/* roulang page: index */
:root{
  --bg-deep:#070A14;
  --bg-base:#0B1020;
  --surface-1:#0E1526;
  --surface-2:#131C33;
  --line-soft:rgba(122,152,220,.16);
  --line-neon:rgba(87,242,196,.42);
  --primary:#2D6BFF;
  --primary-glow:rgba(45,107,255,.45);
  --accent:#57F2C4;
  --accent-2:#FF5C8A;
  --text:#EAF0FF;
  --muted:#93A3C4;
  --dim:#6B7A99;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  background:var(--bg-base);
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.18;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(87,242,196,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070A14}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#2D6BFF,#57F2C4);border-radius:8px;border:2px solid #070A14}
.num{font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{position:relative;padding:96px 0}
.section-alt{background:var(--bg-deep)}
.section::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:min(1200px,88%);height:1px;background:linear-gradient(90deg,transparent,var(--line-soft),transparent)}
.section-alt::after{opacity:.6}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease)}
.btn-primary{background:linear-gradient(180deg,#3C7BFF,#2D6BFF);color:#fff;box-shadow:0 8px 28px var(--primary-glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 38px rgba(45,107,255,.6)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--line-soft);color:var(--text)}
.btn-ghost:hover{border-color:var(--line-neon);color:var(--accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:13px;border-radius:10px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent);font-weight:600}
.btn-text span{transition:transform .2s var(--ease)}
.btn-text:hover span{transform:translateX(4px)}

/* 顶部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;border-bottom:1px solid transparent;transition:background .3s var(--ease),backdrop-filter .3s var(--ease),border-color .3s var(--ease)}
.site-header.scrolled{background:rgba(7,10,20,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{position:relative;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2D6BFF,#57F2C4);box-shadow:0 0 20px rgba(45,107,255,.5)}
.logo-mark::after{content:"";position:absolute;inset:9px;border-radius:4px;background:#070A14;opacity:.86}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-main{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.02em}
.logo-sub{font-size:11px;color:var(--accent);letter-spacing:.24em}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:13px;letter-spacing:.02em;color:var(--muted);border-radius:8px;transition:color .2s var(--ease)}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(87,242,196,.8)}
.nav-link.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(87,242,196,.9)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-soft);color:var(--text);transition:border-color .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{border-color:var(--line-neon);color:var(--accent)}
.icon-btn svg{width:18px;height:18px}
.mobile-drawer{position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;gap:8px;padding:24px;background:rgba(7,10,20,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transform:translateX(100%);visibility:hidden;transition:transform .32s var(--ease),visibility .32s var(--ease)}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-link{display:block;padding:16px 18px;font-size:19px;font-weight:700;color:var(--text);border-left:3px solid transparent;border-radius:10px;transition:all .2s var(--ease)}
.drawer-link:hover{background:rgba(255,255,255,.04);color:var(--accent)}
.drawer-link.is-active{border-left-color:var(--accent);color:var(--accent);background:rgba(87,242,196,.06);box-shadow:0 0 20px rgba(87,242,196,.12)}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line-soft)}

/* Hero */
.hero{position:relative;padding:150px 0 96px;overflow:hidden;background:var(--bg-deep)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.34}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 78% 26%,rgba(45,107,255,.4),transparent 55%),
  radial-gradient(circle at 14% 82%,rgba(87,242,196,.2),transparent 52%),
  linear-gradient(180deg,rgba(7,10,20,.82),rgba(11,16,32,.96) 88%)}
.hero-grid-lines{position:absolute;inset:0;opacity:.07;background-image:linear-gradient(rgba(122,152,220,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(122,152,220,.6) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 78%);-webkit-mask-image:radial-gradient(circle at 50% 30%,#000,transparent 78%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid var(--line-neon);background:rgba(87,242,196,.07);font-size:12px;letter-spacing:.14em;color:var(--accent)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero-title{margin-top:22px;font-size:52px;font-weight:800;line-height:1.18;letter-spacing:-.01em}
.hero-title .grad{background:linear-gradient(90deg,#2D6BFF,#57F2C4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--muted);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:32px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line-soft)}
.hero-trust li{display:flex;flex-direction:column;gap:2px}
.hero-trust strong{font-size:20px;color:var(--accent);font-weight:700}
.hero-trust span{font-size:12px;color:var(--dim);letter-spacing:.04em}
.hero-panel{position:relative;padding:26px;border-radius:var(--radius-card);background:rgba(255,255,255,.045);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line-soft);box-shadow:0 20px 60px rgba(3,6,18,.55),inset 0 1px 0 rgba(255,255,255,.05)}
.hero-panel::before{content:"";position:absolute;top:-1px;left:24px;right:24px;height:1px;background:linear-gradient(90deg,var(--accent),transparent 70%)}
.panel-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--dim);letter-spacing:.06em}
.panel-title .dot{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:12px}
.panel-title .dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.panel-main{display:flex;align-items:flex-end;gap:8px;margin-top:18px}
.panel-main strong{font-size:40px;line-height:1;color:var(--accent);font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.panel-main span{font-size:13px;color:var(--dim);padding-bottom:4px}
.panel-bar{height:6px;border-radius:999px;background:rgba(122,152,220,.14);margin-top:16px;overflow:hidden}
.panel-bar i{display:block;height:100%;width:76%;border-radius:999px;background:linear-gradient(90deg,#2D6BFF,#57F2C4);box-shadow:0 0 14px rgba(87,242,196,.55)}
.panel-list{margin-top:22px;display:flex;flex-direction:column;gap:0}
.panel-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line-soft);font-size:13px}
.panel-list li span:first-child{color:var(--muted)}
.panel-list li span:last-child{color:var(--text);font-weight:600}

/* 板块标题 */
.section-head{max-width:720px;margin-bottom:44px}
.section-index{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.18em;color:var(--accent);font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace}
.section-index::before{content:"";width:2px;height:26px;border-radius:2px;background:var(--accent);box-shadow:0 0 12px rgba(87,242,196,.6)}
.section-title{margin-top:12px;font-size:34px;font-weight:800}
.section-desc{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}

/* 指标看板 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{position:relative;padding:24px;border-radius:var(--radius-card);background:rgba(255,255,255,.045);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line-soft);box-shadow:0 20px 60px rgba(3,6,18,.55),inset 0 1px 0 rgba(255,255,255,.05);transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.metric-card::before{content:"";display:block;width:36px;height:2px;border-radius:2px;background:var(--accent);margin-bottom:18px;box-shadow:0 0 10px rgba(87,242,196,.7)}
.metric-card:hover{transform:translateY(-3px);border-color:var(--line-neon);box-shadow:0 24px 64px rgba(3,6,18,.6),0 0 24px rgba(87,242,196,.14)}
.metric-value{display:flex;align-items:baseline;gap:4px;font-size:36px;font-weight:700;line-height:1;color:var(--accent);font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.metric-value small{font-size:13px;font-weight:500;color:var(--dim);font-family:inherit}
.metric-label{margin-top:10px;font-size:13px;color:var(--muted)}
.metric-trend{margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--dim);display:flex;align-items:center;gap:6px}
.metric-trend b{color:var(--accent);font-weight:600}

