:root {
    --ink: #14162b;
    --ink-soft: #454a6b;
    --ink-mute: #666b8a;
    --bg: #ffffff;
    --bg-alt: #f5f6fc;
    --line: #dfe2f0;
    --night: #0a0d1e;
    --night-soft: #1a1740;
    --accent: #4f46e5;
    --accent-dark: #3f38b2;
    --mint: #c084fc;
    --sky: #6366f1;
    --radius: 14px;
    --shadow: 0 18px 48px rgba(9, 10, 30, 0.2);
    --container: 1120px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC',
        'Hiragino Sans GB', 'Source Han Sans SC', sans-serif;
    font-size: 17px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

:focus-visible {
    outline: 3px solid var(--mint);
    outline-offset: 2px;
}

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

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 100;
    padding: 10px 18px;
    background: #ffffff;
    color: var(--ink);
    border-radius: 8px;
    font-weight: 600;
    transition: top 0.15s ease-in;
}

.skip-link:focus {
    top: 12px;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 13, 30, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #f4f5ff;
    text-decoration: none;
}

.brand:hover {
    text-decoration: none;
}

.brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-text strong {
    font-size: 17px;
    letter-spacing: 0.2px;
}

.brand-text small {
    color: #a5aae0;
    font-size: 12px;
    letter-spacing: 1.4px;
}

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

.nav-button {
    display: none;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.site-nav a {
    display: inline-block;
    padding: 10px 12px;
    border-radius: 8px;
    color: #cfd3f5;
    font-size: 15px;
    line-height: 1.4;
    text-decoration: none;
}

.site-nav a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
}

.site-nav .nav-cta {
    margin-left: 8px;
    padding: 10px 20px;
    background: linear-gradient(115deg, var(--sky), var(--mint));
    color: #0b0d1e;
    font-weight: 700;
}

.site-nav .nav-cta:hover {
    color: #0b0d1e;
    background: linear-gradient(115deg, #818cf8, #d8b4fe);
}

/* ---------- buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 26px;
    border-radius: 10px;
    border: 1px solid transparent;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition:
        transform 0.12s ease,
        box-shadow 0.12s ease,
        background-color 0.12s ease;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(115deg, var(--sky), var(--mint));
    color: #0b0d1e;
    box-shadow: 0 10px 26px rgba(99, 102, 241, 0.32);
}

.btn-primary:hover {
    color: #0b0d1e;
    box-shadow: 0 14px 32px rgba(168, 85, 247, 0.32);
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.4);
    color: #eef0ff;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.btn-outline {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: #ffffff;
}

.btn-outline:hover {
    background: #f1f2fc;
    color: var(--accent-dark);
}

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

.hero {
    position: relative;
    overflow: hidden;
    padding: 72px 0 84px;
    color: #f0f1ff;
    background: radial-gradient(120% 120% at 12% 0%, #221c4d 0%, var(--night) 48%, #05060f 100%);
}

.hero::after {
    content: '';
    position: absolute;
    inset: auto -120px -260px auto;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent 68%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--sky);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2.4px;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0 0 20px;
    font-size: clamp(30px, 3.6vw, 44px);
    line-height: 1.28;
    letter-spacing: -0.3px;
    color: #ffffff;
}

.lede {
    margin: 0 0 28px;
    max-width: 34em;
    color: #cfd2ea;
    font-size: 17px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-meta {
    margin: 24px 0 6px;
    color: #b6bade;
    font-size: 14px;
}

.hero-note {
    margin: 0;
    color: #99a0c9;
    font-size: 14px;
}

.hero-links {
    margin: 12px 0 0;
    font-size: 14px;
}

.hero-links a {
    color: #b6bade;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.hero-figure {
    margin: 0;
}

.hero-figure img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: var(--shadow);
}

.hero-figure figcaption {
    margin-top: 12px;
    color: #99a0c9;
    font-size: 13px;
}

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

.section {
    padding: 76px 0;
}

.section-alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-label {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
}

.section h2 {
    margin: 0 0 14px;
    font-size: clamp(24px, 2.6vw, 33px);
    line-height: 1.35;
    letter-spacing: -0.2px;
}

.section-lede {
    margin: 0 0 36px;
    max-width: 44em;
    color: var(--ink-soft);
}

.section-lede-wide {
    max-width: none;
}

.inline-link {
    margin: 28px 0 0;
    color: var(--ink-soft);
    font-size: 15px;
}

/* ---------- scenes ---------- */

.scene-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.scene-card {
    padding: 26px 24px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.scene-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    line-height: 1.5;
}

.scene-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 15.5px;
}

.scene-card ul {
    margin: 0;
    padding-left: 20px;
    color: var(--ink-soft);
    font-size: 15.5px;
}

.scene-card li + li {
    margin-top: 6px;
}

.scene-card-muted {
    background: transparent;
    border-style: dashed;
    border-color: #d3d5ea;
}

