:root {
            --ink: #07111f;
            --muted: #4f6073;
            --soft: #f5f8f9;
            --line: #d9e1ea;
            --teal: #0f7c80;
            --teal-soft: #e8f5f3;
            --orange: #f47a18;
            --orange-soft: #fff2e8;
            --navy: #071827;
            --shadow: 0 20px 58px rgba(7, 17, 31, 0.08);
            color-scheme: light;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background:
                linear-gradient(180deg, #f7fbfc 0, #ffffff 260px, #ffffff 100%);
            color: var(--ink);
            font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 15px;
            line-height: 1.55;
            letter-spacing: 0;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        body.lang-zh {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
            line-height: 1.72;
        }
        body:not(.lang-zh) .i18n-zh,
        body.lang-en .i18n-zh,
        body.lang-zh .i18n-en,
        html.lang-en-root .i18n-zh,
        html.lang-zh-root .i18n-en { display: none !important; }
        a { color: inherit; }
        img { max-width: 100%; display: block; }
        .asset-picture { display: block; width: 100%; height: 100%; }
        .asset-picture img { width: 100%; height: 100%; object-fit: cover; }
        .page-shell {
            width: min(100% - 44px, 1500px);
            margin: 0 auto;
            border: 1px solid rgba(202, 211, 221, 0.82);
            border-radius: 8px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow);
        }
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 80;
            width: min(100% - 44px, 1500px);
            min-height: 68px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: minmax(220px, 1fr) minmax(0, auto) minmax(250px, 1fr);
            gap: 14px;
            align-items: center;
            padding: 12px 22px;
            border: 1px solid rgba(202, 211, 221, 0.82);
            border-bottom: 0;
            border-radius: 8px 8px 0 0;
            background: rgba(255, 255, 255, 0.88);
            box-shadow: 0 14px 44px rgba(7, 17, 31, 0.055);
            backdrop-filter: blur(22px) saturate(1.15);
            -webkit-backdrop-filter: blur(22px) saturate(1.15);
        }
        .brand-home {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-height: 44px;
            min-width: 0;
            text-decoration: none;
        }
        .site-logo { width: 42px; height: 42px; flex: 0 0 auto; }
        .brand-home b {
            display: block;
            font-size: 18px;
            line-height: 1.05;
            font-weight: 840;
        }
        .brand-home small {
            display: block;
            margin-top: 3px;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.1;
            font-weight: 760;
        }
        .nav-center {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 22px;
            min-width: 0;
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 36px;
            color: #172033;
            text-decoration: none;
            font-size: 13.5px;
            font-weight: 780;
            white-space: nowrap;
        }
        .nav-link.active::after,
        .nav-link:hover::after {
            content: "";
            position: absolute;
            left: 12%;
            right: 12%;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--teal);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 8px;
            min-width: 0;
        }
        .nav-lang,
        .nav-site-button {
            min-height: 40px;
            border: 1px solid rgba(201, 211, 221, .86);
            border-radius: 6px;
            background: rgba(255, 255, 255, .92);
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 0 15px;
            text-decoration: none;
            font-size: 13px;
            font-weight: 800;
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-site-button.research { border-color: rgba(15, 124, 128, 0.45); color: #0b666a; }
        .nav-site-button.travel { border-color: rgba(244, 122, 24, 0.48); color: #b74c08; }
        .language-dropdown { position: relative; }
        .language-menu {
            position: absolute;
            right: 0;
            top: calc(100% + 8px);
            min-width: 168px;
            padding: 7px;
            border: 1px solid var(--line);
            border-radius: 8px;
            background: #fff;
            box-shadow: 0 18px 44px rgba(7, 17, 31, 0.12);
            opacity: 0;
            transform: translateY(-4px);
            pointer-events: none;
            transition: opacity .18s ease, transform .18s ease;
        }
        .language-dropdown.is-open .language-menu {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .language-option {
            width: 100%;
            min-height: 44px;
            border: 0;
            border-radius: 6px;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 9px 10px;
            color: var(--ink);
            text-decoration: none;
            font: inherit;
            font-size: 13px;
            cursor: pointer;
        }
        .language-option.active,
        .language-option:hover { background: var(--soft); }
        .hero-banner {
            position: relative;
            min-height: clamp(360px, 35vw, 500px);
            display: grid;
            place-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
            isolation: isolate;
        }
        .hero-banner .asset-picture {
            position: absolute;
            inset: 0;
            z-index: -2;
        }
        .hero-banner .asset-picture img { object-position: center 52%; }
        .hero-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background:
                linear-gradient(90deg, rgba(255,255,255,.82), rgba(255,255,255,.34) 44%, rgba(255,255,255,.04) 76%),
                linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.08) 43%, rgba(255,255,255,.05));
        }
        .hero-copy {
            width: min(790px, calc(100% - 56px));
            margin: 0 auto;
            padding: 48px 0 54px;
            text-align: center;
        }
        .hero-copy .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            color: #0a676c;
            font-size: 13px;
            font-weight: 830;
        }
        .hero-copy h1 {
            margin: 0;
            color: #07111f;
            font-size: 64px;
            line-height: .98;
            font-weight: 900;
            text-wrap: balance;
        }
        .hero-copy h1 .zh-line {
            display: block;
            margin-top: 12px;
            font-size: 36px;
            line-height: 1.16;
            font-weight: 880;
        }
        body.lang-zh .hero-copy h1 {
            font-size: 44px;
            line-height: 1.12;
        }
        body.lang-zh .hero-copy h1 .en-kicker {
            display: block;
            margin-bottom: 9px;
            font-size: 30px;
            line-height: 1.08;
        }
        .hero-copy p {
            width: min(690px, 100%);
            margin: 18px auto 0;
            color: #18253a;
            font-size: 17.5px;
            line-height: 1.62;
            font-weight: 600;
        }
        body.lang-zh .hero-copy p {
            width: min(680px, 100%);
            font-size: 17px;
            line-height: 1.78;
            font-weight: 620;
        }
        .product-row {
            display: grid;
            position: relative;
            grid-template-columns: minmax(310px, 390px) minmax(0, 1fr);
            gap: clamp(32px, 4vw, 58px);
            align-items: center;
            padding: clamp(36px, 4vw, 58px) clamp(42px, 5.4vw, 82px);
            border-bottom: 1px solid var(--line);
            background:
                linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,250,251,.94));
        }
        .travel-row {
            background:
                linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,249,244,.70));
        }
        .product-copy { min-width: 0; }
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0 0 5px;
        }
        .section-title .business-svg-icon {
            width: 34px;
            height: 34px;
            flex: 0 0 auto;
        }
        .research-row .business-svg-icon,
        .qa-section .business-svg-icon,
        .news-section .business-svg-icon { color: var(--teal); }
        .travel-row .business-svg-icon { color: var(--orange); }
        .section-title h2 {
            margin: 0;
            font-size: 28px;
            line-height: 1.1;
            font-weight: 900;
        }
        .product-subtitle {
            margin: 0 0 17px 46px;
            color: #172235;
            font-size: 15.5px;
            line-height: 1.35;
            font-weight: 720;
        }
        .product-copy p {
            max-width: 36em;
            margin: 0 0 20px;
            color: #223249;
            font-size: 14.5px;
            line-height: 1.62;
            font-weight: 560;
        }
        body.lang-zh .product-copy p,
        body.lang-zh .product-subtitle {
            line-height: 1.76;
        }
        body.lang-zh .product-copy p { max-width: 31em; }
        .feature-list {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .feature-list li {
            display: grid;
            grid-template-columns: 18px minmax(0, 1fr);
            gap: 9px;
            align-items: start;
            color: #172235;
            font-size: 14.5px;
            font-weight: 720;
        }
        .feature-list b {
            width: 16px;
            height: 16px;
            margin-top: 2px;
            border-radius: 999px;
            display: grid;
            place-items: center;
            color: #fff;
            font-size: 10px;
            line-height: 1;
        }
        .research-row .feature-list b { background: var(--teal); }
        .travel-row .feature-list b { background: var(--orange); }
        .screenshot-frame {
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(199, 210, 222, .92);
            border-radius: 8px;
            background: #fff;
            box-shadow: 0 16px 42px rgba(7, 17, 31, 0.075);
            transform: translateZ(0);
            transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
        }
        .screenshot-frame:hover {
            border-color: rgba(15, 124, 128, .38);
            box-shadow: 0 20px 52px rgba(7, 17, 31, 0.105);
            transform: translateY(-2px);
        }
        .research-shot-crop { aspect-ratio: 103 / 46; }
        .travel-shot-crop { aspect-ratio: 40 / 17; }
        .screenshot-frame .asset-picture img {
            object-fit: contain;
            object-position: center top;
        }
        .research-shot-crop .asset-picture img {
            object-position: center top;
        }
        .travel-shot-crop .asset-picture img { object-position: center top; }
        .matrix-language-shot { width: 100%; height: 100%; }
        body.lang-zh .matrix-language-shot.is-en,
        body:not(.lang-zh) .matrix-language-shot.is-zh { display: none; }
        .screenshot-label {
            position: absolute;
            left: 14px;
            top: 12px;
            padding: 5px 9px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.82);
            color: #243247;
            font-size: 12px;
            font-weight: 820;
            box-shadow: 0 8px 22px rgba(7,17,31,.10);
        }
        .qa-section,
        .news-section {
            padding: clamp(34px, 3.8vw, 54px) clamp(42px, 5.4vw, 82px);
            border-bottom: 1px solid var(--line);
            background: #fff;
        }
        .section-heading {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 20px;
            align-items: end;
            margin-bottom: 16px;
        }
        .section-heading p {
            max-width: 760px;
            margin: 7px 0 0 46px;
            color: var(--muted);
            font-weight: 610;
        }
        body.lang-zh .section-heading p {
            max-width: 780px;
            line-height: 1.78;
        }
        .section-action {
            min-height: 38px;
            border: 1px solid var(--line);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 0 18px;
            color: #0a1727;
            text-decoration: none;
            font-size: 13px;
            font-weight: 820;
            white-space: nowrap;
        }
        .qa-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 12px 16px;
        }
        .qa-grid details {
            border: 1px solid rgba(211, 220, 229, .94);
            border-radius: 6px;
            background: rgba(255, 255, 255, .86);
            overflow: hidden;
        }
        .qa-grid summary {
            min-height: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 0 18px;
            color: #132034;
            font-weight: 800;
            cursor: pointer;
            list-style: none;
        }
        .qa-grid summary::-webkit-details-marker { display: none; }
        .qa-grid summary::after {
            content: "+";
            color: var(--teal);
            font-size: 18px;
            line-height: 1;
            font-weight: 700;
        }
        .qa-grid details[open] summary::after { content: "-"; }
        .qa-grid p {
            margin: 0;
            padding: 0 18px 16px;
            color: var(--muted);
            font-size: 14px;
            font-weight: 560;
        }
        .daily-board {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: clamp(14px, 2vw, 22px);
        }
        .daily-card {
            border: 1px solid rgba(211, 220, 229, .94);
            border-radius: 8px;
            overflow: hidden;
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 10px 26px rgba(7, 17, 31, .045);
        }
        .daily-card h3 {
            margin: 0;
            padding: 10px 14px;
            border-bottom: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 16px;
            line-height: 1.1;
        }
        .daily-card h3 span:first-child { font-weight: 900; }
        .daily-card h3 a {
            color: var(--teal);
            font-size: 12px;
            text-decoration: none;
            font-weight: 800;
        }
        .daily-card.ai h3 { color: #194ed6; }
        .daily-card.technology h3 { color: #07863c; }
        .daily-card.musk h3 { color: #d95d00; }
        .updates-main-feed {
            display: grid;
            gap: 0;
        }
        .update-text-row,
        .update-skeleton-card {
            display: grid;
            gap: 2px;
            min-height: 56px;
            padding: 9px 14px;
            border-bottom: 1px solid #edf1f5;
            text-decoration: none;
            color: var(--ink);
        }
        .update-text-row:last-child,
        .update-skeleton-card:last-child { border-bottom: 0; }
        .item-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--muted);
            font-size: 11px;
            font-weight: 760;
        }
        .item-tag { display: none; }
        .item-title {
            margin: 0;
