/* roulang page: index */
:root{
  --bg-base:#060a13;
  --bg-deep:#0a101d;
  --bg-navy:#0b1220;
  --primary:#2f7bff;
  --secondary:#00d4a4;
  --accent:#ffb02e;
  --text:#d6dde8;
  --muted:#9fb0c7;
  --faint:#5d6b84;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --r-xs:8px;
  --r-md:14px;
  --r-lg:20px;
  --sidebar-width:240px;
  --content-width:1200px;
  --shadow-primary:0 0 24px rgba(47,123,255,.35);
  --shadow-primary-lg:0 0 42px rgba(47,123,255,.6);
  --shadow-secondary:0 0 22px rgba(0,212,164,.35);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-stack);
  background:var(--bg-base);
  color:var(--text);
  font-size:15px;
  line-height:1.9;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button{font:inherit;border:none;background:none;color:inherit;cursor:pointer}
ul,li{list-style:none}
input{font:inherit}
:focus-visible{
  outline:2px solid rgba(255,255,255,.6);
  outline-offset:3px;
  border-radius:4px;
}
::selection{background:rgba(47,123,255,.35);color:#fff}
.container{width:100%;max-width:var(--content-width);margin:0 auto;padding:0 clamp(22px,4vw,48px)}
.section{padding:clamp(64px,8vw,110px) 0}
.glass-card{
  background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--border);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-radius:var(--r-lg);
  transition:border-color .3s ease,transform .3s ease;
}
.glass-card:hover{border-color:rgba(47,123,255,.35)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--primary);
  text-transform:uppercase;
  font-weight:600;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--primary);box-shadow:0 0 12px rgba(47,123,255,.8);border-radius:2px}
.section-head{margin-bottom:clamp(30px,5vw,56px)}
.section-head h2{
  font-size:clamp(28px,3.4vw,42px);
  font-weight:800;
  line-height:1.25;
  margin-top:8px;
  letter-spacing:-.02em;
}
.section-head p.lead{
  color:var(--muted);
  max-width:620px;
  margin-top:12px;
  font-size:15px;
}
.sec-extra{margin-top:10px}
.text-primary{color:var(--primary)}
.text-muted{color:var(--muted)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(47,123,255,.15);
  color:#7fb7ff;
  border:1px solid rgba(47,123,255,.22);
  border-radius:999px;
  padding:5px 13px;
  font-size:12px;
  font-weight:600;
  line-height:1.4;
}
.badge.green{
  background:rgba(0,212,164,.14);
  border-color:rgba(0,212,164,.28);
  color:#4fe4c1;
}
.badge.gold{
  background:rgba(255,176,46,.14);
  border-color:rgba(255,176,46,.28);
  color:#ffcc7a;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 25px;
  border-radius:var(--r-xs);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  text-align:center;
  transition:all .25s ease;
  cursor:pointer;
  border:1px solid transparent;
}
.btn:disabled{cursor:not-allowed;opacity:.5;box-shadow:none}
.btn-primary{
  background:linear-gradient(120deg,#2f7bff,#3a90ff);
  color:#fff;
  box-shadow:var(--shadow-primary);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-primary-lg);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(47,123,255,.35)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-strong);
  color:var(--text);
}
.btn-ghost:hover{
  color:#fff;
  border-color:rgba(47,123,255,.65);
  box-shadow:0 0 16px rgba(47,123,255,.22);
  background:rgba(47,123,255,.06);
}
.btn-ghost:active{transform:translateY(1px)}
.btn-green{
  background:linear-gradient(120deg,#00b388,#00d4a4);
  color:#04120e;
  box-shadow:var(--shadow-secondary);
}
.btn-green:hover{
  color:#04120e;
  transform:translateY(-2px);
  box-shadow:0 0 34px rgba(0,212,164,.5);
}
.btn-lg{padding:17px 36px;font-size:17px;border-radius:10px}
.btn-block{width:100%}

/* Layout with left sidebar */
.layout{display:block}
.side{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--sidebar-width);
  z-index:100;
  background:linear-gradient(180deg,#0c1424 0%,#0b1220 55%,#0a101d 100%);
  border-right:1px solid rgba(255,255,255,.05);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.12) transparent;
}
.side::-webkit-scrollbar{width:4px}
.side::-webkit-scrollbar-track{background:transparent}
.side::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px}
.side-inner{padding:26px 20px 22px;display:flex;flex-direction:column;min-height:100vh}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 4px 18px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.brand-mark{
  flex:0 0 42px;
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,#2f7bff 10%,#114aff 90%);
  border-radius:12px;
  font-weight:900;
  font-size:17px;
  letter-spacing:-.04em;
  color:#fff;
  box-shadow:0 0 18px rgba(47,123,255,.4),inset 0 0 10px rgba(255,255,255,.15);
}
.brand-copy{display:flex;flex-direction:column;line-height:1.2}
.brand-title{
  font-size:19px;
  font-weight:800;
  color:#f0f4ff;
  letter-spacing:.02em;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.brand-tag{
  font-size:10px;
  color:#8ec4ff;
  background:rgba(47,123,255,.16);
  border:1px solid rgba(47,123,255,.28);
  padding:2px 7px;
  border-radius:5px;
  letter-spacing:.1em;
  font-weight:600;
}
.nav-caption{
  padding:22px 12px 10px;
  font-size:11px;
  letter-spacing:.18em;
  color:var(--faint);
  font-weight:700;
  text-transform:uppercase;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{
  display:flex;
  align-items:center;
  gap:13px;
  padding:11px 12px;
  border-radius:12px;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  position:relative;
  transition:all .2s ease;
}
.nav-link svg{flex:0 0 19px;width:19px;height:19px}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(90deg,rgba(47,123,255,.22),rgba(47,123,255,.06));
}
.nav-link.active::before{
  content:"";
  position:absolute;
  left:-20px;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:24px;
  border-radius:0 4px 4px 0;
  background:var(--primary);
  box-shadow:0 0 14px rgba(47,123,255,.7);
}
.side-foot{
  margin-top:auto;
  padding:18px 8px 4px;
  border-top:1px solid rgba(255,255,255,.06);
}
.foot-warn{
  font-size:12px;
  color:var(--faint);
  display:flex;
  gap:8px;
  line-height:1.7;
}
.foot-warn::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;margin-top:7px;background:var(--secondary);box-shadow:0 0 10px rgba(0,212,164,.6)}
.side-copy{margin-top:10px;font-size:11px;color:var(--faint)}

/* Main / content top */
.main{display:block;margin-left:var(--sidebar-width);min-height:100vh;background:var(--bg-deep);position:relative}
.content-top{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,22,.75);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.top-inner{
  max-width:var(--content-width);
  min-height:58px;
  margin:0 auto;
  padding:0 clamp(22px,4vw,48px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.mobile-logo{display:none;font-weight:800;color:#fff;font-size:17px}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--muted);
  background:rgba(0,212,164,.08);
  border:1px solid rgba(0,212,164,.18);
  border-radius:999px;
  padding:6px 14px;
  letter-spacing:.02em;
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--secondary);box-shadow:0 0 10px var(--secondary);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:rgba(255,255,255,.03);align-items:center;padding:8px}
.menu-btn span{width:18px;height:2px;background:#dce6ff;border-radius:2px;display:block;transition:all .3s}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);z-index:90;opacity:0;pointer-events:none;transition:opacity .25s}
body.menu-open .menu-mask{display:block;opacity:1;pointer-events:auto}

