/* roulang page: index */
:root{
  --bg:#070B16;
  --surface:#0C1226;
  --surface-3:#121A2E;
  --brand:#2F6BFF;
  --violet:#7A4DFF;
  --cyan:#35E0E0;
  --gold:#FFC24B;
  --text:#EAF0FF;
  --text-2:#A8B4D0;
  --text-3:#6E7A99;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.10);
  --line:rgba(122,150,255,.18);
  --line-2:rgba(122,150,255,.34);
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --shadow-up:0 32px 72px rgba(0,0,0,.58);
  --grad:linear-gradient(135deg,#2F6BFF 0%,#7A4DFF 100%);
  --maxw:1200px;
  --sec:120px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(122,77,255,.20), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(47,107,255,.18), transparent 64%),
    radial-gradient(circle at 18% 42%, rgba(255,255,255,.42) 0 1px, transparent 1.6px),
    radial-gradient(circle at 62% 26%, rgba(255,255,255,.30) 0 1px, transparent 1.6px),
    radial-gradient(circle at 84% 62%, rgba(255,255,255,.26) 0 1px, transparent 1.6px),
    radial-gradient(circle at 34% 78%, rgba(255,255,255,.22) 0 1px, transparent 1.6px),
    radial-gradient(circle at 72% 88%, rgba(255,255,255,.20) 0 1px, transparent 1.6px);
  background-size:auto,auto,520px 520px,640px 640px,760px 760px,580px 580px,700px 700px;
  opacity:.55;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1{font-size:clamp(30px,4vw,48px);line-height:1.25;font-weight:700;letter-spacing:0;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;}
h3{font-size:21px;line-height:1.5;font-weight:600;}
p{color:var(--text-2);}
::selection{background:rgba(47,107,255,.4);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
  position:relative;
  z-index:1;
}
.section{padding:var(--sec) 0;position:relative;z-index:1;}
.section--tight{padding:80px 0;}
.section-alt{background:linear-gradient(180deg,rgba(12,18,38,.0) 0%,rgba(12,18,38,.85) 22%,rgba(12,18,38,.85) 78%,rgba(12,18,38,0) 100%);}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--cyan);
  text-transform:none;
  margin-bottom:14px;
}
.sec-eyebrow::before{
  content:"";
  width:16px;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}
.sec-head--center .sec-eyebrow::before{display:none;}
.sec-title{margin-bottom:14px;}
.sec-desc{font-size:15px;line-height:1.85;color:var(--text-2);max-width:640px;}
.sec-head--center .sec-desc{margin-left:auto;margin-right:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background-color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
  text-align:center;
}
.btn i{font-size:13px;}
.btn-glow{
  background:var(--grad);
  color:#fff;
  box-shadow:0 0 0 1px rgba(47,107,255,.6),0 10px 30px rgba(47,107,255,.35);
}
.btn-glow:hover{
  filter:brightness(1.1);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(122,150,255,.8),0 16px 40px rgba(47,107,255,.5);
  color:#fff;
}
.btn-glow:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(47,107,255,.6),0 6px 18px rgba(47,107,255,.32);}
.btn-glass{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-glass:hover{
  background:var(--glass-2);
  border-color:rgba(53,224,224,.4);
  color:var(--cyan);
  transform:translateY(-2px);
}
.btn-glass:active{transform:translateY(1px);}
.btn-gold{
  background:linear-gradient(135deg,#FFC24B 0%,#FF9A2E 100%);
  color:#1A1206;
  box-shadow:0 0 0 1px rgba(255,194,75,.55),0 10px 28px rgba(255,163,46,.28);
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);color:#1A1206;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-block{display:flex;width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 9px;
  border-radius:6px;
  font-size:12px;
  letter-spacing:.04em;
  background:rgba(47,107,255,.2);
  color:#9CC0FF;
  border:1px solid rgba(47,107,255,.28);
  white-space:nowrap;
}
.badge-gold{
  background:rgba(255,194,75,.14);
  color:var(--gold);
  border-color:rgba(255,194,75,.42);
}
.badge-cyan{
  background:rgba(53,224,224,.14);
  color:var(--cyan);
  border-color:rgba(53,224,224,.34);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--line);
}
.tag-strong{color:var(--gold);border-color:rgba(255,194,75,.5);}
.tag-live{color:var(--cyan);border-color:rgba(53,224,224,.45);}

/* ============ 玻璃卡 ============ */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  width:100%;
  transition:background-color .3s ease,backdrop-filter .3s ease,box-shadow .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 16px 40px rgba(0,0,0,.35);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,rgba(47,107,255,.32),rgba(122,77,255,.32));
  border:1px solid var(--line-2);
  color:var(--gold);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-text em{
  font-style:normal;
  font-size:10px;
  letter-spacing:.22em;
  color:var(--text-3);
  margin-top:3px;
}
.nav-pill{
  display:flex;
  align-items:center;
  gap:4px;
  padding:5px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-link{
  position:relative;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:#fff;
  background:linear-gradient(135deg,rgba(47,107,255,.42),rgba(122,77,255,.42));
  box-shadow:inset 0 0 0 1px rgba(122,150,255,.35);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.hamburger{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.hamburger i{font-size:17px;}
.drawer{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(7,11,22,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  padding:84px 20px 24px;
  transform:translateY(-100%);
  transition:transform .24s ease;
  max-height:100vh;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer-close{
  position:absolute;
  top:18px;right:20px;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 4px;
  border-bottom:1px solid rgba(255,255,255,.06);
  font-size:16px;
  color:var(--text-2);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--cyan);}
.drawer-cta{margin-top:24px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 96px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(700px 420px at 78% 34%,rgba(122,77,255,.16),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:48px;position:relative;z-index:2;}
.hero-copy{flex:1 1 520px;max-width:640px;}
.hero-visual{flex:1 1 380px;min-width:320px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--cyan);
  margin-bottom:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,224,.9);
}
.hero h1{
  margin-bottom:22px;
  background:linear-gradient(120deg,#FFFFFF 8%,#C9D8FF 52%,#FFD9A0 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;}
.trust-item{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px 18px;
  border-radius:14px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  min-width:118px;
}
.trust-item b{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
.trust-item span{font-size:12px;color:var(--text-3);letter-spacing:.04em;}

.hero-visual{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow);
  min-height:440px;
  display:flex;
  align-items:flex-end;
}
.hero-visual img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 20% 100%,rgba(7,11,22,.92) 0%,rgba(7,11,22,.55) 45%,rgba(7,11,22,.18) 100%),
    linear-gradient(180deg,rgba(7,11,22,.35) 0%,rgba(7,11,22,.78) 100%);
}
.hero-glass{
  position:relative;
  z-index:2;
  margin:22px;
  width:calc(100% - 44px);
  padding:22px 24px;
  border-radius:16px;
  background:rgba(12,18,38,.62);
  border:1px solid var(--line-2);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.hero-glass h3{font-size:17px;margin-bottom:14px;}
.data-row{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:14px;
  color:var(--text-2);
}
.data-row:last-child{border-bottom:0;padding-bottom:0;}
.data-row i{color:var(--cyan);font-size:13px;width:16px;}
.data-row b{margin-left:auto;color:var(--text);font-variant-numeric:tabular-nums;font-weight:600;}

