/* roulang page: index */
:root{
  --pg-bg-900:#05121A;
  --pg-bg-800:#0A1B24;
  --pg-surface:rgba(255,255,255,.055);
  --pg-surface-2:rgba(255,255,255,.09);
  --pg-line:rgba(255,255,255,.12);
  --pg-line-strong:rgba(43,227,192,.38);
  --pg-accent:#2BE3C0;
  --pg-accent-2:#FFB547;
  --pg-primary:#4A7DFF;
  --pg-text-1:#EAF3F9;
  --pg-text-2:#A7BCC9;
  --pg-text-3:#6E8898;
  --pg-radius:14px;
  --pg-radius-sm:10px;
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --pg-mono:ui-monospace,"JetBrains Mono",Consolas,"Courier New",monospace;
  --bs-body-bg:#05121A;
  --bs-body-color:#EAF3F9;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-link-color:#2BE3C0;
  --bs-link-hover-color:#5FF0D4;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:rgba(255,255,255,.12);
  --bs-accordion-btn-color:#EAF3F9;
  --bs-accordion-active-color:#2BE3C0;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-color:#A7BCC9;
  --bs-primary-rgb:43,227,192;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  background:linear-gradient(180deg,#05121A 0%,#0A1B24 100%) fixed;
  color:var(--pg-text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--pg-text-1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:rgba(43,227,192,.28);color:#EAF3F9}
*:focus-visible{outline:2px solid var(--pg-accent);outline-offset:2px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#05121A}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:8px;border:2px solid #05121A}
::-webkit-scrollbar-thumb:hover{background:rgba(43,227,192,.4)}

.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.pg-section{padding:100px 0;position:relative}
.pg-section-sm{padding:72px 0}
.pg-section-dark{background:rgba(4,15,22,.6);border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line);position:relative}
.pg-section-dark::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.7),transparent);
}
.pg-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--pg-accent);
  text-transform:uppercase;font-weight:600;
}
.pg-eyebrow::before{content:"";width:18px;height:1px;background:var(--pg-accent)}
.pg-h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;letter-spacing:-.01em;font-weight:700}
.pg-h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700}
.pg-h3{font-size:20px;line-height:1.4;font-weight:600}
.pg-lead{color:var(--pg-text-2);font-size:16px;line-height:1.85;max-width:640px}
.pg-section-head{margin-bottom:52px;max-width:760px}
.pg-section-head .pg-h2{margin:14px 0 16px}
.pg-mono{font-family:var(--pg-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 顶部导航 */
.pg-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,18,26,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--pg-ease),border-color .25s var(--pg-ease);
}
.pg-header.is-stuck{background:rgba(5,18,26,.93);border-bottom-color:var(--pg-line)}
.pg-nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.pg-brand{display:flex;align-items:center;gap:10px;min-height:44px}
.pg-brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(140deg,#2BE3C0,#1B9C84);
  display:grid;place-items:center;
  color:#04161A;font-weight:800;font-size:13px;letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(43,227,192,.28);
}
.pg-brand-text{display:flex;flex-direction:column;line-height:1.15}
.pg-brand-name{font-size:16px;font-weight:700;color:var(--pg-text-1);letter-spacing:.01em}
.pg-brand-sub{font-size:11px;color:var(--pg-text-3);letter-spacing:.06em}
.pg-nav-links{display:flex;align-items:center;gap:4px}
.pg-nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--pg-text-2);
  transition:color .2s var(--pg-ease),background .2s var(--pg-ease);
}
.pg-nav-link:hover{color:var(--pg-accent);background:var(--pg-surface)}
.pg-nav-link.is-active{color:var(--pg-text-1)}
.pg-nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--pg-accent);box-shadow:0 0 10px rgba(43,227,192,.6);
}
.pg-nav-actions{display:flex;align-items:center;gap:10px}

/* 按钮 */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s var(--pg-ease),box-shadow .2s var(--pg-ease),background .2s var(--pg-ease),border-color .2s var(--pg-ease),color .2s var(--pg-ease),filter .2s var(--pg-ease);
}
.pg-btn-primary{
  background:var(--pg-accent);color:#04161A;
  box-shadow:0 0 0 1px rgba(43,227,192,.45),0 8px 26px rgba(43,227,192,.26);
}
.pg-btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04161A;box-shadow:0 0 0 1px rgba(43,227,192,.5),0 10px 34px rgba(43,227,192,.36)}
.pg-btn-primary:active{transform:none;box-shadow:0 0 0 1px rgba(43,227,192,.45),0 6px 16px rgba(43,227,192,.22)}
.pg-btn-ghost{background:transparent;border-color:var(--pg-line);color:var(--pg-text-1)}
.pg-btn-ghost:hover{border-color:var(--pg-line-strong);background:var(--pg-surface-2);transform:translateY(-1px)}
.pg-btn-ghost:active{transform:none}
.pg-btn-block{width:100%}
.pg-btn[disabled],.pg-btn.is-disabled{filter:grayscale(.4);opacity:.45;pointer-events:none;box-shadow:none}
.pg-btn-sm{min-height:38px;padding:0 15px;font-size:14px}

/* 首屏 */
.pg-hero{position:relative;overflow:hidden;padding:76px 0 92px;isolation:isolate}
.pg-hero-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(90deg,rgba(5,18,26,.96) 0%,rgba(5,18,26,.82) 46%,rgba(5,18,26,.6) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center 40%;
}
.pg-hero::after{
  content:"";position:absolute;width:480px;height:480px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,227,192,.18),transparent 68%);
  pointer-events:none;z-index:-1;
}
.pg-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pg-hero-copy{max-width:620px}
.pg-hero-title{margin:18px 0 18px}
.pg-hero-title span{display:block;color:var(--pg-accent)}
.pg-hero-sub{font-size:17px;color:var(--pg-text-2);max-width:520px}
.pg-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.pg-metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;padding-top:28px;border-top:1px solid var(--pg-line)}
.pg-metric-num{font-family:var(--pg-mono);font-size:26px;font-weight:700;color:var(--pg-text-1);letter-spacing:-.02em}
.pg-metric-num em{font-style:normal;font-size:14px;color:var(--pg-text-3);margin-left:2px}
.pg-metric-label{font-size:13px;color:var(--pg-text-3);margin-top:2px}

.pg-hero-visual{position:relative}
.pg-glass-panel{
  position:relative;
  background:var(--pg-surface);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 32px rgba(0,0,0,.35);
}
.pg-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.pg-panel-head span:first-child{font-size:14px;color:var(--pg-text-2)}
.pg-panel-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--pg-accent)}
.pg-panel-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pg-accent);box-shadow:0 0 8px rgba(43,227,192,.8)}
.pg-tile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.pg-tile{
  display:flex;align-items:center;gap:10px;
  padding:13px 12px;border-radius:10px;
  background:var(--pg-surface-2);
  border:1px solid rgba(255,255,255,.07);
  font-size:13.5px;color:var(--pg-text-2);
  transition:border-color .2s var(--pg-ease),color .2s var(--pg-ease),transform .2s var(--pg-ease);
}
.pg-tile:hover{border-color:var(--pg-line-strong);color:var(--pg-text-1);transform:translateY(-2px)}
.pg-tile svg{flex:0 0 18px;color:var(--pg-accent)}
.pg-float-card{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;border-radius:12px;
  background:rgba(10,27,36,.92);
  border:1px solid var(--pg-line);
  box-shadow:0 12px 30px rgba(0,0,0,.42);
}
.pg-float-1{left:-18px;bottom:-24px}
.pg-float-2{right:-14px;top:-22px;border-color:var(--pg-line-strong)}
.pg-float-label{font-size:12px;color:var(--pg-text-3)}
.pg-float-value{font-family:var(--pg-mono);font-size:19px;font-weight:700;color:var(--pg-text-1)}
.pg-float-value.is-accent{color:var(--pg-accent-2)}

/* 服务板块 */
.pg-svc-wrap{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start}
.pg-svc-aside{position:sticky;top:96px}
.pg-svc-aside .pg-h2{margin:14px 0 14px}
.pg-index-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pg-index-list span{
  font-family:var(--pg-mono);font-size:12.5px;letter-spacing:.02em;
  color:var(--pg-text-3);border:1px solid var(--pg-line);border-radius:999px;
  padding:5px 11px;background:var(--pg-surface);
}
.pg-svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;padding-bottom:36px}
.pg-svc-grid > *:nth-child(even){margin-top:34px}
.pg-card{
  position:relative;
  background:var(--pg-surface);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:24px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 32px rgba(0,0,0,.3);
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-card:hover{transform:translateY(-2px);border-color:var(--pg-line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 16px 38px rgba(0,0,0,.4)}
.pg-card-no{font-family:var(--pg-mono);font-size:13px;color:var(--pg-accent);letter-spacing:.06em}
.pg-card .pg-h3{margin:12px 0 10px}
.pg-card p{color:var(--pg-text-2);font-size:14.5px;line-height:1.8}
.pg-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--pg-accent);
  transition:gap .2s var(--pg-ease),color .2s var(--pg-ease);
}
.pg-link::after{content:"→";transition:transform .2s var(--pg-ease)}
.pg-link:hover{gap:10px;color:#5FF0D4}
.pg-link:hover::after{transform:translateX(4px)}

