/* roulang page: index */
:root{
  --bg:#070C12;
  --bg-2:#0C1420;
  --bg-3:#111B29;
  --primary:#25E6A5;
  --primary-soft:rgba(37,230,165,.14);
  --accent:#FF6A3D;
  --text:#EAF2F5;
  --muted:#9BAEBE;
  --weak:#63788C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --ok:#2BD98B;
  --warn:#FFB020;
  --err:#FF5C6C;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(37,230,165,.45),0 0 28px rgba(37,230,165,.22);
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Bebas Neue",ui-monospace,SFMono-Regular,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  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:64px 64px;
  opacity:.55;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border-radius:12px;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.site-header,.site-main,.site-footer{position:relative;z-index:1;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,box-shadow .25s,transform .18s,opacity .2s;
}
.btn-primary{
  background:var(--primary);
  color:#04150E;
  box-shadow:0 0 0 1px rgba(37,230,165,.42),0 0 18px rgba(37,230,165,.28);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(37,230,165,.6),0 0 36px rgba(37,230,165,.38);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--primary);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(37,230,165,.07);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-loading{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.link-more{
  font-size:14px;
  color:var(--primary);
  border-bottom:2px solid transparent;
  transition:border-color .2s,color .2s;
}
.link-more:hover{border-color:var(--primary);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:12px;
  color:var(--muted);
  line-height:1;
  white-space:nowrap;
}
.badge-dot::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px var(--primary);
}
.eyebrow{
  font-size:12px;
  letter-spacing:.18em;
  color:var(--primary);
}
.section{padding:var(--sec) 0;border-top:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-title{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  margin-top:10px;
}
.section-desc{
  max-width:720px;
  margin-top:14px;
  color:var(--muted);
  font-size:15px;
}

/* ===== header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,12,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:24px;height:24px;
  display:grid;place-items:center;
  border:1px solid var(--primary);
  border-radius:7px;
  transform:rotate(45deg);
  box-shadow:0 0 14px rgba(37,230,165,.25);
}
.logo-mark span{
  width:8px;height:8px;
  background:var(--primary);
  border-radius:2px;
  transform:rotate(-45deg);
}
.logo-text{
  font-size:16px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo-text em{font-style:normal;color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:8px 12px;
  border-radius:8px;
  font-size:14px;
  color:var(--muted);
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-2px;
  width:16px;height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:translateX(-50%);
  box-shadow:0 0 10px rgba(37,230,165,.6);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  width:260px;
  height:38px;
  padding:0 10px 0 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.04);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.search-box:focus-within{
  border-color:var(--primary);
  background:rgba(37,230,165,.06);
  box-shadow:0 0 0 3px rgba(37,230,165,.12);
}
.search-box svg{flex-shrink:0;color:var(--weak);}
.search-input{
  flex:1;
  min-width:0;
  background:none;
  border:0;
  outline:none;
  font-size:13px;
  color:var(--text);
}
.search-input::placeholder{color:var(--weak);}
.search-box kbd{
  font-family:var(--font-num);
  font-size:11px;
  color:var(--weak);
  border:1px solid var(--line);
  border-radius:4px;
  padding:0 5px;
  line-height:16px;
}
.icon-btn{
  position:relative;
  display:grid;place-items:center;
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.03);
  color:var(--muted);
  cursor:pointer;
  transition:border-color .2s,color .2s,background .2s;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(37,230,165,.08);}
.icon-btn::after{
  content:attr(data-tip);
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  padding:4px 8px;
  font-size:12px;
  color:var(--text);
  background:var(--bg-3);
  border:1px solid var(--line);
  border-radius:6px;
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transform:translateY(-4px);
  transition:opacity .2s,transform .2s;
}
.icon-btn:hover::after{opacity:1;transform:translateY(0);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s;
  z-index:90;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:280px;
  height:100%;
  z-index:100;
  background:var(--bg-2);
  border-left:1px solid var(--line);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transform:translateX(102%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:34px;height:34px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--muted);
  border-radius:8px;
  font-size:18px;
  cursor:pointer;
  line-height:1;
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:11px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--muted);
  border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.04);
}
.drawer-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:13px;}
.drawer-cta{width:100%;}

/* ===== hero ===== */
.hero{
  position:relative;
  padding:76px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.14;
  filter:saturate(.8);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(900px 420px at 78% 10%,rgba(37,230,165,.14),transparent 65%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero-title{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.18;
  margin-top:18px;
  letter-spacing:-.01em;
}
.hero-title .hl{color:var(--primary);text-shadow:0 0 28px rgba(37,230,165,.28);}
.hero-sub{
  max-width:640px;
  margin-top:18px;
  color:var(--muted);
  font-size:16px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:24px;
  letter-spacing:.02em;
  color:var(--primary);
  line-height:1.2;
}
.hero-stat span{font-size:12px;color:var(--weak);}
.hero-visual{position:relative;}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  background:var(--bg-3);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:20px;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(140deg,rgba(37,230,165,.32),rgba(7,12,18,0) 62%);
}
.hero-float{
  position:absolute;
  right:16px;
  bottom:16px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:12px;
  background:rgba(12,20,32,.78);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
  font-size:12px;
  color:var(--muted);
}
.hero-float .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}
.hero-float b{color:var(--text);font-weight:600;}

/* ===== kpi ===== */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.kpi-card{
  position:relative;
  padding:24px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.kpi-card:hover{
  transform:translateY(-2px);
  border-color:rgba(37,230,165,.4);
  box-shadow:0 0 20px rgba(37,230,165,.2);
}
.kpi-num{
  font-family:var(--font-num);
  font-size:38px;
  line-height:1.1;
  letter-spacing:.02em;
  color:var(--primary);
}
.kpi-name{margin-top:10px;font-size:15px;font-weight:600;}
.kpi-note{margin-top:6px;font-size:12px;color:var(--weak);line-height:1.6;}
.spark{margin-top:16px;height:26px;width:100%;color:rgba(37,230,165,.6);}

/* ===== services ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{
  display:flex;
  flex-direction:column;
  padding:26px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:transform .22s,border-color .22s,background .22s;
}
.svc-card:hover{transform:translateY(-2px);border-color:rgba(37,230,165,.35);background:rgba(255,255,255,.055);}
.svc-card.main{
  grid-column:span 2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:center;
  background:linear-gradient(150deg,rgba(37,230,165,.1),rgba(255,255,255,.03) 55%);
}
.svc-card.main img{width:100%;aspect-ratio:16/11;object-fit:cover;border:1px solid var(--line);}
.svc-icon{
  width:34px;height:34px;
  display:grid;place-items:center;
  border:1px solid rgba(37,230,165,.4);
  border-radius:10px;
  color:var(--primary);
  background:rgba(37,230,165,.08);
}
.svc-title{
  font-size:18px;
  font-weight:600;
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.dot-accent{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(255,106,61,.7);
  flex-shrink:0;
}
.svc-text{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;}
.svc-link{
  margin-top:auto;
  padding-top:18px;
  font-size:14px;
  color:var(--primary);
  display:inline-flex;
  gap:6px;
  transition:gap .2s,color .2s;
}
.svc-link:hover{gap:10px;}

/* ===== compare ===== */
.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  position:relative;
}
.compare-col{
  padding:26px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.compare-col.alt{
  border-color:rgba(37,230,165,.45);
  background:rgba(37,230,165,.07);
  box-shadow:0 0 24px rgba(37,230,165,.12);
}
.compare-col h3{font-size:17px;font-weight:600;display:flex;align-items:center;gap:10px;}
.compare-row{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:13px 0;
  font-size:14px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.compare-row:last-child{border-bottom:0;padding-bottom:0;}
.compare-row i{
  width:6px;height:6px;border-radius:50%;
  background:var(--weak);
  margin-top:9px;
  flex-shrink:0;
}
.compare-col.alt .compare-row{color:var(--text);}
.compare-col.alt .compare-row i{
  background:var(--primary);
  box-shadow:0 0 8px rgba(37,230,165,.8);
}
.compare-mid{
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--bg-2);
  border:1px solid rgba(37,230,165,.45);
  color:var(--primary);
  box-shadow:0 0 18px rgba(37,230,165,.25);
}

/* ===== category grid ===== */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cat-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.cat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(37,230,165,.4);
  box-shadow:0 0 24px rgba(37,230,165,.18);
}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;border-bottom:1px solid var(--line);}
.cat-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.cat-body h3{font-size:16px;font-weight:600;}
.cat-body p{font-size:13px;color:var(--muted);line-height:1.75;}
.cat-body .cat-go{margin-top:auto;font-size:13px;color:var(--primary);}

/* ===== news ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  transition:transform .22s,border-color .22s,background .22s;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(37,230,165,.35);background:rgba(255,255,255,.055);}
.news-badge{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--accent);
  border:1px solid rgba(255,106,61,.45);
  background:rgba(255,106,61,.1);
  line-height:1;
}
.news-title{font-size:16px;font-weight:600;line-height:1.6;}
.news-title a{transition:color .2s;}
.news-title a:hover{color:var(--primary);}
.news-excerpt{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12px;
  color:var(--weak);
}
.news-meta time{font-family:var(--font-num);letter-spacing:.02em;}
.news-link{font-size:13px;color:var(--primary);transition:opacity .2s;}
.news-link:hover{opacity:.75;}
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  min-height:220px;
  padding:40px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-size:14px;
  text-align:center;
}
.empty-state svg{color:var(--weak);}

