:root{--paper:#f7f4ee;--card:#fffdf9;--ink:#1d1c19;--ink-2:#45423b;--muted:#77736a;--line:#e3ddd0;--line-strong:#cbc2ae;--base:#e6dfcf;--accent:#b5442b;--accent-strong:#8f321d;--accent-soft:#f6e6df;--dark:#22211d;--blue:#2d5878;--ochre:#87601a;--green:#4c6a2a;--radius:12px;--radius-sm:8px;--shadow:0 1px 2px #1d1c1908,0 8px 24px #1d1c1908;--ease:cubic-bezier(.16,1,.3,1);--font:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;--mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px;-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.7 var(--font);color:var(--ink);background:var(--paper)}h1,h2,h3,p,figure,ol,ul{margin:0}h1,h2,h3{line-height:1.35;font-weight:650}ul,ol{list-style:none;padding:0}b,strong{font-weight:600}a{color:var(--accent);text-underline-offset:4px}button{font:inherit;cursor:pointer;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button:disabled{cursor:default}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:5px}img{display:block;max-width:100%}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:middle}.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}.wrap{max-width:1040px;padding:0 40px;margin:0 auto}.chapter{padding-top:96px;scroll-margin-top:8px}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow)}.mini-label,.tiny-index,.kicker,.edition{font-family:var(--mono);font-size:11px;letter-spacing:.11em}.mini-label{color:var(--muted)}.tiny-index{color:var(--muted);font-size:10px}.pill{display:inline-flex;align-items:center;padding:1px 9px;border:1px solid var(--accent);border-radius:99px;font-size:11px;font-weight:500;letter-spacing:0;line-height:1.7}.pill.solid{background:var(--accent);color:#fff;border-color:var(--accent)}.demo-label{font-size:11px;border:1px solid var(--line-strong);border-radius:99px;padding:2px 8px;white-space:nowrap;color:var(--muted);line-height:1.6}.dark-label{border-color:#ffffff35;color:#d1c5b4}.note{margin-top:16px;padding:10px 14px;font-size:13px;background:#1d1c1906;border-radius:var(--radius-sm);color:var(--ink-2)}.skip-link{position:fixed;left:16px;top:-70px;padding:10px 16px;z-index:110;background:var(--card)}.skip-link:focus{top:12px}.reading-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:50;pointer-events:none}.reading-progress i{display:block;height:100%;background:var(--accent);transform-origin:left;transform:scaleX(0)}
/* 导航：桌面刻度，手机目录 */
.toc{position:fixed;left:12px;top:50%;transform:translateY(-50%);z-index:40;transition:opacity .6s var(--ease)}body.is-idle .toc:not(:hover):not(:focus-within):not(.open){opacity:.35}.toc-toggle,.toc-scrim{display:none}.toc-panel{width:210px;padding:16px 10px;background:transparent;border:1px solid transparent;border-radius:14px;max-height:85vh;overflow:auto;scrollbar-width:none;clip-path:inset(0 calc(100% - 34px) 0 0 round 12px);transition:clip-path .35s var(--ease),background .25s,border-color .25s,box-shadow .25s}.toc-panel::-webkit-scrollbar{display:none}.toc:hover .toc-panel,.toc:focus-within .toc-panel{clip-path:inset(0 0 0 0 round 14px);background:#fffdf9f5;border-color:var(--line);box-shadow:0 18px 48px #1d1c1920;backdrop-filter:blur(10px)}.toc-brand,.toc-foot,.toc a>span{opacity:0;transition:opacity .2s}.toc:hover .toc-brand,.toc:hover .toc-foot,.toc:hover a>span,.toc:focus-within .toc-brand,.toc:focus-within .toc-foot,.toc:focus-within a>span{opacity:1}.toc-brand{padding:0 10px 12px 28px;border-bottom:1px solid var(--line);margin-bottom:10px}.toc-brand b{font-size:13px;display:block}.toc-brand span{display:block;font-size:11px;color:var(--muted)}.toc a{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink-2);height:38px;padding:0 3px;border-radius:6px;font-size:13px}.toc a>i{display:block;width:17px;height:2px;background:var(--line-strong);transform:scaleX(.65);transform-origin:left;transition:transform .25s,background .25s;flex:none}.toc a>span{display:flex;align-items:center;gap:9px;white-space:nowrap}.toc a small{font:10px var(--mono);color:var(--muted)}.toc a em{font-style:normal;font-size:9px;border:1px solid var(--accent);color:var(--accent);border-radius:99px;padding:0 5px}.toc a:hover{background:#1d1c1905}.toc a[aria-current]{color:var(--accent)}.toc a[aria-current]>i{background:var(--accent);transform:none}.toc-foot{font-size:11px;color:var(--muted);margin-top:10px;border-top:1px solid var(--line);padding:12px 0 0 28px}