/* 数据板块 */
.pg-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.pg-stat{padding:8px 26px;border-left:1px solid var(--pg-line)}
.pg-stat:first-child{border-left:0;padding-left:0}
.pg-stat-num{font-family:var(--pg-mono);font-size:clamp(28px,3.2vw,40px);font-weight:700;letter-spacing:-.03em;color:var(--pg-text-1);line-height:1.1}
.pg-stat-num em{font-style:normal;font-size:15px;color:var(--pg-text-3);margin-left:3px;letter-spacing:0}
.pg-stat-label{margin-top:10px;font-size:13.5px;color:var(--pg-text-2);line-height:1.7}

/* 案例板块 */
.pg-case-row{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;margin-bottom:64px}
.pg-case-row:last-child{margin-bottom:0}
.pg-case-row.is-reverse .pg-case-media{order:2}
.pg-case-media{
  border-radius:var(--pg-radius);overflow:hidden;
  border:1px solid var(--pg-line);
  box-shadow:0 14px 36px rgba(0,0,0,.4);
}
.pg-case-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.pg-badge{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;letter-spacing:.03em;
  background:rgba(43,227,192,.12);
  border:1px solid rgba(43,227,192,.3);
  color:var(--pg-accent);
}
.pg-badge-amber{
  background:rgba(255,181,71,.12);
  border-color:rgba(255,181,71,.34);
  color:var(--pg-accent-2);
}
.pg-badge-muted{background:var(--pg-surface-2);border-color:var(--pg-line);color:var(--pg-text-2)}
.pg-case-body .pg-h3{margin:16px 0 12px;font-size:22px}
.pg-case-body > p{color:var(--pg-text-2);font-size:15px;line-height:1.85}
.pg-case-result{display:flex;gap:36px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--pg-line)}
.pg-case-result .pg-stat-num{font-size:26px}
.pg-case-result .pg-stat-label{margin-top:4px;font-size:13px}

/* 方案板块 */
.pg-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.pg-plan{
  background:var(--pg-surface);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:28px 24px;
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease);
}
.pg-plan:hover{transform:translateY(-2px);border-color:var(--pg-line-strong)}
.pg-plan.is-featured{
  border-color:var(--pg-line-strong);
  background:linear-gradient(180deg,rgba(43,227,192,.07),rgba(255,255,255,.05));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 18px 44px rgba(0,0,0,.42);
  margin-top:-14px;
  padding-bottom:36px;
}
.pg-plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.pg-plan-name{font-size:19px;font-weight:700}
.pg-plan-desc{margin-top:10px;font-size:14px;color:var(--pg-text-2);line-height:1.8;min-height:52px}
.pg-plan-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:11px}
.pg-plan-list li{display:flex;gap:10px;font-size:14px;color:var(--pg-text-2);line-height:1.75}
.pg-plan-list li svg{flex:0 0 16px;margin-top:5px;color:var(--pg-accent)}
.pg-plan-for{font-size:13px;color:var(--pg-text-3);margin-bottom:18px}

/* 资讯板块 */
.pg-news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.pg-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;min-height:360px;align-content:start}
.pg-news-card{
  display:flex;flex-direction:column;
  background:var(--pg-surface);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 30px rgba(0,0,0,.3);
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease);
}
.pg-news-card:hover{transform:translateY(-2px);border-color:var(--pg-line-strong)}
.pg-news-thumb{display:block;overflow:hidden;border-bottom:1px solid var(--pg-line)}
.pg-news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--pg-ease)}
.pg-news-card:hover .pg-news-thumb img{transform:scale(1.04)}
.pg-news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pg-news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pg-news-time{font-size:13px;color:var(--pg-text-3);font-family:var(--pg-mono)}
.pg-news-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--pg-text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pg-news-card:hover .pg-news-title{color:var(--pg-accent)}
.pg-news-sum{font-size:14px;color:var(--pg-text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pg-news-body .pg-link{margin-top:auto}
.pg-empty{
  display:flex;flex-direction:column;align-items:flex-start;gap:14px;
  min-height:160px;padding:28px;border-radius:var(--pg-radius);
  background:var(--pg-surface);border:1px solid var(--pg-line);
  max-width:420px;
}
.pg-empty svg{color:var(--pg-text-3)}
.pg-empty p{font-size:14.5px;color:var(--pg-text-2)}

/* FAQ */
.pg-faq{border-radius:var(--pg-radius);overflow:hidden;border:1px solid var(--pg-line);background:var(--pg-surface);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.pg-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--pg-line)}
.pg-faq .accordion-item:last-child{border-bottom:0}
.pg-faq .accordion-header{margin:0}
.pg-faq .accordion-button{
  position:relative;
  background:transparent;color:var(--pg-text-1);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:22px 64px 22px 26px;
  box-shadow:none;border-radius:0;
}
.pg-faq .accordion-button:hover{color:var(--pg-accent)}
.pg-faq .accordion-button:not(.collapsed){color:var(--pg-accent);background:rgba(43,227,192,.05)}
.pg-faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--pg-accent);box-shadow:0 0 12px rgba(43,227,192,.7);
}
.pg-faq .accordion-button::after{
  content:"";width:13px;height:13px;margin-left:auto;flex:0 0 13px;
  background-image:none;
  background:
    linear-gradient(var(--pg-text-2),var(--pg-text-2)) center/13px 2px no-repeat,
    linear-gradient(var(--pg-text-2),var(--pg-text-2)) center/2px 13px no-repeat;
  transform:none;
  transition:background-image .2s var(--pg-ease),transform .2s var(--pg-ease);
}
.pg-faq .accordion-button:not(.collapsed)::after{
  background:
    linear-gradient(var(--pg-accent),var(--pg-accent)) center/13px 2px no-repeat,
    linear-gradient(var(--pg-accent),var(--pg-accent)) center/2px 0 no-repeat;
}
.pg-faq .accordion-body{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--pg-text-2);max-width:820px}

/* 联系 */
.pg-contact-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:32px;align-items:start}
.pg-form{
  background:var(--pg-surface);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:28px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 32px rgba(0,0,0,.32);
}
.pg-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pg-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.pg-field label{font-size:13.5px;color:var(--pg-text-2)}
.pg-field input,.pg-field select,.pg-field textarea{
  width:100%;min-height:46px;padding:11px 14px;
  background:rgba(3,12,18,.7);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-sm);
  color:var(--pg-text-1);font-size:15px;
  transition:border-color .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-field textarea{min-height:118px;resize:vertical;line-height:1.8}
.pg-field input::placeholder,.pg-field textarea::placeholder{color:var(--pg-text-3)}
.pg-field input:focus,.pg-field select:focus,.pg-field textarea:focus{
  outline:none;border-color:var(--pg-accent);
  box-shadow:0 0 0 3px rgba(43,227,192,.14);
}
.pg-field.has-error input,.pg-field.has-error textarea{border-color:var(--pg-accent-2)}
.pg-field-error{font-size:13px;color:var(--pg-accent-2)}
.pg-pills{display:flex;flex-wrap:wrap;gap:10px}
.pg-pill{position:relative;cursor:pointer}
.pg-pill input{position:absolute;opacity:0;width:1px;height:1px}
.pg-pill span{
  display:inline-flex;align-items:center;min-height:40px;padding:0 16px;
  border-radius:999px;border:1px solid var(--pg-line);
  font-size:14px;color:var(--pg-text-2);background:var(--pg-surface);
  transition:all .2s var(--pg-ease);
}
.pg-pill:hover span{border-color:var(--pg-line-strong);color:var(--pg-text-1)}
.pg-pill input:checked + span{
  background:var(--pg-accent);border-color:var(--pg-accent);color:#04161A;font-weight:600;
  box-shadow:0 6px 18px rgba(43,227,192,.24);
}
.pg-pill input:focus-visible + span{outline:2px solid var(--pg-accent);outline-offset:2px}
.pg-form-note{margin-top:14px;font-size:13px;color:var(--pg-text-3)}
.pg-form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--pg-radius-sm);
  background:rgba(43,227,192,.1);border:1px solid rgba(43,227,192,.3);
  color:var(--pg-accent);font-size:14px;
}
.pg-form-ok.is-on{display:block}
.pg-info-card{
  background:var(--pg-surface);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  padding:26px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 32px rgba(0,0,0,.32);
}
.pg-info-list{display:flex;flex-direction:column;gap:18px;margin-top:20px}
.pg-info-item{display:flex;gap:12px;align-items:flex-start}
.pg-info-item svg{flex:0 0 18px;margin-top:5px;color:var(--pg-accent)}
.pg-info-item strong{display:block;font-size:14.5px;font-weight:600;color:var(--pg-text-1)}
.pg-info-item span{font-size:13.5px;color:var(--pg-text-3);line-height:1.75}

/* 页脚 */
.pg-footer{border-top:1px solid var(--pg-line);background:rgba(4,14,21,.7);padding:60px 0 28px;margin-bottom:0}
.pg-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.pg-footer h3{font-size:14px;font-weight:600;color:var(--pg-text-1);margin-bottom:16px;letter-spacing:.02em}
.pg-footer p{font-size:13.5px;color:var(--pg-text-3);line-height:1.85}
.pg-footer ul{display:flex;flex-direction:column;gap:10px}
.pg-footer ul a{font-size:13.5px;color:var(--pg-text-2);transition:color .2s var(--pg-ease)}
.pg-footer ul a:hover{color:var(--pg-accent)}
.pg-footer-brand{margin-bottom:16px}
.pg-footer-brand .pg-brand-name{font-size:15px}
.pg-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--pg-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--pg-text-3);
}

