@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;650;700&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;600;700&display=swap";:root{font-family:Inter,Noto Sans SC,Noto Sans TC,Noto Sans JP,system-ui,-apple-system,sans-serif;color:#202723;background:#f7f7f4;font-synthesis:none;--ink: #202723;--ink-strong: #111814;--muted: #657068;--subtle: #8a928d;--brand: #176b50;--brand-strong: #10563f;--brand-soft: #e9f2ed;--surface: #ffffff;--surface-subtle: #f7f7f4;--sidebar-surface: #f2f3ef;--line: #dedfd9;--line-strong: #c9cbc4;--danger: #b64535;--sidebar: 272px;--topbar: 64px;--shadow-sm: 0 1px 2px rgba(22, 31, 26, .05);--shadow-lg: 0 20px 55px rgba(22, 31, 26, .14)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;min-width:320px;min-height:100vh;background:var(--surface-subtle)}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button,a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(23,107,80,.24);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;z-index:2000;top:8px;left:12px;padding:10px 14px;color:#fff;background:var(--ink-strong);text-decoration:none;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.topbar{position:fixed;inset:0 0 auto;z-index:100;height:var(--topbar);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-strong);font-size:15px;font-weight:650;letter-spacing:-.02em;text-decoration:none}.brand-mark{display:grid;place-items:center;width:30px;height:30px;color:#fff;background:var(--brand);border-radius:4px;font-size:15px;font-weight:700;letter-spacing:-.04em}.brand-light{color:#fff}.brand-light .brand-mark{color:var(--brand-strong);background:#fff}.topbar-actions{display:flex;align-items:center;gap:8px}.locale-control{position:relative;display:flex;align-items:center;color:var(--muted)}.locale-control select{min-height:40px;appearance:none;border:1px solid var(--line);background:#fff;border-radius:5px;padding:0 34px 0 12px;color:var(--ink);cursor:pointer;font-size:13px;font-weight:500}.locale-control select:hover{border-color:var(--line-strong)}.locale-control svg{position:absolute;right:11px;pointer-events:none}.user-chip{display:flex;min-height:40px;align-items:center;gap:9px;padding:0 10px;border-left:1px solid var(--line);font-size:13px}.user-chip>span,.user-chip img{display:grid;place-items:center;width:28px;height:28px;object-fit:cover;border-radius:50%;color:#fff;background:var(--brand);font-size:12px;font-weight:600}.icon-button,.mobile-menu-button{display:grid;place-items:center;width:40px;height:40px;padding:0;border:0;border-radius:5px;background:transparent;cursor:pointer;transition:color .16s ease,background-color .16s ease}.icon-button:hover,.icon-button.active,.mobile-menu-button:hover{background:#f0f1ed}.icon-button svg{width:18px;height:18px}.mobile-menu-button{display:none}.docs-sidebar{position:fixed;z-index:80;top:var(--topbar);bottom:0;left:0;width:var(--sidebar);overflow-y:auto;padding:28px 18px 36px;background:var(--sidebar-surface);border-right:1px solid var(--line)}.docs-sidebar nav p{margin:26px 12px 9px;color:var(--subtle);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.docs-sidebar nav p:first-child{margin-top:0}.docs-sidebar nav p.sidebar-subgroup{margin:14px 12px 5px;color:#74827a;font-size:9px;font-weight:650;letter-spacing:.04em;line-height:1.45;text-transform:none}.docs-sidebar nav a{position:relative;display:grid;grid-template-columns:26px minmax(0,1fr);gap:8px;align-items:start;min-height:44px;padding:10px;border-radius:4px;color:#4b5750;font-size:13px;line-height:1.45;text-decoration:none;transition:color .16s ease,background-color .16s ease}.docs-sidebar nav a:hover{color:var(--ink-strong);background:#ffffff9e}.docs-sidebar nav a.active{color:var(--ink-strong);background:var(--surface);box-shadow:var(--shadow-sm);font-weight:600}.docs-sidebar nav a.active:before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:2px;background:var(--brand)}.nav-index{color:#9aa19c;font-size:10px;font-variant-numeric:tabular-nums;line-height:1.9}.docs-sidebar nav a.active .nav-index{color:var(--brand)}.sidebar-mobile-head{display:none}.content-stage{min-height:100vh;margin-left:var(--sidebar);padding-top:var(--topbar);background:var(--surface)}.home-page{max-width:1160px;margin:0 auto;padding:72px 56px 112px}.home-hero{max-width:860px;padding:0 0 52px;border-bottom:1px solid var(--line)}.eyebrow{margin:0 0 14px;color:var(--brand);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.home-hero h1{max-width:760px;margin:0;color:var(--ink-strong);font-size:clamp(36px,5vw,56px);line-height:1.08;letter-spacing:-.045em;font-weight:650}.home-hero>p:not(.eyebrow){max-width:680px;margin:20px 0 28px;color:var(--muted);font-size:16px;line-height:1.7}.hero-metrics{display:flex;flex-wrap:wrap;gap:8px 26px}.hero-metrics span{color:var(--subtle);font-size:12px}.hero-metrics strong{margin-right:4px;color:var(--ink-strong);font-size:16px;font-weight:650}.guide-group{padding-top:56px}.section-heading{display:flex;align-items:center;gap:14px;margin-bottom:20px}.section-icon{display:grid;place-items:center;width:36px;height:36px;color:var(--brand);background:var(--brand-soft);border-radius:4px}.section-icon svg{width:18px}.section-heading p{margin:0 0 3px;color:var(--subtle);font-size:9px;font-weight:700;letter-spacing:.12em}.section-heading h2{margin:0;color:var(--ink-strong);font-size:21px;letter-spacing:-.025em}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.guide-card{display:flex;min-height:224px;flex-direction:column;padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;text-decoration:none;transition:color .16s ease,background-color .16s ease}.guide-card:hover{background:#f8faf8}.guide-card-top{display:flex;justify-content:space-between;align-items:flex-start}.guide-card-top>svg{width:17px;color:#a0a6a1;transition:transform .16s ease,color .16s ease}.guide-card:hover .guide-card-top>svg{color:var(--brand);transform:translate(2px)}.platform-icon{display:grid;place-items:center;width:30px;height:26px;color:var(--subtle);border:1px solid var(--line);border-radius:3px;font-size:10px;font-weight:650;font-variant-numeric:tabular-nums}.guide-card h3{margin:25px 0 9px;color:var(--ink-strong);font-size:16px;line-height:1.4}.guide-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.62}.card-link{margin-top:auto;padding-top:18px;color:var(--brand);font-size:12px;font-weight:650}.ecl-card{display:grid;grid-template-columns:58px 1fr auto;gap:22px;align-items:center;padding:28px;border:1px solid var(--line);background:#fff}.ecl-visual{display:grid;place-items:center;width:52px;height:52px;color:var(--brand);background:var(--brand-soft);border-radius:4px;font-size:11px;font-weight:700;font-variant-numeric:tabular-nums}.ecl-card h3{margin:2px 0 6px;color:var(--ink-strong);font-size:20px}.ecl-card p:not(.eyebrow){margin:0;color:var(--muted);font-size:13px;line-height:1.6}.primary-button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;border:1px solid var(--brand);border-radius:4px;padding:0 16px;color:#fff;background:var(--brand);font-weight:650;font-size:13px;text-decoration:none;cursor:pointer;transition:background-color .16s ease,border-color .16s ease}.primary-button:hover{border-color:var(--brand-strong);background:var(--brand-strong)}.primary-button:disabled{cursor:not-allowed;opacity:.52}.breadcrumbs{display:flex;max-width:1180px;align-items:center;flex-wrap:wrap;gap:6px;margin:0 auto;padding:26px 40px 0;color:var(--subtle);font-size:11px}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{color:var(--brand)}.breadcrumbs strong{color:#58625c;font-weight:500}.doc-layout{display:grid;grid-template-columns:minmax(0,760px) 220px;gap:72px;max-width:1180px;margin:0 auto;padding:42px 40px 128px}.doc-title{padding-bottom:34px;border-bottom:1px solid var(--line)}.platform-pill{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;color:var(--brand-strong);background:var(--brand-soft);border-radius:3px;font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.doc-title h1{max-width:720px;margin:16px 0 11px;color:var(--ink-strong);font-size:clamp(30px,3.4vw,40px);line-height:1.18;letter-spacing:-.035em;font-weight:650}.doc-title