/* Bento 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:172px;gap:20px}
.bento-card{position:relative;display:flex;flex-direction:column;justify-content:space-between;padding:24px;border-radius:var(--radius-card);background:var(--surface-1);border:1px solid var(--line-soft);box-shadow:0 20px 60px rgba(3,6,18,.45);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.bento-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(87,242,196,.7),transparent 62%)}
.bento-card:hover{transform:translateY(-3px);border-color:var(--line-neon);box-shadow:0 24px 64px rgba(3,6,18,.6),0 0 24px rgba(87,242,196,.14)}
.bento-lg{grid-column:span 6;grid-row:span 2;padding:0;justify-content:flex-end}
.bento-md{grid-column:span 3;grid-row:span 2}
.bento-sm{grid-column:span 4;grid-row:span 1}
.bento-media{position:absolute;inset:0}
.bento-media img{width:100%;height:100%;object-fit:cover;opacity:.55}
.bento-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,20,.15),rgba(7,10,20,.94))}
.bento-body{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;gap:10px}
.tag{display:inline-flex;align-items:center;width:fit-content;padding:4px 10px;border-radius:999px;font-size:12px;letter-spacing:.04em;border:1px solid var(--line-neon);color:var(--accent);background:rgba(87,242,196,.07)}
.tag-warm{border-color:rgba(255,92,138,.45);color:var(--accent-2);background:rgba(255,92,138,.08)}
.bento-card h3{font-size:20px;font-weight:700}
.bento-card p{font-size:13px;line-height:1.7;color:var(--muted)}
.bento-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--dim);transition:color .2s var(--ease)}
.bento-arrow i{font-style:normal;transition:transform .2s var(--ease)}
.bento-card:hover .bento-arrow{color:var(--accent)}
.bento-card:hover .bento-arrow i{transform:translateX(4px)}
.bento-mini-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.bento-mini-list li{position:relative;padding-left:16px;font-size:13px;color:var(--muted)}
.bento-mini-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--accent);opacity:.85}

/* 内容形态 */
.shape-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.shape-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line-soft);box-shadow:0 24px 64px rgba(3,6,18,.55)}
.shape-media img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.85}
.shape-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,20,.1),rgba(7,10,20,.75));box-shadow:inset 0 0 0 1px rgba(87,242,196,.18)}
.shape-list{display:flex;flex-direction:column;gap:8px}
.shape-item{display:flex;gap:18px;padding:20px;border-radius:var(--radius-card);border:1px solid transparent;transition:all .2s var(--ease)}
.shape-item:hover{border-color:var(--line-soft);background:var(--surface-1);transform:translateY(-2px)}
.shape-no{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line-neon);color:var(--accent);font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;font-size:13px;background:rgba(87,242,196,.06)}
.shape-item h3{font-size:17px;margin-bottom:6px}
.shape-item p{font-size:14px;line-height:1.75;color:var(--muted)}

/* 对比 */
.compare-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:32px}
.compare-grid::before{content:"";position:absolute;left:50%;top:10%;bottom:10%;width:1px;transform:translateX(-50%);background:linear-gradient(180deg,transparent,rgba(87,242,196,.5),transparent)}
.compare-col{padding:28px;border-radius:var(--radius-card);background:var(--surface-1);border:1px solid var(--line-soft);box-shadow:0 20px 60px rgba(3,6,18,.45);transition:border-color .2s var(--ease)}
.compare-col.after{border-color:var(--line-neon);box-shadow:0 20px 60px rgba(3,6,18,.5),0 0 32px rgba(87,242,196,.1)}
.compare-col h3{font-size:20px;margin-bottom:6px}
.compare-col.before h3{color:var(--dim)}
.compare-col.after h3{color:var(--accent)}
.compare-note{font-size:13px;color:var(--dim)}
.bar-row{margin-top:24px}
.bar-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.bar-head b{font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;font-size:13px}
.compare-col.before .bar-head b{color:var(--dim)}
.compare-col.after .bar-head b{color:var(--accent)}
.bar{height:6px;border-radius:999px;background:rgba(122,152,220,.14);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px}
.bar.muted i{background:linear-gradient(90deg,#38435C,#5C6C8C)}
.bar.neon i{background:linear-gradient(90deg,#2D6BFF,#57F2C4);box-shadow:0 0 14px rgba(87,242,196,.55)}
.compare-conclusion{margin-top:32px;padding:20px 24px;border-radius:var(--radius-card);border:1px solid var(--line-soft);background:var(--surface-2);font-size:14px;color:var(--muted);display:flex;gap:14px;align-items:flex-start}
.compare-conclusion::before{content:"";flex-shrink:0;width:3px;border-radius:3px;align-self:stretch;background:linear-gradient(180deg,#2D6BFF,#57F2C4)}

/* 最新信息 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.news-head .section-head{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:var(--radius-card);background:var(--surface-1);border:1px solid var(--line-soft);box-shadow:0 20px 60px rgba(3,6,18,.4);transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-neon);box-shadow:0 24px 64px rgba(3,6,18,.6),0 0 24px rgba(87,242,196,.14)}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.news-badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;color:var(--accent);border:1px solid var(--line-neon);background:rgba(87,242,196,.07)}
.news-date{font-size:12px;color:var(--dim)}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--accent)}
.news-card p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--dim)}
.news-foot a{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.news-foot a:hover{filter:brightness(1.15)}
.news-empty{grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border:1px dashed rgba(122,152,220,.34);border-radius:var(--radius-card);background:rgba(14,21,38,.5);text-align:center;padding:32px}
.news-empty svg{width:34px;height:34px;color:var(--dim)}
.news-empty strong{color:var(--text);font-size:15px;font-weight:600}
.news-empty span{font-size:13px;color:var(--dim)}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius-card);background:var(--surface-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item:hover{border-color:rgba(122,152,220,.3)}
.faq-item.is-open{border-color:var(--line-neon);box-shadow:0 0 20px rgba(87,242,196,.12)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;padding:20px 24px;text-align:left}
.faq-num{flex-shrink:0;font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;font-size:13px;color:var(--accent);letter-spacing:.06em}
.faq-text{flex:1;font-size:16px;font-weight:600;color:var(--text);line-height:1.6}
.faq-icon{flex-shrink:0;position:relative;width:20px;height:20px;border-radius:50%;border:1px solid var(--line-soft);transition:border-color .2s var(--ease),transform .3s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--muted);transform:translate(-50%,-50%);transition:background .2s var(--ease),opacity .2s var(--ease)}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px}
.faq-item.is-open .faq-icon{border-color:var(--line-neon);transform:rotate(180deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--accent)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{margin:0 24px 22px 62px;padding-top:16px;border-top:1px solid var(--line-soft);font-size:15px;line-height:1.85;color:var(--muted)}

/* 转化表单 */
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);line-height:1.75}
.cta-points li::before{content:"";flex-shrink:0;margin-top:.55em;width:14px;height:14px;border-radius:4px;border:1px solid var(--line-neon);background:rgba(87,242,196,.12);box-shadow:inset 0 0 6px rgba(87,242,196,.4)}
.contact-block{margin-top:34px;padding-top:24px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:10px;font-size:14px}
.contact-block span{color:var(--dim);font-size:12px;letter-spacing:.08em}
.contact-block a{color:var(--text);font-weight:600}
.contact-block a:hover{color:var(--accent)}
.form-card{padding:32px;border-radius:var(--radius-card);background:var(--surface-2);border:1px solid var(--line-soft);box-shadow:0 24px 64px rgba(3,6,18,.55)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:13px;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line-soft);color:var(--text);font-size:14px;line-height:1.5;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease)}
.field textarea{resize:vertical;min-height:104px}
.field input::placeholder,.field textarea::placeholder{color:#5C6B8A}
.field select option{background:#131C33;color:#EAF0FF}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);background:rgba(255,255,255,.05)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent-2)}
.err-tip{display:none;margin-top:6px;font-size:12px;color:var(--accent-2)}
.field.has-error .err-tip{display:block}
.form-privacy{margin-top:14px;font-size:12px;line-height:1.7;color:var(--dim);text-align:center}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:10px;font-size:13px;border:1px solid var(--line-neon);background:rgba(87,242,196,.08);color:var(--accent)}
.form-msg.show{display:block}

