/* roulang page: index */
:root{
  --bg:#06111F;
  --surface:#0A1929;
  --surface-2:#0C1C2E;
  --glass:rgba(12,28,46,0.62);
  --glass-soft:rgba(12,28,46,0.42);
  --primary:#35D6C5;
  --primary-dim:rgba(53,214,197,0.14);
  --gold:#F0B45A;
  --text:#EAF4FF;
  --muted:#9FB3C8;
  --line:rgba(120,220,255,0.16);
  --line-strong:rgba(120,220,255,0.34);
  --error:#E07A6A;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,0.28);
  --shadow-soft:0 8px 24px rgba(0,0,0,0.22);
  --font: "Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7DEFE2;}
button{font-family:inherit;}
input,button,textarea{font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

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

/* ---------- 背景层 ---------- */
.page-bg{
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(53,214,197,0.16), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(240,180,90,0.09), transparent 66%),
    radial-gradient(800px 700px at 60% 108%, rgba(53,214,197,0.08), transparent 70%),
    var(--bg);
}
.page-grid{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(120,220,255,0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120,220,255,0.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,0.9), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,0.9), transparent 78%);
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,17,31,0.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,17,31,0.92);
  box-shadow:0 10px 30px rgba(0,0,0,0.35);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:17px;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(53,214,197,0.95),rgba(53,214,197,0.32));
  box-shadow:0 0 20px rgba(53,214,197,0.35);
  color:#04141a;
  font-size:16px;
  flex:0 0 auto;
}
.brand-text{white-space:nowrap;}
.nav-channels{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:10px;
  color:var(--muted);
  font-size:14.5px;
  font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(120,220,255,0.07);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(53,214,197,0.2));
  box-shadow:0 0 10px rgba(53,214,197,0.65);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:236px;
  height:40px;
  padding:0 14px;
  border-radius:12px;
  background:var(--glass-soft);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(53,214,197,0.16);
  background:rgba(12,28,46,0.7);
}
.nav-search input{
  width:100%;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
  outline:none;
}
.nav-search input::placeholder{color:rgba(159,179,200,0.72);}
.nav-search svg{flex:0 0 auto;opacity:.75;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:linear-gradient(135deg,#4BE7D6,#20B7A8);
  color:#04181c;
  box-shadow:0 0 0 rgba(53,214,197,0);
}
.btn-primary:hover{
  color:#04181c;
  box-shadow:0 0 24px rgba(53,214,197,0.45);
  background:linear-gradient(135deg,#68F2E2,#2ACBBC);
}
.btn-ghost{
  background:rgba(120,220,255,0.06);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(53,214,197,0.12);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-gold{
  background:linear-gradient(135deg,#F7C77E,#E2A445);
  color:#241403;
  box-shadow:0 0 22px rgba(240,180,90,0.28);
}
.btn-gold:hover{
  color:#241403;
  box-shadow:0 0 26px rgba(240,180,90,0.46);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.nav-cta{height:40px;padding:0 20px;font-size:14.5px;}

.burger{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(120,220,255,0.06);
  color:var(--text);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.burger:hover{background:rgba(53,214,197,0.14);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:none;
}
.drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;inset:0;
  background:rgba(3,9,17,0.72);
  backdrop-filter:blur(4px);
}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(340px,86vw);
  height:100%;
  background:linear-gradient(180deg,rgba(10,25,41,0.99),rgba(6,17,31,0.99));
  border-left:1px solid var(--line);
  padding:20px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  animation:drawerIn .26s ease;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:12px;
}
.drawer-close{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;
}
.drawer-close:hover{color:var(--text);border-color:var(--line-strong);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 12px;border-radius:12px;
  color:var(--muted);font-size:15px;
  border:1px solid transparent;
}
.drawer-link:hover{color:var(--text);background:rgba(120,220,255,0.07);}
.drawer-link.is-active{
  color:var(--text);
  background:rgba(53,214,197,0.1);
  border-color:var(--line);
  font-weight:600;
}
.drawer-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  display:grid;gap:10px;
}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0;}
.section-tight{padding:60px 0;}
.section-head{
  max-width:760px;
  margin-bottom:40px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--primary);
  background:var(--primary-dim);
  border:1px solid rgba(53,214,197,0.28);
  margin-bottom:18px;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(53,214,197,0.9);
}
h1{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.5px;
}
h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.3px;
}
h3{
  font-size:clamp(18px,2vw,22px);
  line-height:1.4;
  font-weight:700;
}
.lead{color:var(--muted);font-size:17px;line-height:1.85;}
.muted{color:var(--muted);}
.small{font-size:14px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:-10% -20% auto -20%;
  height:640px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center 30%;
  opacity:.20;
  filter:saturate(.85);
  mask-image:radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.95), transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0.95), transparent 72%);
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.hero h1 span{
  background:linear-gradient(120deg,#63F0E1,#35D6C5 45%,#F0B45A);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:20px;
  max-width:560px;
  color:var(--muted);
  font-size:17px;
  line-height:1.85;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  color:var(--text);
  background:rgba(120,220,255,0.07);
  border:1px solid var(--line);
}
.tag i{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(53,214,197,0.85);
  display:inline-block;
}
.tag-gold{
  color:#FFE2B8;
  background:rgba(240,180,90,0.12);
  border-color:rgba(240,180,90,0.32);
}
.tag-gold i{background:var(--gold);box-shadow:0 0 8px rgba(240,180,90,0.85);}

.hero-panel{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-panel::after{
  content:"";
  position:absolute;inset:0;
  border-radius:inherit;
  pointer-events:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08);
}
.hero-panel-media{
  position:relative;
  height:190px;
  background-image:linear-gradient(180deg,rgba(6,17,31,0.15),rgba(6,17,31,0.92)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.hero-panel-badge{
  position:absolute;
  left:16px;top:16px;
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:#04211d;
  background:linear-gradient(135deg,#6CF3E4,#2AC7B8);
  box-shadow:0 0 18px rgba(53,214,197,0.42);
}
.hero-panel-body{padding:20px 22px 22px;}
.panel-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 0;
  border-bottom:1px dashed rgba(120,220,255,0.14);
  font-size:14px;
}
.panel-row:last-child{border-bottom:0;}
.panel-row .k{color:var(--muted);}
.panel-row .v{color:var(--text);font-weight:600;}
.panel-row .v.ok{color:var(--primary);}
.float-card{
  position:absolute;
  right:14px;
  bottom:16px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(6,17,31,0.86);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-soft);
  font-size:12.5px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:10px;
}
.float-card .pulse{
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 0 rgba(53,214,197,0.7);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,214,197,0.55);}
  70%{box-shadow:0 0 0 12px rgba(53,214,197,0);}
  100%{box-shadow:0 0 0 0 rgba(53,214,197,0);}
}

/* ---------- 快讯条 ---------- */
.ticker{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(10,25,41,0.6);
}
.ticker-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:56px;
  padding:12px 0;
  font-size:14px;
  color:var(--muted);
}
.ticker-label{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.5px;
  color:#04211d;
  background:linear-gradient(135deg,#5CEEDE,#25BCAE);
}
.ticker-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
}
.ticker-list a{color:var(--muted);font-size:14px;}
.ticker-list a:hover{color:var(--primary);}

/* ---------- 原则区 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:52px;
  align-items:start;
}
.principle-list{display:grid;gap:16px;}
.principle{
  display:flex;
  gap:16px;
  padding:20px 22px;
  border-radius:var(--radius-md);
  background:var(--glass-soft);
  border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.principle:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(12,28,46,0.78);
}
.principle-icon{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:13px;
  display:grid;place-items:center;
  color:var(--primary);
  background:rgba(53,214,197,0.12);
  border:1px solid rgba(53,214,197,0.26);
}
.principle h3{font-size:16.5px;margin-bottom:4px;}
.principle p{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.card{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.28),transparent);
  pointer-events:none;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 16px 44px rgba(0,0,0,0.34);
}
.card-media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(150deg,rgba(53,214,197,0.16),rgba(10,25,41,0.9));
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;}
.card-body h3{font-size:17.5px;margin:10px 0 8px;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.72;}
.card-badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--primary);
  background:rgba(53,214,197,0.12);
  border:1px solid rgba(53,214,197,0.26);
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:16px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.card-link:hover{gap:11px;color:#7DEFE2;}
.bento-big{grid-column:span 2;}
.bento-big .card-media{height:200px;}
.bento-small{grid-column:span 2;}
.bento-small .card-media{height:132px;}
.bento-quarter{grid-column:span 1;}
.bento-quarter .card-media{height:110px;}
.bento-quarter .card-body{padding:16px 18px 18px;}
.bento-quarter h3{font-size:15.5px;margin:8px 0 6px;}
.bento-quarter p{font-size:13.5px;}

/* ---------- 最新信息 ---------- */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.news-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--glass-soft);
  color:var(--text);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(12,28,46,0.8);
  color:var(--text);
}
.news-card--lead{
  grid-column:span 3;
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:24px;
  align-items:center;
  padding:26px;
  background:var(--glass);
}
.news-card--lead .news-lead-media{
  height:170px;
  border-radius:14px;
  overflow:hidden;
  background:linear-gradient(150deg,rgba(53,214,197,0.18),rgba(10,25,41,0.9));
}
.news-card--lead .news-lead-media img{width:100%;height:100%;object-fit:cover;}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--muted);
}
.news-meta .cat{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  color:var(--primary);
  background:rgba(53,214,197,0.12);
  border:1px solid rgba(53,214,197,0.24);
  font-weight:600;
}
.news-card h3{
  font-size:17px;
  line-height:1.5;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card--lead h3{font-size:23px;-webkit-line-clamp:2;}
.news-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.72;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--primary);
  margin-top:4px;
}
.empty-state{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:52px 24px;
  text-align:center;
  border-radius:var(--radius-md);
  border:1px dashed rgba(120,220,255,0.26);
  background:rgba(120,220,255,0.04);
  color:var(--muted);
}
.empty-state .ico{
  width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;
  color:var(--primary);
  background:rgba(53,214,197,0.12);
  border:1px solid rgba(53,214,197,0.26);
}

/* ---------- 分类入口 ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:18px;
}
.cat-card{
  grid-column:span 2;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--glass-soft);
  color:var(--text);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.cat-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(12,28,46,0.8);
  color:var(--text);
}
.cat-card--wide{grid-column:span 3;}
.cat-num{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:1px;
  color:rgba(159,179,200,0.7);
}
.cat-card h3{font-size:18px;}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.cat-arrow{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:var(--primary);
}

/* ---------- 指标 / 流程 ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.metric{
  padding:24px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(53,214,197,0.09),rgba(10,25,41,0.72));
  transition:transform .22s ease,border-color .22s ease;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.metric .num{
  font-family:var(--mono);
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:var(--text);
}
.metric .num em{
  font-style:normal;
  font-size:15px;
  color:var(--primary);
  margin-left:4px;
}
.metric .label{margin-top:8px;font-size:14px;color:var(--muted);}

.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:24px;
}
.flow-step{
  position:relative;
  padding:22px 20px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--glass-soft);
}
.flow-step .step-idx{
  font-family:var(--mono);
  font-size:13px;
  color:var(--gold);
  letter-spacing:1px;
}
.flow-step h3{font-size:16.5px;margin:8px 0 6px;}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{
  display:grid;
  gap:0;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass-soft);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(53,214,197,0.05);color:#B9FFF6;}
.faq-q .sign{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:9px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--primary);
  font-size:16px;
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.faq-item.is-open .faq-q .sign{
  transform:rotate(45deg);
  background:rgba(53,214,197,0.14);
  border-color:rgba(53,214,197,0.4);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}

