/* roulang page: index */
:root{
  --c-bg:#061018;
  --c-bg-soft:#0A1A24;
  --c-surface:#0D2230;
  --c-line:#1B3341;
  --c-primary:#35E0C9;
  --c-primary-soft:rgba(53,224,201,.12);
  --c-accent:#4C8DFF;
  --c-warm:#FFB673;
  --c-text:#E8F1F5;
  --c-text-dim:#9FB3C0;
  --c-text-weak:#6B8494;
  --border-card:rgba(53,224,201,.16);
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.35);
  --shadow-hover:0 18px 48px rgba(0,0,0,.45);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background 300ms ease,border-color 300ms ease,backdrop-filter 300ms ease;
}
.site-header.is-scrolled{
  background:rgba(6,16,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-main{
  font-size:20px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--c-text);
}
.brand-divider{
  width:1px;
  height:16px;
  background:var(--c-line);
  display:inline-block;
}
.brand-sub{
  font-size:9px;
  letter-spacing:.14em;
  color:var(--c-text-weak);
}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 12px;
  font-size:14px;
  color:var(--c-text-dim);
  border-radius:999px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-text);background:rgba(53,224,201,.10);}
.nav-link.is-active{color:var(--c-text);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:transparent;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:1.5px;
  background:var(--c-text);
  border-radius:2px;
  transition:transform 240ms ease,opacity 240ms ease;
}
.nav-toggle span:nth-child(1){top:16px;}
.nav-toggle span:nth-child(2){top:21.5px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

/* mobile drawer */
.mobile-panel{
  position:fixed;
  inset:76px 0 0 0;
  background:rgba(4,12,18,.98);
  backdrop-filter:blur(8px);
  z-index:99;
  padding:16px 20px 40px;
  display:none;
  overflow-y:auto;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:20px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a.is-active{color:var(--c-primary);}
.mobile-panel .mobile-cta{margin-top:24px;justify-content:center;border-bottom:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 28px;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#35E0C9 0%,#2BB8D6 100%);
  color:#04171C;
  font-weight:600;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px #35E0C9,0 8px 28px rgba(53,224,201,.35);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(232,241,245,.24);
  color:var(--c-text);
}
.btn-ghost:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:rgba(53,224,201,.08);
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:0;
  border:none;
  background:none;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;}
.btn-text .arrow{transition:transform var(--ease);display:inline-block;}
.btn-text:hover .arrow{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  line-height:1.4;
  padding:4px 10px;
  border-radius:999px;
  color:var(--c-primary);
  background:rgba(53,224,201,.12);
  white-space:nowrap;
}
.badge-warm{
  color:var(--c-warm);
  background:rgba(255,182,115,.14);
}
.badge-line{
  color:var(--c-text-dim);
  background:transparent;
  border:1px solid var(--c-line);
}
.dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 3px rgba(53,224,201,.14);
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:156px 0 96px;
  overflow:hidden;
  background-color:#061018;
  background-image:
    linear-gradient(90deg,#061018 0%,rgba(6,16,24,.92) 26%,rgba(6,16,24,.45) 52%,rgba(6,16,24,.9) 78%,#061018 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:120px;
  background:linear-gradient(180deg,rgba(6,16,24,0) 0%,#061018 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.18fr .82fr;
  gap:56px;
  align-items:start;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-dim);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:24px;
}
.hero h1{
  font-size:52px;
  line-height:1.18;
  font-weight:600;
  letter-spacing:-.01em;
  margin:0 0 20px;
  max-width:16em;
}
.hero h1 .shine{
  color:var(--c-primary);
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--c-text-dim);
  max-width:620px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  padding-top:22px;
  border-top:1px solid var(--c-line);
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-dim);
}
.hero-points .dot{width:5px;height:5px;}

.hero-card{
  position:relative;
  border-radius:var(--radius-card);
  border:1px solid rgba(53,224,201,.18);
  background:rgba(13,34,48,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  padding:26px 26px 8px;
}
.hero-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:18px;
}
.hero-card-head h2{
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
}
.metric-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  padding:16px 0;
  border-top:1px solid var(--c-line);
}
.metric-row:first-of-type{border-top:none;}
.metric-label{
  font-size:13px;
  color:var(--c-text-weak);
  line-height:1.6;
}
.metric-value{
  font-size:24px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.metric-value small{font-size:13px;color:var(--c-text-dim);font-weight:400;margin-left:4px;}
.hero-card-foot{
  border-top:1px solid var(--c-line);
  padding:14px 0;
  font-size:13px;
  color:var(--c-text-weak);
}

/* ---------- section shell ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{margin-bottom:44px;}
.section-head h2{
  position:relative;
  font-size:32px;
  line-height:1.28;
  font-weight:600;
  padding-top:36px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:40px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--c-text-dim);
  max-width:660px;
}
.head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

/* ---------- story ---------- */
.story{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.story-quote{
  border-left:2px solid var(--c-primary);
  padding-left:18px;
  margin-top:26px;
  font-size:15px;
  color:var(--c-text-dim);
}
.story p{color:var(--c-text-dim);margin-bottom:18px;}
.story p:last-child{margin-bottom:0;}
.mini-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.mini-card{
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:22px;
  background:rgba(10,26,36,.6);
  transition:border-color var(--ease),transform var(--ease);
}
.mini-card:hover{border-color:rgba(53,224,201,.5);transform:translateY(-2px);}
.mini-card .ico{
  width:34px;height:34px;
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  margin-bottom:14px;
}
.mini-card .ico svg{width:18px;height:18px;}
.mini-card h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.mini-card p{font-size:13px;line-height:1.7;color:var(--c-text-weak);margin:0;}

/* ---------- capability ---------- */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.cap-big{
  grid-column:span 7;
  position:relative;
  min-height:320px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--border-card);
  display:flex;
  align-items:flex-end;
  padding:30px;
  background:#0A1A24;
  transition:transform 400ms ease,border-color 400ms ease,box-shadow 400ms ease;
}
.cap-big img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 400ms ease;
}
.cap-big .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,16,24,.15) 0%,rgba(6,16,24,.82) 62%,rgba(6,16,24,.96) 100%);
}
.cap-big .cap-body{position:relative;z-index:2;max-width:420px;}
.cap-big h3{font-size:24px;font-weight:600;margin:12px 0 10px;}
.cap-big p{font-size:14px;color:var(--c-text-dim);margin-bottom:16px;}
.cap-big:hover{transform:translateY(-4px);border-color:rgba(53,224,201,.5);box-shadow:var(--shadow-hover);}
.cap-big:hover img{transform:scale(1.03);}
.cap-big:hover h3{color:var(--c-primary);}
.cap-small{
  grid-column:span 5;
  border-radius:var(--radius-card);
  border:1px solid var(--border-card);
  background:rgba(13,34,48,.5);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:24px;
  min-height:152px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
  transition:transform 400ms ease,border-color 400ms ease,box-shadow 400ms ease;
}
.cap-small:hover{transform:translateY(-4px);border-color:rgba(53,224,201,.5);box-shadow:var(--shadow-hover);}
.cap-small:hover h3{color:var(--c-primary);}
.cap-small .ico{
  width:36px;height:36px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(76,141,255,.12);
  color:var(--c-accent);
}
.cap-small .ico svg{width:18px;height:18px;}
.cap-small h3{font-size:19px;font-weight:600;transition:color var(--ease);}
.cap-small p{font-size:13px;color:var(--c-text-weak);line-height:1.7;margin:0;}

