/* roulang page: index */
:root{
  --brand-700:#1448B4;
  --brand-600:#1B5FE0;
  --brand-100:#E7EEFC;
  --brand-050:#F2F6FE;
  --neon-500:#16E0C8;
  --neon-glow:rgba(22,224,200,.35);
  --ink-900:#0A1024;
  --ink-800:#0E1730;
  --text-900:#12203A;
  --text-600:#5A6B85;
  --text-400:#8A99B0;
  --line:#E5EAF3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --warn:#FFB324;
  --ok:#12B886;
  --err:#E5484D;
  --radius-card:16px;
  --radius-media:20px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-badge:6px;
  --s1:0 1px 2px rgba(10,16,36,.04),0 4px 12px rgba(10,16,36,.05);
  --s2:0 8px 24px rgba(10,16,36,.08);
  --s3:0 16px 40px rgba(10,16,36,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1B5FE0;
  --bs-link-color:#1B5FE0;
  --bs-link-hover-color:#1448B4;
  --bs-body-color:#12203A;
  --bs-body-bg:#F7F9FC;
  --bs-border-color:#E5EAF3;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-700)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-900);letter-spacing:-.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon-500);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
.nums{font-variant-numeric:tabular-nums}

/* ============ 通用按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;transition:all .18s var(--ease);
  min-height:44px;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--surface);color:var(--text-900);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px)}
.btn-neon{background:var(--neon-500);color:var(--ink-900)}
.btn-neon:hover{background:#3af0d9;color:var(--ink-900);box-shadow:0 0 0 1px rgba(22,224,200,.5),0 0 18px var(--neon-glow)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.text-link i{transition:transform .18s var(--ease)}
.text-link:hover i{transform:translateX(4px)}
.badge-soft{display:inline-flex;align-items:center;gap:6px;background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:500;padding:5px 12px;border-radius:var(--radius-badge);line-height:1.3}
.badge-neon{display:inline-flex;align-items:center;background:rgba(22,224,200,.12);color:#0a8a7b;
  border:1px solid rgba(22,224,200,.5);font-size:12px;font-weight:500;padding:5px 12px;border-radius:var(--radius-badge)}
.badge-gray{display:inline-flex;align-items:center;background:#EEF1F6;color:var(--text-600);
  font-size:12px;font-weight:500;padding:5px 12px;border-radius:var(--radius-badge)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--ink-900);
  transition:height .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,transparent 100%);
}
.site-header.is-scrolled{background:rgba(10,16,36,.92);backdrop-filter:blur(10px);box-shadow:var(--s3)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s var(--ease)}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(22,224,200,.14),rgba(27,95,224,.2));
  border:1px solid rgba(22,224,200,.55);border-radius:12px;
  font-weight:800;font-size:17px;letter-spacing:.5px;color:var(--neon-500);
  clip-path:polygon(0 0,100% 0,100% 72%,74% 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:#E8EEF7;letter-spacing:.3px}
.brand-sub{font-size:11px;color:#7d8ca6;letter-spacing:1px}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 16px;
  font-size:15px;color:#A9B6CC;transition:color .18s var(--ease),height .2s var(--ease);
}
.site-header.is-scrolled .nav-menu a{height:64px}
.nav-menu a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:16px;height:3px;border-radius:2px;
  background:var(--neon-500);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-menu a:hover{color:#E8EEF7}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--neon-500);text-shadow:0 0 10px var(--neon-glow)}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--neon-500);box-shadow:0 0 10px var(--neon-glow);
}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-phone{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#A9B6CC}
.nav-phone i{color:var(--neon-500)}
.nav-toggle{
  display:none;width:44px;height:44px;background:transparent;border:none;cursor:pointer;
  padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--neon-500);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:fixed;inset:72px 0 0 0;background:var(--ink-900);z-index:1029;
  display:none;flex-direction:column;padding:16px 0 0;overflow-y:auto;
}
.nav-drawer.is-open{display:flex}
.nav-drawer a{
  display:flex;align-items:center;height:56px;padding:0 24px;font-size:16px;color:#A9B6CC;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-drawer a.active{color:var(--neon-500);box-shadow:inset 3px 0 0 var(--neon-500);text-shadow:0 0 10px var(--neon-glow)}
.nav-drawer .drawer-cta{margin:16px 24px 32px}
body.drawer-lock{overflow:hidden}

/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 96px;background:var(--bg);overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-180px;right:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,var(--brand-050) 0%,rgba(242,246,254,0) 68%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-badge{margin-bottom:20px}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.18;font-weight:700;letter-spacing:-.5px;margin-bottom:20px;
}
.hero-lead{font-size:17px;line-height:1.8;color:var(--text-600);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:24px;padding-top:24px;border-top:1px solid var(--line)}
.hero-point{display:flex;align-items:center;gap:10px}
.hero-point i{color:var(--brand-600);font-size:18px}
.hero-point strong{display:block;font-size:14px;font-weight:600}
.hero-point span{display:block;font-size:12px;color:var(--text-400)}
.hero-note{margin-top:20px;font-size:12.5px;color:var(--text-400);letter-spacing:.2px}
.hero-media{position:relative}
.hero-media__img{
  border-radius:var(--radius-media);overflow:hidden;box-shadow:var(--s2);aspect-ratio:4/3;background:var(--brand-050);
}
.hero-media__img img{width:100%;height:100%;object-fit:cover}
.hero-chip{
  position:absolute;top:16px;left:16px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:600;padding:7px 14px;border-radius:10px;box-shadow:var(--s1);
}
.hero-float{
  position:absolute;right:-12px;bottom:-18px;background:var(--surface);border-radius:14px;
  box-shadow:var(--s3);padding:18px 20px;min-width:220px;
}
.hero-float__num{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1;color:var(--brand-600)}
.hero-float__num small{font-size:14px;color:var(--text-600);font-weight:500;margin-left:2px}
.hero-float__label{font-size:13px;color:var(--text-600);margin-top:4px}
.hero-float__bar{height:6px;border-radius:999px;background:var(--brand-050);margin-top:12px;overflow:hidden}
.hero-float__bar i{display:block;height:100%;width:78%;border-radius:999px;background:linear-gradient(90deg,var(--brand-600),var(--neon-500))}

/* ============ 通用区块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:10px}
.section-head p{font-size:14px;color:var(--text-600);max-width:44em;margin:0}
.section-head h2::before{
  content:"";display:inline-block;width:22px;height:4px;border-radius:2px;background:var(--brand-700);
  margin-right:12px;vertical-align:middle;
}

/* ============ 指标看板 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--s1);display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.metric i{font-size:20px;color:var(--brand-600);margin-bottom:16px}
.metric__num{font-size:clamp(32px,3.4vw,44px);font-weight:700;line-height:1.05;font-variant-numeric:tabular-nums}
.metric__num small{font-size:14px;font-weight:500;color:var(--text-600);margin-left:4px}
.metric__label{font-size:14px;color:var(--text-600);margin-top:8px}
.metric__bar{height:4px;border-radius:999px;background:var(--brand-050);margin-top:16px;overflow:hidden}
.metric__bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-600),var(--neon-500));margin:0}

/* ============ 服务矩阵 ============ */
.matrix{display:grid;grid-template-columns:3.5fr 8.5fr;gap:40px;align-items:start}
.matrix-side{position:sticky;top:96px}
.matrix-side h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px}
.matrix-side p{font-size:14px;color:var(--text-600);margin-bottom:24px}
.matrix-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.matrix-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;
  box-shadow:var(--s1);display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.matrix-card:hover{transform:translateY(-2px);box-shadow:var(--s3)}
.matrix-card--wide{grid-column:span 2;flex-direction:row;gap:28px;align-items:center}
.matrix-card--wide .mc-body{flex:1 1 55%}
.matrix-card--wide .mc-media{flex:1 1 45%;aspect-ratio:16/10;border-radius:14px;overflow:hidden;background:var(--brand-050)}
.matrix-card--wide .mc-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.matrix-card--wide:hover .mc-media img{transform:scale(1.03)}
.matrix-card--accent{background:var(--brand-100);border-color:rgba(27,95,224,.35);box-shadow:none}
.mc-index{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;color:#0a8a7b;letter-spacing:1px;margin-bottom:10px}
.matrix-card h3{font-size:19px;line-height:1.4;margin-bottom:10px}
.matrix-card p{font-size:14.5px;color:var(--text-600);margin-bottom:16px}
.mc-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.mc-list li{position:relative;padding-left:16px;font-size:14px;color:var(--text-600)}
.mc-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:1.5px;background:var(--brand-600)}
.matrix-card .text-link{margin-top:auto}

