/* roulang page: index */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --bg-raise:#101A2C;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(126,214,255,.14);
  --stroke-strong:rgba(20,224,180,.45);
  --primary:#14E0B4;
  --primary-press:#0B9E82;
  --primary-glow:rgba(20,224,180,.30);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.16);
  --link:#6EE7FF;
  --text-1:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6E7F99;
  --ok:#14E0B4;
  --warn:#FFC24B;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:24px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--link);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--text-1);line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
::selection{background:rgba(20,224,180,.28);color:#fff;}
:focus-visible{outline:2px solid var(--link);outline-offset:3px;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:992px){.container{padding-left:28px;padding-right:28px;}}
@media(min-width:1440px){.container{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .16s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-main{
  background:var(--primary);color:#04120F;
  box-shadow:0 0 0 1px rgba(20,224,180,.5),0 10px 28px var(--primary-glow);
}
.btn-main:hover{background:#2CEAC2;color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,180,.65),0 16px 34px var(--primary-glow);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--surface);color:var(--text-1);
  border:1px solid var(--stroke);backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--stroke-strong);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-soft{background:var(--surface-2);border:1px solid transparent;color:var(--text-1);padding:0 18px;min-height:42px;font-size:14px;}
.btn-soft:hover{background:rgba(255,255,255,.12);color:var(--primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  transition:background .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out,height .24s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(18px) saturate(130%);
  border-bottom-color:var(--stroke);
  box-shadow:0 8px 30px rgba(0,0,0,.5);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px;transition:height .24s ease-out;}
.site-header.is-stuck .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text-1);font-weight:700;font-size:17px;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(140deg,rgba(20,224,180,.22),rgba(110,231,255,.10));
  border:1px solid var(--stroke-strong);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:7px;box-shadow:0 6px 18px rgba(20,224,180,.18);
}
.brand-mark i{background:var(--primary);border-radius:1.5px;opacity:.85;}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(4){background:var(--accent);opacity:.9;}
.brand-mark i:nth-child(5){opacity:1;}
.brand-name{letter-spacing:0;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 15px;
  font-size:14.5px;font-weight:600;color:var(--text-2);border-radius:10px;
  transition:color .18s ease-out,background .18s ease-out;
}
.main-nav a::after{
  content:'';position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--link));
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{
  color:var(--primary);background:var(--surface);border:1px solid var(--stroke);
}
.main-nav a.active::after{transform:scaleX(0);}
.nav-cta{margin-left:14px;}
.nav-toggle{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--stroke);
  background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  position:fixed;top:72px;left:0;right:0;z-index:1039;
  background:rgba(10,17,32,.97);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke);
  padding:14px 20px 22px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateY(-14px);opacity:0;visibility:hidden;
  transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s;
}
.mobile-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--text-2);font-weight:600;font-size:15.5px;border:1px solid transparent;
}
.mobile-nav a.active,.mobile-nav a:hover{color:var(--text-1);background:var(--surface);border-color:var(--stroke);}
.mobile-nav .btn-main{margin-top:8px;color:#04120F;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(64px,8vw,120px) 0;position:relative;}
.section.tight{padding:clamp(44px,5vw,76px) 0;}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,48px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px;border-radius:999px;
  background:rgba(20,224,180,.10);border:1px solid var(--stroke-strong);
  color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.eyebrow.orange{background:var(--accent-soft);border-color:rgba(255,106,43,.42);color:#FFB08A;}
.h2{font-size:clamp(22px,2.6vw,34px);line-height:1.32;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
.divider{height:1px;background:linear-gradient(90deg,var(--stroke),rgba(126,214,255,0));border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;padding:130px 0 84px;overflow:hidden;isolation:isolate;}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(70% 60% at 6% 102%,rgba(20,224,180,.30),transparent 62%),
    radial-gradient(46% 40% at 92% 6%,rgba(255,106,43,.16),transparent 60%),
    linear-gradient(180deg,rgba(7,11,20,.90),rgba(7,11,20,.78) 42%,rgba(7,11,20,.97));
}
.hero-grid{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(126,214,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(126,214,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(80% 70% at 50% 40%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(80% 70% at 50% 40%,#000 20%,transparent 100%);
}
.hero h1{font-size:clamp(28px,4.4vw,52px);font-weight:800;line-height:1.24;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:18px;color:var(--text-2);font-size:clamp(15.5px,1.5vw,17.5px);line-height:1.85;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{margin-top:30px;display:flex;flex-direction:column;gap:11px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.hero-points li::before{
  content:'';flex:0 0 7px;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(20,224,180,.16);
}

/* ---------- 看板 ---------- */
.dash{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  padding:22px;backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.dash-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--stroke);}
.dash-head strong{font-size:15px;font-weight:700;}
.dash-head .live{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--primary);font-weight:700;}
.dash-head .live i{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(20,224,180,.18);animation:pulse 2.4s ease-out infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(20,224,180,.42);}70%{box-shadow:0 0 0 9px rgba(20,224,180,0);}100%{box-shadow:0 0 0 0 rgba(20,224,180,0);}}
.dash-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px;}
.metric{
  position:relative;background:var(--surface);border:1px solid var(--stroke);
  border-radius:14px;padding:16px 15px 14px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.metric:hover{border-color:var(--stroke-strong);transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.45);}
.metric .dot{position:absolute;top:14px;right:14px;width:6px;height:6px;border-radius:50%;background:var(--primary);}
.metric:nth-child(2) .dot{background:var(--accent);}
.metric-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.1;color:var(--text-1);}
.metric-num .unit{font-size:.46em;font-weight:600;color:var(--text-2);margin-left:3px;letter-spacing:0;}
.metric-label{margin-top:6px;font-size:13px;color:var(--text-2);}
.bar{margin-top:12px;height:4px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--accent));}

