body {
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 0;
}

.container {
    position: relative;
    max-width: 821px;
    margin: 0 auto;
    margin-top: 5px;
    margin-bottom: 5px;
    text-align: center;
    padding: 24px 16px 30px;
    border: 2px solid #1e5fe3;
    background: #fff;
}

.container-corner {
    position: absolute;
    width: 75px;
    height: auto;
    pointer-events: none;
    z-index: 3;
}

.corner-top-left {
    top: 1px;
    left: 1px;
}

.corner-top-right {
    top: 1px;
    right: 1px;
}

.corner-bottom-left {
    bottom: 1px;
    left: 1px;
}

.corner-bottom-right {
    bottom: 1px;
    right: 1px;
}

.logo-container {
    margin-bottom: 40px;
    margin-top: 0;
}

.app-logo {
    width: 140px;
    height: 140px;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
    font-size: 20px;
    margin-bottom: 30px;
    font-weight: 600;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 400px;
    margin: 0 auto;
}

.download-btn {
    display: block;
    padding: 0;
    border-radius: 0;
    text-decoration: none;
    transition: all 0.3s ease;
    background: none;
}

.download-btn img {
    width: 100%;
    height: auto;
    display: block;
}

.ios,
.android {
    background: none;
}

.download-btn:hover {
    transform: translateY(-2px);
    /* box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); */
}

/* 移动端适配 */

@media (max-width: 768px) {
    .container {
        margin: 0 8px;
        padding: 20px 12px 24px;
    }
    .container-corner {
        width: 55px;
    }
    .logo-container {
        margin-bottom: 30px;
    }
    .app-logo {
        width: 70px;
        height: 70px;
    }
    h1 {
        font-size: 18px;
        margin-bottom: 25px;
    }
    .download-btn:hover {
        transform: translateY(-2px);
    }
}

.tutorial-container {
    margin-top: 60px;
    padding: 0 20px;
    margin-bottom: 40px;
}

.tutorial-title {
    display: block;
    width: 80%;
    height: auto;
    margin: 0 auto 20px;
}

.tutorial-content {
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.tutorial-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

/* 移动端适配补充 */

@media (max-width: 768px) {
    .top-text {
        font-size: 20px;
        margin-bottom: 30px;
    }
    .tutorial-container {
        margin-top: 40px;
        margin-bottom: 30px;
    }
    .tutorial-title {
        margin-bottom: 15px;
    }
    .tutorial-image {
        max-width: 100%;
    }
}

.top-text {
    font-size: 24px;
    color: #333;
    margin-bottom: 40px;
    font-weight: 500;
}

.hero-section {
    position: relative;
    padding: 10px 15px 20px;
    margin-bottom: 10px;
    /* max-width: 500px; */
    margin-left: auto;
    margin-right: auto;
}

.hero-banner {
    text-align: center;
    animation: fadeIn 1s ease-out;
}

.hero-line {
    margin: 0;
    color: #fff;
    font-family: "Microsoft YaHei", "PingFang SC", "SimHei", sans-serif;
    font-weight: 900;
    line-height: 1.35;
    letter-spacing: 0.5px;
    -webkit-text-stroke: 12px #ff0000;
    paint-order: stroke fill;
}

.hero-line-sm {
    font-size: 35px;
    margin-bottom: 6px;
}

.hero-line-lg {
    font-size: 36px;
}

/* 动画效果 */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端适配 */

@media (max-width: 768px) {
    .hero-section {
        padding: 8px 10px 15px;
        z-index: 5;
    }
    .hero-line-sm {
        font-size: 16px;
    }
    .hero-line-lg {
        font-size: 20px;
    }
}

.info-section {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.info-content {
    font-size: 16px;
    color: #333;
    line-height: 1.6;
    text-align: center;
}

/* 移动端适配 */

@media (max-width: 768px) {
    .info-section {
        padding: 15px;
    }
    .info-content {
        font-size: 14px;
    }
}

@keyframes blink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* 添加浮动客服按钮样式 */

.float-contact {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #2196f3, #64b5f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
    margin-bottom: 8px;
    animation: float 3s ease-in-out infinite;
}

.contact-btn img {
    width: 30px;
    height: 30px;
}

.contact-text {
    font-size: 12px;
    color: #333;
    background: #fff;
    padding: 4px 8px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 移动端适配 */

@media (max-width: 768px) {
    .float-contact {
        right: 15px;
        bottom: 80px;
    }
    .contact-btn {
        width: 50px;
        height: 50px;
    }
    .contact-btn img {
        width: 25px;
        height: 25px;
    }
}

/* 禁用页面缩放 */

@viewport {
    width: device-width;
    zoom: 1;
    min-zoom: 1;
    max-zoom: 1;
    user-zoom: fixed;
}