/* ============ 权益对比 ============ */
.plan-grid{display:flex;flex-wrap:wrap;gap:20px;align-items:stretch;}
.plan-col{
  flex:1 1 240px;
  display:flex;
  flex-direction:column;
  padding:28px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  position:relative;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.plan-col:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-up);}
.plan-col.is-featured{
  border-color:rgba(255,194,75,.55);
  background:linear-gradient(180deg,rgba(255,194,75,.09) 0%,rgba(255,255,255,.05) 42%);
  transform:translateY(-10px);
  box-shadow:0 32px 72px rgba(0,0,0,.6),0 0 0 1px rgba(255,194,75,.28);
}
.plan-col.is-featured:hover{transform:translateY(-14px);}
.plan-badge{
  position:absolute;
  top:-13px;left:50%;
  transform:translateX(-50%);
  padding:4px 16px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#FFC24B,#FF9A2E);
  color:#1A1206;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  white-space:nowrap;
  box-shadow:0 8px 22px rgba(255,163,46,.32);
}
.plan-head{padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.07);margin-bottom:18px;}
.plan-head h3{font-size:18px;display:flex;align-items:center;gap:10px;}
.plan-head h3 .plan-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;}
.plan-price{
  margin-top:10px;
  font-size:30px;
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
  line-height:1.2;
}
.plan-price span{font-size:13px;font-weight:400;color:var(--text-3);margin-left:6px;}
.plan-list{display:flex;flex-direction:column;gap:16px;flex:1;margin-bottom:24px;}
.plan-item{display:flex;gap:11px;align-items:flex-start;}
.plan-item i{
  width:22px;height:22px;
  flex-shrink:0;
  display:grid;
  place-items:center;
  border-radius:7px;
  font-size:11px;
  background:rgba(47,107,255,.18);
  color:#9CC0FF;
  margin-top:5px;
}
.plan-item.is-off i{background:rgba(110,122,153,.16);color:var(--text-3);}
.plan-item .pi-txt{display:flex;flex-direction:column;gap:2px;}
.plan-item .pi-txt strong{font-size:14px;font-weight:600;color:var(--text);line-height:1.6;}
.plan-item.is-off .pi-txt strong{color:var(--text-3);font-weight:400;}
.plan-item .pi-txt em{font-style:normal;font-size:12.5px;color:var(--text-3);line-height:1.6;}
.plan-foot{display:flex;flex-direction:column;gap:10px;}

/* ============ 等级亮点 ============ */
.level-grid{display:flex;flex-wrap:wrap;gap:22px;align-items:stretch;}
.level-card{
  flex:1 1 260px;
  display:flex;
  flex-direction:column;
  padding:30px 26px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  overflow:hidden;
  position:relative;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.level-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--level-color,#2F6BFF);
}
.level-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-up);}
.level-card.is-wide{flex-grow:1.3;flex-basis:340px;border-color:var(--line-2);}
.level-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.level-top h3{font-size:19px;}
.level-mark{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:15px;
  color:#fff;
  background:var(--level-color,#2F6BFF);
  box-shadow:0 10px 26px rgba(0,0,0,.4);
}
.level-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:20px;}
.level-list{display:flex;flex-direction:column;gap:12px;margin-top:auto;}
.level-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.level-list li i{color:var(--cyan);font-size:12px;margin-top:7px;}
.level-bar{
  margin-top:22px;
  height:4px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--level-color,#2F6BFF),transparent);
  opacity:.85;
}

/* ============ 专属内容预览 ============ */
.content-grid{display:flex;flex-wrap:wrap;gap:22px;}
.content-card{
  flex:1 1 320px;
  max-width:calc(33.333% - 15px);
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.content-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-up);}
.content-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#0C1226,#121A2E);
}
.content-cover img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s ease,filter .35s ease;
}
.content-card:hover .content-cover img{transform:scale(1.03);filter:brightness(1.06);}
.content-cover .badge{position:absolute;top:14px;left:14px;background:rgba(7,11,22,.72);backdrop-filter:blur(8px);}
.lock{
  position:absolute;
  top:14px;right:14px;
  width:30px;height:30px;
  border-radius:9px;
  display:grid;place-items:center;
  background:rgba(7,11,22,.72);
  border:1px solid rgba(255,194,75,.42);
  color:var(--gold);
  font-size:12px;
  backdrop-filter:blur(8px);
}
.content-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.content-body h3{font-size:17px;line-height:1.55;}
.content-body p{
  font-size:13.5px;
  line-height:1.75;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.content-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--text-3);
}
.content-card:hover .content-foot span:last-child{color:var(--cyan);}

/* ============ 最新信息 ============ */
.news-grid{display:flex;flex-wrap:wrap;gap:22px;}
.news-lead{
  flex:1 1 560px;
  display:flex;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-lead:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-up);}
.news-lead-media{
  flex:0 0 42%;
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#0C1226,#121A2E);
}
.news-lead-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-lead-body{padding:28px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-lead-body h3{font-size:20px;line-height:1.5;}
.news-lead-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12.5px;
  color:var(--text-3);
}
.news-meta .sep{width:1px;height:12px;background:rgba(255,255,255,.14);}
.news-side{flex:1 1 320px;display:flex;flex-direction:column;gap:14px;}
.news-item{
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  padding:18px 20px;
  transition:transform .25s ease,border-color .25s ease,background-color .25s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(53,224,224,.4);background:rgba(255,255,255,.075);}
.news-item h3{
  font-size:15.5px;
  line-height:1.6;
  margin:10px 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item p{
  font-size:13px;
  line-height:1.7;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item .news-meta{padding-top:10px;margin-top:0;border-top:1px solid rgba(255,255,255,.06);}
.news-item:hover h3{color:var(--cyan);}
.empty-state{
  min-height:200px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px dashed var(--line-2);
  color:var(--text-3);
  font-size:14px;
}
.empty-state .star-dots{display:flex;gap:8px;}
.empty-state .star-dots i{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--cyan);
  opacity:.7;
  animation:twinkle 2.4s ease-in-out infinite;
}
.empty-state .star-dots i:nth-child(2){animation-delay:.4s;opacity:.5;}
.empty-state .star-dots i:nth-child(3){animation-delay:.8s;opacity:.3;}
@keyframes twinkle{0%,100%{transform:scale(1);opacity:.75;}50%{transform:scale(1.5);opacity:.25;}}

/* ============ 数据带 ============ */
.data-band{
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(47,107,255,.10) 0%,rgba(122,77,255,.10) 52%,rgba(255,194,75,.07) 100%);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:44px 40px;
  box-shadow:var(--shadow);
}
.data-band-grid{display:flex;flex-wrap:wrap;gap:32px;}
.data-cell{flex:1 1 180px;display:flex;flex-direction:column;gap:8px;}
.data-cell b{
  font-size:clamp(28px,3vw,40px);
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:0;
}
.data-cell b em{font-style:normal;font-size:16px;color:var(--gold);margin-left:4px;}
.data-cell span{font-size:14px;color:var(--text-2);line-height:1.7;}
.data-cell small{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}

