:root {
    --bg: #070809;
    --bg-soft: #0d0e11;
    --panel: #121317;
    --panel-soft: #18191e;
    --hover: #202127;
    --text: #e8e8ea;
    --title: #ffffff;
    --muted: #a6a6ad;
    --quiet: #777880;
    --red: #ff1f32;
    --red-bright: #ff3445;
    --red-deep: #b20718;
    --red-dark: #68030d;
    --line: rgba(255, 255, 255, 0.08);
    --red-line: rgba(255, 31, 50, 0.38);
    --shadow: 0 16px 42px rgba(0, 0, 0, 0.38);
    --red-shadow: 0 14px 36px rgba(255, 31, 50, 0.18);
    --shell: 1280px;
    --desktop-header: 164px;
    --mobile-header: 106px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 9% 0%, rgba(255, 31, 50, 0.09), transparent 34rem),
        radial-gradient(circle at 92% 15%, rgba(178, 7, 24, 0.08), transparent 30rem),
        var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.is-locked {
    overflow: hidden;
}

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

button,
input {
    font: inherit;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(255, 52, 69, 0.78);
    outline-offset: 3px;
}

button {
    color: inherit;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--title);
    line-height: 1.24;
    letter-spacing: -0.025em;
}

p:last-child {
    margin-bottom: 0;
}

.shell {
    width: min(calc(100% - 36px), var(--shell));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 5000;
    padding: 10px 14px;
    border-radius: 6px;
    background: var(--red);
    color: #fff;
    transform: translateY(-180%);
    transition: transform 0.18s ease;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
    background: rgba(7, 8, 9, 0.96);
    backdrop-filter: blur(18px);
}

.desktop-brandbar {
    height: 72px;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(90deg, rgba(255, 31, 50, 0.08), transparent 32%),
        rgba(7, 8, 9, 0.96);
}

.brandbar-inner {
    height: 100%;
    display: grid;
    grid-template-columns: minmax(190px, auto) minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
}

.brand-link {
    display: inline-flex;
    min-width: 0;
    align-items: center;
}

.brand-wordmark {
    display: inline-flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1;
}

.brand-wordmark strong {
    color: #fff;
    font-size: 26px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-shadow: 0 0 18px rgba(255, 31, 50, 0.28);
}

.brand-wordmark small {
    margin-top: 7px;
    color: var(--red-bright);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.23em;
}

.brand-logo-image {
    width: auto;
    max-width: 200px;
    max-height: 52px;
    object-fit: contain;
}

.brand-slogan {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    letter-spacing: 0.04em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-control,
.header-hour {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.header-control:hover,
.header-hour:hover {
    border-color: var(--red-line);
    background: var(--hover);
    transform: translateY(-1px);
}

.header-hour {
    border-color: rgba(255, 31, 50, 0.68);
    background: linear-gradient(135deg, #ff3445 0%, #ff1f32 52%, #9f0615 100%);
    color: #fff;
    font-weight: 850;
    box-shadow: var(--red-shadow);
}

.desktop-primary {
    height: 50px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
}

.primary-inner {
    height: 100%;
    display: flex;
    align-items: stretch;
    overflow: hidden;
}

.primary-link {
    position: relative;
    min-width: 0;
    flex: 1 1 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 13px;
    color: var(--muted);
    font-size: 15px;
    font-weight: 760;
    white-space: nowrap;
    transition: color 0.18s ease, background 0.18s ease;
}

.primary-link::after {
    content: "";
    position: absolute;
    right: 14%;
    bottom: 0;
    left: 14%;
    height: 3px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.18s ease;
    pointer-events: none;
}

.primary-link:hover,
.primary-link.is-active {
    color: #fff;
    background: rgba(255, 255, 255, 0.025);
}

.primary-link:hover::after,
.primary-link.is-active::after {
    transform: scaleX(1);
}

.topic-strip {
    height: 42px;
    background: rgba(18, 19, 23, 0.96);
}

.topic-inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}

.topic-inner::-webkit-scrollbar {
    display: none;
}

.topic-link {
    min-height: 32px;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    padding: 0 13px;
    border-left: 2px solid transparent;
    color: var(--quiet);
    font-size: 13px;
    font-weight: 720;
    white-space: nowrap;
    transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.topic-link:hover,
.topic-link.is-active {
    border-left-color: var(--red);
    background: rgba(255, 31, 50, 0.08);
    color: #fff;
}

.mobile-brandbar {
    display: none;
}

.site-main {
    min-height: 70vh;
    padding-top: calc(var(--desktop-header) + 28px);
}