/* ============ 结果对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;position:relative}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--s1)}
.compare-card--neon{background:var(--brand-050);border-color:rgba(22,224,200,.5);box-shadow:0 0 0 1px rgba(22,224,200,.28),0 0 18px var(--neon-glow)}
.compare-card h3{font-size:19px;margin:14px 0 16px}
.compare-card ul{display:flex;flex-direction:column;gap:12px}
.compare-card li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-600)}
.compare-card li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;background:#C4CCDA}
.compare-card--neon li::before{background:var(--neon-500);box-shadow:0 0 8px var(--neon-glow)}
.compare-card--neon li strong{color:var(--text-900)}
.compare-axis{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;background:var(--surface);box-shadow:var(--s2);
  display:grid;place-items:center;color:var(--brand-600);font-size:16px;border:1px solid var(--line);
}
.compare-bars{margin-top:40px;display:flex;flex-direction:column;gap:18px}
.cbar{display:grid;grid-template-columns:130px 1fr 60px;align-items:center;gap:16px}
.cbar__label{font-size:14px;color:var(--text-600)}
.cbar__track{height:10px;border-radius:999px;background:#EDF0F6;overflow:hidden;display:flex}
.cbar__base{height:100%;background:#C4CCDA}
.cbar__ours{height:100%;background:linear-gradient(90deg,var(--brand-600),var(--neon-500))}
.cbar__val{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;text-align:right;color:var(--text-900)}

/* ============ 最新信息 ============ */
.news-layout{display:grid;grid-template-columns:8.5fr 3.5fr;gap:40px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--s1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--s3)}
.news-card__hit{position:absolute;inset:0;z-index:1;border-radius:var(--radius-card)}
.news-card--feature{display:grid;grid-template-columns:16fr 14fr;gap:24px;padding:24px}
.news-card__cover{border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--brand-050)}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-card__cover img{transform:scale(1.03)}
.news-card__body{display:flex;flex-direction:column;gap:10px;min-width:0}
.news-card h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover h3{color:var(--brand-600)}
.news-card__excerpt{font-size:14px;color:var(--text-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-400);margin-top:auto}
.news-card__meta i{margin-right:4px}
.news-card__arrow{margin-left:auto;color:var(--brand-600);transition:transform .18s var(--ease)}
.news-card:hover .news-card__arrow{transform:translateX(4px)}
.news-row{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center}
.news-row .news-card__cover{aspect-ratio:10/7;border-radius:12px}
.news-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--s1)}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--text-600);padding:10px 0;border-bottom:1px solid var(--line)}
.side-links a:last-child{border-bottom:none}
.side-links a:hover{color:var(--brand-600)}
.news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);padding:40px 24px;text-align:center;
}
.news-empty i{font-size:48px;color:var(--brand-100)}
.news-empty p{font-size:14px;color:var(--text-400);margin:0}
.news-empty__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ============ 流程时间轴 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.timeline::before{
  content:"";position:absolute;top:18px;left:6%;right:6%;height:1px;background:var(--line);
}
.timeline::after{
  content:"";position:absolute;top:18px;left:6%;width:32%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-600),var(--neon-500));
}
.tl-step{position:relative;padding-top:56px}
.tl-num{
  position:absolute;top:0;left:0;width:36px;height:36px;border-radius:50%;background:var(--surface);
  border:1px solid rgba(27,95,224,.45);display:grid;place-items:center;color:var(--brand-600);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.tl-step--done .tl-num{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.tl-step h3{font-size:17px;margin-bottom:8px}
.tl-step p{font-size:14px;color:var(--text-600);margin:0}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:rgba(22,224,200,.6);box-shadow:inset 3px 0 0 var(--neon-500)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:transparent;border:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-900);
}
.faq-item.is-open .faq-q{color:var(--brand-600)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .22s var(--ease)}
.faq-icon::before{top:9px;left:2px;width:16px;height:2px}
.faq-icon::after{top:2px;left:9px;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg) scaleX(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a__inner{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--text-600)}
.faq-side{background:var(--brand-050);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px}
.faq-side h3{font-size:18px;margin-bottom:10px}
.faq-side p{font-size:14.5px;color:var(--text-600);margin-bottom:20px}
.faq-side .side-meta{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;font-size:14px;color:var(--text-600)}
.faq-side .side-meta i{color:var(--brand-600);width:18px}

/* ============ CTA 条 ============ */
.cta-band{
  margin:0 auto;background:var(--brand-600);border-radius:var(--radius-media);padding:32px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff;box-shadow:var(--s2);
}
.cta-band h2{color:#fff;font-size:22px;margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.82);font-size:14px;margin:0}

/* ============ 转化表单 ============ */
.contact-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch}
.contact-aside{
  background:var(--ink-800);border-radius:var(--radius-media);padding:40px;color:#fff;
  display:flex;flex-direction:column;box-shadow:var(--s2);
}
.contact-aside h2{color:#fff;font-size:22px;margin-bottom:24px}
.contact-point{display:flex;gap:14px;margin-bottom:20px}
.contact-point__icon{
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;border:1px solid rgba(22,224,200,.6);
  display:grid;place-items:center;color:var(--neon-500);font-size:13px;
}
.contact-point strong{display:block;font-size:15px;font-weight:600;color:#E8EEF7}
.contact-point span{display:block;font-size:13px;color:#A9B6CC;margin-top:2px}
.contact-divider{height:1px;background:rgba(22,224,200,.35);margin:8px 0 24px}
.contact-info{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#A9B6CC}
.contact-info i{color:var(--neon-500);width:18px}
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:36px;box-shadow:var(--s1)}
.contact-form h2{font-size:22px;margin-bottom:8px}
.contact-form > p{font-size:14px;color:var(--text-600);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field--full{grid-column:span 2}
.form-field label{font-size:13px;color:var(--text-600)}
.form-field label .req{color:var(--brand-600);margin-left:2px}
.form-control,.form-select{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);padding:12px 14px;
  font-size:15px;color:var(--text-900);background:var(--surface);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 2px rgba(27,95,224,.18);
}
textarea.form-control{min-height:130px;resize:vertical}
.form-note{font-size:12px;color:var(--text-400);margin-top:14px}
.form-submit{display:flex;justify-content:flex-end;margin-top:24px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#A9B6CC;position:relative;padding:72px 0 0;margin-top:0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,transparent 100%);
}
.footer-grid{display:grid;grid-template-columns:4fr 2.6fr 2.6fr 3fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(22,224,200,.1);border-color:rgba(22,224,200,.5);color:var(--neon-500)}
.footer-brand .brand-name{color:#E8EEF7}
.footer-brand .brand-sub{color:#7d8ca6}
.footer-desc{font-size:14px;line-height:1.8;color:#A9B6CC;max-width:32em}
.footer-col h3{font-size:15px;color:#E8EEF7;margin-bottom:18px;padding-left:12px;position:relative}
.footer-col h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--neon-500)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-contact a{font-size:14px;color:#A9B6CC;display:inline-flex;align-items:center;gap:8px;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover,.footer-contact a:hover{color:var(--neon-500);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-contact i{color:var(--neon-500);width:18px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;color:#A9B6CC;
}
.footer-social a:hover{color:var(--neon-500);border-color:rgba(22,224,200,.5);transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:12.5px;color:#7d8ca6;
}
.footer-bottom a{color:#A9B6CC}
.footer-bottom a:hover{color:var(--neon-500)}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--surface);
  border:1px solid rgba(22,224,200,.6);color:var(--brand-600);display:grid;place-items:center;cursor:pointer;
  box-shadow:0 0 0 1px rgba(22,224,200,.3),0 0 18px var(--neon-glow);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease),transform .18s var(--ease);z-index:1030;
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px)}