/* ============ FAQ ============ */
.faq-wrap{display:flex;flex-wrap:wrap;gap:16px;}
.faq-item{
  flex:1 1 calc(50% - 8px);
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .25s ease,background-color .25s ease;
}
.faq-item[open]{border-color:var(--line-2);background:rgba(255,255,255,.075);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:20px;
  font-weight:400;
  color:var(--cyan);
  line-height:1;
  transition:transform .18s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);content:"−";}
.faq-item summary:hover{color:var(--cyan);}
.faq-body{
  padding:0 22px 22px 25px;
  border-left:3px solid transparent;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-item[open] .faq-body{border-left-color:var(--brand);}

/* ============ 开通会员 ============ */
.join-card{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line-2);
  background:linear-gradient(135deg,rgba(12,18,38,.92) 0%,rgba(18,26,46,.92) 100%);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-up);
}
.join-left{
  flex:1 1 400px;
  padding:44px 40px;
  border-right:1px solid rgba(255,255,255,.07);
  display:flex;
  flex-direction:column;
  gap:22px;
}
.join-left h2{font-size:clamp(22px,2.3vw,30px);}
.join-left p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:460px;}
.level-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:10px 20px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  cursor:pointer;
  transition:all .2s ease;
}
.chip:hover{border-color:rgba(53,224,224,.45);color:var(--cyan);}
.chip.is-active{
  color:#1A1206;
  background:linear-gradient(135deg,#FFC24B,#FF9A2E);
  border-color:transparent;
  box-shadow:0 8px 22px rgba(255,163,46,.28);
}
.join-right{flex:1 1 380px;padding:44px 40px;display:flex;flex-direction:column;gap:18px;}
.form-row{display:flex;flex-direction:column;gap:8px;}
.form-row label{font-size:14px;color:var(--text-2);letter-spacing:.02em;}
.form-row input,.form-row textarea{
  width:100%;
  padding:13px 16px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#5A6484;}
.form-row input:focus,.form-row textarea:focus{
  outline:none;
  border-color:rgba(53,224,224,.7);
  background:rgba(255,255,255,.075);
  box-shadow:0 0 0 3px rgba(53,224,224,.14);
}
.form-row textarea{resize:vertical;min-height:88px;line-height:1.7;}
.privacy-note{font-size:12.5px;color:var(--text-3);line-height:1.7;}
.privacy-note i{color:var(--cyan);margin-right:6px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,18,38,.5) 0%,rgba(7,11,22,.95) 100%);
  position:relative;
  z-index:1;
}
.footer-main{padding:72px 0 48px;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;}
.footer-col{flex:1 1 200px;display:flex;flex-direction:column;gap:14px;}
.footer-col.brand-col{flex:1.5 1 260px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--text);
  margin-bottom:4px;
}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand .brand-mark{width:36px;height:36px;}
.footer-brand strong{font-size:15px;letter-spacing:.01em;color:var(--text);}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:320px;}
.socials{display:flex;gap:10px;margin-top:4px;}
.socials a{
  width:36px;height:36px;
  border-radius:11px;
  display:grid;
  place-items:center;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:14px;
  transition:all .22s ease;
}
.socials a:hover{color:var(--cyan);border-color:rgba(53,224,224,.5);transform:translateY(-2px);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  font-size:14px;
  color:var(--text-2);
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-2);}
.footer-contact span i{color:var(--cyan);width:16px;margin-right:8px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);
  background:rgba(4,7,14,.75);
  padding:22px 0;
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom-inner a{color:var(--text-3);}
.footer-bottom-inner a:hover{color:var(--cyan);}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px;}

/* ============ 移动端悬浮 CTA ============ */
.mobile-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  padding:12px 20px 16px;
  background:linear-gradient(180deg,rgba(7,11,22,0) 0%,rgba(7,11,22,.95) 42%);
}
.mobile-cta .btn{width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1100px;}
  .section{padding:96px 0;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .container{padding-left:24px;padding-right:24px;}
  .nav-pill{display:none;}
  .hamburger{display:flex;}
  .header-actions .btn{display:none;}
  .hero{padding:48px 0 72px;}
  .hero-grid{gap:36px;}
  .hero-visual{min-height:380px;flex-basis:100%;}
  .hero-copy{flex-basis:100%;max-width:100%;}
  .plan-col{flex:1 1 calc(50% - 10px);}
  .plan-col.is-featured{transform:none;}
  .plan-col.is-featured:hover{transform:translateY(-4px);}
  .content-card{max-width:calc(50% - 11px);}
  .join-left{border-right:0;border-bottom:1px solid rgba(255,255,255,.07);}
  .data-band{padding:36px 28px;}
  .footer-main{padding:56px 0 36px;}
}
@media (max-width:639px){
  :root{--sec:64px;}
  .container{padding-left:20px;padding-right:20px;}
  body{font-size:15.5px;}
  .brand-text strong{font-size:14px;white-space:normal;line-height:1.3;}
  .brand-text em{letter-spacing:.14em;}
  .section{padding:64px 0;}
  .sec-head{margin-bottom:32px;}
  .hero{padding:36px 0 56px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-visual{min-height:340px;border-radius:18px;}
  .hero-glass{margin:16px;width:calc(100% - 32px);padding:18px 18px;}
  .trust-item{flex:1 1 44%;min-width:0;}
  .plan-col{flex:1 1 100%;padding:24px 20px;}
  .level-card{padding:24px 20px;flex-basis:100%;}
  .level-card.is-wide{flex-basis:100%;}
  .content-card{max-width:100%;flex-basis:100%;}
  .news-lead{flex-direction:column;}
  .news-lead-media{flex:0 0 auto;aspect-ratio:16/9;}
  .news-lead-body{padding:22px 20px;}
  .news-side{flex-basis:100%;}
  .faq-item{flex-basis:100%;}
  .faq-item summary{padding:18px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px 21px;}
  .join-left,.join-right{padding:30px 22px;}
  .data-band{padding:28px 22px;border-radius:16px;}
  .data-band-grid{gap:24px;}
  .data-cell{flex:1 1 100%;}
  .footer-col{flex:1 1 100%;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:12px;}
  .mobile-cta{display:block;}
  .site-footer{padding-bottom:78px;}
}
@media (max-width:479px){
  .hero-visual{min-height:300px;}
  .plan-price{font-size:26px;}
  .data-cell b{font-size:28px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .btn-lg{padding:14px 24px;font-size:15px;}
}

