:root {
    --ink: #07111f;
    --ink-soft: #0d1b2a;
    --ink-card: #102239;
    --blue: #2f7cff;
    --blue-deep: #1f5fe0;
    --cyan: #22d3ee;
    --paper: #f6f8fc;
    --white: #ffffff;
    --text: #172033;
    --muted: #667085;
    --line: #e5eaf2;
    --success: #21c786;
    --warning: #ffb547;
    --danger: #ff647c;
    --shadow: 0 24px 70px rgba(25, 52, 90, 0.13);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 78px;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--text);
    background: var(--paper);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Segoe UI", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.modal-open {
    overflow: hidden;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

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

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

::selection {
    color: #fff;
    background: var(--blue);
}

.page-shell {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
}

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(7, 17, 31, 0.5);
    backdrop-filter: blur(18px);
    transition: background 220ms ease, box-shadow 220ms ease;
}

.site-header.scrolled {
    background: rgba(7, 17, 31, 0.96);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
}

.nav-shell {
    display: flex;
    align-items: center;
    width: min(1320px, calc(100% - 48px));
    min-height: 72px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.brand img {
    width: 154px;
    height: auto;
    object-fit: contain;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-copy strong {
    color: #fff;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.brand-copy small {
    color: rgba(255, 255, 255, 0.4);
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.13em;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-left: auto;
}

.desktop-nav a {
    position: relative;
    padding: 26px 0 24px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 14px;
    font-weight: 600;
    transition: color 180ms ease;
}

.desktop-nav a::after {
    position: absolute;
    right: 50%;
    bottom: 15px;
    left: 50%;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    content: "";
    transition: right 180ms ease, left 180ms ease;
}

.desktop-nav a:hover {
    color: #fff;
}

.desktop-nav a:hover::after {
    right: 0;
    left: 0;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: 30px;
}

.nav-buy {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    font-weight: 600;
    transition: color 180ms ease;
}

.nav-buy:hover {
    color: #fff;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button-small {
    min-height: 40px;
    padding: 0 18px;
    border-radius: 10px;
    font-size: 14px;
}

.button-large {
    min-height: 54px;
    padding: 0 28px;
}

.button-full {
    width: 100%;
}

.button-primary {
    color: #fff;
    background: linear-gradient(135deg, #3687ff 0%, #2468ee 100%);
    box-shadow: 0 12px 28px rgba(47, 124, 255, 0.3);
}

.button-primary:hover {
    box-shadow: 0 16px 36px rgba(47, 124, 255, 0.42);
}

.button-ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(12px);
}

.button-ghost:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.12);
}

.button-outline {
    color: #1e5ed8;
    border-color: #cad8f3;
    background: #f7faff;
}

.button-outline:hover {
    border-color: #87aef7;
    background: #eef5ff;
}

.button-light {
    color: var(--ink);
    background: #fff;
    box-shadow: 0 10px 25px rgba(7, 17, 31, 0.14);
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 10px;
    border: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    border-radius: 2px;
    background: #fff;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
    display: none;
    padding: 10px 24px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(7, 17, 31, 0.98);
}

.mobile-nav a {
    display: block;
    padding: 13px 6px;
    color: rgba(255, 255, 255, 0.82);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-weight: 600;
}

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 700px;
    overflow: hidden;
    color: #fff;
    background: var(--ink);
}

.hero-art {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 82% 46%, rgba(63, 126, 255, 0.2), transparent 26%),
        radial-gradient(circle at 52% 18%, rgba(39, 212, 238, 0.1), transparent 24%),
        linear-gradient(112deg, #07111f 0%, #08182a 55%, #06101c 100%);
    opacity: 1;
    transition: opacity 700ms ease;
}

.hero-grid,
.video-grid-bg {
    position: absolute;
    inset: 0;
    opacity: 0.11;
    background-image:
        linear-gradient(rgba(108, 154, 255, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 154, 255, 0.3) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(10px);
    pointer-events: none;
}

.hero-glow-one {
    top: 12%;
    left: 42%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(47, 124, 255, 0.2), transparent 66%);
}

.hero-glow-two {
    right: -120px;
    bottom: -80px;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.12), transparent 68%);
}

.hero-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(560px, 1.12fr);
    align-items: center;
    gap: 44px;
    padding: 108px 0 80px;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #66d9ff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.eyebrow span {
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.hero h1 {
    max-width: 620px;
    margin: 24px 0 24px;
    font-size: clamp(38px, 3.8vw, 52px);
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.hero h1 em {
    color: transparent;
    background: linear-gradient(92deg, #5da2ff 4%, #52e6f2 82%);
    -webkit-background-clip: text;
    background-clip: text;
    font-style: normal;
}

.hero-typewriter {
    display: inline-block;
    white-space: nowrap;
}

.hero-typewriter::after {
    content: "";
    display: inline-block;
    width: 2px;
    height: 0.88em;
    margin-left: 0.08em;
    vertical-align: -0.06em;
    background: #52e6f2;
    box-shadow: 0 0 10px rgba(82, 230, 242, 0.55);
    animation: hero-typewriter-caret 720ms steps(1, end) infinite;
}

@keyframes hero-typewriter-caret {
    0%, 48% {
        opacity: 1;
    }

    49%, 100% {
        opacity: 0;
    }
}

.hero-description {
    max-width: 620px;
    margin: 0;
    color: rgba(238, 246, 255, 0.72);
    font-size: 17px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 36px;
}

.trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 28px;
    color: rgba(255, 255, 255, 0.64);
    font-size: 13px;
}

.trust-row span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.trust-row i {
    color: #43d7ae;
}

.hero-console {
    position: relative;
    min-height: 440px;
    isolation: isolate;
    perspective: 1200px;
}

.hero-console::before {
    position: absolute;
    z-index: 1;
    right: -160px;
    bottom: -58px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(57, 147, 255, 0.2), rgba(31, 88, 178, 0.06) 45%, transparent 70%);
    filter: blur(2px);
    content: "";
    pointer-events: none;
}

.hero-console::after {
    position: absolute;
    z-index: 1;
    right: -10px;
    bottom: -42px;
    content: "ENGINE / CONTROL";
    color: rgba(102, 217, 255, 0.045);
    font: 900 56px/1 Arial, sans-serif;
    letter-spacing: -0.04em;
    white-space: nowrap;
    pointer-events: none;
}

.console-window {
    position: relative;
    z-index: 2;
    width: 100%;
    overflow: hidden;
    border: 1px solid rgba(141, 190, 255, 0.22);
    border-radius: 20px;
    background: rgba(11, 27, 47, 0.92);
    box-shadow: 0 42px 90px rgba(0, 0, 0, 0.46), 0 0 80px rgba(47, 124, 255, 0.1);
    transform: translateX(12px) rotateY(-2deg) rotateX(0.8deg);
    backdrop-filter: blur(20px);
}

.console-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.74);
    font-size: 11px;
}

.console-brand,
.console-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-dot,
.console-status span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.brand-dot {
    background: var(--blue);
    box-shadow: 0 0 12px rgba(47, 124, 255, 0.9);
}

.console-status span {
    background: var(--success);
    box-shadow: 0 0 12px rgba(33, 199, 134, 0.9);
}

.console-body {
    display: grid;
    grid-template-columns: 58px 1fr;
    min-height: 418px;
}

.console-sidebar {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 18px;
    padding-top: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(5, 15, 28, 0.62);
}

.sidebar-logo {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    margin-bottom: 5px;
    border-radius: 8px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), #1557d8);
    font-size: 11px;
    font-weight: 900;
}

.console-sidebar i {
    width: 30px;
    padding: 8px 0;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.32);
    text-align: center;
    font-size: 12px;
}