/* Hero */
.hero{
  position:relative;
  min-height:calc(100vh - 58px);
  display:flex;
  align-items:center;
  padding:clamp(50px,8vh,110px) 0 92px;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 78% 18%,rgba(47,123,255,.16),transparent 42%),
    linear-gradient(110deg,rgba(5,9,17,.97) 16%,rgba(8,14,26,.84) 55%,rgba(10,16,29,.72)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.hero::after{
  content:"";
  position:absolute;
  right:8%;
  bottom:-90px;
  width:380px;
  height:380px;
  background:radial-gradient(circle,rgba(0,212,164,.08),transparent 65%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.28fr) minmax(280px,.72fr);
  gap:clamp(30px,6vw,88px);
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#78b2ff;
  border:1px solid rgba(47,123,255,.25);
  background:rgba(47,123,255,.08);
  padding:7px 15px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.hero-title{
  margin-top:24px;
  color:#fff;
  font-size:clamp(40px,5.8vw,78px);
  font-weight:800;
  line-height:1.07;
  letter-spacing:-.025em;
}
.hero-title .brand{
  background:linear-gradient(90deg,#ffffff 0%,#bcd7ff 60%,#7cb1ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}
.hero-title .glow-key{
  color:var(--primary);
  -webkit-text-fill-color:#3f8bff;
  text-shadow:0 0 30px rgba(47,123,255,.45);
  background:none;
}
.hero-sub{
  max-width:560px;
  margin-top:22px;
  font-size:clamp(15px,1.5vw,19px);
  line-height:1.9;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:15px;
  margin-top:34px;
}
.hero-points{
  gap:18px 34px;
  margin-top:38px;
  display:flex;
  flex-wrap:wrap;
}
.hero-points li{
  display:inline-flex;
  gap:9px;
  align-items:center;
  color:#c5d2e3;
  font-size:14px;
}
.hero-points li::before{
  content:"";
  width:7px;
  height:7px;
  background:var(--secondary);
  border-radius:2px;
  transform:rotate(45deg);
  box-shadow:0 0 10px rgba(0,212,164,.65);
  flex:0 0 auto;
}
.hero-panel{
  padding:26px;
  background:
    linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.02)),
    rgba(9,16,30,.25);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 24px 70px rgba(0,0,0,.3);
  position:relative;
}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:14px;
  font-weight:700;
  color:#fff;
  padding-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.live-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  color:#57e6c1;
  background:rgba(0,212,164,.12);
  border:1px solid rgba(0,212,164,.2);
  padding:3px 11px;
  border-radius:999px;
  font-weight:500;
}
.live-tag::before{content:"";width:6px;height:6px;background:var(--secondary);border-radius:50%;box-shadow:0 0 8px var(--secondary)}
.panel-list{margin-top:12px;display:flex;flex-direction:column}
.kv-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 2px;
  border-bottom:1px dashed rgba(255,255,255,.07);
}
.kv-row:last-of-type{border-bottom:0}
.kv-label{color:var(--muted);font-size:13px}
.kv-value{color:#fff;font-weight:800;font-size:18px;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.panel-note{
  margin-top:10px;
  padding-top:12px;
  border-top:1px dashed rgba(255,255,255,.08);
  color:var(--faint);
  font-size:11px;
  line-height:1.6;
}
.hero-scroll{
  position:absolute;
  left:50%;
  bottom:28px;
  z-index:3;
  transform:translateX(-50%);
  color:var(--faint);
  font-size:12px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.hero-scroll span{display:block;width:26px;height:42px;border:1px solid rgba(255,255,255,.18);border-radius:20px;position:relative}
.hero-scroll span::before{content:"";position:absolute;left:50%;top:8px;width:4px;height:7px;background:#fff;border-radius:4px;transform:translateX(-50%);animation:scrollHint 1.8s infinite}
@keyframes scrollHint{0%{opacity:.3;top:8px}100%{opacity:1;top:18px}}

/* Rules / play section */
.play-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
  gap:24px;
  align-items:stretch;
}
.play-card{padding:clamp(24px,4vw,36px)}
.play-card-head{display:flex;align-items:center;gap:14px}
.play-card-head .icon-badge{
  width:42px;height:42px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:12px;color:#fff;
  background:linear-gradient(135deg,#2f7bff,#4b9cff);
  box-shadow:0 0 18px rgba(47,123,255,.3);
  font-size:18px;
}
.play-card-head h3{color:#fff;font-size:19px;font-weight:700}
.play-steps{margin-top:28px;display:grid;gap:16px}
.step-item{
  display:flex;
  gap:18px;
  padding-bottom:16px;
  position:relative;
}
.step-item:not(:last-child)::before{
  content:"";
  position:absolute;
  left:17px;
  top:40px;
  bottom:-4px;
  width:1px;
  background:linear-gradient(rgba(47,123,255,.4),rgba(255,255,255,.04));
}
.step-num{
  flex:0 0 36px;
  width:36px;
  height:36px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(47,123,255,.14);
  border:1px solid rgba(47,123,255,.26);
  color:#7fb6ff;
  font-weight:800;
  font-size:13px;
}
.step-copy h4{color:#fff;font-size:15px;font-weight:700}
.step-copy p{font-size:13.5px;color:var(--muted);margin-top:4px;line-height:1.8}
.media-card{
  position:relative;
  min-height:100%;
  border-radius:var(--r-lg);
  background:
    linear-gradient(152deg,rgba(11,18,32,.92),rgba(7,11,20,.75)),
    url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  min-height:330px;
}
.media-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(3,6,14,.8));pointer-events:none}
.media-inner{position:relative;z-index:2;min-height:330px;display:flex;flex-direction:column;justify-content:flex-end;padding:30px}
.media-inner .badge{margin-bottom:auto;align-self:flex-start}
.media-title{color:#fff;font-size:clamp(21px,2.4vw,30px);font-weight:800;max-width:10em;line-height:1.3}
.media-desc{margin-top:8px;font-size:14px;color:#c0d0e6;max-width:24em}

/* Rewards */
.reward-strip{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:4px 2px 18px;
  scroll-snap-type:x proximity;
}
.reward-card{
  flex:0 0 292px;
  scroll-snap-align:start;
  padding:26px;
  background:linear-gradient(155deg,rgba(255,255,255,.07),rgba(255,255,255,.015));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);
  transition:transform .25s,border-color .25s,background-color .25s;
}
.reward-card:hover{transform:translateY(-2px);border-color:rgba(47,123,255,.36);background:linear-gradient(155deg,rgba(47,123,255,.12),rgba(255,255,255,.02))}
.reward-ico{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;
  font-size:21px;color:#fff;
  background:linear-gradient(140deg,#25375c,#101a30);
  border:1px solid rgba(255,255,255,.12);
}
.reward-ico.r1{background:linear-gradient(135deg,#2f7bff,#3a90ff);box-shadow:0 0 18px rgba(47,123,255,.35)}
.reward-ico.r2{background:linear-gradient(135deg,#00b388,#00dfb6);box-shadow:0 0 18px rgba(0,212,164,.3)}
.reward-ico.r3{background:linear-gradient(135deg,#e78300,#ffb02e);box-shadow:0 0 18px rgba(255,176,46,.3)}
.reward-ico.r4{background:linear-gradient(135deg,#7a3cff,#9a6cff);box-shadow:0 0 18px rgba(122,60,255,.35)}
.reward-tag{
  display:inline-flex;margin-top:20px;font-size:11px;letter-spacing:.08em;
  color:#88b9ff;background:rgba(47,123,255,.12);
  border:1px solid rgba(47,123,255,.2);padding:3px 10px;border-radius:999px;font-weight:600;
}
.reward-card h3{margin-top:10px;color:#fff;font-size:18px;font-weight:700}
.reward-card p{margin-top:8px;color:var(--muted);font-size:13.5px;line-height:1.8}
.reward-more{display:inline-flex;gap:4px;align-items:center;margin-top:14px;font-size:13px;color:var(--primary);font-weight:600}
.reward-more:hover{color:#9bc5ff}
.reward-card:hover .reward-more{color:#9bc5ff}

/* Progress demo */
.progress-wrap{padding:clamp(24px,4vw,40px)}
.task-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:24px;
}
.task-name{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.task-name h3{color:#fff;font-size:20px;font-weight:700}
.progress-box{margin-top:6px}
.progress-head{
  display:flex;
  justify-content:space-between;
  color:var(--muted);
  font-size:13px;
  margin-bottom:8px;
}
.progress-track{height:10px;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden}
.progress-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,#2f7bff,#00d4a4);border-radius:999px;box-shadow:0 0 14px rgba(2,194,255,.4);transition:width 2s ease}
.progress-track i.fill{width:64%}
.milestone-list{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.milestone{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-md);
  padding:18px 16px;
  text-align:center;
}
.milestone .dot{
  width:14px;height:14px;margin:0 auto 12px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.milestone.done .dot{background:var(--secondary);box-shadow:0 0 12px var(--secondary)}
.milestone.current .dot{background:var(--primary);box-shadow:0 0 14px rgba(47,123,255,.8);animation:pulse 1.8s infinite}
.milestone b{color:#fff;font-size:14px;display:block;margin-bottom:4px}
.milestone span{font-size:12px;color:var(--faint)}
.task-actions{margin-top:28px;display:flex;justify-content:flex-end}
.btn-muted{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  color:var(--faint);
}
.btn-muted:hover{color:var(--muted);border-color:rgba(255,255,255,.2)}

/* CTA */
.cta-section{
  position:relative;
  background:
    radial-gradient(ellipse at 20% 20%,rgba(0,212,164,.12),transparent 45%),
    radial-gradient(ellipse at 80% 30%,rgba(47,123,255,.2),transparent 45%),
    linear-gradient(rgba(5,9,19,.88),rgba(5,9,19,.88)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-panel{
  text-align:center;
  max-width:820px;
  margin:0 auto;
  padding:clamp(36px,6vw,68px) clamp(26px,5vw,56px);
  background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);
}
.cta-panel h2{color:#fff;font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.25}
.cta-panel p{margin:16px auto 0;max-width:520px;color:var(--muted);font-size:15px}
.cta-buttons{margin-top:32px;display:flex;flex-wrap:wrap;justify-content:center;gap:15px}
.cta-note{margin-top:22px;font-size:12px;color:var(--faint)}