p{max-width:680px;margin:0;color:var(--muted);font-size:15px;line-height:1.7}.document-body{color:#303934;font-size:15px;line-height:1.8}.document-body .doc-heading{position:relative;color:var(--ink-strong);scroll-margin-top:92px;letter-spacing:-.022em}.document-body h1{margin:52px 0 18px;font-size:28px;line-height:1.3}.document-body h2{margin:46px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line);font-size:23px;line-height:1.35}.document-body h3{margin:32px 0 12px;font-size:19px;line-height:1.45}.document-body h4{margin:26px 0 10px;font-size:16px;line-height:1.5}.heading-anchor{position:absolute;left:-22px;top:.22em;display:grid;width:18px;height:22px;place-items:center;color:var(--subtle);text-decoration:none;opacity:0;transition:opacity .16s ease}.doc-heading:hover .heading-anchor,.heading-anchor:focus-visible{opacity:1}.document-body p{margin:13px 0}.document-body a{color:var(--brand-strong);text-decoration-thickness:1px;text-underline-offset:3px}.document-body code{padding:2px 5px;border:1px solid #e9ddd5;border-radius:3px;color:#9a3f24;background:#faf3ef;font-family:SFMono-Regular,Consolas,monospace;font-size:.88em}.document-body pre{position:relative;overflow:auto;margin:22px 0;padding:20px 22px;border:1px solid #26322c;border-radius:5px;color:#e7eee9;background:#18231e;font-family:SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.65}.document-body pre code{padding:0;border:0;color:inherit;background:transparent}.document-body ul,.document-body ol{padding-left:24px}.document-body li{margin:7px 0}.document-body li::marker{color:#7d8780}.document-body li>p{margin:5px 0}.document-body hr{margin:38px 0;border:0;border-top:1px solid var(--line)}.document-body figure{margin:28px 0}.doc-image-button{display:block;max-width:100%;overflow:hidden;padding:0;border:1px solid var(--line);border-radius:5px;background:#fff;cursor:zoom-in}.doc-image-button:hover{border-color:var(--line-strong)}.document-body figure img{display:block;max-width:100%;height:auto}.document-body figcaption{margin-top:8px;color:var(--subtle);text-align:center;font-size:11px}.table-scroll{max-width:100%;overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:5px}.document-body table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.65}.document-body th,.document-body td{min-width:130px;padding:13px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.document-body th{color:var(--ink-strong);background:#f2f3ef;font-weight:650}.document-body tr:last-child td{border-bottom:0}.document-body td:last-child,.document-body th:last-child{border-right:0}.callout{display:flex;gap:12px;margin:22px 0;padding:16px 18px;border:1px solid #cfe0d7;border-left:3px solid var(--brand);border-radius:4px;background:#f4f8f5}.callout>svg{flex:0 0 auto;margin-top:4px;color:var(--brand)}.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}.callout-warning{border-color:#ead9b9;border-left-color:#b87519;background:#fffaf0}.callout-warning>svg{color:#a86710}.callout-success{border-color:#cfe0d7;border-left-color:var(--brand);background:#f4f8f5}.callout-tip{border-color:#d2dae5;border-left-color:#536f91;background:#f5f7fa}.callout-tip>svg{color:#536f91}.document-body blockquote{margin:22px 0;padding:3px 18px;border-left:2px solid #aab1ac;color:#5c665f}.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin:10px 0}.checkbox-row>span{display:grid;place-items:center;flex:0 0 auto;width:17px;height:17px;margin-top:5px;border:1px solid #aab1ac;border-radius:3px}.checkbox-row>span.checked{color:#fff;border-color:var(--brand);background:var(--brand)}.page-toc{position:sticky;top:96px;align-self:start;border-left:1px solid var(--line);padding-left:20px}.page-toc>p{margin:0 0 13px;color:var(--ink-strong);font-size:11px;font-weight:700}.page-toc nav{display:grid;gap:1px}.page-toc a{display:block;padding:5px 0;color:#727d76;font-size:11px;line-height:1.5;text-decoration:none}.page-toc a:hover,.page-toc a:focus-visible{color:var(--brand)}.page-toc .toc-level-2{padding-left:10px}.page-toc .toc-level-3{display:none}.lightbox{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:5vw;background:#0a0f0cdb}.lightbox>button{position:absolute;top:22px;right:22px;display:grid;place-items:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.25);border-radius:4px;color:#fff;background:#ffffff14;cursor:pointer}.lightbox img{max-width:100%;max-height:90vh;object-fit:contain;border-radius:4px}.loading-page,.error-page{min-height:100vh;display:grid;place-content:center;justify-items:center;padding:30px;text-align:center}.loader{width:28px;height:28px;border:2px solid #d6dbd7;border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.72fr);color:#fff;background:#16362a}.login-story{display:flex;min-height:100vh;flex-direction:column;justify-content:space-between;padding:44px clamp(36px,6vw,96px) 52px;border-right:1px solid rgba(255,255,255,.12)}.login-story h1{max-width:680px;margin:0 0 20px;font-size:clamp(38px,4.6vw,64px);line-height:1.08;letter-spacing:-.05em;font-weight:650}.login-story>div>p:last-child{max-width:600px;color:#c3d0c9;line-height:1.75}.platform-orbit{display:flex;flex-wrap:wrap;gap:8px 18px;max-width:680px}.platform-orbit span{color:#aebfb5;font-size:11px}.platform-orbit span:before{content:"—";margin-right:7px;color:#6f9180}.login-panel{position:relative;display:grid;place-items:center;padding:40px;color:var(--ink);background:#f5f5f2}.login-language{position:absolute;top:24px;right:28px;display:flex;min-height:44px;align-items:center;color:var(--muted)}.login-language select{width:auto;min-width:132px;height:44px;appearance:none;padding:0 34px;border:1px solid var(--line);border-radius:5px;outline:0;color:var(--ink);background:#fff;cursor:pointer;font-size:13px;font-weight:500;transition:border-color .16s ease,box-shadow .16s ease}.login-language select:hover{border-color:var(--line-strong)}.login-language select:focus-visible{border-color:var(--brand);box-shadow:0 0 0 3px #176b501a}.login-language>svg{position:absolute;z-index:1;pointer-events:none}.login-language>svg:first-child{left:11px}.login-language>svg:last-child{right:11px}.login-card{width:min(410px,100%);padding:36px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}.login-icon{display:grid;place-items:center;width:40px;height:40px;color:var(--brand);background:var(--brand-soft);border-radius:4px}.login-card h2{margin:22px 0 7px;color:var(--ink-strong);font-size:25px;letter-spacing:-.03em}.login-card>p{margin:0 0 26px;color:var(--muted);font-size:13px}.login-card label{display:block;margin:17px 0}.login-card label>span{display:block;margin-bottom:7px;color:#47514b;font-size:12px;font-weight:600}.login-card input{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:4px;padding:0 12px;outline:0;background:#fff}.login-card input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #176b501a}.captcha-row{display:grid;grid-template-columns:1fr 116px;gap:8px}.captcha-image{height:44px;overflow:hidden;padding:0;border:1px solid var(--line-strong);border-radius:4px;background:#f7f8f6;cursor:pointer}.captcha-image img{display:block;width:100%;height:100%;object-fit:contain}.form-error,.chat-error{color:var(--danger)!important;font-size:12px!important}.login-button{width:100%;height:46px;margin-top:10px}.chat-fab{position:fixed;z-index:300;right:24px;bottom:24px;display:inline-flex;min-height:46px;align-items:center;gap:9px;padding:0 14px;border:1px solid #1a4f3c;border-radius:5px;color:#fff;background:var(--brand-strong);box-shadow:0 8px 24px #1233272e;cursor:pointer;font-size:12px;font-weight:650;transition:background-color .16s ease,box-shadow .16s ease}.chat-fab:hover{background:#0b4934;box-shadow:0 10px 28px #12332738}.chat-fab svg{width:18px}.chat-panel{position:fixed;z-index:400;right:24px;bottom:24px;display:flex;flex-direction:column;width:min(430px,calc(100vw - 30px));height:min(680px,calc(100vh - 92px));min-width:360px;min-height:440px;max-width:calc(100vw - 30px);max-height:calc(100vh - 92px);resize:both;overflow:hidden;border:1px solid