/* ---------- 服务矩阵 ---------- */
.matrix-card{
  position:relative;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);
  padding:24px;backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.matrix-card::before{
  content:'';position:absolute;top:-30px;right:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,224,180,.22),transparent 70%);
  opacity:0;transition:opacity .24s ease-out;pointer-events:none;
}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);}
.matrix-card:hover::before{opacity:1;}
.ico{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,224,180,.12);border:1px solid var(--stroke-strong);color:var(--primary);font-size:19px;margin-bottom:18px;
}
.ico.orange{background:var(--accent-soft);border-color:rgba(255,106,43,.4);color:#FFA278;}
.matrix-card h3{font-size:18px;}
.matrix-card p{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.85;}
.card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:13.5px;font-weight:700;color:var(--link);
}
.card-link i{transition:transform .2s ease-out;}
.matrix-card:hover .card-link i{transform:translateX(4px);}
.matrix-card.with-pic{padding:0;display:flex;flex-direction:column;}
.matrix-pic{position:relative;aspect-ratio:16/9;overflow:hidden;}
.matrix-pic img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;filter:saturate(.95);}
.matrix-card:hover .matrix-pic img{transform:scale(1.04);}
.matrix-pic::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.75));}
.matrix-body{padding:22px 24px 24px;}

/* ---------- 联赛标签 ---------- */
.league-wrap{display:flex;flex-wrap:wrap;gap:10px;}
.league{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--stroke);color:var(--text-2);font-size:13.5px;font-weight:600;
  transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out,background .18s ease-out;
}
.league:hover{border-color:var(--stroke-strong);color:var(--primary);transform:translateY(-2px);background:var(--surface-2);}
.league i{color:var(--primary);font-size:12px;}

/* ---------- 对比区 ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,34px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.compare-col h3{font-size:17px;margin-bottom:6px;}
.compare-col .tagline{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.bar-row{display:grid;grid-template-columns:104px 1fr 46px;align-items:center;gap:12px;margin-bottom:15px;}
.bar-label{font-size:13.5px;color:var(--text-2);}
.bar-track{height:8px;border-radius:8px;background:rgba(255,255,255,.07);overflow:hidden;}
.bar-track i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,rgba(110,231,255,.55),rgba(110,231,255,.28));}
.compare-col.is-best .bar-track i{background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-val{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13.5px;color:var(--text-2);text-align:right;}
.conclusion{
  grid-column:1/-1;margin-top:6px;display:flex;align-items:flex-start;gap:10px;
  padding:16px 18px;border-radius:14px;background:rgba(20,224,180,.07);border:1px solid var(--stroke-strong);
  font-size:14px;color:var(--text-1);
}
.conclusion i{color:var(--primary);margin-top:4px;}

/* ---------- 资讯列表 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--stroke);color:var(--text-2);font-size:13.5px;font-weight:600;
  transition:all .18s ease-out;
}
.chip:hover,.chip.active{background:rgba(20,224,180,.12);border-color:var(--stroke-strong);color:var(--primary);}
.news-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
  color:var(--text-1);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);color:var(--text-1);box-shadow:0 18px 46px rgba(0,0,0,.55);}
.news-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out;}
.news-card:hover .news-media img{transform:scale(1.03);}
.badge-cat{
  position:absolute;top:12px;left:12px;height:26px;display:inline-flex;align-items:center;padding:0 11px;
  border-radius:8px;background:rgba(255,106,43,.16);border:1px solid rgba(255,106,43,.4);
  color:#FFB08A;font-size:12px;font-weight:700;backdrop-filter:blur(8px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{
  font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;color:var(--text-2);font-size:13.8px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--stroke);font-size:13px;color:var(--text-3);
}
.news-foot .more{color:var(--link);font-weight:700;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  gap:12px;padding:56px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px dashed var(--stroke);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state p{color:var(--text-2);font-size:14.5px;}

/* ---------- 证据数字 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--stroke);
  border:1px solid var(--stroke);border-radius:var(--radius-lg);overflow:hidden;
}
.stat-strip .cell{background:var(--bg-deep);padding:26px 22px;}
.stat-strip .cell strong{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(24px,2.6vw,32px);color:var(--primary);}
.stat-strip .cell span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--stroke);border-radius:14px;overflow:hidden;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-item.is-open{border-color:var(--stroke-strong);background:var(--surface-2);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text-1);min-height:56px;
}
.faq-q .idx{font-family:var(--mono);font-size:13px;color:var(--primary);flex:0 0 auto;border:1px solid var(--stroke-strong);border-radius:6px;padding:2px 7px;}
.faq-q .txt{flex:1 1 auto;}
.faq-q .sign{flex:0 0 auto;width:24px;height:24px;display:flex;align-items:center;justify-content:center;color:var(--text-2);font-size:15px;transition:color .2s ease-out;}
.faq-item.is-open .faq-q .sign{color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a .inner{
  padding:0 20px 20px 60px;color:var(--text-2);font-size:15px;line-height:1.85;
  border-left:2px solid transparent;
}
.faq-item.is-open .faq-a .inner{border-left-color:var(--primary);}

