/* roulang page: index */
:root{
  --bg:#050A14;
  --panel:#0A1526;
  --card:#0C1A2E;
  --deep:#0E2A4E;
  --accent:#2FE0C8;
  --accent-2:#1FB9D8;
  --orange:#FF7A3D;
  --text:#E8F1FF;
  --text-2:#9FB3CE;
  --text-3:#6B7F9B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.12);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(47,224,200,.35),0 8px 30px rgba(47,224,200,.28);
  --sect:72px;
  --bs-body-bg:#050A14;
  --bs-body-color:#E8F1FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#9FB3CE;
  --bs-link-hover-color:#E8F1FF;
  --bs-primary:#2FE0C8;
  --bs-primary-rgb:47,224,200;
  --bs-emphasis-color:#E8F1FF;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--text-2);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--text)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,224,200,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#040810}
::-webkit-scrollbar-thumb{background:#1B2B44;border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:#27395A}

.container,
.container-fluid,
.container-sm,
.container-md,
.container-lg,
.container-xl{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 通用元素 ============ */
.kicker{
  display:inline-block;
  font-size:13px;
  letter-spacing:2px;
  color:var(--accent);
  margin-bottom:10px;
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,32px)}
.sec-desc{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.section{padding:var(--sect) 0;border-top:1px solid var(--line);position:relative}
.section--flush{border-top:0}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--accent);
  font-weight:600;
}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--accent);
  background:rgba(47,224,200,.08);
  border:1px solid rgba(47,224,200,.3);
}
.glass{
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#2FE0C8,#1FB9D8);
  color:#05121F;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-glow:hover{color:#05121F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,224,200,.45),0 12px 38px rgba(47,224,200,.36)}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(47,224,200,.3),0 4px 16px rgba(47,224,200,.2)}
.btn-glow:disabled{filter:saturate(.4);opacity:.7;box-shadow:none;cursor:not-allowed}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid var(--glass-line);
  background:transparent;
  color:var(--text);
  font-size:14px;
  font-weight:500;
  transition:border-color .22s ease,background .22s ease,color .22s ease;
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(255,255,255,.08);color:var(--text)}
.btn-ghost--solid{background:rgba(255,255,255,.08)}
.btn-ghost--orange{border-color:rgba(255,122,61,.55);color:#FFB08A}
.btn-ghost--orange:hover{border-color:var(--orange);background:rgba(255,122,61,.1);color:#FFCBB0}
.w-full{width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(5,10,20,.6);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(5,10,20,.92);border-bottom-color:var(--line-2)}
.topbar{
  display:flex;
  align-items:center;
  gap:24px;
  padding:20px 0;
  transition:padding .3s ease;
}
.site-header.is-scrolled .topbar{padding:10px 0}
.brand{
  display:inline-flex;
  align-items:center;
  flex:0 0 auto;
  font-size:20px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--text);
}
.brand:hover{color:var(--text)}
.brand-badge{
  margin-left:6px;
  padding:2px 10px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  color:#05121F;
  background:linear-gradient(135deg,#2FE0C8,#1FB9D8);
  box-shadow:0 0 0 1px rgba(47,224,200,.35);
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:580px;
  min-width:320px;
  display:flex;
  align-items:center;
  height:46px;
  padding:0 6px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,224,200,.18)}
.nav-search > i{color:var(--text-3);font-size:15px;flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
  padding:0 12px;
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  flex:0 0 auto;
  height:34px;
  padding:0 18px;
  border:0;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2FE0C8,#1FB9D8);
  color:#05121F;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:filter .2s ease;
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.05);
  color:var(--text);
  cursor:pointer;
  flex:0 0 auto;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.catbar{border-top:1px solid var(--line);background:rgba(10,21,38,.45)}
.catbar-inner{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.catbar-inner::-webkit-scrollbar{display:none}
.cat-link{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-2);
  border:1px solid transparent;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.cat-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.cat-link.is-active{
  color:var(--accent);
  border-color:rgba(47,224,200,.45);
  background:rgba(47,224,200,.08);
}
.offcanvas-drawer{background:var(--panel);color:var(--text);border-right:1px solid var(--line);width:320px}
.offcanvas-drawer .drawer-search{margin-bottom:18px}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--accent)}
.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:88px 0 96px}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.6;
  transform:scale(1.03);
}
.hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(5,10,20,.96) 0%,rgba(5,10,20,.8) 42%,rgba(5,10,20,.38) 100%);
}
.hero-grid{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 28% 32%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 28% 32%,#000,transparent 72%);
}
.hero-inner{position:relative;z-index:2}
.hero h1{
  font-size:clamp(28px,4vw,46px);
  line-height:1.25;
  margin:18px 0 16px;
  letter-spacing:.4px;
}
.hero-sub{font-size:16px;color:var(--text-2);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}
.hero-note{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--accent)}

.login-card{padding:26px 24px}
.login-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.login-card-title{font-size:18px;font-weight:600}
.login-card-tag{
  font-size:12px;
  color:var(--accent);
  border:1px solid rgba(47,224,200,.35);
  border-radius:var(--r-pill);
  padding:2px 10px;
}
.field-label{display:block;font-size:13px;color:var(--text-3);margin:0 0 6px}
.field{
  width:100%;
  height:46px;
  border-radius:var(--r-input);
  background:rgba(0,0,0,.35);
  border:1px solid var(--line-2);
  color:var(--text);
  font-size:14px;
  padding:0 14px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field::placeholder{color:var(--text-3)}
.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,224,200,.16)}
textarea.field{height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
select.field{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6B7F9B 50%),linear-gradient(135deg,#6B7F9B 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field-group{margin-bottom:16px}
.field-row{display:flex;gap:12px}
.field-row .field{flex:1 1 auto;min-width:0}
.code-box{
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 104px;
  width:104px;
  border-radius:var(--r-input);
  background:rgba(47,224,200,.08);
  border:1px dashed rgba(47,224,200,.35);
  color:var(--accent);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:4px;
  font-size:15px;
}
.login-card .btn-glow{margin-top:6px}
.login-card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:14px;
  font-size:13px;
}
.login-card-foot a{color:var(--text-2)}
.login-card-foot a:hover{color:var(--accent)}

