:root{color-scheme:light;--canvas:#f4f6f8;--surface:#fff;--ink:#253347;--muted:#657184;--accent:#486b96;--line:#e1e6ec;font-family:"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--canvas);font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}a:focus-visible{outline:3px solid var(--accent);outline-offset:6px;border-radius:6px}.site-header,main,footer{width:min(1080px,calc(100% - 96px));margin-inline:auto}.site-header{height:108px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:12px;font-size:21px;font-weight:650;letter-spacing:-.7px}.brand-dot{color:var(--accent)}nav{display:flex;gap:32px;font-size:14px;color:var(--muted)}nav a{padding:8px 0}nav a:hover,.nav-current{color:var(--ink)}.intro{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:72px 0 76px}.intro h1{font-size:clamp(34px,3.5vw,46px);font-weight:600;line-height:1.4;letter-spacing:-1.5px;margin:0 0 20px}.intro p{font-size:16px;color:var(--muted);line-height:1.95;margin:0 0 32px}.primary-link{display:inline-flex;align-items:center;justify-content:center;gap:24px;border-radius:9px;padding:13px 21px;color:white;background:var(--accent);font-weight:500;box-shadow:0 4px 8px #25334708}.primary-link svg{width:19px;height:19px}.primary-link:hover{background:#3d5c83}.space-art{padding:22px 6px 0 10px}.art-frame{background:white;border:1px solid #dce3eb;border-radius:14px;box-shadow:0 22px 55px -25px #2e456d38;transform:rotate(-3deg);overflow:hidden}.art-top{height:32px;display:flex;gap:5px;align-items:center;padding:0 14px;border-bottom:1px solid #edf0f4}.art-top i{width:5px;height:5px;border-radius:50%;background:#d4dce5}.art-body{display:flex;height:230px}.art-sidebar{width:66px;border-right:1px solid #edf0f4;background:#fafbfd;padding:20px 15px}.art-sidebar b{display:block;width:22px;height:22px;border-radius:7px;background:#7791b1;margin-bottom:26px}.art-sidebar span{display:block;width:25px;height:4px;background:#dce3ec;border-radius:2px;margin-bottom:15px}.art-content{flex:1;padding:26px}.art-line{height:8px;width:98px;background:#bbc8d9;border-radius:3px;margin-bottom:10px}.art-line.short{height:5px;width:148px;background:#e7ecf2}.art-chart{height:110px;margin-top:12px;display:flex;gap:12px;align-items:flex-end;border-bottom:1px solid #e8edf3;padding:0 10px}.art-chart span{flex:1;background:#dbe4ef;border-radius:4px 4px 0 0;height:35%}.art-chart span:nth-child(2){height:48%}.art-chart span:nth-child(3){height:40%}.art-chart span:nth-child(4){height:64%;background:#b3c4da}.art-chart span:nth-child(5){height:59%;background:#98aecb}.art-chart span:nth-child(6){height:78%;background:#7592b5}.art-chart span:nth-child(7){height:92%;background:#486b96}.art-bottom{display:flex;gap:12px;margin-top:20px}.art-bottom span{height:5px;width:70px;background:#e7ecf2;border-radius:3px}.art-note{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:28px;color:#7c8796;font-size:12px}.art-note svg{width:16px;height:16px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-heading h2{font-size:19px;font-weight:600;margin:0}.section-heading>span{font-size:13px;color:#7a8593}.space-list{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}.space-row{display:flex;align-items:center;gap:20px;min-height:112px;padding:26px 30px}.space-row+.space-row{border-top:1px solid #eaf0f4}.space-row:hover{background:#fafcfe}.space-icon{background:#edf2f8;border-radius:13px;width:48px;height:48px;display:grid;place-items:center;color:var(--accent);flex-shrink:0}.space-icon.muted{background:#f2f4f7;color:#6e7e91}.space-text{flex:1;display:grid;gap:5px}.space-text strong{font-size:16px;font-weight:600}.space-text>span{font-size:13px;color:var(--muted)}.access-label{display:flex;align-items:center;gap:5px;font-size:12px;color:#7a8697;white-space:nowrap}.access-label svg{width:13px;height:13px}.row-chevron{width:18px;height:18px;margin-left:12px;color:#98a4b2}footer{display:flex;justify-content:space-between;color:#8791a0;font-size:12px;padding:36px 0 32px;margin-top:26px}