            overflow: hidden;
            color: #132034;
            font-size: 13px;
            line-height: 1.28;
            font-weight: 800;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .item-desc { display: none; }
        .updates-placeholder {
            margin: 0;
            padding: 18px 14px;
            color: var(--muted);
            font-size: 13px;
            font-weight: 620;
        }
        .update-skeleton-line {
            display: block;
            height: 9px;
            border-radius: 9px;
            background: linear-gradient(90deg, #eef3f7, #f7fafc, #eef3f7);
        }
        .update-skeleton-line.short { width: 30%; }
        .update-skeleton-line.medium { width: 55%; }
        .update-skeleton-line.long { width: 84%; }
        .site-footer {
            display: grid;
            grid-template-columns: minmax(240px, 1.05fr) minmax(170px, .75fr) minmax(230px, 1fr) minmax(220px, .86fr) minmax(150px, .7fr);
            gap: clamp(22px, 2.5vw, 34px);
            padding: 30px clamp(38px, 5vw, 70px) 18px;
            background:
                linear-gradient(135deg, rgba(15,124,128,.32), transparent 38%),
                linear-gradient(180deg, #071827, #08131f);
            color: #e8f1f6;
        }
        .footer-brand {
            display: grid;
            gap: 12px;
        }
        .footer-brand-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand-row .site-logo { background: rgba(255,255,255,.94); border-radius: 999px; }
        .footer-brand b {
            display: block;
            font-size: 18px;
            line-height: 1.08;
            font-weight: 880;
        }
        .footer-brand small,
        .footer-brand p,
        .footer-col span,
        .footer-bottom {
            color: rgba(232, 241, 246, 0.76);
        }
        .footer-brand p {
            margin: 0;
            font-size: 13px;
            line-height: 1.5;
        }
        .footer-col {
            display: grid;
            align-content: start;
            gap: 8px;
            font-size: 13px;
        }
        .footer-col h3 {
            margin: 0 0 5px;
            color: #fff;
            font-size: 14px;
            font-weight: 860;
        }
        .footer-col a {
            color: #fff;
            text-decoration: none;
            font-weight: 660;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            display: flex;
            justify-content: space-between;
            gap: 18px;
            padding-top: 14px;
            border-top: 1px solid rgba(255,255,255,.12);
            font-size: 12px;
        }
        .mobile-menu-glyph {
            display: none;
            width: 34px;
            height: 34px;
            border: 0;
            background: transparent;
            color: var(--ink);
            font-size: 23px;
            line-height: 1;
            cursor: pointer;
        }
        body[data-surface="mobile"] {
            background: #fff;
        }
        body[data-surface="mobile"] .site-nav {
            width: 100%;
            min-height: 49px;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 6px;
            padding: 8px 14px;
            border: 0;
            border-bottom: 1px solid var(--line);
            border-radius: 0;
            box-shadow: none;
        }
        body[data-surface="mobile"] .site-logo { width: 31px; height: 31px; }
        body[data-surface="mobile"] .brand-home {
            width: 196px;
            min-height: 44px;
        }
        body[data-surface="mobile"] .brand-home b { font-size: 14px; }
        body[data-surface="mobile"] .brand-home span { min-width: 0; }
        body[data-surface="mobile"] .brand-home b {
            max-width: 146px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        body[data-surface="mobile"] .brand-home small { display: none; }
        body[data-surface="mobile"] .nav-center,
        body[data-surface="mobile"] .nav-site-button { display: none; }
        body[data-surface="mobile"] .nav-actions {
            position: fixed;
            right: max(8px, calc(100vw - 382px));
            top: 4px;
            z-index: 120;
            display: flex !important;
            gap: 2px;
            background: rgba(255, 255, 255, 0.92);
        }
        body[data-surface="mobile"] .nav-lang {
            min-height: 44px;
            padding: 0 9px;
            border: 0;
            font-size: 12px;
        }
        body[data-surface="mobile"] .mobile-menu-glyph {
            display: inline-grid;
            place-items: center;
            width: 44px;
            height: 44px;
        }
        body[data-surface="mobile"] .page-shell {
            width: 100%;
            border: 0;
            border-radius: 0;
            box-shadow: none;
        }
        body[data-surface="mobile"] .hero-banner {
            min-height: 274px;
            place-items: start;
            border-bottom: 1px solid var(--line);
        }
        body[data-surface="mobile"] .hero-banner .asset-picture img {
            object-position: 58% center;
            transform: none;
            transform-origin: center center;
        }
        body[data-surface="mobile"] .hero-banner::after {
            background:
                linear-gradient(90deg, rgba(255,255,255,.90), rgba(255,255,255,.48) 68%, rgba(255,255,255,.06)),
                linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.10));
        }
        body[data-surface="mobile"] .hero-copy {
            width: 100%;
            margin: 0;
            padding: 34px 20px 22px;
            text-align: left;
        }
        body[data-surface="mobile"] .hero-copy .eyebrow { display: none; }
        body[data-surface="mobile"] .hero-copy h1,
        body[data-surface="mobile"].lang-zh .hero-copy h1 {
            width: 350px;
            max-width: calc(100vw - 40px);
            font-size: 26px;
            line-height: 1.14;
        }
        body[data-surface="mobile"] .hero-copy h1 .zh-line,
        body[data-surface="mobile"].lang-zh .hero-copy h1 .en-kicker {
            margin-top: 8px;
            font-size: 19px;
            line-height: 1.22;
        }
        body[data-surface="mobile"] .hero-copy p {
            width: 296px;
            max-width: calc(100vw - 40px);
            margin: 10px 0 0;
            font-size: 13.5px;
            line-height: 1.52;
            font-weight: 620;
        }
        body[data-surface="mobile"].lang-zh .hero-copy p {
            width: 282px;
            font-size: 13px;
            line-height: 1.62;
        }
        body[data-surface="mobile"] .product-row {
            grid-template-columns: 1fr;
            gap: 16px;
            padding: 28px 20px;
        }
        body[data-surface="mobile"] .section-title h2 { font-size: 21px; }
        body[data-surface="mobile"] .section-title .business-svg-icon {
            width: 25px;
            height: 25px;
        }
        body[data-surface="mobile"] .product-subtitle {
            margin-left: 37px;
            margin-bottom: 13px;
            font-size: 13px;
        }
        body[data-surface="mobile"] .product-copy p {
            font-size: 13px;
            line-height: 1.55;
            margin-bottom: 13px;
        }
        body[data-surface="mobile"] .feature-list { gap: 6px; }
        body[data-surface="mobile"] .feature-list li {
            font-size: 13px;
            grid-template-columns: 16px minmax(0, 1fr);
            gap: 8px;
        }
        body[data-surface="mobile"] .feature-list b {
            width: 15px;
            height: 15px;
            font-size: 9px;
        }
        body[data-surface="mobile"] .research-shot-crop,
        body[data-surface="mobile"] .travel-shot-crop {
            aspect-ratio: 103 / 46;
            min-height: 0;
        }
        body[data-surface="mobile"] .travel-shot-crop { aspect-ratio: 40 / 17; }
        body[data-surface="mobile"] .qa-section,
        body[data-surface="mobile"] .news-section {
            padding: 24px 20px;
        }
        body[data-surface="mobile"] .section-heading {
            grid-template-columns: 1fr;
            gap: 10px;
            margin-bottom: 12px;
        }
        body[data-surface="mobile"] .section-heading p {
            margin-left: 37px;
            font-size: 13px;
        }
        body[data-surface="mobile"] .section-action { display: none; }
        body[data-surface="mobile"] .qa-grid,
        body[data-surface="mobile"] .daily-board {
            grid-template-columns: 1fr;
            gap: 10px;
        }
        body[data-surface="mobile"] .daily-card:not(:first-child) {
            display: block;
        }
        body[data-surface="mobile"] .daily-card h3 {
            min-height: 38px;
            padding: 9px 12px;
            font-size: 14px;
        }
        body[data-surface="mobile"] .update-text-row,
        body[data-surface="mobile"] .update-skeleton-card {
            min-height: 42px;
            padding: 7px 12px;
        }
        body[data-surface="mobile"] .item-title { font-size: 12px; }
        body[data-surface="mobile"] .site-footer {
            grid-template-columns: 1fr;
            gap: 18px;
            padding: 24px 20px 18px;
        }
        body[data-surface="mobile"] .footer-col { gap: 7px; }
        body[data-surface="mobile"] .footer-bottom {
            display: grid;
            gap: 8px;
        }


        /* v21: localized pages reuse the full homepage with locale-aware typography. */
        body.localized-home {
            --locale-hero-size: clamp(39px, 4.8vw, 62px);
            --locale-section-size: clamp(29px, 3.05vw, 41px);
            --locale-card-title-size: 25px;
            --locale-heading-leading: 1.13;
            --locale-body-leading: 1.68;
            --locale-copy-max: 64ch;
            hanging-punctuation: first last;
            font-kerning: normal;
        }
        body.localized-home.language-ja {
            font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", "Segoe UI", sans-serif;
            line-break: strict;
        }
        body.localized-home.language-ko {
            font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Segoe UI", sans-serif;
            line-break: strict;
            word-break: keep-all;
        }
        body.localized-home.language-ar {
            --locale-hero-size: clamp(40px, 4.9vw, 64px);
            --locale-section-size: clamp(30px, 3.15vw, 42px);
            --locale-heading-leading: 1.24;
            --locale-body-leading: 1.86;
            --locale-copy-max: 58ch;
            font-family: "Geeza Pro", "Noto Naskh Arabic", "Noto Sans Arabic", Tahoma, Arial, sans-serif;
        }
        body.localized-home.language-de,
        body.localized-home.language-fr,
        body.localized-home.language-es,
        body.localized-home.language-pt,
        body.localized-home.language-it {
            --locale-hero-size: clamp(38px, 4.25vw, 58px);
            --locale-section-size: clamp(28px, 2.95vw, 39px);
            --locale-card-title-size: 24px;
            --locale-heading-leading: 1.16;
            --locale-body-leading: 1.72;
            --locale-copy-max: 66ch;
            font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }
        body.localized-home.language-ja,
        body.localized-home.language-ko {
            --locale-hero-size: clamp(38px, 4.55vw, 58px);
            --locale-section-size: clamp(29px, 3vw, 40px);
            --locale-card-title-size: 24px;
            --locale-heading-leading: 1.2;
            --locale-body-leading: 1.88;
            --locale-copy-max: 38em;
        }
        body.localized-home .hero-kicker,
        body.localized-home .section-eyebrow,
        body.localized-home .trial-eyebrow,
        body.localized-home .research-kicker {
            text-transform: none;
            letter-spacing: 0.01em;
            line-height: 1.25;
            font-weight: 760;
        }
        body.localized-home.language-ja .hero-kicker,
        body.localized-home.language-ja .section-eyebrow,
        body.localized-home.language-ja .trial-eyebrow,
        body.localized-home.language-ja .research-kicker,
        body.localized-home.language-ko .hero-kicker,
        body.localized-home.language-ko .section-eyebrow,
        body.localized-home.language-ko .trial-eyebrow,
        body.localized-home.language-ko .research-kicker,
        body.localized-home.language-ar .hero-kicker,
        body.localized-home.language-ar .section-eyebrow,
        body.localized-home.language-ar .trial-eyebrow,
        body.localized-home.language-ar .research-kicker {
            letter-spacing: 0;
        }
        body.localized-home .hero-stage {
            gap: clamp(30px, 4vw, 56px);
        }
        body.localized-home .hero-content {
            max-width: 720px;
        }
        body.localized-home .hero-title {
            max-width: min(760px, 15.8ch);
            font-size: var(--locale-hero-size);
            line-height: var(--locale-heading-leading);
            letter-spacing: -0.012em;
            font-weight: 820;
            text-wrap: balance;
        }
        body.localized-home.language-ja .hero-title,
        body.localized-home.language-ko .hero-title,
        body.localized-home.language-ar .hero-title {
            letter-spacing: 0;
            font-weight: 760;
        }
        body.localized-home.language-ja .hero-title,
        body.localized-home.language-ko .hero-title {
            max-width: 12.5em;
        }
        body.localized-home.language-ar .hero-title {
            max-width: 14.5ch;
        }
        body.localized-home .hero-sub,
        body.localized-home .trial-gate p,
        body.localized-home .section-head p,
        body.localized-home .research-lead,
        body.localized-home .business-head p,
        body.localized-home .faq-section > p,
        body.localized-home .updates-head p,
        body.localized-home .business-card p,
        body.localized-home .product-card p,
        body.localized-home .trust-pill span,
        body.localized-home .faq-item p {
            max-width: var(--locale-copy-max);
            line-height: var(--locale-body-leading);
            letter-spacing: 0;
        }
        body.localized-home .trial-gate h2,
        body.localized-home .section-head h2,
        body.localized-home .research-title,
        body.localized-home .business-head h2,
        body.localized-home .faq-section h2,
        body.localized-home .updates-head h2 {
            font-size: var(--locale-section-size);
            line-height: var(--locale-heading-leading);
            letter-spacing: -0.01em;
            font-weight: 790;
            text-wrap: balance;
        }
        body.localized-home.language-ja .trial-gate h2,
        body.localized-home.language-ja .section-head h2,
        body.localized-home.language-ja .research-title,
        body.localized-home.language-ja .business-head h2,