/* 页脚 */
.site-footer{position:relative;padding:64px 0 28px;background:var(--bg-deep)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(87,242,196,.55),rgba(45,107,255,.5),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:13px;line-height:1.8;color:var(--dim);max-width:280px}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:16px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--muted)}
.footer-contact b{color:var(--accent);font-weight:600}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--dim)}

/* 响应式 */
@media (max-width:1024px){
  .main-nav{display:none}
  .icon-btn{display:inline-flex}
  .hero{padding:128px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:38px}
  .hero-sub{max-width:none}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .bento{grid-auto-rows:auto}
  .bento-lg,.bento-md,.bento-sm{grid-column:span 12;grid-row:auto;min-height:200px}
  .bento-lg{min-height:340px}
  .shape-grid{grid-template-columns:1fr;gap:32px}
  .compare-grid{grid-template-columns:1fr;gap:24px}
  .compare-grid::before{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .header-inner{height:66px}
  .logo-main{font-size:15px}
  .hero{padding:112px 0 60px}
  .hero-title{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-trust{gap:24px;margin-top:30px}
  .section-title{font-size:26px}
  .section{padding:56px 0}
  .metric-grid{grid-template-columns:1fr;gap:14px}
  .news-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-a p{margin-left:24px}
  .hero-trust strong{font-size:17px}
}
@media (max-width:520px){
  .hero-title{font-size:28px;line-height:1.24}
  .hero-cta .btn{width:100%}
  .header-actions .btn-sm{padding:9px 14px;font-size:12px}
  .bento-body{padding:20px}
  .hero-panel{padding:20px}
}

/* roulang page: article */
:root{
  --bg-deep:#070A14;
  --bg-base:#0B1020;
  --surface-1:#0E1526;
  --surface-2:#131C33;
  --line-soft:rgba(122,152,220,.16);
  --line-neon:rgba(87,242,196,.42);
  --primary:#2D6BFF;
  --primary-glow:rgba(45,107,255,.45);
  --accent:#57F2C4;
  --accent-2:#FF5C8A;
  --text:#EAF0FF;
  --muted:#93A3C4;
  --dim:#6B7A99;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
a{color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
::selection{background:rgba(87,242,196,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#2D6BFF,#57F2C4);border-radius:8px;border:2px solid var(--bg-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.page-glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 80% -10%,rgba(45,107,255,.20),transparent 70%),
    radial-gradient(720px 460px at 6% 8%,rgba(87,242,196,.10),transparent 72%);
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:640px){.container{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line-soft);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;position:relative;
  background:linear-gradient(135deg,#2D6BFF,#57F2C4);
  box-shadow:0 0 18px var(--primary-glow);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border:1.5px solid rgba(7,10,20,.78);border-radius:6px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-main{font-size:15px;font-weight:800;letter-spacing:.02em}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.18em}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;font-size:13px;letter-spacing:.02em;color:var(--muted);
  text-decoration:none;padding:8px 0;transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px var(--line-neon);
}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);top:-8px;
  width:4px;height:4px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line-soft);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-neon)}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);background:var(--accent)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);background:var(--accent)}
.nav-drawer-cta{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--radius-btn);
  padding:13px 22px;text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2D6BFF,#4E86FF);
  color:#fff;box-shadow:0 8px 28px var(--primary-glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 36px rgba(45,107,255,.6)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--line-soft);color:var(--text)}
.btn-ghost:hover{border-color:var(--line-neon);color:var(--accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 16px;font-size:13px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--accent);
  text-decoration:none;transition:gap .2s var(--ease),color .2s var(--ease);
}
.link-arrow:hover{gap:10px;color:#8FFBDF}

/* ============ 文章头 ============ */
.article-hero{position:relative;z-index:1;padding:120px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--dim);line-height:1.6;
}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(122,152,220,.4)}
.breadcrumb .current{
  color:var(--dim);max-width:min(100%,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:840px;margin:22px auto 0}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.4;
  padding:5px 13px;border-radius:999px;border:1px solid var(--line-neon);
  color:var(--accent);background:rgba(87,242,196,.08);
}
.article-title{
  font-size:clamp(26px,3.4vw,36px);line-height:1.32;font-weight:800;
  letter-spacing:.01em;margin:16px 0 0;color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--dim);margin-top:18px;
}
.article-meta .divider{width:1px;height:12px;background:var(--line-soft)}
.article-meta b{color:var(--muted);font-weight:500}
.article-rule{
  height:1px;margin-top:26px;
  background:linear-gradient(90deg,var(--accent),rgba(45,107,255,.55),transparent);
}

/* ============ 正文布局 ============ */
.article-layout{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr) 240px;
  gap:56px;max-width:1120px;margin:46px auto 0;align-items:start;
}
.article-main{min-width:0;max-width:800px;margin:0 auto}
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;max-width:800px}
  .article-side{display:none}
}
.side-card{
  background:var(--surface-1);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);padding:20px;
  box-shadow:0 20px 60px rgba(3,6,18,.55),inset 0 1px 0 rgba(255,255,255,.05);
}
.side-card h3{
  font-size:13px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:14px;
}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13.5px;color:var(--muted);text-decoration:none;transition:color .2s var(--ease),transform .2s var(--ease);
}
.side-links a::after{content:"→";color:var(--dim);transition:transform .2s var(--ease),color .2s var(--ease)}
.side-links a:hover{color:var(--accent);transform:translateX(2px)}
.side-links a:hover::after{transform:translateX(3px);color:var(--accent)}
.side-note{font-size:13px;color:var(--muted);line-height:1.85}
.side-note b{color:var(--text);font-weight:600}

/* ============ 正文排版 ============ */
.article-body{font-size:16.5px;line-height:1.9;color:var(--muted);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body > * + *{margin-top:1.35em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--text);
  padding-left:14px;margin-top:46px;margin-bottom:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px var(--line-neon);
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:600;color:var(--text);
  margin-top:32px;margin-bottom:10px;
}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--text);margin-top:24px}
.article-body p{color:var(--muted)}
.article-body strong{color:var(--text);font-weight:600}
.article-body ul,.article-body ol{padding-left:22px}
.article-body ul{list-style:none;padding-left:2px}
.article-body ul > li{position:relative;padding-left:20px;margin:9px 0}
.article-body ul > li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 8px rgba(87,242,196,.5);
}
.article-body ol > li{margin:9px 0;padding-left:4px}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--surface-1);
  border-left:3px solid var(--accent);
  border-radius:0 var(--radius-card) var(--radius-card) 0;color:var(--text);
}
.article-body blockquote p{margin:0;color:var(--text)}
.article-body img{
  max-width:100%;height:auto;border-radius:var(--radius-img);
  border:1px solid var(--line-soft);margin:26px auto;
}
.article-body figure{margin:26px 0}
.article-body figcaption{
  font-size:12.5px;color:var(--dim);text-align:center;margin-top:10px;
}
.article-body a{
  color:var(--accent);text-decoration:underline;text-underline-offset:4px;
  text-decoration-thickness:1px;transition:color .2s var(--ease);
}
.article-body a:hover{color:#8FFBDF}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14.5px;margin:26px 0;
  border:1px solid var(--line-soft);border-radius:var(--radius-img);overflow:hidden;
}
.article-body th{
  background:var(--surface-2);color:var(--text);text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--line-soft);font-weight:600;
}
.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line-soft);color:var(--muted);
}
.article-body tr:last-child td{border-bottom:none}
.article-body code{
  background:var(--surface-2);color:var(--accent);padding:2px 6px;border-radius:6px;
  font-family:ui-monospace,"JetBrains Mono",monospace;font-size:.9em;
}
.article-body pre{
  background:var(--surface-2);border:1px solid var(--line-soft);
  border-radius:var(--radius-img);padding:18px;overflow-x:auto;font-size:14px;
}
.article-body hr{border:none;height:1px;background:var(--line-soft);margin:34px 0}