/* ===== faq ===== */
.faq{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 0;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  position:relative;
  min-height:48px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  width:2px;
  height:18px;
  background:var(--line-strong);
  border-radius:2px;
  flex-shrink:0;
  transition:background .2s,box-shadow .2s;
}
.faq-item[open] summary::before{background:var(--primary);box-shadow:0 0 10px rgba(37,230,165,.7);}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  font-family:var(--font-num);
  font-size:18px;
  color:var(--primary);
  transition:transform .25s;
  line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{
  padding:0 0 20px 16px;
  font-size:14px;
  line-height:1.9;
  color:var(--muted);
}

/* ===== contact ===== */
.cta-block{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:start;
}
.cta-title{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
}
.cta-desc{margin-top:14px;color:var(--muted);font-size:15px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text);
}
.cta-points i{
  width:18px;height:18px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(37,230,165,.16);
  color:var(--primary);
  font-size:11px;
  font-style:normal;
  flex-shrink:0;
}
.form-card{
  padding:28px;
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--muted);}
.field input,.field select,.field textarea{
  height:44px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:rgba(255,255,255,.04);
  outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{height:110px;padding:10px 12px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  background:rgba(37,230,165,.06);
  box-shadow:0 0 0 3px rgba(37,230,165,.12);
}
.field input.is-invalid,.field textarea.is-invalid{border-color:var(--err);}
.field .err-msg{display:none;font-size:13px;color:var(--err);}
.field option{background:var(--bg-2);color:var(--text);}
.form-card .btn-primary{width:100%;margin-top:20px;}
.form-note{margin-top:12px;font-size:12px;color:var(--weak);line-height:1.7;}
.form-success{
  display:none;
  text-align:center;
  padding:36px 20px;
}
.form-success h3{font-size:18px;font-weight:600;color:var(--primary);}
.form-success p{margin-top:10px;font-size:14px;color:var(--muted);}
.form-success .btn{margin-top:20px;}

/* ===== footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:64px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.foot-brand p{
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
  line-height:1.9;
  max-width:320px;
}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a,.foot-col span{font-size:13px;color:var(--muted);transition:color .2s;}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:18px 0 24px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--weak);
}
.foot-bottom nav{display:flex;gap:18px;}
.foot-bottom a:hover{color:var(--primary);}

@media (max-width:1120px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .search-box{width:200px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .hero{padding:60px 0 68px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-media img{aspect-ratio:16/10;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .svc-card.main{grid-column:span 2;grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-block{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .search-box{display:none;}
  .nav-actions .btn-primary{display:none;}
  .compare{grid-template-columns:1fr;gap:18px;}
  .compare-mid{display:none;}
  .form-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:560px){
  :root{--sec:56px;}
  .wrap{padding:0 18px;}
  .logo-text{font-size:15px;}
  .hero{padding:48px 0 56px;}
  .hero-title{font-size:clamp(26px,7.6vw,34px);}
  .hero-sub{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:22px;}
  .kpi-grid{grid-template-columns:1fr;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-card.main{grid-column:span 1;}
  .cat-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .form-card{padding:20px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  body{padding-bottom:0;}
}

/* roulang page: article */
:root{
  --bg:#070C12;
  --bg-2:#0C1420;
  --bg-3:#111B29;
  --primary:#25E6A5;
  --primary-dim:rgba(37,230,165,.12);
  --accent:#FF6A3D;
  --text:#EAF2F5;
  --text-2:#9BAEBE;
  --text-3:#63788C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-card:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(37,230,165,.45),0 0 28px rgba(37,230,165,.22);
  --wrap:1200px;
  --font-num:"DIN Alternate","Bebas Neue","SF Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  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 68%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 68%);
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
::selection{background:rgba(37,230,165,.28);color:#FFF;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.num{font-family:var(--font-num);letter-spacing:.02em;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,18,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{position:relative;width:24px;height:24px;display:inline-block;flex:none;}
.logo-mark::before{
  content:"";position:absolute;inset:3px;border:1.5px solid var(--primary);
  border-radius:6px;transform:rotate(45deg);
  box-shadow:0 0 14px rgba(37,230,165,.42);
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:5px;height:5px;
  margin:-2.5px 0 0 -2.5px;border-radius:50%;background:var(--accent);
}
.logo-text{font-size:16px;font-weight:800;letter-spacing:.02em;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;min-width:0;}
.nav-link{
  position:relative;padding:8px 11px;font-size:14px;color:var(--text-2);
  border-radius:10px;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--primary);border-radius:2px;transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link:hover::after{width:16px;}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{width:16px;}
.header-tools{display:flex;align-items:center;gap:12px;flex:none;}
.command-search{
  position:relative;display:flex;align-items:center;width:250px;height:38px;
  padding:0 8px 0 12px;background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);border-radius:var(--radius-input);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.command-search svg{flex:none;color:var(--text-3);transition:color .2s;}
.command-search input{
  flex:1;min-width:0;height:100%;padding:0 8px;background:none;border:0;
  color:var(--text);font-size:13px;outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search:focus-within{border-color:var(--primary);background:rgba(37,230,165,.05);box-shadow:0 0 0 3px rgba(37,230,165,.14);}
.command-search:focus-within svg{color:var(--primary);}
.command-search kbd{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;font-family:var(--font-num);font-size:11px;
  color:var(--text-3);background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);border-radius:5px;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--radius-input);
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text-2);cursor:pointer;transition:.2s;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:rgba(37,230,165,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s,box-shadow .22s,background .2s,border-color .2s,color .2s;
}
.btn-primary{background:var(--primary);color:#04140F;box-shadow:0 0 0 1px rgba(37,230,165,.4),0 0 18px rgba(37,230,165,.24);}
.btn-primary:hover{background:#3DF0B4;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(37,230,165,.55),0 0 36px rgba(37,230,165,.4);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--primary);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(37,230,165,.08);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:10px;}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
.drawer{
  position:fixed;top:0;right:0;z-index:90;width:284px;max-width:86vw;height:100%;
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open .drawer{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:12px;border-radius:10px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:.2s;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--primary);background:rgba(37,230,165,.07);border-color:rgba(37,230,165,.25);}
.drawer .command-search{width:100%;}
.drawer .btn{width:100%;}
.drawer-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding-top:26px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);}
.breadcrumb a{color:var(--text-3);transition:color .2s;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:rgba(255,255,255,.18);}
.breadcrumb .current{color:var(--primary);}

