/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局 CSS 变量 - 圆角统一参数 */
:root {
    --radius: 8px;
    --theme-color: #6694ff;
}

html, body {
    overflow-x: hidden;
    overflow-y: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
    margin: 0;
}

/* 主容器样式 */
.main-container {
    width: 100%;
    max-width: 480px;
    height: 100%;
    min-height: 100vh;
    background: white;
    box-shadow: none;
    border-radius: 0;
    border: none;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: 0;
}

.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    padding: 15px;
}

/* Logo 样式 */
.logo-container {
    margin-bottom: 0px;
}

.logo {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
}

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

/* 标题文字样式 */
.title-section {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
}

.main-title {
    font-size: 14px;
    font-weight: 300;
    margin-bottom: 8px;
    color: #666;
}

.subtitle {
    font-size: 14px;
    font-weight: 300;
    color: #666;
    line-height: 1.5;
}

/* 按钮列表样式 */
.button-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.btn {
    width: 45%;
    padding: 16px 24px;
    background: #f5f5f5;
    border: 1px solid #d1d1d1;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 400;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.btn:hover {
    background: #e8e8e8;
}

.btn:active {
    transform: translateY(0);
}

/* 底部信息样式 */
.footer {
    text-align: center;
    color: #666;
    margin-top: auto;
    padding-bottom: 25px;
    font-size: 14px;
    line-height: 1.8;
}

.footer-slogan {
    font-size: 14px;
    font-weight: 300;
    margin-bottom: 4px;
    color: #888;
}

.footer-company {
    color: #888;
    font-weight: 300;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 480px) {
    body {
        padding: 0;
        margin: 0;
        background: #f0f0f0;
    }

    .main-container {
        max-width: 100%;
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
        margin: 0;
    }

    .container {
        padding: 30px 16px;
    }

    .logo-container {
        margin-top: 20px;
        margin-bottom: 0px;
    }

    .btn {
        width: 50%;
    }

    .footer {
        padding-bottom: 20px;
    }

    .logo {
        width: 130px;
        height: 130px;
    }

    .logo svg {
        width: 45px;
        height: 45px;
    }

    .main-title {
        font-size: 14px;
        color: #888;
    }

    .subtitle {
        font-size: 14px;
        color: #888;
    }
}