/* 空态 */
.article-empty{
  border:1px dashed var(--line-soft);border-radius:var(--radius-card);
  background:var(--surface-1);padding:56px 24px;text-align:center;
}
.article-empty .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;
  border:1px solid var(--line-neon);background:rgba(87,242,196,.08);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
  font-size:22px;font-weight:700;
}
.article-empty h2{font-size:19px;color:var(--text);font-weight:700;margin-bottom:10px}
.article-empty p{font-size:14px;color:var(--muted);margin-bottom:24px}

/* ============ 文末 ============ */
.article-foot{position:relative;z-index:1;max-width:800px;margin:56px auto 0}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  font-size:12.5px;line-height:1.6;padding:5px 13px;border-radius:999px;
  border:1px solid var(--line-soft);color:var(--muted);text-decoration:none;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{border-color:var(--line-neon);color:var(--accent);background:rgba(87,242,196,.07)}
.foot-rule{height:1px;background:var(--line-soft);margin:32px 0 28px}
.foot-title{
  display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--text);
  margin-bottom:18px;
}
.foot-title::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px var(--line-neon);
}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:860px){.related-grid{grid-template-columns:1fr}}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;text-decoration:none;
  background:var(--surface-1);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  box-shadow:0 20px 60px rgba(3,6,18,.45),inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.related-card:hover{
  transform:translateY(-3px);border-color:var(--line-neon);
  box-shadow:0 26px 70px rgba(3,6,18,.6),0 0 24px rgba(87,242,196,.14);
}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,20,.15),rgba(7,10,20,.75));
}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:16px 18px 18px}
.related-body .kicker{font-size:11.5px;letter-spacing:.08em;color:var(--accent)}
.related-body h4{font-size:15px;font-weight:700;color:var(--text);margin:8px 0 6px;line-height:1.5}
.related-body p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}

/* ============ CTA 条 ============ */
.cta-wrap{position:relative;z-index:1;max-width:1120px;margin:64px auto 0;padding:0 24px}
@media (max-width:640px){.cta-wrap{padding:0 16px}}
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:var(--surface-2);border:1px solid var(--line-soft);border-left:3px solid var(--accent);
  border-radius:var(--radius-card);padding:28px 32px;
  box-shadow:0 20px 60px rgba(3,6,18,.55);
}
.cta-bar h2{font-size:20px;font-weight:700;color:var(--text);line-height:1.5}
.cta-bar p{font-size:13.5px;color:var(--muted);margin-top:6px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:640px){
  .cta-bar{padding:24px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;background:var(--bg-deep);
  border-top:1px solid var(--line-soft);margin-top:96px;padding:60px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),rgba(45,107,255,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:330px}
.footer-col h4{
  font-size:13px;font-weight:700;color:var(--text);letter-spacing:.06em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:13.5px;color:var(--muted);text-decoration:none;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--muted)}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line-soft);margin-top:48px;padding-top:22px;
  font-size:12.5px;color:var(--dim);
}

/* ============ 移动端导航抽屉 ============ */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .main-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:55;
    display:flex;flex-direction:column;justify-content:center;align-items:stretch;
    gap:6px;padding:100px 24px 40px;
    background:rgba(7,10,20,.97);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .32s var(--ease),opacity .32s var(--ease);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{
    font-size:22px;font-weight:700;color:var(--muted);
    padding:16px 18px;border-left:3px solid transparent;border-radius:8px;
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.03)}
  .nav-link.is-active{border-left-color:var(--accent);background:rgba(87,242,196,.06)}
  .nav-link.is-active::after,.nav-link.is-active::before{display:none}
  .nav-drawer-cta{
    display:inline-flex;margin-top:22px;width:100%;
    box-shadow:0 10px 34px var(--primary-glow);
  }
  .article-hero{padding-top:104px}
  .site-footer{margin-top:72px;padding-top:48px}
}
@media (max-width:640px){
  .header-inner{height:64px}
  .article-hero{padding-top:96px}
  .article-title{font-size:25px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .article-foot{margin-top:44px}
}

/* roulang page: category1 */
:root{
    --bg-deep:#070A14;
    --bg-base:#0B1020;
    --surface-1:#0E1526;
    --surface-2:#131C33;
    --line-soft:rgba(122,152,220,.16);
    --line-neon:rgba(87,242,196,.42);
    --primary:#2D6BFF;
    --primary-glow:rgba(45,107,255,.45);
    --accent:#57F2C4;
    --accent-2:#FF5C8A;
    --text:#EAF0FF;
    --muted:#93A3C4;
    --dim:#6B7A99;
    --radius-card:18px;
    --radius-btn:12px;
    --radius-img:14px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,
  *::before,
  *::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body.site-body{
    margin:0;
    padding:0;
    background:
      radial-gradient(900px 520px at 82% -8%, rgba(45,107,255,.20), transparent 62%),
      radial-gradient(720px 460px at 6% 8%, rgba(87,242,196,.10), transparent 60%),
      var(--bg-base);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  ::selection{background:rgba(87,242,196,.28);color:#04121a;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:var(--bg-deep);}
  ::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(45,107,255,.7),rgba(87,242,196,.55));border-radius:8px;border:2px solid var(--bg-deep);}

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

  /* ---------- header ---------- */
  .site-header{
    position:fixed;inset:0 0 auto 0;z-index:80;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
  }
  .site-header.scrolled{
    background:rgba(7,10,20,.78);
    border-bottom:1px solid var(--line-soft);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
  .logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    box-shadow:0 0 20px rgba(45,107,255,.55),inset 0 1px 0 rgba(255,255,255,.35);
    position:relative;flex:0 0 auto;
  }
  .logo-mark::after{
    content:"";position:absolute;inset:9px;border-radius:4px;
    border:1.5px solid rgba(7,10,20,.65);
    transform:rotate(45deg);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.16;}
  .logo-main{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--text);}
  .logo-sub{font-size:11px;letter-spacing:.22em;color:var(--dim);}
  .main-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
  .nav-link{
    position:relative;padding:8px 0;font-size:13.5px;letter-spacing:.02em;
    color:var(--muted);transition:color .2s var(--ease);
  }
  .nav-link:hover,.nav-link:focus-visible{color:var(--text);}
  .nav-link.is-active{color:var(--accent);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,transparent,var(--accent),transparent);
    box-shadow:0 0 12px var(--line-neon);
  }
  .nav-link.is-active::before{
    content:"";position:absolute;left:50%;top:-4px;width:4px;height:4px;border-radius:50%;
    background:var(--accent);transform:translateX(-50%);
    box-shadow:0 0 10px var(--accent);
  }
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .icon-btn{
    display:none;width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line-soft);background:var(--surface-1);
    align-items:center;justify-content:center;transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .icon-btn:hover{border-color:var(--line-neon);}
  .icon-btn span{display:block;width:16px;height:1.5px;background:var(--text);position:relative;}
  .icon-btn span::before,.icon-btn span::after{
    content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--text);
  }
  .icon-btn span::before{top:-5px;}
  .icon-btn span::after{top:5px;}