/* ============ 指标 ============ */
.stat-card{padding:24px 22px;text-align:left}
.stat-num{
  font-family:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:clamp(30px,3.4vw,40px);
  font-weight:700;
  line-height:1.1;
  color:var(--accent);
  text-shadow:0 0 22px rgba(47,224,200,.35);
}
.stat-num span{font-size:.55em;margin-left:2px}
.stat-name{font-size:15px;font-weight:600;margin-top:12px;color:var(--text)}
.stat-sub{font-size:12px;color:var(--text-3);margin-top:4px}

/* ============ 服务矩阵 ============ */
.svc-lead{
  position:relative;
  min-height:100%;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  display:flex;
  align-items:flex-end;
}
.svc-lead-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .5s ease}
.svc-lead:hover .svc-lead-bg{transform:scale(1.04)}
.svc-lead-veil{position:absolute;inset:0;background:linear-gradient(160deg,rgba(5,10,20,.55),rgba(5,10,20,.94))}
.svc-lead-body{position:relative;z-index:2;padding:28px 26px}
.svc-lead-body h3{font-size:22px;margin-bottom:10px}
.svc-lead-body p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.svc-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:rgba(47,224,200,.08);
  border:1px solid rgba(47,224,200,.3);
  color:var(--accent);
  font-size:16px;
  margin-bottom:14px;
}
.svc-stack{display:grid;gap:24px;height:100%}
.svc-card{
  position:relative;
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.svc-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  opacity:.55;
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--line-2);background:rgba(255,255,255,.07)}
.svc-card h3{font-size:17px;margin-bottom:8px}
.svc-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.svc-card-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:13px;
  color:var(--accent);
}
.svc-small-row{margin-top:24px}
.svc-card--sm{min-height:190px;display:flex;flex-direction:column}
.svc-card--sm p{flex:1 1 auto}

/* ============ 资讯列表 ============ */
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.news-lead{grid-column:1 / -1}
.news-lead{
  display:grid;
  grid-template-columns:40% 60%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease;
}
.news-lead:hover{transform:translateY(-4px);border-color:var(--line-2)}
.news-lead-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-lead:hover .news-lead-media img{transform:scale(1.05)}
.news-lead-body{padding:24px 26px;display:flex;flex-direction:column}
.news-lead-body h3{font-size:20px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead-body h3 a{color:var(--text)}
.news-lead-body h3 a:hover{color:var(--accent)}
.news-lead-desc{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:12px;
  color:var(--text-3);
  margin-top:auto;
  flex-wrap:wrap;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.badge-cat{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--accent);
  background:rgba(47,224,200,.08);
  border:1px solid rgba(47,224,200,.28);
}
.news-row{
  display:flex;
  gap:14px;
  padding:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .3s ease,border-color .3s ease;
}
.news-row:hover{transform:translateY(-4px);border-color:var(--line-2)}
.news-row-thumb{
  flex:0 0 96px;
  width:96px;
  height:64px;
  border-radius:10px;
  overflow:hidden;
}
.news-row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-row:hover .news-row-thumb img{transform:scale(1.06)}
.news-row-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.news-row-title{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-row-body a:hover .news-row-title{color:var(--accent)}
.news-row-desc{
  font-size:13px;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-row-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3)}
.empty-state{
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  padding:32px;
  border:1px dashed var(--line-2);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:28px;color:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:15px}
.news-more{display:flex;justify-content:center;margin-top:28px}
.news-more a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-2);
  color:var(--text-2);
  font-size:14px;
  transition:border-color .22s ease,color .22s ease;
}
.news-more a:hover{border-color:var(--accent);color:var(--accent)}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;position:relative}
.compare-col{padding:28px 26px}
.compare-col--muted{border-right:1px dashed var(--line-2)}
.compare-col h3{font-size:18px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-col--muted h3{color:var(--text-2)}
.compare-col--accent h3{color:var(--accent)}
.compare-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  font-size:14.5px;
  line-height:1.7;
  border-bottom:1px solid var(--line);
}
.compare-list li:last-child{border-bottom:0}
.compare-col--muted .compare-list i{color:var(--text-3);margin-top:4px}
.compare-col--muted .compare-list span{color:var(--text-2)}
.compare-col--accent .compare-list i{color:var(--accent);margin-top:4px}
.compare-col--accent .compare-list span{color:var(--text)}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto}
.faq .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
}
.faq .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:18px 22px;
  box-shadow:none;
  display:flex;
  align-items:center;
  gap:14px;
  border:0;
  width:100%;
  text-align:left;
  transition:background .28s ease,color .28s ease,box-shadow .28s ease;
}
.faq .accordion-button:not(.collapsed){
  color:var(--accent);
  background:rgba(47,224,200,.05);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq .accordion-button:focus{box-shadow:none;outline:3px solid var(--accent);outline-offset:-3px}
.faq .accordion-button::after{
  content:"";
  width:9px;
  height:9px;
  margin-left:auto;
  flex:0 0 auto;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  background-image:none;
  transition:transform .28s ease,border-color .28s ease;
}
.faq .accordion-button:not(.collapsed)::after{border-color:var(--accent);transform:rotate(-135deg)}
.faq-num{
  font-family:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;
  color:var(--accent);
  opacity:.85;
  flex:0 0 auto;
}
.faq .accordion-body{
  padding:4px 22px 22px 46px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ 表单 ============ */
.cta-form{padding:28px 26px}
.point-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 0;
  font-size:15px;
  color:var(--text-2);
}
.point-list i{color:var(--accent);margin-top:5px}
.contact-line{
  margin-top:22px;
  padding:14px 18px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  display:flex;
  align-items:center;
  gap:10px;
}
.contact-line i{color:var(--accent)}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7}
.form-check-line{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;font-size:13px;color:var(--text-2)}
.form-check-line input{width:16px;height:16px;margin-top:3px;accent-color:var(--accent);flex:0 0 auto}
.form-check-line a{color:var(--accent)}

