/* 全局基础样式 */
.z03c25body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top left, #151515, #050505 55%, #000000 100%);
    color: #f5f5f5;
    line-height: 1.6;
}

/* 顶部区域 */
.z03c25header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.z03c25header-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.z03c25logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.z03c25logo-link {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.z03c25logo-img {
    display: block;
    height: 32px;
    width: auto;
}

/* 顶部导航栏 */
.z03c25nav {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: space-between;
    min-width: 0;
    gap: 16px;
}

.z03c25nav-title {
    font-size: 13px;
    color: #c8c8c8;
    white-space: nowrap;
}

.z03c25nav-menu {
    display: flex;
    align-items: center;
    gap: 14px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 13px;
}

.z03c25nav-link {
    color: #dcdcdc;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.z03c25nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

/* 移动端汉堡菜单基础 */
.z03c25nav-toggle {
    display: none;
}

.z03c25nav-toggle-btn {
    display: none;
    width: 32px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.z03c25nav-toggle-bar {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background-color: #ffffff;
}

.z03c25nav-mobile {
    display: none;
    width: 100%;
}

.z03c25nav-mobile-inner {
    margin-top: 8px;
    border-radius: 12px;
    padding: 10px 12px 12px;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.z03c25nav-mobile-title {
    font-size: 13px;
    color: #dcdcdc;
    margin-bottom: 4px;
}

.z03c25nav-mobile-link {
    font-size: 14px;
    color: #f5f5f5;
    text-decoration: none;
    padding: 4px 2px;
}

.z03c25nav-mobile-link:hover {
    text-decoration: underline;
}

/* 主体布局 */
.z03c25main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

/* 通用按钮 */
.z03c25btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.z03c25btn-primary {
    background: #ffffff;
    color: #000000;
}

.z03c25btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.z03c25btn-gradient {
    background: linear-gradient(135deg, #ffffff, #1f1f1f);
    color: #000000;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.55);
}

.z03c25btn-gradient:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75);
}

.z03c25btn-outline {
    background: transparent;
    color: #f5f5f5;
    border-color: rgba(255, 255, 255, 0.35);
}

.z03c25btn-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

.z03c25btn-icon {
    margin-right: 6px;
    font-size: 16px;
}

/* 顶部下载按钮 */
.z03c25btn-top-download {
    padding-inline: 18px;
}

/* 头部主视觉区域 */
.z03c25hero {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
    gap: 40px;
    align-items: center;
    padding-top: 32px;
    padding-bottom: 40px;
}

.z03c25hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: #f0f0f0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 10px;
}

.z03c25hero-text {
    max-width: 620px;
}

.z03c25h1 {
    font-size: 32px;
    margin: 0 0 10px;
}

.z03c25h2 {
    font-size: 18px;
    margin: 0 0 16px;
    color: #c7c7c7;
}

.z03c25hero-desc {
    font-size: 14px;
    color: #b0b0b0;
    margin-bottom: 20px;
}

/* 下载按钮区域 */
.z03c25download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.z03c25btn-android {
    min-width: 150px;
}

.z03c25btn-ios {
    min-width: 150px;
}

/* 右侧APP预览 */
.z03c25hero-side {
    display: flex;
    justify-content: flex-end;
}

.z03c25mockup-box {
    width: 260px;
    height: 520px;
    border-radius: 36px;
    padding: 14px;
    background: radial-gradient(circle at top, #2a2a2a, #050505);
    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.9),
        0 0 0 1px rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
}

.z03c25hero-img {
    width: 100%;
    height: 100%;
    border-radius: 26px;
    object-fit: cover;
    display: block;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* 功能亮点区域 */
.z03c25features {
    margin-top: 20px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.z03c25features-frame {
    border-radius: 20px;
    padding: 20px 20px 22px;
    background: radial-gradient(circle at top left, #222222, #050505);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.85);
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr);
    gap: 24px;
    align-items: flex-start;
}

.z03c25features-intro {
    font-size: 14px;
}

.z03c25features-title {
    font-size: 20px;
    margin-bottom: 18px;
}

.z03c25features-text {
    font-size: 14px;
    color: #c7c7c7;
    margin: 0 0 10px;
}

.z03c25features-list {
    margin: 10px 0 0;
    padding-left: 18px;
    font-size: 13px;
    color: #d0d0d0;
}

.z03c25features-list-item {
    margin-bottom: 6px;
}

.z03c25features-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.z03c25feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 14px 16px;
    border-radius: 16px;
    background: radial-gradient(circle at top left, #202020, #080808);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.z03c25feature-icon {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.03);
}

.z03c25feature-title {
    font-size: 15px;
    margin: 0 0 4px;
}

.z03c25feature-desc {
    font-size: 13px;
    color: #b2b2b2;
    margin: 0;
}

/* 再次下载召唤区域 */
.z03c25cta {
    margin-top: 36px;
}

.z03c25cta-inner {
    border-radius: 20px;
    padding: 20px 22px;
    background: radial-gradient(circle at top right, #1d1d1d, #050505);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.z03c25cta-title {
    font-size: 18px;
    margin: 0 0 6px;
}

.z03c25cta-desc {
    font-size: 13px;
    color: #b5b5b5;
    margin: 0;
}

.z03c25cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 页脚 */
.z03c25footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px 20px 24px;
    text-align: center;
    font-size: 12px;
    color: #808080;
}

.z03c25footer-text {
    margin: 0;
}

/* 通用内容区块 */
.z03c25section {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.z03c25section-title {
    font-size: 20px;
    margin: 0 0 14px;
}

.z03c25section-text {
    font-size: 14px;
    color: #c4c4c4;
    margin: 0 0 10px;
}