.page-section {
    padding: 56px 0;
}

.page-section + .page-section {
    border-top: 1px solid rgba(255, 255, 255, 0.045);
}

.section-dark {
    background: linear-gradient(180deg, rgba(13, 14, 17, 0.72), rgba(7, 8, 9, 0.25));
}

.section-redwash {
    background:
        linear-gradient(130deg, rgba(104, 3, 13, 0.36), rgba(13, 14, 17, 0.88) 45%, rgba(7, 8, 9, 0.94));
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 26px;
}

.section-heading > div {
    min-width: 0;
}

.section-heading h2 {
    margin-bottom: 0;
    font-size: clamp(26px, 3vw, 40px);
}

.section-heading p {
    max-width: 680px;
    margin: 8px 0 0;
    color: var(--muted);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 9px;
    color: var(--red-bright);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--red);
    box-shadow: 0 0 12px rgba(255, 31, 50, 0.5);
}

.text-link,
.more-link {
    min-height: 44px;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #fff;
    font-size: 14px;
    font-weight: 800;
}

.text-link::after,
.more-link::after {
    content: "→";
    color: var(--red-bright);
    transition: transform 0.18s ease;
}

.text-link:hover::after,
.more-link:hover::after {
    transform: translateX(4px);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 7px;
    font-weight: 850;
    white-space: nowrap;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, #ff3445 0%, #ff1f32 52%, #9f0615 100%);
    color: #fff;
    box-shadow: var(--red-shadow);
}

.btn-secondary {
    border-color: var(--red-line);
    background: rgba(255, 255, 255, 0.025);
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(255, 31, 50, 0.09);
}

.label {
    display: inline-flex;
    align-items: center;
    min-height: 25px;
    padding: 3px 9px;
    border-radius: 3px;
    background: var(--red);
    color: #fff;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.05em;
}

.label-muted {
    background: #383a41;
}

.label-dark {
    background: var(--red-dark);
}

.label-outline {
    border: 1px solid var(--red);
    background: #fff;
    color: var(--red-deep);
}

.label-split {
    background: linear-gradient(90deg, var(--red) 0 50%, #3b3c42 50% 100%);
}

.status-text {
    color: var(--red-bright);
    font-size: 12px;
    font-weight: 800;
}

.media-fallback,
.content-image {
    width: 100%;
    min-height: 230px;
    border-radius: 8px;
    object-fit: cover;
}

.media-fallback {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(22px, 4vw, 44px);
    border: 1px solid var(--red-line);
    background:
        linear-gradient(135deg, rgba(255, 31, 50, 0.22), transparent 45%),
        linear-gradient(165deg, #202127, #090a0c 70%);
    box-shadow: var(--shadow);
}

.media-fallback::before,
.media-fallback::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.media-fallback::before {
    top: -18%;
    right: -12%;
    width: 52%;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 31, 50, 0.42);
    transform: rotate(28deg);
}

.media-fallback::after {
    inset: auto 0 0;
    height: 4px;
    background: linear-gradient(90deg, var(--red), transparent 78%);
}

.media-fallback span,
.media-fallback strong {
    position: relative;
    z-index: 1;
}

.media-fallback span {
    color: var(--red-bright);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.19em;
}

.media-fallback strong {
    max-width: 14em;
    margin-top: 10px;
    color: #fff;
    font-size: clamp(24px, 4vw, 48px);
    line-height: 1.15;
}

.hero-newsroom {
    padding: 32px 0 54px;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.85fr) minmax(300px, 1fr);
    gap: 22px;
}

.hero-main,
.hero-side {
    min-width: 0;
}

.hero-main {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.hero-main .content-image,
.hero-main .media-fallback {
    min-height: 470px;
    border: 0;
    border-radius: 0;
}

.hero-main-copy {
    position: relative;
    margin: -120px 24px 24px;
    padding: 26px;
    border: 1px solid var(--red-line);
    border-radius: 7px;
    background: rgba(7, 8, 9, 0.92);
    box-shadow: var(--shadow);
}

.hero-main-copy h1 {
    margin: 12px 0 14px;
    font-size: clamp(31px, 4vw, 58px);
}

.hero-main-copy p {
    max-width: 900px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 16px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin-top: 20px;
}

.hero-side {
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 14px;
}

.hero-highlight,
.hero-briefs,
.hero-hour-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.hero-highlight {
    padding: 24px;
    border-top: 3px solid var(--red);
}