/* ---------- picks ---------- */
.picks{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.pick-card{
  display:block;
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#0A1A24;
  transition:transform 400ms ease,border-color 400ms ease,box-shadow 400ms ease;
}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(53,224,201,.5);box-shadow:var(--shadow-hover);}
.pick-card:hover h3{color:var(--c-primary);}
.pick-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#0A1A24;
}
.pick-media img{width:100%;height:100%;transition:transform 400ms ease;}
.pick-card:hover .pick-media img{transform:scale(1.03);}
.pick-media .badge{position:absolute;top:12px;left:12px;background:rgba(6,16,24,.78);border:1px solid rgba(53,224,201,.28);}
.pick-body{padding:20px 20px 22px;}
.pick-body .pick-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-text-weak);
  margin-bottom:10px;
}
.pick-body h3{font-size:19px;line-height:1.45;font-weight:600;margin-bottom:8px;transition:color var(--ease);}
.pick-body p{font-size:14px;color:var(--c-text-dim);line-height:1.7;}
.picks .pick-card.feature .pick-media{aspect-ratio:16/13;}
.picks .pick-card.feature .pick-body h3{font-size:21px;}

/* ---------- news ---------- */
.news-wrap{
  border-top:1px solid var(--c-line);
}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;}
.news-row{
  display:grid;
  grid-template-columns:88px 1fr auto;
  gap:16px;
  align-items:center;
  padding:18px 8px;
  border-bottom:1px solid var(--c-line);
  border-radius:8px;
  transition:background var(--ease);
}
.news-row:hover{background:rgba(53,224,201,.06);}
.news-thumb{
  width:88px;height:64px;
  border-radius:10px;
  background:linear-gradient(135deg,#0D2230 0%,#122F3F 100%);
  border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  color:rgba(53,224,201,.7);
  flex-shrink:0;
}
.news-thumb svg{width:22px;height:22px;}
.news-main{min-width:0;}
.news-title{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin-bottom:4px;
  transition:color var(--ease);
}
.news-row:hover .news-title{color:var(--c-primary);}
.news-desc{
  font-size:14px;
  color:var(--c-text-dim);
  line-height:1.6;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.news-side{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
  flex-shrink:0;
}
.news-time{font-size:13px;color:var(--c-text-weak);font-variant-numeric:tabular-nums;}
.news-empty{
  border:1px dashed var(--c-line);
  border-radius:var(--radius-card);
  padding:52px 24px;
  text-align:center;
  color:var(--c-text-dim);
}
.news-empty svg{width:40px;height:40px;color:var(--c-text-weak);margin:0 auto 14px;}
.news-empty p{font-size:16px;margin-bottom:20px;}

/* ---------- trust ---------- */
.trust{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.trust h2{
  position:relative;
  font-size:30px;
  line-height:1.3;
  font-weight:600;
  padding-top:34px;
  margin-bottom:16px;
}
.trust h2::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.trust > div > p{font-size:15px;color:var(--c-text-dim);}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.trust-card{
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  background:rgba(13,34,48,.45);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:border-color var(--ease);
}
.trust-card:hover{border-color:rgba(53,224,201,.4);}
.trust-card .src{font-size:13px;color:var(--c-primary);}
.trust-card blockquote{margin:0;font-size:15px;line-height:1.7;color:var(--c-text);}
.trust-card .who{font-size:13px;color:var(--c-text-weak);margin-top:auto;}
.partner-row{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  align-items:center;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--c-line);
}
.partner-row span{
  font-size:14px;
  letter-spacing:.06em;
  color:#4A6473;
  filter:grayscale(1);
  transition:color var(--ease);
}
.partner-row span:hover{color:var(--c-primary);}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-bg-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:320px;height:320px;
  border:1px solid rgba(53,224,201,.22);
  border-radius:50%;
  pointer-events:none;
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:72px 0;
  position:relative;
  z-index:2;
}
.cta-inner h2{font-size:30px;line-height:1.32;font-weight:600;margin-bottom:14px;}
.cta-inner p{font-size:15px;color:var(--c-text-dim);max-width:420px;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 240px;
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--c-text);
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:var(--c-text-weak);}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(53,224,201,.20);
}
.form-note{font-size:13px;color:var(--c-text-weak);margin-top:14px;}

/* ---------- footer ---------- */
.site-footer{
  background:#040C12;
  border-top:1px solid var(--c-line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-main{font-size:18px;}
.footer-about{font-size:13px;line-height:1.8;color:var(--c-text-weak);max-width:280px;margin-bottom:18px;}
.footer-contact{font-size:13px;color:var(--c-text-dim);line-height:1.9;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:13px;color:var(--c-text-dim);}
.footer-col a:hover{color:var(--c-primary);}
.footer-sub p{font-size:13px;color:var(--c-text-weak);line-height:1.8;margin-bottom:14px;}
.footer-sub .sub-form input{height:44px;font-size:14px;}
.footer-sub .btn{padding:12px 18px;font-size:14px;}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-text-weak);
}
.footer-bottom .policy{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .policy a:hover{color:var(--c-primary);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 480ms ease,transform 480ms ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .hero h1{font-size:46px;}
  .nav-link{padding:0 9px;font-size:13.5px;}
  .brand-main{font-size:19px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-desktop{display:none;}
  .nav-toggle{display:block;}
  .header-actions .btn-ghost{display:none;}
  .hero{padding:130px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;max-width:none;}
  .hero-sub{max-width:none;}
  .story{grid-template-columns:1fr;gap:36px;}
  .cap-big{grid-column:span 12;min-height:300px;}
  .cap-small{grid-column:span 6;}
  .picks{grid-template-columns:repeat(2,1fr);}
  .picks .pick-card.feature .pick-media{aspect-ratio:16/10;}
  .picks .pick-card.feature .pick-body h3{font-size:19px;}
  .news-list{grid-template-columns:1fr;}
  .trust{grid-template-columns:1fr;gap:32px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
  .section-tight{padding:64px 0;}
  .section-head h2,.trust h2,.cta-inner h2{font-size:27px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .header-inner{height:68px;}
  .mobile-panel{inset:68px 0 0 0;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:8px;}
  .hero{padding:112px 0 56px;}
  .hero h1{font-size:31px;line-height:1.24;}
  .hero-sub{font-size:15.5px;margin-bottom:28px;}
  .hero-actions{gap:16px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .btn-text{width:auto;}
  .hero-points{gap:14px 20px;}
  .hero-card{padding:20px 20px 4px;}
  .metric-value{font-size:21px;}
  .section{padding:56px 0;}
  .section-tight{padding:52px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2,.trust h2,.cta-inner h2{font-size:24px;padding-top:30px;}
  .mini-grid{grid-template-columns:1fr;gap:14px;}
  .cap-grid{gap:16px;}
  .cap-small{grid-column:span 12;min-height:auto;}
  .cap-big{padding:22px;min-height:280px;}
  .cap-big h3{font-size:21px;}
  .picks{grid-template-columns:1fr;gap:18px;}
  .news-row{grid-template-columns:64px 1fr;gap:14px;padding:16px 4px;}
  .news-thumb{width:64px;height:52px;border-radius:8px;}
  .news-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;padding-left:78px;}
  .trust-grid{grid-template-columns:1fr;}
  .partner-row{gap:20px;}
  .sub-form input{flex:1 1 100%;}
  .sub-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:48px;}
}
@media (max-width:480px){
  .hero h1{font-size:27px;}
  .hero-eyebrow{font-size:12px;padding:4px 12px;}
  .badge{font-size:12px;}
  .btn{padding:12px 22px;font-size:14px;}
  .btn-sm{padding:10px 16px;font-size:13px;}
  .brand-sub{display:none;}
  .brand-divider{display:none;}
  .news-side{padding-left:0;}
}