/* ============ 动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .2s var(--ease),transform .2s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .nav-drawer{display:none !important}
}
@media (max-width:1199.98px){
  .metrics{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:1fr;gap:32px}
  .matrix-side{position:static}
  .news-layout{grid-template-columns:1fr;gap:32px}
}
@media (max-width:991.98px){
  .nav-menu,.nav-phone{display:none}
  .nav-toggle{display:block}
  .nav-right .btn-neon{display:none}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{max-width:560px}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto;display:flex;align-items:center;gap:16px;min-width:0;width:100%}
  .hero-float__bar{flex:1;margin-top:0}
  .hero-chip{top:12px;left:12px}
  .section{padding:72px 0}
  .compare{grid-template-columns:1fr;gap:16px}
  .compare-axis{position:static;transform:rotate(90deg);margin:0 auto}
  .timeline{grid-template-columns:1fr 1fr;gap:32px 24px}
  .timeline::before,.timeline::after{display:none}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .contact-layout{grid-template-columns:1fr}
  .contact-form{padding:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .news-card--feature{grid-template-columns:1fr;gap:18px}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .hero h1{font-size:32px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .metrics{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .matrix-card--wide{grid-column:span 1;flex-direction:column;align-items:stretch}
  .matrix-card--wide .mc-media{aspect-ratio:16/9}
  .timeline{grid-template-columns:1fr;gap:24px}
  .tl-step{padding-top:0;padding-left:52px}
  .tl-num{top:0;left:0}
  .cbar{grid-template-columns:88px 1fr 48px;gap:10px}
  .news-row{grid-template-columns:1fr;gap:14px}
  .news-row .news-card__cover{aspect-ratio:16/9}
  .form-grid{grid-template-columns:1fr}
  .form-field--full{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .to-top{width:40px;height:40px;right:16px;bottom:16px}
  .contact-aside{padding:28px}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%}
  .form-submit .btn{width:100%}
  .hero-points{gap:16px}
  .cta-band .btn{width:100%}
  .btn{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand-700:#1448B4;
  --brand-600:#1B5FE0;
  --brand-100:#E7EEFC;
  --brand-050:#F2F6FE;
  --neon-500:#16E0C8;
  --neon-glow:rgba(22,224,200,.35);
  --ink-900:#0A1024;
  --ink-800:#0E1730;
  --text-900:#12203A;
  --text-600:#5A6B85;
  --text-400:#8A99B0;
  --line:#E5EAF3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --warn:#FFB324;
  --ok:#12B886;
  --err:#E5484D;
  --dark-title:#E8EEF7;
  --dark-text:#A9B6CC;
  --dark-line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-media:20px;
  --r-btn:10px;
  --s1:0 1px 2px rgba(10,16,36,.04),0 4px 12px rgba(10,16,36,.05);
  --s2:0 8px 24px rgba(10,16,36,.08);
  --s3:0 16px 40px rgba(10,16,36,.12);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:var(--brand-600);
  --bs-primary-rgb:27,95,224;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text-900);
  --bs-link-color:var(--brand-600);
  --bs-link-hover-color:var(--brand-700);
  --bs-border-color:var(--line);
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}
*{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","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  overflow-wrap:break-word;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
a:hover{color:var(--brand-700)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-900);letter-spacing:-.2px}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--neon-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink-900);
  border-bottom:2px solid transparent;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,transparent 100%);
}
.site-header.is-scrolled{background:rgba(10,16,36,.92);backdrop-filter:blur(10px);box-shadow:0 16px 40px rgba(10,16,36,.12)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.site-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:rgba(22,224,200,.08);border:1px solid rgba(22,224,200,.5);
  color:var(--neon-500);font-weight:700;font-size:15px;letter-spacing:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--dark-title);letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--text-400);letter-spacing:1.5px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;color:var(--dark-text);
  border-radius:8px;white-space:nowrap;
}
.nav-menu a:hover{color:var(--dark-title)}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--neon-500),rgba(22,224,200,0));
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--neon-500)}
.nav-menu a.active::after{transform:scaleX(1);background:var(--neon-500)}
.nav-menu a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--neon-500);
  box-shadow:0 0 10px var(--neon-glow);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.header-tel{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--dark-text);white-space:nowrap}
.header-tel i{color:var(--neon-500)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.14);
  background:transparent;border-radius:10px;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--neon-500);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;font-size:15px;font-weight:600;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:all .18s var(--ease);
}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text-900)}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-2px)}
.btn-neon{background:var(--neon-500);color:var(--ink-900)}
.btn-neon:hover{background:#25efd6;color:var(--ink-900);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,200,.5),0 0 18px var(--neon-glow)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:28px 0 0;font-size:14px;color:var(--text-400);
}
.crumb a{color:var(--text-600)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--text-400)}
.crumb .now{color:var(--text-600);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;padding:5px 12px;
  font-size:12px;font-weight:500;border-radius:6px;
  background:var(--brand-100);color:var(--brand-600);
}
.article-head{padding:20px 0 24px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:clamp(26px,3vw,38px);line-height:1.3;font-weight:700;
  margin:14px 0 16px;letter-spacing:-.4px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--text-400)}
.article-meta .dot{color:var(--line)}
.article-cover{margin:28px 0 0}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-media);box-shadow:var(--s2)}
.article-cover figcaption{margin-top:10px;font-size:13px;color:var(--text-400);text-align:center}

/* ---------- 主体布局 ---------- */
.article-section{padding:8px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,3fr);
  gap:48px;padding:36px 0 96px;
}
.article-col{min-width:0}
.article-body{
  font-size:17px;line-height:1.9;color:var(--text-900);
  max-width:800px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:36px 40px;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:700;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;
  background:var(--brand-600);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body p{margin:0 0 1em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--brand-600);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:6px;background:var(--brand-050);
  color:var(--brand-700);font-size:12px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700);font-weight:600}
.article-body strong{font-weight:700;color:var(--text-900)}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;font-size:16px;color:var(--text-600);
  background:var(--brand-050);border-left:4px solid var(--brand-600);border-radius:12px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-400);text-align:center}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  margin:24px 0;font-size:15px;
}
.article-body thead th{
  background:var(--brand-050);color:var(--brand-700);
  font-weight:600;text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);
}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text-600)}
.article-body tbody tr:nth-child(even){background:var(--brand-050)}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body pre{
  background:var(--ink-900);color:#D9E2F1;border-radius:12px;
  padding:16px 18px;font-size:13px;line-height:1.7;
  overflow-x:auto;margin:24px 0;
  font-family:"JetBrains Mono",Consolas,Menlo,Monaco,monospace;
}
.article-body code{
  font-family:"JetBrains Mono",Consolas,Menlo,Monaco,monospace;
  font-size:13px;background:var(--brand-050);color:var(--brand-700);
  padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.article-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  min-height:320px;padding:48px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);
}
.article-empty i{font-size:48px;color:var(--brand-100)}
.article-empty p{font-size:14px;color:var(--text-400);margin:0}

/* ---------- 侧栏 ---------- */
.article-aside{
  align-self:start;position:sticky;top:96px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);padding:20px;
}
.side-card h2{
  position:relative;font-size:16px;font-weight:600;
  padding-left:12px;margin-bottom:14px;
}
.side-card h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;background:var(--neon-500);border-radius:2px;
}
.toc-list a{
  display:block;font-size:14px;line-height:1.5;color:var(--text-600);
  padding:7px 0 7px 12px;border-left:3px solid transparent;
}
.toc-list a:hover{color:var(--brand-600);border-left-color:var(--brand-100)}
.toc-list a.is-active{color:var(--brand-600);border-left-color:var(--neon-500);font-weight:600}
.toc-list a.toc-l3{padding-left:26px;font-size:13px;color:var(--text-400)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-600);padding:10px 0;
  border-bottom:1px solid var(--line);
}
.side-links li:last-child a{border-bottom:none}
.side-links a:hover{color:var(--brand-600)}
.side-links a i{font-size:12px;color:var(--text-400)}
.rank-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.rank-list li:last-child{border-bottom:none}
.rank-list .rank{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--brand-100);
  font-variant-numeric:tabular-nums;line-height:1.6;
}
.rank-list li:nth-child(-n+3) .rank{color:var(--brand-600)}
.rank-list a{
  font-size:14px;color:var(--text-600);line-height:1.6;
  display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.rank-list a:hover{color:var(--brand-600)}
.side-cta{background:var(--brand-050);border-color:rgba(27,95,224,.18)}
.side-cta h2{margin-bottom:8px}
.side-cta p{font-size:13px;color:var(--text-600);margin-bottom:14px}