.hero-highlight h2 {
    margin: 10px 0 12px;
    font-size: 24px;
}

.hero-highlight p {
    color: var(--muted);
    font-size: 14px;
}

.hero-briefs {
    display: grid;
}

.brief-item {
    padding: 18px 20px;
}

.brief-item + .brief-item {
    border-top: 1px solid var(--line);
}

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

.brief-item p {
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 13px;
}

.hero-hour-card {
    position: relative;
    overflow: hidden;
    padding: 22px;
    background: linear-gradient(135deg, rgba(255, 31, 50, 0.21), rgba(18, 19, 23, 0.94));
}

.hero-hour-card::after {
    content: "24";
    position: absolute;
    right: 12px;
    bottom: -20px;
    color: rgba(255, 255, 255, 0.05);
    font-size: 108px;
    font-weight: 950;
    line-height: 1;
    pointer-events: none;
}

.hero-hour-card h3,
.hero-hour-card p,
.hero-hour-card a {
    position: relative;
    z-index: 1;
}

.hero-hour-card h3 {
    margin-bottom: 8px;
}

.hero-hour-card p {
    color: var(--muted);
    font-size: 13px;
}

.hot-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    counter-reset: hot;
}

.hot-item {
    position: relative;
    min-width: 0;
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.hot-item:hover {
    border-color: var(--red-line);
    background: var(--panel-soft);
    transform: translateY(-2px);
}

.hot-number {
    color: var(--red);
    font-size: 31px;
    font-weight: 950;
    letter-spacing: -0.06em;
}

.hot-copy h3 {
    margin: 0 0 7px;
    font-size: 18px;
}

.hot-copy p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.hot-side {
    display: flex;
    align-items: end;
    flex-direction: column;
    gap: 10px;
    text-align: right;
}

.feature-list-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 24px;
}

.feature-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.feature-card .content-image,
.feature-card .media-fallback {
    min-height: 350px;
    border: 0;
    border-radius: 0;
}

.feature-card-copy {
    padding: 26px;
}

.feature-card h3 {
    margin: 12px 0;
    font-size: clamp(24px, 3vw, 38px);
}

.feature-card p {
    color: var(--muted);
}

.story-list {
    display: grid;
    gap: 12px;
}

.story-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    padding: 20px;
    border: 1px solid var(--line);
    border-left: 3px solid transparent;
    border-radius: 6px;
    background: var(--panel);
    transition: border-color 0.18s ease, background 0.18s ease;
}

.story-row:hover {
    border-left-color: var(--red);
    background: var(--panel-soft);
}

.story-row h3 {
    margin: 8px 0;
    font-size: 18px;
}

.story-row p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.story-row .more-link {
    align-self: center;
}

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

.news-card {
    position: relative;
    overflow: hidden;
    min-width: 0;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.news-card:hover {
    transform: translateY(-3px);
    border-color: var(--red-line);
    background: var(--panel-soft);
}

.news-card::after {
    content: "";
    position: absolute;
    right: -28px;
    bottom: -28px;
    width: 82px;
    height: 82px;
    border: 1px solid rgba(255, 31, 50, 0.14);
    transform: rotate(35deg);
    pointer-events: none;
}

.news-card h3 {
    margin: 12px 0 10px;
    font-size: 20px;
}

.news-card p {
    color: var(--muted);
    font-size: 14px;
}

.news-card .more-link {
    margin-top: 6px;
}

.card-grid .news-card:nth-child(1),
.card-grid .news-card:nth-child(5) {
    grid-column: span 2;
}

.card-grid .news-card:nth-child(1) h3,
.card-grid .news-card:nth-child(5) h3 {
    font-size: 25px;
}

.visual-card {
    padding: 0;
}

.visual-card .content-image,
.visual-card .media-fallback {
    min-height: 230px;
    border: 0;
    border-radius: 0;
}

.visual-card-copy {
    padding: 22px;
}

.mosaic-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-flow: dense;
    gap: 16px;
}

.mosaic-card {
    grid-column: span 4;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.mosaic-card:nth-child(1),
.mosaic-card:nth-child(6) {
    grid-column: span 7;
    min-height: 320px;
    background: linear-gradient(145deg, rgba(255, 31, 50, 0.16), var(--panel) 62%);
}

.mosaic-card:nth-child(2),
.mosaic-card:nth-child(5) {
    grid-column: span 5;
}

.mosaic-card h3 {
    margin: 12px 0;
    font-size: clamp(21px, 2.5vw, 31px);
}

.mosaic-card p {
    color: var(--muted);
}

.society-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    gap: 22px;
}

.society-main {
    padding: clamp(25px, 4vw, 42px);
    border: 1px solid var(--red-line);
    border-radius: 9px;
    background: linear-gradient(145deg, rgba(255, 31, 50, 0.09), var(--panel) 44%);
    box-shadow: var(--shadow);
}

