/* roulang page: index */
/* ===== Reset / Base ===== */
:root{
  --bg-dark:#070E1F;
  --bg-body:#0B1428;
  --bg-footer:#050A16;
  --bg-glass:rgba(15,30,55,.68);
  --bg-glass-light:rgba(18,35,60,.72);
  --primary:#00E5A0;
  --primary-dark:#00B37A;
  --accent:#FFB020;
  --text:#EAF2FF;
  --text-dim:#8CA3C7;
  --border-light:rgba(255,255,255,.08);
  --border-primary:rgba(0,229,160,.25);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.25);
  --shadow-hover:0 14px 40px rgba(0,229,160,.12);
  --shadow-primary:0 0 20px rgba(0,229,160,.35);
  --trans:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:linear-gradient(180deg,var(--bg-dark) 0,var(--bg-body) 300px,var(--bg-body) 100%);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text);text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
.grid-container{max-width:1200px}
.grid-margin-x>.cell{margin-bottom:0}

/* ===== Utility ===== */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{
  font-size:32px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.5px;
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:16px;
}
.section-title::before{
  content:'';
  width:8px;
  height:24px;
  background:var(--primary);
  border-radius:4px;
  box-shadow:0 0 12px rgba(0,229,160,.6);
}
.section-sub{
  color:var(--text-dim);
  font-size:16px;
  max-width:640px;
  margin-bottom:40px;
  line-height:1.75;
}
.text-center{text-align:center}
.section-title-center{
  justify-content:center;
}
.section-title-center::before{display:none}
.mono{font-family:"JetBrains Mono","Roboto Mono",Consolas,monospace}
@media(max-width:640px){
  .section{padding:48px 0}
  .section-title{font-size:26px}
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 32px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:none;
  outline:none;
  transition:all var(--trans);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:4px}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(135deg,#00E5A0,#00B37A);
  color:#070E1F;
  box-shadow:var(--shadow-primary);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 30px rgba(0,229,160,.5);
  color:#070E1F;
}
.btn-outline{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--border-primary);
  backdrop-filter:blur(8px);
}
.btn-outline:hover{
  background:rgba(0,229,160,.1);
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 24px;font-size:14px}

/* ===== Header Nav ===== */
.site-header{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  z-index:1000;
  width:100%;
  max-width:1200px;
  padding:0 16px;
}
.nav-dock{
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:rgba(11,20,40,.6);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(0,229,160,.3);
  border-radius:999px;
  height:64px;
  padding:0 12px 0 24px;
  box-shadow:0 8px 30px rgba(0,0,0,.3);
  transition:background .3s ease,box-shadow .3s ease;
}
.nav-dock.scrolled{
  background:rgba(8,15,30,.9);
  box-shadow:0 10px 40px rgba(0,0,0,.45);
  border-color:rgba(0,229,160,.45);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--text);
  flex-shrink:0;
}
.logo-mark{
  width:20px;
  height:20px;
  background:linear-gradient(135deg,#00E5A0,#00B37A);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  display:inline-block;
  box-shadow:0 0 10px rgba(0,229,160,.6);
}
.logo:hover{color:var(--text)}
.logo .logo-mark{animation:pulseMark 3s ease-in-out infinite}
@keyframes pulseMark{
  0%,100%{box-shadow:0 0 8px rgba(0,229,160,.4)}
  50%{box-shadow:0 0 18px rgba(0,229,160,.8)}
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  padding:10px 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:rgba(234,242,255,.8);
  transition:all var(--trans);
}
.nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.04);
}
.nav-link.active{
  color:var(--primary);
}
.nav-link.active::after{
  content:'';
  position:absolute;
  bottom:4px;
  left:50%;
  transform:translateX(-50%);
  width:20px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  box-shadow:0 0 8px var(--primary);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
}
.nav-search{
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(234,242,255,.75);
  font-size:16px;
  cursor:pointer;
  transition:all var(--trans);
  background:transparent;
  border:none;
}
.nav-search:hover{
  color:var(--primary);
  background:rgba(0,229,160,.08);
}
.nav-search-pop{
  position:absolute;
  top:72px;
  right:16px;
  width:300px;
  background:rgba(11,20,40,.95);
  border:1px solid var(--border-primary);
  border-radius:16px;
  padding:12px;
  backdrop-filter:blur(14px);
  box-shadow:0 14px 40px rgba(0,0,0,.4);
  display:none;
  z-index:100;
}
.nav-search-pop.is-open{display:block}
.nav-search-wrap{display:flex}
.nav-search-input{
  flex:1;
  height:40px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);
  border-radius:999px;
  padding:0 18px;
  color:var(--text);
  font-size:14px;
  outline:none;
  transition:border-color var(--trans);
}
.nav-search-input:focus{border-color:var(--primary)}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:none;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:all var(--trans);
}
.nav-toggle:hover{background:rgba(0,229,160,.1);color:var(--primary)}
.mobile-panel{
  display:none;
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 32px);
  max-width:1200px;
  background:rgba(7,14,31,.95);
  backdrop-filter:blur(20px);
  border-radius:24px;
  border:1px solid rgba(0,229,160,.25);
  padding:24px;
  flex-direction:column;
  gap:12px;
  z-index:999;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.mobile-panel.is-open{display:flex}
.mobile-link{
  padding:14px 20px;
  border-radius:16px;
  font-size:18px;
  font-weight:600;
  color:var(--text);
  transition:all var(--trans);
}
.mobile-link:hover{background:rgba(0,229,160,.08);color:var(--primary)}
.mobile-cta{
  margin-top:8px;
  height:48px;
  background:linear-gradient(135deg,#00E5A0,#00B37A);
  color:#070E1F;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:16px;
  transition:all var(--trans);
}
.mobile-cta:hover{box-shadow:0 0 24px rgba(0,229,160,.5);color:#070E1F}
body.menu-open{overflow:hidden}
@media(max-width:768px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-dock{padding:0 10px 0 20px;border-radius:24px}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:600px;
  height:80vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:linear-gradient(to bottom,rgba(7,14,31,.3) 0,rgba(7,14,31,.7) 60%,var(--bg-dark) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:60px 60px;
  pointer-events:none;
}
.hero::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  height:120px;
  background:linear-gradient(to bottom,transparent,var(--bg-dark));
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  width:100%;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 20px;
  border-radius:999px;
  background:rgba(0,229,160,.08);
  border:1px solid var(--border-primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:24px;
}
.hero-badge .live-dot{
  width:8px;height:8px;
  background:var(--accent);
  border-radius:50%;
  box-shadow:0 0 0 0 rgba(255,176,32,.6);
  animation:livePulse 1.6s infinite;
}
@keyframes livePulse{
  0%{box-shadow:0 0 0 0 rgba(255,176,32,.6)}
  70%{box-shadow:0 0 0 10px rgba(255,176,32,0)}
  100%{box-shadow:0 0 0 0 rgba(255,176,32,0)}
}
.hero h1{
  font-size:44px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-1px;
  text-shadow:0 0 30px rgba(0,229,160,.35),0 2px 20px rgba(0,0,0,.5);
  margin-bottom:16px;
  color:#fff;
}
.hero-sub{
  font-size:18px;
  color:rgba(234,242,255,.85);
  max-width:560px;
  line-height:1.7;
  margin-bottom:36px;
}
.hero-ctas{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
@media(max-width:640px){
  .hero{min-height:520px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
}

