/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.075);
  --glass-border:rgba(255,255,255,.09);
  --brand:#23E0B0;
  --brand-2:#FF7A2F;
  --brand-3:#7FA8FF;
  --text-1:#EDF3FF;
  --text-2:#A3B2C9;
  --text-3:#6C7C96;
  --glow:0 0 0 1px rgba(35,224,176,.35), 0 8px 30px rgba(35,224,176,.22);
  --glow-strong:0 0 0 1px rgba(35,224,176,.5), 0 14px 40px rgba(35,224,176,.3);
  --card-shadow:0 12px 32px rgba(0,0,0,.45);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-hero:24px;
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.25;text-wrap:balance}
h1{font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(24px,3.4vw,36px)}
h3{font-size:20px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{color:var(--text-1);font-weight:600}
::selection{background:rgba(35,224,176,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container-narrow{max-width:800px;margin:0 auto;padding:0 24px}
.section{position:relative;padding:96px 0}
.section-alt{background:var(--bg-1)}
.section-alt::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 78%);
}
.section > .container{position:relative;z-index:1}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand);
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(35,224,176,.9)}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2BF0BE 0%,#16C79A 100%);
  color:#032018;
  box-shadow:0 0 0 1px rgba(35,224,176,.4),0 10px 26px rgba(35,224,176,.24),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-strong)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(35,224,176,.35),0 6px 16px rgba(35,224,176,.2)}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text-1);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,.085);border-color:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.btn-arrow svg{transition:transform .28s var(--ease)}
.btn-arrow:hover{color:#5cf2ca}
.btn-arrow:hover svg{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--brand);letter-spacing:.02em;
}
.badge-orange{color:var(--brand-2);border-color:rgba(255,122,47,.3);background:rgba(255,122,47,.08)}
.badge-plain{color:var(--text-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;
  background:rgba(6,10,20,.35);
  border-bottom:1px solid var(--glass-border);
  box-shadow:0 8px 24px rgba(0,0,0,.28);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(8,13,24,.92);
  box-shadow:0 12px 34px rgba(0,0,0,.55);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(35,224,176,.18),rgba(255,122,47,.16));
  border:1px solid rgba(35,224,176,.4);
  box-shadow:0 0 18px rgba(35,224,176,.2);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.01em}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:8px 0;min-height:44px;display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),rgba(35,224,176,.2));
  transition:width .28s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  color:var(--text-2);border:1px solid transparent;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--text-1);border-color:var(--glass-border)}
.icon-btn svg{width:18px;height:18px}
.search-box{position:relative;display:flex;align-items:center}
.search-form{
  width:0;opacity:0;overflow:hidden;
  transition:width .3s var(--ease),opacity .3s var(--ease),margin .3s var(--ease);
}
.search-box.is-open .search-form{width:210px;opacity:1;margin-right:8px}
.search-form input{
  width:100%;height:40px;padding:0 14px;border-radius:10px;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--text-1);font-size:14px;outline:none;
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{border-color:rgba(35,224,176,.65);box-shadow:0 0 0 3px rgba(35,224,176,.14)}
.menu-btn{display:none;width:44px;height:44px;border-radius:10px;place-items:center;color:var(--text-1);border:1px solid var(--glass-border);background:var(--glass)}
.menu-btn svg{width:20px;height:20px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:140;
  background:rgba(8,13,24,.97);border-left:1px solid var(--glass-border);
  backdrop-filter:blur(20px) saturate(150%);
  transform:translateX(100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;padding:24px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-links{display:flex;flex-direction:column;gap:6px;flex:1}
.drawer-links a{
  font-size:20px;font-weight:600;color:var(--text-1);
  padding:16px 12px;border-radius:12px;border:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--glass);border-color:var(--glass-border);color:var(--brand)}
.drawer-foot{border-top:1px solid var(--glass-border);padding-top:20px;margin-top:16px}
.drawer-foot p{font-size:13px;color:var(--text-3);margin-bottom:12px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:170px 0 96px;
  background:var(--bg-0);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.4}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 12% 18%,rgba(35,224,176,.16),transparent 62%),
    radial-gradient(700px 420px at 88% 78%,rgba(255,122,47,.12),transparent 66%),
    linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.86) 52%,var(--bg-0) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse at 40% 30%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 40% 30%,#000 10%,transparent 72%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:56px;align-items:start;
}
.hero-tag{margin-bottom:22px}
.hero h1{margin-bottom:22px}
.hero h1 span{color:var(--brand)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:640px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--glass-border);
}
.hero-trust li{
  display:flex;align-items:baseline;gap:8px;
  padding:0 24px;font-size:14px;color:var(--text-3);
  border-left:1px solid var(--glass-border);
}
.hero-trust li:first-child{padding-left:0;border-left:0}
.hero-trust li strong{font-size:18px;color:var(--text-1);font-variant-numeric:tabular-nums}
.hero-card{
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--glass-border);
  border-radius:var(--r-hero);
  padding:28px;
  box-shadow:var(--card-shadow);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  position:relative;overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;top:-40%;right:-30%;width:70%;height:80%;
  background:radial-gradient(circle,rgba(35,224,176,.24),transparent 68%);
  pointer-events:none;
}
.hero-card-head{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(35,224,176,.9)}
.hero-metric{display:flex;flex-direction:column;gap:4px;padding-bottom:22px;border-bottom:1px solid var(--glass-border);margin-bottom:22px}
.metric-num{font-size:44px;font-weight:800;color:var(--brand-2);line-height:1.1;font-variant-numeric:tabular-nums}
.metric-num .unit{font-size:16px;margin-left:4px;color:var(--text-2);font-weight:600}
.metric-label{font-size:13px;color:var(--text-3)}
.hero-list{display:flex;flex-direction:column;gap:14px}
.hero-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.hero-list li span{color:var(--text-3)}
.hero-list li strong{font-size:14px;color:var(--text-1);font-weight:600}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:start}
.pain-title h2{margin-bottom:18px}
.pain-title p{color:var(--text-2)}
.pain-list{display:flex;flex-direction:column;gap:28px}
.pain-item{display:flex;gap:18px;padding-bottom:26px;border-bottom:1px dashed rgba(255,255,255,.08)}
.pain-item:last-child{border-bottom:0;padding-bottom:0}
.pain-bar{width:3px;flex-shrink:0;border-radius:3px;background:linear-gradient(180deg,var(--brand-2),rgba(255,122,47,.15))}
.pain-item h3{font-size:17px;margin-bottom:6px}
.pain-item p{font-size:14.5px;color:var(--text-2)}