/* roulang page: article */
:root{
  --bg:#070B16; --bg2:#0C1226; --bg3:#121A2E;
  --brand:#2F6BFF; --purple:#7A4DFF; --cyan:#35E0E0; --gold:#FFC24B;
  --text:#EAF0FF; --text2:#A8B4D0; --text3:#6E7A99;
  --glass:rgba(255,255,255,.06); --glass2:rgba(255,255,255,.10);
  --line:rgba(122,150,255,.18); --line2:rgba(122,150,255,.34);
  --r:18px; --r-sm:14px; --r-pill:999px;
  --sh:0 24px 60px rgba(0,0,0,.45);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    radial-gradient(900px 620px at 80% -12%,rgba(122,77,255,.18),transparent 62%),
    radial-gradient(760px 520px at 8% -4%,rgba(47,107,255,.16),transparent 64%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;background-color:transparent}
a:hover{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-family:var(--font);color:var(--text);margin:0;letter-spacing:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
figure{margin:0}
::selection{background:rgba(47,107,255,.4);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--cyan);text-transform:none;margin-bottom:14px}
.section-title{display:block}
.section-title h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35}
.section-title p{color:var(--text2);font-size:15px;margin-top:12px;max-width:640px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  padding:12px 26px;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;
  white-space:nowrap;line-height:1.4}
.btn-glow{color:#fff;background:linear-gradient(135deg,var(--brand),var(--purple));
  box-shadow:0 0 0 1px rgba(47,107,255,.6),0 10px 30px rgba(47,107,255,.35)}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(47,107,255,.85),0 18px 42px rgba(47,107,255,.48);color:#fff}
.btn-glow:active{transform:translateY(1px)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:rgba(53,224,224,.4);transform:translateY(-2px);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease}
.site-header::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 30%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 48% 22%,rgba(53,224,224,.5),transparent 60%),
    radial-gradient(1.6px 1.6px at 76% 46%,rgba(255,194,75,.45),transparent 60%),
    radial-gradient(1.2px 1.2px at 92% 26%,rgba(255,255,255,.4),transparent 60%)}
.site-header.is-scrolled{background:rgba(7,11,22,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,rgba(47,107,255,.9),rgba(122,77,255,.85));color:#fff;flex:0 0 auto;
  box-shadow:0 8px 22px rgba(47,107,255,.35),inset 0 1px 0 rgba(255,255,255,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.1em;color:var(--text3)}
.nav-pill{display:flex;align-items:center;gap:4px;padding:6px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);backdrop-filter:blur(14px)}
.nav-link{padding:9px 17px;border-radius:var(--r-pill);font-size:14px;color:var(--text2);transition:all .25s ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.nav-link.is-active{color:#fff;background:linear-gradient(135deg,rgba(47,107,255,.95),rgba(122,77,255,.9));
  box-shadow:0 8px 20px rgba(47,107,255,.32)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);cursor:pointer;font-size:17px;
  transition:all .25s ease}
.nav-toggle:hover{background:rgba(255,255,255,.12);border-color:var(--line2)}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.drawer{position:fixed;inset:0;z-index:120;display:flex;flex-direction:column;
  background:rgba(7,11,22,.94);backdrop-filter:blur(18px);
  transform:translateY(-100%);opacity:0;visibility:hidden;transition:transform .24s ease,opacity .24s ease,visibility .24s}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text);font-size:17px;cursor:pointer}
.drawer-nav{flex:1;display:flex;flex-direction:column;padding:10px 20px;overflow-y:auto}
.drawer-link{display:flex;align-items:center;height:56px;font-size:16px;color:var(--text2);border-bottom:1px solid rgba(255,255,255,.05)}
.drawer-link:active,.drawer-link:hover{color:var(--cyan)}
.drawer-link.is-active{color:#fff}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;padding:48px 0 40px;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.05)}
.article-hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.34}
.article-hero-bg::after{content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 420px at 20% 0%,rgba(7,11,22,.62),rgba(7,11,22,.94) 72%)}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--text3);margin-bottom:20px}
.breadcrumb a{color:var(--text2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.28;font-weight:700;color:#fff;max-width:900px;
  letter-spacing:.01em}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13.5px;color:var(--text2)}
.meta-bar i{color:var(--cyan);margin-right:6px;font-size:12px}
.meta-bar .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.chip-cat{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;font-size:12.5px;
  background:rgba(47,107,255,.2);color:#9FB9FF;border:1px solid rgba(47,107,255,.35)}

/* ---------- 正文布局 ---------- */
.article-section{padding:64px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:52px;justify-content:center}
.article-main{min-width:0}
.toc-mobile{display:none}
.article-body{font-size:16px;line-height:1.9;color:#D7E0F5;word-wrap:break-word}
.article-body>p:first-child{font-size:17px;color:#E9EFFF}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:clamp(21px,2.1vw,27px);line-height:1.42;font-weight:700;color:#fff;
  margin:2.4em 0 .9em;position:relative;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.44em;width:4px;height:.8em;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--purple))}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:#F2F6FF;margin:1.8em 0 .7em}
.article-body strong{color:#fff}
.article-body a{color:var(--cyan);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
  transition:color .2s ease}
.article-body a:hover{color:#8BF5F5}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:1.6em 0;
  border:1px solid rgba(255,255,255,.08)}
.article-body figcaption{font-size:13px;color:var(--text3);text-align:center;margin:.4em 0 1.8em}
.article-body blockquote{margin:1.8em 0;padding:18px 22px;border-left:3px solid var(--brand);color:var(--text2);
  background:rgba(255,255,255,.05);border-radius:0 12px 12px 0;backdrop-filter:blur(8px)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{list-style:none;margin:1.1em 0}
.article-body ul>li{position:relative;padding-left:24px;margin-bottom:.62em}
.article-body ul>li::before{content:"";position:absolute;left:2px;top:.74em;width:9px;height:9px;
  background:var(--cyan);opacity:.85;
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%)}
.article-body ol{margin:1.1em 0 1.1em 1.3em;padding-left:0}
.article-body ol>li{margin-bottom:.6em;padding-left:6px}
.article-body ol>li::marker{color:var(--cyan);font-weight:700}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;
  margin:1.8em 0;font-size:15px;border-radius:12px}
.article-body th,.article-body td{border:1px solid rgba(255,255,255,.08);padding:11px 15px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(255,255,255,.06);color:#fff;font-weight:600}
.article-body pre{background:#0A1020;border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.94em;color:#9FE8FF}
.article-body hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:2.4em 0}
.article-empty{text-align:center;padding:72px 24px;border:1px dashed var(--line2);border-radius:var(--r);
  background:rgba(255,255,255,.03)}
.article-empty h3{font-size:20px;margin-bottom:10px;color:#fff}
.article-empty p{color:var(--text2);font-size:15px;margin-bottom:22px}

/* 目录折叠（移动端） */
.toc-mobile{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:28px;overflow:hidden}
.toc-mobile summary{list-style:none;cursor:pointer;padding:14px 18px;font-size:15px;color:#fff;font-weight:600;
  display:flex;align-items:center;justify-content:space-between}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";color:var(--cyan);font-size:14px;transition:transform .18s ease}
.toc-mobile[open] summary::after{transform:rotate(45deg)}
.toc-mobile .toc-list{padding:4px 18px 16px}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--sh);backdrop-filter:blur(14px)}
.side-card h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--cyan);font-size:12px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto}
.toc-list a{display:block;font-size:13.5px;line-height:1.6;color:var(--text2);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:all .2s ease}
.toc-list a:hover{color:#fff;background:rgba(255,255,255,.06)}
.toc-list a.is-active{color:var(--cyan);border-left-color:var(--brand);background:rgba(47,107,255,.12)}
.toc-list a.toc-l3{padding-left:20px;font-size:13px;color:var(--text3)}
.toc-list a.toc-l3:hover{color:var(--text2)}
.level-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;
  border-bottom:1px solid rgba(255,255,255,.06);font-size:14px}
.level-row:last-of-type{border-bottom:none}
.level-row .name{color:var(--text2)}
.level-row .val{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600;
  font-variant-numeric:tabular-nums}
.level-dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.dot-blue{background:var(--brand);box-shadow:0 0 10px rgba(47,107,255,.8)}
.dot-purple{background:var(--purple);box-shadow:0 0 10px rgba(122,77,255,.8)}
.dot-gold{background:var(--gold);box-shadow:0 0 10px rgba(255,194,75,.8)}
.side-cta{background:linear-gradient(150deg,rgba(47,107,255,.18),rgba(122,77,255,.14));border-color:var(--line2)}
.side-cta p{font-size:13.5px;color:var(--text2);line-height:1.7;margin-bottom:16px}
.gold-text{color:var(--gold)}