/* ---------- 订阅 CTA ---------- */
.cta-wrap{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:24px;
}
.subscribe{
  padding:32px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}
.subscribe h2{font-size:26px;}
.subscribe p{margin-top:10px;color:var(--muted);font-size:14.5px;}
.form-row{margin-top:20px;display:grid;gap:12px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-bottom:7px;
}
.input{
  width:100%;
  height:46px;
  padding:0 15px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(6,17,31,0.6);
  color:var(--text);
  font-size:15px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.input::placeholder{color:rgba(159,179,200,0.6);}
.input:focus{
  border-color:rgba(53,214,197,0.6);
  box-shadow:0 0 0 3px rgba(53,214,197,0.16);
  background:rgba(6,17,31,0.8);
}
.input.has-error{border-color:var(--error);box-shadow:0 0 0 3px rgba(224,122,106,0.16);}
.field-error{
  display:none;
  margin-top:6px;
  font-size:12.5px;
  color:var(--error);
}
.field-error.show{display:block;}
.check{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:13px;
  color:var(--muted);
  line-height:1.65;
  cursor:pointer;
}
.check input{
  margin-top:3px;
  width:16px;height:16px;
  accent-color:#35D6C5;
  flex:0 0 auto;
}
.cta-panel{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid rgba(240,180,90,0.28);
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(240,180,90,0.16), transparent 62%),
    linear-gradient(160deg,rgba(12,28,46,0.92),rgba(6,17,31,0.96));
  padding:32px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-60px;bottom:-70px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,197,0.22),transparent 70%);
}
.cta-panel h2{font-size:26px;position:relative;}
.cta-panel p{color:var(--muted);font-size:14.5px;position:relative;}
.cta-panel .btn{position:relative;align-self:flex-start;margin-top:6px;}
.cta-note{
  position:relative;
  font-size:12.5px;
  color:rgba(159,179,200,0.8);
  display:flex;align-items:center;gap:8px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(6,17,31,0.4),rgba(3,9,17,0.96));
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
  letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(159,179,200,0.82);
}
.footer-bottom a{color:rgba(159,179,200,0.9);}
.footer-bottom a:hover{color:var(--primary);}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  background:rgba(120,220,255,0.05);
  color:var(--primary);
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(53,214,197,0.14);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-channels{display:none;}
  .nav-search{width:190px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-panel{max-width:560px;}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));}
  .bento-big,.bento-small{grid-column:span 2;}
  .bento-quarter{grid-column:span 1;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-card--lead{grid-column:span 2;grid-template-columns:1fr;}
  .news-card--lead .news-lead-media{height:150px;}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-card,.cat-card--wide{grid-column:span 1;}
  .cat-grid .cat-card:last-child{grid-column:span 2;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-wrap{grid-template-columns:1fr;}
}
@media (max-width:820px){
  .nav-search{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-cta{display:none;}
  .burger{display:inline-flex;}
  .nav-inner{height:64px;}
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .hero{padding:40px 0 52px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-column:span 1;}
  .bento{grid-template-columns:1fr;}
  .bento-big,.bento-small,.bento-quarter{grid-column:span 1;}
  .bento-big .card-media,.bento-small .card-media{height:170px;}
  .cat-grid{grid-template-columns:1fr;}
  .cat-grid .cat-card:last-child{grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .subscribe,.cta-panel{padding:24px;}
  .ticker-inner{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  h1{font-size:31px;}
  h2{font-size:23px;}
  .hero-actions .btn{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .news-card--lead{padding:20px;}
  .faq-q{font-size:15.5px;padding:18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .brace{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}

/* roulang page: article */
:root{
  --bg:#06111F;
  --deep:#0A1929;
  --glass:rgba(12,28,46,.62);
  --primary:#35D6C5;
  --primary-dim:rgba(53,214,197,.12);
  --gold:#F0B45A;
  --text:#EAF4FF;
  --muted:#9FB3C8;
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.32);
  --danger:#E07A6A;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.28);
  --mono:"DIN Alternate","JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 500px at 12% -8%, rgba(53,214,197,.10), transparent 62%),
    radial-gradient(700px 420px at 92% 4%, rgba(240,180,90,.07), transparent 60%),
    linear-gradient(180deg,#06111F 0%,#050E1A 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.32;margin:0;}
p{margin:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;line-height:1;
  padding:13px 22px;text-decoration:none;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 16px;font-size:13.5px;}
.btn-primary{
  border-radius:999px;
  background:linear-gradient(135deg,#3EE0CE 0%,#1FB6A9 100%);
  color:#03211E;
  box-shadow:0 0 22px rgba(53,214,197,.28);
}
.btn-primary:hover{box-shadow:0 0 30px rgba(53,214,197,.46);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(12,28,46,.55);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(53,214,197,.10);border-color:var(--line-strong);color:#CFF7F1;}
.btn-gold{
  border-radius:999px;
  background:linear-gradient(135deg,#F7C778,#E9A544);
  color:#2A1A03;
  box-shadow:0 0 20px rgba(240,180,90,.26);
}
.btn-gold:hover{box-shadow:0 0 28px rgba(240,180,90,.42);transform:translateY(-1px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

/* ---------- 徽章/标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:#8FE9DE;background:var(--primary-dim);
  border:1px solid rgba(53,214,197,.26);
}
.badge-gold{color:#F6D3A0;background:rgba(240,180,90,.12);border-color:rgba(240,180,90,.30);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;
  background:rgba(6,17,31,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(53,214,197,.24),rgba(53,214,197,.04));
  border:1px solid rgba(53,214,197,.38);color:var(--primary);
  box-shadow:0 0 16px rgba(53,214,197,.18);
}
.brand-text{font-size:15.5px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:2px;flex:1;min-width:0;}
.nav-link{
  position:relative;padding:9px 12px;border-radius:10px;
  font-size:14.5px;color:var(--muted);text-decoration:none;
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(53,214,197,.08);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(53,214,197,0));
  box-shadow:0 0 12px rgba(53,214,197,.75);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;width:250px;padding:0 12px;
  border-radius:12px;background:rgba(12,28,46,.72);
  border:1px solid var(--line);color:var(--muted);
  transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:rgba(53,214,197,.5);box-shadow:0 0 0 3px rgba(53,214,197,.12);}
.nav-search input{
  width:100%;background:transparent;border:0;outline:none;
  color:var(--text);font-size:13.5px;
}
.nav-search input::placeholder{color:#7A8FA6;}
.nav-cta{white-space:nowrap;}
.burger{
  display:none;width:40px;height:40px;border-radius:11px;
  align-items:center;justify-content:center;
  background:rgba(12,28,46,.72);border:1px solid var(--line);color:var(--text);
  cursor:pointer;transition:background .2s,border-color .2s;
}
.burger:hover{background:rgba(53,214,197,.12);border-color:var(--line-strong);}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;left:0;right:0;top:72px;z-index:55;
  background:rgba(8,20,34,.98);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  padding:16px 24px 24px;
  display:none;
  box-shadow:0 24px 48px rgba(0,0,0,.45);
}
.nav-drawer.is-open{display:block;}
.drawer-link{
  display:block;padding:12px 4px;color:var(--muted);text-decoration:none;
  font-size:15px;border-bottom:1px solid rgba(120,220,255,.10);
}
.drawer-link:hover,.drawer-link:active{color:var(--primary);}
.drawer-foot{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}

/* ---------- 文章页头部 ---------- */
.post-hero{
  position:relative;
  padding:34px 0 44px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(6,17,31,.90) 0%,rgba(6,17,31,.97) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted);text-decoration:none;transition:color .2s;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.45;}
.crumb .cur{color:#C3D8E6;}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(159,179,200,.5);}
.post-meta time,.post-meta .meta-text{
  font-size:13px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em;
}
.post-title{
  font-size:clamp(28px,3.4vw,44px);
  font-weight:800;letter-spacing:-.01em;color:var(--text);
  max-width:960px;
}
.post-lead{
  margin-top:18px;max-width:820px;
  font-size:16px;line-height:1.85;color:#A9BFD2;
}
.post-cover-wrap{margin-top:32px;max-width:1000px;}
.post-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:20px;border:1px solid var(--line);
  box-shadow:var(--shadow);
}

/* ---------- 布局 ---------- */
.page-section{padding:56px 0 20px;}
.post-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;
  align-items:start;
  max-width:1160px;
  margin:0 auto;
}
.post-main{min-width:0;}

/* ---------- 正文排版 ---------- */
.article-body{
  font-size:17px;line-height:1.92;color:#D3E3F1;
  background:rgba(10,25,41,.42);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 34px 38px;
  box-shadow:var(--shadow);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:27px;font-weight:800;color:var(--text);
  margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),rgba(53,214,197,.12));
  box-shadow:0 0 12px rgba(53,214,197,.4);
}
.article-body h3{
  font-size:20.5px;font-weight:700;color:#E3F2FF;
  margin:32px 0 12px;
}
.article-body h4{font-size:17.5px;font-weight:700;color:#DAECFA;margin:24px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body a{color:var(--primary);text-decoration:none;border-bottom:1px solid rgba(53,214,197,.35);transition:color .2s,border-color .2s;}
.article-body a:hover{color:#7FF0E2;border-color:#7FF0E2;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin:8px 0;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(53,214,197,.07);
  border-radius:0 14px 14px 0;color:#CBE6F2;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:16px;border:1px solid var(--line);
  margin:26px 0;box-shadow:var(--shadow);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;
}
.article-body thead th{background:rgba(53,214,197,.08);color:var(--text);font-weight:700;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  font-family:var(--mono);font-size:14px;
  background:rgba(53,214,197,.10);color:#8FE9DE;
  padding:2px 6px;border-radius:6px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

.empty-state{
  text-align:center;padding:56px 20px;
  border:1px dashed rgba(120,220,255,.28);
  border-radius:var(--radius-md);
  background:rgba(12,28,46,.4);
}
.empty-state svg{color:var(--primary);margin:0 auto 16px;}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
}
.side-card h3{
  font-size:14px;font-weight:700;letter-spacing:.08em;color:#BFD6E6;
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(53,214,197,.9);
}
.toc-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;max-height:340px;overflow:auto;}
.toc-list::-webkit-scrollbar{width:4px;}
.toc-list::-webkit-scrollbar-thumb{background:rgba(53,214,197,.3);border-radius:4px;}
.toc-link{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:13.5px;line-height:1.55;color:var(--muted);text-decoration:none;
  border-left:2px solid transparent;transition:.2s;
}
.toc-link:hover{color:var(--text);background:rgba(53,214,197,.08);}
.toc-link.is-current{color:var(--primary);background:rgba(53,214,197,.12);border-left-color:var(--primary);}
.toc-link.lv3{padding-left:22px;font-size:12.8px;opacity:.9;}
.rel-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.rel-list a{
  display:block;text-decoration:none;color:var(--text);
  font-size:14px;line-height:1.6;transition:color .2s;
}
.rel-list a:hover{color:var(--primary);}
.rel-list .rel-meta{display:flex;gap:8px;align-items:center;font-size:11.5px;color:var(--muted);margin-top:6px;font-family:var(--mono);}
.side-actions{display:grid;gap:10px;}
.side-actions .btn{width:100%;}

