/* 欧易OKX下载落地页 - 百变模板样式 (前缀: z68455) */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #f0f2f5;
    overflow-x: hidden;
}

/* ========== 整体包裹 ========== */
.z68455wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 100vw;
    overflow-x: hidden;
}

/* ========== 导航栏 ========== */
.z68455header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.z68455nav {
    padding: 0 20px;
}

.z68455nav_inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.z68455nav_brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.z68455logo {
    margin: 0;
    font-size: 0;
    line-height: 0;
}

.z68455logo_link {
    display: block;
    line-height: 0;
}

.z68455logo_img {
    display: block;
    height: 40px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.z68455site_title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.z68455nav_list {
    display: flex;
    list-style: none;
    gap: 28px;
}

.z68455nav_link {
    color: #444;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.z68455nav_link:hover {
    color: #0066ff;
}

.z68455nav_toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    color: #333;
}

/* ========== 主横幅 ========== */
.z68455banner {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    margin-top: 64px;
    overflow: hidden;
}

.z68455banner_bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 35%, #0f3460 70%, #0066ff 100%);
    z-index: 0;
}

.z68455banner_overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(0, 102, 255, 0.25) 0%, transparent 50%);
    z-index: 1;
}

.z68455banner_content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.z68455banner_pic {
    flex-shrink: 0;
    width: 42%;
    max-width: 420px;
}

.z68455banner_img {
    display: block;
    width: 100%;
    max-height: 340px;
    object-fit: contain;
}

.z68455banner_deco {
    position: absolute;
    z-index: 1;
    pointer-events: none;
}

.z68455deco_circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    top: -100px;
    right: -100px;
}

.z68455deco_grid {
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.8;
}

.z68455banner_inner {
    flex: 1;
    min-width: 0;
    text-align: center;
    max-width: 560px;
}

.z68455banner_title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.z68455banner_subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
    font-weight: 500;
}

.z68455banner_desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 20px;
    line-height: 1.7;
}

.z68455banner_points {
    list-style: none;
    margin-bottom: 28px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 32px;
}

.z68455banner_point {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding-left: 0;
}

.z68455banner_point::before {
    content: "✓";
    margin-right: 8px;
    color: #4ade80;
    font-weight: 700;
}

.z68455banner_btns {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.z68455btn_banner {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

/* 立即注册：白底蓝字，主 CTA */
.z68455btn_banner_register {
    background: #fff;
    color: #0066ff;
    border-color: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.z68455btn_banner_register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
    background: #f0f6ff;
    color: #0052cc;
}

/* Android 下载：绿色系 */
.z68455btn_banner_android {
    background: #34a853;
    color: #fff;
    border-color: #2d9249;
}

.z68455btn_banner_android:hover {
    background: #2d9249;
    border-color: #24803d;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(52, 168, 83, 0.4);
}

/* iOS 下载：深灰/蓝紫系 */
.z68455btn_banner_ios {
    background: #5e5ce6;
    color: #fff;
    border-color: #504ee0;
}

.z68455btn_banner_ios:hover {
    background: #504ee0;
    border-color: #4543c9;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(94, 92, 230, 0.4);
}

.z68455btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.z68455btn_primary {
    background: #fff;
    color: #0066ff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.z68455btn_primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

/* ========== 通用区块 ========== */
.z68455section {
    padding: 72px 24px;
}

.z68455container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.z68455section_title {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1a1a2e;
    text-align: center;
    margin-bottom: 12px;
}

.z68455section_desc {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    font-size: 1.05rem;
}

/* ========== 下载板块（框架布局）========== */
.z68455section_download {
    background: #f5f7fa;
}

/* 框架外层：容器 + 边框/背景 */
.z68455download_frame {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid #e8ecf4;
    overflow: hidden;
}

/* 框架头部 */
.z68455download_header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid #e8ecf4;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.z68455download_header_inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.z68455download_frame_title {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.z68455download_frame_desc {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

/* 框架主体 */
.z68455download_body {
    padding: 32px;
}

/* 行：12 栅格框架 */
.z68455download_row {
    display: flex;
    flex-wrap: wrap;
    margin: -14px;
}

/* 列：每列占 4/12（三列等分）*/
.z68455download_col {
    padding: 14px;
}

.z68455download_col_4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

/* 卡片在列内 */
.z68455download_card {
    height: 100%;
    background: #f8f9fc;
    border-radius: 12px;
    padding: 36px 28px;
    text-align: center;
    border: 1px solid #e8ecf4;
    transition: transform 0.2s, box-shadow 0.2s;
}

