/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-glow:rgba(47,227,200,.45);
  --brand:#2FE3C8;
  --brand-deep:#17A8F0;
  --accent:#FF7A45;
  --text-1:#E9EFF8;
  --text-2:#A6B3C8;
  --text-3:#6F7C93;
  --danger:#FF5C7A;
  --success:#3DDC97;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow-btn:0 0 0 1px rgba(47,227,200,.4), 0 10px 28px rgba(47,227,200,.26);
  --grid-line:rgba(255,255,255,.022);
  --halo:rgba(47,227,200,.08);
  --r-card:14px;
  --r-ctrl:8px;
  --r-btn:10px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","Space Grotesk","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),
    radial-gradient(600px circle at 18% -6%,var(--halo),transparent 68%);
  background-size:32px 32px,32px 32px,100% 100%;
  background-attachment:fixed,fixed,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--text-1)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
::selection{background:rgba(47,227,200,.28);color:var(--text-1)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1280px){.container{padding:0 32px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--bg-1);color:var(--text-1);padding:10px 16px;border-radius:var(--r-ctrl);z-index:120}
.skip-link:focus{left:12px;top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 14px;font-size:13.5px}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  color:#04121A;border-color:transparent;font-weight:700;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-btn);color:#04121A}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--line-glow);color:var(--brand)}
.btn-outline:hover{background:rgba(47,227,200,.08);color:var(--brand);transform:translateY(-2px)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-glow);transform:translateY(-2px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;padding:0;height:auto;background:none;border:none;
  color:var(--brand);font-weight:600;font-size:15px;position:relative;cursor:pointer;
}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:100%;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.btn-link:hover::after{transform:scaleX(1)}
.btn[disabled],.btn.is-disabled{opacity:.5;filter:saturate(.4);cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  font-size:12.5px;line-height:1;font-weight:600;
  background:rgba(47,227,200,.10);color:var(--brand);
  border:1px solid rgba(47,227,200,.24);
}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent);border-color:rgba(255,122,69,.3)}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-3);border-color:var(--line)}
.badge-ok{background:rgba(61,220,151,.12);color:var(--success);border-color:rgba(61,220,151,.28)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-glow),transparent);
  opacity:.5;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:40px;color:var(--text-1);font-weight:700}
.logo:hover{color:var(--text-1)}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04121A;font-size:17px;font-weight:800;flex:none;
  box-shadow:0 6px 18px rgba(47,227,200,.25);
}
.logo-text{font-size:16.5px;letter-spacing:.02em;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;border-radius:var(--r-ctrl);
  color:var(--text-2);font-size:15px;font-weight:500;
  background:none;border:none;cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.055)}
.nav-link.is-active{color:var(--brand);background:rgba(47,227,200,.10)}
.nav-link.is-active::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand)}
.has-mega{position:relative}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);width:660px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
  padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px;text-transform:uppercase}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:7px 9px;margin:0 -9px;border-radius:var(--r-ctrl);
  color:var(--text-2);font-size:14px;transition:background .18s,color .18s;
}
.mega-link:hover{background:rgba(255,255,255,.06);color:var(--text-1)}
.mega-link .mini{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.mega-post{display:block;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--text-2);font-size:14px;line-height:1.5}
.mega-post:last-child{border-bottom:none}
.mega-post:hover{color:var(--brand)}
.mega-post span{display:block;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;margin-top:4px}
.mega-card{
  display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{padding:12px 14px 14px}
.mega-card-body strong{display:block;color:var(--text-1);font-size:14.5px;line-height:1.45}
.mega-card-body em{font-style:normal;display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:13px;margin-top:8px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-ctrl);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);
  cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:.2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;transition:.2s}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 板块 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;position:relative}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,44px);flex-wrap:wrap}
.section-kicker{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;margin-bottom:10px}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.3}
.section-desc{margin-top:12px;max-width:620px;color:var(--text-2);font-size:15px;line-height:1.8}
.glow-key{color:var(--brand)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(48px,7vw,88px) 0 clamp(48px,7vw,88px);overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.38}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.9) 60%,var(--bg-0)),
             radial-gradient(700px circle at 78% 22%,rgba(47,227,200,.14),transparent 70%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero-status{
  display:inline-flex;align-items:center;gap:10px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.055);border:1px solid var(--line);font-size:13px;color:var(--text-2);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 0 rgba(61,220,151,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,151,.45)}70%{box-shadow:0 0 0 10px rgba(61,220,151,0)}100%{box-shadow:0 0 0 0 rgba(61,220,151,0)}}
.hero-title{
  margin:20px 0 0;font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:700;
  letter-spacing:-.01em;
}
.hero-title .glow-key{white-space:nowrap}
.hero-sub{margin-top:18px;max-width:600px;font-size:16.5px;line-height:1.8;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.metric-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--brand);line-height:1.1;
}
.metric-num small{font-size:15px;color:var(--brand);margin-left:2px}
.metric-label{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.6}
.hero-visual{position:relative}
.hero-visual>img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.float-card{
  position:absolute;left:-18px;bottom:-22px;width:min(300px,86%);
  padding:16px 18px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.float-card .fc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3)}
.float-card .fc-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--text-1);margin:8px 0 4px}
.float-card .fc-line{height:8px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:10px}
.float-card .fc-line i{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--brand),var(--brand-deep));border-radius:6px}

/* ---------- 价值主张（错位） ---------- */
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.value-item{
  display:flex;gap:20px;padding:26px 24px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  position:relative;overflow:hidden;
}
.value-item::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.14),transparent)}
.value-item:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.value-item:nth-child(2){margin-top:28px}
.value-item:nth-child(3){margin-top:-28px}
.value-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:transparent;
  -webkit-text-stroke:1px rgba(47,227,200,.55);line-height:1;flex:none;
}
.value-item h3{font-size:18px;margin-bottom:8px}
.value-item p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 功能分组 2×2 ---------- */
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
}
.feature-card{padding:clamp(24px,3vw,34px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .22s ease}
.feature-card:nth-child(2n){border-right:none}
.feature-card:nth-child(n+3){border-bottom:none}
.feature-card:hover{background:rgba(255,255,255,.045)}
.feature-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,227,200,.10);border:1px solid rgba(47,227,200,.22);color:var(--brand);margin-bottom:16px;
}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{font-size:19px;margin-bottom:8px}
.feature-card>p{font-size:14px;color:var(--text-3);line-height:1.75;margin-bottom:16px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);padding:7px 0;line-height:1.7}
.feature-list li::before{content:"";width:4px;height:4px;border-radius:1px;background:var(--brand);margin-top:9px;flex:none}

/* ---------- 场景流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;top:74px;left:5%;right:5%;height:1px;
  background:linear-gradient(90deg,rgba(47,227,200,.05),rgba(47,227,200,.4),rgba(47,227,200,.05));
}
.flow-step{position:relative;z-index:1}
.flow-thumb{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-1);
}
.flow-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.flow-step:hover .flow-thumb img{transform:scale(1.04)}
.flow-num{
  display:inline-flex;align-items:center;gap:8px;margin:16px 0 8px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;
}
.flow-num i{display:block;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,200,.12);font-style:normal}
.flow-step h3{font-size:17px;margin-bottom:6px}
.flow-step p{font-size:14px;line-height:1.75;color:var(--text-3)}

/* ---------- 案例 ---------- */
.cases{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.case-main{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;overflow:hidden;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
}
.case-main-body{padding:clamp(24px,3vw,36px)}
.case-main-body h3{font-size:22px;line-height:1.45;margin-bottom:12px}
.case-main-body p{font-size:15px;line-height:1.85;color:var(--text-2)}
.case-main-img img{width:100%;height:100%;min-height:240px;object-fit:cover}
.case-metrics{display:flex;gap:28px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}
.case-metric b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--brand);line-height:1.1}
.case-metric span{font-size:13px;color:var(--text-3)}
.case-side{display:grid;gap:24px}
.case-quote{
  padding:24px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.case-quote:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.case-quote p{font-size:15px;line-height:1.85;color:var(--text-1)}
.case-quote .who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3)}
.case-quote .who i{width:30px;height:30px;border-radius:50%;background:rgba(47,227,200,.14);border:1px solid rgba(47,227,200,.3);display:grid;place-items:center;color:var(--brand);font-style:normal;font-size:13px;font-weight:700}

