:root {
    --ink: #14233b;
    --muted: #667085;
    --line: #e6eaf0;
    --soft: #f5f7fb;
    --surface: #ffffff;
    --accent: #1769ff;
    --accent-dark: #0d4fc4;
    --shadow: 0 20px 60px rgba(20, 35, 59, 0.1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--surface);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body,
button,
a {
    -webkit-tap-highlight-color: transparent;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
a {
    touch-action: manipulation;
}

button {
    font: inherit;
}

[hidden] {
    display: none !important;
}

:focus-visible {
    outline: 3px solid rgba(23, 105, 255, 0.38);
    outline-offset: 4px;
}

.shell {
    width: min(1120px, calc(100% - 40px));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 200;
    padding: 10px 16px;
    color: #fff;
    background: var(--ink);
    border-radius: 8px;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.wechat-hint {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    padding: 12px 52px 12px 20px;
    color: #fff;
    background: #14233b;
    text-align: center;
    font-size: 14px;
    box-shadow: 0 8px 24px rgba(20, 35, 59, 0.2);
}

.wechat-hint button {
    position: absolute;
    top: 50%;
    right: 14px;
    width: 32px;
    height: 32px;
    padding: 0;
    color: #fff;
    background: transparent;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    transform: translateY(-50%);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(230, 234, 240, 0.8);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    gap: 11px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-mark {
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, #2d7bff, #0c55dc);
    border-radius: 11px;
    box-shadow: 0 8px 20px rgba(23, 105, 255, 0.24);
    font-size: 18px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    color: #475467;
    font-size: 14px;
}

.site-nav a {
    transition: color 0.2s ease;
}

.site-nav a:hover {
    color: var(--accent);
}

.site-nav .nav-cta {
    padding: 9px 18px;
    color: #fff;
    background: var(--ink);
    border-radius: 999px;
}

.site-nav .nav-cta:hover {
    color: #fff;
    background: var(--accent);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 78px 0 86px;
    background:
        radial-gradient(circle at 82% 18%, rgba(23, 105, 255, 0.12), transparent 34%),
        radial-gradient(circle at 6% 82%, rgba(70, 201, 255, 0.09), transparent 28%),
        linear-gradient(180deg, #fbfdff 0%, #fff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 64px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 18px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.eyebrow::before {
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    content: "";
}

.hero h1 {
    max-width: 650px;
    margin: 0;
    font-size: clamp(40px, 5vw, 62px);
    line-height: 1.16;
    letter-spacing: -0.045em;
}

.hero-copy > p:not(.eyebrow):not(.platform-note) {
    max-width: 590px;
    margin: 24px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.9;
}

.hero-actions,
.card-actions,
.product-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.hero-actions {
    margin-top: 34px;
}

.featured-download {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    max-width: 540px;
    margin: 24px auto 0;
    padding: 16px;
    gap: 14px;
    text-align: left;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid #dfe8f7;
    border-radius: 18px;
    box-shadow: 0 14px 34px rgba(20, 35, 59, 0.08);
}

.featured-logo {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    box-shadow: 0 6px 16px rgba(20, 35, 59, 0.1);
}

.featured-copy {
    min-width: 0;
}

.featured-copy span,
.featured-copy small {
    display: block;
}

.featured-copy span {
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
}

.featured-copy a {
    display: inline-block;
    color: var(--ink);
}

.featured-copy strong {
    font-size: 19px;
}

.featured-copy small {
    color: var(--muted);
    font-size: 12px;
}

.featured-qr {
    display: flex;
    align-items: center;
    gap: 10px;
}

.featured-qr .qr-panels img {
    width: 128px;
    height: 128px;
}

.featured-qr .qr-tabs {
    flex-direction: column;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 11px 24px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 600;
    line-height: 1.4;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 10px 24px rgba(23, 105, 255, 0.22);
}

.button-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 14px 28px rgba(23, 105, 255, 0.28);
}

.button-secondary {
    color: var(--ink);
    background: #fff;
    border-color: var(--line);
}

.button-secondary:hover {
    border-color: #c5cfdd;
    box-shadow: 0 8px 20px rgba(20, 35, 59, 0.07);
}

.product-detail-link {
    position: relative;
}

.product-detail-link::after {
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    z-index: 60;
    width: 260px;
    max-width: calc(100vw - 32px);
    padding: 12px 14px;
    color: #fff;
    background: #14233b;
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(20, 35, 59, 0.2);
    content: attr(data-tooltip);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.7;
    text-align: left;
    white-space: normal;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.product-detail-link:hover::after,
.product-detail-link:focus-visible::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.platform-note {
    margin: 20px 0 0;
    color: #667085;
    font-size: 13px;
}

.hero-stage {
    position: relative;
    display: grid;
    min-height: 530px;
    place-items: center;
}

