/* 云图时代 · 服务落地页专用样式（独立于官网 SPA，防类名冲突） */
:root{
  --yt-navy:#0B1F3A;
  --yt-navy2:#102a4c;
  --yt-cyan:#16C2D5;
  --yt-cyan-d:#0e97a8;
  --yt-ink:#1a2230;
  --yt-gray:#5b6675;
  --yt-line:#e6ebf2;
  --yt-bg:#f6f8fb;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:#1a2230;background:#f6f8fb;line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.lp-nav{position:sticky;top:0;z-index:50;background:rgba(11,31,58,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.08)}
.lp-nav__inner{max-width:1120px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.lp-nav__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px}
.lp-nav__brand img{height:30px;width:30px}
.lp-nav__menu{display:flex;flex-wrap:wrap;gap:6px 18px}
.lp-nav__menu a{color:#cdd8e6;font-size:14px;padding:6px 2px;transition:color .2s}
.lp-nav__menu a:hover,.lp-nav__menu a.is-active{color:#16C2D5}
.lp-nav__cta{background:#16C2D5;color:#06222a;font-weight:700;border-radius:999px;padding:9px 18px;font-size:14px;white-space:nowrap}
.lp-nav__cta:hover{background:#36d6e7}

/* Hero */
.lp-hero{background:linear-gradient(135deg,#0B1F3A 0%,#102a4c 55%,#0e4a63 100%);color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.lp-hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,194,213,.28),transparent 60%)}
.lp-hero .wrap{position:relative;z-index:1}
.lp-hero__tag{display:inline-block;background:rgba(22,194,213,.16);color:#7fe3ef;border:1px solid rgba(22,194,213,.4);
  padding:6px 14px;border-radius:999px;font-size:13px;margin-bottom:18px}
.lp-hero h1{font-size:38px;line-height:1.3;font-weight:800;letter-spacing:.5px;max-width:880px}
.lp-hero p{margin-top:18px;font-size:17px;color:#c4d3e3;max-width:760px}
.lp-hero__actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.lp-btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:700;font-size:15px;transition:.2s}
.lp-btn--primary{background:#16C2D5;color:#06222a}
.lp-btn--primary:hover{background:#36d6e7;transform:translateY(-1px)}
.lp-btn--ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.lp-btn--ghost:hover{border-color:#16C2D5;color:#16C2D5}

/* 区块通用 */
.lp-sec{padding:60px 0}
.lp-sec--alt{background:#fff}
.lp-sec__head{text-align:center;max-width:760px;margin:0 auto 40px}
.lp-sec__head .lp-kicker{color:#16C2D5;font-weight:700;font-size:14px;letter-spacing:2px}
.lp-sec__head h2{font-size:30px;margin-top:10px;color:#0B1F3A}
.lp-sec__head p{margin-top:12px;color:#5b6675;font-size:16px}

/* 资质卡片 */
.lp-qual{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.lp-qual__item{background:#fff;border:1px solid var(--yt-line);border-radius:14px;padding:22px}
.lp-qual__item .lp-qual__ico{font-size:26px}
.lp-qual__item h3{font-size:17px;margin:10px 0 6px;color:#0B1F3A}
.lp-qual__item p{color:#5b6675;font-size:14px}

/* 服务列表 */
.lp-svc{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.lp-svc__item{background:#fff;border:1px solid var(--yt-line);border-radius:14px;padding:24px;transition:.2s}
.lp-svc__item:hover{border-color:#16C2D5;box-shadow:0 8px 30px rgba(11,31,58,.08)}
.lp-svc__item h3{font-size:18px;color:#0B1F3A;display:flex;align-items:center;gap:8px}
.lp-svc__item h3 .dot{width:8px;height:8px;border-radius:50%;background:#16C2D5;display:inline-block}
.lp-svc__item p{margin-top:10px;color:#5b6675;font-size:15px}

/* 行业标签 */
.lp-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.lp-tags span{background:#eef4fb;color:#0e4a63;border:1px solid #d6e6f2;border-radius:999px;padding:9px 18px;font-size:15px}

