* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'ZCOOL KuaiLe', 'Microsoft YaHei', 'SimHei', 'Arial', sans-serif;
    background: url('beijing.png') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

.game-container {
    width: 100%;
    max-width: 500px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0.65));
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 3px solid rgba(100, 181, 246, 0.8);
}

.header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

h1 {
    font-family: 'Ma Shan Zheng', 'SimSun', 'Microsoft YaHei', 'Arial', sans-serif;
    color: #1976D2;
    font-size: 32px;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.6);
    letter-spacing: 2px;
    text-align: center;
    margin: 0 auto;
}

.balance-section {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.balance-container {
    background: linear-gradient(45deg, rgba(255, 152, 0, 0.9), rgba(255, 87, 34, 0.85));
    color: white;
    padding: 8px 15px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
    position: relative;
}

#balance {
    margin: 0 2px;
}

.withdraw-btn {
    background: linear-gradient(45deg, rgba(255, 152, 0, 0.9), rgba(255, 87, 34, 0.85));
    border: none;
    color: white;
    padding: 8px 15px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.withdraw-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.withdraw-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.2);
}

.game-board {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    gap: 5px;
    padding: 5px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(100, 181, 246, 0.25);
}

.tile {
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.08);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: rgba(255, 255, 255, 0.15);
}

.tile:active {
    transform: scale(0.95);
}

.tile.selected {
    transform: scale(0.95);
    box-shadow: 0 0 15px rgba(25, 118, 210, 0.7);
}

.tile.highlight {
    animation: pulse 0.4s alternate;
    z-index: 5;
}

.tile.removing {
    animation: fadeOut 0.3s forwards;
    z-index: 5;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
        box-shadow: 0 0 12px rgba(25, 118, 210, 0.6);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0);
    }
}

/* 简化方块出现的动画 */
.tile.new {
    animation: appearEffect 0.2s forwards;
}

@keyframes appearEffect {
    from {
        opacity: 0.5;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 简化提示闪烁效果 */
.hint-flash {
    animation: hintFlash 0.6s ease-in-out;
}

@keyframes hintFlash {
    0%, 100% {
        box-shadow: none;
    }
    50% {
        box-shadow: 0 0 12px rgba(25, 118, 210, 0.7);
    }
}

.controls {
    margin-top: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
}

button {
    background: linear-gradient(45deg, rgba(25, 118, 210, 0.9), rgba(66, 165, 245, 0.85));
    border: none;
    color: white;
    padding: 12px 24px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* 添加响应式设计 */
@media screen and (max-width: 480px) {
    .game-container {
        padding: 15px;
    }
    
    .header {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    
    h1 {
        font-size: 28px;
        margin-bottom: 10px;
    }
    
    .balance-container {
        font-size: 16px;
        padding: 6px 12px;
    }
    
    .withdraw-btn {
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .game-board {
        gap: 3px;
        padding: 3px;
    }
    
    button {
        padding: 10px 20px;
        font-size: 16px;
    }
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.75));
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
    padding: 25px;
    max-width: 90%;
    width: 400px;
    transform: scale(0.8);
    transition: all 0.3s ease;
    text-align: center;
    border: 3px solid rgba(100, 181, 246, 0.8);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-title {
    font-family: 'Ma Shan Zheng', 'SimSun', 'Microsoft YaHei', 'Arial', sans-serif;
    color: #1976D2;
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: bold;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.6);
}

.modal-content {
    color: #333333;
    margin-bottom: 20px;
    font-size: 18px;
    line-height: 1.5;
}

.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.modal-button {
    background: linear-gradient(45deg, rgba(25, 118, 210, 0.9), rgba(66, 165, 245, 0.85));
    border: none;
    color: white;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.modal-button.secondary {
    background: linear-gradient(45deg, rgba(204, 204, 204, 0.9), rgba(153, 153, 153, 0.85));
    color: #333333;
}

/* 邀请按钮样式 */
.invite-button {
    position: fixed;
    right: 20px;
    top: 15%;
    transform: translateY(-50%);
    background: linear-gradient(45deg, #FF9800, #F57C00);
    color: white;
    border-radius: 50px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 90;
    font-weight: bold;
}

.invite-button:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.invite-button:active {
    transform: translateY(-50%) scale(0.98);
}

.invite-icon {
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 邀请弹窗样式 */
.invite-qrcode {
    background-color: white;
    padding: 15px;
    border-radius: 10px;
    margin: 0 auto 15px;
    width: fit-content;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.invite-instruction {
    font-size: 24px;
    margin-bottom: 20px;
    margin-top: 10px;
    font-weight: bold;
}

.highlight-text {
    color: #FF5722;
    font-weight: bold;
    font-size: 26px;
    cursor: pointer;
    position: relative;
    display: inline-block;
    transition: all 0.2s ease;
}