.hero-stage::before {
    position: absolute;
    width: 410px;
    height: 410px;
    background: linear-gradient(145deg, #e9f1ff, #f5f9ff);
    border: 1px solid #e3ecfb;
    border-radius: 50%;
    content: "";
}

.hero-phone {
    position: relative;
    z-index: 1;
    width: 254px;
    transform: rotate(2deg);
}

.app-screen {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 28px 32px rgba(20, 35, 59, 0.2));
}

.floating-note {
    position: absolute;
    z-index: 2;
    min-width: 142px;
    padding: 14px 17px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 16px 36px rgba(20, 35, 59, 0.12);
    backdrop-filter: blur(12px);
}

.floating-note strong,
.floating-note span {
    display: block;
}

.floating-note strong {
    font-size: 14px;
}

.floating-note span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
}

.note-one {
    top: 100px;
    left: -8px;
}

.note-two {
    right: -4px;
    bottom: 104px;
}

.products {
    padding: 92px 0;
    background: var(--soft);
}

.product-showcase {
    margin-top: 30px;
    scroll-margin-top: 92px;
}

.showcase-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
    align-items: center;
    padding: 42px;
    gap: 54px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: 0 14px 40px rgba(20, 35, 59, 0.06);
}

.showcase-copy .product-logo {
    width: 70px;
    height: 70px;
    border-radius: 18px;
}

.showcase-copy .product-heading h3 {
    font-size: 32px;
}

.showcase-copy .product-desc {
    min-height: 0;
    margin-top: 24px;
    font-size: 16px;
    line-height: 1.9;
}

.showcase-copy .feature-tags {
    margin-bottom: 26px;
}

.showcase-copy .card-actions {
    margin-top: 0;
}

.showcase-copy .qr-box {
    max-width: 340px;
}

.showcase-visual {
    display: flex;
    min-height: 410px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.9), transparent 45%),
        linear-gradient(145deg, #e7f0ff, #f8fbff);
    border-radius: 22px;
}

.showcase-visual img {
    width: auto;
    height: 390px;
    filter: drop-shadow(0 20px 24px rgba(20, 35, 59, 0.17));
}

.showcase-reverse .showcase-visual {
    order: -1;
}

.section-heading {
    max-width: 680px;
    margin-bottom: 38px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1.3;
    letter-spacing: -0.03em;
}

.section-heading > p:not(.eyebrow) {
    margin: 14px 0 0;
    color: var(--muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
    gap: 22px;
}

.product-card {
    --card-accent: #1769ff;
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: 0 8px 30px rgba(20, 35, 59, 0.04);
    scroll-margin-top: 92px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.product-secret {
    --card-accent: #1769ff;
}

.product-position {
    --card-accent: #0667d1;
}

.product-private {
    --card-accent: #1769ff;
}

.card-visual {
    display: flex;
    height: 300px;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    padding-top: 28px;
    background:
        radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.85), transparent 42%),
        linear-gradient(145deg, #eaf2ff, #f7faff);
}

.card-visual img {
    width: auto;
    height: 274px;
    border-radius: 22px 22px 0 0;
    filter: drop-shadow(0 16px 18px rgba(20, 35, 59, 0.15));
}

.card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 26px;
}

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

.product-logo {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border-radius: 14px;
    box-shadow: 0 6px 16px rgba(20, 35, 59, 0.1);
}

.product-heading h3 {
    margin: 0;
    font-size: 23px;
    line-height: 1.35;
}

.product-heading p {
    margin: 3px 0 0;
    color: var(--card-accent);
    font-size: 12px;
    font-weight: 600;
}

.product-desc {
    min-height: 54px;
    margin: 20px 0 16px;
    color: var(--muted);
    font-size: 14px;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0 0 24px;
    padding: 0;
    list-style: none;
}

.feature-tags li {
    padding: 4px 10px;
    color: #526176;
    background: var(--soft);
    border-radius: 7px;
    font-size: 12px;
}

.card-actions {
    margin-top: auto;
}

.card-actions .button {
    min-height: 44px;
    flex: 1;
    padding: 10px 14px;
    font-size: 14px;
}

.product-card .button-primary {
    background: var(--card-accent);
}

.text-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 8px 4px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
}

.text-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.qr-box {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.qr-panels {
    flex-shrink: 0;
}

.qr-panels img,
.hero-qr img {
    width: 128px;
    height: 128px;
    padding: 4px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 9px;
}

.qr-meta {
    min-width: 0;
    color: var(--muted);
    font-size: 12px;
}

.qr-meta p {
    margin: 6px 0 0;
}

.qr-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.qr-tab {
    min-height: 32px;
    padding: 4px 9px;
    color: #526176;
    background: var(--soft);
    border: 1px solid transparent;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
}