/* ---------- 解决方案 ---------- */
.solution-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:64px;align-items:start}
.solution-sticky{position:sticky;top:104px}
.solution-sticky h2{margin-bottom:18px}
.solution-sticky p{color:var(--text-2)}
.solution-steps{display:flex;flex-direction:column;gap:24px}
.step-card{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:22px;align-items:start;
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:var(--r-card);padding:26px;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:var(--card-shadow)}
.step-num{
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(35,224,176,.55);
  font-variant-numeric:tabular-nums;
}
.step-body h3{margin-bottom:8px}
.step-body p{font-size:14.5px;color:var(--text-2)}
.step-thumb{margin-top:18px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--glass-border)}
.step-thumb img{width:100%;height:190px;object-fit:cover;transition:transform .5s var(--ease)}
.step-card:hover .step-thumb img{transform:scale(1.03)}

/* ---------- 成果数据 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  padding:32px 0 52px;border-bottom:1px solid var(--glass-border);margin-bottom:52px;
}
.stat-item{display:flex;flex-direction:column;gap:8px}
.stat-item .num{font-size:clamp(30px,4vw,42px);font-weight:800;color:var(--brand-2);line-height:1.1}
.stat-item span{font-size:13.5px;color:var(--text-3)}
.bento{display:grid;grid-template-columns:1.5fr 1fr;grid-template-rows:auto auto;gap:24px}
.bento-card{
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-card);
  padding:28px;position:relative;overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:var(--card-shadow)}
.bento-card h3{margin-bottom:10px}
.bento-card p{font-size:14.5px;color:var(--text-2)}
.bento-large{grid-row:span 2;display:flex;flex-direction:column;gap:20px}
.bento-large .thumb{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--glass-border);flex:1}
.bento-large .thumb img{width:100%;height:100%;min-height:220px;object-fit:cover;transition:transform .5s var(--ease)}
.bento-large:hover .thumb img{transform:scale(1.03)}
.bento-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.bento-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.bento-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px;flex-shrink:0}

/* ---------- 客户证言 ---------- */
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.quote-card{
  background:var(--glass);border:1px solid var(--glass-border);border-left:3px solid var(--brand);
  border-radius:var(--r-card);padding:28px;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow)}
.quote-card:nth-child(2){margin-top:32px}
.quote-card:nth-child(4){margin-top:-16px}
.quote-mark{font-size:40px;line-height:1;color:rgba(35,224,176,.5);font-family:Georgia,serif;margin-bottom:12px}
.quote-card p{font-size:15px;color:var(--text-1);line-height:1.9}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--glass-border)}
.quote-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,rgba(35,224,176,.35),rgba(255,122,47,.3));display:grid;place-items:center;font-size:15px;font-weight:700;color:#05221b;flex-shrink:0}
.quote-meta strong{display:block;font-size:14.5px;color:var(--text-1)}
.quote-meta span{font-size:13px;color:var(--text-3)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:var(--card-shadow)}
.news-thumb{display:block;overflow:hidden;border-bottom:1px solid var(--glass-border);background:var(--bg-1)}
.news-thumb img{width:100%;height:186px;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--brand)}
.news-summary{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--glass-border)}
.news-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-empty{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:64px 24px;border:1px dashed var(--glass-border);border-radius:var(--r-card);
  background:var(--glass);
}
.news-empty svg{width:38px;height:38px;color:var(--brand)}
.news-empty strong{font-size:16px;color:var(--text-1)}
.news-empty p{font-size:14px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item[open]{border-color:rgba(35,224,176,.32);background:rgba(255,255,255,.06)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-1);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{flex-shrink:0;width:22px;height:22px;color:var(--brand);transition:transform .3s var(--ease)}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 24px 22px;font-size:14.5px;color:var(--text-2);line-height:1.9}