.z68455download_card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.12);
    border-color: rgba(0, 102, 255, 0.2);
}

.z68455download_icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.z68455download_title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.z68455download_text {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.z68455btn_card {
    background: linear-gradient(135deg, #0066ff, #0052cc);
    color: #fff;
}

.z68455btn_card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

/* ========== 下载步骤板块（框架布局）========== */
.z68455section_steps {
    background: #f5f7fa;
}

.z68455steps_frame {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid #e8ecf4;
    overflow: hidden;
}

.z68455steps_header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid #e8ecf4;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.z68455steps_header_inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.z68455steps_frame_title {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.z68455steps_frame_desc {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

.z68455steps_body {
    padding: 32px;
}

.z68455steps_row {
    display: flex;
    flex-wrap: wrap;
    margin: -14px;
}

.z68455steps_col {
    padding: 14px;
}

.z68455steps_col_4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.z68455step_item {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 24px;
    background: #f8f9fc;
    border-radius: 12px;
    border: 1px solid #e8ecf4;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.z68455step_item:hover {
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.08);
    border-color: rgba(0, 102, 255, 0.2);
}

.z68455step_num {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #0066ff, #0052cc);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.35rem;
    margin-bottom: 20px;
}

.z68455step_content {
    flex: 1;
}

.z68455step_title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.z68455step_text {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.75;
}

/* ========== 平台介绍板块（框架布局）========== */
.z68455section_platform {
    background: #f5f7fa;
}

.z68455platform_frame {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid #e8ecf4;
    overflow: hidden;
}

.z68455platform_header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid #e8ecf4;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.z68455platform_header_inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.z68455platform_frame_title {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.z68455platform_frame_desc {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

.z68455platform_body {
    padding: 32px;
}

.z68455platform_intro {
    max-width: 800px;
    margin: 0 auto 32px;
    padding: 24px 20px;
    background: #f8f9fc;
    border-radius: 10px;
    border: 1px solid #e8ecf4;
}

.z68455platform_para {
    color: #444;
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 14px;
}

.z68455platform_para:last-child {
    margin-bottom: 0;
}

.z68455platform_row {
    display: flex;
    flex-wrap: wrap;
    margin: -14px;
}

.z68455platform_col {
    padding: 14px;
}

.z68455platform_col_4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.z68455platform_card {
    height: 100%;
    background: #f8f9fc;
    border-radius: 12px;
    padding: 28px 24px;
    text-align: center;
    border: 1px solid #e8ecf4;
    transition: transform 0.2s, box-shadow 0.2s;
}

.z68455platform_card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.15);
}

.z68455platform_icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 14px;
}

.z68455platform_card_title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.z68455platform_card_text {
    color: #666;
    font-size: 0.92rem;
    line-height: 1.65;
}

/* ========== 为什么选择欧易交易所（框架布局）========== */
.z68455section_features {
    position: relative;
    background: #f5f7fa;
}

.z68455section_deco {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(180deg, transparent, rgba(0, 102, 255, 0.04));
    pointer-events: none;
}

.z68455features_frame {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid #e8ecf4;
    overflow: hidden;
}

.z68455features_header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid #e8ecf4;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.z68455features_header_inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.z68455features_frame_title {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.z68455features_frame_desc {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

.z68455features_body {
    padding: 32px;
}

.z68455features_row {
    display: flex;
    flex-wrap: wrap;
    margin: -14px;
}

.z68455features_col {
    padding: 14px;
}

.z68455features_col_4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.z68455feature_card {
    height: 100%;
    background: #f8f9fc;
    border-radius: 14px;
    padding: 36px 28px;
    text-align: center;
    border: 1px solid #e8ecf4;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s, box-shadow 0.2s;
}

.z68455feature_card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.15);
}

.z68455feature_icon_wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #e8f0ff, #d0e0ff);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z68455feature_icon {
    font-size: 2rem;
}

.z68455feature_title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.z68455feature_text {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== 关于板块 ========== */
.z68455section_about {
    background: #1a1a2e;
    color: #fff;
}

.z68455about_box {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 32px;
}

.z68455about_title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.z68455about_text {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    line-height: 1.8;
    font-size: 1rem;
}

.z68455section_about .z68455btn_primary {
    background: #0066ff;
    color: #fff;
}

.z68455section_about .z68455btn_primary:hover {
    background: #0052cc;
}

/* ========== 常见问题板块（框架布局 + 折叠）========== */
.z68455section_faq {
    background: #f5f7fa;
}