/* ============ 页脚 ============ */
.site-footer{background:#03070F;border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{
  display:inline-flex;
  align-items:center;
  font-size:19px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-2);
  transition:border-color .22s ease,color .22s ease,transform .22s ease;
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:var(--text-3);margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--text-2)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero{padding:72px 0 80px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  :root{--sect:56px}
  .nav-search{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:inline-flex}
  .topbar{justify-content:space-between;gap:16px}
  .hero{padding:56px 0 64px}
  .hero-sub{max-width:100%}
  .login-card{margin-top:8px}
  .compare{grid-template-columns:1fr}
  .compare-col--muted{border-right:0;border-bottom:1px dashed var(--line-2)}
  .news-list{grid-template-columns:1fr}
  .news-lead{grid-template-columns:1fr}
  .news-lead-media{aspect-ratio:16/9}
}
@media (max-width:767.98px){
  :root{--sect:44px}
  .container,.container-fluid,.container-sm,.container-md,.container-lg,.container-xl{padding-left:16px;padding-right:16px}
  .hero{padding:44px 0 56px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%}
  .sec-head{align-items:flex-start}
  .compare-col{padding:22px 18px}
  .svc-lead-body{padding:22px 20px}
  .news-lead-body{padding:20px 18px}
  .cta-form{padding:22px 18px}
  .faq .accordion-button{padding:16px;font-size:15px}
  .faq .accordion-body{padding:4px 16px 18px 16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid .footer-col:last-child{grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .news-row-thumb{flex:0 0 80px;width:80px;height:56px}
  .stat-card{padding:20px 18px}
  .field-row{flex-direction:column}
  .code-box{width:100%;flex:0 0 46px;height:46px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#050A14;
  --bg-2:#0A1526;
  --card:#0C1A2E;
  --brand-900:#0E2A4E;
  --accent:#2FE0C8;
  --accent-2:#1FB9D8;
  --orange:#FF7A3D;
  --text:#E8F1FF;
  --text-2:#9FB3CE;
  --text-3:#6B7F9B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-sm:0 2px 10px rgba(0,0,0,.35);
  --shadow-md:0 10px 30px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(47,224,200,.35),0 8px 30px rgba(47,224,200,.28);
  --container:1200px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --bs-primary:#2FE0C8;
  --bs-body-bg:#050A14;
  --bs-body-color:#E8F1FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#9FB3CE;
  --bs-link-hover-color:#E8F1FF;
  --bs-font-sans-serif:var(--font-sans);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--text);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;line-height:1.25;margin:0;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(47,224,200,.28);color:#04121C;}

:focus-visible{outline:3px solid rgba(47,224,200,.85);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(5,10,20,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(5,10,20,.92);
  border-bottom-color:var(--line-2);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-main{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:88px;
  transition:min-height .28s ease;
}
.site-header.is-scrolled .header-main{min-height:64px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#04121C;
  font-size:17px;
  box-shadow:0 6px 18px rgba(47,224,200,.28);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-badge{
  display:inline-block;
  margin-left:6px;
  padding:2px 9px 3px;
  font-size:12px;
  font-weight:600;
  line-height:1.4;
  color:var(--accent);
  border:1px solid rgba(47,224,200,.42);
  border-radius:var(--r-pill);
  background:rgba(47,224,200,.08);
  vertical-align:middle;
}
.footer-brand .brand-badge{margin-left:6px;}

.nav-search{
  position:relative;
  flex:1 1 auto;
  min-width:320px;
  max-width:560px;
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.07);
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  padding:5px 5px 5px 18px;
  transition:border-color .24s ease,box-shadow .24s ease,background-color .24s ease;
}
.nav-search:focus-within{
  border-color:rgba(47,224,200,.7);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(47,224,200,.14);
}
.nav-search > i{
  color:var(--text-3);
  font-size:15px;
  margin-right:12px;
}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:14.5px;
  height:38px;
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex-shrink:0;
  border:0;
  cursor:pointer;
  height:38px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#04121C;
  font-size:14px;
  font-weight:700;
  box-shadow:0 6px 18px rgba(47,224,200,.3);
  transition:transform .2s ease,filter .2s ease;
}
.search-btn:hover{filter:brightness(1.08);transform:translateY(-1px);}
.search-btn:active{transform:translateY(0);}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  margin-left:auto;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid var(--glass-border);
  background:transparent;
  color:var(--text);
  font-size:14.5px;
  font-weight:600;
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:rgba(47,224,200,.6);background:rgba(255,255,255,.08);color:var(--text);transform:translateY(-1px);}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:42px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#04121C;
  font-size:14.5px;
  font-weight:700;
  box-shadow:var(--shadow-glow);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-glow:hover{color:#04121C;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,224,200,.5),0 12px 36px rgba(47,224,200,.34);}
.btn-glow:active{transform:translateY(0);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(47,224,200,.55);}
.search-icon-btn{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:16px;
}

/* 分类入口条 */
.catbar{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.catbar-inner{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:6px 0;
}
.catbar-inner::-webkit-scrollbar{display:none;}
.cat-link{
  position:relative;
  flex-shrink:0;
  padding:9px 16px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  border-radius:var(--r-pill);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.cat-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.cat-link.is-active{
  color:var(--accent);
  border-color:rgba(47,224,200,.45);
  background:rgba(47,224,200,.08);
}
.cat-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  width:18px;
  height:2px;
  border-radius:2px;
  transform:translateX(-50%);
  background:var(--accent);
  box-shadow:0 0 10px rgba(47,224,200,.7);
}

/* 移动抽屉 */
.drawer{
  background:var(--bg-2);
  border-left:1px solid var(--line-2);
  width:min(88vw,360px);
}
.drawer .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.drawer .offcanvas-body{padding:20px;}
.drawer-search{margin-bottom:20px;min-width:0;max-width:none;flex-wrap:wrap;border-radius:16px;padding:8px 8px 8px 16px;}
.drawer-search input{width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
}
.drawer-nav a.is-active{color:var(--accent);border-color:rgba(47,224,200,.45);background:rgba(47,224,200,.08);}
.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-actions .btn-ghost,.drawer-actions .btn-glow{width:100%;}

/* ============ 内页页头 ============ */
.page-hero{
  position:relative;
  isolation:isolate;
  padding:64px 0 56px;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(5,10,20,.95) 0%,rgba(5,10,20,.68) 52%,rgba(5,10,20,.38) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--text-2);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .current{color:var(--text-2);font-weight:600;}