/* ---------- FAQ ---------- */
.faq-block{margin-top:48px;}
.section-head{margin-bottom:22px;}
.section-head h2{font-size:26px;font-weight:800;color:var(--text);}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:8px;}
.faq-item{border-bottom:1px solid rgba(120,220,255,.12);}
.faq-item:first-of-type{border-top:1px solid rgba(120,220,255,.12);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:16.5px;font-weight:600;
  transition:color .2s,background .2s;border-radius:8px;
}
.faq-q:hover{color:var(--primary);background:rgba(53,214,197,.04);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line);
  color:var(--primary);font-size:16px;line-height:1;
  transition:transform .25s,background .25s;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(53,214,197,.16);}
.faq-a{display:none;padding:0 4px 20px;color:var(--muted);font-size:15px;line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 相关推荐 ---------- */
.rel-section{margin-top:56px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;text-decoration:none;
  transition:transform .22s,border-color .22s,box-shadow .22s;
  box-shadow:var(--shadow);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(0,0,0,.38);}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s;}
.rel-card:hover img{transform:scale(1.04);}
.rel-card-body{padding:18px;display:grid;gap:10px;}
.rel-card-body h3{font-size:15.5px;font-weight:700;line-height:1.55;color:var(--text);}
.rel-card-body p{font-size:13px;color:var(--muted);line-height:1.7;}
.rel-card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);font-family:var(--mono);}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  margin-top:64px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 240px at 88% 0%, rgba(240,180,90,.12), transparent 62%),
    radial-gradient(600px 300px at 4% 100%, rgba(53,214,197,.14), transparent 62%),
    rgba(10,25,41,.72);
  padding:36px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:26px;font-weight:800;margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.sub-form{display:grid;gap:12px;}
.sub-field{display:grid;gap:6px;}
.sub-field label{font-size:13px;color:#BFD6E6;}
.sub-input{
  height:46px;width:100%;border-radius:12px;
  background:rgba(6,17,31,.72);border:1px solid var(--line);
  color:var(--text);padding:0 14px;font-size:14.5px;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.sub-input::placeholder{color:#728CA3;}
.sub-input:focus{border-color:rgba(53,214,197,.6);box-shadow:0 0 0 3px rgba(53,214,197,.14);}
.sub-check{display:flex;align-items:flex-start;gap:9px;font-size:12.8px;color:var(--muted);line-height:1.65;}
.sub-check input{margin-top:3px;accent-color:var(--primary);}
.sub-actions{display:flex;gap:10px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:80px;padding:60px 0 26px;
  background:#040C16;border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:13.5px;line-height:1.85;margin-top:14px;max-width:360px;}
.footer-col h4{font-size:13.5px;font-weight:700;letter-spacing:.08em;color:#C0D6E6;margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col a{color:var(--muted);font-size:13.5px;text-decoration:none;transition:color .2s;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(120,220,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:12.5px;color:#7B92A8;
}
.to-top{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;
  background:rgba(12,28,46,.7);border:1px solid var(--line);color:var(--primary);
  cursor:pointer;transition:background .2s,transform .2s,border-color .2s;
}
.to-top:hover{background:rgba(53,214,197,.14);border-color:var(--line-strong);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-search{width:200px;}
  .nav-link{padding:9px 9px;font-size:14px;}
}
@media (max-width:1024px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .burger{display:flex;}
  .post-layout{grid-template-columns:1fr;gap:32px;}
  .sidebar{position:static;}
  .sidebar .side-card:nth-child(1){display:none;}
  .toc-mobile{display:block;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:28px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .site-header{height:64px;}
  .nav-inner{height:64px;gap:14px;}
  .nav-drawer{top:64px;}
  .brand-text{font-size:14px;}
  .nav-actions .btn-ghost{display:none;}
  .post-hero{padding:26px 0 34px;}
  .post-lead{font-size:15px;}
  .article-body{padding:24px 20px 28px;font-size:16px;line-height:1.88;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18.5px;}
  .page-section{padding:40px 0 12px;}
  .rel-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:13px;}
  .nav-actions{gap:6px;}
  .btn-sm{padding:9px 12px;font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .post-cover{border-radius:14px;}
  .article-body ul,.article-body ol{padding-left:20px;}
  .cta-band{padding:22px;}
  .sub-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#06111F;
  --bg-deep:#0A1929;
  --glass:rgba(12,28,46,.62);
  --glass-strong:rgba(12,28,46,.86);
  --primary:#35D6C5;
  --primary-dim:rgba(53,214,197,.14);
  --accent:#F0B45A;
  --text:#EAF4FF;
  --text-soft:#9FB3C8;
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --error:#E07A6A;
  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:22px;
  --shadow:0 12px 40px rgba(0,0,0,.28);
  --shadow-hover:0 18px 48px rgba(0,0,0,.42);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"DIN Alternate","JetBrains Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  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;
  background-image:
    linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(53,214,197,.28);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:2;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,17,31,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,17,31,.94);
  box-shadow:0 10px 34px rgba(0,0,0,.42);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-weight:800;
  font-size:16px;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  color:var(--primary);
  background:linear-gradient(150deg,rgba(53,214,197,.24),rgba(53,214,197,.06));
  border:1px solid var(--line-strong);
  box-shadow:0 0 18px rgba(53,214,197,.24);
}
.brand-text{max-width:200px;overflow:hidden;text-overflow:ellipsis;}
.nav-channels{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  min-width:0;
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--text-soft);
  border-radius:9px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(53,214,197,.08);}
.nav-link.is-active{
  color:var(--primary);
  font-weight:600;
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(53,214,197,.9);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:236px;
  padding:8px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-soft);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.nav-search:focus-within{
  border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(53,214,197,.14);
  background:rgba(53,214,197,.06);
}
.nav-search input{
  width:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:13.5px;
  color:var(--text);
}
.nav-search input::placeholder{color:rgba(159,179,200,.75);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  line-height:1.3;
  text-align:center;
  transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px;}
.btn-primary{
  color:#03181B;
  background:linear-gradient(135deg,#5CE9DA 0%,#35D6C5 62%,#22B6A9 100%);
  box-shadow:0 8px 26px rgba(53,214,197,.30);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(53,214,197,.46);
  color:#03181B;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 16px rgba(53,214,197,.34);}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.03);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:var(--primary);
  background:rgba(53,214,197,.10);
  border-color:rgba(53,214,197,.52);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-amber{
  color:#25180A;
  background:linear-gradient(135deg,#F7CB86,#F0B45A);
  box-shadow:0 8px 26px rgba(240,180,90,.26);
}
.btn-amber:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(240,180,90,.42);}
.nav-cta{white-space:nowrap;}
.burger{
  display:none;
  align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  color:var(--text);
}
.burger:hover{color:var(--primary);border-color:rgba(53,214,197,.5);}

/* 抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
}
.mobile-drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;inset:0;
  background:rgba(3,9,16,.72);
  backdrop-filter:blur(6px);
}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(88vw,340px);
  height:100%;
  padding:26px 22px 32px;
  background:linear-gradient(180deg,#0A1929,#06111F 78%);
  border-left:1px solid var(--line-strong);
  box-shadow:-20px 0 60px rgba(0,0,0,.55);
  overflow-y:auto;
  animation:drawerIn .28s ease;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.5;}to{transform:translateX(0);opacity:1;}}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:22px;
}
.drawer-title{font-size:14px;color:var(--text-soft);letter-spacing:.08em;}
.drawer-close{
  width:34px;height:34px;border-radius:9px;
  border:1px solid var(--line);
  background:transparent;color:var(--text);
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-links a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-soft);
  border:1px solid transparent;
}
.drawer-links a:hover{background:rgba(53,214,197,.08);color:var(--primary);}
.drawer-links a.is-active{
  color:var(--primary);
  background:rgba(53,214,197,.10);
  border-color:var(--line-strong);
}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}
.drawer-actions .btn{width:100%;}

/* ============ 页面通用板块 ============ */
.section{position:relative;padding:84px 0;z-index:2;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:40px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  margin-bottom:14px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--primary);
  background:var(--primary-dim);
  border:1px solid rgba(53,214,197,.28);
}
.kicker::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px var(--primary);
}
.h2{font-size:clamp(26px,3.2vw,38px);}
.section-desc{
  max-width:620px;
  margin-top:14px;
  color:var(--text-soft);
  font-size:15.5px;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--primary);font-weight:600;
  white-space:nowrap;
}
.link-more:hover{color:#7DF0E3;}
.link-more svg{transition:transform .22s ease;}
.link-more:hover svg{transform:translateX(4px);}

/* ============ 分类页头 Hero ============ */
.page-hero{
  position:relative;
  padding:76px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.30;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(760px 320px at 12% 6%,rgba(53,214,197,.20),transparent 68%),
    radial-gradient(620px 300px at 92% 88%,rgba(240,180,90,.13),transparent 70%),
    linear-gradient(180deg,rgba(6,17,31,.72),rgba(6,17,31,.96));
}
.hero-inner{position:relative;z-index:2;}
.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-soft);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--primary);}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:44px;
  align-items:start;
}
.page-hero h1{
  font-size:clamp(32px,4.4vw,54px);
  line-height:1.16;
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 30px rgba(53,214,197,.4);
}
.hero-lead{
  max-width:600px;
  font-size:16.5px;
  color:var(--text-soft);
  line-height:1.9;
  margin-bottom:26px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  font-size:13px;
  border-radius:999px;
  color:var(--primary);
  background:rgba(53,214,197,.10);
  border:1px solid rgba(53,214,197,.26);
}
.tag.tag-amber{
  color:var(--accent);
  background:rgba(240,180,90,.10);
  border-color:rgba(240,180,90,.30);
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;}

/* 右侧信息面板 */
.hero-panel{
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-panel-media{
  position:relative;
  height:168px;
  overflow:hidden;
}
.hero-panel-media img{
  width:100%;height:100%;object-fit:cover;
  opacity:.92;
}
.hero-panel-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,31,.10),rgba(10,25,41,.94));
}
.hero-panel-body{padding:22px 22px 24px;}
.panel-title{
  font-size:13px;
  color:var(--text-soft);
  letter-spacing:.10em;
  margin-bottom:16px;
}
.panel-rows{display:flex;flex-direction:column;gap:2px;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px dashed rgba(120,220,255,.14);
  font-size:14px;
}
.panel-row:last-child{border-bottom:0;padding-bottom:0;}
.panel-row .k{color:var(--text-soft);}
.panel-row .v{font-family:var(--font-mono);color:var(--text);font-weight:600;}
.dot-open{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--primary);font-weight:600;
}
.dot-open::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
}

/* ============ 时间线 + 清单 ============ */
.split-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:34px;
  align-items:start;
}
.timeline{position:relative;padding-left:36px;}
.timeline::before{
  content:"";
  position:absolute;
  left:11px;top:8px;bottom:12px;
  width:2px;
  background:linear-gradient(180deg,rgba(53,214,197,.65),rgba(53,214,197,.06));
  border-radius:2px;
}
.step{
  position:relative;
  padding:20px 22px;
  margin-bottom:18px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(12,28,46,.78),rgba(10,25,41,.52));
  box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.step:last-child{margin-bottom:0;}
.step:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.step::before{
  content:"";
  position:absolute;
  left:-31px;top:26px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--bg-deep);
  border:2px solid var(--primary);
  box-shadow:0 0 14px rgba(53,214,197,.85);
}
.step-no{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:8px;
}
.step h3{font-size:19px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-soft);line-height:1.85;}

.checklist{
  position:sticky;
  top:96px;
  padding:24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  box-shadow:var(--shadow);
}
.checklist h3{font-size:18px;margin-bottom:6px;}
.checklist .hint{font-size:13.5px;color:var(--text-soft);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:11px;
  font-size:14.5px;
  color:var(--text);
  line-height:1.7;
}
.check-list li .ico{
  flex-shrink:0;
  width:20px;height:20px;
  margin-top:2px;
  border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);
  background:rgba(53,214,197,.12);
  border:1px solid rgba(53,214,197,.30);
}
.notice-card{
  margin-top:20px;
  padding:16px 18px;
  border-radius:var(--radius-sm);
  background:rgba(240,180,90,.08);
  border:1px solid rgba(240,180,90,.28);
}
.notice-card h4{
  font-size:14px;color:var(--accent);margin-bottom:6px;
}
.notice-card p{font-size:13.5px;color:var(--text-soft);line-height:1.8;}