/* 移动底部 Tab */
.pg-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(6,19,27,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--pg-line);
}
.pg-tabbar-inner{display:grid;grid-template-columns:repeat(3,1fr);height:56px}
.pg-tab{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--pg-text-3);transition:color .2s var(--pg-ease);
}
.pg-tab svg{width:20px;height:20px;stroke-width:1.6}
.pg-tab:hover{color:var(--pg-text-2)}
.pg-tab.is-active{color:var(--pg-accent)}
.pg-tab.is-active svg{filter:drop-shadow(0 0 10px rgba(43,227,192,.5))}
.pg-tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:34px;height:2px;border-radius:0 0 3px 3px;background:var(--pg-accent);
  box-shadow:0 0 10px rgba(43,227,192,.8);
}

/* 响应式 */
@media (max-width:1199px){
  .pg-hero-inner{gap:40px}
  .pg-svc-wrap{gap:36px}
}
@media (max-width:991px){
  .pg-section{padding:72px 0}
  .pg-hero{padding:56px 0 68px}
  .pg-hero-inner{grid-template-columns:1fr;gap:44px}
  .pg-hero-sub{max-width:none}
  .pg-svc-wrap{grid-template-columns:1fr;gap:32px}
  .pg-svc-aside{position:static}
  .pg-stats{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .pg-stat{border-left:1px solid var(--pg-line)}
  .pg-stat:nth-child(odd){border-left:0;padding-left:0}
  .pg-case-row{grid-template-columns:1fr;gap:26px;margin-bottom:52px}
  .pg-case-row.is-reverse .pg-case-media{order:0}
  .pg-plans{grid-template-columns:1fr;gap:18px}
  .pg-plan.is-featured{margin-top:0}
  .pg-news-grid{grid-template-columns:repeat(2,1fr)}
  .pg-contact-grid{grid-template-columns:1fr}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .pg-nav-links,.pg-nav-actions .pg-btn{display:none}
  .pg-tabbar{display:block}
  body{padding-bottom:76px}
  .pg-float-1{left:-8px;bottom:-18px}
  .pg-float-2{right:-6px;top:-16px}
}
@media (max-width:767px){
  .pg-container{padding:0 18px}
  .pg-section{padding:58px 0}
  .pg-section-head{margin-bottom:36px}
  .pg-svc-grid{grid-template-columns:1fr;padding-bottom:0}
  .pg-svc-grid > *:nth-child(even){margin-top:0}
  .pg-news-grid{grid-template-columns:1fr;min-height:0}
  .pg-form-grid{grid-template-columns:1fr}
  .pg-stats{grid-template-columns:1fr;gap:0}
  .pg-stat{border-left:0;padding:20px 0;border-top:1px solid var(--pg-line)}
  .pg-stat:first-child{border-top:0}
  .pg-case-result{gap:26px}
  .pg-footer-grid{grid-template-columns:1fr;gap:26px}
  .pg-footer-bottom{flex-direction:column;gap:8px}
  .pg-metrics{gap:22px}
}
@media (max-width:519px){
  .pg-h1{font-size:28px}
  .pg-cta-row .pg-btn{width:100%}
  .pg-hero{padding:44px 0 56px}
  .pg-tile-grid{grid-template-columns:1fr}
  .pg-float-card{padding:10px 13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --pg-bg-900:#05121A;
  --pg-bg-800:#0A1B24;
  --pg-surface:rgba(255,255,255,.055);
  --pg-surface-2:rgba(255,255,255,.09);
  --pg-line:rgba(255,255,255,.12);
  --pg-line-strong:rgba(43,227,192,.38);
  --pg-accent:#2BE3C0;
  --pg-accent-2:#FFB547;
  --pg-primary:#4A7DFF;
  --pg-text-1:#EAF3F9;
  --pg-text-2:#A7BCC9;
  --pg-text-3:#6E8898;
  --pg-radius-card:14px;
  --pg-radius-sm:10px;
  --pg-shadow-card:0 12px 32px rgba(0,0,0,.35);
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#05121A;
  --bs-body-color:#EAF3F9;
  --bs-primary-rgb:43,227,192;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-link-color:#2BE3C0;
  --bs-link-hover-color:#5cf0d5;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  color:var(--pg-text-1);
  background-color:var(--pg-bg-900);
  background-image:
    radial-gradient(480px 480px at 82% -6%, rgba(43,227,192,.16), transparent 70%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(180deg,#05121A 0%,#0A1B24 45%,#05121A 100%);
  background-size:auto,64px 64px,64px 64px,auto;
  background-repeat:no-repeat,repeat,repeat,no-repeat;
  background-attachment:fixed,scroll,scroll,scroll;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--pg-text-1)}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--pg-accent);text-decoration:none;transition:color .2s var(--pg-ease)}
a:hover{color:#5cf0d5}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:3px}
::selection{background:rgba(43,227,192,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#05121A}
::-webkit-scrollbar-thumb{background:rgba(43,227,192,.28);border-radius:999px;border:2px solid #05121A}
::-webkit-scrollbar-thumb:hover{background:rgba(43,227,192,.45)}

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

/* ---------- Header / Nav ---------- */
.pg-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,18,26,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--pg-ease),border-color .25s var(--pg-ease)
}
.pg-header.is-scrolled{background:rgba(5,18,26,.94);border-bottom-color:var(--pg-line)}
.pg-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.pg-brand{display:inline-flex;align-items:center;gap:12px;color:var(--pg-text-1);min-height:44px}
.pg-brand:hover{color:var(--pg-text-1)}
.pg-brand-mark{
  width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;
  border-radius:12px;font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:14px;font-weight:700;letter-spacing:.04em;color:#04161A;
  background:linear-gradient(140deg,#2BE3C0,#4A7DFF);
  box-shadow:0 0 0 1px rgba(43,227,192,.35),0 8px 20px rgba(43,227,192,.22)
}
.pg-brand-text{display:flex;flex-direction:column;line-height:1.25}
.pg-brand-name{font-size:17px;font-weight:700;letter-spacing:.01em}
.pg-brand-sub{font-size:12px;color:var(--pg-text-3);letter-spacing:.06em}
.pg-nav-links{display:flex;align-items:center;gap:6px}
.pg-nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 14px;font-size:15px;color:var(--pg-text-2);border-radius:var(--pg-radius-sm);
  transition:color .2s var(--pg-ease),background .2s var(--pg-ease)
}
.pg-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--pg-accent),rgba(43,227,192,0));opacity:0;
  transition:opacity .2s var(--pg-ease)
}
.pg-nav-link:hover{color:var(--pg-accent);background:rgba(255,255,255,.045)}
.pg-nav-link:hover::after{opacity:.65}
.pg-nav-link.is-active{color:var(--pg-text-1);font-weight:600}
.pg-nav-link.is-active::after{opacity:1}
.pg-nav-actions{display:flex;align-items:center;gap:10px}
.pg-icon-btn{
  display:none;width:44px;height:44px;border-radius:var(--pg-radius-sm);
  align-items:center;justify-content:center;color:var(--pg-text-1);
  border:1px solid var(--pg-line);background:var(--pg-surface);
  transition:border-color .2s var(--pg-ease),background .2s var(--pg-ease)
}
.pg-icon-btn:hover{border-color:var(--pg-line-strong);background:var(--pg-surface-2);color:var(--pg-accent)}

/* ---------- Buttons ---------- */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--pg-radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--pg-ease),box-shadow .2s var(--pg-ease),background .2s var(--pg-ease),border-color .2s var(--pg-ease),color .2s var(--pg-ease)
}
.pg-btn-sm{min-height:44px;padding:0 18px;font-size:14px}
.pg-btn-primary{
  background:var(--pg-accent);color:#04161A;
  box-shadow:0 0 0 1px rgba(43,227,192,.45),0 8px 26px rgba(43,227,192,.26)
}
.pg-btn-primary:hover{
  background:#41eccd;color:#04161A;transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,227,192,.5),0 10px 34px rgba(43,227,192,.34)
}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,192,.45),0 4px 14px rgba(43,227,192,.22)}
.pg-btn-ghost{
  background:transparent;color:var(--pg-text-1);border-color:var(--pg-line)
}
.pg-btn-ghost:hover{background:var(--pg-surface-2);border-color:var(--pg-line-strong);color:var(--pg-text-1);transform:translateY(-1px)}
.pg-btn-ghost:active{transform:translateY(0)}
.pg-btn:disabled,.pg-btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

.pg-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:13px;letter-spacing:.04em;color:var(--pg-accent);
  background:rgba(43,227,192,.1);border:1px solid rgba(43,227,192,.28)
}
.pg-badge-gold{color:var(--pg-accent-2);background:rgba(255,181,71,.1);border-color:rgba(255,181,71,.3)}
.pg-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--pg-accent);
  text-transform:uppercase;margin-bottom:14px
}

/* ---------- Hero ---------- */
.pg-hero{
  position:relative;overflow:hidden;
  min-height:52vh;display:flex;align-items:center;
  padding:72px 0 64px;
  border-bottom:1px solid var(--pg-line)
}
.pg-hero-bg{position:absolute;inset:0;z-index:0}
.pg-hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 32%}
.pg-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,18,26,.92) 0%,rgba(5,18,26,.78) 46%,rgba(5,18,26,.62) 100%),
    linear-gradient(180deg,rgba(5,18,26,.6),rgba(5,18,26,.92))
}
.pg-hero-inner{position:relative;z-index:1;max-width:760px}
.pg-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--pg-text-3);margin-bottom:20px}
.pg-crumbs a{color:var(--pg-text-2)}
.pg-crumbs a:hover{color:var(--pg-accent)}
.pg-crumbs .sep{color:var(--pg-text-3);opacity:.7}
.pg-crumbs .current{color:var(--pg-text-2)}
.pg-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;letter-spacing:-.01em;margin-bottom:18px}
.pg-hero-sub{font-size:17px;color:var(--pg-text-2);max-width:600px;margin-bottom:28px}
.pg-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.pg-hero-meta{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--pg-text-3)}
.pg-hero-meta strong{
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  color:var(--pg-text-1);font-weight:600;margin-right:6px;font-variant-numeric:tabular-nums
}