/* 结论页 */
.hero{padding-top:32px}.masthead{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;margin-bottom:52px;border-bottom:1px solid var(--line);color:var(--ink-2)}.wordmark{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.05em}.brand-mark{width:25px;height:25px;display:grid;place-items:center;background:var(--accent);color:var(--card);font-size:14px;border-radius:5px}.edition{font-size:10px;color:var(--muted)}.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.05em;color:var(--muted);flex-wrap:wrap}.eyebrow-sep{color:var(--line-strong);margin:0 3px}.status-dot{display:inline-block;width:5px;height:5px;flex:none;border-radius:50%;background:var(--accent)}.hero h1{font-size:clamp(34px,4vw,54px);line-height:1.24;letter-spacing:-.035em;font-weight:700;margin-top:18px}.hero h1 em{font-style:normal;color:var(--accent)}.lead{font-size:17px;max-width:43em;line-height:1.9;color:var(--ink-2);margin-top:22px}.direction-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:10px;margin-top:32px}.direction{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-height:146px;padding:20px 18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);text-decoration:none;color:var(--ink);transition:transform .25s var(--ease),border-color .25s}.direction:hover{transform:translateY(-3px);border-color:var(--line-strong)}.direction b{font-size:17px;margin-top:13px}.direction small{font-size:12px;margin-top:6px;line-height:1.7;color:var(--muted)}.direction.featured{background:var(--dark);color:var(--paper);border-color:var(--dark)}.direction.featured small{color:#bdb6a8}.direction.featured>.icon{position:absolute;top:23px;right:17px;width:16px;color:#d8c3b5}.foundation-bar{display:flex;align-items:center;gap:16px;padding:13px 18px;margin-top:10px;border-radius:var(--radius);background:repeating-linear-gradient(135deg,#ece5d6 0 10px,var(--base) 10px 20px);color:var(--ink);text-decoration:none;font-size:13px}.foundation-bar b{white-space:nowrap}.foundation-bar span{color:var(--ink-2)}.foundation-bar>.icon{margin-left:auto;width:17px}.section-label{display:flex;justify-content:space-between;margin-top:32px;margin-bottom:12px;font-size:12px;color:var(--muted)}.section-label>span{font:9px var(--mono);letter-spacing:.1em}.reasons{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.reasons li{border-top:1.5px solid var(--ink);padding-top:12px}.reasons li>span{display:block;font:11px var(--mono);color:var(--accent)}.reasons b{display:block;font-size:15px;margin-top:6px}.reasons small{display:block;font-size:12px;margin-top:3px;color:var(--muted)}.hero-foot{margin-top:30px;border-top:1px solid var(--line);padding-top:17px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}.hero-foot>a{display:flex;align-items:center;gap:8px;text-decoration:none;font-size:12px}.hero-foot>a>.icon{width:16px}.line-dot{display:inline-block;width:12px;height:1px;background:var(--accent);vertical-align:middle;margin-right:8px}
/* 通用章节与现状 */
.section-head{margin-bottom:26px}.kicker{color:var(--accent);display:flex;align-items:center;gap:10px}.section-head h2{font-size:clamp(25px,2.5vw,34px);font-weight:700;margin-top:8px;letter-spacing:-.025em}.section-head>p{color:var(--ink-2);font-size:15px;max-width:49em;margin-top:12px;line-height:1.85}.expectation{padding:25px 28px;border-radius:var(--radius);background:var(--dark);color:var(--paper);margin-bottom:14px;display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}.expectation .mini-label{width:100%;color:#bdb6a8}.expectation p{font-size:19px;line-height:1.6;flex:1;min-width:240px}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare-card{padding:22px}.compare-heading{display:flex;align-items:center;gap:12px;padding-bottom:15px;border-bottom:1px solid var(--line)}.compare-heading h3{font-size:17px}.target-card .compare-heading .tiny-index{color:var(--accent)}.fact-list li{display:flex;gap:15px;margin-top:18px}.fact-list li>span{font:11px var(--mono);color:var(--muted);padding-top:4px}.fact-list b{font-size:14px}.fact-list p{margin-top:3px;color:var(--muted);font-size:13px}
/* 架构与数据流 */