.console-sidebar i.active {
    color: #72c7ff;
    background: rgba(47, 124, 255, 0.16);
}

.console-content {
    padding: 22px;
}

.console-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.console-heading div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.console-heading small {
    color: rgba(255, 255, 255, 0.42);
    font-size: 10px;
}

.console-heading strong {
    color: #fff;
    font-size: 17px;
}

.demo-badge {
    padding: 5px 8px;
    border: 1px solid rgba(105, 177, 255, 0.24);
    border-radius: 7px;
    color: #72b8ff;
    background: rgba(47, 124, 255, 0.08);
    font-size: 9px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 11px;
    margin-top: 18px;
}

.metric-card {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
}

.metric-card span,
.metric-card small {
    color: rgba(255, 255, 255, 0.4);
    font-size: 9px;
}

.metric-card strong {
    color: #fff;
    font-size: 23px;
}

.metric-card.warning strong {
    color: #ffd07d;
}

.console-panels {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 11px;
    margin-top: 12px;
}

.chart-panel,
.risk-panel {
    min-height: 190px;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.065);
    border-radius: 12px;
    background: rgba(5, 17, 31, 0.42);
}

.panel-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.76);
    font-size: 10px;
}

.panel-title small {
    color: #66c8ff;
    font-size: 8px;
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 6px;
    height: 128px;
    margin-top: 22px;
    padding: 0 4px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: repeating-linear-gradient(to top, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 32px);
}

.chart-bars i {
    flex: 1;
    min-width: 4px;
    border-radius: 4px 4px 1px 1px;
    background: linear-gradient(to top, rgba(47, 124, 255, 0.26), #42a8ff);
    box-shadow: 0 0 8px rgba(47, 124, 255, 0.16);
}

.risk-row {
    display: grid;
    grid-template-columns: 20px 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.64);
    font-size: 8px;
}

.risk-row:last-child {
    border-bottom: 0;
}

.risk-row b {
    display: grid;
    place-items: center;
    width: 19px;
    height: 19px;
    border-radius: 6px;
    font-size: 8px;
}

.risk-high { color: #ff8a9d; background: rgba(255, 100, 124, 0.14); }
.risk-mid { color: #ffd07a; background: rgba(255, 181, 71, 0.14); }
.risk-low { color: #76dcb5; background: rgba(33, 199, 134, 0.14); }

.engine-modules .risk-row {
    grid-template-columns: 31px 1fr auto;
}

.engine-modules .risk-row b.module-ok {
    width: 29px;
    color: #76dcb5;
    background: rgba(33, 199, 134, 0.14);
    font-size: 6px;
}

.engine-modules .risk-row time {
    color: #76dcb5;
}

.risk-row time {
    color: rgba(255, 255, 255, 0.27);
}

.floating-proof {
    position: absolute;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 190px;
    padding: 12px 14px;
    border: 1px solid rgba(145, 195, 255, 0.24);
    border-radius: 13px;
    background: rgba(10, 27, 48, 0.9);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.26);
    backdrop-filter: blur(12px);
}

.floating-proof > i {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    color: #72d9ff;
    background: rgba(47, 124, 255, 0.14);
}

.floating-proof span {
    display: flex;
    flex-direction: column;
    gap: 3px;
    color: rgba(255, 255, 255, 0.44);
    font-size: 9px;
}

.floating-proof b {
    color: #fff;
    font-size: 11px;
}

.proof-one {
    right: -18px;
    bottom: -18px;
}

.proof-two {
    top: -24px;
    left: 38px;
}

.hero-bottom-fade {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--ink));
}

.value-strip {
    position: relative;
    z-index: 4;
    color: #fff;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: #091626;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.value-grid > div {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 104px;
    padding: 22px;
    border-right: 1px solid rgba(255, 255, 255, 0.07);
}

.value-grid > div:first-child {
    border-left: 1px solid rgba(255, 255, 255, 0.07);
}

.value-grid > div > i {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    color: #72ccff;
    background: rgba(47, 124, 255, 0.12);
    font-size: 17px;
}

.value-grid span {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.value-grid strong {
    font-size: 15px;
}

.value-grid small {
    color: rgba(255, 255, 255, 0.42);
    font-size: 13px;
    line-height: 1.55;
}

.section {
    position: relative;
    padding: 90px 0;
}

.section-light {
    background: var(--paper);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 42px;
}

.section-heading.centered {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-heading h2,
.showcase-copy h2,
.contact-copy h2 {
    margin: 14px 0 18px;
    color: var(--text);
    font-size: clamp(30px, 3vw, 40px);
    line-height: 1.22;
    letter-spacing: -0.035em;
}

.section-heading p,
.showcase-copy > p,
.contact-copy > p {
    margin: 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.9;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.capability-card {
    position: relative;
    overflow: hidden;
    min-height: 410px;
    padding: 38px 34px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 16px 44px rgba(45, 71, 111, 0.07);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.capability-card:hover {
    transform: translateY(-7px);
    border-color: #b9cff9;
    box-shadow: var(--shadow);
}

.capability-card.featured {
    color: #fff;
    border-color: rgba(81, 146, 255, 0.34);
    background:
        radial-gradient(circle at 90% 0%, rgba(34, 211, 238, 0.16), transparent 32%),
        linear-gradient(145deg, #0c2038, #0b1728);
    box-shadow: 0 26px 60px rgba(6, 25, 49, 0.2);
}

.capability-number {
    position: absolute;
    top: 20px;
    right: 25px;
    color: #edf2fa;
    font-size: 52px;
    font-weight: 900;
    letter-spacing: -0.07em;
}

.featured .capability-number {
    color: rgba(255, 255, 255, 0.06);
}

.capability-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 16px;
    color: var(--blue);
    background: #edf4ff;
    font-size: 22px;
}

.featured .capability-icon {
    color: #77dbff;
    background: rgba(47, 124, 255, 0.15);
}

.capability-card h3 {
    margin: 26px 0 14px;
    font-size: 25px;
}

.capability-card p {
    min-height: 78px;
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
}

.featured p {
    color: rgba(255, 255, 255, 0.58);
}

.capability-card ul {
    display: grid;
    gap: 11px;
    margin: 24px 0 0;
    padding: 22px 0 0;
    border-top: 1px solid var(--line);
    list-style: none;
}

.featured ul {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.capability-card li {
    position: relative;
    padding-left: 18px;
    color: #344054;
    font-size: 13px;
}

.featured li {
    color: rgba(255, 255, 255, 0.78);
}

.security-card {
    color: #fff;
    border-color: rgba(48, 129, 255, 0.32);
    background:
        radial-gradient(circle at 88% 4%, rgba(34, 211, 238, 0.18), transparent 29%),
        linear-gradient(145deg, #102742, #091827);
    box-shadow: 0 26px 60px rgba(6, 25, 49, 0.17);
}

.security-card .capability-number {
    color: rgba(255, 255, 255, 0.06);
}

.security-card .capability-icon {
    color: #77dbff;
    background: rgba(47, 124, 255, 0.15);
}

.security-card p {
    color: rgba(255, 255, 255, 0.58);
}

.security-card ul {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.security-card li {
    color: rgba(255, 255, 255, 0.78);
}

.capability-card li::before {
    position: absolute;
    top: 7px;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 0 4px rgba(47, 124, 255, 0.1);
    content: "";
}

.engine-intro-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 8% 15%, rgba(47, 124, 255, 0.07), transparent 25%),
        radial-gradient(circle at 92% 38%, rgba(34, 211, 238, 0.06), transparent 24%),
        var(--paper);
}