/* News / CMS list */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card{
  display:flex;
  flex-direction:column;
  padding:26px;
  border-radius:var(--r-md);
  background:linear-gradient(150deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(47,123,255,.4)}
.news-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}
.news-cat{
  align-self:flex-start;
  font-size:11px;
  color:#78b2ff;
  background:rgba(47,123,255,.13);
  border:1px solid rgba(47,123,255,.2);
  padding:5px 12px;
  border-radius:999px;
  letter-spacing:.06em;
}
.news-date{
  font-size:12px;
  color:var(--faint);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.news-title{color:#fff;font-size:18px;font-weight:700;line-height:1.5;transition:color .2s}
.news-title:hover{color:#8dbdff}
.news-summary{margin-top:8px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-footer{margin-top:18px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.06);display:flex;justify-content:space-between;align-items:center;gap:12px}
.news-more{color:var(--primary);font-size:13px;font-weight:600;display:inline-flex;gap:5px;align-items:center}
.news-more:hover{color:#8dbdff}
.news-tagline{color:var(--faint);font-size:12px}
.list-empty{
  text-align:center;
  padding:70px 30px;
  background:linear-gradient(145deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);
  color:var(--muted);
  font-size:15px;
}

/* Trust and FAQ */
.faq-zone{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:26px}
.service-wrap{padding:clamp(24px,3vw,32px)}
.service-wrap h3{color:#fff;font-size:21px;font-weight:800;margin-bottom:8px}
.service-wrap > p{color:var(--muted);font-size:14px}
.service-list{margin-top:24px;display:flex;flex-direction:column;gap:18px}
.service-item{display:flex;gap:14px}
.service-item::before{
  content:"";
  flex:0 0 30px;
  width:30px;height:30px;
  background:rgba(47,123,255,.15);
  border:1px solid rgba(47,123,255,.25);
  border-radius:9px;
  margin-top:2px;
  background-image:linear-gradient(rgba(47,123,255,.7) 0 0),linear-gradient(rgba(47,123,255,.7) 0 0);
  background-size:14px 2px,7px 7px;
  background-repeat:no-repeat;
  background-position:center center;
  box-shadow:0 0 12px rgba(47,123,255,.12);
}
.service-item h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:3px}
.service-item p{color:var(--muted);font-size:13px;line-height:1.75}
.faq-wrap{padding:clamp(22px,3vw,28px)}
.faq-wrap .faq-title{color:#fff;font-size:19px;font-weight:800;display:flex;gap:10px;align-items:center}
.faq-wrap .faq-title::before{content:"FAQ";font-size:11px;color:var(--accent);border:1px solid rgba(255,176,46,.3);background:rgba(255,176,46,.1);padding:3px 9px;border-radius:6px}
.faq-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}
details.faq-item{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
  border-radius:13px;
  overflow:hidden;
  transition:background .25s,border-color .25s;
}
details.faq-item[open]{background:rgba(255,255,255,.05);border-color:rgba(47,123,255,.22)}
.faq-item summary{
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:12px;
  padding:15px 18px;
  font-size:15px;
  font-weight:600;
  color:#edeff6;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-icon{
  font-size:10px;
  font-weight:800;
  color:#7fb6ff;
  background:rgba(47,123,255,.13);
  border:1px solid rgba(47,123,255,.22);
  border-radius:7px;
  padding:3px 7px;
  flex:0 0 auto;
}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  color:var(--muted);
  font-size:18px;
  font-weight:500;
  transition:transform .3s;
  flex:0 0 auto;
}
.faq-item[open] summary::after{content:"–";color:var(--primary)}
.faq-item .faq-body{color:var(--muted);font-size:13.5px;line-height:1.8;padding:0 18px 16px 18px}
.faq-body .a-icon{color:var(--secondary);font-weight:800;margin-right:6px;font-size:10px;border:1px solid rgba(0,212,164,.3);padding:3px 6px;border-radius:6px;background:rgba(0,212,164,.08)}

/* Footer */
.footer{
  background:#05080f;
  border-top:1px solid rgba(255,255,255,.05);
  padding:56px 0 0;
}
.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:40px;
  padding-bottom:40px;
}
.footer-brand{max-width:440px}
.footer-brand .brand{
  border-bottom:0;
  padding:0 0 14px;
  display:inline-flex;
}
.footer-brand p{color:var(--muted);font-size:13px;margin-top:8px}
.footer-nav h4{font-size:13px;color:#fff;font-weight:700;letter-spacing:.1em;margin-bottom:16px}
.footer-nav ul{display:flex;gap:8px 26px;flex-wrap:wrap}
.footer-nav a{color:var(--muted);font-size:14px;transition:color .2s}
.footer-nav a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--faint);
}
.footer-bottom .legal-links{display:flex;gap:18px}
.footer-bottom a{color:var(--faint)}
.footer-bottom a:hover{color:#8dbdff}

/* Responsive */
@media(max-width:1100px){
  .hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(250px,.9fr);gap:28px}
  .news-card{padding:22px}
}
@media(max-width:990px){
  .reward-strip{display:grid;grid-template-columns:repeat(2,1fr);overflow:visible;gap:16px;padding:0}
  .reward-card{flex:0 0 auto}
  .play-grid{grid-template-columns:1fr}
  .faq-zone{grid-template-columns:1fr}
  .service-wrap{padding:28px}
}
@media(min-width:769px) and (max-width:990px){
  :root{--sidebar-width:76px}
  .side-inner{padding:22px 12px;align-items:stretch}
  .brand{justify-content:center}
  .brand-copy{display:none}
  .nav-caption{text-align:center;padding:18px 0 8px}
  .nav-link{justify-content:center;padding:13px 6px}
  .nav-link .nav-text{display:none}
  .nav-link span{display:block}
  .nav-link.active::before{left:-12px}
  .side-foot{padding:14px 4px}
  .foot-warn,.side-copy{font-size:10px;text-align:center;justify-content:center}
  .foot-warn::before{display:none}
}
@media(max-width:768px){
  body.menu-open .main{pointer-events:none}
  .menu-btn{display:inline-flex}
  .mobile-logo{display:block}
  .content-top{top:0}
  .top-inner{min-height:58px}
  :root{--sidebar-width:250px}
  .side{
    transform:translateX(-108%);
    width:var(--sidebar-width);
    transition:transform .3s cubic-bezier(.2,.8,.2,1);
  }
  body.menu-open .side{transform:translateX(0);box-shadow:10px 0 40px rgba(0,0,0,.35)}
  body.menu-open .main{pointer-events:none}
  .side-inner{padding:24px}
  .brand{justify-content:flex-start}
  .brand-copy{display:flex}
  .nav-caption{text-align:left;padding-left:2px}
  .nav-link{justify-content:flex-start}
  .nav-text{display:inline!important}
  .nav-link span{display:inline}
  .main{margin-left:0}
  .hero{min-height:auto;padding-top:52px}
  .hero-grid{grid-template-columns:1fr}
  .hero-panel{display:none}
  .hero-scroll{display:none}
  .news-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .reward-strip{grid-template-columns:1fr;gap:14px}
  .reward-card{width:100%}
  .top-inner{padding:0 14px}
  .status-pill{font-size:11px;padding:5px 10px}
  .hero-actions .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .cta-buttons .btn{width:100%}
}
@media(max-width:520px){
  .section{padding:56px 0}
  .container{padding:0 18px}
  .milestone-list{grid-template-columns:1fr;gap:10px}
  .news-card{padding:20px}
  .status-pill{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
}

/* roulang page: category1 */
:root {
  --bg-base: #060a13;
  --bg-panel: #0a101d;
  --bg-side: #0b1220;
  --bg-soft: #101b2e;
  --primary: #2f7bff;
  --primary-deep: #1d4fd6;
  --secondary: #00d4a4;
  --accent: #ffb02e;
  --text: #d6dde8;
  --muted: #9fb0c7;
  --border: rgba(255, 255, 255, .08);
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 20px;
  --shadow-primary: 0 0 24px rgba(47, 123, 255, .35);
  --shadow-green: 0 0 24px rgba(0, 212, 164, .32);
  --max-width: 1280px;
  --side-width: 240px;
  --space-section: 104px;
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 92% -10%, rgba(47, 123, 255, .16), transparent 60%),
    radial-gradient(800px 600px at 8% 22%, rgba(0, 212, 164, .06), transparent 55%),
    linear-gradient(145deg, #060a13 0%, #0a101d 70%, #070c17 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

button,
input {
  font-family: inherit;
}

button {
  cursor: pointer;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid rgba(255, 255, 255, .6);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 0 0 10px 10px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  transition: top .25s ease;
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

.side-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(4, 8, 16, .7);
  backdrop-filter: blur(2px);
}

body.menu-open .side-backdrop {
  display: block;
}

.mobile-top {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: 64px;
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 13, 24, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.mobile-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, .05);
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2px auto;
  background: currentColor;
  border-radius: 99px;
}

.side-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 80;
  width: var(--side-width);
  padding: 30px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  background:
    linear-gradient(180deg, rgba(12, 20, 32, .98), rgba(8, 14, 25, .98)),
    var(--bg-side);
  border-right: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 10%, var(--primary-deep) 90%);
  color: #fff;
  font-size: 18px;
  letter-spacing: 1px;
  font-weight: 800;
  box-shadow: var(--shadow-primary);
  border: 1px solid rgba(255, 255, 255, .2);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.3;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: #f1f5fb;
  white-space: nowrap;
}