/* ---------- 结尾 CTA ---------- */
.cta-section{padding:96px 0}
.cta-panel{
  position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(155deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
  border:1px solid var(--glass-border);border-radius:var(--r-hero);
  padding:64px 40px;box-shadow:var(--card-shadow);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.cta-panel::before{
  content:"";position:absolute;top:-60%;left:50%;transform:translateX(-50%);
  width:640px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(35,224,176,.22),transparent 66%);
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{margin-bottom:16px}
.cta-panel p{max-width:620px;margin:0 auto 30px;color:var(--text-2)}
.cta-contact{margin-top:22px;font-size:14px;color:var(--text-3)}
.cta-contact a{color:var(--brand);border-bottom:1px solid rgba(35,224,176,.4)}
.cta-contact a:hover{color:#5cf2ca}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--glass-border);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-border);color:var(--text-2);font-size:12px;
}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--text-2);margin-bottom:14px}
.footer-contact li span{font-size:12.5px;color:var(--text-3)}
.footer-contact li strong{color:var(--text-1);font-weight:600;font-variant-numeric:tabular-nums}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--glass-border);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:22px}
  .hero-inner{gap:40px}
  .solution-grid,.pain-grid{gap:44px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:140px 0 72px}
  .nav-links{display:none}
  .menu-btn{display:grid}
  .search-box{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .pain-grid{grid-template-columns:1fr;gap:36px}
  .solution-grid{grid-template-columns:1fr;gap:36px}
  .solution-sticky{position:static}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .bento{grid-template-columns:1fr}
  .bento-large{grid-row:auto}
  .quotes{grid-template-columns:1fr}
  .quote-card:nth-child(2),.quote-card:nth-child(4){margin-top:0}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  body{font-size:15px;line-height:1.8}
  .section{padding:56px 0}
  .container{padding:0 18px}
  .site-header{height:60px}
  .site-header.is-stuck{height:58px}
  .hero{padding:116px 0 56px}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;min-height:48px}
  .hero-trust{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-trust li{padding:0;border-left:0}
  .hero-card{padding:22px}
  .metric-num{font-size:36px}
  .step-card{grid-template-columns:1fr;gap:12px;padding:20px}
  .step-num{font-size:28px}
  .stat-row{grid-template-columns:1fr 1fr;gap:22px;padding-bottom:36px;margin-bottom:36px}
  .bento-card,.quote-card{padding:20px}
  .news-grid{grid-template-columns:1fr}
  .cta-section{padding:56px 0}
  .cta-panel{padding:44px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;--bg-1:#0A1120;--bg-2:#101A2E;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.09);
  --brand:#23E0B0;--brand-2:#FF7A2F;--brand-3:#7FA8FF;
  --text-1:#EDF3FF;--text-2:#A3B2C9;--text-3:#6C7C96;
  --glow:0 0 0 1px rgba(35,224,176,.35),0 8px 30px rgba(35,224,176,.22);
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --r-card:16px;--r-img:14px;--r-btn:10px;--r-panel:24px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(127,168,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(127,168,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 15%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 15%,transparent 72%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;text-wrap:balance}
p{margin:0}
strong{color:var(--text-1)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.site-header,.nav-drawer,main,.site-footer{position:relative;z-index:1}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:72px;display:flex;align-items:center;
  background:rgba(6,10,20,.35);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 6px 24px rgba(0,0,0,.28);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{height:64px;background:rgba(8,13,24,.92);box-shadow:0 14px 34px rgba(0,0,0,.55)}
.nav-wrap{display:flex;align-items:center;gap:18px;width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-1);min-height:44px}
.logo-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:11px;
  background:rgba(35,224,176,.08);border:1px solid rgba(35,224,176,.3);
  box-shadow:0 0 18px rgba(35,224,176,.16);
}
.logo-mark svg{width:21px;height:21px}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.2px}
.logo-text em{font-style:normal;font-size:13px;font-weight:600;color:var(--brand);margin-left:3px;vertical-align:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;
  font-size:15px;color:var(--text-2);border-radius:8px;transition:color .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-1)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:10px;color:var(--text-2);
  border:1px solid transparent;transition:.25s var(--ease);
}
.icon-btn:hover{color:var(--text-1);background:rgba(255,255,255,.06);border-color:var(--glass-border)}
.icon-btn svg{width:19px;height:19px}
.search-form{
  position:absolute;right:54px;top:50%;transform:translateY(-50%);width:0;opacity:0;pointer-events:none;
  transition:width .28s var(--ease),opacity .28s var(--ease);
}
.search-box.is-open .search-form{width:252px;opacity:1;pointer-events:auto}
.search-form input{
  width:100%;height:42px;padding:0 14px;border-radius:10px;color:var(--text-1);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(35,224,176,.16)}
.menu-btn{display:none;width:44px;height:44px;place-items:center;border-radius:10px;color:var(--text-1);border:1px solid var(--glass-border);background:rgba(255,255,255,.04)}
.menu-btn svg{width:20px;height:20px}
.menu-btn:hover{background:rgba(255,255,255,.09)}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;padding:22px 24px 28px;
  background:rgba(5,8,15,.86);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  opacity:0;visibility:hidden;transform:translateY(-14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--glass-border)}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:26px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 6px;
  font-size:19px;font-weight:600;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.06);
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.drawer-links a:hover{color:var(--text-1);padding-left:12px}
.drawer-links a.is-active{color:var(--brand)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,#23E0B0,#13b98d);color:#04150F;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(35,224,176,.5),0 14px 34px rgba(35,224,176,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(35,224,176,.4),0 6px 18px rgba(35,224,176,.24)}
.btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--text-1)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(35,224,176,.42)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14.5px}
.btn-text span{transition:transform .28s var(--ease)}
.btn-text:hover span{transform:translateX(4px)}