.engine-intro-section::before {
    position: absolute;
    top: 120px;
    right: -90px;
    color: rgba(39, 84, 143, 0.035);
    content: "ET";
    font-size: 380px;
    font-weight: 900;
    letter-spacing: -0.12em;
    line-height: 1;
    pointer-events: none;
}

.engine-intro-layout {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
    align-items: center;
    gap: 74px;
    padding: 8px 0 82px;
}

.engine-intro-copy {
    position: relative;
    padding-left: 30px;
}

.engine-intro-copy::before {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 0;
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(to bottom, var(--blue), var(--cyan), transparent 88%);
    content: "";
}

.intro-label {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border: 1px solid #d9e6fb;
    border-radius: 999px;
    color: #3467b7;
    background: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    font-weight: 800;
}

.engine-intro-copy h3 {
    max-width: 590px;
    margin: 19px 0 20px;
    font-size: clamp(28px, 2.8vw, 37px);
    line-height: 1.32;
    letter-spacing: -0.035em;
}

.engine-intro-copy p {
    margin: 0 0 15px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.95;
}

.engine-audience {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 26px;
}

.engine-audience span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 12px;
    border: 1px solid #dfe7f3;
    border-radius: 10px;
    color: #40516b;
    background: rgba(255, 255, 255, 0.78);
    font-size: 14px;
    font-weight: 700;
}

.engine-audience i {
    color: var(--blue);
}

.engine-scope {
    position: relative;
    overflow: hidden;
    padding: 28px;
    border: 1px solid rgba(87, 160, 255, 0.2);
    border-radius: 24px;
    color: #fff;
    background:
        linear-gradient(rgba(92, 155, 240, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(92, 155, 240, 0.055) 1px, transparent 1px),
        radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.14), transparent 32%),
        linear-gradient(145deg, #102a47, #071522);
    background-size: 34px 34px, 34px 34px, auto, auto;
    box-shadow: 0 34px 74px rgba(28, 55, 92, 0.2);
}

.engine-scope::after {
    position: absolute;
    right: -12px;
    bottom: -42px;
    color: rgba(255, 255, 255, 0.025);
    content: "ET";
    font-size: 170px;
    font-weight: 900;
    letter-spacing: -0.1em;
    pointer-events: none;
}

.engine-scope-head {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 23px;
}

.engine-scope-head > div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.engine-scope-head small {
    color: #62cfff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.engine-scope-head strong {
    font-size: 20px;
}

.engine-scope-head > span {
    padding: 7px 9px;
    border: 1px solid rgba(103, 205, 255, 0.18);
    border-radius: 8px;
    color: #73d4ff;
    background: rgba(47, 124, 255, 0.12);
    font-size: 12px;
    font-weight: 700;
}

.engine-scope-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.engine-scope-grid > div {
    display: flex;
    align-items: center;
    min-height: 90px;
    gap: 12px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 13px;
    background: rgba(4, 17, 30, 0.58);
    transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.engine-scope-grid > div:hover {
    border-color: rgba(93, 174, 255, 0.28);
    background: rgba(12, 39, 65, 0.78);
    transform: translateY(-2px);
}

.engine-scope-grid i {
    display: grid;
    place-items: center;
    width: 37px;
    height: 37px;
    flex: 0 0 auto;
    border-radius: 11px;
    color: #68d5ff;
    background: rgba(47, 124, 255, 0.14);
    font-size: 13px;
}

.engine-scope-grid span {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 4px;
}

.engine-scope-grid strong {
    font-size: 16px;
}

.engine-scope-grid small {
    overflow: hidden;
    color: rgba(255, 255, 255, 0.38);
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.engine-scope-footer {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 17px;
    padding: 14px 16px;
    border-radius: 11px;
    color: rgba(255, 255, 255, 0.63);
    background: rgba(47, 124, 255, 0.09);
    font-size: 13px;
}

.engine-scope-footer i {
    color: #48d5a5;
}

.bitness-section {
    position: relative;
    padding-top: 80px;
    border-top: 1px solid #dde5f0;
}

.bitness-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 50px;
    margin-bottom: 30px;
}

.bitness-heading h3 {
    margin: 13px 0 12px;
    font-size: clamp(28px, 2.8vw, 37px);
    line-height: 1.25;
    letter-spacing: -0.035em;
}

.bitness-heading p {
    max-width: 720px;
    margin: 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.85;
}

.choice-summary {
    min-width: 320px;
    padding: 18px 21px;
    border: 1px solid #d9e5f7;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 15px 34px rgba(40, 73, 116, 0.07);
}

.choice-summary small {
    display: block;
    margin-bottom: 8px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.09em;
}

.choice-summary strong {
    font-size: 15px;
    line-height: 1.75;
}

.bitness-compare {
    overflow: hidden;
    border: 1px solid #dae3ef;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.87);
    box-shadow: 0 22px 58px rgba(38, 67, 105, 0.09);
}

.bitness-row {
    display: grid;
    grid-template-columns: 170px repeat(2, minmax(0, 1fr));
    min-height: 75px;
    border-bottom: 1px solid #e8edf4;
}

.bitness-row:last-child {
    border-bottom: 0;
}

.bitness-row > div {
    display: flex;
    align-items: center;
    padding: 17px 22px;
    border-right: 1px solid #e8edf4;
    color: #526077;
    font-size: 15px;
    line-height: 1.75;
}

.bitness-row > div:last-child {
    border-right: 0;
}

.bitness-row .compare-dimension {
    gap: 9px;
    color: #2d3b52;
    background: rgba(240, 244, 250, 0.72);
    font-size: 14px;
    font-weight: 800;
}

.compare-dimension i {
    width: 16px;
    color: var(--blue);
    text-align: center;
}

.bitness-row-head {
    min-height: 104px;
    color: #fff;
    border-bottom: 0;
    background: #091827;
}

.bitness-row-head > div {
    color: #fff;
    border-right-color: rgba(255, 255, 255, 0.08);
}

.bitness-row-head .compare-dimension {
    color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.025);
    font-size: 13px;
    letter-spacing: 0.08em;
}

.bitness-title {
    gap: 13px;
    background: radial-gradient(circle at 100% 0%, rgba(47, 124, 255, 0.14), transparent 44%);
}

.bitness-title > span {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    flex: 0 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 15px;
    color: #fff;
    font-size: 20px;
    font-weight: 900;
}

.bitness-32 > span {
    color: #ffcf6d;
    background: rgba(255, 184, 48, 0.1);
}

.bitness-64 > span {
    color: #6edfff;
    background: rgba(34, 211, 238, 0.1);
}

.bitness-title > div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.bitness-title strong {
    font-size: 20px;
}

.bitness-title small {
    color: rgba(255, 255, 255, 0.42);
    font-size: 13px;
}

.choice-row {
    background: linear-gradient(90deg, rgba(255, 194, 73, 0.04), rgba(47, 124, 255, 0.055));
}

.choice-row [role="cell"] {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
}

.choice-row [role="cell"] strong {
    color: #21334f;
    font-size: 15px;
}

.choice-row [role="cell"] small {
    color: #8490a3;
    font-size: 13px;
    line-height: 1.65;
}

.bitness-note {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    margin: 18px 0 0;
    color: #8a95a7;
    font-size: 13px;
    line-height: 1.7;
}

.bitness-note i {
    margin-top: 3px;
    color: var(--blue);
}

.video-section {
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(circle at 12% 18%, rgba(47, 124, 255, 0.16), transparent 27%),
        radial-gradient(circle at 86% 82%, rgba(34, 211, 238, 0.1), transparent 25%),
        #07111f;
}