        body.localized-home.language-ja .faq-section h2,
        body.localized-home.language-ja .updates-head h2,
        body.localized-home.language-ko .trial-gate h2,
        body.localized-home.language-ko .section-head h2,
        body.localized-home.language-ko .research-title,
        body.localized-home.language-ko .business-head h2,
        body.localized-home.language-ko .faq-section h2,
        body.localized-home.language-ko .updates-head h2,
        body.localized-home.language-ar .trial-gate h2,
        body.localized-home.language-ar .section-head h2,
        body.localized-home.language-ar .research-title,
        body.localized-home.language-ar .business-head h2,
        body.localized-home.language-ar .faq-section h2,
        body.localized-home.language-ar .updates-head h2 {
            letter-spacing: 0;
            font-weight: 740;
        }
        body.localized-home .product-card h3,
        body.localized-home .business-card h3,
        body.localized-home .business-card-core h3,
        body.localized-home .preview-result h3,
        body.localized-home .item-title,
        body.localized-home .musk-title {
            font-size: var(--locale-card-title-size);
            line-height: 1.18;
            letter-spacing: 0;
            font-weight: 760;
        }
        body.localized-home .business-card-core h3 {
            font-size: calc(var(--locale-card-title-size) + 2px);
        }
        body.localized-home .nav-center,
        body.localized-home .nav-actions {
            gap: 6px;
        }
        body.localized-home .site-nav {
            min-height: 70px;
            grid-template-columns: minmax(220px, 0.9fr) minmax(0, auto) minmax(220px, 0.9fr);
        }
        body.localized-home .nav-link,
        body.localized-home .nav-login,
        body.localized-home .nav-lang,
        body.localized-home .nav-cta {
            min-height: 40px;
            padding-inline: 10px;
            font-size: 12.5px;
            font-weight: 690;
            letter-spacing: 0;
        }
        body.localized-home.language-de .nav-link,
        body.localized-home.language-fr .nav-link,
        body.localized-home.language-pt .nav-link {
            font-size: 12px;
            padding-inline: 9px;
        }
        body.localized-home .trial-gate {
            gap: clamp(26px, 3.6vw, 46px);
        }
        body.localized-home .product-grid,
        body.localized-home .business-grid,
        body.localized-home .conversion-strip {
            gap: 20px;
        }
        body.localized-home .product-card,
        body.localized-home .business-card,
        body.localized-home .trial-gate-card,
        body.localized-home .updates-panel {
            border-radius: 24px;
        }
        body.localized-home .nav-link,
        body.localized-home .nav-login,
        body.localized-home .nav-cta,
        body.localized-home .hero-btn,
        body.localized-home .hero-secondary,
        body.localized-home .research-actions a,
        body.localized-home .product-card a {
            white-space: normal;
            text-align: center;
            line-height: 1.2;
        }
        body.localized-home .product-thumb-glow {
            display: none;
        }
        body.localized-home .nav-center,
        body.localized-home .nav-actions {
            min-width: 0;
        }
        body.localized-home section[id],
        body.localized-home .hero-section[id] {
            scroll-margin-top: 92px;
        }
        body.localized-home .hero-title,
        body.localized-home .section-head h2,
        body.localized-home .research-title,
        body.localized-home .business-head h2,
        body.localized-home .faq-section > h2,
        body.localized-home .updates-head h2,
        body.localized-home .business-card h3,
        body.localized-home .product-card h3,
        body.localized-home .preview-result h3 {
            overflow-wrap: anywhere;
            word-break: normal;
            hyphens: auto;
        }
        body.localized-home .updates-grid,
        body.localized-home .updates-panel,
        body.localized-home .updates-main-feed,
        body.localized-home .insight-item,
        body.localized-home .musk-feed-item {
            min-width: 0;
            max-width: 100%;
        }
        body.localized-home .item-meta,
        body.localized-home .updates-panel-head {
            min-width: 0;
            flex-wrap: wrap;
        }
        body.localized-home .item-title,
        body.localized-home .item-desc,
        body.localized-home .musk-title,
        body.localized-home .musk-take {
            overflow-wrap: anywhere;
            hyphens: auto;
        }
        body.localized-home.language-ja,
        body.localized-home.language-ko {
            line-break: loose;
        }
        body.localized-home.language-ar .hero-title,
        body.localized-home.language-ar .section-head h2,
        body.localized-home.language-ar .research-title,
        body.localized-home.language-ar .business-head h2,
        body.localized-home.language-ar .faq-section > h2,
        body.localized-home.language-ar .updates-head h2,
        body.localized-home.language-ar .business-card h3,
        body.localized-home.language-ar .product-card h3,
        body.localized-home.language-ar .preview-result h3 {
            hyphens: none;
        }
        html[dir="rtl"] body.localized-home {
            direction: rtl;
        }
        html[dir="rtl"] body.localized-home .site-nav,
        html[dir="rtl"] body.localized-home .hero-stage,
        html[dir="rtl"] body.localized-home .trial-gate,
        html[dir="rtl"] body.localized-home .section-head,
        html[dir="rtl"] body.localized-home .research-copy,
        html[dir="rtl"] body.localized-home .business-head,
        html[dir="rtl"] body.localized-home .faq-section,
        html[dir="rtl"] body.localized-home .updates-head,
        html[dir="rtl"] body.localized-home .corporate-footer {
            direction: rtl;
            text-align: right;
        }
        html[dir="rtl"] body.localized-home .language-menu {
            right: auto;
            left: 0;
        }
        html[dir="rtl"] body.localized-home .hero-product-preview,
        html[dir="rtl"] body.localized-home .preview-window,
        html[dir="rtl"] body.localized-home .product-thumb,
        html[dir="rtl"] body.localized-home .research-visual-stage,
        html[dir="rtl"] body.localized-home .research-shot,
        html[dir="rtl"] body.localized-home .business-card-visual {
            direction: ltr;
            text-align: left;
        }
        html[dir="rtl"] body.localized-home .hero-actions,
        html[dir="rtl"] body.localized-home .research-actions,
        html[dir="rtl"] body.localized-home .trial-badges,
        html[dir="rtl"] body.localized-home .footer-legal {
            justify-content: flex-end;
        }
        /* v24: keep translated homepages on the same calmer desktop scale as the English base. */
        body.localized-home {
            --locale-hero-size: clamp(36px, 3.35vw, 50px);
            --locale-section-size: clamp(28px, 2.45vw, 38px);
            --locale-card-title-size: 21px;
            --locale-heading-leading: 1.2;
            --locale-body-leading: 1.74;
            --locale-copy-max: 58ch;
        }
        body.localized-home.language-ja,
        body.localized-home.language-ko {
            --locale-hero-size: clamp(34px, 3.1vw, 46px);
            --locale-section-size: clamp(27px, 2.3vw, 36px);
            --locale-card-title-size: 20px;
            --locale-heading-leading: 1.28;
            --locale-body-leading: 1.88;
            --locale-copy-max: 34em;
        }
        body.localized-home.language-ar {
            --locale-hero-size: clamp(36px, 3.25vw, 48px);
            --locale-section-size: clamp(29px, 2.45vw, 38px);
            --locale-card-title-size: 22px;
            --locale-heading-leading: 1.34;
            --locale-body-leading: 1.94;
            --locale-copy-max: 54ch;
        }
        body.localized-home.language-de,
        body.localized-home.language-fr,
        body.localized-home.language-es,
        body.localized-home.language-pt,
        body.localized-home.language-it {
            --locale-hero-size: clamp(34px, 3vw, 46px);
            --locale-section-size: clamp(27px, 2.25vw, 36px);
            --locale-card-title-size: 20px;
            --locale-heading-leading: 1.22;
            --locale-copy-max: 60ch;
        }
        body.localized-home .container,
        body.localized-home .product-showcase > .container,
        body.localized-home .business-ecosystem > .container,
        body.localized-home .faq-section.container,
        body.localized-home .updates-section > .container {
            width: min(100% - 48px, 1120px);
        }
        body.localized-home .hero-section {
            padding-top: clamp(50px, 5vw, 68px);
            padding-bottom: clamp(66px, 6vw, 86px);
        }
        body.localized-home .hero-stage {
            grid-template-columns: minmax(0, 0.88fr) minmax(340px, 0.62fr);
            gap: clamp(26px, 4vw, 44px);
        }
        body.localized-home .hero-product-preview {
            width: min(100%, 500px);
            justify-self: end;
        }
        body.localized-home .hero-title {
            max-width: min(640px, 14.5ch);
            letter-spacing: 0;
            font-weight: 760;
        }
        body.localized-home.language-ja .hero-title,
        body.localized-home.language-ko .hero-title {
            max-width: 13em;
            font-weight: 720;
        }
        body.localized-home .trial-gate {
            margin-top: -34px;
            padding: clamp(24px, 3vw, 32px);
            border-radius: 28px;
            grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.52fr);
        }
        body.localized-home .section-head h2,
        body.localized-home .research-title,
        body.localized-home .business-head h2,
        body.localized-home .faq-section > h2,
        body.localized-home .updates-head h2 {
            letter-spacing: 0;
            font-weight: 750;
        }
        body.localized-home .product-showcase,
        body.localized-home .research-showcase,
        body.localized-home .business-ecosystem,
        body.localized-home .updates-section {
            padding-top: clamp(56px, 5.8vw, 82px);
            padding-bottom: clamp(58px, 5.8vw, 86px);
        }
        body.localized-home .product-showcase > .container,
        body.localized-home .faq-section.container,
        body.localized-home .updates-panel {
            border-radius: 28px;
        }
        body.localized-home .product-grid {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
        }
        body.localized-home .product-card {
            min-height: 0;
            padding: 16px;
        }
        body.localized-home .product-thumb,
        body.localized-home .product-card:nth-child(1) .product-thumb {
            height: 118px;
        }
        body.localized-home .research-hero-free {
            width: min(100% - 48px, 1120px);
            grid-template-columns: minmax(300px, 0.43fr) minmax(520px, 0.57fr);
            gap: clamp(30px, 4.6vw, 56px);
        }
        body.localized-home .research-copy {
            max-width: 430px;
        }
        body.localized-home .research-visual-stage {
            width: min(100%, 680px);
        }
        body.localized-home .business-grid {
            grid-template-columns: minmax(0, 1fr) minmax(230px, 0.52fr) minmax(230px, 0.52fr) !important;
            gap: 18px;
        }
        body.localized-home .business-card-core {
            min-height: 430px;
        }
        body.localized-home .updates-main-feed {
            grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
            column-gap: 22px;
        }
        body.localized-home .updates-main-feed > :is(.insight-item, .github-update-card, .musk-feed-item):first-child .item-title,
        body.localized-home .updates-main-feed > :is(.insight-item, .github-update-card, .musk-feed-item):first-child .musk-title {
            font-size: clamp(21px, 1.8vw, 27px);
        }
        html[dir="rtl"] body.localized-home .hero-product-preview {
            justify-self: start;
        }
        /* v56: localized travel intro uses language-specific reading logic. */
        body.localized-home .travel-showcase > .container {
            grid-template-columns: minmax(0, 0.9fr) minmax(470px, 1.1fr) !important;
            column-gap: clamp(30px, 4.2vw, 60px) !important;
            row-gap: clamp(30px, 4vw, 54px) !important;
        }
        body.localized-home .travel-copy {
            position: relative !important;
            top: auto !important;
            max-width: min(100%, 650px) !important;
        }
        body.localized-home .travel-title {
            max-width: var(--locale-travel-title-max, 14.5ch) !important;
            font-size: var(--locale-travel-title-size, clamp(32px, 3.15vw, 48px)) !important;
            line-height: var(--locale-travel-title-leading, 1.12) !important;
            letter-spacing: 0 !important;
            overflow-wrap: anywhere !important;
            hyphens: auto !important;
        }
        body.localized-home .travel-lead,
        body.localized-home .travel-feature-list span,
        body.localized-home .travel-screen-card span,
        body.localized-home .travel-source-note {
            line-height: var(--locale-travel-body-leading, 1.72) !important;
        }
        body.localized-home .travel-feature-list li {
            grid-template-columns: 34px minmax(0, 1fr) !important;
        }
        body.localized-home .travel-actions {
            align-items: stretch !important;
        }
        body.localized-home .travel-actions a {
            min-width: min(100%, 238px) !important;
            min-height: 50px !important;
            line-height: 1.18 !important;
            white-space: normal !important;
        }
        body.localized-home .travel-visual-composition {
            max-width: 800px !important;
            margin-top: 0 !important;
        }
        body.localized-home .travel-screen-gallery {
            grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        }
        body.localized-home .travel-screen-card figcaption {
            min-height: 0 !important;
        }
        body.localized-home.language-de,
        body.localized-home.language-fr,
        body.localized-home.language-es,
        body.localized-home.language-pt,
        body.localized-home.language-it {
            --locale-travel-title-size: clamp(29px, 2.7vw, 40px);
            --locale-travel-title-leading: 1.18;
            --locale-travel-title-max: 20ch;
            --locale-travel-body-leading: 1.76;
        }
        body.localized-home.language-de .travel-actions a,
        body.localized-home.language-fr .travel-actions a,
        body.localized-home.language-pt .travel-actions a {