/* ---------- 徽章 / 面包屑 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.4;color:var(--brand);
  background:rgba(255,255,255,.055);border:1px solid var(--glass-border);
}
.badge-orange{color:var(--brand-2);border-color:rgba(255,122,47,.32);background:rgba(255,122,47,.08)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3);transition:color .25s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(108,124,150,.7)}
.crumb-current{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;padding:calc(72px + 42px) 0 42px;
  background-image:linear-gradient(180deg,rgba(10,17,32,.86),rgba(5,8,15,.96) 76%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--glass-border);
}
.article-hero::after{
  content:"";position:absolute;left:-10%;top:-40%;width:52%;height:180%;pointer-events:none;
  background:linear-gradient(100deg,rgba(35,224,176,.14),rgba(35,224,176,0) 62%);transform:rotate(9deg);
}
.article-hero>.container{position:relative;z-index:2}
.article-title{max-width:900px;font-size:clamp(24px,3.4vw,38px);line-height:1.3;font-weight:700;color:var(--text-1)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:16px;font-size:13px;color:var(--text-3)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(108,124,150,.7)}
.article-lead{
  max-width:820px;margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-cover{max-width:1100px;margin:40px auto 0;padding:0 24px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--glass-border);box-shadow:var(--shadow-card)}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 236px;gap:56px;align-items:start;padding-top:56px;padding-bottom:72px}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text-2);overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:48px 0 18px;padding-left:16px;font-size:clamp(21px,2.2vw,27px);
  font-weight:700;line-height:1.35;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.16em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(35,224,176,.18));
}
.article-body h3{margin:32px 0 12px;font-size:20px;font-weight:600;color:var(--text-1)}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--text-1)}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(35,224,176,.5)}
.article-body ol{margin:0 0 1.2em;counter-reset:olist}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:olist}
.article-body ol li::before{
  content:counter(olist) ".";position:absolute;left:0;top:0;color:var(--brand-2);
  font-weight:700;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;border-radius:12px;border:1px solid var(--glass-border);
  border-left:3px solid var(--brand-2);background:var(--glass);color:var(--text-1);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0 10px}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{margin-top:9px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#5ef0c8}
.article-body table{display:block;width:100%;overflow-x:auto;margin:26px 0;border-collapse:collapse;font-size:15px;background:var(--glass);border:1px solid var(--glass-border);border-radius:12px}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--glass-border);white-space:nowrap}
.article-body thead th{background:rgba(255,255,255,.06);color:var(--text-1);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.07);font-size:.92em;color:var(--brand-3)}
.article-body hr{margin:40px 0;border:0;border-top:1px solid var(--glass-border)}

/* 目录 */
.article-toc{position:sticky;top:96px;padding:20px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border)}
.article-toc h2{margin:0 0 12px;font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.4px}
.article-toc ol{display:flex;flex-direction:column;gap:8px}
.article-toc a{display:block;padding-left:12px;font-size:13.5px;line-height:1.6;color:var(--text-2);border-left:2px solid rgba(255,255,255,.09);transition:.25s var(--ease)}
.article-toc a:hover{color:var(--brand);border-left-color:var(--brand)}

/* 文末 */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--glass-border)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag-row .badge{cursor:default}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:26px}
.pager a{
  padding:16px 18px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-border);
  transition:.28s var(--ease);
}
.pager a:hover{border-color:rgba(35,224,176,.38);transform:translateY(-3px)}
.pager .pager-label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px}
.pager .pager-title{display:block;font-size:15px;color:var(--text-1);font-weight:600;line-height:1.5}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 26px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-border);
}
.empty-state .empty-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:rgba(35,224,176,.1);border:1px solid rgba(35,224,176,.28);color:var(--brand)}
.empty-state .empty-icon svg{width:24px;height:24px}
.empty-state h3{font-size:19px;color:var(--text-1)}
.empty-state p{font-size:14.5px;color:var(--text-2);max-width:420px}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border)}
.section-head{margin-bottom:36px;max-width:720px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;color:var(--text-1)}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--brand-2);letter-spacing:.4px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-2);border-radius:2px}