/* ===== Countdown ===== */
.countdown-section{
  position:relative;
  z-index:10;
  margin-top:-60px;
}
.countdown-card{
  background:var(--bg-glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:var(--radius-lg);
  border:1px solid var(--border-primary);
  box-shadow:var(--shadow-card);
  padding:32px;
  display:flex;
  align-items:center;
  gap:32px;
  transition:all var(--trans);
}
.countdown-main{flex:0 0 auto}
.countdown-head{
  font-size:13px;
  letter-spacing:1.5px;
  color:var(--text-dim);
  text-transform:uppercase;
  margin-bottom:12px;
}
.countdown-grid{
  display:flex;
  align-items:center;
  gap:10px;
}
.countdown-item{
  background:rgba(7,14,31,.65);
  border:1px solid rgba(255,255,255,.06);
  border-radius:12px;
  min-width:68px;
  padding:12px 8px;
  text-align:center;
}
.countdown-num{
  display:block;
  font-family:"JetBrains Mono","Roboto Mono",Consolas,monospace;
  font-size:40px;
  font-weight:700;
  color:var(--accent);
  line-height:1.2;
  text-shadow:0 0 18px rgba(255,176,32,.4);
}
.countdown-label{
  font-size:12px;
  color:var(--text-dim);
  margin-top:4px;
  display:block;
}
.countdown-sep{
  font-family:"JetBrains Mono",monospace;
  font-size:28px;
  color:rgba(255,255,255,.3);
  align-self:flex-start;
  margin-top:16px;
}
.countdown-desc{
  margin-top:14px;
  color:var(--text-dim);
  font-size:14px;
}
.countdown-sub-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  background:transparent;
  border:none;
  cursor:pointer;
  padding:0;
  margin-top:6px;
  transition:all var(--trans);
}
.countdown-sub-btn:hover{color:#fff;gap:10px}
.match-info{
  margin-left:auto;
  text-align:right;
  flex-shrink:0;
}
.match-info__badge{
  display:inline-block;
  padding:4px 14px;
  background:rgba(0,229,160,.1);
  border:1px solid var(--border-primary);
  border-radius:999px;
  font-size:12px;
  color:var(--primary);
  letter-spacing:1px;
  margin-bottom:10px;
}
.match-info__teams{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  line-height:1.4;
}
.match-info__meta{
  font-size:14px;
  color:var(--text-dim);
  margin-top:6px;
  font-family:"JetBrains Mono","Roboto Mono",monospace;
}
@media(max-width:900px){
  .countdown-card{flex-direction:column;align-items:flex-start;gap:24px}
  .match-info{text-align:left;margin-left:0}
}
@media(max-width:640px){
  .countdown-card{padding:24px}
  .countdown-grid{gap:6px}
  .countdown-item{min-width:54px;padding:10px 4px}
  .countdown-num{font-size:28px}
  .countdown-sep{font-size:20px}
}

/* ===== Highlights ===== */
.highlights{padding:80px 0 40px}
.highlight-list{display:flex;flex-direction:column;gap:12px}
.highlight-item{
  display:flex;
  align-items:center;
  gap:24px;
  background:var(--bg-glass);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-lg);
  padding:24px 28px;
  transition:all var(--trans);
  cursor:pointer;
}
.highlight-item:hover{
  background:rgba(18,35,60,.72);
  border-color:var(--border-primary);
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.highlight-num{
  font-family:"JetBrains Mono","Roboto Mono",monospace;
  font-size:36px;
  font-weight:800;
  color:var(--primary);
  line-height:1;
  opacity:.85;
  flex-shrink:0;
  min-width:52px;
  text-shadow:0 0 12px rgba(0,229,160,.3);
}
.highlight-body{flex:1}
.highlight-title{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  margin-bottom:4px;
}
.highlight-desc{
  font-size:14px;
  color:var(--text-dim);
  line-height:1.6;
  max-width:640px;
}
.highlight-arrow{
  flex-shrink:0;
  width:36px;
  height:36px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.04);
  color:var(--text-dim);
  transition:all var(--trans);
}
.highlight-item:hover .highlight-arrow{
  transform:translateX(4px);
  background:rgba(0,229,160,.12);
  color:var(--primary);
}
@media(max-width:640px){
  .highlight-item{padding:20px;gap:14px}
  .highlight-num{font-size:28px;min-width:40px}
  .highlight-title{font-size:17px}
}

/* ===== Subscribe ===== */
.subscribe{padding:60px 0}
.subscribe-card{
  background:var(--bg-glass);
  border:1px solid var(--border-primary);
  border-radius:var(--radius-lg);
  padding:48px;
  text-align:center;
  box-shadow:0 0 40px rgba(0,229,160,.12);
  position:relative;
  overflow:hidden;
}
.subscribe-card::before{
  content:'';
  position:absolute;
  top:-60px;
  right:-60px;
  width:200px;
  height:200px;
  background:radial-gradient(circle,rgba(0,229,160,.12),transparent 70%);
  pointer-events:none;
}
.subscribe-title{
  font-size:28px;
  font-weight:800;
  margin-bottom:10px;
  color:var(--text);
}
.subscribe-sub{
  color:var(--text-dim);
  font-size:15px;
  margin-bottom:28px;
}
.subscribe-form{
  display:flex;
  gap:12px;
  max-width:520px;
  margin:0 auto;
  flex-wrap:wrap;
  justify-content:center;
}
.subscribe-form input[type="email"],.subscribe-form input[type="tel"]{
  flex:1;
  min-width:280px;
  height:48px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.2);
  padding:0 24px;
  color:var(--text);
  font-size:15px;
  outline:none;
  transition:all var(--trans);
}
.subscribe-form input:focus{border-color:var(--primary);background:rgba(0,229,160,.04)}
.subscribe-hint{
  margin-top:14px;
  font-size:12px;
  color:var(--text-dim);
  opacity:.7;
}
@media(max-width:640px){
  .subscribe-card{padding:32px 20px}
  .subscribe-title{font-size:24px}
  .subscribe-form input{min-width:100%}
  .subscribe-form .btn{width:100%}
}

