*{margin:0;padding:0;box-sizing:border-box}.complaint-page{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:#f5f5f5;min-height:100vh}.complaint-container{max-width:700px;margin:0 auto;padding:40px 20px}.complaint-header{text-align:center;margin-bottom:35px}.complaint-header h1{font-size:28px;font-weight:600;color:#333;margin-bottom:12px}.complaint-header p{font-size:14px;color:#999}.complaint-card{background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.08);padding:30px}.form-group{margin-bottom:24px}.form-group label{display:block;font-size:14px;font-weight:500;color:#333;margin-bottom:12px}.form-group label .required{color:#ff4d4f;margin-right:4px}.form-group .hint{font-size:12px;color:#999;margin:6px 0;display:block}.radio-group{display:flex;flex-wrap:wrap;gap:16px 24px}.radio-item{display:flex;align-items:center;gap:8px;cursor:pointer}.radio-item input[type=radio]{width:16px;height:16px;cursor:pointer}.radio-item span,textarea{font-size:14px;color:#333}textarea{width:100%;height:150px;padding:12px;border:1px solid #d9d9d9;border-radius:8px;resize:none;outline:none;transition:border-color .3s;font-family:inherit}textarea:focus{border-color:#ff6e97}textarea::placeholder{color:#ccc}input[type=text]{width:100%;height:42px;padding:0 12px;border:1px solid #d9d9d9;border-radius:8px;font-size:14px;color:#333;outline:none;transition:border-color .3s}input[type=text]:focus{border-color:#ff6e97}input[type=text]::placeholder{color:#ccc}.button-group{display:flex;gap:16px;margin-top:30px}.button-group button{background:#1890ff;color:#fff}.btn{padding:10px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .3s}.form-message{display:none;margin-bottom:16px;padding:10px 14px;border-radius:8px;font-size:14px}.form-message.is-visible{display:block}.form-message.is-success{background:#f6ffed;border:1px solid #b7eb8f;color:#389e0d}.form-message.is-error{background:#fff2f0;border:1px solid #ffccc7;color:#cf1322}@media (max-width:576px){.complaint-container{padding:20px 15px}.complaint-header h1{font-size:24px}.complaint-card{padding:20px}.radio-group{gap:12px 16px}.button-group{flex-direction:column}.btn{width:100%;padding:12px}}