/* ---------- 价格 ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  display:flex;flex-direction:column;padding:30px 26px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;position:relative;
}
.price-card:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.price-card.is-featured{
  border-color:rgba(255,122,69,.45);
  background:linear-gradient(180deg,rgba(255,122,69,.09),var(--panel));
  box-shadow:0 18px 44px rgba(0,0,0,.5);
}
.price-card.is-featured::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.price-tag{position:absolute;top:-12px;left:26px}
.price-card h3{font-size:19px;margin-bottom:6px}
.price-note{font-size:13.5px;color:var(--text-3);min-height:42px;line-height:1.65}
.price-value{display:flex;align-items:flex-end;gap:6px;margin:16px 0 4px}
.price-value b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:38px;line-height:1;color:var(--text-1);font-weight:700}
.price-value span{font-size:14px;color:var(--text-3);padding-bottom:4px}
.price-list{margin:18px 0 24px;flex:1}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;padding:8px 0;color:var(--text-2);line-height:1.7;border-bottom:1px dashed rgba(255,255,255,.06)}
.price-list li:last-child{border-bottom:none}
.price-list li svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--brand)}
.compare-wrap{margin-top:32px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-scroll table{min-width:640px}
.compare-scroll th,.compare-scroll td{padding:14px 18px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--line)}
.compare-scroll thead th{background:var(--panel-2);color:var(--text-1);font-size:14px;font-weight:700}
.compare-scroll tbody tr:last-child td{border-bottom:none}
.compare-scroll tbody td:first-child{color:var(--text-1);font-weight:600}
.compare-scroll tbody tr:hover{background:rgba(255,255,255,.03)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px 10px 0 0;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.5}
.news-body h3 a{color:var(--text-1)}
.news-body h3 a:hover{color:var(--brand)}
.news-summary{font-size:14px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a,.news-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.news-meta time{font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;border-radius:var(--r-card);
  border:1px dashed var(--line);background:rgba(255,255,255,.02);
}
.empty-state svg{width:40px;height:40px;color:var(--text-3);margin:0 auto 14px}
.empty-state h3{font-size:18px;margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--text-3);margin-bottom:18px}
.skeleton{height:14px;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.12),rgba(255,255,255,.05));background-size:200% 100%;animation:sk 1.4s infinite}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s ease}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text-1);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex:none;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;margin-right:4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-item[open]{background:var(--panel);border-left:2px solid var(--brand);padding-left:16px}
.faq-item p{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;overflow:hidden;padding:clamp(36px,5vw,56px);border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.14),transparent 68%);pointer-events:none}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;position:relative}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(40px,5vw,64px) 0 0;margin-top:clamp(56px,8vw,104px)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .logo-mark{width:32px;height:32px;font-size:15px}
.foot-brand strong{color:var(--text-1);font-size:15.5px}
.foot-desc{font-size:14px;line-height:1.8;color:var(--text-3);max-width:320px}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--text-1);text-transform:uppercase;margin-bottom:14px}
.foot-link{display:block;font-size:14.5px;color:var(--text-2);padding:5px 0;transition:color .18s,transform .18s}
.foot-link:hover{color:var(--brand);transform:translateX(3px)}
.foot-contact li{font-size:14.5px;color:var(--text-2);padding:5px 0;display:flex;gap:8px}
.foot-contact li span{color:var(--text-3);min-width:56px}
.foot-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--text-3)}
.foot-social{display:flex;gap:10px}
.foot-social a{width:36px;height:36px;border-radius:var(--r-ctrl);border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);transition:.2s}
.foot-social a:hover{color:var(--brand);border-color:var(--line-glow);transform:translateY(-2px)}
.foot-social svg{width:18px;height:18px}

/* ---------- 返回顶部 ---------- */
.backtop{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;z-index:90;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--text-1);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.24s ease;
}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}
.backtop:hover{border-color:var(--line-glow);color:var(--brand)}
.backtop svg{width:18px;height:18px}

/* ---------- 响应式 ---------- */
@media(max-width:1279px){
  .mega-panel{width:600px}
  .flow::before{top:66px}
}
@media(max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .hero-visual>img{aspect-ratio:16/9}
  .float-card{position:static;width:100%;margin-top:16px;left:auto;bottom:auto}
  .values{grid-template-columns:1fr}
  .value-item:nth-child(2),.value-item:nth-child(3){margin-top:0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .cases{grid-template-columns:1fr}
  .case-main{grid-template-columns:1fr}
  .case-main-img img{min-height:200px}
  .pricing{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-toggle{display:grid}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--bg-1);border-top:1px solid var(--line-glow);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav.open{max-height:560px;overflow-y:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 20px}
  .nav-link{height:46px;width:100%;justify-content:space-between;font-size:15.5px}
  .has-mega{position:static}
  .mega-panel{
    position:static;width:100%;grid-template-columns:1fr;gap:16px;
    opacity:1;visibility:visible;transform:none;box-shadow:none;
    margin:6px 0 10px;padding:16px;
  }
}
@media(max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{border-right:none}
  .feature-card:nth-child(n+3){border-bottom:1px solid var(--line)}
  .feature-card:last-child{border-bottom:none}
  .news-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:20px}
  .metrics{grid-template-columns:1fr;gap:16px}
  .hero-actions .btn{width:100%}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  body{font-size:15px}
  .hero-title{font-size:clamp(26px,7vw,32px)}
  .section-title{font-size:22px}
  .value-item{padding:20px 16px;gap:14px}
  .feature-card{padding:20px 16px}
  .price-card{padding:24px 18px}
  .news-body{padding:16px}
  .cta-band{padding:24px 18px}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-glow:rgba(47,227,200,.45);
  --brand:#2FE3C8;
  --brand-deep:#17A8F0;
  --accent:#FF7A45;
  --text-1:#E9EFF8;
  --text-2:#A6B3C8;
  --text-3:#6F7C93;
  --danger:#FF5C7A;
  --success:#3DDC97;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow-btn:0 0 0 1px rgba(47,227,200,.4), 0 10px 28px rgba(47,227,200,.26);
  --r-card:14px;
  --r-ctrl:8px;
  --r-btn:10px;
  --container:1200px;
  --gap:24px;
  --section:clamp(56px,8vw,104px);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","Space Grotesk",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(600px 600px at 78% -6%, rgba(47,227,200,.08), rgba(5,8,15,0) 70%),
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size:auto,32px 32px,32px 32px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
table{border-collapse:collapse;width:100%}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{padding:0 32px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;min-height:40px;color:var(--text-1);font-weight:700;letter-spacing:.3px}
.logo-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:var(--r-ctrl);
  display:grid;place-items:center;font-size:15px;font-weight:700;color:#04121A;
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  box-shadow:0 6px 18px rgba(47,227,200,.25);
}
.logo-text{font-size:17px;white-space:nowrap}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-list{list-style:none;display:flex;align-items:center;gap:2px;margin:0;padding:0}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:var(--r-ctrl);
  color:var(--text-2);font-size:15px;font-weight:500;
  background:transparent;border:0;cursor:pointer;position:relative;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--text-1);background:var(--panel)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-deep));
}
.has-mega{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:620px;
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
  padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel)),var(--bg-1);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel,.has-mega.is-open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-title{margin:0 0 12px;font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--text-3)}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:var(--r-ctrl);color:var(--text-2);font-size:14.5px;
}
.mega-link:hover{background:var(--panel);color:var(--text-1)}
.mega-link .mini{
  font-size:11.5px;line-height:1;padding:4px 7px;border-radius:6px;
  color:var(--brand);background:rgba(47,227,200,.10);border:1px solid var(--line-glow);
  font-family:var(--font-num);
}
.mega-post{display:block;padding:9px 10px;border-radius:var(--r-ctrl);color:var(--text-2);font-size:14.5px;line-height:1.5}
.mega-post span{display:block;margin-top:3px;font-size:12px;color:var(--text-3);font-family:var(--font-num)}
.mega-post:hover{background:var(--panel);color:var(--text-1)}
.nav-toggle{
  display:none;margin-left:auto;width:40px;height:40px;border-radius:var(--r-ctrl);
  background:var(--panel);border:1px solid var(--line);color:var(--text-1);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;padding:clamp(32px,5vw,56px) 0 clamp(24px,3vw,36px);
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(5,8,15,.68),rgba(5,8,15,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb svg{width:12px;height:12px;flex:0 0 12px;opacity:.7}
.crumb .current{color:var(--text-2);max-width:min(420px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(26px,3.6vw,38px);line-height:1.3;font-weight:700;
  max-width:900px;margin-bottom:18px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--text-3)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.7}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:6px;font-size:12.5px;line-height:1.4;
  color:var(--brand);background:rgba(47,227,200,.10);border:1px solid var(--line-glow);
}
.badge.accent{color:var(--accent);background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.42)}
.meta-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 正文 ============ */
.article-section{padding:clamp(40px,5vw,64px) 0 0}
.article-wrap{max-width:780px;margin:0 auto}
.article-body{color:var(--text-2);font-size:16.5px;line-height:1.85}
.article-body p{margin:0 0 20px;text-align:left}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;
  margin:40px 0 16px;padding-left:14px;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--text-1);margin:28px 0 12px}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--text-1);margin:22px 0 10px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(47,227,200,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body strong{color:var(--text-1);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:20px;margin:0 0 10px;line-height:1.8}
.article-body ul>li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:item}
.article-body ol>li{counter-increment:item}
.article-body ol>li::before{
  content:counter(item);position:absolute;left:0;top:.15em;
  font-family:var(--font-num);font-size:13px;color:var(--brand);
}
.article-body blockquote{
  margin:0 0 22px;padding:16px 20px;border-left:3px solid var(--accent);border-radius:0 var(--r-ctrl) var(--r-ctrl) 0;
  background:var(--panel);color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:10px;margin:8px auto 8px;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{display:block;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);margin:0 0 22px;font-size:14.5px}
.article-body thead{background:var(--panel-2)}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{color:var(--text-1);font-weight:600}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  margin:0 0 22px;padding:16px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-1);overflow-x:auto;font-size:13.5px;line-height:1.7;color:var(--text-1);
}
.article-body code{font-family:"SFMono-Regular",Menlo,Consolas,monospace;font-size:13.5px;color:var(--brand)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:48px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--panel);
}
.empty-state svg{width:34px;height:34px;color:var(--brand)}
.empty-state h3{font-size:18px}
.empty-state p{font-size:14.5px;color:var(--text-3);max-width:420px}