.section-heading-dark h2,
.contact-copy h2 {
    color: #fff;
}

.section-heading-dark p {
    color: rgba(255, 255, 255, 0.55);
}

.video-section-head,
.downloads-section-head {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 34px;
    margin-bottom: 42px;
}

.video-section-head .section-heading,
.downloads-section-head .section-heading {
    margin-bottom: 0;
}

.video-more-link,
.download-more-link {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 45px;
    padding: 0 17px;
    border: 1px solid rgba(101, 202, 255, 0.28);
    border-radius: 10px;
    color: #9fddff;
    background: rgba(47, 124, 255, 0.08);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.video-more-link:hover,
.download-more-link:hover {
    border-color: rgba(101, 202, 255, 0.55);
    color: #fff;
    background: rgba(47, 124, 255, 0.16);
}

.video-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(330px, 0.72fr);
    gap: 20px;
}

.featured-video,
.video-playlist {
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.045);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.22);
}

.featured-video {
    overflow: hidden;
}

.video-poster-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #020711;
}

.video-poster-wrap > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.76;
    filter: saturate(0.82) contrast(1.04);
    transition: opacity 180ms ease, transform 500ms ease;
}

.featured-video:hover .video-poster-wrap > img {
    transform: scale(1.02);
}

.poster-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, rgba(4, 12, 23, 0.96), transparent 45%),
        radial-gradient(circle at center, transparent 10%, rgba(4, 12, 23, 0.36) 78%);
}

.video-label {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.82);
    background: rgba(7, 17, 31, 0.62);
    backdrop-filter: blur(10px);
    font-size: 11px;
    font-weight: 700;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    place-items: center;
    width: 76px;
    height: 76px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(135deg, rgba(67, 143, 255, 0.96), rgba(31, 95, 224, 0.96));
    box-shadow: 0 16px 38px rgba(47, 124, 255, 0.4);
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.play-button:hover {
    box-shadow: 0 20px 48px rgba(47, 124, 255, 0.54);
    transform: translate(-50%, -50%) scale(1.06);
}

.play-button:disabled {
    opacity: 0.42;
    cursor: wait;
    box-shadow: none;
}

.play-button:disabled:hover {
    transform: translate(-50%, -50%);
}

.play-button i {
    margin-left: 4px;
    font-size: 22px;
}

.video-progress {
    position: absolute;
    right: 20px;
    bottom: 15px;
    left: 20px;
    height: 3px;
    overflow: hidden;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.18);
}

.video-progress span {
    display: block;
    width: 38%;
    height: 100%;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.featured-video-copy {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 26px 27px;
}

.featured-video-copy small,
.video-item small {
    color: #61c9ff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.featured-video-copy h3 {
    margin: 7px 0 7px;
    font-size: 23px;
}

.featured-video-copy p {
    max-width: 560px;
    margin: 0;
    color: rgba(255, 255, 255, 0.49);
    font-size: 12px;
    line-height: 1.7;
}

.sound-note {
    flex: 0 0 auto;
    color: rgba(255, 255, 255, 0.34);
    font-size: 10px;
}

.sound-note i {
    margin-right: 6px;
}

.video-playlist {
    display: grid;
    align-content: start;
    gap: 1px;
    overflow: hidden;
    padding: 8px;
}

.video-layout.single-video {
    grid-template-columns: minmax(0, 900px);
    justify-content: center;
}

.video-layout.single-video .video-playlist {
    display: none;
}

.video-home-state {
    min-height: 100%;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 9px;
    padding: 34px 22px;
    color: rgba(255, 255, 255, 0.45);
    text-align: center;
}

.video-home-state i {
    color: #65caff;
    font-size: 25px;
}

.video-home-state strong {
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
}

.video-home-state span {
    font-size: 11px;
    line-height: 1.6;
}

.video-item {
    display: grid;
    grid-template-columns: 116px 1fr;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 10px;
    border: 1px solid transparent;
    border-radius: 14px;
    color: #fff;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: border-color 180ms ease, background 180ms ease;
}

.video-item:hover,
.video-item.active {
    border-color: rgba(98, 171, 255, 0.2);
    background: rgba(47, 124, 255, 0.1);
}

.video-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border-radius: 10px;
    background: #020711;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.63;
}

.video-thumb.thumb-role {
    background: radial-gradient(circle at center, #1b4776, #071522 74%);
}

.video-thumb.thumb-role img {
    object-fit: contain;
    opacity: 0.82;
}

.video-thumb i {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: #fff;
    background: rgba(47, 124, 255, 0.88);
    font-size: 9px;
    transform: translate(-50%, -50%);
}

.video-item-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 5px;
}

.video-item-copy strong {
    overflow: hidden;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.video-item-copy em {
    overflow: hidden;
    color: rgba(255, 255, 255, 0.38);
    font-size: 10px;
    font-style: normal;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.video-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.video-chips span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.52);
    background: rgba(255, 255, 255, 0.035);
    font-size: 11px;
}

.video-chips i {
    color: #68cfff;
}

.product-showcase {
    overflow: hidden;
    background: #fff;
}

.showcase-row {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 80px;
    padding: 42px 0 96px;
}

.showcase-row:last-child {
    padding-top: 78px;
    padding-bottom: 20px;
    border-top: 1px solid var(--line);
}

.showcase-row.reverse .showcase-media {
    order: 2;
}

.showcase-media {
    position: relative;
}

.engine-architecture {
    min-height: 440px;
    padding: 27px;
    border: 1px solid rgba(56, 127, 230, 0.18);
    border-radius: 24px;
    color: #fff;
    background:
        linear-gradient(rgba(86, 148, 230, 0.065) 1px, transparent 1px),
        linear-gradient(90deg, rgba(86, 148, 230, 0.065) 1px, transparent 1px),
        radial-gradient(circle at 50% 38%, rgba(47, 124, 255, 0.2), transparent 39%),
        linear-gradient(145deg, #102944, #081521);
    background-size: 34px 34px, 34px 34px, auto, auto;
    box-shadow: 0 35px 80px rgba(18, 44, 74, 0.23);
}

.architecture-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.48);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.architecture-head span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.architecture-head i {
    color: #38d59f;
    font-size: 6px;
    filter: drop-shadow(0 0 7px rgba(56, 213, 159, 0.8));
}

.architecture-core {
    display: flex;
    align-items: center;
    width: min(330px, 82%);
    min-height: 90px;
    gap: 16px;
    margin: 42px auto 0;
    padding: 17px 19px;
    border: 1px solid rgba(104, 180, 255, 0.3);
    border-radius: 17px;
    background: linear-gradient(135deg, rgba(47, 124, 255, 0.25), rgba(19, 54, 89, 0.72));
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22), inset 0 0 36px rgba(70, 150, 255, 0.07);
}

.architecture-core > i {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    flex: 0 0 auto;
    border-radius: 14px;
    color: #7adaff;
    background: rgba(42, 128, 255, 0.18);
    font-size: 20px;
}

.architecture-core span {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.architecture-core small {
    color: rgba(255, 255, 255, 0.38);
    font-size: 7px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.architecture-core strong {
    font-size: 18px;
}

.architecture-core em {
    margin-left: auto;
    padding: 6px 8px;
    border: 1px solid rgba(115, 212, 255, 0.18);
    border-radius: 8px;
    color: #73d4ff;
    background: rgba(7, 25, 44, 0.6);
    font-size: 8px;
    font-style: normal;
    font-weight: 700;
    white-space: nowrap;
}

.architecture-lines {
    position: relative;
    width: 68%;
    height: 46px;
    margin: 0 auto;
    border-right: 1px solid rgba(104, 180, 255, 0.28);
    border-bottom: 1px solid rgba(104, 180, 255, 0.28);
    border-left: 1px solid rgba(104, 180, 255, 0.28);
}