/* ---------- 文章主体 ---------- */
.article-section{padding:24px 0 8px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:start;}
.article-main{
  min-width:0;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:36px 40px 40px;
  box-shadow:var(--shadow-card);
}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  font-size:12px;line-height:1;border-radius:999px;
  border:1px solid var(--line-strong);background:transparent;color:var(--text-2);
  white-space:nowrap;
}
.badge-accent{color:var(--accent);border-color:rgba(255,106,61,.42);background:rgba(255,106,61,.1);}
.badge-primary{color:var(--primary);border-color:rgba(37,230,165,.42);background:rgba(37,230,165,.1);}
.article-head h1{
  font-size:clamp(26px,3.2vw,38px);
  line-height:1.32;
  font-weight:800;
  margin:18px 0 18px;
  letter-spacing:-.01em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.meta-row .num{color:var(--text-2);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}
.article-body{
  max-width:720px;margin-top:26px;
  font-size:16px;line-height:1.9;color:#D3E0E7;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(20px,2.4vw,25px);font-weight:700;color:var(--text);
  margin:38px 0 14px;padding-left:14px;border-left:3px solid var(--primary);line-height:1.5;
  scroll-margin-top:88px;
}
.article-body h3{
  font-size:18px;font-weight:600;color:var(--text);
  margin:28px 0 10px;scroll-margin-top:88px;
}
.article-body h4{font-size:16px;font-weight:600;color:var(--text);margin:22px 0 8px;}
.article-body p{margin:0 0 18px;}
.article-body strong{color:#FFFFFF;font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-family:var(--font-num);}
.article-body blockquote{
  margin:22px 0;padding:14px 20px;
  border-left:3px solid var(--primary);
  background:rgba(37,230,165,.06);
  border-radius:0 10px 10px 0;color:#C4D6DE;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;margin:22px 0;border-radius:12px;
  border:1px solid var(--line-strong);
}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-decoration-thickness:2px;
  text-underline-offset:4px;
  text-decoration-color:rgba(37,230,165,.35);
  transition:text-decoration-color .2s;
}
.article-body a:hover{text-decoration-color:var(--primary);}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;
  border:1px solid var(--line-strong);
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body thead th{background:rgba(37,230,165,.08);color:var(--text);font-weight:600;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body code{
  font-family:var(--font-num);font-size:13.5px;padding:2px 6px;border-radius:6px;
  background:rgba(255,255,255,.07);color:#B8F5DF;
}
.article-body pre{
  margin:22px 0;padding:16px;border-radius:12px;overflow-x:auto;
  background:var(--bg-3);border:1px solid var(--line-strong);
}
.article-body pre code{background:none;padding:0;color:#C8E6DE;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}
.article-tags{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.article-tags .tag-label{font-size:12px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:12px;color:var(--text-2);border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);
  transition:.2s;
}
.tag:hover{color:var(--primary);border-color:rgba(37,230,165,.45);background:rgba(37,230,165,.08);}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top-color:rgba(255,255,255,.12);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto;}
.toc-list a{
  display:block;padding:7px 10px;font-size:13px;color:var(--text-2);
  border-radius:8px;border-left:2px solid transparent;transition:.2s;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover{color:var(--primary);background:rgba(255,255,255,.04);border-left-color:var(--primary);}
.toc-list a.lv3{padding-left:22px;font-size:12.5px;color:var(--text-3);}
.toc-empty{font-size:12.5px;color:var(--text-3);line-height:1.8;}
.hot-list{list-style:none;display:flex;flex-direction:column;gap:10px;}
.hot-list a{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:10px;transition:.2s;}
.hot-list a:hover{background:rgba(255,255,255,.05);}
.hot-index{
  flex:none;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
  font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--primary);
  background:rgba(37,230,165,.12);border:1px solid rgba(37,230,165,.3);
}
.hot-text{font-size:13px;color:var(--text-2);line-height:1.6;}
.hot-list a:hover .hot-text{color:var(--text);}
.side-note{font-size:12.5px;color:var(--text-3);line-height:1.85;}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;text-align:center;padding:88px 24px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
}
.empty-icon{
  width:64px;height:64px;border-radius:18px;display:grid;place-items:center;
  border:1px solid rgba(37,230,165,.35);background:rgba(37,230,165,.08);color:var(--primary);
}
.empty-state h2{font-size:20px;color:var(--text);}
.empty-state p{font-size:14px;color:var(--text-2);max-width:420px;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:64px 0 0;}
.section-head{
  display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;
  margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--line);
}
.section-head h2{font-size:clamp(20px,2.4vw,26px);color:var(--text);}
.section-head h2 em{font-style:normal;color:var(--primary);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;
  text-decoration-color:rgba(37,230,165,.35);transition:.2s;
}
.text-link:hover{text-decoration-color:var(--primary);gap:10px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-top-color:rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(37,230,165,.4);box-shadow:0 18px 48px rgba(0,0,0,.45),0 0 20px rgba(37,230,165,.16);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(37,230,165,.28),transparent 62%);
  opacity:.55;
}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:16px;color:var(--text);line-height:1.55;}
.rel-body p{font-size:13px;color:var(--text-2);line-height:1.8;}
.rel-more{margin-top:auto;font-size:13px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 0;}
.faq-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 44px 18px 16px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:background .2s,color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:2px;
  background:rgba(255,255,255,.14);border-radius:2px;transition:background .2s;
}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:50%;
  width:12px;height:2px;background:var(--text-2);border-radius:2px;
  transform:translateY(-50%);transition:transform .25s,background .2s;
}
.faq-item summary:hover{background:rgba(255,255,255,.03);}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::before{background:var(--primary);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(90deg);background:var(--primary);}
.faq-answer{padding:0 44px 20px 16px;font-size:14.5px;line-height:1.9;color:var(--text-2);}
.faq-answer p{margin:0 0 10px;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-section{padding:72px 0 0;}
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.3fr auto;gap:28px;align-items:center;
  padding:40px 44px;border-radius:20px;
  background:linear-gradient(140deg,rgba(37,230,165,.14),rgba(255,255,255,.03) 58%);
  border:1px solid rgba(37,230,165,.35);
  box-shadow:0 18px 48px rgba(0,0,0,.45);
}
.cta-panel h2{font-size:clamp(20px,2.6vw,28px);color:var(--text);margin-bottom:10px;}
.cta-panel p{font-size:14.5px;color:var(--text-2);max-width:560px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,230,165,.24),transparent 68%);pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;padding-top:56px;
  background:var(--bg-2);border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .logo{margin-bottom:16px;}
.foot-brand p{font-size:13.5px;line-height:1.85;color:var(--text-2);max-width:340px;}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-col h4{font-size:13px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:14px;}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.foot-col li{font-size:13px;color:var(--text-2);line-height:1.7;}
.foot-col a{color:var(--text-2);transition:color .2s;}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-top:44px;padding:20px 0 26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.foot-bottom a{color:var(--text-3);transition:color .2s;}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .wrap{padding:0 24px;}
  .command-search{width:200px;}
  .nav-link{padding:8px 9px;font-size:13.5px;}
  .article-grid{gap:32px;}
  .article-main{padding:32px 30px 34px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .hamburger{display:inline-flex;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .article-main{padding:28px 24px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{grid-template-columns:1fr;padding:32px 28px;}
  .related-section,.faq-section{padding-top:52px;}
  .cta-section{padding-top:56px;}
}
@media (max-width:768px){
  .header-tools .btn-sm{display:none;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-body{font-size:15.5px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .logo-text{font-size:15px;}
  .article-main{padding:22px 18px 26px;border-radius:14px;}
  .article-head h1{font-size:24px;margin:14px 0 14px;}
  .meta-row{font-size:12px;gap:8px;padding-bottom:18px;}
  .article-body h2{font-size:19px;margin-top:30px;}
  .article-body h3{font-size:16.5px;}
  .article-body ul,.article-body ol{padding-left:20px;}
  .article-tags{gap:6px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-panel{padding:26px 20px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{font-size:15px;padding:16px 40px 16px 14px;}
  .faq-answer{padding:0 16px 18px 14px;font-size:14px;}
  .empty-state{padding:60px 18px;}
  .related-section,.faq-section{padding-top:44px;}
  .cta-section{padding-top:48px;}
  .site-footer{margin-top:64px;padding-top:44px;}
}

/* roulang page: category1 */
:root{
  --bg:#070C12;
  --bg-2:#0C1420;
  --bg-3:#111B29;
  --primary:#25E6A5;
  --accent:#FF6A3D;
  --text:#EAF2F5;
  --text-2:#9BAEBE;
  --text-3:#63788C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --card:rgba(255,255,255,.04);
  --ok:#2BD98B;
  --warn:#FFB020;
  --err:#FF5C6C;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(37,230,165,.45),0 0 28px rgba(37,230,165,.22);
  --wrap:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"DIN Alternate","Bebas Neue",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(118deg, rgba(37,230,165,.035) 1px, transparent 1px),
    linear-gradient(22deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:180px 180px, 260px 260px;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media (min-width:1280px){ .wrap{padding:0 32px} }

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,12,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:24px;height:24px;border:1.5px solid var(--primary);border-radius:6px;
  transform:rotate(45deg);display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 12px rgba(37,230,165,.32);transition:box-shadow .2s ease;
}
.logo:hover .logo-mark{box-shadow:0 0 18px rgba(37,230,165,.55)}
.logo-mark span{width:7px;height:7px;background:var(--primary);border-radius:2px}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;padding:8px 12px;font-size:14px;color:var(--text-2);border-radius:8px;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:12px;bottom:2px;height:2px;width:16px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  position:relative;display:flex;align-items:center;
  width:260px;height:38px;padding:0 10px 0 34px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:var(--radius-xs);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.command-search:focus-within{
  border-color:var(--primary);
  background:rgba(37,230,165,.06);
  box-shadow:0 0 0 1px rgba(37,230,165,.28),0 0 18px rgba(37,230,165,.14);
}
.command-search svg{position:absolute;left:10px;color:var(--text-3)}
.command-search input{width:100%;height:100%;background:none;border:0;font-size:13px;outline:none}
.command-search input::placeholder{color:var(--text-3)}
.command-search kbd{
  flex:0 0 auto;font-family:var(--num);font-size:11px;color:var(--text-3);
  border:1px solid var(--line-strong);border-radius:6px;padding:0 6px;line-height:18px;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius-xs);
  color:var(--text-2);background:rgba(255,255,255,.03);transition:.2s;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(37,230,165,.5)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:600;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .22s ease, background .2s ease, border-color .2s ease, filter .2s ease;
}
.btn-primary{background:var(--primary);color:#04120C;box-shadow:0 0 18px rgba(37,230,165,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(37,230,165,.5),0 0 36px rgba(37,230,165,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 10px rgba(37,230,165,.2)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(37,230,165,.07)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn.is-loading{opacity:.85;cursor:wait}
.btn.is-loading::after{
  content:"";width:12px;height:12px;border-radius:50%;
  border:2px solid rgba(4,18,12,.35);border-top-color:#04120C;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.menu-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-xs);color:var(--text-2);
}
.menu-toggle:hover{color:var(--primary);border-color:rgba(37,230,165,.5)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease, visibility .25s ease;
}
.drawer-mask.on{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:90;
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
}
.drawer.on{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:34px;height:34px;border:1px solid var(--line);border-radius:8px;color:var(--text-2);font-size:18px;line-height:1}
.drawer-close:hover{color:var(--primary);border-color:rgba(37,230,165,.5)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:10px}
.drawer-nav a{padding:11px 10px;font-size:15px;color:var(--text-2);border-radius:8px}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:var(--text)}
.drawer-nav a.is-active{color:var(--primary);background:rgba(37,230,165,.08);font-weight:600}
.drawer .command-search{width:100%}