.architecture-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:42px;align-items:center}.pyramid{display:grid;gap:6px;text-align:center}.tier{display:flex;flex-direction:column;justify-content:center;min-height:84px;gap:5px;margin:0 auto;padding:12px 20px;clip-path:polygon(6% 0,94% 0,100% 100%,0 100%);background:var(--base)}.tier>span{font:9px var(--mono);letter-spacing:.1em;opacity:.65}.tier>b{font-size:17px}.tier-1{width:100%;--tier-delay:0ms}.tier-2{width:84%;background:var(--card);--tier-delay:150ms}.tier-3{width:68%;background:var(--accent);color:var(--card);--tier-delay:300ms}.tier-4{width:52%;background:var(--dark);color:var(--card);--tier-delay:450ms;clip-path:polygon(12% 0,88% 0,100% 100%,0 100%)}.diagram-caption{margin-top:8px;color:var(--muted);font-size:11px}.capability-list{display:grid;gap:12px}.capability{padding:17px 20px;border-left-width:3px}.capability.blue{border-left-color:var(--blue)}.capability.ochre{border-left-color:var(--ochre)}.capability.green{border-left-color:var(--green)}.capability h3{font-size:16px;margin-top:5px}.capability p{font-size:13px;color:var(--muted);margin-top:5px}.flow-panel{display:grid;grid-template-columns:1fr 75px 1fr 48px 1.2fr;gap:0;align-items:center;padding:24px;margin-top:26px}.flow-sources .mini-label,.flow-output .mini-label{display:block;margin-bottom:10px}.source-item{display:flex;justify-content:space-between;border:1px solid var(--line);border-radius:6px;padding:8px 10px;background:var(--paper);font-size:13px;margin-top:6px}.source-item span{font:10px var(--mono);color:var(--muted);align-self:center}.merge-lines{width:100%;height:154px;overflow:visible}.merge-lines path{fill:none;stroke:var(--accent);stroke-width:1.2;stroke-dasharray:4 6;animation:dash 2s linear infinite}.flow-center{background:var(--dark);color:var(--card);border-radius:10px;display:flex;align-items:center;text-align:center;flex-direction:column;padding:22px 10px;gap:6px}.flow-center .icon{color:#efb39e;width:24px;height:24px}.flow-center b{font-size:15px}.flow-center small{font-size:11px;color:#bdb6a8}.flow-arrow{height:2px;background:repeating-linear-gradient(90deg,var(--accent) 0 5px,transparent 5px 10px);margin:0 9px;position:relative;animation:arrow-flow 1.5s linear infinite}.flow-arrow:after{content:"";position:absolute;right:-3px;top:-3px;border:4px solid transparent;border-right:0;border-left:6px solid var(--accent)}.flow-output{padding-left:6px}.flow-output b{font-size:15px}.flow-output p{font-size:12px;color:var(--muted);margin-top:7px}
/* 执行流程与环形 */
.part-title{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}.part-title>span:first-child{font:11px var(--mono);background:var(--ink);color:var(--card);border-radius:4px;padding:3px 6px}.part-title h3{font-size:16px}.part-title>.demo-label{margin-left:auto}.part-title.spaced{margin-top:36px}.pipeline{padding:22px}.pipeline-steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;margin-left:106px;margin-bottom:17px}.pipeline-steps li{word-break:keep-all;padding:10px 3px;text-align:center;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:12px;background:var(--paper)}.pipeline-steps li>span{display:block;color:var(--muted);font:10px var(--mono);margin-bottom:5px}.pipeline-steps li.human{background:var(--accent-soft);border-color:#c87d66;color:var(--accent-strong)}.pipeline-steps li.human>span{color:var(--accent)}.lane{display:grid;grid-template-columns:96px 1fr;gap:4px 10px;align-items:center;margin-top:12px}.lane-label{display:flex;align-items:center;gap:8px;font-size:12px}.lane-label.accent{color:var(--accent)}.lane-dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}.lane-dot.muted{background:var(--line-strong)}.track{height:25px;background:var(--paper);border:1px solid var(--line);border-radius:99px;position:relative;overflow:hidden}.runner{position:absolute;top:50%;width:14px;height:14px;margin-top:-7px;margin-left:-7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #b5442b16;left:8.33%}.runner.manual{background:var(--line-strong);box-shadow:none;animation:manual-run 10s linear infinite}.runner.assisted{animation:assisted-run 10s linear infinite}.lane>small{grid-column:2;font-size:11px;color:var(--muted)}.cycle-layout{display:grid;grid-template-columns:400px 