.architecture-lines::before {
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
    content: "";
    background: rgba(104, 180, 255, 0.28);
}

.architecture-nodes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 13px;
}

.architecture-nodes > div {
    display: flex;
    align-items: center;
    min-width: 0;
    min-height: 82px;
    gap: 11px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 13px;
    background: rgba(5, 17, 30, 0.72);
}

.architecture-nodes > div > i {
    color: #66cfff;
    font-size: 15px;
}

.architecture-nodes span {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 4px;
}

.architecture-nodes strong {
    overflow: hidden;
    font-size: 10px;
    text-overflow: ellipsis;
}

.architecture-nodes small {
    color: rgba(255, 255, 255, 0.38);
    font-size: 7px;
    white-space: nowrap;
}

.browser-frame {
    overflow: hidden;
    padding: 10px;
    border: 1px solid #dbe4f3;
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 35px 80px rgba(38, 65, 107, 0.17);
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 9px;
}

.browser-bar > span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e1e7f0;
}

.browser-bar span:nth-child(1) { background: #ff7a86; }
.browser-bar span:nth-child(2) { background: #ffc85a; }
.browser-bar span:nth-child(3) { background: #58d49b; }

.browser-bar small {
    margin-left: 8px;
    color: #98a2b3;
    font-size: 9px;
}

.browser-frame > img {
    width: 100%;
    border: 1px solid #e8edf4;
    border-radius: 13px;
}

.media-tag {
    position: absolute;
    right: -18px;
    bottom: -18px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 17px;
    border: 1px solid #dce7fa;
    border-radius: 12px;
    color: #2859ac;
    background: #fff;
    box-shadow: 0 16px 34px rgba(37, 72, 124, 0.14);
    font-size: 11px;
    font-weight: 700;
}

.showcase-copy h2 {
    font-size: clamp(30px, 3vw, 40px);
}

.feature-list {
    display: grid;
    gap: 17px;
    margin: 30px 0;
}

.feature-list > div {
    display: flex;
    align-items: flex-start;
    gap: 13px;
}

.feature-list > div > i {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 25px;
    height: 25px;
    margin-top: 2px;
    border-radius: 8px;
    color: var(--blue);
    background: #edf4ff;
    font-size: 10px;
}

.feature-list span {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.feature-list strong {
    font-size: 14px;
}

.feature-list small {
    color: #8a94a6;
    font-size: 11px;
    line-height: 1.65;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--blue-deep);
    font-size: 13px;
    font-weight: 800;
}

.text-link i {
    transition: transform 180ms ease;
}

.text-link:hover i {
    transform: translateX(4px);
}

.cloud-board {
    overflow: hidden;
    padding: 26px;
    border: 1px solid rgba(86, 159, 255, 0.16);
    border-radius: 22px;
    color: #fff;
    background:
        radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.12), transparent 32%),
        linear-gradient(145deg, #0e2239, #091725);
    box-shadow: 0 35px 80px rgba(18, 44, 74, 0.23);
}

.cloud-board-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.cloud-board-head > div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.cloud-board-head small {
    color: rgba(255, 255, 255, 0.38);
    font-size: 9px;
}

.cloud-board-head strong {
    font-size: 18px;
}

.cloud-board-head > span {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 6px 9px;
    border-radius: 8px;
    color: #70dcaf;
    background: rgba(33, 199, 134, 0.1);
    font-size: 9px;
}

.cloud-board-head > span i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
}

.cloud-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 9px;
    margin-top: 24px;
}

.cloud-stats > div {
    display: grid;
    gap: 5px;
    padding: 14px 12px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.045);
}

.cloud-stats small,
.cloud-stats em {
    color: rgba(255, 255, 255, 0.34);
    font-size: 8px;
    font-style: normal;
}

.cloud-stats strong {
    font-size: 20px;
}

.cloud-table {
    margin-top: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
}

.cloud-table > div {
    display: grid;
    grid-template-columns: 1.1fr 1fr 0.9fr 0.75fr;
    gap: 8px;
    padding: 13px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.62);
    font-size: 9px;
}

.cloud-table > div:last-child {
    border-bottom: 0;
}

.cloud-table .cloud-table-head {
    color: rgba(255, 255, 255, 0.34);
    background: rgba(255, 255, 255, 0.035);
}

.status-safe,
.status-warn,
.status-check {
    font-weight: 700;
}

.status-safe { color: #66d7a8; }
.status-warn { color: #ffc467; }
.status-check { color: #69bcff; }

.demo-watermark {
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.2);
    text-align: right;
    font-size: 8px;
    letter-spacing: 0.08em;
}

.workflow-section {
    background:
        linear-gradient(180deg, #f6f8fc, #eef3fa);
}

.workflow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 16px;
}

.workflow article {
    position: relative;
    min-height: 230px;
    padding: 28px 22px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.86);
    text-align: center;
    box-shadow: 0 15px 40px rgba(46, 72, 109, 0.06);
}

.workflow article > span {
    position: absolute;
    top: 18px;
    right: 20px;
    color: #e3eaf5;
    font-size: 27px;
    font-weight: 900;
}

.workflow-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin: 8px auto 19px;
    border-radius: 17px;
    color: var(--blue);
    background: linear-gradient(145deg, #edf4ff, #e2eeff);
    font-size: 21px;
}

.workflow h3 {
    margin: 0 0 10px;
    font-size: 16px;
}

.workflow p {
    margin: 0;
    color: #7a8496;
    font-size: 11px;
    line-height: 1.7;
}

.workflow-arrow {
    color: #abc3ec;
    font-size: 15px;
}

.compatibility-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin-top: 48px;
    padding: 29px 32px;
    border: 1px solid #dce5f3;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 18px 42px rgba(44, 70, 107, 0.07);
}

.compatibility-copy {
    display: flex;
    align-items: center;
    gap: 18px;
}

.compatibility-icon {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 62px;
    height: 62px;
    border-radius: 17px;
    color: #fff;
    background: linear-gradient(135deg, #3687ff, #1f5fe0);
    box-shadow: 0 14px 28px rgba(47, 124, 255, 0.26);
    font-size: 25px;
}

.compatibility-copy small {
    color: #6e98de;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.compatibility-copy h3 {
    margin: 5px 0 6px;
    font-size: 18px;
}

.compatibility-copy p {
    margin: 0;
    color: #7c8798;
    font-size: 11px;
}

.compatibility-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.compatibility-tags span {
    padding: 8px 11px;
    border: 1px solid #dbe6f7;
    border-radius: 8px;
    color: #536a8c;
    background: #f7faff;
    font-size: 9px;
    font-weight: 700;
}

.downloads-section {
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(circle at 50% -10%, rgba(47, 124, 255, 0.2), transparent 36%),
        #07111f;
}

.downloads-glow {
    position: absolute;
    top: 60px;
    left: 50%;
    width: 700px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(34, 211, 238, 0.08), transparent 66%);
    transform: translateX(-50%);
}

.download-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.download-grid.download-count-1 {
    max-width: 430px;
    grid-template-columns: 1fr;
    margin-right: auto;
    margin-left: auto;
}

.download-grid.download-count-2 {
    max-width: 820px;
    grid-template-columns: repeat(2, 1fr);
    margin-right: auto;
    margin-left: auto;
}

.download-grid.download-count-3 {
    max-width: 990px;
    grid-template-columns: repeat(3, 1fr);
    margin-right: auto;
    margin-left: auto;
}

.home-download-state {
    grid-column: 1 / -1;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 9px;
    min-height: 260px;
    padding: 34px;
    border: 1px dashed rgba(111, 200, 255, 0.22);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.035);
    text-align: center;
}