/* ============ 指南卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.guide-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(12,28,46,.80),rgba(10,25,41,.50));
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.guide-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.guide-media{position:relative;height:170px;overflow:hidden;background:linear-gradient(140deg,#0F2B3F,#0A1929);}
.guide-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
  opacity:.94;
}
.guide-card:hover .guide-media img{transform:scale(1.04);}
.guide-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,31,.06) 40%,rgba(10,25,41,.85));
}
.guide-badge{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
  padding:4px 12px;
  font-size:12px;
  border-radius:999px;
  color:#03181B;
  font-weight:700;
  background:linear-gradient(135deg,#5CE9DA,#35D6C5);
  box-shadow:0 6px 18px rgba(53,214,197,.32);
}
.guide-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.guide-body h3{font-size:18px;margin-bottom:10px;line-height:1.5;}
.guide-body p{font-size:14.5px;color:var(--text-soft);line-height:1.85;margin-bottom:18px;}
.guide-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid rgba(120,220,255,.12);
  font-size:13px;
  color:var(--text-soft);
}
.guide-foot .time{font-family:var(--font-mono);letter-spacing:.04em;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  border-bottom:1px solid rgba(120,220,255,.14);
}
.faq-item:first-child{border-top:1px solid rgba(120,220,255,.14);}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 18px;
  cursor:pointer;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  border-radius:12px;
  transition:background .22s ease,color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(53,214,197,.06);color:var(--primary);}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:16px;
  line-height:1;
  transition:transform .26s ease,background .26s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(53,214,197,.14);}
.faq-answer{
  padding:0 18px 22px;
  font-size:15px;
  color:var(--text-soft);
  line-height:1.9;
  max-width:760px;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:44px 44px;
  border-radius:28px;
  border:1px solid var(--line-strong);
  background:
    radial-gradient(560px 240px at 8% 0%,rgba(53,214,197,.20),transparent 66%),
    radial-gradient(420px 200px at 96% 100%,rgba(240,180,90,.16),transparent 70%),
    linear-gradient(150deg,rgba(12,28,46,.92),rgba(8,20,34,.92));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.7;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;}
.cta-inner p{color:var(--text-soft);font-size:15px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:40px;
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(6,17,31,.6),#040C15);
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:38px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--text-soft);
  line-height:1.9;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  color:var(--text);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-soft);
}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:24px;
  border-top:1px solid rgba(120,220,255,.10);
  font-size:13px;
  color:var(--text-soft);
}
.to-top{
  flex-shrink:0;
  width:38px;height:38px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--primary);
  background:rgba(53,214,197,.08);
  border:1px solid rgba(53,214,197,.34);
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.to-top:hover{
  background:rgba(53,214,197,.18);
  transform:translateY(-3px);
  box-shadow:0 0 20px rgba(53,214,197,.36);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-search{width:200px;}
  .brand-text{max-width:150px;}
}
@media (max-width:1024px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .burger{display:inline-flex;}
  .nav-inner{height:64px;justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-panel{max-width:520px;}
  .split-grid{grid-template-columns:1fr;gap:26px;}
  .checklist{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:68px 0;}
  .page-hero{padding:56px 0 54px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .cta-band{padding:32px 24px;border-radius:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px;}
  .timeline{padding-left:30px;}
  .step::before{left:-25px;}
  .page-hero h1{font-size:clamp(28px,7vw,38px);}
  .hero-lead{font-size:15.5px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{max-width:132px;font-size:15px;}
  .btn{padding:10px 18px;font-size:14px;}
  .btn-sm{padding:8px 13px;font-size:13px;}
  .hero-btns{flex-direction:column;align-items:stretch;}
  .hero-btns .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .section{padding:54px 0;}
  .faq-item summary{font-size:15.5px;padding:18px 12px;}
  .faq-answer{padding:0 12px 18px;}
  .panel-row{font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
    --bg:#06111F;
    --bg-deep:#0A1929;
    --glass:rgba(12,28,46,.62);
    --glass-strong:rgba(12,28,46,.86);
    --cyan:#35D6C5;
    --cyan-soft:rgba(53,214,197,.12);
    --gold:#F0B45A;
    --text:#EAF4FF;
    --text-soft:#9FB3C8;
    --line:rgba(120,220,255,.16);
    --line-strong:rgba(53,214,197,.42);
    --error:#E07A6A;
    --r-card:20px;
    --r-btn:999px;
    --r-sm:12px;
    --shadow:0 12px 40px rgba(0,0,0,.28);
    --shadow-hover:0 20px 52px rgba(0,0,0,.38);
    --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --mono:"JetBrains Mono","DIN Alternate","SFMono-Regular",Consolas,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-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);
    background-image:
      radial-gradient(900px 520px at 82% -10%,rgba(53,214,197,.14),transparent 62%),
      radial-gradient(760px 460px at 6% 12%,rgba(53,214,197,.08),transparent 60%),
      linear-gradient(180deg,#06111F 0%,#071524 48%,#06111F 100%);
    min-height:100vh;
    overflow-x:hidden;
  }
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
    background-image:linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
    -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  input{font-family:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
  ul,ol{list-style:none}
  ::selection{background:rgba(53,214,197,.3);color:#fff}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 28px;position:relative;z-index:1}
  .section{padding:76px 0;position:relative;z-index:1}
  .section-tight{padding:56px 0}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(6,17,31,.76);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transition:background .25s ease,box-shadow .25s ease;
  }
  .site-header.is-scrolled{background:rgba(6,17,31,.94);box-shadow:0 10px 30px rgba(0,0,0,.35)}
  .nav-inner{display:flex;align-items:center;gap:20px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:32px;height:32px;display:grid;place-items:center;border-radius:10px;
    color:#052B29;background:linear-gradient(135deg,#35D6C5 0%,#7BEDE2 100%);
    box-shadow:0 0 18px rgba(53,214,197,.42);
  }
  .brand-text{font-weight:800;font-size:17px;letter-spacing:.4px;color:#fff;white-space:nowrap}
  .nav-channels{display:flex;align-items:center;gap:2px;margin-left:10px}
  .nav-link{
    position:relative;padding:9px 12px;border-radius:10px;
    font-size:14.5px;color:var(--text-soft);font-weight:500;
    transition:color .2s ease,background .2s ease;
  }
  .nav-link:hover{color:#fff;background:rgba(53,214,197,.08)}
  .nav-link.is-active{color:#fff;font-weight:600}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,rgba(53,214,197,0),#35D6C5,rgba(53,214,197,0));
    box-shadow:0 0 12px rgba(53,214,197,.85);
  }
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
  .nav-search{
    display:flex;align-items:center;gap:8px;width:236px;
    padding:8px 14px;border-radius:var(--r-sm);
    background:rgba(12,28,46,.72);border:1px solid var(--line);color:var(--text-soft);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .nav-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(53,214,197,.16)}
  .nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:13.5px}
  .nav-search input::placeholder{color:rgba(159,179,200,.72)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
  .btn-sm{padding:9px 16px;font-size:13.5px}
  .btn-primary{
    color:#03211F;background:linear-gradient(135deg,#35D6C5 0%,#8DF3E7 100%);
    box-shadow:0 0 22px rgba(53,214,197,.34);
  }
  .btn-primary:hover{box-shadow:0 0 30px rgba(53,214,197,.55);transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(1px)}
  .btn-ghost{
    color:var(--text);background:rgba(12,28,46,.55);border-color:var(--line);
  }
  .btn-ghost:hover{background:rgba(53,214,197,.14);border-color:var(--line-strong);color:#fff}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-gold{
    color:#26170A;background:linear-gradient(135deg,#F0B45A 0%,#FFD79A 100%);
    box-shadow:0 0 22px rgba(240,180,90,.3);
  }
  .btn-gold:hover{box-shadow:0 0 30px rgba(240,180,90,.5);transform:translateY(-1px)}
  .nav-cta{box-shadow:0 0 20px rgba(53,214,197,.4)}
  .burger{
    display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
    background:rgba(12,28,46,.7);border:1px solid var(--line);color:var(--text);cursor:pointer;
  }
  .burger:hover{background:rgba(53,214,197,.14)}

  /* 移动抽屉 */
  .drawer{
    position:fixed;inset:0;z-index:90;display:none;
  }
  .drawer.is-open{display:block}
  .drawer-mask{position:absolute;inset:0;background:rgba(3,9,17,.7);backdrop-filter:blur(4px)}
  .drawer-panel{
    position:absolute;top:0;right:0;width:min(84vw,340px);height:100%;
    background:linear-gradient(180deg,#0A1B2C 0%,#071524 100%);
    border-left:1px solid var(--line);padding:24px 22px 32px;
    display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  }
  .drawer-title{font-size:13px;letter-spacing:2px;color:var(--text-soft);margin:6px 0 12px}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:13px 14px;border-radius:12px;color:var(--text);font-size:15px;font-weight:500;
    border:1px solid transparent;
  }
  .drawer-link:hover,.drawer-link.is-active{background:rgba(53,214,197,.12);border-color:var(--line-strong);color:#fff}
  .drawer-actions{margin-top:18px;display:grid;gap:10px}

  /* 页头 */
  .page-hero{position:relative;padding:64px 0 56px;overflow:hidden}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(180deg,rgba(6,17,31,.82),rgba(6,17,31,.96)),url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
    opacity:.5;
  }
  .page-hero::after{
    content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle,rgba(53,214,197,.22),transparent 66%);filter:blur(6px);
  }
  .page-hero .container{position:relative;z-index:2}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-soft);margin-bottom:20px}
  .crumb a:hover{color:var(--cyan)}
  .crumb span.sep{opacity:.5}
  .crumb .current{color:var(--cyan)}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    font-size:13px;letter-spacing:.6px;color:var(--cyan);
    background:rgba(53,214,197,.1);border:1px solid rgba(53,214,197,.28);
  }
  .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
  h1.page-title{
    margin:20px 0 18px;font-size:clamp(32px,4.4vw,54px);line-height:1.22;font-weight:800;letter-spacing:-.5px;
  }
  h1.page-title em{font-style:normal;color:var(--cyan)}
  .page-sub{color:var(--text-soft);font-size:16.5px;line-height:1.85;max-width:620px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
    font-size:12.5px;color:var(--text-soft);
    background:rgba(12,28,46,.6);border:1px solid var(--line);
  }
  .tag b{color:var(--cyan);font-weight:600}
  .hero-panel{
    background:linear-gradient(160deg,rgba(12,30,48,.9),rgba(8,20,34,.72));
    border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);
    position:relative;overflow:hidden;
  }
  .hero-panel::before{
    content:"";position:absolute;inset:0;background:radial-gradient(320px 160px at 88% 0%,rgba(53,214,197,.18),transparent 70%);
    pointer-events:none;
  }
  .hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
  .hero-panel-head h2{font-size:15px;font-weight:700;letter-spacing:.4px}
  .state-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--cyan);background:rgba(53,214,197,.12);padding:4px 10px;border-radius:999px}
  .state-pill i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);display:inline-block}
  .metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .metric{
    padding:14px 16px;border-radius:16px;background:rgba(8,22,36,.72);border:1px solid var(--line);
  }
  .metric .k{font-size:12.5px;color:var(--text-soft)}
  .metric .v{font-family:var(--mono);font-size:20px;font-weight:700;color:#fff;margin-top:4px}
  .metric .v small{font-size:12px;color:var(--text-soft);font-weight:400;margin-left:4px}
  .hero-note{
    margin-top:14px;padding:12px 14px;border-radius:14px;font-size:12.8px;color:var(--text-soft);
    background:rgba(53,214,197,.07);border:1px dashed rgba(53,214,197,.3);
  }

  /* 通用标题 */
  .sec-head{max-width:760px;margin-bottom:40px}
  .sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:800;letter-spacing:-.3px}
  .sec-head p{margin-top:12px;color:var(--text-soft);font-size:15.5px}
  .sec-kicker{font-size:13px;letter-spacing:2px;color:var(--cyan);margin-bottom:12px;font-weight:600}

  /* 四宫格 */
  .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
  .card{
    background:linear-gradient(158deg,rgba(14,32,50,.82),rgba(8,20,34,.66));
    border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
    box-shadow:var(--shadow);position:relative;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .card::after{
    content:"";position:absolute;left:20px;right:20px;top:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(53,214,197,.55),transparent);
  }
  .card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
  .card-icon{
    width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
    color:var(--cyan);background:rgba(53,214,197,.12);border:1px solid rgba(53,214,197,.3);
    margin-bottom:16px;
  }
  .card h3{font-size:18px;font-weight:700;margin-bottom:10px}
  .card p{font-size:14.5px;color:var(--text-soft);line-height:1.78}
  .card .mini-list{margin-top:14px;display:grid;gap:8px}
  .card .mini-list li{font-size:13.5px;color:var(--text-soft);display:flex;gap:8px;align-items:flex-start}
  .card .mini-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-top:8px;flex-shrink:0}

  /* 流程条 */
  .flow-wrap{
    background:linear-gradient(160deg,rgba(12,28,46,.78),rgba(8,20,34,.6));
    border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--shadow);
  }
  .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
  .flow::before{
    content:"";position:absolute;left:4%;right:4%;top:22px;height:1px;
    background:linear-gradient(90deg,rgba(53,214,197,0),rgba(53,214,197,.5),rgba(53,214,197,.5),rgba(53,214,197,0));
  }
  .flow-step{position:relative;padding-top:0}
  .flow-num{
    width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
    font-family:var(--mono);font-size:14px;font-weight:700;color:#03211F;
    background:linear-gradient(135deg,#35D6C5,#9BF5EB);
    box-shadow:0 0 20px rgba(53,214,197,.45);margin-bottom:16px;position:relative;z-index:2;
  }
  .flow-step h4{font-size:15.5px;font-weight:700;margin-bottom:6px}
  .flow-step p{font-size:13.5px;color:var(--text-soft);line-height:1.72}

