@font-face {
    font-family: "Outfit";
    src: url("./fonts/outfit-variable.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "DM Mono";
    src: url("./fonts/dm-mono-regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Noto Serif SC";
    src: url("./fonts/noto-serif-sc-v7.woff2") format("woff2");
    font-weight: 400 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Syne";
    src: url("./fonts/syne-variable.woff2") format("woff2");
    font-weight: 400 800;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg: #07101f;
    --bg-soft: #0b1729;
    --panel: rgba(13, 28, 49, 0.72);
    --panel-strong: #101f35;
    --text: #f6f8ff;
    --muted: #b7c4d8;
    --quiet: #76869d;
    --line: rgba(151, 184, 226, 0.16);
    --accent: #59e4ff;
    --accent-rgb: 89, 228, 255;
    --accent-two: #7288ff;
    --shell: min(1240px, calc(100vw - 40px));
    --nav-height: 76px;
}

html[lang="zh-CN"] {
    --muted: #bdc8da;
    --quiet: #7d8ba0;
}

.theme-prompt {
    --accent: #7d8fff;
    --accent-rgb: 125, 143, 255;
    --accent-two: #b17cff;
}

.theme-capture {
    --accent: #59e4ff;
    --accent-rgb: 89, 228, 255;
    --accent-two: #54efc3;
}

.theme-workflow {
    --accent: #b17cff;
    --accent-rgb: 177, 124, 255;
    --accent-two: #59e4ff;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 280px;
    overflow-x: hidden;
    color: var(--text);
    background:
        radial-gradient(circle at 82% 4%, rgba(var(--accent-rgb), 0.13), transparent 28rem),
        radial-gradient(circle at 8% 45%, rgba(114, 136, 255, 0.08), transparent 30rem),
        linear-gradient(180deg, #081221 0%, var(--bg) 46%, #050b15 100%);
    font-family: "Outfit", system-ui, sans-serif;
    line-height: 1.65;
}

html[lang="zh-CN"] body {
    font-family: "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    letter-spacing: 0.012em;
}

html[lang="en"] body {
    line-height: 1.6;
}

html[lang="en"] h1,
html[lang="en"] h2,
html[lang="en"] h3 {
    font-family: "Syne", "Outfit", sans-serif;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3 {
    font-family: "Noto Serif SC", "Songti SC", serif;
}

a {
    color: inherit;
}

a:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 5px;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 12px;
    left: 12px;
    transform: translateY(-160%);
    padding: 10px 14px;
    border-radius: 8px;
    color: #04101a;
    background: var(--accent);
    font-weight: 700;
    transition: transform 160ms ease;
}

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

.shell {
    width: var(--shell);
    margin-inline: auto;
}

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 400;
    height: var(--nav-height);
    transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
    border-bottom: 1px solid var(--line);
    background: rgba(4, 9, 18, 0.78);
    backdrop-filter: blur(18px);
}

.nav,
.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.brand img {
    display: block;
    width: 172px;
    height: 48px;
    object-fit: contain;
    object-position: left center;
}

.nav-actions,
.header-actions {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.nav-actions a,
.header-actions a {
    white-space: nowrap;
}

.nav-links {
    display: none;
}

.header-home,
.global-link,
.header-link {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    padding: 0.55rem 0.15rem;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 160ms ease;
}

.header-home:hover,
.global-link:hover,
.header-link:hover {
    color: var(--text);
}

.nav-cta,
.header-cta {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    color: var(--text);
    background: linear-gradient(115deg, #1a9ff4, #376ef6 54%, #7655f2);
    box-shadow: 0 12px 32px rgba(46, 116, 246, 0.24);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta:hover,
.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px rgba(46, 116, 246, 0.34);
}

.external-icon {
    width: 0.9em;
    height: 0.9em;
    flex: 0 0 auto;
    transition: transform 160ms ease;
}

a:hover .external-icon {
    transform: translate(2px, -2px);
}

.menu-button {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    cursor: pointer;
}

.menu-button span,
.menu-button span::before,
.menu-button span::after {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button span {
    position: relative;
}

.menu-button span::before,
.menu-button span::after {
    position: absolute;
    left: 0;
    content: "";
}

.menu-button span::before {
    top: -6px;
}

.menu-button span::after {
    top: 6px;
}

.menu-button[aria-expanded="true"] span {
    background: transparent;
}

.menu-button[aria-expanded="true"] span::before {
    transform: translateY(6px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span::after {
    transform: translateY(-6px) rotate(-45deg);
}