/* roulang page: article */
:root{
  --c-bg:#061018;
  --c-bg-soft:#0A1A24;
  --c-surface:#0D2230;
  --c-line:#1B3341;
  --c-primary:#35E0C9;
  --c-primary-soft:rgba(53,224,201,.12);
  --c-primary-line:rgba(53,224,201,.16);
  --c-accent:#4C8DFF;
  --c-warm:#FFB673;
  --c-text:#E8F1F5;
  --c-text-2:#C3D5DF;
  --c-text-dim:#9FB3C0;
  --c-text-mute:#6B8494;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --shadow-card:0 12px 32px rgba(0,0,0,.35);
  --shadow-hover:0 18px 48px rgba(0,0,0,.45);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
::selection{background:rgba(53,224,201,.28);color:#fff;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#35E0C9 0%,#2BB8D6 100%);
  color:#04171C;
  border-color:transparent;
}
.btn-primary:hover{
  color:#04171C;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px #35E0C9,0 8px 28px rgba(53,224,201,.35);
}
.btn-ghost{
  background:transparent;
  color:var(--c-text);
  border-color:rgba(232,241,245,.24);
}
.btn-ghost:hover{
  color:var(--c-primary);
  border-color:var(--c-primary);
  background:rgba(53,224,201,.08);
}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(6,16,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-text);
  flex-shrink:0;
}
.brand-main{
  font-size:20px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--c-text);
}
.brand-divider{
  width:1px;
  height:16px;
  background:var(--c-line);
}
.brand-sub{
  font-size:12px;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--c-text-mute);
}
.brand:hover .brand-main{color:var(--c-primary);}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  font-size:14.5px;
  color:var(--c-text-dim);
  padding:6px 10px;
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(53,224,201,.10);}
.nav-link.is-active{color:var(--c-text);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:10px;right:10px;
  bottom:-4px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 10px;
  background:transparent;
  border:1px solid var(--c-line);
  border-radius:10px;
}
.nav-toggle span{
  display:block;
  height:2px;
  width:100%;
  background:var(--c-text);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-panel{
  position:fixed;
  inset:var(--header-h) 0 0 0;
  z-index:99;
  background:rgba(6,16,24,.98);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:16px 20px 40px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  overflow-y:auto;
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:20px;
  color:var(--c-text-dim);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a.is-active{color:var(--c-primary);}
.mobile-panel .btn{display:flex;margin-top:24px;min-height:48px;font-size:16px;justify-content:center;border-bottom:none;}

/* ---------- article layout ---------- */
main{padding-top:calc(var(--header-h) + 44px);}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-mute);
  margin-bottom:18px;
}
.crumbs a{color:var(--c-text-mute);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#33505F;}
.crumbs .current{color:var(--c-text);}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  line-height:1.6;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid rgba(53,224,201,.45);
  color:var(--c-primary);
  background:rgba(53,224,201,.06);
}
.chip-solid{
  border:none;
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.chip-warm{
  border:none;
  background:rgba(255,182,115,.14);
  color:var(--c-warm);
}

.article-head{
  max-width:860px;
  padding-bottom:28px;
}
.article-head h1{
  font-size:clamp(26px,3.6vw,36px);
  line-height:1.32;
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--c-text);
  margin:14px 0 18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-text-mute);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{
  width:3px;height:3px;
  border-radius:50%;
  background:#33505F;
  display:inline-block;
}
.article-rule{
  height:1px;
  background:var(--c-line);
  margin:26px 0 0;
}

/* ---------- article body ---------- */
.article-wrap{
  display:block;
  padding:44px 0 8px;
}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.36;
  font-weight:600;
  color:var(--c-text);
  margin:2em 0 .6em;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;bottom:.28em;
  width:3px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:600;
  color:var(--c-text);
  margin:1.6em 0 .5em;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-text);margin:1.4em 0 .4em;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#6BEDDB;}
.article-body strong{color:var(--c-text);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:24px;}
.article-body ul>li{position:relative;padding-left:4px;line-height:1.9;}
.article-body ul>li::before{
  content:"";
  position:absolute;
  left:-18px;
  top:.78em;
  width:6px;height:6px;
  border-radius:1px;
  background:var(--c-primary);
}
.article-body ol{list-style:decimal;}
.article-body ol>li{line-height:1.9;margin:.2em 0;}
.article-body ol::marker{color:var(--c-primary);}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 24px;
  border-left:3px solid var(--c-primary);
  background:rgba(53,224,201,.06);
  border-radius:0 12px 12px 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  border-radius:12px;
  margin:1.6em 0 12px;
  background:var(--c-bg-soft);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-mute);line-height:1.6;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body thead{background:var(--c-surface);}
.article-body th,.article-body td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--c-line);
}
.article-body th{color:var(--c-primary);font-weight:600;}
.article-body pre{
  margin:1.6em 0;
  padding:18px 20px;
  background:#04121A;
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:rgba(53,224,201,.10);
  color:#8FF3E5;
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:var(--c-text-2);}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0;}

/* ---------- related ---------- */
.related{
  max-width:760px;
  margin-top:40px;
  padding-top:40px;
  border-top:1px solid var(--c-line);
}
.related h2{
  font-size:20px;
  font-weight:600;
  color:var(--c-text);
  margin-bottom:20px;
}
.related-list li + li{border-top:1px solid var(--c-line);}
.related-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 4px;
  transition:background .2s ease;
  border-radius:10px;
}
.related-item:hover{background:rgba(53,224,201,.06);}
.related-item img{
  width:64px;height:64px;
  border-radius:10px;
  flex-shrink:0;
  background:var(--c-bg-soft);
}
.related-item .rt{flex:1;min-width:0;}
.related-item .rt strong{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.related-item .rt span{font-size:13px;color:var(--c-text-mute);font-variant-numeric:tabular-nums;}
.related-item:hover .rt strong{color:var(--c-primary);}
.back-row{
  display:flex;
  justify-content:center;
  padding:48px 0 96px;
}

/* ---------- empty state ---------- */
.empty-card{
  max-width:760px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:16px;
  padding:56px 24px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  background:var(--c-bg-soft);
}
.empty-card svg{width:44px;height:44px;color:var(--c-text-mute);}
.empty-card p{font-size:17px;color:var(--c-text-dim);}