.qr-tab[aria-selected="true"] {
    color: var(--card-accent, var(--accent));
    background: #edf4ff;
    border-color: #d5e4ff;
}

.support-section {
    padding: 86px 0;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.support-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.support-link:hover {
    border-color: #b9ccef;
    transform: translateY(-2px);
}

.support-link strong,
.support-link span {
    display: block;
}

.support-link strong {
    font-size: 16px;
}

.support-link span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 13px;
}

.support-link::after {
    color: var(--accent);
    content: "→";
    font-size: 22px;
}

.site-footer {
    padding: 34px 0;
    color: #98a2b3;
    background: #101c30;
    font-size: 12px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-brand {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
}

.footer-info {
    margin: 5px 0 0;
}

.footer-info a {
    color: #c5ccd7;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 16px;
    color: #c5ccd7;
}

/* 产品详情页 */
.product-page {
    --accent: #1769ff;
    --accent-dark: #0d4fc4;
    background: #fff;
}

.product-page.theme-secret {
    --accent: #1769ff;
    --accent-dark: #0d4fc4;
}

.product-page.theme-position {
    --accent: #0667d1;
    --accent-dark: #0564c2;
}

.product-page.theme-private {
    --accent: #315efb;
    --accent-dark: #2446c4;
}

.product-page.theme-evidence {
    --accent: #1769ff;
    --accent-dark: #0d4fc4;
}

.product-hero {
    position: relative;
    overflow: hidden;
    padding: 64px 0 58px;
    background:
        radial-gradient(circle at 78% 28%, rgba(23, 105, 255, 0.13), transparent 36%),
        linear-gradient(180deg, #f7faff, #fff);
}

.product-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
    align-items: center;
    gap: 64px;
}

.product-copy {
    padding: 26px 0;
}

.product-logo-large {
    width: 78px;
    height: 78px;
    margin-bottom: 24px;
    border-radius: 20px;
    box-shadow: 0 12px 28px rgba(20, 35, 59, 0.13);
}

.product-copy h1 {
    margin: 0;
    font-size: clamp(40px, 5vw, 56px);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.product-subtitle {
    margin: 14px 0 0;
    color: var(--accent);
    font-size: 20px;
    font-weight: 600;
}

.product-lead {
    max-width: 610px;
    margin: 20px 0 0;
    color: var(--muted);
    line-height: 1.9;
}

.product-actions {
    margin-top: 30px;
}

.hero-qr {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

.hero-qr .qr-panels {
    display: flex;
    gap: 10px;
}

.hero-qr img {
    width: 128px;
    height: 128px;
}

.hero-qr p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.product-visual {
    position: relative;
    display: flex;
    min-height: 570px;
    align-items: center;
    justify-content: center;
}

.product-visual::before {
    position: absolute;
    width: 380px;
    height: 380px;
    background: #eaf2ff;
    border-radius: 50%;
    content: "";
}

.product-visual img {
    position: relative;
    width: 275px;
    height: auto;
    filter: drop-shadow(0 28px 34px rgba(20, 35, 59, 0.2));
}

.product-details {
    padding: 70px 0 84px;
    background: var(--soft);
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
    gap: 28px;
}

.app-desc {
    padding: 36px 40px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
}

.app-desc h2 {
    margin: 0 0 24px;
    font-size: 30px;
    line-height: 1.35;
}

.app-desc h3 {
    margin: 32px 0 14px;
    font-size: 20px;
}

.app-desc p,
.app-desc li {
    color: #526176;
    line-height: 1.95;
}

.app-desc p {
    margin: 12px 0;
}

.app-desc strong {
    color: var(--ink);
}

.feature-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    position: relative;
    padding: 14px 0 14px 22px;
    border-bottom: 1px solid #edf0f4;
}

.feature-list li:last-child {
    border-bottom: 0;
}

.feature-list li::before {
    position: absolute;
    top: 27px;
    left: 2px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    content: "";
}

.detail-aside {
    position: sticky;
    top: 100px;
    padding: 26px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
}

.detail-aside h2 {
    margin: 0 0 14px;
    font-size: 18px;
}

.detail-aside a {
    display: block;
    padding: 11px 0;
    color: #526176;
    border-bottom: 1px solid #edf0f4;
    font-size: 14px;
}

.detail-aside a:hover {
    color: var(--accent);
}

.detail-aside a:last-child {
    border-bottom: 0;
}

.legal-notice {
    margin-top: 28px;
    padding: 18px 20px;
    color: #526176;
    background: #f2f6fc;
    border-radius: 12px;
    font-size: 13px;
}

/* 帮助页 */
.help-main {
    min-height: 70vh;
    padding: 56px 0 80px;
    background: var(--soft);
}

.help-header {
    max-width: 820px;
    margin: 0 auto 28px;
}

.help-header h1 {
    margin: 0;
    font-size: clamp(30px, 5vw, 42px);
    line-height: 1.3;
}

