:root{--ink: #102018;--ink-2: #1c352c;--paper: #ffffff;--surface: #f5f8f6;--wash: #eaf3ef;--line: #d9e5df;--line-strong: #b8c9c1;--muted: #62736b;--green: #16834c;--green-dark: #0f6338;--blue: #2563eb;--cyan: #0f8ea8;--gold: #b7791f;--red: #b42318;--shadow: 0 18px 44px rgba(16, 32, 24, .11);color:var(--ink);background:var(--surface);font-family:Inter,SF Pro Display,SF Pro Text,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--surface);overflow-x:hidden}body,button,input{font:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{cursor:pointer}[id]{scroll-margin-top:96px}.app-shell{display:grid;grid-template-columns:282px minmax(0,1fr) 284px;gap:28px;width:min(1560px,100%);min-height:100vh;margin:0 auto;padding:84px 28px 56px;overflow-x:hidden}.top-bar{position:fixed;z-index:30;top:16px;left:50%;display:flex;width:min(720px,calc(100% - 32px));min-height:48px;transform:translate(-50%);align-items:center;justify-content:center;gap:8px;padding:6px;border:1px solid rgba(255,255,255,.32);border-radius:8px;background:#102018d6;color:#fff;box-shadow:0 16px 42px #10201838;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.top-link,.button,.rail-link,.brand{display:inline-flex;align-items:center}.top-link{min-height:36px;gap:7px;padding:0 12px;border-radius:7px;color:#ffffffd6;font-size:13px;font-weight:800;white-space:nowrap}.top-link:hover{background:#ffffff1f;color:#fff}.top-link.primary{background:#fff;color:var(--ink)}.side-nav,.right-rail{position:sticky;top:84px;align-self:start}.side-nav{max-height:calc(100vh - 104px);overflow:auto;padding:18px;border:1px solid var(--line);border-radius:8px;background:#ffffffdb;box-shadow:0 12px 34px #10201814;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{gap:10px;min-height:44px;margin-bottom:16px;color:var(--ink)}.brand-mark{display:inline-grid;width:40px;height:40px;place-items:center;border-radius:8px;background:linear-gradient(135deg,var(--green),var(--blue));color:#fff;font-size:13px;font-weight:950;letter-spacing:0}.brand strong,.brand small{display:block}.brand strong{font-size:15px;line-height:1.1}.brand small{margin-top:4px;color:var(--muted);font-size:12px}.nav-search{display:flex;min-height:40px;align-items:center;gap:8px;margin-bottom:18px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted)}.nav-search input{width:100%;min-width:0;border:0;outline:0;color:var(--ink);background:transparent;font-size:14px}.nav-search button{display:inline-grid;width:24px;height:24px;flex:0 0 auto;place-items:center;border:0;border-radius:6px;background:var(--wash);color:var(--ink)}.nav-group{margin-top:18px}.nav-group p{margin:0 0 8px;color:var(--muted);font-size:12px;font-weight:900}.nav-group a{display:flex;min-height:36px;align-items:center;gap:6px;padding:0 9px;border-radius:7px;color:#3d5148;font-size:14px;font-weight:700}.nav-group a:hover{background:var(--wash);color:var(--ink)}.nav-group a.active{background:#dff1e8;color:var(--green-dark)}.content{min-width:0;overflow-x:clip}.doc-hero,.doc-section{border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:0 14px 38px #10201814}.doc-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:20px;min-height:420px;padding:clamp(30px,5vw,56px);overflow:hidden;background:linear-gradient(90deg,#102018eb,#102018c7),url(/assets/office-hero-banner.png) center / cover;color:#fff}.hero-copy{max-width:760px}.eyebrow{margin:0 0 12px;color:var(--green);font-size:12px;font-weight:950;letter-spacing:0}.doc-hero .eyebrow{color:#77e6af}.doc-hero h1{max-width:740px;margin:0;font-size:clamp(38px,6vw,68px);line-height:1.02;letter-spacing:0}.doc-hero p:not(.eyebrow){max-width:700px;margin:20px 0 0;color:#ffffffe6;font-size:clamp(16px,2vw,19px);line-height:1.8}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.button{justify-content:center;gap:8px;min-height:42px;padding:0 15px;border:1px solid rgba(16,32,24,.12);border-radius:8px;background:#fff;color:var(--ink);font-weight:850}.button.primary{border-color:transparent;background:linear-gradient(135deg,var(--green),var(--blue));color:#fff;box-shadow:0 16px 34px #2563eb3d}.button.dark{border-color:transparent;background:var(--ink);color:#fff}.hero-status{display:grid;gap:8px;min-width:260px}.hero-status span{display:block;padding:10px 12px;border:1px solid rgba(255,255,255,.22);border-radius:7px;background:#ffffff1a;color:#ffffffe0;font-size:13px;font-weight:800;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.doc-section{margin-top:22px;padding:clamp(24px,4vw,42px);overflow-x:clip}.doc-section h2{max-width:860px;margin:0 0 20px;color:var(--ink);font-size:clamp(26px,3vw,40px);line-height:1.18;letter-spacing:0}.doc-section h3{margin:28px 0 12px;color:var(--ink-2);font-size:20px;line-height:1.35;letter-spacing:0}.doc-section p,.doc-section li{color:#34473e;font-size:16px;line-height:1.85}.doc-section p{margin:0 0 14px}.lead{max-width:900px;color:var(--ink);font-size:18px!important;line-height:1.85!important}.lead-grid,.architecture-grid,.