.home-download-state i {
    margin-bottom: 4px;
    color: #69cbff;
    font-size: 24px;
}

.home-download-state strong {
    color: rgba(255, 255, 255, 0.86);
    font-size: 15px;
}

.home-download-state span {
    font-size: 12px;
}

.download-card {
    position: relative;
    display: flex;
    min-height: 495px;
    flex-direction: column;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(12px);
}

.download-card.engine-card {
    border-color: rgba(255, 197, 76, 0.3);
    background:
        radial-gradient(circle at 88% 0%, rgba(255, 190, 57, 0.1), transparent 29%),
        rgba(255, 255, 255, 0.055);
}

.engine-card .download-icon {
    color: #ffd06c;
    background: rgba(255, 186, 47, 0.11);
}

.engine-card > small {
    color: #ffd06c;
}

.download-card.recommended {
    border-color: rgba(86, 160, 255, 0.5);
    background:
        radial-gradient(circle at 90% 0%, rgba(34, 211, 238, 0.1), transparent 27%),
        linear-gradient(155deg, rgba(47, 124, 255, 0.17), rgba(255, 255, 255, 0.055));
    box-shadow: 0 30px 70px rgba(15, 72, 161, 0.24);
}

.recommend-label {
    position: absolute;
    top: 0;
    right: 26px;
    padding: 7px 13px;
    border-radius: 0 0 9px 9px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), #1e60dd);
    font-size: 9px;
    font-weight: 800;
}

.download-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin-bottom: 24px;
    border-radius: 16px;
    color: #73d4ff;
    background: rgba(47, 124, 255, 0.14);
    font-size: 21px;
}

.download-card > small {
    color: #64c8ff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.download-card h3 {
    margin: 8px 0 13px;
    font-size: 22px;
}

.download-card > p {
    min-height: 72px;
    margin: 0;
    color: rgba(255, 255, 255, 0.48);
    font-size: 12px;
    line-height: 1.8;
}

.download-card dl {
    display: grid;
    gap: 0;
    margin: 24px 0 27px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.download-card dl > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 11px;
}

.download-card dt {
    color: rgba(255, 255, 255, 0.35);
}

.download-card dd {
    margin: 0;
    color: rgba(255, 255, 255, 0.76);
}

.download-card .button {
    margin-top: auto;
}

.download-card .button.is-disabled {
    cursor: not-allowed;
    opacity: 0.54;
    pointer-events: none;
}

.downloads-section .button-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
}

.downloads-section .button-outline:hover {
    border-color: rgba(255, 255, 255, 0.32);
    background: rgba(255, 255, 255, 0.1);
}

.download-note {
    margin: 24px 0 0;
    color: rgba(255, 255, 255, 0.36);
    text-align: center;
    font-size: 10px;
}

.download-note i {
    margin-right: 7px;
    color: #64c9ff;
}

.contact-section {
    position: relative;
    overflow: hidden;
    padding: 88px 0;
    color: #fff;
    background:
        radial-gradient(circle at 84% 46%, rgba(108, 231, 255, 0.3), transparent 24%),
        linear-gradient(105deg, #1559c9 0%, #1c73ee 58%, #124da9 100%);
}

.contact-section::after {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    background-image: linear-gradient(rgba(255,255,255,0.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.2) 1px, transparent 1px);
    background-size: 48px 48px;
    content: "";
}

.contact-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    align-items: center;
    gap: 70px;
}

.contact-copy .section-kicker {
    color: rgba(255, 255, 255, 0.72);
}

.contact-copy h2 {
    max-width: 750px;
}

.contact-copy > p {
    color: rgba(255, 255, 255, 0.68);
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    margin-top: 30px;
}

.contact-section .button-primary {
    color: #1f5dcb;
    background: #fff;
    box-shadow: 0 16px 38px rgba(5, 31, 85, 0.22);
}

.contact-section .button-light {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: none;
}

.copy-feedback {
    min-height: 20px;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 11px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 25px 60px rgba(5, 34, 89, 0.2);
    backdrop-filter: blur(18px);
}

.qr-wrap {
    position: relative;
    display: block;
    flex: 0 0 auto;
    width: 116px;
    height: 157px;
    margin: 0;
    padding: 7px;
    border: 0;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 14px 34px rgba(3, 23, 62, 0.22);
    cursor: zoom-in;
    appearance: none;
}

.qr-wrap > img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: contain;
}

.qr-action-hint {
    position: absolute;
    right: 8px;
    bottom: 8px;
    padding: 4px 7px;
    border-radius: 999px;
    color: #fff;
    background: rgba(8, 31, 73, 0.78);
    box-shadow: 0 5px 16px rgba(0, 0, 0, 0.2);
    font-size: 9px;
    line-height: 1;
    pointer-events: none;
}

.qr-hover-preview {
    position: absolute;
    z-index: 30;
    right: calc(100% + 18px);
    bottom: -10px;
    width: 277px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 28px 70px rgba(2, 18, 51, 0.38);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px) scale(0.96);
    transform-origin: right bottom;
    transition: opacity 160ms ease, visibility 160ms ease, transform 160ms ease;
    pointer-events: none;
}

.qr-hover-preview img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 11px;
}

@media (hover: hover) and (pointer: fine) {
    .qr-wrap:hover .qr-hover-preview,
    .qr-wrap:focus-visible .qr-hover-preview {
        opacity: 1;
        visibility: visible;
        transform: translateX(0) scale(1);
    }
}

.contact-card > div:last-child {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-card small {
    color: rgba(255, 255, 255, 0.57);
    font-size: 9px;
}

.contact-card strong {
    font-size: 16px;
}

.contact-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.52);
    font-size: 9px;
    line-height: 1.6;
}

.qr-modal {
    position: fixed;
    z-index: 2100;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
}

.qr-modal.open {
    opacity: 1;
    visibility: visible;
}

.qr-modal-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(2, 8, 18, 0.86);
    backdrop-filter: blur(12px);
    cursor: zoom-out;
}

.qr-modal-card {
    position: relative;
    z-index: 1;
    width: min(360px, 100%);
    padding: 24px 24px 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    color: #fff;
    text-align: center;
    background: linear-gradient(160deg, #102d5d 0%, #07162b 100%);
    box-shadow: 0 35px 100px rgba(0, 0, 0, 0.48);
    transform: translateY(10px) scale(0.96);
    transition: transform 200ms ease;
}

.qr-modal.open .qr-modal-card {
    transform: translateY(0) scale(1);
}

.qr-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    display: grid;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    place-items: center;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.qr-modal-kicker {
    display: block;
    color: #63d7ff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.2em;
}

.qr-modal-card h2 {
    margin: 7px 36px 18px;
    font-size: 20px;
}

.qr-modal-card > img {
    display: block;
    width: min(277px, 100%);
    height: auto;
    margin: 0 auto;
    padding: 8px;
    border-radius: 16px;
    background: #fff;
}

.qr-modal-card p {
    margin: 16px 0 0;
    color: rgba(255, 255, 255, 0.67);
    font-size: 12px;
}

.site-footer {
    padding: 70px 0 24px;
    color: #fff;
    background: #050c16;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr repeat(3, 0.65fr);
    gap: 70px;
    padding-bottom: 48px;
}

.footer-lockup {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-lockup img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.footer-lockup.footer-engine-logo img {
    width: 160px;
    height: auto;
}

.footer-lockup span {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.footer-lockup strong {
    font-size: 20px;
}

.footer-lockup small {
    color: rgba(255, 255, 255, 0.35);
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.footer-brand p {
    max-width: 290px;
    margin: 20px 0 0;
    color: rgba(255, 255, 255, 0.38);
    font-size: 11px;
    line-height: 1.8;
}