  .mobile-drawer{
    position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
    padding:26px 22px 34px;
    background:rgba(7,10,20,.97);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    transform:translateX(100%);opacity:0;visibility:hidden;
    transition:transform .32s var(--ease),opacity .32s var(--ease),visibility .32s var(--ease);
  }
  .mobile-drawer.is-open{transform:translateX(0);opacity:1;visibility:visible;}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px;}
  .drawer-close{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line-soft);
    display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--muted);
  }
  .drawer-close:hover{color:var(--accent);border-color:var(--line-neon);}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px;}
  .drawer-link{
    padding:16px 16px;border-radius:12px;font-size:20px;font-weight:700;color:var(--text);
    border-left:3px solid transparent;transition:all .2s var(--ease);
  }
  .drawer-link:hover{background:var(--surface-1);}
  .drawer-link.is-active{color:var(--accent);border-left-color:var(--accent);background:rgba(87,242,196,.07);}
  .drawer-cta{margin-top:auto;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;letter-spacing:.02em;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
    white-space:nowrap;cursor:pointer;border:1px solid transparent;
  }
  .btn-primary{
    background:linear-gradient(135deg,#3A78FF,#2D6BFF 55%,#245BE0);
    color:#fff;box-shadow:0 8px 28px var(--primary-glow);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(45,107,255,.62);filter:brightness(1.08);}
  .btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 18px var(--primary-glow);}
  .btn-ghost{
    background:transparent;border:1px solid var(--line-soft);color:var(--text);
  }
  .btn-ghost:hover{border-color:var(--line-neon);color:var(--accent);box-shadow:0 0 20px rgba(87,242,196,.16);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-sm{padding:10px 18px;font-size:13.5px;}
  .btn-block{width:100%;}

  /* ---------- page hero ---------- */
  .page-hero{position:relative;overflow:hidden;padding:150px 0 78px;}
  .page-hero-bg{
    position:absolute;inset:0;background-size:cover;background-position:center;
    opacity:.30;filter:saturate(1.05);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:
      linear-gradient(180deg,rgba(7,10,20,.86) 0%,rgba(7,10,20,.72) 42%,var(--bg-base) 100%),
      radial-gradient(700px 340px at 78% 18%, rgba(87,242,196,.16), transparent 68%),
      repeating-linear-gradient(90deg,rgba(122,152,220,.05) 0 1px,transparent 1px 88px);
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:2;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:22px;flex-wrap:wrap;}
  .breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb span.sep{color:rgba(107,122,153,.6);}
  .breadcrumb .current{color:var(--dim);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.08em;
    color:var(--accent);border:1px solid var(--line-neon);background:rgba(87,242,196,.08);
    margin-bottom:20px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);display:block;}
  .page-hero h1{
    font-size:clamp(28px,4.2vw,50px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
    max-width:840px;margin-bottom:18px;
  }
  .page-hero h1 em{
    font-style:normal;
    background:linear-gradient(100deg,var(--primary) 0%,var(--accent) 96%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .page-hero .lead{
    max-width:660px;color:var(--muted);font-size:16px;line-height:1.85;margin-bottom:30px;
  }
  .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

  /* ---------- section base ---------- */
  .section{padding:86px 0;}
  .section-head{max-width:720px;margin-bottom:42px;}
  .section-tag{
    display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;
    color:var(--accent);text-transform:uppercase;margin-bottom:14px;
  }
  .section-tag::before{content:"";width:2px;height:16px;background:var(--accent);border-radius:2px;box-shadow:0 0 10px var(--accent);}
  .section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.24;font-weight:800;margin-bottom:14px;}
  .section-head p{color:var(--muted);font-size:15px;line-height:1.85;}

  /* ---------- sidebar layout ---------- */
  .layout-sidebar{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start;}
  .side-nav{
    position:sticky;top:100px;
    background:var(--surface-1);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    padding:20px 16px;box-shadow:0 20px 60px rgba(3,6,18,.55);
  }
  .side-nav-title{
    font-size:12px;letter-spacing:.18em;color:var(--dim);padding:0 10px 14px;
    border-bottom:1px solid var(--line-soft);margin-bottom:12px;
  }
  .side-link{
    display:flex;align-items:center;gap:10px;
    padding:11px 12px;border-radius:10px;font-size:14px;color:var(--muted);
    border-left:2px solid transparent;
    transition:all .2s var(--ease);
  }
  .side-link b{
    font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11px;color:var(--dim);font-weight:500;
  }
  .side-link:hover{background:var(--surface-2);color:var(--text);}
  .side-link.is-active{
    color:var(--accent);background:rgba(87,242,196,.08);border-left-color:var(--accent);
    box-shadow:0 0 20px rgba(87,242,196,.10) inset;
  }
  .side-link.is-active b{color:var(--accent);}
  .side-note{
    margin-top:16px;padding:14px;border-radius:12px;background:var(--surface-2);
    border:1px solid var(--line-soft);font-size:12.5px;color:var(--dim);line-height:1.8;
  }
  .side-note strong{color:var(--muted);font-weight:600;}

  /* ---------- card flow ---------- */
  .card-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .flow-card{
    position:relative;display:flex;flex-direction:column;
    background:var(--surface-1);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:0 18px 50px rgba(3,6,18,.5),inset 0 1px 0 rgba(255,255,255,.04);
    transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .flow-card:nth-child(even){transform:translateY(32px);}
  .flow-card:hover{
    transform:translateY(-3px);border-color:var(--line-neon);
    box-shadow:0 24px 60px rgba(3,6,18,.62),0 0 24px rgba(87,242,196,.14);
  }
  .flow-card:nth-child(even):hover{transform:translateY(29px);}
  .card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .flow-card:hover .card-media img{transform:scale(1.04);}
  .card-media::after{
    content:"";position:absolute;inset:0;border-bottom:1px solid var(--line-soft);
    background:linear-gradient(180deg,rgba(11,16,32,.12) 0%,rgba(11,16,32,.78) 100%);
    pointer-events:none;
  }
  .card-index{
    position:absolute;left:16px;top:14px;z-index:2;
    font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;
    padding:4px 10px;border-radius:999px;color:var(--accent);
    background:rgba(7,10,20,.72);border:1px solid var(--line-neon);letter-spacing:.08em;
  }
  .card-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-body h3{font-size:19px;line-height:1.4;font-weight:700;}
  .card-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--dim);}
  .card-meta span{padding:3px 9px;border-radius:999px;border:1px solid var(--line-soft);}
  .card-body p{font-size:14px;line-height:1.75;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-link{
    margin-top:auto;display:inline-flex;align-items:center;gap:8px;
    font-size:13.5px;color:var(--accent);font-weight:600;letter-spacing:.02em;
  }
  .card-link svg{transition:transform .2s var(--ease);}
  .flow-card:hover .card-link svg{transform:translateX(4px);}

  /* ---------- steps ---------- */
  .steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
  .step-card{
    position:relative;padding:26px 22px 24px;border-radius:var(--radius-card);
    background:linear-gradient(160deg,var(--surface-2),var(--surface-1));
    border:1px solid var(--line-soft);
    box-shadow:0 16px 44px rgba(3,6,18,.45);
    transition:border-color .25s var(--ease),transform .25s var(--ease);
  }
  .step-card:hover{border-color:var(--line-neon);transform:translateY(-3px);}
  .step-num{
    font-family:"DIN Alternate","JetBrains Mono",ui-monospace,monospace;
    font-size:30px;font-weight:700;color:var(--accent);line-height:1;
    font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .step-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
  .step-card p{font-size:13.5px;line-height:1.8;color:var(--muted);}

  /* ---------- stats ---------- */
  .stats-band{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  }
  .stat-card{
    padding:22px 20px;border-radius:var(--radius-card);
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border:1px solid var(--line-soft);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  }
  .stat-card::before{
    content:"";display:block;width:28px;height:2px;border-radius:2px;
    background:var(--accent);box-shadow:0 0 10px var(--accent);margin-bottom:16px;
  }
  .stat-value{
    font-family:"DIN Alternate","JetBrains Mono",ui-monospace,monospace;
    font-size:clamp(28px,3.4vw,38px);font-weight:700;color:var(--accent);
    line-height:1.05;font-variant-numeric:tabular-nums;
  }
  .stat-unit{font-size:12px;color:var(--dim);margin-left:4px;}
  .stat-label{font-size:13px;color:var(--muted);margin-top:8px;}