.hero {
    position: relative;
    isolation: isolate;
    padding: calc(var(--nav-height) + 72px) 0 76px;
}

.hero::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgba(115, 145, 185, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(115, 145, 185, 0.055) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
    content: "";
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 36px;
    color: var(--quiet);
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
}

.breadcrumb a {
    text-decoration: none;
}

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

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(310px, 0.82fr);
    gap: clamp(52px, 8vw, 110px);
    align-items: center;
}

.eyebrow,
.section-label {
    margin: 0 0 16px;
    color: var(--accent);
    font-family: "DM Mono", monospace;
    font-size: 0.74rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: break-word;
}

h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2.8rem, 6.7vw, 5.9rem);
    font-weight: 560;
    letter-spacing: -0.052em;
    line-height: 0.98;
}

html[lang="zh-CN"] h1 {
    font-size: clamp(2.65rem, 6vw, 5.35rem);
    font-weight: 650;
    letter-spacing: -0.055em;
    line-height: 1.08;
}

.accent-word {
    color: transparent;
    background: linear-gradient(120deg, var(--accent), var(--accent-two));
    background-clip: text;
    -webkit-background-clip: text;
}

.lede {
    max-width: 690px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    line-height: 1.78;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button-primary,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    min-height: 48px;
    padding: 0.76rem 1.25rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.button-primary {
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--text);
    background: linear-gradient(115deg, #1a9ff4, #376ef6 54%, #7655f2);
    box-shadow: 0 12px 32px rgba(46, 116, 246, 0.24);
}

.button-secondary {
    border: 1px solid var(--line);
    color: var(--muted);
    background: rgba(255, 255, 255, 0.035);
}

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

.button-primary:hover {
    box-shadow: 0 18px 42px rgba(46, 116, 246, 0.34);
}

.button-secondary:hover {
    border-color: rgba(111, 222, 255, 0.34);
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.signal-panel {
    position: relative;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: linear-gradient(160deg, rgba(var(--accent-rgb), 0.1), rgba(9, 21, 39, 0.9));
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.25);
}

.signal-panel::before {
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(var(--accent-rgb), 0.12);
    border-radius: 16px;
    pointer-events: none;
    content: "";
}

.signal-top {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 4px 4px 18px;
    color: var(--quiet);
    font-family: "DM Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.signal-flow {
    position: relative;
    display: grid;
    gap: 10px;
    padding: 16px;
}

.signal-item {
    position: relative;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 64px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    color: var(--muted);
    background: rgba(7, 16, 31, 0.76);
}

.signal-item strong {
    min-width: 0;
    color: var(--text);
    font-weight: 620;
}

.signal-item span {
    color: var(--accent);
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
}

.signal-item:nth-child(2) {
    margin-inline: 18px -18px;
}

.signal-item:nth-child(3) {
    margin-inline: -10px 10px;
}

.proof-strip {
    border-block: 1px solid var(--line);
    background: rgba(5, 13, 25, 0.66);
}

.proof-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.proof-item {
    padding: 22px 28px;
    color: var(--muted);
    text-align: center;
}

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

.proof-item strong {
    display: block;
    margin-bottom: 2px;
    color: var(--text);
    font-weight: 620;
}

.content-section {
    padding: 96px 0;
}

.content-section.compact {
    padding-top: 18px;
}

.section-intro {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(34px, 7vw, 96px);
    align-items: start;
    margin-bottom: 46px;
}

.section-intro h2 {
    margin: 0;
    font-size: clamp(2rem, 4.2vw, 3.7rem);
    font-weight: 560;
    letter-spacing: -0.04em;
    line-height: 1.08;
}

html[lang="zh-CN"] .section-intro h2 {
    font-weight: 650;
    line-height: 1.18;
}

.section-intro > div > p:last-child,
.section-copy {
    margin: 0;
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.82;
}

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

.info-card {
    min-height: 250px;
    padding: 30px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: linear-gradient(145deg, rgba(15, 30, 51, 0.66), rgba(7, 16, 31, 0.36));
}

.card-index {
    color: var(--accent);
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
}

.info-card h3 {
    margin: 42px 0 12px;
    font-size: 1.28rem;
    font-weight: 620;
    line-height: 1.35;
}

.info-card p {
    margin: 0;
    color: var(--muted);
}

.steps {
    display: grid;
    gap: 14px;
    counter-reset: workflow;
}

.step {
    display: grid;
    grid-template-columns: 72px minmax(180px, 0.55fr) minmax(0, 1fr);
    gap: 28px;
    align-items: center;
    padding: 24px 26px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(11, 23, 41, 0.58);
    counter-increment: workflow;
}

