* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --page-background:
        radial-gradient(circle at top left, rgba(45, 127, 249, 0.16), transparent 28%),
        radial-gradient(circle at top right, rgba(0, 217, 163, 0.12), transparent 24%),
        linear-gradient(180deg, #06111d 0%, #040a12 100%);
    --hero-overlay:
        radial-gradient(circle at 50% 18%, rgba(45, 127, 249, 0.16), transparent 30%),
        linear-gradient(180deg, rgba(5, 12, 22, 0.2) 0%, rgba(5, 12, 22, 0.72) 100%);
    --header-bg: rgba(8, 22, 37, 0.86);
    --header-bg-strong: rgba(8, 22, 37, 0.94);
    --header-border: rgba(111, 216, 255, 0.08);
    --section-strong: linear-gradient(180deg, rgba(10, 28, 45, 0.94), rgba(7, 20, 34, 0.98));
    --section-soft: rgba(4, 10, 18, 0.95);
    --panel-bg: rgba(12, 29, 46, 0.72);
    --panel-bg-hover: rgba(15, 35, 54, 0.84);
    --panel-border: rgba(255, 255, 255, 0.08);
    --panel-shadow: 0 20px 45px rgba(3, 9, 18, 0.24);
    --visual-bg:
        radial-gradient(circle at top right, rgba(111, 216, 255, 0.18), transparent 24%),
        linear-gradient(145deg, rgba(45, 127, 249, 0.22), rgba(0, 217, 163, 0.1)),
        rgba(8, 22, 37, 0.78);
    --news-image-bg:
        radial-gradient(circle at top, rgba(111, 216, 255, 0.18), transparent 32%),
        linear-gradient(135deg, rgba(45, 127, 249, 0.22), rgba(0, 217, 163, 0.12));
    --button-secondary-hover: rgba(45, 127, 249, 0.16);
    --accent-blue: #2d7ff9;
    --accent-cyan: #6fd8ff;
    --accent-green: #00d9a3;
    --accent-gold: #f2c96b;
    --text-primary: #ffffff;
    --text-secondary: #e6edf5;
    --text-muted: #aab6c4;
    --surface-line: rgba(255, 255, 255, 0.08);
    --toggle-bg: rgba(255, 255, 255, 0.04);
    --toggle-border: rgba(255, 255, 255, 0.1);
    --toggle-active-bg: linear-gradient(135deg, rgba(45, 127, 249, 0.3), rgba(0, 217, 163, 0.2));
    --toggle-active-color: #ffffff;
    --particle-fill: rgba(111, 216, 255, 0.58);
    --particle-line-rgb: 0, 217, 163;
}

body.light-theme {
    --page-background:
        radial-gradient(circle at top left, rgba(45, 127, 249, 0.1), transparent 28%),
        radial-gradient(circle at top right, rgba(0, 166, 120, 0.08), transparent 24%),
        linear-gradient(180deg, #fbfdff 0%, #eef4fb 100%);
    --hero-overlay:
        radial-gradient(circle at 50% 18%, rgba(45, 127, 249, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(240, 246, 252, 0.72) 100%);
    --header-bg: rgba(255, 255, 255, 0.84);
    --header-bg-strong: rgba(255, 255, 255, 0.96);
    --header-border: rgba(16, 39, 61, 0.08);
    --section-strong: linear-gradient(180deg, rgba(247, 251, 255, 0.96), rgba(236, 244, 251, 0.98));
    --section-soft: rgba(247, 251, 255, 0.95);
    --panel-bg: rgba(255, 255, 255, 0.84);
    --panel-bg-hover: rgba(255, 255, 255, 0.96);
    --panel-border: rgba(17, 39, 61, 0.08);
    --panel-shadow: 0 18px 40px rgba(23, 60, 94, 0.08);
    --visual-bg:
        radial-gradient(circle at top right, rgba(45, 127, 249, 0.16), transparent 24%),
        linear-gradient(145deg, rgba(45, 127, 249, 0.12), rgba(0, 166, 120, 0.08)),
        rgba(255, 255, 255, 0.94);
    --news-image-bg:
        radial-gradient(circle at top, rgba(45, 127, 249, 0.12), transparent 32%),
        linear-gradient(135deg, rgba(45, 127, 249, 0.12), rgba(0, 166, 120, 0.08));
    --button-secondary-hover: rgba(45, 127, 249, 0.08);
    --accent-blue: #1769e0;
    --accent-cyan: #0a7dd8;
    --accent-green: #0aa679;
    --accent-gold: #b7791f;
    --text-primary: #11263a;
    --text-secondary: #17324d;
    --text-muted: #617a90;
    --surface-line: rgba(16, 39, 61, 0.08);
    --toggle-bg: rgba(17, 39, 61, 0.04);
    --toggle-border: rgba(17, 39, 61, 0.08);
    --toggle-active-bg: linear-gradient(135deg, rgba(45, 127, 249, 0.14), rgba(0, 166, 120, 0.1));
    --toggle-active-color: #17324d;
    --particle-fill: rgba(23, 105, 224, 0.26);
    --particle-line-rgb: 23, 105, 224;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--page-background);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.35s ease, color 0.35s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: fixed;
    inset: 0 0 auto;
    background: var(--header-bg);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--header-border);
    z-index: 1000;
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.header.is-scrolled {
    background: var(--header-bg-strong);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 20px;
}

