/* roulang page: index */
:root{
  --bg:#070E18;
  --bg-soft:#0B1524;
  --panel:#101C2E;
  --glass:rgba(255,255,255,.06);
  --line:rgba(120,200,255,.14);
  --line-strong:rgba(33,212,232,.45);
  --line-warm:rgba(255,166,48,.45);
  --cyan:#21D4E8;
  --cyan-soft:rgba(33,212,232,.12);
  --orange:#FFA630;
  --violet:#6C7CFF;
  --text:#EAF2FF;
  --sub:#9FB2CB;
  --muted:#6B7E96;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(33,212,232,.28);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070E18;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(120,200,255,.14);
  --bs-primary:#21D4E8;
  --bs-link-color:#21D4E8;
  --bs-link-hover-color:#7FE9F4;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease);}
a:hover{color:#7FE9F4;}
p{margin:0 0 16px;color:var(--sub);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35;letter-spacing:.2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(33,212,232,.3);color:#fff;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:88px 0;position:relative;}
.section-alt{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:34px;font-weight:700;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--sub);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);letter-spacing:1px;
  margin-bottom:16px;text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.8;}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:72px;
  background:rgba(7,14,24,.62);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.scrolled{
  background:#070E18;
  border-bottom-color:rgba(33,212,232,.28);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,rgba(33,212,232,.9),rgba(108,124,255,.75));
  position:relative;
  box-shadow:0 6px 20px rgba(33,212,232,.3);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:6px;
  border:1.5px solid rgba(7,14,24,.75);
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.5px;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:11px;font-weight:600;color:var(--cyan);margin-left:6px;letter-spacing:1px;vertical-align:2px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  font-size:15px;color:var(--sub);font-weight:500;
  padding:6px 0;white-space:nowrap;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--cyan);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:#CFE6F7;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:#BDF3FA;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:#B8F2F8;
  background:rgba(33,212,232,.08);
  border:1px solid rgba(33,212,232,.3);
  white-space:nowrap;
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(33,212,232,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,212,232,.55);}
  70%{box-shadow:0 0 0 8px rgba(33,212,232,0);}
  100%{box-shadow:0 0 0 0 rgba(33,212,232,0);}
}
.countdown-chip{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:#FFD79B;
  border:1px solid var(--line-warm);
  background:rgba(255,166,48,.07);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.countdown-chip i{font-size:11px;color:var(--orange);}
.countdown-chip b{font-weight:700;color:var(--orange);font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.btn-brand{
  background:linear-gradient(120deg,#21D4E8 0%,#57C6F5 48%,#6C7CFF 100%);
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04121A;box-shadow:0 12px 34px rgba(33,212,232,.42);}
.btn-brand:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:transparent;color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(33,212,232,.1);color:#DDF8FC;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-warm{
  background:linear-gradient(120deg,#FFA630,#FF8A3D);
  color:#1B1206;box-shadow:0 8px 26px rgba(255,166,48,.3);
}
.btn-warm:hover{transform:translateY(-2px);filter:brightness(1.06);color:#1B1206;}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-size:14.5px;font-weight:600;
  background:none;border:none;padding:0;
}
.btn-link-arrow i{transition:transform var(--ease);}
.btn-link-arrow:hover i{transform:translateX(4px);}

/* 徽章 */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;line-height:1;
  background:var(--glass);border:1px solid var(--line);color:#BFD8EE;
}
.pill-cyan{background:rgba(33,212,232,.1);border-color:rgba(33,212,232,.32);color:#A9EFF8;}
.pill-warm{background:rgba(255,166,48,.14);border-color:var(--line-warm);color:#FFCB84;font-weight:600;}
.pill-soft{background:rgba(33,212,232,.08);border-color:rgba(33,212,232,.28);color:#B7EFF7;}

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

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 92px;
  background:var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.26;filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 12% 18%,rgba(33,212,232,.16),transparent 70%),
    radial-gradient(520px 340px at 88% 78%,rgba(108,124,255,.14),transparent 72%),
    linear-gradient(180deg,rgba(7,14,24,.82) 0%,rgba(7,14,24,.94) 62%,#070E18 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid-lines{
  position:absolute;inset:0;z-index:1;
  background-image:
    linear-gradient(to right,rgba(120,200,255,.06) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(120,200,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 25%,transparent 78%);
}
.hero h1{
  font-size:48px;font-weight:800;line-height:1.24;
  margin:20px 0 18px;letter-spacing:0;
  max-width:14em;
  background:linear-gradient(100deg,#EAF2FF 30%,#A9EFF8 78%,#8FD8FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;color:#B9CBDF;max-width:30em;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.hero-stats li{
  padding:0 26px;border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:2px;
}
.hero-stats li:first-child{padding-left:0;border-left:none;}
.hero-stats strong{
  font-size:26px;font-weight:800;color:#DFF7FD;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.hero-stats span{font-size:13px;color:var(--muted);}
.hero-card{padding:26px;border-color:rgba(33,212,232,.28);}
.hero-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hero-card-top h2{font-size:16px;font-weight:600;color:#D7E8F7;}
.cd-row{display:flex;gap:10px;margin-bottom:18px;}
.cd-cell{
  flex:1;text-align:center;padding:12px 6px;
  background:rgba(7,14,24,.7);
  border:1px solid var(--line-warm);
  border-radius:var(--r-md);
}
.cd-cell b{
  display:block;font-size:26px;font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.cd-cell span{font-size:11.5px;color:var(--muted);letter-spacing:1px;}
.progress-wrap{margin-bottom:18px;}
.progress-label{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.progress-bar-c{
  height:8px;border-radius:999px;background:rgba(120,200,255,.12);overflow:hidden;
}
.progress-bar-c i{
  display:block;height:100%;width:68%;border-radius:999px;
  background:linear-gradient(90deg,#21D4E8,#6C7CFF);
  box-shadow:0 0 14px rgba(33,212,232,.5);
}
.mini-rows li{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13.5px;color:var(--sub);
  padding:11px 0;border-bottom:1px dashed rgba(120,200,255,.16);
}
.mini-rows li:last-child{border-bottom:none;padding-bottom:0;}
.mini-rows b{color:#B7EFF7;font-variant-numeric:tabular-nums;font-weight:700;}

/* 信任条 */
.trust-bar{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:22px 0;
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.trust-grid li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:#BFD5E9;}
.trust-grid i{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--cyan);font-size:14px;
  border:1px solid rgba(33,212,232,.3);
  background:rgba(33,212,232,.08);
}

/* 优惠阶梯 */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.ladder-card{
  position:relative;padding:24px 22px 26px;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  backdrop-filter:blur(10px);
}
.ladder-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.ladder-num{
  font-size:13px;font-weight:800;letter-spacing:1.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;
}
.ladder-card h3{font-size:19px;margin-bottom:10px;}
.ladder-card p{font-size:14px;color:var(--sub);margin:0 0 14px;min-height:66px;}
.ladder-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;color:#A9EFF8;background:rgba(33,212,232,.1);
  border:1px solid rgba(33,212,232,.3);
}
.ladder-card.active{
  border-color:var(--line-warm);
  box-shadow:0 20px 52px rgba(255,166,48,.16),inset 0 1px 0 rgba(255,255,255,.08);
}
.ladder-card.active .ladder-num{color:var(--orange);}
.ladder-card.active .ladder-tag{color:#FFCB84;background:rgba(255,166,48,.14);border-color:var(--line-warm);}
.ladder-card.active h3{color:#FFE2B6;}

/* 套餐对比 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{
  padding:28px 26px 30px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  position:relative;
  backdrop-filter:blur(12px);
  transition:transform var(--ease),border-color var(--ease);
}
.plan:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.plan.featured{
  border-color:rgba(33,212,232,.5);
  background:linear-gradient(180deg,rgba(33,212,232,.09),rgba(255,255,255,.04));
  box-shadow:0 24px 60px rgba(33,212,232,.18),inset 0 1px 0 rgba(255,255,255,.1);
  transform:translateY(-10px);
}
.plan.featured:hover{transform:translateY(-14px);}
.plan-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  height:26px;padding:0 14px;border-radius:999px;
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;color:#04121A;
  background:linear-gradient(120deg,#21D4E8,#6C7CFF);
  box-shadow:0 8px 22px rgba(33,212,232,.35);
  white-space:nowrap;
}
.plan h3{font-size:20px;margin-bottom:8px;}
.plan .plan-desc{font-size:13.5px;color:var(--muted);margin-bottom:18px;min-height:44px;}
.plan-num{
  display:flex;align-items:baseline;gap:8px;margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.plan-num b{font-size:36px;font-weight:800;color:#DFF7FD;line-height:1.1;letter-spacing:.5px;}
.plan-num span{font-size:13px;color:var(--sub);}
.plan-sub{font-size:12.5px;color:var(--muted);margin-bottom:20px;}
.plan ul{margin-top:6px;}
.plan ul li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;color:#C4D7E9;
  padding:10px 0;border-bottom:1px dashed rgba(120,200,255,.16);
}
.plan ul li:last-child{border-bottom:none;}
.plan ul li i{color:var(--cyan);font-size:12px;margin-top:6px;flex-shrink:0;}
.plan ul li.off{color:var(--muted);}
.plan ul li.off i{color:var(--muted);}
.plan-cta{margin-top:22px;}

/* 限时条 */
.flash-bar{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  padding:26px 30px;border-radius:var(--r-lg);
  border:1px solid var(--line-warm);
  background:
    radial-gradient(420px 200px at 8% 50%,rgba(255,166,48,.14),transparent 72%),
    rgba(255,255,255,.04);
  box-shadow:0 16px 44px rgba(0,0,0,.4);
}
.flash-left{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.flash-left h2{font-size:22px;margin:0;}
.flash-cd{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.flash-cd b{
  min-width:44px;text-align:center;padding:6px 8px;border-radius:10px;
  background:rgba(255,166,48,.12);border:1px solid rgba(255,166,48,.3);
  color:var(--orange);font-size:17px;font-weight:800;
}
.flash-cd span{color:var(--muted);font-size:12px;}
.flash-note{font-size:13px;color:var(--sub);margin:0;}