/* ---------- Sections ---------- */
.pg-section{padding:96px 0}
.pg-section-tight{padding:72px 0}
.pg-section-head{max-width:720px;margin-bottom:48px}
.pg-section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;margin-bottom:14px}
.pg-lead{font-size:16px;color:var(--pg-text-2);max-width:680px}
.pg-section-alt{
  background:linear-gradient(180deg,rgba(10,27,36,.6),rgba(5,18,26,.2));
  border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line)
}

/* ---------- Module (staggered) ---------- */
.pg-modules{display:flex;flex-direction:column;gap:56px}
.pg-module{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:40px;align-items:center
}
.pg-module--reverse .pg-module-media{order:2}
.pg-module-media{
  border-radius:var(--pg-radius-card);overflow:hidden;border:1px solid var(--pg-line);
  background:var(--pg-surface);aspect-ratio:4/3
}
.pg-module-media img{width:100%;height:100%;object-fit:cover}
.pg-module-body h3{font-size:22px;line-height:1.4;margin-bottom:12px}
.pg-module-num{
  display:inline-block;font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:14px;letter-spacing:.08em;color:var(--pg-accent);margin-bottom:10px
}
.pg-module-body p{color:var(--pg-text-2);margin-bottom:16px}
.pg-check-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.pg-check-list li{position:relative;padding-left:26px;color:var(--pg-text-2);font-size:15px}
.pg-check-list li::before{
  content:"";position:absolute;left:6px;top:9px;width:10px;height:6px;
  border-left:2px solid var(--pg-accent);border-bottom:2px solid var(--pg-accent);
  transform:rotate(-45deg)
}
.pg-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--pg-accent)}
.pg-link span{transition:transform .2s var(--pg-ease)}
.pg-link:hover span{transform:translateX(4px)}

/* ---------- Steps ---------- */
.pg-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative}
.pg-step{position:relative;padding:28px 22px 24px;border-left:1px solid var(--pg-line)}
.pg-step:last-child{border-right:1px solid var(--pg-line)}
.pg-step::before{
  content:"";position:absolute;left:-4px;top:0;width:7px;height:7px;border-radius:50%;
  background:var(--pg-accent);box-shadow:0 0 10px rgba(43,227,192,.65)
}
.pg-step-num{
  display:block;font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:13px;letter-spacing:.1em;color:var(--pg-accent-2);margin-bottom:10px
}
.pg-step h3{font-size:18px;line-height:1.4;margin-bottom:8px}
.pg-step p{font-size:14px;color:var(--pg-text-2);margin:0}

/* ---------- FAQ ---------- */
.pg-faq{display:flex;flex-direction:column;gap:14px}
.pg-faq-item{
  border-radius:var(--pg-radius-card);border:1px solid var(--pg-line);
  background:var(--pg-surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);overflow:hidden;
  transition:border-color .2s var(--pg-ease)
}
.pg-faq-item:hover{border-color:var(--pg-line-strong)}
.pg-faq-btn{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:22px 24px;background:transparent;border:0;color:var(--pg-text-1);
  font-size:18px;font-weight:600;line-height:1.5;cursor:pointer;
  transition:color .2s var(--pg-ease)
}
.pg-faq-btn:not(.collapsed){color:var(--pg-accent)}
.pg-faq-icon{position:relative;width:22px;height:22px;flex:0 0 22px;margin-left:auto}
.pg-faq-icon::before,.pg-faq-icon::after{
  content:"";position:absolute;background:var(--pg-accent);border-radius:2px;
  transition:transform .2s var(--pg-ease),background .2s var(--pg-ease)
}
.pg-faq-icon::before{left:10px;top:4px;width:2px;height:14px}
.pg-faq-icon::after{top:10px;left:4px;height:2px;width:14px}
.pg-faq-btn:not(.collapsed) .pg-faq-icon::before{transform:scaleY(0)}
.pg-faq-body{padding:0 24px 22px;color:var(--pg-text-2);font-size:15px;line-height:1.85}
.pg-faq-item.is-open{border-color:var(--pg-line-strong);box-shadow:var(--pg-shadow-card)}
.pg-faq-item.is-open .pg-faq-btn{box-shadow:inset 3px 0 0 var(--pg-accent)}

/* ---------- CTA bar ---------- */
.pg-cta-section{padding:0 0 96px}
.pg-cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:32px 36px;border-radius:var(--pg-radius-card);
  border:1px solid var(--pg-line-strong);
  background:linear-gradient(120deg,rgba(43,227,192,.12),rgba(74,125,255,.08) 60%,rgba(255,255,255,.04));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--pg-shadow-card)
}
.pg-cta-bar h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;margin-bottom:8px}
.pg-cta-bar p{color:var(--pg-text-2);font-size:15px;margin:0}
.pg-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- News mini list ---------- */
.pg-news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pg-news-item{
  display:flex;gap:16px;padding:20px;border-radius:var(--pg-radius-card);
  border:1px solid var(--pg-line);background:var(--pg-surface);
  transition:transform .2s var(--pg-ease),border-color .2s var(--pg-ease)
}
.pg-news-item:hover{transform:translateY(-2px);border-color:var(--pg-line-strong)}
.pg-news-thumb{
  width:84px;height:64px;flex:0 0 84px;border-radius:var(--pg-radius-sm);
  overflow:hidden;border:1px solid var(--pg-line)
}
.pg-news-thumb img{width:100%;height:100%;object-fit:cover}
.pg-news-body h3{font-size:16px;line-height:1.45;margin-bottom:6px}
.pg-news-body h3 a{color:var(--pg-text-1)}
.pg-news-body h3 a:hover{color:var(--pg-accent)}
.pg-news-meta{font-size:13px;color:var(--pg-text-3);display:flex;gap:10px;align-items:center}

/* ---------- Footer ---------- */
.pg-footer{
  border-top:1px solid var(--pg-line);
  background:linear-gradient(180deg,rgba(10,27,36,.7),rgba(5,18,26,.95));
  padding:64px 0 28px;margin-top:0
}
.pg-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.pg-footer-brand{margin-bottom:16px}
.pg-footer p{color:var(--pg-text-3);font-size:14px;line-height:1.8}
.pg-footer h3{font-size:15px;margin-bottom:16px;color:var(--pg-text-1)}
.pg-footer ul{display:flex;flex-direction:column;gap:10px}
.pg-footer ul a{color:var(--pg-text-2);font-size:14px}
.pg-footer ul a:hover{color:var(--pg-accent)}
.pg-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--pg-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--pg-text-3)
}

/* ---------- Mobile tab bar ---------- */
.pg-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(5,18,26,.96);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--pg-line)
}
.pg-tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr)}
.pg-tab{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:56px;font-size:10px;color:var(--pg-text-3)
}
.pg-tab svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pg-tab.is-active{color:var(--pg-accent);text-shadow:0 0 10px rgba(43,227,192,.5)}
.pg-tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:999px;background:var(--pg-accent);
  box-shadow:0 0 10px rgba(43,227,192,.7)
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .pg-step{padding:24px 18px 20px}
}
@media (max-width:991.98px){
  .pg-nav-links,.pg-nav-actions .pg-btn{display:none}
  .pg-icon-btn{display:inline-flex}
  .pg-hero{min-height:auto;padding:52px 0 52px}
  .pg-section{padding:72px 0}
  .pg-section-tight{padding:56px 0}
  .pg-cta-section{padding:0 0 72px}
  .pg-steps{grid-template-columns:1fr;gap:0}
  .pg-step{border-left:1px solid var(--pg-line);border-right:0;padding:20px 0 20px 26px}
  .pg-step:last-child{border-right:0}
  .pg-step::before{top:26px}
  .pg-news-list{grid-template-columns:1fr 1fr}
  .pg-footer-grid{grid-template-columns:1fr 1fr}
  .pg-tabbar{display:block}
  body{padding-bottom:76px}
  .pg-footer{padding-bottom:88px}
}
@media (max-width:767.98px){
  .pg-container{padding:0 18px}
  .pg-module{grid-template-columns:1fr;gap:22px}
  .pg-module--reverse .pg-module-media{order:0}
  .pg-module-media{aspect-ratio:16/10}
  .pg-news-list{grid-template-columns:1fr}
  .pg-cta-bar{padding:24px 20px}
  .pg-cta-actions{width:100%}
  .pg-cta-actions .pg-btn{flex:1 1 auto}
  .pg-footer-grid{grid-template-columns:1fr;gap:28px}
  .pg-hero-actions{width:100%}
  .pg-hero-actions .pg-btn{flex:1 1 auto}
}
@media (max-width:575.98px){
  .pg-brand-sub{display:none}
  .pg-faq-btn{font-size:16px;padding:18px}
  .pg-faq-body{padding:0 18px 18px}
  .pg-news-item{flex-direction:column}
  .pg-news-thumb{width:100%;height:150px;flex:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
:root{
  --pg-bg-900:#05121A;
  --pg-bg-800:#0A1B24;
  --pg-surface:rgba(255,255,255,.055);
  --pg-surface-2:rgba(255,255,255,.09);
  --pg-line:rgba(255,255,255,.12);
  --pg-line-strong:rgba(43,227,192,.38);
  --pg-accent:#2BE3C0;
  --pg-accent-2:#FFB547;
  --pg-primary:#4A7DFF;
  --pg-text-1:#EAF3F9;
  --pg-text-2:#A7BCC9;
  --pg-text-3:#6E8898;
  --pg-on-accent:#04161A;
  --pg-radius:14px;
  --pg-radius-sm:10px;
  --pg-shadow:0 12px 32px rgba(0,0,0,.35);
  --pg-glow:0 0 0 1px rgba(43,227,192,.45),0 8px 26px rgba(43,227,192,.26);
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#05121A;
  --bs-body-color:#EAF3F9;
  --bs-primary-rgb:43,227,192;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-link-color:#2BE3C0;
  --bs-link-hover-color:#7FF0DC;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --pg-mono:ui-monospace,"JetBrains Mono",Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--pg-text-1);
  background:
    linear-gradient(180deg,#05121A 0%,#0A1B24 100%) fixed,
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/100% 44px,
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/44px 100%;
  background-color:var(--pg-bg-900);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--pg-accent);text-decoration:none;transition:color .2s var(--pg-ease)}
a:hover{color:#7FF0DC}
h1,h2,h3,h4{margin:0;color:var(--pg-text-1);letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--pg-accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(43,227,192,.28)}