/* 相关推荐卡片 */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;border-radius:var(--r-card);background:var(--glass);
  border:1px solid var(--glass-border);overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:var(--shadow-card)}
.card-media{overflow:hidden;background:var(--bg-1)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--text-3)}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;padding:48px;border-radius:var(--r-panel);
  background:linear-gradient(135deg,rgba(16,26,46,.94),rgba(10,17,32,.88));
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.cta-panel::before{
  content:"";position:absolute;right:-60px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,224,176,.22),transparent 68%);
}
.cta-panel::after{
  content:"";position:absolute;left:-40px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.14),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:clamp(22px,3vw,32px);color:var(--text-1)}
.cta-inner p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-contact{margin-top:12px;font-size:13.5px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--glass-border);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-2);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social span{font-size:12.5px;color:var(--text-3);padding:4px 12px;border-radius:999px;border:1px solid var(--glass-border);background:var(--glass)}
.footer-title{font-size:14.5px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links li{font-size:14px;color:var(--text-2);transition:color .25s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px;color:var(--text-2)}
.footer-contact li span{font-size:12.5px;color:var(--text-3)}
.footer-contact li strong{font-weight:600;color:var(--text-1);font-variant-numeric:tabular-nums}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--glass-border);font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-toc{display:none}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:grid}
  .section{padding:72px 0}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{padding:36px}
}
@media (max-width:768px){
  .article-hero{padding:calc(64px + 30px) 0 32px}
  .article-lead{-webkit-line-clamp:4}
  .article-cover{margin-top:28px}
  .article-layout{padding-top:40px;padding-bottom:56px}
  .article-body{font-size:16px}
  .pager{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:639px){
  body{font-size:15px}
  .container{padding:0 18px}
  .nav-wrap{padding:0 18px}
  .nav-tools .btn-primary{display:none}
  .search-box .search-form{right:52px}
  .search-box.is-open .search-form{width:180px}
  .section{padding:56px 0}
  .article-body{font-size:15px;line-height:1.8}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{height:48px;width:100%}
  .btn-sm{height:44px;width:auto}
  .pager a{width:100%}
  .cta-panel{padding:26px 22px}
  .article-cover{padding:0 18px}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --brand:#23E0B0;
  --brand-2:#FF7A2F;
  --brand-3:#7FA8FF;
  --text-1:#EDF3FF;
  --text-2:#A3B2C9;
  --text-3:#6C7C96;
  --glow:0 0 0 1px rgba(35,224,176,.35),0 8px 30px rgba(35,224,176,.22);
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-hero:24px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{text-wrap:balance;letter-spacing:.2px}
.num,time,.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

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

/* ============ header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;
  background:rgba(6,10,20,.35);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.28);
  transition:height .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(8,13,24,.92);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.nav-wrap{height:100%;display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.logo-mark svg{width:22px;height:22px;display:block}
.logo-text{font-weight:700;font-size:18px;color:var(--text-1);letter-spacing:.2px}
.logo-text em{font-style:normal;color:var(--brand);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 14px;color:var(--text-2);font-size:15px;border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.7,.2,1);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text-1)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);color:var(--text-2);
  background:rgba(255,255,255,.03);transition:.25s ease;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{color:var(--brand);border-color:rgba(35,224,176,.45)}
.search-form{width:0;overflow:hidden;transition:width .28s ease}
.search-form input{
  width:100%;height:44px;border-radius:10px;padding:0 14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);font-size:14px;
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:var(--glow)}
.search-box.is-open .search-form{width:220px}
.menu-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);color:var(--text-1);background:rgba(255,255,255,.03);
}
.menu-btn svg{width:20px;height:20px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s ease,background-color .25s ease,border-color .25s ease,color .25s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#1FD3A6,#23E0B0 55%,#8BF3D6);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(35,224,176,.35),0 8px 26px rgba(35,224,176,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(35,224,176,.5),0 14px 38px rgba(35,224,176,.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text-1);border:1px solid var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(35,224,176,.4);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.btn-text i{transition:transform .25s ease}
.btn-text:hover i{transform:translateX(4px)}

/* ============ chips / badges ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.6;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--brand);
}
.chip.is-warm{color:var(--brand-2);border-color:rgba(255,122,47,.32)}
.chip.is-cool{color:var(--brand-3);border-color:rgba(127,168,255,.28)}

/* ============ drawer ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.65);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:140;
  transform:translateX(104%);transition:transform .34s cubic-bezier(.2,.7,.2,1);
  background:rgba(8,13,24,.96);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;padding:24px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  font-size:19px;font-weight:600;color:var(--text-1);padding:14px 6px;border-bottom:1px solid var(--line);
}
.drawer-links a:hover{color:var(--brand)}
.drawer-links a.is-active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ============ banner ============ */
.cat-banner{
  position:relative;min-height:320px;display:flex;align-items:flex-end;
  padding:140px 0 56px;
  background-image:linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.86) 55%,var(--bg-0) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 20% 0%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 90% at 20% 0%,#000 10%,transparent 72%);
}
.cat-banner .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(108,124,150,.7)}
.cat-banner h1{
  font-size:clamp(30px,5vw,54px);font-weight:800;line-height:1.15;max-width:900px;
}
.cat-banner .lead{margin-top:18px;max-width:780px;color:var(--text-2);font-size:16.5px;line-height:1.85}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ============ sections ============ */
.section{padding:96px 0}
.section.is-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;line-height:1.25}
.sec-head p{margin-top:16px;color:var(--text-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:2px}