.brand-tag {
  margin-left: 3px;
  display: inline-block;
  vertical-align: 2px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  color: #bcd3ff;
  background: rgba(47, 123, 255, .2);
  border: 1px solid rgba(47, 123, 255, .3);
}

.brand-desc {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 4px;
}

.side-nav {
  margin-top: 4px;
}

.nav-caption {
  font-size: 12px;
  letter-spacing: 3px;
  color: #5d6b84;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-left: 10px;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  color: var(--muted);
  font-size: 15px;
  transition: background .25s ease, color .25s ease;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  flex: none;
}

.nav-link:hover {
  color: #eaf1fc;
  background: rgba(255, 255, 255, .05);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(47, 123, 255, .1);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 99px;
  background: var(--primary);
  box-shadow: 0 0 12px rgba(47, 123, 255, .8);
}

.side-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-safe {
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  padding: 10px 12px;
  border-left: 2px solid rgba(0, 212, 164, .6);
  background: rgba(0, 212, 164, .06);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.side-note {
  font-size: 12px;
  color: #5d6b84;
  letter-spacing: .3px;
}

.main-content {
  margin-left: var(--side-width);
  min-height: 100vh;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.page-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  padding: 110px 0 70px;
  background:
    linear-gradient(180deg, rgba(6, 10, 19, .35) 0%, rgba(6, 10, 19, .68) 62%, #0a101d 100%),
    url("/assets/images/backpic/back-1.webp") center 20% / cover no-repeat;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(420px 180px at 12% 8%, rgba(47, 123, 255, .25), transparent 70%);
}

.breadcrumb {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  transition: color .25s ease;
}

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

.breadcrumb .sep {
  opacity: .5;
}

.breadcrumb [aria-current="page"] {
  color: var(--primary);
}

.hero-title {
  position: relative;
  z-index: 2;
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.18;
  color: #fff;
}

.hero-title .grad {
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  padding-right: 4px;
}

.hero-sub {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin-top: 16px;
  color: #cbd6e5;
  font-size: 16px;
  line-height: 1.9;
}

.hero-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .3px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease, color .25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 10%, var(--primary-deep) 90%);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  box-shadow: 0 0 30px rgba(47, 123, 255, .6);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 0 14px rgba(47, 123, 255, .35);
}

.btn-line {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .22);
  color: #e8effa;
  backdrop-filter: blur(4px);
}

.btn-line:hover {
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 18px rgba(47, 123, 255, .22);
  transform: translateY(-2px);
}

.btn-green {
  background: linear-gradient(135deg, var(--secondary), #06a87f);
  border-color: rgba(0, 212, 164, .6);
  color: #04120c;
  box-shadow: var(--shadow-green);
}

.btn-green:hover {
  box-shadow: 0 0 32px rgba(0, 212, 164, .55);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, .05);
  border-color: var(--border);
  color: var(--muted);
}

.btn-ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .08);
}

.btn-ghost:disabled,
.btn-ghost.disabled {
  opacity: .55;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.section {
  padding: var(--space-section) 0;
}

.section-compact {
  padding: 48px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(47, 123, 255, .12);
  border: 1px solid rgba(47, 123, 255, .26);
  color: #83b3ff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
}

.section-title {
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  letter-spacing: -0.3px;
}

.section-lead {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.stats-strip {
  margin: -34px 0 0;
  position: relative;
  z-index: 5;
}

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

.stat-card {
  padding: 24px 22px;
  border-radius: var(--radius-m);
  background: linear-gradient(145deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .4px;
}

.stat-value em {
  font-style: normal;
  color: var(--secondary);
}

.stat-label {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.intro-panel {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 30px;
  align-items: center;
  padding: 34px;
  border-radius: var(--radius-l);
  background: linear-gradient(145deg, rgba(47, 123, 255, .1) 0%, rgba(255, 255, 255, .03) 60%);
  border: 1px solid var(--border);
}

.intro-copy p {
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.intro-feature {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--border);
}

.feature-ico {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  background: rgba(47, 123, 255, .16);
  border: 1px solid rgba(47, 123, 255, .24);
  flex: none;
}

.feature-mini b {
  font-weight: 600;
  color: #edf3fb;
  display: block;
  font-size: 14px;
}

.feature-mini span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

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

.event-card {
  overflow: hidden;
  border-radius: var(--radius-m);
  background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .01));
  border: 1px solid var(--border);
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}

.event-card:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 123, 255, .5);
  background: linear-gradient(145deg, rgba(47, 123, 255, .08), rgba(255, 255, 255, .02));
}

.event-media {
  position: relative;
  height: 150px;
  background-size: cover;
  background-position: center;
}

.event-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 8, 16, .2), rgba(4, 8, 16, .55));
}

.event-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(10, 16, 29, .78);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #dff3ff;
  font-size: 12px;
  letter-spacing: .5px;
  backdrop-filter: blur(6px);
}

.event-body {
  padding: 18px 18px 20px;
}

.event-title {
  color: #f2f5fa;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.event-desc {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  min-height: 68px;
}

.event-meta {
  margin: 12px 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.event-date {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--secondary);
}

.event-status {
  font-size: 12px;
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255, 176, 46, .12);
  border: 1px solid rgba(255, 176, 46, .24);
}

.btn-sm {
  min-height: 34px;
  padding: 0 14px;
  font-size: 13px;
}

.pager {
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  transition: border-color .2s, color .2s;
}

.page-btn:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, .2);
}

.page-btn.current {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.page-btn.disabled {
  opacity: .35;
  pointer-events: none;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}

.step-item {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--radius-m);
  background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .015));
  border: 1px solid var(--border);
}

.step-item::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(47, 123, 255, .25), rgba(47, 123, 255, .08));
  border: 1px solid rgba(47, 123, 255, .3);
  color: #8bbcff;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .8px;
}

.step-item h3 {
  font-size: 16px;
  color: #eaf1fb;
  margin-top: 16px;
  font-weight: 600;
}

.step-item p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.progress-box {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 24px;
  align-items: stretch;
}

.progress-card {
  padding: 28px;
  border-radius: var(--radius-l);
  background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  border: 1px solid var(--border);
}

.progress-card h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
}

.progress-demo {
  margin-top: 22px;
}

.progress-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.progress-label {
  font-size: 13px;
  color: var(--muted);
}

.progress-percent {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
}

.progress-track {
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--border);
  overflow: hidden;
}

.progress-fill {
  width: 57%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  box-shadow: 0 0 16px rgba(47, 123, 255, .4);
}

.milestone-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.milestone {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.milestone-badge {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--border);
  color: var(--muted);
}

.milestone.done .milestone-badge {
  background: rgba(0, 212, 164, .18);
  border-color: rgba(0, 212, 164, .5);
  color: var(--secondary);
}

.milestone.current .milestone-badge {
  background: rgba(47, 123, 255, .2);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 12px rgba(47, 123, 255, .4);
}

.milestone b {
  display: block;
  color: #e8eef7;
  font-size: 14px;
  font-weight: 600;
}

.milestone span {
  font-size: 12px;
  color: var(--muted);
}

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

.faq-item {
  border-radius: var(--radius-m);
  background: linear-gradient(145deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .01));
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color .25s ease;
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, .16);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  color: #e8eef7;
  font-size: 15px;
  font-weight: 600;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-q {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(47, 123, 255, .15);
  color: #7cb1ff;
  font-size: 12px;
  font-weight: 800;
}

.faq-item[open] summary .faq-q {
  color: #fff;
  background: var(--primary);
}

.faq-arrow {
  margin-left: auto;
  color: var(--muted);
  transition: transform .25s;
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 22px 20px 66px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  border-top: 1px solid var(--border);
  margin-top: -6px;
}

.faq-answer strong {
  color: var(--secondary);
  font-weight: 600;
}

.cta-panel {
  position: relative;
  padding: 46px 44px;
  border-radius: var(--radius-l);
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(500px 180px at 30% 0%, rgba(47, 123, 255, .18), transparent 60%),
    radial-gradient(400px 160px at 80% 100%, rgba(0, 212, 164, .1), transparent 60%),
    linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .01));
  border: 1px solid var(--border);
}

.cta-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: #fff;
}

.cta-sub {
  margin: 12px auto 0;
  max-width: 600px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.cta-actions {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.seo-note {
  margin: 10px 0 48px;
  max-width: 900px;
  font-size: 13px;
  color: #6f7e97;
  line-height: 2;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 16px 20px;
  background: rgba(255, 255, 255, .02);
}

.footer {
  padding: 64px 0 12px;
  border-top: 1px solid var(--border);
  background: rgba(3, 6, 12, .5);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 360px;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-nav h4 {
  color: #d3e0f0;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-nav a {
  color: var(--muted);
  font-size: 13px;
  transition: color .25s ease;
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: #5d6b84;
  font-size: 12px;
}