.pg-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.pg-section{padding:96px 0}
.pg-section-tight{padding:64px 0}
.pg-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--pg-accent);
  text-transform:uppercase;margin-bottom:14px;
}
.pg-h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;margin-bottom:14px}
.pg-lead{color:var(--pg-text-2);font-size:16px;max-width:720px}

/* ---------- header ---------- */
.pg-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,18,26,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--pg-line);
  transition:background .2s var(--pg-ease),box-shadow .2s var(--pg-ease);
}
.pg-header.is-scrolled{background:rgba(5,18,26,.92);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.pg-nav{display:flex;align-items:center;gap:24px;height:64px}
.pg-brand{display:flex;align-items:center;gap:10px;color:var(--pg-text-1);flex:0 0 auto}
.pg-brand:hover{color:var(--pg-text-1)}
.pg-brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-family:var(--pg-mono);font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--pg-on-accent);
  background:linear-gradient(140deg,#2BE3C0,#4A7DFF);
  box-shadow:0 0 0 1px rgba(43,227,192,.35);
}
.pg-brand-text{display:flex;flex-direction:column;line-height:1.2}
.pg-brand-name{font-size:16px;font-weight:700}
.pg-brand-sub{font-size:11px;color:var(--pg-text-3);letter-spacing:.04em}
.pg-nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.pg-nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--pg-text-2);border-radius:8px;
}
.pg-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(43,227,192,0),rgba(43,227,192,.9),rgba(43,227,192,0));
  opacity:0;transition:opacity .2s var(--pg-ease);
}
.pg-nav-link:hover{color:var(--pg-accent)}
.pg-nav-link:hover::after{opacity:.6}
.pg-nav-link.is-active{color:var(--pg-text-1)}
.pg-nav-link.is-active::after{opacity:1}
.pg-nav-actions{margin-left:8px}

/* ---------- buttons ---------- */
.pg-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 20px;border-radius:var(--pg-radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .2s var(--pg-ease);
}
.pg-btn-primary{
  background:var(--pg-accent);color:var(--pg-on-accent);
  box-shadow:var(--pg-glow);
}
.pg-btn-primary:hover{background:#45EBCB;color:var(--pg-on-accent);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,227,192,.5),0 10px 34px rgba(43,227,192,.34)}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,192,.4),0 6px 16px rgba(43,227,192,.2)}
.pg-btn-ghost{
  background:transparent;border-color:var(--pg-line);color:var(--pg-text-1);
}
.pg-btn-ghost:hover{border-color:var(--pg-line-strong);background:var(--pg-surface-2);color:var(--pg-text-1)}
.pg-btn-sm{min-height:38px;padding:9px 16px;font-size:14px}
.pg-btn[disabled],.pg-btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- badge / meta ---------- */
.pg-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;letter-spacing:.02em;
  background:var(--pg-surface-2);border:1px solid var(--pg-line);color:var(--pg-text-2);
}
.pg-badge-accent{color:var(--pg-accent);border-color:var(--pg-line-strong);background:rgba(43,227,192,.08)}
.pg-badge-gold{color:var(--pg-accent-2);border-color:rgba(255,181,71,.35);background:rgba(255,181,71,.08)}

/* ---------- article head ---------- */
.pg-art-head{
  position:relative;padding:56px 0 48px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(5,18,26,.9),rgba(5,18,26,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
  border-bottom:1px solid var(--pg-line);
}
.pg-art-head::after{
  content:"";position:absolute;right:-120px;top:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,227,192,.18),transparent 68%);
  pointer-events:none;
}
.pg-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--pg-text-3);margin-bottom:20px}
.pg-crumbs a{color:var(--pg-text-2)}
.pg-crumbs a:hover{color:var(--pg-accent)}
.pg-crumbs .sep{color:var(--pg-text-3);opacity:.6}
.pg-crumbs .now{color:var(--pg-text-3);max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pg-art-title{font-size:clamp(28px,3.8vw,46px);line-height:1.2;margin:16px 0 18px;max-width:900px}
.pg-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--pg-text-3)}
.pg-meta i{font-style:normal;color:var(--pg-text-3)}

/* ---------- layout ---------- */
.pg-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start;padding:72px 0 24px}
.pg-article-wrap{min-width:0}
.pg-cover{margin:0 0 32px;border:1px solid var(--pg-line);border-radius:var(--pg-radius)}
.pg-cover figcaption{font-size:13px;color:var(--pg-text-3);text-align:center;padding:10px 8px 0}

/* ---------- prose ---------- */
.pg-prose{max-width:820px;font-size:17.5px;line-height:1.9;color:#D6E4EE}
.pg-prose p{margin:0 0 1em}
.pg-prose h2{
  font-size:clamp(22px,2.2vw,28px);line-height:1.35;margin:2.2em 0 .7em;padding-left:14px;position:relative;
}
.pg-prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;
  background:var(--pg-accent);box-shadow:0 0 10px rgba(43,227,192,.5);
}
.pg-prose h3{font-size:20px;line-height:1.4;margin:1.7em 0 .6em;font-weight:600}
.pg-prose ul,.pg-prose ol{margin:0 0 1.2em;padding-left:2px}
.pg-prose ul li,.pg-prose ol li{position:relative;padding-left:22px;margin-bottom:6px;line-height:1.85}
.pg-prose ul li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--pg-accent)}
.pg-prose ol{counter-reset:pg-ol}
.pg-prose ol li{counter-increment:pg-ol}
.pg-prose ol li::before{
  content:counter(pg-ol);position:absolute;left:0;top:.34em;font-family:var(--pg-mono);font-size:13px;color:var(--pg-accent);
}
.pg-prose blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--pg-accent);
  background:var(--pg-surface);border-radius:0 var(--pg-radius) var(--pg-radius) 0;color:var(--pg-text-2);
}
.pg-prose blockquote p:last-child{margin-bottom:0}
.pg-prose img{margin:1.6em 0;border:1px solid var(--pg-line);border-radius:12px;width:100%}
.pg-prose figure{margin:1.6em 0}
.pg-prose figcaption{font-size:13px;color:var(--pg-text-3);text-align:center;margin-top:8px}
.pg-prose a{color:var(--pg-accent);text-decoration:none;border-bottom:1px solid rgba(43,227,192,.35)}
.pg-prose a:hover{border-bottom-color:var(--pg-accent)}
.pg-prose strong{color:#FFFFFF;font-weight:600}
.pg-prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;display:block;overflow-x:auto;white-space:nowrap}
.pg-prose th,.pg-prose td{border:1px solid var(--pg-line);padding:10px 14px;text-align:left;white-space:normal}
.pg-prose th{background:var(--pg-surface-2);font-weight:600;color:var(--pg-text-1)}
.pg-prose hr{border:0;border-top:1px solid var(--pg-line);margin:2.2em 0}

.pg-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--pg-line)}
.pg-share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.pg-share span{font-size:13px;color:var(--pg-text-3);margin-right:4px}
.pg-share-btn{
  display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:8px 14px;border-radius:999px;
  font-size:13px;color:var(--pg-text-2);background:var(--pg-surface);border:1px solid var(--pg-line);
  transition:all .2s var(--pg-ease);
}
.pg-share-btn:hover{color:var(--pg-accent);border-color:var(--pg-line-strong);transform:translateY(-1px)}
.pg-back-row{margin-top:32px}

/* ---------- empty ---------- */
.pg-empty{
  display:flex;flex-direction:column;align-items:flex-start;gap:12px;
  min-height:200px;justify-content:center;padding:32px;border-radius:var(--pg-radius);
  background:var(--pg-surface);border:1px solid var(--pg-line);box-shadow:var(--pg-shadow);
}
.pg-empty svg{width:26px;height:26px;stroke:var(--pg-accent)}
.pg-empty h3{font-size:19px}
.pg-empty p{color:var(--pg-text-2);margin:0}

