:root {
    --mk-bg: #06080d;
    --mk-bg-soft: #0d111a;
    --mk-panel: rgba(255, 255, 255, 0.06);
    --mk-panel-strong: rgba(255, 255, 255, 0.1);
    --mk-line: rgba(255, 255, 255, 0.12);
    --mk-text: #f8fafc;
    --mk-muted: #9aa4b2;
    --mk-soft: #cbd5e1;
    --mk-blue: #6fb8ff;
    --mk-green: #58d68d;
    --mk-violet: #b49cff;
    --mk-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
    --mk-radius: 8px;
    --mk-max: 1180px;
}

html {
    scroll-behavior: smooth;
}

.marketing-shell {
    margin: 0;
    min-height: 100vh;
    color: var(--mk-text);
    background:
        radial-gradient(circle at 20% 0%, rgba(111, 184, 255, 0.18), transparent 30%),
        radial-gradient(circle at 82% 16%, rgba(88, 214, 141, 0.12), transparent 34%),
        var(--mk-bg);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

.marketing-shell a {
    color: inherit;
    text-decoration: none;
}

.marketing-nav {
    position: fixed;
    top: 18px;
    left: 50%;
    z-index: 50;
    width: min(calc(100% - 32px), var(--mk-max));
    height: 64px;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 18px;
    transform: translateX(-50%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--mk-radius);
    background: rgba(7, 10, 18, 0.68);
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.marketing-nav.is-scrolled {
    background: rgba(7, 10, 18, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
}

.marketing-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    white-space: nowrap;
}

.marketing-brand__mark {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    color: #051016;
    background: linear-gradient(135deg, #eff6ff 0%, #6fb8ff 52%, #58d68d 100%);
    font-size: 13px;
    font-weight: 800;
}

.marketing-nav__links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
}

.marketing-nav__links a {
    padding: 9px 12px;
    border-radius: 7px;
    color: rgba(248, 250, 252, 0.72);
    font-size: 14px;
    transition: color 0.2s ease, background 0.2s ease;
}

.marketing-nav__links a:hover,
.marketing-nav__links a.is-active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.marketing-nav-dropdown {
    position: relative;
}

.marketing-nav-dropdown::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    width: 160px;
    height: 12px;
    transform: translateX(-50%);
}

.marketing-nav-dropdown__trigger {
    height: 36px;
    border: 0;
    border-radius: 7px;
    padding: 0 12px;
    color: rgba(248, 250, 252, 0.72);
    background: transparent;
    font: inherit;
    font-size: 14px;
    cursor: pointer;
}

.marketing-nav-dropdown__trigger::after {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-left: 8px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
}

.marketing-nav-dropdown:hover .marketing-nav-dropdown__trigger,
.marketing-nav-dropdown:focus-within .marketing-nav-dropdown__trigger {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.marketing-nav-dropdown__menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    min-width: 150px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: rgba(7, 10, 18, 0.94);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 8px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.marketing-nav-dropdown:hover .marketing-nav-dropdown__menu,
.marketing-nav-dropdown:focus-within .marketing-nav-dropdown__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.marketing-nav-dropdown__menu a {
    display: block;
    padding: 10px 12px;
}

.marketing-nav__actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.marketing-button-reset {
    border: 0;
    font-family: inherit;
    cursor: pointer;
}

.marketing-user-pill {
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 8px 10px;
    border: 1px solid var(--mk-line);
    border-radius: 7px;
    color: rgba(248, 250, 252, 0.82);
    background: rgba(255, 255, 255, 0.05);
    font-size: 13px;
}

.marketing-nav__toggle {
    display: none;
    width: 38px;
    height: 38px;
    border: 1px solid var(--mk-line);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.06);
}

.marketing-nav__toggle span {
    display: block;
    width: 16px;
    height: 2px;
    margin: 4px auto;
    background: #fff;
}

.marketing-link-button,
.marketing-solid-button,
.marketing-ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 18px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.marketing-link-button {
    color: rgba(248, 250, 252, 0.78);
}

.marketing-solid-button {
    color: #07111b;
    background: linear-gradient(135deg, #f8fafc 0%, #8ecbff 55%, #8ef0bd 100%);
    box-shadow: 0 18px 50px rgba(111, 184, 255, 0.22);
}

.marketing-solid-button--small {
    min-height: 38px;
    padding: 0 15px;
    font-size: 13px;
}

.marketing-ghost-button {
    color: #f8fafc;
    border: 1px solid var(--mk-line);
    background: rgba(255, 255, 255, 0.05);
}