.society-main h3 {
    margin: 14px 0;
    font-size: clamp(26px, 3.4vw, 42px);
}

.society-main p {
    color: var(--muted);
    font-size: 15px;
}

.society-side {
    display: grid;
    gap: 10px;
}

.mini-observation {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
}

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

.mini-observation p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.timeline {
    position: relative;
    display: grid;
    gap: 0;
    padding-left: 34px;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 13px;
    bottom: 13px;
    left: 11px;
    width: 2px;
    background: linear-gradient(var(--red), rgba(255, 31, 50, 0.12));
    pointer-events: none;
}

.timeline-item {
    position: relative;
    padding: 0 0 28px 22px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: "";
    position: absolute;
    top: 10px;
    left: -29px;
    width: 13px;
    height: 13px;
    border: 3px solid var(--bg);
    border-radius: 50%;
    background: var(--red);
    box-shadow: 0 0 0 3px rgba(255, 31, 50, 0.2);
    pointer-events: none;
}

.timeline-card {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr) auto;
    gap: 20px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.timeline-stage {
    color: var(--red-bright);
    font-weight: 900;
}

.timeline-copy h3 {
    margin-bottom: 8px;
    font-size: 20px;
}

.timeline-copy p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.fact-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.fact-card {
    display: flex;
    flex-direction: column;
    min-height: 330px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.fact-card h3 {
    margin: 15px 0 12px;
    font-size: 18px;
}

.fact-card p {
    color: var(--muted);
    font-size: 13px;
}

.fact-card .more-link {
    margin-top: auto;
}

.hour-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.35fr) minmax(0, 0.65fr);
    gap: 24px;
    align-items: start;
}

.hour-visual {
    position: sticky;
    top: calc(var(--desktop-header) + 24px);
}

.hour-visual .content-image,
.hour-visual .media-fallback {
    min-height: 430px;
}

.hour-feed {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.hour-item {
    display: grid;
    grid-template-columns: 115px 100px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: start;
    padding: 18px 20px;
}

.hour-item + .hour-item {
    border-top: 1px solid var(--line);
}

.hour-time {
    color: var(--red-bright);
    font-size: 13px;
    font-weight: 900;
}

.hour-channel {
    color: var(--quiet);
    font-size: 12px;
    font-weight: 760;
}

.hour-copy h3 {
    margin-bottom: 5px;
    font-size: 17px;
}

.hour-copy p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.topic-card {
    min-height: 230px;
    display: flex;
    flex-direction: column;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.topic-card:nth-child(3n + 1) {
    border-top-color: var(--red);
}

.topic-card h3 {
    margin: 11px 0;
    font-size: 20px;
}

.topic-card p {
    color: var(--muted);
    font-size: 13px;
}

.topic-card .more-link {
    margin-top: auto;
}

.callout-layout,
.app-layout,
.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    gap: 28px;
    align-items: center;
}

.callout-copy,
.app-copy,
.about-copy {
    min-width: 0;
}

.callout-copy h2,
.app-copy h2,
.about-copy h2 {
    margin: 12px 0 18px;
    font-size: clamp(29px, 4vw, 48px);
}

.callout-copy p,
.app-copy p,
.about-copy p {
    color: var(--muted);
}

.callout-rules {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 22px;
}

.callout-rules span {
    padding: 12px 14px;
    border-left: 2px solid var(--red);
    background: rgba(255, 255, 255, 0.035);
    color: var(--text);
    font-size: 13px;
}

.app-services {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.app-service {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.025);
}

.app-service strong {
    display: block;
    color: #fff;
}

.app-service span {
    color: var(--muted);
    font-size: 13px;
}

.principle-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.principle-card {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.principle-card .principle-number {
    color: var(--red);
    font-size: 13px;
    font-weight: 950;
}

.principle-card h3 {
    margin: 12px 0 10px;
    font-size: 20px;
}

.principle-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.inner-hero {
    padding: 42px 0 38px;
}

.inner-hero-card {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
    gap: 30px;
    align-items: center;
    padding: clamp(28px, 5vw, 58px);
    border: 1px solid var(--line);
    border-radius: 10px;
    background:
        linear-gradient(135deg, rgba(255, 31, 50, 0.12), transparent 42%),
        var(--panel);
    box-shadow: var(--shadow);
}

.inner-hero-card::after {
    content: "";
    position: absolute;
    top: -40%;
    right: -10%;
    width: 390px;
    height: 390px;
    border: 1px solid rgba(255, 31, 50, 0.1);
    transform: rotate(24deg);
    pointer-events: none;
}

.inner-hero-copy,
.inner-hero-aside {
    position: relative;
    z-index: 1;
}

.inner-hero-copy h1 {
    margin: 12px 0 16px;
    font-size: clamp(36px, 6vw, 68px);
}