/* ============ 文末区块 ============ */
.article-foot{margin-top:clamp(36px,4vw,52px)}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:18px 0;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:6px;
  font-size:13px;color:var(--text-2);background:var(--panel);border:1px solid var(--line);
}
.tag:hover{color:var(--brand);border-color:var(--line-glow);background:rgba(47,227,200,.08)}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin:6px 0 34px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));color:#04121A;
  box-shadow:0 8px 22px rgba(47,227,200,.20);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-btn);color:#04121A}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line-glow);color:var(--brand)}
.btn-ghost:hover{background:rgba(47,227,200,.08);transform:translateY(-2px);color:var(--brand)}
.btn-lg{height:48px;padding:0 24px;font-size:15.5px}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:clamp(40px,5vw,64px)}
.post-nav a{
  display:block;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));color:var(--text-2);
}
.post-nav a:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.post-nav .dir{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.post-nav .ttl{color:var(--text-1);font-size:15.5px;font-weight:600;line-height:1.5}
.post-nav .next{text-align:right}
.post-nav .next .dir{justify-content:flex-end}

/* ============ 相关栏目 ============ */
.related{padding:0 0 var(--section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--text-3)}
.link-more{font-size:14px;color:var(--brand);position:relative;padding-bottom:3px;border-bottom:1px solid rgba(47,227,200,.35)}
.link-more:hover{border-bottom-color:var(--brand)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,0));
}
.card:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.card:hover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);opacity:.85}
.card-media{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:16.5px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.card-foot .go{color:var(--brand)}

/* ============ CTA ============ */
.cta-band{padding:0 0 var(--section)}
.cta-inner{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:clamp(26px,3.4vw,40px);border:1px solid var(--line);border-radius:var(--r-card);
  background:
    radial-gradient(520px 220px at 12% 0%,rgba(47,227,200,.14),rgba(5,8,15,0) 70%),
    linear-gradient(180deg,var(--panel-2),var(--panel)),var(--bg-1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35;margin-bottom:10px}
.cta-inner p{font-size:14.5px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:clamp(40px,5vw,64px) 0 24px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--text-1);font-size:16px}
.foot-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px}
.foot-title{font-size:13px;letter-spacing:1.2px;color:var(--text-3);margin-bottom:14px;text-transform:uppercase}
.foot-link{display:block;font-size:14.5px;color:var(--text-2);padding:5px 0}
.foot-link:hover{color:var(--brand)}
.foot-contact{list-style:none;margin:0;padding:0}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:5px 0}
.foot-contact span{color:var(--text-3);min-width:38px}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:var(--text-3)}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:34px;height:34px;display:grid;place-items:center;border-radius:var(--r-ctrl);
  border:1px solid var(--line);background:var(--panel);color:var(--text-2);
}
.foot-social a:hover{color:var(--brand);border-color:var(--line-glow)}
.foot-social svg{width:18px;height:18px}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;z-index:90;
  border:1px solid var(--line);background:rgba(10,17,32,.72);
  backdrop-filter:blur(10px);color:var(--text-1);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s,border-color .2s ease,color .2s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--line-glow);color:var(--brand)}
.to-top svg{width:20px;height:20px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .card-grid{gap:20px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:69px;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 24px;max-height:calc(100vh - 69px);overflow-y:auto;
    background:var(--bg-1);border-top:1px solid var(--line-glow);border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .18s ease,transform .18s ease,visibility .18s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{justify-content:space-between;padding:12px 12px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:rgba(47,227,200,.08)}
  .has-mega{width:100%}
  .mega-panel{
    position:static;width:100%;grid-template-columns:1fr;gap:14px;
    margin-top:8px;opacity:1;visibility:visible;transform:none;box-shadow:none;
    display:none;background:var(--panel);border-color:var(--line);
  }
  .has-mega.is-open .mega-panel{display:grid}
  .foot-grid{grid-template-columns:1fr 1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .article-hero{padding-top:26px}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{margin-top:32px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left}
  .post-nav .next .dir{justify-content:flex-start}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .btn-lg{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-title{font-size:clamp(23px,6.4vw,30px)}
  .meta-row{font-size:12.5px}
  .card-body{padding:16px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:14px;bottom:14px}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-glow:rgba(47,227,200,.45);
  --brand:#2FE3C8;
  --brand-deep:#17A8F0;
  --accent:#FF7A45;
  --text-1:#E9EFF8;
  --text-2:#A6B3C8;
  --text-3:#6F7C93;
  --danger:#FF5C7A;
  --success:#3DDC97;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow-btn:0 0 0 1px rgba(47,227,200,.4),0 10px 28px rgba(47,227,200,.26);
  --r-card:14px;
  --r-ctl:8px;
  --r-btn:10px;
  --container:1200px;
  --gap:24px;
  --sect:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(600px 600px at 78% -8%,rgba(47,227,200,.08),transparent 70%),
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:auto,32px 32px,32px 32px;
  background-attachment:fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-ctl);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--text-1);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:"Inter","Space Grotesk",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ======== 顶部导航 ======== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:68px;}
.logo{display:flex;align-items:center;gap:10px;min-height:40px;color:var(--text-1);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  font-size:16px;font-weight:700;color:#04121A;
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(47,227,200,.35),0 8px 20px rgba(47,227,200,.2);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.nav{display:flex;align-items:center;margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 13px;border-radius:var(--r-ctl);
  background:transparent;border:1px solid transparent;
  color:var(--text-2);font-size:15px;line-height:1;cursor:pointer;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav-link:hover{color:var(--text-1);background:var(--panel);border-color:var(--line);}
.nav-link.is-active{color:var(--brand);border-color:rgba(47,227,200,.35);background:rgba(47,227,200,.08);}
.has-mega{position:relative;}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;
  width:680px;padding:22px;
  display:grid;grid-template-columns:1.1fr 1fr 200px;gap:22px;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel,
.has-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--text-3);margin-bottom:10px;text-transform:uppercase;}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 10px;border-radius:var(--r-ctl);color:var(--text-2);font-size:14px;
  border:1px solid transparent;transition:all .18s ease;
}
.mega-link:hover{color:var(--text-1);background:var(--panel);border-color:var(--line);}
.mini{font-size:11px;color:var(--brand);border:1px solid var(--line-glow);border-radius:999px;padding:1px 7px;}
.mega-post{display:block;padding:9px 10px;border-radius:var(--r-ctl);color:var(--text-2);font-size:14px;border:1px solid transparent;transition:all .18s ease;}
.mega-post span{display:block;font-size:12px;color:var(--text-3);margin-top:2px;}
.mega-post:hover{color:var(--text-1);background:var(--panel);border-color:var(--line);}
.mega-promo{
  display:flex;flex-direction:column;gap:8px;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  transition:transform .2s ease,border-color .2s ease;
}
.mega-promo:hover{transform:translateY(-3px);border-color:var(--line-glow);}
.mega-promo img{aspect-ratio:16/9;object-fit:cover;border-radius:0;width:100%;height:auto;}
.mega-promo-title{padding:0 12px;font-size:14px;color:var(--text-1);font-weight:600;}
.mega-promo-more{padding:0 12px 12px;font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:38px;border-radius:var(--r-ctl);
  background:var(--panel);border:1px solid var(--line);color:var(--text-1);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-glow);color:var(--brand);}