.marketing-solid-button:hover,
.marketing-ghost-button:hover {
    transform: translateY(-2px);
}

.marketing-hero {
    position: relative;
    overflow: hidden;
    min-height: 0;
    padding: 120px 24px 50px;
}

.marketing-hero--home {
    display: flex;
    align-items: center;
}

.marketing-hero__ambient {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 0%, rgba(6, 8, 13, 0.94) 100%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 88px);
    pointer-events: none;
}

.marketing-hero__grid {
    position: relative;
    z-index: 1;
    width: min(100%, var(--mk-max));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.86fr);
    gap: 54px;
    align-items: center;
}

.marketing-kicker,
.marketing-section__head span,
.marketing-cta span,
.marketing-page__copy span {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 18px;
    padding: 8px 13px;
    border: 1px solid rgba(111, 184, 255, 0.34);
    border-radius: 7px;
    color: #c7e7ff;
    background: rgba(111, 184, 255, 0.09);
    font-size: 13px;
    font-weight: 700;
}

.marketing-hero h1 {
    margin: 0;
    font-size: clamp(54px, 8vw, 112px);
    line-height: 0.94;
    letter-spacing: 0;
    font-weight: 800;
}

.marketing-hero__subtitle {
    margin: 28px 0 0;
    color: #f8fafc;
    font-size: clamp(22px, 3vw, 38px);
    line-height: 1.24;
    font-weight: 700;
}

.marketing-hero__lead {
    max-width: 620px;
    margin: 22px 0 0;
    color: var(--mk-muted);
    font-size: 17px;
    line-height: 1.9;
}

.marketing-hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.marketing-stat-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 42px;
}

.marketing-stat-strip div {
    padding: 18px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: rgba(255, 255, 255, 0.05);
}

.marketing-stat-strip strong {
    display: block;
    color: #fff;
    font-size: 30px;
    line-height: 1;
}

.marketing-stat-strip span,
.marketing-stat-strip em {
    display: block;
    margin-top: 8px;
    color: var(--mk-muted);
    font-size: 13px;
    font-style: normal;
}

.marketing-stat-strip em {
    color: #7dd3fc;
}

.marketing-hero__stage {
    perspective: 1100px;
}

.marketing-device-stack {
    position: relative;
    min-height: 520px;
}

.marketing-device {
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04));
    box-shadow: var(--mk-shadow);
}

.marketing-device--main {
    width: min(100%, 520px);
    height: 360px;
    margin: 40px auto 0;
    padding: 18px;
    transform: rotateY(-18deg) rotateX(8deg);
    transform-style: preserve-3d;
}

.marketing-device--side {
    position: absolute;
    right: 14px;
    bottom: 32px;
    width: 230px;
    height: 180px;
    padding: 16px;
    transform: rotateY(-26deg) rotateX(12deg) translateZ(60px);
}

.marketing-device__bar {
    display: flex;
    gap: 7px;
    margin-bottom: 14px;
}

.marketing-device__bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
}

.marketing-device__screen {
    height: calc(100% - 24px);
    padding: 22px;
    border-radius: 12px;
    background: #090f1d;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.marketing-screen-line {
    height: 14px;
    width: 56%;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--mk-blue), var(--mk-green));
}

.marketing-screen-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 24px;
}

.marketing-screen-grid span {
    height: 54px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
}

.marketing-screen-map {
    position: relative;
    height: 120px;
    margin-top: 24px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(111, 184, 255, 0.14), rgba(88, 214, 141, 0.08));
    overflow: hidden;
}

.marketing-screen-map i {
    position: absolute;
    width: 160px;
    height: 2px;
    background: rgba(125, 211, 252, 0.76);
    transform: rotate(-22deg);
}

.marketing-screen-map i:nth-child(1) {
    left: 24px;
    top: 38px;
}

.marketing-screen-map i:nth-child(2) {
    left: 126px;
    top: 72px;
}

.marketing-screen-map i:nth-child(3) {
    left: 218px;
    top: 48px;
}

.marketing-device__screen--compact {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
}

.marketing-device__screen--compact span {
    color: var(--mk-blue);
    font-size: 13px;
    font-weight: 800;
}

.marketing-device__screen--compact strong {
    margin-top: 8px;
    color: #fff;
    font-size: 24px;
}

.marketing-section,
.marketing-page {
    width: min(100% - 48px, var(--mk-max));
    margin: 0 auto;
}