.inner-hero-copy p {
    max-width: 800px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 16px;
}

.inner-hero-aside {
    padding: 22px;
    border-left: 3px solid var(--red);
    background: rgba(7, 8, 9, 0.52);
}

.inner-hero-aside strong {
    display: block;
    margin-bottom: 8px;
    color: #fff;
    font-size: 18px;
}

.inner-hero-aside p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.content-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 26px;
    align-items: start;
}

.content-main {
    min-width: 0;
}

.content-aside {
    position: sticky;
    top: calc(var(--desktop-header) + 24px);
    display: grid;
    gap: 14px;
}

.article-section {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.article-section + .article-section {
    margin-top: 16px;
}

.article-section h2 {
    margin-bottom: 15px;
    font-size: clamp(23px, 3vw, 32px);
}

.article-section h3 {
    margin: 22px 0 9px;
    font-size: 20px;
}

.article-section p,
.article-section li {
    color: var(--muted);
}

.article-section p + p {
    margin-top: 14px;
}

.article-section ul,
.article-section ol {
    margin: 14px 0 0;
    padding-left: 1.25em;
}

.article-section li + li {
    margin-top: 9px;
}

.article-section strong {
    color: #fff;
}

.article-intro {
    border-left: 4px solid var(--red);
}

.article-quote {
    margin: 22px 0 0;
    padding: 18px 20px;
    border: 1px solid var(--red-line);
    border-radius: 6px;
    background: rgba(255, 31, 50, 0.06);
    color: #fff;
}

.article-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.article-mini {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg-soft);
}

.article-mini h3 {
    margin-top: 0;
}

.check-list {
    list-style: none;
    padding-left: 0 !important;
}

.check-list li {
    position: relative;
    padding-left: 25px;
}

.check-list li::before {
    content: "";
    position: absolute;
    top: 0.66em;
    left: 0;
    width: 10px;
    height: 4px;
    border-left: 2px solid var(--red);
    border-bottom: 2px solid var(--red);
    transform: rotate(-45deg);
    pointer-events: none;
}

.aside-card {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.aside-card h2,
.aside-card h3 {
    margin-bottom: 12px;
    font-size: 18px;
}

.aside-card p {
    color: var(--muted);
    font-size: 13px;
}

.aside-links {
    display: grid;
}

.aside-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.aside-links a::after {
    content: "›";
    color: var(--red-bright);
}

.aside-links a:hover {
    color: #fff;
}

.faq-list {
    display: grid;
    gap: 10px;
}

.faq-list details {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.faq-list summary {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 18px;
    color: #fff;
    font-weight: 800;
    cursor: pointer;
    list-style: none;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";
    color: var(--red-bright);
    font-size: 23px;
    font-weight: 400;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list details p {
    margin: 0;
    padding: 0 18px 18px;
    color: var(--muted);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.related-card {
    min-height: 145px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    transition: border-color 0.18s ease, transform 0.18s ease;
}

.related-card:hover {
    border-color: var(--red-line);
    transform: translateY(-2px);
}

.related-card strong {
    color: #fff;
}

.related-card span {
    color: var(--muted);
    font-size: 13px;
}

.closing-note {
    padding: 26px;
    border: 1px solid var(--red-line);
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255, 31, 50, 0.09), var(--panel));
}

.closing-note h2 {
    font-size: 24px;
}

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

.rank-table {
    display: grid;
    gap: 10px;
}

.rank-row {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr) 170px;
    gap: 16px;
    align-items: start;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.rank-row .rank-num {
    color: var(--red);
    font-size: 28px;
    font-weight: 950;
}

.rank-row h3 {
    margin-bottom: 7px;
    font-size: 19px;
}

.rank-row p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.rank-meta {
    text-align: right;
}

.rank-meta span {
    display: block;
    color: var(--quiet);
    font-size: 12px;
}

.rank-meta strong {
    display: block;
    margin-top: 8px;
    color: var(--red-bright);
    font-size: 13px;
}

.editorial-timeline {
    display: grid;
    gap: 13px;
}

.editorial-step {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.editorial-step > strong {
    color: var(--red-bright);
}

.editorial-step p {
    margin: 0;
    color: var(--muted);
}

.notice-box {
    padding: 20px;
    border: 1px solid var(--red-line);
    border-radius: 7px;
    background: rgba(255, 31, 50, 0.06);
}

.notice-box h3 {
    margin-bottom: 10px;
}

.notice-box p,
.notice-box li {
    color: var(--muted);
}

.service-flow {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    counter-reset: flow;
}