@media(min-width:1500px){.intro{padding-top:100px;padding-bottom:100px}}@media(max-width:760px){.site-header,main,footer{width:calc(100% - 40px)}.site-header{height:84px}.brand{font-size:19px;gap:9px}.brand img{width:32px;height:32px}nav{gap:20px;font-size:12px}.intro{grid-template-columns:1fr;gap:32px;padding:40px 0 48px}.intro h1{font-size:34px;letter-spacing:-1px}.intro p{font-size:14px;margin-bottom:24px}.space-art{width:min(360px,100%);margin:auto;padding:0 5px}.art-body{height:180px}.art-content{padding:19px}.art-sidebar{width:55px;padding:18px 12px}.art-chart{height:82px;gap:8px}.art-bottom{margin-top:14px}.art-note{margin-top:20px}.section-heading>span{font-size:11px}.space-row{padding:22px 18px;gap:14px;flex-wrap:wrap;min-height:110px}.space-icon{width:42px;height:42px;border-radius:11px}.space-text>span{font-size:12px}.access-label{display:none}.row-chevron{margin-left:0}.space-text strong{font-size:15px}footer{font-size:11px;margin-top:12px;padding:26px 0 30px;gap:12px}}@media(max-width:370px){nav .nav-current{display:none}.space-text>span{max-width:190px}.intro h1{font-size:30px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Technology direction v2: quiet navy, ice blue, precise wireframes. */
:root{color-scheme:dark;--canvas:#101c2b;--surface:#17283b;--ink:#e6eef7;--muted:#a0b1c5;--accent:#88bfe9;--line:#30465e}body{background-color:var(--canvas);background-image:linear-gradient(#8bbfe908 1px,transparent 1px),linear-gradient(90deg,#8bbfe908 1px,transparent 1px);background-size:64px 64px}.site-header{border-bottom:1px solid #8bbfe919}.brand-dot{color:#91cafa}nav{color:#9bb0c7}nav a:hover,.nav-current{color:#e6eef7}.intro h1{font-weight:550;letter-spacing:-1px}.primary-link{background:#a3d3f5;color:#132436;box-shadow:0 0 24px #73b6f014;border:1px solid #b8dffa;border-radius:7px}.primary-link:hover{background:#c1e5ff}.art-frame{background:#182a3d;border-color:#46617c;border-radius:10px;box-shadow:0 24px 70px -24px #0009,0 0 44px #69acf00a}.art-top{border-color:#30465e;background:#1b2e43}.art-top i{background:#688bac}.art-body{background:#16283b}.art-sidebar{background:#142337;border-color:#30465e}.art-sidebar b{background:#82b9e4;border-radius:5px}.art-sidebar span{background:#35516d}.art-content{background-image:linear-gradient(#8bbfe908 1px,transparent 1px),linear-gradient(90deg,#8bbfe908 1px,transparent 1px);background-size:20px 20px}.art-line{background:#7195b8}.art-line.short,.art-bottom span{background:#314e6a}.art-chart{border-color:#3a5672}.art-chart span{background:#3a5f82}.art-chart span:nth-child(4){background:#517ea7}.art-chart span:nth-child(5){background:#6596c0}.art-chart span:nth-child(6){background:#80b3dc}.art-chart span:nth-child(7){background:#a3d3f5;box-shadow:0 0 20px #a3d3f51a}.art-note{color:#8ba6c0}.section-heading>span{color:#8ba1ba}.space-list{background:#17283bf5;border-color:#30465e;border-radius:12px}.space-row+.space-row{border-color:#30465e}.space-row:hover{background:#1b3047}.space-icon{background:#203d59;color:#a3d3f5;border:1px solid #365b7e;border-radius:10px}.space-icon.muted{background:#1d3248;color:#a1b8d1;border-color:#304d69}.space-text>span{color:#9fb2c8}.access-label{color:#99b0ca}.row-chevron{color:#91b8dc}footer{color:#8aa2bc;border-top:1px solid #8bbfe919}