/* 最新信息 */
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head-row h2{font-size:34px;margin-bottom:8px;}
.section-head-row p{margin:0;color:var(--sub);font-size:15px;}
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  padding:16px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  color:inherit;
  backdrop-filter:blur(10px);
  height:100%;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);color:inherit;}
.post-cover{
  aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(120,200,255,.16);
  background:linear-gradient(135deg,#0F2033,#132A44);
  margin-bottom:14px;
}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-card h3{
  font-size:16px;line-height:1.55;margin:10px 0 8px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:13.5px;color:var(--sub);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
  padding-top:12px;border-top:1px dashed rgba(120,200,255,.16);
}
.post-meta i{color:var(--cyan);transition:transform var(--ease);}
.post-card:hover .post-meta i{transform:translateX(4px);}
.post-empty{
  grid-column:1/-1;text-align:center;padding:56px 20px;
  border:1px dashed rgba(120,200,255,.2);border-radius:var(--r-lg);
  color:var(--muted);font-size:14.5px;background:rgba(255,255,255,.02);
}
.post-empty i{display:block;font-size:26px;color:rgba(33,212,232,.5);margin-bottom:12px;}

/* 优势区 */
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.adv-media{position:relative;}
.adv-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid rgba(120,200,255,.18);
  box-shadow:var(--shadow);
}
.adv-media .adv-badge{
  position:absolute;left:22px;bottom:-18px;
  padding:14px 18px;border-radius:var(--r-md);
  background:rgba(16,28,46,.94);border:1px solid var(--line-strong);
  box-shadow:0 16px 40px rgba(0,0,0,.5);
  display:flex;align-items:center;gap:12px;
}
.adv-badge b{font-size:24px;font-weight:800;color:#DFF7FD;font-variant-numeric:tabular-nums;}
.adv-badge span{font-size:12.5px;color:var(--muted);line-height:1.4;}
.adv-list{counter-reset:adv;margin-top:28px;}
.adv-list li{
  position:relative;padding:18px 0 18px 58px;
  border-bottom:1px dashed rgba(120,200,255,.16);
}
.adv-list li:last-child{border-bottom:none;}
.adv-list li::before{
  counter-increment:adv;content:"0" counter(adv);
  position:absolute;left:0;top:16px;
  font-size:14px;font-weight:800;letter-spacing:1px;
  color:var(--cyan);font-variant-numeric:tabular-nums;
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(33,212,232,.28);background:rgba(33,212,232,.07);
}
.adv-list h3{font-size:17px;margin-bottom:6px;}
.adv-list p{font-size:14px;margin:0;color:var(--sub);}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  position:relative;padding-left:22px;
  border-bottom:1px solid rgba(120,200,255,.16);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:26px;
  width:2px;height:22px;border-radius:2px;background:var(--cyan);
  transition:height var(--ease),background var(--ease);
}
.faq-item.open::before{height:calc(100% - 52px);background:linear-gradient(180deg,#21D4E8,rgba(33,212,232,.25));}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;
  padding:24px 0;color:var(--text);
  font-size:17px;font-weight:600;line-height:1.6;cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:#BDF3FA;}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform var(--ease);color:var(--cyan);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity var(--ease);}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{padding:0 40px 24px 0;font-size:15px;line-height:1.8;color:var(--sub);}
.faq-a p{margin:0;color:var(--sub);}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:start;}
.form-card{padding:34px;border-radius:var(--r-lg);}
.form-card h2{font-size:26px;margin-bottom:10px;}
.form-card > p{font-size:14.5px;color:var(--sub);margin-bottom:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:#BCD2E6;margin-bottom:8px;font-weight:500;}
.field label .req{color:var(--orange);margin-left:3px;}
.form-control,.form-select{
  width:100%;height:48px;padding:0 14px;
  background:rgba(7,14,24,.72);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text);font-size:14.5px;font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  appearance:none;
}
textarea.form-control{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-control::placeholder{color:var(--muted);}
.form-control:focus,.form-select:focus{
  outline:none;background:rgba(7,14,24,.9);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(33,212,232,.16);
}
.form-select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%239FB2CB' d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;
  padding-right:36px;
}
.form-select option{background:#0B1524;color:var(--text);}
.form-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px;flex-wrap:wrap;}
.form-tip{font-size:12.5px;color:var(--muted);margin:0;}
.form-msg{margin-top:14px;font-size:13.5px;color:#A9EFF8;display:none;}
.form-msg.show{display:block;}
.contact-side{padding:30px;border-radius:var(--r-lg);}
.contact-side h3{font-size:18px;margin-bottom:20px;}
.contact-side ul li{
  display:flex;gap:12px;padding:14px 0;
  border-bottom:1px dashed rgba(120,200,255,.16);font-size:14px;color:var(--sub);
}
.contact-side ul li:last-child{border-bottom:none;}
.contact-side ul li i{color:var(--cyan);font-size:14px;margin-top:5px;flex-shrink:0;}
.contact-side ul li b{display:block;color:#D7E8F7;font-weight:600;margin-bottom:2px;font-size:14px;}

/* CTA 条 */
.cta-band{
  padding:56px 0;
  background:linear-gradient(120deg,rgba(33,212,232,.08),rgba(108,124,255,.08));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;margin-bottom:8px;}
.cta-inner p{margin:0;font-size:14.5px;color:var(--sub);}

/* 页脚 */
.site-footer{background:#050B13;border-top:1px solid var(--line);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;}
.footer-about{font-size:13.5px;color:var(--muted);line-height:1.9;margin:0 0 16px;max-width:32em;}
.footer-col h4{font-size:14px;color:#D7E8F7;margin-bottom:18px;font-weight:600;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:13.5px;color:var(--muted);transition:color var(--ease);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-col ul li span{font-size:13.5px;color:var(--muted);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--cyan);}

/* 移动端抽屉 */
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(33,212,232,.08);border:1px solid rgba(33,212,232,.3);
  color:var(--cyan);font-size:17px;align-items:center;justify-content:center;
  cursor:pointer;transition:background var(--ease);
}
.nav-toggle:hover{background:rgba(33,212,232,.16);}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,7,13,.7);
  backdrop-filter:blur(3px);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:350px;
  background:#0B1524;border-left:1px solid var(--line);
  z-index:1060;padding:24px 22px;
  transform:translateX(105%);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
  display:flex;flex-direction:column;gap:22px;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--sub);font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{color:var(--cyan);border-color:var(--line-strong);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:15.5px;color:#C6D9EA;
  border-bottom:1px solid rgba(120,200,255,.1);
  min-height:44px;
}
.drawer-nav a.active{color:var(--cyan);}
.drawer-nav a i{font-size:11px;color:var(--muted);}
.drawer-extra{
  padding:16px;border-radius:var(--r-md);
  border:1px solid var(--line-warm);background:rgba(255,166,48,.07);
  font-size:13px;color:#FFCB84;
}
.drawer-extra b{font-variant-numeric:tabular-nums;color:var(--orange);}
.drawer-foot{font-size:12.5px;color:var(--muted);line-height:1.9;margin-top:auto;}
body.lock{overflow:hidden;}

/* 响应式 */
@media (max-width:1199.98px){
  .hero h1{font-size:42px;}
  .section{padding:72px 0;}
  .post-grid{grid-template-columns:repeat(3,1fr);}
  .adv-grid{gap:40px;}
}
@media (max-width:991.98px){
  body{padding-top:64px;}
  .site-header{height:64px;}
  .nav-wrap{height:64px;}
  .nav-links{display:none;}
  .status-chip{display:none;}
  .countdown-chip{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:34px;max-width:none;}
  .hero-sub{font-size:16px;}
  .hero-card{margin-top:8px;}
  .hero-stats li{padding:0 18px;}
  .hero-stats strong{font-size:22px;}
  .section{padding:60px 0;}
  .section-head h2,.section-head-row h2{font-size:27px;}
  .ladder{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-4px);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:1fr;gap:48px;}
  .adv-media{order:2;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .flash-bar{flex-direction:column;align-items:flex-start;gap:18px;}
  .flash-left{gap:16px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px;}
  .hero h1{font-size:30px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-stats{gap:0;}
  .hero-stats li{padding:0 14px;}
  .hero-stats li:nth-child(3){padding-left:0;border-left:none;margin-top:14px;}
  .ladder{grid-template-columns:1fr;}
  .ladder-card p{min-height:0;}
  .post-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .contact-side{padding:24px;}
  .cta-inner h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .trust-grid{grid-template-columns:1fr;}
  .section-head h2,.section-head-row h2{font-size:24px;}
  .flash-left h2{font-size:19px;}
  .btn{height:44px;}
}
@media (max-width:575.98px){
  .hero h1{font-size:26px;line-height:1.32;}
  .hero-stats{flex-wrap:wrap;}
  .hero-stats li{width:50%;border-left:none;padding:0 0 12px;}
  .hero-stats li:nth-child(3){margin-top:0;}
  .cd-cell b{font-size:22px;}
  .brand-text{font-size:15px;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .adv-list li{padding-left:50px;}
  .adv-badge{left:12px;padding:10px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#070E18;
  --bg-2:#0B1524;
  --bg-3:#101C2E;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,200,255,.14);
  --line-2:rgba(120,200,255,.26);
  --line-cyan:rgba(33,212,232,.45);
  --line-orange:rgba(255,166,48,.45);
  --cyan:#21D4E8;
  --cyan-soft:rgba(33,212,232,.12);
  --orange:#FFA630;
  --violet:#6C7CFF;
  --text:#EAF2FF;
  --muted:#9FB2CB;
  --dim:#6B7E96;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-btn:0 8px 28px rgba(33,212,232,.28);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
  --bs-body-bg:#070E18;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(120,200,255,.14);
  --bs-border-radius:14px;
  --bs-primary:#21D4E8;
  --bs-link-color:#21D4E8;
  --bs-link-hover-color:#7FE9F5;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.lock{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease)}
a:hover{color:#7FE9F5}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.35}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:rgba(33,212,232,.28);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  text-align:center;white-space:nowrap;
}
.btn-brand{
  color:#04141B;
  background:linear-gradient(120deg,var(--cyan) 0%,#4FE0EE 45%,var(--violet) 100%);
  box-shadow:var(--shadow-btn);
}
.btn-brand:hover{color:#03121A;transform:translateY(-2px);box-shadow:0 14px 36px rgba(33,212,232,.38)}
.btn-brand:active{transform:translateY(0);box-shadow:0 4px 14px rgba(33,212,232,.3)}
.btn-ghost{
  color:var(--text);background:transparent;border-color:var(--line-cyan);
}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;transform:translateY(-2px)}
.btn-promo{
  color:#20140A;background:var(--orange);border-color:rgba(255,166,48,.6);
  box-shadow:0 8px 26px rgba(255,166,48,.24);
}
.btn-promo:hover{background:#FFB855;color:#20140A;transform:translateY(-2px)}
.btn-sm{min-height:36px;padding:0 16px;font-size:13.5px}
.btn-block{width:100%}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1;font-weight:600;letter-spacing:.3px;
  border:1px solid var(--line);background:var(--glass);color:var(--cyan);
}
.pill-cyan{color:var(--cyan);border-color:var(--line-cyan);background:rgba(33,212,232,.08)}
.pill-orange{color:#231604;background:var(--orange);border-color:rgba(255,166,48,.7)}
.pill-glass{color:var(--muted)}
.pill i{font-size:11px}