1fr;gap:44px;align-items:center}.cycle{position:relative;width:min(100%,400px);aspect-ratio:1;margin:0 auto}.cycle-orbit{width:100%;height:100%;position:absolute;inset:0}.cycle-orbit>circle{fill:none;stroke:var(--line-strong);stroke-width:1.5;stroke-dasharray:4 7}.cycle-arc{transform-origin:200px 200px;animation:orbit 9.6s linear infinite}.cycle-arc circle{fill:none;stroke:var(--accent);stroke-width:3;stroke-dasharray:130 1000;stroke-linecap:round;transform:rotate(-90deg);transform-origin:200px 200px}.cycle-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:48%;text-align:center}.cycle-center>.icon{color:var(--accent);margin-bottom:8px}.cycle-center b,.cycle-center small{display:block}.cycle-center b{font-size:15px}.cycle-center small{font-size:11px;color:var(--muted);margin-top:4px}.cycle-node{position:absolute;transform:translate(-50%,-50%);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;padding:8px 6px;width:92px;text-align:center;font-size:12px;animation:node-highlight 9.6s infinite;animation-delay:calc(var(--i)*1.6s)}.cycle-node>small{display:block;font:10px var(--mono);color:var(--muted);margin-bottom:3px}.cycle-node.human{border-style:dashed}.n0{left:50%;top:13.5%}.n1{left:81.61%;top:31.75%}.n2{left:81.61%;top:68.25%}.n3{left:50%;top:86.5%}.n4{left:18.39%;top:68.25%}.n5{left:18.39%;top:31.75%}.module-detail h3{font-size:24px;margin-top:10px}.module-detail>p{font-size:14px;color:var(--ink-2);line-height:1.9;margin-top:14px}.check-list{margin-top:20px;display:grid;gap:10px}.check-list li{font-size:13px;color:var(--ink-2);display:flex;gap:9px;align-items:center}.check-list .icon{color:var(--accent);width:16px;height:16px}.outcome-strip{display:grid;grid-template-columns:1.2fr 1fr 1fr .7fr;margin-top:22px}.outcome-strip>div{padding:16px 18px}.outcome-strip>div+div{border-left:1px solid var(--line)}.outcome-strip span{font-size:11px;display:block;color:var(--muted);margin-bottom:4px}.outcome-strip>div:first-child span{color:var(--green)}.outcome-strip b{font-size:13px;font-weight:500}
/* 成果与对话 */
.delivery-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:16px;align-items:start}.showcase{overflow:hidden}.preview-trigger{border:0;border-bottom:1px solid var(--line);padding:0;width:100%;position:relative;display:block;background:var(--base);cursor:zoom-in;overflow:hidden}.preview-trigger img{width:100%;height:auto;transition:transform .45s var(--ease)}.preview-trigger:hover img{transform:scale(1.015)}.zoom-label{position:absolute;right:12px;bottom:12px;background:#22211ddd;border:1px solid #ffffff30;border-radius:99px;color:var(--card);padding:4px 10px;font-size:11px;display:flex;align-items:center;gap:6px}.zoom-label .icon{width:13px;height:13px}.showcase figcaption{padding:16px;display:flex;gap:10px;justify-content:space-between;align-items:flex-start}.showcase figcaption b{font-size:14px}.showcase figcaption p{font-size:12px;color:var(--muted);margin-top:4px}.delivery-side{display:grid;gap:14px}.deliverable-note{display:flex;gap:13px;padding:16px}.deliverable-note>.icon{color:var(--accent);margin-top:2px}.deliverable-note h3{font-size:14px}.deliverable-note p{font-size:12px;color:var(--muted);margin-top:4px}.chat{overflow:hidden;background:#f0f1f2}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:13px 15px;background:var(--card);border-bottom:1px solid var(--line)}.chat-header b{display:block;font-size:13px}.chat-header span{font-size:10px;color:var(--muted)}.replay{display:none;align-items:center;gap:5px;font-size:11px;border:1px solid var(--line);padding:0 9px;min-height:36px;background:transparent;border-radius:7px;color:var(--ink-2)}.js .replay{display:inline-flex}.replay:hover{background:var(--paper)}.replay .icon{width:13px;height:13px}.chat-messages{display:grid;gap:13px;padding:15px;min-height:330px;align-content:start}.message{display:grid;grid-template-columns:25px 1fr;gap:8px}.avatar{width:25px;height:25px;background:#6b746d;color:#fff;border-radius:7px;font-size:11px;display:grid;place-items:center;margin-top:3px}.assistant-avatar{background:var(--accent)}.message small{display:block;font-size:10px;color:var(--muted);margin-bottom:3px}.message p{background:var(--card);padding:8px 10px;border-radius:0 9px 9px 9px;font-size:12px;line-height:1.7}.chat-footer{padding:10px 15px;border-top:1px solid #e2e3e2;font-size:10px;color:var(--muted);display:flex;gap:8px;align-items:center}.chat.chat-armed .message{opacity:0;transform:translateY(8px)}.chat.chat-armed .message.is-shown{opacity:1;transform:none;transition:opacity .45s var(--ease),transform .45s var(--ease)}