/* 标签与返回 */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.07)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;
  color:var(--cyan);background:rgba(53,224,224,.08);border:1px solid rgba(53,224,224,.3);transition:all .2s ease}
.tag:hover{background:rgba(53,224,224,.16);transform:translateY(-1px)}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}

/* ---------- 栏目入口 ---------- */
.entry-section{padding:0 0 88px}
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:36px}
.entry-card{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);backdrop-filter:blur(14px);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.entry-card:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:0 30px 70px rgba(0,0,0,.55)}
.entry-card:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#101A33,#0A1020)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03);filter:brightness(1.06)}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;border-radius:6px;
  font-size:12.5px;background:rgba(47,107,255,.2);color:#9FB9FF;border:1px solid rgba(47,107,255,.32)}
.badge-gold{background:rgba(255,194,75,.14);color:var(--gold);border-color:rgba(255,194,75,.4)}
.entry-body h3{font-size:18px;line-height:1.5;font-weight:600;color:#fff}
.entry-body p{font-size:14px;line-height:1.75;color:var(--text2)}
.entry-more{margin-top:auto;font-size:13.5px;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.entry-card:hover .entry-more i{transform:translateX(4px)}
.entry-more i{transition:transform .25s ease}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:38px 40px;border-radius:var(--r);border:1px solid var(--line2);
  background:linear-gradient(135deg,rgba(47,107,255,.16),rgba(122,77,255,.12) 60%,rgba(255,194,75,.08));
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.12);backdrop-filter:blur(14px)}
.cta-inner h2{font-size:clamp(22px,2.3vw,30px);line-height:1.4;color:#fff;margin-bottom:10px}
.cta-inner p{font-size:14.5px;color:var(--text2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:#050810;border-top:1px solid var(--line);z-index:1}
.footer-main{padding:72px 0 56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--text3);font-weight:600;margin-bottom:20px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{font-size:16px;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text2);max-width:340px;margin-bottom:20px}
.socials{display:flex;gap:12px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text2);font-size:14px;
  transition:all .25s ease}
.socials a:hover{color:var(--cyan);border-color:rgba(53,224,224,.42);background:rgba(53,224,224,.1);transform:translateY(-2px)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text2);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text2)}
.footer-contact i{color:var(--cyan);width:16px;margin-right:8px;font-size:12px}
.footer-bottom{background:#03050C;border-top:1px solid rgba(255,255,255,.06);padding:20px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text3)}
.footer-bottom-inner a{color:var(--text3)}
.footer-bottom-inner a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1280px}
  .article-layout{grid-template-columns:minmax(0,800px) 320px;gap:60px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-anchor{display:none}
  .nav-link{padding:8px 12px;font-size:13.5px}
  .header-cta{padding:8px 16px;font-size:13.5px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside .side-card{flex:1 1 260px}
  .toc-block{display:none}
  .toc-mobile{display:block}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .article-section{padding:52px 0 72px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .nav-pill{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:66px}
  .brand-text strong{font-size:15.5px}
  .article-hero{padding:32px 0 28px}
  .article-hero h1{font-size:clamp(24px,7vw,32px)}
  .breadcrumb .current{max-width:200px}
  .article-section{padding:40px 0 60px}
  .article-body{font-size:15.5px}
  .article-body h2{margin-top:2em}
  .article-aside{flex-direction:column}
  .entry-grid{grid-template-columns:minmax(0,1fr)}
  .entry-section{padding:0 0 64px}
  .cta-band{padding:0 0 64px}
  .cta-inner{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-main{padding:56px 0 40px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .article-hero h1{font-size:23px}
  .meta-bar{font-size:12.5px;gap:10px}
  .tag-row{gap:8px}
  .tag{font-size:12px;padding:0 11px}
}

/* roulang page: category1 */
:root{
  --bg:#070B16;
  --bg-2:#0C1226;
  --bg-3:#121A2E;
  --blue:#2F6BFF;
  --purple:#7A4DFF;
  --cyan:#35E0E0;
  --gold:#FFC24B;
  --text:#EAF0FF;
  --text-2:#A8B4D0;
  --text-3:#6E7A99;
  --line:rgba(122,150,255,.18);
  --line-strong:rgba(122,150,255,.34);
  --glass:rgba(255,255,255,.06);
  --glass-hi:rgba(255,255,255,.1);
  --r-lg:20px;
  --r:18px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --shadow-lg:0 32px 80px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(47,107,255,.6),0 10px 30px rgba(47,107,255,.35);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

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

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

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.45;
  background-image:
    radial-gradient(circle at 8% 12%, rgba(234,240,255,.50) 0 1.2px, transparent 1.6px),
    radial-gradient(circle at 22% 34%, rgba(53,224,224,.40) 0 1px, transparent 1.4px),
    radial-gradient(circle at 41% 8%, rgba(234,240,255,.36) 0 1.1px, transparent 1.5px),
    radial-gradient(circle at 63% 26%, rgba(255,194,75,.32) 0 1px, transparent 1.4px),
    radial-gradient(circle at 78% 14%, rgba(234,240,255,.42) 0 1.3px, transparent 1.7px),
    radial-gradient(circle at 90% 42%, rgba(122,77,255,.40) 0 1px, transparent 1.4px),
    radial-gradient(circle at 15% 62%, rgba(234,240,255,.30) 0 1px, transparent 1.4px),
    radial-gradient(circle at 35% 78%, rgba(53,224,224,.26) 0 1.1px, transparent 1.5px),
    radial-gradient(circle at 57% 88%, rgba(234,240,255,.32) 0 1px, transparent 1.4px),
    radial-gradient(circle at 82% 72%, rgba(255,194,75,.24) 0 1px, transparent 1.4px),
    radial-gradient(circle at 95% 90%, rgba(234,240,255,.30) 0 1.2px, transparent 1.6px);
}

header,main,footer{position:relative;z-index:1;}

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

a{color:inherit;text-decoration:none;}
a:hover{color:var(--cyan);}

h1,h2,h3,h4,h5,h6{
  margin:0 0 16px;
  font-family:var(--font);
  font-weight:700;
  color:var(--text);
  line-height:1.35;
  letter-spacing:0;
}

p{margin:0 0 16px;line-height:1.85;color:var(--text-2);}
ul,ol{margin:0;padding:0;list-style:none;}

button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  border-bottom:1px solid transparent;
  background:linear-gradient(180deg,rgba(7,11,22,.62),rgba(7,11,22,0));
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,22,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  color:var(--gold);
  background:linear-gradient(135deg,rgba(47,107,255,.3),rgba(122,77,255,.3));
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:10px;letter-spacing:.16em;color:var(--cyan);}

