:root{--primary-color: #06C755;--primary-light: #e6f7ff;--primary-border: #91d5ff;--primary-text: #1890ff;--admin-light: #fff1f0;--admin-border: #ffa39e;--admin-text: #cf1322;--warning-bg: #fffbe6;--warning-border: #faad14;--warning-text: #856404;--success-bg: #f6ffed;--success-border: #b7eb8f;--success-text: #389e0d;--bg-color: #f0f2f5;--card-bg: #ffffff;--text-main: #333333;--text-sub: #666666;--text-muted: #999999}body{margin:0;padding:0;background-color:var(--bg-color);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px;box-sizing:border-box}.card{background-color:var(--card-bg);border-radius:20px;box-shadow:0 10px 40px #00000014;width:100%;max-width:400px;padding:32px;box-sizing:border-box;text-align:center;border:1px solid rgba(0,0,0,.05);transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-2px);box-shadow:0 15px 45px #0000001f}.warning-card{border:2px solid var(--warning-border);background-color:var(--warning-bg)}.warning-icon{font-size:56px;margin-bottom:16px;animation:pulse 2s infinite ease-in-out}.warning-title{color:var(--warning-text);margin:0 0 16px;font-size:24px}.warning-message{color:var(--warning-text);line-height:1.6;margin-bottom:24px;font-weight:500}.loader-container{display:flex;flex-direction:column;align-items:center;justify-content:center}.spinner{width:40px;height:40px;border:4px solid rgba(6,199,85,.2);border-left-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}.loading-text{color:var(--text-sub);font-weight:500;letter-spacing:1px}.card-header{margin-bottom:28px}.avatar-container{width:88px;height:88px;margin:0 auto 16px;border-radius:50%;overflow:hidden;border:3px solid var(--primary-color);box-shadow:0 6px 16px #06c75540;position:relative;background-color:#fff}.avatar-img{width:100%;height:100%;object-fit:cover}.app-title{font-size:26px;font-weight:800;color:var(--text-main);margin:0;letter-spacing:-.5px}.card-content{margin-bottom:24px}.welcome-text{font-size:18px;color:var(--text-sub);margin-bottom:16px}.user-name{font-weight:700;color:var(--text-main)}.role-badge{display:inline-block;padding:6px 16px;border-radius:24px;font-size:13px;font-weight:700;margin-bottom:24px;border:1px solid;letter-spacing:.5px}.badge-admin{background-color:var(--admin-light);color:var(--admin-text);border-color:var(--admin-border)}.badge-member{background-color:var(--primary-light);color:var(--primary-text);border-color:var(--primary-border)}.info-box{border-radius:12px;padding:16px;text-align:left;line-height:1.5}.success-box{background-color:var(--success-bg);border:1px solid var(--success-border)}.info-title{margin:0 0 6px;color:var(--success-text);font-size:15px}.sub-text{margin:0;font-size:14px;color:var(--text-sub)}.center-text{text-align:center}.error-card{border:2px solid #ff4d4f}.error-title{color:#ff4d4f;margin-bottom:16px}.error-message{color:var(--text-main);margin-bottom:12px;font-weight:500}.error-hint{font-size:13px;color:var(--text-sub)}.card-footer{border-top:1px solid rgba(0,0,0,.06);padding-top:20px}.user-id{font-size:12px;color:var(--text-muted);margin:0;font-family:monospace}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}.form-group{margin-bottom:20px;text-align:left}.form-label{display:block;font-size:14px;font-weight:700;color:var(--text-main);margin-bottom:8px}.form-select{width:100%;padding:12px 16px;border-radius:12px;border:1px solid #d9d9d9;background-color:#fff;font-size:16px;color:var(--text-main);-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;transition:border-color .3s,box-shadow .3s}.form-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #06c7551a}.form-select:disabled{background-color:#f5f5f5;color:var(--text-muted);cursor:not-allowed}.form-button{width:100%;padding:14px;border-radius:12px;border:none;background-color:var(--primary-color);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:background-color .3s,transform .2s;margin-top:10px}.form-button:hover:not(:disabled){background-color:#05b34c;transform:translateY(-1px)}.form-button:active:not(:disabled){transform:translateY(0)}.form-button:disabled{background-color:#d9d9d9;cursor:not-allowed}.announcement-list{text-align:left;margin-top:20px}.announcement-item{padding:16px;border-radius:12px;background-color:#f9f9f9;margin-bottom:12px;border-left:4px solid var(--primary-color)}.announcement-title{font-weight:700;font-size:16px;margin-bottom:4px;color:var(--text-main)}.announcement-date{font-size:12px;color:var(--text-muted);margin-bottom:8px}.announcement-excerpt{font-size:14px;color:var(--text-sub);line-height:1.4}.mt-20{margin-top:20px}.mb-10{margin-bottom:10px}