/* ---------- 表单 ---------- */
.contact-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start;
}
.point-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.point-list li{display:flex;gap:13px;align-items:flex-start;}
.point-list .p-ico{
  flex:0 0 36px;width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,224,180,.12);border:1px solid var(--stroke-strong);color:var(--primary);font-size:14px;
}
.point-list strong{display:block;font-size:15px;}
.point-list span{display:block;margin-top:3px;color:var(--text-2);font-size:13.8px;line-height:1.8;}
.form-card{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--stroke);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,32px);backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--stroke);border-radius:12px;
  color:var(--text-1);padding:0 15px;height:48px;transition:border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.field textarea{height:112px;padding:13px 15px;line-height:1.75;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:rgba(20,224,180,.05);box-shadow:0 0 0 3px var(--primary-glow);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field select option{background:var(--bg-raise);color:var(--text-1);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 20px;}
.check-row input{
  appearance:none;-webkit-appearance:none;flex:0 0 18px;width:18px;height:18px;margin-top:4px;
  border:1px solid var(--stroke);border-radius:5px;background:rgba(255,255,255,.04);position:relative;cursor:pointer;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.check-row input:checked{background:var(--primary);border-color:var(--primary);}
.check-row input:checked::after{
  content:'';position:absolute;left:5px;top:1.5px;width:6px;height:10px;
  border-right:2px solid #04120F;border-bottom:2px solid #04120F;transform:rotate(42deg);
}
.check-row label{font-size:13.2px;color:var(--text-2);line-height:1.7;margin:0;}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);}
.form-ok{
  display:none;margin-top:14px;padding:12px 15px;border-radius:12px;font-size:13.5px;
  background:rgba(20,224,180,.10);border:1px solid var(--stroke-strong);color:var(--primary);
}
.form-ok.show{display:block;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:clamp(24px,3vw,36px);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(20,224,180,.12),rgba(255,255,255,.03) 55%,rgba(255,106,43,.10));
  border:1px solid var(--stroke);backdrop-filter:blur(14px);
}
.cta-bar h3{font-size:clamp(19px,2.2vw,25px);}
.cta-bar p{margin-top:8px;color:var(--text-2);font-size:14.5px;max-width:600px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--stroke);padding:clamp(48px,6vw,72px) 0 0;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;padding:6px;}
.foot-brand strong{font-size:16px;}
.site-footer p,.site-footer li{color:var(--text-2);font-size:13.8px;line-height:1.9;}
.site-footer h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:var(--text-2);font-size:13.8px;}
.foot-links a:hover{color:var(--primary);}
.foot-contact li{display:flex;gap:9px;align-items:flex-start;margin-bottom:10px;}
.foot-contact i{color:var(--primary);margin-top:6px;font-size:12px;}
.foot-bottom{
  margin-top:clamp(36px,4vw,52px);border-top:1px solid var(--stroke);padding:20px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.foot-bottom .num{font-size:12.5px;}

/* ---------- 响应 ---------- */
@media(max-width:1199.98px){
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:991.98px){
  .hero{padding:118px 0 68px;min-height:auto;}
  .compare{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .dash{margin-top:8px;}
}
@media(max-width:767.98px){
  body{font-size:15.5px;}
  .dash-grid{grid-template-columns:repeat(2,1fr);}
  .bar-row{grid-template-columns:88px 1fr 42px;gap:9px;}
  .foot-grid{grid-template-columns:1fr;}
  .faq-a .inner{padding-left:22px;}
}
@media(max-width:520px){
  .hero-actions{gap:10px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;}
  .dash{padding:16px;}
  .stat-strip{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
  .cta-bar .btn-main{width:100%;}
  .brand-name{font-size:15.5px;}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --bg-raise:#101A2C;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(126,214,255,.14);
  --stroke-strong:rgba(20,224,180,.45);
  --primary:#14E0B4;
  --primary-press:#0B9E82;
  --primary-glow:rgba(20,224,180,.30);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.16);
  --link:#6EE7FF;
  --text-1:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6E7F99;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --mono:ui-monospace,SFMono-Regular,Barlow,Menlo,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(126,214,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(126,214,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
}
img{max-width:100%;display:block}
a{color:var(--link);text-decoration:none;transition:color .2s ease-out,opacity .2s ease-out}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
::selection{background:rgba(20,224,180,.28);color:#fff}
:focus-visible{outline:2px solid var(--link);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin-right:auto;
  margin-left:auto;
  padding-right:20px;
  padding-left:20px;
}
@media (min-width:992px){.container{padding-right:28px;padding-left:28px}}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;
  transition:background .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out,height .24s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(10,17,32,.86);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--stroke);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .24s ease-out}
.site-header.scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:17px;line-height:1.2}
.brand:hover{color:var(--primary)}
.brand strong{font-weight:700;font-size:17px;white-space:nowrap}
.brand-mark{width:30px;height:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;flex:0 0 auto}
.brand-mark i{display:block;background:var(--primary);border-radius:3px;opacity:.9}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(4),.brand-mark i:nth-child(8){background:var(--accent);opacity:.85}
.brand-mark i:nth-child(5){background:var(--link);opacity:1}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  color:var(--text-2);font-size:15px;border-radius:var(--radius-pill);
  transition:color .18s ease-out,background .18s ease-out;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--link));
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.main-nav a:hover{color:var(--text-1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);background:rgba(20,224,180,.10);border:1px solid var(--stroke-strong)}
.main-nav a.active::after{transform:scaleX(0)}
.header-actions{display:flex;align-items:center;gap:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;
  border-radius:var(--radius-sm);border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{
  background:var(--primary);color:#04120F;
  box-shadow:0 0 0 1px rgba(20,224,180,.5),0 10px 28px var(--primary-glow);
}
.btn-primary:hover{background:#2CEAC1;color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,180,.6),0 16px 34px var(--primary-glow)}
.btn-primary:active{transform:translateY(1px);background:var(--primary-press);color:#04120F}
.btn-ghost{background:var(--surface);border-color:var(--stroke);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--stroke-strong);background:var(--surface-2);color:var(--text-1);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--stroke);color:var(--text-1)}
.btn-line:hover{background:rgba(255,255,255,.08);color:var(--text-1)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