.nav-pill{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
  padding:6px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-link{
  display:inline-block;
  padding:8px 15px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:var(--text);
  background:rgba(47,107,255,.2);
  box-shadow:inset 0 0 0 1px var(--line-strong);
}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-glow{
  color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--purple));
  box-shadow:var(--glow);
}
.btn-glow:hover{
  color:#fff;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(47,107,255,.72),0 16px 42px rgba(47,107,255,.5);
}
.btn-glow:active{transform:translateY(1px);}
.btn-glass{
  color:var(--text);
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn-glass:hover{
  color:#fff;
  background:rgba(255,255,255,.1);
  border-color:rgba(53,224,224,.42);
  transform:translateY(-2px);
}
.btn-glass:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  place-items:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.24s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;
  top:0;left:0;right:0;
  z-index:70;
  padding:88px 20px 26px;
  background:rgba(7,11,22,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transform:translateY(-104%);
  visibility:hidden;
  transition:transform .24s ease,visibility .24s ease;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.mobile-drawer a.drawer-link{
  display:block;
  line-height:56px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-drawer a.drawer-link.is-active{color:var(--cyan);}
.mobile-drawer .drawer-cta{margin-top:22px;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:22px;
}
.crumbs a{color:var(--text-2);transition:color .2s ease;}
.crumbs a:hover{color:var(--cyan);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--text-3);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;
  inset:0;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(115% 92% at 16% 28%,rgba(7,11,22,.60),rgba(7,11,22,.94) 62%),
    linear-gradient(180deg,rgba(7,11,22,.58),rgba(7,11,22,.97));
}
.hero-inner{position:relative;padding:64px 0 68px;min-height:420px;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
  background:rgba(53,224,224,.08);
  border:1px solid rgba(53,224,224,.28);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:700;
  margin:0 0 18px;
  max-width:15em;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:660px;
  margin:0 0 30px;
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}

.kpi-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.08);
  max-width:820px;
}
.kpi{border-left:2px solid rgba(122,150,255,.35);padding-left:14px;}
.kpi b{
  display:block;
  font-size:26px;
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.kpi span{display:block;font-size:13px;color:var(--text-3);line-height:1.6;}

/* ---------- 通用板块 ---------- */
.section{padding:100px 0;border-top:1px solid rgba(255,255,255,.05);}
.section-alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--cyan);
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;margin:0 0 14px;}
.section-head p{font-size:16px;color:var(--text-2);margin:0;max-width:680px;}

.grid-gap{margin-left:-12px;margin-right:-12px;}
.grid-gap>.cell{padding-left:12px;padding-right:12px;padding-bottom:24px;}

/* ---------- 数据卡 ---------- */
.data-card{
  height:100%;
  padding:26px;
  border-radius:var(--r);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  display:flex;
  flex-direction:column;
}
.data-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.data-card .card-ico{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  color:var(--cyan);
  font-size:16px;
  background:rgba(53,224,224,.09);
  border:1px solid rgba(53,224,224,.24);
  margin-bottom:16px;
}
.data-card h3{font-size:19px;font-weight:600;margin:0 0 10px;}
.data-card p{font-size:14.5px;color:var(--text-2);margin:0 0 18px;line-height:1.8;}
.data-card .card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.02em;
}
.data-card .card-foot b{color:var(--gold);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 场景卡 ---------- */
.scene-card{
  height:100%;
  padding:22px;
  border-radius:var(--r-sm);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid rgba(122,150,255,.16);
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.scene-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(255,255,255,.07);}
.scene-card i{color:var(--gold);font-size:18px;margin-bottom:14px;display:block;}
.scene-card h3{font-size:17px;font-weight:600;margin:0 0 8px;}
.scene-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.78;}

/* ---------- 步骤流 ---------- */
.steps{margin-top:8px;}
.step{
  padding:48px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.step:first-child{border-top:0;padding-top:12px;}
.step-no{
  font-size:clamp(44px,5vw,64px);
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
  color:rgba(122,150,255,.13);
  -webkit-text-stroke:1.5px rgba(122,150,255,.55);
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step-body h3{font-size:21px;font-weight:600;margin:0 0 12px;line-height:1.5;}
.step-body p{font-size:15.5px;color:var(--text-2);margin:0 0 16px;max-width:34em;}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  letter-spacing:.02em;
  color:#9fc0ff;
  background:rgba(47,107,255,.18);
  border:1px solid rgba(47,107,255,.28);
}
.tag-gold{color:var(--gold);background:rgba(255,194,75,.1);border-color:rgba(255,194,75,.34);}
.step-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .3s ease,filter .3s ease,border-color .3s ease;
}
.step-media img:hover{transform:scale(1.03);filter:brightness(1.06);border-color:var(--line-strong);}
.step .step-media.order-first{order:-1;}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:16px;
  padding:0 22px;
  margin-bottom:16px;
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--line-strong);background:rgba(255,255,255,.075);}
.faq-item[open]{box-shadow:inset 3px 0 0 0 var(--blue);border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  position:relative;
  flex:0 0 auto;
  width:16px;height:16px;
  transition:transform .18s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";
  position:absolute;
  background:var(--cyan);
  border-radius:2px;
}
.faq-ico::before{left:0;right:0;top:7px;height:2px;}
.faq-ico::after{top:0;bottom:0;left:7px;width:2px;transition:opacity .18s ease;}
.faq-item[open] .faq-ico{transform:rotate(180deg);}
.faq-item[open] .faq-ico::after{opacity:0;}
.faq-answer{padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:60em;}

/* ---------- 页尾 CTA 窄条 ---------- */
.cta-section{padding:0 0 96px;}
.cta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:30px 34px;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(47,107,255,.18),rgba(122,77,255,.12));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.cta-bar h2{font-size:22px;margin:0 0 8px;line-height:1.45;}
.cta-bar p{margin:0;font-size:14.5px;color:var(--text-2);max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
.footer-main{padding:72px 0 44px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{font-size:15px;font-weight:700;color:var(--text);}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;margin:0 0 20px;max-width:32em;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text);
  margin:0 0 18px;
}
.footer-links a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:var(--text-2);
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-contact span{
  display:flex;
  align-items:center;
  gap:9px;
  padding:6px 0;
  font-size:14px;
  color:var(--text-2);
}
.footer-contact i{color:var(--cyan);font-size:13px;width:16px;text-align:center;}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  font-size:14px;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.socials a:hover{color:var(--cyan);border-color:rgba(53,224,224,.45);background:rgba(53,224,224,.08);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  background:rgba(4,7,14,.62);
  padding:20px 0;
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-terms{display:flex;gap:16px;}
.footer-terms a{color:var(--text-3);transition:color .2s ease;}
.footer-terms a:hover{color:var(--cyan);}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1280px;}
}

@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .hero-inner{padding:52px 0 56px;min-height:0;}
  .nav-pill{gap:0;}
  .nav-link{padding:8px 11px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-main{padding:56px 0 36px;}
}

@media (min-width:640px) and (max-width:1023px){
  .nav-link.is-aux{display:none;}
}

@media (max-width:767px){
  .kpi-row{grid-template-columns:repeat(2,1fr);gap:18px;}
  .section{padding:64px 0;}
}