/* ---------- 文末区 ---------- */
.article-footer{max-width:800px;margin-top:36px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-row a{
  display:inline-flex;align-items:center;padding:6px 14px;font-size:13px;
  border-radius:6px;background:var(--brand-100);color:var(--brand-600);
}
.tag-row a:hover{background:var(--brand-600);color:#fff}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}
.pn-card{
  display:flex;align-items:center;gap:12px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);
  padding:18px 20px;min-height:76px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--s3);border-color:var(--brand-100)}
.pn-card .pn-label{font-size:12px;color:var(--text-400);display:block;margin-bottom:2px}
.pn-card .pn-title{
  font-size:15px;font-weight:600;color:var(--text-900);
  display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.pn-card:hover .pn-title{color:var(--brand-600)}
.pn-card i{color:var(--brand-600)}
.pn-card.next{justify-content:flex-end;text-align:right}

.related h2{font-size:20px;font-weight:700;margin-bottom:18px;padding-left:14px;position:relative}
.related h2::before{
  content:"";position:absolute;left:0;top:.25em;width:4px;height:1em;
  background:var(--brand-600);border-radius:2px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;height:100%;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--s3)}
.rel-card .rel-cover{aspect-ratio:16/9;overflow:hidden;background:var(--brand-050)}
.rel-card .rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-card .rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-card h3{font-size:16px;font-weight:600;line-height:1.5}
.rel-card:hover h3{color:var(--brand-600)}
.rel-card p{font-size:13px;color:var(--text-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{font-size:12px;color:var(--text-400);margin-top:auto}
.back-row{display:flex;justify-content:center;margin-top:36px}

.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid rgba(22,224,200,.5);
  color:var(--brand-600);z-index:50;cursor:pointer;
  box-shadow:0 0 18px var(--neon-glow);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease),transform .2s var(--ease);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px);color:var(--brand-700)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--ink-900);color:var(--dark-text);padding:72px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,transparent 100%);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px 32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.9);border-color:rgba(22,224,200,.6);color:var(--ink-900);
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:var(--text-400)}
.footer-desc{font-size:14px;line-height:1.8;color:var(--dark-text);margin:0;max-width:340px}
.footer-col h3{
  position:relative;font-size:15px;font-weight:600;color:var(--dark-title);
  padding-left:12px;margin-bottom:16px;
}
.footer-col h3::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;background:var(--neon-500);border-radius:2px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--dark-text);display:inline-block;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col ul a:hover{color:var(--neon-500);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--dark-text)}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--neon-500);width:16px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:inline-flex;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--dark-line);color:var(--dark-text);
}
.footer-social a:hover{color:var(--neon-500);border-color:rgba(22,224,200,.5)}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--dark-line);
  display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:var(--text-400);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991.98px){
  .site-header.is-scrolled .header-inner,.header-inner{height:64px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink-900);padding:16px 20px 96px;
    transform:translateX(102%);transition:transform .22s var(--ease);
    overflow-y:auto;margin-left:0;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{
    height:56px;padding:0 16px;font-size:16px;border-radius:10px;
    border-left:3px solid transparent;color:var(--dark-text);
  }
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--neon-500);border-left-color:var(--neon-500);background:rgba(22,224,200,.06)}
  .nav-menu a.active::before{display:none}
  .header-tel{display:none}
  .article-layout{grid-template-columns:1fr;padding:28px 0 72px}
  .article-aside{position:static;top:auto}
  .article-body{max-width:none;padding:28px 24px}
  .article-footer{max-width:none}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .article-head h1{font-size:26px}
  .article-body{font-size:16px;padding:24px 20px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .prev-next{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-desc{max-width:none}
  .to-top{width:40px;height:40px;right:16px;bottom:16px}
  .crumb .now{max-width:180px}
}
@media (max-width:575.98px){
  .btn{width:100%}
  .header-actions .btn{width:auto;padding:10px 14px;min-height:40px;font-size:14px}
  .article-cover img{aspect-ratio:4/3}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand-700:#1448B4;
  --brand-600:#1B5FE0;
  --brand-100:#E7EEFC;
  --brand-050:#F2F6FE;
  --neon-500:#16E0C8;
  --neon-glow:rgba(22,224,200,.35);
  --ink-900:#0A1024;
  --ink-800:#0E1730;
  --text-900:#12203A;
  --text-600:#5A6B85;
  --text-400:#8A99B0;
  --line:#E5EAF3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --warn:#FFB324;
  --ok:#12B886;
  --err:#E5484D;
  --s1:0 1px 2px rgba(10,16,36,.04),0 4px 12px rgba(10,16,36,.05);
  --s2:0 8px 24px rgba(10,16,36,.08);
  --s3:0 16px 40px rgba(10,16,36,.12);
  --r-card:16px;
  --r-media:20px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;letter-spacing:-.3px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon-500);outline-offset:2px;border-radius:4px;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--ink-900);
  height:72px;
  transition:height .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,rgba(22,224,200,0) 100%);
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(10,16,36,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 16px 40px rgba(10,16,36,.28);
}
.header-inner{height:100%;display:flex;align-items:center;gap:32px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(22,224,200,.75);
  border-radius:10px;
  color:var(--neon-500);
  font-size:17px;font-weight:700;letter-spacing:.5px;
  background:linear-gradient(140deg,rgba(22,224,200,.16),rgba(22,224,200,0) 70%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{color:#E8EEF7;font-size:17px;font-weight:700;}
.brand-sub{color:#6C7B93;font-size:11px;letter-spacing:1.6px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  position:relative;
  display:block;
  padding:10px 14px;
  color:#A9B6CC;
  font-size:15px;
  border-radius:8px;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-menu a:hover{color:#E8EEF7;background:rgba(255,255,255,.05);}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--neon-500),rgba(22,224,200,0));
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--neon-500);}
.nav-menu a.active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--neon-500);
  box-shadow:0 0 10px var(--neon-glow);
}
.nav-menu a.active::after{transform:scaleX(1);background:var(--neon-500);box-shadow:0 0 12px var(--neon-glow);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.header-tel{display:flex;align-items:center;gap:8px;color:#A9B6CC;font-size:14px;}
.header-tel i{color:var(--neon-500);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{background:var(--surface);color:var(--text-900);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);}
.btn-neon{background:var(--neon-500);color:var(--ink-900);}
.btn-neon:hover{background:#3CEBD6;color:var(--ink-900);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,200,.5),0 0 18px var(--neon-glow);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid rgba(22,224,200,.45);
  color:var(--neon-500);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:999;
  background:var(--ink-900);
  padding:16px 20px 24px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a.m-link{
  display:flex;align-items:center;height:56px;
  color:#A9B6CC;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);
  padding-left:12px;position:relative;
}
.mobile-drawer a.m-link.active{color:var(--neon-500);}
.mobile-drawer a.m-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:24px;border-radius:2px;background:var(--neon-500);
  box-shadow:0 0 12px var(--neon-glow);
}
.mobile-drawer .btn{margin-top:20px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-400);}
.crumb a{color:var(--text-600);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:var(--text-400);}
.crumb .current{color:var(--text-600);}