.nav-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--stroke);border-radius:12px;color:var(--text-1);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--stroke-strong);color:var(--primary)}
.mobile-nav{
  overflow:hidden;max-height:0;opacity:0;
  transition:max-height .26s ease-out,opacity .2s ease-out;
  border-top:1px solid transparent;
}
.mobile-nav.open{max-height:420px;opacity:1;border-top-color:var(--stroke);padding-bottom:16px}
.mobile-nav a{display:block;padding:12px 6px;color:var(--text-2);font-size:15px;border-bottom:1px solid rgba(126,214,255,.08)}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--primary)}
.mobile-nav .btn{width:100%;margin-top:14px}

/* ---------- breadcrumb / page head ---------- */
.page-shell{position:relative;z-index:1;padding-top:72px}
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--text-2);max-width:min(58ch,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:576px){.crumb .current{max-width:60vw}}

/* ---------- article head ---------- */
.article-head{padding:26px 0 0}
.article-inner{max-width:860px;margin:0 auto}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
}
.chip-cat{background:var(--accent-soft);color:#FF925F;border:1px solid rgba(255,106,43,.32)}
.chip-num{background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text-2);font-family:var(--mono)}
.article-head h1{
  font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.3;margin:16px 0 14px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary)}
.rule-line{height:1px;background:linear-gradient(90deg,var(--stroke-strong),transparent);margin:22px 0 0}
.cover-block{margin:28px auto 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow);max-width:960px}
.cover-block img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- article body ---------- */
.article-section{padding:38px 0 clamp(56px,7vw,96px)}
.article-wrap{max-width:820px;margin:0 auto}
.article-body{font-size:16px;line-height:1.9;color:var(--text-2)}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--text-1);
  margin:2em 0 .7em;padding-left:16px;line-height:1.45;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--link))}
.article-body h3{font-size:19px;font-weight:700;color:var(--text-1);margin:1.7em 0 .55em}
.article-body h4{font-size:17px;font-weight:700;color:var(--text-1);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:4px;margin:.45em 0}
.article-body ul li::before{content:"";position:absolute;left:-1.05em;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.45em 0}
.article-body ol li::marker{color:var(--primary);font-family:var(--mono);font-weight:700}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body a{color:var(--link);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:var(--surface);border-radius:0 14px 14px 0;color:var(--text-1);
}
.article-body img{border-radius:16px;border:1px solid var(--stroke);margin:1.4em auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:.6em}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;font-size:14.5px;
  border:1px solid var(--stroke);border-radius:14px;
}
.article-body thead{background:rgba(255,255,255,.06)}
.article-body th,.article-body td{padding:10px 14px;text-align:left;border-bottom:1px solid rgba(126,214,255,.10);white-space:nowrap}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body code{font-family:var(--mono);font-size:14px;background:rgba(255,255,255,.07);border-radius:6px;padding:2px 6px;color:var(--primary)}
.article-body pre{background:#060A12;border:1px solid var(--stroke);border-radius:14px;padding:16px;overflow-x:auto}
.article-body pre code{background:none;padding:0;color:var(--text-2)}
.article-body hr{border:0;height:1px;background:var(--stroke);margin:2em 0}

.article-foot{padding:12px 0 0}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--stroke);color:var(--text-2);font-size:13.5px;
  transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.tag:hover{border-color:var(--stroke-strong);color:var(--primary);transform:translateY(-2px)}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;
  padding:18px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--stroke);
}
.share-row{display:flex;align-items:center;gap:10px;color:var(--text-3);font-size:13.5px}
.share-row a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text-2)}
.share-row a:hover{border-color:var(--stroke-strong);color:var(--primary);transform:translateY(-2px)}

/* ---------- empty state ---------- */
.empty-card{
  max-width:640px;margin:0 auto;text-align:center;padding:48px 28px;
  background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);box-shadow:var(--shadow);
}
.empty-card i{font-size:34px;color:var(--primary);margin-bottom:16px;display:block}
.empty-card h2{font-size:22px;margin-bottom:10px}
.empty-card p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- related ---------- */
.section{padding:clamp(48px,6vw,88px) 0;position:relative;z-index:1}
.section-head{max-width:720px;margin-bottom:34px}
.section-head .eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--primary);text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:clamp(22px,2.6vw,34px);margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15.5px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.rcard:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 18px 46px rgba(0,0,0,.5)}
.rcard .thumb{position:relative;overflow:hidden}
.rcard .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.rcard:hover .thumb img{transform:scale(1.03)}
.rcard .thumb .chip{position:absolute;left:12px;top:12px}
.rcard .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard h3{font-size:17px;font-weight:700;line-height:1.5}
.rcard p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.rcard .meta .more{color:var(--link);font-weight:600}
.rcard .meta .more i{margin-left:4px;transition:transform .18s ease-out}
.rcard:hover .meta .more i{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:clamp(26px,4vw,40px);border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(20,224,180,.14),rgba(10,17,32,.9) 55%),var(--bg-raise);
  border:1px solid var(--stroke-strong);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.22),transparent 68%);pointer-events:none}
.cta-band h2{font-size:clamp(20px,2.3vw,28px);margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:60ch}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:clamp(30px,5vw,60px);padding:clamp(48px,6vw,76px) 0 26px;
  background:var(--bg-deep);border-top:1px solid var(--stroke);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:10px;color:var(--text-1);font-size:17px;font-weight:700;margin-bottom:14px}
.site-footer p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:44ch}
.site-footer h4{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--text-2);font-size:14px}
.foot-links a:hover{color:var(--primary)}
.foot-contact{display:flex;flex-direction:column;gap:12px}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.foot-contact i{color:var(--primary);margin-top:5px}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13.5px;color:var(--text-3);
}
.foot-bottom .num{color:var(--text-3)}