/* ======== 面包屑 ======== */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:22px 0 0;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb svg{opacity:.6;}
.crumb-current{color:var(--brand);}

/* ======== 页首横幅 ======== */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(5,8,15,.94) 8%,rgba(5,8,15,.72) 48%,rgba(5,8,15,.9) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-hero-inner{position:relative;padding:26px 0 56px;}
.page-hero .crumb{padding-top:0;margin-bottom:20px;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:700;color:var(--text-1);
  max-width:760px;letter-spacing:.4px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{max-width:720px;margin-top:18px;font-size:16px;line-height:1.85;color:var(--text-2);}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.stat-chip{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 16px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);backdrop-filter:blur(14px);
}
.stat-chip b{font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
.stat-chip span{font-size:13px;color:var(--text-3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ======== 按钮体系 ======== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-lg{height:48px;padding:0 26px;font-size:16px;}
.btn-sm{height:34px;padding:0 14px;font-size:13px;}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  color:#04121A;box-shadow:0 8px 22px rgba(23,168,240,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-btn);color:#04121A;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-glow);color:var(--brand);}
.btn-ghost:hover{background:rgba(47,227,200,.08);color:var(--text-1);}
.btn-text{
  height:auto;padding:0 0 3px;border-radius:0;color:var(--brand);
  background:linear-gradient(var(--brand),var(--brand)) left bottom/0 2px no-repeat;
  transition:background-size .25s ease,color .2s ease;
}
.btn-text:hover{color:var(--text-1);background-size:100% 2px;}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none;}

/* ======== 主体两栏 ======== */
.section{padding:var(--sect) 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cat-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;}
.side{position:sticky;top:88px;}
.side-card{
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(14px);padding:18px;box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),transparent);
}
.side-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px;text-transform:uppercase;}
.anchor-list{display:flex;flex-direction:column;gap:2px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r-ctl);font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;transition:all .18s ease;
}
.anchor-list a i{font-style:normal;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.anchor-list a:hover{color:var(--text-1);background:var(--panel);border-left-color:var(--brand);}
.anchor-list a:hover i{color:var(--brand);}
.side-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--text-3);}
.side-note b{color:var(--text-1);font-weight:600;}
.side-cta{margin-top:16px;width:100%;}

/* ======== 条目流 ======== */
.flow-head{margin-bottom:26px;}
.flow-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--text-1);}
.flow-head p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-3);max-width:720px;}
.entry{
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:28px;
  padding:30px 0;border-bottom:1px solid var(--line);
  scroll-margin-top:96px;
}
.entry:first-of-type{padding-top:8px;}
.entry-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.entry-no{
  font-family:"Inter",system-ui,sans-serif;font-size:13px;font-weight:700;
  color:var(--brand);border:1px solid var(--line-glow);border-radius:6px;
  padding:2px 8px;font-variant-numeric:tabular-nums;
}
.entry h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--text-1);}
.entry-desc{font-size:15.5px;line-height:1.85;color:var(--text-2);}
.entry-points{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.entry-points li{position:relative;padding-left:16px;font-size:14.5px;line-height:1.7;color:var(--text-2);}
.entry-points li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;
  border:1px solid var(--line);background:var(--panel);color:var(--text-2);
}
.badge-brand{color:var(--brand);border-color:var(--line-glow);background:rgba(47,227,200,.08);}
.badge-accent{color:var(--accent);border-color:rgba(255,122,69,.4);background:rgba(255,122,69,.09);}
.entry-figure{margin:0;}
.entry-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;
  border:1px solid var(--line);
}
.entry-figure figcaption{margin-top:8px;font-size:12.5px;color:var(--text-3);line-height:1.6;}

/* ======== 概览卡组 ======== */
.overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:34px;}
.ov-card{
  position:relative;padding:20px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  overflow:hidden;
}
.ov-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),transparent);
}
.ov-card:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card);}
.ov-card:hover::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);box-shadow:0 0 18px rgba(47,227,200,.6);
}
.ov-icon{
  width:38px;height:38px;border-radius:9px;display:grid;place-items:center;
  background:rgba(47,227,200,.08);border:1px solid var(--line-glow);color:var(--brand);
  margin-bottom:14px;
}
.ov-card h3{font-size:17px;font-weight:600;color:var(--text-1);}
.ov-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-3);}

/* ======== FAQ ======== */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel),rgba(255,255,255,.03));
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-left:2px solid var(--brand);background:var(--panel);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--text-1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:0 0 auto;
  border-right:1.5px solid var(--brand);border-bottom:1.5px solid var(--brand);
  transform:rotate(45deg);transition:transform .2s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(225deg);margin-top:4px;}
.faq-item p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ======== CTA 条 ======== */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(47,227,200,.08),rgba(23,168,240,.05) 45%,rgba(255,255,255,.03));
  backdrop-filter:blur(14px);
  padding:38px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.18),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--text-1);position:relative;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:620px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}

/* ======== 页脚 ======== */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:var(--sect);}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand strong{font-size:16px;color:var(--text-1);}
.foot-desc{font-size:14px;line-height:1.8;color:var(--text-3);max-width:330px;}
.foot-title{font-size:13px;letter-spacing:.1em;color:var(--text-1);margin-bottom:14px;font-weight:600;}
.foot-link{display:block;font-size:14px;color:var(--text-3);padding:6px 0;transition:color .2s ease,padding-left .2s ease;}
.foot-link:hover{color:var(--brand);padding-left:4px;}
.foot-contact li{font-size:14px;color:var(--text-2);padding:6px 0;display:flex;gap:10px;}
.foot-contact li span{color:var(--text-3);min-width:42px;}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:var(--text-3);}
.foot-social{display:flex;gap:10px;}
.foot-social a{
  width:36px;height:36px;border-radius:var(--r-ctl);display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);background:var(--panel);
  transition:all .2s ease;
}
.foot-social a:hover{color:var(--brand);border-color:var(--line-glow);transform:translateY(-2px);}
.foot-social svg{width:20px;height:20px;}

/* ======== 返回顶部 ======== */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);color:var(--brand);
  backdrop-filter:blur(12px);box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--line-glow);box-shadow:var(--glow-btn);}