/* ============ 页面头 ============ */
.page-hero{padding:28px 0 72px;position:relative;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,246,254,.95),rgba(242,246,254,0) 70%);
  pointer-events:none;
}
.page-hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:500;padding:6px 12px;border-radius:6px;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.24;margin-bottom:20px;
}
.page-hero h1 .accent{
  display:block;font-size:15px;font-weight:600;color:var(--brand-600);letter-spacing:2px;margin-bottom:10px;
}
.hero-lead{font-size:16.5px;color:var(--text-600);max-width:660px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0;}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:14px;color:var(--text-600);box-shadow:var(--s1);
}
.hero-points i{color:var(--brand-600);font-size:13px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-400);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-media);box-shadow:var(--s2);
}
.hero-tag{
  position:absolute;left:16px;top:16px;
  background:var(--brand-050);color:var(--brand-700);
  font-size:13px;font-weight:500;padding:8px 14px;border-radius:8px;border:1px solid rgba(27,95,224,.18);
}
.hero-float{
  position:absolute;right:-14px;bottom:-18px;
  background:var(--surface);border-radius:14px;box-shadow:var(--s3);
  padding:16px 20px;min-width:210px;border:1px solid var(--line);
}
.hero-float .val{font-size:30px;font-weight:700;color:var(--text-900);line-height:1.1;}
.hero-float .val span{font-size:14px;color:var(--text-600);font-weight:500;margin-left:4px;}
.hero-float .lbl{font-size:13px;color:var(--text-600);margin-top:6px;}
.hero-float .bar{height:6px;border-radius:999px;background:var(--brand-050);margin-top:12px;overflow:hidden;}
.hero-float .bar i{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--brand-600),var(--neon-500));border-radius:999px;}

/* ============ 通用区块 ============ */
.section{padding:96px 0;}
.section--tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);
  letter-spacing:2px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.3;position:relative;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-600);
}
.section-head p{margin:14px 0 0;color:var(--text-600);font-size:15.5px;}

/* ============ 能力总览数字 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--s1);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--s2);}
.stat-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-050);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:18px;margin-bottom:18px;
}
.stat-card .num{font-size:40px;font-weight:700;line-height:1.05;letter-spacing:-1px;}
.stat-card .num small{font-size:14px;font-weight:600;color:var(--text-600);margin-left:4px;}
.stat-card .lbl{font-size:14px;color:var(--text-600);margin-top:8px;}
.stat-card .track{height:4px;border-radius:999px;background:var(--brand-050);margin-top:18px;overflow:hidden;}
.stat-card .track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-600),var(--neon-500));}

/* ============ 锚点 + 内容块 ============ */
.anchor-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.anchor-nav{position:sticky;top:96px;}
.anchor-nav .title{
  font-size:13px;font-weight:600;color:var(--text-400);letter-spacing:1.5px;margin-bottom:16px;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:4px;}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:10px;color:var(--text-600);font-size:15px;
  border-left:3px solid transparent;transition:all .18s var(--ease);
}
.anchor-nav a .idx{font-size:12px;font-variant-numeric:tabular-nums;color:var(--text-400);}
.anchor-nav a:hover{background:var(--surface);color:var(--text-900);box-shadow:var(--s1);}
.anchor-nav a.is-current{
  color:var(--neon-500);background:var(--ink-900);border-left-color:var(--neon-500);
  box-shadow:0 0 0 1px rgba(22,224,200,.35),0 0 18px var(--neon-glow);
}
.anchor-nav a.is-current .idx{color:var(--neon-500);}
.anchor-nav .side-card{
  margin-top:24px;background:var(--brand-050);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 20px;
}
.anchor-nav .side-card h4{font-size:15px;margin-bottom:8px;}
.anchor-nav .side-card p{font-size:13.5px;color:var(--text-600);margin-bottom:16px;}

.cap-block{padding-bottom:64px;margin-bottom:64px;border-bottom:1px solid var(--line);}
.cap-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.cap-block .cap-idx{
  font-size:13px;font-variant-numeric:tabular-nums;color:var(--neon-500);font-weight:600;letter-spacing:1px;
}
.cap-block h3{font-size:22px;margin:10px 0 14px;}
.cap-block > p{color:var(--text-600);font-size:15.5px;max-width:720px;}
.cap-points{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:24px 0 28px;}
.cap-points li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text-900);
}
.cap-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--brand-600);
}
.cap-points li span{color:var(--text-600);}
.cap-media{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--s2);border:1px solid var(--line);
}
.cap-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.cap-media:hover img{transform:scale(1.03);}
.cap-caption{font-size:13px;color:var(--text-400);margin-top:10px;}

/* ============ 交付流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow-grid::before{
  content:"";position:absolute;left:24px;right:24px;top:18px;height:1px;background:var(--line);
}
.flow-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 22px 24px;box-shadow:var(--s1);}
.flow-item .dot{
  width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--brand-600);
  color:var(--brand-600);font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  font-variant-numeric:tabular-nums;position:relative;z-index:1;
}
.flow-item.is-active .dot{background:var(--brand-600);color:#fff;border-color:var(--brand-600);}
.flow-item h3{font-size:17px;margin-bottom:10px;}
.flow-item p{font-size:14.5px;color:var(--text-600);margin:0;}
.flow-item .meta{margin-top:16px;font-size:13px;color:var(--text-400);display:flex;align-items:center;gap:8px;}
.flow-item .meta i{color:var(--neon-500);}

/* ============ 适配说明 ============ */
.fit-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;}
.fit-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--s1);display:flex;flex-direction:column;
}
.fit-card.highlight{
  background:var(--brand-050);border-color:rgba(22,224,200,.5);
  box-shadow:0 0 0 1px rgba(22,224,200,.35),0 0 18px var(--neon-glow);
}
.fit-card .tag{
  align-self:flex-start;font-size:12px;font-weight:500;padding:5px 12px;border-radius:6px;
  background:var(--line);color:var(--text-600);margin-bottom:18px;
}
.fit-card.highlight .tag{background:#fff;color:var(--brand-700);border:1px solid rgba(22,224,200,.6);}
.fit-card h3{font-size:19px;margin-bottom:16px;}
.fit-list{display:flex;flex-direction:column;gap:12px;margin-top:auto;}
.fit-list li{display:flex;gap:12px;font-size:15px;color:var(--text-600);align-items:flex-start;}
.fit-list li i{margin-top:5px;font-size:8px;color:var(--text-400);}
.fit-card.highlight .fit-list li{color:var(--text-900);}
.fit-card.highlight .fit-list li i{color:var(--neon-500);}
.fit-card.highlight .fit-list b{font-weight:700;}

/* ============ CTA 卡 ============ */
.cta-card{
  background:var(--brand-050);border:1px solid var(--line);border-radius:var(--r-media);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-card h2{font-size:22px;margin-bottom:10px;}
.cta-card p{color:var(--text-600);font-size:15px;margin:0;max-width:620px;}
.cta-card .actions{display:flex;gap:14px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#A9B6CC;position:relative;padding:72px 0 0;margin-top:96px;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,rgba(22,224,200,0) 100%);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{
  border-color:rgba(255,255,255,.18);color:#fff;background:rgba(255,255,255,.06);
}
.footer-brand .brand-name{color:#E8EEF7;font-size:17px;font-weight:700;display:block;}
.footer-brand .brand-sub{color:#6C7B93;font-size:11px;letter-spacing:1.6px;}
.footer-desc{font-size:14px;line-height:1.85;color:#A9B6CC;max-width:340px;}
.footer-col h3{
  position:relative;color:#E8EEF7;font-size:15px;padding-left:12px;margin-bottom:20px;
}
.footer-col h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--neon-500);
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:#A9B6CC;font-size:14px;transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--neon-500);transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-contact span{display:flex;align-items:center;gap:10px;}
.footer-contact i{color:var(--neon-500);width:16px;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;color:#A9B6CC;
}
.footer-social a:hover{color:var(--neon-500);border-color:rgba(22,224,200,.5);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px 28px;font-size:13px;color:#6C7B93;
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid::before{display:none;}
}
@media (max-width:991px){
  .nav-menu,.header-tel{display:none;}
  .nav-toggle{display:flex;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-float{position:static;margin-top:16px;box-shadow:var(--s1);}
  .hero-tag{position:static;display:inline-block;margin-bottom:12px;}
  .anchor-layout{grid-template-columns:1fr;gap:32px;}
  .anchor-nav{position:static;}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .anchor-nav a{background:var(--surface);border:1px solid var(--line);border-left-width:1px;}
  .anchor-nav a.is-current{border-color:rgba(22,224,200,.5);}
  .fit-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .cta-card{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:28px;}
  .stat-grid{grid-template-columns:1fr;}
  .cap-points{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-card{padding:28px 22px;}
  .cta-card .actions{width:100%;flex-direction:column;}
  .cta-card .actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .fit-card{padding:24px 20px;}
}
@media (max-width:575px){
  .site-header{height:64px;}
  .brand-sub{display:none;}
  .stat-card .num{font-size:32px;}
  .cap-block h3{font-size:19px;}
  .btn{padding:12px 18px;}
}