/* 案例 */
.lp-cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.lp-case{background:#0B1F3A;color:#fff;border-radius:14px;padding:26px;position:relative;overflow:hidden}
.lp-case::after{content:"";position:absolute;right:-40px;bottom:-40px;width:160px;height:160px;border-radius:50%;background:rgba(22,194,213,.18)}
.lp-case .lp-case__metric{font-size:30px;font-weight:800;color:#16C2D5}
.lp-case h3{font-size:18px;margin:8px 0 6px}
.lp-case p{color:#b9c8da;font-size:14px;position:relative;z-index:1}

/* FAQ */
.lp-faq{max-width:820px;margin:0 auto}
.lp-faq details{border:1px solid var(--yt-line);border-radius:12px;background:#fff;margin-bottom:12px;overflow:hidden}
.lp-faq summary{padding:18px 22px;font-weight:700;font-size:16px;color:#0B1F3A;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.lp-faq summary::-webkit-details-marker{display:none}
.lp-faq summary::after{content:"+";font-size:22px;color:#16C2D5;font-weight:400}
.lp-faq details[open] summary::after{content:"\2212"}
.lp-faq details div{padding:0 22px 20px;color:#5b6675;font-size:15px}

/* CTA */
.lp-cta{background:linear-gradient(135deg,#0B1F3A,#0e4a63);color:#fff;padding:56px 0;text-align:center}
.lp-cta h2{font-size:28px}
.lp-cta p{margin-top:12px;color:#c4d3e3;font-size:16px}
.lp-cta__row{margin-top:26px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.lp-cta__phone{background:#16C2D5;color:#06222a;font-weight:800;font-size:18px;padding:14px 28px;border-radius:12px}
.lp-cta__wx{border:1px solid rgba(255,255,255,.4);color:#fff;padding:14px 28px;border-radius:12px;font-size:15px}
.lp-cta__wx:hover{border-color:#16C2D5;color:#16C2D5}

/* 面包屑 */
.lp-crumb{background:#eef4fb;padding:12px 0;font-size:13px;color:#5b6675}
.lp-crumb a{color:#0e4a63}
.lp-crumb a:hover{text-decoration:underline}

/* 页脚 */
.lp-foot{background:#081627;color:#9fb1c6;padding:40px 0;font-size:14px}
.lp-foot__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;margin-bottom:24px}
.lp-foot h4{color:#fff;font-size:15px;margin-bottom:12px}
.lp-foot a{display:block;color:#9fb1c6;padding:4px 0;font-size:14px}
.lp-foot a:hover{color:#16C2D5}
.lp-foot__bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:18px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:#6f8298;font-size:13px}

@media (max-width:720px){
  .lp-hero h1{font-size:28px}
  .lp-sec__head h2{font-size:24px}
  .lp-nav__menu{display:none}
}

/* 对比表格（选型指南页使用） */
.lp-table-wrap{overflow-x:auto;border:1px solid var(--yt-line);border-radius:14px;background:#fff;box-shadow:0 6px 22px rgba(11,31,58,.06)}
.lp-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14px}
.lp-table th,.lp-table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--yt-line);line-height:1.65}
.lp-table thead th{background:#0B1F3A;color:#fff;font-weight:700;white-space:nowrap}
.lp-table tbody tr:last-child th,.lp-table tbody tr:last-child td{border-bottom:none}
.lp-table tbody tr:nth-child(even){background:#fafcfe}
.lp-table td b{color:#0e4a63}

/* 步骤列表（选型指南页使用） */
.lp-steps{display:grid;gap:16px}
.lp-step{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--yt-line);
  border-radius:14px;padding:18px 20px;box-shadow:0 4px 16px rgba(11,31,58,.05)}
.lp-step__no{flex:0 0 34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#16C2D5,#0e97a8);
  color:#06222a;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.lp-step h3{font-size:17px;color:#0B1F3A;margin-bottom:4px}
.lp-step p{color:var(--yt-gray);font-size:14px}

@media (max-width:720px){
  .lp-step{padding:16px}
  .lp-table{font-size:13px}
}