            min-width: min(100%, 260px) !important;
            padding-inline: 16px !important;
        }
        body.localized-home.language-ja,
        body.localized-home.language-ko {
            --locale-travel-title-size: clamp(31px, 3vw, 44px);
            --locale-travel-title-leading: 1.24;
            --locale-travel-title-max: 12em;
            --locale-travel-body-leading: 1.88;
        }
        body.localized-home.language-ja .travel-title,
        body.localized-home.language-ko .travel-title,
        body.localized-home.language-ja .travel-lead,
        body.localized-home.language-ko .travel-lead,
        body.localized-home.language-ja .travel-feature-list span,
        body.localized-home.language-ko .travel-feature-list span {
            word-break: keep-all !important;
            overflow-wrap: anywhere !important;
            hyphens: none !important;
        }
        body.localized-home.language-ar {
            --locale-travel-title-size: clamp(32px, 3vw, 44px);
            --locale-travel-title-leading: 1.34;
            --locale-travel-title-max: 14ch;
            --locale-travel-body-leading: 1.95;
        }
        html[dir="rtl"] body.localized-home .travel-copy,
        html[dir="rtl"] body.localized-home .travel-lead,
        html[dir="rtl"] body.localized-home .travel-feature-list,
        html[dir="rtl"] body.localized-home .travel-screen-card figcaption,
        html[dir="rtl"] body.localized-home .travel-source-note {
            direction: rtl !important;
            text-align: right !important;
        }
        html[dir="rtl"] body.localized-home .travel-actions {
            justify-content: flex-end !important;
        }
        html[dir="rtl"] body.localized-home .travel-visual-composition,
        html[dir="rtl"] body.localized-home .travel-screenshot-frame,
        html[dir="rtl"] body.localized-home .travel-screenshot-frame img,
        html[dir="rtl"] body.localized-home .travel-screen-card img {
            direction: ltr !important;
            text-align: left !important;
        }
        @media (max-width: 1180px) {
            body.localized-home .site-nav {
                grid-template-columns: minmax(180px, 1fr) auto;
            }
            body.localized-home .hero-stage,
            body.localized-home .trial-gate,
            body.localized-home .research-hero-free,
            body.localized-home .travel-showcase > .container,
            body.localized-home .business-head,
            body.localized-home .updates-head {
                grid-template-columns: 1fr;
            }
            body.localized-home .hero-product-preview,
            body.localized-home .research-visual-stage,
            body.localized-home .travel-visual-composition {
                justify-self: stretch;
                width: 100%;
            }
            body.localized-home .product-grid,
            body.localized-home .updates-main-feed,
            body.localized-home .travel-screen-gallery {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            body.localized-home .travel-screen-card {
                grid-template-columns: 1fr !important;
            }
            body.localized-home .business-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
            }
            body.localized-home .business-card-core,
            body.localized-home .business-card-wide {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 760px) {
            body.localized-home {
                --locale-hero-size: clamp(32px, 9vw, 40px);
                --locale-section-size: clamp(27px, 7.4vw, 35px);
                --locale-card-title-size: 23px;
                --locale-heading-leading: 1.2;
                --locale-body-leading: 1.76;
                max-width: 100%;
                overflow-x: hidden;
            }
            body.localized-home.language-ja,
            body.localized-home.language-ko {
                --locale-hero-size: clamp(30px, 8.4vw, 36px);
                --locale-section-size: clamp(27px, 7.3vw, 34px);
                --locale-heading-leading: 1.26;
                --locale-body-leading: 1.9;
            }
            body.localized-home.language-ar {
                --locale-hero-size: clamp(33px, 9.4vw, 42px);
                --locale-section-size: clamp(28px, 7.8vw, 36px);
                --locale-heading-leading: 1.28;
                --locale-body-leading: 1.9;
            }
            body.localized-home .container,
            body.localized-home .hero-stage,
            body.localized-home .hero-content,
            body.localized-home .hero-actions,
            body.localized-home .hero-proof-row,
            body.localized-home .hero-proof,
            body.localized-home .hero-product-preview,
            body.localized-home .preview-window,
            body.localized-home .trial-gate,
            body.localized-home .trial-gate-card,
            body.localized-home .product-grid,
            body.localized-home .product-card,
            body.localized-home .conversion-strip,
            body.localized-home .trust-pill,
            body.localized-home .research-hero-free,
            body.localized-home .research-copy,
            body.localized-home .research-visual-stage,
            body.localized-home .travel-copy,
            body.localized-home .travel-visual-composition,
            body.localized-home .travel-screenshot-frame,
            body.localized-home .travel-screen-gallery,
            body.localized-home .travel-screen-card,
            body.localized-home .research-visual-notes,
            body.localized-home .research-visual-note,
            body.localized-home .business-grid,
            body.localized-home .business-card,
            body.localized-home .faq-section,
            body.localized-home .updates-head,
            body.localized-home .updates-panel {
                min-width: 0;
                max-width: 100%;
            }
            body.localized-home .hero-section {
                padding-top: 52px;
                padding-bottom: 56px;
            }
            body.localized-home .hero-stage,
            body.localized-home .trial-gate,
            body.localized-home .travel-showcase > .container,
            body.localized-home .section-head,
            body.localized-home .business-head,
            body.localized-home .updates-head {
                gap: 22px;
            }
            body.localized-home .hero-title {
                max-width: 100%;
                margin-top: 16px;
                margin-bottom: 16px;
                overflow-wrap: anywhere;
                word-break: break-word;
                text-wrap: wrap;
            }
            body.localized-home .hero-sub,
            body.localized-home .trial-gate p,
            body.localized-home .section-head p,
            body.localized-home .research-lead,
            body.localized-home .business-head p,
            body.localized-home .faq-section > p,
            body.localized-home .updates-head p {
                font-size: 15.5px;
            }
            body.localized-home .trial-gate,
            body.localized-home .product-card,
            body.localized-home .business-card,
            body.localized-home .faq-section.container {
                padding: 24px;
            }
            body.localized-home .hero-actions,
            body.localized-home .research-actions,
            body.localized-home .travel-actions {
                gap: 12px;
                width: 100%;
            }
            body.localized-home .hero-actions a,
            body.localized-home .research-actions a,
            body.localized-home .travel-actions a {
                width: 100%;
                max-width: 100%;
            }
            body.localized-home .travel-title {
                max-width: 100% !important;
                font-size: clamp(29px, 8vw, 38px) !important;
                overflow-wrap: anywhere !important;
                text-wrap: wrap !important;
            }
            body.localized-home .travel-screen-gallery {
                grid-template-columns: minmax(0, 1fr) !important;
            }
            body.localized-home .travel-screen-card figcaption {
                min-height: 0 !important;
            }
            body.localized-home .hero-proof-row {
                grid-template-columns: minmax(0, 1fr);
            }
            body.localized-home .hero-proof strong,
            body.localized-home .hero-proof span,
            body.localized-home .trust-pill strong,
            body.localized-home .trust-pill span,
            body.localized-home .research-visual-note strong,
            body.localized-home .research-visual-note span {
                overflow-wrap: anywhere;
                word-break: break-word;
            }
            body.localized-home .research-visual-notes {
                display: grid;
                grid-template-columns: minmax(0, 1fr) !important;
                gap: 10px;
            }
            body.localized-home .research-visual-note {
                width: 100%;
                min-height: 0;
            }
            body.localized-home .updates-grid {
                grid-template-columns: minmax(0, 1fr);
            }
            body.localized-home .updates-panel {
                width: 100%;
                overflow: hidden;
            }
            body.localized-home .updates-panel-head,
            body.localized-home .updates-main-feed,
            body.localized-home .insight-item,
            body.localized-home .musk-feed-item {
                width: 100%;
            }
            body.localized-home .hero-title,
            body.localized-home .section-head h2,
            body.localized-home .research-title,
            body.localized-home .business-head h2,
            body.localized-home .faq-section > h2,
            body.localized-home .updates-head h2 {
                overflow-wrap: anywhere;
            }
        }
        @media (max-width: 1180px) {
            .site-nav {
                grid-template-columns: minmax(210px, 1fr) auto;
            }
            .nav-center { display: none; }
            .product-row {
                grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
                gap: 28px;
                padding-left: 46px;
                padding-right: 46px;
            }
            .qa-section,
            .news-section,
            .site-footer {
                padding-left: 42px;
                padding-right: 42px;
            }
            .site-footer {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }
        @media (max-width: 860px) {
            body[data-surface="desktop"] .site-nav,
            body[data-surface="desktop"] .page-shell { width: min(100% - 24px, 520px); }
            body[data-surface="desktop"] .site-nav {
                grid-template-columns: minmax(0, 1fr) auto;
                border-bottom: 1px solid var(--line);
            }
            body[data-surface="desktop"] .nav-site-button { display: none; }
            body[data-surface="desktop"] .product-row,
            body[data-surface="desktop"] .qa-section,
            body[data-surface="desktop"] .news-section {
                padding-left: 22px;
                padding-right: 22px;
            }
            body[data-surface="desktop"] .product-row {
                grid-template-columns: 1fr;
            }
            body[data-surface="desktop"] .daily-board,
            body[data-surface="desktop"] .qa-grid {
                grid-template-columns: 1fr;
            }
            body[data-surface="desktop"] .site-footer {
                grid-template-columns: 1fr;
                padding-left: 22px;
                padding-right: 22px;
            }
            body[data-surface="desktop"] .hero-copy h1 { font-size: 36px; }
            body[data-surface="desktop"] .hero-copy h1 .zh-line { font-size: 26px; }
        }
        @media (max-width: 360px) {
            body[data-surface="mobile"] .hero-copy h1,
            body[data-surface="mobile"].lang-zh .hero-copy h1 {
                font-size: 23px;
            }
        }

        /* v040: integrated visual system, workspace interaction layer, denser news board. */
        :root {
            --glass: rgba(255, 255, 255, 0.70);
            --glass-strong: rgba(255, 255, 255, 0.84);
            --glass-line: rgba(185, 200, 214, 0.58);
            --paper: rgba(255, 255, 255, 0.94);
            --paper-soft: rgba(248, 252, 252, 0.90);
            --focus-ring: 0 0 0 4px rgba(15, 124, 128, 0.12);
            --shadow-wide: 0 24px 76px rgba(7, 17, 31, 0.11);
            --shadow-lift: 0 18px 48px rgba(7, 17, 31, 0.10);
            --radius-lg: 26px;
            --radius-md: 18px;
        }
        html { scroll-padding-top: 112px; }
        body {
            background:
                radial-gradient(circle at 18% 2%, rgba(15, 124, 128, 0.13), transparent 28%),
                radial-gradient(circle at 82% 12%, rgba(244, 122, 24, 0.12), transparent 26%),
                linear-gradient(180deg, #edf5f6 0, #f8fbfb 38%, #ffffff 100%);
        }
        .site-nav {
            top: 14px;
            width: min(100% - 32px, 1500px);
            margin: 14px auto 0;
            border: 1px solid rgba(205, 216, 226, 0.72);
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.78);
            box-shadow: 0 14px 44px rgba(7, 17, 31, 0.09);
            backdrop-filter: blur(28px) saturate(1.34);
            -webkit-backdrop-filter: blur(28px) saturate(1.34);
        }
        .nav-link {
            min-height: 38px;
            padding: 0 2px;
            transition: color .18s ease, opacity .18s ease;
        }
        .nav-link.active,
        .nav-link:hover { color: #061322; }
        .nav-site-button,
        .nav-lang {
            border-radius: 999px;
            transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
        }
        .nav-site-button:hover,
        .nav-lang:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(7, 17, 31, 0.08);
        }
        .page-shell {
            width: min(100% - 32px, 1500px);
            border: 0;
            border-radius: 0;
            overflow: visible;
            background: transparent;
            box-shadow: none;
        }
        .hero-banner {
            min-height: clamp(540px, 72vh, 720px);
            border: 1px solid rgba(203, 214, 224, 0.72);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-wide);
            background: #d9e8ee;
        }
        .hero-banner .asset-picture img {
            object-position: center 53%;
            transform: scale(1.018);
            filter: saturate(1.02) contrast(1.02);
        }
        .hero-banner::after {
            background:
                linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,.08) 31%, rgba(255,255,255,.38) 100%),
