/* MK 平台 · 深色舞台式站点样式（mk-17） */

:root {
    --bg: #15181d;
    --card: #1d2229;
    --line: #ffffff14;
    --hair: #ffffff0f;
    --accent: #c6f24e;
    --text: #eceff3;
    --muted: #7f8794;
    --radius: 6px;
    --wrap: 1280px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    font-size: 15.5px;
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 660px;
    object-fit: cover;
    object-position: center;
}

body figure {
    position: relative;
    margin: 0;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #101317;
}

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

body h1,
body h2,
body h3 {
    margin: 0;
    font-weight: 700;
    letter-spacing: 0.2px;
}

body p {
    margin: 0;
}

body ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 24px;
}

.kicker {
    display: inline-block;
    margin-bottom: 14px;
    padding: 3px 10px;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    color: var(--accent);
    font-size: 12.5px;
    letter-spacing: 3px;
}

.tlink {
    display: inline-block;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--accent);
    color: var(--accent);
    font-size: 14px;
}

.sec {
    padding: 68px 0;
    border-top: 1px solid var(--hair);
}

.sec-title {
    position: relative;
    padding-left: 16px;
    border-left: 3px solid var(--accent);
    font-size: 27px;
    line-height: 1.45;
}

.sec-lead {
    max-width: 880px;
    margin: 16px 0 34px;
    color: var(--muted);
}

.sec-link {
    margin-top: 26px;
}

.sec p + p {
    margin-top: 10px;
}

/* 顶栏 */

.full-bar {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(21, 24, 29, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}

.bar-inner {
    display: flex;
    align-items: center;
    gap: 22px;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 12px 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 5px;
    background: var(--accent);
    color: #15181d;
    font-size: 13px;
}

.brand-name {
    font-size: 16px;
    font-weight: 700;
}

.bar-nav {
    flex: 1 1 auto;
    min-width: 0;
}

.rail-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
}

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

.rail-link {
    display: inline-block;
    padding: 4px 0;
    color: var(--muted);
    font-size: 14.5px;
    border-bottom: 2px solid transparent;
}

.rail-link:hover,
.rail-link.is-current {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.bar-side {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.bar-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--muted);
}

.bar-icon:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.btn-solid {
    display: inline-block;
    padding: 9px 18px;
    border-radius: var(--radius);
    background: var(--accent);
    color: #15181d;
    font-size: 14.5px;
    font-weight: 700;
}

.btn-ghost {
    display: inline-block;
    padding: 9px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14.5px;
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.bar-burger {
    display: none;
    width: 38px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text);
    font-size: 15px;
    cursor: pointer;
}

.full-bar.is-scrolled .bar-inner {
    padding-top: 8px;
    padding-bottom: 8px;
}

/* 首页发布式 Hero */

.launch {
    position: relative;
    padding: 64px 0 56px;
}

.launch-copy {
    text-align: center;
}

.launch-copy h1 {
    max-width: 900px;
    margin: 0 auto;
    font-size: 52px;
    font-weight: 700;
    line-height: 1.28;
}

.launch-lead {
    max-width: 820px;
    margin: 20px auto 0;
    color: var(--muted);
}

.launch-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 26px;
}

.launch-media {
    position: relative;
    margin-top: 40px;
}

.media-frame {
    aspect-ratio: 2 / 1;
}

.thumb-rail {
    position: absolute;
    left: 24px;
    top: 50%;
    z-index: 5;
    display: grid;
    grid-template-rows: 1fr 1.28fr 1fr;
    gap: 12px;
    width: min(132px, 12%);
    height: 92%;
    transform: translateY(-50%);
}

.thumb-rail figure {
    aspect-ratio: auto;
}

/* 产品轨道 */

.rail-title {
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 17px;
    font-weight: 400;
}

.prod-rail {
    overflow-x: auto;
    padding-bottom: 14px;
    scroll-snap-type: x mandatory;
}

.rail-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(268px, 300px);
    gap: 16px;
}

