/* roulang page: index */
:root{
  --bg-deep:#050A12;
  --bg-base:#07111C;
  --bg-soft:#0B1B2B;
  --brand:#0E4C6E;
  --brand-2:#0F5C7A;
  --accent:#19E3B1;
  --accent-soft:rgba(25,227,177,.14);
  --gold:#F2B84B;
  --gold-soft:rgba(242,184,75,.14);
  --text:#EAF2FF;
  --text-2:#9FB3C8;
  --text-3:#6B8299;
  --border:rgba(255,255,255,.10);
  --border-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.04);
  --glow:rgba(25,227,177,.35);
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-sm:0 10px 30px rgba(0,0,0,.28);
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --container:1240px;
  --section-y:120px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","SF Pro Display","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 12% -6%,rgba(14,76,110,.55),transparent 62%),
    radial-gradient(900px 520px at 92% 8%,rgba(25,227,177,.10),transparent 60%),
    linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-base) 42%,#061020 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.02em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:1rem;}
::selection{background:rgba(25,227,177,.3);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:var(--section-y) 0;position:relative;z-index:1;}
.section--tight{padding:88px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);
  font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);
  padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);border:1px solid rgba(25,227,177,.24);
  margin-bottom:18px;
}
.section-title{font-size:clamp(1.75rem,3.5vw,2.5rem);}
.section-sub{margin-top:16px;color:var(--text-2);font-size:1.0625rem;max-width:680px;}
.section-head.center .section-sub{margin-left:auto;margin-right:auto;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:600;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:.875rem;}
.btn-primary{
  background:linear-gradient(120deg,var(--accent) 0%,#12A98A 48%,var(--brand-2) 100%);
  color:#04140F;
  box-shadow:0 10px 30px rgba(25,227,177,.28),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover,.btn-primary:focus{color:#03100C;transform:translateY(-2px);box-shadow:0 16px 42px var(--glow);}
.btn-ghost{
  background:var(--glass);
  color:var(--text);
  border:1px solid rgba(25,227,177,.42);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(25,227,177,.10);color:var(--accent);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{padding:11px 20px;font-size:.875rem;}
.btn-lg{padding:17px 36px;font-size:1rem;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  border:1px solid rgba(25,227,177,.24);
}
.badge--gold{background:var(--gold-soft);color:var(--gold);border-color:rgba(242,184,75,.28);}

/* 头部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:72px;display:flex;align-items:center;
  background:rgba(5,10,18,.70);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
  transition:height .25s ease,background .25s ease;
}
.site-header.is-scrolled{height:60px;background:rgba(4,8,14,.92);}
.nav-wrap{display:flex;align-items:center;gap:28px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(25,227,177,.22),rgba(14,76,110,.55));
  border:1px solid rgba(25,227,177,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 0 22px rgba(25,227,177,.18);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:1.125rem;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-text span{color:var(--accent);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.main-nav a{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:.9375rem;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:var(--glass);}
.main-nav a.active{color:var(--text);background:var(--glass);}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),rgba(25,227,177,0));
  box-shadow:0 0 12px var(--glow);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:9px;
  padding:8px 10px 8px 13px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  box-shadow:inset 0 2px 10px rgba(0,0,0,.35);
  transition:border-color .22s ease,box-shadow .22s ease;
  width:236px;
}
.command-search:focus-within{border-color:rgba(25,227,177,.6);box-shadow:inset 0 2px 10px rgba(0,0,0,.35),0 0 0 4px rgba(25,227,177,.12);}
.command-search i{color:var(--text-3);font-size:.8125rem;}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:.875rem;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-family:var(--font-num);font-size:.6875rem;color:var(--text-3);
  padding:3px 6px;border-radius:6px;border:1px solid var(--border);background:rgba(255,255,255,.04);
}
.icon-btn{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--border);background:var(--glass);color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--accent);border-color:rgba(25,227,177,.4);background:rgba(25,227,177,.08);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:11px;
  border:1px solid var(--border);background:var(--glass);color:var(--text);
  place-items:center;font-size:1rem;
}
.mobile-drawer{
  position:fixed;top:72px;left:0;right:0;z-index:79;
  background:rgba(6,12,22,.97);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:18px 24px 26px;
  display:none;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .24s ease,transform .24s ease;
}
.mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-drawer a.drawer-link{
  display:block;padding:13px 4px;font-size:1rem;font-weight:500;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-drawer a.drawer-link.active{color:var(--accent);}
.mobile-drawer .drawer-search{margin:16px 0;width:100%;}
.mobile-drawer .btn{margin-top:6px;}

main{padding-top:72px;}

/* Hero */
.hero{
  position:relative;
  padding:96px 0 104px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center right;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,10,18,.96) 0%,rgba(5,10,18,.82) 42%,rgba(5,10,18,.45) 100%),
    radial-gradient(700px 420px at 78% 30%,rgba(25,227,177,.16),transparent 70%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(2.25rem,5vw,3.75rem);margin:20px 0 0;}
.hero h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 34px rgba(25,227,177,.35);}
.hero-sub{margin-top:22px;font-size:1.125rem;color:var(--text-2);max-width:600px;line-height:1.9;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-trust{
  margin-top:44px;display:flex;flex-wrap:wrap;gap:12px 30px;
  padding-top:26px;border-top:1px solid var(--border);
}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:.875rem;color:var(--text-2);}
.hero-trust i{color:var(--accent);font-size:.8125rem;}

.panel-window{
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid var(--border-strong);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.10);
  padding:26px;
}
.panel-bar{display:flex;align-items:center;gap:8px;padding-bottom:16px;border-bottom:1px solid var(--border);}
.panel-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.18);}
.panel-dot.on{background:var(--accent);box-shadow:0 0 10px var(--glow);}
.panel-bar span{margin-left:auto;font-family:var(--font-num);font-size:.75rem;color:var(--text-3);letter-spacing:.08em;}
.panel-title{display:flex;align-items:center;justify-content:space-between;margin:18px 0 14px;}
.panel-title h3{font-size:1rem;font-weight:700;}
.panel-title small{font-size:.75rem;color:var(--text-3);}
.meter{margin-bottom:14px;}
.meter-top{display:flex;justify-content:space-between;font-size:.8125rem;color:var(--text-2);margin-bottom:7px;}
.meter-top b{color:var(--text);font-family:var(--font-num);font-weight:600;}
.meter-track{height:7px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;}
.meter-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),#12A98A);box-shadow:0 0 14px rgba(25,227,177,.4);}
.meter-fill.gold{background:linear-gradient(90deg,var(--gold),#C98F1F);box-shadow:0 0 14px rgba(242,184,75,.35);}
.panel-foot{display:flex;gap:10px;margin-top:20px;}
.mini-stat{
  flex:1;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.045);
  border:1px solid var(--border);
}
.mini-stat b{display:block;font-family:var(--font-num);font-size:1.25rem;color:var(--accent);line-height:1.3;}
.mini-stat span{font-size:.75rem;color:var(--text-3);}

/* 能力区 */
.features-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.sticky-col{position:sticky;top:104px;}
.sticky-col h2{font-size:clamp(1.75rem,3.2vw,2.35rem);}
.sticky-col p{margin-top:18px;color:var(--text-2);}
.sticky-col .btn{margin-top:26px;}
.feature-list{display:flex;flex-direction:column;gap:20px;}
.feature-card{
  display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;
  padding:26px 28px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.45);box-shadow:var(--shadow-sm);}
.feature-card:nth-child(even){margin-left:52px;}
.feature-icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(25,227,177,.20),rgba(14,76,110,.5));
  border:1px solid rgba(25,227,177,.26);color:var(--accent);font-size:1.125rem;
}
.feature-card h3{font-size:1.1875rem;margin-bottom:6px;}
.feature-card p{color:var(--text-2);font-size:.9375rem;}
.feature-metric{text-align:right;font-family:var(--font-num);}
.feature-metric b{display:block;font-size:1.375rem;color:var(--gold);line-height:1.2;}
.feature-metric span{font-size:.75rem;color:var(--text-3);}