                radial-gradient(circle at 50% 43%, rgba(255,255,255,.84), rgba(255,255,255,.42) 32%, rgba(255,255,255,.04) 64%),
                linear-gradient(90deg, rgba(255,255,255,.72), rgba(255,255,255,.18) 38%, rgba(255,255,255,.04) 76%);
        }
        .hero-copy {
            width: min(1120px, calc(100% - 72px));
            padding: clamp(68px, 9vw, 112px) 0 clamp(86px, 11vw, 132px);
            text-align: center;
        }
        .hero-copy .eyebrow {
            margin-bottom: 18px;
            padding: 8px 14px;
            border: 1px solid rgba(15, 124, 128, 0.20);
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.52);
            color: #075d62;
            box-shadow: 0 10px 30px rgba(7, 17, 31, 0.055);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .hero-copy h1 {
            font-size: clamp(50px, 6.35vw, 86px);
            line-height: .98;
            letter-spacing: 0;
            white-space: nowrap;
            text-shadow: 0 16px 52px rgba(255,255,255,.66);
        }
        body.lang-zh .hero-copy h1 {
            font-size: clamp(34px, 4.65vw, 58px);
            line-height: 1.08;
            white-space: normal;
        }
        body.lang-zh .hero-copy h1 .en-kicker {
            font-size: clamp(24px, 3.3vw, 42px);
            white-space: nowrap;
        }
        .hero-copy p {
            width: min(760px, 100%);
            margin-top: 22px;
            font-size: clamp(17px, 1.45vw, 20px);
            line-height: 1.66;
            color: #162338;
        }
        .workspace-switcher {
            position: relative;
            z-index: 5;
            width: min(100% - 72px, 1220px);
            margin: -54px auto 30px;
            display: grid;
            grid-template-columns: minmax(280px, 0.74fr) minmax(0, 1fr);
            gap: 18px;
            padding: 16px;
            border: 1px solid var(--glass-line);
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(255,255,255,.82), rgba(255,255,255,.58));
            box-shadow: var(--shadow-lift);
            backdrop-filter: blur(30px) saturate(1.28);
            -webkit-backdrop-filter: blur(30px) saturate(1.28);
        }
        .workspace-tabs {
            display: grid;
            gap: 8px;
        }
        .workspace-tab {
            width: 100%;
            min-height: 72px;
            border: 1px solid transparent;
            border-radius: 16px;
            background: rgba(255,255,255,.46);
            color: var(--ink);
            display: grid;
            grid-template-columns: 34px minmax(0, 1fr);
            gap: 11px;
            align-items: center;
            padding: 12px;
            text-align: left;
            font: inherit;
            cursor: pointer;
            transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
        }
        .workspace-tab .business-svg-icon {
            width: 32px;
            height: 32px;
            color: var(--teal);
        }
        .workspace-tab[data-workspace-target="travel"] .business-svg-icon,
        .workspace-tab[data-workspace-target="news"] .business-svg-icon { color: var(--orange); }
        .workspace-tab span {
            display: block;
            font-size: 13px;
            font-weight: 880;
            line-height: 1.12;
        }
        .workspace-tab small {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.18;
            font-weight: 680;
        }
        .workspace-tab:hover,
        .workspace-tab.is-active {
            border-color: rgba(15, 124, 128, 0.26);
            background: rgba(255,255,255,.88);
            box-shadow: 0 14px 36px rgba(7,17,31,.08);
            transform: translateY(-1px);
        }
        .workspace-stage {
            position: relative;
            min-height: 226px;
            border-radius: 18px;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(240,248,248,.94), rgba(255,255,255,.78)),
                linear-gradient(90deg, rgba(15,124,128,.08), rgba(244,122,24,.08));
        }
        .workspace-panel {
            display: none;
            min-height: 226px;
            grid-template-columns: minmax(0, 1fr) minmax(220px, .72fr);
            gap: 18px;
            padding: clamp(18px, 2vw, 26px);
            align-items: end;
        }
        .workspace-panel.is-active { display: grid; }
        .workspace-panel-copy {
            display: grid;
            align-content: end;
            gap: 12px;
        }
        .workspace-panel-copy h2 {
            margin: 0;
            font-size: clamp(25px, 2.55vw, 38px);
            line-height: 1.08;
            font-weight: 900;
        }
        .workspace-panel-copy p {
            max-width: 52em;
            margin: 0;
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.62;
            font-weight: 610;
        }
        .workspace-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 0;
            margin: 2px 0 0;
            list-style: none;
        }
        .workspace-pills li {
            padding: 7px 10px;
            border-radius: 999px;
            background: rgba(255,255,255,.82);
            color: #172235;
            font-size: 12px;
            font-weight: 820;
        }
        .workspace-panel-link {
            justify-self: start;
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0 16px;
            border-radius: 999px;
            background: #0f7c80;
            color: #fff;
            text-decoration: none;
            font-weight: 860;
            font-size: 13px;
            box-shadow: 0 12px 26px rgba(15,124,128,.22);
        }
        .workspace-mini {
            display: grid;
            gap: 10px;
            align-self: stretch;
            align-content: center;
        }
        .workspace-mini-row {
            min-height: 44px;
            display: grid;
            grid-template-columns: 74px minmax(0, 1fr);
            gap: 10px;
            align-items: center;
            padding: 9px 11px;
            border: 1px solid rgba(211, 220, 229, .70);
            border-radius: 14px;
            background: rgba(255,255,255,.70);
        }
        .workspace-mini-row strong {
            color: var(--ink);
            font-size: 12px;
            font-weight: 900;
        }
        .workspace-mini-line {
            height: 9px;
            border-radius: 999px;
            background: linear-gradient(90deg, rgba(15,124,128,.28), rgba(244,122,24,.20));
        }
        .workspace-mini-row:nth-child(2) .workspace-mini-line { width: 76%; }
        .workspace-mini-row:nth-child(3) .workspace-mini-line { width: 61%; }
        .product-row,
        .qa-section,
        .news-section {
            width: min(100% - 72px, 1220px);
            margin: 24px auto;
            border: 1px solid rgba(211, 220, 229, .72);
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(255,255,255,.94), rgba(247,251,251,.78));
            box-shadow: 0 14px 46px rgba(7, 17, 31, 0.055);
            scroll-margin-top: 112px;
        }
        .product-row {
            grid-template-columns: minmax(300px, 0.62fr) minmax(0, 1.18fr);
            padding: clamp(26px, 3.3vw, 46px);
            gap: clamp(24px, 4vw, 54px);
        }
        .travel-row {
            background: linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,246,238,.72));
        }
        .product-row.is-focus {
            border-color: rgba(15,124,128,.36);
            box-shadow: 0 18px 58px rgba(15, 124, 128, .12);
        }
        .section-title h2 { font-size: clamp(27px, 2.35vw, 36px); }
        .product-subtitle {
            margin-left: 46px;
            color: #26364e;
        }
        .product-copy p {
            font-size: 15.5px;
            line-height: 1.68;
        }
        .feature-list {
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 9px 11px;
        }
        .feature-list li {
            min-height: 44px;
            align-items: center;
            padding: 8px 9px;
            border: 1px solid rgba(211, 220, 229, .62);
            border-radius: 14px;
            background: rgba(255,255,255,.66);
        }
        .screenshot-frame {
            border-radius: 18px;
            border-color: rgba(199, 210, 222, .72);
            box-shadow: 0 18px 48px rgba(7, 17, 31, 0.105);
        }
        .screenshot-frame:focus-visible,
        .nav-link:focus-visible,
        .nav-site-button:focus-visible,
        .workspace-tab:focus-visible,
        .workspace-panel-link:focus-visible,
        .section-action:focus-visible,
        .update-text-row:focus-visible,
        .qa-grid summary:focus-visible {
            outline: 0;
            box-shadow: var(--focus-ring), 0 14px 36px rgba(7,17,31,.08);
        }
        .screenshot-label {
            left: 16px;
            top: 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.76);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .qa-section,
        .news-section {
            padding: clamp(28px, 3.2vw, 44px);
        }
        .qa-grid {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }
        .qa-grid details {
            border-radius: 16px;
            background: rgba(255,255,255,.72);
            transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
        }
        .qa-grid details[open] {
            border-color: rgba(15, 124, 128, .24);
            background: rgba(255,255,255,.92);
            box-shadow: 0 12px 34px rgba(7,17,31,.055);
        }
        .daily-board {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }
        .daily-card {
            border-radius: 18px;
            background: rgba(255,255,255,.74);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 12px 36px rgba(7,17,31,.06);
        }
        .daily-card h3 {
            min-height: 48px;
            padding: 12px 14px;
            background: rgba(255,255,255,.42);
        }
        .daily-card h3 a {
            padding: 5px 8px;
            border-radius: 999px;
            background: rgba(15,124,128,.08);
        }
        .update-text-row,
        .update-skeleton-card {
            min-height: 50px;
            padding: 8px 14px;
            transition: background .16s ease, transform .16s ease;
        }
        .update-text-row:hover {
            background: rgba(15,124,128,.055);
            transform: translateX(2px);
        }
        .item-title {
            font-size: 12.8px;
            line-height: 1.26;
        }
        .item-meta {
            font-size: 10.5px;
        }
        .site-footer {
            width: min(100% - 72px, 1220px);
            margin: 24px auto 40px;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(255,255,255,.10);
            box-shadow: 0 22px 62px rgba(7,17,31,.18);
        }
        @media (max-width: 1180px) {
            .workspace-switcher,
            .product-row,
            .qa-section,
            .news-section,
            .site-footer {
                width: min(100% - 48px, 980px);
            }
            .workspace-switcher {
                grid-template-columns: 1fr;
            }
            .workspace-tabs {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
            .workspace-tab {
                min-height: 82px;
                align-content: start;
            }
            .product-row {
                grid-template-columns: 1fr;
            }
            .qa-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }
        @media (max-width: 860px) {
            html { scroll-padding-top: 72px; }
            body[data-surface="desktop"] .site-nav,
            body[data-surface="desktop"] .page-shell {
                width: min(100% - 24px, 620px);
            }
            body[data-surface="desktop"] .hero-banner {
                min-height: 520px;
            }
            body[data-surface="desktop"] .hero-copy h1 {
                white-space: normal;
                font-size: 42px;
            }
            body[data-surface="desktop"] .workspace-switcher,
            body[data-surface="desktop"] .product-row,
            body[data-surface="desktop"] .qa-section,
            body[data-surface="desktop"] .news-section,
            body[data-surface="desktop"] .site-footer {
                width: min(100% - 24px, 620px);
            }
            body[data-surface="desktop"] .workspace-tabs,
            body[data-surface="desktop"] .workspace-panel,
            body[data-surface="desktop"] .qa-grid,
            body[data-surface="desktop"] .daily-board {
                grid-template-columns: 1fr;
            }
            body[data-surface="desktop"] .workspace-panel {
                min-height: 0;
            }
            body[data-surface="desktop"] .feature-list {
                grid-template-columns: 1fr;
            }
        }
        body[data-surface="mobile"] {
            background:
                linear-gradient(180deg, #eef6f7 0, #ffffff 52%, #ffffff 100%);
        }
        body[data-surface="mobile"] .site-nav {
            top: 0;
            width: 100%;
            margin: 0;
            border-radius: 0;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(22px) saturate(1.22);
            -webkit-backdrop-filter: blur(22px) saturate(1.22);
        }
        body[data-surface="mobile"] .site-nav .nav-center {
            position: absolute;
            left: 12px;
            right: 12px;
            top: calc(100% + 8px);
            display: none;
            grid-template-columns: 1fr;
            gap: 4px;
            padding: 8px;
            border: 1px solid rgba(211, 220, 229, .78);
            border-radius: 18px;
            background: rgba(255, 255, 255, .94);
            box-shadow: 0 18px 44px rgba(7, 17, 31, .12);
            backdrop-filter: blur(24px) saturate(1.18);
            -webkit-backdrop-filter: blur(24px) saturate(1.18);
        }
        body[data-surface="mobile"] .site-nav.is-menu-open .nav-center {
            display: grid !important;
        }
        body[data-surface="mobile"] .site-nav .nav-link {
            min-height: 42px;
            padding: 0 12px;
            border-radius: 12px;
        }
        body[data-surface="mobile"] .site-nav .nav-link.active,
        body[data-surface="mobile"] .site-nav .nav-link:hover {
            background: rgba(15,124,128,.08);
        }
        body[data-surface="mobile"] .site-nav .nav-link::after {
            display: none;
        }
        body[data-surface="mobile"] .hero-banner {
            min-height: 62vh;
            border-radius: 0 0 24px 24px;
            border-left: 0;
            border-right: 0;
        }
        body[data-surface="mobile"] .hero-banner .asset-picture img {
            object-position: 59% center;
        }
        body[data-surface="mobile"] .hero-banner::after {
            background:
                linear-gradient(180deg, rgba(255,255,255,.60), rgba(255,255,255,.10) 35%, rgba(255,255,255,.40)),
                linear-gradient(90deg, rgba(255,255,255,.86), rgba(255,255,255,.34) 72%, rgba(255,255,255,.04));
        }
        body[data-surface="mobile"] .hero-copy {