/* ---------- footer ---------- */
.site-footer{
  background:#040C12;
  border-top:1px solid var(--c-line);
  padding:72px 0 0;
  margin-top:32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer-about{
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-mute);
  max-width:330px;
  margin-bottom:16px;
}
.footer-contact{
  font-size:13px;
  line-height:1.9;
  color:var(--c-text-mute);
  font-variant-numeric:tabular-nums;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:14px;
  color:var(--c-text-mute);
}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-sub p{
  font-size:14px;
  color:var(--c-text-mute);
  margin-bottom:14px;
  line-height:1.7;
}
.sub-form{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.sub-form input{
  flex:1;
  min-width:150px;
  height:48px;
  padding:0 14px;
  font-size:14px;
  color:var(--c-text);
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-line);
  border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#5B7284;}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(53,224,201,.20);
}
.sub-form .btn{padding:0 20px;height:48px;font-size:14px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:22px 0 28px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-mute);
}
.footer-bottom .policy{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.footer-bottom .policy a:hover{color:var(--c-primary);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .nav-desktop{gap:18px;}
  .nav-link{font-size:14px;padding:6px 8px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-ghost{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .article-body{max-width:100%;}
  .related{max-width:100%;}
  .article-head{max-width:100%;}
}
@media (max-width:768px){
  :root{--header-h:66px;}
  .container{padding:0 20px;}
  .brand-main{font-size:18px;}
  .brand-sub{font-size:11px;}
  .header-actions .btn-primary{display:none;}
  main{padding-top:calc(var(--header-h) + 28px);}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-body table{white-space:normal;display:block;overflow-x:auto;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-row{padding:36px 0 64px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .article-body h2{font-size:20px;}
  .related-item img{width:56px;height:56px;}
  .related-item .rt strong{font-size:15px;}
  .btn{padding:12px 22px;font-size:14px;}
  .sub-form .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-bg:#061018;
  --c-bg-soft:#0A1A24;
  --c-surface:#0D2230;
  --c-line:#1B3341;
  --c-line-soft:rgba(27,51,65,.65);
  --c-primary:#35E0C9;
  --c-primary-soft:rgba(53,224,201,.12);
  --c-primary-line:rgba(53,224,201,.16);
  --c-accent:#4C8DFF;
  --c-warm:#FFB673;
  --c-warm-soft:rgba(255,182,115,.14);
  --c-text:#E8F1F5;
  --c-text-dim:#9FB3C0;
  --c-text-mute:#6B8494;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.35);
  --shadow-card-hover:0 18px 48px rgba(0,0,0,.45);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;}
ul{margin:0;padding:0;list-style:none;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background 260ms ease,border-color 260ms ease,backdrop-filter 260ms ease;
}
.site-header.is-scrolled{
  background:rgba(6,16,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  min-height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-main{
  font-size:19px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--c-text);
}
.brand-divider{
  width:1px;
  height:16px;
  background:var(--c-line);
  display:inline-block;
}
.brand-sub{
  font-size:12px;
  color:var(--c-text-mute);
  letter-spacing:.02em;
}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-text-dim);
  border-radius:var(--radius-pill);
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-link:hover{
  color:var(--c-text);
  background:rgba(53,224,201,.10);
}
.nav-link.is-active{
  color:var(--c-text);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:2px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  background:transparent;
  cursor:pointer;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:1.5px;
  background:var(--c-text);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* 移动端面板 */
.mobile-panel{
  display:none;
  position:fixed;
  inset:76px 0 0 0;
  z-index:55;
  background:rgba(4,12,18,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:12px 20px 40px;
  overflow-y:auto;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;
  font-size:20px;
  line-height:56px;
  color:var(--c-text-dim);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a.is-active{color:var(--c-primary);}
.mobile-panel .mobile-cta{
  margin-top:24px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.mobile-panel .mobile-cta .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#35E0C9,#2BB8D6);
  color:#04171C;
  font-weight:600;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px #35E0C9,0 8px 28px rgba(53,224,201,.35);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(232,241,245,.24);
  color:var(--c-text);
}
.btn-ghost:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:rgba(53,224,201,.08);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:var(--radius-btn);}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  border-bottom:1px solid transparent;
}
.btn-link:hover{border-bottom-color:var(--c-primary);}
.btn-link .arrow{transition:transform var(--ease);}
.btn-link:hover .arrow{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 通用板块 ---------- */
main{padding-top:76px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  max-width:720px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,2.4vw,34px);
  line-height:1.28;
  padding-top:22px;
  position:relative;
}
.section-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:40px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.section-head p{
  margin-top:16px;
  color:var(--c-text-dim);
  font-size:16px;
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-mute);
  letter-spacing:.04em;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(53,224,201,.12);
}
.badge{
  display:inline-block;
  padding:4px 10px;
  font-size:13px;
  line-height:1.6;
  border-radius:var(--radius-pill);
  color:var(--c-primary);
  background:var(--c-primary-soft);
}
.badge-warm{
  color:var(--c-warm);
  background:var(--c-warm-soft);
}
.divider-line{
  height:1px;
  background:var(--c-line);
  border:0;
  margin:0;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-mute);
  padding-top:28px;
}
.breadcrumb a{color:var(--c-text-mute);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-text);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(90deg,rgba(6,16,24,.96) 0%,rgba(6,16,24,.72) 42%,rgba(6,16,24,.34) 72%,rgba(6,16,24,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
}
.hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-80px;
  width:420px;height:420px;
  border:1px solid rgba(53,224,201,.14);
  border-radius:50%;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
  padding:72px 0 88px;
}
.hero-copy h1{
  font-size:clamp(30px,4.1vw,52px);
  line-height:1.18;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero-copy h1 .hl{
  color:var(--c-primary);
}
.hero-lead{
  font-size:17px;
  line-height:1.78;
  color:var(--c-text-dim);
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  font-size:13px;
  color:var(--c-text-mute);
}
.hero-trust span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.hero-trust span::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-primary);
  opacity:.8;
}
/* 玻璃信息卡 */
.hero-card{
  position:relative;
  border-radius:var(--radius-card);
  border:1px solid var(--c-primary-line);
  background:rgba(13,34,48,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.hero-card-media{
  position:relative;
  height:188px;
  overflow:hidden;
}
.hero-card-media img{
  width:100%;height:100%;
  object-fit:cover;
}
.hero-card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,16,24,.1),rgba(13,34,48,.92));
}
.hero-card .badge-warm{
  position:absolute;
  top:14px;right:14px;
  z-index:3;
}
.hero-card-body{
  padding:20px 24px 24px;
}
.hero-card-body h2{
  font-size:17px;
  margin-bottom:16px;
  color:var(--c-text);
}
.metric-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px solid var(--c-line);
}
.metric-row:last-child{border-bottom:0;padding-bottom:0;}
.metric-label{
  font-size:13px;
  color:var(--c-text-dim);
}
.metric-value{
  font-size:22px;
  font-weight:600;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}

/* ---------- 总述 4:8 ---------- */
.split{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.split-intro h2{
  font-size:clamp(23px,2.2vw,32px);
  line-height:1.3;
  padding-top:22px;
  position:relative;
  margin-bottom:22px;
}
.split-intro h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:40px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.split-intro p{
  color:var(--c-text-dim);
  font-size:16px;
}
.pull-quote{
  margin-top:26px;
  padding-left:18px;
  border-left:3px solid var(--c-primary);
  color:var(--c-text);
  font-size:16px;
  line-height:1.7;
}
.point-list{
  display:grid;
  gap:1px;
  background:var(--c-line);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.point-item{
  background:var(--c-bg);
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  padding:26px 4px;
  transition:background var(--ease);
}
.point-item:hover{background:rgba(53,224,201,.05);}
.point-num{
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  padding-top:3px;
}
.point-item h3{
  font-size:18px;
  margin-bottom:8px;
}
.point-item p{
  margin:0;
  font-size:15px;
  color:var(--c-text-dim);
  line-height:1.75;
}

/* ---------- 三步核对 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--c-line);
}
.step{
  padding:32px 28px 8px 0;
  position:relative;
}
.step + .step{
  padding-left:28px;
  border-left:1px solid var(--c-line);
}
.step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-primary);
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step h3{
  font-size:18px;
  margin-bottom:10px;
}
.step p{
  margin:0;
  font-size:15px;
  color:var(--c-text-dim);
  line-height:1.75;
}