.rail-card {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    scroll-snap-align: start;
}

.card-media {
    aspect-ratio: 4 / 3;
    margin-bottom: 14px;
}

.rail-card h3 {
    margin-bottom: 8px;
    font-size: 17.5px;
}

.rail-card p {
    color: var(--muted);
    font-size: 14.5px;
}

/* 核心玩法 */

.play-cols {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 34px;
    align-items: start;
}

.play-frame {
    aspect-ratio: 16 / 10;
}

.play-note {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13.5px;
}

.play-dl dt {
    padding: 10px 0 6px;
    border-top: 1px solid var(--line);
    color: var(--accent);
    font-size: 15.5px;
    font-weight: 700;
}

.play-dl dd {
    margin: 0 0 14px;
    color: var(--muted);
}

/* 技术四宫格 */

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

.tech-cell {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.tech-tag {
    display: inline-block;
    margin-bottom: 12px;
    padding: 2px 8px;
    border: 1px solid var(--hair);
    border-radius: 4px;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11.5px;
    letter-spacing: 2px;
}

.tech-cell h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.tech-cell p {
    color: var(--muted);
    font-size: 14.5px;
}

/* 多端连线 */

.client-line {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    padding-top: 12px;
}

.client-line::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 40px;
    height: 1px;
    background: var(--line);
}

.node {
    position: relative;
    padding-top: 62px;
}

.node-ic {
    position: absolute;
    top: 12px;
    left: 0;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    background: var(--bg);
    color: var(--accent);
    font-size: 20px;
}

.node h3 {
    margin-bottom: 8px;
    font-size: 17px;
}

.node p {
    color: var(--muted);
    font-size: 14.5px;
}

/* 服务支持 */

.support-rows {
    border-top: 1px solid var(--line);
}

.support-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 26px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.support-row h3 {
    font-size: 18px;
}

.support-body p {
    color: var(--muted);
}

.support-body .tlink {
    margin-top: 12px;
}

.support-q {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.support-q + .support-q {
    margin-top: 10px;
}

.support-q summary {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 15px;
}

.support-q p {
    padding: 0 16px 14px;
    font-size: 14.5px;
}

/* 品牌资讯双卡 */

.news-duo {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.duo-card {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.duo-media {
    aspect-ratio: 21 / 9;
    margin-bottom: 16px;
}

.duo-media-alt {
    aspect-ratio: 3 / 2;
}

.duo-card h2 {
    margin-bottom: 10px;
    font-size: 20px;
    line-height: 1.5;
}

.duo-card p {
    color: var(--muted);
    font-size: 14.5px;
}

.news-mini {
    margin-top: 22px;
    border-top: 1px solid var(--line);
}

.mini-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.mini-title {
    color: var(--accent);
    font-size: 15px;
}

.mini-text {
    color: var(--muted);
    font-size: 14.5px;
}

/* 收口面板 */

.sec-cta {
    border-top: 1px solid var(--hair);
}

.cta-panel {
    padding: 76px 0;
    background: #101317;
}

.cta-inner {
    text-align: center;
}

.cta-inner h2 {
    font-size: 30px;
}

.cta-inner p {
    margin-top: 14px;
    color: var(--muted);
}

/* 页脚 */

.full-foot {
    border-top: 1px solid var(--line);
    background: #101317;
}

.foot-top {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 36px;
    padding-top: 48px;
    padding-bottom: 32px;
}

.foot-brand p {
    max-width: 380px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 14px;
}

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

.foot-col-title {
    margin-bottom: 12px;
    color: var(--accent);
    font-size: 14px;
    letter-spacing: 1px;
}

.foot-list li + li {
    margin-top: 8px;
}

.foot-list a {
    color: var(--muted);
    font-size: 14px;
}

.foot-list a:hover {
    color: var(--text);
}

.foot-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 28px;
    border-top: 1px solid var(--hair);
}