/* 排期与配合 */
.gantt-scroll{overflow-x:auto;overscroll-behavior-x:contain}.gantt{min-width:740px;display:grid;grid-template-columns:124px repeat(9,minmax(0,1fr));grid-template-rows:55px repeat(5,47px);gap:0;padding:12px 18px 20px 0}.gantt-corner{grid-column:1;grid-row:1;align-self:center;padding-left:20px;font-size:12px;color:var(--muted)}.gantt-phase{grid-row:1;border-bottom:1px solid var(--line);margin:0 4px;display:grid;align-items:center;text-align:center;font-size:12px}.phase-a{grid-column:2/5;border-color:var(--accent);color:var(--accent)}.phase-b{grid-column:5/8}.phase-c{grid-column:8/11}.gantt-label{grid-column:1;grid-row:var(--row);font-size:12px;align-self:center;padding-left:20px}.gantt-bar{position:relative;isolation:isolate;grid-column:var(--start)/var(--end);grid-row:var(--row);align-self:center;margin:0 4px;height:26px;border-radius:99px;color:#fff;font-size:11px;display:flex;align-items:center;padding:0 10px;overflow:hidden;white-space:nowrap}.gantt-bar>i{position:absolute;inset:0;background:var(--ink-2);border-radius:inherit;z-index:-1;transform-origin:left}.gantt-bar.key>i{background:var(--accent)}.gantt-bar.striped>i{background:repeating-linear-gradient(135deg,var(--accent-soft) 0 6px,#efd4c9 6px 12px);border:1px solid #cb8b75}.gantt-bar.striped{color:var(--accent-strong)}.gantt-bar.soft>i{background:var(--base)}.gantt-bar.soft{color:var(--ink-2)}.gantt-caption{display:flex;justify-content:space-between;gap:10px;margin-top:10px;color:var(--muted);font-size:11px;flex-wrap:wrap}.gantt-caption>div{display:flex;align-items:center;gap:6px}.legend-swatch{width:17px;height:8px;display:inline-block;border-radius:99px;margin-left:7px}.legend-swatch:first-child{margin-left:0}.legend-swatch.key{background:var(--accent)}.legend-swatch.striped{background:repeating-linear-gradient(135deg,var(--accent-soft) 0 3px,#efd4c9 3px 6px);border:1px solid #cb8b75}.legend-swatch.soft{background:var(--base)}.mobile-hint{display:none}.milestones{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.milestone{padding:20px}.milestone>span{font:10px var(--mono);color:var(--muted);letter-spacing:.08em}.milestone h3{font-size:16px;margin-top:8px}.milestone p{font-size:13px;color:var(--ink-2);margin-top:7px}.milestone>small{display:block;font-size:11px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px;margin-top:14px}.milestone.first{border-color:var(--accent)}.milestone.first>span{color:var(--accent)}.roles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.role{padding:20px}.role-index{font:12px var(--mono);color:var(--accent)}.role h3{font-size:16px;margin-top:13px}.role p{font-size:13px;color:var(--ink-2);margin-top:10px}.role small{display:block;border-top:1px dashed var(--line);padding-top:12px;margin-top:16px;color:var(--muted);font-size:11px}.cooperation-note{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:22px 0;border-bottom:1px solid var(--line);margin-top:8px}.cooperation-note p{font-size:13px;color:var(--ink-2);margin-top:7px}.next-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.next-list li{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.next-list li:first-child{padding-top:0}.next-list li:last-child{border:0}.next-list li>span{font:14px var(--mono);color:var(--accent);padding-top:5px}.next-list b{font-size:15px}.next-list p{font-size:13px;color:var(--muted);margin-top:5px}.closing-card{padding:28px;background:var(--dark);color:var(--paper);border-radius:var(--radius)}.closing-card .mini-label{color:#bdb6a8;font-size:10px}.closing-card h3{white-space:pre-line;font-size:28px;margin-top:16px;line-height:1.45;font-weight:600}.closing-card>p{font-size:13px;color:#d4cdbf;margin-top:15px}.closing-signature{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:24px;padding-top:18px;border-top:1px solid #ffffff20;font-size:12px;color:#bdb6a8}.footer{margin-top:92px;border-top:1px solid var(--line);padding:28px 0 34px}.footer>.wrap{display:flex;justify-content:space-between;gap:20px}.footer b{display:block;font-size:12px;font-weight:500}.footer span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.footer-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.footer-actions a,.footer-actions button{font-size:11px;color:var(--ink-2);text-decoration:none;background:none;border:none;padding:0;min-height:44px;display:inline-flex;gap:4px;align-items:center}.footer-actions a:hover,.footer-actions button:hover{color:var(--accent)}.footer-actions .icon{width:13px;height:13px}