/* ---------- Hero ---------- */
.hero{padding:72px 0 84px;position:relative;border-bottom:1px solid var(--line)}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,230,165,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);
  border:1px solid rgba(37,230,165,.4);background:rgba(37,230,165,.08);
  border-radius:999px;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;margin-bottom:18px;letter-spacing:-.01em}
h1 .hl{color:var(--primary)}
.hero-sub{font-size:16px;color:var(--text-2);max-width:640px;margin-bottom:28px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;border-top:1px solid var(--line);padding-top:22px}
.hero-metrics li{display:flex;flex-direction:column;gap:2px}
.hero-metrics strong{font-size:15px;color:var(--text);font-weight:700}
.hero-metrics span{font-size:12px;color:var(--text-3)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:5/4}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(140deg, rgba(37,230,165,.32), rgba(7,12,18,0) 62%);
}
.glass-note{
  position:absolute;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--radius-sm);
  background:rgba(12,20,32,.72);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);
}
.glass-note .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary)}
.glass-note strong{display:block;font-size:13px;line-height:1.4}
.glass-note span{display:block;font-size:11px;color:var(--text-3);line-height:1.5}

/* ---------- 板块通用 ---------- */
.sec{padding:96px 0;border-top:1px solid var(--line);position:relative}
.sec:first-of-type{border-top:0}
.sec-head{max-width:720px;margin-bottom:38px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.sec-head p{color:var(--text-2);margin:0;font-size:15px}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--accent);
  margin-bottom:10px;font-weight:600;
}

/* ---------- 指标卡 ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kpi{
  background:var(--card);border:1px solid var(--line);border-top-color:var(--line-strong);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);
  backdrop-filter:blur(12px);transition:transform .2s ease, box-shadow .22s ease, border-color .2s ease;
}
.kpi:hover{transform:translateY(-2px);border-color:rgba(37,230,165,.4);box-shadow:var(--glow)}
.kpi-num{font-family:var(--num);font-size:38px;line-height:1.1;color:var(--primary);letter-spacing:.02em}
.kpi-name{font-size:15px;font-weight:600;margin-top:6px}
.kpi-desc{font-size:12px;color:var(--text-3);line-height:1.7;margin-top:4px}

/* ---------- 筛选与表格 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.pill{
  padding:8px 16px;font-size:14px;color:var(--text-2);
  border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(255,255,255,.02);transition:.18s;
}
.pill:hover{color:var(--text);border-color:rgba(37,230,165,.45)}
.pill.is-on{background:var(--primary);color:#04120C;border-color:var(--primary);font-weight:600;box-shadow:0 0 18px rgba(37,230,165,.25)}
.table-scroll{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-2);box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
.data-table{width:100%;border-collapse:collapse;min-width:900px;font-size:14px}
.data-table thead th{
  text-align:left;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--text-3);padding:14px 18px;background:var(--bg-3);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table tbody td{
  padding:15px 18px;border-bottom:1px solid var(--line);
  color:var(--text-2);vertical-align:middle;
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover td{background:rgba(255,255,255,.03)}
.data-table th:first-child,.data-table td:first-child{
  position:sticky;left:0;z-index:1;background:var(--bg-2);
  font-weight:600;color:var(--text);white-space:nowrap;
  box-shadow:1px 0 0 var(--line);
}
.data-table thead th:first-child{background:var(--bg-3)}
.data-table tbody tr:hover td:first-child{background:#0E1826}
.num{font-family:var(--num);letter-spacing:.02em;color:var(--text);white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  font-size:12px;border-radius:999px;border:1px solid transparent;white-space:nowrap;
}
.badge-live{color:var(--primary);border-color:rgba(37,230,165,.45);background:rgba(37,230,165,.10)}
.badge-soon{color:var(--accent);border-color:rgba(255,106,61,.45);background:rgba(255,106,61,.10)}
.badge-end{color:var(--text-3);border-color:var(--line-strong);background:rgba(255,255,255,.03)}
.tlink{font-size:13px;color:var(--primary);border-bottom:2px solid rgba(37,230,165,.35);padding-bottom:1px}
.tlink:hover{border-bottom-color:var(--primary)}
.table-hint{font-size:12px;color:var(--text-3);margin:12px 0 0}

/* ---------- 对照卡 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.cmp{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-2);box-shadow:var(--shadow)}
.cmp h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.cmp ul li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);line-height:1.7}
.cmp ul li:last-child{border-bottom:0}
.cmp-low li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--text-3);margin-top:10px}
.cmp-hi{border-color:rgba(37,230,165,.45);background:rgba(37,230,165,.05);box-shadow:var(--glow)}
.cmp-hi li::before{
  content:"";flex:0 0 auto;width:13px;height:13px;border-radius:4px;
  border:1px solid var(--primary);background:rgba(37,230,165,.22);margin-top:7px;
}
.cmp-hi li{color:var(--text)}
.cmp-badge{
  font-size:11px;font-weight:600;color:var(--accent);
  border:1px solid rgba(255,106,61,.45);background:rgba(255,106,61,.1);
  border-radius:999px;padding:1px 9px;line-height:18px;
}

/* ---------- 能力卡 ---------- */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ability{
  background:var(--card);border:1px solid var(--line);border-top-color:var(--line-strong);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  backdrop-filter:blur(12px);display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .22s ease, border-color .2s ease;
}
.ability:hover{transform:translateY(-2px);border-color:rgba(37,230,165,.4);box-shadow:var(--glow)}
.ability.main{grid-column:span 2;flex-direction:row;gap:24px;align-items:center}
.ability.main .ability-body{flex:1}
.ability.main img{width:46%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line-strong)}
.ability h3{font-size:18px;margin:14px 0 8px}
.ability.main h3{margin-top:0}
.ability p{font-size:14px;color:var(--text-2);margin:0 0 16px;line-height:1.85}
.ability .link-arrow{margin-top:auto;font-size:14px;color:var(--primary);font-weight:600}
.ability .link-arrow:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.icon-line{
  width:34px;height:34px;border-radius:10px;border:1px solid rgba(37,230,165,.4);
  display:inline-flex;align-items:center;justify-content:center;color:var(--primary);
  background:rgba(37,230,165,.08);
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  padding:22px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-2);position:relative;transition:.2s;
}
.step:hover{border-color:rgba(37,230,165,.4);box-shadow:0 0 20px rgba(37,230,165,.12)}
.step-num{
  width:32px;height:32px;border-radius:50%;background:var(--primary);color:#04120C;
  font-family:var(--num);font-size:15px;display:flex;align-items:center;justify-content:center;
  margin-bottom:12px;box-shadow:0 0 14px rgba(37,230,165,.4);
}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13px;color:var(--text-3);margin:0;line-height:1.8}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0 18px 18px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);min-height:48px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;
  background:var(--line-strong);border-radius:2px;transition:background .2s ease, box-shadow .2s ease;
}
.faq details[open] summary::before{background:var(--primary);box-shadow:0 0 12px rgba(37,230,165,.55)}
.faq summary .sign{
  flex:0 0 auto;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:18px;line-height:1;transition:transform .2s ease, color .2s ease;
}
.faq details[open] summary .sign{transform:rotate(45deg);color:var(--primary)}
.faq .answer{padding:0 18px 20px 18px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:74ch}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-intro h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.contact-intro p{color:var(--text-2);font-size:15px}
.guard-list{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.guard-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.guard-list li::before{
  content:"";width:16px;height:16px;border-radius:5px;flex:0 0 auto;
  border:1px solid var(--primary);background:rgba(37,230,165,.22);
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-top-color:var(--line-strong);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);backdrop-filter:blur(12px);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 12px;
  background:rgba(255,255,255,.03);border:1px solid var(--line-strong);
  border-radius:var(--radius-xs);font-size:14px;transition:.18s;color:var(--text);
}
.field textarea{height:112px;padding:10px 12px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 12px) 19px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(255,255,255,.28)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:rgba(37,230,165,.06);
  box-shadow:0 0 0 3px rgba(37,230,165,.12);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err);background:rgba(255,92,108,.07)}
.err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.form-note{font-size:12px;color:var(--text-3);margin:12px 0 0;line-height:1.7}
.form-success{display:none;text-align:center;padding:32px 8px}
.form-success .ok-mark{
  width:48px;height:48px;margin:0 auto 14px;border-radius:50%;
  border:1px solid rgba(37,230,165,.5);background:rgba(37,230,165,.12);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;
}
.form-success h3{font-size:18px;margin-bottom:8px}
.form-success p{font-size:14px;color:var(--text-2);margin:0 0 18px}
.form-card.is-done .form-body{display:none}
.form-card.is-done .form-success{display:block}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 26px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand .logo{margin-bottom:14px}
.foot-brand p{font-size:13px;color:var(--text-3);line-height:1.85;max-width:320px;margin-bottom:16px}
.foot-social{display:flex;gap:10px}
.foot-col h4{font-size:14px;margin-bottom:14px;color:var(--text)}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li,.foot-col a,.foot-col span{font-size:13px;color:var(--text-3);line-height:1.6}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .command-search{width:190px}
  .menu-toggle{display:inline-flex}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{aspect-ratio:16/10}
  .sec{padding:72px 0}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .ability-grid{grid-template-columns:repeat(2,1fr)}
  .ability.main{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .compare{grid-template-columns:1fr}
  .ability.main{flex-direction:column;align-items:stretch}
  .ability.main img{width:100%}
  .hero-metrics{gap:24px}
}
@media (max-width:640px){
  .sec{padding:56px 0}
  h1{font-size:clamp(27px,7vw,34px)}
  .btn{padding:11px 18px;font-size:14px}
  .hero{padding:44px 0 52px}
  .table-hint{display:block}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .command-search{display:none}
  .nav-tools .btn-cta{display:none}
  .logo-text{font-size:15px}
  .logo-text em{display:none}
  .kpi-grid{grid-template-columns:1fr}
  .ability-grid{grid-template-columns:1fr}
  .ability.main{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
}