.footer-grid > div:not(.footer-brand) {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-grid h3 {
    margin: 0 0 6px;
    font-size: 13px;
}

.footer-grid a {
    color: rgba(255, 255, 255, 0.4);
    font-size: 10px;
    transition: color 180ms ease;
}

.footer-grid a:hover {
    color: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.26);
    font-size: 9px;
}

.video-modal {
    position: fixed;
    z-index: 2000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 28px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
}

.video-modal.open {
    opacity: 1;
    visibility: visible;
}

.video-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 7, 14, 0.88);
    backdrop-filter: blur(12px);
}

.video-modal-card {
    position: relative;
    z-index: 1;
    width: min(960px, 100%);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    color: #fff;
    background: #0b192b;
    box-shadow: 0 45px 100px rgba(0, 0, 0, 0.58);
    transform: translateY(18px) scale(0.98);
    transition: transform 200ms ease;
}

.video-modal.open .video-modal-card {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    z-index: 3;
    top: 14px;
    right: 14px;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    color: #fff;
    background: rgba(3, 10, 19, 0.72);
    cursor: pointer;
}

.modal-demo-stage {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #030914;
}

.modal-demo-stage > img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.48;
    filter: saturate(0.72);
}

.modal-demo-stage::after {
    display: none;
}

.modal-demo-stage > video,
.modal-demo-stage > iframe {
    width: 100%;
    height: 100%;
    border: 0;
    background: #030914;
    object-fit: contain;
}

.modal-scan {
    position: absolute;
    z-index: 1;
    top: -30%;
    right: 0;
    left: 0;
    height: 30%;
    background: linear-gradient(to bottom, transparent, rgba(63, 166, 255, 0.14), transparent);
    animation: scan 3.2s linear infinite;
}

@keyframes scan {
    to { top: 110%; }
}

.modal-play-state {
    position: absolute;
    z-index: 2;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    text-align: center;
}

.modal-play-state i {
    color: #65caff;
    font-size: 54px;
    filter: drop-shadow(0 8px 20px rgba(47, 124, 255, 0.4));
}

.modal-play-state span {
    font-size: 17px;
    font-weight: 800;
}

.modal-play-state small {
    color: rgba(255, 255, 255, 0.48);
    font-size: 10px;
}

.modal-video-copy {
    padding: 24px 28px 28px;
}

.modal-video-copy small {
    color: #65caff;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.modal-video-copy h3 {
    margin: 7px 0 8px;
    font-size: 22px;
}

.modal-video-copy p {
    margin: 0;
    color: rgba(255, 255, 255, 0.48);
    font-size: 11px;
    line-height: 1.7;
}

.back-to-top {
    position: fixed;
    z-index: 900;
    right: 24px;
    bottom: 24px;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 13px;
    color: #fff;
    background: rgba(7, 17, 31, 0.88);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-short {
    transition-delay: 90ms;
}

.reveal-delay {
    transition-delay: 160ms;
}

/* Readability pass: information-bearing text remains comfortable at normal viewing distance. */
.console-topbar {
    font-size: 13px;
}

.console-heading small,
.demo-badge,
.metric-card span,
.metric-card small,
.panel-title small {
    font-size: 12px;
}

.panel-title {
    font-size: 13px;
}

.risk-row {
    grid-template-columns: 31px 1fr auto;
    font-size: 12px;
}

.risk-row b,
.engine-modules .risk-row b.module-ok {
    width: 29px;
    height: 24px;
    font-size: 10px;
}

.floating-proof span {
    font-size: 12px;
}

.floating-proof b {
    font-size: 14px;
}

.engine-scope-grid strong {
    font-size: 17px;
}

.engine-scope-grid small {
    color: rgba(255, 255, 255, 0.62);
    font-size: 14px;
}

.engine-scope-footer {
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
}

.video-label,
.video-chips span {
    font-size: 14px;
}

.featured-video-copy small,
.video-item small,
.sound-note {
    font-size: 13px;
}

.featured-video-copy p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 15px;
}

.video-item-copy strong {
    font-size: 15px;
}

.video-item-copy em {
    color: rgba(255, 255, 255, 0.56);
    font-size: 13px;
}

.architecture-head,
.architecture-core small,
.architecture-core em,
.architecture-nodes small,
.browser-bar small {
    font-size: 12px;
}

.architecture-nodes strong {
    font-size: 14px;
}

.media-tag,
.feature-list small {
    font-size: 14px;
}

.text-link {
    font-size: 15px;
}

.cloud-board-head small,
.cloud-board-head > span,
.cloud-stats small,
.cloud-stats em,
.demo-watermark {
    font-size: 12px;
}

.cloud-table > div {
    font-size: 12px;
}

.workflow h3 {
    font-size: 18px;
}

.workflow p {
    font-size: 14px;
}

.compatibility-copy small {
    font-size: 12px;
}

.compatibility-copy p {
    font-size: 14px;
    line-height: 1.7;
}

.compatibility-tags span {
    font-size: 13px;
}

.recommend-label {
    font-size: 12px;
}

.download-card > small,
.download-note {
    font-size: 13px;
}

.download-card > p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 15px;
}

.download-card dl > div {
    font-size: 14px;
}

.copy-feedback,
.contact-card small,
.contact-card p {
    font-size: 13px;
}

.footer-brand p,
.footer-grid a {
    font-size: 14px;
}

.footer-grid h3 {
    font-size: 16px;
}

.footer-bottom {
    font-size: 12px;
}

@media (max-width: 1180px) {
    .desktop-nav {
        gap: 19px;
    }

    .nav-actions {
        margin-left: 20px;
    }

    .nav-buy {
        display: none;
    }

    .hero-layout {
        grid-template-columns: minmax(0, 0.88fr) minmax(480px, 1.12fr);
        gap: 38px;
    }

    .console-panels {
        grid-template-columns: 1fr;
    }

    .risk-panel {
        display: none;
    }

    .showcase-row {
        gap: 55px;
    }

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

    .download-grid.download-count-3 {
        max-width: 820px;
        grid-template-columns: repeat(2, 1fr);
    }

    .workflow {
        gap: 10px;
    }

    .workflow article {
        min-height: 220px;
        padding: 26px 14px;
    }
}

@media (max-width: 980px) {
    .desktop-nav,
    .nav-actions {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .mobile-nav.open {
        display: block;
    }

    .hero {
        min-height: auto;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 65px;
        padding: 110px 0 90px;
    }

    .hero-copy {
        max-width: 720px;
    }

    .hero-console {
        width: min(680px, 95%);
        margin: 0 auto;
    }

    .hero-art {
        background-position: 70% center;
    }

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

    .value-grid > div:nth-child(2) {
        border-right: 1px solid rgba(255, 255, 255, 0.07);
    }

    .value-grid > div:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

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

    .capability-card {
        min-height: 0;
    }

    .capability-card p {
        min-height: 0;
    }

    .engine-intro-layout {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .engine-intro-copy {
        max-width: 760px;
    }

    .engine-scope {
        width: min(720px, 100%);
    }

    .bitness-heading {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 24px;
    }

    .choice-summary {
        width: min(480px, 100%);
        min-width: 0;
    }

    .bitness-row {
        grid-template-columns: 145px repeat(2, minmax(0, 1fr));
    }

    .bitness-row > div {
        padding: 16px;
    }

    .video-layout {
        grid-template-columns: 1fr;
    }

    .video-playlist {
        grid-template-columns: repeat(2, 1fr);
    }

    .video-item {
        grid-template-columns: 100px 1fr;
    }

    .showcase-row,
    .showcase-row.reverse {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .showcase-row.reverse .showcase-media {
        order: 0;
    }