.services-main{padding-top:52px}.service-heading{margin-bottom:36px}.service-eyebrow{font-size:13px;color:#8db5d9}.service-heading h1{font-size:36px;font-weight:550;letter-spacing:-1px;margin:10px 0}.service-heading p{color:var(--muted);margin:0}.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.service-card{display:block;background:#17283bf5;border:1px solid #30465e;border-radius:12px;padding:28px}.service-card:hover{background:#1b3047;border-color:#6086ab}.service-card-top{display:flex;align-items:center;gap:12px}.service-letter{display:grid;place-items:center;width:40px;height:40px;background:#203d59;color:#b8ddfa;border:1px solid #365b7e;border-radius:10px;font-size:18px;font-weight:550}.service-kind{flex:1;color:#9fb2c8;font-size:12px}.service-card-top svg{width:17px;height:17px;color:#91b8dc}.service-card h2{font-size:21px;font-weight:550;margin:22px 0 8px}.service-card p{color:#9fb2c8;font-size:14px;margin:0 0 24px}.service-protocol{font-size:12px;color:#aec8df;padding:5px 9px;background:#102134;border:1px solid #304d69;border-radius:5px}.service-note{font-size:12px;color:#9fb2c8;margin:24px 0 44px;line-height:1.9;max-width:720px}.infra-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #30465e;margin:0}.infra-list>div{display:flex;justify-content:space-between;padding:18px 20px 18px 0;border-bottom:1px solid #263b50;gap:20px}.infra-list dt{font-size:14px;color:#c4d6e7}.infra-list dd{font-size:12px;color:#90a8c1;margin:0;text-align:right}@media(max-width:650px){.services-main{padding-top:32px}.service-heading h1{font-size:29px}.service-grid{grid-template-columns:1fr;gap:14px}.service-card{padding:22px}.service-card h2{margin-top:18px}.infra-list{grid-template-columns:1fr}.infra-list>div{padding-right:0}.infra-list dd{font-size:11px}.service-note{margin-bottom:32px}}
.maintenance-access{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:24px;background:#17283b;border:1px solid #30465e;border-radius:12px}.maintenance-access h2{font-size:19px;font-weight:550;margin:0 0 8px}.maintenance-access p{font-size:13px;color:#9fb2c8;max-width:520px;margin:0}.maintenance-actions{display:flex;gap:10px;flex-wrap:wrap}.copy-command{font:inherit;font-size:12px;color:#b8ddfa;background:#20364e;border:1px solid #45617d;border-radius:6px;padding:10px 13px;cursor:pointer}.copy-command:hover{background:#2c4865}.copy-command:focus-visible{outline:3px solid #a3d3f5;outline-offset:3px}.maintenance-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.maintenance-card{background:#17283b;border:1px solid #30465e;border-radius:12px;padding:24px;min-width:0}.maintenance-title{display:flex;justify-content:space-between;align-items:center;gap:15px}.maintenance-title h2{font-size:18px;font-weight:550;margin:0}.maintenance-title>span{font-size:11px;color:#9fb2c8}.maintenance-card p{font-size:13px;color:#9fb2c8;margin:12px 0}.maintenance-card>code{display:block;font-size:11px;color:#b8cfe3;overflow-wrap:anywhere;margin-bottom:22px}.maintenance-bottom{margin-top:28px}.copy-feedback{position:sticky;bottom:20px;background:#20364e;color:#e6eef7;border-radius:8px;overflow-wrap:anywhere;font-size:13px}.copy-feedback:not(:empty){padding:14px 18px;border:1px solid #6086ab}@media(max-width:760px){.maintenance-grid{grid-template-columns:1fr}.maintenance-access{display:block}.maintenance-access>.maintenance-actions{margin-top:20px}.maintenance-card{padding:20px}.copy-command{font-size:11px;padding:10px}.maintenance-title h2{font-size:17px}}
.binding-links{display:flex;gap:24px;flex-wrap:wrap;margin:0 0 32px;color:#b8ddfa;font-size:13px}.binding-links a{text-decoration:underline;text-underline-offset:5px}