.z68455faq_frame {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid #e8ecf4;
    overflow: hidden;
}

.z68455faq_header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid #e8ecf4;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.z68455faq_header_inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.z68455faq_frame_title {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.z68455faq_frame_desc {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

.z68455faq_body {
    padding: 32px;
}

.z68455faq_list {
    max-width: 780px;
    margin: 0 auto;
}

.z68455faq_item {
    margin-bottom: 12px;
    background: #f8f9fc;
    border-radius: 10px;
    border: 1px solid #e8ecf4;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.z68455faq_item:last-child {
    margin-bottom: 0;
}

.z68455faq_item:hover {
    border-color: rgba(0, 102, 255, 0.25);
}

.z68455faq_item.z68455faq_open {
    border-left: 4px solid #0066ff;
    box-shadow: 0 2px 12px rgba(0, 102, 255, 0.08);
}

.z68455faq_trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    color: inherit;
    transition: background 0.2s;
}

.z68455faq_trigger:hover {
    background: rgba(0, 102, 255, 0.04);
}

.z68455faq_q {
    font-size: 1.08rem;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.5;
    flex: 1;
}

.z68455faq_icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: 2px solid #0066ff;
    border-top: none;
    border-left: none;
    transform: rotate(-45deg);
    margin-right: 4px;
    transition: transform 0.25s;
}

.z68455faq_item.z68455faq_open .z68455faq_icon {
    transform: rotate(135deg);
    margin-top: -4px;
}

.z68455faq_content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.z68455faq_item.z68455faq_open .z68455faq_content {
    max-height: 400px;
}

.z68455faq_content .z68455faq_a {
    margin: 0;
    padding: 0 24px 20px 24px;
    color: #555;
    font-size: 0.98rem;
    line-height: 1.75;
}

/* ========== 页脚 ========== */
.z68455footer {
    background: #0f0f1a;
    color: rgba(255, 255, 255, 0.7);
    padding: 32px 24px;
}

.z68455footer_inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.z68455footer_title {
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
    font-size: 1rem;
}

.z68455footer_desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    line-height: 1.6;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.z68455footer_copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
}

.z68455footer_links {
    list-style: none;
    margin: 16px 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
}

.z68455footer_links li {
    margin: 0;
}

.z68455footer_links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
}

.z68455footer_links a:hover {
    color: #fff;
}

.z68455footer_powered {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 16px;
    margin-bottom: 0;
}

.z68455footer_powered a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
}

.z68455footer_powered a:hover {
    color: #fff;
}

/* ========== 响应式：平板 ========== */
@media (max-width: 992px) {
    .z68455download_col_4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .z68455download_body {
        padding: 24px 20px;
    }
    .z68455download_header {
        padding: 28px 20px 20px;
    }
    .z68455steps_col_4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .z68455steps_body {
        padding: 24px 20px;
    }
    .z68455steps_header {
        padding: 28px 20px 20px;
    }
    .z68455platform_col_4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .z68455platform_body {
        padding: 24px 20px;
    }
    .z68455platform_header {
        padding: 28px 20px 20px;
    }
    .z68455features_col_4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .z68455features_body {
        padding: 24px 20px;
    }
    .z68455features_header {
        padding: 28px 20px 20px;
    }

    .z68455banner_content {
        flex-direction: column;
        gap: 32px;
    }

    .z68455banner_pic {
        width: 100%;
        max-width: 280px;
    }

    .z68455banner_img {
        max-height: 220px;
    }

    .z68455banner_title {
        font-size: 2rem;
    }

    .z68455banner_subtitle {
        font-size: 1.1rem;
    }
    .z68455faq_body {
        padding: 24px 20px;
    }
    .z68455faq_header {
        padding: 28px 20px 20px;
    }
}

/* ========== 响应式：移动端 ========== */
@media (max-width: 768px) {
    .z68455nav_list {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        transform: translateY(-120%);
        transition: transform 0.3s;
        z-index: 999;
    }

    .z68455nav_list.z68455nav_list_open {
        transform: translateY(0);
    }

    .z68455nav_link {
        display: flex;
        align-items: center;
        padding: 12px 0;
        min-height: 44px;
    }

    .z68455nav_toggle {
        display: block;
    }

    .z68455logo_img {
        height: 36px;
        max-width: 140px;
    }

    .z68455site_title {
        font-size: 1rem;
    }

    .z68455banner_content {
        padding: 0 16px;
    }

    .z68455banner {
        min-height: 360px;
        padding: 100px 20px 60px;
    }