/* ===== Replay ===== */
.replay{padding:80px 0}
.replay-grid{display:flex;flex-direction:column;gap:16px}
.replay-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.replay-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:260px;
  border:1px solid rgba(255,255,255,.08);
  cursor:pointer;
  transition:all var(--trans);
  background:#0A1428;
}
.replay-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:var(--border-primary);
}
.replay-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.replay-card:hover img{transform:scale(1.05)}
.replay-card__overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(7,14,31,.9) 0,rgba(7,14,31,.2) 60%,transparent 100%);
}
.replay-card__info{
  position:absolute;
  bottom:0;left:0;right:0;
  padding:24px;
  z-index:2;
}
.replay-card__title{
  font-size:19px;font-weight:700;color:#fff;
  line-height:1.4;
  margin-bottom:6px;
}
.replay-card__meta{
  font-size:13px;
  color:rgba(255,255,255,.6);
  font-family:"JetBrains Mono","Roboto Mono",monospace;
}
.replay-duration{
  position:absolute;
  top:14px;right:14px;
  z-index:2;
  padding:6px 12px;
  background:rgba(7,14,31,.8);
  color:var(--primary);
  border:1px solid rgba(0,229,160,.3);
  border-radius:8px;
  font-family:"JetBrains Mono","Roboto Mono",monospace;
  font-size:13px;
  backdrop-filter:blur(6px);
}
.replay-play{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  z-index:2;
  width:54px;height:54px;
  border-radius:50%;
  background:rgba(7,14,31,.6);
  border:1px solid rgba(0,229,160,.5);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:16px;
  backdrop-filter:blur(8px);
  transition:all var(--trans);
  opacity:0;
}
.replay-card:hover .replay-play{
  opacity:1;
  box-shadow:0 0 25px rgba(0,229,160,.5);
}
.replay-banner{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:200px;
  border:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  cursor:pointer;
  transition:all var(--trans);
  background:linear-gradient(to right,rgba(7,14,31,.85),rgba(7,14,31,.4)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.replay-banner:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--border-primary);
}
.replay-banner__content{
  max-width:70%;
  padding:28px;
}
.replay-banner__tag{
  display:inline-block;
  padding:4px 14px;
  background:rgba(255,176,32,.15);
  border:1px solid rgba(255,176,32,.4);
  border-radius:999px;
  font-size:12px;
  color:var(--accent);
  letter-spacing:1px;
  margin-bottom:12px;
}
.replay-banner__title{
  font-size:22px;
  font-weight:800;
  color:#fff;
  line-height:1.35;
  margin-bottom:8px;
}
.replay-banner__desc{
  font-size:14px;
  color:rgba(234,242,255,.7);
  line-height:1.6;
}
@media(max-width:768px){
  .replay-row{grid-template-columns:1fr}
  .replay-banner__content{max-width:90%;padding:20px}
  .replay-banner__title{font-size:18px}
}

/* ===== News ===== */
.news{padding:80px 0}
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:36px;
}
.news-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--text-dim);
  font-size:14px;
  font-weight:600;
  padding:10px 20px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.1);
  transition:all var(--trans);
}
.news-more:hover{
  color:var(--primary);
  border-color:var(--border-primary);
  gap:10px;
}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-card{
  display:flex;
  align-items:stretch;
  background:var(--bg-glass);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all var(--trans);
  cursor:pointer;
}
.news-card:hover{
  background:rgba(18,35,60,.75);
  border-color:var(--border-primary);
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.news-card__thumb{
  flex-shrink:0;
  width:160px;
  height:100px;
  overflow:hidden;
}
.news-card__thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.news-card:hover .news-card__thumb img{transform:scale(1.06)}
.news-card__body{
  flex:1;
  padding:16px 24px 16px 20px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
}
.news-card__meta{
  display:flex;
  align-items:center;
  gap:12px;
}
.badge{
  display:inline-block;
  padding:3px 12px;
  background:rgba(0,229,160,.1);
  border:1px solid rgba(0,229,160,.3);
  border-radius:6px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
}
.news-card__time{
  font-size:13px;
  color:var(--text-dim);
  font-family:"JetBrains Mono","Roboto Mono",monospace;
}
.news-card__title{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  line-height:1.45;
  transition:color var(--trans);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-card__title{color:var(--primary)}
.news-card__excerpt{
  font-size:14px;
  color:var(--text-dim);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card--feature{
  flex-direction:row;
  align-items:stretch;
}
.news-card--feature .news-card__thumb{
  width:50%;
  height:auto;
  min-height:180px;
}
.news-card--feature .news-card__body{padding:28px 32px;gap:10px}
.news-card--feature .news-card__title{font-size:22px;-webkit-line-clamp:2}
.news-card--feature .news-card__excerpt{font-size:15px;-webkit-line-clamp:3}
.news-empty{
  background:var(--bg-glass);
  border:1px dashed rgba(0,229,160,.3);
  border-radius:var(--radius-lg);
  padding:60px;
  text-align:center;
  color:var(--text-dim);
}
.news-empty__icon{
  font-size:40px;
  color:var(--primary);
  opacity:.6;
  margin-bottom:12px;
  display:block;
}
@media(max-width:640px){
  .news-card--feature{flex-direction:column}
  .news-card--feature .news-card__thumb{width:100%;height:160px}
  .news-card{flex-direction:column}
  .news-card__thumb{width:100%;height:140px}
}

/* ===== Stats ===== */
.stats{
  padding:60px 0;
  background:linear-gradient(180deg,transparent,rgba(7,14,31,.4));
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stats-item{
  text-align:center;
  padding:32px 16px;
  background:var(--bg-glass);
  border:1px solid rgba(255,255,255,.05);
  border-radius:var(--radius-lg);
  transition:all var(--trans);
}
.stats-item:hover{
  border-color:var(--border-primary);
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.stats-num{
  font-family:"JetBrains Mono","Roboto Mono",Consolas,monospace;
  font-size:40px;
  font-weight:800;
  color:var(--primary);
  line-height:1.2;
  text-shadow:0 0 20px rgba(0,229,160,.3);
}
.stats-label{
  font-size:14px;
  color:var(--text-dim);
  margin-top:8px;
}
@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stats-num{font-size:28px}
}

/* ===== FAQ ===== */
.faq{padding:80px 0}
.faq-wrap{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--bg-glass);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:all var(--trans);
}
.faq-item[open]{
  border-color:var(--border-primary);
  box-shadow:var(--shadow-hover);
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:background var(--trans);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.02)}
.faq-item summary::after{
  content:'+';
  font-size:24px;
  font-weight:400;
  color:var(--primary);
  line-height:1;
  transition:transform .3s ease;
  flex-shrink:0;
  margin-left:16px;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{
  padding:0 24px 22px;
  color:var(--text-dim);
  font-size:15px;
  line-height:1.75;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:16px;
  margin:0 0 0 24px;
  padding-left:24px;
  padding-right:24px;
}
@media(max-width:640px){
  .faq-item summary{padding:18px 20px;font-size:16px}
}

/* ===== CTA Final ===== */
.cta-final{
  padding:80px 0;
  text-align:center;
}
.cta-final__card{
  background:linear-gradient(135deg,rgba(7,14,31,.9),rgba(11,20,40,.8)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius:var(--radius-lg);
  border:1px solid rgba(0,229,160,.3);
  padding:64px 48px;
  box-shadow:0 0 50px rgba(0,229,160,.1);
}
.cta-final__title{
  font-size:34px;
  font-weight:800;
  color:#fff;
  line-height:1.3;
  margin-bottom:12px;
}
.cta-final__desc{
  font-size:17px;
  color:rgba(234,242,255,.7);
  max-width:600px;
  margin:0 auto 36px;
  line-height:1.7;
}
.cta-final__btns{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
@media(max-width:640px){
  .cta-final__card{padding:40px 24px}
  .cta-final__title{font-size:26px}
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-footer);
  border-top:1px solid rgba(0,229,160,.2);
  padding:64px 0 32px;
  margin-top:40px;
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{
  font-size:14px;
  color:var(--text-dim);
  line-height:1.7;
  max-width:260px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--text-dim);
  transition:all var(--trans);
}
.footer-links a:hover{color:var(--primary);padding-left:4px}
.footer-subscribe p{
  font-size:14px;
  color:var(--text-dim);
  margin-bottom:14px;
  line-height:1.6;
}
.footer-form{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.footer-form input{
  flex:1;
  min-width:160px;
  height:40px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  padding:0 18px;
  color:var(--text);
  font-size:14px;
  outline:none;
  transition:border-color var(--trans);
}
.footer-form input:focus{border-color:var(--primary)}
.footer-form .btn{height:40px;padding:0 22px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-copy{
  font-size:13px;
  color:var(--text-dim);
}
.footer-icp{
  font-size:13px;
  color:var(--text-dim);
  opacity:.7;
}
.back-to-top{
  width:40px;height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(0,229,160,.25);
  color:var(--primary);
  font-size:14px;
  cursor:pointer;
  transition:all var(--trans);
  display:flex;
  align-items:center;
  justify-content:center;
}
.back-to-top:hover{
  background:rgba(0,229,160,.1);
  box-shadow:0 0 16px rgba(0,229,160,.3);
}
@media(max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
}