.logo,
.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.logo-mark {
    height: 54px;
    width: auto;
    max-width: 64px;
    border-radius: 16px;
    box-shadow: 0 16px 30px rgba(45, 127, 249, 0.18);
    object-fit: contain;
    flex-shrink: 0;
}

.logo-stack {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0.8px;
    color: var(--text-primary);
}

.logo-sub {
    font-size: 11px;
    color: var(--accent-cyan);
    letter-spacing: 0.2px;
    line-height: 1.4;
    max-width: 340px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 22px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    position: relative;
    transition: color 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-cyan);
}

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -7px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.toggle-group {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: var(--toggle-bg);
    border: 1px solid var(--toggle-border);
}

.toggle-btn {
    min-width: 48px;
    padding: 9px 12px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.toggle-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.toggle-btn-icon {
    min-width: 40px;
    width: 40px;
    height: 40px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.toggle-btn:hover {
    transform: translateY(-1px);
}

.toggle-btn.is-active {
    background: var(--toggle-active-bg);
    color: var(--toggle-active-color);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 140px 0 80px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
    z-index: 1;
}

#particles-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1040px;
    padding: 0 20px;
    text-align: center;
}

.hero-title {
    font-size: 58px;
    font-weight: 800;
    line-height: 1.14;
    letter-spacing: -1px;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.hero-subtitle {
    max-width: 920px;
    margin: 0 auto 42px;
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-muted);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-bottom: 42px;
}

.btn {
    padding: 14px 30px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green), #3af4bf);
    color: #072233;
    box-shadow: 0 12px 30px rgba(0, 217, 163, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(0, 217, 163, 0.34);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(111, 216, 255, 0.28);
}

body.light-theme .btn-secondary {
    border-color: rgba(23, 105, 224, 0.18);
}

.btn-secondary:hover {
    background: var(--button-secondary-hover);
    transform: translateY(-2px);
}

.hero-insights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.insight-card,
.tech-card,
.product-text,
.product-image,
.rd-text,
.rd-partners,
.contact-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    box-shadow: var(--panel-shadow);
}

.insight-card {
    padding: 24px;
    border-radius: 20px;
    text-align: left;
}

.insight-label {
    display: inline-block;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(242, 201, 107, 0.14);
    color: var(--accent-gold);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.4px;
    margin-bottom: 14px;
}

.insight-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

section {
    padding: 100px 0;
}

.section-title {
    position: relative;
    margin-bottom: 62px;
    text-align: center;
    font-size: 38px;
    font-weight: 800;
    color: var(--text-primary);
}

.section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -18px;
    width: 72px;
    height: 3px;
    border-radius: 999px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
}

.technology,
.rd-vision,
.careers {
    background: var(--section-strong);
}

.products,
.footer {
    background: var(--section-soft);
}

.tech-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.tech-card {
    position: relative;
    overflow: hidden;
    padding: 34px 28px;
    border-radius: 18px;
    transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.tech-card:hover {
    transform: translateY(-8px);
    background: var(--panel-bg-hover);
    border-color: rgba(111, 216, 255, 0.28);
}

.card-icon {
    width: 58px;
    height: 58px;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.card-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 1.6;
}