  /* ---------- faq ---------- */
  .faq-wrap{max-width:880px;margin:0 auto;}
  .faq-item{
    border:1px solid var(--line-soft);border-radius:14px;background:var(--surface-1);
    margin-bottom:14px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .faq-item.is-open{border-color:var(--line-neon);box-shadow:0 0 20px rgba(87,242,196,.12);}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:16px;text-align:left;
    padding:20px 22px;font-size:16px;color:var(--text);font-weight:600;
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--accent);}
  .faq-q .q-num{
    font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;
    color:var(--accent);flex:0 0 auto;letter-spacing:.06em;
  }
  .faq-q .q-text{flex:1;}
  .faq-q .q-icon{
    flex:0 0 auto;width:20px;height:20px;position:relative;
    transition:transform .25s var(--ease);
  }
  .faq-q .q-icon::before,.faq-q .q-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-q .q-icon::before{width:12px;height:1.6px;}
  .faq-q .q-icon::after{width:1.6px;height:12px;transition:opacity .25s var(--ease);}
  .faq-item.is-open .q-icon::after{opacity:0;}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .32s var(--ease);
    border-top:1px solid transparent;
  }
  .faq-item.is-open .faq-a{border-top-color:var(--line-soft);}
  .faq-a p{padding:18px 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ---------- cta band + form ---------- */
  .cta-band{
    position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;
    padding:30px 34px;border-radius:var(--radius-card);
    background:var(--surface-2);border:1px solid var(--line-soft);
    box-shadow:0 20px 60px rgba(3,6,18,.5);
    margin-bottom:56px;flex-wrap:wrap;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:linear-gradient(180deg,var(--primary),var(--accent));
    box-shadow:0 0 18px var(--line-neon);
  }
  .cta-band h3{font-size:20px;font-weight:700;margin-bottom:6px;}
  .cta-band p{font-size:14px;color:var(--muted);}

  .form-layout{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
  .form-aside h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.26;margin-bottom:16px;}
  .form-aside > p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:24px;}
  .tick-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;}
  .tick-list li{display:flex;gap:12px;font-size:14px;color:var(--muted);line-height:1.7;}
  .tick-list li svg{flex:0 0 auto;margin-top:4px;color:var(--accent);}
  .contact-block{
    padding:18px 20px;border-radius:14px;border:1px solid var(--line-soft);background:var(--surface-1);
    font-size:13.5px;color:var(--muted);line-height:2;
  }
  .contact-block b{color:var(--text);font-weight:600;}

  .lead-form{
    padding:28px;border-radius:var(--radius-card);
    background:var(--surface-2);border:1px solid var(--line-soft);
    box-shadow:0 24px 60px rgba(3,6,18,.55),inset 0 1px 0 rgba(255,255,255,.05);
  }
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.02em;}
  .field input,.field select,.field textarea{
    width:100%;padding:12px 14px;border-radius:10px;
    background:rgba(255,255,255,.02);border:1px solid var(--line-soft);
    color:var(--text);font-size:14.5px;line-height:1.6;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .field textarea{resize:vertical;min-height:108px;}
  .field input::placeholder,.field textarea::placeholder{color:rgba(107,122,153,.85);}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--primary);background:rgba(45,107,255,.06);
    box-shadow:0 0 0 3px var(--primary-glow);
  }
  .field select option{background:var(--surface-2);color:var(--text);}
  .form-hint{font-size:12px;color:var(--dim);line-height:1.7;margin-top:12px;}
  .form-done{
    margin-top:14px;padding:12px 14px;border-radius:10px;font-size:13.5px;
    color:var(--accent);background:rgba(87,242,196,.10);border:1px solid var(--line-neon);
  }

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--bg-deep);border-top:1px solid var(--line-soft);
    position:relative;padding:64px 0 26px;
  }
  .site-footer::before{
    content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(45,107,255,.7),rgba(87,242,196,.7),transparent);
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
  .footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.9;margin-top:16px;max-width:300px;}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.04em;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{font-size:13.5px;color:var(--muted);transition:color .2s var(--ease),transform .2s var(--ease);}
  .footer-links a:hover{color:var(--accent);transform:translateX(3px);}
  .footer-contact{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:var(--muted);}
  .footer-contact b{color:var(--text);font-weight:600;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding-top:22px;border-top:1px solid var(--line-soft);
    font-size:12.5px;color:var(--dim);
  }

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .main-nav{display:none;}
    .icon-btn{display:flex;}
    .layout-sidebar{grid-template-columns:1fr;gap:30px;}
    .side-nav{
      position:static;display:flex;gap:10px;overflow-x:auto;padding:14px;
      scrollbar-width:thin;
    }
    .side-nav-title{display:none;}
    .side-link{
      flex:0 0 auto;border-left:0;border-bottom:2px solid transparent;
      padding:9px 14px;font-size:13.5px;white-space:nowrap;
    }
    .side-link.is-active{border-left-color:transparent;border-bottom-color:var(--accent);}
    .side-note{display:none;}
    .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));}
    .form-layout{grid-template-columns:1fr;gap:30px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:768px){
    .container{padding:0 18px;}
    .page-hero{padding:126px 0 56px;}
    .section{padding:60px 0;}
    .card-flow{grid-template-columns:1fr;gap:22px;}
    .flow-card:nth-child(even){transform:none;}
    .flow-card:nth-child(even):hover{transform:translateY(-3px);}
    .cta-band{padding:24px;flex-direction:column;align-items:flex-start;}
    .cta-band .btn{width:100%;}
    .lead-form{padding:22px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  }
  @media (max-width:520px){
    body.site-body{font-size:15px;}
    .logo-main{font-size:15.5px;}
    .logo-sub{font-size:10px;letter-spacing:.18em;}
    .header-inner{height:66px;gap:12px;}
    .page-hero h1{font-size:27px;}
    .page-hero .lead{font-size:14.5px;}
    .hero-actions .btn{width:100%;}
    .steps-grid{grid-template-columns:1fr;}
    .stats-band{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .faq-q{padding:16px;font-size:15px;gap:12px;}
    .faq-a p{padding:16px;}
  }

/* roulang page: category2 */
:root{
    --bg-deep:#070A14;
    --bg-base:#0B1020;
    --surface-1:#0E1526;
    --surface-2:#131C33;
    --line-soft:rgba(122,152,220,.16);
    --line-neon:rgba(87,242,196,.42);
    --primary:#2D6BFF;
    --primary-glow:rgba(45,107,255,.45);
    --accent:#57F2C4;
    --accent-2:#FF5C8A;
    --text:#EAF0FF;
    --muted:#93A3C4;
    --dim:#6B7A99;
    --radius-card:18px;
    --radius-btn:12px;
    --radius-img:14px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body.site-body{
    margin:0;
    padding:0;
    background:
      radial-gradient(900px 620px at 88% -8%,rgba(45,107,255,.16),transparent 70%),
      radial-gradient(760px 520px at 2% 18%,rgba(87,242,196,.07),transparent 72%),
      var(--bg-base);
    background-attachment:fixed;
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  ::selection{background:rgba(87,242,196,.28);color:#fff;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:#070A14;}
  ::-webkit-scrollbar-thumb{background:rgba(87,242,196,.26);border-radius:999px;border:2px solid #070A14;}
  ::-webkit-scrollbar-thumb:hover{background:rgba(87,242,196,.48);}
  a:focus-visible,button:focus-visible,.chip:focus-visible,.faq-q:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    border-radius:8px;
  }