@media (max-width:1199px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cover-block img{aspect-ratio:16/9}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .article-head h1{font-size:26px}
  .article-body{font-size:15.5px}
  .rcard h3{font-size:16.5px}
}
@media (max-width:575px){
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-actions{flex-direction:column;align-items:flex-start}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --bg-raise:#101A2C;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(126,214,255,.14);
  --stroke-strong:rgba(20,224,180,.45);
  --primary:#14E0B4;
  --primary-press:#0B9E82;
  --primary-glow:rgba(20,224,180,.30);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.16);
  --link:#6EE7FF;
  --text-1:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6E7F99;
  --ok:#14E0B4;
  --warn:#FFC24B;
  --radius-s:12px;
  --radius-m:18px;
  --radius-l:24px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.06);
  --container:1200px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -5%, rgba(20,224,180,.10), transparent 60%),
    radial-gradient(760px 460px at 92% 8%, rgba(255,106,43,.07), transparent 62%);
}
img{max-width:100%;display:block;}
a{color:var(--link);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--primary);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:0;line-height:1.3;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--link);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media (min-width:992px){ .container{padding:0 28px;} }
@media (min-width:1440px){ :root{--container:1320px;} }
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1050;
  transition:background .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(10,17,32,.86);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--stroke);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:72px;
  transition:height .2s ease-out;
}
.site-header.is-stuck .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand strong{font-size:17px;font-weight:700;white-space:nowrap;}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,7px);
  grid-template-rows:repeat(3,7px);
  gap:2px;
  width:25px;height:25px;
  flex:0 0 auto;
}
.brand-mark i{background:rgba(20,224,180,.28);border-radius:2px;display:block;}
.brand-mark i:nth-child(2),
.brand-mark i:nth-child(4),
.brand-mark i:nth-child(9){background:var(--primary);box-shadow:0 0 8px var(--primary-glow);}
.brand-mark i:nth-child(6){background:var(--accent);box-shadow:0 0 8px rgba(255,106,43,.5);}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  padding:8px 14px;
  border-radius:10px;
  transition:color .18s ease-out,background .18s ease-out;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(20,224,180,0));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{
  color:var(--primary);
  background:rgba(20,224,180,.10);
  box-shadow:inset 0 0 0 1px rgba(20,224,180,.28);
}
.main-nav a.active::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;}

.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-s);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.rl-btn-primary{
  background:var(--primary);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(20,224,180,.5),0 10px 28px var(--primary-glow);
}
.rl-btn-primary:hover{background:#1FE9BF;color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,180,.6),0 14px 34px var(--primary-glow);}
.rl-btn-primary:active{transform:translateY(1px);}
.rl-btn-glass{
  background:var(--surface);
  color:var(--text-1);
  border-color:var(--stroke);
  backdrop-filter:blur(14px);
}
.rl-btn-glass:hover{background:var(--surface-2);color:var(--text-1);border-color:var(--stroke-strong);transform:translateY(-2px);}
.rl-btn-glass:active{transform:translateY(1px);}
.rl-btn-ghost{background:transparent;color:var(--text-2);border-color:var(--stroke);}
.rl-btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text-1);}
.nav-toggle{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius-s);
  color:var(--text-1);
  cursor:pointer;
}
.nav-toggle:hover{background:var(--surface-2);border-color:var(--stroke-strong);}
.offcanvas.rl-drawer{background:var(--bg-deep);color:var(--text-1);border-right:1px solid var(--stroke);}
.rl-drawer .drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.rl-drawer .drawer-brand strong{font-size:16px;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-top:18px;}
.drawer-nav a{
  display:block;
  padding:13px 16px;
  border-radius:var(--radius-s);
  background:var(--surface);
  border:1px solid var(--stroke);
  color:var(--text-2);
  font-size:15px;
  font-weight:600;
}
.drawer-nav a.active{color:var(--primary);border-color:var(--stroke-strong);background:rgba(20,224,180,.10);}
.drawer-nav a:hover{color:var(--text-1);background:var(--surface-2);}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:10px;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(64px,8vw,120px) 0;position:relative;}
.section-tight{padding:clamp(40px,5vw,72px) 0;}
.section-head{margin-bottom:clamp(28px,3.4vw,48px);max-width:780px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);
  background:rgba(20,224,180,.10);
  border:1px solid rgba(20,224,180,.26);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow i{font-size:11px;}
h1{font-size:clamp(28px,4.4vw,52px);font-weight:800;}
h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:700;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:44em;}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;
  padding:148px 0 clamp(48px,6vw,88px);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.86) 46%,rgba(7,11,20,.72) 100%),
    radial-gradient(620px 420px at 6% 100%, rgba(20,224,180,.20), transparent 66%);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(126,214,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(126,214,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:22px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);}
.crumb .now{color:var(--text-1);}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:end;}
@media (min-width:992px){ .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;} }
.hero-copy h1{margin-bottom:18px;max-width:22em;}
.hero-copy .lead{
  color:var(--text-2);
  font-size:clamp(15.5px,1.4vw,17px);
  line-height:1.95;
  max-width:38em;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:18px;
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),var(--shadow-inset);
}
@media (max-width:575px){ .hero-stats{grid-template-columns:1fr;} }
.stat-cell{position:relative;padding:6px 6px 6px 14px;}
.stat-cell + .stat-cell::before{
  content:"";position:absolute;left:-6px;top:8px;bottom:8px;width:1px;background:var(--stroke);
}
@media (max-width:575px){
  .stat-cell + .stat-cell::before{left:0;right:0;top:-6px;bottom:auto;width:auto;height:1px;}
}
.stat-cell .dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(20,224,180,.14);
  display:inline-block;margin-right:8px;vertical-align:middle;
}
.stat-cell .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--text-1);line-height:1.2;}
.stat-cell .u{font-size:14px;color:var(--text-2);margin-left:4px;font-family:inherit;font-weight:600;}
.stat-cell .k{font-size:13px;color:var(--text-2);margin-top:4px;}