/* ============ timeline / steps ============ */
.timeline-layout{display:grid;grid-template-columns:380px 1fr;gap:56px;align-items:start}
.timeline-aside{position:sticky;top:104px}
.step-nav{display:flex;flex-direction:column;gap:2px;margin-top:28px}
.step-nav a{
  display:flex;align-items:center;gap:14px;padding:12px 12px;border-left:2px solid var(--line);
  color:var(--text-2);font-size:15px;transition:.25s ease;
}
.step-nav a:hover{color:var(--text-1);border-left-color:rgba(35,224,176,.5);background:rgba(255,255,255,.03)}
.step-nav span{font-family:var(--font-num);font-size:13px;color:var(--brand-2);letter-spacing:.6px}
.step-list{display:flex;flex-direction:column;gap:28px}
.step-item{
  position:relative;padding:26px 26px 26px 82px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .28s cubic-bezier(.2,.7,.2,1),border-color .28s ease,box-shadow .28s ease;
}
.step-item:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:0 18px 44px rgba(0,0,0,.55)}
.step-item .idx{
  position:absolute;left:24px;top:24px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:15px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,#1FD3A6,#8BF3D6);
  box-shadow:0 0 0 1px rgba(35,224,176,.3),0 8px 20px rgba(35,224,176,.2);
}
.step-item h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step-item p{color:var(--text-2);font-size:15.5px}
.step-item p + p{margin-top:10px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ============ card grid ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .28s cubic-bezier(.2,.7,.2,1),border-color .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;gap:14px;
}
.card:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:0 18px 46px rgba(0,0,0,.58)}
.card .thumb{overflow:hidden;border-radius:var(--r-img);background:var(--bg-1);aspect-ratio:16/9}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.card:hover .thumb img{transform:scale(1.03)}
.card h3{font-size:20px;font-weight:600}
.card p{color:var(--text-2);font-size:15px}
.card .card-list{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding-top:6px}
.card .card-list li{position:relative;padding-left:18px;color:var(--text-2);font-size:14.5px}
.card .card-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ============ stats ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:48px}
.stat{
  padding:24px;border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
}
.stat-num{font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--brand-2);line-height:1.1;display:block}
.stat-label{margin-top:8px;color:var(--text-2);font-size:14px}

/* ============ faq ============ */
.faq-wrap{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--glass);
  margin-bottom:14px;overflow:hidden;transition:border-color .28s ease,background-color .28s ease;
}
.faq-item:hover{border-color:rgba(35,224,176,.28)}
.faq-item.is-open{border-color:rgba(35,224,176,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .28s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s cubic-bezier(.2,.7,.2,1)}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:15.5px}

/* ============ related ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;gap:14px;padding:20px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--glass);
  transition:transform .28s cubic-bezier(.2,.7,.2,1),border-color .28s ease,box-shadow .28s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:0 18px 44px rgba(0,0,0,.55)}
.rel-card .thumb{overflow:hidden;border-radius:var(--r-img);aspect-ratio:4/3;background:var(--bg-1)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card h3{font-size:17px;font-weight:600}
.rel-card p{color:var(--text-2);font-size:14.5px}

/* ============ cta ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(35,224,176,.12),rgba(255,255,255,.03) 45%,rgba(255,122,47,.1));
  padding:56px;
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,224,176,.28),transparent 68%);
  filter:blur(6px);pointer-events:none;
}
.cta-panel::after{
  content:"";position:absolute;width:320px;height:320px;left:-100px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.22),transparent 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:760px}
.cta-panel h2{font-size:clamp(24px,3.4vw,34px);font-weight:700}
.cta-panel p{margin-top:14px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-contact{margin-top:22px;color:var(--text-3);font-size:14px}

/* ============ footer ============ */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{font-size:18px}
.footer-brand p{margin-top:16px;color:var(--text-2);font-size:14.5px;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-2);font-size:14.5px}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;flex-direction:column;gap:2px}
.footer-contact span{color:var(--text-3);font-size:13px}
.footer-contact strong{color:var(--text-1);font-size:14.5px;font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}

/* ============ responsive ============ */
@media (max-width:1199px){
  .timeline-layout{grid-template-columns:320px 1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .timeline-layout{grid-template-columns:1fr;gap:32px}
  .timeline-aside{position:static}
  .card-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{padding:40px}
}
@media (max-width:767px){
  .search-box{display:none}
  .cat-banner{min-height:auto;padding:118px 0 44px}
  .cat-banner .lead{font-size:15.5px}
}
@media (max-width:639px){
  body{font-size:15px;line-height:1.8}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .site-header{height:60px}
  .site-header.is-stuck{height:58px}
  .logo-text{font-size:16px}
  .card{padding:20px}
  .step-item{padding:22px 20px 22px 20px}
  .step-item .idx{position:static;margin-bottom:14px}
  .stat-row{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.08);
  --glass-line:rgba(255,255,255,.09);
  --brand:#23E0B0;
  --brand-2:#FF7A2F;
  --brand-3:#7FA8FF;
  --text-1:#EDF3FF;
  --text-2:#A3B2C9;
  --text-3:#6C7C96;
  --glow:0 0 0 1px rgba(35,224,176,.35),0 8px 30px rgba(35,224,176,.22);
  --card-shadow:0 12px 32px rgba(0,0,0,.45);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-hero:24px;
  --container:1240px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-6:24px;
  --sp-8:32px; --sp-12:48px; --sp-16:64px; --sp-24:96px;
  --font: "PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --num-font: Inter,"Segoe UI",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg-0);
  background-image:
    radial-gradient(1100px 520px at 82% -10%, rgba(35,224,176,.10), transparent 62%),
    radial-gradient(900px 460px at 6% 8%, rgba(127,168,255,.08), transparent 60%),
    linear-gradient(180deg,#05080F 0%,#070C16 45%,#05080F 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(35,224,176,.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#04121A;padding:10px 16px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;}