.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--muted);
  background:var(--glass);border:1px solid var(--line);
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(33,212,232,.5);animation:breath 2s infinite;
}
@keyframes breath{
  0%{box-shadow:0 0 0 0 rgba(33,212,232,.55)}
  70%{box-shadow:0 0 0 7px rgba(33,212,232,0)}
  100%{box-shadow:0 0 0 0 rgba(33,212,232,0)}
}
.countdown-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;color:#FFD9A3;
  background:rgba(255,166,48,.08);border:1px solid var(--line-orange);
  font-variant-numeric:tabular-nums;
}
.countdown-chip b{color:var(--orange);font-weight:800;letter-spacing:.5px;font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(7,14,24,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-solid{background:#070E18;border-bottom-color:var(--line-2);box-shadow:0 12px 34px rgba(0,0,0,.45)}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,rgba(33,212,232,.95),rgba(108,124,255,.85));
  box-shadow:0 6px 18px rgba(33,212,232,.32), inset 0 0 0 1px rgba(255,255,255,.28);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  border:2px solid rgba(7,14,24,.75);border-top-color:transparent;border-left-color:transparent;
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.5px;line-height:1;white-space:nowrap}
.brand-sub{
  display:inline-block;margin-left:5px;padding:2px 5px;
  font-size:10.5px;font-weight:600;letter-spacing:.5px;
  color:var(--cyan);border:1px solid var(--line-cyan);border-radius:5px;
  vertical-align:2px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  height:36px;padding:0 13px;border-radius:8px;
  font-size:14.5px;color:var(--muted);font-weight:500;
  transition:color var(--ease),background var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--cyan);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#A9F2FA}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  font-size:17px;cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(33,212,232,.14);border-color:var(--line-cyan)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:1050;background:rgba(4,9,16,.66);
  opacity:0;visibility:hidden;transition:opacity 220ms ease,visibility 220ms ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:1060;
  width:84vw;max-width:360px;
  background:linear-gradient(180deg,#0B1524,#070E18 60%);
  border-left:1px solid var(--line);
  padding:22px 20px 30px;
  transform:translateX(100%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);cursor:pointer;font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;color:var(--muted);font-size:15px;
  border:1px solid transparent;transition:all var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--text);background:var(--glass);border-color:var(--line);
}
.drawer-meta{display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.drawer-meta .countdown-chip,.drawer-meta .status-chip{justify-content:center;width:100%}

/* ---------- 页面主体 ---------- */
.page-main{padding-top:var(--nav-h)}

/* 面包屑 */
.crumb-bar{
  background:linear-gradient(180deg,#0B1524 0%,rgba(11,21,36,.35) 100%);
  border-bottom:1px solid var(--line);
}
.crumb-inner{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  padding:16px 0;font-size:12.5px;color:var(--dim);
}
.crumb-inner a{color:var(--muted)}
.crumb-inner a:hover{color:var(--cyan)}
.crumb-sep{color:rgba(159,178,203,.4)}
.crumb-current{color:var(--text)}
.crumb-tag{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;color:var(--cyan);background:rgba(33,212,232,.08);
  border:1px solid var(--line-cyan);
}

/* 文章标题区 */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 40px;
  background:
    radial-gradient(700px 340px at 12% -10%,rgba(33,212,232,.16),transparent 70%),
    radial-gradient(600px 300px at 92% 6%,rgba(108,124,255,.14),transparent 72%),
    linear-gradient(180deg,#0B1524,#070E18 90%);
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,200,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.article-head{max-width:860px}
.article-head h1{
  font-size:44px;font-weight:800;letter-spacing:.5px;
  margin:16px 0 18px;line-height:1.3;
  background:linear-gradient(180deg,#FFFFFF 0%,#C6E4F5 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  font-size:13px;color:var(--muted);
  padding-top:16px;border-top:1px dashed rgba(120,200,255,.18);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--cyan);font-size:12px}

/* 文章阅读区 */
.article-section{padding:56px 0 72px;position:relative}
.article-rail{max-width:760px;margin:0 auto}
.article-body{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:42px 44px 34px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:16.5px;line-height:1.9;color:#DCE8F7;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:26px;font-weight:700;letter-spacing:.3px;
  margin:38px 0 16px;padding-left:14px;position:relative;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--cyan),rgba(108,124,255,.7));
}
.article-body h3{
  font-size:19.5px;font-weight:600;margin:28px 0 12px;color:#EAF6FF;
}
.article-body p{margin:0 0 18px}
.article-body strong{color:#FFFFFF;font-weight:700}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(33,212,232,.35)}
.article-body a:hover{color:#8CEFF9;border-bottom-color:rgba(33,212,232,.7)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;list-style:none}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:10px;color:#CFDDEE;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(33,212,232,.14);
}
.article-body ol{counter-reset:artnum}
.article-body ol li{counter-increment:artnum}
.article-body ol li::before{
  content:counter(artnum);position:absolute;left:0;top:.15em;
  width:19px;height:19px;border-radius:6px;font-size:11.5px;font-weight:700;
  color:#04141B;background:var(--cyan);display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--cyan);
  background:rgba(33,212,232,.06);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#B9D6EA;font-style:italic;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;border-radius:var(--r-md);
  border:1px solid var(--line);margin:24px 0 10px;
}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--dim);text-align:center;line-height:1.7}
.article-body .table-wrap,.article-body table{
  display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.article-body table{
  border-collapse:collapse;margin:22px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.03);
}
.article-body thead th{
  background:rgba(33,212,232,.09);color:#EAF6FF;font-weight:700;font-size:13.5px;
  white-space:nowrap;
}
.article-body th,.article-body td{
  padding:12px 16px;text-align:left;border-bottom:1px dashed rgba(120,200,255,.16);
}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px dashed rgba(120,200,255,.2);margin:32px 0}
.article-body code{
  padding:2px 6px;border-radius:6px;font-size:14px;
  background:rgba(33,212,232,.12);color:#9CEBF6;
}
.article-empty{
  text-align:center;padding:56px 24px;
}
.article-empty i{font-size:34px;color:var(--dim);margin-bottom:18px;display:block}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--muted);margin-bottom:24px}

/* 文末 CTA 玻璃条 */
.cta-strip{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  margin-top:32px;padding:26px 30px;
  border-radius:var(--r-lg);
  background:
    radial-gradient(420px 160px at 8% 0%,rgba(255,166,48,.14),transparent 70%),
    linear-gradient(120deg,rgba(33,212,232,.12),rgba(108,124,255,.10));
  border:1px solid var(--line-cyan);
  box-shadow:var(--shadow-card);
}
.cta-strip .cta-txt{flex:1 1 320px;min-width:0}
.cta-strip h2{font-size:22px;margin-bottom:6px}
.cta-strip p{margin:0;color:var(--muted);font-size:14px}

/* 相关推荐 */
.related-section{padding:0 0 72px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;flex-wrap:wrap;
}
.section-head h2{font-size:28px}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--cyan);
}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.rec-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line-cyan);box-shadow:0 26px 66px rgba(0,0,0,.5)}
.rec-thumb{
  aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(135deg,rgba(33,212,232,.18),rgba(108,124,255,.16));
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;line-height:1.5}
.rec-body p{font-size:14px;color:var(--muted);margin:0;flex:1}
.rec-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px dashed rgba(120,200,255,.18);
  font-size:12.5px;color:var(--dim);
}
.rec-foot i{color:var(--cyan)}
.rec-empty{
  grid-column:1/-1;text-align:center;padding:44px 20px;
  border:1px dashed rgba(120,200,255,.24);border-radius:var(--r-lg);
  color:var(--muted);font-size:14px;background:rgba(255,255,255,.02);
}
.rec-empty i{display:block;font-size:26px;color:var(--dim);margin-bottom:12px}