/* ---------- 编号纵向列表 ---------- */
.ledger{border-top:1px solid var(--stroke);}
.ledger-item{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:22px;
  padding:28px 20px 28px 8px;
  border-bottom:1px solid var(--stroke);
  border-radius:var(--radius-s);
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
}
.ledger-item:hover{
  transform:translateX(10px);
  background:linear-gradient(90deg,rgba(20,224,180,.07),rgba(20,224,180,0));
  box-shadow:inset 0 0 0 1px var(--stroke-strong);
}
.ledger-idx{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.6vw,44px);
  font-weight:800;
  line-height:1;
  color:rgba(234,242,255,.18);
  padding-top:6px;
  transition:color .2s ease-out;
}
.ledger-item:hover .ledger-idx{color:var(--primary);}
.ledger-body h3{margin-bottom:8px;font-size:19px;}
.ledger-body p{color:var(--text-2);font-size:15px;line-height:1.9;max-width:62ch;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:13px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);
}
.tag-accent{color:#FFB48C;background:var(--accent-soft);border-color:rgba(255,106,43,.3);}
.tag-live{color:var(--primary);background:rgba(20,224,180,.12);border-color:rgba(20,224,180,.3);}
@media (max-width:767px){
  .ledger-item{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:22px 12px;}
  .ledger-item:hover{transform:none;}
}

/* ---------- 对照条形 ---------- */
.compare{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  padding:clamp(22px,3vw,36px);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),var(--shadow-inset);
}
.compare-row + .compare-row{margin-top:26px;padding-top:26px;border-top:1px solid var(--stroke);}
.compare-row .row-top{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-bottom:14px;}
.compare-row .row-top strong{font-size:16px;font-weight:700;}
.compare-row .row-top span{font-size:13px;color:var(--text-3);}
.bar-line{display:flex;align-items:center;gap:14px;}
.bar-line + .bar-line{margin-top:10px;}
.bar-label{width:104px;flex:0 0 auto;font-size:13px;color:var(--text-2);}
.bar-track{flex:1 1 auto;height:10px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;position:relative;}
.bar-fill{height:100%;border-radius:999px;width:0;transition:width 1s ease-out;background:rgba(255,255,255,.18);}
.bar-fill.is-strong{background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 16px var(--primary-glow);}
.bar-val{width:52px;flex:0 0 auto;text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;color:var(--text-1);}
.compare-note{
  margin-top:28px;
  padding:16px 20px;
  border-radius:var(--radius-s);
  background:rgba(20,224,180,.08);
  border-left:3px solid var(--primary);
  color:var(--text-1);
  font-size:15px;
}
@media (max-width:575px){
  .bar-label{width:76px;font-size:12.5px;}
  .bar-val{width:44px;}
}

/* ---------- 图文区块 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:992px){ .feature-grid{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:56px;} }
.feature-media{position:relative;border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow-card);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease-out;}
.feature-media:hover img{transform:scale(1.03);}
.feature-media .badge-float{
  position:absolute;left:16px;top:16px;
  font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;
  background:var(--accent-soft);
  color:#FFB48C;
  border:1px solid rgba(255,106,43,.32);
  backdrop-filter:blur(6px);
}
.feature-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.feature-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;line-height:1.85;}
.feature-list i{color:var(--primary);font-size:14px;margin-top:7px;flex:0 0 auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius-m);
  overflow:hidden;
  backdrop-filter:blur(14px);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item.is-open{border-color:var(--stroke-strong);box-shadow:0 0 0 1px rgba(20,224,180,.16);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  background:transparent;
  border:0;
  text-align:left;
  cursor:pointer;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
}
.faq-q .qidx{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:14px;color:var(--primary);flex:0 0 auto;font-weight:700;
}
.faq-q .qtext{flex:1 1 auto;}
.faq-q .qicon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--stroke);
  color:var(--primary);font-size:12px;
  transition:transform .2s ease-out;
}
.faq-item.is-open .faq-q .qicon{transform:rotate(45deg);}
.faq-a{padding:0 20px 20px 52px;color:var(--text-2);font-size:15px;line-height:1.9;border-left:2px solid transparent;}
.faq-item.is-open .faq-a{border-left-color:var(--primary);}
.faq-a p{margin:0;}

/* ---------- CTA 通栏 ---------- */
.cta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:clamp(24px,3.4vw,40px);
  border-radius:var(--radius-l);
  background:
    linear-gradient(90deg,rgba(20,224,180,.12),rgba(255,106,43,.06) 70%,rgba(255,255,255,.02)),
    var(--surface);
  border:1px solid var(--stroke-strong);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),var(--shadow-inset);
}
.cta-bar h3{font-size:clamp(19px,2.2vw,24px);margin-bottom:8px;}
.cta-bar p{color:var(--text-2);font-size:15px;max-width:60ch;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,6vw,96px);
  background:var(--bg-deep);
  border-top:1px solid var(--stroke);
  padding:clamp(44px,5.5vw,72px) 0 0;
  position:relative;
  z-index:1;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:576px){ .foot-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:992px){ .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;} }
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand strong{font-size:16px;font-weight:700;}
.site-footer p{color:var(--text-2);font-size:14px;line-height:1.9;max-width:34em;}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:var(--text-2);font-size:14px;}
.foot-links a:hover{color:var(--primary);}
.foot-contact{display:flex;flex-direction:column;gap:12px;}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14px;line-height:1.8;}
.foot-contact i{color:var(--primary);margin-top:6px;flex:0 0 auto;font-size:13px;}
.foot-bottom{
  margin-top:clamp(32px,4vw,52px);
  padding:20px 0 28px;
  border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}