/* ===== Reduced motion ===== */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .logo .logo-mark{animation:none}
  .hero-badge .live-dot{animation:none}
}

/* ===== Foundation override ===== */
.grid-container{max-width:1200px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
@media(min-width:1025px){.grid-margin-x{margin-left:-12px;margin-right:-12px}}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg-deep: #070E1F;
            --bg-dark: #0B1428;
            --bg-footer: #050A16;
            --primary: #00E5A0;
            --primary-glow: rgba(0, 229, 160, 0.35);
            --accent: #FFB020;
            --text-main: #EAF2FF;
            --text-secondary: #8CA3C7;
            --text-weak: #5A7299;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-primary: rgba(0, 229, 160, 0.3);
            --card-bg: rgba(15, 30, 55, 0.68);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 6px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 14px 40px rgba(0, 229, 160, 0.12);
            --shadow-primary: 0 0 20px var(--primary-glow);
            --transition: all 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "JetBrains Mono", "Roboto Mono", Consolas, monospace;
            --container-width: 1200px;
            --space-section: 80px;
        }

        /* ===== 基础 Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-deep);
            background-image: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器与栅格 ===== */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }
        .cell {
            flex: 1 1 auto;
            min-width: 0;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .section-label::before {
            content: "";
            width: 10px;
            height: 10px;
            background: var(--primary);
            display: inline-block;
            transform: rotate(45deg);
            border-radius: 2px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
        }

        /* ===== 头部导航 Dock ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 16px 24px 0;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            max-width: var(--container-width);
            margin: 0 auto;
            height: 64px;
            border-radius: var(--radius-pill);
            background: rgba(7, 14, 31, 0.6);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid transparent;
            background-image: linear-gradient(rgba(7, 14, 31, 0.72), rgba(7, 14, 31, 0.72)), linear-gradient(90deg, var(--border-primary), rgba(30, 58, 95, 0.5));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            transition: var(--transition);
        }
        .site-header.scrolled .nav-dock {
            background: rgba(7, 14, 31, 0.9);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.32);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-main);
            flex-shrink: 0;
        }
        .logo-mark {
            position: relative;
            width: 22px;
            height: 22px;
            display: inline-block;
            background: linear-gradient(135deg, var(--primary) 0%, #00c48a 100%);
            transform: rotate(45deg);
            border-radius: 4px;
            box-shadow: 0 0 12px var(--primary-glow);
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            inset: 5px;
            background: var(--bg-dark);
            border-radius: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 16px;
        }
        .nav-link {
            position: relative;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 8px var(--primary-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-pill);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            transition: var(--transition);
        }
        .nav-search:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-pill);
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
        }
        .nav-search-pop {
            pointer-events: auto;
            max-width: var(--container-width);
            margin: 12px auto 0;
            padding: 12px;
            border-radius: var(--radius-md);
            background: rgba(7, 14, 31, 0.92);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            display: none;
        }
        .nav-search-pop.open {
            display: block;
        }
        .nav-search-wrap {
            display: flex;
            align-items: center;
        }
        .nav-search-input {
            flex: 1;
            height: 42px;
            padding: 0 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, #00c48a 100%);
            color: #07110b;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.5);
            transform: translateY(-1px);
            color: #07110b;
        }
        .btn-primary:active {
            box-shadow: 0 0 14px rgba(0, 229, 160, 0.3);
            transform: scale(0.98);
        }
        .btn-glass {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            backdrop-filter: blur(10px);
        }
        .btn-glass:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .nav-cta {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 600px;
            height: 80vh;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(7, 14, 31, 0.45) 0%, rgba(7, 14, 31, 0.78) 60%, var(--bg-deep) 100%),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        }
        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-primary);
            background: rgba(0, 229, 160, 0.06);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-bottom: 24px;
        }
        .hero-badge::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff3b3b;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.7);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(255, 59, 59, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 59, 59, 0);
            }
        }
        .hero h1 {
            font-size: 46px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-main);
            text-shadow: 0 1px 40px rgba(0, 0, 0, 0.45), 0 0 80px rgba(0, 229, 160, 0.08);
            max-width: 680px;
            margin-bottom: 16px;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 480px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-transition {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--bg-deep));
            pointer-events: none;
            z-index: 1;
        }

        /* ===== 数据统计条 ===== */
        .stats-strip {
            background: rgba(15, 30, 55, 0.5);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
            backdrop-filter: blur(10px);
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }
        .stats-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 36px 0;
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ===== 交替图文区 ===== */
        .alternate-section {
            position: relative;
            padding: var(--space-section) 0;
        }
        .alt-row {
            display: flex;
            align-items: center;
            gap: 56px;
            margin-bottom: 72px;
        }
        .alt-row:last-child {
            margin-bottom: 0;
        }
        .alt-img {
            flex: 0 0 48%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-glass);
        }
        .alt-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .alt-img:hover img {
            transform: scale(1.03);
        }
        .alt-img::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(0deg, rgba(7, 14, 31, 0.6), transparent);
        }
        .alt-text {
            flex: 1;
        }
        .alt-index {
            font-family: var(--font-mono);
            font-size: 44px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1px var(--primary);
            opacity: 0.5;
            margin-bottom: 8px;
            line-height: 1;
        }
        .alt-text h3 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .alt-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .alt-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .alt-link i {
            transition: transform 0.25s;
        }
        .alt-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 适用场景 ===== */
        .scenes-section {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .scene-card {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-glass);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--border-primary), transparent);
            border-radius: 4px;
        }
        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-primary);
        }
        .scene-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid var(--border-primary);
            margin-bottom: 20px;
        }
        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scene-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 流程 ===== */
        .flow-section {
            position: relative;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 48px;
        }
        .flow-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(12px);
            transition: var(--transition);
            position: relative;
        }
        .flow-step:hover {
            border-color: var(--border-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .flow-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            opacity: 0.7;
            display: block;
            margin-bottom: 8px;
        }
        .flow-step h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .flow-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--primary);
            opacity: 0.5;
            z-index: 2;
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }
        .faq-list {
            max-width: 800px;
            margin: 48px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border-radius: var(--radius-md);
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-glass);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-primary);
        }
        .faq-item details {
            padding: 20px 24px;
        }
        .faq-item summary {
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--text-main);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            line-height: 1;
            color: var(--primary);
            transition: transform 0.25s;
            flex-shrink: 0;
        }
        .faq-item details[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding-top: 14px;
            font-size: 15px;
            color: var(--text-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 14px;
        }

