }

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

  .cta-bg {
    padding: 38px 22px;
  }

  .cta-content p {
    font-size: 15px;
  }

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

@media (max-width: 520px) {
  .btn {
    width: auto;
    min-height: 46px;
  }

  .metric-row {
    flex-direction: column;
  }

  .metric-row-icon {
    width: 38px;
    height: 38px;
  }

  .scenario-item {
    grid-template-columns: 1fr;
  }

  .scenario-index {
    font-size: 34px;
  }
}