/* ============ 通用文字 ============ */
h1{font-size:clamp(30px,5vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.01em;text-wrap:balance;}
h2{font-size:clamp(24px,3.4vw,36px);line-height:1.25;font-weight:700;text-wrap:balance;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand);
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent);}
.lead{color:var(--text-2);font-size:17px;line-height:1.95;}
.muted{color:var(--text-3);font-size:13px;}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-primary{
  background:linear-gradient(135deg,#27F0BE 0%,#17C99A 100%);
  color:#04120E;
  box-shadow:0 0 0 1px rgba(35,224,176,.45),0 10px 26px rgba(35,224,176,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(35,224,176,.65),0 16px 38px rgba(35,224,176,.38);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid var(--glass-line);
  color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(35,224,176,.4);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.btn-link span{transition:transform .25s cubic-bezier(.2,.7,.2,1);}
.btn-link:hover{color:#5CF2CB;}
.btn-link:hover span{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--brand);
}
.badge-warn{color:var(--brand-2);}
.badge-cool{color:var(--brand-3);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;
  background:rgba(6,10,20,.35);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--glass-line);
  box-shadow:0 6px 24px rgba(0,0,0,.28);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{height:64px;background:rgba(8,13,24,.92);box-shadow:0 10px 32px rgba(0,0,0,.5);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--glass-line);}
.logo-mark svg{width:21px;height:21px;}
.logo-text{font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:.01em;}
.logo-text em{font-style:normal;color:var(--brand);margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;line-height:1.4;
  transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),rgba(35,224,176,.2));
  transition:width .28s cubic-bezier(.2,.7,.2,1);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{width:100%;box-shadow:0 0 12px rgba(35,224,176,.6);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;border-radius:var(--r-btn);
  border:1px solid var(--glass-line);background:var(--glass);color:var(--text-2);
  transition:color .22s,border-color .22s,background .22s;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(35,224,176,.45);background:rgba(35,224,176,.08);}
.icon-btn svg{width:19px;height:19px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-form{position:absolute;right:52px;width:0;opacity:0;pointer-events:none;transition:width .28s ease,opacity .24s ease;}
.search-form input{
  width:100%;height:42px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
  color:var(--text-1);font-size:14px;
}
.search-form input::placeholder{color:var(--text-3);}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(35,224,176,.16);}
.search-box.is-open .search-form{width:236px;opacity:1;pointer-events:auto;}
.menu-btn{
  display:none;width:42px;height:42px;place-items:center;border-radius:var(--r-btn);
  border:1px solid var(--glass-line);background:var(--glass);color:var(--text-1);
}
.menu-btn svg{width:20px;height:20px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(6,10,20,.86);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),opacity .3s,visibility .3s;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid var(--glass-line);}
.drawer-nav{display:flex;flex-direction:column;padding:18px 20px;gap:4px;flex:1;overflow-y:auto;}
.drawer-nav a{
  font-size:20px;font-weight:600;color:var(--text-1);
  padding:16px 4px;border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer-nav a.is-active{color:var(--brand);}
.drawer-foot{padding:18px 20px 28px;border-top:1px solid var(--glass-line);}
.drawer-foot .btn{width:100%;}

/* ============ 页头 ============ */
.page-head{padding:132px 0 8px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--text-2);}
.page-head h1{margin-bottom:20px;}
.page-head .lead{max-width:860px;}

/* ============ 分类主体：左图右清单 ============ */
.cat-split{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:56px;align-items:center;padding:56px 0 88px;
}
.cat-visual{position:relative;}
.cat-visual::after{
  content:"";position:absolute;inset:-12px;border-radius:22px;pointer-events:none;
  box-shadow:0 0 0 1px rgba(35,224,176,.35),0 24px 56px rgba(35,224,176,.16);
}
.cat-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);}
.cat-split h2{margin-bottom:16px;}
.cat-split .lead{margin-bottom:26px;}
.checklist{display:grid;gap:14px;}
.checklist li{
  position:relative;padding-left:30px;color:var(--text-2);font-size:15.5px;line-height:1.8;
}
.checklist li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);filter:drop-shadow(0 0 6px rgba(35,224,176,.5));
}
.checklist li strong{color:var(--text-1);font-weight:600;}

/* ============ 图文交替 ============ */
.alt-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;
  padding:72px 0;border-top:1px solid rgba(255,255,255,.06);
}
.alt-row.is-reverse .alt-media{order:2;}
.alt-row.is-reverse .alt-body{order:1;}
.alt-media{overflow:hidden;border-radius:var(--r-img);border:1px solid var(--glass-line);}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.alt-media:hover img{transform:scale(1.03);}
.alt-body h2{margin-bottom:14px;font-size:clamp(21px,2.6vw,29px);}
.alt-body p{color:var(--text-2);margin-bottom:16px;}
.mini-list{display:grid;gap:10px;margin-top:8px;}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;
}
.mini-list li::before{
  content:"";flex:0 0 auto;width:4px;height:18px;margin-top:6px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-2),rgba(255,122,47,.25));
}