var(--line-strong);border-radius:8px;background:#f5f6f3;box-shadow:var(--shadow-lg)}.chat-header{display:flex;min-height:66px;align-items:center;gap:10px;padding:11px 11px 11px 14px;color:var(--ink);background:#fff;border-bottom:1px solid var(--line)}.chat-header>div:nth-child(2){display:flex;flex:1;min-width:0;flex-direction:column}.chat-header strong{color:var(--ink-strong);font-size:13px}.chat-header span{color:var(--subtle);font-size:10px}.chat-avatar{display:grid;place-items:center;width:36px;height:36px;color:var(--brand);background:var(--brand-soft);border-radius:4px}.chat-avatar svg{width:18px}.chat-messages{flex:1;overflow-y:auto;padding:20px 16px}.chat-empty{height:100%;display:grid;place-content:center;justify-items:center;padding:34px;color:var(--muted);text-align:center}.chat-empty>svg{width:34px;height:34px;padding:7px;color:var(--brand);background:var(--brand-soft);border-radius:4px}.chat-empty p{line-height:1.65}.chat-empty span{padding:5px 8px;color:#52635a;background:#e9ede9;border-radius:3px;font-size:10px}.chat-message{position:relative;width:fit-content;max-width:88%;margin:12px 0;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:13px;line-height:1.6}.chat-message.user{margin-left:auto;color:#fff;border-color:var(--brand-strong);background:var(--brand-strong)}.message-content p{margin:5px 0}.message-content pre{overflow:auto;padding:10px;border-radius:4px;color:#e4ece7;background:#18231e}.message-content img{max-width:100%;border-radius:4px}.message-content a{color:inherit}.message-content table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}.message-content td,.message-content th{padding:5px;border:1px solid var(--line)}.message-copy{position:absolute;right:2px;bottom:-21px;display:none;padding:3px;border:0;color:var(--subtle);background:transparent;cursor:pointer}.chat-message:hover .message-copy,.message-copy:focus-visible{display:block}.message-copy svg{width:13px}.message-file{display:flex;align-items:center;gap:5px;margin-bottom:6px;font-size:10px;opacity:.9}.message-file svg{width:13px}.message-file a{display:block}.message-file img{display:block;width:46px;height:46px;border-radius:4px;object-fit:cover}.chat-progress-row{display:flex;align-items:flex-start;gap:9px;margin:13px 0}.chat-progress-avatar{display:grid;flex:0 0 auto;place-items:center;width:28px;height:28px;color:var(--brand);border:1px solid #d8e7df;border-radius:7px;background:#fff;box-shadow:0 2px 8px #1931260f}.chat-progress-avatar svg{width:14px}.chat-progress{display:flex;align-items:flex-start;gap:9px;width:min(100%,326px);padding:10px 11px;border:1px solid #dbe9e2;border-radius:7px;color:#27644d;background:#ffffffdb;box-shadow:0 2px 8px #1931260d}.chat-progress-icon{position:relative;display:grid;flex:0 0 auto;place-items:center;margin-top:1px;color:var(--brand)}.chat-progress-icon:after{position:absolute;width:17px;height:17px;border-radius:50%;background:#1b82612e;content:"";animation:status-pulse 1.4s ease-out infinite}.chat-progress-icon svg{position:relative;z-index:1;width:15px;animation:pulse 1.25s ease-in-out infinite}.chat-progress-copy{display:grid;min-width:0;gap:2px}.chat-progress-copy strong{overflow:hidden;color:#315b49;font-size:11px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.chat-progress-copy span{overflow:hidden;color:var(--subtle);font-size:10px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.chat-progress time{margin-left:auto;padding:1px 5px;border-radius:999px;color:#40725e;background:#edf7f1;font-size:9px;font-variant-numeric:tabular-nums;white-space:nowrap}@keyframes status-pulse{0%{transform:scale(.6);opacity:.7}75%,to{transform:scale(1.65);opacity:0}}.chat-composer{padding:10px;border-top:1px solid var(--line);background:#fff}.composer-row{display:flex;align-items:flex-end;gap:7px}.composer-row textarea{flex:1;min-height:43px;max-height:100px;resize:none;border:0;padding:8px 4px;outline:0;font-size:13px}.attach-button input{display:none}.send-button{display:grid;place-items:center;flex:0 0 