/* ---------- features ---------- */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 26px 24px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.feature-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    line-height: 1.5;
}

.feature-card h3::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 10px;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--sky), var(--mint));
    vertical-align: 2px;
}

.feature-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 15.5px;
}

.shots {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 44px;
}

.shot {
    margin: 0;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.shot-wide {
    grid-column: 1 / -1;
    width: 100%;
    max-width: calc(50% - 12px);
    justify-self: center;
}

/* 超宽截图（例如 AAB 转 APK 的横向面板）整行铺开，按原比例显示，避免上下大量留白 */
.shot.shot-full {
    grid-column: 1 / -1;
}

.shot.shot-full img {
    aspect-ratio: auto;
    height: auto;
}

.shot img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: contain;
    object-position: center;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
}

.shot figcaption {
    margin: 0;
    padding: 12px 18px;
    color: var(--ink-mute);
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
}

/* ---------- steps ---------- */

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: step;
}

.steps li {
    position: relative;
    padding: 28px 24px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, #fcfcff, #ffffff);
}

.step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sky), var(--mint));
    color: #0b0d1e;
    font-weight: 800;
    font-size: 16px;
}

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

.steps p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 15.5px;
}

/* ---------- table ---------- */

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #ffffff;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15.5px;
}

table caption {
    padding: 16px 20px 0;
    color: var(--ink-mute);
    font-size: 13px;
    text-align: left;
}

th,
td {
    padding: 16px 20px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
}

thead th {
    background: #f0f1fb;
    color: var(--ink);
    font-size: 14px;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

tbody th {
    width: 33%;
    color: var(--ink);
    font-weight: 600;
    white-space: nowrap;
}

tbody td {
    color: var(--ink-soft);
}

tbody tr:last-child th,
tbody tr:last-child td {
    border-bottom: 0;
}

/* ---------- releases ---------- */

.releases {
    margin: 0;
    padding: 0;
    list-style: none;
    border-left: 2px solid var(--line);
}

.releases li {
    position: relative;
    padding: 0 0 28px 28px;
}

.releases li::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 9px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px #ffffff;
}

.releases li:last-child {
    padding-bottom: 0;
}

.release-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 6px;
}

.release-head strong {
    font-size: 19px;
}

.release-head time {
    color: var(--ink-mute);
    font-size: 14px;
}

.releases p {
    margin: 0;
    max-width: 52em;
    color: var(--ink-soft);
    font-size: 15.5px;
}

/* ---------- plans ---------- */

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.plan {
    display: flex;
    flex-direction: column;
    padding: 30px 26px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.plan-featured {
    border-color: #c4c2f7;
    box-shadow: 0 16px 40px rgba(79, 70, 229, 0.12);
}

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

.plan-price {
    margin: 0 0 18px;
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
}

.plan-price span {
    display: block;
    margin-top: 2px;
    color: var(--ink-mute);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.4px;
}

.plan ul {
    margin: 0 0 24px;
    padding-left: 20px;
    color: var(--ink-soft);
    font-size: 15.5px;
}

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

.plan .btn {
    margin-top: auto;
}

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

.faq details {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #ffffff;
    padding: 4px 20px;
}

.faq details + details {
    margin-top: 12px;
}

.faq summary {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 16px 0;
    font-size: 16.5px;
    font-weight: 600;
    line-height: 1.6;
    cursor: pointer;
    list-style: none;
}

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

.faq summary::before {
    content: '+';
    flex: 0 0 24px;
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
}

.faq details[open] summary::before {
    content: '–';
}

.faq details p {
    margin: 0 0 18px;
    padding-left: 36px;
    color: var(--ink-soft);
    font-size: 15.5px;
}

/* ---------- tutorials ---------- */

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
}

.tutorial-card {
    display: flex;
    flex-direction: column;
    padding: 22px 22px 20px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--ink);
    text-decoration: none;
    transition:
        border-color 0.15s ease,
        transform 0.15s ease,
        box-shadow 0.15s ease;
}

.tutorial-card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 26px rgba(9, 10, 30, 0.08);
    transform: translateY(-2px);
    text-decoration: none;
}

.tutorial-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--ink);
    transition: color 0.15s ease;
}

.tutorial-card:hover h3 {
    color: var(--accent-dark);
}

.tutorial-card p {
    margin: 0 0 14px;
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.65;
}

.tutorial-cta {
    margin-top: auto;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.tutorial-cta::after {
    content: ' →';
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 20px;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.contact-card h3 {
    margin: 0 0 16px;
    font-size: 16.5px;
    line-height: 1.4;
}

.contact-qr {
    margin: 0 0 14px;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 12px;
    line-height: 0;
}

.contact-qr img {
    width: 132px;
    height: 132px;
    object-fit: contain;
}

.contact-id {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.4px;
}

.contact-time {
    margin: 4px 0 12px;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
}

.contact-note {
    margin: 0 0 16px;
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.65;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: auto;
    padding: 9px 20px;
    border: 1px solid var(--accent);
    border-radius: 999px;
    background: #ffffff;
    color: var(--accent-dark);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color 0.15s ease,
        color 0.15s ease;
}