.foot-note {
    color: var(--muted);
    font-size: 13px;
}

/* 关于页 */

.about-robot {
    padding: 56px 0 64px;
}

.about-robot h1 {
    max-width: 900px;
    margin: 6px 0 26px;
    font-size: 40px;
    line-height: 1.4;
}

.robot-grid {
    display: grid;
    grid-template-columns: 2.4fr 1fr;
    gap: 18px;
    margin-bottom: 30px;
}

.robot-media {
    aspect-ratio: 16 / 7;
}

.robot-side {
    aspect-ratio: 4 / 5;
}

.robot-copy {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
    color: var(--muted);
}

.about-pillars,
.about-rd,
.about-next,
.news-list,
.news-year,
.news-note,
.catalog-list,
.catalog-foot,
.contact-robot,
.contact-form-sec,
.contact-next,
.game-modules,
.game-rules,
.game-qa {
    padding: 64px 0;
    border-top: 1px solid var(--hair);
}

.about-pillars-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.pillar {
    padding-left: 18px;
    border-left: 3px solid var(--line);
}

.pillar-tag {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 2px;
}

.pillar h2 {
    margin-bottom: 10px;
    font-size: 19px;
}

.pillar p {
    color: var(--muted);
    font-size: 14.5px;
}

.rd-cols {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 32px;
    align-items: start;
}

.rd-media {
    aspect-ratio: 21 / 9;
}

.rd-lead {
    margin: 16px 0 20px;
    color: var(--muted);
}

.rd-dl dt {
    padding-top: 12px;
    border-top: 1px solid var(--line);
    color: var(--accent);
    font-weight: 700;
}

.rd-dl dd {
    margin: 4px 0 12px;
    color: var(--muted);
    font-size: 14.5px;
}

.next-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    justify-content: space-between;
}

.next-line p {
    max-width: 720px;
    color: var(--muted);
}

/* 产品页 */

.catalog-head {
    padding: 56px 0 40px;
}

.catalog-head h1 {
    max-width: 860px;
    font-size: 38px;
    line-height: 1.4;
}

.catalog-lead {
    max-width: 820px;
    margin-top: 18px;
    color: var(--muted);
}

.cat-rail {
    display: flex;
    gap: 10px;
    margin-top: 28px;
    padding-bottom: 6px;
    overflow-x: auto;
}

.cat-chip {
    flex: 0 0 auto;
    padding: 7px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
}

.cat-chip.is-on,
.cat-chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.prod-item {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 28px;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}

.prod-item:last-child {
    border-bottom: 0;
}

.prod-figure {
    aspect-ratio: 4 / 3;
}

.ratio-square {
    aspect-ratio: 1 / 1;
}

.ratio-wide {
    aspect-ratio: 16 / 9;
}

.ratio-43 {
    aspect-ratio: 4 / 3;
}

.ratio-card {
    aspect-ratio: 3 / 2;
}

.ratio-photo {
    aspect-ratio: 5 / 4;
}

.prod-item:nth-child(3) .prod-figure img {
    object-position: center 30%;
}

.prod-item:nth-child(5) .prod-figure img {
    object-position: center 70%;
}

.prod-body h2 {
    margin-bottom: 8px;
    font-size: 22px;
}

.prod-note {
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 14.5px;
}

.prod-dl dt {
    color: var(--accent);
    font-size: 14.5px;
    font-weight: 700;
}

.prod-dl dd {
    margin: 2px 0 10px;
    color: var(--muted);
    font-size: 14.5px;
}

.prod-foot-note {
    text-align: center;
}

.prod-foot-note p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--muted);
}

.foot-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    justify-content: center;
    margin-top: 18px;
}

/* 资讯页 */

.news-brand {
    padding: 56px 0 40px;
}

.news-brand h1 {
    font-size: 38px;
}

.brand-media {
    aspect-ratio: 4 / 1;
    margin: 26px 0 28px;
}

.news-brand h2 {
    font-size: 21px;
    margin-bottom: 12px;
}

.brand-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    color: var(--muted);
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 32px;
}

