:root{--brand: #e5484d;--brand-dark: #c7373c;--bg: #f6f6f8;--card: #ffffff;--text: #1c1c1e;--text-2: #6e6e73;--line: #e8e8ed;--jd: #d40e1e;--taobao: #ff5000;--pdd: #e02e24;--ok: #0a7d38;--shadow-sm: 0 1px 3px rgba(16, 16, 20, .06);--shadow-md: 0 4px 16px rgba(16, 16, 20, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}.app{max-width:900px;margin:0 auto;padding:28px 16px 64px}.header{text-align:center;margin-bottom:22px}.logo{margin:0;font-size:34px;letter-spacing:2px}.logo-mark{color:var(--brand);font-weight:800}.logo-sub{font-size:15px;color:var(--text-2);font-weight:400;margin-left:10px}.slogan{margin:8px 0 0;color:var(--text-2);font-size:13.5px}.search-wrap{display:flex;flex-direction:column;gap:10px;align-items:center}.search-bar{display:flex;width:100%;gap:8px}.search-bar input{flex:1;padding:13px 16px;font-size:15px;border:1.5px solid 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