/* 返回与上下篇 */
.back-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:28px;border-top:1px solid var(--line);
}
.back-link{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:var(--muted);
  padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--glass);
  transition:all var(--ease);
}
.back-link:hover{color:var(--text);border-color:var(--line-cyan);background:rgba(33,212,232,.1)}
.pager-links{display:flex;gap:10px;flex-wrap:wrap}
.pager-links a,.pager-links span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
  padding:10px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:all var(--ease);
}
.pager-links a:hover{color:var(--text);border-color:var(--line-cyan)}
.pager-links span{opacity:.55}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;padding:64px 0 0;
  background:linear-gradient(180deg,#0B1524,#070E18 70%);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.1fr;gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:13.5px;line-height:1.85;color:var(--muted);margin:0 0 16px;max-width:340px}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.5px;color:#D5E6F6;
  margin-bottom:16px;padding-bottom:10px;position:relative;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;border-radius:2px;
  background:var(--cyan);
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:13.5px;color:var(--muted);line-height:1.7}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--dim);
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .nav-links{gap:6px}
}
@media (max-width:1199.98px){
  .brand-text{font-size:15.5px}
  .nav-links a{padding:0 10px;font-size:13.8px}
  .nav-links a::after{left:10px;right:10px}
  .countdown-chip{display:none}
  .article-head h1{font-size:38px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:991.98px){
  :root{--nav-h:64px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .status-chip{display:none}
  .nav-wrap{gap:14px}
  .article-hero{padding:40px 0 32px}
  .article-head h1{font-size:32px;margin:14px 0}
  .article-body{padding:32px 28px 26px;font-size:16px}
  .article-body h2{font-size:23px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:auto}
  .cta-strip{padding:22px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .article-hero{padding:32px 0 26px}
  .article-head h1{font-size:27px}
  .article-meta{font-size:12.5px;gap:8px 14px}
  .article-section{padding:36px 0 52px}
  .article-body{padding:26px 20px 22px;border-radius:var(--r-md);font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:21px;margin:28px 0 12px}
  .article-body h3{font-size:17.5px}
  .article-body blockquote{padding:14px 16px;margin:20px 0}
  .rec-grid{grid-template-columns:1fr}
  .section-head h2{font-size:23px}
  .cta-strip{flex-direction:column;align-items:flex-start;text-align:left}
  .cta-strip .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-about{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .back-bar{flex-direction:column;align-items:stretch}
  .back-link{justify-content:center}
  .pager-links{justify-content:space-between}
}
@media (max-width:575.98px){
  .brand-text{font-size:14.5px}
  .brand-sub{font-size:9.5px}
  .brand-mark{width:28px;height:28px}
  .nav-actions{gap:8px}
  .nav-actions .btn-brand{display:none}
  .article-head h1{font-size:24px;line-height:1.35}
  .article-body{padding:22px 16px 18px}
  .article-body h2{font-size:19.5px;padding-left:12px}
  .article-body th,.article-body td{padding:10px 12px;font-size:13px}
  .related-section{padding-bottom:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --bg:#070E18;
  --bg-soft:#0B1524;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,200,255,.14);
  --line-cyan:rgba(33,212,232,.45);
  --line-orange:rgba(255,166,48,.45);
  --cyan:#21D4E8;
  --cyan-soft:#8FEFF8;
  --orange:#FFA630;
  --violet:#6C7CFF;
  --text:#EAF2FF;
  --muted:#9FB2CB;
  --dim:#6B7E96;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-glow:0 8px 28px rgba(33,212,232,.28);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070E18;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(120,200,255,.14);
  --bs-border-radius:14px;
  --bs-primary:#21D4E8;
  --bs-link-color:#21D4E8;
  --bs-link-hover-color:#8FEFF8;
  --bs-font-sans-serif:"PingFang SC","Source Han Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Source Han Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(760px 420px at 12% -6%, rgba(33,212,232,.10), transparent 62%),
    radial-gradient(620px 380px at 92% 8%, rgba(108,124,255,.09), transparent 60%),
    var(--bg);
  pointer-events:none;
}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--cyan-soft);}
img{max-width:100%;display:block;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.2px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px !important;margin-inline:auto;padding-inline:24px;}
.section{padding:88px 0;position:relative;}
.section-alt{background:rgba(11,21,36,.72);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--r-pill);
  background:rgba(33,212,232,.08);
  border:1px solid var(--line-cyan);
  color:var(--cyan-soft);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(33,212,232,.16);}
h2.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.35;margin-bottom:14px;}
.section-desc{color:var(--muted);font-size:16px;max-width:700px;margin:0;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none;}
.btn-brand{
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  color:#04121C;
  box-shadow:var(--shadow-glow);
}
.btn-brand:hover,.btn-brand:focus{transform:translateY(-2px);filter:brightness(1.07);color:#04121C;box-shadow:0 14px 34px rgba(33,212,232,.36);}
.btn-brand:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{
  background:rgba(33,212,232,.06);
  border-color:var(--line-cyan);
  color:var(--cyan-soft);
}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(33,212,232,.12);color:#D7FBFF;transform:translateY(-2px);}
.btn-orange{
  background:var(--orange);
  color:#1A1206;
  box-shadow:0 8px 24px rgba(255,166,48,.28);
}
.btn-orange:hover,.btn-orange:focus{transform:translateY(-2px);filter:brightness(1.05);color:#1A1206;}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px;}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-weight:600;font-size:15px;
  background:none;border:0;padding:0;
}
.btn-link-arrow i{transition:transform var(--ease);}
.btn-link-arrow:hover i{transform:translateX(4px);}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(7,14,24,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:#070E18;
  border-bottom-color:rgba(33,212,232,.28);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 0 18px rgba(33,212,232,.5);
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:4px;background:#070E18;
}
.brand-text{
  font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--text);white-space:nowrap;
}
.brand-sub{
  display:inline-block;margin-left:6px;padding:1px 7px;
  font-size:11px;font-weight:600;letter-spacing:.5px;
  color:var(--cyan-soft);
  border:1px solid var(--line-cyan);
  border-radius:var(--r-pill);
  vertical-align:2px;
}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto;}
.nav-links a{
  position:relative;
  padding:9px 13px;
  font-size:15px;font-weight:500;
  color:var(--muted);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--cyan);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--cyan-soft);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 13px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--muted);font-size:12.5px;white-space:nowrap;
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(33,212,232,.55);}
  50%{box-shadow:0 0 0 6px rgba(33,212,232,0);}
}
.countdown-chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-orange);
  background:rgba(255,166,48,.08);
  color:#FFD8A0;font-size:12.5px;white-space:nowrap;
}
.countdown-chip b{
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  color:var(--orange);font-weight:700;letter-spacing:.5px;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);font-size:17px;cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(33,212,232,.12);border-color:var(--line-cyan);}

/* ===== 移动抽屉 ===== */
.drawer-backdrop{
  position:fixed;inset:0;z-index:1040;
  background:rgba(4,9,16,.66);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-backdrop.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:1050;
  width:84vw;max-width:360px;
  padding:22px 22px 32px;
  background:#101C2E;
  border-left:1px solid var(--line-cyan);
  box-shadow:-24px 0 60px rgba(0,0,0,.55);
  transform:translateX(102%);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
body.drawer-lock{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-close:hover{border-color:var(--line-cyan);color:var(--cyan);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;
  color:var(--muted);font-size:16px;font-weight:500;
  border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{
  color:var(--text);background:rgba(33,212,232,.08);border-color:var(--line-cyan);
}
.drawer-meta{display:flex;flex-direction:column;gap:10px;color:var(--dim);font-size:13px;}
.drawer-meta span{display:flex;align-items:center;gap:8px;}

/* ===== 页面 Banner ===== */
.page-banner{
  position:relative;
  padding:150px 0 76px;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 360px at 18% 12%, rgba(33,212,232,.18), transparent 66%),
    linear-gradient(180deg, rgba(7,14,24,.86) 0%, rgba(7,14,24,.94) 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,200,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 60% at 40% 30%, #000 30%, transparent 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 40% 30%, #000 30%, transparent 100%);
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;}
.breadcrumb-nav{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--dim);margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--muted);}
.breadcrumb-nav a:hover{color:var(--cyan);}
.breadcrumb-nav .sep{color:rgba(107,126,150,.7);}
.breadcrumb-nav .current{color:var(--text);}
.page-banner h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;line-height:1.25;letter-spacing:.5px;
  max-width:900px;margin-bottom:18px;
}
.page-banner h1 em{font-style:normal;color:var(--cyan);}
.banner-sub{
  max-width:660px;font-size:17px;color:var(--muted);margin-bottom:28px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:0;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:18px 8px;max-width:760px;
}
.banner-stats .stat{flex:1 1 160px;padding:0 20px;border-left:1px solid var(--line);}
.banner-stats .stat:first-child{border-left:0;}
.stat b{
  display:block;font-size:24px;font-weight:800;color:var(--cyan);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;line-height:1.3;
}
.stat span{font-size:13px;color:var(--dim);}

/* ===== 玻璃卡通用 ===== */
.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.glass-card:hover{border-color:var(--line-cyan);transform:translateY(-4px);}

/* ===== 步骤卡 ===== */
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.step-card{
  position:relative;
  padding:26px 22px 24px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-cyan);}
.step-card:not(:last-child)::after{
  content:"";position:absolute;top:44px;right:-24px;width:24px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(33,212,232,.6) 0 6px,transparent 6px 12px);
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;margin-bottom:16px;
  background:rgba(33,212,232,.1);
  border:1px solid var(--line-cyan);
  color:var(--cyan);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;}

/* ===== 图文交替 ===== */
.split{
  display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;
}
.split + .split{margin-top:72px;}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:linear-gradient(135deg,rgba(33,212,232,.18),rgba(108,124,255,.14));
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:16px;line-height:1.4;}
.split-body p{color:var(--muted);font-size:15.5px;}
.mini-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);
}
.mini-list li i{color:var(--cyan);margin-top:6px;font-size:12px;}

/* ===== 要点清单 ===== */
.check-panel{
  padding:38px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.check-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px 32px;margin-top:8px;
}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;
  border-bottom:1px dashed rgba(120,200,255,.16);
}
.check-item i{
  flex:none;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(33,212,232,.14);
  border:1px solid var(--line-cyan);
  color:var(--cyan);font-size:11px;margin-top:4px;
}
.check-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.check-item span{font-size:14px;color:var(--muted);}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;}
.faq-item{
  border-bottom:1px solid rgba(120,200,255,.14);
  padding:4px 0;
}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 20px 18px;
  background:none;border:0;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;
  cursor:pointer;position:relative;
  transition:color var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;
  background:rgba(33,212,232,.4);border-radius:2px;
  transition:background var(--ease),top var(--ease),bottom var(--ease);
}
.faq-item.is-open .faq-q::before{background:var(--cyan);top:16px;bottom:16px;}
.faq-q:hover{color:var(--cyan-soft);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--cyan);font-size:12px;
  transition:transform var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--line-cyan);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 280ms cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  padding:0 40px 22px 18px;
  margin:0;font-size:15px;color:var(--muted);line-height:1.85;
}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 38px;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(255,166,48,.10),rgba(33,212,232,.07));
  border:1px solid var(--line-orange);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 200px at 12% 50%,rgba(255,166,48,.16),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:8px;}
.cta-band p{margin:0;color:var(--muted);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}