.news-item {
    padding: 20px 0 20px 16px;
    border-left: 3px solid var(--accent);
    border-bottom: 1px solid var(--line);
}

.news-date {
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 1px;
}

.news-item h3 {
    margin: 6px 0 8px;
    font-size: 17px;
}

.news-item p {
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 14.5px;
}

.year-cols {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 34px;
    align-items: start;
}

.year-body > p {
    margin: 16px 0 22px;
    color: var(--muted);
}

.year-rows {
    border-top: 1px solid var(--line);
}

.year-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 18px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.year-tag {
    color: var(--accent);
    font-size: 14px;
}

.year-row p {
    color: var(--muted);
    font-size: 14.5px;
}

.year-media {
    aspect-ratio: 1 / 1;
}

.note-line {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 26px;
    align-items: start;
}

.note-line p {
    color: var(--muted);
}

/* 联系页 */

.contact-head {
    padding: 56px 0 44px;
}

.contact-head h1 {
    max-width: 900px;
    font-size: 38px;
    line-height: 1.4;
}

.contact-media {
    aspect-ratio: 16 / 6;
    margin: 26px 0 24px;
}

.contact-media img {
    object-position: center 40%;
}

.contact-lead {
    max-width: 860px;
    color: var(--muted);
}

.robot-strip {
    aspect-ratio: 21 / 6;
    margin-bottom: 26px;
}

.robot-strip img {
    object-position: center 30%;
}

.robot-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.c-block {
    padding: 22px;
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius);
    background: var(--card);
}

.c-ic {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--accent);
    font-size: 20px;
}

.c-block h2 {
    margin-bottom: 10px;
    font-size: 19px;
}

.c-block p {
    color: var(--muted);
    font-size: 14.5px;
}

.form-cols {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 34px;
    align-items: start;
}

.form-media {
    aspect-ratio: 16 / 9;
    margin-bottom: 22px;
}

.form-media img {
    object-position: center 25%;
}

.contact-form {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.contact-form h2 {
    margin-bottom: 10px;
    font-size: 21px;
}

.form-intro {
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 14.5px;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 14px;
}

.field input,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #15181d;
    color: var(--text);
    font-family: inherit;
    font-size: 14.5px;
}

.field textarea {
    resize: vertical;
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-btn {
    border: 0;
    cursor: pointer;
    font-family: inherit;
}

.form-note {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13.5px;
}

.form-note.is-warn {
    color: #f2a04e;
}

.form-note.is-ok {
    color: var(--accent);
}

.faq-lead {
    margin: 16px 0 20px;
    color: var(--muted);
}

.contact-faq dt {
    padding-top: 12px;
    border-top: 1px solid var(--line);
    font-size: 15.5px;
    font-weight: 700;
}

.contact-faq dd {
    margin: 4px 0 14px;
    color: var(--muted);
    font-size: 14.5px;
}

/* 玩法页 */

.game-hero {
    padding: 56px 0 64px;
}

.game-hero h1 {
    max-width: 880px;
    font-size: 40px;
    line-height: 1.4;
}

.game-lead {
    max-width: 860px;
    margin: 18px 0 30px;
    color: var(--muted);
}

.game-rail-hero {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(280px, 1fr);
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
}

.play-card {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    scroll-snap-align: start;
}

.play-card-media {
    margin-bottom: 14px;
}

.ratio-big {
    aspect-ratio: 4 / 3;
}

.ratio-long {
    aspect-ratio: 21 / 9;
}

.ratio-tallcard {
    aspect-ratio: 16 / 9;
}

.play-card h2 {
    margin-bottom: 8px;
    font-size: 19px;
}

.play-card p {
    color: var(--muted);
    font-size: 14.5px;
}

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

.quad-cell {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.quad-ic {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--accent);
    font-size: 20px;
}

.quad-cell h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.quad-cell p {
    color: var(--muted);
    font-size: 14.5px;
}