            padding: 58px 20px 72px;
            text-align: center;
        }
        body[data-surface="mobile"] .hero-copy h1,
        body[data-surface="mobile"].lang-zh .hero-copy h1 {
            width: min(340px, calc(100vw - 40px));
            margin: 0 auto;
            font-size: clamp(26px, 7.5vw, 30px);
            line-height: 1.04;
            white-space: nowrap;
        }
        body[data-surface="mobile"] .hero-copy p,
        body[data-surface="mobile"].lang-zh .hero-copy p {
            width: min(330px, calc(100vw - 40px));
            margin: 14px auto 0;
            font-size: 14px;
            line-height: 1.58;
        }
        body[data-surface="mobile"] .workspace-switcher {
            width: calc(100% - 24px);
            margin: -30px auto 16px;
            grid-template-columns: 1fr;
            padding: 10px;
            border-radius: 20px;
        }
        body[data-surface="mobile"] .workspace-tabs,
        body[data-surface="mobile"] .workspace-panel {
            grid-template-columns: 1fr;
        }
        body[data-surface="mobile"] .workspace-tab {
            min-height: 58px;
        }
        body[data-surface="mobile"] .workspace-stage,
        body[data-surface="mobile"] .workspace-panel {
            min-height: 0;
        }
        body[data-surface="mobile"] .workspace-panel {
            padding: 16px;
        }
        body[data-surface="mobile"] .workspace-panel-copy h2 {
            font-size: 24px;
        }
        body[data-surface="mobile"] .workspace-mini {
            display: none;
        }
        body[data-surface="mobile"] .product-row,
        body[data-surface="mobile"] .qa-section,
        body[data-surface="mobile"] .news-section,
        body[data-surface="mobile"] .site-footer {
            width: calc(100% - 24px);
            margin: 16px auto;
            border-radius: 20px;
        }
        body[data-surface="mobile"] .product-row {
            padding: 22px 16px;
        }
        body[data-surface="mobile"] .feature-list,
        body[data-surface="mobile"] .qa-grid,
        body[data-surface="mobile"] .daily-board {
            grid-template-columns: 1fr;
        }
        body[data-surface="mobile"] .update-text-row,
        body[data-surface="mobile"] .update-skeleton-card {
            min-height: 46px;
            padding: 8px 12px;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                transition-duration: .001ms !important;
                animation-duration: .001ms !important;
            }
        }

        /* v041: reduce page air and tighten the homepage into one cohesive product surface. */
        html { scroll-padding-top: 96px; }
        body {
            background:
                radial-gradient(circle at 16% 0%, rgba(15, 124, 128, 0.15), transparent 25%),
                radial-gradient(circle at 82% 7%, rgba(244, 122, 24, 0.11), transparent 23%),
                linear-gradient(180deg, #eef6f7 0, #f8fbfb 30%, #ffffff 100%);
        }
        .site-nav {
            top: 10px;
            width: min(100% - 24px, 1520px);
            margin-top: 10px;
            min-height: 62px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .page-shell {
            width: min(100% - 24px, 1520px);
        }
        .hero-banner {
            min-height: clamp(418px, 54vh, 560px);
            border-radius: 24px;
            box-shadow: 0 22px 66px rgba(7, 17, 31, 0.10);
        }
        .hero-banner .asset-picture img {
            object-position: center 55%;
            transform: scale(1.01);
        }
        .hero-banner::after {
            background:
                linear-gradient(180deg, rgba(255,255,255,.46), rgba(255,255,255,.08) 30%, rgba(255,255,255,.42) 100%),
                radial-gradient(circle at 50% 44%, rgba(255,255,255,.78), rgba(255,255,255,.38) 30%, rgba(255,255,255,.04) 62%),
                linear-gradient(90deg, rgba(255,255,255,.76), rgba(255,255,255,.20) 39%, rgba(255,255,255,.04) 76%);
        }
        .hero-copy {
            width: min(1040px, calc(100% - 64px));
            padding: clamp(44px, 6.4vw, 76px) 0 clamp(62px, 7.4vw, 92px);
        }
        .hero-copy .eyebrow {
            margin-bottom: 12px;
            padding: 7px 13px;
        }
        .hero-copy h1 {
            font-size: clamp(46px, 5.7vw, 76px);
            line-height: 1;
        }
        body.lang-zh .hero-copy h1 {
            font-size: clamp(31px, 4.2vw, 50px);
        }
        body.lang-zh .hero-copy h1 .en-kicker {
            font-size: clamp(21px, 2.8vw, 34px);
        }
        .hero-copy p {
            width: min(720px, 100%);
            margin-top: 14px;
            line-height: 1.58;
        }
        .workspace-switcher {
            width: min(100% - 56px, 1280px);
            margin: -48px auto 16px;
            grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1fr);
            gap: 12px;
            padding: 12px;
            border-radius: 22px;
            box-shadow: 0 16px 46px rgba(7, 17, 31, 0.10);
        }
        .workspace-tabs {
            gap: 6px;
        }
        .workspace-tab {
            min-height: 58px;
            grid-template-columns: 30px minmax(0, 1fr);
            gap: 9px;
            padding: 9px 10px;
            border-radius: 14px;
        }
        .workspace-tab .business-svg-icon {
            width: 29px;
            height: 29px;
        }
        .workspace-tab span {
            font-size: 12.5px;
        }
        .workspace-tab small {
            margin-top: 2px;
            font-size: 11px;
            line-height: 1.13;
        }
        .workspace-stage,
        .workspace-panel {
            min-height: 172px;
        }
        .workspace-stage {
            border-radius: 16px;
        }
        .workspace-panel {
            grid-template-columns: minmax(0, 1.1fr) minmax(190px, .58fr);
            gap: 14px;
            padding: clamp(14px, 1.6vw, 20px);
            align-items: center;
        }
        .workspace-panel-copy {
            align-content: center;
            gap: 8px;
        }
        .workspace-panel-copy h2 {
            max-width: 720px;
            font-size: clamp(22px, 2vw, 30px);
            line-height: 1.07;
        }
        .workspace-panel-copy p {
            font-size: 13.5px;
            line-height: 1.5;
        }
        .workspace-pills {
            gap: 6px;
            margin-top: 0;
        }
        .workspace-pills li {
            padding: 5px 8px;
            font-size: 11.5px;
        }
        .workspace-panel-link {
            min-height: 36px;
            padding: 0 14px;
        }
        .workspace-mini {
            gap: 7px;
        }
        .workspace-mini-row {
            min-height: 36px;
            grid-template-columns: 62px minmax(0, 1fr);
            gap: 8px;
            padding: 7px 9px;
            border-radius: 12px;
        }
        .workspace-mini-line {
            height: 7px;
        }
        .product-row,
        .qa-section,
        .news-section,
        .site-footer {
            width: min(100% - 56px, 1280px);
        }
        .product-row,
        .qa-section,
        .news-section {
            margin: 14px auto;
            border-radius: 22px;
            box-shadow: 0 12px 38px rgba(7, 17, 31, 0.052);
        }
        .product-row {
            grid-template-columns: minmax(290px, 0.58fr) minmax(0, 1.24fr);
            gap: clamp(18px, 2.8vw, 38px);
            padding: clamp(22px, 2.5vw, 34px);
            align-items: center;
        }
        .section-title {
            gap: 12px;
        }
        .section-title h2 {
            font-size: clamp(26px, 2.1vw, 34px);
        }
        .product-subtitle {
            margin-bottom: 10px;
        }
        .product-copy p {
            margin-bottom: 14px;
            line-height: 1.58;
        }
        .feature-list {
            gap: 7px 9px;
        }
        .feature-list li {
            min-height: 38px;
            padding: 6px 8px;
            border-radius: 12px;
        }
        .qa-section,
        .news-section {
            padding: clamp(22px, 2.55vw, 34px);
        }
        .section-heading {
            margin-bottom: 12px;
        }
        .qa-grid {
            gap: 10px;
        }
        .qa-grid details summary {
            min-height: 44px;
        }
        .daily-board {
            gap: 12px;
        }
        .daily-card {
            border-radius: 16px;
        }
        .daily-card h3 {
            min-height: 42px;
            padding: 10px 12px;
        }
        .update-text-row,
        .update-skeleton-card {
            min-height: 46px;
            padding: 7px 12px;
        }
        .site-footer {
            margin: 14px auto 28px;
            border-radius: 22px;
        }
        @media (max-width: 1180px) {
            .workspace-switcher,
            .product-row,
            .qa-section,
            .news-section,
            .site-footer {
                width: min(100% - 40px, 980px);
            }
            .workspace-switcher {
                margin-bottom: 14px;
            }
            .workspace-tabs {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
            .workspace-tab {
                min-height: 68px;
            }
        }
        @media (max-width: 860px) {
            body[data-surface="desktop"] .hero-banner {
                min-height: 480px;
            }
            body[data-surface="desktop"] .workspace-switcher,
            body[data-surface="desktop"] .product-row,
            body[data-surface="desktop"] .qa-section,
            body[data-surface="desktop"] .news-section,
            body[data-surface="desktop"] .site-footer {
                width: min(100% - 20px, 620px);
            }
            body[data-surface="desktop"] .workspace-switcher {
                margin-top: -30px;
                padding: 9px;
            }
        }
        body[data-surface="mobile"] .hero-banner {
            min-height: clamp(330px, 46vh, 390px);
            border-radius: 0 0 20px 20px;
        }
        body[data-surface="mobile"] .hero-banner .asset-picture img {
            object-position: 60% center;
            transform: none;
        }
        body[data-surface="mobile"] .hero-copy {
            padding: 44px 18px 54px;
        }
        body[data-surface="mobile"] .hero-copy h1,
        body[data-surface="mobile"].lang-zh .hero-copy h1 {
            width: min(348px, calc(100vw - 36px));
            font-size: clamp(25px, 7.1vw, 29px);
            line-height: 1.03;
        }
        body[data-surface="mobile"] .hero-copy p,
        body[data-surface="mobile"].lang-zh .hero-copy p {
            width: min(332px, calc(100vw - 36px));
            margin-top: 10px;
            font-size: 13.5px;
            line-height: 1.48;
        }
        body[data-surface="mobile"] .workspace-switcher {
            width: calc(100% - 20px);
            margin: -22px auto 12px;
            padding: 8px;
            border-radius: 18px;
        }
        body[data-surface="mobile"] .workspace-tabs {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 5px;
        }
        body[data-surface="mobile"] .workspace-tab {
            min-height: 66px;
            grid-template-columns: 1fr;
            justify-items: center;
            gap: 4px;
            padding: 8px 6px;
            text-align: center;
        }
        body[data-surface="mobile"] .workspace-tab .business-svg-icon {
            width: 26px;
            height: 26px;
        }
        body[data-surface="mobile"] .workspace-tab span {
            font-size: 11.5px;
        }
        body[data-surface="mobile"] .workspace-tab small {
            display: none;
        }
        body[data-surface="mobile"] .workspace-panel {
            padding: 13px;
            gap: 10px;
        }
        body[data-surface="mobile"] .workspace-panel-copy {
            gap: 7px;
        }
        body[data-surface="mobile"] .workspace-panel-copy h2 {
            font-size: 22px;
            line-height: 1.06;
        }
        body[data-surface="mobile"] .workspace-panel-copy p {
            font-size: 13px;
            line-height: 1.48;
        }
        body[data-surface="mobile"] .workspace-pills {
            gap: 5px;
        }
        body[data-surface="mobile"] .workspace-pills li {
            padding: 5px 7px;
        }
        body[data-surface="mobile"] .product-row,
        body[data-surface="mobile"] .qa-section,
        body[data-surface="mobile"] .news-section,
        body[data-surface="mobile"] .site-footer {
            width: calc(100% - 20px);
            margin: 12px auto;
            border-radius: 18px;
        }
        body[data-surface="mobile"] .product-row {
            padding: 18px 14px;
            gap: 14px;
        }
        body[data-surface="mobile"] .section-heading {
            margin-bottom: 10px;
        }
        body[data-surface="mobile"] .qa-section,
        body[data-surface="mobile"] .news-section {
            padding: 18px 14px;
        }
        body[data-surface="mobile"] .daily-card h3 {
            min-height: 40px;
        }
        @media (max-width: 360px) {
            body[data-surface="mobile"] .hero-copy h1,
            body[data-surface="mobile"].lang-zh .hero-copy h1 {
                font-size: 23px;
            }
        }

        /* v042: Apple-like continuity pass. Reduce card framing; use full-width bands, type, and imagery for hierarchy. */
        html { scroll-padding-top: 72px; }
        body {
            background: #f5f5f7;
            color: #1d1d1f;
        }
        .site-nav {
            top: 0;
            width: 100%;
            min-height: 44px;
            margin: 0;
            grid-template-columns: minmax(196px, 1fr) minmax(0, auto) minmax(250px, 1fr);
            padding: 0 max(18px, calc((100% - 1180px) / 2));
            border: 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: 0;
            background: rgba(250, 250, 252, 0.82);
            box-shadow: none;
            backdrop-filter: blur(20px) saturate(1.2);
            -webkit-backdrop-filter: blur(20px) saturate(1.2);
        }
        .brand-home {
            min-height: 44px;
            gap: 8px;
        }
        .site-logo {
            width: 30px;
            height: 30px;
        }
        .brand-home b {
            font-size: 15px;
            font-weight: 760;
            letter-spacing: 0;
        }
        .brand-home small {
            display: none;
        }
        .nav-center {
            gap: clamp(18px, 2.4vw, 30px);
        }
        .nav-link {
            min-height: 44px;
            color: #1d1d1f;
            font-size: 12px;
            font-weight: 590;
            opacity: .86;
        }
        .nav-link.active,
        .nav-link:hover {
            color: #000;
            opacity: 1;
        }
        .nav-link.active::after,
        .nav-link:hover::after {
            left: 0;
            right: 0;
            bottom: 0;