.card-title {
    margin-bottom: 14px;
    font-size: 21px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-desc {
    margin-bottom: 18px;
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-muted);
}

.card-meta {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(45, 127, 249, 0.12);
    color: var(--accent-cyan);
    font-size: 12px;
    font-weight: 700;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(45, 127, 249, 0.1), transparent 48%, rgba(0, 217, 163, 0.06));
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.tech-card:hover .card-overlay {
    opacity: 1;
}

.data-flow {
    position: absolute;
    top: 52%;
    left: -100%;
    width: 200%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
    animation: flow 2.4s linear infinite;
}

@keyframes flow {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.product-tabs {
    max-width: 1040px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 14px 22px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--surface-line);
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

body.light-theme .tab-btn {
    background: rgba(17, 39, 61, 0.03);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--text-primary);
    background: rgba(45, 127, 249, 0.16);
    border-color: rgba(111, 216, 255, 0.24);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.45s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-content {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 36px;
    align-items: stretch;
}

.product-text,
.product-image,
.rd-text,
.rd-partners {
    border-radius: 24px;
}

.product-text,
.rd-text,
.rd-partners {
    padding: 36px 34px;
}

.product-text h3,
.rd-text h3 {
    margin-bottom: 18px;
    font-size: 30px;
    color: var(--text-primary);
}

.product-text p,
.rd-text p {
    margin-bottom: 28px;
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-muted);
}

.product-features,
.visual-points {
    list-style: none;
}

.product-features li {
    position: relative;
    padding: 12px 0 12px 28px;
    color: var(--text-secondary);
    border-top: 1px solid var(--surface-line);
}

.product-features li:first-child {
    border-top: none;
}

.product-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-size: 22px;
    line-height: 1;
}

.product-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 22px;
    padding: 12px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent-green), #3af4bf);
    color: #072233;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(0, 217, 163, 0.22);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(0, 217, 163, 0.3);
}

.product-image {
    padding: 24px;
}

.product-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    min-height: 320px;
    padding: 28px;
    border-radius: 18px;
    background: var(--visual-bg);
    border: 1px solid var(--panel-border);
}

.visual-label {
    margin-bottom: 14px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--accent-cyan);
}

.visual-title {
    margin-bottom: 24px;
    font-size: 30px;
    line-height: 1.24;
    color: var(--text-primary);
}

.visual-points {
    display: grid;
    gap: 12px;
}

.visual-points li {
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border: 1px solid var(--surface-line);
}

body.light-theme .visual-points li {
    background: rgba(17, 39, 61, 0.03);
}

.product-visual-logo {
    overflow: hidden;
}

.product-visual-logo::before {
    content: "";
    position: absolute;
    inset: 18px 18px auto;
    height: 140px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(45, 127, 249, 0.16), rgba(0, 217, 163, 0.08));
    filter: blur(0);
    opacity: 0.9;
    pointer-events: none;
}

.logo-tool-preview {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 26px;
    padding: 18px;
    border-radius: 20px;
    background: rgba(8, 18, 34, 0.32);
    border: 1px solid var(--surface-line);
    z-index: 1;
}

body.light-theme .logo-tool-preview {
    background: rgba(255, 255, 255, 0.72);
}

.logo-tool-preview img {
    display: block;
    width: min(100%, 220px);
    height: auto;
    border-radius: 18px;
    box-shadow: 0 20px 36px rgba(6, 20, 40, 0.22);
}

.product-visual-database {
    overflow: hidden;
}

.product-visual-database::before {
    content: "";
    position: absolute;
    inset: 18px 18px auto;
    height: 132px;
    border-radius: 20px;
    background:
        linear-gradient(135deg, rgba(242, 201, 107, 0.16), rgba(0, 217, 163, 0.08)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 20px);
    pointer-events: none;
}

.database-preview {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 26px;
    z-index: 1;
}

.database-preview div {
    padding: 18px 14px;
    border-radius: 16px;
    background: rgba(8, 18, 34, 0.36);
    border: 1px solid var(--surface-line);
}

body.light-theme .database-preview div {
    background: rgba(255, 255, 255, 0.72);
}

.database-preview span {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.database-preview strong {
    display: block;
    color: var(--text-primary);
    font-size: 28px;
    line-height: 1;
}