.service-step {
    position: relative;
    min-height: 210px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
    counter-increment: flow;
}

.service-step::before {
    content: "0" counter(flow);
    display: block;
    margin-bottom: 15px;
    color: var(--red);
    font-size: 25px;
    font-weight: 950;
}

.service-step h3 {
    font-size: 19px;
}

.service-step p {
    color: var(--muted);
    font-size: 13px;
}

.download-checks {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.download-check {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.download-check h3 {
    margin-bottom: 8px;
}

.download-check p {
    color: var(--muted);
}

.site-footer {
    position: relative;
    z-index: 1;
    padding: 54px 0 24px;
    border-top: 1px solid var(--red-line);
    background: #050506;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(240px, 1.5fr) repeat(4, minmax(140px, 0.75fr));
    gap: 26px;
}

.footer-brand p {
    max-width: 390px;
    margin-top: 20px;
    color: var(--quiet);
    font-size: 13px;
}

.footer-brand-link {
    min-height: 52px;
}

.footer-column h2 {
    margin-bottom: 14px;
    color: #fff;
    font-size: 15px;
}

.footer-column a {
    min-height: 36px;
    display: flex;
    align-items: center;
    color: var(--quiet);
    font-size: 13px;
}

.footer-column a:hover {
    color: var(--red-bright);
}

.footer-note {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 36px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: var(--quiet);
    font-size: 12px;
}

.footer-note p:first-child {
    max-width: 820px;
}

.site-overlay {
    position: fixed;
    inset: 0;
    z-index: 1050;
    visibility: hidden;
    opacity: 0;
    background: rgba(0, 0, 0, 0.72);
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.channel-open .site-overlay,
.search-open .site-overlay,
.menu-open .site-overlay {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.channel-panel {
    position: fixed;
    top: var(--desktop-header);
    right: 0;
    left: 0;
    z-index: 1120;
    max-height: calc(100dvh - var(--desktop-header));
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-24px);
    border-top: 1px solid var(--red-line);
    border-bottom: 1px solid var(--red-line);
    background: rgba(13, 14, 17, 0.99);
    box-shadow: var(--shadow);
    pointer-events: none;
    transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s ease;
}

.channel-open .channel-panel {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 24px;
}

.panel-head h2,
.search-heading h2 {
    margin-bottom: 0;
    font-size: 26px;
}

.panel-close {
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-soft);
    color: #fff;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
}

.panel-close:hover {
    border-color: var(--red-line);
    background: rgba(255, 31, 50, 0.12);
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    padding-top: 20px;
    padding-bottom: 28px;
}

.channel-grid section {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
}

.channel-grid h3 {
    margin-bottom: 12px;
    color: var(--red-bright);
    font-size: 15px;
}

.channel-grid a {
    display: block;
    min-height: 66px;
    padding: 11px 0;
    border-top: 1px solid var(--line);
}

.channel-grid a:first-of-type {
    border-top: 0;
}

.channel-grid strong,
.channel-grid span {
    display: block;
}

.channel-grid strong {
    color: #fff;
    font-size: 14px;
}

.channel-grid span {
    margin-top: 3px;
    color: var(--quiet);
    font-size: 12px;
    line-height: 1.45;
}

.channel-grid a:hover strong {
    color: var(--red-bright);
}

.search-panel {
    position: fixed;
    inset: var(--desktop-header) 0 auto;
    z-index: 1140;
    display: flex;
    justify-content: center;
    max-height: calc(100dvh - var(--desktop-header));
    padding: 24px 18px;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-18px);
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
}

.search-open .search-panel {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.search-card {
    width: min(920px, 100%);
    padding: 26px;
    border: 1px solid var(--red-line);
    border-radius: 9px;
    background: rgba(13, 14, 17, 0.99);
    box-shadow: var(--shadow);
}

.search-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.search-field {
    display: block;
    margin-top: 20px;
}

.search-field input {
    width: 100%;
    height: 52px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
    color: #fff;
}

.search-field input::placeholder {
    color: var(--quiet);
}

.search-tip {
    margin: 10px 0 0;
    color: var(--quiet);
    font-size: 12px;
}

.search-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.search-keywords button {
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
    color: var(--muted);
    cursor: pointer;
}

.search-keywords button:hover {
    border-color: var(--red-line);
    color: #fff;
}

.search-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.search-links a {
    min-height: 78px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 13px 15px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
}

.search-links a:hover {
    border-color: var(--red-line);
}

.search-links strong,
.search-links span {
    display: block;
}

.search-links strong {
    color: #fff;
}

.search-links span {
    margin-top: 3px;
    color: var(--quiet);
    font-size: 12px;
}