.contact-btn:hover {
    background: #f1f2fc;
    color: var(--accent-dark);
    text-decoration: none;
}

.contact-btn.is-copied {
    border-color: var(--mint);
    background: #f0edff;
    color: #3f38b2;
}

/* ---------- cta band ---------- */

.cta-band {
    padding: 60px 0;
    color: #f0f1ff;
    background: linear-gradient(115deg, #241a4a, #0a0d1e 60%, #1a2140);
}

.cta-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.cta-band h2 {
    margin: 0 0 8px;
    font-size: clamp(22px, 2.4vw, 30px);
    line-height: 1.4;
}

.cta-band p {
    margin: 0;
    max-width: 46em;
    color: #c3c6e8;
    font-size: 15.5px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

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

.site-footer {
    padding: 56px 0 28px;
    background: #070a18;
    color: #a8acd0;
    font-size: 15px;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
    gap: 40px;
}

.footer-brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    margin-bottom: 14px;
}

.footer-brand p {
    margin: 0 0 14px;
    max-width: 30em;
}

.footer-brand strong {
    color: #eceeff;
}

.footer-contact a {
    color: #cfd3f5;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-col h3 {
    margin: 0 0 8px;
    color: #eceeff;
    font-size: 15px;
    letter-spacing: 0.6px;
}

.footer-col a {
    padding: 6px 0;
    color: #a8acd0;
}

.footer-col a:hover {
    color: #ffffff;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #8286ab;
    font-size: 13.5px;
}

.footer-legal p {
    margin: 0;
}

.footer-legal a {
    color: #8286ab;
}

.footer-legal a:hover {
    color: #cfd3f5;
}

.footer-legal span {
    margin: 0 10px;
    color: #3a3f66;
}

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

@media (max-width: 1000px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 40px;
    }

    .hero-figure img {
        max-width: 760px;
    }

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

    .shot-wide {
        max-width: none;
    }

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

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

@media (max-width: 980px) {
    .nav-button {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 46px;
        height: 46px;
        margin-left: auto;
        padding: 0 11px;
        border: 1px solid rgba(255, 255, 255, 0.28);
        border-radius: 10px;
        cursor: pointer;
    }

    .nav-button span {
        display: block;
        height: 2px;
        border-radius: 2px;
        background: #dcdff5;
    }

    .nav-checkbox:focus-visible + .nav-button {
        outline: 3px solid var(--mint);
        outline-offset: 2px;
    }

    .site-nav {
        position: fixed;
        top: 66px;
        left: 12px;
        right: 12px;
        display: none;
        max-height: calc(100vh - 90px);
        overflow-y: auto;
        padding: 12px;
        background: #171a33;
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 12px;
        box-shadow: 0 20px 40px rgba(5, 6, 20, 0.55);
    }

    .nav-checkbox:checked ~ .site-nav {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav a {
        padding: 12px 14px;
    }

    .site-nav .nav-cta {
        margin: 8px 0 0;
        text-align: center;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 16px;
    }

    .container {
        padding-inline: 18px;
    }

    .hero {
        padding: 48px 0 56px;
    }

    .section {
        padding: 52px 0;
    }

    .scene-grid,
    .feature-grid,
    .plan-grid,
    .steps,
    .contact-grid,
    .tutorial-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-actions .btn,
    .cta-actions .btn {
        width: 100%;
    }

    .cta-actions {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
    }

    th,
    td {
        padding: 14px 16px;
    }

    tbody th {
        width: 40%;
        white-space: normal;
    }
}

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

    .btn {
        transition: none;
    }
}

/* ---------- chips ---------- */

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 22px;
    padding: 0;
    list-style: none;
}

.tag-row li {
    padding: 5px 13px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 999px;
    color: #d5d7f6;
    font-size: 13.5px;
    line-height: 1.6;
}

/* ---------- compare hints ---------- */

.compare-note {
    margin: 18px 0 0;
    padding: 16px 20px;
    border-left: 3px solid var(--accent);
    border-radius: 0 10px 10px 0;
    background: #f2f1fd;
    color: var(--ink-soft);
    font-size: 15px;
}

/* ---------- this page: keep the product name on one line ---------- */

.hero h1 {
    font-size: clamp(24px, 3vw, 38px);
}

.hero h1 .hero-h1-sub {
    display: block;
    margin-top: 12px;
    font-size: 0.68em;
    font-weight: 600;
    line-height: 1.5;
    color: #c7c9f7;
    letter-spacing: 0;
}

/* ---------- 品牌双层：主行简称、副行全称；首屏标题为全称，字号略收窄 ---------- */

.brand-text small {
    font-size: 11px;
    letter-spacing: 0;
    line-height: 1.2;
    opacity: 0.7;
}

.hero h1 {
    font-size: clamp(24px, 2.9vw, 34px);
}