/*
    mk-03 · 编辑式精品站
    象牙底 / 黑 / 香槟金三色，全站无阴影、无圆角、无彩色底卡。
*/

:root {
    --ivory: #f6f2ea;
    --ink: #14110e;
    --ink-soft: rgba(20, 17, 14, 0.66);
    --gold: #b09155;
    --line: rgba(20, 17, 14, 0.16);
    --line-soft: rgba(20, 17, 14, 0.08);
    --max: 1160px;
    --prose: 62ch;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html body {
    margin: 0;
    background: var(--ivory);
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 2.1;
    letter-spacing: 0.02em;
    overflow-x: hidden;
}

body img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
    max-height: 86vh;
}

body figure {
    margin: 0;
}

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

body h1,
body h2,
body h3 {
    margin: 0 0 18px;
    font-weight: 400;
    letter-spacing: 0.1em;
    line-height: 1.6;
}

body h1 {
    font-size: clamp(26px, 3.4vw, 44px);
    line-height: 1.55;
}

body h2 {
    font-size: clamp(21px, 2.2vw, 29px);
}

body h3 {
    font-size: 16px;
    letter-spacing: 0.08em;
}

body p {
    margin: 0 0 22px;
}

.wrap {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding-left: 28px;
    padding-right: 28px;
}

/* ---------- header ---------- */

.site-head {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.4s ease, border-color 0.4s ease;
}

.site-head.is-solid {
    background: var(--ivory);
    border-bottom-color: var(--line);
}

.head-bar {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 62px;
}

.menu-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 13px;
    letter-spacing: 0.16em;
    cursor: pointer;
}

.brand {
    grid-column: 2;
    font-size: 15px;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    white-space: nowrap;
}

.icon-links {
    grid-column: 3;
    justify-self: end;
    display: flex;
    gap: 22px;
    font-size: 15px;
}

.icon-link {
    padding: 6px 2px;
    color: var(--ink-soft);
}

.icon-link:hover {
    color: var(--gold);
}

.line-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 34px;
    padding: 0 28px 16px;
    font-size: 13px;
    letter-spacing: 0.16em;
}

.line-nav a {
    position: relative;
    padding-bottom: 4px;
}

.line-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.35s ease;
}

.line-nav a:hover::after {
    transform: scaleX(1);
}

.nav-drawer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    z-index: 1;
    padding: 108px 28px 40px;
    background: var(--ivory);
    overflow-y: auto;
    transform: translateY(-100%);
    transition: transform 0.42s ease;
}

.nav-drawer.is-open {
    transform: translateY(0);
}

.drawer-list {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
}

.drawer-list li + li {
    border-top: 1px solid var(--line-soft);
}

.drawer-list a {
    display: block;
    padding: 18px 0;
    font-size: 21px;
    letter-spacing: 0.14em;
}

.drawer-note {
    max-width: 42ch;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

/* ---------- hero stage ---------- */

.stage {
    position: relative;
}

.stage-media {
    position: relative;
    overflow: hidden;
    min-height: 86vh;
}

.stage-media img {
    width: 100%;
    height: 86vh;
    min-height: 86vh;
    aspect-ratio: 2 / 1;
    object-position: 50% 42%;
}

.stage-media::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    background: rgba(246, 242, 234, 0.5);
    pointer-events: none;
}

.stage-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    max-width: 860px;
    margin: 0 auto;
    padding: 0 28px 92px;
    text-align: center;
}

.stage-kicker {
    margin-bottom: 18px;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--gold);
}

.stage-lead {
    max-width: 54ch;
    margin: 0 auto 34px;
}

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

.btn-line {
    display: inline-block;
    padding: 15px 36px;
    border: 1px solid var(--ink);
    border-radius: 0;
    background: transparent;
    color: var(--ink);
    font: inherit;
    font-size: 13px;
    letter-spacing: 0.18em;
    cursor: pointer;
    transition: background 0.35s ease, color 0.35s ease;
}

.btn-line:hover {
    background: var(--ink);
    color: var(--ivory);
}

/* ---------- sections ---------- */

.sec {
    padding: 120px 0;
}

main [id] {
    scroll-margin-top: 128px;
}

.sec-center {
    text-align: center;
}

.sec-head {
    margin-bottom: 56px;
}

.sec-head p,
.sec-body p {
    max-width: var(--prose);
}

.sec-center .sec-head p,
.sec-center .sec-body p {
    margin-left: auto;
    margin-right: auto;
}

.eyebrow {
    margin-bottom: 16px;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--gold);
}