.hero-tagline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(47,224,200,.4);
  background:rgba(47,224,200,.08);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);
  max-width:820px;
  letter-spacing:.01em;
}
.page-hero h1 .hl{
  color:var(--accent);
  text-shadow:0 0 26px rgba(47,224,200,.35);
}
.hero-sub{
  margin-top:16px;
  max-width:680px;
  font-size:16px;
  color:var(--text-2);
}
.anchor-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.anchor-pills a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 16px;
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.anchor-pills a:hover{color:var(--accent);border-color:rgba(47,224,200,.5);background:rgba(47,224,200,.08);transform:translateY(-1px);}
.anchor-pills i{font-size:12px;}

/* ============ 主体布局 ============ */
.content-section{padding:72px 0 0;}
.layout-row{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
/* 左侧目录 */
.toc{
  position:sticky;
  top:104px;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-2);
  box-shadow:var(--shadow-sm);
}
.toc-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:16px;
}
.toc-title::after{content:"";flex:1;height:1px;background:var(--line);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto;}
.toc-list a{
  display:block;
  padding:9px 12px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.toc-list a.is-active{
  color:var(--accent);
  border-left-color:var(--accent);
  background:rgba(47,224,200,.08);
}
.toc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}
.toc-foot a{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.toc-foot a:hover{color:#7DF3E2;}

/* ============ 步骤卡流 ============ */
.flow-head{margin-bottom:32px;}
.flow-head h2{font-size:clamp(22px,2.6vw,30px);}
.flow-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:640px;}

.step-card{
  display:grid;
  grid-template-columns:86px minmax(0,1fr);
  gap:24px;
  padding:28px;
  background:var(--card);
  border:1px solid var(--line);
  border-top:2px solid transparent;
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  margin-bottom:24px;
  scroll-margin-top:120px;
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  border-top-color:rgba(47,224,200,.6);
  box-shadow:var(--shadow-md);
}
.step-num{
  font-family:var(--font-mono);
  font-size:44px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--accent);
  text-shadow:0 0 24px rgba(47,224,200,.35);
}
.step-num span{
  display:block;
  margin-top:10px;
  font-family:var(--font-sans);
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--text-3);
  text-shadow:none;
}
.step-body h3{font-size:20px;margin-bottom:12px;}
.step-body p{color:var(--text-2);font-size:15.5px;}
.step-body p + p{margin-top:10px;}
.step-points{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.step-points li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--text-2);
}
.step-points li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:8px;height:8px;
  border-radius:2px;
  border:1.5px solid var(--accent);
  background:rgba(47,224,200,.14);
}
.step-media{
  margin:18px 0 0;
  border-radius:var(--r-input);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
}
.step-media .ratio-box{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.step-card:hover .step-media img{transform:scale(1.03);}
.step-media figcaption{
  padding:10px 14px;
  font-size:12.5px;
  color:var(--text-3);
  border-top:1px solid var(--line);
}
.step-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent);
}
.step-link i{transition:transform .24s ease;}
.step-link:hover{color:#7DF3E2;}
.step-link:hover i{transform:translateX(4px);}

/* 提示条 */
.notice{
  display:grid;
  grid-template-columns:3px minmax(0,1fr);
  gap:20px;
  margin:8px 0 32px;
  padding:20px 22px;
  background:rgba(255,122,61,.07);
  border:1px solid rgba(255,122,61,.24);
  border-radius:var(--r-card);
}
.notice .bar{background:var(--orange);border-radius:3px;box-shadow:0 0 14px rgba(255,122,61,.6);}
.notice h3{font-size:15.5px;color:var(--orange);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.notice p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* 核对清单 */
.check-section{padding:64px 0 0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:660px;}
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.check-card{
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-2);
  transition:border-color .28s ease,transform .28s ease;
}
.check-card:hover{border-color:rgba(47,224,200,.45);transform:translateY(-4px);}
.check-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid rgba(47,224,200,.4);
  background:rgba(47,224,200,.08);
  color:var(--accent);
  font-size:17px;
  margin-bottom:16px;
}
.check-card h3{font-size:16.5px;margin-bottom:10px;}
.check-card p{font-size:14.5px;color:var(--text-2);}
.check-list{margin-top:14px;display:flex;flex-direction:column;gap:7px;}
.check-list li{
  display:flex;
  gap:9px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-2);
}
.check-list i{color:var(--accent);font-size:12px;margin-top:6px;}

/* 底部按钮条 */
.cta-bar{padding:64px 0 88px;}
.cta-bar-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:30px 32px;
  border:1px solid rgba(47,224,200,.24);
  border-radius:var(--r-card);
  background:linear-gradient(100deg,rgba(47,224,200,.12),rgba(31,185,216,.05) 45%,rgba(255,255,255,.02));
}
.cta-bar-inner h2{font-size:20px;}
.cta-bar-inner p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#03060E;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  display:inline-block;
}
.footer-desc{
  margin-top:14px;
  font-size:13.5px;
  line-height:1.8;
  color:var(--text-3);
  max-width:320px;
}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--accent);border-color:rgba(47,224,200,.5);transform:translateY(-2px);}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13.5px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.7;
}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:12px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding:18px 0 24px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search{max-width:440px;min-width:260px;}
  .layout-row{grid-template-columns:220px minmax(0,1fr);gap:36px;}
}
@media (max-width:991px){
  .header-main{min-height:72px;gap:14px;}
  .nav-search{display:none;}
  .search-icon-btn{display:inline-flex;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-ghost{display:none;}
  .layout-row{grid-template-columns:minmax(0,1fr);gap:32px;}
  .toc{position:static;top:auto;}
  .toc-list{flex-direction:row;flex-wrap:wrap;max-height:none;overflow:visible;}
  .toc-list a{border-left:0;border-bottom:2px solid transparent;border-radius:8px;padding:8px 12px;background:rgba(255,255,255,.04);}
  .toc-list a.is-active{border-left:0;border-bottom-color:var(--accent);}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding:52px 0 46px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .content-section{padding-top:44px;}
  .check-section{padding-top:44px;}
  .cta-bar{padding:44px 0 64px;}
  .step-card{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px;}
  .step-num{font-size:34px;}
  .step-num span{margin-top:6px;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .cta-bar-inner{padding:24px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{flex:1 1 auto;}
}
@media (max-width:575px){
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .card,.step-card{border-radius:14px;}
  .hero-sub{font-size:15px;}
}