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,10,20,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line-soft);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:22px;
    height:76px;
  }
  .logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
  .logo-mark{
    position:relative;
    width:32px;height:32px;
    border-radius:10px;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    box-shadow:0 0 18px rgba(45,107,255,.55);
    flex:0 0 auto;
  }
  .logo-mark::after{
    content:"";
    position:absolute;
    inset:8px;
    border:1.5px solid rgba(7,10,20,.78);
    border-radius:4px;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.12;}
  .logo-main{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text);}
  .logo-sub{font-size:11px;color:var(--dim);letter-spacing:.16em;}
  .main-nav{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;
    padding:9px 15px;
    font-size:14px;
    letter-spacing:.02em;
    color:var(--muted);
    border-radius:9px;
    transition:color .2s cubic-bezier(.2,.7,.3,1),background .2s cubic-bezier(.2,.7,.3,1);
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.045);}
  .nav-link.is-active{color:var(--accent);}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:15px;right:15px;bottom:2px;
    height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--accent),rgba(87,242,196,0));
    box-shadow:0 0 12px rgba(87,242,196,.7);
  }
  .header-actions{display:flex;align-items:center;gap:10px;}
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--radius-btn);
    font-weight:600;
    font-size:15px;
    padding:12px 24px;
    border:1px solid transparent;
    cursor:pointer;
    transition:all .2s cubic-bezier(.2,.7,.3,1);
    white-space:nowrap;
  }
  .btn-sm{padding:9px 17px;font-size:13.5px;}
  .btn-primary{
    background:linear-gradient(135deg,#3B7BFF,#2D6BFF);
    color:#fff;
    box-shadow:0 8px 28px var(--primary-glow);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 34px rgba(45,107,255,.6);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{background:transparent;border-color:var(--line-soft);color:var(--text);}
  .btn-ghost:hover{border-color:var(--line-neon);color:var(--accent);box-shadow:0 0 20px rgba(87,242,196,.16);}
  .btn-ghost:active{transform:translateY(1px);}
  .icon-btn{
    width:38px;height:38px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;
    border:1px solid var(--line-soft);
    color:var(--muted);
    transition:all .2s cubic-bezier(.2,.7,.3,1);
  }
  .icon-btn:hover{color:var(--accent);border-color:var(--line-neon);box-shadow:0 0 18px rgba(87,242,196,.18);}
  .nav-toggle{
    display:none;
    width:42px;height:42px;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    background:rgba(255,255,255,.03);
    border:1px solid var(--line-soft);
    border-radius:10px;
    cursor:pointer;
    transition:border-color .2s;
  }
  .nav-toggle:hover{border-color:var(--line-neon);}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--muted);border-radius:2px;transition:background .2s;}
  .nav-toggle:hover span{background:var(--accent);}

  .mobile-menu{
    position:fixed;
    top:76px;left:0;right:0;bottom:0;
    z-index:55;
    display:flex;
    flex-direction:column;
    gap:6px;
    padding:26px 24px 40px;
    background:rgba(7,10,20,.97);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-top:1px solid var(--line-soft);
    overflow-y:auto;
  }
  .mobile-menu[hidden]{display:none;}
  .mobile-menu .m-link{
    display:block;
    padding:15px 16px;
    font-size:18px;
    font-weight:600;
    color:var(--muted);
    border-left:3px solid transparent;
    border-radius:0 8px 8px 0;
    transition:all .2s cubic-bezier(.2,.7,.3,1);
  }
  .mobile-menu .m-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
  .mobile-menu .m-link.is-active{
    color:var(--accent);
    border-left-color:var(--accent);
    background:rgba(87,242,196,.06);
    box-shadow:inset 0 0 24px rgba(87,242,196,.06);
  }
  .mobile-menu .btn{margin-top:20px;width:100%;}

  /* ---------- 页头 ---------- */
  .page-hero{position:relative;overflow:hidden;padding:56px 0 60px;border-bottom:1px solid var(--line-soft);}
  .page-hero-bg{
    position:absolute;inset:0;
    background:
      linear-gradient(180deg,rgba(7,10,20,.74),rgba(11,16,32,.97)),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  }
  .page-hero::before{
    content:"";
    position:absolute;inset:0;
    background-image:
      linear-gradient(rgba(122,152,220,.07) 1px,transparent 1px),
      linear-gradient(90deg,rgba(122,152,220,.07) 1px,transparent 1px);
    background-size:58px 58px;
    -webkit-mask-image:radial-gradient(circle at 74% 12%,#000,transparent 74%);
    mask-image:radial-gradient(circle at 74% 12%,#000,transparent 74%);
    pointer-events:none;
  }
  .page-hero div.container{position:relative;z-index:2;}
  .breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim);margin-bottom:26px;}
  .breadcrumb a{color:var(--muted);transition:color .2s;}
  .breadcrumb a:hover{color:var(--accent);}
  .breadcrumb .sep{color:rgba(122,152,220,.5);}
  .breadcrumb .current{color:var(--dim);}
  .page-hero-grid{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:36px;
    flex-wrap:wrap;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.16em;
    color:var(--accent);
    border:1px solid rgba(87,242,196,.35);
    border-radius:999px;
    padding:5px 14px;
    background:rgba(87,242,196,.06);
    margin-bottom:20px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
  .page-hero h1{
    font-size:clamp(28px,4.3vw,46px);
    line-height:1.2;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--text);
    max-width:820px;
    margin-bottom:18px;
  }
  .page-hero h1 .hl{
    background:linear-gradient(100deg,#7FA8FF,#57F2C4);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .page-hero-lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:640px;}
  .hero-side{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
  .hero-side-note{font-size:13px;color:var(--dim);}

  /* ---------- 筛选 ---------- */
  .filter-bar{padding:44px 0 0;}
  .filter-row{display:flex;flex-wrap:wrap;gap:10px;}
  .chip{
    padding:9px 19px;
    font-size:13.5px;
    color:var(--muted);
    background:rgba(255,255,255,.03);
    border:1px solid var(--line-soft);
    border-radius:999px;
    cursor:pointer;
    transition:all .2s cubic-bezier(.2,.7,.3,1);
  }
  .chip:hover{color:var(--text);border-color:rgba(122,152,220,.42);transform:translateY(-1px);}
  .chip:active{transform:translateY(0);}
  .chip.is-active{
    color:var(--accent);
    border-color:var(--line-neon);
    background:rgba(87,242,196,.09);
    box-shadow:0 0 20px rgba(87,242,196,.16);
  }

  /* ---------- 卡片错位栅格 ---------- */
  .update-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:28px;
    padding-top:38px;
  }
  .update-col{display:flex;flex-direction:column;gap:28px;}
  .update-col.offset{padding-top:36px;}

  .update-card{
    display:flex;
    flex-direction:column;
    background:var(--surface-1);
    border:1px solid var(--line-soft);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:0 20px 60px rgba(3,6,18,.55),inset 0 1px 0 rgba(255,255,255,.05);
    transition:transform .2s cubic-bezier(.2,.7,.3,1),border-color .2s,box-shadow .2s;
  }
  .update-card:hover{
    transform:translateY(-3px);
    border-color:var(--line-neon);
    box-shadow:0 26px 66px rgba(3,6,18,.72),inset 0 0 24px rgba(87,242,196,.1);
  }
  .card-media{
    position:relative;
    display:block;
    aspect-ratio:16/9;
    overflow:hidden;
    border-bottom:1px solid var(--line-soft);
  }
  .card-media img{
    width:100%;height:100%;
    object-fit:cover;
    transform:scale(1.001);
    transition:transform .45s cubic-bezier(.2,.7,.3,1);
  }
  .update-card:hover .card-media img{transform:scale(1.05);}
  .card-media::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,10,20,.06),rgba(14,21,38,.58));
    box-shadow:inset 0 0 0 1px rgba(87,242,196,.18);
    pointer-events:none;
  }
  .card-badge{
    position:absolute;
    left:14px;top:14px;
    z-index:2;
    font-size:12px;
    letter-spacing:.06em;
    color:var(--accent);
    background:rgba(7,10,20,.74);
    border:1px solid rgba(87,242,196,.4);
    border-radius:999px;
    padding:4px 12px;
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
  }
  .card-body{
    display:flex;
    flex-direction:column;
    gap:10px;
    flex:1;
    padding:22px 24px 24px;
  }
  .card-body h3{font-size:19px;font-weight:700;line-height:1.42;color:var(--text);}
  .card-body p{
    font-size:14.5px;
    line-height:1.75;
    color:var(--muted);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-link{
    margin-top:auto;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13.5px;
    font-weight:600;
    color:var(--accent);
    padding-top:6px;
    align-self:flex-start;
  }
  .card-link span{display:inline-block;transition:transform .2s cubic-bezier(.2,.7,.3,1);}
  .card-link:hover span{transform:translateX(4px);}