.sec-lead {
    color: var(--ink-soft);
}

.sec-body {
    margin-top: 8px;
}

.text-link {
    display: inline-block;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--line);
    font-size: 13px;
    letter-spacing: 0.18em;
}

.text-link:hover {
    border-bottom-color: var(--gold);
    color: var(--gold);
}

.quiet-link {
    display: inline-block;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--line);
    font-size: 12px;
    letter-spacing: 0.12em;
}

.quiet-link-line {
    margin: 0;
}

/* ---------- featured experience ---------- */

.editorial-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 64px;
    align-items: start;
}

.ed-card img {
    aspect-ratio: 16 / 9;
    max-height: 56vh;
}

.ed-card figcaption h3 {
    margin-top: 26px;
    margin-bottom: 12px;
}

.ed-card figcaption p {
    max-width: 40ch;
    color: var(--ink-soft);
}

.ed-card-offset {
    transform: translateY(72px);
}

/* ---------- series line ---------- */

.series-line {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
}

.series-node {
    display: block;
    padding: 34px 26px 40px 26px;
    border-left: 1px solid var(--line-soft);
    transition: color 0.35s ease;
}

.series-node:first-child {
    border-left: 0;
    padding-left: 0;
}

.series-node:hover {
    color: var(--gold);
}

.node-no {
    display: block;
    margin-bottom: 14px;
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--gold);
}

.node-name {
    display: block;
    margin-bottom: 12px;
    font-size: 19px;
    letter-spacing: 0.12em;
}

.node-desc {
    display: block;
    font-size: 14px;
    line-height: 2;
    color: var(--ink-soft);
}

/* ---------- member ---------- */

.member-split {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 72px;
    align-items: start;
}

.member-figure img {
    aspect-ratio: 4 / 5;
    max-height: 60vh;
    object-position: 50% 22%;
}

.member-figure figcaption,
.member-card .card-note {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

.member-card {
    border: 1px solid var(--line);
    padding: 38px 34px 32px;
}

.card-title {
    margin-bottom: 22px;
    font-size: 15px;
    letter-spacing: 0.24em;
    color: var(--gold);
}

.card-list {
    margin: 0 0 22px;
    padding: 0;
    list-style: none;
}

.card-list li {
    padding: 14px 0;
    border-top: 1px solid var(--line-soft);
    font-size: 14px;
    line-height: 2;
}

/* ---------- brand story ---------- */

.story-column {
    max-width: var(--prose);
    margin: 0 auto;
}

.story-inset {
    margin: 38px 0;
}

.story-inset img {
    aspect-ratio: 3 / 4;
    max-height: 62vh;
    object-position: 50% 30%;
}

.story-inset figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

body blockquote {
    margin: 44px 0;
    padding-left: 26px;
    border-left: 1px solid var(--gold);
}

blockquote p {
    font-size: 17px;
    line-height: 2;
}

blockquote cite {
    font-size: 12px;
    font-style: normal;
    letter-spacing: 0.16em;
    color: var(--ink-soft);
}

.story-banner {
    margin-top: 96px;
}

.story-banner img {
    aspect-ratio: 4 / 1;
    max-height: 46vh;
    object-position: 50% 50%;
}

.story-banner figcaption {
    max-width: var(--max);
    margin: 14px auto 0;
    padding: 0 28px;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

/* ---------- topic mosaic ---------- */

.topic-mosaic {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 40px;
}

.mosaic-cell img {
    aspect-ratio: 1 / 1;
}

.mosaic-big {
    grid-column: 1 / span 2;
    grid-row: 1 / span 2;
}

.mosaic-big img {
    height: 100%;
    aspect-ratio: 4 / 5;
    max-height: none;
    object-position: 50% 30%;
}

.mosaic-cell figcaption {
    margin-top: 18px;
}

.mosaic-cell figcaption p {
    max-width: 44ch;
    color: var(--ink-soft);
}

.mosaic-cell h3 {
    margin-bottom: 10px;
}

.mosaic-cell figcaption .text-link {
    margin-top: 12px;
}

.mosaic-index {
    margin-top: 96px;
    border-top: 1px solid var(--line);
    padding-top: 40px;
}

.mosaic-index h2 {
    font-size: 18px;
    letter-spacing: 0.2em;
}

.topic-index {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 40px;
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
}

.topic-index a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 14px;
}

.topic-index a:hover {
    color: var(--gold);
}

/* ---------- service desk ---------- */

.desk-list {
    margin: 0 auto;
    padding-left: 28px;
    padding-right: 28px;
    list-style: none;
    border-top: 1px solid var(--line);
}

.desk-item {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 0 32px;
    padding: 34px 0;
    border-bottom: 1px solid var(--line-soft);
}