/* roulang page: article */
:root{
  --bg:#050A14;
  --bg-2:#0A1526;
  --card:#0C1A2E;
  --primary:#0E2A4E;
  --accent:#2FE0C8;
  --accent-2:#1FB9D8;
  --orange:#FF7A3D;
  --text:#E8F1FF;
  --text-2:#9FB3CE;
  --text-3:#6B7F9B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(47,224,200,.35),0 8px 30px rgba(47,224,200,.28);
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --bs-primary:#2FE0C8;
  --bs-body-bg:#050A14;
  --bs-body-color:#E8F1FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#9FB3CE;
  --bs-link-hover-color:#E8F1FF;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--text-2);text-decoration:none;transition:color .22s ease,border-color .22s ease}
a:hover{color:var(--text)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(47,224,200,.75);outline-offset:2px;border-radius:4px}
::selection{background:rgba(47,224,200,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#060D1A}
::-webkit-scrollbar-thumb{background:rgba(47,224,200,.26);border-radius:999px;border:2px solid #060D1A}
::-webkit-scrollbar-thumb:hover{background:rgba(47,224,200,.45)}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;position:relative;z-index:1}
.container.narrow{max-width:1140px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:linear-gradient(180deg,rgba(5,10,20,.92),rgba(5,10,20,.5));
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(5,10,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.45);
}
.topbar{
  display:flex;align-items:center;gap:24px;
  height:88px;transition:height .3s ease;
}
.site-header.is-stuck .topbar{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#05121F;font-size:16px;box-shadow:0 6px 18px rgba(47,224,200,.3);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-badge{
  display:inline-block;margin-left:6px;padding:2px 9px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--accent);background:rgba(47,224,200,.12);
  border:1px solid rgba(47,224,200,.42);
}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:52%;min-width:320px;height:46px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  padding:0 6px 0 44px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.nav-search:focus-within{
  border-color:var(--accent);
  background:rgba(47,224,200,.06);
  box-shadow:0 0 0 3px rgba(47,224,200,.18);
}
.nav-search .search-icon{
  position:absolute;left:18px;color:var(--text-3);font-size:15px;pointer-events:none;
}
.nav-search input{
  flex:1 1 auto;height:100%;background:transparent;border:0;outline:none;
  color:var(--text);font-size:14.5px;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3)}
.search-btn{
  flex:0 0 auto;height:34px;padding:0 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#05121F;font-size:14px;font-weight:600;
  box-shadow:0 4px 14px rgba(47,224,200,.32);
  transition:transform .2s ease,filter .2s ease;
}
.search-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.search-btn:active{transform:translateY(0)}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid var(--glass-border);color:var(--text);
  background:transparent;font-size:15px;font-weight:500;
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(255,255,255,.08);color:var(--text);transform:translateY(-1px)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#05121F;font-size:15px;font-weight:600;
  box-shadow:0 0 0 1px rgba(47,224,200,.35),0 8px 30px rgba(47,224,200,.28);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#05121F;box-shadow:0 0 0 1px rgba(47,224,200,.45),0 14px 38px rgba(47,224,200,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(47,224,200,.3),0 6px 18px rgba(47,224,200,.22)}
.btn-primary.lg,.btn-ghost.lg{height:48px;padding:0 26px}
.btn-outline-warn{
  border-color:rgba(255,122,61,.55)!important;color:#FFC2A4!important;
}
.btn-outline-warn:hover{border-color:var(--orange)!important;background:rgba(255,122,61,.1)!important;color:#FFD9C6!important}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--glass-border);color:var(--text);font-size:17px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}

.catbar{border-top:1px solid var(--line);background:rgba(5,10,20,.4)}
.site-header.is-stuck .catbar{border-top-color:transparent}
.catbar-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none}
.catbar-inner::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-2);border:1px solid transparent;white-space:nowrap;
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.cat-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.cat-link.is-active{
  color:var(--accent);border-color:rgba(47,224,200,.42);
  background:rgba(47,224,200,.08);box-shadow:0 0 0 1px rgba(47,224,200,.16);
}
.cat-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px rgba(47,224,200,.8);
}

/* ============ 阅读进度 ============ */
.read-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(47,224,200,.7);z-index:1040;transition:width .1s linear;
}

/* ============ 面包屑与标题条 ============ */
.page-main{padding:32px 0 0}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent)}
.crumb-sep{color:rgba(107,127,155,.7)}
.crumb-current{
  color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52ch;
}
.article-headline{
  border-top:1px solid var(--line);
  padding-top:24px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:40px;
}
.head-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);font-size:13px;
  color:var(--accent);background:rgba(47,224,200,.1);
  border:1px solid rgba(47,224,200,.36);
}
.cat-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.head-meta{font-size:13px;color:var(--text-3);font-family:var(--mono)}
.head-meta + .head-meta::before{content:"·";margin-right:10px;color:rgba(107,127,155,.6)}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.28;
  letter-spacing:-.01em;
  max-width:24ch;
}