/* roulang page: category3 */
:root{
  --brand-700:#1448B4;
  --brand-600:#1B5FE0;
  --brand-100:#E7EEFC;
  --brand-050:#F2F6FE;
  --neon-500:#16E0C8;
  --neon-glow:rgba(22,224,200,.35);
  --ink-900:#0A1024;
  --ink-800:#0E1730;
  --text-900:#12203A;
  --text-600:#5A6B85;
  --text-400:#8A99B0;
  --line:#E5EAF3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --warn:#FFB324;
  --ok:#12B886;
  --err:#E5484D;
  --dark-title:#E8EEF7;
  --dark-text:#A9B6CC;
  --dark-line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-media:20px;
  --r-btn:10px;
  --r-badge:6px;
  --s1:0 1px 2px rgba(10,16,36,.04),0 4px 12px rgba(10,16,36,.05);
  --s2:0 8px 24px rgba(10,16,36,.08);
  --s3:0 16px 40px rgba(10,16,36,.12);
  --glow:0 0 0 1px rgba(22,224,200,.5),0 0 18px var(--neon-glow);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:96px;
  --bs-primary:#1B5FE0;
  --bs-body-color:#12203A;
  --bs-body-bg:#F7F9FC;
  --bs-border-color:#E5EAF3;
  --bs-link-color:#1B5FE0;
  --bs-link-hover-color:#1448B4;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4,p,ul,ol,dl{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--neon-500);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--ink-900);
  border-bottom:1px solid var(--dark-line);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,transparent 100%);
  opacity:.9;pointer-events:none;
}
.site-header.scrolled{background:rgba(10,16,36,.92);backdrop-filter:blur(10px);box-shadow:var(--s3)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s var(--ease)}
.site-header.scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,rgba(27,95,224,.35),rgba(22,224,200,.18));
  border:1px solid rgba(22,224,200,.55);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px;
  box-shadow:0 0 14px rgba(22,224,200,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:.2px}
.brand-sub{color:var(--dark-text);font-size:11px;letter-spacing:1.6px}
.nav-menu{display:flex;align-items:center;gap:34px;margin-left:auto}
.nav-menu a{position:relative;color:var(--dark-text);font-size:15px;padding:6px 2px;white-space:nowrap}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--neon-500),var(--brand-600));
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-menu a:hover{color:#fff}
.nav-menu a:hover::after{transform:scaleX(.5)}
.nav-menu a.active{color:var(--neon-500)}
.nav-menu a.active::after{transform:scaleX(1);box-shadow:0 0 10px var(--neon-glow)}
.nav-menu a.active::before{
  content:"";position:absolute;left:-13px;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--neon-500);transform:translateY(-50%);box-shadow:0 0 10px var(--neon-glow);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.phone-link{display:inline-flex;align-items:center;gap:8px;color:var(--dark-text);font-size:14px}
.phone-link:hover{color:var(--neon-500)}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:var(--r-btn);
  background:var(--neon-500);color:var(--ink-900);font-size:15px;font-weight:600;
  border:1px solid rgba(22,224,200,.7);transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-neon:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--glow);color:var(--ink-900)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--dark-line);border-radius:10px;
  background:transparent;padding:0;position:relative;cursor:pointer;
}
.nav-toggle span{
  display:block;position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--neon-500);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:28px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;z-index:99;background:var(--ink-900);
  padding:96px 24px 24px;display:flex;flex-direction:column;
  transform:translateY(-100%);visibility:hidden;transition:transform .24s var(--ease),visibility .24s var(--ease);
}
.mobile-drawer.open{transform:translateY(0);visibility:visible}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;height:56px;color:var(--dark-text);font-size:16px;
  border-bottom:1px solid var(--dark-line);padding-left:14px;position:relative;
}
.mobile-drawer a.drawer-link.active{color:var(--neon-500)}
.mobile-drawer a.drawer-link.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
  background:var(--neon-500);box-shadow:0 0 12px var(--neon-glow);
}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn-neon{width:100%}
body.nav-open{overflow:hidden}
@media (max-width:991.98px){
  .nav-menu,.phone-link{display:none}
  .nav-toggle{display:block}
  .nav-actions{margin-left:auto}
}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--brand-600);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--brand-600);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-main:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;border-radius:var(--r-btn);
  background:#fff;color:var(--text-900);font-size:15px;font-weight:600;border:1px solid var(--line);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.btn-outline:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-700)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 面包屑 & 页面头 ============ */
.crumb{padding:24px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-400)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:var(--text-400)}
.crumb a{color:var(--text-600)}
.crumb a:hover{color:var(--brand-600)}
.crumb [aria-current="page"]{color:var(--text-600)}
.page-hero{position:relative;padding:40px 0 var(--section-y);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;right:-80px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,var(--brand-050) 0%,rgba(242,246,254,0) 70%);pointer-events:none;
}
.page-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:4px;
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.24;font-weight:700;letter-spacing:-.5px;margin-bottom:20px;
}
.page-hero .lede{max-width:640px;font-size:17px;line-height:1.85;color:var(--text-600)}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:28px}
.hero-facts li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-600)}
.hero-facts i{color:var(--brand-600)}
.hero-media{
  position:relative;border-radius:var(--r-media);overflow:hidden;box-shadow:var(--s2);
  border:1px solid var(--line);background:var(--brand-050);aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
@media (max-width:991.98px){
  .page-hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{aspect-ratio:16/9}
}

/* ============ 区块通用 ============ */
.section{padding:var(--section-y) 0}
.section--tight{padding-top:0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-600),var(--neon-500));
}
.section-head p{margin-top:12px;font-size:14px;color:var(--text-600);max-width:760px;padding-left:16px}
.section-title-block{max-width:820px}

/* ============ 对比表 ============ */
.cmp-figure{margin-bottom:32px;border-radius:var(--r-media);overflow:hidden;box-shadow:var(--s2);border:1px solid var(--line);background:var(--brand-050)}
.cmp-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;transition:transform .3s var(--ease)}
.cmp-figure:hover img{transform:scale(1.03)}
.cmp-figure figcaption{padding:12px 20px;background:#fff;font-size:13px;color:var(--text-400);border-top:1px solid var(--line)}
.cmp-shell{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp-table{width:100%;min-width:860px;border-collapse:separate;border-spacing:0;font-size:15px}
.cmp-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.cmp-table th,.cmp-table td{padding:0 20px;height:48px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line)}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;background:#fff;background-clip:padding-box;
  font-size:15px;font-weight:600;color:var(--text-900);height:62px;border-bottom:1px solid var(--line);
}
.cmp-table thead th.cmp-rowhead{color:var(--text-400);font-weight:500}
.cmp-table thead th.is-feature{background:var(--brand-050);color:var(--brand-700);border-left:1px solid rgba(22,224,200,.5);border-right:1px solid rgba(22,224,200,.5);border-top:1px solid rgba(22,224,200,.5)}
.cmp-table tbody tr:nth-child(odd) td{background:#FBFCFE}
.cmp-table tbody th{font-weight:500;color:var(--text-600);text-align:left}
.cmp-table td.is-feature{background:var(--brand-050);border-left:1px solid rgba(22,224,200,.5);border-right:1px solid rgba(22,224,200,.5);font-weight:600;color:var(--text-900)}
.cmp-table tbody tr:nth-child(odd) td.is-feature{background:#EDF3FE}
.cmp-table tbody tr:last-child td,.cmp-table tbody tr:last-child th{border-bottom:none}
.cmp-badge{
  display:inline-flex;align-items:center;padding:2px 8px;margin-right:8px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;color:var(--ink-900);background:var(--neon-500);
}
@media (max-width:767.98px){.cmp-table{font-size:14px}.cmp-table th,.cmp-table td{padding:0 14px}}