/* 演示区 */
.demo-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.demo-tab{
  padding:10px 20px;border-radius:999px;font-size:.875rem;font-weight:600;
  color:var(--text-2);background:var(--glass);border:1px solid var(--border);
  transition:all .22s ease;
}
.demo-tab:hover{color:var(--text);border-color:var(--border-strong);}
.demo-tab.active{background:rgba(25,227,177,.14);color:var(--accent);border-color:rgba(25,227,177,.45);box-shadow:0 0 22px rgba(25,227,177,.16);}
.demo-stage{
  border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--border-strong);backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.demo-frame{display:flex;align-items:center;gap:8px;padding:14px 20px;border-bottom:1px solid var(--border);}
.demo-frame .panel-dot{width:10px;height:10px;}
.demo-frame em{margin-left:12px;font-style:normal;font-size:.8125rem;color:var(--text-3);font-family:var(--font-num);}
.demo-panel{display:none;padding:28px;grid-template-columns:7fr 5fr;gap:34px;align-items:center;}
.demo-panel.active{display:grid;}
.demo-shot{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);}
.demo-shot img{width:100%;height:300px;object-fit:cover;}
.demo-text h3{font-size:1.375rem;margin-bottom:14px;}
.demo-text p{color:var(--text-2);font-size:.9375rem;}
.demo-points{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.demo-points li{display:flex;gap:11px;font-size:.9375rem;color:var(--text-2);}
.demo-points i{color:var(--accent);margin-top:6px;font-size:.75rem;}

/* 证据区 */
.proof-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:52px;
}
.stat-card{
  padding:24px;border-radius:var(--radius);background:var(--glass-2);
  border:1px solid var(--border);text-align:center;
}
.stat-card b{display:block;font-family:var(--font-num);font-size:2rem;color:var(--accent);line-height:1.2;}
.stat-card span{display:block;margin-top:6px;font-size:.8125rem;color:var(--text-3);}
.proof-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:52px;}
.proof-tags span{
  padding:8px 16px;border-radius:999px;font-size:.8125rem;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--border);
}
.proof-flow{columns:3;column-gap:20px;}
.quote-card{
  break-inside:avoid;margin-bottom:20px;padding:24px;
  border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .22s ease,border-color .22s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.4);}
.quote-card p{color:var(--text-2);font-size:.9375rem;}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:18px;}
.avatar{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(25,227,177,.2),rgba(14,76,110,.5));
  color:var(--accent);font-size:.875rem;font-weight:700;font-family:var(--font-num);
}
.quote-who b{display:block;font-size:.875rem;}
.quote-who span{font-size:.75rem;color:var(--text-3);}

/* 价格 */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;padding:34px 30px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(18px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.price-card:hover{transform:translateY(-4px);border-color:var(--border-strong);}
.price-card.featured{
  transform:translateY(-18px);
  background:linear-gradient(165deg,rgba(25,227,177,.12),rgba(14,76,110,.18) 55%,rgba(255,255,255,.04));
  border-color:rgba(25,227,177,.45);
  box-shadow:0 26px 70px rgba(25,227,177,.16),inset 0 1px 0 rgba(255,255,255,.14);
}
.price-card.featured:hover{transform:translateY(-22px);}
.price-flag{
  position:absolute;top:-13px;left:30px;
  padding:5px 14px;border-radius:999px;font-size:.75rem;font-weight:700;
  background:linear-gradient(120deg,var(--gold),#D89A2A);color:#21160A;
}
.price-card h3{font-size:1.25rem;}
.price-card .price-desc{margin-top:10px;font-size:.875rem;color:var(--text-2);min-height:52px;}
.price-value{margin:22px 0 6px;font-family:var(--font-num);display:flex;align-items:baseline;gap:6px;}
.price-value b{font-size:2.25rem;font-weight:700;color:var(--text);line-height:1;}
.price-value span{font-size:.8125rem;color:var(--text-3);}
.price-divider{height:1px;background:var(--border);margin:22px 0;}
.price-list{display:flex;flex-direction:column;gap:12px;flex:1;}
.price-list li{display:flex;gap:10px;font-size:.9375rem;color:var(--text-2);}
.price-list i{color:var(--accent);margin-top:6px;font-size:.75rem;}
.price-card .btn{margin-top:26px;}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.42);box-shadow:var(--shadow-sm);}
.news-cover{
  height:150px;display:block;
  background:linear-gradient(140deg,rgba(14,76,110,.9),rgba(25,227,177,.28) 70%,rgba(11,27,43,.9));
  position:relative;
}
.news-cover::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;
}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:1.0625rem;line-height:1.5;}
.news-body h3 a:hover{color:var(--accent);}
.news-body p{font-size:.875rem;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:.75rem;color:var(--text-3);}
.news-empty{
  grid-column:1/-1;padding:56px 24px;text-align:center;
  border-radius:var(--radius);background:var(--glass-2);border:1px dashed var(--border-strong);
  color:var(--text-2);font-size:.9375rem;
}
.news-empty i{display:block;font-size:1.5rem;color:var(--text-3);margin-bottom:12px;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(16px);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:rgba(25,227,177,.4);background:rgba(25,227,177,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;gap:16px;
  font-size:1rem;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{
  margin-left:auto;color:var(--accent);font-size:.8125rem;
  transition:transform .24s ease;
}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-answer{padding:0 24px 22px;color:var(--text-2);font-size:.9375rem;line-height:1.85;max-width:760px;}

/* CTA */
.cta-band{
  border-radius:var(--radius-lg);padding:56px;
  background:
    radial-gradient(700px 340px at 12% 0%,rgba(25,227,177,.20),transparent 62%),
    linear-gradient(150deg,rgba(14,76,110,.55),rgba(11,27,43,.85));
  border:1px solid rgba(25,227,177,.26);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.10);
  display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;
}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.15rem);}
.cta-band p{margin-top:16px;color:var(--text-2);}
.cta-band .btn{margin-top:28px;}
.cta-form{
  padding:28px;border-radius:var(--radius);background:rgba(4,10,18,.55);
  border:1px solid var(--border);backdrop-filter:blur(16px);
}
.cta-form h3{font-size:1.0625rem;margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.8125rem;color:var(--text-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--border);
  color:var(--text);outline:none;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{min-height:92px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{border-color:rgba(25,227,177,.6);box-shadow:0 0 0 4px rgba(25,227,177,.12);}

/* 页脚 */
.site-footer{
  position:relative;z-index:1;margin-top:24px;
  background:linear-gradient(180deg,rgba(4,9,16,.6),rgba(3,7,13,.96));
  border-top:1px solid var(--border);
  padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:4fr 3fr 3fr 2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{font-size:1.0625rem;}
.footer-about{color:var(--text-2);font-size:.875rem;max-width:320px;}
.footer-col h4{font-size:.875rem;letter-spacing:.06em;color:var(--text);margin-bottom:18px;}
.footer-col a{display:block;font-size:.875rem;color:var(--text-2);padding:6px 0;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:.875rem;color:var(--text-2);padding:6px 0;display:flex;gap:9px;align-items:center;}
.footer-contact i{color:var(--accent);font-size:.8125rem;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:var(--text-3);
}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:linear-gradient(120deg,var(--accent),#12A98A 60%,var(--brand-2));
  color:#04140F;font-weight:700;font-size:.9375rem;
  box-shadow:0 14px 40px rgba(25,227,177,.32);
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-cta:hover{color:#03100C;transform:translateY(-3px);box-shadow:0 20px 52px var(--glow);}

/* 动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* 响应式 */
@media screen and (max-width:1280px){
  :root{--section-y:96px;--container:1120px;}
  .command-search{width:200px;}
}
@media screen and (max-width:1024px){
  :root{--section-y:80px;}
  .main-nav,.command-search{display:none;}
  .menu-toggle{display:grid;}
  .mobile-drawer{display:block;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero{padding:64px 0 76px;}
  .features-grid,.faq-grid{grid-template-columns:1fr;gap:36px;}
  .sticky-col{position:static;}
  .feature-card:nth-child(even){margin-left:0;}
  .demo-panel.active{grid-template-columns:1fr;gap:24px;}
  .proof-stats{grid-template-columns:repeat(2,1fr);}
  .proof-flow{columns:2;}
  .pricing-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:40px;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:768px){
  body{font-size:.9688rem;}
  .container{padding:0 20px;}
  .hero h1{font-size:clamp(2rem,7vw,2.5rem);}
  .section-title{font-size:1.5rem;}
  .feature-card{grid-template-columns:auto 1fr;padding:22px;}
  .feature-metric{grid-column:2;text-align:left;margin-top:6px;}
  .proof-flow{columns:1;}
  .news-grid{grid-template-columns:1fr;}
  .demo-panel.active{padding:20px;}
  .demo-shot img{height:220px;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;justify-content:center;padding:16px;
  }
  .site-footer{padding-bottom:80px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:520px){
  :root{--section-y:60px;}
  .hero{padding:48px 0 60px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-trust{flex-direction:column;gap:12px;}
  .brand-text{font-size:1rem;}
  .proof-stats{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .panel-window{padding:20px;}
}