.marketing-section {
    padding: 50px 0;
}

.marketing-section--tight {
    padding-top: 20px;
}

.marketing-section__head {
    max-width: 760px;
    margin-bottom: 22px;
}

.marketing-section__head h2,
.marketing-page__copy h1,
.marketing-cta h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(32px, 5vw, 58px);
    line-height: 1.08;
    letter-spacing: 0;
    font-weight: 800;
}

.marketing-section__head p,
.marketing-page__copy p,
.marketing-cta p {
    margin: 10px 0 0;
    color: var(--mk-muted);
    font-size: 16px;
    line-height: 1.6;
}

.marketing-feature-row,
.marketing-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

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

.marketing-feature-tile,
.marketing-card,
.marketing-cta,
.marketing-page__note,
.marketing-section-note,
.marketing-doc-section {
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-panel);
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.18);
}

.marketing-feature-tile,
.marketing-card {
    min-height: 260px;
    padding: 26px;
}

.marketing-feature-tile__top,
.marketing-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}

.marketing-feature-tile i,
.marketing-card__head i {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    color: #07111b;
    background: linear-gradient(135deg, var(--mk-blue), var(--mk-green));
}

.marketing-feature-tile img,
.marketing-card__head img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    padding: 8px;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--mk-blue), var(--mk-green));
}

.marketing-feature-tile span,
.marketing-card__head span,
.marketing-card__head strong {
    color: #c7e7ff;
    font-size: 12px;
    font-weight: 800;
}

.marketing-feature-tile h3,
.marketing-card h3 {
    margin: 0;
    color: #fff;
    font-size: 22px;
}

.marketing-feature-tile p,
.marketing-card p,
.marketing-section-note p {
    margin: 14px 0 0;
    color: var(--mk-muted);
    font-size: 15px;
    line-height: 1.75;
}

.marketing-shot-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    perspective: 1200px;
}

.marketing-shot {
    min-height: 0;
    padding: 18px 18px 14px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
    box-shadow: var(--mk-shadow);
    transform-style: preserve-3d;
}

.marketing-shot--left {
    transform: rotateY(13deg) rotateX(5deg);
}

.marketing-shot--right {
    transform: rotateY(-13deg) rotateX(5deg);
}

.marketing-shot__media {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border-radius: 7px;
    background: #0f172a;
}

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

.marketing-shot__body {
    padding: 14px 8px 0;
}

.marketing-shot__body span {
    color: var(--mk-green);
    font-size: 12px;
    font-weight: 800;
}

.marketing-shot__body h3 {
    margin: 6px 0 0;
    color: #fff;
    font-size: 20px;
}

.marketing-shot__body p {
    margin: 4px 0 0;
    color: var(--mk-muted);
    font-size: 13px;
}

.marketing-shot__body code,
.marketing-section-note code {
    display: none;
}

.marketing-section--cta {
    padding-bottom: 90px;
}

.marketing-cta {
    padding: 34px;
}

.marketing-cta__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.marketing-cta__links a {
    padding: 11px 16px;
    border: 1px solid var(--mk-line);
    border-radius: 7px;
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.marketing-footer {
    width: min(100% - 48px, var(--mk-max));
    margin: 0 auto;
    padding: 30px 0 42px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--mk-muted);
    border-top: 1px solid var(--mk-line);
}

.marketing-page {
    padding: 132px 0 80px;
}

.marketing-page__hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 32px;
    align-items: end;
    margin-bottom: 34px;
}

.marketing-page__note {
    padding: 24px;
}

.marketing-page__note p {
    margin: 0;
    color: var(--mk-muted);
    line-height: 1.8;
}

.marketing-card__meta {
    width: fit-content;
    margin: 12px 0;
    padding: 6px 10px;
    border-radius: 7px;
    color: #bef8d2;
    background: rgba(88, 214, 141, 0.12);
    font-size: 13px;
    font-weight: 800;
}

.marketing-card__hint {
    min-height: 54px;
}

.marketing-download-grid .marketing-card {
    display: flex;
    flex-direction: column;
}

.marketing-download-grid .marketing-solid-button {
    width: fit-content;
    margin-top: auto;
}

.marketing-section-note {
    margin-top: 28px;
    padding: 24px;
}

.marketing-video-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 22px;
}

.marketing-video-player {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: #020617;
    box-shadow: var(--mk-shadow);
}

.marketing-video-player video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.marketing-video-player__empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px;
    text-align: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.72), rgba(2, 6, 23, 0.92));
}

.marketing-video-player__empty strong {
    font-size: 26px;
}

.marketing-video-player__empty span {
    color: var(--mk-muted);
}

.marketing-video-player.has-source .marketing-video-player__empty {
    display: none;
}

