:root{--primary: #1a1f3a;--primary-mid: #2d3561;--accent: #f5a623;--accent2: #f0742f;--green: #2f9e44;--red: #c92a2a;--blue: #3b5bdb;--bg: #f0f2f7;--card: #ffffff;--border: #e9ecef;--text: #1a1f3a;--muted: #868e96;--radius: 14px;--shadow: 0 2px 12px rgba(0,0,0,.07);--shadow-hover: 0 8px 28px rgba(0,0,0,.13)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}input,select,textarea{font-family:inherit}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-mid)!important}a{text-decoration:none}button{font-family:inherit;cursor:pointer}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ced4da;border-radius:3px}.btn-primary{background:linear-gradient(135deg,var(--primary-mid),var(--primary));color:#fff;border:none;border-radius:10px;padding:10px 20px;font-weight:700;font-size:14px;cursor:pointer}.btn-primary:hover{opacity:.9}.input-base{width:100%;padding:10px 14px;border-radius:10px;border:1.5px solid var(--border);font-size:14px;transition:border-color .2s}.input-base:focus{border-color:var(--primary-mid)}