/* 原生对话框 */
.lightbox{position:fixed;inset:0;margin:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border:0;background:#171612f5;color:var(--paper);padding:76px 24px 36px;overflow:auto}.lightbox::backdrop{background:#171612e8}.lightbox[open]{animation:lightbox-in .22s var(--ease)}.lightbox-toolbar{position:fixed;top:0;left:0;right:0;padding:15px 24px;background:#171612ed;border-bottom:1px solid #ffffff18;display:flex;justify-content:space-between;align-items:center;z-index:2;font-size:12px}.lightbox-toolbar>div{display:flex;gap:10px}.lightbox-toolbar button{min-height:42px;padding:6px 14px;border:1px solid #ffffff30;border-radius:7px;background:transparent;color:var(--paper);font-size:12px}.lightbox figure{margin:auto;max-width:1200px;text-align:center;min-height:calc(100% - 60px);display:grid;align-content:center;gap:16px}.lightbox img{max-width:100%;max-height:calc(100dvh - 150px);width:auto;height:auto;margin:auto;border-radius:10px}.lightbox figcaption{font-size:12px;color:#c4bdaf}.lightbox.is-zoomed figure{max-width:none;width:max-content;min-width:100%}.lightbox.is-zoomed img{max-height:none;max-width:none;width:auto}.lb-open{overflow:hidden}
/* 仅 JS 完成初始化后启用入场，不影响默认可读性 */
.js .reveal.is-pending{opacity:0;transform:translateY(18px)}.js .reveal{transition:opacity .7s var(--ease),transform .7s var(--ease)}.js .stagger.is-pending>*{opacity:0;transform:translateY(10px)}.js .stagger>*{transition:opacity .5s var(--ease),transform .5s var(--ease);transition-delay:calc(var(--i,0)*70ms)}.js .pyramid.is-pending .tier{opacity:0;transform:translateY(14px)}.js .pyramid .tier{transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:var(--tier-delay)}.js .is-pending .gantt-bar>i{transform:scaleX(0)}.js .gantt-bar>i{transition:transform 1s var(--ease);transition-delay:calc(var(--delay,0)*90ms)}[data-loop] *,[data-loop] *::before,[data-loop] *::after{animation-play-state:paused!important}.js [data-loop].is-playing *,.js [data-loop].is-playing *::before,.js [data-loop].is-playing *::after{animation-play-state:running!important}body.motion-paused *,body.motion-paused *::before,body.motion-paused *::after{animation-play-state:paused!important}body.motion-paused .reveal,body.motion-paused .stagger>*,body.motion-paused .pyramid .tier,body.motion-paused .gantt-bar>i,body.motion-paused .message{opacity:1!important;transform:none!important;transition:none!important}
@keyframes dash{to{stroke-dashoffset:-20}}@keyframes arrow-flow{to{background-position:10px 0}}@keyframes manual-run{0%{left:8.33%;opacity:1}30%,65%{left:41.66%;opacity:1}78%,100%{left:41.66%;opacity:0}}@keyframes assisted-run{0%{left:8.33%}46%,62%{left:58.33%}100%{left:91.66%}}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes node-highlight{0%,15%{border-color:var(--accent);color:var(--accent-strong);box-shadow:0 0 0 4px var(--accent-soft),var(--shadow)}17%,100%{border-color:var(--line);color:var(--ink);box-shadow:var(--shadow)}}@keyframes lightbox-in{from{opacity:0}to{opacity:1}}
/* 自适应 */
@media(max-width:1199px){.toc:hover .toc-panel,.toc:focus-within .toc-panel{box-shadow:0 18px 48px #1d1c1930}.cycle-layout{grid-template-columns:370px 1fr;gap:24px}}