.desk-no {
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--gold);
}

.desk-text h3 {
    margin-bottom: 10px;
}

.desk-text p {
    max-width: var(--prose);
    margin: 0;
    color: var(--ink-soft);
}

.desk-figure {
    margin-top: 72px;
}

.desk-figure img {
    aspect-ratio: 3 / 2;
    max-height: 58vh;
    object-position: 50% 45%;
}

.desk-figure figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

/* ---------- faq ---------- */

.faq-slim {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 60px;
}

.faq-item {
    padding: 30px 0;
    border-top: 1px solid var(--line-soft);
}

.faq-item:last-child {
    grid-column: 1 / span 2;
}

.faq-item h3 {
    margin-bottom: 10px;
    font-size: 15px;
    letter-spacing: 0.12em;
}

.faq-item p {
    margin: 0;
    max-width: var(--prose);
    color: var(--ink-soft);
}

/* ---------- about page ---------- */

.about-stage {
    padding: 150px 0 0;
}

.about-stage-media {
    position: relative;
    overflow: hidden;
}

.about-stage-media img {
    aspect-ratio: 16 / 7;
    max-height: 72vh;
    object-position: 50% 38%;
}

.about-stage-caption {
    position: absolute;
    left: 28px;
    right: 28px;
    bottom: 34px;
    max-width: 640px;
    padding: 26px 30px;
    background: rgba(246, 242, 234, 0.86);
}

.about-stage-caption h1 {
    margin-bottom: 12px;
}

.about-stage-caption p {
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--ink-soft);
}

.about-letters p {
    max-width: var(--prose);
}

.about-letters p:first-child::first-letter {
    float: left;
    margin: 6px 14px 0 0;
    font-size: 3em;
    line-height: 1;
    color: var(--gold);
}

.about-letters-figure {
    float: right;
    width: 38%;
    margin: 8px 0 26px 40px;
}

.about-letters-figure img {
    aspect-ratio: 4 / 5;
    max-height: 46vh;
    object-position: 50% 18%;
}

.about-letters-figure figcaption {
    margin-top: 12px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

.about-timeline-lite {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
}

.tl-node {
    padding: 32px 24px 8px 24px;
    border-left: 1px solid var(--line-soft);
}

.tl-node:first-child {
    border-left: 0;
    padding-left: 0;
}

.tl-node h3 {
    margin-bottom: 12px;
    color: var(--gold);
}

.tl-node p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.about-read {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 60px;
}

.read-item {
    display: block;
    padding: 26px 0;
    border-top: 1px solid var(--line-soft);
}

.read-item h3 {
    margin-bottom: 8px;
}

.read-item p {
    margin: 0;
    color: var(--ink-soft);
}

.read-item:hover h3 {
    color: var(--gold);
}

.about-note blockquote {
    max-width: var(--prose);
    margin: 0 auto 34px;
}

.about-note p {
    max-width: var(--prose);
    margin: 0 auto 22px;
}

.about-notes-figure {
    margin-top: 56px;
}

.about-notes-figure img {
    aspect-ratio: 3 / 2;
    max-height: 52vh;
    object-position: 30% 45%;
}

.about-notes-figure figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

.about-statement p {
    max-width: var(--prose);
}

/* ---------- product page ---------- */

.prod-band {
    margin-bottom: 72px;
}

.prod-band img {
    aspect-ratio: 21 / 9;
    max-height: 54vh;
    object-position: 50% 55%;
}

.prod-band figcaption,
.prod-figure figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

.prod-index {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 34px;
    margin: 0 0 26px;
    padding: 0;
    list-style: none;
    font-size: 13px;
    letter-spacing: 0.12em;
}

.prod-index a {
    padding-bottom: 4px;
    border-bottom: 1px solid var(--line);
}

.prod-index a:hover {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

.prod-editorial {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.prod-cat {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 24px 56px;
    align-items: start;
}

.prod-cat .prod-figure {
    grid-row: 1 / span 2;
}

.prod-cat-b .prod-figure {
    grid-column: 2;
}

.prod-cat-b h2,
.prod-cat-b .prod-notes {
    grid-column: 1;
}

.prod-cat-b h2 {
    grid-row: 1;
}

.prod-cat-b .prod-notes {
    grid-row: 2;
}

.prod-figure img {
    aspect-ratio: 16 / 10;
    max-height: 62vh;
    object-position: 50% 35%;
}

.prod-cat-c .prod-figure img {
    aspect-ratio: 4 / 5;
    max-height: 66vh;
    object-position: 50% 25%;
}