/* roulang page: article */
:root{
  --bg-0:#050A12;
  --bg-1:#07111C;
  --bg-2:#0B1B2B;
  --brand-1:#0E4C6E;
  --brand-2:#0F5C7A;
  --accent:#19E3B1;
  --gold:#F2B84B;
  --text:#EAF2FF;
  --text-2:#9FB3C8;
  --text-3:#6B8299;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --glow:rgba(25,227,177,.35);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:26px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --container:1240px;
  --pad:24px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --mono:"Inter","SF Pro Display","DIN Alternate",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 10% -8%,rgba(25,227,177,.10),transparent 62%),
    radial-gradient(900px 560px at 92% 2%,rgba(15,92,122,.34),transparent 64%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(1200px 760px at 50% 0%,#000 18%,transparent 78%);
  mask-image:radial-gradient(1200px 760px at 50% 0%,#000 18%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.02em;color:#fff;}
p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(5,10,18,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{background:rgba(4,8,14,.92);box-shadow:0 14px 40px rgba(0,0,0,.45);}
.nav-inner{display:flex;align-items:center;gap:26px;height:70px;}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(145deg,rgba(25,227,177,.16),rgba(15,92,122,.24));
  border:1px solid rgba(25,227,177,.32);
  box-shadow:inset 0 0 20px rgba(25,227,177,.18);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:1.0625rem;font-weight:800;letter-spacing:-.02em;color:#fff;}
.brand-text span{color:var(--accent);}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;
  padding:9px 15px;
  border-radius:10px;
  font-size:.9375rem;
  font-weight:500;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.06);}
.main-nav a.active{color:#fff;background:rgba(25,227,177,.12);box-shadow:inset 0 0 0 1px rgba(25,227,177,.28);}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.cmd-search{
  display:flex;align-items:center;gap:9px;
  width:250px;padding:8px 12px;
  border-radius:12px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cmd-search i{color:var(--text-3);font-size:.8rem;}
.cmd-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:.85rem;}
.cmd-search input::placeholder{color:var(--text-3);}
.cmd-search:focus-within{border-color:rgba(25,227,177,.55);box-shadow:0 0 0 3px rgba(25,227,177,.12);background:rgba(255,255,255,.06);}
.cmd-search kbd{
  font-family:var(--mono);font-size:.6875rem;color:var(--text-3);
  background:rgba(255,255,255,.07);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;white-space:nowrap;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;
  font-size:.9375rem;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#19E3B1,#0F5C7A);color:#04121A;box-shadow:0 10px 28px rgba(25,227,177,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(25,227,177,.42);}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);color:var(--text);}
.btn-ghost:hover{border-color:rgba(25,227,177,.6);background:rgba(25,227,177,.08);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:.875rem;border-radius:10px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;width:42px;height:42px;place-items:center;
  border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:#fff;font-size:1rem;
}
.mobile-nav{display:none;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;
  padding:152px 0 52px;
  background-image:
    linear-gradient(180deg,rgba(5,10,18,.86) 0%,rgba(5,10,18,.95) 58%,var(--bg-0) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero .container{position:relative;z-index:1;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,.2);}
.breadcrumb .current{color:var(--accent);}

.article-title{
  font-size:clamp(1.7rem,3.6vw,2.75rem);
  line-height:1.32;
  max-width:920px;
}

.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:24px;font-size:.8125rem;color:var(--text-3);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item i{color:var(--accent);font-size:.75rem;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:rgba(25,227,177,.12);color:var(--accent);border:1px solid rgba(25,227,177,.28);}
.badge-gold{background:rgba(242,184,75,.12);color:var(--gold);border:1px solid rgba(242,184,75,.3);}

/* ---------- 正文 ---------- */
.article-main{position:relative;z-index:1;padding:0 0 96px;}
.article-shell{max-width:920px;margin:0 auto;}

.article-cover{
  margin:44px 0 12px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/7;object-fit:cover;}

.rich-text{
  padding-top:26px;
  font-size:1.0625rem;
  line-height:1.92;
  color:#D6E3F4;
  word-break:break-word;
}
.rich-text > *:first-child{margin-top:0;}
.rich-text p{margin:0 0 1.3em;}
.rich-text h2{
  position:relative;
  margin:56px 0 20px;
  padding-left:18px;
  font-size:clamp(1.3rem,2.4vw,1.7rem);
  color:#fff;
}
.rich-text h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--accent),var(--brand-2));
  box-shadow:0 0 16px rgba(25,227,177,.6);
}
.rich-text h3{margin:38px 0 14px;font-size:1.1875rem;color:#fff;letter-spacing:-.01em;}
.rich-text h4{margin:30px 0 12px;font-size:1.0625rem;color:#EAF2FF;}
.rich-text ul,.rich-text ol{margin:0 0 1.4em;padding-left:1.25em;}
.rich-text li{margin:.5em 0;}
.rich-text ul li{list-style:disc;}
.rich-text ol li{list-style:decimal;}
.rich-text li::marker{color:var(--accent);}
.rich-text strong{color:#fff;font-weight:700;}
.rich-text blockquote{
  margin:28px 0;
  padding:20px 24px;
  background:var(--glass);
  border-left:3px solid var(--accent);
  border-radius:0 14px 14px 0;
  color:var(--text-2);
}
.rich-text blockquote p:last-child{margin-bottom:0;}
.rich-text img{border-radius:16px;border:1px solid var(--line);margin:26px 0;}
.rich-text a{color:var(--accent);border-bottom:1px solid rgba(25,227,177,.4);transition:border-color .2s ease,color .2s ease;}
.rich-text a:hover{border-bottom-color:var(--accent);color:#7CF3D6;}
.rich-text table{
  width:100%;display:block;overflow-x:auto;
  border-collapse:collapse;margin:26px 0;font-size:.9375rem;
}
.rich-text th,.rich-text td{padding:12px 15px;border:1px solid var(--line);text-align:left;white-space:nowrap;}
.rich-text th{background:rgba(255,255,255,.05);color:#fff;font-weight:700;}
.rich-text tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.rich-text code{
  font-family:var(--mono);font-size:.9em;
  background:rgba(25,227,177,.1);color:#7CF3D6;
  padding:2px 7px;border-radius:6px;
}
.rich-text pre{
  margin:26px 0;padding:20px;overflow-x:auto;
  background:#040A12;border:1px solid var(--line);border-radius:14px;
}
.rich-text pre code{background:none;padding:0;color:#8EF3D8;font-size:.875rem;line-height:1.7;}
.rich-text hr{border:0;border-top:1px solid var(--line);margin:44px 0;}

.article-footnote{
  margin-top:46px;padding-top:22px;border-top:1px dashed var(--line);
  font-size:.8125rem;color:var(--text-3);
}

.empty-state{
  margin-top:44px;
  padding:70px 28px;
  text-align:center;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
}
.empty-state h2{font-size:1.5rem;margin-bottom:14px;}
.empty-state p{color:var(--text-2);font-size:.9375rem;margin-bottom:26px;}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px;position:relative;z-index:1;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{font-size:clamp(1.4rem,2.6vw,1.9rem);}
.section-head p{margin-top:12px;color:var(--text-2);font-size:.9375rem;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.related-card{
  display:block;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.55);box-shadow:0 20px 44px rgba(0,0,0,.42);}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9;}
.rc-body{padding:20px 22px 24px;}
.rc-body h3{font-size:1.0625rem;margin:12px 0 10px;transition:color .2s ease;}
.related-card:hover h3{color:var(--accent);}
.rc-body p{font-size:.875rem;color:var(--text-2);line-height:1.78;}