        /* ===== 订阅 CTA ===== */
        .cta-section {
            padding: var(--space-section) 0;
        }
        .cta-panel {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-primary);
            box-shadow: 0 0 40px rgba(0, 229, 160, 0.12), var(--shadow-card);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 320px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }
        .cta-panel h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-panel p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 240px;
            height: 48px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0 22px;
            color: var(--text-main);
            font-size: 15px;
            transition: var(--transition);
        }
        .cta-form input::placeholder {
            color: var(--text-weak);
        }
        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .cta-privacy {
            margin-top: 16px;
            font-size: 12px;
            color: var(--text-weak);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            padding: 64px 0 28px;
            border-top: 1px solid rgba(0, 229, 160, 0.15);
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-main);
            position: relative;
            padding-left: 14px;
        }
        .footer-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 14px;
            border-radius: 2px;
            background: var(--primary);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-subscribe p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }
        .footer-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-form input {
            flex: 1;
            min-width: 160px;
            height: 42px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            padding: 0 16px;
            color: var(--text-main);
            font-size: 14px;
        }
        .footer-form input::placeholder {
            color: var(--text-weak);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 28px;
        }
        .footer-copy {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-icp {
            font-size: 13px;
            color: var(--text-weak);
        }
        .back-to-top {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .back-to-top:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 14px var(--primary-glow);
        }