@media(max-width:1023px),(hover:none){.toc{top:auto;bottom:16px;left:16px;transform:none}.toc-toggle{display:inline-flex;align-items:center;gap:6px;background:#fffdf9f5;backdrop-filter:blur(8px);border:1px solid var(--line-strong);box-shadow:0 6px 22px #1d1c1920;border-radius:99px;padding:7px 14px;min-height:44px;font-size:13px}.toc-toggle .icon{width:17px}.toc-panel,.toc:hover .toc-panel,.toc:focus-within .toc-panel{position:absolute;bottom:calc(100% + 10px);left:0;width:240px;max-height:72dvh;clip-path:none;background:var(--card);border-color:var(--line);box-shadow:0 18px 48px #1d1c192a;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility 0s .25s}.toc.open .toc-panel{opacity:1;visibility:visible;transform:none;transition:opacity .25s var(--ease),transform .25s var(--ease)}.toc-brand,.toc-foot,.toc a>span{opacity:1}.toc a{height:44px}.toc-scrim{display:block;position:fixed;inset:0;z-index:39;background:#1d1c1940;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}.toc-open .toc-scrim{opacity:1;visibility:visible}body.is-idle .toc:not(.open){opacity:.75}.cycle-layout{grid-template-columns:350px 1fr;gap:20px}.footer-actions{gap:12px}}
@media(max-width:850px){.direction-grid{grid-template-columns:repeat(2,1fr)}.direction{min-height:130px}.architecture-layout{gap:24px}.cycle-layout{grid-template-columns:1fr}.module-detail{max-width:560px;margin:0 auto}.delivery-layout{grid-template-columns:1fr}.delivery-side{grid-template-columns:1fr 1.3fr;align-items:start}.outcome-strip{grid-template-columns:repeat(2,1fr)}.outcome-strip>div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.outcome-strip>div:nth-child(4){border-top:1px solid var(--line)}.roles{grid-template-columns:repeat(2,1fr)}.next-layout{gap:24px}.footer>.wrap{flex-direction:column}.mobile-hint{display:inline}}
@media(max-width:680px){.wrap{padding:0 20px}.chapter{padding-top:66px}.hero{padding-top:22px}.masthead{margin-bottom:35px;padding-bottom:17px}.wordmark{font-size:11px}.edition{font-size:9px}.hero h1{font-size:clamp(32px,7vw,43px)}.lead{font-size:15px;margin-top:18px}.direction-grid{gap:9px;margin-top:24px}.direction{padding:17px 14px;min-height:136px}.direction b{font-size:16px}.direction small{font-size:11px}.tiny-index{font-size:8px}.foundation-bar{gap:7px 12px;flex-wrap:wrap;padding:12px 14px;font-size:12px}.foundation-bar span{width:calc(100% - 30px)}.foundation-bar>.icon{position:absolute;right:36px}.reasons{grid-template-columns:1fr 1fr;gap:20px 14px}.section-label>span{display:none}.hero-foot{font-size:11px;gap:12px}.hero-foot>a{white-space:nowrap;font-size:11px}.hero-foot .line-dot{display:none}.section-head h2{font-size:27px}.section-head>p{font-size:14px}.expectation{padding:20px}.expectation p{font-size:17px}.comparison{grid-template-columns:1fr}.compare-card{padding:20px}.architecture-layout{grid-template-columns:1fr;gap:28px}.pyramid{max-width:410px;width:100%;margin:0 auto}.tier{min-height:76px}.tier>b{font-size:15px}.flow-panel{grid-template-columns:1fr;padding:20px;gap:14px}.flow-sources{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.flow-sources>.mini-label{grid-column:1/-1;margin:0}.source-item{font-size:12px;padding:9px 6px;justify-content:center}.source-item span{display:none}.merge-lines{display:none}.flow-center{padding:18px}.flow-arrow{width:2px;height:30px;margin:0 auto;background:repeating-linear-gradient(0deg,var(--accent) 0 5px,transparent 5px 10px);animation:vertical-flow 1.5s linear infinite}.flow-arrow:after{top:auto;bottom:-3px;right:-3px;border:4px solid transparent;border-bottom:0;border-top:6px solid var(--accent)}.flow-output{text-align:center;padding:0 10px}.flow-output .mini-label{margin-bottom:5px}.pipeline{padding:17px 13px}.pipeline-steps{margin-left:0;gap:5px}.pipeline-steps li{font-size:11px;padding:8px 2px}.pipeline-steps li>span{font-size:9px}.lane{grid-template-columns:1fr;gap:8px}.lane>small{grid-column:1;font-size:10px}.lane-label{font-size:11px}.part-title h3{font-size:15px}.part-title>.demo-label{font-size:10px}.part-title.spaced{margin-top:28px}.cycle{max-width:370px}.cycle-node{width:84px;font-size:11px}.module-detail h3{font-size:23px}.outcome-strip>div{padding:14px}.outcome-strip b{font-size:12px}.delivery-side{grid-template-columns:1fr}.showcase figcaption{padding:14px;flex-wrap:wrap}.chat-messages{min-height:0;gap:12px;padding:16px}.chat-header{padding:13px 16px}.replay{min-height:44px}.message p{font-size:13px}.message small{font-size:11px}.milestones{grid-template-columns:1fr;gap:10px}.milestone{padding:18px}.milestone>small{margin-top:12px;padding-top:10px}.roles{gap:10px}.role{padding:17px}.role h3{font-size:15px}.role small{font-size:10px}.cooperation-note{grid-template-columns:1fr;gap:18px}.next-layout{grid-template-columns:1fr;gap:26px}.closing-card{padding:25px}.closing-card h3{font-size:28px}.footer{margin-top:64px;padding-bottom:90px}.footer-actions{gap:14px}.lightbox{padding:80px 12px 28px}.lightbox-toolbar{padding:12px 15px}.lightbox-toolbar button{padding:6px 10px}.lightbox figcaption{max-width:90vw;margin:auto}.kicker{font-size:10px}}