  /* 双列提示卡 */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
  .tips-card{
    background:linear-gradient(158deg,rgba(14,32,50,.85),rgba(8,20,34,.66));
    border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow);
  }
  .tips-card.warm{border-color:rgba(240,180,90,.3)}
  .tips-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
  .tips-head .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
  .tips-card.warm .tips-head .dot{background:var(--gold);box-shadow:0 0 12px var(--gold)}
  .tips-head h3{font-size:19px;font-weight:700}
  .tips-list{display:grid;gap:14px}
  .tips-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-soft);line-height:1.78}
  .tips-list li .idx{
    flex-shrink:0;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
    font-family:var(--mono);font-size:12px;color:var(--cyan);background:rgba(53,214,197,.12);border:1px solid rgba(53,214,197,.28);
  }
  .tips-card.warm .tips-list li .idx{color:var(--gold);background:rgba(240,180,90,.1);border-color:rgba(240,180,90,.28)}
  .tips-list li b{color:#fff;font-weight:600}
  .figure-card{
    margin-top:26px;border-radius:20px;overflow:hidden;border:1px solid var(--line);position:relative;
  }
  .figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
  .figure-card:hover img{transform:scale(1.04)}
  .figure-cap{
    position:absolute;left:0;right:0;bottom:0;padding:22px 20px 16px;font-size:13.5px;color:#E7F4FF;
    background:linear-gradient(180deg,rgba(6,17,31,0),rgba(6,17,31,.92));
  }

  /* 检查表 */
  .check-table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);background:rgba(9,23,38,.6)}
  table.check{width:100%;border-collapse:collapse;min-width:680px}
  table.check th,table.check td{
    padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid rgba(120,220,255,.1);
  }
  table.check thead th{
    font-size:12.5px;letter-spacing:1px;color:var(--text-soft);font-weight:600;background:rgba(12,28,46,.7);
  }
  table.check tbody tr:last-child td{border-bottom:0}
  table.check tbody tr:hover{background:rgba(53,214,197,.05)}
  table.check td:first-child{color:#fff;font-weight:600;width:26%}
  table.check td{color:var(--text-soft)}
  .badge{
    display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;
    background:rgba(53,214,197,.12);color:var(--cyan);border:1px solid rgba(53,214,197,.28);
  }
  .badge.gold{background:rgba(240,180,90,.12);color:var(--gold);border-color:rgba(240,180,90,.3)}
  .mono{font-family:var(--mono);letter-spacing:.4px}

  /* FAQ */
  .faq-list{margin-top:8px;border-top:1px solid rgba(120,220,255,.14)}
  .faq-item{border-bottom:1px solid rgba(120,220,255,.14)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 4px;font-size:17px;font-weight:600;color:#fff;transition:color .2s ease,background .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--cyan);background:rgba(53,214,197,.04)}
  .faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}
  .faq-sign{
    flex-shrink:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
    border:1px solid var(--line);color:var(--cyan);font-size:16px;line-height:1;
    transition:transform .25s ease,background .25s ease;
  }
  .faq-item[open] .faq-sign{transform:rotate(45deg);background:rgba(53,214,197,.14)}
  .faq-body{padding:0 4px 24px;color:var(--text-soft);font-size:15px;line-height:1.85;max-width:900px}
  .faq-tag{margin-bottom:10px;display:inline-flex}

  /* CTA 条 */
  .cta-band{
    position:relative;overflow:hidden;border-radius:26px;padding:44px;
    border:1px solid rgba(53,214,197,.28);
    background:
      radial-gradient(560px 260px at 88% 10%,rgba(53,214,197,.2),transparent 68%),
      linear-gradient(140deg,rgba(12,32,50,.94),rgba(7,18,30,.9));
    box-shadow:var(--shadow);
    display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  }
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35}
  .cta-band p{margin-top:10px;color:var(--text-soft);font-size:14.5px;max-width:620px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

  /* 页脚 */
  .site-footer{
    margin-top:40px;padding:60px 0 28px;position:relative;z-index:1;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,rgba(6,17,31,.4),rgba(4,11,20,.9));
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
  .footer-brand p{margin-top:16px;color:var(--text-soft);font-size:13.8px;line-height:1.85;max-width:360px}
  .footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:#fff;letter-spacing:.5px}
  .footer-col ul{display:grid;gap:11px}
  .footer-col a{font-size:13.8px;color:var(--text-soft);transition:color .2s ease}
  .footer-col a:hover{color:var(--cyan)}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(120,220,255,.12);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:rgba(159,179,200,.85);
  }
  .to-top{
    width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
    color:var(--cyan);background:rgba(12,28,46,.7);border:1px solid var(--line);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .to-top:hover{background:rgba(53,214,197,.16);transform:translateY(-2px);box-shadow:0 0 18px rgba(53,214,197,.35)}
  .to-top:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

  /* 响应式 */
  @media (max-width:1180px){
    .nav-search{width:190px}
    .nav-link{padding:9px 9px;font-size:14px}
  }
  @media (max-width:1024px){
    .nav-channels{display:none}
    .nav-search{display:none}
    .burger{display:inline-flex}
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .split{grid-template-columns:1fr}
    .flow{grid-template-columns:repeat(2,1fr)}
    .flow::before{display:none}
    .footer-grid{grid-template-columns:1fr 1fr}
    .section{padding:60px 0}
  }
  @media (max-width:768px){
    .container{padding:0 20px}
    .nav-inner{height:64px;gap:12px}
    .brand-text{font-size:15px}
    .nav-actions{gap:8px}
    .nav-cta{display:none}
    .btn-sm{padding:8px 13px;font-size:12.8px}
    .page-hero{padding:44px 0 40px}
    .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
    .flow{grid-template-columns:1fr;gap:22px}
    .flow-num{width:38px;height:38px;font-size:13px}
    .cta-band{padding:30px 24px}
    .tips-card,.card,.flow-wrap,.hero-panel{padding:22px}
    .section{padding:52px 0}
    .faq-item summary{font-size:15.5px;padding:18px 2px}
  }
  @media (max-width:520px){
    h1.page-title{font-size:30px}
    .brand-text{font-size:14px}
    .brand-mark{width:28px;height:28px}
    .hero-actions .btn{width:100%}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{justify-content:flex-start}
    .metric-grid{grid-template-columns:1fr}
  }

/* roulang page: category2 */
:root{
  --bg:#06111F;
  --bg-deep:#0A1929;
  --glass:rgba(12,28,46,.62);
  --glass-strong:rgba(12,28,46,.88);
  --cyan:#35D6C5;
  --cyan-soft:rgba(53,214,197,.12);
  --gold:#F0B45A;
  --gold-soft:rgba(240,180,90,.12);
  --text:#EAF4FF;
  --muted:#9FB3C8;
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --coral:#E07A6A;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.28);
  --mono:"JetBrains Mono","DIN Alternate","SFMono-Regular",Consolas,monospace;
}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 520px at 10% -10%,rgba(53,214,197,.16),transparent 64%),
    radial-gradient(760px 460px at 94% 4%,rgba(240,180,90,.09),transparent 68%),
    linear-gradient(180deg,#06111F 0%,#081726 46%,#06111F 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
}
body.nav-open{overflow:hidden}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
input{font-family:inherit}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,17,31,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(120,220,255,.14);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(6,17,31,.94);border-bottom-color:rgba(120,220,255,.26)}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  color:#041420;
  background:linear-gradient(135deg,var(--cyan),#8BF2E6);
  box-shadow:0 0 20px rgba(53,214,197,.38);
}
.brand-text{
  font-size:16.5px;font-weight:800;letter-spacing:.02em;color:var(--text);white-space:nowrap;
}

.nav-channels{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(53,214,197,.08)}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  box-shadow:0 0 12px rgba(53,214,197,.85);
}

.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:236px;padding:8px 12px;
  border-radius:var(--radius-sm);
  background:rgba(12,28,46,.72);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(53,214,197,.14);
  background:rgba(12,28,46,.9);
}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:0;
  color:var(--text);font-size:13.5px;
}
.nav-search input::placeholder{color:#7189A1}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn:active{transform:translateY(1px)}

.btn-primary{
  color:#04211D;
  background:linear-gradient(135deg,#5BE7D8 0%,#35D6C5 55%,#22B7A8 100%);
  box-shadow:0 0 22px rgba(53,214,197,.30),0 8px 24px rgba(0,0,0,.30);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#77F0E2 0%,#43E0CE 55%,#2AC6B5 100%);
  box-shadow:0 0 30px rgba(53,214,197,.48),0 10px 28px rgba(0,0,0,.34);
}
.btn-ghost{
  color:var(--text);
  background:rgba(12,28,46,.55);
  border-color:var(--line);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(53,214,197,.10);
  border-color:var(--line-strong);
  color:#fff;
}
.btn-gold{
  color:#2A1A04;
  background:linear-gradient(135deg,#F8C87A 0%,#F0B45A 60%,#D89A3E 100%);
  box-shadow:0 0 20px rgba(240,180,90,.26),0 8px 22px rgba(0,0,0,.28);
}
.btn-gold:hover{box-shadow:0 0 28px rgba(240,180,90,.44);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}

.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;
  background:rgba(12,28,46,.7);border:1px solid var(--line);color:var(--text);cursor:pointer;
}
.burger:hover{background:rgba(53,214,197,.12)}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  overflow:hidden;
  border-bottom:1px solid rgba(120,220,255,.10);
}
.page-hero .hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(100deg,rgba(6,17,31,.96) 0%,rgba(6,17,31,.80) 52%,rgba(6,17,31,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-hero .hero-glow{
  position:absolute;z-index:0;width:520px;height:520px;right:-120px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,197,.22),transparent 66%);
  filter:blur(10px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumbs a{color:var(--muted);transition:color .2s ease}
.crumbs a:hover{color:var(--cyan)}
.crumbs span.sep{color:#4F6C86}
.crumbs .now{color:#CFE4F5}

.hero-grid{
  display:grid;
  grid-template-columns:1.25fr .95fr;
  gap:44px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--cyan);background:var(--cyan-soft);
  border:1px solid rgba(53,214,197,.28);
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,214,197,.9)}

.page-title{
  font-size:clamp(32px,4.2vw,54px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
  margin:0 0 18px;
  color:#F4FAFF;
}
.page-title .accent{
  background:linear-gradient(100deg,#7CF0E2,#35D6C5 62%,#2AB9AC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{
  font-size:16.5px;line-height:1.9;color:#B8CBDE;
  max-width:620px;margin:0 0 28px;
}

.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}

.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:500;color:#B6D9E8;
  background:rgba(53,214,197,.08);
  border:1px solid rgba(120,220,255,.18);
}
.tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.85}

/* 信息面板 */
.info-panel{
  position:relative;
  border-radius:24px;
  padding:26px 26px 22px;
  background:linear-gradient(160deg,rgba(16,36,58,.86),rgba(8,20,34,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(200,245,255,.10);
  backdrop-filter:blur(16px);
  overflow:hidden;
}
.info-panel::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:36px 36px;opacity:.7;pointer-events:none;
}
.panel-head{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;margin-bottom:6px;
  border-bottom:1px solid rgba(120,220,255,.14);
}
.panel-head h2{
  font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--cyan);margin:0;
}
.panel-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:#A9C4D8;
}
.panel-status .pulse{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(53,214,197,.65);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,214,197,.55)}
  70%{box-shadow:0 0 0 10px rgba(53,214,197,0)}
  100%{box-shadow:0 0 0 0 rgba(53,214,197,0)}
}
.panel-list{position:relative;z-index:1;list-style:none;margin:0;padding:0}
.panel-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:13px 0;
  border-bottom:1px dashed rgba(120,220,255,.13);
}
.panel-list li:last-child{border-bottom:0;padding-bottom:4px}
.panel-key{font-size:13.5px;color:var(--muted)}
.panel-val{font-size:13.5px;font-weight:600;color:#E4F4FF;text-align:right}
.panel-val.mono{font-family:var(--mono);letter-spacing:.02em}
.panel-val .ok{color:var(--cyan)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--cyan);margin-bottom:12px;text-transform:uppercase;
}
.section-title{
  font-size:clamp(24px,2.7vw,34px);
  font-weight:800;line-height:1.32;margin:0 0 14px;color:#F2F9FF;letter-spacing:-.01em;
}
.section-desc{font-size:15.5px;line-height:1.9;color:var(--muted);margin:0}