/* ============ 主体两栏 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;
  align-items:start;
  padding-bottom:8px;
}
.article-body{
  max-width:42em;
  font-size:17px;
  line-height:1.9;
  color:#D7E3F4;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;padding-left:16px;
  margin:40px 0 16px;
  font-size:clamp(21px,2.3vw,27px);
  color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;width:3px;height:1.05em;
  background:var(--accent);border-radius:2px;box-shadow:0 0 12px rgba(47,224,200,.65);
}
.article-body h3{margin:30px 0 12px;font-size:19px;color:var(--text);font-weight:600}
.article-body h4{margin:24px 0 10px;font-size:17px;color:var(--text);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:9px;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--accent);opacity:.85;
}
.article-body ol{counter-reset:li}
.article-body ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.1em;
  font-family:var(--mono);font-size:13px;color:var(--accent);
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--accent);
  background:rgba(255,255,255,.045);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:20px 0;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(47,224,200,.35)}
.article-body a:hover{color:#7FF3E3;border-bottom-color:#7FF3E3}
.article-body strong{color:var(--text);font-weight:600}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{
  background:rgba(47,224,200,.1);color:var(--text);font-weight:600;
  padding:12px 14px;text-align:left;border:0;
}
.article-body tbody td{
  padding:12px 14px;border:0;border-top:1px solid var(--line);color:var(--text-2);
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.028)}
.article-body code{
  font-family:var(--mono);font-size:14px;padding:2px 7px;border-radius:6px;
  background:rgba(47,224,200,.1);color:#9CF2E4;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 空态 */
.empty-block{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:rgba(255,255,255,.02);padding:48px 24px;text-align:center;
}
.empty-block i{font-size:32px;color:var(--text-3)}
.empty-block p{color:var(--text-2);font-size:16px}
.skeleton{display:flex;flex-direction:column;gap:14px;margin-top:16px}
.skeleton span{display:block;height:14px;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.06),rgba(255,255,255,.12),rgba(255,255,255,.06));background-size:200% 100%;animation:sk 1.6s infinite}
.skeleton span:nth-child(1){width:92%}
.skeleton span:nth-child(2){width:78%}
.skeleton span:nth-child(3){width:86%}
.skeleton span:nth-child(4){width:64%}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ============ 侧栏 ============ */
.side-inner{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-title{
  display:flex;align-items:center;gap:9px;
  font-size:14px;font-weight:600;color:var(--text);
  letter-spacing:.04em;margin-bottom:14px;
}
.side-title::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(47,224,200,.6)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-link{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;line-height:1.55;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.toc-link.is-current{
  color:var(--accent);border-left-color:var(--accent);
  background:rgba(47,224,200,.08);box-shadow:inset 0 0 0 1px rgba(47,224,200,.16);
}
.related-list{display:flex;flex-direction:column;gap:14px}
.related-item{display:flex;gap:12px;align-items:flex-start;color:var(--text-2)}
.related-item:hover{color:var(--text)}
.related-thumb{
  flex:0 0 72px;width:72px;height:48px;border-radius:8px;overflow:hidden;
  border:1px solid var(--line);background:#0A1526;
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-item:hover .related-thumb img{transform:scale(1.06)}
.related-text{font-size:14px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-tip{font-size:12.5px;color:var(--text-3);margin-top:12px}
.back-home{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--accent)}
.back-home i{transition:transform .22s ease}
.back-home:hover i{transform:translateX(-4px)}

/* ============ 文末 ============ */
.article-foot{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.tag-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag-group .tag-label{font-size:13px;color:var(--text-3)}
.tag{
  padding:4px 13px;border-radius:var(--r-pill);font-size:13px;
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease;
}
.tag:hover{color:var(--accent);border-color:rgba(47,224,200,.4)}
.foot-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 相关阅读 ============ */
.section{padding:76px 0}
.section.tight{padding:56px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:32px;
}
.section-head h2{font-size:clamp(21px,2.4vw,28px)}
.section-head .head-sub{font-size:14px;color:var(--text-3);margin-top:8px}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--accent)}
.link-more i{transition:transform .22s ease}
.link-more:hover i{transform:translateX(4px)}

.card-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.read-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.read-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.read-card .card-media{aspect-ratio:16/9;overflow:hidden;background:#0A1526}
.read-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.read-card:hover .card-media img{transform:scale(1.04)}
.read-card .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.read-card .card-body h3{font-size:16.5px;line-height:1.5;font-weight:600}
.read-card .card-body h3 a{color:var(--text)}
.read-card .card-body h3 a:hover{color:var(--accent)}
.read-card .card-desc{
  font-size:14px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.read-card .card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;font-family:var(--mono)}
.read-card .card-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(107,127,155,.6)}

/* ============ CTA ============ */
.cta-strip{
  position:relative;overflow:hidden;
  border:1px solid var(--glass-border);border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(47,224,200,.14),rgba(31,185,216,.06) 55%,rgba(255,122,61,.06));
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h2{font-size:clamp(20px,2.3vw,26px);margin-bottom:10px}
.cta-strip p{color:var(--text-2);font-size:15px;max-width:60ch}
.cta-strip .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;background:#03060E;border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:inline-block;font-size:19px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:color .22s ease,border-color .22s ease,transform .22s ease;
}
.footer-social a:hover{color:var(--accent);border-color:rgba(47,224,200,.45);transform:translateY(-2px)}
.footer-col h4{font-size:14.5px;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-3)}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:9px;font-size:13.5px;color:var(--text-3);line-height:1.7}
.footer-contact i{margin-top:4px;color:rgba(47,224,200,.7)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ Offcanvas ============ */
.offcanvas.mobile-nav{background:#071022;color:var(--text);border-left:1px solid var(--line);width:320px}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:600}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.mobile-nav .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:18px}
.mobile-search{display:flex;align-items:center;height:46px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line-strong);padding:0 16px;gap:10px}
.mobile-search i{color:var(--text-3)}
.mobile-search input{flex:1;background:transparent;border:0;outline:none;font-size:14.5px;color:var(--text);min-width:0}
.mobile-links{display:flex;flex-direction:column;gap:6px}
.mobile-links a{padding:11px 14px;border-radius:10px;font-size:15px;color:var(--text-2);border:1px solid transparent}
.mobile-links a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.mobile-links a.is-active{color:var(--accent);border-color:rgba(47,224,200,.4);background:rgba(47,224,200,.08)}
.mobile-actions{display:flex;flex-direction:column;gap:10px;padding-top:6px;border-top:1px solid var(--line)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:30px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .nav-search{display:none}
  .topbar{height:72px;gap:14px}
  .topbar-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .side-inner{position:static;margin-top:40px}
  .article-body{max-width:100%}
  .section{padding:56px 0}
  .card-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-strip{padding:30px 26px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand-text{font-size:17px}
  .catbar-inner{height:46px}
  .page-main{padding-top:22px}
  .article-title{font-size:clamp(23px,7vw,30px);max-width:100%}
  .article-body{font-size:16px}
  .article-body h2{margin-top:32px}
  .card-row{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .section{padding:44px 0}
  .cta-strip{padding:24px 20px;flex-direction:column;align-items:flex-start}
  .cta-strip .cta-actions{width:100%}
  .cta-strip .cta-actions .btn-primary,.cta-strip .cta-actions .btn-ghost{flex:1 1 100%;justify-content:center}
  .article-foot{flex-direction:column;align-items:flex-start}
  .head-meta{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bs-body-bg:#050A14;
  --bs-body-color:#E8F1FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#9FB3CE;
  --bs-link-hover-color:#E8F1FF;
  --bs-primary:#2FE0C8;
  --bs-primary-rgb:47,224,200;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bg:#050A14;
  --bg-deep:#03060D;
  --panel:#0A1526;
  --card:#0C1A2E;
  --primary-deep:#0E2A4E;
  --accent:#2FE0C8;
  --accent-2:#1FB9D8;
  --signal:#FF7A3D;
  --text:#E8F1FF;
  --muted:#9FB3CE;
  --dim:#6B7F9B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.06);
  --r-card:16px;
  --r-btn:10px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(0,0,0,.35);
  --sh-2:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(47,224,200,.35), 0 8px 30px rgba(47,224,200,.28);
  --sec:84px;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block}
a{color:var(--muted);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--text)}
button,input,select,textarea{font:inherit;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(5,10,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{background:rgba(4,8,17,.94);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:88px;
  transition:height .28s ease;
}
.site-header.is-scrolled .topbar-inner{height:64px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(47,224,200,.22),rgba(31,185,216,.08));
  border:1px solid rgba(47,224,200,.42);
  color:var(--accent);
  font-size:16px;
  box-shadow:0 0 18px rgba(47,224,200,.16);
}
.logo-text{font-size:19px;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:.5px}
.brand-badge{
  display:inline-block;
  margin-left:6px;
  padding:2px 9px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  border-radius:var(--r-pill);
  color:#05121F;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  vertical-align:middle;
}