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,38%);gap:24px;align-items:start}.signal-panel,.notice,.final-panel,.rail-card{border:1px solid var(--line);border-radius:8px;background:#f8fbf9}.signal-panel{padding:20px}.panel-title,.rail-label{margin:0 0 12px!important;color:var(--ink)!important;font-size:13px!important;font-weight:950}.check-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.check-list li{display:flex;align-items:flex-start;gap:9px;color:#2c4438}.check-list svg{flex:0 0 auto;margin-top:6px;color:var(--green)}.check-list.compact li{font-size:14px;line-height:1.55}.format-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.format-strip span{padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);font-size:13px;font-weight:850}.architecture-copy{min-width:0}.flow-line{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:24px}.flow-node,.delivery-node{display:grid;min-height:112px;align-content:center;justify-items:center;gap:10px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-align:center;font-size:14px;font-weight:850}.flow-node svg,.delivery-node svg,.card-icon{color:var(--green)}.media-frame{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}.media-frame img{width:100%;height:100%;min-height:260px;object-fit:cover}.media-frame.small img{min-height:300px}.cards{display:grid;gap:14px;margin-top:22px}.cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.info-card{min-width:0;padding:20px;border:1px solid var(--line);border-radius:8px;background:#fff}.card-icon{display:inline-grid;width:42px;height:42px;place-items:center;border-radius:8px;background:#e5f4ec}.info-card h3{margin:16px 0 8px}.info-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}.table-wrap{width:100%;max-width:100%;min-width:0;overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff}table{width:100%;min-width:760px;border-collapse:collapse}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#edf5f1;color:var(--ink);font-size:13px;font-weight:950}td{color:#2f443a;font-size:14px;line-height:1.65}tr:last-child td{border-bottom:0}.code-block{overflow:hidden;margin:14px 0 20px;border:1px solid #23382e;border-radius:8px;background:#0f1f18;box-shadow:0 14px 32px #10201824}.code-head{display:flex;min-height:42px;align-items:center;justify-content:space-between;gap:12px;padding:0 12px;border-bottom:1px solid rgba(255,255,255,.08);color:#ffffffb8;font-size:13px;font-weight:850}.code-head span,.code-head button{display:inline-flex;align-items:center;gap:7px}.code-head button{min-height:30px;padding:0 10px;border:1px solid rgba(255,255,255,.16);border-radius:6px;background:#ffffff14;color:#fff;font-size:12px;font-weight:850}pre{margin:0;overflow-x:auto;padding:18px;color:#d7f3e2;font:13px/1.75 SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;-moz-tab-size:2;tab-size:2}.notice{display:flex;gap:12px;align-items:flex-start;margin-top:18px;padding:16px}.notice svg{flex:0 0 auto;margin-top:4px;color:var(--blue)}.notice p{margin:0;color:#294237}.notice.warn{border-color:#f0d7a7;background:#fff9ed}.notice.warn svg{color:var(--gold)}.step-list,.flow-vertical,.handover-list{display:grid;gap:12px}.step-row,.flow-vertical-item,.handover-item{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff}.step-row>span,.flow-vertical-item>span{display:inline-grid;width:38px;height:38px;place-items:center;border-radius:8px;background:#e3f3eb;color:var(--green-dark);font-weight:950}.step-row h3,.handover-item h3{margin:0 0 4px;font-size:17px}.step-row p,.flow-vertical-item p,.handover-item p{margin:0;color:var(--muted);font-size:15px}.delivery-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.flow-vertical-item{align-items:start}.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.qa-item{display:flex;min-width:0;gap:9px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#2f443a;line-height:1.65}.qa-item svg,.handover-item svg{flex:0 0 auto;margin-top:4px;color:var(--green)}.final-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px;padding:22px;background:#eef7f2}.final-panel h3{margin-top:0}.right-rail{display:grid;gap:14px}.rail-card{padding:16px;background:#ffffffe6;box-shadow:0 12px 34px #10201814}.rail-card ul{display:grid;gap:10px;margin:0;padding:0;list-style:none}.rail-card li{display:flex;align-items:center;gap:8px;color:#3d5148;font-size:13px;font-weight:750}.rail-card li svg,.rail-link svg{flex:0 0 auto;color:var(--green)}.rail-link{min-height:34px;justify-content:space-between;gap:8px;padding:0 8px;border-radius:7px;color:#34473e;font-size:13px;font-weight:800}.rail-link span{flex:1}.rail-link:hover{background:var(--wash)}.rail-card.accent{border-color:#f0d7a7;background:#fff9ed}.rail-card.accent p:last-child{margin:0;color:#7a4a05;font-size:13px;line-height:1.7}@media(max-width:1280px){.app-shell{grid-template-columns:260px minmax(0,1fr)}.right-rail{display:none}}@media(max-width:980px){.app-shell{display:block;padding:78px 16px 42px}.side-nav{position:relative;top:auto;max-height:none;margin-bottom:16px}.side-nav nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.doc-hero,.lead-grid,.architecture-grid,.split{grid-template-columns:1fr}.hero-status{min-width:0}.cards.three,.cards.two,.flow-line,.delivery-grid,.qa-grid{grid-template-columns:1fr}}@media(max-width:620px){.top-bar{justify-content:flex-start;overflow-x:auto}.top-link{flex:0 0 auto}.side-nav nav{grid-template-columns:1fr}.doc-hero{min-height:360px;padding:26px}.doc-section{padding:22px 18px}.final-panel{display:block}.final-panel .button{width:100%;margin-top:10px}.step-row,.flow-vertical-item,.handover-item{grid-template-columns:1fr}pre{font-size:12px}}