/* ============ 数据条 ============ */
.stat-strip{
  margin:24px 0 0;padding:34px 0;
  border-top:1px solid var(--glass-line);border-bottom:1px solid var(--glass-line);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat{padding:0 26px;border-left:1px solid rgba(255,255,255,.07);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{
  display:block;font-family:var(--num-font);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--brand-2);line-height:1.15;
}
.stat span{display:block;margin-top:6px;color:var(--text-2);font-size:14px;}
.stat em{display:block;font-style:normal;color:var(--text-3);font-size:12.5px;margin-top:2px;}

/* ============ FAQ ============ */
.faq-section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);}
.accordion{background:transparent;border:0;margin:0;max-width:920px;}
.accordion .accordion-item{
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .28s,transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s;
}
.accordion .accordion-item:hover{border-color:rgba(35,224,176,.35);box-shadow:0 12px 30px rgba(0,0,0,.35);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-1);
  border:0;background:transparent;line-height:1.6;
}
.accordion .accordion-title:hover{color:var(--brand);}
.accordion .accordion-title::before{display:none !important;}
.accordion .accordion-title::after{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-top:-4px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .28s cubic-bezier(.2,.7,.2,1);
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(-135deg);margin-top:4px;}
.accordion .accordion-content{
  background:transparent !important;border:0 !important;color:var(--text-2) !important;
  padding:0 24px 22px !important;font-size:15.5px;line-height:1.9;
}

/* ============ 相关链接卡片 ============ */
.related{padding:0 0 88px;}
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.lcard{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  padding:24px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .28s cubic-bezier(.2,.7,.2,1),border-color .28s,box-shadow .28s;
}
.lcard:hover{transform:translateY(-4px);border-color:rgba(35,224,176,.35);box-shadow:var(--card-shadow);}
.lcard .lcard-top{overflow:hidden;border-radius:var(--r-img);margin-bottom:18px;border:1px solid var(--glass-line);}
.lcard .lcard-top img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.lcard:hover .lcard-top img{transform:scale(1.03);}
.lcard h3{font-size:17px;margin-bottom:8px;color:var(--text-1);}
.lcard p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin-bottom:16px;}
.lcard .btn-link{margin-top:auto;}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px;}
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-hero);
  border:1px solid var(--glass-line);
  background:
    radial-gradient(620px 300px at 88% 0%, rgba(35,224,176,.20), transparent 62%),
    radial-gradient(520px 260px at 4% 100%, rgba(255,122,47,.14), transparent 60%),
    rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  padding:56px 56px;
  box-shadow:var(--card-shadow);
}
.cta-panel::before{
  content:"";position:absolute;top:-60px;right:-40px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,224,176,.22),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{margin-bottom:14px;max-width:660px;}
.cta-panel p{color:var(--text-2);max-width:620px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-note{color:var(--text-3);font-size:13.5px;margin-top:18px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--glass-line);
  padding:64px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{display:inline-block;margin-bottom:14px;}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social span{
  font-size:12.5px;color:var(--text-3);padding:5px 12px;border-radius:999px;
  border:1px solid var(--glass-line);background:var(--glass);
}
.footer-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{color:var(--text-2);font-size:14.5px;}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px;}
.footer-contact span{color:var(--text-3);font-size:12.5px;}
.footer-contact strong{color:var(--text-1);font-weight:600;font-family:var(--num-font);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-btn{display:grid;}
  .search-form{right:0;left:auto;}
  .search-box.is-open .search-form{width:200px;}
  .page-head{padding-top:118px;}
  .cat-split{grid-template-columns:1fr;gap:36px;padding:44px 0 64px;}
  .alt-row{grid-template-columns:1fr;gap:28px;padding:56px 0;}
  .alt-row.is-reverse .alt-media{order:1;}
  .alt-row.is-reverse .alt-body{order:2;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .link-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-panel{padding:44px 32px;}
  .faq-section{padding:72px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .logo-text{font-size:16px;}
  .page-head{padding-top:104px;}
  .page-head .lead{font-size:15.5px;}
  .stat-strip{grid-template-columns:1fr;gap:0;}
  .stat{border-left:0;padding:18px 0;border-top:1px solid rgba(255,255,255,.07);}
  .stat:first-child{border-top:0;padding-top:0;}
  .related{padding-bottom:64px;}
}
@media (max-width:639px){
  body{font-size:15px;line-height:1.8;}
  .page-head{padding-top:96px;}
  .cat-split{padding:36px 0 56px;}
  .alt-row{padding:48px 0;}
  .faq-section{padding:56px 0;}
  .link-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-panel{padding:34px 22px;border-radius:18px;}
  .cta-actions .btn{width:100%;}
  .accordion .accordion-title{padding:16px 18px;font-size:15.5px;}
  .accordion .accordion-content{padding:0 18px 18px !important;}
  .footer-bottom{flex-direction:column;gap:6px;}
}