/* ---------- 结尾行动区 ---------- */
.article-cta{
  max-width:1000px;margin:0 auto;
  padding:44px;
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,rgba(15,92,122,.38),rgba(25,227,177,.08));
  border:1px solid rgba(25,227,177,.22);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.article-cta h2{font-size:clamp(1.25rem,2.2vw,1.6rem);}
.article-cta p{margin-top:10px;color:var(--text-2);font-size:.9375rem;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 浮动入口 ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  background:linear-gradient(135deg,#19E3B1,#0F5C7A);
  color:#04121A;font-weight:700;font-size:.9375rem;
  box-shadow:0 14px 34px rgba(25,227,177,.35);
  transition:transform .2s ease,box-shadow .2s ease;
}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 22px 46px rgba(25,227,177,.5);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:20px;
  padding:74px 0 28px;
  background:linear-gradient(180deg,#040A12,#02060C);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:42px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{font-size:1.0625rem;}
.footer-about{color:var(--text-2);font-size:.875rem;line-height:1.85;max-width:350px;}
.footer-col h4{font-size:.9375rem;color:#fff;margin-bottom:18px;letter-spacing:0;}
.footer-col a{display:block;color:var(--text-2);font-size:.875rem;padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--accent);transform:translateX(3px);}
.footer-contact li{display:flex;align-items:center;gap:9px;color:var(--text-2);font-size:.875rem;padding:6px 0;}
.footer-contact i{color:var(--accent);width:16px;text-align:center;}
.footer-bottom{
  margin-top:54px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .cmd-search{width:196px;}
  .main-nav a{padding:9px 12px;font-size:.9rem;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-right .cmd-search{display:none;}
  .nav-toggle{display:grid;}
  .mobile-nav{
    position:fixed;top:70px;left:0;right:0;z-index:79;
    display:block;
    background:rgba(5,10,18,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:18px 24px 26px;
    transform:translateY(-14px);
    opacity:0;visibility:hidden;
    transition:transform .24s ease,opacity .24s ease,visibility .24s;
  }
  .mobile-nav.open{transform:translateY(0);opacity:1;visibility:visible;}
  .mobile-nav a{
    display:block;padding:13px 14px;border-radius:12px;
    color:var(--text-2);font-size:.9375rem;font-weight:500;
    transition:background .2s ease,color .2s ease;
  }
  .mobile-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
  .mobile-nav .btn{margin-top:12px;color:#04121A;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  :root{--pad:18px;}
  body{padding-bottom:62px;}
  .nav-inner{height:62px;gap:12px;}
  .mobile-nav{top:62px;}
  .article-hero{padding:118px 0 40px;}
  .article-cover{margin-top:30px;border-radius:16px;}
  .rich-text{font-size:1rem;line-height:1.85;}
  .related-grid{grid-template-columns:1fr;}
  .article-cta{padding:30px 24px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;
    justify-content:center;border-radius:0;padding:16px 20px;
    box-shadow:0 -8px 30px rgba(0,0,0,.5);
  }
}
@media (max-width:520px){
  .article-title{font-size:1.5rem;}
  .article-cover img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#050A12;
  --bg-2:#07111C;
  --bg-3:#0B1B2B;
  --brand:#0E4C6E;
  --brand-2:#0F5C7A;
  --accent:#19E3B1;
  --accent-soft:rgba(25,227,177,.14);
  --gold:#F2B84B;
  --gold-soft:rgba(242,184,75,.14);
  --text:#EAF2FF;
  --text-2:#9FB3C8;
  --text-3:#6B8299;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.035);
  --glow:rgba(25,227,177,.35);
  --radius:22px;
  --radius-sm:12px;
  --radius-xs:8px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-lg:0 30px 80px rgba(0,0,0,.45);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","SF Pro Display","DIN Alternate",Arial,sans-serif;
  --section-pad:110px;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(15,92,122,.38), transparent 62%),
    radial-gradient(760px 460px at 92% 6%, rgba(25,227,177,.10), transparent 58%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 46%,var(--bg) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 8%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 8%,transparent 78%);
}

img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--accent);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.28;letter-spacing:-.02em;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}

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

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:rgba(5,10,18,.62);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,10,18,.86);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  height:70px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-wrap{height:60px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
  letter-spacing:-.02em;
}
.brand-mark{
  width:30px;height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:linear-gradient(145deg,rgba(25,227,177,.20),rgba(14,76,110,.35));
  border:1px solid rgba(25,227,177,.32);
  box-shadow:0 0 22px rgba(25,227,177,.18);
}
.brand-mark svg{width:18px;height:18px;}
.brand-text{
  font-size:1.06rem;
  color:var(--text);
  white-space:nowrap;
}
.brand-text span{color:var(--accent);}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
}
.main-nav a{
  font-size:.9rem;
  font-weight:500;
  color:var(--text-2);
  padding:8px 14px;
  border-radius:999px;
  position:relative;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:var(--glass);}
.main-nav a.active{
  color:var(--text);
  background:var(--glass);
  border:1px solid rgba(25,227,177,.34);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-1px;
  transform:translateX(-50%);
  width:22px;height:2px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 12px var(--glow);
}

.nav-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 12px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.command-search:focus-within{
  border-color:rgba(25,227,177,.55);
  box-shadow:0 0 0 3px rgba(25,227,177,.14);
}
.command-search i{color:var(--text-3);font-size:.82rem;}
.command-search input{
  width:150px;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:.85rem;
  outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-family:var(--font-num);
  font-size:.68rem;
  color:var(--text-3);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  background:rgba(255,255,255,.04);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-sm);
  font-size:.92rem;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#03211A;
  background:linear-gradient(135deg,var(--accent) 0%,#12C79C 52%,#1CB08F 100%);
  box-shadow:0 10px 28px rgba(25,227,177,.26);
}
.btn-primary:hover{
  color:#03211A;
  transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(25,227,177,.42);
}
.btn-ghost{
  color:var(--text);
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  color:var(--accent);
  background:rgba(25,227,177,.08);
  border-color:rgba(25,227,177,.48);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 16px;font-size:.85rem;}
.btn-block{width:100%;}

.menu-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text);
  align-items:center;
  justify-content:center;
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:min(320px,86vw);
  z-index:200;
  padding:26px 22px;
  background:rgba(6,13,22,.96);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  transform:translateX(105%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-drawer .close-drawer{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:var(--glass);
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;
}
.mobile-drawer nav{display:flex;flex-direction:column;gap:6px;}
.mobile-drawer nav a{
  padding:11px 14px;
  border-radius:var(--radius-sm);
  font-size:.95rem;
  color:var(--text-2);
  border:1px solid transparent;
}
.mobile-drawer nav a:hover{background:var(--glass);color:var(--text);}
.mobile-drawer nav a.active{
  color:var(--text);
  background:var(--glass);
  border-color:rgba(25,227,177,.34);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 12px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
}
.drawer-search input{width:100%;border:0;background:transparent;color:var(--text);outline:none;font-size:.9rem;}
.overlay{
  position:fixed;inset:0;z-index:190;
  background:rgba(2,6,12,.62);
  backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.overlay.open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,18,.72) 0%,rgba(5,10,18,.88) 62%,var(--bg) 100%),
    radial-gradient(680px 420px at 78% 30%,rgba(25,227,177,.16),transparent 68%);
}
.hero .container{position:relative;z-index:3;}

.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:.82rem;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--text-2);}

.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(25,227,177,.30);
}
.badge-gold{color:var(--gold);background:var(--gold-soft);border-color:rgba(242,184,75,.30);}

.hero h1{
  font-size:clamp(2.15rem,4.6vw,3.5rem);
  margin:20px 0 18px;
  max-width:16em;
}
.hero h1 em{
  font-style:normal;
  color:var(--accent);
  text-shadow:0 0 26px rgba(25,227,177,.30);
}
.hero-sub{
  max-width:660px;
  color:var(--text-2);
  font-size:1.06rem;
  line-height:1.9;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-bottom:44px;
}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  max-width:760px;
}
.stat-card{
  padding:20px 22px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
}
.stat-card .num{
  font-family:var(--font-num);
  font-size:1.6rem;
  font-weight:700;
  color:var(--accent);
  line-height:1.1;
}
.stat-card .label{
  display:block;
  margin-top:6px;
  font-size:.82rem;
  color:var(--text-2);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-pad) 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(11,27,43,.55) 0%,rgba(5,10,18,0) 100%);}
.section-head{max-width:720px;margin-bottom:46px;}
.section-head h2{
  font-size:clamp(1.7rem,3.3vw,2.4rem);
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:1rem;margin:0;}
.eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-size:.76rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:12px;
}

/* ---------- 主体两栏 ---------- */
.layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:44px;align-items:start;}

.side-nav{
  position:sticky;
  top:100px;
  padding:24px;
  border-radius:var(--radius);
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.side-nav h3{
  font-size:.86rem;
  letter-spacing:.06em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:14px;
}
.side-nav ol{display:flex;flex-direction:column;gap:2px;counter-reset:side;}
.side-nav a{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:9px 10px;
  border-radius:10px;
  font-size:.9rem;
  color:var(--text-2);
  border-left:2px solid transparent;
}
.side-nav a:hover{
  color:var(--text);
  background:rgba(25,227,177,.07);
  border-left-color:var(--accent);
}
.side-nav .side-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:.82rem;
  color:var(--text-3);
  line-height:1.7;
}

.lead-block{
  padding:26px 28px;
  border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(14,76,110,.30),rgba(255,255,255,.04));
  border:1px solid var(--line);
  margin-bottom:34px;
}
.lead-block p{color:var(--text-2);margin-bottom:.9em;}
.lead-block p:last-child{margin-bottom:0;}
.lead-block strong{color:var(--text);}