/* 双列说明卡 */
.note-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.note-card{
  position:relative;
  padding:24px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.20),inset 0 1px 0 rgba(200,245,255,.07);
  backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.note-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(14,32,52,.78);
  box-shadow:0 18px 44px rgba(0,0,0,.32),inset 0 1px 0 rgba(200,245,255,.12);
}
.note-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.note-icon{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;
  color:var(--cyan);background:rgba(53,214,197,.10);
  border:1px solid rgba(53,214,197,.24);
}
.note-card h3{font-size:18px;font-weight:700;margin:0;color:#EFF8FF;line-height:1.45}
.note-card p{margin:0;font-size:14.8px;line-height:1.85;color:#A9BCCE}
.note-card .mini-list{
  margin:14px 0 0;padding:0;list-style:none;
  display:flex;flex-wrap:wrap;gap:8px;
}
.note-card .mini-list li{
  font-size:12.5px;color:#93C9D8;
  padding:4px 10px;border-radius:999px;
  background:rgba(53,214,197,.07);
  border:1px solid rgba(120,220,255,.14);
}

/* 图文区块 */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:linear-gradient(160deg,rgba(16,36,58,.9),rgba(8,20,34,.9));
  aspect-ratio:16/11;
}
.split-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.split-media:hover img{transform:scale(1.04)}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,31,.05),rgba(6,17,31,.55));
  pointer-events:none;
}
.split-media .media-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#CFF6EF;
  background:rgba(6,17,31,.72);
  border:1px solid rgba(53,214,197,.34);
  backdrop-filter:blur(8px);
}
.split-body h3{font-size:22px;font-weight:700;margin:0 0 14px;color:#F1F9FF}
.split-body p{margin:0 0 16px;font-size:15.4px;line-height:1.9;color:#A9BCCE}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.check-list li{
  display:flex;align-items:flex-start;gap:11px;
  font-size:15px;color:#C2D6E6;line-height:1.75;
}
.check-list li .ck{
  flex-shrink:0;width:20px;height:20px;margin-top:4px;border-radius:50%;
  display:grid;place-items:center;color:#04211D;background:var(--cyan);
  font-size:11px;font-weight:800;
}

/* 规格表 */
.table-wrap{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:0 10px 30px rgba(0,0,0,.22);
  overflow:hidden;
}
.table-scroll{overflow-x:auto}
.spec-table{
  width:100%;min-width:640px;border-collapse:collapse;
  font-size:14.8px;
}
.spec-table thead th{
  text-align:left;padding:16px 20px;
  font-size:12.5px;font-weight:700;letter-spacing:.10em;
  color:var(--cyan);text-transform:uppercase;
  background:rgba(53,214,197,.06);
  border-bottom:1px solid rgba(120,220,255,.20);
  white-space:nowrap;
}
.spec-table tbody td{
  padding:16px 20px;
  color:#B4C8D9;
  border-bottom:1px solid rgba(120,220,255,.10);
  vertical-align:top;
  line-height:1.8;
}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover td{background:rgba(53,214,197,.045)}
.spec-table td:first-child{color:#E7F4FF;font-weight:600;white-space:nowrap}
.spec-table .mono{font-family:var(--mono);font-size:13.8px;letter-spacing:.02em;color:#D6ECF8}

/* 流程条 */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  counter-reset:flow;
}
.flow-item{
  position:relative;
  padding:24px 20px;
  border-radius:18px;
  background:linear-gradient(160deg,rgba(16,36,58,.72),rgba(8,20,34,.82));
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease;
}
.flow-item:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.flow-num{
  font-family:var(--mono);
  font-size:12.5px;font-weight:700;letter-spacing:.10em;
  color:var(--gold);margin-bottom:10px;display:block;
}
.flow-item h4{font-size:16.5px;font-weight:700;margin:0 0 8px;color:#EFF8FF}
.flow-item p{margin:0;font-size:14px;line-height:1.78;color:#9FB3C8}

/* 注意事项 */
.notice-band{
  position:relative;
  border-radius:24px;
  padding:32px;
  background:
    radial-gradient(600px 240px at 0% 0%,rgba(240,180,90,.14),transparent 70%),
    linear-gradient(150deg,rgba(18,38,60,.86),rgba(8,20,34,.92));
  border:1px solid rgba(240,180,90,.28);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,235,200,.10);
  overflow:hidden;
}
.notice-band h3{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;margin:0 0 18px;color:#FFEFD6;
}
.notice-band h3 .warn-ico{
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  color:#2A1A04;background:var(--gold);font-size:15px;font-weight:800;flex-shrink:0;
}
.notice-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
}
.notice-item{
  padding:18px;
  border-radius:14px;
  background:rgba(6,17,31,.52);
  border:1px solid rgba(240,180,90,.18);
}
.notice-item h4{margin:0 0 8px;font-size:15.5px;font-weight:700;color:#F6E3C6}
.notice-item p{margin:0;font-size:14px;line-height:1.8;color:#B9A98F}

/* FAQ */
.faq-list{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--glass);
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.22);
}
.faq-item{border-bottom:1px solid rgba(120,220,255,.12)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  cursor:pointer;list-style:none;
  font-size:16.4px;font-weight:600;color:#E8F4FF;
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(53,214,197,.06);color:#fff}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}
.faq-ico{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(120,220,255,.28);color:var(--cyan);
  font-size:15px;line-height:1;font-weight:600;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:rgba(53,214,197,.16)}
.faq-body{padding:0 24px 22px;color:#A9BCCE;font-size:15px;line-height:1.9}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin-bottom:0}
.faq-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}

/* CTA */
.cta-panel{
  position:relative;
  border-radius:26px;
  padding:44px;
  background:
    radial-gradient(680px 300px at 88% 0%,rgba(53,214,197,.20),transparent 66%),
    linear-gradient(140deg,rgba(16,38,60,.92),rgba(8,20,34,.96));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(200,245,255,.12);
  overflow:hidden;
  display:grid;
  grid-template-columns:1.35fr .9fr;
  gap:32px;
  align-items:center;
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin:0 0 12px;color:#F4FAFF;line-height:1.34}
.cta-panel p{margin:0;font-size:15.4px;line-height:1.9;color:#AEBFCF;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* 页脚 */
.site-footer{
  margin-top:24px;
  border-top:1px solid rgba(120,220,255,.14);
  background:linear-gradient(180deg,rgba(8,20,34,.65),rgba(6,17,31,.98));
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(120,220,255,.10);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{
  margin:0;font-size:14px;line-height:1.85;color:#8FA5BA;max-width:340px;
}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:.10em;color:#CFE4F5;
  margin:0 0 16px;text-transform:uppercase;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{
  font-size:14px;color:#8FA5BA;
  transition:color .2s ease,padding-left .2s ease;
  display:inline-block;
}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:22px;
  font-size:13px;color:#7189A1;
}
.to-top{
  flex-shrink:0;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--cyan);background:rgba(53,214,197,.08);
  border:1px solid rgba(53,214,197,.30);
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.to-top:hover{background:rgba(53,214,197,.18);transform:translateY(-2px);box-shadow:0 0 18px rgba(53,214,197,.32)}
.to-top:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* 动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-search{width:190px}
  .nav-link{padding:8px 9px;font-size:13.8px}
}
@media (max-width:1023px){
  .nav-inner{height:64px}
  .nav-search{display:none}
  .nav-actions .btn-ghost{display:none}
  .burger{display:inline-flex}
  .nav-channels{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    z-index:75;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:4px;
    padding:22px 20px 40px;
    background:rgba(6,17,31,.985);
    backdrop-filter:blur(20px);
    border-top:1px solid rgba(120,220,255,.14);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .24s ease,transform .24s ease;
    overflow-y:auto;
  }
  .site-header.nav-open .nav-channels{opacity:1;transform:none;pointer-events:auto}
  .nav-link{
    display:block;padding:14px 12px;font-size:16px;border-radius:12px;
    border-bottom:1px solid rgba(120,220,255,.08);
  }
  .nav-link.is-active::after{left:12px;right:auto;width:26px}

  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:44px 0 44px}
  .split{grid-template-columns:1fr;gap:26px}
  .split-media{aspect-ratio:16/9}
  .notice-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px;gap:22px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .note-grid{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .page-title{font-size:clamp(27px,7.4vw,36px)}
  .page-lead{font-size:15.4px}
  .hero-btns .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .brand-text{font-size:15px}
  .section-title{font-size:clamp(21px,5.6vw,26px)}
  .faq-item summary{padding:17px 18px;font-size:15.4px}
  .faq-body{padding:0 18px 18px}
  .notice-band{padding:24px}
  .cta-panel{padding:26px;border-radius:20px}
  .cta-actions .btn{flex:1 1 100%}
  .info-panel{padding:22px 18px}
  .spec-table{min-width:560px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .tag{font-size:12px}
  .panel-list li{flex-direction:column;gap:4px;align-items:flex-start}
  .panel-val{text-align:left}
}

/* roulang page: category4 */
:root{
  --bg:#06111F;
  --surface:#0A1929;
  --glass:rgba(12,28,46,0.62);
  --glass-strong:rgba(12,28,46,0.86);
  --cyan:#35D6C5;
  --cyan-soft:rgba(53,214,197,0.12);
  --gold:#F0B45A;
  --text:#EAF4FF;
  --muted:#9FB3C8;
  --line:rgba(120,220,255,0.16);
  --line-strong:rgba(120,220,255,0.34);
  --error:#E07A6A;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,0.28);
  --shadow-soft:0 8px 24px rgba(0,0,0,0.22);
  --container:1240px;
  --mono:"JetBrains Mono","DIN Alternate","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(53,214,197,0.14), transparent 62%),
    radial-gradient(720px 480px at 4% 12%, rgba(53,214,197,0.07), transparent 66%),
    radial-gradient(680px 420px at 60% 96%, rgba(240,180,90,0.07), transparent 68%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(53,214,197,0.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;position:relative;}
.section-tight{padding:52px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin:14px 0 12px;}
.section-head p{color:var(--muted);font-size:16px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,17,31,0.76);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(6,17,31,0.94);box-shadow:0 10px 30px rgba(0,0,0,0.38);}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:#04211E;
  background:linear-gradient(135deg,var(--cyan),#7DE9DA);
  box-shadow:0 0 18px rgba(53,214,197,0.42);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.3px;white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:2px;margin-inline:auto;}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14.5px;color:var(--muted);font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(53,214,197,0.07);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  box-shadow:0 0 10px rgba(53,214,197,0.85);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:236px;height:40px;padding:0 12px;border-radius:var(--r-sm);
  background:rgba(12,28,46,0.7);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.nav-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(53,214,197,0.14);background:rgba(12,28,46,0.92);}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:13.5px;
}
.nav-search input::placeholder{color:rgba(159,179,200,0.72);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;
  padding:11px 20px;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-primary{
  color:#04211E;
  background:linear-gradient(135deg,var(--cyan),#7DE9DA);
  border-radius:999px;
  box-shadow:0 0 0 1px rgba(53,214,197,0.35),0 8px 24px rgba(53,214,197,0.22);
}
.btn-primary:hover{color:#04211E;box-shadow:0 0 0 1px rgba(53,214,197,0.55),0 10px 30px rgba(53,214,197,0.42);transform:translateY(-1px);}
.btn-ghost{
  color:var(--text);
  background:rgba(12,28,46,0.55);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--text);background:rgba(53,214,197,0.12);border-color:var(--line-strong);}
.btn-gold{
  color:#2A1B03;
  background:linear-gradient(135deg,var(--gold),#F7D19A);
  border-radius:999px;
  box-shadow:0 8px 24px rgba(240,180,90,0.24);
}
.btn-gold:hover{color:#2A1B03;box-shadow:0 10px 30px rgba(240,180,90,0.4);transform:translateY(-1px);}
.btn-block{width:100%;}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;
  align-items:center;justify-content:center;
  background:rgba(12,28,46,0.7);border:1px solid var(--line);color:var(--text);
}
.burger:hover{background:rgba(53,214,197,0.12);border-color:var(--line-strong);}