@media (max-width: 1200px) {
  .event-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1100px) {
  :root {
    --space-section: 84px;
  }

  .container {
    padding: 0 24px;
  }

  .intro-panel,
  .progress-box {
    grid-template-columns: 1fr;
  }

  .hero-title .grad {
    display: block;
  }
}

@media (max-width: 991px) {
  .side-panel {
    width: 78px;
    padding: 24px 10px;
    align-items: center;
  }

  .brand {
    justify-content: center;
  }

  .brand-mark {
    margin: 0 auto;
  }

  .brand-copy,
  .brand-desc,
  .nav-caption,
  .nav-text,
  .side-safe,
  .side-note {
    display: none;
  }

  .nav-link {
    justify-content: center;
    padding: 0;
    width: 50px;
    height: 46px;
  }

  .nav-link.active::before {
    left: -10px;
  }

  .main-content {
    margin-left: 78px;
  }

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

@media (min-width: 768px) and (max-width: 991px) {
  .main-content {
    margin-left: 78px;
  }

  .side-panel {
    width: 78px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 58px;
  }

  .side-backdrop {
    display: block;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }

  body.menu-open .side-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-top {
    display: flex;
  }

  .mobile-top .brand-copy {
    display: flex;
  }

  .side-panel {
    transform: translateX(-102%);
    transition: transform .3s ease;
    width: 268px;
    align-items: stretch;
    padding: 26px 18px;
  }

  body.menu-open .side-panel {
    transform: translateX(0);
  }

  body:not(.menu-open) .side-panel .brand-copy,
  body:not(.menu-open) .side-panel .nav-caption,
  body:not(.menu-open) .side-panel .nav-text,
  body:not(.menu-open) .side-panel .side-safe,
  body:not(.menu-open) .side-panel .side-note {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .page-hero {
    min-height: auto;
    padding: 110px 0 52px;
  }

  .page-hero::after {
    background: rgba(6, 10, 19, .4);
  }

  .hero-title {
    font-size: clamp(30px, 8vw, 42px);
  }

  .hero-sub {
    font-size: 15px;
  }

  .container {
    padding: 0 18px;
  }

  .event-grid,
  .steps-grid,
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stat-card {
    padding: 16px 18px;
  }

  .event-desc {
    min-height: 0;
  }

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

  .cta-panel {
    padding: 30px 18px;
  }

  .faq-answer {
    padding-left: 42px;
  }

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

/* roulang page: article */
:root{
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bg-deep: #050810;
  --bg-base: #0a101d;
  --bg-side: #0b1422;
  --bg-card: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.015));
  --panel: rgba(14, 22, 37, .82);

  --primary: #2f7bff;
  --primary-soft: rgba(47, 123, 255, .14);
  --primary-border: rgba(47, 123, 255, .25);
  --secondary: #00d4a4;
  --accent: #ffb02e;

  --text-strong: #eef3fb;
  --text: #d6dde8;
  --text-soft: #9fb0c7;
  --text-faint: #5d6b84;
  --border: rgba(255,255,255,.08);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-blue: 0 0 24px rgba(47,123,255,.35);
  --shadow-blue-strong: 0 0 36px rgba(47,123,255,.6);
  --transition: .25s ease;
}

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

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

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.8;
  background:var(--bg-deep);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,p,ul,ol,figure,dl,dd,blockquote{
  margin:0;
}

ul,ol{
  padding:0;
  list-style:none;
}

a{
  color:inherit;
  text-decoration:none;
}

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

button{
  font:inherit;
  border:0;
  background:none;
  cursor:pointer;
}

a:focus-visible,
button:focus-visible{
  outline:2px solid rgba(255,255,255,.6);
  outline-offset:3px;
  border-radius:4px;
}

::-webkit-scrollbar{
  width:10px;
  height:10px;
}

::-webkit-scrollbar-track{
  background:#070c15;
}

::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.12);
  border-radius:8px;
  border:2px solid #070c15;
}

.site-frame{
  display:flex;
  min-height:100vh;
}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  z-index:70;
  width:248px;
  display:flex;
  flex-direction:column;
  background:
    radial-gradient(circle at 20% -10%, rgba(47,123,255,.14), transparent 40%),
    linear-gradient(180deg, #0d1728 0%, #0b101c 60%, #080e18 100%);
  border-right:1px solid var(--border);
  backdrop-filter:blur(18px);
}

.sidebar-head{
  padding:24px 20px 10px;
  display:flex;
  align-items:center;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--text-strong);
}

.brand-mark{
  width:44px;
  height:44px;
  flex:0 0 44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:18px;
  letter-spacing:.5px;
  color:#fff;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(47,123,255,.95), rgba(38,92,210,.9));
  box-shadow:0 0 22px rgba(47,123,255,.35), inset 0 1px 0 rgba(255,255,255,.25);
}

.brand-copy{
  display:flex;
  flex-direction:column;
  gap:2px;
  line-height:1.2;
}

.brand-title{
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
}

.brand-tag{
  display:inline-block;
  margin-left:4px;
  padding:2px 6px;
  font-size:10px;
  font-weight:700;
  vertical-align:2px;
  color:#fff;
  border-radius:5px;
  background:linear-gradient(135deg, rgba(47,123,255,.9), rgba(0,180,150,.75));
}

.sidebar .side-nav{
  flex:1;
  overflow-y:auto;
  padding:18px 0 12px;
  scrollbar-width:thin;
}

.nav-caption{
  padding:6px 22px 10px;
  font-size:11px;
  font-weight:700;
  letter-spacing:1.6px;
  color:#526584;
  text-transform:uppercase;
}

.nav-list li{
  margin:2px 10px;
}

.nav-link{
  display:flex;
  align-items:center;
  gap:13px;
  padding:11px 14px;
  min-height:44px;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  color:var(--text-soft);
  transition:color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.nav-link svg{
  width:21px;
  height:21px;
  flex:0 0 21px;
  stroke-width:1.8;
}

.nav-link:hover{
  color:var(--text-strong);
  background:rgba(47,123,255,.08);
  border-color:rgba(47,123,255,.12);
  transform:translateX(2px);
}

.nav-link.active{
  color:#fff;
  background:rgba(47,123,255,.1);
  border-color:rgba(47,123,255,.22);
  box-shadow:inset 3px 0 0 var(--primary);
}

.nav-link.active svg{
  color:#4f8aff;
  filter:drop-shadow(0 0 8px rgba(47,123,255,.4));
}

.side-foot{
  padding:16px 20px;
  border-top:1px solid rgba(255,255,255,.05);
}

.side-foot-tip{
  font-size:12px;
  line-height:1.7;
  color:var(--text-faint);
}

.side-foot-help{
  display:inline-block;
  margin-top:6px;
  font-size:12px;
  color:var(--text-soft);
  transition:color var(--transition);
}

.side-foot-help:hover{
  color:var(--primary);
}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  margin-left:auto;
  color:var(--text);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
}

.nav-toggle svg{
  width:20px;
  height:20px;
}

/* ============ 右侧内容区 ============ */
.content-side{
  margin-left:248px;
  width:calc(100% - 248px);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:
    radial-gradient(ellipse at 85% -5%, rgba(47,123,255,.1), transparent 36%),
    radial-gradient(ellipse at 10% 20%, rgba(0,212,164,.06), transparent 28%),
    var(--bg-base);
}

.page-main{
  position:relative;
  flex:1;
  padding:36px 30px 76px;
  overflow:hidden;
}

.page-main::before{
  content:"";
  position:absolute;
  top:120px;
  right:-120px;
  width:460px;
  height:460px;
  background:radial-gradient(circle, rgba(47,123,255,.1), transparent 65%);
  pointer-events:none;
}

.container-main{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1120px;
  margin:0 auto;
}

/* 面包屑 */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  max-width:940px;
  margin:0 auto 26px;
  font-size:13px;
  color:var(--text-faint);
}

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

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

.breadcrumb .crumb-sep{
  color:#46556f;
}

.breadcrumb .crumb-current{
  max-width:560px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--text);
}

/* 文章卡片 */
.article-shell{
  position:relative;
  max-width:940px;
  margin:0 auto;
  padding:clamp(22px, 4.4vw, 48px);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(20,29,47,.8), rgba(9,14,24,.95)),
    radial-gradient(circle at 90% 0%, rgba(47,123,255,.1), transparent 40%);
  box-shadow:0 18px 44px rgba(0,0,0,.24);
}

.article-head{
  margin-bottom:22px;
}

.cat-badge{
  display:inline-flex;
  margin-bottom:16px;
  font-family:var(--font-mono);
  letter-spacing:.5px;
}

.article-head h1{
  color:var(--text-strong);
  font-size:clamp(24px, 3.4vw, 36px);
  line-height:1.35;
  font-weight:800;
  margin:0 0 16px;
  overflow-wrap:break-word;
}