.prod-cat h2 {
    margin-bottom: 18px;
}

.prod-notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 40px;
}

.notes-col h3 {
    margin-bottom: 12px;
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--gold);
}

.notes-col p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

/* ---------- news page ---------- */

.news-band {
    margin-bottom: 0;
}

.news-band img {
    aspect-ratio: 21 / 9;
    max-height: 50vh;
    object-position: 50% 62%;
}

.news-band figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

.news-magazine {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 48px;
}

.news-figure img {
    aspect-ratio: 4 / 5;
    max-height: 48vh;
    object-position: 50% 40%;
}

.news-cat {
    margin: 22px 0 10px;
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--gold);
}

.news-piece h3 {
    margin-bottom: 12px;
}

.news-lead {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.news-lines {
    margin: 0 auto;
    padding-left: 28px;
    padding-right: 28px;
    list-style: none;
    border-top: 1px solid var(--line);
}

.line-row {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr) 90px;
    gap: 0 28px;
    align-items: baseline;
    padding: 24px 0;
    border-bottom: 1px solid var(--line-soft);
}

.line-no,
.line-time {
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--gold);
}

.line-time {
    text-align: right;
    color: var(--ink-soft);
}

.line-title {
    font-size: 16px;
    letter-spacing: 0.06em;
}

/* ---------- contact page ---------- */

.contact-band img {
    aspect-ratio: 21 / 9;
    max-height: 48vh;
    object-position: 50% 45%;
}

.contact-band figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

.contact-blocks {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 56px;
}

.info-block {
    border-top: 1px solid var(--line);
    padding-top: 26px;
}

.info-block h2 {
    font-size: 17px;
    letter-spacing: 0.16em;
}

.info-block p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.route-block {
    margin-top: 88px;
}

.route-lead {
    max-width: var(--prose);
    color: var(--ink-soft);
}

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

.diff-list {
    margin: 0 auto;
    padding-left: 28px;
    padding-right: 28px;
    list-style: none;
}

.diff-row {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 0 40px;
    align-items: baseline;
    padding: 26px 0;
    border-top: 1px solid var(--line-soft);
}

.diff-row:last-child {
    border-bottom: 1px solid var(--line-soft);
}

.diff-key {
    font-size: 14px;
    letter-spacing: 0.16em;
    color: var(--gold);
}

.diff-row p {
    margin: 0;
    max-width: var(--prose);
    font-size: 14px;
    color: var(--ink-soft);
}

.route-row {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 0 36px;
    align-items: baseline;
    padding: 26px 0;
    border-top: 1px solid var(--line-soft);
}

.route-row:last-child {
    border-bottom: 1px solid var(--line-soft);
}

.route-key {
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--gold);
}

.route-row p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.contact-form {
    max-width: 720px;
}

.field {
    margin-bottom: 30px;
}

.field label {
    display: block;
    margin-bottom: 10px;
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--gold);
}

.field input,
.field textarea {
    width: 100%;
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    color: var(--ink);
    font: inherit;
    resize: vertical;
}

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

.field input:focus-visible,
.field textarea:focus-visible {
    outline: 1px solid var(--gold);
    outline-offset: 4px;
}

.form-note {
    margin-bottom: 26px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

.form-status {
    min-height: 28px;
    margin: 22px 0 0;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: var(--gold);
}

.contact-note-figure {
    margin-top: 64px;
}

.contact-note-figure img {
    aspect-ratio: 4 / 3;
    max-height: 52vh;
    object-position: 50% 60%;
}

.contact-note-figure figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

/* ---------- app page ---------- */

.app-stage {
    padding-bottom: 96px;
}

.app-stage-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 72px;
    align-items: center;
}

.app-stage-text p {
    max-width: var(--prose);
}

.device-frame {
    width: min(320px, 76vw);
    margin: 0 auto;
    padding: 16px;
    border: 1px solid var(--ink);
    background: transparent;
    animation: device-float 7s ease-in-out infinite;
}

.device-screen {
    overflow: hidden;
    border: 1px solid var(--line-soft);
}

.device-screen img {
    aspect-ratio: 9 / 16;
    max-height: 62vh;
    object-position: 50% 28%;
}

@keyframes device-float {
    0%,
    100% {
        transform: translateY(-10px);
    }

    50% {
        transform: translateY(10px);
    }
}

.app-flow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 48px;
    border-top: 1px solid var(--line);
}

.flow-step {
    padding: 32px 0 8px 0;
    border-left: 1px solid var(--line-soft);
    padding-left: 28px;
}

.flow-step:first-child {
    border-left: 0;
    padding-left: 0;
}

.flow-no {
    display: block;
    margin-bottom: 14px;
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--gold);
}