/* roulang page: category2 */
:root{
  --bg:#070C12;
  --bg-2:#0C1420;
  --bg-3:#111B29;
  --primary:#25E6A5;
  --primary-dim:rgba(37,230,165,.12);
  --primary-line:rgba(37,230,165,.45);
  --accent:#FF6A3D;
  --text:#EAF2F5;
  --muted:#9BAEBE;
  --dim:#63788C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(37,230,165,.45),0 0 28px rgba(37,230,165,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"DIN Alternate","Bebas Neue","HarmonyOS Sans SC",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  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;
  opacity:.45;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:var(--primary);text-decoration:none}
a:hover{color:#5cf0bd}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media(min-width:1280px){.wrap{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:64px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text);text-decoration:none;flex-shrink:0;
}
.logo:hover{color:var(--text)}
.logo-mark{
  width:26px;height:26px;flex:0 0 26px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--primary);border-radius:8px;
  transform:rotate(45deg);
  box-shadow:0 0 14px rgba(37,230,165,.25);
}
.logo-mark span{
  width:8px;height:8px;border-radius:2px;background:var(--primary);
  display:block;
}
.logo-text{
  font-size:16px;font-weight:800;letter-spacing:.5px;white-space:nowrap;
}
.logo-text em{
  font-style:normal;color:var(--primary);font-weight:800;
}
.nav-links{
  display:flex;align-items:center;gap:22px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  color:var(--muted);
  font-size:15px;
  padding:6px 2px;
  text-decoration:none;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-4px;
  width:16px;height:2px;border-radius:2px;background:var(--primary);
  transform:translateX(-50%) scaleX(0);
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.header-tools{
  display:flex;align-items:center;gap:12px;margin-left:auto;
}
.command-search{
  position:relative;width:260px;
}
.command-search svg{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  color:var(--dim);pointer-events:none;
}
.command-search input{
  width:100%;height:38px;
  border-radius:var(--radius-xs);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:13.5px;
  font-family:inherit;
  padding:0 40px 0 36px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.command-search input::placeholder{color:var(--dim)}
.command-search input:focus{
  outline:none;
  border-color:var(--primary-line);
  background:rgba(37,230,165,.06);
  box-shadow:0 0 0 3px rgba(37,230,165,.10);
}
.command-search kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:var(--num);
  font-size:11px;
  color:var(--dim);
  border:1px solid var(--line);
  border-radius:5px;
  padding:1px 6px;
  line-height:1.4;
  background:rgba(255,255,255,.03);
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-xs);
  border:1px solid var(--line);
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  transition:border-color .2s,color .2s,background .2s;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-line);background:rgba(37,230,165,.06)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .2s,border-color .2s,color .2s;
}
.btn-primary{
  background:var(--primary);
  color:#04140E;
  min-width:108px;
  box-shadow:0 0 12px rgba(37,230,165,.32);
}
.btn-primary:hover{
  color:#04140E;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 36px rgba(37,230,165,.42);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--primary);
}
.btn-ghost:hover{
  border-color:var(--primary-line);
  background:rgba(37,230,165,.06);
  color:var(--primary);
}
.btn-block{width:100%}
.btn[disabled],.btn.is-loading{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--radius-xs);
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary-line);color:var(--primary)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
  z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;
  background:var(--bg-2);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .28s ease;
  z-index:81;
  padding:22px 20px;
  overflow-y:auto;
  display:flex;flex-direction:column;gap:18px;
}
.drawer.open{transform:translateX(0)}
.drawer .command-search{width:100%}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  color:var(--muted);text-decoration:none;font-size:15px;
  padding:11px 10px;border-radius:var(--radius-xs);
  transition:background .2s,color .2s;
}
.drawer-links a:hover,.drawer-links a.active{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-links a.active{box-shadow:inset 2px 0 0 var(--primary)}
.drawer-close{
  align-self:flex-end;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--muted);
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary-line)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:72px 0 76px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(7,12,18,.96) 0%,rgba(7,12,18,.86) 45%,rgba(7,12,18,.7) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.85;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.55;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:24px;padding:0 10px;
  font-size:12px;letter-spacing:.5px;
  border:1px solid var(--primary-line);
  border-radius:999px;
  color:var(--primary);
  background:rgba(37,230,165,.07);
  margin-bottom:18px;
}
.badge .dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 8px var(--primary);
}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--primary)}
.hero-sub{
  color:var(--muted);
  font-size:16.5px;
  line-height:1.85;
  max-width:600px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-points{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-points li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--muted);
}
.hero-points li strong{
  color:var(--text);font-weight:600;
}
.hero-points .tick{
  width:18px;height:18px;border-radius:50%;
  background:var(--primary-dim);
  border:1px solid var(--primary-line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);flex:0 0 18px;
}
.hero-visual{
  position:relative;
  border-radius:20px;
  border:1px solid var(--line);
  padding:10px;
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.hero-visual img{
  width:100%;height:100%;
  aspect-ratio:4/3;object-fit:cover;
  border-radius:14px;
}
.hero-visual::after{
  content:"";
  position:absolute;inset:10px;
  border-radius:14px;
  background:linear-gradient(150deg,rgba(37,230,165,.28),transparent 58%);
  pointer-events:none;
}
.hero-float{
  position:absolute;right:22px;bottom:22px;
  background:rgba(12,20,32,.86);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:14px;
  padding:12px 16px;
  display:flex;align-items:center;gap:10px;
  box-shadow:var(--shadow);
}
.hero-float .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}
.hero-float span{font-size:13px;color:var(--text)}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:clamp(23px,2.6vw,32px);
  font-weight:700;
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85}
.eyebrow{
  display:inline-block;
  font-family:var(--num);
  font-size:12px;letter-spacing:2px;
  color:var(--primary);
  margin-bottom:12px;
  text-transform:uppercase;
}
.breadcrumb{
  font-size:12px;color:var(--dim);
  padding:16px 0 0;
}
.breadcrumb a{color:var(--dim);text-decoration:none}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:var(--primary)}
.breadcrumb i{font-style:normal;margin:0 8px;color:rgba(255,255,255,.18)}

/* ---------- 分类卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.type-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-top-color:rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:28px 24px;
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;gap:12px;
}
.type-card:hover{
  transform:translateY(-2px);
  border-color:rgba(37,230,165,.4);
  box-shadow:0 18px 48px rgba(0,0,0,.45),0 0 20px rgba(37,230,165,.18);
}
.type-card .idx{
  font-family:var(--num);
  font-size:13px;
  letter-spacing:2px;
  color:var(--accent);
}
.type-card h3{font-size:19px;font-weight:600}
.type-card p{color:var(--muted);font-size:14.5px;line-height:1.85}
.type-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.02);
}
.tag.is-accent{color:var(--accent);border-color:rgba(255,106,61,.4);background:rgba(255,106,61,.08)}
.tag.is-primary{color:var(--primary);border-color:var(--primary-line);background:rgba(37,230,165,.08)}

/* ---------- 时间轴 ---------- */
.timeline-layout{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:48px;
  align-items:start;
}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(37,230,165,.05));
}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:9px;
  width:15px;height:15px;border-radius:50%;
  background:var(--bg);
  border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(37,230,165,.12);
}
.tl-item .step{
  font-family:var(--num);font-size:12px;letter-spacing:2px;color:var(--primary);
  margin-bottom:6px;
}
.tl-item h3{font-size:18px;font-weight:600;margin-bottom:8px}
.tl-item p{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:520px}
.timeline-aside{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(37,230,165,.09),rgba(255,255,255,.02));
  padding:12px 12px 24px;
  box-shadow:var(--shadow);
  position:sticky;top:88px;
}
.timeline-aside img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.timeline-aside .aside-body{padding:18px 12px 0}
.timeline-aside h3{font-size:17px;font-weight:600;margin-bottom:10px}
.timeline-aside p{color:var(--muted);font-size:14px;line-height:1.85}
.aside-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.aside-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--muted);
}
.aside-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--accent);flex:0 0 6px;margin-top:9px;
}

/* ---------- 场景卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.scene-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  padding:22px 20px;
  transition:border-color .2s,background .2s,transform .2s;
}
.scene-card:hover{
  border-color:rgba(37,230,165,.38);
  background:rgba(37,230,165,.05);
  transform:translateY(-2px);
}
.scene-card .ico{
  width:34px;height:34px;border-radius:10px;
  border:1px solid var(--primary-line);
  background:var(--primary-dim);
  color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.scene-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.scene-card p{color:var(--muted);font-size:13.5px;line-height:1.8}