@media (max-width:640px){
  .container{padding:0 20px;}
  .nav-pill{display:none;}
  .header-actions .btn-glow{display:none;}
  .nav-toggle{display:grid;}
  .header-inner{min-height:66px;gap:12px;}
  .brand-text strong{font-size:14px;}
  .hero-inner{padding:42px 0 46px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .cta-section{padding:0 0 64px;}
  .cta-bar{padding:24px 22px;}
  .cta-actions .btn{width:100%;}
  .step{padding:34px 0;}
  .step .step-media.order-first{order:0;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:15.5px;padding:18px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media (max-width:520px){
  .kpi-row{grid-template-columns:1fr;}
  .btn{font-size:14.5px;padding:12px 22px;}
  .section-head{margin-bottom:34px;}
  .data-card{padding:22px;}
}

@media (max-width:480px){
  .hero-inner{min-height:380px;}
  .step-no{font-size:40px;}
  .step-media img{aspect-ratio:16/10;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#070B16;
  --bg-2:#0C1226;
  --bg-3:#121A2E;
  --brand:#2F6BFF;
  --violet:#7A4DFF;
  --cyan:#35E0E0;
  --gold:#FFC24B;
  --text:#EAF0FF;
  --muted:#A8B4D0;
  --dim:#6E7A99;
  --glass:rgba(255,255,255,.06);
  --line:rgba(122,150,255,.18);
  --line-strong:rgba(122,150,255,.34);
  --r-xl:20px;
  --r:18px;
  --r-sm:14px;
  --r-xs:12px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --shadow-lift:0 30px 70px rgba(0,0,0,.58);
  --container:1200px;
  --grad:linear-gradient(135deg,#2F6BFF,#7A4DFF);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 14%, rgba(255,255,255,.7), transparent 60%),
    radial-gradient(1.2px 1.2px at 22% 46%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.8px 1.8px at 37% 9%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1.1px 1.1px at 54% 32%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1.5px 1.5px at 68% 62%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1.2px 1.2px at 81% 21%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.7px 1.7px at 92% 47%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1.1px 1.1px at 14% 78%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(1.4px 1.4px at 44% 88%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(1.3px 1.3px at 76% 84%, rgba(255,255,255,.35), transparent 60%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(60% 46% at 10% -6%, rgba(122,77,255,.20), transparent 72%),
    radial-gradient(52% 40% at 94% 4%, rgba(47,107,255,.16), transparent 72%);
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:#63f1f1;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.35;letter-spacing:.01em;}
h1{font-size:clamp(30px,4vw,48px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;border-spacing:0;width:100%;background:transparent;margin:0;}
th{text-align:left;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

/* ============ 容器与板块 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.section{padding:104px 0;position:relative;z-index:1;}
.section--tight{padding:72px 0;}
.section--tint{
  background:linear-gradient(180deg,rgba(12,18,38,.75),rgba(7,11,22,0));
  border-top:1px solid rgba(122,150,255,.10);
  border-bottom:1px solid rgba(122,150,255,.10);
}
.section-head{max-width:760px;margin-bottom:46px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--cyan);
  margin-bottom:14px;
}
.section-head h2{margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;max-width:680px;}
.section-head.is-center p{margin-left:auto;margin-right:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .28s ease,background .25s ease,border-color .25s ease,color .25s ease,filter .25s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 0 0 1px rgba(47,107,255,.6),0 10px 30px rgba(47,107,255,.35);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(47,107,255,.78),0 16px 42px rgba(47,107,255,.5);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(53,224,224,.42);
  color:var(--text);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,22,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;}
.brand:hover{color:var(--text);}
.brand-mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  box-shadow:0 0 18px rgba(47,107,255,.5);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text);}
.brand-sub{font-size:10.5px;letter-spacing:.14em;color:var(--cyan);}

.nav-pill{
  display:flex;
  align-items:center;
  gap:4px;
  padding:6px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:8px 17px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:#fff;
  background:linear-gradient(135deg,rgba(47,107,255,.92),rgba(122,77,255,.88));
  box-shadow:0 8px 22px rgba(47,107,255,.38);
}
.header-cta{flex:0 0 auto;}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;
  left:0;right:0;top:0;
  z-index:70;
  padding:92px 20px 26px;
  background:rgba(7,11,22,.96);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transform:translateY(-100%);
  opacity:0;
  visibility:hidden;
  transition:transform .24s ease,opacity .24s ease,visibility .24s ease;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:16px;
  color:var(--muted);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.drawer-link:hover{color:var(--text);}
.drawer-link.is-active{color:var(--cyan);}
.drawer-cta{margin-top:22px;width:100%;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  z-index:1;
  padding:112px 0 84px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.55;
}
.hero-veil{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(7,11,22,.80) 0%,rgba(7,11,22,.88) 46%,#070B16 100%),
    radial-gradient(64% 58% at 18% 26%, rgba(122,77,255,.26), transparent 72%);
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:var(--dim);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{color:rgba(110,122,153,.65);}
.breadcrumb .current{color:var(--dim);}
.page-hero h1{max-width:900px;margin-bottom:22px;}
.hero-sub{
  color:var(--muted);
  font-size:17px;
  line-height:1.9;
  max-width:700px;
  margin:0 0 34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px 44px;
  margin-top:44px;
  padding-top:30px;
  border-top:1px solid rgba(122,150,255,.16);
  max-width:720px;
}
.stat strong{
  display:block;
  font-size:28px;
  font-weight:700;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat span{font-size:13px;color:var(--muted);letter-spacing:.03em;}

/* ============ 等级选择胶囊 ============ */
.level-switch{position:relative;z-index:6;padding:0 0 8px;}
.level-switch-inner{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  padding:16px 22px;
  border-radius:999px;
  background:rgba(7,11,22,.82);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  margin-top:-42px;
}
.switch-label{font-size:12px;letter-spacing:.16em;color:var(--dim);white-space:nowrap;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:9px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-size:14px;
  transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .25s ease,transform .2s ease;
}
.chip:hover{color:var(--text);border-color:rgba(53,224,224,.5);transform:translateY(-1px);}
.chip.is-active{
  color:#fff;
  background:var(--grad);
  border-color:transparent;
  box-shadow:0 8px 24px rgba(47,107,255,.36);
}

/* ============ 等级卡片网格 ============ */
.grid-x.plan-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1.5fr;
  gap:24px;
  margin:0;
}
.plan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:30px 28px;
  border-radius:var(--r);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.plan-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:var(--tone,#2F6BFF);
}
.plan-card[data-tone="blue"]{--tone:#2F6BFF;}
.plan-card[data-tone="violet"]{--tone:#7A4DFF;}
.plan-card[data-tone="gold"]{--tone:#FFC24B;}
.plan-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lift);}
.plan-card.is-featured{
  border-color:rgba(255,194,75,.55);
  background:linear-gradient(180deg,rgba(255,194,75,.07),rgba(255,255,255,.04));
  box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 0 1px rgba(255,194,75,.22);
  transform:translateY(-8px);
}
.plan-card.is-featured:hover{transform:translateY(-12px);}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.plan-head h3{font-size:22px;font-weight:700;}
.plan-price{display:flex;align-items:baseline;gap:8px;color:var(--text);}
.price-num{
  font-size:36px;
  font-weight:700;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.plan-card[data-tone="blue"] .price-num{color:#8fb0ff;}
.plan-card[data-tone="violet"] .price-num{color:#c0a8ff;}
.price-unit{font-size:14px;color:var(--muted);}
.plan-note{color:var(--muted);font-size:14px;margin:0;}
.plan-list{margin-top:2px;}
.plan-list li{
  display:flex;
  gap:11px;
  align-items:flex-start;
  padding:10px 0;
  font-size:14.5px;
  color:var(--muted);
  border-bottom:1px dashed rgba(122,150,255,.14);
  line-height:1.7;
}
.plan-list li:last-child{border-bottom:0;}
.plan-list i{color:var(--cyan);font-size:12px;margin-top:7px;flex:0 0 auto;}
.plan-card .btn{margin-top:auto;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  letter-spacing:.05em;
  white-space:nowrap;
}
.badge-blue{background:rgba(47,107,255,.2);color:#a4bcff;}
.badge-violet{background:rgba(122,77,255,.22);color:#c6b1ff;}
.badge-gold{background:rgba(255,194,75,.14);color:var(--gold);border:1px solid rgba(255,194,75,.45);}
.badge-plain{background:rgba(255,255,255,.07);color:var(--muted);}