/* ---------- 图卡网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.media-card{
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  background:var(--c-bg-soft);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform 400ms ease,box-shadow 400ms ease,border-color 400ms ease;
}
.media-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,224,201,.45);
  box-shadow:var(--shadow-card-hover);
}
.media-card-figure{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#0A1A24;
}
.media-card-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 400ms ease;
}
.media-card:hover .media-card-figure img{transform:scale(1.03);}
.media-card-figure .badge{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
}
.media-card-content{padding:24px 24px 28px;}
.media-card-content h3{
  font-size:20px;
  margin-bottom:10px;
  transition:color var(--ease);
}
.media-card:hover .media-card-content h3{color:var(--c-primary);}
.media-card-content p{
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:var(--c-text-dim);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--c-bg-soft);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:48px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-140px;
  width:320px;height:320px;
  border:1px solid rgba(53,224,201,.22);
  border-radius:50%;
  pointer-events:none;
}
.cta-band-text{position:relative;z-index:2;max-width:640px;}
.cta-band-text h2{
  font-size:clamp(22px,2.2vw,30px);
  line-height:1.32;
  margin-bottom:12px;
}
.cta-band-text p{
  margin:0;
  font-size:15px;
  color:var(--c-text-dim);
}
.cta-band-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#040C12;
  border-top:1px solid var(--c-line);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer-about{
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-dim);
  max-width:320px;
}
.footer-contact{
  margin-top:16px;
  font-size:13px;
  line-height:1.9;
  color:var(--c-text-mute);
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--c-text-dim);
  transition:color var(--ease);
}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-sub p{
  font-size:13px;
  color:var(--c-text-mute);
  margin-bottom:14px;
}
.sub-form{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.sub-form input{
  flex:1 1 150px;
  min-width:0;
  height:48px;
  padding:0 14px;
  font-size:14px;
  color:var(--c-text);
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:var(--c-text-mute);}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(53,224,201,.20);
}
.sub-form .btn{padding:0 20px;height:48px;}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-text-mute);
}
.footer-bottom .policy{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.footer-bottom .policy a{
  color:var(--c-text-mute);
  transition:color var(--ease);
}
.footer-bottom .policy a:hover{color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-ghost{display:none;}
  .hero-inner{
    grid-template-columns:1fr;
    gap:40px;
    padding:56px 0 64px;
  }
  .hero-card{max-width:520px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{min-height:68px;gap:12px;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:11px;}
  .header-actions .btn-primary.btn-sm{display:none;}
  .mobile-panel{inset:68px 0 0 0;}
  main{padding-top:68px;}
  .hero-inner{padding:40px 0 56px;}
  .hero-copy h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .btn-link{justify-content:flex-start;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;border-top:0;gap:0;}
  .step{padding:24px 0;border-top:1px solid var(--c-line);}
  .step + .step{padding-left:0;border-left:0;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 24px;gap:24px;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{width:100%;}
  .media-card-content{padding:20px 20px 24px;}
  .media-card-content h3{font-size:18px;}
  .metric-value{font-size:20px;}
}
@media (max-width:480px){
  .hero-trust{gap:14px;font-size:12px;}
  .point-item{grid-template-columns:40px 1fr;gap:12px;padding:22px 0;}
  .hero-card-media{height:150px;}
  .breadcrumb{font-size:13px;gap:6px;}
  .sub-form input{flex:1 1 100%;}
  .sub-form .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-bg:#061018;
  --c-bg-soft:#0A1A24;
  --c-surface:#0D2230;
  --c-line:#1B3341;
  --c-primary:#35E0C9;
  --c-primary-soft:rgba(53,224,201,.12);
  --c-blue:#4C8DFF;
  --c-accent:#FFB673;
  --c-text:#E8F1F5;
  --c-text-dim:#9FB3C0;
  --c-text-weak:#6B8494;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.35);
  --shadow-card-hover:0 18px 48px rgba(0,0,0,.45);
  --header-h:76px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:600}
p{margin:0}
figure{margin:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,16,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.brand-main{font-size:19px;font-weight:600;letter-spacing:.02em;color:var(--c-text)}
.brand-divider{width:1px;height:16px;background:var(--c-line);display:inline-block}
.brand-sub{font-size:12px;letter-spacing:.06em;color:var(--c-text-dim);font-weight:400}
.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:999px;
  font-size:15px;color:var(--c-text-dim);transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--c-text);background:rgba(53,224,201,.10)}
.nav-link.is-active{color:var(--c-text)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:linear-gradient(135deg,#35E0C9,#2BB8D6);color:#04171C}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px #35E0C9,0 8px 28px rgba(53,224,201,.35)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px #35E0C9}
.btn-ghost{background:transparent;border-color:rgba(232,241,245,.24);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(53,224,201,.08)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--c-line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--c-text);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- mobile panel ---------- */
.mobile-panel{
  position:fixed;left:0;right:0;top:var(--header-h);bottom:0;z-index:79;
  background:#061018;border-top:1px solid var(--c-line);
  overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:none}
.mobile-nav{display:flex;flex-direction:column;padding:8px 20px 40px}
.mobile-nav a{padding:16px 4px;font-size:20px;color:var(--c-text);border-bottom:1px solid var(--c-line)}
.mobile-nav a.is-active{color:var(--c-primary)}
.mobile-nav a:last-child{border-bottom:none}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 92px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(58% 62% at 50% 0%,rgba(53,224,201,.12),transparent 72%),
    linear-gradient(180deg,rgba(10,26,36,.9),rgba(6,16,24,0) 68%);
}
.hero::after{
  content:"";position:absolute;left:50%;top:96px;transform:translateX(-50%);
  width:min(680px,86vw);height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,201,.35),transparent);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:840px;margin:0 auto;text-align:center}
.crumb{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;color:var(--c-text-weak);margin-bottom:26px;flex-wrap:wrap;
}
.crumb a{color:var(--c-text-dim);transition:color var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb em{font-style:normal;color:var(--c-text)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;color:var(--c-accent);
  background:rgba(255,182,115,.14);border:1px solid rgba(255,182,115,.22);
}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(255,182,115,.16)}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.18;letter-spacing:-.01em;font-weight:600;
}
.hero-sub{
  max-width:640px;margin:20px auto 0;
  color:var(--c-text-dim);font-size:17px;line-height:1.78;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.hero-points{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;
  margin-top:34px;font-size:13px;color:var(--c-text-weak);
}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-primary);opacity:.8}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section--soft{background:var(--c-bg-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:740px;margin-bottom:48px}
.section-head h2{
  position:relative;padding-top:32px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:600;
}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.section-head p{margin-top:16px;color:var(--c-text-dim);font-size:16px;max-width:680px}
.label-line{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-primary);
  text-transform:uppercase;
}
.label-line::before{content:"";width:18px;height:1px;background:var(--c-primary);opacity:.7}

/* ---------- steps ---------- */
.steps-layout{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:start}
.step-list{list-style:none;position:relative}
.step{position:relative;display:grid;grid-template-columns:40px 1fr;gap:24px;padding-bottom:44px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:19px;top:48px;bottom:4px;
  border-left:1px dashed rgba(53,224,201,.4);
}
.step:last-child::before{display:none}
.step-num{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(53,224,201,.5);
  background:rgba(53,224,201,.06);
  color:var(--c-primary);font-size:14px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.step-body{padding-top:4px}
.step-body h3{font-size:20px;line-height:1.4;margin-bottom:8px}
.step-body p{color:var(--c-text-dim);font-size:16px;max-width:640px}
.step-tip{margin-top:12px;font-size:13px;color:var(--c-text-weak)}
.step-tip b{color:var(--c-primary);font-weight:600}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-text h2{
  position:relative;padding-top:32px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.28;
}
.split-text h2::before{content:"";position:absolute;top:0;left:0;width:40px;height:2px;background:var(--c-primary);border-radius:2px}
.split-text > p{margin-top:16px;color:var(--c-text-dim);font-size:16px;max-width:520px}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--c-line);
  background:var(--c-bg-soft);
}
.split-media figcaption{margin-top:12px;font-size:13px;color:var(--c-text-weak)}

/* ---------- check list ---------- */
.check-list{list-style:none;margin-top:28px}
.check-list li{
  position:relative;padding:18px 0 18px 28px;
  border-top:1px solid var(--c-line);color:var(--c-text-dim);font-size:15px;
}
.check-list li:last-child{border-bottom:1px solid var(--c-line)}
.check-list li::before{
  content:"";position:absolute;left:0;top:27px;
  width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}
.check-list strong{display:block;margin-bottom:4px;font-size:16px;color:var(--c-text);font-weight:600}