.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--text-soft);
}

.article-meta time{
  font-family:var(--font-mono);
  color:var(--text-soft);
}

.article-meta svg{
  width:16px;
  height:16px;
  color:var(--primary);
}

.meta-divider{
  width:1px;
  height:15px;
  background:var(--border);
}

.article-source{
  color:var(--text-faint);
}

.article-hr{
  height:1px;
  margin:0 0 24px;
  border:0;
  background:linear-gradient(90deg, var(--border), rgba(47,123,255,.15), transparent);
}

/* 正文 */
.article-content{
  font-size:16px;
  line-height:2;
  color:var(--text);
}

.article-content p{
  margin-bottom:18px;
}

.article-content a{
  color:#6da2ff;
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color var(--transition);
}

.article-content a:hover{
  color:#9cc0ff;
}

.article-content h2{
  margin:32px 0 14px;
  color:var(--text-strong);
  font-size:22px;
  font-weight:800;
  line-height:1.5;
}

.article-content h3{
  margin:26px 0 10px;
  color:var(--text-strong);
  font-size:18px;
  font-weight:700;
  line-height:1.6;
}

.article-content strong{
  color:#f0f5ff;
  font-weight:700;
}

.article-content ul,
.article-content ol{
  margin:0 0 18px;
  padding-left:24px;
}

.article-content ul{
  list-style:disc;
}

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

.article-content li{
  margin-bottom:6px;
  padding-left:4px;
}

.article-content blockquote{
  position:relative;
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(47,123,255,.06);
  color:var(--text-soft);
}

.article-content img{
  width:100%;
  height:auto;
  object-fit:cover;
  margin:26px 0;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
}

.article-content table{
  width:100%;
  margin:24px 0;
  font-size:14px;
  border-collapse:collapse;
}

.article-content th,
.article-content td{
  padding:10px 12px;
  text-align:left;
  border-bottom:1px solid var(--border);
}

.article-content th{
  color:var(--text-strong);
  background:rgba(47,123,255,.07);
}

.article-content hr{
  height:1px;
  margin:28px 0;
  border:0;
  background:var(--border);
}

/* 空态 */
.article-empty{
  padding:40px 18px;
  text-align:center;
}

.article-empty .empty-icon{
  width:58px;
  height:58px;
  margin:0 auto 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  border-radius:18px;
  background:rgba(255,255,255,.04);
  color:var(--text-faint);
}

.empty-icon svg{
  width:28px;
  height:28px;
}

.article-empty strong{
  display:block;
  margin-bottom:8px;
  color:var(--text-strong);
  font-size:23px;
  font-weight:800;
}

.article-empty p{
  margin-bottom:22px;
  color:var(--text-soft);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:44px;
  padding:0 24px;
  font-size:15px;
  font-weight:700;
  color:#fff;
  border-radius:var(--radius-sm);
  background:linear-gradient(135deg, #2f7bff, #1b5be0);
  box-shadow:var(--shadow-blue);
  transition:transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.btn:hover{
  transform:translateY(-1px);
  box-shadow:var(--shadow-blue-strong);
}

.btn:active{
  transform:translateY(0);
}

.btn-lg{
  min-height:52px;
  padding:0 30px;
  font-size:16px;
  border-radius:12px;
}

.btn-ghost{
  background:rgba(47,123,255,.08);
  border:1px solid var(--primary-border);
  color:#8ebbff;
  box-shadow:none;
}

.btn-ghost:hover{
  color:#fff;
  border-color:rgba(47,123,255,.5);
  background:rgba(47,123,255,.14);
}

/* 文章底栏 */
.article-back{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  margin-top:28px;
  padding-top:20px;
  border-top:1px solid var(--border);
  font-size:14px;
}

.article-back a{
  color:var(--text-soft);
  transition:color var(--transition);
}

.article-back a:hover{
  color:var(--primary);
}

/* 相关推荐 */
.related-wrap{
  max-width:1120px;
  margin:0 auto;
  padding:70px 0 14px;
}

.related-wrap h2,
.article-cta h2{
  position:relative;
  margin-bottom:28px;
  color:var(--text-strong);
  font-size:26px;
  font-weight:800;
  padding-left:16px;
}

.related-wrap h2::before,
.article-cta h2::before{
  content:"";
  position:absolute;
  left:0;
  top:0.12em;
  bottom:0.12em;
  width:4px;
  border-radius:4px;
  background:linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow:0 0 14px rgba(47,123,255,.5);
}

.related-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:22px;
}

.related-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:var(--bg-card);
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.related-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,123,255,.35);
  box-shadow:0 14px 30px rgba(0,0,0,.22), 0 0 18px rgba(47,123,255,.06);
}

.related-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}

.related-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 60%, rgba(5,8,15,.42));
  opacity:.8;
}

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

.related-card:hover .related-media img{
  transform:scale(1.05);
}

.related-body{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:18px;
}

.related-tags{
  display:flex;
  gap:8px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:3px 10px;
  font-size:12px;
  font-weight:600;
  color:#8ebdff;
  border-radius:99px;
  background:var(--primary-soft);
  border:1px solid rgba(47,123,255,.18);
}

.related-body h3{
  color:var(--text-strong);
  font-size:17px;
  line-height:1.6;
  font-weight:700;
}

.related-body p{
  flex:1;
  color:var(--text-soft);
  font-size:13px;
  line-height:1.8;
}

.related-more{
  color:var(--primary);
  font-size:13px;
  font-weight:600;
}

.related-more:hover{
  color:#8cc3ff;
}

/* 文末CTA */
.article-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  max-width:1120px;
  margin:60px auto 0;
  padding:32px 36px;
  border:1px solid rgba(47,123,255,.2);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(circle at 0% 100%, rgba(0,212,164,.1), transparent 50%),
    radial-gradient(circle at 100% 0%, rgba(47,123,255,.16), transparent 45%),
    rgba(11,18,32,.85);
}

.article-cta h2{
  margin-bottom:8px;
}

.article-cta p{
  color:var(--text-soft);
  font-size:14px;
}

.article-cta .btn{
  flex:0 0 auto;
}

/* ============ 页脚 ============ */
.footer{
  border-top:1px solid var(--border);
  background:rgba(5,8,16,.7);
  padding:40px 0 24px;
}

.container{
  width:100%;
  max-width:1120px;
  margin:0 auto;
  padding:0 30px;
}

.footer-main{
  display:flex;
  justify-content:space-between;
  gap:42px;
  padding-bottom:30px;
  border-bottom:1px solid rgba(255,255,255,.05);
}

.footer-brand{
  max-width:420px;
}

.footer-brand .brand{
  margin-bottom:12px;
}

.footer-brand p{
  margin-top:14px;
  color:var(--text-faint);
  font-size:13px;
  line-height:1.8;
}

.footer-nav h4{
  margin-bottom:10px;
  color:var(--text-strong);
  font-size:15px;
  font-weight:700;
}

.footer-nav ul{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.footer-nav li a{
  color:var(--text-soft);
  font-size:14px;
  transition:color var(--transition);
}

.footer-nav li a:hover{
  color:var(--primary);
}

.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding-top:18px;
  font-size:12px;
  color:var(--text-faint);
}

/* ============ 响应式 ============ */
@media (max-width: 1180px){
  .sidebar{
    width:228px;
  }

  .content-side{
    margin-left:228px;
    width:calc(100% - 228px);
  }

  .related-grid{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
}

@media (max-width: 990px){
  .sidebar{
    width:76px;
    align-items:center;
  }

  .sidebar-head{
    padding:18px 0;
  }

  .sidebar .brand-copy,
  .side-foot,
  .nav-caption{
    display:none;
  }

  .sidebar .side-nav{
    width:100%;
    padding:10px 0;
  }

  .nav-list li{
    margin:2px 8px;
  }

  .nav-link{
    justify-content:center;
    padding:12px 0;
  }

  .nav-link span{
    display:none;
  }

  .nav-link:hover{
    transform:none;
  }

  .content-side{
    margin-left:76px;
    width:calc(100% - 76px);
  }
}

@media (max-width: 768px){
  .sidebar{
    top:0;
    left:0;
    right:0;
    bottom:auto;
    width:100%;
    height:64px;
    flex-direction:row;
    align-items:center;
    padding:0 16px;
    border-right:0;
    border-bottom:1px solid var(--border);
    background:rgba(7,11,19,.94);
    box-shadow:0 10px 30px rgba(0,0,0,.32);
  }

  .sidebar-head{
    padding:0;
    flex:0 0 auto;
  }

  .sidebar .brand-copy{
    display:flex;
  }

  .sidebar .side-nav{
    display:none;
    position:absolute;
    top:64px;
    left:0;
    right:0;
    padding:14px;
    background:rgba(8,13,23,.97);
    border-bottom:1px solid var(--border);
    box-shadow:0 24px 34px rgba(0,0,0,.35);
  }