/* ---------- sidebar ---------- */
.pg-sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.pg-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--pg-radius);
  box-shadow:var(--pg-shadow),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:22px;transition:all .2s var(--pg-ease);
}
.pg-card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.pg-card-h h3{font-size:17px}
.pg-side-list li{border-bottom:1px solid var(--pg-line)}
.pg-side-list li:last-child{border-bottom:0}
.pg-side-list a{display:block;padding:12px 0;font-size:14.5px;color:var(--pg-text-2);line-height:1.5}
.pg-side-list a:hover{color:var(--pg-accent)}
.pg-side-time{display:block;font-size:12px;color:var(--pg-text-3);margin-top:4px}
.pg-tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.pg-tag-cloud a{
  font-size:13px;padding:6px 12px;border-radius:999px;color:var(--pg-text-2);
  border:1px solid var(--pg-line);background:var(--pg-surface-2);
}
.pg-tag-cloud a:hover{color:var(--pg-accent);border-color:var(--pg-line-strong)}
.pg-side-cta{text-align:left}
.pg-side-cta h3{font-size:18px;margin-bottom:8px}
.pg-side-cta p{font-size:14.5px;color:var(--pg-text-2);margin-bottom:16px}

/* ---------- related ---------- */
.pg-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pg-rel-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.pg-rel-card img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:0;border-bottom:1px solid var(--pg-line)}
.pg-rel-body{padding:18px 20px 22px}
.pg-rel-body h3{font-size:17px;line-height:1.45;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pg-rel-body p{font-size:14px;color:var(--pg-text-2);margin:0 0 14px}
.pg-rel-card:hover{transform:translateY(-2px);border-color:var(--pg-line-strong)}
.pg-link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--pg-accent)}
.pg-link-more svg{transition:transform .2s var(--pg-ease)}
.pg-link-more:hover svg{transform:translateX(4px)}

/* ---------- faq ---------- */
.pg-faq-list{display:flex;flex-direction:column;border-radius:var(--pg-radius);overflow:hidden;border:1px solid var(--pg-line);background:var(--pg-surface)}
.pg-faq-item{border-bottom:1px solid var(--pg-line)}
.pg-faq-item:last-child{border-bottom:0}
.pg-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;color:var(--pg-text-1);
  font-size:17px;font-weight:600;line-height:1.5;cursor:pointer;transition:color .2s var(--pg-ease);
}
.pg-faq-q:hover{color:var(--pg-accent)}
.pg-faq-q .ico{flex:0 0 auto;width:22px;height:22px;position:relative}
.pg-faq-q .ico::before,.pg-faq-q .ico::after{content:"";position:absolute;background:var(--pg-text-2);border-radius:2px;transition:all .2s var(--pg-ease)}
.pg-faq-q .ico::before{left:0;right:0;top:10px;height:2px}
.pg-faq-q .ico::after{top:0;bottom:0;left:10px;width:2px}
.pg-faq-q[aria-expanded="true"]{color:var(--pg-accent)}
.pg-faq-q[aria-expanded="true"] .ico::after{opacity:0}
.pg-faq-a{padding:0 22px 22px;font-size:16px;line-height:1.8;color:var(--pg-text-2);border-left:3px solid transparent}
.pg-faq-item.is-open .pg-faq-a{border-left-color:var(--pg-accent);box-shadow:inset 3px 0 0 -1px rgba(43,227,192,.4)}

/* ---------- cta ---------- */
.pg-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:32px;border-radius:var(--pg-radius);
  background:linear-gradient(90deg,rgba(43,227,192,.10),rgba(74,125,255,.08));
  border:1px solid var(--pg-line-strong);box-shadow:var(--pg-shadow);
}
.pg-cta h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.pg-cta p{color:var(--pg-text-2);margin:0;font-size:15px}

/* ---------- footer ---------- */
.pg-footer{border-top:1px solid var(--pg-line);background:rgba(5,18,26,.7);margin-top:96px}
.pg-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:56px 0 36px}
.pg-footer-brand{margin-bottom:14px}
.pg-footer p{color:var(--pg-text-2);font-size:14px;max-width:340px}
.pg-footer h3{font-size:15px;margin-bottom:14px;color:var(--pg-text-1)}
.pg-footer ul li{margin-bottom:10px}
.pg-footer ul a{color:var(--pg-text-2);font-size:14px}
.pg-footer ul a:hover{color:var(--pg-accent)}
.pg-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:18px 0 22px;border-top:1px solid var(--pg-line);font-size:13px;color:var(--pg-text-3);
}

/* ---------- mobile tabbar ---------- */
.pg-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(5,18,26,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--pg-line);padding-bottom:env(safe-area-inset-bottom);
}
.pg-tab{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:10px;color:var(--pg-text-3);position:relative;
}
.pg-tab svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pg-tab::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:transparent}
.pg-tab.is-active{color:var(--pg-accent);text-shadow:0 0 10px rgba(43,227,192,.5)}
.pg-tab.is-active::before{background:var(--pg-accent);box-shadow:0 0 10px rgba(43,227,192,.6)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#05121A}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:8px;border:2px solid #05121A}
::-webkit-scrollbar-thumb:hover{background:rgba(43,227,192,.4)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .pg-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
}
@media (max-width:991.98px){
  .pg-nav-links{display:none}
  .pg-nav-actions{margin-left:auto}
  .pg-nav-actions .pg-btn{display:none}
  .pg-layout{grid-template-columns:1fr;padding:48px 0 16px}
  .pg-sidebar{position:static;flex-direction:column}
  .pg-tabbar{display:flex}
  body{padding-bottom:76px}
  .pg-section{padding:72px 0}
  .pg-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pg-footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 28px}
}
@media (max-width:767.98px){
  .pg-container{padding:0 18px}
  .pg-section{padding:56px 0}
  .pg-art-head{padding:40px 0 34px}
  .pg-prose{font-size:17px}
  .pg-grid-3{grid-template-columns:1fr}
  .pg-footer-grid{grid-template-columns:1fr}
  .pg-footer{margin-top:64px}
  .pg-cta{padding:24px}
  .pg-cta .pg-btn{width:100%}
  .pg-meta{gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category2 */
:root{
  --pg-bg-900:#05121A;
  --pg-bg-800:#0A1B24;
  --pg-surface:rgba(255,255,255,.055);
  --pg-surface-2:rgba(255,255,255,.09);
  --pg-line:rgba(255,255,255,.12);
  --pg-line-strong:rgba(43,227,192,.38);
  --pg-accent:#2BE3C0;
  --pg-accent-2:#FFB547;
  --pg-primary:#4A7DFF;
  --pg-text-1:#EAF3F9;
  --pg-text-2:#A7BCC9;
  --pg-text-3:#6E8898;
  --pg-ink:#04161A;
  --pg-radius-card:14px;
  --pg-radius-sm:10px;
  --pg-shadow-card:0 12px 32px rgba(0,0,0,.35);
  --pg-shadow-glow:0 8px 26px rgba(43,227,192,.26);
  --pg-ease:cubic-bezier(.2,.7,.3,1);
  --pg-gap-section:104px;

  --bs-body-bg:#05121A;
  --bs-body-color:#EAF3F9;
  --bs-primary-rgb:43,227,192;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-link-color:#2BE3C0;
  --bs-link-hover-color:#7CF3DE;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-accordion-bg:transparent;
  --bs-accordion-color:#EAF3F9;
  --bs-accordion-border-color:rgba(255,255,255,.12);
  --bs-accordion-btn-color:#EAF3F9;
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-color:#2BE3C0;
  --bs-accordion-active-bg:rgba(255,255,255,.05);
  --bs-accordion-btn-focus-box-shadow:none;
}

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

html{scroll-behavior:smooth}

body{
  margin:0;
  background:linear-gradient(180deg,var(--pg-bg-900) 0%,var(--pg-bg-800) 100%);
  background-attachment:fixed;
  color:var(--pg-text-1);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
}

img{max-width:100%;display:block}
a{color:var(--pg-accent);text-decoration:none;transition:color 200ms var(--pg-ease)}
a:hover{color:#7CF3DE}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--pg-text-1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}

::selection{background:rgba(43,227,192,.28);color:#fff}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(43,227,192,.35)}

:focus-visible{outline:2px solid var(--pg-accent);outline-offset:3px;border-radius:6px}

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

.pg-section{padding:var(--pg-gap-section) 0;position:relative}
.pg-section--tight{padding:72px 0}
.pg-section--alt{background:rgba(255,255,255,.018);border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line)}

.pg-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--pg-accent);
  text-transform:uppercase;
  margin-bottom:18px;
}
.pg-eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--pg-accent),transparent);
}

.pg-section-head{max-width:720px;margin-bottom:52px}
.pg-section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px}
.pg-section-head p{color:var(--pg-text-2);max-width:640px}

/* ---------- 顶部导航 ---------- */
.pg-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(5,18,26,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background 200ms var(--pg-ease),border-color 200ms var(--pg-ease);
}
.pg-header.is-scrolled{
  background:rgba(5,18,26,.92);
  border-bottom-color:var(--pg-line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.pg-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  height:64px;
}
.pg-brand{display:flex;align-items:center;gap:12px;color:var(--pg-text-1)}
.pg-brand:hover{color:var(--pg-text-1)}
.pg-brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,rgba(43,227,192,.9),rgba(74,125,255,.75));
  color:var(--pg-ink);
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-weight:700;font-size:15px;
  letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(43,227,192,.35),0 8px 22px rgba(43,227,192,.2);
}
.pg-brand-text{display:flex;flex-direction:column;line-height:1.25}
.pg-brand-name{font-size:16px;font-weight:700;letter-spacing:.01em}
.pg-brand-sub{font-size:12px;color:var(--pg-text-3);letter-spacing:.05em}