.marketing-video-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.marketing-video-item {
    width: 100%;
    min-height: 138px;
    padding: 18px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    color: var(--mk-text);
    text-align: left;
    background: var(--mk-panel);
    cursor: pointer;
}

.marketing-video-item.is-active,
.marketing-video-item:hover {
    border-color: rgba(111, 184, 255, 0.58);
    background: rgba(111, 184, 255, 0.1);
}

.marketing-video-item__tag {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--mk-blue);
    font-size: 12px;
    font-weight: 800;
}

.marketing-video-item strong,
.marketing-video-item em {
    display: block;
}

.marketing-video-item strong {
    font-size: 18px;
}

.marketing-video-item em {
    margin-top: 4px;
    color: var(--mk-muted);
    font-size: 13px;
    font-style: normal;
}

.marketing-video-item p {
    margin: 10px 0 0;
    color: var(--mk-muted);
    font-size: 14px;
    line-height: 1.6;
}

.marketing-doc-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.marketing-doc-nav {
    position: sticky;
    top: 102px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-panel);
}

.marketing-doc-nav a {
    padding: 12px;
    border-radius: 7px;
    color: var(--mk-soft);
}

.marketing-doc-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
}

.marketing-doc-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.marketing-doc-section {
    padding: 28px;
    scroll-margin-top: 110px;
}

.marketing-doc-section h2 {
    margin: 0;
    color: #fff;
}

.marketing-doc-section__summary {
    margin: 12px 0 20px;
    color: var(--mk-muted);
}

.marketing-doc-section ul,
.marketing-plan-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.marketing-doc-section li,
.marketing-plan-card li {
    position: relative;
    padding: 9px 0 9px 24px;
    color: var(--mk-soft);
    line-height: 1.6;
}

.marketing-doc-section li::before,
.marketing-plan-card li::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 4px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--mk-green);
}

.marketing-doc-images {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.marketing-doc-images figure {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--mk-line);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.04);
}

.marketing-doc-images img {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    background: #0f172a;
}

.marketing-doc-images figcaption {
    padding: 10px 12px;
    color: var(--mk-muted);
    font-size: 13px;
    line-height: 1.6;
}

.marketing-card-grid--plans,
.marketing-card-grid--about {
    align-items: stretch;
}

.marketing-plan-card {
    min-height: 420px;
}

.marketing-plan-card.is-featured {
    border-color: rgba(111, 184, 255, 0.64);
    background: rgba(111, 184, 255, 0.1);
}

.marketing-plan-card__price {
    color: #fff;
    font-size: 46px;
    font-weight: 800;
    line-height: 1;
}

.marketing-plan-card__period {
    margin-top: 8px;
    color: var(--mk-muted);
}

.marketing-plan-card ul {
    margin: 22px 0;
}

.marketing-auth-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.marketing-auth-modal.is-open {
    display: flex;
}

.marketing-auth-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(10px);
}

.marketing-auth-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 430px);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: #f8fafc;
    color: #172033;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
    padding: 26px;
}

.marketing-auth-panel__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 34px;
    height: 34px;
    border: 1px solid #dfe5ef;
    border-radius: 7px;
    color: #475467;
    background: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}

.marketing-auth-panel__head span {
    display: inline-flex;
    margin-bottom: 12px;
    padding: 6px 10px;
    border-radius: 7px;
    color: #1f6feb;
    background: #eef5ff;
    font-size: 12px;
    font-weight: 700;
}

.marketing-auth-panel__head h2 {
    margin: 0;
    font-size: 24px;
}

.marketing-auth-panel__head p {
    margin: 8px 0 0;
    color: #667085;
    font-size: 13px;
}

.marketing-auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    margin: 20px 0 16px;
    padding: 4px;
    border-radius: 8px;
    background: #eef1f6;
}

.marketing-auth-tabs button {
    height: 38px;
    border: 0;
    border-radius: 7px;
    color: #667085;
    background: transparent;
    font-weight: 700;
    cursor: pointer;
}

.marketing-auth-tabs button.is-active {
    color: #172033;
    background: #fff;
    box-shadow: 0 4px 12px rgba(16, 24, 40, 0.08);
}

.marketing-auth-content {
    display: none;
}

.marketing-auth-content.is-active {
    display: block;
}

.marketing-auth-content form {
    display: grid;
    gap: 13px;
}

.marketing-auth-content label span {
    display: block;
    margin-bottom: 8px;
    color: #344054;
    font-size: 13px;
    font-weight: 700;
}