        /* ===== 移动端导航 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 99;
            background: rgba(7, 14, 31, 0.95);
            backdrop-filter: blur(16px);
            padding: 96px 28px 40px;
            flex-direction: column;
            gap: 8px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s, visibility 0.25s;
        }
        .mobile-menu.open {
            display: flex;
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu a {
            font-size: 24px;
            font-weight: 700;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.8);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--primary);
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 64px;
            }
            .nav-links {
                gap: 0;
            }
            .nav-link {
                padding: 10px 12px;
                font-size: 14px;
            }
            .stats-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .alt-row {
                gap: 32px;
            }
            .alt-img img {
                height: 280px;
            }
            .scenes-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .flow-grid {
                gap: 16px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-search,
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .alt-row {
                flex-direction: column;
                gap: 20px;
            }
            .alt-row:nth-child(even) {
                flex-direction: column;
            }
            .alt-img {
                flex: 0 0 100%;
                width: 100%;
            }
            .alt-img img {
                height: 240px;
            }
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
            }
            .flow-arrow {
                display: none;
            }
            .cta-panel {
                padding: 36px 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .footer-form input {
                min-width: 100%;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                border-radius: 24px;
                height: 58px;
                padding: 0 16px;
            }
            .logo {
                font-size: 17px;
            }
            .hero {
                min-height: 540px;
                height: 75vh;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-wrap {
                grid-template-columns: 1fr 1fr;
                padding: 24px 0;
            }
            .stat-number {
                font-size: 28px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
                min-width: 0;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        /* ===== 动效偏好 ===== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: article */
:root {
  --bg-deep: #070E1F;
  --bg-base: #0B1428;
  --bg-card: rgba(15, 30, 55, 0.68);
  --primary: #00E5A0;
  --accent: #FFB020;
  --text-main: #EAF2FF;
  --text-sub: #8CA3C7;
  --border-glass: rgba(255, 255, 255, 0.08);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 14px 40px rgba(0, 229, 160, 0.12);
  --font-cn: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", Consolas, monospace;
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  background: var(--bg-deep);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: var(--font-cn); }
ul, ol { list-style: none; }
input { font-family: var(--font-cn); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-cn);
  color: var(--text-main);
  line-height: 1.4;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.row { max-width: 100%; margin-left: 0; margin-right: 0; }
.row .row { margin-left: -0.9375rem; margin-right: -0.9375rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-cn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, #00E5A0, #00C98A);
  color: #06231A;
  box-shadow: 0 0 20px rgba(0, 229, 160, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(0, 229, 160, 0.5);
}
.btn-primary:active { transform: scale(0.98); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-main);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  border-color: rgba(0, 229, 160, 0.5);
  color: var(--primary);
  background: rgba(0, 229, 160, 0.06);
  transform: translateY(-2px);
}
.btn-ghost:active { transform: scale(0.98); }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.nav-dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: auto;
  max-width: 1200px;
  margin: 0 24px;
  height: 64px;
  padding: 0 24px;
  background: rgba(11, 20, 40, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 229, 160, 0.25);
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
}
.nav-dock.scrolled {
  background: rgba(7, 14, 31, 0.9);
  border-color: rgba(0, 229, 160, 0.35);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.45);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text-main);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-mark {
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--primary), #00B8FF);
  transform: rotate(45deg);
  border-radius: 5px;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(0, 229, 160, 0.35);
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: var(--bg-base);
  border-radius: 3px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 32px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(234, 242, 255, 0.8);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { transform: scaleX(1); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 16px;
  flex-shrink: 0;
}
.nav-search, .nav-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-sub);
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.nav-search:hover, .nav-toggle:hover {
  color: var(--primary);
  border-color: rgba(0, 229, 160, 0.4);
  background: rgba(0, 229, 160, 0.08);
}
.nav-toggle { display: none; }
.nav-mobile-cta { display: none; }
.nav-search-pop {
  position: fixed;
  top: 96px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  width: calc(100% - 48px);
  max-width: 720px;
  padding: 16px 20px;
  background: rgba(11, 20, 40, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 1001;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4);
}
.nav-search-pop.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-search-wrap {
  display: flex;
  align-items: center;
}
.nav-search-input {
  flex: 1;
  height: 42px;
  border-radius: 999px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  min-width: 0;
  transition: border-color 0.25s ease;
}
.nav-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.12);
}
.article-hero {
  position: relative;
  padding: 150px 0 24px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0, 229, 160, 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 0%, rgba(0, 184, 255, 0.05), transparent 45%),
    linear-gradient(180deg, rgba(7, 14, 31, 0.92), #070E1F);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--text-sub);
  transition: color 0.25s ease;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.25); }
.breadcrumb .current {
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}
.article-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: var(--text-main);
  text-shadow: 0 2px 24px rgba(0, 229, 160, 0.12);
  word-break: break-word;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-sub);
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i { color: var(--primary); font-size: 13px; }
.meta-item time { font-family: var(--font-mono); letter-spacing: 0.5px; }
.article-main {
  position: relative;
  padding: 36px 0 40px;
}
.article-body {
  font-size: 17px;
  line-height: 1.85;
  color: #D5E2F5;
  word-break: break-word;
}
.article-body > * {
  margin-bottom: 26px;
}
.article-body > *:last-child { margin-bottom: 0; }
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 46px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  color: var(--text-main);
  line-height: 1.45;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text-main);
}
.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 10px;
  color: var(--text-main);
}
.article-body p {
  margin-bottom: 26px;
}
.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(0, 229, 160, 0.3);
  padding-bottom: 1px;
}
.article-body a:hover {
  border-color: var(--primary);
  color: #fff;
}
.article-body blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(0, 229, 160, 0.05);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 28px 0;
  color: var(--text-sub);
  font-style: normal;
}
.article-body blockquote p { margin-bottom: 0; }
.article-body img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin: 24px 0;
}
.article-body figure {
  margin: 28px 0;
}
.article-body figure img {
  margin: 0 0 8px;
}
.article-body figcaption {
  font-size: 13px;
  color: var(--text-sub);
  text-align: center;
  line-height: 1.6;
}
.article-body pre {
  background: rgba(5, 10, 22, 0.85);
  border-radius: 12px;
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin: 28px 0;
}
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(0, 229, 160, 0.1);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--primary);
}
.article-body pre code {
  background: transparent;
  padding: 0;
  color: #C9E4D8;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
  border-radius: 10px;
  overflow-x: auto;
  display: block;
}
@media (min-width: 768px) {
  .article-body table { display: table; }
}
.article-body th,
.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  white-space: nowrap;
}
.article-body tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.03);
}
.article-body th {
  background: rgba(0, 229, 160, 0.1);
  color: var(--primary);
  font-weight: 600;
}
.article-body ul {
  list-style: disc;
  padding-left: 24px;
}
.article-body ol {
  list-style: decimal;
  padding-left: 24px;
}
.article-body li {
  margin-bottom: 8px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-sub);
  text-decoration: none;
  transition: all 0.25s ease;
}
.tag-primary {
  border-color: rgba(0, 229, 160, 0.3);
  color: var(--primary);
  background: rgba(0, 229, 160, 0.08);
}
.tag-link:hover {
  border-color: rgba(0, 229, 160, 0.4);
  color: var(--primary);
  background: rgba(0, 229, 160, 0.08);
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.share-label {
  font-size: 14px;
  color: var(--text-sub);
  margin-right: 4px;
}
.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-sub);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.share-btn:hover {
  color: var(--primary);
  border-color: rgba(0, 229, 160, 0.4);
  background: rgba(0, 229, 160, 0.08);
  transform: translateY(-2px);
}
.share-btn:active { transform: scale(0.95); }
.article-empty {
  text-align: center;
  padding: 80px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  background: rgba(15, 30, 55, 0.4);
}
.empty-icon {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 20px;
  opacity: 0.7;
}
.empty-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.empty-desc {
  color: var(--text-sub);
  margin-bottom: 28px;
}
.related-section {
  padding: 60px 0 40px;
  background: linear-gradient(180deg, transparent, rgba(0, 229, 160, 0.03));
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.title-marker {
  width: 6px;
  height: 22px;
  background: var(--primary);
  border-radius: 3px;
  display: inline-block;
  box-shadow: 0 0 12px rgba(0, 229, 160, 0.5);
}
.related-wrap {
  display: flex;
  flex-wrap: wrap;
  margin-left: -12px;
  margin-right: -12px;
}
.related-col {
  padding-left: 12px;
  padding-right: 12px;
  margin-bottom: 24px;
}
.related-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  color: var(--text-main);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 229, 160, 0.4);
}
.related-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--bg-base);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.05);
}
.related-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  color: var(--primary);
  background: rgba(5, 10, 22, 0.8);
  border: 1px solid rgba(0, 229, 160, 0.3);
  backdrop-filter: blur(4px);
}
.related-info {
  padding: 18px 20px 20px;
}
.related-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text-main);
  transition: color 0.25s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-title {
  color: var(--primary);
}
.related-date {
  font-size: 13px;
  color: var(--text-sub);
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.back-link-wrap {
  text-align: center;
  margin-top: 16px;
  padding-bottom: 40px;
}
.subscribe-section {
  padding: 24px 0 80px;
}
.subscribe-card {
  background: linear-gradient(135deg, rgba(15, 30, 55, 0.9), rgba(7, 14, 31, 0.85));
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  box-shadow: 0 0 40px rgba(0, 229, 160, 0.1);
}
.subscribe-title {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.subscribe-desc {
  color: var(--text-sub);
  margin-bottom: 28px;
  font-size: 16px;
}
.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.subscribe-input {
  flex: 1;
  height: 48px;
  border-radius: 999px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-main);
  font-size: 15px;
  outline: none;
  min-width: 0;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.subscribe-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
}
.subscribe-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-sub);
  opacity: 0.75;
}
.site-footer {
  background: #050A16;
  border-top: 1px solid rgba(0, 229, 160, 0.15);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-desc {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  max-width: 260px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-sub);
  font-size: 14px;
  transition: color 0.25s ease;
}
.footer-links a:hover {
  color: var(--primary);
}
.footer-subscribe p {
  color: var(--text-sub);
  font-size: 14px;
  margin-bottom: 16px;
}
.footer-form {
  display: flex;
  gap: 8px;
}
.footer-form input {
  flex: 1;
  height: 40px;
  border-radius: 999px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  font-size: 14px;
  min-width: 0;
  outline: none;
  transition: border-color 0.25s ease;
}
.footer-form input:focus {
  border-color: var(--primary);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy,
.footer-icp {
  color: rgba(140, 163, 199, 0.6);
  font-size: 13px;
}
.back-to-top {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-sub);
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.back-to-top:hover {
  color: var(--primary);
  border-color: rgba(0, 229, 160, 0.4);
  background: rgba(0, 229, 160, 0.08);
  transform: translateY(-3px);
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}
@media (max-width: 1024px) {
  .nav-dock {
    margin: 0 16px;
    max-width: none;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 14, 31, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 1000;
    margin-left: 0;
  }
  .nav-dock.nav-open .nav-links {
    display: flex;
  }
  .nav-link {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    opacity: 0.85;
  }
  .nav-link.active {
    opacity: 1;
    color: var(--primary);
  }
  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 1050;
  }
  .logo {
    position: relative;
    z-index: 1050;
  }
  .nav-search {
    display: inline-flex;
  }
  .nav-cta {
    display: none;
  }
  .nav-mobile-cta {
    display: inline-flex;
    margin-top: 16px;
  }
  .article-title {
    font-size: 32px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .container-narrow {
    padding-left: 20px;
    padding-right: 20px;
  }
  .article-hero {
    padding-top: 130px;
  }
  .article-title {
    font-size: 28px;
  }
  .article-meta {
    gap: 12px;
  }
  .related-wrap {
    margin-left: -10px;
    margin-right: -10px;
  }
  .related-col {
    padding-left: 10px;
    padding-right: 10px;
  }
  .subscribe-card {
    padding: 40px 24px;
  }
  .subscribe-form {
    flex-direction: column;
    max-width: 400px;
  }
  .subscribe-input {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 32px;
  }
  .footer-form {
    max-width: 400px;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}
@media (max-width: 640px) {
  .nav-dock {
    border-radius: 24px;
    height: 56px;
    padding: 0 16px;
    margin: 0 12px;
  }
  .logo {
    font-size: 18px;
  }
  .logo-mark {
    width: 22px;
    height: 22px;
  }
  .article-hero {
    padding-top: 116px;
    padding-bottom: 16px;
  }
  .breadcrumb .current {
    max-width: 130px;
  }
  .article-title {
    font-size: 24px;
    line-height: 1.35;
  }
  .article-body {
    font-size: 16px;
    line-height: 1.75;
  }
  .article-body h2 {
    font-size: 21px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .related-col {
    width: 100%;
  }
  .subscribe-title {
    font-size: 24px;
  }
  .subscribe-desc {
    font-size: 14px;
  }
  .subscribe-form {
    max-width: 100%;
  }
  .subscribe-card {
    padding: 32px 20px;
  }
  .footer-form {
    flex-direction: column;
  }
  .footer-form input {
    width: 100%;
  }
  .footer-form .btn {
    width: 100%;
  }
  .btn-primary, .btn-ghost {
    padding: 0 20px;
  }
  .nav-search-pop {
    top: 84px;
    width: calc(100% - 32px);
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg-deep:#070E1F;
  --bg-base:#0B1428;
  --bg-footer:#050A16;
  --primary:#00E5A0;
  --secondary:#FFB020;
  --text-main:#EAF2FF;
  --text-muted:#8CA3C7;
  --card-bg:rgba(15,30,55,0.68);
  --border-primary:rgba(0,229,160,0.3);
  --border-main:rgba(30,58,95,0.5);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:6px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,0.25);
  --shadow-glow:0 14px 40px rgba(0,229,160,0.12);
  --shadow-btn:0 0 20px rgba(0,229,160,0.35);
  --transition:0.25s ease;
  --font-main:'PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono',Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-base) 100%);
  color:var(--text-main);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:var(--transition);}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;letter-spacing:0.2px;
  transition:var(--transition);white-space:nowrap;gap:8px;
}
.btn-primary{
  background:linear-gradient(135deg,#00E5A0,#00C98A);
  color:#08182B;box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(0,229,160,0.5);}
.btn-primary:active{transform:scale(0.98);box-shadow:0 0 12px rgba(0,229,160,0.3);}
.btn-ghost{
  background:rgba(255,255,255,0.06);color:var(--text-main);
  border:1px solid rgba(255,255,255,0.2);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,0.12);border-color:rgba(0,229,160,0.5);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:4px;}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:16px 24px 0;pointer-events:none;
}
.nav-dock{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;background:rgba(15,30,55,0.68);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,0.1);
  box-shadow:var(--shadow-card);
  pointer-events:auto;transition:background 0.3s ease,border-color 0.3s ease;
}
.nav-dock.scrolled{background:rgba(7,14,31,0.92);}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-0.5px;color:var(--text-main);}
.logo-mark{
  width:28px;height:28px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),#00A6FF);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  box-shadow:0 0 16px rgba(0,229,160,0.4);
}
.nav-links{display:flex;align-items:center;gap:8px;}
.nav-link{
  position:relative;padding:10px 16px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,0.8);border-radius:var(--radius-pill);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.06);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 8px rgba(0,229,160,0.6);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.8);border:1px solid rgba(255,255,255,0.15);
  transition:var(--transition);
}
.nav-search:hover{color:var(--primary);border-color:var(--primary);}
.nav-toggle{
  width:40px;height:40px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  color:var(--text-main);border:1px solid rgba(255,255,255,0.15);
}
.nav-search-pop{
  max-width:1200px;margin:12px auto 0;pointer-events:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:var(--transition);
}
.nav-search-pop.open{opacity:1;visibility:visible;transform:translateY(0);}
.nav-search-wrap{
  display:flex;align-items:center;padding:12px 16px;
  background:rgba(7,14,31,0.95);border-radius:var(--radius-md);
  border:1px solid rgba(0,229,160,0.3);backdrop-filter:blur(16px);
}
.nav-search-input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--text-main);font-size:15px;padding:4px 8px;
}
.nav-search-input::placeholder{color:#8CA3C7;}

