*{box-sizing:border-box;margin:0;padding:0}body{background:#f5f5f5;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#app{width:100%;min-height:100vh}.message-board[data-v-c02dff19]{max-width:600px;margin:0 auto;padding:20px}h2[data-v-c02dff19]{text-align:center;color:#333;margin-bottom:20px}.message-form[data-v-c02dff19]{background:#f9f9f9;border-radius:8px;margin-bottom:30px;padding:20px}.form-group[data-v-c02dff19]{margin-bottom:15px}.form-group label[data-v-c02dff19]{color:#555;margin-bottom:5px;font-weight:500;display:block}.form-group input[data-v-c02dff19],.form-group textarea[data-v-c02dff19],.form-group select[data-v-c02dff19]{box-sizing:border-box;border:1px solid #ddd;border-radius:4px;width:100%;padding:10px;font-size:14px}.form-group input[data-v-c02dff19]:focus,.form-group textarea[data-v-c02dff19]:focus,.form-group select[data-v-c02dff19]:focus{border-color:#42b983;outline:none}.region-select[data-v-c02dff19]{gap:10px;display:flex}.region-select select[data-v-c02dff19]{flex:1}.region-select select[data-v-c02dff19]:disabled{cursor:not-allowed;background:#eee}.submit-btn[data-v-c02dff19]{color:#fff;cursor:pointer;background:#42b983;border:none;border-radius:4px;width:100%;padding:12px;font-size:16px;transition:background .3s}.submit-btn[data-v-c02dff19]:hover{background:#359268}.message-list h3[data-v-c02dff19]{color:#333;margin-bottom:15px}.message-item[data-v-c02dff19]{background:#fff;border:1px solid #eee;border-radius:8px;margin-bottom:15px;padding:15px}.message-header[data-v-c02dff19]{justify-content:space-between;margin-bottom:10px;display:flex}.message-name[data-v-c02dff19]{color:#333;font-weight:600}.message-email[data-v-c02dff19]{color:#888;font-size:14px}.message-region[data-v-c02dff19]{color:#42b983;margin-bottom:10px;font-size:14px}.message-content[data-v-c02dff19]{color:#555;margin-bottom:10px;line-height:1.6}.message-time[data-v-c02dff19]{color:#aaa;font-size:12px}