:root{color:#132c35;background:#e9eff1;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--brand: #075a73;--brand-interactive: #0b738b;--accent-cyan: #0891b2;--service-green: #0f766e;--canvas: #f4f7f8;--surface: #ffffff;--surface-selected: #e8f3f7;--line: #dde8ec;--line-strong: #c6dce3;--ink: #102d3b;--muted: #526c78;--subtle: #78909a;--warning: #b45309;--warning-soft: #fff7ed;--danger: #b42318;--danger-soft: #fef3f2;--gutter: 14px}*{box-sizing:border-box}html,body,#app{min-width:320px;height:100%;margin:0}body{overflow:hidden;background:#e9eff1}button,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid rgb(14 116 144 / 30%);outline-offset:2px}button:disabled{cursor:not-allowed}h1,h2,p{margin-top:0}.linear-icon{display:block;width:1em;height:1em;flex:0 0 auto}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-shell{display:grid;width:min(100%,480px);height:100dvh;margin:0 auto;overflow:hidden;grid-template-rows:auto minmax(0,1fr) auto;background:var(--canvas)}.support-header{z-index:3;display:flex;min-height:62px;padding:calc(8px + env(safe-area-inset-top)) var(--gutter) 8px;align-items:center;justify-content:space-between;background:var(--surface);border-bottom:1px solid var(--line)}.header-home{display:flex;min-width:0;align-items:center;min-height:44px;padding:0 6px 0 0;color:var(--ink);gap:9px;background:transparent;border:0;border-radius:10px;cursor:pointer;text-align:left}.brand-logo-frame{position:relative;display:block;width:36px;height:36px;overflow:hidden;flex:0 0 auto;border-radius:10px}.brand-logo{position:absolute;top:50%;left:50%;width:61px;height:61px;object-fit:contain;transform:translate(-50%,-50%)}.header-home 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var(--line-strong)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}