/* 环节卡片 */
.entry-list{display:flex;flex-direction:column;gap:20px;}
.entry-card{
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  gap:0;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(25,227,177,.42);
  box-shadow:var(--shadow),0 0 0 1px rgba(25,227,177,.14);
}
.entry-cover{
  position:relative;
  display:block;
  min-height:180px;
  overflow:hidden;
}
.entry-cover img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.92) brightness(.86);
  transition:transform .4s ease;
}
.entry-card:hover .entry-cover img{transform:scale(1.05);}
.entry-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,10,18,.10),rgba(5,10,18,.72));
}
.entry-body{padding:24px 26px;}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.tag{
  font-size:.74rem;
  font-weight:600;
  padding:3px 10px;
  border-radius:999px;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(25,227,177,.24);
}
.tag-gold{color:var(--gold);background:var(--gold-soft);border-color:rgba(242,184,75,.24);}
.tag-plain{color:var(--text-2);background:rgba(255,255,255,.05);border-color:var(--line);}
.entry-body h3{font-size:1.24rem;margin-bottom:10px;}
.entry-body > p{color:var(--text-2);font-size:.95rem;margin-bottom:14px;}
.entry-points{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.entry-points li{
  position:relative;
  padding-left:20px;
  font-size:.9rem;
  color:var(--text-2);
}
.entry-points li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px var(--glow);
}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.88rem;font-weight:600;
  color:var(--accent);
}
.link-more:hover{gap:11px;color:var(--accent);}

/* 时间轴 */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  counter-reset:step;
  position:relative;
}
.timeline-item{
  counter-increment:step;
  padding:26px 22px;
  border-radius:var(--radius);
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  position:relative;
  transition:transform .22s ease,border-color .22s ease;
}
.timeline-item:hover{
  transform:translateY(-4px);
  border-color:rgba(25,227,177,.40);
}
.timeline-item::before{
  content:"0" counter(step);
  font-family:var(--font-num);
  font-size:1.5rem;
  font-weight:700;
  color:var(--accent);
  display:block;
  margin-bottom:14px;
  opacity:.9;
}
.timeline-item h3{font-size:1.06rem;margin-bottom:10px;}
.timeline-item p{font-size:.9rem;color:var(--text-2);margin:0;}

/* 角色区 */
.role-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.role-card{
  border-radius:var(--radius);
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  padding:28px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.role-card:hover{
  transform:translateY(-4px);
  border-color:rgba(25,227,177,.40);
  box-shadow:var(--shadow);
}
.role-card h3{font-size:1.15rem;margin-bottom:12px;}
.role-card p{color:var(--text-2);font-size:.93rem;margin-bottom:0;}
.role-card .role-icon{
  width:42px;height:42px;
  border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-soft);
  border:1px solid rgba(25,227,177,.28);
  color:var(--accent);
  margin-bottom:16px;
}
.role-a{grid-column:span 7;}
.role-b{grid-column:span 5;}
.role-c{grid-column:span 5;}
.role-d{grid-column:span 7;}
.role-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  position:relative;
  min-height:220px;
}
.role-media img{width:100%;height:100%;object-fit:cover;filter:brightness(.85) saturate(.92);}

/* FAQ */
.faq-wrap{max-width:840px;}
.faq-item{
  border-radius:var(--radius-sm);
  background:var(--glass-2);
  border:1px solid var(--line);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:rgba(25,227,177,.38);background:rgba(25,227,177,.05);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  font-size:1rem;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:.72rem;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item[open] summary .chev{
  transform:rotate(135deg);
  color:var(--accent);
  border-color:rgba(25,227,177,.45);
}
.faq-body{
  padding:0 22px 20px;
  color:var(--text-2);
  font-size:.94rem;
  line-height:1.85;
  max-width:760px;
}

/* CTA */
.cta-band{
  border-radius:28px;
  padding:54px 46px;
  background:
    radial-gradient(620px 300px at 82% 12%,rgba(25,227,177,.20),transparent 66%),
    linear-gradient(135deg,rgba(14,76,110,.55),rgba(11,27,43,.72));
  border:1px solid rgba(25,227,177,.24);
  box-shadow:var(--shadow-lg);
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
}
.cta-band h2{font-size:clamp(1.55rem,3vw,2.15rem);margin-bottom:14px;}
.cta-band p{color:var(--text-2);margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* 浮动 CTA */
.float-cta{
  position:fixed;
  right:26px;
  bottom:26px;
  z-index:110;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:13px 22px;
  border-radius:999px;
  font-size:.9rem;
  font-weight:600;
  color:#03211A;
  background:linear-gradient(135deg,var(--accent),#12C79C);
  box-shadow:0 14px 40px rgba(25,227,177,.35);
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-cta:hover{color:#03211A;transform:translateY(-3px);box-shadow:0 20px 48px rgba(25,227,177,.48);}

/* 页脚 */
.site-footer{
  margin-top:40px;
  padding:64px 0 30px;
  background:rgba(4,8,14,.92);
  border-top:1px solid var(--line);
  position:relative;
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:38px;
  padding-bottom:38px;
  border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;}
.footer-about{
  color:var(--text-3);
  font-size:.9rem;
  line-height:1.85;
  max-width:380px;
  margin:0;
}
.footer-col h4{
  font-size:.92rem;
  color:var(--text);
  margin-bottom:16px;
  font-weight:650;
}
.footer-col a{
  display:block;
  font-size:.89rem;
  color:var(--text-3);
  padding:5px 0;
}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;align-items:center;gap:9px;
  font-size:.89rem;
  color:var(--text-3);
  padding:5px 0;
}
.footer-contact i{color:var(--accent);font-size:.82rem;width:16px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  font-size:.82rem;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  :root{--section-pad:88px;}
  .main-nav{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .layout{grid-template-columns:1fr;gap:30px;}
  .side-nav{position:relative;top:0;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .role-a,.role-b,.role-c,.role-d{grid-column:span 12;}
  .cta-band{grid-template-columns:1fr;padding:42px 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:768px){
  :root{--section-pad:64px;}
  .hero{padding:126px 0 64px;}
  .entry-card{grid-template-columns:1fr;}
  .entry-cover{min-height:190px;}
  .hero-stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .nav-tools .btn-sm{display:none;}
  .container{padding:0 18px;}
}

@media (max-width:520px){
  :root{--section-pad:52px;}
  body{font-size:15.5px;line-height:1.8;}
  .hero h1{font-size:2rem;}
  .hero-sub{font-size:.96rem;}
  .timeline{grid-template-columns:1fr;}
  .btn{padding:11px 18px;font-size:.88rem;}
  .hero-actions .btn{width:100%;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .entry-body{padding:20px 18px;}
  .float-cta{
    right:0;left:0;bottom:0;
    border-radius:16px 16px 0 0;
    justify-content:center;
    padding:14px 20px;
  }
  body{padding-bottom:62px;}
  .site-footer{padding-bottom:80px;}
}

/* roulang page: category2 */
:root{
  --bg:#050A12;
  --bg-2:#07111C;
  --bg-3:#0B1B2B;
  --primary:#0E4C6E;
  --primary-2:#0F5C7A;
  --accent:#19E3B1;
  --gold:#F2B84B;
  --text:#EAF2FF;
  --text-2:#9FB3C8;
  --text-3:#6B8299;
  --border:rgba(255,255,255,0.10);
  --border-strong:rgba(25,227,177,0.45);
  --glass:rgba(255,255,255,0.06);
  --glow:rgba(25,227,177,0.35);
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow:0 20px 60px rgba(0,0,0,0.35);
  --shadow-hover:0 30px 76px rgba(0,0,0,0.48);
  --container:1240px;
  --transition:220ms ease;
  --header-h:72px;
  --section-y:112px;
}

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

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

body{
  margin:0;
  padding-top:var(--header-h);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(25,227,177,0.10), transparent 62%),
    radial-gradient(820px 480px at 92% 6%, rgba(15,92,122,0.35), transparent 66%),
    linear-gradient(180deg,#050A12 0%,#07111C 44%,#050A12 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.028) 1px,transparent 1px);
  background-size:72px 72px;
}

img{max-width:100%;height:auto;display:block;border-radius:var(--radius-lg);}
a{color:inherit;text-decoration:none;transition:color var(--transition),border-color var(--transition),background var(--transition);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-0.02em;color:var(--text);}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem);}
h2{font-size:clamp(1.65rem,3.2vw,2.4rem);}
h3{font-size:clamp(1.15rem,1.9vw,1.4rem);font-weight:700;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}