/* ---------- mobile drawer ---------- */
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,340px);z-index:80;
  background:rgba(7,20,35,0.98);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  padding:24px 22px 32px;
  transform:translateX(102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;background:rgba(12,28,46,0.8);
  border:1px solid var(--line);color:var(--text);display:flex;align-items:center;justify-content:center;
}
.drawer-link{
  display:block;padding:12px 14px;border-radius:12px;font-size:15px;color:var(--muted);
  border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.is-active{color:var(--text);background:rgba(53,214,197,0.1);border-color:var(--line);}
.drawer-divider{height:1px;background:var(--line);margin:14px 0;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:18px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(2,8,16,0.66);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:64px 0 60px;
  background-image:
    linear-gradient(115deg,rgba(6,17,31,0.95) 12%,rgba(6,17,31,0.76) 52%,rgba(6,17,31,0.9) 92%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,220,255,0.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,0.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 60% 30%,#000 12%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 60% 30%,#000 12%,transparent 78%);
  pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,197,0.22),transparent 66%);
  filter:blur(20px);pointer-events:none;
}
.page-head .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text);}
.page-head h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.22;
  margin:14px 0 18px;
  letter-spacing:.4px;
}
.page-head h1 em{font-style:normal;color:var(--cyan);}
.page-lead{max-width:760px;color:var(--muted);font-size:17px;line-height:1.9;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--cyan);
  background:rgba(53,214,197,0.1);
  border:1px solid rgba(53,214,197,0.26);
}
.tag-gold{color:var(--gold);background:rgba(240,180,90,0.1);border-color:rgba(240,180,90,0.32);}
.head-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;}
.head-stat strong{display:block;font-family:var(--mono);font-size:24px;color:var(--text);letter-spacing:.5px;}
.head-stat span{font-size:13px;color:var(--muted);}

/* ---------- quick strip ---------- */
.quick-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:-34px;position:relative;z-index:5;
}
.strip-card{
  background:var(--glass-strong);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
}
.strip-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.strip-card h3{font-size:15.5px;margin-bottom:6px;}
.strip-card p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- faq layout ---------- */
.faq-layout{
  display:grid;grid-template-columns:262px minmax(0,1fr);gap:36px;align-items:start;
  margin-top:52px;
}
.anchor-nav{
  position:sticky;top:96px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
}
.anchor-nav h2{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:14px;}
.anchor-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 13px;border-radius:12px;font-size:14.5px;color:var(--muted);
  border:1px solid transparent;margin-bottom:4px;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.anchor-link span{
  font-family:var(--mono);font-size:12px;color:var(--cyan);
  background:rgba(53,214,197,0.1);border-radius:999px;padding:1px 8px;
}
.anchor-link:hover{color:var(--text);background:rgba(53,214,197,0.08);}
.anchor-link.is-active{color:var(--text);background:rgba(53,214,197,0.12);border-color:rgba(53,214,197,0.3);}
.anchor-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.75;}
.anchor-note a{color:var(--cyan);font-weight:600;}

.faq-body{display:flex;flex-direction:column;gap:30px;}
.faq-group{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:8px 24px 12px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
  scroll-margin-top:100px;
}
.faq-group-head{
  display:flex;align-items:center;gap:12px;
  padding:22px 0 16px;
  border-bottom:1px solid var(--line);
}
.group-icon{
  width:36px;height:36px;flex:none;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan);
  background:rgba(53,214,197,0.1);
  border:1px solid rgba(53,214,197,0.28);
}
.faq-group-head h2{font-size:19px;}
.faq-group-head .group-meta{margin-left:auto;font-size:12.5px;color:var(--muted);font-family:var(--mono);}

.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:19px 2px;
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover .faq-q{color:var(--cyan);}
.faq-item summary:hover{background:rgba(53,214,197,0.04);border-radius:10px;}
.faq-q{flex:1;font-size:16.5px;font-weight:600;line-height:1.62;color:var(--text);transition:color .22s ease;}
.faq-icon{
  position:relative;width:24px;height:24px;flex:none;margin-top:2px;
  border:1px solid var(--line);border-radius:8px;
  transition:border-color .22s ease,background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--cyan);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;transition:transform .25s ease,opacity .25s ease;}
details[open] .faq-icon{border-color:rgba(53,214,197,0.4);background:rgba(53,214,197,0.1);}
details[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{padding:0 2px 22px;color:var(--muted);font-size:15px;line-height:1.9;max-width:74ch;}
.faq-a strong{color:var(--text);font-weight:600;}
.faq-a .inline-tag{
  display:inline-block;margin-left:8px;padding:2px 9px;border-radius:999px;
  font-size:11.5px;color:var(--cyan);background:rgba(53,214,197,0.1);
  border:1px solid rgba(53,214,197,0.24);vertical-align:middle;
}

/* ---------- fallback cards ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.info-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  overflow:hidden;
}
.info-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,214,197,0.55),transparent);
  opacity:.7;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 16px 44px rgba(0,0,0,0.36);}
.info-card .card-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  color:var(--cyan);background:rgba(53,214,197,0.1);border:1px solid rgba(53,214,197,0.26);
  margin-bottom:18px;
}
.info-card h3{font-size:17px;margin-bottom:9px;}
.info-card p{font-size:14px;color:var(--muted);line-height:1.82;margin-bottom:18px;}
.card-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--cyan);
}
.card-link svg{transition:transform .22s ease;}
.card-link:hover svg{transform:translateX(4px);}

/* ---------- subscribe ---------- */
.subscribe-wrap{
  display:grid;grid-template-columns:1.05fr 1fr;gap:32px;
  background:linear-gradient(135deg,rgba(12,28,46,0.92),rgba(8,22,38,0.72));
  border:1px solid var(--line);
  border-radius:26px;
  padding:42px 40px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.subscribe-wrap::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,197,0.18),transparent 65%);
  pointer-events:none;
}
.subscribe-left h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:14px;}
.subscribe-left p{color:var(--muted);font-size:15px;line-height:1.88;max-width:46ch;}
.subscribe-form{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500;}
.field input{
  width:100%;height:46px;padding:0 15px;border-radius:var(--r-sm);
  background:rgba(6,17,31,0.66);
  border:1px solid var(--line);
  color:var(--text);outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input::placeholder{color:rgba(159,179,200,0.6);}
.field input:focus{border-color:rgba(53,214,197,0.6);box-shadow:0 0 0 3px rgba(53,214,197,0.16);background:rgba(6,17,31,0.86);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{
  appearance:none;-webkit-appearance:none;
  width:17px;height:17px;flex:none;margin-top:3px;border-radius:5px;
  border:1px solid var(--line-strong);background:rgba(6,17,31,0.7);position:relative;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.check-row input:checked{background:var(--cyan);border-color:var(--cyan);}
.check-row input:checked::after{
  content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;
  border:solid #04211E;border-width:0 2px 2px 0;transform:rotate(43deg);
}
.form-hint{font-size:12.5px;color:var(--muted);}
.form-hint.error{color:var(--error);}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(5,14,25,0.86);
  padding:60px 0 26px;
  margin-top:36px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.88;margin-top:16px;max-width:42ch;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.footer-bottom span{font-size:12.5px;color:var(--muted);line-height:1.8;}
.to-top{
  width:38px;height:38px;flex:none;border-radius:50%;
  border:1px solid var(--line);background:rgba(12,28,46,0.7);
  color:var(--cyan);display:flex;align-items:center;justify-content:center;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.to-top:hover{background:rgba(53,214,197,0.14);border-color:var(--line-strong);transform:translateY(-2px);}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-search{width:190px;}
  .nav-link{padding:9px 10px;font-size:14px;}
}
@media (max-width:1080px){
  .nav-channels{display:none;}
  .burger{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .anchor-nav{position:static;padding:16px;}
  .anchor-nav ul{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;}
  .anchor-nav li{flex:none;}
  .anchor-link{margin-bottom:0;white-space:nowrap;}
  .anchor-nav h2{margin-bottom:10px;}
  .anchor-note{display:none;}
}
@media (max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .quick-strip{grid-template-columns:1fr;margin-top:24px;}
  .card-grid-3{grid-template-columns:1fr 1fr;}
  .subscribe-wrap{grid-template-columns:1fr;padding:34px 26px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .page-head{padding:44px 0 46px;}
  .nav-inner{height:64px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .nav-search{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-cta{padding:8px 14px;font-size:13px;}
  .head-stats{gap:20px;}
  .faq-group{padding:6px 16px 10px;}
  .faq-q{font-size:15.5px;}
  .faq-a{font-size:14.5px;}
  .card-grid-3{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .page-head h1{font-size:27px;}
  .page-lead{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .subscribe-wrap{padding:26px 20px;border-radius:20px;}
  .head-stat strong{font-size:20px;}
}

/* roulang page: category5 */
:root{
  --bg:#06111F;
  --bg-deep:#0A1929;
  --glass:rgba(12,28,46,.62);
  --glass-soft:rgba(12,28,46,.42);
  --cyan:#35D6C5;
  --cyan-soft:rgba(53,214,197,.14);
  --gold:#F0B45A;
  --text:#EAF4FF;
  --muted:#9FB3C8;
  --line:rgba(120,220,255,.16);
  --line-strong:rgba(120,220,255,.34);
  --error:#E07A6A;
  --radius-card:20px;
  --radius-lg:24px;
  --radius-btn:12px;
  --shadow:0 12px 40px rgba(0,0,0,.28);
  --shadow-hover:0 18px 52px rgba(0,0,0,.38);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--text);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(1100px 560px at 80% -12%,rgba(53,214,197,.18),transparent 62%),
    radial-gradient(900px 520px at 6% 4%,rgba(240,180,90,.08),transparent 58%),
    radial-gradient(760px 480px at 50% 108%,rgba(53,214,197,.10),transparent 60%),
    linear-gradient(180deg,#06111F 0%,#071523 48%,#06111F 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.24;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(53,214,197,.28);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:rgba(6,17,31,.62);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,17,31,.9);
  box-shadow:0 10px 30px rgba(0,0,0,.36);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  white-space:nowrap;
  flex:0 0 auto;
}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  color:#05121e;
  background:linear-gradient(135deg,var(--cyan),#7ff0e3);
  box-shadow:0 0 18px rgba(53,214,197,.45);
}
.brand-text{
  font-size:16px;
  letter-spacing:.2px;
  background:linear-gradient(120deg,#EAF4FF 20%,#9ff3e8 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-channels{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(53,214,197,.08);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(53,214,197,.2));
  box-shadow:0 0 10px rgba(53,214,197,.7);
}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  top:6px;right:4px;
  width:5px;height:5px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(53,214,197,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:236px;
  padding:8px 12px;
  border-radius:12px;
  background:rgba(10,25,41,.66);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input{
  flex:1;min-width:0;
  background:transparent;border:0;outline:0;
  color:var(--text);font-size:13.5px;
}
.nav-search input::placeholder{color:rgba(159,179,200,.72);}
.nav-search:focus-within{
  border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(53,214,197,.16);
  background:rgba(10,25,41,.9);
}
.burger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:11px;
  background:rgba(10,25,41,.7);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s ease,background .2s ease;
}
.burger:hover{border-color:var(--line-strong);background:rgba(53,214,197,.12);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px;}
.btn-primary{
  color:#04141c;
  background:linear-gradient(135deg,#5ce7d8,#35D6C5 55%,#22b7a8);
  box-shadow:0 0 0 1px rgba(53,214,197,.4),0 10px 26px rgba(53,214,197,.26);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(53,214,197,.6),0 16px 36px rgba(53,214,197,.38);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,214,197,.4),0 6px 16px rgba(53,214,197,.24);}
.btn-ghost{
  color:var(--text);
  background:rgba(12,28,46,.5);
  border-color:var(--line);
  border-radius:12px;
}
.btn-ghost:hover{
  background:rgba(53,214,197,.1);
  border-color:var(--line-strong);
  color:#d9fffa;
}
.btn-ghost:active{transform:translateY(1px);}
.btn-gold{
  color:#231604;
  background:linear-gradient(135deg,#ffd79a,#F0B45A 60%,#dfa03f);
  box-shadow:0 10px 26px rgba(240,180,90,.24);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(240,180,90,.3);}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ page hero ============ */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  overflow:hidden;
  border-bottom:1px solid rgba(120,220,255,.08);
}
.page-hero-bg{
  position:absolute;inset:0;
  z-index:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.3;
  filter:saturate(.8);
}
.page-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,17,31,.55) 0%,rgba(6,17,31,.86) 62%,#06111F 100%),
    radial-gradient(700px 340px at 82% 10%,rgba(53,214,197,.24),transparent 70%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
  margin-bottom:20px;
}
.crumb a{color:rgba(159,179,200,.9);transition:color .2s ease;}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{opacity:.5;}
.crumb .current{color:#cfeee9;}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:36px;
  align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;font-weight:600;
  letter-spacing:.06em;
  color:#a9f6ec;
  background:rgba(53,214,197,.12);
  border:1px solid rgba(53,214,197,.3);
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(53,214,197,.9);
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;
  letter-spacing:-.02em;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#8ff6ea,#35D6C5 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero .lead{
  margin-top:18px;
  max-width:620px;
  font-size:16.5px;
  color:var(--muted);
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  color:#a9f6ec;
  background:rgba(53,214,197,.1);
  border:1px solid rgba(53,214,197,.22);
}
.tag-gold{color:#ffdca8;background:rgba(240,180,90,.1);border-color:rgba(240,180,90,.28);}