.search-wrap{
  position:relative;
  display:flex;
  align-items:center;
  flex:0 1 48%;
  min-width:320px;
  height:46px;
  padding:0 6px 0 42px;
  background:var(--panel);
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.search-wrap:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(47,224,200,.18);
  background:#0B1B2F;
}
.search-icon{position:absolute;left:16px;color:var(--dim);font-size:14px;pointer-events:none}
.search-input{
  flex:1 1 auto;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:14px;
}
.search-input::placeholder{color:var(--dim)}
.search-btn{
  flex:0 0 auto;
  height:34px;
  padding:0 18px;
  border:0;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#05121F;
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  box-shadow:0 4px 16px rgba(47,224,200,.26);
  transition:filter .22s ease,box-shadow .22s ease;
}
.search-btn:hover{filter:brightness(1.09);box-shadow:0 6px 22px rgba(47,224,200,.36)}

.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#05121F;font-size:15px;font-weight:600;
  cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.08);color:#05121F;box-shadow:0 0 0 1px rgba(47,224,200,.45),0 12px 34px rgba(47,224,200,.34)}
.btn-main:active{transform:translateY(0);filter:brightness(.97);box-shadow:0 0 0 1px rgba(47,224,200,.3)}
.btn-main.is-disabled,.btn-main:disabled{opacity:.45;filter:saturate(.4);box-shadow:none;cursor:not-allowed}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border:1px solid var(--line-2);border-radius:var(--r-btn);
  background:transparent;color:var(--text);font-size:15px;
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(255,255,255,.08);color:var(--text);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

.btn-sm{height:40px;padding:0 18px;font-size:14px}

.hamburger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:var(--r-btn);
  background:transparent;color:var(--text);cursor:pointer;
}
.hamburger:hover{border-color:var(--accent);color:var(--accent)}

/* 分类入口条 */
.catbar{border-top:1px solid var(--line);background:rgba(6,12,24,.55)}
.catbar-inner{display:flex;align-items:center;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.catbar-inner::-webkit-scrollbar{display:none}
.cat-link{
  position:relative;
  padding:6px 16px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .22s ease,border-color .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.cat-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.cat-link.is-active{
  color:var(--accent);
  border-color:rgba(47,224,200,.45);
  background:rgba(47,224,200,.08);
  box-shadow:0 0 0 1px rgba(47,224,200,.16);
}
.cat-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:-9px;
  width:20px;height:2px;
  transform:translateX(-50%);
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(47,224,200,.7);
}

/* ============ 内页页头 ============ */
.page-head{padding:56px 0 34px;border-bottom:1px solid var(--line)}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.95fr);gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;margin-bottom:18px;
  border:1px solid rgba(47,224,200,.34);
  border-radius:var(--r-pill);
  background:rgba(47,224,200,.07);
  color:var(--accent);
  font-size:13px;letter-spacing:.4px;
}
.page-title{
  font-size:clamp(28px,4vw,44px);
  line-height:1.24;
  max-width:20em;
}
.page-lead{
  margin-top:18px;
  max-width:34em;
  font-size:16px;
  color:var(--muted);
}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.head-note{margin-top:16px;font-size:13px;color:var(--dim)}

.stat-card{
  padding:26px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh-2);
}
.stat-card-title{margin-bottom:18px;font-size:14px;color:var(--muted);letter-spacing:.6px}
.stat-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.stat-list li:last-child{border-bottom:0;padding-bottom:0}
.stat-num{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:var(--accent);
  text-shadow:0 0 22px rgba(47,224,200,.4);
}
.stat-unit{font-size:15px;margin-left:2px}
.stat-label{font-size:13px;color:var(--muted);text-align:right}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-tight{padding:0 0 var(--sec)}
.section-alt{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:36px;max-width:46em}
.sec-title{font-size:clamp(22px,2.6vw,31px)}
.sec-title::after{
  content:"";
  display:block;
  width:46px;height:3px;
  margin-top:14px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}
.sec-sub{margin-top:14px;font-size:15px;color:var(--muted)}

/* 标签切换条 */
.tabs-row{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:8px;
  margin-bottom:34px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(10,21,38,.7);
}
.tab-pill{
  padding:9px 20px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--muted);
  transition:color .22s ease,background-color .22s ease,border-color .22s ease;
}
.tab-pill:hover{color:var(--text);background:rgba(255,255,255,.06)}
.tab-pill.is-active{
  color:#05121F;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  border-color:transparent;
  box-shadow:0 6px 20px rgba(47,224,200,.24);
}

.group-title{
  display:flex;align-items:center;gap:10px;
  margin:0 0 20px;
  font-size:17px;
  color:var(--text);
}
.group-title::before{
  content:"";
  width:3px;height:18px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px rgba(47,224,200,.6);
}
.group-block + .group-block{margin-top:48px}