  /* ---------- 数据条 ---------- */
  .stat-section{padding-top:72px;}
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    border:1px solid var(--line-soft);
    border-radius:var(--radius-card);
    background:var(--surface-1);
    overflow:hidden;
    box-shadow:0 20px 60px rgba(3,6,18,.45);
  }
  .stat-item{padding:26px 24px;border-right:1px solid var(--line-soft);}
  .stat-item:last-child{border-right:none;}
  .stat-value{
    font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;
    font-variant-numeric:tabular-nums;
    font-size:34px;
    font-weight:700;
    line-height:1.1;
    color:var(--accent);
    letter-spacing:-.01em;
  }
  .stat-value small{font-size:13px;font-weight:500;color:var(--dim);margin-left:5px;letter-spacing:0;}
  .stat-item p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6;}

  /* ---------- 板块通用 ---------- */
  .section{padding:92px 0 0;}
  .section-head{max-width:720px;margin-bottom:42px;}
  .section-kicker{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:12px;
    letter-spacing:.2em;
    color:var(--accent);
    margin-bottom:14px;
  }
  .section-kicker::before{content:"";width:2px;height:16px;border-radius:2px;background:var(--accent);box-shadow:0 0 12px var(--accent);}
  .section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:800;color:var(--text);margin-bottom:14px;}
  .section-head p{font-size:15px;line-height:1.85;color:var(--muted);}

  /* ---------- 流程 ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .step{
    position:relative;
    padding:28px 26px 30px;
    background:var(--surface-1);
    border:1px solid var(--line-soft);
    border-radius:var(--radius-card);
    transition:border-color .2s,transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s;
  }
  .step:hover{border-color:var(--line-neon);transform:translateY(-3px);box-shadow:0 0 24px rgba(87,242,196,.12);}
  .step-no{
    font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;
    font-size:13px;
    letter-spacing:.16em;
    color:var(--accent);
  }
  .step h3{font-size:18px;font-weight:700;margin:10px 0 10px;color:var(--text);}
  .step p{font-size:14.5px;line-height:1.78;color:var(--muted);}

  /* ---------- CTA 条 ---------- */
  .cta-wrap{padding-top:88px;}
  .cta-bar{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:30px;
    flex-wrap:wrap;
    padding:34px 38px;
    background:var(--surface-2);
    border:1px solid var(--line-soft);
    border-radius:var(--radius-card);
    overflow:hidden;
  }
  .cta-bar::before{
    content:"";
    position:absolute;
    left:0;top:0;bottom:0;
    width:3px;
    background:linear-gradient(180deg,var(--primary),var(--accent));
    box-shadow:0 0 18px var(--accent);
  }
  .cta-bar h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:8px;line-height:1.35;}
  .cta-bar p{font-size:14.5px;color:var(--muted);line-height:1.8;max-width:620px;}

  /* ---------- FAQ ---------- */
  .faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--surface-1);
    border:1px solid var(--line-soft);
    border-radius:14px;
    overflow:hidden;
    transition:border-color .2s,box-shadow .2s;
  }
  .faq-item.is-open{border-color:var(--line-neon);box-shadow:0 0 20px rgba(87,242,196,.14);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    gap:16px;
    padding:20px 22px;
    background:transparent;
    border:none;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    cursor:pointer;
    transition:color .2s;
  }
  .faq-q:hover{color:var(--accent);}
  .faq-no{
    font-family:"DIN Alternate","Barlow","JetBrains Mono",ui-monospace,monospace;
    font-size:13px;
    color:var(--accent);
    letter-spacing:.06em;
    flex:0 0 auto;
  }
  .faq-icon{position:relative;width:22px;height:22px;margin-left:auto;flex:0 0 auto;}
  .faq-icon::before,.faq-icon::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--muted);
    border-radius:2px;
    transition:transform .2s cubic-bezier(.2,.7,.3,1),opacity .2s,background .2s;
  }
  .faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%);}
  .faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%);}
  .faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-item.is-open .faq-icon::before{background:var(--accent);}
  .faq-a{
    display:none;
    margin:0 22px 22px 62px;
    padding-top:16px;
    border-top:1px solid var(--line-soft);
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }
  .faq-item.is-open .faq-a{display:block;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    margin-top:96px;
    padding-top:72px;
    background:var(--bg-deep);
  }
  .site-footer::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,rgba(45,107,255,0),rgba(87,242,196,.8),rgba(45,107,255,0));
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:40px;
  }
  .footer-brand p{margin-top:18px;font-size:13.5px;line-height:1.85;color:var(--dim);max-width:310px;}
  .footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--text);margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:13.5px;color:var(--muted);transition:color .2s,transform .2s;}
  .footer-links a:hover{color:var(--accent);transform:translateX(2px);}
  .footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--muted);}
  .footer-contact b{color:var(--text);font-weight:600;}
  .footer-bottom{
    margin-top:56px;
    padding:22px 0 28px;
    border-top:1px solid var(--line-soft);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:12.5px;
    color:var(--dim);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .main-nav,.header-actions{display:none;}
    .nav-toggle{display:flex;}
    .page-hero{padding:44px 0 48px;}
    .section{padding-top:72px;}
    .stat-grid{grid-template-columns:repeat(2,1fr);}
    .stat-item:nth-child(2){border-right:none;}
    .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line-soft);}
    .steps{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
    .cta-wrap{padding-top:72px;}
  }
  @media (max-width:860px){
    .update-grid{grid-template-columns:1fr;gap:24px;}
    .update-col.offset{padding-top:0;}
    .update-col{gap:24px;}
  }
  @media (min-width:1024px){
    .mobile-menu{display:none !important;}
  }
  @media (max-width:640px){
    div.container{padding-left:16px;padding-right:16px;}
    .header-inner{height:66px;gap:12px;}
    .logo-main{font-size:15px;}
    .logo-sub{font-size:10px;}
    .logo-mark{width:28px;height:28px;border-radius:9px;}
    .mobile-menu{top:66px;padding:20px 16px 36px;}
    .page-hero h1{font-size:28px;line-height:1.28;}
    .page-hero-lead{font-size:15px;}
    .stat-grid{grid-template-columns:1fr;}
    .stat-item{border-right:none;border-bottom:1px solid var(--line-soft);}
    .stat-item:last-child{border-bottom:none;}
    .steps{grid-template-columns:1fr;}
    .card-body{padding:18px 18px 20px;}
    .card-body h3{font-size:17.5px;}
    .update-card:hover{transform:none;}
    .cta-bar{padding:26px 22px;}
    .cta-bar h2{font-size:19px;}
    .faq-q{font-size:15px;padding:17px 16px;gap:12px;}
    .faq-a{margin:0 16px 18px 16px;padding-top:14px;font-size:14.5px;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .site-footer{margin-top:72px;padding-top:56px;}
    .footer-bottom{margin-top:40px;font-size:12px;}
    .section{padding-top:56px;}
  }