/* ===== 页脚 ===== */
.site-footer{
  background:#060C15;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-about{font-size:14px;color:var(--dim);line-height:1.9;margin:0 0 18px;max-width:360px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  height:26px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
}
.pill-cyan{background:rgba(33,212,232,.1);border:1px solid var(--line-cyan);color:var(--cyan-soft);}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:13.5px;color:var(--dim);}
.footer-col a{color:var(--dim);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:22px 0 26px;
  border-top:1px solid rgba(120,200,255,.12);
  font-size:12.5px;color:var(--dim);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .section{padding:64px 0;}
  .page-banner{padding:132px 0 64px;}
  .nav-links{gap:2px;}
  .nav-links a{padding:9px 10px;font-size:14.5px;}
  .status-chip{display:none;}
  .split{gap:40px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-brand{display:none;}
  .nav-wrap{height:64px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .step-card:not(:last-child)::after{display:none;}
  .split,.split.reverse{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:52px;}
  .check-grid{grid-template-columns:1fr;}
  .check-panel{padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .page-banner{padding:112px 0 52px;}
  .banner-sub{font-size:15.5px;}
  .banner-stats{padding:14px 4px;}
  .banner-stats .stat{flex:1 1 100%;border-left:0;border-top:1px solid var(--line);padding:12px 16px;}
  .banner-stats .stat:first-child{border-top:0;}
  .steps-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding-left:14px;}
  .faq-a p{padding-left:14px;padding-right:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:575.98px){
  .container{padding-inline:18px;}
  .brand-text{font-size:15.5px;}
  .brand-sub{font-size:10px;padding:1px 6px;}
  .countdown-chip{display:none;}
  .page-banner h1{font-size:28px;}
  .step-card{padding:22px 18px;}
  .check-panel{padding:22px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg:#070E18;
  --bg-alt:#0B1524;
  --glass:rgba(255,255,255,0.06);
  --float:#101C2E;
  --cyan:#21D4E8;
  --orange:#FFA630;
  --violet:#6C7CFF;
  --line:rgba(120,200,255,0.14);
  --line-strong:rgba(33,212,232,0.45);
  --line-orange:rgba(255,166,48,0.45);
  --text:#EAF2FF;
  --text-2:#9FB2CB;
  --text-3:#6B7E96;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-glass:0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070E18;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(120,200,255,0.14);
  --bs-primary:#21D4E8;
  --bs-border-radius:14px;
  --bs-border-radius-sm:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#21D4E8;
  --bs-link-hover-color:#7CE9F4;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color 180ms var(--ease);}
a:hover{color:#7CE9F4;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1248px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(7,14,24,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.site-header.is-scrolled{
  background:#070E18;
  border-bottom-color:rgba(33,212,232,.3);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  position:relative;
  flex:0 0 auto;
  background:linear-gradient(135deg,rgba(33,212,232,.95),rgba(108,124,255,.85));
  box-shadow:0 6px 18px rgba(33,212,232,.3), inset 0 1px 0 rgba(255,255,255,.45);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:9px;
  border-radius:4px;
  background:rgba(7,14,24,.88);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.5px;
  white-space:nowrap;
}
.brand-sub{
  font-size:12px;
  font-weight:600;
  color:var(--cyan);
  margin-left:4px;
  letter-spacing:1px;
  vertical-align:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  padding:6px 2px;
  white-space:nowrap;
  transition:color 180ms var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 180ms var(--ease);
}
.nav-links a:hover{color:#C6F6FB;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:#C6F6FB;font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.status-chip,
.countdown-chip,
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:28px;
  padding:0 13px;
  border-radius:999px;
  font-size:13px;
  line-height:1;
  white-space:nowrap;
}
.status-chip{
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-2);
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 0 rgba(33,212,232,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,212,232,.55);}
  70%{box-shadow:0 0 0 7px rgba(33,212,232,0);}
  100%{box-shadow:0 0 0 0 rgba(33,212,232,0);}
}
.countdown-chip{
  background:rgba(255,166,48,.08);
  border:1px solid var(--line-orange);
  color:#FFC777;
  font-variant-numeric:tabular-nums;
}
.countdown-chip b{
  font-weight:800;
  color:var(--orange);
  letter-spacing:.5px;
}
.pill{
  height:24px;
  padding:0 12px;
  font-size:12px;
  font-weight:600;
}
.pill-cyan{
  background:rgba(33,212,232,.1);
  border:1px solid rgba(33,212,232,.35);
  color:#9BEDF6;
}
.pill-orange{
  background:var(--orange);
  border:1px solid var(--orange);
  color:#241300;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:border-color 180ms var(--ease), background 180ms var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(33,212,232,.1);}

/* ---------- 按钮 ---------- */
.btn-brand,
.btn-ghost,
.btn-warm{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 180ms var(--ease), box-shadow 180ms var(--ease), filter 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}
.btn-brand{
  color:#04121A;
  background:linear-gradient(135deg,#21D4E8,#6C7CFF);
  box-shadow:0 8px 28px rgba(33,212,232,.28);
}
.btn-brand:hover{
  color:#04121A;
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 14px 36px rgba(33,212,232,.4);
}
.btn-ghost{
  color:#C6F6FB;
  background:transparent;
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:#EAF2FF;
  background:rgba(33,212,232,.1);
  transform:translateY(-2px);
}
.btn-warm{
  color:#241300;
  background:var(--orange);
  border-color:var(--orange);
  box-shadow:0 8px 26px rgba(255,166,48,.26);
}
.btn-warm:hover{
  color:#241300;
  transform:translateY(-2px);
  filter:brightness(1.05);
  box-shadow:0 14px 34px rgba(255,166,48,.36);
}
.btn-sm{min-height:38px;padding:0 17px;font-size:14px;}
.btn-brand:active,.btn-ghost:active,.btn-warm:active{transform:translateY(0);}
.btn-brand:disabled,.btn-ghost:disabled,.btn-warm:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--cyan);
  font-weight:600;
  font-size:14px;
}
.link-arrow i{transition:transform 180ms var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 面包屑 & Banner ---------- */
.page-banner{
  position:relative;
  padding:52px 0 68px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(700px 340px at 18% 10%, rgba(33,212,232,.18), transparent 70%),
    radial-gradient(600px 320px at 88% 92%, rgba(108,124,255,.16), transparent 72%),
    linear-gradient(180deg, rgba(7,14,24,.88), rgba(7,14,24,.95));
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(120,200,255,.055) 1px, transparent 1px),linear-gradient(90deg, rgba(120,200,255,.055) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.6;
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:26px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--cyan);}
.crumbs .sep{color:rgba(120,200,255,.35);}
.crumbs .current{color:var(--text);}
.banner-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:44px;
  align-items:center;
}
.banner-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:#9BEDF6;
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.banner-eyebrow i{color:var(--cyan);}
.page-banner h1{
  font-size:48px;
  font-weight:800;
  letter-spacing:.5px;
  margin-bottom:16px;
}
.page-banner h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#21D4E8,#8FA2FF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.banner-sub{
  color:var(--text-2);
  font-size:17px;
  max-width:560px;
  margin-bottom:24px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;}
.banner-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  aspect-ratio:16/11;
  background:linear-gradient(140deg,#0E2038,#0A1626);
}
.banner-visual img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.92;
}
.banner-visual .visual-tag{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:42px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:34px;
  font-weight:700;
  letter-spacing:.4px;
}
.section-head .sub{
  color:var(--text-2);
  font-size:15px;
  max-width:520px;
  margin-top:10px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1.6px;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:12px;
}
.kicker::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(108,124,255,.2));
}

/* ---------- 能力卡 2x2 ---------- */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.cap-card{
  position:relative;
  padding:30px 28px 28px;
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  transition:transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.cap-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.1);
}
.cap-icon{
  width:44px;height:44px;
  border-radius:13px;
  display:grid;place-items:center;
  border:1px solid rgba(33,212,232,.4);
  background:rgba(33,212,232,.09);
  color:var(--cyan);
  font-size:18px;
  margin-bottom:18px;
}
.cap-card h3{
  font-size:22px;
  font-weight:600;
  margin-bottom:12px;
}
.cap-list{margin-top:16px;}
.cap-list li{
  position:relative;
  padding-left:24px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  margin-bottom:8px;
}
.cap-list li:last-child{margin-bottom:0;}
.cap-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:0;
  font-size:11px;
  color:var(--cyan);
}
.cap-num{
  position:absolute;
  right:24px;top:24px;
  font-size:13px;
  font-weight:800;
  letter-spacing:1px;
  color:rgba(120,200,255,.28);
  font-variant-numeric:tabular-nums;
}

/* ---------- 对比表 ---------- */
.cmp-shell{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
}
.cmp-scroll{overflow-x:auto;padding:8px;}
.cmp-table{
  width:100%;
  min-width:700px;
  border-collapse:separate;
  border-spacing:0;
  font-size:15px;
  margin:0;
}
.cmp-table th,
.cmp-table td{
  padding:18px 20px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px dashed var(--line);
}
.cmp-table thead th{
  font-size:14px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--text-3);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp-table thead th .th-name{
  display:block;
  color:var(--text);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  margin-bottom:2px;
}
.cmp-table tbody td:first-child{
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.cmp-table tbody td{
  color:var(--text-2);
}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table .col-hot{
  background:rgba(33,212,232,.07);
  box-shadow:inset 0 0 0 1px rgba(33,212,232,.28);
  color:#CDEFF6;
}
.cmp-table thead .col-hot .th-name{color:#9BEDF6;}
.cmp-note{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.cmp-note i{color:var(--cyan);}