/* ---------- 对比 ---------- */
.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  position:relative;
}
.compare-col{
  border-radius:var(--radius);
  padding:26px 24px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.compare-col.strong{
  border-color:var(--primary-line);
  background:linear-gradient(170deg,rgba(37,230,165,.10),rgba(255,255,255,.02));
}
.compare-col h3{
  font-size:17px;font-weight:600;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.compare-col.strong h3{color:var(--primary)}
.compare-row{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;
  font-size:14.5px;
  color:var(--muted);
  border-top:1px solid var(--line);
}
.compare-row:first-of-type{border-top:none}
.compare-col.strong .compare-row{color:var(--text)}
.compare-row .mark{
  width:16px;height:16px;flex:0 0 16px;margin-top:5px;
  border-radius:50%;
  border:1px solid var(--line-strong);
}
.compare-col.strong .mark{
  border-color:var(--primary);
  background:var(--primary);
}
.compare-divider{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:var(--bg-2);
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  z-index:2;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 0;
  font-size:16px;font-weight:600;
  color:var(--text);
  position:relative;
  min-height:48px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:-16px;top:16px;bottom:16px;
  width:2px;border-radius:2px;
  background:var(--line);
  transition:background .2s;
}
.faq-item[open] summary::before{background:var(--primary)}
.faq-item summary .plus{
  margin-left:auto;
  width:20px;height:20px;flex:0 0 20px;
  position:relative;
  color:var(--muted);
  transition:transform .22s ease,color .22s;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-item summary .plus::before{left:0;right:0;top:9px;height:1.6px}
.faq-item summary .plus::after{top:0;bottom:0;left:9px;width:1.6px;transition:opacity .2s}
.faq-item[open] summary .plus{transform:rotate(180deg);color:var(--primary)}
.faq-item[open] summary .plus::after{opacity:0}
.faq-item summary:hover{color:var(--primary)}
.faq-body{
  padding:0 0 20px 0;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.9;
  max-width:720px;
}

/* ---------- CTA / 表单 ---------- */
.cta-section{
  padding:88px 0;
  border-top:1px solid var(--line);
  background:radial-gradient(120% 100% at 15% 0%,rgba(37,230,165,.08),transparent 60%);
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:48px;
  align-items:start;
}
.cta-copy h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.cta-copy p{color:var(--muted);font-size:15.5px;line-height:1.9;margin-bottom:24px}
.cta-list{display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text)}
.cta-list .tick{
  width:20px;height:20px;flex:0 0 20px;border-radius:50%;
  background:var(--primary-dim);border:1px solid var(--primary-line);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
}
.form-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-top-color:rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:30px;
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13.5px;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;
  height:44px;
  border-radius:var(--radius-xs);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  font-family:inherit;
  font-size:14.5px;
  padding:0 14px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.8}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--dim) 50%),linear-gradient(135deg,var(--dim) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary-line);
  background:rgba(37,230,165,.06);
  box-shadow:0 0 0 3px rgba(37,230,165,.10);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:rgba(255,92,108,.6);
}
.err-msg{
  display:none;
  font-size:13px;color:#FF5C6C;
}
.field.has-error .err-msg{display:block}
.form-note{
  font-size:12px;color:var(--dim);
  margin-top:12px;line-height:1.7;
}
.form-success{
  display:none;
  text-align:center;
  padding:36px 12px;
}
.form-success.show{display:block}
.form-success .ok{
  width:52px;height:52px;margin:0 auto 16px;
  border-radius:50%;
  border:1px solid var(--primary-line);
  background:var(--primary-dim);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.form-success h3{font-size:19px;margin-bottom:10px}
.form-success p{color:var(--muted);font-size:14.5px;margin-bottom:22px}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:56px 0 24px;
  position:relative;
  z-index:1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.foot-brand p{
  color:var(--muted);
  font-size:13.5px;
  line-height:1.85;
  margin:16px 0 18px;
  max-width:320px;
}
.foot-social{display:flex;gap:10px}
.foot-col h4{
  font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a,.foot-col span{
  color:var(--muted);
  font-size:13px;
  text-decoration:none;
  transition:color .2s;
}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:var(--dim);
}
.foot-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a{color:var(--dim);text-decoration:none;transition:color .2s}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:560px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline-layout{grid-template-columns:1fr;gap:36px}
  .timeline-aside{position:static}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-section{padding:72px 0}
}
@media (max-width:768px){
  .hero{padding:52px 0 56px}
  .section{padding:56px 0}
  .cta-section{padding:56px 0}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr;gap:16px}
  .compare-divider{display:none}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-card{padding:22px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .section-head{margin-bottom:32px}
  .logo-text{font-size:15px}
}
@media (max-width:520px){
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:10px 18px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .body-cta{position:fixed;left:0;right:0;bottom:0;height:56px;display:flex;align-items:center;padding:8px 16px;background:rgba(7,12,18,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:70}
  .body-cta .btn{width:100%}
  .site-footer{padding-bottom:80px}
}
@media (min-width:521px){
  .body-cta{display:none}
}

/* roulang page: category3 */
:root{
  --bg:#070C12;
  --bg-2:#0C1420;
  --bg-3:#111B29;
  --primary:#25E6A5;
  --accent:#FF6A3D;
  --text:#EAF2F5;
  --text-2:#9BAEBE;
  --text-3:#63788C;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --card:rgba(255,255,255,.04);
  --radius:16px;
  --radius-btn:12px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(37,230,165,.45),0 0 28px rgba(37,230,165,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"DIN Alternate","Bebas Neue","Segoe UI",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(37,230,165,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(37,230,165,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,18,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;flex:0 0 auto}
.logo-mark{position:relative;display:inline-block;width:24px;height:24px;flex:0 0 auto}
.logo-mark::before{
  content:"";position:absolute;inset:2px;
  border:1.5px solid var(--primary);border-radius:5px;
  transform:rotate(45deg);
  transition:box-shadow .25s;
}
.logo-mark span{
  position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--primary);transform:translate(-50%,-50%);
  box-shadow:0 0 10px rgba(37,230,165,.8);
}
.logo:hover .logo-mark::before{box-shadow:0 0 14px rgba(37,230,165,.5)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  color:var(--text-2);font-size:14px;font-weight:600;text-decoration:none;
  white-space:nowrap;transition:color .2s,background .2s;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .22s;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.command-search{
  position:relative;display:flex;align-items:center;
  width:260px;height:38px;padding:0 10px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);border-radius:10px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.command-search:focus-within{
  border-color:var(--primary);
  background:rgba(37,230,165,.06);
  box-shadow:0 0 0 3px rgba(37,230,165,.12);
}
.command-search svg{color:var(--text-3);flex:0 0 auto}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;color:var(--text);
  font-family:inherit;font-size:13px;padding:0 8px;outline:none;height:100%;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search kbd{
  font-family:var(--num);font-size:11px;line-height:16px;color:var(--text-3);
  border:1px solid var(--line-2);border-radius:5px;padding:0 5px;
  background:rgba(255,255,255,.04);
}
.icon-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line-2);background:transparent;color:var(--text-2);
  cursor:pointer;transition:color .2s,border-color .2s,background .2s;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(37,230,165,.5);background:rgba(37,230,165,.06)}
.icon-btn[data-tip]:hover::after{
  content:attr(data-tip);position:absolute;top:calc(100% + 8px);right:0;
  white-space:nowrap;font-size:12px;color:var(--text-2);
  background:var(--bg-2);border:1px solid var(--line-2);
  padding:4px 8px;border-radius:6px;z-index:5;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-family:inherit;font-size:14px;font-weight:700;
  line-height:1;text-decoration:none;cursor:pointer;
  transition:transform .2s,box-shadow .25s,background .2s,color .2s,border-color .2s;
}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:10px}
.btn-primary{background:var(--primary);color:#04150F;box-shadow:0 0 20px rgba(37,230,165,.25)}
.btn-primary:hover{background:#3DF0B3;box-shadow:0 0 36px rgba(37,230,165,.4);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--primary)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(37,230,165,.08)}
.hamburger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-2);background:transparent;color:var(--text);cursor:pointer;
}
.hamburger span{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:280px;max-width:86vw;height:100%;
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:20px;overflow-y:auto;
  transform:translateX(101%);transition:transform .3s ease;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:4px;margin:0 0 18px}
.drawer .nav-link{padding:12px 14px;font-size:15px}
.drawer .nav-link::after{display:none}
.drawer .nav-link.active{background:rgba(37,230,165,.1)}
.drawer .command-search{width:100%;margin-bottom:16px}
.drawer .btn{width:100%}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .drawer{transform:translateX(0)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:12px;color:var(--text-3)}
.crumbs a{color:var(--text-3);text-decoration:none}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{margin:0 8px;opacity:.6}
.crumbs .current{color:var(--primary)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:40px 0 88px;border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,230,165,.6),transparent);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:24px;padding:0 12px;
  border:1px solid rgba(37,230,165,.35);border-radius:999px;
  background:rgba(37,230,165,.07);color:var(--primary);
  font-size:12px;letter-spacing:.04em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;
  letter-spacing:-.01em;margin:16px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{max-width:560px;color:var(--text-2);font-size:16px;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.stat-row{
  display:flex;flex-wrap:wrap;gap:36px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.stat b{
  display:block;font-family:var(--num);font-size:32px;line-height:1.1;
  color:var(--primary);letter-spacing:.02em;
}
.stat span{font-size:13px;color:var(--text-3)}
.hero-art{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--shadow);background:var(--bg-3);
}
.hero-art img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:0}
.hero-art::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,rgba(37,230,165,.32) 0%,rgba(37,230,165,.08) 40%,transparent 72%);
}
.float-card{
  position:absolute;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:12px;
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.18);
  font-size:12px;color:var(--text);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(37,230,165,.9)}