  .sidebar.menu-open .side-nav{
    display:block;
  }

  .nav-caption{
    display:block;
    padding-left:14px;
  }

  .nav-list li{
    margin:2px 0;
  }

  .nav-link{
    justify-content:flex-start;
    padding:13px 16px;
  }

  .nav-link span{
    display:inline-block;
  }

  .nav-link.active{
    transform:none;
  }

  .side-foot{
    display:none;
  }

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

  .content-side{
    margin-left:0;
    width:100%;
    padding-top:64px;
  }

  .page-main{
    padding:26px 16px 60px;
  }

  .container-main{
    width:100%;
  }

  .container{
    padding:0 18px;
  }

  .article-shell{
    padding:24px 18px;
    border-radius:16px;
  }

  .breadcrumb{
    padding:0 4px;
  }

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

  .article-cta{
    flex-direction:column;
    align-items:flex-start;
    padding:24px 20px;
    margin-top:48px;
    gap:20px;
  }

  .footer-main{
    flex-direction:column;
    gap:24px;
  }

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

@media (max-width: 520px){
  .breadcrumb .crumb-current{
    max-width:220px;
  }

  .article-head h1{
    font-size:24px;
  }

  .article-content{
    font-size:15px;
  }

  .article-content h2{
    font-size:20px;
  }

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

  .related-media{
    aspect-ratio:16/8;
  }

  .related-body{
    padding:15px;
  }

  .footer-nav ul{
    flex-direction:row;
    flex-wrap:wrap;
    gap:10px 22px;
  }
}