/* 服务矩阵卡 */
.svc-card{
  position:relative;
  display:flex;
  align-items:flex-start;
  gap:16px;
  height:100%;
  padding:24px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .32s ease,border-color .32s ease,box-shadow .32s ease;
}
.svc-card::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transition:width .38s ease;
}
.svc-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,224,200,.4);
  box-shadow:var(--sh-2);
}
.svc-card:hover::after{width:100%}
.svc-icon{
  flex:0 0 auto;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(47,224,200,.35);
  background:rgba(47,224,200,.08);
  color:var(--accent);
  font-size:17px;
}
.svc-body{flex:1 1 auto;min-width:0}
.svc-title{display:block;font-size:17px;font-weight:600;color:var(--text)}
.svc-text{
  display:block;
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
.svc-arrow{
  flex:0 0 auto;
  align-self:center;
  color:var(--dim);
  font-size:13px;
  transition:transform .28s ease,color .28s ease;
}
.svc-card:hover .svc-arrow{transform:translateX(4px);color:var(--accent)}

/* 图文自查块 */
.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  aspect-ratio:16/9;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.media-frame:hover img{transform:scale(1.03)}
.media-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,20,.12),rgba(5,10,20,.55));
  pointer-events:none;
}
.check-list{margin-top:26px}
.check-list li{
  position:relative;
  padding:14px 0 14px 30px;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--muted);
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:0;top:16px;
  font-size:12px;
  color:var(--accent);
}
.check-list strong{color:var(--text);font-weight:600}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step-item{
  position:relative;
  padding:26px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--panel);
  transition:border-color .3s ease,transform .3s ease;
}
.step-item:hover{border-color:rgba(47,224,200,.35);transform:translateY(-4px)}
.step-num{
  display:block;
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  line-height:1;
  color:var(--accent);
  text-shadow:0 0 20px rgba(47,224,200,.36);
}
.step-title{margin-top:16px;font-size:16px}
.step-text{margin-top:10px;font-size:14px;color:var(--muted)}

/* 问题速查 */
.qf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px}
.qf-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  transition:border-color .28s ease,background-color .28s ease,transform .28s ease;
}
.qf-item:hover{border-color:rgba(47,224,200,.4);background:#0D1E33;transform:translateY(-2px)}
.qf-main{flex:1 1 auto;min-width:0}
.qf-q{display:block;font-size:15px;font-weight:600;color:var(--text)}
.qf-a{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}
.qf-item i{color:var(--dim);font-size:13px;transition:transform .28s ease,color .28s ease}
.qf-item:hover i{transform:translateX(4px);color:var(--accent)}

/* 提示条 */
.notice-bar{
  display:flex;
  gap:16px;
  padding:22px 24px;
  border-left:3px solid var(--signal);
  border-radius:0 12px 12px 0;
  background:rgba(255,122,61,.08);
}
.notice-bar i{color:var(--signal);font-size:16px;margin-top:4px}
.notice-bar p{font-size:14px;color:var(--muted)}
.notice-bar strong{color:var(--text);font-weight:600}

/* CTA 条 */
.cta-bar{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 34px;
  border:1px solid rgba(47,224,200,.28);
  border-radius:var(--r-card);
  overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(47,224,200,.14),rgba(31,185,216,.05)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  background-blend-mode:normal;
  box-shadow:var(--sh-2);
}
.cta-bar::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,10,20,.92),rgba(5,10,20,.66));
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:36em}
.cta-title{font-size:clamp(20px,2.4vw,26px)}
.cta-desc{margin-top:12px;font-size:15px;color:var(--muted)}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  padding-top:64px;
  background:#02050C;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:inline-flex;align-items:center;font-size:18px;font-weight:700;color:var(--text)}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.85;color:var(--dim);max-width:30em}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:10px;
  color:var(--muted);font-size:14px;
  transition:border-color .24s ease,color .24s ease,transform .24s ease;
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.footer-col h4{margin-bottom:18px;font-size:15px;color:var(--text)}
.footer-col ul li{margin-bottom:11px;font-size:14px}
.footer-col ul li a{color:var(--muted)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;font-size:13px;color:var(--dim);line-height:1.7}
.footer-contact i{margin-top:5px;color:var(--accent);font-size:12px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--dim);
}

/* ============ 移动端抽屉 ============ */
.drawer{background:#071022 !important;color:var(--text);border-left:1px solid var(--line)}
.drawer-title{font-size:16px;font-weight:700;color:var(--text)}
.drawer-close{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:10px;
  background:transparent;color:var(--text);cursor:pointer;
}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-search{width:100%;min-width:0;flex:1 1 auto;margin-bottom:26px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:13px 16px;
  border:1px solid var(--line);
  border-radius:12px;
  font-size:15px;
  color:var(--muted);
}
.drawer-nav a:hover{border-color:var(--line-2);color:var(--text)}
.drawer-nav a.is-active{
  border-color:rgba(47,224,200,.45);
  background:rgba(47,224,200,.08);
  color:var(--accent);
}
.drawer-actions{display:flex;gap:12px;margin-top:26px}
.drawer-actions a{flex:1 1 0}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
}
@media (max-width:1199px){
  .page-head-grid{grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr);gap:32px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  :root{--sec:60px}
  .search-wrap{display:none}
  .hamburger{display:inline-flex}
  .topbar-inner{height:72px;gap:14px}
  .site-header.is-scrolled .topbar-inner{height:62px}
  .page-head{padding:40px 0 28px}
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .stat-card{max-width:520px}
  .qf-grid{grid-template-columns:1fr}
  .cta-bar{padding:26px 24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .svc-card:hover{transform:none}
}
@media (max-width:767px){
  :root{--sec:46px}
  .container{padding:0 16px}
  .logo-text{font-size:17px}
  .logo-mark{width:34px;height:34px}
  .topbar-actions .btn-ghost{display:none}
  .steps{grid-template-columns:1fr}
  .tabs-row{border-radius:16px;padding:10px}
  .tab-pill{padding:8px 15px;font-size:13px}
  .page-title{max-width:none}
  .head-actions .btn-main,.head-actions .btn-ghost{flex:1 1 100%}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%}
  .stat-card{padding:22px 18px}
  .svc-card{padding:20px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .qf-item{padding:16px 16px}
  .cta-bar{padding:22px 18px}
  .notice-bar{padding:18px 16px}
}