/* ===== Mobile Nav Overlay ===== */
.mobile-nav-overlay{
  position:fixed;inset:0;background:rgba(7,14,31,0.97);
  backdrop-filter:blur(12px);z-index:999;
  display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:24px;padding:32px;
  opacity:0;visibility:hidden;transition:var(--transition);
}
.mobile-nav-overlay.open{opacity:1;visibility:visible;}
.mobile-nav-overlay a{font-size:24px;font-weight:700;color:var(--text-main);padding:8px 24px;}
.mobile-nav-overlay a:hover,.mobile-nav-overlay a.active{color:var(--primary);}
.mobile-nav-overlay .btn{margin-top:16px;}

/* ===== Hero Banner ===== */
.category-banner{
  position:relative;min-height:300px;margin-top:96px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(rgba(7,14,31,0.35),rgba(7,14,31,0.85)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.category-banner::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);
  background-size:60px 60px;pointer-events:none;
}
.category-banner::after{
  content:'';position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(0,229,160,0.12),transparent 70%);
  pointer-events:none;
}
.banner-content{
  position:relative;z-index:2;text-align:center;padding:48px 24px;
}
.banner-content .breadcrumb{
  font-size:13px;color:var(--text-muted);margin-bottom:8px;
}
.banner-content .breadcrumb a{color:var(--text-muted);}
.banner-content .breadcrumb a:hover{color:var(--primary);}
.banner-content h1{
  font-size:clamp(32px,5vw,48px);font-weight:800;letter-spacing:-0.5px;
  color:#fff;text-shadow:0 0 30px rgba(0,229,160,0.25);
  margin-bottom:12px;
}
.banner-content p{
  max-width:640px;margin:0 auto;font-size:16px;color:rgba(255,255,255,0.75);
}
.banner-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(0,229,160,0.4);background:rgba(0,229,160,0.08);
  font-size:12px;letter-spacing:1px;color:var(--primary);margin-bottom:16px;
}
.banner-badge .dot{
  width:8px;height:8px;border-radius:50%;background:var(--secondary);
  animation:pulse 1.5s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.4;}}
.gradient-divider{
  height:120px;background:linear-gradient(transparent,var(--bg-base));
  margin-top:-120px;position:relative;z-index:3;pointer-events:none;
}

/* ===== Section Shared ===== */
.section{padding:72px 0;}
.section-head{margin-bottom:40px;}
.section-head .marker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:1.5px;color:var(--primary);font-weight:600;
}
.section-head .marker::before{
  content:'';width:10px;height:10px;background:var(--primary);
  box-shadow:0 0 8px rgba(0,229,160,0.5);
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-0.5px;
  margin-top:8px;line-height:1.3;
}
.section-head .more-link{
  font-size:14px;color:var(--text-muted);display:inline-flex;align-items:center;gap:4px;
}
.section-head .more-link:hover{color:var(--primary);}

/* ===== Featured Cards ===== */
.featured-cards{
  background:linear-gradient(180deg,var(--bg-base),#0D1930);
  position:relative;
}
.replay-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.replay-card{
  background:var(--card-bg);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border-main);
  overflow:hidden;position:relative;
  transition:transform 0.25s ease,box-shadow 0.25s ease,border-color 0.25s ease;
}
.replay-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-glow);
  border-color:rgba(0,229,160,0.5);
}
.replay-card-top{position:relative;aspect-ratio:16/9;overflow:hidden;}
.replay-card-top img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.replay-card:hover .replay-card-top img{transform:scale(1.04);}
.replay-duration{
  position:absolute;bottom:12px;right:12px;z-index:2;
  font-family:var(--font-mono);font-size:13px;
  padding:4px 10px;background:rgba(5,10,22,0.85);
  color:var(--primary);border-radius:var(--radius-sm);
  border:1px solid rgba(0,229,160,0.3);
}
.replay-type{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;padding:4px 10px;border-radius:var(--radius-sm);
  background:rgba(0,229,160,0.15);color:var(--primary);
  border:1px solid rgba(0,229,160,0.3);
}
.replay-body{padding:20px 24px 24px;}
.replay-body h3{
  font-size:19px;font-weight:700;line-height:1.4;margin-bottom:6px;
  display:flex;align-items:start;justify-content:space-between;gap:12px;
}
.replay-body h3 a:hover{color:var(--primary);}
.replay-date{
  font-family:var(--font-mono);font-size:13px;color:var(--text-muted);
  display:flex;align-items:center;gap:8px;margin-bottom:8px;
}
.replay-date i{color:var(--primary);font-size:12px;}
.replay-desc{font-size:14px;color:var(--text-muted);line-height:1.65;margin-bottom:14px;}
.replay-footer{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,0.06);padding-top:14px;
}
.play-btn{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.08);border:1px solid rgba(0,229,160,0.3);
  color:var(--primary);transition:var(--transition);
}
.play-btn:hover{
  background:var(--primary);color:#08182B;
  box-shadow:0 0 20px rgba(0,229,160,0.5);transform:scale(1.08);
}
.replay-tag{
  font-size:12px;color:var(--text-muted);padding:4px 10px;
  border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,0.12);
}