.search-empty {
    margin: 20px 0 0;
    padding: 15px;
    border: 1px solid var(--line);
    color: var(--muted);
    text-align: center;
}

.mobile-menu {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 1220;
    width: min(420px, 90vw);
    max-width: 90vw;
    overflow-y: auto;
    visibility: hidden;
    transform: translateX(102%);
    background: var(--bg-soft);
    box-shadow: -20px 0 46px rgba(0, 0, 0, 0.52);
    pointer-events: none;
    transition: transform 0.22s ease, visibility 0.22s ease;
}

.menu-open .mobile-menu {
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;
}

.mobile-menu-head {
    position: sticky;
    top: 0;
    z-index: 2;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(13, 14, 17, 0.98);
}

.mobile-menu-brand {
    display: inline-flex;
    min-width: 0;
}

.mobile-menu-links {
    display: grid;
    padding: 10px 16px 22px;
}

.mobile-menu-links a {
    min-height: 50px;
    display: flex;
    align-items: center;
    padding: 0 13px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-weight: 700;
}

.mobile-menu-links a:hover,
.mobile-menu-links a.is-active {
    color: #fff;
    background: rgba(255, 31, 50, 0.07);
}

.mobile-menu-links a.is-active {
    border-left: 3px solid var(--red);
}

.mobile-menu-note {
    margin: 0 16px 28px;
    padding: 16px;
    border: 1px solid var(--red-line);
    border-radius: 6px;
    background: rgba(255, 31, 50, 0.06);
}

.mobile-menu-note strong {
    color: #fff;
}

.mobile-menu-note p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 1120px) {
    .brand-slogan {
        display: none;
    }

    .brandbar-inner {
        grid-template-columns: minmax(190px, 1fr) auto;
    }

    .fact-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .fact-card:nth-child(4),
    .fact-card:nth-child(5) {
        min-height: 280px;
    }

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

    .footer-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 980px) {
    .hero-layout,
    .feature-list-layout,
    .society-layout,
    .hour-layout,
    .callout-layout,
    .app-layout,
    .about-layout,
    .content-layout {
        grid-template-columns: 1fr;
    }

    .hero-side {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto;
    }

    .hero-briefs {
        grid-row: span 2;
    }

    .hot-list {
        grid-template-columns: 1fr;
    }

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

    .card-grid .news-card:nth-child(1),
    .card-grid .news-card:nth-child(5) {
        grid-column: span 1;
    }

    .mosaic-card,
    .mosaic-card:nth-child(1),
    .mosaic-card:nth-child(2),
    .mosaic-card:nth-child(5),
    .mosaic-card:nth-child(6) {
        grid-column: span 6;
    }

    .hour-visual,
    .content-aside {
        position: static;
    }

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

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

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

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

@media (max-width: 860px) {
    :root {
        --mobile-header: 106px;
    }

    .shell {
        width: min(calc(100% - 28px), var(--shell));
    }

    .desktop-brandbar,
    .desktop-primary {
        display: none;
    }

    .mobile-brandbar {
        height: 64px;
        display: grid;
        grid-template-columns: 52px minmax(0, 1fr) 52px;
        align-items: center;
        gap: 12px;
        padding: 0 14px;
        border-bottom: 1px solid var(--line);
    }

    .mobile-square,
    .mobile-hour {
        width: 48px;
        height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--line);
        border-radius: 6px;
        background: var(--panel);
        color: #fff;
        font-weight: 850;
        cursor: pointer;
    }

    .mobile-hour {
        border-color: var(--red-line);
        background: linear-gradient(135deg, var(--red-bright), var(--red-deep));
        font-size: 13px;
    }

    .mobile-brand-link {
        min-width: 0;
        display: flex;
        justify-content: center;
    }

    .mobile-brand-link .brand-wordmark {
        align-items: center;
    }

    .mobile-brand-link .brand-wordmark strong {
        font-size: 22px;
    }

    .mobile-brand-link .brand-wordmark small {
        margin-top: 5px;
        font-size: 8px;
    }

    .mobile-brand-link .brand-logo-image {
        max-width: 170px;
        max-height: 45px;
    }

    .topic-strip {
        height: 42px;
    }

    .site-main {
        padding-top: calc(var(--mobile-header) + 14px);
    }

    .channel-panel,
    .search-panel {
        top: var(--mobile-header);
        max-height: calc(100dvh - var(--mobile-header));
    }

    .channel-panel {
        display: none;
    }

    .channel-open .channel-panel {
        display: none;
    }

    .header-channel {
        display: none;
    }

    .page-section {
        padding: 42px 0;
    }

    .hero-newsroom {
        padding-top: 16px;
    }

    .hero-main .content-image,
    .hero-main .media-fallback {
        min-height: 360px;
    }