            height: 1px;
            background: #1d1d1f;
        }
        .nav-lang,
        .nav-site-button {
            min-height: 32px;
            border: 0;
            border-radius: 999px;
            background: transparent;
            box-shadow: none;
            color: #1d1d1f;
            padding: 0 10px;
            font-size: 12px;
            font-weight: 620;
        }
        .nav-site-button.research,
        .nav-site-button.travel {
            color: #1d1d1f;
            border-color: transparent;
        }
        .nav-lang:hover,
        .nav-site-button:hover {
            background: rgba(0, 0, 0, 0.045);
            box-shadow: none;
            transform: none;
        }
        .language-menu {
            border-radius: 14px;
            box-shadow: 0 18px 42px rgba(0, 0, 0, .12);
        }
        .page-shell {
            width: 100%;
            max-width: none;
            margin: 0;
            border: 0;
            border-radius: 0;
            overflow: visible;
            background: #f5f5f7;
            box-shadow: none;
        }
        .hero-banner {
            min-height: clamp(500px, 70vh, 680px);
            border: 0;
            border-radius: 0;
            background: #f5f5f7;
            box-shadow: none;
        }
        .hero-banner .asset-picture img {
            object-position: center 54%;
            transform: none;
            filter: saturate(1.01) contrast(1.01);
        }
        .hero-banner::after {
            background:
                linear-gradient(180deg, rgba(245,245,247,.50), rgba(245,245,247,.05) 31%, rgba(245,245,247,.54) 100%),
                radial-gradient(circle at 50% 45%, rgba(255,255,255,.72), rgba(255,255,255,.28) 32%, rgba(255,255,255,.02) 64%),
                linear-gradient(90deg, rgba(255,255,255,.70), rgba(255,255,255,.16) 42%, rgba(255,255,255,.02) 78%);
        }
        .hero-copy {
            width: min(1080px, calc(100% - 48px));
            padding: clamp(58px, 8vw, 98px) 0 clamp(110px, 13vw, 150px);
        }
        .hero-copy .eyebrow {
            margin-bottom: 14px;
            border: 0;
            background: transparent;
            box-shadow: none;
            color: #6e6e73;
            font-size: 13px;
            font-weight: 650;
        }
        .hero-copy h1 {
            color: #1d1d1f;
            font-size: clamp(56px, 6.2vw, 88px);
            line-height: .96;
            font-weight: 820;
            text-shadow: none;
        }
        body.lang-zh .hero-copy h1 {
            font-size: clamp(34px, 4.5vw, 56px);
        }
        body.lang-zh .hero-copy h1 .en-kicker {
            font-size: clamp(23px, 2.9vw, 36px);
        }
        .hero-copy p {
            width: min(780px, 100%);
            margin-top: 18px;
            color: #1d1d1f;
            font-size: clamp(18px, 1.5vw, 22px);
            line-height: 1.45;
            font-weight: 520;
        }
        .workspace-switcher {
            width: min(100% - 56px, 1120px);
            margin: -86px auto 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
            padding: 0;
            border: 0;
            border-radius: 0;
            background: transparent;
            box-shadow: none;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
        }
        .workspace-tabs {
            width: min(760px, 100%);
            margin: 0 auto;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 0;
            padding: 4px;
            border: 1px solid rgba(0, 0, 0, .08);
            border-radius: 999px;
            background: rgba(255, 255, 255, .82);
            box-shadow: 0 10px 28px rgba(0, 0, 0, .08);
            backdrop-filter: blur(20px) saturate(1.2);
            -webkit-backdrop-filter: blur(20px) saturate(1.2);
        }
        .workspace-tab {
            min-height: 44px;
            grid-template-columns: 1fr;
            justify-items: center;
            gap: 4px;
            padding: 0 14px;
            border: 0;
            border-radius: 999px;
            background: transparent;
            box-shadow: none;
            text-align: center;
            transform: none;
        }
        .workspace-tab .business-svg-icon {
            width: 24px;
            height: 24px;
        }
        .workspace-tab span {
            font-size: 12px;
            font-weight: 720;
        }
        .workspace-tab small {
            display: none;
        }
        .workspace-tab:hover,
        .workspace-tab.is-active {
            border-color: transparent;
            background: #fff;
            box-shadow: 0 7px 18px rgba(0, 0, 0, .08);
            transform: none;
        }
        .workspace-stage,
        .workspace-panel {
            min-height: 182px;
        }
        .workspace-stage {
            border-radius: 0;
            overflow: visible;
            background: transparent;
        }
        .workspace-panel {
            grid-template-columns: 1fr;
            padding: 4px 0 0;
            text-align: center;
        }
        .workspace-panel-copy {
            justify-items: center;
            align-content: center;
            gap: 10px;
        }
        .workspace-panel-copy h2 {
            max-width: 880px;
            color: #1d1d1f;
            font-size: clamp(30px, 3.2vw, 44px);
            line-height: 1.02;
            font-weight: 820;
        }
        .workspace-panel-copy p {
            max-width: 680px;
            color: #515154;
            font-size: 15px;
            line-height: 1.5;
            font-weight: 520;
        }
        .workspace-mini {
            display: none;
        }
        .workspace-pills {
            justify-content: center;
        }
        .workspace-pills li {
            background: rgba(255, 255, 255, .72);
            color: #1d1d1f;
            font-weight: 650;
            box-shadow: none;
        }
        .workspace-panel-link {
            justify-self: center;
            background: #0071e3;
            box-shadow: none;
        }
        .product-row,
        .qa-section,
        .news-section {
            width: 100%;
            margin: 0;
            border: 0;
            border-radius: 0;
            box-shadow: none;
            scroll-margin-top: 72px;
        }
        .product-row {
            grid-template-columns: minmax(300px, .46fr) minmax(0, .78fr);
            gap: clamp(28px, 5vw, 72px);
            align-items: center;
            padding: clamp(70px, 8vw, 108px) max(28px, calc((100% - 1180px) / 2));
            border-top: 12px solid #f5f5f7;
            background: #fff;
        }
        .travel-row {
            background: #fbfbfd;
        }
        .product-row.is-focus {
            border-color: #f5f5f7;
            box-shadow: none;
        }
        .product-copy {
            max-width: 460px;
        }
        .section-title h2 {
            color: #1d1d1f;
            font-size: clamp(34px, 3.7vw, 56px);
            line-height: 1.02;
            font-weight: 780;
        }
        .product-subtitle {
            margin: 12px 0 14px 46px;
            color: #6e6e73;
            font-size: 18px;
            line-height: 1.35;
            font-weight: 600;
        }
        .product-copy p {
            color: #424245;
            font-size: 16px;
            line-height: 1.58;
            font-weight: 500;
        }
        .feature-list {
            gap: 0;
        }
        .feature-list li {
            min-height: 34px;
            padding: 7px 0;
            border: 0;
            border-top: 1px solid rgba(0, 0, 0, .08);
            border-radius: 0;
            background: transparent;
        }
        .feature-list li:first-child {
            border-top: 0;
        }
        .feature-list li b {
            box-shadow: none;
        }
        .screenshot-frame {
            border: 0;
            border-radius: 18px;
            box-shadow: 0 24px 64px rgba(0, 0, 0, .12);
        }
        .qa-section,
        .news-section {
            padding: clamp(62px, 7vw, 92px) max(24px, calc((100% - 1180px) / 2));
            border-top: 12px solid #f5f5f7;
            background: #fff;
        }
        .news-section {
            background: #fbfbfd;
        }
        .section-heading {
            align-items: end;
            margin-bottom: 28px;
        }
        .section-heading p {
            max-width: 720px;
            color: #6e6e73;
            font-size: 17px;
            font-weight: 500;
        }
        .section-action {
            border: 0;
            background: transparent;
            color: #06c;
            box-shadow: none;
            padding: 0;
            min-height: 32px;
        }
        .qa-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0 clamp(34px, 4vw, 64px);
        }
        .qa-grid details {
            border: 0;
            border-top: 1px solid rgba(0, 0, 0, .12);
            border-radius: 0;
            background: transparent;
            box-shadow: none;
        }
        .qa-grid details[open] {
            border-color: rgba(0, 0, 0, .12);
            background: transparent;
            box-shadow: none;
        }
        .qa-grid summary {
            color: #1d1d1f;
        }
        .daily-board {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 0;
            border-top: 1px solid rgba(0, 0, 0, .12);
            border-bottom: 1px solid rgba(0, 0, 0, .12);
        }
        .daily-card {
            border: 0;
            border-radius: 0;
            background: transparent;
            box-shadow: none;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
        }
        .daily-card + .daily-card {
            border-left: 1px solid rgba(0, 0, 0, .10);
        }
        .daily-card h3 {
            min-height: 46px;
            padding: 12px 16px;
            background: transparent;
            border-bottom: 1px solid rgba(0, 0, 0, .08);
        }
        .daily-card h3 a {
            background: transparent;
            color: #06c;
            font-weight: 620;
        }
        .update-text-row,
        .update-skeleton-card {
            min-height: 48px;
            padding: 8px 16px;
            border-bottom-color: rgba(0, 0, 0, .075);
        }
        .update-text-row:hover {
            background: rgba(0, 0, 0, .035);
            transform: none;
        }
        .site-footer {
            width: 100%;
            margin: 0;
            grid-template-columns: minmax(220px, 1.1fr) repeat(4, minmax(150px, .75fr));
            gap: clamp(18px, 2.5vw, 34px);
            padding: 32px max(24px, calc((100% - 1180px) / 2)) 22px;
            border: 0;
            border-top: 1px solid #d2d2d7;
            border-radius: 0;
            background: #f5f5f7;
            box-shadow: none;
            color: #6e6e73;
        }
        .footer-brand-row .site-logo {
            background: transparent;
        }
        .footer-brand b,
        .footer-col h3 {
            color: #1d1d1f;
        }
        .footer-brand b {
            font-size: 14px;
            font-weight: 700;
        }
        .footer-brand small,
        .footer-brand p,
        .footer-col span,
        .footer-bottom {
            color: #6e6e73;
        }
        .footer-col {
            font-size: 12px;
        }
        .footer-col h3 {
            font-size: 12px;
            font-weight: 700;
        }
        .footer-col a {
            color: #424245;
            font-weight: 500;
        }
        .footer-col a:hover {
            color: #000;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top-color: #d2d2d7;
        }
        @media (max-width: 1180px) {
            .site-nav {
                padding-left: 18px;
                padding-right: 18px;
            }
            .workspace-switcher {
                width: min(100% - 40px, 980px);
            }
            .product-row,
            .qa-section,
            .news-section,
            .site-footer {
                width: 100%;
            }
            .product-row {
                grid-template-columns: 1fr;
                padding-left: max(24px, calc((100% - 860px) / 2));
                padding-right: max(24px, calc((100% - 860px) / 2));
            }
            .product-copy {
                max-width: 760px;
            }
        }
        @media (max-width: 860px) {
            body[data-surface="desktop"] .site-nav,
            body[data-surface="desktop"] .page-shell {
                width: 100%;
            }
            body[data-surface="desktop"] .hero-banner {
                min-height: 500px;
            }
            body[data-surface="desktop"] .workspace-switcher {
                width: min(100% - 24px, 620px);
                margin-top: -58px;
            }
            body[data-surface="desktop"] .workspace-panel-copy h2 {
                font-size: 30px;
            }
        }
        body[data-surface="mobile"] {
            background: #f5f5f7;
        }
        body[data-surface="mobile"] .site-nav {
            min-height: 50px;
            padding: 6px 14px;
            background: rgba(250, 250, 252, .88);
        }
        body[data-surface="mobile"] .site-logo {
            width: 33px;
            height: 33px;
        }
        body[data-surface="mobile"] .brand-home {
            min-height: 42px;
        }
        body[data-surface="mobile"] .brand-home b {
            max-width: 170px;
            font-size: 16px;
        }
        body[data-surface="mobile"] .hero-banner {
            min-height: clamp(420px, 58vh, 510px);
            border-radius: 0;
        }
        body[data-surface="mobile"] .hero-banner .asset-picture img {
            object-position: 60% center;
        }
        body[data-surface="mobile"] .hero-copy {
            padding: 52px 18px 110px;
        }
        body[data-surface="mobile"] .hero-copy h1,
        body[data-surface="mobile"].lang-zh .hero-copy h1 {
            width: min(350px, calc(100vw - 36px));
            color: #1d1d1f;
            font-size: clamp(28px, 8vw, 34px);
            line-height: 1.04;
        }
        body[data-surface="mobile"] .hero-copy p,
        body[data-surface="mobile"].lang-zh .hero-copy p {
            width: min(340px, calc(100vw - 36px));
            margin-top: 12px;
            color: #1d1d1f;
            font-size: 15px;
            line-height: 1.45;
        }
        body[data-surface="mobile"] .workspace-switcher {
            width: calc(100% - 20px);
            margin: -74px auto 0;
            padding: 0;
            border-radius: 0;
            background: transparent;
            box-shadow: none;
        }
        body[data-surface="mobile"] .workspace-tabs {
            padding: 4px;
            border-radius: 999px;
        }
        body[data-surface="mobile"] .workspace-tab {
            min-height: 62px;
            border-radius: 999px;
        }
        body[data-surface="mobile"] .workspace-stage,
        body[data-surface="mobile"] .workspace-panel {