/* ---------- 时间线 ---------- */
.timeline{margin-top:8px;}
.tl-item{
  position:relative;
  padding-left:56px;
  padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:16px;top:38px;bottom:0;
  width:1px;
  background:linear-gradient(180deg,rgba(33,212,232,.5),rgba(120,200,255,.06));
}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;
  left:0;top:0;
  width:34px;height:34px;
  border-radius:999px;
  display:grid;place-items:center;
  font-size:13px;
  font-weight:800;
  color:#04121A;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#21D4E8,#6C7CFF);
  box-shadow:0 8px 20px rgba(33,212,232,.26);
}
.tl-card{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  padding:22px 24px;
  transition:border-color 180ms var(--ease), transform 180ms var(--ease);
}
.tl-card:hover{border-color:var(--line-strong);transform:translateX(4px);}
.tl-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.tl-card p{color:var(--text-2);font-size:15px;}
.tl-meta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  font-size:13px;
  color:var(--text-3);
}
.tl-meta i{color:var(--cyan);}
.timeline-layout{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:start;
}
.side-card{
  position:sticky;
  top:96px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
}
.side-card .cover{
  aspect-ratio:16/10;
  width:100%;
  object-fit:cover;
  border-bottom:1px solid var(--line);
  background:linear-gradient(140deg,#0E2038,#0A1626);
}
.side-card .side-body{padding:24px;}
.side-card h3{font-size:19px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--text-2);}
.side-body .side-list{margin-top:16px;}
.side-body .side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  padding:9px 0;
  border-top:1px dashed var(--line);
}
.side-body .side-list li:first-child{border-top:none;}
.side-body .side-list i{color:var(--cyan);font-size:13px;margin-top:6px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:38px 42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  border:1px solid rgba(33,212,232,.3);
  background:linear-gradient(135deg,rgba(33,212,232,.12),rgba(108,124,255,.09));
  box-shadow:var(--shadow-glass);
}
.cta-band::after{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-110px;top:-140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(33,212,232,.22),transparent 70%);
  pointer-events:none;
}
.cta-band h2{
  font-size:28px;
  font-weight:700;
  margin-bottom:8px;
}
.cta-band p{
  color:var(--text-2);
  font-size:15px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  position:relative;
  z-index:2;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#050B14;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-about{
  color:var(--text-2);
  font-size:14px;
  line-height:1.85;
  margin-bottom:16px;
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  letter-spacing:.6px;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul li{
  font-size:14px;
  color:var(--text-2);
  margin-bottom:11px;
  line-height:1.7;
}
.footer-col ul li a{color:var(--text-2);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(4,9,16,.7);
  backdrop-filter:blur(3px);
  z-index:1050;
  opacity:0;
  pointer-events:none;
  transition:opacity 220ms var(--ease);
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:84vw;
  max-width:360px;
  height:100vh;
  z-index:1060;
  background:#0A1524;
  border-left:1px solid var(--line);
  box-shadow:-20px 0 60px rgba(0,0,0,.6);
  transform:translateX(100%);
  transition:transform 220ms var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;padding:18px 0;}
.drawer-nav a{
  padding:13px 4px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.drawer-nav a.active{color:#9BEDF6;font-weight:600;}
.drawer-nav a:hover{color:var(--cyan);}
.drawer-extra{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.drawer-note{font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .page-banner h1{font-size:42px;}
  .banner-grid{gap:32px;}
  .section{padding:74px 0;}
  .section-head h2{font-size:30px;}
  .timeline-layout{gap:32px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-actions .status-chip,.nav-actions .countdown-chip{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-wrap{height:64px;gap:16px;}
  .brand-text{font-size:16px;}
  .nav-actions{margin-left:auto;}
  .page-banner{padding:40px 0 54px;}
  .page-banner h1{font-size:34px;}
  .banner-grid{grid-template-columns:1fr;gap:28px;}
  .banner-visual{max-width:520px;aspect-ratio:16/9;}
  .cap-grid{grid-template-columns:1fr;}
  .timeline-layout{grid-template-columns:1fr;}
  .side-card{position:static;max-width:560px;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .banner-sub{font-size:16px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .page-banner h1{font-size:30px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:25px;}
  .cap-card{padding:24px 20px;}
  .cap-card h3{font-size:19px;}
  .cap-num{font-size:12px;right:20px;top:20px;}
  .tl-item{padding-left:46px;}
  .tl-num{width:30px;height:30px;font-size:12px;}
  .tl-item::before{left:14px;top:34px;}
  .tl-card{padding:18px 18px;}
  .tl-card h3{font-size:17px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn-brand,.btn-ghost,.btn-warm{min-height:44px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
}
@media (max-width:575.98px){
  .page-banner h1{font-size:27px;}
  .banner-sub{font-size:15px;}
  .section-head h2{font-size:22px;}
  .cap-list li{font-size:14px;}
  .cmp-table th,.cmp-table td{padding:14px 16px;font-size:14px;}
  .crumbs{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category3 */
:root{
  --bs-primary:#21D4E8;
  --bs-body-bg:#070E18;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(120,200,255,.14);
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-sm:12px;
  --bs-link-color:#21D4E8;
  --bs-link-hover-color:#6C7CFF;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bg:#070E18;
  --bg-alt:#0B1524;
  --glass:rgba(255,255,255,.06);
  --glass-deep:rgba(16,28,46,.72);
  --line:rgba(120,200,255,.14);
  --line-strong:rgba(33,212,232,.45);
  --line-promo:rgba(255,166,48,.45);
  --cyan:#21D4E8;
  --violet:#6C7CFF;
  --orange:#FFA630;
  --text:#EAF2FF;
  --muted:#9FB2CB;
  --dim:#6B7E96;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --pill:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-glow:0 8px 28px rgba(33,212,232,.28);
  --shadow-glow-hover:0 14px 36px rgba(33,212,232,.38);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  padding-top:var(--header-h);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease);}
a:hover{color:#7BEBF7;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(33,212,232,.28);color:#fff;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ---------- 通用元素 ---------- */
.section{padding:88px 0;position:relative;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:34px;font-weight:700;line-height:1.35;letter-spacing:.4px;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.2px;
  color:var(--cyan);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);display:block;}

.pill{
  display:inline-flex;align-items:center;gap:7px;
  height:24px;padding:0 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap;
}
.pill-cyan{background:rgba(33,212,232,.12);color:#7BEAF6;border:1px solid var(--line-strong);}
.pill-orange{background:var(--orange);color:#20160A;border:1px solid var(--orange);}
.pill-ghost{background:var(--glass);color:var(--muted);border:1px solid var(--line);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),opacity var(--ease);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.btn-brand{
  background:linear-gradient(100deg,#21D4E8 0%,#4FB6F2 52%,#6C7CFF 100%);
  color:#04121C;box-shadow:var(--shadow-glow);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow-hover);color:#04121C;}
.btn-promo{
  background:var(--orange);color:#20160A;
  box-shadow:0 8px 26px rgba(255,166,48,.32);
}
.btn-promo:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,166,48,.42);color:#20160A;}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(33,212,232,.08);color:var(--cyan);transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:var(--header-h);
  background:rgba(7,14,24,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:#070E18;
  border-bottom-color:rgba(33,212,232,.28);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  border:1.5px solid var(--cyan);
  background:radial-gradient(circle at 30% 28%,rgba(33,212,232,.55),rgba(33,212,232,.06) 68%);
  box-shadow:0 0 16px rgba(33,212,232,.35);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;
  border:1.5px solid rgba(33,212,232,.7);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.5px;line-height:1;white-space:nowrap;}
.brand-sub{
  font-size:11px;font-weight:600;color:var(--cyan);
  margin-left:6px;letter-spacing:1px;vertical-align:2px;
  border:1px solid var(--line-strong);border-radius:var(--pill);padding:2px 7px;
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;color:var(--muted);font-size:15px;font-weight:500;
  padding:6px 0;transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--cyan);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#9EEEFA;font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 12px;border-radius:var(--pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);white-space:nowrap;
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(33,212,232,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,212,232,.55);}
  70%{box-shadow:0 0 0 8px rgba(33,212,232,0);}
  100%{box-shadow:0 0 0 0 rgba(33,212,232,0);}
}
.countdown-chip{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:var(--pill);
  border:1px solid var(--line-promo);
  background:rgba(255,166,48,.08);
  font-size:12.5px;color:#FFCF95;white-space:nowrap;
}
.countdown-chip b{
  font-variant-numeric:tabular-nums;font-weight:700;color:var(--orange);letter-spacing:.5px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  font-size:17px;cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(33,212,232,.12);border-color:var(--line-strong);}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

/* 移动抽屉 */
.drawer-scrim{
  position:fixed;inset:0;background:rgba(4,9,16,.65);z-index:1040;
  opacity:0;visibility:hidden;transition:opacity 220ms ease,visibility 220ms ease;
}
.drawer-scrim.show{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:#0B1524;border-left:1px solid var(--line);
  z-index:1050;padding:24px 22px;
  transform:translateX(100%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:var(--glass);
  border:1px solid var(--line);color:var(--text);cursor:pointer;
}
.drawer-close:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:var(--r-sm);color:var(--muted);
  font-size:15px;border:1px solid transparent;transition:all var(--ease);
}
.drawer-links a:hover,.drawer-links a.active{
  color:var(--text);background:var(--glass);border-color:var(--line-strong);
}
.drawer-meta{display:flex;flex-direction:column;gap:10px;margin-top:auto;}
.drawer-meta .pill{width:fit-content;}

/* ---------- 页面 Banner ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background-image:linear-gradient(180deg,rgba(7,14,24,.82),rgba(7,14,24,.93)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 12% 18%,rgba(33,212,232,.16),transparent 42%),
    radial-gradient(circle at 88% 76%,rgba(108,124,255,.14),transparent 46%);
}
.crumbs{
  position:relative;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--dim);margin-bottom:26px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--cyan);}
.crumbs .cur{color:var(--text);}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero-grid h1{
  font-size:46px;font-weight:800;line-height:1.24;letter-spacing:.6px;
  margin:16px 0 18px;
}
.hero-grid h1 .accent{
  background:linear-gradient(96deg,#21D4E8,#6C7CFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:460px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:26px;align-items:stretch;}
.hero-metrics li{position:relative;padding-right:26px;}
.hero-metrics li:not(:last-child)::after{
  content:"";position:absolute;right:0;top:6px;bottom:6px;width:1px;background:var(--line);
}
.hero-metrics .num{
  display:block;font-size:24px;font-weight:800;color:#8DF0FA;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-metrics .lbl{font-size:13px;color:var(--dim);}

