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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    height: 100vh;
    overflow: hidden;
    position: relative;
    background-color: #f1f3f3;
}

/* 光晕圆圈容器 */
.gradient-background {
    height: 100vh;
    mask-image: radial-gradient(ellipse at center top, white 0%, transparent 55%);
    mask-position: center center;
    mask-repeat: no-repeat;
    mask-size: 200% 100%;
    overflow: hidden;
    pointer-events: none;
    position: absolute;
    width: 100vw;
    z-index: 1;
}

.gradient-container {
    filter: blur(100px);
    height: 100%;
    inset: 0;
    position: absolute;
    width: 100%;
}

.orbiter {
    border-radius: 9999px;
    height: 70%;
    width: 50%;
    position: absolute;
    left: 50%;
    top: 50%;
}

.orbiter:first-child {
    background-color: rgba(42, 162, 211, 0.3);
    transform: translate(-75%, -30%);
}

.orbiter:last-child {
    background-color: rgba(251, 146, 60, 0.3);
    transform: translate(-5%, -30%);
}

/* 点阵背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, #000 1.6px, transparent 1.6px);
    background-size: 22px 22px;
    background-position: 0 0;
    opacity: 0.06;
    z-index: 0;
}

.container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 2;
}

.header {
    padding: 30px 40px;
    position: relative;
    z-index: 2;
}

.logo {
    height: 50px;
    width: auto;
    display: block;
}

.floating-images {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1.5;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 2;
}

.floating-image {
    position: absolute;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    /* background: #fff; */
    transition: transform 0.3s ease;
    /* 从中心点偏移 */
    transform-origin: center center;
}

.floating-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 图片位置和大小 - 围绕中心形成圆形分布，避免重叠和遮挡文字 */
/* 使用精确的圆形分布，距离中心约400-480px，给文字区域（约800px宽）留出足够空间 */
/* 9张图片均匀分布在圆周上，每张约40度间隔，避免重叠，整体向上偏移60px */
.image-1 {
    width: 120px;
    height: 120px;
    top: calc(50vh - 400px);
    left: calc(50vw - 60px);
    transform: rotate(-8deg);
}

.image-2 {
    width: 150px;
    height: 150px;
    top: calc(50vh - 400px);
    left: calc(50vw + 220px);
    transform: rotate(12deg);
}

.image-3 {
    width: 180px;
    height: 180px;
    top: calc(50vh - 330px);
    left: calc(50vw - 440px);
    transform: rotate(-15deg);
}

.image-4 {
    width: 140px;
    height: 140px;
    top: calc(50vh - 180px);
    left: calc(50vw + 400px);
    transform: rotate(15deg);
}

.image-5 {
    width: 160px;
    height: 160px;
    top: calc(50vh + 120px);
    left: calc(50vw - 460px);
    transform: rotate(-12deg);
}

.image-6 {
    width: 130px;
    height: 130px;
    top: calc(50vh + 240px);
    left: calc(50vw + 250px);
    transform: rotate(8deg);
}

.image-7 {
    width: 110px;
    height: 110px;
    top: calc(50vh - 50px);
    left: calc(50vw - 500px);
    transform: rotate(-15deg);
}

.image-8 {
    width: 170px;
    height: 170px;
    top: calc(50vh + 40px);
    left: calc(50vw + 370px);
    transform: rotate(-7deg);
}

.image-9 {
    width: 100px;
    height: 100px;
    top: calc(50vh + 260px);
    left: calc(50vw - 50px);
    transform: rotate(-18deg);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    position: relative;
    z-index: 3;
    padding: 0;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.5;
    margin: 0;
}

.highlight-text {
    position: relative;
    display: inline-block;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 14px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' preserveAspectRatio='none' viewBox='0 0 100 14'%3E%3Cpath d='M2,10 Q20,5 40,10 T80,10 Q90,12 98,10' stroke='%23FE9C11' stroke-width='4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center bottom;
    opacity: 0.9;
    z-index: -1;
    transform: translateY(6px);
}

