:root{--green:#116451;--green2:#168266;--fg:#19332c;--muted:#70867d;--line:#e6eee8;--bg:#f7faf8;--card:#fff;--soft:#edf6f0;--amber:#9a681b;--shadow:0 10px 35px #0b423512}*{box-sizing:border-box}html{font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;color:var(--fg);background:var(--bg)}body{margin:0}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}.shell{max-width:1050px;margin:0 auto;padding:20px 26px 105px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 0 25px}.brand{display:flex;align-items:center;gap:10px}.brand strong{display:block;letter-spacing:-.04em;font-size:24px}.brand small{display:block;color:var(--muted);font-size:11px}.brand-mark{display:grid;place-items:center;background:var(--green);color:#fff;width:40px;height:40px;border-radius:13px;font-size:24px}.online-pill{font-size:12px;border:1px solid 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.photo-actions{display:flex;gap:8px;flex-wrap:wrap}.photo-actions .photo-upload{flex:1;min-width:135px;margin:0}#photo-preview:not(.hidden){display:block;max-width:100%;max-height:220px;margin:10px auto;border-radius:12px}#food-ai summary{cursor:pointer;font-weight:700}#ai-results>div{border-top:1px solid #dbe9df;padding:8px 0}#ai-results p{margin:0 0 6px}