.demo-root{--demo-bg:#faf9f5;--demo-surface:#ffffff;--demo-surface-hover:#f5f4ef;--demo-surface-active:#f0efe9;--demo-border:#e5e3da;--demo-border-light:#eceae3;--demo-text:#1a1a1a;--demo-text-muted:#6b6b6b;--demo-text-dim:#9b9b9b;--demo-accent:#c96442;--demo-accent-light:#d4805f;--demo-accent-bg:#faf0ec;--demo-success:#2d7d4f;--demo-success-bg:#edf7f0;--no-accent:#c96442;--no-accent-light:#d4805f;--no-accent-bg:#faf0ec;--no-bg:#ffffff;--no-surface:#f8f6f4;--no-text:#2d2d2d;--no-text-muted:#6b6b6b;--no-text-dim:#9b9b9b;--no-border:#e5e0dc;--no-radius:18px;--no-font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}.demo-root *{margin:0;padding:0;box-sizing:border-box}.demo-root{position:fixed;inset:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--demo-bg);color:var(--demo-text);overflow:hidden;z-index:0;animation:demo-fade-in .4s ease-out}.demo-root.demo-modal{position:relative;inset:auto;width:100%;height:100%;z-index:auto}.demo-root.demo-modal .demo-card,.demo-root.demo-modal .demo-fab,.demo-root.demo-modal .demo-guide-overlay{position:absolute}.demo-root.demo-modal .demo-final-overlay{position:fixed}.demo-root.demo-modal .demo-browser{top:0}@keyframes demo-fade-in{0%{opacity:0}to{opacity:1}}.demo-browser{position:absolute;top:45px;left:0;right:0;bottom:0;display:flex;flex-direction:column;background:var(--demo-surface);transition:filter .3s ease}.demo-content-blurred{filter:blur(4px)}.demo-tabbar{height:36px;background:#f5cdb8;padding:0 10px}.demo-tabbar,.demo-traffic{display:flex;align-items:center;gap:8px;flex-shrink:0}.demo-traffic{padding:0 4px}.demo-traffic span{width:12px;height:12px;border-radius:50%;display:block}.demo-traffic .r{background:#ff5f57}.demo-traffic .y{background:#febc2e}.demo-traffic .g{background:#28c840}.demo-tab{gap:8px;height:28px;padding:0 12px;background:#ffffff;border-radius:8px 8px 0 0;font-size:12px;color:var(--demo-text);max-width:240px;margin-top:4px}.demo-tab,.demo-tab-favicon{display:flex;align-items:center;flex-shrink:0}.demo-tab-favicon{width:14px;height:14px;justify-content:center}.demo-tab-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.demo-toolbar{height:40px;background:#fef5f0;align-items:center;padding:0 12px;gap:6px;border-bottom:1px solid var(--demo-border);position:relative}.demo-nav,.demo-toolbar{display:flex;flex-shrink:0}.demo-nav{gap:2px}.demo-nav-btn{width:24px;height:24px;border-radius:50%;border:none;background:transparent;justify-content:center;color:#5f6368;flex-shrink:0}.demo-nav-btn,.demo-url{display:flex;align-items:center}.demo-url{flex:1;height:27px;background:rgba(254,251,248,.9);border-radius:14px;border:none;padding:0 4px 0 12px;font-size:13px;color:#3c4043;gap:6px;min-width:0}.demo-url svg{flex-shrink:0;color:#5f6368}.demo-url-text{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.demo-toolbar-actions{margin-left:6px;gap:2px}.demo-toolbar-actions,.demo-toolbar-btn{display:flex;align-items:center;flex-shrink:0}.demo-toolbar-btn{width:28px;height:28px;border-radius:50%;border:none;background:transparent;cursor:pointer;justify-content:center;color:#5f6368;transition:background .15s;position:relative}.demo-toolbar-btn:hover{background:rgba(0,0,0,.06)}.demo-toolbar-btn-ext{width:32px;height:32px;border-radius:50%;background-image:url(/icons/chrome-extensions.png);background-size:150%;background-position:50%;background-repeat:no-repeat;flex-shrink:0}.demo-no-toolbar-icon{width:29px;height:29px;border-radius:5px;border:none;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-right:4px;position:relative;animation:demo-pop-in .3s cubic-bezier(.34,1.56,.64,1)}@keyframes demo-pop-in{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.demo-toolbar-divider{width:1px;height:16px;background:#dadce0;margin:0 6px;flex-shrink:0}.demo-toolbar-avatar{width:24px;height:24px;border-radius:50%;background:#1a73e8;color:white;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;cursor:pointer;margin:0 4px;flex-shrink:0}.demo-ext-dropdown{position:absolute;top:44px;right:60px;width:280px;background:var(--demo-surface);border-radius:8px;box-shadow:0 4px 24px rgba(0,0,0,.18);border:1px solid var(--demo-border-light);z-index:250;overflow:hidden;animation:demo-dropdown-in .18s ease}@keyframes demo-dropdown-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.demo-ext-dropdown-header{padding:10px 