* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
    scrollbar-width: none;
}

body {
    background: linear-gradient(90deg, #19191B 0%, #1E254F 100%);
    color: white;
    padding: 20px 20px 0px 20px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    border-radius: 0px 0px 0px 0px;
}

.header {
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    margin-bottom: 20px;
}

.back-button {
    color: white;
    text-decoration: none;
    font-size: 24px;
    width: 24px;
}

.title {
    width: 64px;
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.logo-top {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.logo {
    width: 100%;
    height: 32px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 20px;
}

.logo-language-icon {
    width: 90px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-language-icon-img {
    height: 20px;
    margin-left: 5px;
}

.logo-language {
    width: 100%;
    height: 32px;
    border-radius: 8px;
    background: none;
    border: none;
    color: #ccc;
    outline: none;
}

.logo-language>option {
    background: #1E254F;
    color: #FFFFFF;
    margin: 10px 0px;
}

.features {
    display: flex;
    justify-content: flex-start;
    gap: 10px;
    flex-wrap: nowrap;
    width: 100%;
    clear: left;
}

.feature {
    font-weight: 400;
    font-size: 12px;
    color: #FFFFFF;
    text-align: center;
    margin-right: 10px;
}

.feature:before {
    content: "•";
    width: 5px;
    margin-right: 5px;
    color: #FED13A;
}

.app-box {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;

}

.app-icon {
    display: flex;
    justify-content: center;

}

.app-icon img {
    width: 120px;
}

.app-title {
    font-family: PingFang SC, PingFang SC;
    font-weight: bold;
    font-size: 16px;
    color: #FFFFFF;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.app-description {
    width: 196px;
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    margin-top: 20px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.download-buttons {
    width: 190px;
    margin: 20px 0px;
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    text-decoration: none;
    font-family: "PingFang SC", "PingFang SC";
    font-weight: 400;
    font-size: 14px;
}

.ios-button {
    background-color: white;
    color: black;
}

.ios-button:active {
    background-color: rgb(214, 214, 214);
    color: black;
}

.android-button {
    margin-top: 10px;
    background-color: #00C853;
    color: white;
}

.android-button:active {
    background-color: #01aa47;
}

.button-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    margin-right: 10px;
}

.preview-section {
    width: 279px;
}

.preview-image {
    width: 100%;
}

/* 测试结果样式 */
.test-results {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.test-results h4 {
    color: #FED13A;
    font-size: 14px;
    margin-bottom: 10px;
    font-family: PingFang SC, PingFang SC;
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    font-size: 12px;
    font-family: PingFang SC, PingFang SC;
}

.result-url {
    flex: 1;
    color: #ccc;
    word-break: break-all;
}

.result-status {
    color: #FED13A;
    font-weight: bold;
}

.result-speed {
    color: #00C853;
    font-weight: bold;
}