.hero-description {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    max-width: 700px;
}

.download-button {
    padding: 16px 48px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background-color: #2aa2d3;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 8px;
    width: auto;
    max-width: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.download-button:hover {
    background-color: #1e8fb8;
}

.download-button:active {
    transform: scale(0.98);
}

.button-icon {
    width: 22px;
    height: 22px;
    display: block;
    flex-shrink: 0;
    filter: brightness(0) invert(1);
}

.recommend-badges {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.recommend-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0px;
}

.laurel-icon {
    width: 26px;
    height: 30px;
    display: block;
    flex-shrink: 0;
}

.recommend-text {
    font-size: 12px;
    color: #666;
    text-align: center;
    line-height: 1.4;
}

.footer {
    padding: 20px 40px;
    text-align: center;
    color: #666;
    font-size: 14px;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    justify-content: center;
}

.footer-link {
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 13px;
    position: relative;
}

.footer-link:hover {
    color: #2aa2d3;
    text-decoration: underline;
    text-decoration-style: wavy;
    text-decoration-color: #2aa2d3;
    text-underline-offset: 4px;
}

.footer-copyright {
    margin: 0;
    font-size: 13px;
}

/* 语言切换器 */
.language-switcher {
    position: fixed;
    top: 45px;
    right: 40px;
    z-index: 1000;
    display: none;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #ddd;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    color: #1a1a1a;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: #2aa2d3;
    color: #fff;
    border-color: #2aa2d3;
}

/* 移动端样式（手机端） */
@media (max-width: 767px) {
    body {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .gradient-background {
        height: auto;
        min-height: 100vh;
    }

    .container {
        height: auto;
        min-height: 100vh;
    }

    .floating-images {
        display: none;
    }
    .hero-title {
        font-size: 38px;
    }
}

/* ============================================
   静态页面样式（隐私政策、服务条款、技术支持）
   ============================================ */

/* 静态页面 body 样式覆盖 */
body.page-static {
    height: auto;
    overflow: auto;
    background: #fff;
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

body.page-static::before {
    display: none;
}

/* 静态页面通用样式 */
.page-static .header {
    text-align: center;
    padding: 40px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 40px;
}

.page-static h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.page-static .update-date {
    color: #666;
    font-size: 0.9rem;
}

.page-static .content {
    padding-bottom: 60px;
}

.page-static h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 40px 0 20px;
    color: #1a1a1a;
}

.page-static p {
    margin-bottom: 16px;
    color: #444;
}

.page-static ul {
    margin: 16px 0;
    padding-left: 24px;
}

.page-static li {
    margin-bottom: 12px;
    color: #444;
}

.page-static strong {
    color: #1a1a1a;
    font-weight: 600;
}

/* 联系信息框 */
.page-static .contact {
    background: #f5f5f5;
    padding: 20px;
    border-radius: 12px;
    margin: 30px 0;
}

.page-static .contact h2 {
    margin-top: 0;
}

.page-static .contact p {
    margin-bottom: 0;
}

/* 通知框 */
.page-static .notice {
    background: #fff5e6;
    padding: 20px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid #C48709;
}

.page-static .notice p {
    margin-bottom: 0;
}

/* FAQ 样式（技术支持页面） */
.page-static .faq-item {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    border-left: 4px solid #007AFF;
}

.page-static .faq-question {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.page-static .faq-answer {
    color: #444;
}

/* 支持方式（技术支持页面） */
.page-static .support-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.page-static .support-method {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.page-static .support-method:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-static .support-method h3 {
    color: #007AFF;
    margin-bottom: 10px;
}

.page-static .support-method p {
    margin-bottom: 15px;
}

.page-static .support-method a {
    color: #007AFF;
    text-decoration: none;
    font-weight: 500;
}

.page-static .support-method a:hover {
    text-decoration: underline;
}

/* 返回链接 */
.page-static .back-link {
    display: inline-block;
    margin-top: 40px;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.page-static .back-link:hover {
    opacity: 0.7;
}