.game-dl {
    max-width: 940px;
}

.game-dl dt {
    padding-top: 14px;
    border-top: 1px solid var(--line);
    color: var(--accent);
    font-size: 16px;
    font-weight: 700;
}

.game-dl dd {
    margin: 6px 0 16px;
    color: var(--muted);
}

.game-faq {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.faq-item {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
}

.faq-item h3 {
    margin-bottom: 8px;
    font-size: 17px;
}

.faq-item p {
    color: var(--muted);
    font-size: 14.5px;
}

/* 横向轨道的拖动状态 */

.prod-rail,
.game-rail-hero,
.cat-rail {
    cursor: grab;
}

.prod-rail.is-dragging,
.game-rail-hero.is-dragging,
.cat-rail.is-dragging {
    cursor: grabbing;
}

.prod-rail.is-dragging .rail-card a,
.game-rail-hero.is-dragging .play-card a {
    pointer-events: none;
}

/* 响应式 */

@media (max-width: 1080px) {
    .launch-copy h1 {
        font-size: 42px;
    }

    .play-cols,
    .rd-cols,
    .form-cols,
    .year-cols,
    .foot-top {
        grid-template-columns: 1fr;
    }

    .prod-item {
        grid-template-columns: 260px 1fr;
    }
}

@media (max-width: 900px) {
    .bar-inner {
        flex-wrap: wrap;
        gap: 12px;
    }

    .bar-nav {
        order: 4;
        flex: 1 0 100%;
    }

    .rail-nav {
        gap: 20px;
    }

    .bar-burger {
        display: inline-block;
    }

    .full-bar.is-open .rail-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 10px 0 4px;
        border-top: 1px solid var(--hair);
    }

    .full-bar.is-open .rail-link {
        display: block;
        width: 100%;
        padding: 8px 0;
    }

    .tech-quad,
    .game-quad,
    .game-faq,
    .news-duo,
    .about-pillars-3,
    .robot-blocks,
    .list-grid {
        grid-template-columns: 1fr;
    }

    .client-line {
        grid-template-columns: repeat(2, 1fr);
        gap: 26px 18px;
    }

    .client-line::before {
        display: none;
    }

    .node {
        padding-top: 62px;
    }

    .support-row,
    .mini-row,
    .note-line {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 620px) {
    html body {
        font-size: 15px;
    }

    .bar-inner {
        gap: 10px;
        padding-left: 18px;
        padding-right: 18px;
    }

    .bar-cta {
        padding: 7px 12px;
        font-size: 13px;
    }

    .bar-icon {
        width: 32px;
        height: 32px;
    }

    .launch {
        padding-top: 40px;
    }

    .launch-copy h1 {
        font-size: 30px;
    }

    .launch-copy h1,
    .about-robot h1,
    .catalog-head h1,
    .news-brand h1,
    .contact-head h1,
    .game-hero h1 {
        font-size: 27px;
    }

    .sec-title {
        font-size: 21px;
    }

    .cta-inner h2 {
        font-size: 22px;
    }

    .sec {
        padding: 44px 0;
    }

    .thumb-rail {
        position: static;
        width: auto;
        height: auto;
        margin: 16px 0 0;
        transform: none;
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: auto;
    }

    .thumb-tall,
    .thumb-slim,
    .thumb-mid {
        aspect-ratio: 3 / 4;
    }

    .robot-grid,
    .robot-copy,
    .brand-summary,
    .prod-item {
        grid-template-columns: 1fr;
    }

    .robot-media,
    .media-frame,
    .brand-media,
    .contact-media,
    .robot-strip,
    .year-media,
    .rd-media {
        aspect-ratio: 16 / 9;
    }

    .client-line {
        grid-template-columns: 1fr;
    }

    .year-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .cat-rail {
        margin-left: -24px;
        margin-right: -24px;
        padding-left: 24px;
        padding-right: 24px;
    }
}