/* summary panel */
.summary-panel{
  position:relative;
  padding:22px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(12,28,46,.82),rgba(8,20,34,.72));
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.summary-panel::before{
  content:"";
  position:absolute;inset:0;
  border-radius:inherit;
  pointer-events:none;
  background:radial-gradient(420px 200px at 100% 0%,rgba(53,214,197,.18),transparent 66%);
}
.summary-title{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);letter-spacing:.08em;
  padding-bottom:14px;
  border-bottom:1px solid rgba(120,220,255,.12);
}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:0;
  color:#9df7ec;
  background:rgba(53,214,197,.14);
  border:1px solid rgba(53,214,197,.3);
}
.status-pill i{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(53,214,197,.95);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}
.metric-list{display:grid;gap:2px;margin-top:8px;}
.metric-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 2px;
  border-bottom:1px dashed rgba(120,220,255,.12);
}
.metric-row:last-child{border-bottom:0;}
.metric-row .k{font-size:13.5px;color:var(--muted);}
.metric-row .v{
  font-family:var(--font-mono);
  font-size:15px;font-weight:600;color:#d7f7f3;
  letter-spacing:.02em;
}
.metric-row .v.gold{color:var(--gold);}
.panel-note{
  margin-top:14px;
  padding:12px 14px;
  border-radius:14px;
  font-size:13px;line-height:1.7;
  color:#b9cfe0;
  background:rgba(53,214,197,.07);
  border:1px solid rgba(53,214,197,.18);
}

/* ============ sections ============ */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:34px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  letter-spacing:-.015em;
}
.section-head p{
  margin-top:10px;max-width:640px;
  color:var(--muted);font-size:15px;
}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--cyan);text-transform:uppercase;
  margin-bottom:12px;
}
.section-kicker::before{
  content:"";width:22px;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}

/* cards */
.card{
  position:relative;
  padding:22px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover),inset 0 1px 0 rgba(255,255,255,.08);
  background:rgba(14,33,53,.72);
}
.card h3{font-size:18.5px;margin-bottom:8px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.card-ico{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  color:var(--cyan);
  background:rgba(53,214,197,.12);
  border:1px solid rgba(53,214,197,.24);
  margin-bottom:14px;
}
.card-ico.gold{color:var(--gold);background:rgba(240,180,90,.12);border-color:rgba(240,180,90,.26);}

/* notice meta strip */
.meta-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.meta-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;
  border-radius:16px;
  background:rgba(12,28,46,.5);
  border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.meta-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(14,33,53,.7);}
.meta-card .idx{
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;
  color:var(--cyan);
  padding-top:3px;
}
.meta-card h4{font-size:15.5px;margin-bottom:5px;}
.meta-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* timeline layout */
.notice-layout{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:32px;
  align-items:start;
}
.timeline{
  position:relative;
  padding-left:30px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:10px;bottom:10px;
  width:1px;
  background:linear-gradient(180deg,rgba(53,214,197,.65),rgba(120,220,255,.16) 40%,rgba(120,220,255,.06));
}
.tl-item{
  position:relative;
  padding:20px 22px;
  margin-bottom:18px;
  border-radius:var(--radius-card);
  background:var(--glass-soft);
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:-26px;top:26px;
  width:10px;height:10px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,214,197,.14),0 0 16px rgba(53,214,197,.75);
}
.tl-item.gold::before{background:var(--gold);box-shadow:0 0 0 4px rgba(240,180,90,.14),0 0 16px rgba(240,180,90,.7);}
.tl-item:hover{
  transform:translateX(4px);
  border-color:var(--line-strong);
  background:rgba(14,33,53,.74);
  box-shadow:var(--shadow);
}
.tl-top{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-bottom:10px;
}
.tl-date{
  font-family:var(--font-mono);
  font-size:12.5px;font-weight:600;
  color:#a9f6ec;
  letter-spacing:.04em;
  padding:3px 10px;
  border-radius:8px;
  background:rgba(53,214,197,.1);
  border:1px solid rgba(53,214,197,.22);
}
.tl-cat{
  font-size:12px;
  color:var(--muted);
  padding:3px 10px;
  border-radius:999px;
  border:1px solid rgba(120,220,255,.16);
  background:rgba(10,25,41,.6);
}
.tl-item h3{font-size:17.5px;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.78;}
.tl-foot{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:14px;padding-top:12px;
  border-top:1px dashed rgba(120,220,255,.14);
  font-size:12.5px;color:rgba(159,179,200,.86);
}
.tl-foot .mono{font-family:var(--font-mono);color:#cfeee9;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-weight:600;font-size:13.5px;
  transition:gap .2s ease,color .2s ease;
}
.link-arrow:hover{gap:10px;color:#8ff6ea;}

/* detail panel */
.detail-card{
  position:sticky;
  top:96px;
  padding:24px;
  border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(14,33,53,.86),rgba(8,20,34,.8));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
}
.detail-card::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:radial-gradient(360px 180px at 110% -10%,rgba(53,214,197,.2),transparent 68%);
}
.detail-head{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--gold);
  margin-bottom:16px;
}
.detail-head::before{
  content:"";width:18px;height:1px;background:var(--gold);
}
.detail-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.detail-card > p{font-size:14px;color:var(--muted);}
.detail-list{margin-top:18px;display:grid;gap:12px;}
.detail-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:#cfe3f2;line-height:1.75;
}
.detail-list li svg{flex:0 0 auto;margin-top:4px;color:var(--cyan);}
.detail-spec{
  margin-top:18px;padding-top:16px;
  border-top:1px dashed rgba(120,220,255,.16);
  display:grid;gap:4px;
}
.spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;padding:8px 0;
}
.spec-row .k{color:var(--muted);}
.spec-row .v{font-family:var(--font-mono);color:#d7f7f3;font-weight:600;}
.detail-card .btn{width:100%;margin-top:20px;}

/* rule cards */
.rule-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.rule-card{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;
  border-radius:var(--radius-card);
  background:rgba(12,28,46,.5);
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.rule-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(14,33,53,.7);}
.rule-card .num{
  flex:0 0 auto;
  width:36px;height:36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--cyan);
  background:rgba(53,214,197,.1);
  border:1px solid rgba(53,214,197,.24);
}
.rule-card h3{font-size:16.5px;margin-bottom:6px;}
.rule-card p{font-size:14px;color:var(--muted);line-height:1.78;}

/* faq */
.faq-wrap{
  display:grid;
  grid-template-columns:.85fr 1.3fr;
  gap:36px;
  align-items:start;
}
.faq-intro p{color:var(--muted);font-size:15px;margin-top:12px;line-height:1.85;}
.faq-list{display:grid;gap:0;}
.faq-item{
  border-bottom:1px solid rgba(120,220,255,.13);
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;
  font-size:16.5px;font-weight:700;
  cursor:pointer;
  list-style:none;
  transition:color .2s ease,background .2s ease;
  border-radius:10px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--cyan);background:rgba(53,214,197,.04);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(120,220,255,.24);
  color:var(--cyan);font-size:16px;line-height:1;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  background:rgba(53,214,197,.14);
  border-color:rgba(53,214,197,.4);
}
.faq-body{
  padding:0 4px 20px;
  font-size:14.5px;color:var(--muted);line-height:1.9;
}
.faq-body .tag{margin-top:14px;}

/* subscribe */
.subscribe{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:40px;
  background:linear-gradient(150deg,rgba(12,28,46,.9),rgba(7,18,31,.86));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:36px;
  align-items:center;
}
.subscribe::before{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:
    radial-gradient(420px 220px at 92% 0%,rgba(240,180,90,.14),transparent 66%),
    radial-gradient(460px 240px at 4% 100%,rgba(53,214,197,.16),transparent 70%);
}
.subscribe > *{position:relative;z-index:2;}
.subscribe h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.subscribe p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.sub-form{display:grid;gap:12px;}
.field label{
  display:block;font-size:13px;color:var(--muted);margin-bottom:7px;
}
.field input{
  width:100%;
  padding:13px 16px;
  border-radius:12px;
  background:rgba(8,20,34,.72);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14.5px;
  outline:0;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:rgba(159,179,200,.64);}
.field input:focus{
  border-color:rgba(53,214,197,.55);
  box-shadow:0 0 0 3px rgba(53,214,197,.16);
  background:rgba(10,25,41,.92);
}
.field input:invalid:not(:placeholder-shown){
  border-color:rgba(224,122,106,.6);
  box-shadow:0 0 0 3px rgba(224,122,106,.14);
}
.checkline{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--muted);line-height:1.7;
}
.checkline input{
  width:16px;height:16px;margin-top:3px;
  accent-color:#35D6C5;
  flex:0 0 auto;
}
.form-hint{font-size:12.5px;color:rgba(159,179,200,.8);}
.sub-form .btn{width:100%;}

/* cta band */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 38px;
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(53,214,197,.14),rgba(12,28,46,.7) 55%,rgba(240,180,90,.1));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-band p{color:var(--muted);font-size:14.5px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ footer ============ */
.site-footer{
  margin-top:20px;
  padding:64px 0 28px;
  border-top:1px solid rgba(120,220,255,.12);
  background:linear-gradient(180deg,rgba(8,20,34,.5),rgba(4,12,22,.92));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:13.5px;color:var(--muted);line-height:1.85;max-width:380px;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:#d7f7f3;
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:13.5px;color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--cyan);padding-left:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:22px;
  border-top:1px solid rgba(120,220,255,.1);
  font-size:12.5px;color:rgba(159,179,200,.8);
  flex-wrap:wrap;
}
.to-top{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--cyan);
  background:rgba(53,214,197,.08);
  border:1px solid rgba(53,214,197,.3);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.to-top:hover{
  background:rgba(53,214,197,.18);
  transform:translateY(-3px);
  box-shadow:0 0 18px rgba(53,214,197,.35);
}

/* ============ responsive ============ */
@media (max-width:1180px){
  .nav-search{width:190px;}
  .nav-link{padding:8px 9px;font-size:14px;}
}
@media (max-width:1023px){
  :root{--header-h:64px;}
  .container{padding:0 24px;}
  .nav-channels{
    position:absolute;
    left:16px;right:16px;top:calc(100% + 8px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    border-radius:18px;
    background:rgba(8,20,34,.97);
    border:1px solid var(--line-strong);
    box-shadow:0 24px 60px rgba(0,0,0,.5);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    z-index:90;
  }
  .nav-channels.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;border-radius:12px;}
  .nav-link.is-active{background:rgba(53,214,197,.1);}
  .nav-link.is-active::after,.nav-link.is-active::before{display:none;}
  .nav-search{display:none;}
  .burger{display:inline-flex;}
  .nav-inner{justify-content:space-between;gap:12px;}
  .brand-text{font-size:15px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .page-hero{padding:44px 0 40px;}
  .section{padding:56px 0;}
  .notice-layout{grid-template-columns:1fr;gap:26px;}
  .detail-card{position:static;}
  .faq-wrap{grid-template-columns:1fr;gap:22px;}
  .subscribe{grid-template-columns:1fr;padding:30px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .meta-strip{grid-template-columns:1fr;}
  .rule-grid{grid-template-columns:1fr;}
  .nav-actions .btn-ghost{display:none;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .page-hero .lead{font-size:15px;}
  .btn{padding:11px 20px;font-size:14.5px;}
  .tl-item{padding:18px;}
  .tl-item:hover{transform:none;}
  .cta-band{padding:26px 22px;}
  .section-head{margin-bottom:24px;}
  .footer-grid{padding-bottom:28px;}
}
@media (max-width:520px){
  .brand-text{font-size:13.5px;letter-spacing:0;}
  .brand-mark{width:28px;height:28px;}
  .nav-actions .nav-cta{padding:8px 13px;font-size:12.5px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .subscribe{padding:24px 18px;}
  .timeline{padding-left:24px;}
  .tl-item::before{left:-21px;}
  .detail-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}