/* ---------- 板块通用 ---------- */
.section{position:relative;padding:96px 0;border-bottom:1px solid var(--line)}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.018),transparent)}
.section-head{max-width:740px;margin-bottom:40px}
.sec-title{font-size:clamp(24px,3vw,32px);margin:14px 0 12px;letter-spacing:-.01em}
.sec-sub{color:var(--text-2);font-size:15px;margin:0}

/* ---------- 能力矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.matrix-card{
  display:flex;flex-direction:column;
  padding:26px 24px;border-radius:var(--radius);
  background:var(--card);
  border:1px solid var(--line);
  border-top:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 18px 48px rgba(0,0,0,.35);
  transition:transform .25s,box-shadow .25s,border-color .25s,background .25s;
}
.matrix-card:hover{
  transform:translateY(-2px);
  border-color:rgba(37,230,165,.4);
  background:rgba(37,230,165,.05);
  box-shadow:var(--glow);
}
.m-icon{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;margin-bottom:16px;
  border:1.5px solid rgba(37,230,165,.55);border-radius:11px;
  color:var(--primary);
  transition:box-shadow .25s,border-color .25s;
}
.matrix-card:hover .m-icon{border-color:var(--primary);box-shadow:0 0 18px rgba(37,230,165,.28)}
.matrix-card h3{font-size:19px;margin-bottom:10px}
.matrix-card p{font-size:14px;line-height:1.85;color:var(--text-2);margin:0}
.m-scene{
  margin:16px 0 18px;padding-top:14px;
  border-top:1px dashed var(--line-2);
  font-size:12.5px;color:var(--text-3);
}
.m-scene b{color:var(--accent);font-weight:600}
.m-link{
  margin-top:auto;align-self:flex-start;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--primary);
  padding-bottom:2px;border-bottom:2px solid rgba(37,230,165,.32);
  transition:border-color .2s,color .2s;
}
.m-link:hover{border-bottom-color:var(--primary);color:#4CF0B8}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-step{
  position:relative;padding:22px 20px;border-radius:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.flow-step:hover{transform:translateY(-2px);border-color:rgba(37,230,165,.35)}
.flow-step:not(:last-child)::after{
  content:"→";position:absolute;right:-14px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:14px;opacity:.75;z-index:2;
}
.step-no{font-family:var(--num);font-size:12px;letter-spacing:.1em;color:var(--primary)}
.flow-step h3{font-size:16px;margin:8px 0 8px}
.flow-step p{font-size:13.5px;line-height:1.8;color:var(--text-2);margin:0}
.flow-step.is-current{border-color:rgba(37,230,165,.45);box-shadow:var(--glow)}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--bg-2);
  transition:border-color .25s,box-shadow .25s,transform .25s;
}
.scene-card:hover{border-color:rgba(37,230,165,.35);box-shadow:var(--shadow);transform:translateY(-2px)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.scene-body{padding:24px 24px 26px}
.scene-body h3{font-size:18px;margin-bottom:10px}
.scene-body p{font-size:14px;color:var(--text-2);margin:0}
.scene-list{display:grid;gap:8px;margin-top:14px}
.scene-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.scene-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--primary);
}

/* ---------- 保障 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.assure{
  padding:26px 24px;border-radius:14px;
  background:rgba(255,255,255,.025);border:1px solid var(--line);
  transition:background .25s,border-color .25s;
}
.assure:hover{background:rgba(37,230,165,.05);border-color:rgba(37,230,165,.35)}
.assure h3{font-size:17px;margin:14px 0 8px}
.assure p{font-size:14px;line-height:1.85;color:var(--text-2);margin:0}
.tick{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;
  color:var(--primary);background:rgba(37,230,165,.12);
  border:1px solid rgba(37,230,165,.35);
}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;gap:14px;
  min-height:48px;padding:18px 0;cursor:pointer;
  list-style:none;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";flex:0 0 auto;width:2px;height:18px;border-radius:2px;
  background:var(--line-2);transition:background .2s,box-shadow .2s;
}
.faq summary::after{
  content:"+";margin-left:auto;font-family:var(--num);font-size:20px;
  color:var(--text-3);transition:transform .25s,color .25s;
}
.faq summary:hover{color:var(--primary)}
.faq details[open] summary::before{background:var(--primary);box-shadow:0 0 12px rgba(37,230,165,.6)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--primary)}
.faq-body{
  padding:0 0 20px 16px;max-width:760px;
  font-size:14.5px;line-height:1.9;color:var(--text-2);
}

/* ---------- CTA 窄条 ---------- */
.cta-section{padding:72px 0;border-bottom:1px solid var(--line)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 38px;border-radius:18px;
  border:1px solid rgba(37,230,165,.35);
  background:linear-gradient(90deg,rgba(37,230,165,.12),rgba(255,255,255,.02));
  box-shadow:0 18px 48px rgba(0,0,0,.35);
}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
.cta-inner p{font-size:14px;color:var(--text-2);margin:0}
.cta-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex:0 0 auto}
.cta-side small{font-size:12px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  padding:64px 0 0;
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.foot-brand p{max-width:320px;margin:16px 0 18px;font-size:13.5px;line-height:1.9;color:var(--text-3)}
.foot-social{display:flex;gap:10px}
.foot-col h4{font-size:14px;margin-bottom:14px;color:var(--text)}
.foot-col ul{display:grid;gap:10px}
.foot-col a,.foot-col span{font-size:13px;color:var(--text-3);text-decoration:none;transition:color .2s}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.foot-bottom nav{display:flex;gap:18px}
.foot-bottom a{color:var(--text-3);text-decoration:none}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 移动吸底 ---------- */
.mobile-cta{display:none}

/* ---------- 断点 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .hamburger{display:inline-flex}
  .command-search{width:190px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:32px 0 64px}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:not(:last-child)::after{display:none}
  .scene-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px}
  .cta-side{align-items:flex-start;width:100%}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .command-search{display:none}
  .icon-btn[data-tip]{display:none}
  .header-inner{gap:12px}
  .logo-text{font-size:15px}
  .hero{padding:24px 0 52px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .stat-row{gap:22px}
  .stat b{font-size:26px}
  .matrix-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .section{padding:56px 0}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:55;
    height:56px;padding:8px 16px;align-items:center;
    background:rgba(7,12,18,.94);
    border-top:1px solid var(--line);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  }
  .mobile-cta .btn{width:100%}
  body{padding-bottom:56px}
}

/* roulang page: category4 */
:root{
  --bg:#070C12;
  --bg-2:#0C1420;
  --bg-3:#111B29;
  --primary:#25E6A5;
  --primary-soft:rgba(37,230,165,.12);
  --accent:#FF6A3D;
  --text:#EAF2F5;
  --text-2:#9BAEBE;
  --text-3:#63788C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(37,230,165,.45),0 0 28px rgba(37,230,165,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bebas Neue","SF Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(37,230,165,.10),transparent 62%),
    radial-gradient(720px 420px at 92% 2%,rgba(255,106,61,.07),transparent 66%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.022) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(25deg,rgba(255,255,255,.014) 0 1px,transparent 1px 48px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:14.5px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.wrap{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,12,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:inline-flex;align-items:center;gap:11px;font-size:16.5px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:26px;height:26px;flex:none;display:grid;place-items:center;
  border:1.5px solid var(--primary);border-radius:7px;
  transform:rotate(45deg);
  box-shadow:0 0 16px rgba(37,230,165,.28);
}
.logo-mark span{width:8px;height:8px;border-radius:2px;background:var(--accent);display:block}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:var(--radius-xs);
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;
  background:var(--primary);border-radius:2px;transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link:hover::after{width:12px}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{width:16px}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;width:250px;height:38px;padding:0 10px;
  border:1px solid var(--line-strong);border-radius:var(--radius-xs);
  background:rgba(255,255,255,.04);color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.command-search svg{flex:none}
.command-search:focus-within{
  border-color:var(--primary);
  background:rgba(37,230,165,.05);
  box-shadow:0 0 0 1px rgba(37,230,165,.32),0 0 18px rgba(37,230,165,.16);
}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  color:var(--text);font-size:13.5px;letter-spacing:.01em;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search kbd{
  flex:none;font-family:var(--font-num);font-size:11px;line-height:1;
  padding:3px 6px;border:1px solid var(--line-strong);border-radius:6px;color:var(--text-3);
}
.icon-btn{
  width:38px;height:38px;flex:none;display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:var(--radius-xs);
  background:transparent;color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:rgba(37,230,165,.08)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 20px;height:44px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,filter .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--primary);color:#04140F;
  box-shadow:0 0 12px rgba(37,230,165,.35);
}
.btn-primary:hover{filter:brightness(1.07);box-shadow:0 0 36px rgba(37,230,165,.42);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none;filter:brightness(.98)}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--primary);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(37,230,165,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--radius-xs);min-width:108px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-xs);
  border:1px solid var(--line-strong);background:transparent;color:var(--text);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:91;width:288px;max-width:86vw;height:100%;
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:22px 20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .28s ease;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:34px;height:34px;border-radius:var(--radius-xs);border:1px solid var(--line-strong);
  background:transparent;color:var(--text-2);display:grid;place-items:center;
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary)}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{
  padding:12px 12px;border-radius:var(--radius-xs);color:var(--text-2);font-size:15px;
}
.drawer nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer nav a.active{color:var(--primary);background:var(--primary-soft);font-weight:600}
.drawer .command-search{width:100%}
.drawer .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-bottom:26px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .current{color:var(--primary)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 68px;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,230,165,.65),transparent);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 11px;
  border:1px solid rgba(37,230,165,.4);border-radius:999px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);background:rgba(37,230,165,.08);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(255,106,61,.8)}
h1{
  margin:18px 0 0;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.18;font-weight:800;letter-spacing:.01em;
}
h1 .hl{color:var(--primary)}
.lede{
  margin-top:18px;max-width:640px;
  font-size:16.5px;line-height:1.85;color:var(--text-2);
}
.hero-search{max-width:520px;width:100%;height:46px;margin-top:26px;border-radius:var(--radius-sm)}
.hero-search input{font-size:14.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:30px}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts .val{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--primary);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.hero-facts .lab{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}
.hero-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  background:var(--bg-3);
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(37,230,165,.28),rgba(7,12,18,.05) 55%,rgba(7,12,18,.7));
  pointer-events:none;
}
.glass-chip{
  position:absolute;right:14px;bottom:14px;z-index:2;
  display:flex;align-items:center;gap:9px;
  padding:10px 14px;border-radius:var(--radius-sm);
  background:rgba(12,20,32,.72);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-size:12.5px;color:var(--text-2);
}
.glass-chip .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(37,230,165,.16);
}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section-alt{background:linear-gradient(180deg,rgba(12,20,32,.72),rgba(7,12,18,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--primary);
  margin-bottom:12px;
}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.6vw,31px);font-weight:700;line-height:1.3}
.section-head p{margin-top:10px;max-width:640px;color:var(--text-2);font-size:15px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--primary);
  border-bottom:2px solid rgba(37,230,165,.4);padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-color:var(--primary)}