.marketing-auth-content input {
    width: 100%;
    height: 44px;
    border: 1px solid #dfe5ef;
    border-radius: 8px;
    padding: 0 12px;
    color: #172033;
    background: #fff;
    outline: none;
}

.marketing-auth-content input:focus {
    border-color: #1f6feb;
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
}

.marketing-auth-content form button,
.marketing-auth-wechat button {
    width: 100%;
    height: 44px;
    border: 0;
    border-radius: 8px;
    color: #fff;
    background: #1f6feb;
    font-weight: 700;
    cursor: pointer;
}

.marketing-auth-content form button:disabled {
    cursor: not-allowed;
    opacity: 0.68;
}

.marketing-auth-message {
    min-height: 20px;
    margin-top: 12px;
    color: #d92d20;
    font-size: 13px;
    line-height: 1.5;
}

.marketing-auth-message.is-ok {
    color: #14966b;
}

.marketing-auth-wechat {
    display: grid;
    gap: 12px;
    text-align: center;
}

.marketing-auth-wechat img {
    width: 190px;
    height: 190px;
    margin: 0 auto;
    border: 1px solid #dfe5ef;
    border-radius: 8px;
    padding: 8px;
    background: #fff;
    object-fit: contain;
}

.marketing-auth-wechat p {
    min-height: 22px;
    margin: 0;
    color: #667085;
    font-size: 13px;
}

.marketing-reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.marketing-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .marketing-nav {
        height: auto;
        min-height: 64px;
        flex-wrap: wrap;
    }

    .marketing-nav__toggle {
        display: block;
        margin-left: auto;
    }

    .marketing-nav__links,
    .marketing-nav__actions {
        display: none;
        width: 100%;
    }

    .marketing-nav.is-open .marketing-nav__links,
    .marketing-nav.is-open .marketing-nav__actions {
        display: flex;
    }

    .marketing-nav__links {
        order: 4;
        flex-direction: column;
        align-items: stretch;
        padding-bottom: 12px;
    }

    .marketing-nav-dropdown {
        width: 100%;
    }

    .marketing-nav-dropdown::after {
        display: none;
    }

    .marketing-nav-dropdown__trigger {
        width: 100%;
        justify-content: flex-start;
        text-align: left;
    }

    .marketing-nav-dropdown__menu {
        position: static;
        display: block;
        min-width: 0;
        margin: 4px 0 8px;
        padding: 6px;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        background: rgba(255, 255, 255, 0.05);
        box-shadow: none;
    }

    .marketing-nav-dropdown:hover .marketing-nav-dropdown__menu,
    .marketing-nav-dropdown:focus-within .marketing-nav-dropdown__menu {
        transform: none;
    }

    .marketing-nav__actions {
        order: 5;
        padding-bottom: 16px;
    }

    .marketing-hero__grid,
    .marketing-page__hero,
    .marketing-video-layout,
    .marketing-doc-layout {
        grid-template-columns: 1fr;
    }

    .marketing-hero__stage {
        order: -1;
    }

    .marketing-feature-row,
    .marketing-card-grid,
    .marketing-shot-grid,
    .marketing-doc-images {
        grid-template-columns: 1fr;
    }

    .marketing-shot--left,
    .marketing-shot--right,
    .marketing-device--main,
    .marketing-device--side {
        transform: none;
    }

    .marketing-device--side {
        position: relative;
        right: auto;
        bottom: auto;
        margin: -70px 0 0 auto;
    }

    .marketing-doc-nav {
        position: static;
    }
}

@media (max-width: 620px) {
    .marketing-hero {
        min-height: auto;
        padding: 130px 18px 64px;
    }

    .marketing-section,
    .marketing-page {
        width: min(100% - 32px, var(--mk-max));
    }

    .marketing-page {
        padding-top: 120px;
    }

    .marketing-stat-strip {
        grid-template-columns: 1fr;
    }

    .marketing-hero h1 {
        font-size: clamp(32px, 10vw, 48px);
    }

    .marketing-hero__subtitle {
        font-size: clamp(18px, 5vw, 24px);
    }

    .marketing-hero__actions {
        flex-direction: column;
    }

    .marketing-solid-button,
    .marketing-ghost-button {
        width: 100%;
    }

    .marketing-device-stack {
        min-height: 320px;
    }

    .marketing-device--main {
        height: 220px;
    }

    .marketing-stat-strip strong {
        font-size: 24px;
    }

    .marketing-footer {
        flex-direction: column;
    }
}