/* ---------- 通用小件 ---------- */
.section-alt{background:linear-gradient(180deg,rgba(16,26,44,.55),rgba(10,17,32,0));}
.mt-cta{margin-top:clamp(34px,4vw,52px);}

/* roulang page: category2 */
:root{
  --bg-base:#070B14;
  --bg-deep:#0A1120;
  --bg-raise:#101A2C;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --stroke:rgba(126,214,255,.14);
  --stroke-strong:rgba(20,224,180,.45);
  --primary:#14E0B4;
  --primary-press:#0B9E82;
  --primary-glow:rgba(20,224,180,.30);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.16);
  --link:#6EE7FF;
  --text-1:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6E7F99;
  --ok:#14E0B4;
  --warn:#FFC24B;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"Barlow","Roboto Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  -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(126,214,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(126,214,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.7;
}
img{max-width:100%;display:block}
a{color:var(--link);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out}
a:hover{color:var(--primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--link);outline-offset:3px;border-radius:6px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1}
@media (min-width:768px){.container{padding-left:28px;padding-right:28px}}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .18s ease-out,background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.btn-primary,.btn-primary:focus{
  background:var(--primary);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(20,224,180,.5),0 10px 28px var(--primary-glow);
}
.btn-primary:hover{background:#1ff0c2;color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,180,.65),0 14px 34px var(--primary-glow)}
.btn-primary:active{transform:translateY(1px);background:var(--primary-press);box-shadow:0 0 0 1px rgba(20,224,180,.4),0 6px 16px var(--primary-glow)}
.btn-ghost{background:transparent;border-color:var(--stroke);color:var(--text-1)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--stroke-strong);color:var(--text-1);transform:translateY(-2px)}
.btn-glass{background:var(--surface);border-color:var(--stroke);color:var(--text-1);backdrop-filter:blur(12px)}
.btn-glass:hover{background:var(--surface-2);border-color:var(--stroke-strong);color:var(--text-1);transform:translateY(-2px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:transparent;transition:background .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(10,17,32,.88);backdrop-filter:blur(14px) saturate(120%);border-bottom-color:var(--stroke);box-shadow:0 10px 30px rgba(0,0,0,.42)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .22s ease-out}
.site-header.scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:17px}
.brand:hover{color:var(--text-1)}
.brand strong{font-weight:700;white-space:nowrap}
.brand-mark{width:34px;height:34px;flex:0 0 34px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:6px;border-radius:11px;border:1px solid rgba(20,224,180,.4);background:rgba(20,224,180,.09)}
.brand-mark i{background:var(--primary);border-radius:2px;opacity:.75}
.brand-mark i:nth-child(1){background:var(--accent);opacity:.95}
.brand-mark i:nth-child(5){opacity:1}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;color:var(--text-2);font-size:15px;font-weight:500;white-space:nowrap;transition:color .18s ease-out,background .18s ease-out}
.main-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--link));transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out}
.main-nav a:hover{color:var(--text-1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);background:rgba(20,224,180,.10);border:1px solid rgba(20,224,180,.28)}
.main-nav a.active::after{transform:scaleX(0)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--stroke);background:var(--surface);color:var(--text-1);font-size:16px}
.nav-toggle:hover{border-color:var(--stroke-strong);color:var(--primary)}
.mobile-nav{background:var(--bg-deep);color:var(--text-1);border-left:1px solid var(--stroke);width:300px}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--stroke);padding:18px 20px}
.mobile-nav .offcanvas-body{padding:18px 20px 32px;display:flex;flex-direction:column;gap:8px}
.mobile-nav .m-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;border:1px solid transparent;color:var(--text-2);font-weight:500}
.mobile-nav .m-link:hover,.mobile-nav .m-link.active{background:var(--surface);border-color:var(--stroke);color:var(--primary)}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.75}

/* ---------- 页头 ---------- */
.page-hero{position:relative;padding:64px 0 72px;overflow:hidden;border-bottom:1px solid var(--stroke)}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.28;z-index:0}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.72) 0%,rgba(7,11,20,.9) 60%,var(--bg-base) 100%);z-index:0}
.page-hero::after{content:"";position:absolute;left:-10%;bottom:-40%;width:60%;height:120%;background:radial-gradient(circle,rgba(20,224,180,.20),transparent 65%);pointer-events:none;z-index:0}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .cur{color:var(--text-2)}
.page-hero h1{font-size:clamp(28px,4.2vw,50px);font-weight:800;line-height:1.28;max-width:900px;letter-spacing:0}
.page-hero .lede{margin-top:20px;font-size:16.5px;color:var(--text-2);max-width:760px;line-height:1.9}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px;max-width:820px}
.hstat{background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);padding:18px 20px;backdrop-filter:blur(14px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.hstat .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.2;color:var(--text-1)}
.hstat .v small{font-size:13px;color:var(--text-2);font-family:var(--sans);margin-left:6px;font-weight:500}
.hstat .k{margin-top:4px;font-size:13px;color:var(--text-2)}
.hstat .bar{margin-top:12px;height:4px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden}
.hstat .bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}

/* ---------- 板块通用 ---------- */
.sec{padding:clamp(64px,8vw,110px) 0;position:relative}
.sec--tight{padding:clamp(44px,5vw,72px) 0}
.sec-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--primary);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
.sec-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;line-height:1.35}
.sec-sub{margin-top:16px;color:var(--text-2);font-size:16px;max-width:680px}