.pg-nav-links{display:flex;align-items:center;gap:6px;margin:0}
.pg-nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--pg-text-2);
  position:relative;
  transition:color 200ms var(--pg-ease),background 200ms var(--pg-ease);
}
.pg-nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--pg-accent),rgba(43,227,192,0));
  opacity:0;
  transform:scaleX(.4);
  transition:opacity 220ms var(--pg-ease),transform 220ms var(--pg-ease);
}
.pg-nav-link:hover{color:var(--pg-accent);background:var(--pg-surface)}
.pg-nav-link:hover::after{opacity:.7;transform:scaleX(1)}
.pg-nav-link.is-active{color:var(--pg-text-1)}
.pg-nav-link.is-active::after{opacity:1;transform:scaleX(1)}

.pg-nav-actions{display:flex;align-items:center;gap:12px}

/* ---------- 按钮 ---------- */
.pg-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform 200ms var(--pg-ease),background 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease),border-color 200ms var(--pg-ease),color 200ms var(--pg-ease);
}
.pg-btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.pg-btn-primary{
  background:var(--pg-accent);
  color:var(--pg-ink);
  box-shadow:0 0 0 1px rgba(43,227,192,.45),var(--pg-shadow-glow);
}
.pg-btn-primary:hover{
  background:#4CEACD;
  color:var(--pg-ink);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,227,192,.55),0 10px 34px rgba(43,227,192,.34);
}
.pg-btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,192,.5),0 4px 14px rgba(43,227,192,.24)}
.pg-btn-primary:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.pg-btn-ghost{
  background:transparent;
  border-color:var(--pg-line);
  color:var(--pg-text-1);
}
.pg-btn-ghost:hover{
  border-color:var(--pg-line-strong);
  background:var(--pg-surface-2);
  color:var(--pg-text-1);
  transform:translateY(-1px);
}
.pg-btn-ghost:active{transform:translateY(0)}

.pg-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--pg-accent);
}
.pg-link span{transition:transform 200ms var(--pg-ease)}
.pg-link:hover span{transform:translateX(4px)}

/* ---------- 玻璃卡 ---------- */
.pg-glass{
  background:var(--pg-surface);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);
  box-shadow:var(--pg-shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
}

.pg-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--pg-accent);
  background:rgba(43,227,192,.1);
  border:1px solid rgba(43,227,192,.28);
}
.pg-badge--amber{
  color:var(--pg-accent-2);
  background:rgba(255,181,71,.1);
  border-color:rgba(255,181,71,.3);
}

/* ---------- 面包屑 ---------- */
.pg-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--pg-text-3);
  margin-bottom:22px;
}
.pg-breadcrumb a{color:var(--pg-text-2)}
.pg-breadcrumb a:hover{color:var(--pg-accent)}
.pg-breadcrumb .sep{color:var(--pg-text-3);opacity:.6}
.pg-breadcrumb .current{color:var(--pg-text-1)}

/* ---------- 分类 Hero ---------- */
.pg-cat-hero{
  position:relative;
  padding:64px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--pg-line);
}
.pg-cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center 30%;
  filter:saturate(.85);
}
.pg-cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg,rgba(5,18,26,.94) 0%,rgba(5,18,26,.82) 46%,rgba(5,18,26,.72) 100%),
    radial-gradient(480px 480px at 82% 18%,rgba(43,227,192,.18),transparent 70%);
}
.pg-cat-hero .pg-container{position:relative;z-index:2}

.pg-hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:56px;
  align-items:center;
}
.pg-hero-copy h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.18;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.pg-hero-copy .pg-hero-sub{
  font-size:17px;
  color:var(--pg-text-2);
  max-width:520px;
  margin-bottom:32px;
}
.pg-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}

.pg-hero-figure{position:relative}
.pg-hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--pg-line);
  box-shadow:var(--pg-shadow-card);
}
.pg-hero-chip{
  position:absolute;
  padding:12px 16px;
  border-radius:12px;
  background:rgba(10,27,36,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--pg-line-strong);
  box-shadow:0 12px 30px rgba(0,0,0,.45);
  min-width:132px;
}
.pg-hero-chip .num{
  display:block;
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:22px;
  font-weight:700;
  color:var(--pg-text-1);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.pg-hero-chip .label{font-size:12.5px;color:var(--pg-text-3)}
.pg-hero-chip--a{left:-22px;bottom:52px}
.pg-hero-chip--b{right:-16px;top:44px}

/* ---------- 筛选标签 ---------- */
.pg-filter{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  margin-bottom:40px;
  scrollbar-width:none;
}
.pg-filter::-webkit-scrollbar{display:none}
.pg-pill{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--pg-line);
  background:transparent;
  color:var(--pg-text-2);
  font-size:14px;
  white-space:nowrap;
  cursor:pointer;
  transition:color 200ms var(--pg-ease),border-color 200ms var(--pg-ease),background 200ms var(--pg-ease),transform 200ms var(--pg-ease);
}
.pg-pill:hover{color:var(--pg-text-1);border-color:var(--pg-line-strong);background:var(--pg-surface);transform:translateY(-1px)}
.pg-pill.is-active{
  background:var(--pg-accent);
  border-color:var(--pg-accent);
  color:var(--pg-ink);
  font-weight:600;
  box-shadow:0 0 0 1px rgba(43,227,192,.4),0 8px 22px rgba(43,227,192,.22);
}

/* ---------- 案例卡片 ---------- */
.pg-case-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--pg-surface);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius-card);
  box-shadow:var(--pg-shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:transform 200ms var(--pg-ease),border-color 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease);
}
.pg-case-card:hover{
  transform:translateY(-2px);
  border-color:var(--pg-line-strong);
  box-shadow:0 18px 40px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.1);
}
.pg-case-media{position:relative;overflow:hidden}
.pg-case-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform 400ms var(--pg-ease);
}
.pg-case-card:hover .pg-case-media img{transform:scale(1.03)}
.pg-case-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.pg-case-body h3{font-size:20px;line-height:1.42}
.pg-case-body p{color:var(--pg-text-2);font-size:15px}
.pg-case-body .pg-link{margin-top:auto;padding-top:8px}

.pg-case-card--wide{flex-direction:row}
.pg-case-card--wide .pg-case-media{flex:1 1 46%;min-height:100%}
.pg-case-card--wide .pg-case-media img{height:100%;aspect-ratio:auto;min-height:320px}
.pg-case-card--wide .pg-case-body{flex:1 1 54%;padding:32px}
.pg-case-card--wide .pg-case-body h3{font-size:24px}

.pg-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  padding:16px 0 4px;
  border-top:1px solid var(--pg-line);
}
.pg-metrics li{display:flex;flex-direction:column;gap:2px}
.pg-metric-num{
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:22px;
  font-weight:700;
  color:var(--pg-text-1);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.pg-metric-label{font-size:12.5px;color:var(--pg-text-3)}

/* ---------- 数据条 ---------- */
.pg-stat-band{
  border-top:1px solid var(--pg-line-strong);
  border-bottom:1px solid var(--pg-line);
  background:rgba(255,255,255,.022);
}
.pg-stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.pg-stat{
  padding:40px 28px;
  border-left:1px solid var(--pg-line);
}
.pg-stat:first-child{border-left:none}
.pg-stat .num{
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:clamp(28px,3.2vw,40px);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  color:var(--pg-text-1);
}
.pg-stat .num small{font-size:16px;color:var(--pg-text-3);margin-left:4px;font-weight:600}
.pg-stat .desc{margin-top:10px;font-size:14px;color:var(--pg-text-2);line-height:1.7}

/* ---------- 时间线 ---------- */
.pg-timeline{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  position:relative;
  margin-top:12px;
}
.pg-timeline::before{
  content:"";
  position:absolute;
  left:0;right:0;top:19px;
  height:1px;
  background:linear-gradient(90deg,var(--pg-accent),rgba(74,125,255,.4),rgba(255,255,255,.08));
}
.pg-step{padding-right:20px;position:relative}
.pg-step .dot{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(10,27,36,.95);
  border:1px solid var(--pg-line-strong);
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:14px;
  font-weight:700;
  color:var(--pg-accent);
  position:relative;
  z-index:1;
  box-shadow:0 0 0 6px rgba(5,18,26,.9);
}
.pg-step h3{font-size:17px;margin:18px 0 8px}
.pg-step p{font-size:14px;color:var(--pg-text-2);line-height:1.75}

/* ---------- 客户侧写 ---------- */
.pg-quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pg-quote{
  padding:30px 26px 26px;
  position:relative;
}
.pg-quote::before{
  content:"“";
  position:absolute;
  top:6px;left:20px;
  font-size:56px;
  line-height:1;
  color:rgba(43,227,192,.22);
  font-family:Georgia,serif;
}
.pg-quote p{margin-top:18px;font-size:15px;color:var(--pg-text-1);line-height:1.85}
.pg-quote .who{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--pg-line);
  font-size:13px;
  color:var(--pg-text-3);
}

/* ---------- 平台更新 mini 列表 ---------- */
.pg-mini-list{display:flex;flex-direction:column}
.pg-mini{
  display:flex;
  align-items:center;
  gap:18px;
  padding:18px 4px;
  border-bottom:1px solid var(--pg-line);
  color:var(--pg-text-1);
  transition:padding-left 200ms var(--pg-ease),color 200ms var(--pg-ease);
}
.pg-mini:last-child{border-bottom:none}
.pg-mini:hover{padding-left:10px;color:var(--pg-accent)}
.pg-mini .idx{
  font-family:ui-monospace,"JetBrains Mono",Consolas,monospace;
  font-size:13px;
  color:var(--pg-text-3);
  flex:0 0 34px;
}
.pg-mini .txt{flex:1;font-size:15px}
.pg-mini .date{font-size:13px;color:var(--pg-text-3);flex:0 0 auto}