/* ============ 数字小格 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);
  padding:28px 26px;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.stat-card i{font-size:20px;color:var(--brand-600);margin-bottom:16px;display:block}
.stat-num{font-size:32px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--text-900)}
.stat-num span{font-size:14px;font-weight:600;color:var(--text-600);margin-left:6px}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-600)}
.stat-bar{margin-top:18px;height:4px;border-radius:999px;background:var(--brand-050);overflow:hidden}
.stat-bar b{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-600),var(--neon-500))}
@media (max-width:991.98px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.stats-grid{grid-template-columns:1fr;gap:16px}}

/* ============ FAQ ============ */
.faq-list{max-width:980px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#D5DEEC;box-shadow:var(--s1)}
.faq-item[open]{border-color:var(--line);box-shadow:inset 3px 0 0 var(--neon-500),var(--s1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;color:var(--text-900);
  list-style:none;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--brand-600)}
.faq-icon{position:relative;width:24px;height:24px;flex:0 0 24px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq-icon::before{left:2px;right:2px;top:11px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:11px;width:2px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-600)}
.faq-body p+p{margin-top:12px}

/* ============ CTA 卡 ============ */
.cta-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:var(--brand-600);border-radius:var(--r-media);padding:36px 40px;color:#fff;
  box-shadow:var(--s2);
}
.cta-card h2{font-size:24px;line-height:1.35;font-weight:700;color:#fff}
.cta-card p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.88)}
.cta-contact{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:16px}
.cta-contact span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 24px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.65);background:transparent;color:#fff;font-size:15px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
@media (max-width:767.98px){.cta-card{padding:28px 22px}.cta-actions{width:100%}.cta-actions .btn-neon,.cta-actions .btn-ghost{width:100%}}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--ink-900);color:var(--dark-text);margin-top:var(--section-y)}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--neon-500) 60%,transparent 100%);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);border-color:rgba(22,224,200,.5)}
.footer-desc{font-size:14px;line-height:1.85;color:var(--dark-text);max-width:340px}
.footer-col h3{
  position:relative;font-size:15px;font-weight:600;color:var(--dark-title);padding-left:12px;margin-bottom:18px;
}
.footer-col h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--neon-500)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--dark-text);font-size:14px;display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col ul a:hover{color:var(--neon-500);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--dark-text)}
.footer-contact span{display:inline-flex;align-items:center;gap:10px}
.footer-contact i{color:var(--neon-500);width:16px;text-align:center}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--dark-line);color:var(--dark-text);transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--neon-500);border-color:rgba(22,224,200,.55);transform:translateY(-2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--dark-line);font-size:13px;color:var(--text-400);
}
.footer-bottom a{color:var(--text-400)}
.footer-bottom a:hover{color:var(--neon-500)}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{flex-direction:column;gap:8px}}

/* ============ 响应式节奏 ============ */
@media (max-width:1199.98px){:root{--section-y:80px}}
@media (max-width:991.98px){:root{--section-y:72px}.section-head h2{font-size:26px}}
@media (max-width:767.98px){
  :root{--section-y:56px}
  .container{padding:0 20px}
  .section-head h2{font-size:22px}
  .page-hero{padding-top:24px}
  .page-hero .lede{font-size:16px}
  .cta-card h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .hero-media:hover img,.cmp-figure:hover img{transform:none}
}

/* roulang page: category2 */
:root{
  --brand-700:#1448B4;
  --brand-600:#1B5FE0;
  --brand-100:#E7EEFC;
  --brand-050:#F2F6FE;
  --neon-500:#16E0C8;
  --neon-glow:rgba(22,224,200,.35);
  --ink-900:#0A1024;
  --ink-800:#0E1730;
  --text-900:#12203A;
  --text-600:#5A6B85;
  --text-400:#8A99B0;
  --line:#E5EAF3;
  --bg:#F7F9FC;
  --surface:#FFFFFF;
  --warn:#FFB324;
  --ok:#12B886;
  --err:#E5484D;
  --dark-title:#E8EEF7;
  --dark-text:#A9B6CC;
  --dark-line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-media:20px;
  --r-btn:10px;
  --r-badge:6px;
  --r-dark:20px;
  --s1:0 1px 2px rgba(10,16,36,.04),0 4px 12px rgba(10,16,36,.05);
  --s2:0 8px 24px rgba(10,16,36,.08);
  --s3:0 16px 40px rgba(10,16,36,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#12203A;
  --bs-body-bg:#F7F9FC;
  --bs-link-color:#1B5FE0;
  --bs-link-hover-color:#1448B4;
  --bs-border-color:#E5EAF3;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-700)}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--neon-500);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding:0 20px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--ink-900);
  color:var(--dark-title);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600),var(--neon-500) 60%,transparent);
}
.site-header.is-scrolled{
  background:rgba(10,16,36,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:var(--s3);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;
  border:1px solid var(--neon-500);border-radius:10px;
  font-size:15px;font-weight:700;letter-spacing:.5px;color:var(--neon-500);
  background:rgba(22,224,200,.06);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:600;color:#fff}
.brand-sub{font-size:10px;letter-spacing:1.6px;color:var(--dark-text)}

.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;
  display:inline-flex;align-items:center;
  height:72px;padding:0 14px;
  font-size:15px;color:var(--dark-text);
  transition:color .18s var(--ease);
}
.site-header.is-scrolled .nav-menu a{height:64px}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;border-radius:999px;
  background:var(--neon-500);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-menu a:hover{color:var(--dark-title)}
.nav-menu a:hover::after{transform:scaleX(.4)}
.nav-menu a.active{color:var(--neon-500)}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active::before{
  content:"";position:absolute;left:2px;top:50%;margin-top:-3px;
  width:6px;height:6px;border-radius:50%;background:var(--neon-500);
  box-shadow:0 0 10px var(--neon-glow);
}

.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--neon-500);color:var(--ink-900);
  font-size:15px;font-weight:600;
  transition:filter .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-neon:hover{
  color:var(--ink-900);filter:brightness(1.06);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(22,224,200,.5),0 0 18px var(--neon-glow);
}
.header-tel{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--dark-text)}
.header-tel:hover{color:var(--neon-500)}

.nav-toggle{
  display:none;width:44px;height:44px;padding:0;margin-left:auto;
  border:1px solid rgba(255,255,255,.16);border-radius:10px;background:transparent;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;position:relative;z-index:1200;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--neon-500);transition:transform .2s var(--ease),opacity .2s var(--ease)}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:991.98px){
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:1100;
    flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:96px 24px 40px;
    background:var(--ink-900);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
    overflow-y:auto;
  }
  body.nav-open .nav-menu{opacity:1;visibility:visible;transform:none}
  body.nav-open{overflow:hidden}
  .nav-menu a{
    height:56px;padding:0 12px;font-size:16px;
    border-left:3px solid transparent;border-radius:0;
  }
  .site-header.is-scrolled .nav-menu a{height:56px}
  .nav-menu a::after{display:none}
  .nav-menu a.active{
    color:var(--neon-500);border-left-color:var(--neon-500);
    background:rgba(22,224,200,.06);
  }
  .nav-menu a.active::before{display:none}
  .nav-menu a:hover{border-left-color:rgba(22,224,200,.4)}
}

/* ============ 通用按钮 / 标签 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--brand-600);border:1px solid var(--brand-600);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--text-900);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px)}
.btn-neon-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--neon-500);border:1px solid var(--neon-500);color:var(--ink-900);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:filter .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-neon-solid:hover{color:var(--ink-900);filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,200,.5),0 0 18px var(--neon-glow)}