/* ---------- Bento 网格 ---------- */
.bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.tile{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius);padding:24px;backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.tile::after{content:"";position:absolute;top:0;right:0;width:120px;height:120px;background:radial-gradient(circle at top right,rgba(20,224,180,.22),transparent 70%);opacity:0;transition:opacity .2s ease-out;pointer-events:none}
.tile:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 18px 48px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08)}
.tile:hover::after{opacity:1}
.tile .ico{width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:rgba(20,224,180,.12);border:1px solid rgba(20,224,180,.34);color:var(--primary);font-size:18px;margin-bottom:18px}
.tile h3{font-size:18px;font-weight:700;line-height:1.45}
.tile p{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.85}
.tile .metric{margin-top:18px;display:flex;align-items:baseline;gap:8px;font-family:var(--mono);font-variant-numeric:tabular-nums}
.tile .metric b{font-size:28px;font-weight:700;color:var(--text-1);line-height:1}
.tile .metric span{font-size:13px;color:var(--text-2);font-family:var(--sans)}
.b-lg{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column}
.b-lg .tile-figure{margin-top:20px;border-radius:14px;overflow:hidden;border:1px solid var(--stroke);aspect-ratio:16/9}
.b-lg .tile-figure img{width:100%;height:100%;object-fit:cover}
.b-md{grid-column:span 2}
.b-sm{grid-column:span 1}
.tagline{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;font-size:12.5px;border:1px solid var(--stroke);background:rgba(255,255,255,.04);color:var(--text-2)}
.tag--accent{background:var(--accent-soft);border-color:rgba(255,106,43,.35);color:#FFB189}
.tag--ok{background:rgba(20,224,180,.12);border-color:rgba(20,224,180,.34);color:var(--primary)}
.tag--num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;top:11px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,rgba(20,224,180,.5),rgba(126,214,255,.25),rgba(20,224,180,.5))}
.timeline li{position:relative;padding-top:36px}
.timeline .dot{position:absolute;top:4px;left:0;width:15px;height:15px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(20,224,180,.16),0 0 18px var(--primary-glow)}
.timeline .step{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--text-3);letter-spacing:.08em;margin-bottom:6px}
.timeline h3{font-size:17px;font-weight:700}
.timeline p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.85}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split .fig{border-radius:var(--radius);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow);aspect-ratio:16/10}
.split .fig img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.split .fig:hover img{transform:scale(1.03)}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.85}
.check-list i{color:var(--primary);margin-top:6px;font-size:14px}

/* ---------- 场景贴片 ---------- */
.chips{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:112px;border-radius:var(--radius);border:1px solid var(--stroke);background:var(--surface);color:var(--text-2);transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out,color .2s ease-out;backdrop-filter:blur(12px)}
.chip i{font-size:20px;color:var(--primary);transition:color .2s ease-out}
.chip span{font-size:14.5px;font-weight:600}
.chip:hover{transform:translateY(-4px);border-color:var(--stroke-strong);background:var(--surface-2);color:var(--text-1)}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{background:var(--surface);border:1px solid var(--stroke);border-radius:14px;margin-bottom:12px;overflow:hidden;backdrop-filter:blur(12px)}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-button{background:transparent;color:var(--text-1);font-size:16px;font-weight:600;line-height:1.6;padding:18px 20px;box-shadow:none;gap:14px}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary);background:rgba(20,224,180,.06);box-shadow:inset 3px 0 0 var(--primary)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:var(--stroke-strong)}
.faq-acc .accordion-button .q-no{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--text-3);flex:0 0 auto}
.faq-acc .accordion-button::after{content:"+";background-image:none;width:26px;height:26px;flex:0 0 26px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:17px;line-height:1;color:var(--primary);border:1px solid rgba(20,224,180,.4);border-radius:8px;transform:none;transition:background .2s ease-out}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";background:rgba(20,224,180,.14);transform:none}
.faq-acc .accordion-body{padding:0 20px 22px;color:var(--text-2);font-size:15px;line-height:1.9;border-top:1px solid rgba(126,214,255,.08);padding-top:18px}

/* ---------- CTA ---------- */
.cta-band{background:linear-gradient(120deg,rgba(20,224,180,.12),rgba(255,106,43,.08) 70%,rgba(255,255,255,.03)),var(--bg-deep);border:1px solid var(--stroke);border-radius:22px;padding:clamp(28px,4vw,44px);display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(14px) saturate(120%)}
.cta-band h2{font-size:clamp(20px,2.3vw,28px);font-weight:700;line-height:1.4}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;border-top:1px solid var(--stroke);background:var(--bg-deep);padding:clamp(48px,6vw,80px) 0 28px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand strong{font-size:17px;font-weight:700;color:var(--text-1)}
.site-footer p{color:var(--text-3);font-size:14px;line-height:1.9;max-width:340px}
.site-footer h4{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--text-3);font-size:14px}
.foot-links a:hover{color:var(--primary)}
.foot-contact{display:flex;flex-direction:column;gap:12px}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-3);line-height:1.75}
.foot-contact i{color:var(--primary);margin-top:5px;font-size:13px}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--text-3);font-size:13.5px}
.foot-bottom .num{color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .b-lg{grid-column:span 2;grid-row:auto}
  .b-md,.b-sm{grid-column:span 1}
  .chips{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991px){
  .split{grid-template-columns:1fr;gap:30px}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .timeline::before{display:none}
  .timeline li{padding-top:32px;padding-left:0}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:767px){
  .page-hero{padding:44px 0 56px}
  .bento{grid-template-columns:1fr}
  .b-lg,.b-md,.b-sm{grid-column:span 1}
  .chips{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr}
  .site-footer p{max-width:none}
}
@media (max-width:520px){
  .brand strong{font-size:15.5px}
  .page-hero h1{font-size:26px}
  .chips{grid-template-columns:1fr 1fr}
}