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

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:1;
}

/* ================= HEADER ================= */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:rgba(6,13,22,0.78);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  transition:height var(--transition),background var(--transition),box-shadow var(--transition);
}
.site-header.scrolled{
  height:60px;
  background:rgba(5,10,18,0.92);
  box-shadow:0 14px 40px rgba(0,0,0,0.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  width:100%;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:linear-gradient(140deg,rgba(25,227,177,0.22),rgba(15,92,122,0.32));
  border:1px solid rgba(25,227,177,0.32);
  box-shadow:0 0 22px rgba(25,227,177,0.22);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-size:1.05rem;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--text);
}
.brand-text span{color:var(--accent);}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:6px;
}
.main-nav a{
  position:relative;
  padding:9px 15px;
  border-radius:10px;
  font-size:0.92rem;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
}
.main-nav a:hover{
  color:var(--text);
  background:var(--glass);
}
.main-nav a.active{
  color:var(--text);
  background:rgba(25,227,177,0.10);
  border:1px solid rgba(25,227,177,0.30);
  box-shadow:0 0 20px rgba(25,227,177,0.14) inset;
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:2px;
  width:20px;height:2px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 10px var(--glow);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.command-search{
  display:flex;
  align-items:center;
  gap:9px;
  padding:0 10px 0 13px;
  height:40px;
  min-width:236px;
  border-radius:12px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.06);
  transition:border-color var(--transition),box-shadow var(--transition);
}
.command-search:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(25,227,177,0.16),inset 0 1px 0 rgba(255,255,255,0.08);
}
.command-search i{color:var(--text-3);font-size:0.85rem;}
.command-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:0.88rem;
  height:100%;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-family:inherit;
  font-size:0.7rem;
  padding:2px 6px;
  border-radius:6px;
  color:var(--text-3);
  background:rgba(255,255,255,0.07);
  border:1px solid var(--border);
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border);
  color:var(--text-2);
  cursor:pointer;
  transition:all var(--transition);
}
.icon-btn:hover{
  color:var(--accent);
  border-color:var(--border-strong);
  transform:translateY(-2px);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border);
  color:var(--text);
  cursor:pointer;
}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 26px;
  border-radius:12px;
  font-size:0.95rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all var(--transition);
  white-space:nowrap;
}
.btn-primary{
  color:#04231B;
  background:linear-gradient(120deg,var(--accent) 0%,#38F0C4 48%,#0F5C7A 100%);
  box-shadow:0 12px 34px rgba(25,227,177,0.30),inset 0 1px 0 rgba(255,255,255,0.35);
}
.btn-primary:hover{
  color:#04231B;
  transform:translateY(-2px);
  box-shadow:0 18px 44px rgba(25,227,177,0.48),inset 0 1px 0 rgba(255,255,255,0.4);
  filter:brightness(1.06);
}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,0.04);
  border-color:rgba(25,227,177,0.42);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  color:var(--accent);
  background:rgba(25,227,177,0.08);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 18px;font-size:0.88rem;border-radius:11px;}
.btn-block{width:100%;}

/* mobile drawer */
.mobile-drawer{
  display:none;
  position:absolute;
  top:100%;left:0;right:0;
  padding:18px 24px 26px;
  background:rgba(6,13,22,0.98);
  backdrop-filter:blur(22px);
  border-bottom:1px solid var(--border);
  box-shadow:0 26px 60px rgba(0,0,0,0.55);
}
.mobile-drawer.open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.mobile-drawer nav a{
  padding:12px 14px;
  border-radius:12px;
  color:var(--text-2);
  font-size:0.95rem;
  border:1px solid transparent;
}
.mobile-drawer nav a.active{
  color:var(--text);
  background:rgba(25,227,177,0.10);
  border-color:rgba(25,227,177,0.30);
}
.mobile-drawer .command-search{min-width:0;width:100%;margin-bottom:14px;}

/* ================= HERO ================= */
.cat-hero{
  position:relative;
  padding:96px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
  background-image:
    linear-gradient(180deg,rgba(5,10,18,0.82) 0%,rgba(7,17,28,0.92) 62%,rgba(5,10,18,0.98) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(760px 420px at 50% 0%,rgba(25,227,177,0.14),transparent 68%);
  pointer-events:none;
}
.cat-hero .container{text-align:center;}
.breadcrumb{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:9px;
  font-size:0.82rem;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,0.20);}
.breadcrumb .current{color:var(--accent);}

.cat-hero h1{
  max-width:900px;
  margin:0 auto 20px;
  background:linear-gradient(120deg,#F4FBFF 8%,#B9F5E4 52%,#7FE9CE 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:760px;
  margin:0 auto 34px;
  font-size:1.06rem;
  color:var(--text-2);
  line-height:1.9;
}
.hero-actions{
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  max-width:940px;
  margin:0 auto;
}
.stat-item{
  padding:20px 16px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08);
  transition:all var(--transition);
}
.stat-item:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
}
.stat-num{
  font-size:1.7rem;
  font-weight:800;
  color:var(--accent);
  letter-spacing:-0.02em;
  line-height:1.2;
}
.stat-label{
  font-size:0.82rem;
  color:var(--text-3);
  margin-top:6px;
}

/* ================= SECTIONS ================= */
.section{padding:var(--section-y) 0;position:relative;}
.section-tight{padding:76px 0;}
.section-head{
  max-width:760px;
  margin-bottom:52px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:0.76rem;
  font-weight:600;
  letter-spacing:0.04em;
  color:var(--accent);
  background:rgba(25,227,177,0.10);
  border:1px solid rgba(25,227,177,0.26);
  margin-bottom:18px;
}
.section-head p{
  margin-top:16px;
  color:var(--text-2);
  font-size:1rem;
}

/* alternating rows */
.row-block{
  align-items:center;
  margin-bottom:76px;
}
.row-block:last-child{margin-bottom:0;}
.row-media{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  background:var(--bg-3);
}
.row-media img{width:100%;border-radius:0;aspect-ratio:16/10;object-fit:cover;}
.row-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,0.10) 0%,rgba(5,10,18,0.66) 100%);
  pointer-events:none;
}
.row-tag{
  position:absolute;
  left:20px;
  bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  font-size:0.78rem;
  font-weight:600;
  color:#04231B;
  background:linear-gradient(120deg,var(--accent),#42EFC6);
  box-shadow:0 10px 26px rgba(25,227,177,0.32);
}
.row-copy{padding:6px 0;}
.row-index{
  font-size:0.82rem;
  font-weight:700;
  letter-spacing:0.16em;
  color:var(--gold);
  margin-bottom:14px;
  display:block;
}
.row-copy h3{
  font-size:clamp(1.35rem,2.3vw,1.8rem);
  margin-bottom:16px;
}
.row-copy p{color:var(--text-2);}
.mini-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.mini-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:0.93rem;
  color:var(--text-2);
  padding:13px 16px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,0.035);
  border:1px solid var(--border);
  transition:all var(--transition);
}
.mini-list li:hover{
  border-color:var(--border-strong);
  background:rgba(25,227,177,0.06);
  color:var(--text);
}
.mini-list i{
  color:var(--accent);
  font-size:0.8rem;
  margin-top:7px;
  flex:0 0 auto;
}

/* capability grid */
.grid-cap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.cap-card{
  padding:28px 26px;
  border-radius:var(--radius-xl);
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,0.08);
  transition:all var(--transition);
  height:100%;
}
.cap-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-hover),inset 0 1px 0 rgba(255,255,255,0.10);
}
.cap-icon{
  width:46px;height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:13px;
  margin-bottom:18px;
  color:var(--accent);
  font-size:1.05rem;
  background:rgba(25,227,177,0.10);
  border:1px solid rgba(25,227,177,0.26);
}
.cap-card h3{font-size:1.1rem;margin-bottom:10px;}
.cap-card p{color:var(--text-2);font-size:0.92rem;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:0.74rem;
  padding:4px 11px;
  border-radius:999px;
  color:var(--text-2);
  background:rgba(255,255,255,0.06);
  border:1px solid var(--border);
}
.tag.gold{color:var(--gold);border-color:rgba(242,184,75,0.36);background:rgba(242,184,75,0.10);}
.tag.mint{color:var(--accent);border-color:rgba(25,227,177,0.30);background:rgba(25,227,177,0.10);}

/* steps */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  position:relative;
}
.step-card{
  padding:28px 24px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,0.045);
  border:1px solid var(--border);
  backdrop-filter:blur(16px);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.step-card::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:100%;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
  opacity:0.5;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  background:rgba(25,227,177,0.06);
}
.step-num{
  font-size:1.5rem;
  font-weight:800;
  color:rgba(25,227,177,0.7);
  letter-spacing:-0.03em;
  margin-bottom:12px;
}
.step-card h3{font-size:1.02rem;margin-bottom:10px;}
.step-card p{color:var(--text-2);font-size:0.9rem;margin:0;}