/* ---------- FAQ ---------- */
.pg-faq{border-radius:var(--pg-radius-card);overflow:hidden}
.pg-faq .accordion-item{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-bottom:none;
}
.pg-faq .accordion-item:first-of-type{border-radius:var(--pg-radius-card) var(--pg-radius-card) 0 0}
.pg-faq .accordion-item:last-of-type{border-bottom:1px solid var(--pg-line);border-radius:0 0 var(--pg-radius-card) var(--pg-radius-card)}
.pg-faq .accordion-button{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:22px 26px;
  font-size:17px;
  font-weight:600;
  color:var(--pg-text-1);
  background:transparent;
  box-shadow:none;
  border:none;
  position:relative;
  transition:color 200ms var(--pg-ease),background 200ms var(--pg-ease);
}
.pg-faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  background:var(--pg-accent);
  box-shadow:0 0 12px rgba(43,227,192,.6);
  opacity:0;
  transition:opacity 200ms var(--pg-ease);
}
.pg-faq .accordion-button:not(.collapsed){color:var(--pg-accent);background:var(--pg-surface-2)}
.pg-faq .accordion-button:not(.collapsed)::before{opacity:1}
.pg-faq .accordion-button:hover{background:var(--pg-surface-2)}
.pg-faq .accordion-button:focus{box-shadow:none;outline:none}
.pg-faq .accordion-button:focus-visible{outline:2px solid var(--pg-accent);outline-offset:-2px}
.pg-faq .accordion-body{
  padding:0 26px 24px 26px;
  font-size:15px;
  color:var(--pg-text-2);
  line-height:1.85;
  background:var(--pg-surface-2);
}
.pg-faq .accordion-collapse{border-top:1px solid var(--pg-line)}

.pg-faq-icon{
  position:relative;
  width:18px;height:18px;
  flex:0 0 18px;
  margin-left:auto;
}
.pg-faq-icon::before,
.pg-faq-icon::after{
  content:"";
  position:absolute;
  background:var(--pg-accent);
  border-radius:2px;
  transition:transform 200ms var(--pg-ease),opacity 200ms var(--pg-ease);
}
.pg-faq-icon::before{left:0;right:0;top:8px;height:2px}
.pg-faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.accordion-button:not(.collapsed) .pg-faq-icon::after{transform:scaleY(0);opacity:0}

/* ---------- CTA / 联系 ---------- */
.pg-cta-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 34px;
  border-left:3px solid var(--pg-accent);
}
.pg-cta-band h2{font-size:clamp(20px,2.1vw,26px);margin-bottom:8px}
.pg-cta-band p{color:var(--pg-text-2);font-size:15px}

.pg-form-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.pg-field{display:flex;flex-direction:column;gap:8px}
.pg-field--full{grid-column:1 / -1}
.pg-field label{font-size:13.5px;color:var(--pg-text-2);letter-spacing:.02em}
.pg-field input,
.pg-field select,
.pg-field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--pg-radius-sm);
  background:rgba(4,18,24,.55);
  border:1px solid var(--pg-line);
  color:var(--pg-text-1);
  font-size:15px;
  font-family:inherit;
  transition:border-color 200ms var(--pg-ease),box-shadow 200ms var(--pg-ease),background 200ms var(--pg-ease);
}
.pg-field textarea{min-height:120px;resize:vertical;line-height:1.75}
.pg-field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%23A7BCC9' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;
  background-position:right 16px center;
  padding-right:42px;
}
.pg-field input::placeholder,
.pg-field textarea::placeholder{color:var(--pg-text-3)}
.pg-field input:focus,
.pg-field select:focus,
.pg-field textarea:focus{
  outline:none;
  border-color:var(--pg-accent);
  background:rgba(4,18,24,.75);
  box-shadow:0 0 0 3px rgba(43,227,192,.14);
}
.pg-field.has-error input,
.pg-field.has-error select,
.pg-field.has-error textarea{
  border-color:var(--pg-accent-2);
  box-shadow:0 0 0 3px rgba(255,181,71,.12);
}
.pg-field .err{font-size:13px;color:var(--pg-accent-2);display:none}
.pg-field.has-error .err{display:block}
.pg-form-note{font-size:13px;color:var(--pg-text-3);margin-top:16px}
.pg-form-status{font-size:14px;color:var(--pg-accent);margin-top:14px;min-height:22px}

.pg-info-card{padding:32px 30px}
.pg-info-card h3{font-size:19px;margin-bottom:18px}
.pg-info-list{display:flex;flex-direction:column;gap:16px}
.pg-info-list li{display:flex;gap:12px;font-size:14.5px;color:var(--pg-text-2);line-height:1.75}
.pg-info-list li strong{color:var(--pg-text-1);font-weight:600;flex:0 0 auto}
.pg-dot{width:8px;height:8px;border-radius:50%;background:var(--pg-accent);box-shadow:0 0 10px rgba(43,227,192,.7);margin-top:9px;flex:0 0 8px}

/* ---------- 页脚 ---------- */
.pg-footer{
  border-top:1px solid var(--pg-line);
  background:rgba(4,14,20,.6);
  padding:64px 0 26px;
  margin-top:20px;
  position:relative;
  z-index:1;
}
.pg-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--pg-line);
}
.pg-footer-brand{margin-bottom:16px}
.pg-footer p{font-size:14px;color:var(--pg-text-3);line-height:1.8;max-width:320px}
.pg-footer h3{
  font-size:14px;
  color:var(--pg-text-1);
  margin-bottom:18px;
  letter-spacing:.04em;
}
.pg-footer ul{display:flex;flex-direction:column;gap:10px}
.pg-footer ul a{font-size:14px;color:var(--pg-text-2)}
.pg-footer ul a:hover{color:var(--pg-accent)}
.pg-footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:13px;
  color:var(--pg-text-3);
}

/* ---------- 移动端底部 Tab ---------- */
.pg-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:rgba(5,18,26,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--pg-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.pg-tabbar-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.pg-tab{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  height:56px;
  font-size:10px;
  color:var(--pg-text-3);
  position:relative;
  transition:color 200ms var(--pg-ease);
}
.pg-tab svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pg-tab::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:2px;
  border-radius:2px;
  background:var(--pg-accent);
  opacity:0;
  transition:opacity 200ms var(--pg-ease);
}
.pg-tab:hover{color:var(--pg-text-2)}
.pg-tab.is-active{color:var(--pg-accent);text-shadow:0 0 10px rgba(43,227,192,.5)}
.pg-tab.is-active svg{filter:drop-shadow(0 0 6px rgba(43,227,192,.5))}
.pg-tab.is-active::before{opacity:1}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--pg-gap-section:88px}
  .pg-hero-grid{gap:40px}
}

@media (max-width:991px){
  :root{--pg-gap-section:72px}
  .pg-nav-links{display:none}
  .pg-hero-grid{grid-template-columns:1fr;gap:40px}
  .pg-hero-chip--a{left:8px;bottom:16px}
  .pg-hero-chip--b{right:8px;top:16px}
  .pg-tabbar{display:block}
  body{padding-bottom:76px}
  .pg-stat-grid{grid-template-columns:repeat(2,1fr)}
  .pg-stat:nth-child(3){border-left:none}
  .pg-stat:nth-child(n+3){border-top:1px solid var(--pg-line)}
  .pg-timeline{grid-template-columns:repeat(2,1fr);gap:32px}
  .pg-timeline::before{display:none}
  .pg-step{padding-right:0}
  .pg-quote-grid{grid-template-columns:1fr}
  .pg-case-card--wide{flex-direction:column}
  .pg-case-card--wide .pg-case-media{flex:0 0 auto}
  .pg-case-card--wide .pg-case-media img{aspect-ratio:16/10;min-height:0;height:auto}
  .pg-case-card--wide .pg-case-body{padding:26px}
  .pg-footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}

@media (max-width:767px){
  :root{--pg-gap-section:56px}
  .pg-container{padding:0 18px}
  .pg-cat-hero{padding:40px 0 60px}
  .pg-hero-cta{width:100%}
  .pg-hero-cta .pg-btn{flex:1 1 100%}
  .pg-form-grid{grid-template-columns:1fr}
  .pg-stat-grid{grid-template-columns:1fr}
  .pg-stat{border-left:none;border-top:1px solid var(--pg-line);padding:28px 0}
  .pg-stat:first-child{border-top:none}
  .pg-timeline{grid-template-columns:1fr;gap:24px}
  .pg-cta-band{padding:24px}
  .pg-footer-grid{grid-template-columns:1fr;gap:26px}
  .pg-footer{padding:44px 0 22px}
  .pg-section-head{margin-bottom:34px}
  .pg-faq .accordion-button{padding:18px 18px;font-size:16px}
  .pg-faq .accordion-body{padding:0 18px 20px 18px}
  .pg-case-body{padding:20px}
  .pg-nav-actions .pg-btn{min-height:38px;padding:0 14px;font-size:13px}
}

@media (max-width:575px){
  .pg-brand-sub{display:none}
  .pg-hero-chip{position:static;margin-top:12px;display:inline-flex;gap:8px;align-items:baseline}
  .pg-hero-chip .num{font-size:18px}
  .pg-hero-figure{margin-top:8px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}