* {
            -webkit-tap-highlight-color: transparent;
            outline: none;
            -webkit-focus-ring-color: transparent;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        .amount-item, .pay-type-item, .submit-btn {
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        input, textarea {
            -webkit-user-select: text;
            -moz-user-select: text;
            -ms-user-select: text;
            user-select: text;
        }

        input:focus, textarea:focus {
            outline: none !important;
            box-shadow: 0 0 0 3px rgba(74, 142, 255, 0.1) !important;
        }

        body {
            background: linear-gradient(135deg, #fff5f9 0%, #f0f8ff 50%, #f5fcff 100%);
            padding: 20px 15px;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .reward-card {
            width: 100%;
            max-width: 420px;
            padding: 35px 25px;
        }
        .reward-header {
            text-align: center;
            margin-bottom: 20px;
        }

        .avatar {
            width: 88px;
            height: 88px;
            border-radius: 50%;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, #ff6bcb 0%, #4a8eff 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255, 107, 203, 0.3);
            overflow: hidden;
        }

        .avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
            display: block;
        }
        .reward-title {
            font-size: 24px;
            font-weight: 600;
            color: #2a2a38;
            margin-bottom: 8px;
        }
        .reward-desc {
            font-size: 14px;
            color: #7a7a8c;
            line-height: 1.5;
        }
       
        .notice-bar {
            background: linear-gradient(90deg, #fff0f7 0%, #f0fcff 100%);
            border: 1px solid #ffc8e8;
            border-radius: 10px;
            padding: 12px 15px;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .notice-bar svg {
            width: 18px;
            height: 18px;
            fill: #ff6bcb;
            flex-shrink: 0;
        }
        .notice-text {
            font-size: 14px;
            color: #5a5a6c;
            line-height: 1.4;
        }
        .notice-text .highlight {
            color: #ff6bcb;
            font-weight: 600;
        }
        .section {
            margin-bottom: 28px;
        }
        .section-title {
            font-size: 15px;
            color: #5a5a6c;
            margin-bottom: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .section-title svg {
            width: 16px;
            height: 16px;
            fill: #ff6bcb;
        }
        
        .amount-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 20px;
        }
        .amount-item {
            height: 52px;
            border: 1px solid #e8e8f0;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 500;
            color: #2a2a38;
            cursor: pointer;
            transition: all 0.25s ease;
            user-select: none;
            background: #fdfdff;
        }
        .amount-item.active {
            border-color: #36d1dc;
            background-color: #f0fcff;
            color: #25b8c2;
            transform: translateY(-2px);
            box-shadow: 0 3px 10px rgba(54, 209, 220, 0.2);
        }
        .amount-item:hover {
            border-color: #4a8eff;
        }
        
        .custom-amount {
            position: relative;
        }
        .custom-input {
            width: 100%;
            height: 52px;
            border: 1px solid #e8e8f0;
            border-radius: 10px;
            padding: 0 15px 0 40px;
            font-size: 18px;
            outline: none;
            transition: all 0.25s ease;
            background: #fdfdff;
        }
        .custom-input:focus {
            border-color: #4a8eff;
        }
        .amount-prefix {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 18px;
            color: #2a2a38;
            font-weight: 500;
        }
        .input-group {
            margin-bottom: 15px;
        }
        .form-input {
            width: 100%;
            height: 48px;
            border: 1px solid #e8e8f0;
            border-radius: 10px;
            padding: 0 15px;
            font-size: 15px;
            outline: none;
            transition: all 0.25s ease;
            background: #fdfdff;
        }
        .form-input:focus {
            border-color: #4a8eff;
        }
        .form-textarea {
            height: 80px;
            resize: none;
            padding-top: 12px;
            padding-bottom: 12px;
        }
        
        .pay-type-list {
            display: flex;
            gap: 12px;
        }
        .pay-type-item {
            flex: 1;
            height: 54px;
            border: 1px solid #e8e8f0;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: #5a5a6c;
            cursor: pointer;
            transition: all 0.25s ease;
            user-select: none;
            background: #fdfdff;
        }
       