.hero-card{
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:26px;
}
.hero-card .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.hero-card h2{font-size:17px;font-weight:700;letter-spacing:.4px;}
.cd-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px;}
.cd-block{
  background:rgba(255,166,48,.08);
  border:1px solid var(--line-promo);
  border-radius:var(--r-sm);
  padding:12px 6px;text-align:center;
}
.cd-block b{
  display:block;font-size:26px;font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.cd-block span{font-size:11.5px;color:#C9A472;letter-spacing:1px;}
.progress-line{height:6px;border-radius:var(--pill);background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:10px;}
.progress-line i{display:block;height:100%;width:62%;border-radius:var(--pill);background:linear-gradient(90deg,#FFA630,#FFC978);}
.mini-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding:9px 0;border-bottom:1px dashed rgba(120,200,255,.14);}
.mini-row:last-child{border-bottom:0;padding-bottom:0;}
.mini-row b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:600;}

/* ---------- 优惠阶梯 ---------- */
.tier-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;
}
.tier-card{
  position:relative;
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:26px 22px 24px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.tier-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.tier-card.is-active{border-color:var(--line-promo);box-shadow:0 20px 60px rgba(255,166,48,.16),inset 0 1px 0 rgba(255,255,255,.08);}
.tier-no{
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--dim);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.tier-card.is-active .tier-no{color:var(--orange);}
.tier-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.tier-card .tier-desc{font-size:14px;color:var(--muted);min-height:50px;margin-bottom:16px;}
.tier-list{display:flex;flex-direction:column;gap:9px;}
.tier-list li{display:flex;gap:9px;font-size:14px;color:var(--muted);line-height:1.65;}
.tier-list li i{color:var(--cyan);font-size:12px;margin-top:6px;flex-shrink:0;}
.tier-card.is-active .tier-list li i{color:var(--orange);}
.tier-badge{position:absolute;top:-11px;right:18px;}

/* ---------- 套餐对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:30px 26px 26px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.plan-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.plan-card.recommend{
  border-color:var(--line-strong);
  box-shadow:0 24px 70px rgba(33,212,232,.18),inset 0 1px 0 rgba(255,255,255,.1);
}
.plan-flag{
  position:absolute;top:-13px;left:26px;
  background:linear-gradient(100deg,#21D4E8,#6C7CFF);
  color:#04121C;font-size:12px;font-weight:700;letter-spacing:1px;
  padding:4px 14px;border-radius:var(--pill);
  box-shadow:0 6px 20px rgba(33,212,232,.35);
}
.plan-card h3{font-size:21px;font-weight:700;margin-bottom:6px;}
.plan-tag{font-size:13px;color:var(--dim);margin-bottom:20px;}
.plan-figure{display:flex;align-items:baseline;gap:8px;margin-bottom:6px;}
.plan-figure b{
  font-size:38px;font-weight:800;line-height:1;letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(96deg,#8DF0FA,#6C7CFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.plan-figure span{font-size:13px;color:var(--muted);}
.plan-note{font-size:12.5px;color:var(--dim);margin-bottom:22px;}
.feature-list{display:flex;flex-direction:column;margin-bottom:24px;}
.feature-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--muted);
  border-bottom:1px dashed rgba(120,200,255,.14);
}
.feature-list li:last-child{border-bottom:0;}
.feature-list li i{font-size:12px;margin-top:6px;flex-shrink:0;color:var(--cyan);}
.feature-list li.off{color:var(--dim);}
.feature-list li.off i{color:#3E5069;}
.feature-list li span b{color:var(--text);font-weight:600;}
.plan-card .btn{margin-top:auto;}

/* ---------- 限时入口条 ---------- */
.flash-wrap{padding:0 0 88px;}
.flash-bar{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:26px 30px;border-radius:var(--r-lg);
  background:
    radial-gradient(circle at 18% 50%,rgba(255,166,48,.13),transparent 58%),
    rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line-promo);
  border-bottom:1px solid var(--line-promo);
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.flash-left h2{font-size:23px;font-weight:700;margin-bottom:8px;}
.flash-left p{font-size:14px;color:var(--muted);}
.flash-cd{display:flex;align-items:center;gap:8px;margin-top:14px;}
.flash-cd b{
  display:inline-block;min-width:42px;text-align:center;
  padding:5px 8px;border-radius:10px;
  background:rgba(255,166,48,.12);border:1px solid var(--line-promo);
  color:var(--orange);font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;
}
.flash-cd span{font-size:13px;color:#C9A472;}
.flash-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex-shrink:0;}
.flash-right .tip{font-size:12.5px;color:var(--dim);}

/* ---------- 咨询表单 ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:30px;align-items:stretch;}
.consult-side{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  min-height:280px;
  background:linear-gradient(180deg,rgba(7,14,24,.35),rgba(7,14,24,.88)),url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
}
.consult-side-inner{
  position:absolute;inset:auto 0 0 0;padding:26px;
  background:linear-gradient(180deg,rgba(7,14,24,0),rgba(7,14,24,.92) 55%);
}
.consult-side-inner h3{font-size:19px;font-weight:700;margin-bottom:12px;}
.contact-lines{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--muted);}
.contact-lines li{display:flex;gap:10px;align-items:flex-start;}
.contact-lines i{color:var(--cyan);font-size:13px;margin-top:7px;}
.form-card{
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:32px 30px;
}
.form-card h2{font-size:24px;font-weight:700;margin-bottom:8px;}
.form-card .form-lead{font-size:14px;color:var(--muted);margin-bottom:24px;}
.form-label{font-size:13.5px;color:var(--muted);font-weight:500;margin-bottom:7px;}
.req{color:var(--orange);margin-left:2px;}
.form-control,.form-select{
  background:rgba(7,14,24,.72);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text);
  font-size:15px;
  min-height:46px;
  padding:10px 14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.form-control::placeholder{color:var(--dim);}
.form-control:focus,.form-select:focus{
  background:rgba(7,14,24,.9);
  border-color:var(--cyan);
  color:var(--text);
  box-shadow:0 0 0 3px rgba(33,212,232,.16);
  outline:none;
}
.form-select option{background:#101C2E;color:var(--text);}
.form-note{font-size:12.5px;color:var(--dim);margin-top:14px;}
.form-tip{
  margin-top:18px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(33,212,232,.1);border:1px solid var(--line-strong);
  color:#9EEEFA;font-size:14px;display:none;
}
.form-tip.show{display:block;}
.form-actions{display:flex;justify-content:flex-end;margin-top:22px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#060C15;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:16px;max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--dim);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-grid h1{font-size:40px;}
  .nav-links{gap:20px;}
  .status-chip{display:none;}
  .tier-track{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .consult-grid{grid-template-columns:1fr;}
  .consult-side{min-height:230px;}
}
@media (max-width:991.98px){
  :root{--header-h:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-brand{display:none;}
  .section{padding:64px 0;}
  .section-head h2{font-size:28px;}
  .hero-grid h1{font-size:34px;}
  .page-hero{padding:44px 0 56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .flash-bar{flex-direction:column;align-items:flex-start;text-align:left;gap:20px;}
  .flash-right{align-items:flex-start;}
  .flash-wrap{padding-bottom:64px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .hero-grid h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:18px;}
  .hero-metrics li{padding-right:18px;}
  .hero-metrics .num{font-size:20px;}
  .tier-track{grid-template-columns:1fr;gap:18px;}
  .plan-card{padding:26px 20px 22px;}
  .form-card{padding:24px 20px;}
  .form-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .countdown-chip{display:none;}
  .cd-block b{font-size:22px;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .brand-text{font-size:15px;}
  .brand-sub{display:none;}
  .hero-grid h1{font-size:27px;}
  .flash-bar{padding:22px 18px;}
  .plan-figure b{font-size:32px;}
  .crumbs{font-size:12px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
  --bg:#070E18;
  --bg-2:#0B1524;
  --surface:#101C2E;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,200,255,.14);
  --line-cyan:rgba(33,212,232,.45);
  --line-warm:rgba(255,166,48,.45);
  --cyan:#21D4E8;
  --cyan-soft:rgba(33,212,232,.10);
  --orange:#FFA630;
  --violet:#6C7CFF;
  --text:#EAF2FF;
  --text-2:#9FB2CB;
  --text-3:#6B7E96;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-glass:0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-glow:0 8px 28px rgba(33,212,232,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:#070E18;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(120,200,255,.14);
  --bs-border-radius:14px;
  --bs-primary:#21D4E8;
  --bs-link-color:#21D4E8;
  --bs-link-hover-color:#6C7CFF;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--violet)}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.32}
ul{list-style:none;margin:0;padding:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(33,212,232,.28);color:#fff}

.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (max-width:575.98px){.container{padding-left:18px;padding-right:18px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(7,14,24,.55);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  background:#070E18;
  border-bottom-color:rgba(33,212,232,.30);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(33,212,232,.95),rgba(108,124,255,.85));
  box-shadow:0 0 18px rgba(33,212,232,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:4px;background:#070E18;opacity:.85;
}
.brand-text{color:var(--text);font-size:18px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.brand-sub{
  font-size:11px;font-weight:600;color:var(--cyan);margin-left:5px;padding:1px 7px;
  border:1px solid rgba(33,212,232,.42);border-radius:999px;vertical-align:2px;letter-spacing:.5px;
}
.nav-links{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:center}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--text-2);padding:8px 0;text-decoration:none;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--cyan);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);font-size:12.5px;white-space:nowrap;
}
.status-chip .dot{
  width:6px;height:6px;border-radius:50%;background:#38E8A6;
  box-shadow:0 0 0 0 rgba(56,232,166,.55);animation:pulse 2s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(56,232,166,.55)}
  70%{box-shadow:0 0 0 8px rgba(56,232,166,0)}
  100%{box-shadow:0 0 0 0 rgba(56,232,166,0)}
}
.countdown-chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;border-radius:999px;
  border:1px solid var(--line-warm);color:var(--orange);font-size:12.5px;white-space:nowrap;
  background:rgba(255,166,48,.06);font-variant-numeric:tabular-nums;
}
.countdown-chip b{font-weight:700;letter-spacing:.5px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);font-size:16px;align-items:center;justify-content:center;
  transition:var(--t);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-cyan);color:var(--cyan)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;
  padding:12px 24px;min-height:44px;cursor:pointer;transition:var(--t);
  text-decoration:none;line-height:1.3;
}
.btn-brand{
  background:linear-gradient(135deg,#21D4E8,#6C7CFF);color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-brand:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 12px 34px rgba(33,212,232,.38)}
.btn-brand:active{transform:translateY(0)}
.btn-promo{
  background:var(--orange);color:#1A1004;box-shadow:0 8px 24px rgba(255,166,48,.26);
}
.btn-promo:hover{color:#1A1004;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 30px rgba(255,166,48,.34)}
.btn-ghost{
  background:transparent;border-color:var(--line-cyan);color:var(--text);
}
.btn-ghost:hover{background:rgba(33,212,232,.10);color:var(--text);border-color:var(--cyan);transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:13.5px;min-height:36px}
.btn:disabled,.btn.disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--cyan);
}
.link-arrow i{transition:transform var(--t)}
.link-arrow:hover i{transform:translateX(4px)}