/* ===== Highlight Feature ===== */
.feature-banner{
  position:relative;padding:72px 0;
  background:linear-gradient(180deg,#0D1930,#0B1428);
}
.feature-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.feature-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.feature-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(7,14,31,0.4));
}
.feature-media .media-label{
  position:absolute;bottom:16px;left:16px;z-index:2;
  font-size:12px;letter-spacing:1px;color:var(--primary);
  background:rgba(7,14,31,0.7);padding:6px 12px;border-radius:var(--radius-sm);
  border:1px solid rgba(0,229,160,0.3);
}
.feature-list{display:flex;flex-direction:column;gap:20px;}
.feature-item{
  display:flex;gap:16px;padding:16px;border-radius:var(--radius-md);
  background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.06);
  transition:var(--transition);
}
.feature-item:hover{background:rgba(0,229,160,0.04);border-color:rgba(0,229,160,0.2);}
.feature-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,229,160,0.1);color:var(--primary);font-size:18px;
}
.feature-text h4{font-size:16px;font-weight:600;margin-bottom:4px;}
.feature-text p{font-size:14px;color:var(--text-muted);line-height:1.6;}

/* ===== Steps ===== */
.steps-section{background:#0B1428;}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  background:var(--card-bg);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);padding:32px 24px;text-align:center;
  border:1px solid var(--border-main);position:relative;
  transition:var(--transition);
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-glow);border-color:rgba(0,229,160,0.4);}
.step-num{
  font-family:var(--font-mono);font-size:36px;font-weight:700;
  color:var(--primary);opacity:0.5;line-height:1;
}
.step-card h4{font-size:18px;font-weight:700;margin:16px 0 8px;}
.step-card p{font-size:14px;color:var(--text-muted);line-height:1.65;}
.step-line{
  width:32px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);
  margin:12px auto 0;
}

/* ===== Tags ===== */
.tags-wrapper{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.tag-item{
  padding:8px 20px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--text-muted);background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.1);transition:var(--transition);
}
.tag-item:hover{
  color:var(--primary);border-color:rgba(0,229,160,0.5);
  background:rgba(0,229,160,0.06);transform:translateY(-2px);
}

/* ===== FAQ ===== */
.faq-section{background:linear-gradient(180deg,#0B1428,#0D1930);}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card-bg);border-radius:var(--radius-md);
  border:1px solid var(--border-main);overflow:hidden;
  backdrop-filter:blur(14px);transition:var(--transition);
}
.faq-item:hover{border-color:rgba(0,229,160,0.3);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;cursor:pointer;
  list-style:none;transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{color:var(--primary);}
.faq-icon{
  width:24px;height:24px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:400;border:1px solid rgba(0,229,160,0.3);
  color:var(--primary);transition:transform 0.3s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{
  padding:0 24px 20px;font-size:14px;color:var(--text-muted);
  border-top:1px solid rgba(255,255,255,0.08);padding-top:16px;
  line-height:1.85;
}

/* ===== Subscribe CTA ===== */
.subscribe-cta{padding:88px 0;background:#0B1428;position:relative;overflow:hidden;}
.subscribe-cta::before{
  content:'';position:absolute;bottom:-120px;left:50%;transform:translateX(-50%);
  width:600px;height:300px;background:radial-gradient(ellipse,rgba(0,229,160,0.12),transparent 70%);
  pointer-events:none;
}
.subscribe-panel{
  position:relative;max-width:860px;margin:0 auto;padding:48px 48px;
  background:rgba(7,14,31,0.6);border-radius:var(--radius-lg);
  border:1px solid rgba(0,229,160,0.2);
  box-shadow:0 0 40px rgba(0,229,160,0.12);
  text-align:center;backdrop-filter:blur(14px);
}
.subscribe-panel h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:12px;}
.subscribe-panel p{color:var(--text-muted);font-size:15px;margin-bottom:24px;}
.subscribe-form{
  display:flex;gap:12px;max-width:480px;margin:0 auto;
}
.subscribe-form input{
  flex:1;height:48px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.2);
  padding:0 24px;color:var(--text-main);font-size:15px;outline:none;
  transition:var(--transition);
}
.subscribe-form input:focus{border-color:var(--primary);background:rgba(255,255,255,0.1);}
.subscribe-form input::placeholder{color:#8CA3C7;}
.subscribe-note{
  margin-top:16px;font-size:12px;color:#5E7A9F;
}

/* ===== CTA Banner ===== */
.cta-banner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(0,229,160,0.08),rgba(0,102,255,0.05));
  border:1px solid rgba(0,229,160,0.2);position:relative;overflow:hidden;
}
.cta-banner::before{
  content:'';position:absolute;right:-40px;top:-40px;width:200px;height:200px;
  border-radius:50%;background:rgba(0,229,160,0.08);pointer-events:none;
}
.cta-banner h3{font-size:24px;font-weight:800;margin-bottom:8px;}
.cta-banner p{color:var(--text-muted);font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-footer);padding:64px 0 32px;
  border-top:1px solid rgba(0,229,160,0.15);
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:40px;padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-muted);max-width:280px;line-height:1.7;}
.footer-title{
  font-size:16px;font-weight:700;color:var(--text-main);margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:var(--text-muted);transition:var(--transition);
}
.footer-links a:hover{color:var(--primary);padding-left:4px;}
.footer-subscribe p{font-size:13px;color:var(--text-muted);margin-bottom:12px;}
.footer-form{display:flex;gap:8px;}
.footer-form input{
  flex:1;height:40px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.15);
  padding:0 16px;font-size:14px;color:var(--text-main);outline:none;
}
.footer-form input:focus{border-color:var(--primary);}
.footer-form .btn{height:40px;padding:0 18px;font-size:14px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,0.06);padding-top:24px;
  font-size:13px;color:var(--text-muted);flex-wrap:wrap;
}
.back-to-top{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,0.15);
  color:var(--text-muted);transition:var(--transition);
}
.back-to-top:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-3px);}

/* ===== Focus ===== */
a:focus-visible,button:focus-visible{
  outline:2px solid var(--primary);outline-offset:4px;
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .feature-wrap{grid-template-columns:1fr;gap:32px;}
  .steps-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .site-header{padding:12px 16px 0;}
  .nav-dock{border-radius:24px;padding:0 16px;height:60px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .category-banner{margin-top:84px;min-height:280px;}
  .section{padding:48px 0;}
  .replay-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;}
  .subscribe-panel{padding:32px 20px;}
  .subscribe-form{flex-direction:column;}
  .cta-banner{flex-direction:column;text-align:center;padding:32px 20px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .feature-wrap{grid-template-columns:1fr;}
  .banner-content h1{font-size:28px;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}