@media(max-width:380px){.wrap{padding:0 16px}.hero h1{font-size:31px}.cycle-node{width:76px}.cycle-center b{font-size:13px}.pipeline-steps{gap:3px}.pipeline-steps li{font-size:11px}.direction small{font-size:10px}.direction .tiny-index{letter-spacing:.03em}.part-title>.demo-label{margin-left:0}}
@keyframes vertical-flow{to{background-position:0 10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.js .reveal,.js .stagger>*,.js .pyramid .tier,.js .gantt-bar>i,.chat.chat-armed .message{opacity:1!important;transform:none!important}}
@media print{@page{size:A4;margin:14mm}html{scroll-behavior:auto}body{background:white;font-size:12px;color:#111}.wrap{max-width:none;padding:0}.toc,.toc-scrim,.reading-progress,.skip-link,.footer-actions,.lightbox,.zoom-label,.replay,.hero-foot>a{display:none!important}.chapter{padding-top:22px;break-before:page}.hero{break-before:auto;padding-top:0}.masthead{margin-bottom:24px}.hero h1{font-size:36px}.section-head h2{font-size:25px}.section-head>p,.lead{font-size:13px}.section-head{margin-bottom:18px}*,*::before,*::after{animation:none!important;transition:none!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.js .reveal,.js .stagger>*,.js .pyramid .tier,.js .gantt-bar>i,.chat.chat-armed .message{opacity:1!important;transform:none!important}.card,.expectation,.tier,.closing-card{box-shadow:none}.card,.cycle,.pyramid,.next-list li{break-inside:avoid}.direction-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}.direction{padding:12px;min-height:120px}.direction b{font-size:14px}.direction small{font-size:10px}.reasons{grid-template-columns:repeat(4,1fr)}.comparison{grid-template-columns:1fr 1fr}.architecture-layout{grid-template-columns:1fr 1fr;gap:20px}.flow-panel{grid-template-columns:1fr 35px 1fr 30px 1fr;padding:16px;gap:0}.flow-sources{display:block}.merge-lines{display:block}.source-item{justify-content:space-between}.source-item span{display:inline}.flow-arrow{width:auto;height:2px;margin:0 7px}.flow-arrow:after{top:-3px;bottom:auto;right:-3px;border:4px solid transparent;border-right:0;border-left:6px solid var(--accent)}.flow-output{text-align:left;padding-left:4px}.cycle-layout{grid-template-columns:290px 1fr;gap:18px}.cycle{width:290px}.cycle-node{width:75px;font-size:10px;padding:6px}.cycle-center b{font-size:12px}.cycle-center small{font-size:9px}.module-detail h3{font-size:19px}.check-list{gap:5px}.check-list li,.module-detail>p{font-size:11px}.outcome-strip{grid-template-columns:repeat(4,1fr)}.outcome-strip>div{border-top:0!important;border-left:1px solid var(--line)!important;padding:10px}.outcome-strip>div:first-child{border-left:0!important}.delivery-layout{grid-template-columns:1fr;gap:16px}.delivery-side{grid-template-columns:1fr 1.6fr}.showcase{max-width:560px;width:100%;margin:auto}.showcase img{max-height:290px;object-fit:contain}.chat-messages{min-height:0;gap:7px}.message p{font-size:10px;padding:5px 8px}.chat-header{padding:9px 12px}.chat-footer{padding:7px 12px}.gantt-scroll{overflow:visible}.gantt{min-width:0;grid-template-columns:95px repeat(9,minmax(0,1fr));grid-template-rows:45px repeat(5,37px);padding-right:8px}.gantt-label,.gantt-phase,.gantt-corner{font-size:10px}.gantt-label,.gantt-corner{padding-left:12px}.gantt-bar{font-size:9px;padding:0 6px;margin:0 2px}.milestones{grid-template-columns:repeat(3,1fr)}.milestone{padding:12px}.milestone h3{font-size:13px}.milestone p,.milestone small{font-size:10px}.mobile-hint{display:none}.roles{grid-template-columns:repeat(4,1fr)}.role{padding:12px}.role h3{font-size:13px}.role p{font-size:11px}.role small{font-size:9px}.cooperation-note{grid-template-columns:1fr 1fr}.next-layout{grid-template-columns:1fr 1fr;gap:22px}.closing-card h3{font-size:24px}.footer{margin-top:28px;padding-bottom:0}a{color:inherit;text-decoration:none}h2,h3{break-after:avoid}}