/* 移动抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(4,9,16,.66);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms;
}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:1060;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 220ms var(--ease);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
body.drawer-open{overflow:hidden}
body.drawer-open .mobile-drawer{transform:translateX(0)}
body.drawer-open .drawer-backdrop{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--glass);
  color:var(--text);font-size:18px;cursor:pointer;transition:var(--t);
}
.drawer-close:hover{border-color:var(--line-cyan);color:var(--cyan)}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;padding:13px 4px;
  color:var(--text-2);font-size:15px;border-bottom:1px solid var(--line);text-decoration:none;
}
.drawer-links a i{font-size:12px;color:var(--text-3)}
.drawer-links a.active{color:var(--cyan);font-weight:600}
.drawer-links a:hover{color:var(--text)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-foot p{font-size:13px;color:var(--text-3);margin:0}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(72px + 60px) 0 72px;
  background:#080F1B;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.85);
}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 22%,rgba(33,212,232,.18),transparent 55%),
    radial-gradient(circle at 82% 8%,rgba(108,124,255,.16),transparent 52%),
    linear-gradient(180deg,rgba(7,14,24,.74),rgba(7,14,24,.93) 62%,#070E18 100%);
}
.page-hero .hero-grid-lines{
  position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(120,200,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,200,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 78%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);margin-bottom:26px;
}
.breadcrumb-nav a{color:var(--text-3);text-decoration:none}
.breadcrumb-nav a:hover{color:var(--cyan)}
.breadcrumb-nav .sep{color:rgba(120,200,255,.30)}
.breadcrumb-nav .current{color:var(--text)}
.hero-two-col{display:grid;grid-template-columns:1.32fr .92fr;gap:48px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.pill-cyan{background:var(--cyan-soft);border:1px solid var(--line-cyan);color:var(--cyan)}
.pill-warm{background:rgba(255,166,48,.10);border:1px solid var(--line-warm);color:var(--orange)}
.pill-glass{background:var(--glass);border:1px solid var(--line);color:var(--text-2)}
.page-hero h1{
  font-size:48px;font-weight:800;letter-spacing:-.5px;line-height:1.24;margin:20px 0 16px;
}
.page-hero h1 .accent{
  background:linear-gradient(135deg,#21D4E8,#6C7CFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:var(--text-2);max-width:640px;margin:0 0 26px}

/* 装饰性搜索框 */
.fake-search{
  display:flex;align-items:center;gap:12px;
  background:rgba(16,28,46,.72);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:8px 8px 8px 16px;max-width:520px;transition:var(--t);
}
.fake-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(33,212,232,.14)}
.fake-search i{color:var(--text-3);font-size:15px}
.fake-search input{
  flex:1 1 auto;background:transparent;border:0;color:var(--text);font-size:14.5px;
  min-width:0;padding:8px 0;font-family:inherit;
}
.fake-search input::placeholder{color:var(--text-3)}
.fake-search input:focus{outline:none}
.fake-search .btn{flex:0 0 auto}
.quick-jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.quick-jump a{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);font-size:13px;
  transition:var(--t);text-decoration:none;
}
.quick-jump a:hover{border-color:var(--line-cyan);color:var(--cyan);background:rgba(33,212,232,.08);transform:translateY(-2px)}

/* Hero 右侧卡 */
.hero-side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:18px;overflow:hidden;
}
.hero-side-card .cover{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);
  border:1px solid var(--line);background:linear-gradient(135deg,#0E1B2C,#132540);
}
.hero-side-card .meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.hero-side-card .meta-row .label{font-size:13px;color:var(--text-3)}
.hero-side-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.hero-side-stats .cell{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 10px;text-align:center;
}
.hero-side-stats b{
  display:block;font-size:22px;font-weight:800;color:var(--cyan);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-side-stats span{font-size:12px;color:var(--text-3)}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative}
.section-alt{background:var(--bg-2)}
.section-head{margin-bottom:44px;max-width:760px}
.section-head h2{font-size:34px;font-weight:700;letter-spacing:-.3px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;margin-bottom:0}
.section-head .pill{margin-bottom:14px}

/* FAQ 分组 */
.faq-groups{display:flex;flex-direction:column;gap:34px}
.faq-group{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-glass);padding:30px 30px 12px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color var(--t);
}
.faq-group:hover{border-color:rgba(33,212,232,.28)}
.faq-group-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.faq-group-head .icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-cyan);color:var(--cyan);background:rgba(33,212,232,.07);font-size:16px;
}
.faq-group-head h2{font-size:23px;font-weight:700}
.faq-group-head .count{font-size:12.5px;color:var(--text-3);margin-left:auto;white-space:nowrap}

.faq-item{
  position:relative;border-bottom:1px solid var(--line);padding:0 0 0 20px;
}
.faq-item:last-child{border-bottom:0}
.faq-item::before{
  content:"";position:absolute;left:0;top:24px;width:2px;height:18px;border-radius:2px;
  background:var(--cyan);transition:height var(--t),opacity var(--t);
}
.faq-item[open]::before{height:34px}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--text);transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cyan)}
.faq-item summary .faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--cyan);
  transition:transform var(--t),border-color var(--t);margin-top:5px;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);border-color:var(--line-cyan)}
.faq-answer{padding:0 40px 24px 0;color:var(--text-2);font-size:15px;line-height:1.85;margin:0}
.faq-answer strong{color:var(--text);font-weight:600}

/* 联系卡片 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-glass);padding:32px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:var(--t);display:flex;flex-direction:column;gap:18px;
}
.contact-card:hover{transform:translateY(-4px);border-color:var(--line-cyan)}
.contact-card h3{font-size:21px;font-weight:700;display:flex;align-items:center;gap:10px}
.contact-card h3 i{color:var(--cyan);font-size:17px}
.contact-list{display:flex;flex-direction:column;gap:0;margin:0}
.contact-list li{
  display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(120,200,255,.14);
  font-size:14.5px;color:var(--text-2);
}
.contact-list li:last-child{border-bottom:0}
.contact-list li i{color:var(--cyan);font-size:13px;margin-top:7px;flex:0 0 auto}
.contact-list li b{color:var(--text);font-weight:600;display:block;font-size:14.5px}
.contact-card .btn{align-self:flex-start;margin-top:4px}
.hours-table{width:100%;border-collapse:collapse;font-size:14.5px}
.hours-table tr{border-bottom:1px dashed rgba(120,200,255,.14)}
.hours-table tr:last-child{border-bottom:0}
.hours-table th,.hours-table td{padding:13px 0;text-align:left;font-weight:400;color:var(--text-2);vertical-align:top}
.hours-table th{color:var(--text);font-weight:600;width:42%}
.hours-table td b{color:var(--cyan);font-variant-numeric:tabular-nums}
.hours-table tr.peak td b{color:var(--orange)}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(255,166,48,.28);
  background:linear-gradient(120deg,rgba(255,166,48,.10),rgba(33,212,232,.07) 55%,rgba(108,124,255,.09));
  box-shadow:var(--shadow-glass);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,166,48,.20),transparent 66%);pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:1}
.cta-band h2{font-size:28px;font-weight:700;margin-bottom:10px}
.cta-band p{margin:0;color:var(--text-2);font-size:15px}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{
  background:#050B13;border-top:1px solid var(--line);padding:68px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.85;max-width:360px;margin-bottom:18px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li{font-size:14px;color:var(--text-2);line-height:1.6}
.footer-col a{color:var(--text-2);text-decoration:none}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 26px;font-size:13px;color:var(--text-3);
}

/* 响应式 */
@media (max-width:1199.98px){
  .nav-links{gap:18px}
  .status-chip{display:none}
  .page-hero h1{font-size:42px}
  .hero-two-col{gap:34px}
  .section{padding:72px 0}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{height:64px;gap:12px}
  .brand-text{font-size:16.5px}
  .countdown-chip{display:none}
  .page-hero{padding:calc(64px + 44px) 0 56px}
  .hero-two-col{grid-template-columns:1fr;gap:32px}
  .page-hero h1{font-size:34px;margin-top:16px}
  .hero-lead{font-size:15.5px}
  .section{padding:64px 0}
  .section-head h2{font-size:27px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .cta-band h2{font-size:24px}
  .faq-group{padding:24px 22px 8px}
}
@media (max-width:767.98px){
  .page-hero h1{font-size:30px;letter-spacing:-.2px}
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:24px}
  .faq-item summary{font-size:16px;padding:18px 0}
  .faq-answer{font-size:14.5px;padding-right:8px}
  .faq-group-head h2{font-size:19px}
  .faq-group-head .count{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-side-stats b{font-size:19px}
}
@media (max-width:575.98px){
  .page-hero h1{font-size:27px}
  .fake-search{flex-wrap:wrap;padding:12px 14px}
  .fake-search .btn{width:100%;margin-top:6px}
  .btn{padding:11px 20px;font-size:14.5px}
  .cta-band{padding:26px 20px}
  .cta-band h2{font-size:22px}
  .contact-card{padding:24px 20px}
  .brand-text{font-size:15px}
  .brand-sub{display:none}
  .quick-jump a{font-size:12.5px;height:30px;padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}