/* ---------- info cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  padding:28px;border:1px solid var(--c-line);border-radius:var(--radius-card);
  background:rgba(13,34,48,.5);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.info-card:hover{border-color:rgba(53,224,201,.45);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.info-card .ico{
  width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(76,141,255,.35);color:var(--c-blue);
  margin-bottom:16px;font-size:13px;font-weight:600;
}
.info-card h3{font-size:17px;margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--c-text-dim);line-height:1.75}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--c-text);line-height:1.6;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  color:var(--c-primary);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:1.5px}
.faq-icon::after{width:1.5px;height:14px;transition:transform .24s ease,opacity .24s ease}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 0 20px;max-width:760px;color:var(--c-text-dim);font-size:15px;line-height:1.8}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  padding:48px;border-radius:var(--radius-card);
  border:1px solid rgba(53,224,201,.18);
  background:linear-gradient(120deg,#0A1A24 0%,#061018 72%);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;
  border:1px solid rgba(53,224,201,.22);border-radius:50%;pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;max-width:520px}
.cta-band p{margin-top:12px;color:var(--c-text-dim);font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:#040C12;border-top:1px solid var(--c-line);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-about{font-size:14px;color:var(--c-text-dim);line-height:1.8;max-width:320px}
.footer-contact{margin-top:16px;font-size:13px;color:var(--c-text-weak);line-height:1.9}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--c-text-dim);transition:color var(--ease)}
.footer-col a:hover{color:var(--c-primary)}
.footer-sub p{font-size:14px;color:var(--c-text-dim);margin-bottom:16px}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form input{
  height:48px;width:100%;padding:0 14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-line);border-radius:10px;
  color:var(--c-text);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.sub-form input::placeholder{color:var(--c-text-weak)}
.sub-form input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(53,224,201,.20);
}
.sub-form .btn{width:100%}
.form-note{margin-top:10px;font-size:13px;color:var(--c-text-weak);line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:56px;padding-top:24px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-weak);
}
.footer-bottom .policy{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.footer-bottom .policy a{color:var(--c-text-dim);transition:color var(--ease)}
.footer-bottom .policy a:hover{color:var(--c-primary)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .footer-grid{gap:36px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .hero{padding:132px 0 72px}
  .steps-layout{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:36px}
}
@media (max-width:767px){
  :root{--header-h:68px}
  .container{padding:0 20px}
  .header-actions .btn-ghost{display:none}
  .hero{padding:118px 0 60px}
  .hero::after{top:76px}
  .hero-sub{font-size:16px;max-width:100%}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:8px 18px;justify-content:flex-start}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .card-grid{grid-template-columns:1fr}
  .step{grid-template-columns:34px 1fr;gap:16px;padding-bottom:36px}
  .step-num{width:34px;height:34px;font-size:13px}
  .step::before{left:16px;top:42px}
  .step-body h3{font-size:18px}
  .step-body p{font-size:15px}
  .cta-band{padding:28px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:480px){
  .brand-sub{display:none}
  .brand-divider{display:none}
  .faq-q{font-size:15.5px}
  .feature-pad{padding:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-bg:#061018;
  --c-bg-soft:#0A1A24;
  --c-surface:#0D2230;
  --c-line:#1B3341;
  --c-line-soft:rgba(27,51,65,.75);
  --c-primary:#35E0C9;
  --c-primary-soft:rgba(53,224,201,.12);
  --c-accent:#FFB673;
  --c-blue:#4C8DFF;
  --c-text:#E8F1F5;
  --c-text-dim:#9FB3C0;
  --c-text-weak:#6B8494;
  --r-btn:10px;
  --r-card:16px;
  --r-img:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.35);
  --shadow-card-hover:0 18px 48px rgba(0,0,0,.45);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-0.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
@media (max-width:1279px){.container{padding:0 32px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:767px){.container{padding:0 20px}}

/* header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(6,16,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-main{font-weight:600;color:var(--c-text)}
.brand-divider{width:1px;height:14px;background:var(--c-line);display:inline-block}
.brand-sub{font-size:12px;color:var(--c-text-weak);letter-spacing:.08em}
.brand:hover .brand-main{color:var(--c-primary)}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:14px;
  color:var(--c-text-dim);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-text);background:rgba(53,224,201,.10)}
.nav-link.is-active{color:var(--c-text)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:0;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  padding:14px 28px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  line-height:1.2;
}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-primary{
  background:linear-gradient(135deg,#35E0C9 0%,#2BB8D6 100%);
  color:#04171C;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px #35E0C9,0 8px 28px rgba(53,224,201,.35);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:rgba(232,241,245,.24);
  color:var(--c-text);
}
.btn-ghost:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:rgba(53,224,201,.08);
}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:transparent;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--c-text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* mobile panel */
.mobile-panel{
  position:fixed;
  inset:76px 0 0 0;
  background:rgba(6,16,24,.98);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  z-index:110;
  padding:12px 20px 40px;
  display:none;
  overflow-y:auto;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:20px;
  color:var(--c-text-dim);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a:hover,.mobile-panel a.is-active{color:var(--c-primary)}
.mobile-panel .mobile-cta{margin-top:24px;border-bottom:0;display:flex;gap:12px;flex-wrap:wrap}
.mobile-panel .mobile-cta .btn{width:100%}

/* hero */
.page-hero{
  position:relative;
  padding:150px 0 64px;
  background:
    radial-gradient(900px 420px at 50% -10%,rgba(53,224,201,.10),transparent 70%),
    linear-gradient(180deg,#061018 0%,#081520 60%,#061018 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:min(1100px,120%);
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,201,.45),transparent);
}
.hero-inner{position:relative;max-width:820px;margin:0 auto;text-align:center}
.breadcrumb{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-text-weak);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--c-text-weak)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-text)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-dim);
  border:1px solid rgba(53,224,201,.24);
  background:rgba(53,224,201,.07);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:22px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(53,224,201,.16)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;
  margin-bottom:20px;
}
.page-hero h1 .hl{color:var(--c-primary)}
.hero-lead{
  max-width:640px;
  margin:0 auto 32px;
  font-size:17px;
  color:var(--c-text-dim);
  line-height:1.78;
}
.hero-actions{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.hero-meta{
  display:flex;
  gap:26px;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:34px;
  font-size:13px;
  color:var(--c-text-weak);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.hero-meta i{width:5px;height:5px;border-radius:50%;background:var(--c-primary);display:inline-block}

/* sections */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.soft{background:var(--c-bg-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.28;
  margin-bottom:18px;
  position:relative;
  padding-top:26px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:40px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.section-head.center h2::before{left:50%;transform:translateX(-50%)}
.section-head p{color:var(--c-text-dim);font-size:16px}
@media (max-width:1023px){.section{padding:72px 0}.section.tight{padding:56px 0}}
@media (max-width:767px){.section{padding:56px 0}.section.tight{padding:48px 0}.section-head{margin-bottom:32px}}

/* compare table */
.table-shell{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:rgba(13,34,48,.55);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.compare-table{width:100%;border-collapse:collapse;font-size:15px}
.compare-table thead th{
  text-align:left;
  padding:18px 24px;
  background:#0D2230;
  color:var(--c-primary);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
  border-bottom:1px solid var(--c-line);
}
.compare-table tbody td{
  padding:18px 24px;
  border-bottom:1px solid var(--c-line-soft);
  color:var(--c-text-dim);
  vertical-align:top;
  line-height:1.7;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr{transition:background .2s ease}
.compare-table tbody tr:hover{background:rgba(53,224,201,.06)}
.compare-table td:first-child{color:var(--c-text);font-weight:600;width:26%}
.tag{
  display:inline-block;
  font-size:13px;
  padding:4px 10px;
  border-radius:999px;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  white-space:nowrap;
}
.tag-amber{color:var(--c-accent);background:rgba(255,182,115,.14)}
.tag-blue{color:#8FB6FF;background:rgba(76,141,255,.14)}
.table-note{
  margin-top:20px;
  font-size:13.5px;
  color:var(--c-text-weak);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.table-note::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--c-primary);
}
@media (max-width:767px){
  .compare-table thead{display:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .table-shell{background:transparent;border:0;box-shadow:none;border-radius:0}
  .compare-table tr{
    border:1px solid var(--c-line);
    border-radius:14px;
    background:rgba(13,34,48,.55);
    padding:6px 16px;
    margin-bottom:14px;
  }
  .compare-table tbody td{
    border-bottom:1px dashed var(--c-line-soft);
    padding:12px 0;
  }
  .compare-table tbody tr:hover{background:rgba(13,34,48,.55)}
  .compare-table td:first-child{width:auto;border-bottom:1px solid var(--c-line)}
  .compare-table td:last-child{border-bottom:0}
  .compare-table td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    color:var(--c-text-weak);
    letter-spacing:.06em;
    margin-bottom:4px;
    font-weight:400;
  }
  .compare-table td:first-child::before{display:none}
}