.z03c25section-list {
    margin: 10px 0 0;
    padding-left: 20px;
    font-size: 14px;
    color: #c4c4c4;
}

.z03c25section-list-item {
    margin-bottom: 6px;
}

/* 独立下载板块 */
.z03c25section-download {
    margin-top: 32px;
}

.z03c25download-layout {
    border-radius: 22px;
    padding: 20px 20px 22px;
    background: radial-gradient(circle at top right, #252525, #050505);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.9);
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.2fr);
    gap: 22px;
    align-items: flex-start;
}

.z03c25download-column-main {
    font-size: 14px;
}

.z03c25download-buttons-main {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
    margin-bottom: 10px;
}

.z03c25download-list {
    margin: 8px 0 0;
    padding-left: 20px;
    font-size: 13px;
    color: #d4d4d4;
}

.z03c25download-item {
    margin-bottom: 6px;
}

.z03c25download-column-side {
    display: flex;
    justify-content: center;
}

.z03c25download-card {
    width: 100%;
    max-width: 320px;
    border-radius: 18px;
    padding: 14px 14px 16px;
    background: linear-gradient(150deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.z03c25download-card-title {
    font-size: 15px;
    margin: 0 0 8px;
}

.z03c25download-card-list {
    margin: 0;
    padding-left: 18px;
    font-size: 13px;
    color: #e0e0e0;
}

/* 平台介绍框架 */
.z03c25section-intro {
    margin-top: 32px;
}

.z03c25intro-frame {
    border-radius: 22px;
    padding: 20px 20px 22px;
    background: radial-gradient(circle at top left, #232323, #050505);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.9);
    display: grid;
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.4fr);
    gap: 22px;
    align-items: flex-start;
}

.z03c25intro-main {
    font-size: 14px;
}

.z03c25intro-side {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}

.z03c25intro-card {
    border-radius: 16px;
    padding: 10px 12px 12px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(0, 0, 0, 0.4));
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.z03c25intro-card-label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
}

.z03c25intro-card-text {
    font-size: 13px;
    color: #dedede;
}

/* 下载步骤区域 */
.z03c25section-steps {
    margin-top: 32px;
}

.z03c25steps-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.z03c25steps-column {
    padding: 16px 16px 18px;
    border-radius: 16px;
    background: radial-gradient(circle at top left, #1e1e1e, #070707);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.7);
}

.z03c25steps-title {
    font-size: 16px;
    margin: 0 0 10px;
}

.z03c25steps-list {
    margin: 0;
    padding-left: 20px;
    font-size: 14px;
    color: #cfcfcf;
}

.z03c25steps-item {
    margin-bottom: 6px;
}

/* FAQ 区域 */
.z03c25section-faq {
    margin-top: 36px;
}

.z03c25faq-frame {
    border-radius: 20px;
    padding: 18px 18px 20px;
    background: radial-gradient(circle at top right, #262626, #050505);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.9);
}

.z03c25faq-header {
    margin-bottom: 10px;
}

.z03c25faq-text {
    font-size: 13px;
    color: #c8c8c8;
    margin: 4px 0 0;
}

.z03c25faq-list {
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
}

.z03c25faq-item {
    border-radius: 14px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.z03c25faq-item:last-child {
    margin-bottom: 0;
}

.z03c25faq-question {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    padding: 10px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.z03c25faq-question::after {
    content: "+";
    font-size: 16px;
    margin-left: 8px;
}

.z03c25faq-item[open] .z03c25faq-question::after {
    content: "−";
}

.z03c25faq-answer {
    font-size: 13px;
    color: #c0c0c0;
    padding: 0 12px 10px;
}

.z03c25faq-item summary {
    list-style: none;
}

.z03c25faq-item summary::-webkit-details-marker {
    display: none;
}

/* 风险提示区域 */
.z03c25section-risk {
    margin-top: 32px;
    padding: 20px 18px 18px;
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(255, 204, 0, 0.06), rgba(255, 0, 0, 0.06));
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* 响应式适配 */
@media (max-width: 960px) {
    .z03c25hero {
        grid-template-columns: minmax(0, 1fr);
        gap: 26px;
    }

    .z03c25hero-text {
        order: -1;
    }

    .z03c25hero-side {
        justify-content: center;
    }

    .z03c25mockup-box {
        width: 230px;
        height: 460px;
    }

    .z03c25download-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .z03c25intro-frame {
        grid-template-columns: minmax(0, 1fr);
    }

    .z03c25features-frame {
        grid-template-columns: minmax(0, 1fr);
    }

    .z03c25features-grid,
    .z03c25steps-grid,
    .z03c25faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .z03c25header-inner {
        padding-inline: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .z03c25nav {
        width: 100%;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .z03c25nav-title {
        width: 100%;
        text-align: center;
    }

    .z03c25btn-top-download {
        display: none;
    }

    .z03c25nav-menu {
        display: none;
    }

    .z03c25nav-toggle-btn {
        display: inline-flex;
    }

    .z03c25nav-toggle:checked ~ .z03c25nav-mobile {
        display: block;
    }

    .z03c25main {
        padding-inline: 16px;
    }

    .z03c25h1 {
        font-size: 26px;
    }

    .z03c25h2 {
        font-size: 16px;
    }

    /* 移动端下载按钮样式优化：上下堆叠并居中，不贴边框 */
    .z03c25download-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .z03c25download-buttons .z03c25btn {
        width: 82%;
        max-width: 260px;
    }

    /* 下载中心板块按钮移动端同样样式 */
    .z03c25download-buttons-main {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .z03c25download-buttons-main .z03c25btn {
        width: 82%;
        max-width: 260px;
    }

    .z03c25features-grid,
    .z03c25steps-grid,
    .z03c25faq-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .z03c25cta-inner {
        align-items: flex-start;
    }
}