/* ======== 响应式 ======== */
@media (max-width:1279px){
  .container{padding:0 20px;}
  .cat-layout{gap:28px;}
  .entry{grid-template-columns:minmax(0,1fr) 190px;gap:22px;}
  .overview{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-grid;place-items:center;}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    display:block;margin:0;padding:18px 20px 24px;
    background:var(--bg-1);border-top:1px solid var(--line-glow);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-card);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .28s ease,opacity .2s ease,visibility .2s;
  }
  .nav.is-open{max-height:80vh;overflow-y:auto;opacity:1;visibility:visible;}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{width:100%;justify-content:space-between;height:44px;font-size:15px;}
  .has-mega{position:static;}
  .mega-panel{
    position:static;width:100%;grid-template-columns:1fr;gap:16px;
    margin-top:8px;padding:16px;opacity:1;visibility:visible;transform:none;
    display:none;
  }
  .has-mega.is-open .mega-panel{display:grid;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .side{position:static;}
  .side-card{padding:16px;}
  .anchor-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .anchor-list a{border:1px solid var(--line);border-left-width:1px;border-radius:var(--r-ctl);}
  .entry{grid-template-columns:minmax(0,1fr) 180px;}
  .overview{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 28px;}
}
@media (max-width:767px){
  :root{--gap:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero-inner{padding:8px 0 42px;}
  .hero-actions .btn{width:100%;}
  .entry{grid-template-columns:minmax(0,1fr);gap:16px;padding:24px 0;}
  .entry-figure{order:-1;}
  .overview{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  h1{font-size:clamp(26px,7vw,32px);}
  .flow-head h2{font-size:22px;}
  .entry h3{font-size:18px;}
  .side-card{padding:14px;}
  .faq-item summary{padding:15px 16px;font-size:15px;}
  .faq-item p{padding:0 16px 16px;font-size:14.5px;}
  .stat-chip{padding:8px 12px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-glow:rgba(47,227,200,.45);
  --brand:#2FE3C8;
  --brand-deep:#17A8F0;
  --accent:#FF7A45;
  --text-1:#E9EFF8;
  --text-2:#A6B3C8;
  --text-3:#6F7C93;
  --danger:#FF5C7A;
  --success:#3DDC97;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow-btn:0 0 0 1px rgba(47,227,200,.4), 0 10px 28px rgba(47,227,200,.26);
  --r-card:14px;
  --r-sm:8px;
  --r-btn:10px;
  --gap:24px;
  --sect:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-180px;
  left:50%;
  width:600px;
  height:600px;
  transform:translateX(-50%);
  background:radial-gradient(circle,rgba(47,227,200,.08),transparent 68%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--text-1)}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:34px;padding:0 16px;font-size:13px;border-radius:var(--r-sm)}
.btn-md{height:42px;padding:0 20px;font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  color:#04121A;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-btn);color:#04121A}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(47,227,200,.3)}
.btn-primary[disabled],.btn-primary.is-disabled{filter:saturate(.4);opacity:.6;pointer-events:none}
.btn-ghost{
  background:transparent;
  border-color:var(--line-glow);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(47,227,200,.08);color:var(--text-1);transform:translateY(-2px)}
.btn-line{
  height:auto;
  padding:0;
  border:0;
  background:none;
  color:var(--brand);
  position:relative;
  font-size:14px;
  font-weight:600;
}
.btn-line::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:100%;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.btn-line:hover::after{transform:scaleX(1)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-2);
  font-size:12px;
  line-height:1;
  letter-spacing:.02em;
}
.badge-brand{color:var(--brand);border-color:var(--line-glow);background:rgba(47,227,200,.08)}
.badge-accent{color:var(--accent);border-color:rgba(255,122,69,.4);background:rgba(255,122,69,.08)}
.badge-ok{color:var(--success);border-color:rgba(61,220,151,.4);background:rgba(61,220,151,.08)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:40px;
  color:var(--text-1);
  font-weight:700;
}
.logo:hover{color:var(--text-1)}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:var(--r-sm);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  color:#04121A;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(47,227,200,.35);
}
.logo-text{font-size:17px;letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:4px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 14px;
  border:0;
  border-radius:var(--r-sm);
  background:transparent;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text-1);background:var(--panel)}
.nav-link.is-active{color:var(--brand);background:rgba(47,227,200,.08)}
.has-mega{position:relative}
.mega-panel{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  width:680px;
  display:grid;
  grid-template-columns:1.25fr 1fr 1fr;
  gap:20px;
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,32,.98),rgba(5,8,15,.98));
  box-shadow:var(--shadow-card);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
  z-index:70;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col{display:flex;flex-direction:column;gap:2px}
.mega-title{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:8px;
}
.mega-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:7px 10px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:14px;
  transition:background .16s ease,color .16s ease;
}
.mega-link:hover{background:var(--panel-2);color:var(--text-1)}
.mega-link .mini{font-size:11.5px;color:var(--text-3)}
.mega-post{
  display:block;
  padding:9px 10px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:14px;
  transition:background .16s ease,color .16s ease;
}
.mega-post:hover{background:var(--panel-2);color:var(--text-1)}
.mega-post span{display:block;font-size:11.5px;color:var(--text-3);margin-top:2px}
.mega-card{
  display:block;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  transition:border-color .18s ease,transform .18s ease;
}
.mega-card:hover{border-color:var(--line-glow);transform:translateY(-2px)}
.mega-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.mega-card-body{padding:10px 12px}
.mega-card-body strong{display:block;color:var(--text-1);font-size:13.5px;font-weight:600}
.mega-card-body em{font-style:normal;font-size:12px;color:var(--brand)}
.nav-toggle{
  display:none;
  width:42px;
  height:38px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-1);
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .cur{color:var(--text-2)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  margin-top:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  overflow:hidden;
  min-height:268px;
  display:flex;
  align-items:center;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  filter:saturate(.9);
}
.page-hero .hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,.94) 26%,rgba(5,8,15,.62) 68%,rgba(5,8,15,.86));
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
  padding:clamp(28px,4vw,48px);
  max-width:760px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);
  line-height:1.24;
  margin:14px 0 16px;
}
.page-hero h1 .hl{color:var(--brand)}
.hero-lead{font-size:16px;line-height:1.8;color:var(--text-2)}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sect) 0 0}
.section:last-of-type{padding-bottom:0}
.sect-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.sect-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
.sect-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:660px}

/* ---------- 实时状态面板 ---------- */
.status-panel{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
  padding:26px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  backdrop-filter:blur(14px);
  position:relative;
}
.status-panel::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.status-item{border-right:1px solid var(--line);padding-right:22px}
.status-item:last-child{border-right:0;padding-right:0}
.status-item .label{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 4px rgba(61,220,151,.14);
}
.status-item .val{
  margin-top:10px;
  font-family:"Inter","Space Grotesk",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:28px;
  font-weight:700;
  color:var(--text-1);
  line-height:1.2;
}
.status-item .val .unit{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px}
.status-item .note{margin-top:6px;font-size:13.5px;color:var(--text-2)}

/* ---------- Z 字型图文 ---------- */
.z-list{display:flex;flex-direction:column;gap:0}
.zrow{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:clamp(24px,4vw,56px);
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.zrow:first-child{padding-top:8px}
.zrow.reverse .zrow-media{order:-1}
.z-flag{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-family:"Inter","Space Grotesk",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:14px;
}
.z-flag::after{
  content:"";
  width:44px;
  height:1px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.zrow h3{font-size:clamp(20px,2.2vw,24px);line-height:1.4;margin-bottom:12px}
.zrow p{font-size:15.5px;line-height:1.8;color:var(--text-2)}
.z-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.z-points li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--text-2);
}
.z-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  background:var(--brand);
  border-radius:1px;
}
.zrow-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow-card);
}
.zrow-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.zrow-media figcaption{
  padding:12px 16px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
  background:rgba(5,8,15,.5);
}