/* split block */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--shadow-card);
  position:relative;
  aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;transition:transform .4s ease}
.split-media:hover img{transform:scale(1.03)}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,16,24,0) 40%,rgba(6,16,24,.55) 100%);
  pointer-events:none;
}
.split-body h2{
  font-size:clamp(23px,2.6vw,31px);
  line-height:1.3;
  margin-bottom:18px;
  position:relative;
  padding-top:26px;
}
.split-body h2::before{
  content:"";
  position:absolute;top:0;left:0;
  width:40px;height:2px;background:var(--c-primary);border-radius:2px;
}
.split-body p{color:var(--c-text-dim);font-size:16px}
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--c-text);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:9px;
  background:var(--c-primary);
  border-radius:2px;
  transform:rotate(45deg);
}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:32px}
}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:rgba(13,34,48,.55);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  box-shadow:var(--shadow-card);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,224,201,.42);
  box-shadow:var(--shadow-card-hover);
}
.card:hover h3{color:var(--c-primary)}
.card-icon{
  width:40px;height:40px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(53,224,201,.24);
  background:rgba(53,224,201,.08);
  color:var(--c-primary);
  margin-bottom:18px;
  font-size:15px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.card h3{
  font-size:19px;
  line-height:1.4;
  margin-bottom:10px;
  transition:color .25s ease;
}
.card p{font-size:14.5px;color:var(--c-text-dim);line-height:1.75}
.card-meta{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--c-line-soft);
  font-size:13px;
  color:var(--c-text-weak);
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-variant-numeric:tabular-nums;
}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.card-grid{grid-template-columns:1fr}}

/* faq */
.faq-list{
  border-top:1px solid var(--c-line);
  max-width:920px;
  margin:0 auto;
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  background:transparent;
  border:0;
  color:var(--c-text);
  font-size:17px;
  font-weight:600;
  text-align:left;
  line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex:0 0 auto;
  position:relative;
  width:20px;height:20px;
  border-radius:50%;
  border:1px solid rgba(53,224,201,.4);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--c-primary);
  border-radius:1px;
  transform:translate(-50%,-50%);
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{
  padding:0 40px 20px 0;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-dim);
}
.faq-more{
  margin-top:36px;
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
@media (max-width:767px){
  .faq-q{font-size:15.5px;padding:18px 0}
  .faq-a p{padding-right:0;font-size:14.5px}
}

/* cta band */
.cta-band{
  position:relative;
  background:var(--c-bg-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:72px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;top:50%;
  width:420px;height:420px;
  transform:translateY(-50%);
  border-radius:50%;
  border:1px solid rgba(53,224,201,.18);
  pointer-events:none;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  position:relative;
  z-index:1;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  margin-bottom:12px;
}
.cta-inner p{color:var(--c-text-dim);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
@media (max-width:1023px){
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
}

/* footer */
.site-footer{
  background:#040C12;
  border-top:1px solid var(--c-line);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid var(--c-line);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  margin-bottom:18px;
}
.footer-brand:hover .brand-main{color:var(--c-primary)}
.footer-about{
  font-size:14px;
  color:var(--c-text-dim);
  line-height:1.8;
  max-width:330px;
}
.footer-contact{
  font-size:13.5px;
  color:var(--c-text-weak);
  margin-top:16px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
}
.footer-col h4{
  font-size:14px;
  color:var(--c-text);
  margin-bottom:18px;
  letter-spacing:.04em;
  font-weight:600;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--c-text-dim)}
.footer-col a:hover{color:var(--c-primary)}
.footer-sub p{font-size:13.5px;color:var(--c-text-dim);margin-bottom:14px}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;
  min-width:0;
  height:46px;
  padding:0 14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  color:var(--c-text);
  font-size:14px;
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--c-text-weak)}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(53,224,201,.20);
}
.sub-form .btn{padding:0 20px;height:46px;font-size:14px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13px;
  color:var(--c-text-weak);
}
.footer-bottom .policy{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .policy a{color:var(--c-text-weak)}
.footer-bottom .policy a:hover{color:var(--c-primary)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .site-footer{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%;height:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease,transform .48s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

@media (max-width:1023px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:520px){
  .header-inner{height:68px}
  .mobile-panel{inset:68px 0 0 0}
  .brand{font-size:16px}
  .brand-sub{font-size:11px}
  .page-hero{padding:118px 0 48px}
  .hero-lead{font-size:15.5px}
  .header-actions .btn{padding:9px 14px;font-size:13px}
}