.highlight-text:hover {
    transform: scale(1.05);
}

.highlight-text:active {
    transform: scale(0.98);
}

.highlight-text::after {
    content: "✏️";
    font-size: 14px;
    position: absolute;
    top: -5px;
    right: -15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.highlight-text:hover::after {
    opacity: 1;
}

.invite-note {
    font-size: 22px;
    color: #FF9800;
    margin-bottom: 15px;
    font-weight: bold;
}

.invite-motto {
    font-style: italic;
    color: #555;
    margin-top: 10px;
    font-size: 18px;
}

.invite-link {
    display: flex;
    margin-top: 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.invite-link input {
    flex: 1;
    border: none;
    padding: 10px 15px;
    background: transparent;
    font-size: 14px;
}

.invite-link button {
    padding: 8px 15px;
    margin: 4px;
    border-radius: 6px;
    font-size: 14px;
    background: linear-gradient(45deg, #FF9800, #F57C00);
}

/* 响应式调整 */
@media screen and (max-width: 767px) {
    .invite-button {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .invite-qrcode img {
        width: 150px;
    }
}

.invite-tip {
    font-size: 16px;
    color: #E53935;
    margin-bottom: 15px;
    font-weight: bold;
}

/* 强调"点"字的样式 */
.emphasis {
    font-size: 24px;
    font-weight: bolder;
    display: inline-block;
    margin: 0 2px;
    animation: pulse-emphasis 1.5s infinite alternate;
}

@keyframes pulse-emphasis {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
        text-shadow: 0 0 5px rgba(229, 57, 53, 0.7);
    }
}

/* 弹出输入框样式 */
.input-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

/* 提现到账通知样式 */
.notification {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    padding: 12px 16px;
    z-index: 1000;
    transition: top 0.5s ease;
}

.notification.show {
    top: 20px;
}

.notification-left {
    width: 36px;
    height: 36px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-left img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.notification-content {
    flex: 1;
    color: #333;
}

.notification-title {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 2px;
    color: #000000;
}

.notification-message {
    font-size: 14px;
    color: #333;
}

.notification-right {
    width: 36px;
    height: 36px;
    margin-left: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-right img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media screen and (max-width: 480px) {
    .notification {
        width: 95%;
        padding: 10px 12px;
    }
    
    .notification-left, 
    .notification-right {
        width: 30px;
        height: 30px;
    }
    
    .notification-title {
        font-size: 14px;
    }
    
    .notification-message {
        font-size: 13px;
    }
}

.input-overlay.active {
    opacity: 1;
    visibility: visible;
}

.input-container {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.85));
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
    padding: 25px;
    max-width: 90%;
    width: 350px;
    transform: scale(0.8);
    transition: all 0.3s ease;
    text-align: center;
    border: 3px solid rgba(255, 152, 0, 0.8);
}

.input-overlay.active .input-container {
    transform: scale(1);
}

.input-title {
    font-family: 'Ma Shan Zheng', 'SimSun', 'Microsoft YaHei', 'Arial', sans-serif;
    color: #FF5722;
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: bold;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.6);
}

.input-field {
    width: 100%;
    padding: 12px 15px;
    font-size: 18px;
    border-radius: 10px;
    border: 2px solid rgba(255, 152, 0, 0.5);
    background-color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
    color: #FF5722;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    -webkit-appearance: none;
    appearance: none;
    z-index: 210;
    position: relative;
}

.input-field:focus {
    outline: none;
    border-color: #FF5722;
    box-shadow: 0 0 10px rgba(255, 87, 34, 0.3);
}

.input-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.input-button {
    background: linear-gradient(45deg, #FF9800, #F57C00);
    border: none;
    color: white;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.input-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.input-button.secondary {
    background: linear-gradient(45deg, rgba(204, 204, 204, 0.9), rgba(153, 153, 153, 0.85));
    color: #333333;
}

/* 确保移动设备上的输入体验更好 */
@media screen and (max-width: 480px) {
    .input-container {
        width: 100%;
        max-width: 320px;
        padding: 20px;
    }
    
    .input-field {
        font-size: 16px;
        padding: 10px;
    }
    
    .input-title {
        font-size: 20px;
    }
    
    .input-button {
        padding: 8px 16px;
        font-size: 15px;
    }
}

/* 弹幕容器 */
.danmaku-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 15%; /* 增加高度到15%给足够的空间分布弹幕 */
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

/* 弹幕样式 */
.danmaku {
    position: absolute;
    white-space: nowrap;
    font-size: 16px;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    padding: 3px 8px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.3);
    left: 100%;
    /* 移除固定动画时间，改为在JS中动态设置 */
    animation-name: danmaku-move;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}