auto;width:40px;height:40px;padding:0;border:0;border-radius:4px;color:#fff;background:var(--brand);cursor:pointer}.send-button:disabled{cursor:not-allowed;background:#a9b1ac}.send-button.stop{background:var(--danger)}.send-button svg{width:17px}.selected-files{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:6px}.selected-files>span{display:flex;max-width:165px;align-items:center;gap:4px;overflow:hidden;padding:4px 5px 4px 7px;border-radius:3px;background:#eef0ed;font-size:9px;white-space:nowrap;text-overflow:ellipsis}.selected-files svg{width:11px}.selected-files button{display:grid;place-items:center;padding:0;border:0;background:transparent;cursor:pointer}.selected-files small{align-self:center;color:var(--subtle)}.chat-error{margin:2px 3px 6px}.session-list{flex:1;overflow:auto;padding:16px}.session-list-title{display:flex;justify-content:space-between;margin-bottom:10px;font-size:13px}.session-list-title span{color:var(--subtle)}.session-item{display:flex;align-items:center;margin:6px 0;padding:5px;border:1px solid var(--line);border-radius:5px;background:#fff}.session-item>button:first-child{display:flex;flex:1;min-width:0;flex-direction:column;gap:3px;border:0;padding:7px;text-align:left;background:transparent;cursor:pointer}.session-item strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.session-item span{color:var(--subtle);font-size:9px}.session-item .icon-button{color:#8f4f43}.empty-state{padding:50px 10px;color:var(--subtle);text-align:center;font-size:13px}.sidebar-backdrop{display:none}@media(max-width:1120px){.guide-grid{grid-template-columns:repeat(2,1fr)}.doc-layout{grid-template-columns:minmax(0,1fr);max-width:860px}.page-toc{display:none}}@media(max-width:760px){:root{--topbar: 60px}.topbar{padding:0 12px}.topbar .brand{font-size:13px}.brand-mark{width:28px;height:28px}.mobile-menu-button{display:grid;border:0}.user-chip strong,.signout-button{display:none}.user-chip{padding:0 4px 0 8px;border-left:0}.locale-control select{width:44px;color:transparent;padding:0 4px}.locale-control select option{color:var(--ink)}.locale-control:before{content:"文";position:absolute;left:13px;z-index:1;color:var(--ink);font-size:12px;pointer-events:none}.docs-sidebar{z-index:250;top:0;width:min(310px,86vw);transform:translate(-105%);transition:transform .2s ease;box-shadow:16px 0 44px #0f17122e}.docs-sidebar.open{transform:translate(0)}.sidebar-mobile-head{display:flex;align-items:center;justify-content:space-between;margin:-10px 0 20px}.sidebar-backdrop{position:fixed;display:block;z-index:240;inset:0;border:0;background:#0a0f0c80}.content-stage{margin-left:0}.home-page{padding:44px 20px 80px}.home-hero{padding-bottom:38px}.home-hero h1{font-size:36px}.home-hero>p:not(.eyebrow){font-size:15px}.guide-group{padding-top:44px}.guide-grid{grid-template-columns:1fr}.guide-card{min-height:190px}.ecl-card{grid-template-columns:48px 1fr;gap:14px;padding:22px}.ecl-visual{width:44px;height:44px}.ecl-card .primary-button{grid-column:1 / -1}.breadcrumbs{padding:21px 20px 0}.breadcrumbs strong{display:none}.doc-layout{padding:30px 20px 90px}.doc-title h1{font-size:31px}.document-body{font-size:16px;line-height:1.75}.document-body h1{font-size:26px}.document-body h2{font-size:22px}.heading-anchor{display:none}.document-body th,.document-body td{padding:11px 12px}.login-page{grid-template-columns:1fr;color:#fff;background:#16362a}.login-story{min-height:245px;padding:28px 24px 36px;border-right:0}.login-story h1{font-size:34px}.login-story>div>p:last-child,.platform-orbit{display:none}.login-panel{padding:82px 16px 44px}.login-language{top:16px;right:16px}.login-card{padding:28px 22px}.chat-panel{inset:var(--topbar) 0 0 0;width:100%;height:auto;min-width:0;min-height:0;max-width:none;max-height:none;resize:none;border:0;border-radius:0}.chat-fab{right:16px;bottom:16px;min-height:44px}}@media(max-width:430px){.topbar .brand>span:last-child{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.home-hero h1{font-size:32px}.hero-metrics{gap:7px 16px}.chat-fab span{display:none}.chat-fab{width:46px;justify-content:center;padding:0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}