.flow-step h3 {
    margin-bottom: 10px;
}

.flow-step p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.app-caps {
    border-top: 1px solid var(--line);
}

.cap-row {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 0 40px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line-soft);
}

.cap-row h3 {
    margin: 0;
    font-size: 16px;
}

.cap-row p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

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

.use-row {
    padding: 26px 0;
    border-bottom: 1px solid var(--line-soft);
}

.use-row h3 {
    margin-bottom: 8px;
}

.use-row p {
    max-width: var(--prose);
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
}

.app-uses-figure {
    margin-top: 64px;
}

.app-uses-figure img {
    aspect-ratio: 16 / 9;
    max-height: 50vh;
    object-position: 50% 55%;
}

.app-uses-figure figcaption,
.app-note-figure figcaption {
    margin-top: 14px;
    font-size: 12px;
    line-height: 2;
    color: var(--ink-soft);
}

.app-note-figure {
    margin-top: 64px;
}

.app-note-figure img {
    aspect-ratio: 21 / 9;
    max-height: 46vh;
    object-position: 50% 40%;
}

/* ---------- footer ---------- */

.slim-foot {
    padding: 96px 28px 64px;
    text-align: center;
}

.foot-wordmark {
    margin: 0 0 24px;
    font-size: 15px;
    letter-spacing: 0.4em;
}

.foot-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 26px;
    margin-bottom: 24px;
    font-size: 12px;
    letter-spacing: 0.12em;
}

.foot-links a:hover {
    color: var(--gold);
}

.foot-copy {
    margin: 0;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--ink-soft);
}

/* ---------- responsive ---------- */

.mk03-inner main > :first-child {
    padding-top: 168px;
}

@media (max-width: 1024px) {
    .editorial-pair,
    .member-split,
    .app-stage-grid,
    .prod-cat,
    .prod-notes,
    .contact-blocks,
    .news-magazine,
    .about-read {
        grid-template-columns: minmax(0, 1fr);
    }

    .ed-card-offset {
        transform: none;
    }

    .prod-cat .prod-figure,
    .prod-cat-b .prod-figure,
    .prod-cat-b h2,
    .prod-cat-b .prod-notes {
        grid-column: 1;
        grid-row: auto;
    }

    .series-line,
    .about-timeline-lite,
    .app-flow {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .series-node,
    .tl-node,
    .flow-step {
        border-left: 0;
        border-top: 1px solid var(--line-soft);
        padding-left: 0;
    }

    .news-magazine {
        gap: 40px;
    }
}

@media (max-width: 900px) {
    .menu-toggle {
        display: inline-flex;
    }

    .line-nav {
        display: none;
    }

    .about-letters-figure {
        float: none;
        width: 100%;
        margin: 0 0 26px;
    }
}

@media (max-width: 680px) {
    html body {
        font-size: 14px;
        line-height: 2;
    }

    .wrap {
        padding-left: 20px;
        padding-right: 20px;
    }

    .sec {
        padding: 72px 0;
    }

    .sec-head {
        margin-bottom: 36px;
    }

    .mk03-inner main > :first-child {
        padding-top: 132px;
    }

    .stage-media,
    .stage-media img {
        height: 78vh;
        min-height: 78vh;
    }

    .stage-caption {
        padding: 0 20px 56px;
    }

    .topic-mosaic,
    .faq-slim,
    .mosaic-index .topic-index,
    .series-line,
    .about-timeline-lite,
    .app-flow {
        grid-template-columns: minmax(0, 1fr);
    }

    .mosaic-big {
        grid-column: 1;
        grid-row: auto;
    }

    .mosaic-big img {
        height: auto;
        aspect-ratio: 1 / 1;
    }

    .faq-item:last-child {
        grid-column: 1;
    }

    .desk-item,
    .cap-row,
    .route-row,
    .diff-row,
    .line-row {
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
    }

    .line-time {
        text-align: left;
    }

    .about-stage {
        padding-top: 120px;
    }

    .about-stage-caption {
        position: static;
        left: auto;
        right: auto;
        bottom: auto;
        max-width: none;
        padding: 22px 20px 0;
        background: transparent;
    }

    .story-banner {
        margin-top: 56px;
    }

    .prod-editorial {
        gap: 72px;
    }

    .desk-list,
    .news-lines,
    .diff-list {
        padding-left: 20px;
        padding-right: 20px;
    }

    .slim-foot {
        padding: 64px 20px 48px;
    }
}

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

    .device-frame {
        animation: none;
    }

    .line-nav a::after,
    .btn-line,
    .nav-drawer {
        transition: none;
    }
}