    .showcase-copy {
        max-width: 720px;
    }

    .workflow {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .workflow-arrow {
        display: none;
    }

    .compatibility-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .compatibility-tags {
        justify-content: flex-start;
    }

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

    .download-grid.download-count-2,
    .download-grid.download-count-3 {
        max-width: 430px;
        grid-template-columns: 1fr;
    }

    .download-card {
        min-height: 0;
    }

    .download-card > p {
        min-height: 0;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-card {
        max-width: 460px;
    }

    .footer-grid {
        grid-template-columns: 1.4fr repeat(3, 0.7fr);
        gap: 34px;
    }
}

@media (max-width: 700px) {
    .page-shell,
    .nav-shell {
        width: min(100% - 32px, 1200px);
    }

    .nav-shell {
        min-height: 64px;
    }

    .brand img {
        width: 140px;
        height: auto;
    }

    .brand-copy strong {
        font-size: 16px;
    }

    .hero-layout {
        gap: 48px;
        padding: 96px 0 78px;
    }

    .hero h1 {
        font-size: 31px;
    }

    .hero h1 .hero-typewriter {
        font-size: clamp(24px, 7.7vw, 31px);
        letter-spacing: -0.055em;
    }

    .hero-description {
        font-size: 15px;
        line-height: 1.8;
    }

    .hero-actions .button {
        width: 100%;
    }

    .trust-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .hero-console {
        width: 100%;
        min-height: 400px;
        padding-top: 0;
    }

    .console-window {
        width: 100%;
        transform: none;
    }

    .hero-console::before {
        top: -42px;
        right: -150px;
        bottom: auto;
        width: 430px;
        height: 430px;
    }

    .console-body {
        grid-template-columns: 44px 1fr;
        min-height: 350px;
    }

    .console-sidebar {
        gap: 10px;
    }

    .console-sidebar i {
        width: 26px;
    }

    .console-content {
        padding: 15px;
    }

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

    .metric-card:last-child {
        display: none;
    }

    .floating-proof {
        display: none;
    }

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

    .value-grid > div,
    .value-grid > div:first-child,
    .value-grid > div:nth-child(2) {
        min-height: 86px;
        border-right: 1px solid rgba(255, 255, 255, 0.07);
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        border-left: 1px solid rgba(255, 255, 255, 0.07);
    }

    .section {
        padding: 68px 0;
    }

    .section-heading {
        margin-bottom: 38px;
    }

    .section-heading h2,
    .showcase-copy h2,
    .contact-copy h2 {
        font-size: 30px;
    }

    .section-heading p,
    .showcase-copy > p,
    .contact-copy > p {
        font-size: 14px;
    }

    .capability-card {
        padding: 31px 27px;
    }

    .engine-intro-section::before {
        top: 150px;
        right: -35px;
        font-size: 210px;
    }

    .engine-intro-layout {
        gap: 38px;
        padding-bottom: 66px;
    }

    .engine-intro-copy {
        padding-left: 21px;
    }

    .engine-intro-copy h3 {
        font-size: 30px;
    }

    .engine-scope {
        padding: 21px;
        border-radius: 19px;
    }

    .bitness-section {
        padding-top: 64px;
    }

    .bitness-heading h3 {
        font-size: 31px;
    }

    .bitness-compare {
        border-radius: 16px;
    }

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

    .bitness-row-head {
        grid-template-columns: repeat(2, 1fr);
        min-height: 88px;
    }

    .bitness-row-head .compare-dimension {
        display: none;
    }

    .bitness-title {
        padding: 14px !important;
    }

    .bitness-title > span {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        font-size: 16px;
    }

    .bitness-title strong {
        font-size: 16px;
    }

    .bitness-row:not(.bitness-row-head) > div {
        border-right: 0;
        border-bottom: 1px solid #e8edf4;
    }

    .bitness-row:not(.bitness-row-head) > div:last-child {
        border-bottom: 0;
    }

    .bitness-row:not(.bitness-row-head) .compare-dimension {
        min-height: 50px;
        padding: 12px 17px;
        color: #203552;
        background: #eef4fc;
    }

    .bitness-row:not(.bitness-row-head) [role="cell"] {
        display: grid;
        grid-template-columns: 50px 1fr;
        gap: 10px;
        padding: 15px 17px;
    }

    .bitness-row:not(.bitness-row-head) [role="cell"]::before {
        align-self: start;
        padding: 4px 6px;
        border-radius: 6px;
        color: #986311;
        background: #fff4dc;
        content: "32 位";
        font-size: 12px;
        font-weight: 800;
        text-align: center;
    }

    .bitness-row:not(.bitness-row-head) [role="cell"]:nth-child(3)::before {
        color: #167093;
        background: #e3f8ff;
        content: "64 位";
    }

    .choice-row [role="cell"] {
        align-items: initial;
    }

    .choice-row [role="cell"] strong,
    .choice-row [role="cell"] small {
        grid-column: 2;
    }

    .featured-video-copy {
        align-items: flex-start;
        flex-direction: column;
        padding: 21px;
    }

    .sound-note {
        display: none;
    }

    .video-playlist {
        grid-template-columns: 1fr;
    }

    .video-item {
        grid-template-columns: 110px 1fr;
    }

    .showcase-row {
        padding-bottom: 75px;
    }

    .cloud-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .engine-architecture {
        min-height: 0;
        padding: 21px;
    }

    .architecture-core {
        width: 100%;
        margin-top: 30px;
    }

    .architecture-lines {
        width: 76%;
    }

    .architecture-nodes {
        grid-template-columns: 1fr;
    }

    .architecture-lines {
        display: none;
    }

    .architecture-nodes {
        margin-top: 16px;
    }

    .cloud-table > div {
        grid-template-columns: 1.2fr 1fr 0.8fr;
    }

    .cloud-table > div span:nth-child(3) {
        display: none;
    }

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

    .workflow article {
        min-height: 0;
    }

    .compatibility-card {
        padding: 24px;
    }

    .compatibility-copy {
        align-items: flex-start;
    }

    .download-card {
        padding: 28px;
    }

    .contact-actions .button {
        width: 100%;
    }

    .contact-card {
        align-items: flex-start;
        max-width: 100%;
    }

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

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

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .video-modal {
        padding: 14px;
    }

    .modal-video-copy {
        padding: 20px;
    }
}

@media (max-width: 700px) {
    .video-section-head,
    .downloads-section-head {
        align-items: stretch;
        flex-direction: column;
        gap: 20px;
        margin-bottom: 30px;
    }

    .video-more-link,
    .download-more-link {
        align-self: flex-start;
    }
}

@media (max-width: 460px) {
    .eyebrow {
        font-size: 10px;
    }

    .hero h1 {
        font-size: 31px;
    }

    .console-topbar {
        padding: 0 12px;
    }

    .console-status {
        display: none;
    }

    .chart-panel {
        min-height: 170px;
    }

    .chart-bars {
        height: 110px;
    }

    .play-button {
        width: 62px;
        height: 62px;
    }

    .video-item {
        grid-template-columns: 90px 1fr;
    }

    .engine-scope-grid {
        grid-template-columns: 1fr;
    }

    .engine-scope-head > span {
        display: none;
    }

    .engine-audience span {
        flex: 1 1 calc(50% - 5px);
        justify-content: center;
    }

    .cloud-board {
        padding: 19px;
    }

    .compatibility-copy {
        flex-direction: column;
    }

    .contact-card {
        flex-direction: column;
    }

    .qr-wrap {
        width: 126px;
        height: 170px;
    }

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

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

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}