            min-height: 0;
        }
        body[data-surface="mobile"] .workspace-panel {
            padding: 22px 8px 28px;
            text-align: center;
        }
        body[data-surface="mobile"] .workspace-panel-copy h2 {
            font-size: 27px;
            line-height: 1.04;
        }
        body[data-surface="mobile"] .workspace-panel-copy p {
            max-width: 330px;
            font-size: 14px;
        }
        body[data-surface="mobile"] .product-row,
        body[data-surface="mobile"] .qa-section,
        body[data-surface="mobile"] .news-section,
        body[data-surface="mobile"] .site-footer {
            width: 100%;
            margin: 0;
            border-radius: 0;
        }
        body[data-surface="mobile"] .product-row {
            padding: 44px 22px;
            border-top-width: 10px;
        }
        body[data-surface="mobile"] .section-title h2 {
            font-size: 38px;
        }
        body[data-surface="mobile"] .product-subtitle {
            margin-left: 0;
            font-size: 18px;
        }
        body[data-surface="mobile"] .feature-list {
            grid-template-columns: 1fr;
        }
        body[data-surface="mobile"] .qa-section,
        body[data-surface="mobile"] .news-section {
            padding: 44px 22px;
            border-top-width: 10px;
        }
        body[data-surface="mobile"] .qa-grid,
        body[data-surface="mobile"] .daily-board {
            grid-template-columns: 1fr;
        }
        body[data-surface="mobile"] .daily-card + .daily-card {
            border-left: 0;
            border-top: 1px solid rgba(0, 0, 0, .12);
        }
        body[data-surface="mobile"] .site-footer {
            padding: 30px 22px 22px;
        }

        /* v043: relieve the desktop hero/workspace stack without changing the mobile composition. */
        body[data-surface="desktop"] .hero-banner {
            min-height: clamp(560px, 72svh, 700px);
        }
        body[data-surface="desktop"] .workspace-switcher {
            margin-top: -42px;
            gap: 24px;
        }
        body[data-surface="desktop"] .workspace-stage,
        body[data-surface="desktop"] .workspace-panel {
            min-height: 224px;
        }
        body[data-surface="desktop"] .workspace-panel {
            padding: 24px 0 34px;
        }
        body[data-surface="desktop"] .workspace-panel-copy {
            gap: 12px;
        }
        body[data-surface="desktop"] .workspace-panel-copy h2 {
            text-wrap: balance;
        }
        @media (max-width: 860px) {
            body[data-surface="desktop"] .workspace-switcher {
                margin-top: -34px;
            }
            body[data-surface="desktop"] .workspace-stage,
            body[data-surface="desktop"] .workspace-panel {
                min-height: 238px;
            }
        }

        /* v044: product-narrative homepage based on the selected bright two-path direction. */
        body[data-surface="desktop"] .hero-banner {
            height: clamp(640px, 74svh, 700px);
            min-height: 0;
        }
        body[data-surface="desktop"] .hero-banner .asset-picture img {
            object-position: center 54%;
        }
        body[data-surface="desktop"] .hero-banner::after {
            background:
                linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.90) 28%, rgba(255,255,255,.42) 54%, rgba(255,255,255,.02) 82%),
                linear-gradient(180deg, rgba(245,248,252,.18), rgba(245,248,252,.02) 52%, rgba(245,245,247,.42));
        }
        body[data-surface="desktop"] .hero-copy {
            width: min(1180px, calc(100% - 48px));
            padding: clamp(48px, 5vw, 68px) 0 clamp(190px, 20vw, 228px);
            align-content: start;
            align-items: start;
            justify-items: start;
            text-align: left;
        }
        body[data-surface="desktop"] .hero-copy .eyebrow {
            justify-self: start;
            margin-bottom: 18px;
            color: #515154;
            letter-spacing: .04em;
            text-transform: uppercase;
        }
        body[data-surface="desktop"] .hero-copy h1,
        body[data-surface="desktop"].lang-zh .hero-copy h1 {
            max-width: 650px;
            font-size: clamp(64px, 6.2vw, 88px);
            line-height: .91;
            letter-spacing: -.055em;
            text-align: left;
        }
        body[data-surface="desktop"] .hero-copy h1 strong {
            color: #2463d4;
            font-weight: inherit;
        }
        body[data-surface="desktop"].lang-zh .hero-copy h1 .en-kicker {
            margin-bottom: 18px;
            font-size: clamp(52px, 5.4vw, 76px);
            line-height: .92;
        }
        body[data-surface="desktop"].lang-zh .hero-copy h1 {
            font-size: clamp(35px, 3.8vw, 48px);
            line-height: 1.04;
        }
        body[data-surface="desktop"] .hero-copy p {
            width: min(570px, 100%);
            margin: 24px 0 0;
            justify-self: start;
            color: #3a3a3c;
            font-size: clamp(17px, 1.45vw, 20px);
            line-height: 1.55;
            font-weight: 500;
            text-align: left;
        }
        .hero-primary-action {
            display: inline-flex;
            align-items: center;
            min-height: 48px;
            margin-top: 28px;
            padding: 0 20px;
            border-radius: 8px;
            background: #2463d4;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: none;
        }
        .hero-primary-action:hover {
            background: #164fae;
            transform: translateY(-1px);
        }
        .hero-primary-action:focus-visible {
            outline: 3px solid rgba(36, 99, 212, .28);
            outline-offset: 3px;
        }
        body[data-surface="desktop"] .workspace-switcher.path-preview {
            width: min(100% - 48px, 1180px);
            margin: clamp(-228px, -15vw, -196px) auto 0;
            display: block;
            position: relative;
            z-index: 6;
        }
        .dual-path-canvas {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            position: relative;
            overflow: hidden;
            border: 1px solid #d2d2d7;
            border-radius: 18px 18px 0 0;
            background: rgba(255,255,255,.94);
            box-shadow: 0 18px 44px rgba(33, 44, 66, .11);
            backdrop-filter: blur(20px) saturate(1.1);
            -webkit-backdrop-filter: blur(20px) saturate(1.1);
        }
        .path-pane {
            min-width: 0;
            padding: 24px 28px 0;
            color: #1d1d1f;
            text-decoration: none;
            background: rgba(255,255,255,.80);
        }
        .path-pane + .path-pane {
            border-left: 1px solid #d2d2d7;
        }
        .path-pane.research-path { border-top: 2px solid #2463d4; }
        .path-pane.travel-path { border-top: 2px solid #f57c20; }
        .path-pane-header {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: start;
            gap: 14px;
            min-height: 76px;
        }
        .path-pane .business-svg-icon {
            width: 28px;
            height: 28px;
            margin-top: 2px;
        }
        .path-pane h2 {
            margin: 0;
            font-size: 23px;
            line-height: 1.1;
            letter-spacing: -.025em;
        }
        .research-path h2 { color: #2463d4; }
        .travel-path h2 { color: #e66a0d; }
        .path-pane p {
            margin: 7px 0 0;
            color: #6e6e73;
            font-size: 14px;
            line-height: 1.45;
        }
        .path-pane-arrow {
            color: #6e6e73;
            font-size: 22px;
            line-height: 1;
        }
        .path-screen {
            height: 128px;
            overflow: hidden;
            border: 1px solid rgba(0,0,0,.08);
            border-bottom: 0;
            border-radius: 12px 12px 0 0;
            background: #f5f5f7;
        }
        .path-screen picture,
        .path-screen img {
            display: block;
            width: 100%;
            height: 100%;
        }
        .path-screen img {
            object-fit: cover;
            object-position: top center;
            transition: transform .25s ease;
        }
        .path-pane:hover .path-screen img { transform: translateY(-3px) scale(1.01); }
        .path-bridge {
            display: grid;
            place-items: center;
            position: absolute;
            top: 88px;
            left: 50%;
            width: 58px;
            height: 58px;
            transform: translateX(-50%);
            border: 1px solid #d2d2d7;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 8px 22px rgba(0,0,0,.09);
            z-index: 2;
        }
        .path-bridge .site-logo {
            width: 44px;
            height: 44px;
        }
        .path-narrative {
            width: 100%;
            padding: 68px max(28px, calc((100% - 1080px) / 2)) 74px;
            background: #fff;
            border-top: 1px solid #e5e5e7;
        }
        .path-narrative-head {
            max-width: 720px;
            margin: 0 auto 44px;
            text-align: center;
        }
        .path-narrative-head h2 {
            margin: 0;
            color: #1d1d1f;
            font-size: clamp(38px, 4vw, 54px);
            line-height: 1;
            letter-spacing: -.045em;
        }
        .path-narrative-head p {
            margin: 16px auto 0;
            color: #6e6e73;
            font-size: 17px;
            line-height: 1.5;
        }
        .path-summary-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }
        .path-summary {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 18px;
            padding: 8px 46px;
            color: #1d1d1f;
            text-decoration: none;
        }
        .path-summary + .path-summary { border-left: 1px solid #d2d2d7; }
        .path-summary-icon {
            display: grid;
            place-items: center;
            width: 58px;
            height: 58px;
            border: 1px solid currentColor;
            border-radius: 50%;
        }
        .path-summary-icon .business-svg-icon {
            width: 28px;
            height: 28px;
        }
        .path-summary.research-summary { color: #2463d4; }
        .path-summary.travel-summary { color: #e66a0d; }
        .path-summary h3 {
            margin: 2px 0 7px;
            font-size: 21px;
            line-height: 1.15;
        }
        .path-summary p {
            margin: 0;
            color: #515154;
            font-size: 15px;
            line-height: 1.48;
        }
        .path-summary-action {
            display: inline-block;
            margin-top: 12px;
            font-size: 14px;
            font-weight: 700;
        }
        @media (max-width: 1180px) {
            body[data-surface="desktop"] .hero-copy {
                width: min(100% - 48px, 960px);
            }
            .workspace-switcher.path-preview {
                width: min(100% - 40px, 980px);
            }
            .path-pane { padding-left: 22px; padding-right: 22px; }
        }
        @media (max-width: 860px) {
            body[data-surface="desktop"] .hero-copy h1,
            body[data-surface="desktop"].lang-zh .hero-copy h1 {
                font-size: 58px;
            }
            .path-screen { height: 150px; }
            .path-summary { padding-left: 24px; padding-right: 24px; }
        }
        body[data-surface="mobile"] .hero-banner {
            min-height: 540px;
        }
        body[data-surface="mobile"] .hero-banner::after {
            background:
                linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.26) 44%, rgba(245,245,247,.30)),
                linear-gradient(90deg, rgba(255,255,255,.54), rgba(255,255,255,.04));
        }
        body[data-surface="mobile"] .hero-banner .asset-picture img {
            object-position: 63% center;
        }
        body[data-surface="mobile"] .hero-copy {
            align-items: start;
            justify-items: start;
            padding: 54px 20px 150px;
            text-align: left;
        }
        body[data-surface="mobile"] .hero-copy h1,
        body[data-surface="mobile"].lang-zh .hero-copy h1 {
            width: min(350px, calc(100vw - 40px));
            font-size: 42px;
            line-height: .94;
            letter-spacing: -.045em;
            text-align: left;
        }
        body[data-surface="mobile"] .hero-copy h1 strong { color: #2463d4; }
        body[data-surface="mobile"].lang-zh .hero-copy h1 .en-kicker {
            margin-bottom: 14px;
            font-size: 36px;
            line-height: .96;
        }
        body[data-surface="mobile"].lang-zh .hero-copy h1 {
            font-size: 28px;
            line-height: 1.04;
        }
        body[data-surface="mobile"] .hero-copy p,
        body[data-surface="mobile"].lang-zh .hero-copy p {
            width: min(330px, calc(100vw - 40px));
            margin-top: 16px;
            font-weight: 520;
            text-align: left;
        }
        body[data-surface="mobile"] .hero-primary-action {
            min-height: 44px;
            margin-top: 20px;
            padding: 0 16px;
        }
        body[data-surface="mobile"] .workspace-switcher.path-preview {
            width: calc(100% - 20px);
            margin: -106px auto 0;
        }
        body[data-surface="mobile"] .dual-path-canvas {
            grid-template-columns: 1fr;
            border-radius: 15px 15px 0 0;
        }
        body[data-surface="mobile"] .path-pane {
            padding: 18px 16px 0;
        }
        body[data-surface="mobile"] .path-pane + .path-pane {
            border-left: 0;
            border-top: 1px solid #d2d2d7;
        }
        body[data-surface="mobile"] .path-pane-header { min-height: 68px; }
        body[data-surface="mobile"] .path-pane h2 { font-size: 20px; }
        body[data-surface="mobile"] .path-screen { height: 128px; }
        body[data-surface="mobile"] .path-bridge { display: none; }
        body[data-surface="mobile"] .path-narrative {
            padding: 46px 20px 50px;
        }
        body[data-surface="mobile"] .path-narrative-head {
            margin-bottom: 30px;
            text-align: left;
        }
        body[data-surface="mobile"] .path-narrative-head h2 {
            font-size: 36px;
        }
        body[data-surface="mobile"] .path-narrative-head p {
            font-size: 15px;
        }
        body[data-surface="mobile"] .path-summary-grid {
            grid-template-columns: 1fr;
        }
        body[data-surface="mobile"] .path-summary {
            padding: 20px 0;
        }
        body[data-surface="mobile"] .path-summary + .path-summary {
            border-left: 0;
            border-top: 1px solid #d2d2d7;
        }
        body[data-surface="mobile"] .path-summary-icon {
            width: 50px;
            height: 50px;
        }