.help-header p {
    margin: 12px 0 0;
    color: var(--muted);
}

.help-content {
    max-width: 820px;
    margin: 0 auto;
}

.help-image {
    margin: 0 0 20px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
}

.help-image img {
    width: 100%;
    height: auto;
}

.video-list {
    display: grid;
    gap: 14px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.video-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.video-list a:hover {
    border-color: #b9ccef;
}

.video-list a::after {
    flex-shrink: 0;
    color: var(--accent);
    content: "观看视频 →";
    font-size: 13px;
}

@media (max-width: 1000px) {
    .hero-grid {
        gap: 30px;
    }

    .featured-download {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .featured-qr {
        grid-column: 1 / -1;
        justify-content: center;
        padding-top: 12px;
        border-top: 1px solid var(--line);
    }

    .featured-qr .qr-tabs {
        flex-direction: row;
    }

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

    .product-hero-grid {
        gap: 32px;
    }

    .showcase-card {
        grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
        padding: 30px;
        gap: 28px;
    }

    .showcase-visual {
        min-height: 350px;
    }

    .showcase-visual img {
        height: 330px;
    }

    .detail-layout {
        grid-template-columns: minmax(0, 1fr) 230px;
    }
}

@media (max-width: 760px) {
    .shell {
        width: min(100% - 32px, 620px);
    }

    .header-inner {
        flex-wrap: wrap;
        min-height: 64px;
        padding-block: 10px;
        row-gap: 8px;
    }

    .site-nav {
        width: 100%;
        gap: 8px;
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: none;
        font-size: 13px;
    }

    .site-nav::-webkit-scrollbar {
        display: none;
    }

    .site-nav a {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .site-nav a:not(.nav-cta) {
        display: inline-flex;
    }

    .site-nav .nav-cta {
        margin-left: auto;
    }

    .hero {
        padding: 52px 0 56px;
    }

    .hero-grid,
    .product-hero-grid {
        grid-template-columns: 1fr;
    }

    .showcase-card {
        grid-template-columns: 1fr;
        padding: 26px;
        gap: 28px;
    }

    .showcase-reverse .showcase-visual {
        order: 0;
    }

    .hero-copy,
    .product-copy {
        text-align: center;
    }

    .hero h1,
    .hero-copy > p:not(.eyebrow):not(.platform-note),
    .product-lead {
        margin-inline: auto;
    }

    .hero-actions,
    .product-actions,
    .hero-qr {
        justify-content: center;
    }

    .hero-stage {
        min-height: 500px;
    }

    .note-one {
        left: 4%;
    }

    .note-two {
        right: 3%;
    }

    .products,
    .support-section {
        padding: 64px 0;
    }

    .support-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-links {
        justify-content: flex-start;
    }

    .product-hero {
        padding: 42px 0;
    }

    .product-logo-large {
        margin-inline: auto;
    }

    .product-visual {
        min-height: 510px;
    }

    .product-visual img {
        width: 245px;
    }

    .product-details {
        padding: 48px 0 60px;
    }

    .detail-layout {
        grid-template-columns: 1fr;
    }

    .detail-aside {
        position: static;
    }
}

@media (max-width: 640px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .card-visual {
        height: 330px;
    }

    .card-visual img {
        height: 302px;
    }

    .product-desc {
        min-height: 0;
    }
}

@media (max-width: 480px) {
    .brand {
        font-size: 17px;
    }

    .site-nav .nav-cta {
        padding: 8px 13px;
        font-size: 12px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero-copy > p:not(.eyebrow):not(.platform-note) {
        font-size: 16px;
    }

    .hero-actions .button,
    .product-actions .button {
        width: 100%;
    }

    .hero-stage {
        min-height: 440px;
    }

    .hero-stage::before {
        width: 310px;
        height: 310px;
    }

    .hero-phone {
        width: 210px;
    }

    .floating-note {
        min-width: 116px;
        padding: 10px 12px;
    }

    .note-one {
        top: 74px;
        left: 0;
    }

    .note-two {
        right: 0;
        bottom: 72px;
    }

    .card-body,
    .app-desc {
        padding: 24px 20px;
    }

    .hero-qr {
        flex-direction: column;
        align-items: center;
    }

    .hero-qr .qr-panels {
        justify-content: center;
    }

    .hero-qr .qr-meta {
        text-align: center;
    }

    .featured-qr {
        flex-direction: column;
        align-items: center;
    }

    .featured-qr .qr-tabs {
        justify-content: center;
    }

    .qr-box {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-subtitle {
        font-size: 18px;
    }

    .product-visual {
        min-height: 450px;
    }

    .product-visual::before {
        width: 300px;
        height: 300px;
    }

    .product-visual img {
        width: 215px;
    }

    .video-list a {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
    }
}