/* ---------- 自查清单 ---------- */
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.check-card{
  position:relative;
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.check-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),transparent);
}
.check-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-glow);
  box-shadow:var(--shadow-card);
}
.check-card .ico{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line-glow);
  background:rgba(47,227,200,.08);
  color:var(--brand);
  margin-bottom:14px;
}
.check-card h3{font-size:17px;margin-bottom:8px}
.check-card p{font-size:14.5px;line-height:1.75;color:var(--text-2)}
.check-card .meta{
  margin-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--text-3);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:border-color .2s ease;
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .arrow{
  flex:0 0 auto;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-3);
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--brand);border-color:var(--line-glow)}
.faq-item[open]{
  border-left:2px solid var(--brand);
  padding-left:18px;
}
.faq-item .answer{
  padding:0 0 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  position:relative;
  overflow:hidden;
  margin-top:var(--sect);
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(47,227,200,.10),rgba(23,168,240,.06) 55%,transparent);
  padding:clamp(26px,4vw,44px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  backdrop-filter:blur(14px);
}
.cta-bar::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.16),transparent 68%);
  pointer-events:none;
}
.cta-bar h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:10px}
.cta-bar p{font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sect);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,32,.6),rgba(5,8,15,.95));
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:56px 0 40px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  color:var(--text-1);
}
.foot-brand strong{font-size:16px;font-weight:700}
.foot-desc{font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.foot-title{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--text-3);
  margin-bottom:14px;
}
.foot-link{
  display:block;
  font-size:14px;
  color:var(--text-2);
  padding:5px 0;
}
.foot-link:hover{color:var(--brand)}
.foot-contact li{
  font-size:14px;
  color:var(--text-2);
  padding:5px 0;
}
.foot-contact li span{
  display:inline-block;
  min-width:46px;
  color:var(--text-3);
  font-size:13px;
}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 0 32px;
  border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:var(--text-3)}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-2);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.foot-social a:hover{border-color:var(--line-glow);color:var(--brand);transform:translateY(-2px)}
.foot-social svg{width:20px;height:20px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(10,17,32,.85);
  backdrop-filter:blur(12px);
  color:var(--text-1);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,border-color .2s ease;
  z-index:80;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--line-glow);color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-link{padding:0 10px;font-size:14px}
  .mega-panel{width:620px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;
    top:68px;
    left:0;
    right:0;
    max-height:calc(100vh - 68px);
    overflow-y:auto;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding:18px 20px 32px;
    background:var(--bg-1);
    border-top:1px solid var(--line-glow);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    z-index:65;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{height:44px;justify-content:space-between;width:100%;font-size:15px}
  .has-mega{position:static}
  .mega-panel{
    position:static;
    width:100%;
    grid-template-columns:1fr;
    gap:16px;
    opacity:1;
    visibility:visible;
    transform:none;
    display:none;
    box-shadow:none;
    background:rgba(255,255,255,.03);
    padding:16px;
  }
  .has-mega:hover .mega-panel{display:none}
  .has-mega.open .mega-panel{display:grid}
  .status-panel{grid-template-columns:1fr 1fr;gap:20px}
  .status-item{padding-right:16px}
  .check-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .logo-text{font-size:15.5px}
  .page-hero{min-height:0}
  .zrow{grid-template-columns:1fr;gap:22px;padding:32px 0}
  .zrow.reverse .zrow-media{order:0}
  .status-panel{grid-template-columns:1fr;padding:20px}
  .status-item{border-right:0;border-bottom:1px solid var(--line);padding:0 0 16px}
  .status-item:last-child{border-bottom:0;padding-bottom:0}
  .check-grid{grid-template-columns:1fr}
  .cta-bar{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;padding:40px 0 28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px}
  .sect-head h2{font-size:22px}
  .check-card{padding:16px}
  .badge{font-size:11.5px}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-glow:rgba(47,227,200,.45);
  --brand:#2FE3C8;
  --brand-deep:#17A8F0;
  --accent:#FF7A45;
  --text-1:#E9EFF8;
  --text-2:#A6B3C8;
  --text-3:#6F7C93;
  --danger:#FF5C7A;
  --success:#3DDC97;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow-btn:0 0 0 1px rgba(47,227,200,.4),0 10px 28px rgba(47,227,200,.26);
  --r-card:14px;
  --r-sm:8px;
  --r-btn:10px;
  --sp-section:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background:var(--bg-0);
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:32px 32px;
}
body::after{
  content:"";position:fixed;top:-160px;left:50%;transform:translateX(-50%);
  width:600px;height:600px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(47,227,200,.08),transparent 70%);
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--text-1)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
svg{display:block}
.num{font-family:"Inter","Space Grotesk",system-ui,sans-serif;font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
@media (min-width:1280px){.container{padding:0 32px}}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:66px}
.logo{display:flex;align-items:center;gap:10px;min-height:40px;color:var(--text-1)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:#04121A;
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  box-shadow:0 8px 20px rgba(47,227,200,.22);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text-1)}
.nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-2);line-height:1.4;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:var(--panel);color:var(--text-1)}
.nav-link.is-active{color:var(--brand);background:rgba(47,227,200,.08)}
.has-mega{position:relative}
.has-mega .nav-link svg{transition:transform .18s ease}
.has-mega:hover .nav-link svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:680px;
  display:grid;grid-template-columns:1fr 1fr 1.05fr;gap:20px;
  padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel)),rgba(10,17,32,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{
  font-size:12px;letter-spacing:.12em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:12px;
}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2);
  transition:background .16s ease,color .16s ease;
}
.mega-link:hover{background:var(--panel);color:var(--text-1)}
.mega-link .mini{font-size:12px;color:var(--text-3)}
.mega-post{display:block;padding:9px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2);transition:background .16s ease}
.mega-post:hover{background:var(--panel);color:var(--text-1)}
.mega-post span{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.mega-card{
  display:flex;flex-direction:column;gap:10px;padding:12px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);color:var(--text-1);
}
.mega-card img{border-radius:var(--r-sm);aspect-ratio:16/9;object-fit:cover;width:100%}
.mega-card strong{font-size:14px}
.mega-card em{font-style:normal;font-size:12px;color:var(--text-3)}
.mega-card .arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--panel);
  align-items:center;justify-content:center;color:var(--text-1);
}
.nav-toggle svg{width:20px;height:20px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 14px;font-size:13px}
.btn-primary{
  color:#04121A;
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-btn);color:#04121A}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{
  color:var(--brand);background:transparent;border:1px solid var(--line-glow);
}
.btn-outline:hover{background:rgba(47,227,200,.08);color:var(--brand);transform:translateY(-2px)}
.btn-text{
  height:auto;padding:0 0 3px;color:var(--brand);border-radius:0;font-weight:600;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-size:0 2px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .22s ease,color .18s ease;
}
.btn-text:hover{background-size:100% 2px;color:var(--text-1)}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none;box-shadow:none}

/* ============ badge / tag ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;color:var(--brand);
  background:rgba(47,227,200,.10);border:1px solid rgba(47,227,200,.28);
}
.badge-accent{color:var(--accent);background:rgba(255,122,69,.10);border-color:rgba(255,122,69,.30)}
.badge-muted{color:var(--text-3);background:var(--panel);border-color:var(--line)}

/* ============ breadcrumb ============ */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb svg{width:12px;height:12px;color:var(--text-3)}
.breadcrumb .current{color:var(--text-1)}

/* ============ hero ============ */
.hero-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-1)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.92)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.9;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:40px;align-items:center;
  padding-top:clamp(38px,6vw,72px);padding-bottom:clamp(38px,6vw,72px);
  min-height:280px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.06em;
  margin-bottom:14px;
}
.hero-tag::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
h1{
  font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:700;color:var(--text-1);
  letter-spacing:-.2px;margin-bottom:18px;
}
h1 .hl{color:var(--brand)}
.hero-lead{font-size:16px;line-height:1.8;color:var(--text-2);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.hero-points li::before{content:"";width:4px;height:4px;border-radius:1px;background:var(--brand)}
.hero-panel{
  position:relative;
  padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:14px;right:14px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.22),transparent);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-head h2{font-size:15px;font-weight:600;color:var(--text-1)}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--success)}
.live-dot i{width:7px;height:7px;border-radius:50%;background:var(--success);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,151,.5)}70%{box-shadow:0 0 0 8px rgba(61,220,151,0)}100%{box-shadow:0 0 0 0 rgba(61,220,151,0)}}
.panel-rows{display:grid;gap:12px}
.panel-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 13px;border-radius:var(--r-sm);background:rgba(5,8,15,.4);border:1px solid var(--line)}
.panel-row span{font-size:13px;color:var(--text-3)}
.panel-row strong{font-size:18px;font-weight:700;color:var(--brand)}
.countdown{
  margin-top:16px;padding:14px;border-radius:var(--r-sm);text-align:center;
  background:rgba(255,122,69,.08);border:1px solid rgba(255,122,69,.28);
}
.countdown p{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.countdown b{display:block;font-size:26px;font-weight:700;color:var(--accent);letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ============ notice bar ============ */
.notice-bar{border-bottom:1px solid var(--line);background:rgba(10,17,32,.72)}
.notice-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 0}
.notice-inner .badge{flex:0 0 auto}
.notice-inner p{font-size:13.5px;color:var(--text-2);flex:1 1 260px}
.notice-inner a{font-size:13px;color:var(--brand);border-bottom:1px solid transparent;transition:border-color .18s ease}
.notice-inner a:hover{border-color:var(--brand)}

/* ============ section ============ */
.section{padding-top:var(--sp-section);padding-bottom:var(--sp-section)}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,44px)}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--text-1);margin-bottom:10px}
.section-head p{font-size:15px;color:var(--text-2);max-width:620px}
.section-head .link-more{font-size:14px;font-weight:600;color:var(--brand);border-bottom:1px solid rgba(47,227,200,.35);padding-bottom:3px;transition:border-color .18s ease,color .18s ease}
.section-head .link-more:hover{border-color:var(--brand);color:var(--text-1)}