/* ============ 权益对比 ============ */
.compare-shell{
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow);
}
table.compare-table{width:100%;border-collapse:collapse;font-size:15px;background:transparent;}
.compare-table thead th{
  padding:20px 22px;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--muted);
  background:rgba(12,18,38,.92);
  border-bottom:1px solid var(--line);
}
.compare-table thead th.is-rec{color:var(--gold);}
.compare-table tbody tr{background:transparent;}
.compare-table tbody tr:nth-child(even){background:rgba(255,255,255,.015);}
.compare-table tbody th{
  padding:16px 22px;
  font-weight:500;
  font-size:15px;
  color:var(--text);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.compare-table td{
  padding:16px 22px;
  color:var(--muted);
  font-size:14.5px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table .col-rec{background:rgba(255,194,75,.05);}
.cell-yes{color:var(--cyan);}
.cell-yes i{margin-right:8px;font-size:12px;}
.cell-no{color:#4d5878;}
.compare-cards{display:none;}

/* ============ 内容样本 ============ */
.grid-x.content-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin:0;
}
.content-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.content-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lift);}
.content-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.content-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  filter:brightness(.9);
  transition:transform .55s ease,filter .55s ease;
}
.content-card:hover .content-thumb img{transform:scale(1.03);filter:brightness(1.02);}
.lock{
  position:absolute;
  right:12px;
  bottom:12px;
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:rgba(7,11,22,.75);
  border:1px solid rgba(255,194,75,.42);
  color:var(--gold);
  font-size:12px;
}
.content-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;}
.meta-row{display:flex;align-items:center;gap:10px;}
.meta{font-size:12.5px;color:var(--dim);letter-spacing:.04em;}
.content-body h3{font-size:18.5px;line-height:1.5;}
.content-body h3 a{color:var(--text);}
.content-body h3 a:hover{color:var(--cyan);}
.content-body p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.8;}

/* ============ 流程步骤 ============ */
.step-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.step-item{
  position:relative;
  padding:28px 24px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.step-item:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(255,255,255,.06);}
.step-num{
  display:block;
  font-size:46px;
  font-weight:800;
  line-height:1;
  margin-bottom:16px;
  color:transparent;
  -webkit-text-stroke:1px rgba(53,224,224,.7);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.step-item h3{font-size:18px;margin-bottom:10px;}
.step-item p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:940px;}
.faq-item{
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  padding:0 24px;
  transition:border-color .3s ease,background .3s ease;
}
.faq-item:hover{border-color:var(--line-strong);background:rgba(255,255,255,.055);}
.faq-item[open]{border-color:var(--line-strong);border-left-color:var(--brand);background:rgba(255,255,255,.065);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;
  width:24px;
  height:24px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--cyan);
  font-size:12px;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(47,107,255,.18);}
.faq-item .faq-answer{color:var(--muted);font-size:15px;padding:0 0 22px;margin:0;line-height:1.85;max-width:820px;}

/* ============ 页尾 CTA ============ */
.cta-card{
  position:relative;
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:34px;
  align-items:center;
  padding:46px 46px;
  border-radius:var(--r-xl);
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(47,107,255,.18),rgba(122,77,255,.14)),rgba(12,18,38,.92);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-80px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.16),transparent 68%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.cta-text p{color:var(--muted);font-size:15.5px;margin:0;max-width:560px;}
.cta-action{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-note{font-size:12.5px;color:var(--dim);letter-spacing:.03em;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;margin-top:0;background:#05070F;border-top:1px solid var(--line);}
.footer-main{padding:74px 0 56px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:20px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{font-size:15.5px;font-weight:700;letter-spacing:.01em;}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.85;max-width:340px;margin:0;}
.socials{display:flex;gap:12px;margin-top:22px;}
.socials a{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-size:14px;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.socials a:hover{color:var(--cyan);border-color:rgba(53,224,224,.45);background:rgba(53,224,224,.08);transform:translateY(-2px);}
.footer-links{display:flex;flex-direction:column;gap:13px;}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:13px;}
.footer-contact span{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);line-height:1.6;}
.footer-contact i{color:var(--cyan);width:16px;flex:0 0 auto;font-size:13px;}
.footer-bottom{background:#03050C;border-top:1px solid var(--line);padding:20px 0 26px;}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--dim);
}
.footer-fine{margin:12px 0 0;font-size:12px;color:#4d5878;letter-spacing:.04em;line-height:1.7;}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:78px 0;}
  .section--tight{padding:60px 0;}
  .nav-anchor{display:none;}
  .header-cta .btn{padding:10px 20px;font-size:14px;}
  .grid-x.plan-grid{grid-template-columns:repeat(2,1fr);}
  .plan-card.is-featured{grid-column:1 / -1;transform:translateY(0);}
  .grid-x.content-grid{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-card{grid-template-columns:1fr;padding:38px 32px;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .compare-shell{display:none;}
  .compare-cards{display:grid;gap:16px;}
  .compare-card{
    border-radius:var(--r);
    border:1px solid var(--line);
    background:rgba(255,255,255,.045);
    padding:22px 22px 24px;
    box-shadow:var(--shadow);
  }
  .compare-card.is-rec{border-color:rgba(255,194,75,.5);background:linear-gradient(180deg,rgba(255,194,75,.07),rgba(255,255,255,.04));}
  .compare-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
  .compare-card-head h3{font-size:19px;}
  .compare-card li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    padding:9px 0;
    font-size:14.5px;
    color:var(--muted);
    border-bottom:1px dashed rgba(122,150,255,.13);
    line-height:1.7;
  }
  .compare-card li:last-child{border-bottom:0;}
  .compare-card i{font-size:12px;margin-top:7px;flex:0 0 auto;}
  .compare-card li.is-yes i{color:var(--cyan);}
  .compare-card li.is-no i{color:#4d5878;}
  .compare-card li.is-no span{color:#5a6484;}
  .grid-x.content-grid{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .level-switch-inner{border-radius:var(--r-xl);margin-top:-28px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .nav-pill{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .page-hero{padding:88px 0 60px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:12px 30px;padding-top:24px;margin-top:32px;}
  .stat strong{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-main{padding:56px 0 40px;}
  .cta-card{padding:30px 22px;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:16px;}
  .plan-card{padding:26px 22px;}
  .price-num{font-size:30px;}
  .step-num{font-size:40px;}
}
@media (max-width:479px){
  h1{font-size:26px;}
  .page-hero{padding:78px 0 52px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:10px 24px;}
}