.badge-soft{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:500;letter-spacing:.2px;
}
.badge-neon{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 10px;border-radius:999px;
  border:1px solid rgba(22,224,200,.6);color:#0A6E64;
  background:rgba(22,224,200,.1);font-size:12px;font-weight:500;
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;
  font-size:15px;font-weight:600;color:var(--brand-600);
}
.text-link i{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--brand-700)}
.text-link:hover i{transform:translateX(4px)}

/* ============ 页面头 ============ */
.page-head{
  position:relative;overflow:hidden;
  padding:40px 0 72px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
}
.page-head::after{
  content:"";position:absolute;right:-100px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,95,224,.07),transparent 68%);
  pointer-events:none;
}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-400);margin-bottom:28px}
.breadcrumb-nav a{color:var(--text-600)}
.breadcrumb-nav a:hover{color:var(--brand-600)}
.breadcrumb-nav .sep{color:var(--text-400)}
.breadcrumb-nav .current{color:var(--text-600)}
.page-head__grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  position:relative;z-index:1;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:6px;margin-bottom:18px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:500;
}
.page-head h1{
  margin:0 0 18px;
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.24;font-weight:700;letter-spacing:-.4px;
}
.page-lead{
  max-width:620px;margin:0 0 28px;
  font-size:16px;line-height:1.8;color:var(--text-600);
}
.page-head__actions{display:flex;flex-wrap:wrap;gap:14px}
.page-head__media{margin:0}
.page-head__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-media);box-shadow:var(--s2);
}
@media (max-width:991.98px){
  .page-head{padding:32px 0 56px}
  .page-head__grid{grid-template-columns:1fr;gap:32px}
  .page-head__media{order:-1}
  .page-head__media img{aspect-ratio:16/9}
}

/* ============ 区块通用 ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--plain{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:991.98px){.section{padding:72px 0}.section--tight{padding:56px 0}}
@media (max-width:767.98px){.section{padding:56px 0}.section--tight{padding:48px 0}}
.section-head{margin-bottom:40px}
.section-head h2{
  display:flex;align-items:center;gap:12px;
  margin:0 0 12px;font-size:30px;line-height:1.3;font-weight:700;
}
.section-head h2::before{
  content:"";width:4px;height:22px;flex:0 0 4px;border-radius:2px;background:var(--brand-700);
}
.section-head p{margin:0;max-width:760px;font-size:15px;color:var(--text-600)}
@media (max-width:767.98px){
  .section-head h2{font-size:22px}
  .section-head p{font-size:15px}
}

/* ============ 标签条 ============ */
.tag-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.tag-pill{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-600);font-size:14px;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.tag-pill:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-050)}
.tag-pill.is-active{
  background:rgba(22,224,200,.12);border-color:rgba(22,224,200,.6);color:#0A6E64;
  box-shadow:0 0 0 1px rgba(22,224,200,.28);
}

/* ============ 模块卡片网格 ============ */
.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1199.98px){.module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767.98px){.module-grid{grid-template-columns:1fr;gap:16px}}

.module-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.module-card:hover{transform:translateY(-2px);box-shadow:var(--s3);border-color:#D8E1F0}
.module-card__media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--brand-050)}
.module-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s var(--ease);
}
.module-card:hover .module-card__media img{transform:scale(1.03)}
.module-card__body{display:flex;flex-direction:column;flex:1;gap:14px;padding:24px}
.module-card h3{margin:0;font-size:19px;line-height:1.45;font-weight:600}
.module-card h3 a{color:var(--text-900)}
.module-card h3 a:hover{color:var(--brand-600)}
.module-card__desc{
  margin:0;font-size:15px;line-height:1.75;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.spec-list{margin:0;padding:0;border-top:1px solid var(--line)}
.spec-list li{
  display:flex;align-items:flex-end;gap:10px;
  padding:10px 0;font-size:14px;border-bottom:1px dashed var(--line);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0}
.spec-key{flex:0 0 auto;color:var(--text-400)}
.spec-dots{flex:1 1 auto;min-width:16px;height:0;margin-bottom:5px;border-bottom:1px dotted #CBD5E6}
.spec-val{flex:0 0 auto;color:var(--text-900);font-weight:600;font-variant-numeric:tabular-nums}

/* ============ 部署与集成 ============ */
.deploy-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:start}
@media (max-width:991.98px){.deploy-grid{grid-template-columns:1fr;gap:32px}}
.step-list{display:grid;gap:24px;margin-top:8px}
.step-item{display:grid;grid-template-columns:36px 1fr;gap:16px;align-items:start}
.step-num{
  display:grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:#fff;border:1px solid var(--brand-600);color:var(--brand-600);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-item:first-child .step-num{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.step-item h3{margin:6px 0 6px;font-size:18px;font-weight:600}
.step-item p{margin:0;font-size:15px;color:var(--text-600)}
.deploy-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-media);box-shadow:var(--s2);
}
.deploy-note{
  margin-top:20px;padding:20px 24px;border-radius:12px;
  background:var(--brand-050);border-left:4px solid var(--brand-600);
  font-size:15px;color:var(--text-600);
}

/* ============ 数据小格 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:991.98px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.stat-grid{grid-template-columns:1fr;gap:16px}}
.stat-cell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:28px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.stat-cell:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.stat-value{
  display:flex;align-items:baseline;gap:6px;
  font-size:34px;font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--text-900);
}
.stat-value .unit{font-size:14px;font-weight:500;color:var(--text-400)}
.stat-cell.is-key .stat-value{color:var(--brand-600)}
.stat-label{margin-top:10px;font-size:14px;color:var(--text-600)}

/* ============ FAQ ============ */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
@media (max-width:991.98px){.faq-list{grid-template-columns:1fr;gap:12px}}
.faq-item{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--s2)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--neon-500);transform:scaleY(0);transform-origin:top;
  transition:transform .2s var(--ease);
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--brand-600)}
.faq-icon{position:relative;width:24px;height:24px;flex:0 0 24px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:4px;right:4px;top:11px;height:2px;border-radius:2px;
  background:var(--brand-600);transition:transform .2s var(--ease);
}
.faq-icon::after{transform:rotate(90deg)}
.faq-item[open] .faq-icon::after{transform:rotate(0)}
.faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--text-600)}

/* ============ CTA 条 ============ */
.cta-wrap{padding:0 0 96px}
@media (max-width:767.98px){.cta-wrap{padding:0 0 56px}}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px;border-radius:var(--r-dark);
  background:var(--brand-600);color:#fff;
}
.cta-band h2{margin:0 0 10px;font-size:26px;line-height:1.3;font-weight:700;color:#fff}
.cta-band p{margin:0;max-width:620px;font-size:15px;color:rgba(255,255,255,.88)}
.cta-band__contact{
  display:flex;align-items:center;gap:10px;margin-top:18px;
  font-size:15px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums;
}
.cta-band__contact i{color:var(--neon-500)}
.cta-band__action{flex:0 0 auto}
@media (max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-band h2{font-size:22px}
  .cta-band__action{width:100%}
  .cta-band__action .btn-neon-solid{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink-900);color:var(--dark-text);
  padding:72px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand-600),var(--neon-500) 60%,transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--dark-text);max-width:360px}
.footer-col h3{
  display:flex;align-items:center;gap:8px;
  margin:0 0 16px;font-size:15px;font-weight:600;color:var(--dark-title);
}
.footer-col h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--neon-500)}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{display:inline-block;font-size:14px;color:var(--dark-text)}
.footer-col ul a:hover{color:var(--neon-500);transform:translateX(2px)}
.footer-contact{display:grid;gap:10px;font-size:14px}
.footer-contact i{width:16px;color:var(--neon-500);margin-right:8px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  display:grid;place-items:center;width:36px;height:36px;
  border:1px solid var(--dark-line);border-radius:10px;
  color:var(--dark-text);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-social a:hover{color:var(--neon-500);border-color:rgba(22,224,200,.5)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  padding:20px 0;border-top:1px solid var(--dark-line);
  font-size:13px;color:var(--text-400);
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}