/* ============ matrix cards ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.matrix-card{
  position:relative;overflow:hidden;
  padding:20px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:14px;right:26px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.22),transparent);
}
.matrix-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-glow);
  box-shadow:inset 0 0 0 1px rgba(47,227,200,.25),0 0 34px rgba(47,227,200,.10);
}
.matrix-card .card-thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;
  margin-bottom:16px;border:1px solid var(--line);
}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.matrix-card h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--text-1);margin-bottom:8px}
.matrix-card .card-desc{font-size:14px;line-height:1.75;color:var(--text-3);margin-bottom:14px}
.card-points{display:grid;gap:9px;margin-bottom:16px}
.card-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:var(--text-2)}
.card-points li::before{content:"";flex:0 0 4px;width:4px;height:4px;margin-top:9px;border-radius:1px;background:var(--brand)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.card-foot .meta{font-size:12px;color:var(--text-3)}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.steps::before{
  content:"";position:absolute;left:6%;right:6%;top:22px;height:1px;
  background:linear-gradient(90deg,rgba(47,227,200,.45),rgba(47,227,200,.12));
}
.step{position:relative;text-align:left;padding-top:0}
.step-num{
  position:relative;z-index:1;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--brand);
  background:rgba(5,8,15,.92);border:1px solid var(--line-glow);
  margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ============ metrics + facts ============ */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:start}
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.metric{
  padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);backdrop-filter:blur(14px);
}
.metric b{
  display:block;font-size:28px;font-weight:700;color:var(--brand);
  line-height:1.3;font-variant-numeric:tabular-nums;
  font-family:"Inter","Space Grotesk",system-ui,sans-serif;
}
.metric span{font-size:13px;color:var(--text-3)}
.fact-list{display:grid;gap:0;border-top:1px solid var(--line)}
.fact-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.fact-list li svg{flex:0 0 20px;width:20px;height:20px;margin-top:4px;color:var(--brand)}
.fact-list h3{font-size:16px;font-weight:600;color:var(--text-1);margin-bottom:6px}
.fact-list p{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ============ faq ============ */
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq details{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{
  border-color:var(--line-glow);
  background:var(--panel);
  border-left:2px solid var(--brand);
}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text-1);
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:0 0 18px;width:18px;height:18px;color:var(--brand);transition:transform .2s ease}
.faq details[open] summary svg{transform:rotate(45deg)}
.faq .answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ cta ============ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(5,8,15,.9),rgba(10,17,32,.78)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.cta-inner{
  position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.4fr) auto;
  gap:28px;align-items:center;
  padding-top:clamp(40px,6vw,64px);padding-bottom:clamp(40px,6vw,64px);
}
.cta-inner h2{font-size:clamp(22px,3vw,30px);line-height:1.35;font-weight:700;color:var(--text-1);margin-bottom:12px}
.cta-inner p{font-size:15px;line-height:1.8;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ footer ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:clamp(44px,6vw,72px)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--text-1)}
.foot-brand strong{font-size:16px;font-weight:700}
.foot-desc{font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.foot-title{font-size:13px;letter-spacing:.08em;color:var(--text-1);font-weight:600;margin-bottom:14px}
.foot-link{display:block;font-size:14px;color:var(--text-3);padding:5px 0;transition:color .18s ease,transform .18s ease}
.foot-link:hover{color:var(--brand);transform:translateX(3px)}
.foot-contact{display:grid;gap:10px}
.foot-contact li{font-size:14px;color:var(--text-3);display:flex;gap:10px}
.foot-contact li span{color:var(--text-2);flex:0 0 42px}
.foot-bottom{
  margin-top:clamp(32px,4vw,48px);padding:20px 0 28px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:var(--text-3)}
.foot-social{display:flex;align-items:center;gap:12px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);background:var(--panel);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.foot-social a:hover{border-color:var(--line-glow);color:var(--brand);transform:translateY(-2px)}
.foot-social svg{width:20px;height:20px}

/* ============ to top ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  color:var(--brand);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--line-glow);box-shadow:var(--glow-btn);}
.to-top svg{width:20px;height:20px}

/* ============ responsive ============ */
@media (max-width:1279px){
  .mega-panel{width:620px}
  .matrix-grid{gap:20px}
  .split{gap:32px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;left:0;right:0;top:66px;z-index:75;
    flex-direction:column;align-items:stretch;
    padding:16px 24px 28px;
    background:var(--bg-1);border-top:1px solid var(--line-glow);
    max-height:calc(100vh - 66px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{justify-content:space-between;padding:13px 12px;font-size:15px}
  .has-mega{position:static}
  .mega-panel{
    position:static;width:auto;transform:none;opacity:1;visibility:visible;
    display:none;grid-template-columns:1fr;gap:16px;
    padding:12px 0 4px;background:transparent;border:0;box-shadow:none;backdrop-filter:none;
  }
  .has-mega.is-open .mega-panel{display:grid}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .steps::before{display:none}
  .split{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;align-items:start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .matrix-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:22px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .mega-card{display:none}
  .section-head{align-items:flex-start}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  h1{font-size:26px}
  .section-head h2{font-size:22px}
  .matrix-card{padding:16px}
  .metric{padding:16px}
  .metric b{font-size:24px}
  .panel-row strong{font-size:16px}
  .hero-panel{padding:16px}
}

/* roulang page: category4 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-glow:rgba(47,227,200,.45);
  --brand:#2FE3C8;
  --brand-deep:#17A8F0;
  --accent:#FF7A45;
  --text-1:#E9EFF8;
  --text-2:#A6B3C8;
  --text-3:#6F7C93;
  --danger:#FF5C7A;
  --success:#3DDC97;
  --shadow-card:0 18px 44px rgba(0,0,0,.45);
  --glow-btn:0 0 0 1px rgba(47,227,200,.4),0 10px 28px rgba(47,227,200,.26);
  --r-card:14px;
  --r-sm:8px;
  --r-btn:10px;
  --container:1200px;
  --gap:24px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

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

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px),
    radial-gradient(600px 600px at 78% -8%,rgba(47,227,200,.08),transparent 70%);
  background-size:32px 32px,32px 32px,auto;
  background-attachment:fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--text-1)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{padding:0 32px}}

.num{font-family:"Inter","Space Grotesk",var(--font-cn);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;min-height:40px;text-decoration:none;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04121A;font-weight:800;font-size:16px;line-height:1;
}
.logo-text{color:var(--text-1);font-size:17px;font-weight:700;white-space:nowrap}
.logo:hover .logo-text{color:var(--brand)}

.nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border:1px solid transparent;border-radius:var(--r-btn);
  background:none;color:var(--text-2);font-size:15px;line-height:1.4;
  cursor:pointer;transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.nav-link:hover{color:var(--text-1);background:var(--panel)}
.nav-link.is-active{color:var(--brand);border-color:var(--line-glow);background:rgba(47,227,200,.08)}
.nav-toggle{display:none}

.has-mega{position:relative}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:700px;display:grid;grid-template-columns:1fr 1fr 216px;gap:22px;
  padding:20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(12,19,33,.98),rgba(7,11,20,.98));
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{margin:0 0 10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3)}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px 10px;border-radius:var(--r-sm);color:var(--text-2);font-size:14.5px;
  transition:background .16s ease,color .16s ease;
}
.mega-link:hover{background:var(--panel-2);color:var(--text-1)}
.mega-link .mini{font-size:12px;color:var(--text-3)}
.mega-post{display:block;padding:8px 10px;border-radius:var(--r-sm);color:var(--text-2);font-size:14.5px;transition:background .16s ease,color .16s ease}
.mega-post:hover{background:var(--panel-2);color:var(--text-1)}
.mega-post span{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
  background:var(--panel);transition:border-color .16s ease,transform .16s ease;
}
.mega-card:hover{border-color:var(--line-glow);transform:translateY(-2px);color:var(--text-1)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card-body{padding:10px 12px 12px}
.mega-card-title{display:block;font-size:14px;color:var(--text-1);font-weight:600}
.mega-card-more{display:inline-flex;align-items:center;gap:5px;margin-top:6px;font-size:12.5px;color:var(--brand)}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  padding:0 22px;height:48px;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-deep));
  color:#04121A;box-shadow:0 6px 18px rgba(23,168,240,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-btn);color:#04121A}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--line-glow);color:var(--brand);height:48px}
.btn-outline:hover{background:rgba(47,227,200,.08);color:var(--brand)}
.btn-outline:active{transform:translateY(1px)}
.btn-md{height:42px;padding:0 18px;font-size:14.5px}
.btn-sm{height:34px;padding:0 14px;font-size:13.5px}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);opacity:.6;cursor:not-allowed;transform:none}