14px 6px;font-size:11px;color:var(--demo-text-dim);font-weight:500}.demo-ext-item{display:flex;align-items:center;gap:10px;padding:8px 14px;cursor:pointer;transition:background .12s}.demo-ext-item:hover{background:var(--demo-surface-hover)}.demo-ext-item-icon{width:22px;height:22px;border-radius:5px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:11px;font-weight:700;color:white}.demo-ext-item-name{flex:1;font-size:13px;color:var(--demo-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.demo-ext-pin{width:24px;height:24px;border:none;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--demo-text-dim);flex-shrink:0;transition:background .12s,color .12s}.demo-ext-pin:hover{background:var(--demo-surface-active);color:var(--demo-accent)}.demo-ext-pin-wrap{position:relative;display:flex;align-items:center;flex-shrink:0}.demo-arrow-hint{position:absolute;right:100%;top:50%;transform:translateY(-50%);margin-right:6px;display:flex;align-items:center;gap:3px;color:var(--demo-accent);font-size:11px;font-weight:600;white-space:nowrap;pointer-events:none;animation:demo-arrow-bounce 1.2s ease-in-out infinite}.demo-arrow-hint svg{width:14px;height:14px;flex-shrink:0}@keyframes demo-arrow-bounce{0%,to{transform:translateY(-50%) translateX(0)}50%{transform:translateY(-50%) translateX(-5px)}}.demo-ext-pin.pinned{color:var(--demo-accent);background:var(--demo-accent-bg)}.demo-ext-pin.pinned svg{fill:var(--demo-accent);stroke:var(--demo-accent)}.demo-ext-dropdown.demo-ext-fading{animation:demo-ext-fade-out .6s ease 1.4s forwards;pointer-events:none}@keyframes demo-ext-fade-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-4px)}}.demo-ext-dropdown-divider{height:1px;background:var(--demo-border-light);margin:4px 0}.demo-ext-dropdown-footer{padding:10px 14px;font-size:13px;color:var(--demo-text-muted);cursor:default}.demo-content{flex:1;overflow:hidden;background:var(--demo-surface);position:relative}.demo-form-page{max-width:620px;margin:0;padding:48px 48px 24px}.demo-form-title{font-size:18px;font-weight:700;margin-bottom:6px}.demo-form-subtitle{font-size:13px;color:var(--demo-text-muted);margin-bottom:24px}.demo-form-group{margin-bottom:28px}.demo-form-label-rect{height:10px;border-radius:3px;background:#c8c8c8;margin-bottom:8px;display:block}.demo-form-placeholder{width:100%;height:14px;border-radius:3px;background:#f2f1ed;position:relative;overflow:hidden}.demo-form-placeholder-group{display:flex;flex-direction:column;gap:6px}.demo-form-radio-group{display:flex;gap:20px;padding-top:4px}.demo-form-radio{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:14px;transition:color .2s}.demo-form-radio.selected{color:var(--demo-success);font-weight:500}.demo-form-radio-circle{width:16px;height:16px;border-radius:50%;border:2px solid var(--demo-border);display:flex;align-items:center;justify-content:center;transition:border-color .2s;flex-shrink:0}.demo-form-radio.selected .demo-form-radio-circle{border-color:var(--demo-success)}.demo-form-radio.selected .demo-form-radio-circle:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--demo-success)}.demo-fill-rect{height:100%;border-radius:3px;width:0;transition:width .45s cubic-bezier(.4,0,.2,1)}.demo-fill-rect.filled{width:var(--rect-width,70%);background:rgba(253,240,168,.75)}.demo-form-radio .demo-fill-rect{height:12px;width:0;transition:width .4s ease;background:rgba(253,240,168,.75)}.demo-radio-placeholder{width:28px;height:10px;border-radius:3px;background:#c8c8c8}.demo-form-radio.selected .demo-fill-rect{width:32px}.demo-fab{position:fixed;bottom:88px;right:24px;width:52px;height:52px;border-radius:50%;background:linear-gradient(180deg,#cf6f4e,#c96442 45%,#bd5733);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),inset 0 -1px 0 rgba(0,0,0,.12),0 1px 2px rgba(0,0,0,.08),0 4px 10px rgba(201,100,66,.18),0 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ease}.demo-resume-item:hover{background:#f5f3f1}.demo-resume-item.selected{background:rgba(201,100,66,.08);border-color:var(--no-accent)}.demo-resume-radio{width:15px;height:15px;border-radius:50%;border:1.5px solid var(--no-border);flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:border-color .15s}.demo-resume-item.selected 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