/* 修改弹幕创建逻辑，控制时间间隔 */
@keyframes danmaku-move {
    from {
        left: 100%;
    }
    to {
        left: -50%;
    }
}

/* 升级按钮特殊样式 */
.upgrade-btn {
    background: linear-gradient(45deg, #4CAF50, #2E7D32);
    font-size: 18px;
    padding: 12px 24px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.upgrade-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.upgrade-btn:hover:before {
    left: 100%;
}

.upgrade-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

/* 下载页面样式 */
.download-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    padding: 25px;
    max-width: 90%;
    width: 400px;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.download-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.app-logo {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    margin-right: 15px;
    object-fit: contain;
}

.download-header h2 {
    font-size: 28px;
    font-weight: bold;
    color: #1E88E5;
    margin: 0;
}

.download-content {
    padding: 10px 0 20px;
}

.download-content p {
    margin: 5px 0;
    font-size: 18px;
    color: #333;
}

.download-tip {
    color: #f44336 !important;
    font-weight: bold;
    margin: 15px 0 !important;
}

.qr-container {
    margin: 15px auto;
    padding: 10px;
    width: 90%;
    max-width: 260px;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.qr-image {
    width: 100%;
    height: auto;
    max-width: 240px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    margin-bottom: 10px;
    object-fit: contain;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.qr-image:hover {
    transform: scale(1.03);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.qr-image:active {
    transform: scale(0.98);
}

.qr-code p {
    margin-top: 5px;
    font-size: 16px;
    color: #1565C0;
    font-weight: bold;
}

/* 添加保存提示样式 */
.saving-tip, .success-tip {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: bold;
    pointer-events: none;
}

.success-tip {
    background-color: rgba(76, 175, 80, 0.8);
}

.download-btn {
    background: linear-gradient(45deg, #1E88E5, #1565C0);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 30px;
    margin: 10px 0 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 80%;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(21, 101, 192, 0.4);
}

.download-btn:disabled {
    background: #9E9E9E;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.download-footer {
    margin-top: 15px;
    font-size: 14px;
    color: #757575;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #9E9E9E;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    box-shadow: none;
}

.close-btn:hover {
    color: #333;
    transform: none;
    box-shadow: none;
}

/* 添加响应式样式 */
@media screen and (max-width: 480px) {
    .qr-container {
        width: 85%;
        max-width: 220px;
    }
    
    .qr-image {
        max-width: 200px;
    }
    
    .download-container {
        padding: 20px 15px;
    }
}

/* 放大查看二维码的样式 */
.enlarged-qr-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.enlarged-qr-image {
    max-width: 90%;
    max-height: 70vh;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    object-fit: contain;
    background-color: white;
    padding: 15px;
}

.enlarged-qr-tip {
    color: white;
    margin-top: 15px;
    font-size: 16px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.save-qr-button {
    margin-top: 20px;
    background: linear-gradient(45deg, #2196F3, #1976D2);
    border: none;
    color: white;
    padding: 10px 25px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.save-qr-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}

.save-qr-button:disabled {
    background: #9E9E9E;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 修改原始二维码提示文字 */
.qr-code p {
    margin-top: 5px;
    font-size: 16px;
    color: #1565C0;
    font-weight: bold;
}

/* 放大图片中的按钮容器 */
.enlarged-button-container {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* 打开链接按钮样式 */
.open-link-button {
    background: linear-gradient(45deg, #FF9800, #F57C00);
    border: none;
    color: white;
    padding: 10px 25px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.open-link-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 152, 0, 0.4);
}

/* 针对小屏幕设备优化按钮显示 */
@media screen and (max-width: 480px) {
    .enlarged-button-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .open-link-button,
    .save-qr-button {
        padding: 8px 20px;
        font-size: 14px;
    }
}

/* 苹果提示框样式 - 更加醒目的绿色设计 */
.ios-tip {
    background: linear-gradient(to right, #4CAF50, #81c784);  /* 绿色渐变背景 */
    border: 2px solid #2e7d32;  /* 加粗深绿色边框 */
    border-radius: 10px;
    padding: 12px 15px;
    margin: 15px auto;
    width: 85%;
    max-width: 300px;
    text-align: center;
    color: white;  /* 白色文字更醒目 */
    font-size: 17px;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);  /* 更明显的阴影 */
    animation: pulse-ios-tip 2s infinite;  /* 添加脉动动画 */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);  /* 添加文字阴影 */
    letter-spacing: 0.5px;  /* 字间距增加可读性 */
}

/* 添加脉动动画使提示框更加醒目 */
@keyframes pulse-ios-tip {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 6px 12px rgba(76, 175, 80, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);
    }
}