/* roulang page: category4 */
:root{
  --c-bg:#061018;
  --c-bg-soft:#0A1A24;
  --c-surface:#0D2230;
  --c-line:#1B3341;
  --c-primary:#35E0C9;
  --c-primary-soft:rgba(53,224,201,.12);
  --c-accent:#4C8DFF;
  --c-warm:#FFB673;
  --c-text:#E8F1F5;
  --c-text-dim:#9FB3C0;
  --c-text-weak:#6B8494;
  --line-soft:rgba(27,51,65,.9);
  --line-primary:rgba(53,224,201,.16);
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --shadow-card:0 12px 32px rgba(0,0,0,.35);
  --shadow-hover:0 18px 48px rgba(0,0,0,.45);
  --container:1200px;
  --gap:24px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(53,224,201,.28);color:#04171C;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:40px;
  padding-right:40px;
}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#35E0C9,#2BB8D6);
  color:#04171C;
  box-shadow:0 8px 24px rgba(53,224,201,.18);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px #35E0C9,0 8px 28px rgba(53,224,201,.35);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(232,241,245,.24);
  color:var(--c-text);
}
.btn-ghost:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:rgba(53,224,201,.08);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-arrow::after{content:"→";font-size:15px;transition:transform var(--ease);}
.btn-arrow:hover::after{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
/* ===== 品牌字标 ===== */
.brand,.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
}
.brand-main{font-size:20px;color:var(--c-text);}
.brand-divider{width:1px;height:18px;background:var(--c-line);display:inline-block;}
.brand-sub{font-size:8.4px;color:var(--c-text-dim);letter-spacing:.16em;}
/* ===== 头部导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:transparent;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,16,24,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:var(--line-soft);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  height:76px;
}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--c-text-dim);
  border-radius:999px;
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-text);background:rgba(53,224,201,.10);}
.nav-link.is-active{color:var(--c-text);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:0;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 10px;
  background:transparent;
  border:1px solid rgba(232,241,245,.24);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{display:block;height:1.6px;background:var(--c-text);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}
/* ===== 移动端面板 ===== */
.mobile-panel{
  position:fixed;
  inset:76px 0 0 0;
  z-index:55;
  background:rgba(6,16,24,.98);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:16px 20px 40px;
  overflow-y:auto;
  display:none;
  flex-direction:column;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:20px;
  color:var(--c-text-dim);
  border-bottom:1px solid var(--line-soft);
  transition:color var(--ease),padding-left var(--ease);
}
.mobile-panel a:hover,.mobile-panel a.is-active{color:var(--c-primary);padding-left:6px;}
.mobile-panel .mobile-cta{margin-top:24px;border-bottom:none;}
/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-weak);
  padding-top:112px;
}
.breadcrumb a{color:var(--c-text-weak);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-text);}
/* ===== 分类页 Hero（图墙直出） ===== */
.cat-hero{
  position:relative;
  padding:44px 0 40px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  top:-160px;left:50%;
  transform:translateX(-50%);
  width:900px;height:520px;
  background:radial-gradient(closest-side,rgba(53,224,201,.13),transparent 72%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;max-width:860px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  font-size:13px;
  line-height:1.6;
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.badge-warm{background:rgba(255,182,115,.14);color:var(--c-warm);}
.badge-line{background:transparent;border:1px solid var(--line-primary);color:var(--c-primary);}
.cat-hero h1{
  margin-top:20px;
  font-size:48px;
  line-height:1.18;
  font-weight:600;
  letter-spacing:-.01em;
}
.cat-hero p.lead{
  margin-top:20px;
  max-width:660px;
  font-size:17px;
  color:var(--c-text-dim);
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:32px;
}
.hero-meta .item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-weak);}
.hero-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(53,224,201,.12);}
.hero-meta .num{font-variant-numeric:tabular-nums;color:var(--c-primary);font-size:16px;font-weight:600;}
/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  position:relative;
  padding-top:22px;
  font-size:33px;
  line-height:1.28;
  font-weight:600;
}
.section-head h2::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:40px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.section-head p{margin-top:16px;color:var(--c-text-dim);font-size:16px;}
/* ===== 瀑布图墙 ===== */
.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
  align-items:start;
}
.gal-card{
  position:relative;
  display:block;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-soft);
  background:var(--c-bg-soft);
  box-shadow:var(--shadow-card);
  transition:transform 400ms ease,border-color var(--ease),box-shadow var(--ease);
}
.gal-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 400ms ease;
}
.gal-card:nth-child(6n+1) .gal-media{aspect-ratio:4/5;}
.gal-card:nth-child(6n+2) .gal-media{aspect-ratio:4/3;}
.gal-card:nth-child(6n+3) .gal-media{aspect-ratio:3/4;}
.gal-card:nth-child(6n+4) .gal-media{aspect-ratio:4/3;}
.gal-card:nth-child(6n+5) .gal-media{aspect-ratio:1/1;}
.gal-card:nth-child(6n+6) .gal-media{aspect-ratio:4/5;}
.gal-media{position:relative;overflow:hidden;background:#0A1A24;}
.gal-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,16,24,0) 40%,rgba(6,16,24,.88) 100%);
}
.gal-info{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transform:translateY(8px);
  transition:transform 400ms ease;
}
.gal-info h3{font-size:17px;line-height:1.45;font-weight:600;}
.gal-info .badge{align-self:flex-start;}
.gal-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,224,201,.42);
  box-shadow:var(--shadow-hover);
}
.gal-card:hover img{transform:scale(1.03);}
.gal-card:hover .gal-info{transform:translateY(0);}
.gal-card:hover .gal-info h3{color:var(--c-primary);}
/* ===== 精选两条大卡 ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--gap);
}
.feature-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(13,34,48,.85),rgba(10,26,36,.95));
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform 400ms ease,border-color var(--ease),box-shadow var(--ease);
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(53,224,201,.42);
  box-shadow:var(--shadow-hover);
}
.feature-media{aspect-ratio:16/10;overflow:hidden;background:#0A1A24;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-body{padding:28px;}
.feature-body h3{
  margin-top:14px;
  font-size:22px;
  line-height:1.4;
  font-weight:600;
  transition:color var(--ease);
}
.feature-card:hover .feature-body h3{color:var(--c-primary);}
.feature-body p{margin-top:12px;color:var(--c-text-dim);font-size:15.5px;}
.feature-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:20px;
  font-size:14px;
  color:var(--c-primary);
  transition:gap var(--ease);
}
.feature-card:hover .feature-link{gap:14px;}
/* ===== 自查清单 ===== */
.check-wrap{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.check-wrap h2{
  position:relative;
  padding-top:22px;
  font-size:31px;
  line-height:1.28;
  font-weight:600;
}
.check-wrap h2::before{
  content:"";
  position:absolute;top:0;left:0;
  width:40px;height:2px;background:var(--c-primary);border-radius:2px;
}
.check-wrap .check-intro{margin-top:16px;color:var(--c-text-dim);font-size:16px;}
.quote-line{
  margin-top:28px;
  padding-left:18px;
  border-left:2px solid var(--c-primary);
  color:var(--c-text-dim);
  font-size:15px;
}
.check-list{border-top:1px solid var(--line-soft);}
.check-item{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line-soft);
}
.check-item .idx{
  flex:0 0 auto;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-primary);
  color:var(--c-primary);
  font-size:13px;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:17px;line-height:1.5;font-weight:600;}
.check-item p{margin-top:6px;font-size:15px;color:var(--c-text-dim);}
/* ===== 数据条 ===== */
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
  margin-top:56px;
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:rgba(10,26,36,.6);
}
.stat{
  padding:26px 28px;
  border-right:1px solid var(--line-soft);
}
.stat:last-child{border-right:none;}
.stat .label{font-size:13px;color:var(--c-text-weak);}
.stat .value{
  margin-top:6px;
  font-size:26px;
  font-weight:600;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.stat .value small{font-size:14px;color:var(--c-text-dim);font-weight:400;margin-left:4px;}
/* ===== 订阅 CTA ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--c-bg-soft);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-140px;top:50%;
  transform:translateY(-50%);
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(53,224,201,.28);
  pointer-events:none;
}
.cta-inner{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
  padding:72px 0;
  position:relative;
  z-index:1;
}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:600;}
.cta-inner p{margin-top:14px;color:var(--c-text-dim);font-size:15.5px;max-width:420px;}
.sub-form{display:flex;gap:12px;}
.sub-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
  color:var(--c-text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:var(--c-text-weak);}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(53,224,201,.20);
}
.form-note{margin-top:14px;font-size:13px;color:var(--c-text-weak);}
/* ===== 页脚 ===== */
.site-footer{
  background:#040C12;
  border-top:1px solid var(--line-soft);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand{margin-bottom:18px;}
.footer-brand .brand-main{font-size:19px;}
.footer-about{font-size:14px;color:var(--c-text-dim);line-height:1.8;max-width:320px;}
.footer-contact{margin-top:16px;font-size:13.5px;color:var(--c-text-weak);line-height:1.9;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--c-text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:var(--c-text-dim);
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.footer-sub p{font-size:13.5px;color:var(--c-text-dim);margin-bottom:14px;}
.footer-sub .sub-form input{height:44px;font-size:14px;}
.footer-sub .btn{padding:12px 20px;font-size:14px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:16px 32px;
  align-items:center;
  justify-content:space-between;
  padding:22px 0 26px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--c-text-weak);
}
.footer-bottom .policy{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom .policy a{color:var(--c-text-weak);transition:color var(--ease);}
.footer-bottom .policy a:hover{color:var(--c-primary);}
/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{padding-left:32px;padding-right:32px;}
  .nav-desktop{gap:2px;}
  .nav-link{font-size:13.5px;padding:8px 9px;}
  .cat-hero h1{font-size:42px;}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-ghost{display:none;}
  .section{padding:72px 0;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gal-card:nth-child(6n+1) .gal-media,
  .gal-card:nth-child(6n+3) .gal-media,
  .gal-card:nth-child(6n+6) .gal-media{aspect-ratio:4/3;}
  .gal-card:nth-child(6n+5) .gal-media{aspect-ratio:4/3;}
  .feature-grid{grid-template-columns:1fr;}
  .check-wrap{grid-template-columns:1fr;gap:36px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .cat-hero h1{font-size:38px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .header-inner{height:68px;}
  .mobile-panel{inset:68px 0 0 0;}
  .breadcrumb{padding-top:96px;font-size:13px;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:7.6px;}
  .cat-hero{padding:32px 0 28px;}
  .cat-hero h1{font-size:31px;line-height:1.24;}
  .cat-hero p.lead{font-size:15.5px;}
  .hero-meta{gap:16px 22px;margin-top:24px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2,.check-wrap h2,.cta-inner h2{font-size:24px;}
  .gallery{grid-template-columns:1fr;gap:16px;}
  .gal-info{transform:translateY(0);}
  .gal-card:nth-child(n) .gal-media{aspect-ratio:4/3;}
  .feature-body{padding:22px;}
  .feature-body h3{font-size:19px;}
  .stats{grid-template-columns:1fr;margin-top:36px;}
  .stat{border-right:none;border-bottom:1px solid var(--line-soft);}
  .stat:last-child{border-bottom:none;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .footer-bottom{font-size:12.5px;padding:18px 0 24px;}
  .site-footer{padding-top:52px;}
}
@media (max-width:479px){
  .cat-hero h1{font-size:27px;}
  .header-actions .btn-primary{padding:9px 14px;font-size:13px;}
  .check-item{gap:12px;}
  .check-item .idx{width:30px;height:30px;font-size:12px;}
}