    .hero-main-copy {
        margin: -80px 14px 14px;
        padding: 20px;
    }

    .hero-main-copy h1 {
        font-size: clamp(29px, 8vw, 48px);
    }

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

    .hero-briefs {
        grid-row: auto;
    }

    .inner-hero {
        padding-top: 18px;
    }

    .inner-hero-card {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .inner-hero-copy h1 {
        font-size: clamp(34px, 10vw, 56px);
    }

    .timeline-card {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .timeline-card .more-link {
        justify-content: flex-start;
    }

    .hour-item {
        grid-template-columns: 100px minmax(0, 1fr);
    }

    .hour-channel {
        grid-column: 1;
    }

    .hour-copy {
        grid-column: 2;
        grid-row: 1 / span 2;
    }

    .hour-item .more-link {
        grid-column: 2;
        justify-content: flex-start;
    }

    .footer-note {
        flex-direction: column;
        gap: 8px;
    }

    .mobile-bottom-nav {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 950;
        min-height: calc(62px + env(safe-area-inset-bottom));
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        padding: 5px 6px env(safe-area-inset-bottom);
        border-top: 1px solid var(--line);
        background: rgba(7, 8, 9, 0.97);
        backdrop-filter: blur(18px);
    }

    .mobile-bottom-nav a,
    .mobile-bottom-nav button {
        min-width: 0;
        min-height: 52px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1px;
        border: 0;
        border-radius: 6px;
        background: transparent;
        color: var(--quiet);
        cursor: pointer;
    }

    .mobile-bottom-nav span {
        font-size: 15px;
        font-weight: 900;
    }

    .mobile-bottom-nav strong {
        font-size: 10px;
        font-weight: 800;
    }

    .mobile-bottom-nav a.is-active {
        background: rgba(255, 31, 50, 0.1);
        color: var(--red-bright);
    }

    body {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }

    .site-footer {
        padding-bottom: 28px;
    }
}

@media (max-width: 680px) {
    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .hero-main .content-image,
    .hero-main .media-fallback {
        min-height: 300px;
    }

    .media-fallback strong {
        font-size: 28px;
    }

    .hot-item {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 12px;
    }

    .hot-side {
        grid-column: 2;
        align-items: flex-start;
        flex-direction: row;
        flex-wrap: wrap;
        text-align: left;
    }

    .story-row {
        grid-template-columns: 1fr;
    }

    .story-row .more-link {
        justify-content: flex-start;
    }

    .card-grid,
    .fact-grid,
    .topic-grid,
    .principle-grid,
    .article-columns,
    .content-aside,
    .related-grid,
    .search-links,
    .download-checks {
        grid-template-columns: 1fr;
    }

    .mosaic-card,
    .mosaic-card:nth-child(1),
    .mosaic-card:nth-child(2),
    .mosaic-card:nth-child(5),
    .mosaic-card:nth-child(6) {
        grid-column: span 12;
        min-height: 250px;
    }

    .callout-rules,
    .app-services,
    .service-flow {
        grid-template-columns: 1fr;
    }

    .article-section {
        padding: 21px;
    }

    .rank-row {
        grid-template-columns: 48px minmax(0, 1fr);
    }

    .rank-meta {
        grid-column: 2;
        text-align: left;
    }

    .editorial-step {
        grid-template-columns: 1fr;
        gap: 8px;
    }

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

    .search-card {
        padding: 20px;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 430px) {
    .shell {
        width: calc(100% - 28px);
    }

    .mobile-brandbar {
        grid-template-columns: 48px minmax(0, 1fr) 48px;
        gap: 8px;
        padding-inline: 10px;
    }

    .mobile-square,
    .mobile-hour {
        width: 44px;
    }

    .mobile-brand-link .brand-wordmark strong {
        font-size: 20px;
    }

    .mobile-brand-link .brand-logo-image {
        max-width: 145px;
    }

    .hero-main-copy h1 {
        font-size: 29px;
    }

    .hero-main-copy p,
    .inner-hero-copy p {
        font-size: 14px;
    }

    .button-row {
        align-items: stretch;
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hour-item {
        grid-template-columns: 1fr;
    }

    .hour-channel,
    .hour-copy,
    .hour-item .more-link {
        grid-column: 1;
        grid-row: auto;
    }

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

    .footer-brand {
        grid-column: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 焦点图缺失时仅保留几何背景，避免备用文字与前景标题叠压。 */
.hero-main > .media-fallback > span,
.hero-main > .media-fallback > strong {
    display: none;
}