/* roulang page: category2 */
:root {
    --bg-base: #060a13;
    --bg-panel: #0a101d;
    --bg-soft: #0b1220;
    --bg-card: #0d1524;
    --primary: #2f7bff;
    --primary-soft: rgba(47, 123, 255, .16);
    --primary-glow: rgba(47, 123, 255, .35);
    --secondary: #00d4a4;
    --secondary-soft: rgba(0, 212, 164, .12);
    --accent: #ffb02e;
    --accent-soft: rgba(255, 176, 46, .14);
    --text: #d6dde8;
    --text-strong: #f2f7ff;
    --muted: #9fb0c7;
    --muted-2: #5d6b84;
    --border: rgba(255, 255, 255, .08);
    --nav-width: 240px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    --space-section: 112px;
  }
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    margin: 0;
    background: var(--bg-base);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
  }
  body:before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
      radial-gradient(circle at 18% 12%, rgba(47, 123, 255, .12), transparent 34%),
      radial-gradient(circle at 82% 4%, rgba(0, 212, 164, .07), transparent 24%),
      linear-gradient(180deg, #060a13 0%, #0a101d 55%, #070c17 100%);
    z-index: -1;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: color .24s ease;
  }
  img {
    display: block;
    max-width: 100%;
  }
  button,
  input {
    font: inherit;
  }
  p,
  h1,
  h2,
  h3,
  h4 {
    margin: 0;
  }
  ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  button:focus-visible,
  a:focus-visible {
    outline: 2px solid rgba(255, 255, 255, .6);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }
  .layout {
    display: flex;
    min-height: 100vh;
  }
  .side-nav {
    flex: 0 0 var(--nav-width);
    width: var(--nav-width);
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: 30;
    background: linear-gradient(160deg, rgba(255, 255, 255, .045), transparent 24%), #080e1a;
    border-right: 1px solid var(--border);
    padding: 26px 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
  }
  .side-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    border-radius: var(--radius-md);
    transition: background .24s ease;
  }
  .side-brand:hover {
    background: rgba(47, 123, 255, .08);
  }
  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 900;
    letter-spacing: -0.06em;
    color: #fff;
    background: linear-gradient(135deg, #1d5fd8, #2f7bff 56%, #4d9cff);
    box-shadow: 0 0 20px rgba(47, 123, 255, .3);
  }
  .side-brand-name {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-strong);
    letter-spacing: .02em;
    line-height: 1.25;
    display: flex;
    flex-direction: column;
  }
  .side-brand-name em {
    font-style: normal;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: .14em;
  }
  .nav-caption {
    font-size: 12px;
    color: var(--muted-2);
    letter-spacing: .18em;
    padding: 0 10px;
    text-transform: uppercase;
  }
  .nav-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
  }
  .nav-list li {
    position: relative;
  }
  .nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 12px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--muted);
    transition: all .26s ease;
    border: 1px solid transparent;
    position: relative;
  }
  .nav-link svg {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    opacity: .85;
  }
  .nav-link:hover {
    color: #dbe7ff;
    background: rgba(255, 255, 255, .045);
    transform: translateX(2px);
  }
  .nav-link.active {
    color: #ffffff;
    background: linear-gradient(90deg, rgba(47, 123, 255, .28), rgba(47, 123, 255, .08) 70%, transparent);
    box-shadow: inset 3px 0 0 var(--primary);
    border-color: rgba(47, 123, 255, .12);
  }
  .nav-link.active svg {
    color: var(--primary);
  }
  .main-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
  }
  .page-wrap {
    width: min(1280px, calc(100% - 64px));
    margin: 0 auto;
  }
  main {
    flex: 1;
    display: block;
  }
  .cat-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 92px 0 104px;
    border-bottom: 1px solid var(--border);
    isolation: isolate;
  }
  .cat-hero:before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(5, 9, 16, .97) 0%, rgba(6, 11, 20, .84) 45%, rgba(8, 15, 27, .54) 100%);
  }
  .cat-hero:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 160px;
    background: linear-gradient(180deg, transparent, var(--bg-base));
    z-index: -1;
    pointer-events: none;
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 840px;
    margin-left: 0;
  }
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(47, 123, 255, .12);
    border: 1px solid rgba(47, 123, 255, .22);
    padding: 5px 12px 5px 10px;
    border-radius: 99px;
    color: #cfe1ff;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    letter-spacing: .02em;
  }
  .eyebrow:before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
  }
  .cat-hero h1 {
    font-size: clamp(32px, 4.8vw, 58px);
    line-height: 1.12;
    font-weight: 800;
    color: var(--text-strong);
    letter-spacing: .01em;
    margin: 0 0 18px;
  }
  .cat-hero h1 span {
    color: var(--primary);
  }
  .hero-lead {
    font-size: 16px;
    line-height: 1.9;
    color: #b8c5d9;
    max-width: 660px;
    margin: 0 0 30px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    padding: 13px 26px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .25s ease, color .25s ease, box-shadow .25s ease, transform .16s ease;
  }
  .btn:active {
    transform: translateY(1px);
  }
  .btn-primary {
    background: linear-gradient(135deg, #2f7bff, #1c5fe6);
    color: #fff;
    box-shadow: 0 0 24px rgba(47, 123, 255, .35);
  }
  .btn-primary:hover {
    box-shadow: 0 0 36px rgba(47, 123, 255, .6);
    background: linear-gradient(135deg, #3e89ff, #286cef);
  }
  .btn-ghost {
    border-color: rgba(255, 255, 255, .2);
    background: rgba(255, 255, 255, .04);
    color: #e4eaf3;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04);
  }
  .btn-ghost:hover {
    border-color: var(--primary);
    color: #fff;
    background: rgba(47, 123, 255, .1);
    box-shadow: 0 0 18px rgba(47, 123, 255, .22);
  }
  .section {
    padding: var(--space-section) 0;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    scroll-margin-top: 90px;
  }
  .section:last-of-type {
    border-bottom: none;
  }
  .section-head {
    margin-bottom: 40px;
    max-width: 700px;
  }
  .section-head .kicker {
    display: block;
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .16em;
    margin-bottom: 10px;
    text-transform: uppercase;
  }
  .section-head h2 {
    font-size: clamp(24px, 3.2vw, 34px);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-strong);
    margin: 0 0 12px;
  }
  .section-head p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
  }
  .stats-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    padding: 0;
    margin-top: -46px;
    position: relative;
    z-index: 3;
  }
  .stat-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 20px;
    backdrop-filter: blur(9px);
  }
  .stat-card .stat-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-strong);
    letter-spacing: .01em;
    line-height: 1.2;
  }
  .stat-card .stat-num i {
    font-style: normal;
    color: var(--primary);
    font-size: 19px;
    margin-left: 2px;
  }
  .stat-card .stat-label {
    font-size: 13px;
    color: var(--muted);
  }
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .reward-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(150deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .02));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .3s ease;
  }
  .reward-card:hover {
    transform: translateY(-3px);
    border-color: rgba(47, 123, 255, .42);
    box-shadow: 0 16px 42px rgba(0, 0, 0, .3), 0 0 0 1px rgba(47, 123, 255, .05);
  }
  .reward-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }
  .reward-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .reward-cover:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 46%, rgba(6, 10, 18, .86));
  }
  .reward-cover .tag {
    position: absolute;
    left: 14px;
    top: 14px;
    z-index: 2;
  }
  .tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--primary-soft);
    color: #b8d5ff;
    border: 1px solid rgba(47, 123, 255, .24);
    border-radius: 99px;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
  }
  .tag.green {
    background: var(--secondary-soft);
    color: #86efd5;
    border-color: rgba(0, 212, 164, .25);
  }
  .tag.orange {
    background: var(--accent-soft);
    color: #ffd896;
    border-color: rgba(255, 176, 46, .26);
  }
  .reward-body {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
  }
  .reward-body h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-strong);
  }
  .reward-body p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
    flex: 1;
  }
  .reward-meta {
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding-top: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }
  .reward-meta .meta-item {
    font-size: 12px;
    color: #8ea2bb;
    display: inline-flex;
    align-items: center;
    gap: 5px;
  }
  .reward-meta .meta-item strong {
    color: var(--text);
    font-weight: 700;
  }
  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    border-bottom: 1px solid transparent;
    transition: border-color .25s ease, color .25s ease;
  }
  .text-link:hover {
    color: #9cc2ff;
    border-bottom-color: rgba(47, 123, 255, .4);
  }
  .flow-section {
    background: linear-gradient(180deg, rgba(9, 15, 26, .92), rgba(8, 13, 23, .9));
    border-bottom: 1px solid var(--border);
    padding: var(--space-section) 0;
  }
  .flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 22px;
  }
  .flow-step {
    position: relative;
    background: rgba(255, 255, 255, .035);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 20px;
  }
  .flow-step .step-index {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 12px;
    border: 1px solid rgba(47, 123, 255, .22);
    box-shadow: 0 0 0 4px rgba(47, 123, 255, .05);
  }
  .flow-step h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 6px;
  }
  .flow-step p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.75;
  }
  .split-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 34px;
    align-items: center;
  }
  .rank-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 17px 18px;
    background: linear-gradient(145deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    transition: border-color .25s ease, transform .25s ease;
  }
  .rank-card:hover {
    border-color: rgba(255, 176, 46, .3);
    transform: translateX(4px);
  }
  .rank-num {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255, 255, 255, .05);
    color: #7b8ca6;
    font-weight: 800;
    font-size: 16px;
  }
  .rank-card:nth-child(1) .rank-num {
    color: var(--accent);
    background: rgba(255, 176, 46, .12);
  }
  .rank-card:nth-child(2) .rank-num {
    color: #dce4ef;
    background: rgba(255, 255, 255, .07);
  }
  .rank-card:nth-child(3) .rank-num {
    color: #d68d5a;
    background: rgba(214, 141, 90, .12);
  }
  .rank-body {
    flex: 1;
    min-width: 0;
  }
  .rank-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-strong);
    line-height: 1.3;
  }
  .rank-body p {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .rank-value {
    color: var(--secondary);
    font-weight: 800;
    font-size: 18px;
    white-space: nowrap;
  }
  .note-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .note-item {
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 24px;
  }
  .note-item strong {
    display: block;
    color: var(--text-strong);
    font-size: 15px;
    margin-bottom: 8px;
  }
  .note-item span {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
  }
  .faq-section {
    padding: var(--space-section) 0;
  }
  .faq-layout {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 44px;
    align-items: start;
  }
  .faq-guide {
    background: linear-gradient(145deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
  }
  .faq-guide h3 {
    color: var(--text-strong);
    font-size: 20px;
    margin-bottom: 10px;
  }
  .faq-guide p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.9;
  }
  .faq-list details {
    background: linear-gradient(145deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .015));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2px 20px;
    margin-bottom: 12px;
    transition: border-color .25s ease;
  }
  .faq-list details[open] {
    border-color: rgba(47, 123, 255, .3);
    background: linear-gradient(145deg, rgba(47, 123, 255, .08), rgba(255, 255, 255, .02));
  }
  .faq-list summary {
    cursor: pointer;
    color: var(--text-strong);
    font-size: 15px;
    font-weight: 700;
    padding: 13px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    list-style: none;
    user-select: none;
  }
  .faq-list summary::-webkit-details-marker {
    display: none;
  }
  .faq-list summary:after {
    content: "+";
    font-size: 22px;
    font-weight: 400;
    color: var(--primary);
    flex: 0 0 20px;
    text-align: center;
    transition: transform .24s ease;
  }
  .faq-list details[open] summary:after {
    transform: rotate(45deg);
  }
  .faq-list .faq-a {
    padding: 4px 30px 18px 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
  }
  .cta-zone {
    position: relative;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(47, 123, 255, .14), rgba(0, 212, 164, .05)), rgba(9, 15, 27, .95);
    padding: 56px 42px;
    margin: 12px 0 80px;
    overflow: hidden;
    text-align: center;
  }
  .cta-zone:after {
    content: "";
    position: absolute;
    z-index: 0;
    width: 320px;
    height: 320px;
    right: -90px;
    top: -140px;
    background: radial-gradient(circle, rgba(47, 123, 255, .22), transparent 70%);
    pointer-events: none;
  }
  .cta-zone .cta-inner {
    position: relative;
    z-index: 1;
  }
  .cta-zone h2 {
    color: var(--text-strong);
    font-size: clamp(23px, 3vw, 34px);
    font-weight: 800;
    letter-spacing: .02em;
    margin-bottom: 12px;
  }
  .cta-zone p {
    color: var(--muted);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto 26px;
  }
  .footer {
    background: #05080f;
    border-top: 1px solid var(--border);
    padding: 46px 0 28px;
    margin-top: 20px;
  }
  .footer-main {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    padding-bottom: 24px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, .05);
  }
  .footer-brand {
    max-width: 390px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, #2f7bff, #1c5fe6);
    color: #fff;
    font-weight: 900;
    box-shadow: 0 0 22px rgba(47, 123, 255, .28);
  }
  .brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .brand-title {
    color: var(--text-strong);
    font-size: 17px;
    font-weight: 800;
  }
  .brand-tag {
    display: inline-block;
    margin-left: 4px;
    font-size: 10px;
    color: #9cc5ff;
    background: var(--primary-soft);
    border-radius: 4px;
    padding: 2px 6px;
    vertical-align: 2px;
    letter-spacing: .05em;
  }
  .footer-brand p {
    color: #70809b;
    font-size: 13px;
    line-height: 1.8;
  }
  .footer-nav h4 {
    color: var(--text);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .12em;
    margin-bottom: 14px;
  }
  .footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .footer-nav a {
    color: var(--muted);
    font-size: 14px;
    transition: color .24s ease;
  }
  .footer-nav a:hover {
    color: var(--primary);
  }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--muted-2);
    font-size: 12px;
    line-height: 1.6;
  }
  @media (max-width: 1100px) {
    :root {
      --space-section: 88px;
    }
    .side-nav {
      flex-basis: 76px;
      width: 76px;
      padding: 18px 10px;
      align-items: center;
    }
    .side-brand {
      justify-content: center;
      padding: 6px;
    }
    .side-brand-name,
    .nav-caption,
    .nav-text {
      display: none !important;
    }
    .nav-list {
      width: 100%;
      align-items: center;
    }
    .nav-link {
      justify-content: center;
      padding: 12px;
      width: 50px;
    }
    .nav-link.active {
      box-shadow: inset 0 -3px 0 var(--primary);
      background: rgba(47, 123, 255, .08);
    }
    .grid-3 {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .note-panel {
      grid-template-columns: 1fr;
    }
    .stats-row {
      grid-template-columns: repeat(2, 1fr);
    }
    .flow-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .faq-layout {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 768px) {
    .layout {
      flex-direction: column;
    }
    .side-nav {
      width: 100%;
      flex-basis: auto;
      height: auto;
      position: sticky;
      top: 0;
      flex-direction: row;
      align-items: center;
      padding: 10px 14px;
      gap: 8px;
      overflow-x: auto;
      background: rgba(7, 12, 21, .96);
      backdrop-filter: blur(14px);
      border-right: none;
      border-bottom: 1px solid var(--border);
      z-index: 40;
    }
    .side-brand {
      flex: 0 0 auto;
      padding: 4px;
    }
    .side-brand-name {
      display: none;
    }
    .nav-caption {
      display: none;
    }
    .nav-list {
      flex-direction: row;
      flex: none;
      width: auto;
      gap: 4px;
    }
    .nav-link {
      width: auto;
      padding: 9px 13px;
    }
    .nav-link:hover {
      transform: none;
    }
    .nav-link.active {
      box-shadow: inset 0 -3px 0 var(--primary);
      background: rgba(47, 123, 255, .1);
    }
    .page-wrap {
      width: min(100% - 40px, 680px);
    }
    .cat-hero {
      padding: 58px 0 88px;
    }
    .stats-row {
      grid-template-columns: repeat(2, 1fr);
      margin-top: -28px;
      gap: 10px;
    }
    .split-grid {
      grid-template-columns: 1fr;
    }
    .footer-main {
      flex-direction: column;
    }
    .cta-zone {
      padding: 40px 22px;
      margin: 0 0 50px;
    }
  }
  @media (max-width: 540px) {
    :root {
      --space-section: 64px;
    }
    .page-wrap {
      width: calc(100% - 30px);
    }
    .stats-row {
      grid-template-columns: 1fr 1fr;
    }
    .grid-3 {
      grid-template-columns: 1fr;
    }
    .flow-grid {
      grid-template-columns: 1fr;
    }
    .note-panel {
      grid-template-columns: 1fr;
    }
    .cat-hero h1 {
      font-size: 30px;
    }
    .btn {
      width: 100%;
    }
    .hero-actions {
      flex-direction: column;
    }
  }