/* FAQ */
.faq-layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:56px;
  align-items:start;
}
.faq-intro{position:sticky;top:100px;}
.faq-intro h2{margin-bottom:16px;}
.faq-intro p{color:var(--text-2);margin-bottom:24px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(16px);
  overflow:hidden;
  transition:border-color var(--transition),background var(--transition);
}
.faq-item[open]{
  border-color:rgba(25,227,177,0.34);
  background:rgba(25,227,177,0.05);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:0.98rem;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  border-radius:6px;
  border:1px solid rgba(25,227,177,0.36);
  transition:transform var(--transition),background var(--transition);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:9px;height:1.5px;
  background:var(--accent);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform var(--transition),opacity var(--transition);}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(25,227,177,0.14);}
.faq-item[open] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(0deg);}
.faq-body{
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:0.93rem;
  line-height:1.85;
  max-width:760px;
  animation:fadeIn 260ms ease;
}
.faq-body p:last-child{margin-bottom:0;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

/* CTA */
.cta-section{padding:0 0 var(--section-y);}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:60px 56px;
  background:
    radial-gradient(600px 300px at 12% 0%,rgba(25,227,177,0.20),transparent 62%),
    linear-gradient(120deg,rgba(14,76,110,0.55) 0%,rgba(11,27,43,0.92) 100%);
  border:1px solid rgba(25,227,177,0.24);
  box-shadow:var(--shadow);
  backdrop-filter:blur(20px);
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(25,227,177,0.24),transparent 70%);
  pointer-events:none;
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:1;
}
.cta-copy h2{margin-bottom:16px;}
.cta-copy p{color:var(--text-2);margin-bottom:26px;}
.cta-points{display:flex;flex-direction:column;gap:11px;margin-bottom:28px;}
.cta-points li{display:flex;gap:11px;align-items:flex-start;color:var(--text-2);font-size:0.92rem;}
.cta-points i{color:var(--accent);margin-top:6px;font-size:0.78rem;}
.cta-form{
  padding:30px 28px;
  border-radius:var(--radius-xl);
  background:rgba(5,10,18,0.55);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
}
.cta-form h3{font-size:1.08rem;margin-bottom:6px;}
.form-hint{font-size:0.84rem;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:0.83rem;
  color:var(--text-2);
  margin-bottom:7px;
}
.field input,
.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  color:var(--text);
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border);
  outline:none;
  font-size:0.92rem;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field textarea:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(25,227,177,0.16);
}
.field textarea{resize:vertical;min-height:96px;}

/* floating CTA */
.float-cta{
  position:fixed;
  right:26px;
  bottom:26px;
  z-index:150;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 22px;
  border-radius:999px;
  font-size:0.9rem;
  font-weight:600;
  color:#04231B;
  background:linear-gradient(120deg,var(--accent),#38F0C4);
  box-shadow:0 16px 40px rgba(25,227,177,0.34);
  transition:all var(--transition);
}
.float-cta:hover{
  color:#04231B;
  transform:translateY(-3px);
  box-shadow:0 22px 52px rgba(25,227,177,0.50);
}

/* ================= FOOTER ================= */
.site-footer{
  position:relative;
  z-index:1;
  background:linear-gradient(180deg,rgba(5,10,18,0.85),rgba(3,7,13,0.98));
  border-top:1px solid var(--border);
  padding:72px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid var(--border);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:18px;
}
.footer-about{
  color:var(--text-2);
  font-size:0.9rem;
  max-width:360px;
  line-height:1.85;
}
.footer-col h4{
  font-size:0.92rem;
  font-weight:700;
  margin-bottom:18px;
  color:var(--text);
}
.footer-col a{
  display:block;
  font-size:0.9rem;
  color:var(--text-2);
  padding:6px 0;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.9rem;
  color:var(--text-2);
  padding:6px 0;
}
.footer-contact i{color:var(--accent);width:16px;text-align:center;font-size:0.85rem;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding-top:24px;
  font-size:0.82rem;
  color:var(--text-3);
  flex-wrap:wrap;
}

/* ================= RESPONSIVE ================= */
@media screen and (max-width:1279px){
  :root{--section-y:96px;}
  .command-search{min-width:190px;}
}

@media screen and (max-width:1023px){
  :root{--section-y:80px;--header-h:66px;}
  .main-nav{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-cap{grid-template-columns:repeat(2,1fr);}
  .steps-wrap{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:34px;}
  .faq-intro{position:static;}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cat-hero{padding:76px 0 66px;}
}

@media screen and (max-width:767px){
  :root{--section-y:64px;}
  .container{padding-left:18px;padding-right:18px;}
  .row-block{margin-bottom:56px;}
  .row-media{margin-bottom:24px;}
  .grid-cap{grid-template-columns:1fr;}
  .steps-wrap{grid-template-columns:1fr;}
  .cta-panel{padding:38px 22px;border-radius:22px;}
  .hero-actions .btn{width:100%;}
  .float-cta{
    right:0;left:0;bottom:0;
    border-radius:0;
    justify-content:center;
    padding:15px 18px;
    font-size:0.92rem;
  }
  body{padding-bottom:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media screen and (max-width:519px){
  h1{font-size:2.05rem;}
  h2{font-size:1.55rem;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-num{font-size:1.4rem;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:36px;}
  .faq-item summary{padding:17px 18px;font-size:0.93rem;}
  .faq-body{padding:0 18px 18px;}
  .cap-card{padding:24px 20px;}
  .step-card{padding:24px 20px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#050A12;
  --bg-1:#07111C;
  --bg-2:#0B1B2B;
  --brand:#0E4C6E;
  --brand-2:#0F5C7A;
  --mint:#19E3B1;
  --gold:#F2B84B;
  --text:#EAF2FF;
  --text-2:#9FB3C8;
  --text-3:#6B8299;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(25,227,177,.45);
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.04);
  --glow:rgba(25,227,177,.35);
  --radius-xl:26px;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --container:1240px;
  --ease:220ms ease;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(1100px 560px at 12% -8%, rgba(15,92,122,.42), transparent 62%),
    radial-gradient(880px 480px at 92% 2%, rgba(25,227,177,.14), transparent 62%),
    linear-gradient(180deg,#050A12 0%,#07111C 45%,#050A12 100%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
}

img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--mint);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.02em;color:var(--text);}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem);}
h3{font-size:clamp(1.1rem,1.7vw,1.35rem);}
p{margin:0;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}

.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--mint);color:#04121A;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;
}
.skip-link:focus{left:0;}

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

.section{padding:104px 0;}
.section-tight{padding:80px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mint);
  margin-bottom:16px;
  font-weight:600;
}
.section-head h2{margin-bottom:16px;}
.section-head p{color:var(--text-2);font-size:1.02rem;line-height:1.85;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:4px 12px;border-radius:999px;
  background:rgba(25,227,177,.12);
  border:1px solid rgba(25,227,177,.35);
  color:var(--mint);
  letter-spacing:.02em;
}
.badge-gold{
  background:rgba(242,184,75,.12);
  border-color:rgba(242,184,75,.38);
  color:var(--gold);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,10,18,.78);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-shrink{background:rgba(4,9,16,.92);border-color:rgba(255,255,255,.14);}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:70px;
  transition:height var(--ease);
}
.site-header.is-shrink .header-inner{height:58px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:rgba(25,227,177,.10);
  border:1px solid rgba(25,227,177,.28);
  box-shadow:0 0 18px rgba(25,227,177,.20);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:1.06rem;font-weight:800;letter-spacing:-.02em;color:var(--text);}
.brand-text span{color:var(--mint);}

.nav-wrap{
  flex:1;
  display:flex;
  justify-content:center;
  align-items:center;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  padding:9px 14px;
  border-radius:10px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.main-nav a:hover{color:var(--text);background:var(--glass-2);}
.main-nav a.active{
  color:var(--text);
  background:var(--glass);
  border:1px solid var(--line);
}
.main-nav a.active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--mint),rgba(25,227,177,0));
}
.drawer-extra{display:none;}

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

.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:230px;
  padding:0 12px;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color var(--ease),box-shadow var(--ease),width var(--ease);
}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search input{
  flex:1;min-width:0;
  background:transparent;border:0;outline:none;
  color:var(--text);font-size:13.5px;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;
  padding:1px 5px;background:rgba(255,255,255,.04);
}
.command-search:focus-within{
  border-color:rgba(25,227,177,.6);
  box-shadow:0 0 0 3px rgba(25,227,177,.12);
}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(25,227,177,.08);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  border-radius:12px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,#19E3B1 0%,#0F5C7A 100%);
  color:#04121A;
  box-shadow:0 8px 26px rgba(25,227,177,.28);
}
.btn-primary:hover{
  color:#04121A;
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 14px 36px rgba(25,227,177,.42);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(25,227,177,.45);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(25,227,177,.10);
  color:var(--text);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;padding:78px 0 96px;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.26;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.55) 0%,rgba(5,10,18,.86) 60%,rgba(5,10,18,.98) 100%);
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .current{color:var(--mint);}
.hero h1{margin:18px 0 18px;max-width:20em;}
.hero-sub{
  font-size:clamp(1rem,1.5vw,1.14rem);
  color:var(--text-2);
  max-width:44em;
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:38px;
  margin-top:52px;padding-top:30px;
  border-top:1px solid var(--line);
}
.hero-stats li{min-width:150px;}
.stat-value{
  display:block;
  font-size:1.5rem;font-weight:800;
  color:var(--mint);
  letter-spacing:-.02em;
  line-height:1.3;
}
.stat-label{font-size:13.5px;color:var(--text-3);}