.link-more{
  display:inline-flex;align-items:center;gap:6px;position:relative;
  color:var(--brand);font-size:14.5px;font-weight:600;padding-bottom:3px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);
  transition:width .22s ease;
}
.link-more:hover::after{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12.5px;line-height:1.5;
  border:1px solid var(--line);background:var(--panel);color:var(--text-2);
}
.badge-brand{color:var(--brand);border-color:var(--line-glow);background:rgba(47,227,200,.08)}
.badge-accent{color:var(--accent);border-color:rgba(255,122,69,.4);background:rgba(255,122,69,.1)}

.section{padding:clamp(56px,8vw,104px) 0;position:relative}
.section-alt{
  background:rgba(10,17,32,.55);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.eyebrow{
  display:inline-block;margin-bottom:10px;
  font-size:12px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
.section-desc{max-width:660px;margin-top:12px;font-size:15.5px;color:var(--text-2)}

.glass{
  position:relative;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-card) var(--r-card) 0 0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);
}
.glass::after{
  content:"";position:absolute;left:18px;right:18px;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.6);
  transition:opacity .18s ease,transform .18s ease;
}
.glass:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--shadow-card)}
.glass:hover::after{opacity:.9;transform:scaleX(1)}

.card-pad{padding:26px}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);flex-wrap:wrap}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb svg{flex-shrink:0;opacity:.6}
.breadcrumb span[aria-current]{color:var(--text-1)}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:saturate(.85);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,8,15,.72),rgba(5,8,15,.94)),
    linear-gradient(90deg,rgba(5,8,15,.95),rgba(5,8,15,.5));
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:32px 32px;
}
.page-hero-inner{position:relative;z-index:2;padding:clamp(36px,6vw,64px) 0 clamp(40px,6vw,64px);max-width:860px}
.page-hero h1{
  margin:18px 0 0;font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:700;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.lead{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--text-2);max-width:720px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}

.stat-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  list-style:none;margin-top:32px;
}
.stat-row li{
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);backdrop-filter:blur(10px);
}
.stat-row .stat-label{display:block;font-size:12.5px;color:var(--text-3)}
.stat-row .stat-value{display:block;margin-top:4px;font-size:19px;font-weight:700;color:var(--text-1)}
.stat-row .stat-value em{font-style:normal;color:var(--brand)}

/* ============ 通道对照 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.compare-card{display:flex;flex-direction:column;padding:26px}
.compare-card h3{font-size:20px;line-height:1.4}
.compare-card .card-note{margin-top:8px;font-size:14px;color:var(--text-3)}
.spec-list{list-style:none;margin:20px 0 0;display:grid;gap:10px}
.spec-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:9px;border-bottom:1px dashed var(--line);font-size:14.5px;
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0}
.spec-list .k{color:var(--text-3);flex-shrink:0}
.spec-list .v{color:var(--text-1);text-align:right}
.compare-card .card-foot{margin-top:auto;padding-top:20px}

/* ============ 内容形态 ============ */
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.form-card{overflow:hidden;display:flex;flex-direction:column}
.form-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line)}
.form-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.form-card h3{font-size:18.5px}
.form-card p{font-size:14.5px;color:var(--text-2)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:12px}

/* ============ 时间线 ============ */
.timeline{list-style:none;position:relative;max-width:900px}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,var(--line-glow),var(--line));
}
.timeline > li{position:relative;padding:0 0 30px 40px}
.timeline > li:last-child{padding-bottom:0}
.timeline > li::before{
  content:"";position:absolute;left:0;top:6px;width:15px;height:15px;border-radius:50%;
  background:var(--bg-0);border:1px solid var(--line-glow);
}
.timeline > li::after{
  content:"";position:absolute;left:5px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--brand);
}
.tl-time{font-size:12.5px;letter-spacing:.06em;color:var(--accent);font-weight:600}
.timeline h3{margin-top:6px;font-size:18.5px}
.timeline p{margin-top:6px;font-size:14.5px;max-width:640px}

/* ============ 卡点自查 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.check-item{
  display:flex;gap:14px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);transition:border-color .16s ease,background .16s ease;
}
.check-item:hover{border-color:var(--line-glow);background:var(--panel-2)}
.check-item .dot{
  flex-shrink:0;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(47,227,200,.6);
}
.check-item h3{font-size:16px}
.check-item p{margin-top:4px;font-size:14px;color:var(--text-2)}

/* ============ 表单 ============ */
.subscribe-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.subscribe-form{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 240px;min-width:0;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--panel);color:var(--text-1);font-size:15px;font-family:inherit;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.subscribe-form input::placeholder{color:var(--text-3)}
.subscribe-form input:focus{
  outline:none;border-color:var(--brand);background:rgba(47,227,200,.05);
  box-shadow:0 0 0 3px rgba(47,227,200,.18);
}
.form-hint{margin-top:12px;font-size:13px;color:var(--text-3)}
.form-msg{margin-top:12px;font-size:13.5px;color:var(--success);min-height:20px}
.form-msg.is-error{color:var(--danger)}
.side-list{list-style:none;display:grid;gap:14px}
.side-list li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--panel)}
.side-list strong{display:block;color:var(--text-1);font-size:15px}
.side-list span{font-size:13.5px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-list{max-width:900px;display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(255,255,255,.035);overflow:hidden;transition:border-color .16s ease;
}
.faq-item[open]{border-color:var(--line-glow);background:var(--panel-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;color:var(--brand);font-size:19px;line-height:1;transition:transform .18s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{
  position:relative;padding:0 20px 18px 20px;font-size:15px;line-height:1.8;color:var(--text-2);
}
.faq-item .faq-body::before{
  content:"";position:absolute;left:0;top:2px;bottom:18px;width:2px;background:var(--brand);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  backdrop-filter:blur(14px);
  padding:clamp(28px,4vw,44px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.16),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;position:relative}
.cta-band p{margin-top:10px;font-size:15.5px;max-width:620px;position:relative}
.cta-band .btn{position:relative}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:rgba(7,11,20,.9);margin-top:clamp(56px,8vw,104px)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand strong{color:var(--text-1);font-size:16.5px}
.foot-desc{font-size:14px;color:var(--text-3);max-width:340px}
.foot-title{margin:0 0 14px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}
.foot-link{display:block;padding:6px 0;font-size:14.5px;color:var(--text-2)}
.foot-link:hover{color:var(--brand)}
.foot-contact{list-style:none;display:grid;gap:10px;font-size:14px;color:var(--text-2)}
.foot-contact li span{display:inline-block;min-width:44px;color:var(--text-3);margin-right:8px}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0 28px;font-size:13.5px;color:var(--text-3);
}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:36px;height:36px;display:grid;place-items:center;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--text-2);background:var(--panel);
  transition:border-color .16s ease,color .16s ease,transform .16s ease;
}
.foot-social a:hover{border-color:var(--line-glow);color:var(--brand);transform:translateY(-2px)}
.foot-social svg{width:20px;height:20px}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;z-index:70;
  display:grid;place-items:center;border-radius:50%;cursor:pointer;
  border:1px solid var(--line);background:rgba(10,17,32,.86);color:var(--brand);
  backdrop-filter:blur(12px);box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--line-glow);color:var(--text-1)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .mega-panel{width:620px}
}

@media (max-width:1023px){
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
    background:var(--panel);color:var(--text-1);cursor:pointer;
  }
  .nav{
    position:absolute;left:0;right:0;top:100%;display:none;
    padding:14px 24px 22px;background:var(--bg-1);
    border-bottom:1px solid var(--line-glow);box-shadow:var(--shadow-card);
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{width:100%;justify-content:space-between;padding:12px 12px}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    grid-template-columns:1fr;box-shadow:none;margin-top:8px;padding:16px;
    background:rgba(255,255,255,.04);
  }
  .mega-card{max-width:320px}
  .compare-grid,.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .subscribe-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding-top:44px}
}

@media (max-width:767px){
  :root{--gap:16px}
  .container{padding:0 18px}
  .compare-grid,.form-grid,.check-grid,.stat-row{grid-template-columns:1fr}
  .page-hero-inner{padding:32px 0 44px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .subscribe-form{flex-direction:column}
  .subscribe-form input,.subscribe-form .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;padding-top:40px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .card-pad{padding:20px}
  .compare-card,.form-card-body{padding:20px}
}

@media (max-width:480px){
  .page-hero h1{font-size:26px}
  .section-head h2{font-size:22px}
  .logo-text{font-size:15px}
  .stat-row li{padding:12px 14px}
  .faq-item summary{padding:14px 16px;font-size:15px}
  .faq-item .faq-body{padding:0 16px 16px 16px}
}