/* 平台开发：沿用官网色彩，突出业务与真实系统界面。 */
.system-hero{padding:150px 0 64px;background:radial-gradient(ellipse at 85% 20%,rgba(47,230,255,.08),transparent 55%)}
.system-eyebrow{margin:20px 0 12px;color:var(--sub);font-size:18px;letter-spacing:3px}
.system-hero h1{font-size:clamp(30px,4.1vw,54px);line-height:1.35;letter-spacing:1px;max-width:1000px}
.system-lead{color:var(--sub);font-size:17px;line-height:1.9;max-width:780px;margin:24px 0}
.system-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 0}
.system-chain{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:50px;padding-top:24px;border-top:1px solid var(--line);color:var(--sub)}
.system-chain i{font-style:normal;color:var(--cyan)}
.system-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
.system-heading h2{font-size:clamp(25px,3vw,34px);margin-top:10px;line-height:1.5}
.system-heading p{color:var(--sub);max-width:330px}
.system-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.system-card{border:1px solid var(--line-strong);border-radius:18px;overflow:hidden;background:var(--card-2)}
.system-image{display:block;position:relative;overflow:hidden;background:#07172b;border-bottom:1px solid var(--line)}
.system-image img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:top;display:block;transition:transform .3s}
.system-image:hover img{transform:scale(1.025)}
.system-image>span{position:absolute;bottom:14px;left:14px;color:#eef6ff;background:#0a1122e8;border:1px solid #7092b955;border-radius:6px;padding:5px 10px;font-size:12px}
.system-card-body{padding:28px}
.system-card h3{font-size:26px;line-height:1.5;margin:10px 0}
.system-card h3 a{color:var(--txt)}
.system-card p{color:var(--sub)}
.system-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.system-tags span{border:1px solid var(--line);border-radius:5px;padding:3px 9px;font-size:12px;color:var(--sub)}
.system-note{font-size:13px;color:var(--sub);line-height:1.9;border-left:2px solid var(--line-strong);padding:8px 16px;margin:28px 0}
.system-capabilities{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.system-capabilities article{border-top:1px solid var(--line-strong);padding-top:24px}
.system-capabilities article>span{font-size:32px;color:var(--cyan);font-weight:300}
.system-capabilities h3{font-size:20px;margin:12px 0}
.system-capabilities p,.system-steps p,.system-modules p{color:var(--sub);font-size:15px;line-height:1.9}
.system-steps{list-style:none;counter-reset:delivery;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.system-steps li{counter-increment:delivery;border-left:1px solid var(--line-strong);padding-left:20px}
.system-steps li:before{content:'0' counter(delivery);display:block;color:var(--cyan);font-size:13px;margin-bottom:12px}
.system-steps b{display:block;margin-bottom:10px;font-size:18px}
.system-breadcrumb{font-size:13px;color:var(--sub);margin-bottom:36px}
.system-breadcrumb a{color:var(--sub)}
.system-detail-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:45px;align-items:center}
.system-detail-hero h1{font-size:clamp(30px,3.5vw,44px);margin-top:16px}
.system-detail-intro{font-size:21px;line-height:1.6;margin:20px 0;color:var(--cyan)}
.system-detail-hero .system-lead{font-size:16px}
.system-detail-hero figure{min-width:0}
.system-detail-hero img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.system-detail-hero figcaption{font-size:12px;color:var(--sub);margin-top:12px;text-align:right}
.system-audience{font-size:13px;color:var(--sub);margin-top:24px}
.system-problem h2{font-size:clamp(25px,3vw,34px);margin:12px 0 24px}
.system-problem>p{color:var(--sub);max-width:880px;font-size:17px}
.system-story{margin-top:32px;padding:24px;border:1px solid var(--line-strong);border-radius:10px;background:rgba(47,230,255,.03);line-height:2;color:var(--cyan)}
.system-modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.system-modules article{border-top:1px solid var(--line);padding-top:24px}
.system-modules h3{font-size:20px;margin:14px 0}
.system-route{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin:32px 0}
.system-route li{display:flex;gap:12px;align-items:center;padding:12px 16px;border:1px solid var(--line-strong);border-radius:8px}
.system-route span{color:var(--cyan);font-size:12px}
.system-custom{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.system-custom h2{font-size:clamp(25px,3vw,34px);margin:12px 0 20px}
.system-custom p{color:var(--sub)}
.system-custom ul{list-style:none}
.system-custom li{padding:16px 0;border-bottom:1px solid var(--line);color:var(--sub)}
.system-custom li:before{content:'✓';color:var(--cyan);margin-right:14px}
a:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
@media(max-width:1000px){.system-detail-hero{grid-template-columns:1fr}.system-detail-hero figure{max-width:800px}.system-capabilities,.system-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.system-modules{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.system-hero{padding:115px 0 44px}.system-grid,.system-custom,.system-modules{grid-template-columns:1fr}.system-heading{align-items:start;flex-direction:column;gap:12px}.system-heading p{max-width:none}.system-card-body{padding:22px}.system-card h3{font-size:23px}.system-chain{gap:12px;font-size:13px;margin-top:32px}.system-custom{gap:24px}.system-detail-hero{gap:28px}.system-hero h1 br{display:none}.system-lead{font-size:16px}.system-route{gap:8px}.system-route li{font-size:14px}.system-story{padding:18px}.system-capabilities,.system-steps{gap:24px 18px}}
@media(prefers-reduced-motion:reduce){.system-image img{transition:none}}