    .z68455banner_title {
        font-size: 1.75rem;
    }

    .z68455banner_subtitle {
        font-size: 1rem;
    }

    .z68455banner_desc {
        font-size: 0.95rem;
    }

    .z68455banner_btns {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .z68455btn_banner {
        min-width: 200px;
        text-align: center;
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .z68455section {
        padding: 48px 20px;
    }

    .z68455section_title {
        font-size: 1.5rem;
    }

    .z68455section_desc {
        margin-bottom: 28px;
        font-size: 0.95rem;
    }

    .z68455download_body {
        padding: 20px 16px;
    }
    .z68455download_header {
        padding: 24px 16px 16px;
    }
    .z68455download_frame_title {
        font-size: 1.5rem;
    }
    .z68455download_row {
        margin: -10px;
    }
    .z68455download_col {
        padding: 10px;
    }
    .z68455steps_frame_title {
        font-size: 1.5rem;
    }
    .z68455steps_body {
        padding: 20px 16px;
    }
    .z68455steps_header {
        padding: 24px 16px 16px;
    }
    .z68455steps_row {
        margin: -10px;
    }
    .z68455steps_col {
        padding: 10px;
    }
    .z68455step_item {
        padding: 24px 20px;
    }
    .z68455platform_frame_title {
        font-size: 1.5rem;
    }
    .z68455platform_body {
        padding: 20px 16px;
    }
    .z68455platform_header {
        padding: 24px 16px 16px;
    }
    .z68455platform_intro {
        padding: 20px 16px;
        margin-bottom: 24px;
    }
    .z68455platform_row {
        margin: -10px;
    }
    .z68455platform_col {
        padding: 10px;
    }
    .z68455features_col_4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .z68455features_frame_title {
        font-size: 1.5rem;
    }
    .z68455features_body {
        padding: 20px 16px;
    }
    .z68455features_header {
        padding: 24px 16px 16px;
    }
    .z68455features_row {
        margin: -10px;
    }
    .z68455features_col {
        padding: 10px;
    }
    .z68455download_card,
    .z68455feature_card {
        padding: 28px 20px;
    }

    .z68455deco_circle {
        width: 250px;
        height: 250px;
        top: -50px;
        right: -50px;
    }
    .z68455faq_frame_title {
        font-size: 1.5rem;
    }
    .z68455faq_body {
        padding: 20px 16px;
    }
    .z68455faq_header {
        padding: 24px 16px 16px;
    }
    .z68455faq_trigger {
        padding: 16px 20px;
        min-height: 44px;
    }
    .z68455faq_content .z68455faq_a {
        padding: 0 20px 16px 20px;
    }

    .z68455about_box {
        padding: 36px 20px;
    }

    .z68455about_title {
        font-size: 1.4rem;
    }

    .z68455footer {
        padding: 28px 20px;
    }

    .z68455footer_desc {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .z68455nav_inner {
        height: 56px;
    }

    .z68455nav_list {
        top: 56px;
    }

    .z68455nav_brand {
        gap: 10px;
        min-width: 0;
    }

    .z68455site_title {
        font-size: 0.9rem;
        white-space: normal;
        line-height: 1.3;
    }

    .z68455logo_img {
        height: 32px;
        max-width: 120px;
    }

    .z68455banner {
        margin-top: 56px;
        padding: 80px 16px 50px;
        min-height: 320px;
    }

    .z68455banner_title {
        font-size: 1.5rem;
    }

    .z68455banner_subtitle {
        font-size: 0.95rem;
    }

    .z68455banner_points {
        gap: 10px 20px;
        margin-bottom: 20px;
    }

    .z68455banner_point {
        font-size: 0.88rem;
    }

    .z68455section {
        padding: 36px 16px;
    }

    .z68455section_title,
    .z68455download_frame_title,
    .z68455steps_frame_title,
    .z68455platform_frame_title,
    .z68455features_frame_title,
    .z68455faq_frame_title {
        font-size: 1.35rem;
    }

    .z68455about_box {
        padding: 28px 16px;
    }

    .z68455about_title {
        font-size: 1.25rem;
    }

    .z68455about_text {
        font-size: 0.95rem;
    }

    .z68455footer {
        padding: 24px 16px;
    }

    .z68455footer_title {
        font-size: 0.95rem;
    }

    .z68455footer_desc,
    .z68455footer_copy {
        font-size: 0.8rem;
    }

    .z68455btn {
        padding: 12px 24px;
        font-size: 0.95rem;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .z68455nav_toggle {
        min-width: 44px;
        min-height: 44px;
        padding: 10px;
    }
}