.glass-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
  padding:22px;
}
.hero-panel{margin-top:12px;}
.hero-panel img{
  width:100%;border-radius:var(--radius);
  border:1px solid var(--line);
  margin-bottom:18px;
  aspect-ratio:16/9;object-fit:cover;
}
.panel-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text-2);
  padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.panel-list li:last-child{border-bottom:0;}
.panel-list i{color:var(--mint);margin-top:5px;font-size:12px;}

/* ---------- tag cloud ---------- */
.tag-cloud{
  display:flex;flex-wrap:wrap;gap:12px;
}
.tag-cloud li a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  background:var(--glass-2);
  border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),color var(--ease),background var(--ease);
}
.tag-cloud li a:hover{
  transform:translateY(-3px);
  color:var(--text);
  border-color:var(--line-strong);
  background:rgba(25,227,177,.10);
}
.tag-cloud li a i{font-size:12px;color:var(--mint);}

/* ---------- asymmetric grid ---------- */
.grid-asym{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:22px;
}
.cap-card{
  grid-column:span 2;
  position:relative;
  padding:26px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.cap-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.45),0 0 0 1px rgba(25,227,177,.16) inset;
}
.cap-card--wide{grid-column:span 4;}
.cap-card--half{grid-column:span 3;}
.cap-card h3{margin:16px 0 10px;}
.cap-card p{font-size:14.6px;color:var(--text-2);line-height:1.85;}
.cap-icon{
  width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(25,227,177,.10);
  border:1px solid rgba(25,227,177,.28);
  color:var(--mint);font-size:16px;
}
.cap-media{
  display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center;
}
.cap-media img{
  width:100%;border-radius:var(--radius);
  border:1px solid var(--line);
  aspect-ratio:16/10;object-fit:cover;
}
.cap-points{margin-top:16px;}
.cap-points li{
  font-size:14px;color:var(--text-2);
  padding:6px 0 6px 20px;position:relative;
}
.cap-points li::before{
  content:"";position:absolute;left:0;top:15px;
  width:8px;height:8px;border-radius:50%;
  background:var(--mint);box-shadow:0 0 12px var(--glow);
}

/* ---------- timeline ---------- */
.timeline-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
  padding-top:20px;
}
.timeline-track::before{
  content:"";
  position:absolute;top:29px;left:8px;right:8px;height:1px;
  background:linear-gradient(90deg,rgba(25,227,177,.55),rgba(255,255,255,.10));
}
.tl-item{position:relative;padding-top:56px;}
.tl-dot{
  position:absolute;top:20px;left:0;
  width:18px;height:18px;border-radius:50%;
  background:var(--bg-1);
  border:2px solid var(--mint);
  box-shadow:0 0 16px var(--glow);
}
.tl-index{
  font-size:12.5px;font-weight:700;color:var(--gold);
  letter-spacing:.14em;display:block;margin-bottom:8px;
}
.tl-item h3{font-size:1.06rem;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- scene rows ---------- */
.scene-row{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
  padding:36px 0;
}
.scene-row+.scene-row{border-top:1px solid var(--line);}
.scene-row.reverse .scene-media{order:2;}
.scene-media img{
  width:100%;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;object-fit:cover;
}
.scene-body h3{margin:14px 0 14px;font-size:clamp(1.2rem,2vw,1.6rem);}
.scene-body p{color:var(--text-2);font-size:15.4px;line-height:1.9;}
.scene-list{margin-top:20px;display:grid;gap:10px;}
.scene-list li{
  font-size:14.4px;color:var(--text-2);
  padding-left:22px;position:relative;
}
.scene-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;font-size:11px;color:var(--mint);
}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(25,227,177,.05);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  font-size:1.02rem;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(25,227,177,.4);
  color:var(--mint);font-size:12px;
  transition:transform var(--ease),background var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(25,227,177,.14);}
.faq-body{
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.95;
  animation:fadeIn 260ms ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- cta ---------- */
.cta-card{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  padding:48px;
  border-radius:var(--radius-xl);
  background:linear-gradient(140deg,rgba(25,227,177,.10),rgba(255,255,255,.05) 45%,rgba(255,255,255,.03));
  border:1px solid rgba(25,227,177,.24);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.cta-card h2{margin:16px 0 16px;}
.cta-card .cta-desc{color:var(--text-2);font-size:15.4px;line-height:1.9;}
.cta-points{margin-top:24px;display:grid;gap:10px;}
.cta-points li{
  font-size:14.4px;color:var(--text-2);
  padding-left:20px;position:relative;
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:14px;
  width:8px;height:8px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 10px rgba(242,184,75,.6);
}
.form-card{
  background:rgba(5,10,18,.45);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:13.5px;color:var(--text-2);
  margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14.5px;
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{resize:vertical;min-height:104px;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  border-color:rgba(25,227,177,.6);
  box-shadow:0 0 0 3px rgba(25,227,177,.12);
}
.form-note{font-size:12.8px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;
  right:26px;bottom:26px;
  z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 22px;
  border-radius:999px;
  font-size:14.5px;font-weight:600;
  background:linear-gradient(120deg,#19E3B1,#0F5C7A);
  color:#04121A;
  box-shadow:0 12px 34px rgba(25,227,177,.38);
  transition:transform var(--ease),box-shadow var(--ease);
}
.float-cta:hover{color:#04121A;transform:translateY(-3px);box-shadow:0 18px 44px rgba(25,227,177,.5);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;
  background:rgba(3,7,13,.92);
  border-top:1px solid var(--line);
  padding:72px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-about{font-size:14.2px;color:var(--text-2);line-height:1.9;max-width:38em;}
.footer-col h4{
  font-size:14px;color:var(--text);
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col a{
  display:block;
  font-size:14.2px;color:var(--text-2);
  padding:6px 0;
}
.footer-col a:hover{color:var(--mint);}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.2px;color:var(--text-2);
  padding:6px 0;
}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{padding:0 22px;}
  .command-search{width:200px;}
}

@media (max-width:1024px){
  .section{padding:80px 0;}
  .section-tight{padding:64px 0;}
  .header-inner{gap:16px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-wrap{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    padding:18px 20px 24px;
    background:rgba(5,10,18,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 60px rgba(0,0,0,.5);
  }
  .nav-wrap.is-open{display:flex;}
  .main-nav{flex-direction:column;align-items:stretch;gap:4px;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .main-nav a.active::after{display:none;}
  .drawer-extra{display:block;}
  .command-search--drawer{width:100%;}
  .header-tools .command-search{display:none;}
  .grid-asym{grid-template-columns:repeat(2,1fr);}
  .cap-card,.cap-card--wide,.cap-card--half{grid-column:span 1;}
  .cap-media{grid-template-columns:1fr;}
  .timeline-track{grid-template-columns:1fr;gap:0;padding-top:0;}
  .timeline-track::before{top:8px;bottom:8px;left:8px;right:auto;width:1px;height:auto;background:linear-gradient(180deg,rgba(25,227,177,.55),rgba(255,255,255,.08));}
  .tl-item{padding:0 0 28px 36px;}
  .tl-dot{top:6px;left:0;}
  .scene-row{grid-template-columns:1fr;gap:26px;padding:30px 0;}
  .scene-row.reverse .scene-media{order:0;}
  .cta-card{grid-template-columns:1fr;gap:30px;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}

@media (max-width:768px){
  body{font-size:15.6px;}
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:34px;}
  .hero{padding:56px 0 68px;}
  .hero-stats{gap:22px;margin-top:38px;padding-top:24px;}
  .hero-stats li{min-width:120px;}
  .stat-value{font-size:1.25rem;}
  .grid-asym{grid-template-columns:1fr;gap:16px;}
  .cap-card{padding:22px;}
  .cta-card{padding:26px;border-radius:20px;}
  .form-card{padding:20px;}
  .float-cta{
    left:16px;right:16px;bottom:14px;
    justify-content:center;border-radius:14px;
    padding:14px 18px;
  }
  .footer-bottom{flex-direction:column;gap:6px;}
}

@media (max-width:520px){
  h1{font-size:2rem;}
  .brand-text{font-size:1rem;}
  .hero-actions .btn{width:100%;}
  .header-inner{height:62px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:16px 18px;font-size:.98rem;}
  .faq-body{padding:0 18px 18px;}
}