.step::before {
    color: var(--accent);
    font-family: "DM Mono", monospace;
    content: "0" counter(workflow);
}

.step h3 {
    margin: 0;
    font-size: 1.08rem;
    font-weight: 650;
}

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

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

.use-case {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.022);
}

.use-case h3 {
    margin: 0 0 8px;
    font-size: 1.18rem;
    font-weight: 640;
}

.use-case p {
    margin: 0;
    color: var(--muted);
}

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    padding: 22px 2px;
    cursor: pointer;
    color: var(--text);
    font-size: 1.06rem;
    font-weight: 620;
}

.faq-list details p {
    max-width: 780px;
    margin: -6px 0 24px;
    color: var(--muted);
}

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

.related-card {
    display: block;
    min-height: 180px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(var(--accent-rgb), 0.08), rgba(255, 255, 255, 0.018));
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease;
}

.related-card:hover {
    transform: translateY(-3px);
    border-color: rgba(var(--accent-rgb), 0.48);
}

.related-card span {
    color: var(--accent);
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.related-card h3 {
    margin: 28px 0 6px;
    font-size: 1.25rem;
}

.related-card p {
    margin: 0;
    color: var(--muted);
}

.closing-panel {
    position: relative;
    overflow: hidden;
    padding: clamp(36px, 7vw, 74px);
    border: 1px solid var(--line);
    border-radius: 26px;
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.15), rgba(12, 25, 44, 0.94) 62%);
}

.closing-panel::after {
    position: absolute;
    width: 320px;
    height: 320px;
    right: -120px;
    bottom: -170px;
    border: 1px solid rgba(var(--accent-rgb), 0.28);
    border-radius: 50%;
    box-shadow: 0 0 0 42px rgba(var(--accent-rgb), 0.035), 0 0 0 84px rgba(var(--accent-rgb), 0.025);
    content: "";
}

.closing-panel h2 {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0;
    font-size: clamp(2rem, 4.4vw, 3.8rem);
    font-weight: 580;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.closing-panel p,
.closing-panel .hero-actions {
    position: relative;
    z-index: 1;
}

.closing-panel p {
    max-width: 690px;
    margin: 20px 0 0;
    color: var(--muted);
}

.site-footer {
    position: relative;
    margin-top: 6rem;
    border-top: 1px solid var(--line);
    background: radial-gradient(circle at 8% 30%, rgba(89, 228, 255, 0.055), transparent 24rem), linear-gradient(180deg, rgba(5, 13, 24, 0.9), rgba(3, 8, 15, 0.98));
}

.site-footer::before {
    position: absolute;
    top: -1px;
    left: 0;
    width: min(32%, 430px);
    height: 2px;
    background: linear-gradient(90deg, #59e4ff, #2d83ff, #7a5cff);
    content: "";
}

.footer-main {
    display: grid;
    grid-template-columns: minmax(300px, 5fr) minmax(145px, 2fr) minmax(190px, 3fr) minmax(160px, 2fr);
    gap: clamp(2rem, 4vw, 4.5rem);
    padding: 4.8rem 0 3.8rem;
}

.footer-brand-block img {
    width: min(100%, 238px);
    height: auto;
    object-fit: contain;
    object-position: left center;
}

.footer-tagline {
    max-width: 430px;
    margin: 1.5rem 0 0.75rem;
    color: var(--text);
    font-family: "Syne", "Outfit", sans-serif;
    font-size: 1.22rem;
    font-weight: 650;
    line-height: 1.5;
    text-wrap: balance;
}

html[lang="zh-CN"] .footer-tagline {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 1.35rem;
    font-weight: 700;
}

.footer-summary {
    max-width: 430px;
    margin: 0 0 1.35rem;
    color: var(--quiet);
    font-size: 0.93rem;
    line-height: 1.8;
}

.footer-email {
    display: inline-flex;
    margin-bottom: 1.35rem;
    color: var(--muted);
    font-size: 0.92rem;
    text-decoration: none;
}

.footer-email:hover {
    color: #59e4ff;
}

.footer-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.footer-socials a {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.82rem;
    text-decoration: none;
    transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.footer-socials a:hover {
    border-color: rgba(89, 228, 255, 0.34);
    background: rgba(89, 228, 255, 0.055);
    color: var(--text);
}

