/* hero */
.hero{position:relative;background:linear-gradient(95deg,rgba(7,28,66,.92) 0%,rgba(11,61,145,.82) 50%,rgba(11,61,145,.45) 100%),url('https://media.doubao.com/space/api/box/stream/download/all_by_mount_point/OiZ1bw3V9ouNwRxqcGaco5N5nag') center/cover no-repeat;color:#fff;padding:120px 0 130px}
.hero h1{font-size:clamp(36px,4.5vw,58px);line-height:1.2;font-weight:900}
.hero .hero-sub{font-size:20px;font-weight:700;color:#9CC1FF;margin-top:8px}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.9);max-width:620px;line-height:1.8;margin-top:22px}
.hero .btn{padding:14px 32px;font-size:16px;font-weight:600;border-radius:8px;margin-right:10px;margin-top:20px}
.hero .btn-light{background:#fff;color:var(--brand-deep)}
.hero .btn-outline{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.hero .hero-tags{margin-top:36px;display:flex;gap:10px;flex-wrap:wrap}
.hero .hero-tags span{padding:7px 16px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:15px}
.hero-def{margin-top:26px;padding:16px 20px;background:rgba(255,255,255,.08);border-left:3px solid #e2a03c;border-radius:0 10px 10px 0;max-width:660px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.92)}
/* trust strip */
.trust{background:#fff;padding:28px 0;border-bottom:1px solid var(--line)}
.trust-item{display:flex;align-items:center;gap:12px;padding:8px 20px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:none}
.trust-item .ic{width:36px;height:36px;background:var(--brand-soft);color:var(--brand);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.trust-item b{font-size:15px;display:block}
.trust-item small{font-size:15px;color:var(--muted)}
/* product card */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:100%;transition:transform .18s ease,box-shadow .18s ease}
.pcard:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.pcard img{aspect-ratio:4/3;object-fit:cover;width:100%;display:block}
.pcard-body{padding:20px;display:flex;flex-direction:column;gap:6px}
.pcard-body h3{font-size:18px;font-weight:700;margin:0 0 8px}
.pcard-body p{font-size:15px;color:var(--muted);margin:0 0 12px;flex:1}
.pcard-body .more{color:var(--brand);font-weight:600;font-size:15px}
.pcard h3 a{color:var(--ink)}
.pcard h3 a:hover{color:var(--brand)}
/* about */
.about-img{border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 50px rgba(31,78,156,.12)}
.about-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-txt p{font-size:16px;color:var(--ink-soft);line-height:1.9;margin-bottom:16px}
.about-stats{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.about-stats .stat b{font-size:32px;font-weight:900;color:var(--brand);display:block;line-height:1.1}
.about-stats .stat small{font-size:15px;color:var(--muted)}
.about-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:10px 26px;border:1.5px solid var(--brand);border-radius:8px;transition:.2s}
.about-link:hover{background:var(--brand);color:#fff}
/* applications */
.app-pill{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 24px;font-size:16px;margin:0 10px 12px 0;transition:.2s;color:var(--ink)}
.app-pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
/* why us */
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;height:100%}
.why-card .why-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.why-card .num{font-size:15px;font-weight:700;color:var(--brand);background:var(--brand-soft);width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.why-card h3{font-size:18px;font-weight:700;margin:0}
.why-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.8}
/* news card style (same as FAQ) */
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
/* 首页 FAQ 卡较多，宽屏改三列堆得短一些（变体必须写全类名并在各断点重申，否则会被基础规则或低特异性误盖） */
@media(min-width:1200px){.card-grid.three{grid-template-columns:1fr 1fr 1fr;gap:18px}}
@media(min-width:768px) and (max-width:1199.98px){.card-grid.three{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.card-grid.three{grid-template-columns:1fr}}
@media(max-width:768px){.card-grid{grid-template-columns:1fr}}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;height:100%}
.info-card .info-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.info-card .info-head .meta{display:inline-block;background:var(--bg-alt);color:var(--muted);font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums;flex-shrink:0;padding:3px 10px;border-radius:6px;letter-spacing:.02em}
.info-card h3{font-size:18px;font-weight:700;margin:0;line-height:1.4;min-width:0;flex:1}
.info-card h3 a{color:var(--ink)}
.info-card h3 a:hover{color:var(--brand)}
.info-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.8}
/* case list （.case-list/.case-item 已上移 base.css，与公司介绍页共用） */
/* client band */
.client-band{margin-top:40px;background:var(--bg-alt);border-radius:var(--radius);padding:28px 30px}
.client-band h3{font-size:16px;font-weight:700;margin:0 0 16px}
.footprint{display:flex;flex-wrap:wrap;gap:10px}
.fp-tag{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:15px;font-weight:500;color:var(--ink);transition:.2s;display:inline-block}
.fp-tag:hover{border-color:var(--brand);color:var(--brand)}
/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.contact-box h3{font-size:18px;font-weight:700;margin:0 0 20px}
.contact-row{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line);font-size:16px}
.contact-row:last-child{border-bottom:none}
.contact-row .label{color:var(--muted);flex-shrink:0;min-width:60px}
.contact-row .value{text-align:right;font-weight:500}
.contact-row .value a{color:var(--brand);font-weight:600}
.spec-list{list-style:none;padding:0;margin:0;counter-reset:spec}
.spec-list li{counter-increment:spec;padding:10px 0 10px 36px;position:relative;font-size:15px;border-bottom:1px solid var(--line)}
.spec-list li:last-child{border-bottom:none}
.spec-list li::before{content:counter(spec);position:absolute;left:0;top:10px;width:24px;height:24px;background:var(--brand-soft);color:var(--brand);border-radius:6px;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
/* footer */
@media(max-width:767.98px){
  .hero{padding:80px 0 90px}
  .trust-item{border-right:none;border-bottom:1px solid var(--line)}
  .about-stats .stat b{font-size:20px}
}
/* 平板：保持横向导航，压缩字号与间距，强制单行不换行 */
@media(min-width:768px) and (max-width:991.98px){
  .hero{padding:90px 0 100px}
}