/* ---------- 快速要点卡 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.quick-card{
  position:relative;padding:24px 22px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  border-top-color:rgba(255,255,255,.13);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.quick-card:hover{
  transform:translateY(-2px);
  border-color:rgba(37,230,165,.4);
  box-shadow:0 18px 48px rgba(0,0,0,.45),0 0 20px rgba(37,230,165,.18);
}
.quick-card .qc-icon{
  width:34px;height:34px;display:grid;place-items:center;border-radius:var(--radius-xs);
  border:1px solid rgba(37,230,165,.4);color:var(--primary);margin-bottom:16px;
}
.quick-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.quick-card p{font-size:14px;line-height:1.8;color:var(--text-2)}
.quick-card .tagline{
  display:inline-block;margin-top:14px;font-size:12px;color:var(--accent);
  border:1px solid rgba(255,106,61,.4);border-radius:999px;padding:2px 10px;
}

/* ---------- FAQ 分栏 ---------- */
.faq-layout{display:grid;grid-template-columns:258px 1fr;gap:40px;align-items:start}
.faq-index{
  position:sticky;top:92px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.035);
  padding:18px 14px;
}
.faq-index h3{font-size:13px;letter-spacing:.12em;color:var(--text-3);padding:0 8px 12px;border-bottom:1px solid var(--line);margin-bottom:10px}
.faq-index a{
  display:block;padding:10px 12px;margin-bottom:2px;
  border-left:2px solid transparent;border-radius:0 var(--radius-xs) var(--radius-xs) 0;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.faq-index a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.faq-index a.active{border-left-color:var(--primary);color:var(--primary);background:rgba(37,230,165,.07)}
.faq-index .index-note{
  margin-top:14px;padding:12px;border-radius:var(--radius-xs);
  background:rgba(37,230,165,.07);border:1px solid rgba(37,230,165,.2);
  font-size:12.5px;line-height:1.75;color:var(--text-2);
}
.group-card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.035);
  padding:0 24px;margin-bottom:24px;
  scroll-margin-top:96px;
  transition:border-color .22s ease;
}
.group-card:hover{border-color:rgba(255,255,255,.16)}
.group-card h2{
  font-size:19px;font-weight:700;padding:20px 0 16px;
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;
}
.group-card h2 .g-mark{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 8px rgba(255,106,61,.7)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:18px 0 18px 14px;
  font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:transparent;transition:background-color .2s ease;
}
.faq-item summary:hover{color:var(--primary)}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::before{background:var(--primary);box-shadow:0 0 10px rgba(37,230,165,.6)}
.chev{
  flex:none;width:22px;height:22px;display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:50%;color:var(--text-2);
  font-size:14px;line-height:1;transition:transform .22s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] .chev{transform:rotate(180deg);color:var(--primary);border-color:rgba(37,230,165,.5)}
.faq-a{
  padding:0 0 20px 14px;max-width:760px;
  font-size:15px;line-height:1.9;color:var(--text-2);
}
.faq-a strong{color:var(--text);font-weight:600}
.faq-empty{
  margin-top:24px;padding:28px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--text-2);font-size:14.5px;background:rgba(255,255,255,.02);
}
.is-hidden{display:none !important}

/* ---------- 处理流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:24px 20px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--bg-2);
  transition:border-color .22s ease,transform .22s ease;
}
.step:hover{border-color:rgba(37,230,165,.4);transform:translateY(-2px)}
.step .step-no{
  font-family:var(--font-num);font-size:13px;letter-spacing:.16em;
  color:var(--primary);margin-bottom:10px;display:flex;align-items:center;gap:8px;
}
.step .step-no i{width:8px;height:8px;border-radius:50%;background:var(--primary);display:inline-block;box-shadow:0 0 12px rgba(37,230,165,.7)}
.step h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.step p{font-size:13.8px;line-height:1.8;color:var(--text-2)}

/* ---------- 仍未解决 ---------- */
.help-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:34px 32px;border-radius:var(--radius-lg);
  border:1px solid rgba(37,230,165,.32);
  background:linear-gradient(120deg,rgba(37,230,165,.1),rgba(12,20,32,.7) 55%);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.help-card h2{font-size:23px;font-weight:700;margin-bottom:8px}
.help-card p{font-size:14.5px;color:var(--text-2);max-width:620px}
.help-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:start}
.contact-copy h2{font-size:clamp(23px,2.5vw,30px);line-height:1.32}
.contact-copy p{margin-top:16px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:460px}
.assure{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.assure li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-2)}
.assure .tick{
  width:20px;height:20px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:rgba(37,230,165,.14);border:1px solid rgba(37,230,165,.45);color:var(--primary);font-size:11px;
}
.form-card{
  padding:28px;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border-radius:var(--radius-xs);
  background:rgba(7,12,18,.65);border:1px solid var(--line-strong);
  color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);background:rgba(37,230,165,.06);
  box-shadow:0 0 0 1px rgba(37,230,165,.28);
}
.field select option{background:var(--bg-2);color:var(--text)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#FF5C6C;box-shadow:0 0 0 1px rgba(255,92,108,.3)}
.err{display:none;margin-top:6px;font-size:13px;color:#FF5C6C}
.field.invalid .err{display:block}
.form-card .btn{width:100%}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-msg{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-xs);font-size:14px}
.form-msg.ok{display:block;color:#2BD98B;background:rgba(43,217,139,.12);border:1px solid rgba(43,217,139,.4)}
.form-msg.bad{display:block;color:#FF5C6C;background:rgba(255,92,108,.12);border:1px solid rgba(255,92,108,.4)}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,20,32,.9),rgba(7,12,18,1));
  padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:320px}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social .icon-btn{width:34px;height:34px}
.foot-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:13.5px;color:var(--text-3)}
.foot-col a{font-size:13.5px;color:var(--text-3)}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-3);
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 移动端吸底 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  padding:0 16px;align-items:center;gap:12px;
  background:rgba(7,12,18,.94);border-top:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.mobile-bar .btn{flex:1;height:40px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .command-search{width:210px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-card{order:-1;max-width:560px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-index{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;white-space:nowrap}
  .faq-index h3,.faq-index .index-note{display:none}
  .faq-index a{border-left:0;border-radius:999px;padding:8px 14px;border:1px solid var(--line-strong);margin-bottom:0}
  .faq-index a.active{border-color:var(--primary);background:rgba(37,230,165,.12)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:640px){
  body{padding-bottom:64px}
  .head-inner{height:62px;gap:12px}
  .command-search{display:none}
  .head-actions .btn-sm{display:none}
  .logo{font-size:15px}
  .logo-text em{font-size:15px}
  .page-hero{padding:34px 0 46px}
  .quick-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .group-card{padding:0 16px}
  .faq-item summary{font-size:15px;padding-left:12px}
  .faq-a{padding-left:12px;font-size:14.5px}
  .help-card{padding:26px 20px}
  .help-actions .btn{width:100%}
  .form-card{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .mobile-bar{display:flex}
  .section{padding:48px 0}
  .hero-facts{gap:10px 26px}
  .hero-facts .val{font-size:19px}
}