.footer-column-title {
    margin: 0 0 1.25rem;
    color: #59e4ff;
    font-family: "DM Mono", "Microsoft YaHei", monospace !important;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.footer-nav {
    display: grid;
    gap: 0.82rem;
}

.footer-nav a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.8rem;
    color: var(--quiet);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 160ms ease, transform 160ms ease;
}

.footer-nav a:hover {
    color: var(--text);
    transform: translateX(3px);
}

.footer-link-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #5f7088;
    font-family: "DM Mono", "Microsoft YaHei", monospace;
    font-size: 0.68rem;
    white-space: nowrap;
}

.footer-brand-links a {
    width: fit-content;
    justify-content: flex-start;
    gap: 0.75rem;
}

.footer-current {
    color: var(--muted) !important;
}

.footer-bottom {
    border-top: 1px solid var(--line);
}

.footer-bottom-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    color: #69788e;
    font-size: 0.78rem;
}

.footer-company {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
}

.footer-market {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    white-space: nowrap;
}

.footer-market a {
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    color: var(--muted);
    text-decoration: none;
}

.footer-market a:hover {
    color: #59e4ff;
}

.error-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: calc(var(--nav-height) + 72px) 0 72px;
}

.error-code {
    display: block;
    margin-bottom: 16px;
    color: var(--accent);
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
}

.error-page .closing-panel h1 {
    max-width: 820px;
    font-size: clamp(2.5rem, 6.4vw, 5.6rem);
}

.error-page .closing-panel p {
    max-width: 760px;
    font-size: 1.05rem;
}

@media (max-width: 860px) {
    :root {
        --nav-height: 68px;
    }

    .brand img {
        width: 146px;
        height: 42px;
    }

    .menu-button {
        display: inline-flex;
    }

    .nav-actions > .header-home,
    .nav-actions > .nav-cta,
    .nav-actions > .global-link {
        display: none;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        right: 14px;
        left: 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.65rem;
        border: 1px solid var(--line);
        border-radius: 20px;
        background: rgba(6, 15, 27, 0.97);
        box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links a {
        min-height: 48px;
        display: flex;
        align-items: center;
        gap: 0.45rem;
        padding: 0.5rem 0.85rem;
        border-radius: 12px;
        color: var(--muted);
        font-size: 0.92rem;
        text-decoration: none;
    }

    .nav-links a:hover {
        color: var(--text);
        background: rgba(255, 255, 255, 0.05);
    }

    .footer-main {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2.5rem 1.5rem;
    }

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

@media (max-width: 820px) {
    .hero-grid,
    .section-intro {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        gap: 48px;
    }

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

    .step {
        grid-template-columns: 42px 1fr;
    }

    .step p {
        grid-column: 2;
    }

    .proof-inner {
        grid-template-columns: 1fr;
    }

    .proof-item + .proof-item {
        border-top: 1px solid var(--line);
        border-left: 0;
    }
}

@media (max-width: 620px) {
    :root {
        --shell: min(calc(100% - 28px), 1240px);
    }

    .brand img {
        width: 128px;
        height: 38px;
    }

    .header-link.home-link {
        display: none;
    }

    .header-cta {
        padding: 8px 12px;
        font-size: 0.82rem;
    }

    .hero {
        padding: calc(var(--nav-height) + 48px) 0 62px;
    }

    .breadcrumb {
        margin-bottom: 28px;
    }

    h1,
    html[lang="zh-CN"] h1 {
        font-size: clamp(2.45rem, 12vw, 4rem);
        overflow-wrap: anywhere;
    }

    .signal-panel {
        padding: 16px 8px;
    }

    .signal-item:nth-child(2),
    .signal-item:nth-child(3) {
        margin-inline: 0;
    }

    .content-section {
        padding: 72px 0;
    }

    .use-case-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .info-card,
    .use-case,
    .related-card {
        padding: 24px;
    }

    .step {
        gap: 16px;
        padding: 20px;
    }

    .footer-main {
        padding-block: 3.8rem 3rem;
    }

    .footer-bottom-inner {
        min-height: 0;
        align-items: flex-start;
        flex-direction: column;
        padding-block: 1.6rem;
    }

    .error-page {
        min-height: calc(100vh - 65px);
        padding: 48px 0;
    }
}

@media (max-width: 360px) {
    .header-inner {
        gap: 12px;
    }

    .brand img {
        width: 110px;
    }

    .header-actions {
        gap: 5px;
    }

    .header-link {
        padding-inline: 6px;
    }

    .header-cta {
        padding-inline: 10px;
        font-size: 0.76rem;
    }

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

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

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