        .pay-type-item img {
            width: 18px;
            height: 18px;
            object-fit: contain;
        }
        .pay-type-item.active {
            border-color: #ff6bcb;
            background-color: #fff5f9;
            color: #ff6bcb;
            transform: translateY(-2px);
            box-shadow: 0 3px 10px rgba(255, 107, 203, 0.2);
        }
        .pay-type-item:hover {
            border-color: #ff6bcb;
        }
        
        .submit-btn {
            width: 100%;
            height: 56px;
            border: none;
            border-radius: 12px;
            background: linear-gradient(90deg, #ff6bcb 0%, #36d1dc 50%, #4a8eff 100%);
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
            background-size: 200% 100%;
        }
        .submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            background-position: 0 0;
        }
        .submit-btn:hover:not(:disabled) {
            background-position: 100% 0;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(54, 209, 220, 0.3);
        }
        .tip-text {
            font-size: 12px;
            color: #7a7a8c;
            text-align: center;
            margin-top: 15px;
        }
        .error-tip {
            color: #f53f3f;
            font-size: 13px;
            margin-top: 8px;
            display: none;
        }
        .query-link {
            text-align: center;
            margin-top: 14px;
        }
        .query-link a {
            color: #4a8eff;
            font-size: 13px;
            text-decoration: none;
        }
        .query-link a:hover {
            text-decoration: underline;
        }
        .modal-mask {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .modal-box {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            max-width: 340px;
            width: 100%;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }
        .modal-title {
            font-size: 17px;
            font-weight: 600;
            color: #2a2a38;
            margin-bottom: 10px;
            text-align: center;
        }
        .modal-text {
            font-size: 14px;
            color: #5a5a6c;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .modal-btn-group {
            display: flex;
            gap: 12px;
        }
        .modal-btn {
            flex: 1;
            height: 44px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            border: none;
        }
        .modal-cancel {
            background: #f2f3f5;
            color: #5a5a6c;
        }
        .modal-ok {
            background: linear-gradient(90deg, #ff6bcb 0%, #36d1dc 50%, #4a8eff 100%);
            color: #fff;
        }

        .popup-mask {
           display: flex;
           position: fixed;
           top: 0; left: 0; right: 0; bottom: 0;
           background: rgba(0, 0, 0, 0.55);
           z-index: 1000;
           align-items: center;
           justify-content: center;
           padding: 20px;
        }
        .popup-box {
           background: #fff;
           border-radius: 16px;
           padding: 30px 24px 20px;
           max-width: 380px;
           width: 100%;
           box-shadow: 0 12px 48px rgba(0, 0, 0, 0.25);
           animation: popupIn 0.35s ease;
        }
       @keyframes popupIn {
          from { opacity: 0; transform: translateY(30px) scale(0.95); }
          to { opacity: 1; transform: translateY(0) scale(1); }
       }
       .popup-content {
          font-size: 15px;
          color: #2a2a38;
          line-height: 1.7;
          margin-bottom: 20px;
          word-break: break-word;
       }
      .popup-content b { font-weight: bold; }
      .popup-content i { font-style: italic; }
      .popup-content u { text-decoration: underline; }
      .popup-footer {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        margin-bottom: 16px;
}
     .popup-check {
        font-size: 13px;
        color: #888;
        display: flex;
        align-items: center;
        gap: 4px;
        cursor: pointer;
}
    .popup-btn {
       display: block;
       margin: 20px auto 0 auto;
       padding: 10px 30px;
       min-width: 160px;
       border: none;
       border-radius: 10px;
       background: linear-gradient(90deg, #ff6bcb 0%, #36d1dc 50%, #4a8eff 100%);
       color: #fff;
       font-size: 15px;
       font-weight: 500;
       cursor: pointer;
       background-size: 200% 100%;
       transition: all 0.3s;
}
    .popup-btn:hover {
       background-position: 100% 0;
}

    .popup-title {
       font-size: 18px;
       font-weight: 600;
       color: #2a2a38;
       text-align: center;
       margin-bottom: 16px;
}