.rd-content {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 36px;
}

.rd-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.stat-item {
    padding: 22px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--surface-line);
}

body.light-theme .stat-item {
    background: rgba(17, 39, 61, 0.03);
}

.stat-number {
    margin-bottom: 8px;
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-green);
}

.stat-label {
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-copy {
    font-size: 13px;
    line-height: 1.75;
    color: var(--text-muted);
}

.rd-partners h4,
.footer-center h4,
.footer-right h4 {
    margin-bottom: 22px;
    font-size: 22px;
    color: var(--text-primary);
}

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

.partner-logo {
    padding: 18px 16px;
    border-radius: 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--surface-line);
}

body.light-theme .partner-logo {
    background: rgba(17, 39, 61, 0.03);
}

.careers-content {
    max-width: 1040px;
    margin: 0 auto;
    text-align: center;
}

.careers-intro {
    margin-bottom: 34px;
    font-size: 19px;
    line-height: 1.85;
    color: var(--text-muted);
}

.contact-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 34px;
}

.contact-card {
    padding: 24px;
    border-radius: 20px;
    text-align: left;
}

.contact-card h3 {
    margin-bottom: 12px;
    font-size: 18px;
    color: var(--text-primary);
}

.contact-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
}

.footer {
    padding: 56px 0 30px;
    border-top: 1px solid var(--surface-line);
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.7fr) minmax(0, 1fr);
    gap: 36px;
    margin-bottom: 32px;
}

.footer-logo {
    margin-bottom: 14px;
}

.footer-tagline {
    font-size: 15px;
    color: var(--text-muted);
}

.footer-center h4,
.footer-right h4 {
    font-size: 16px;
    margin-bottom: 18px;
}

.footer-center a {
    display: block;
    margin-bottom: 10px;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.25s ease;
}

.footer-center a:hover {
    color: var(--accent-cyan);
}

.footer-right p {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
    border-top: 1px solid var(--surface-line);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

.icp-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.25s ease;
}

.icp-link:hover {
    color: var(--accent-cyan);
}

@media (max-width: 1080px) {
    .header .container {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-insights,
    .tech-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-content,
    .rd-content,
    .footer-content,
    .contact-points {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header .container {
        justify-content: space-between;
        padding: 14px 20px;
    }

    .nav {
        display: none;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .logo-mark {
        height: 46px;
        max-width: 54px;
        border-radius: 14px;
    }

    .logo-text {
        font-size: 20px;
    }

    .logo-sub {
        max-width: 220px;
        font-size: 10px;
    }

    .hero {
        min-height: auto;
        padding: 126px 0 72px;
    }

    .hero-title {
        font-size: 34px;
        letter-spacing: 0;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-insights,
    .tech-cards,
    .partner-logos,
    .contact-points,
    .rd-stats {
        grid-template-columns: 1fr;
    }

    .tabs-nav {
        justify-content: stretch;
    }

    .tab-btn {
        width: 100%;
    }

    .product-text,
    .product-image,
    .rd-text,
    .rd-partners {
        padding: 26px 22px;
    }

    section {
        padding: 84px 0;
    }

    .section-title {
        font-size: 30px;
    }
}

/* 2026 brand refinement */
:root {
    --page-background: #07131f;
    --hero-overlay:
        radial-gradient(circle at 76% 36%, rgba(52, 156, 220, 0.14), transparent 34%),
        linear-gradient(110deg, rgba(4, 15, 27, 0.2), rgba(4, 15, 27, 0.78));
    --header-bg: rgba(7, 19, 31, 0.72);
    --header-bg-strong: rgba(7, 19, 31, 0.94);
    --section-strong: #0a1825;
    --section-soft: #07131f;
    --panel-bg: rgba(13, 31, 47, 0.78);
    --panel-bg-hover: rgba(16, 39, 59, 0.92);
    --panel-border: rgba(134, 200, 230, 0.12);
    --panel-shadow: 0 28px 80px rgba(0, 5, 12, 0.24);
    --accent-blue: #318bd3;
    --accent-cyan: #73d9f2;
    --accent-green: #20c89a;
    --accent-gold: #d9b665;
    --text-primary: #f5f8fb;
    --text-secondary: #d7e1e9;
    --text-muted: #91a5b6;
}

body.light-theme {
    --page-background: #f4f7f9;
    --hero-overlay:
        radial-gradient(circle at 76% 34%, rgba(33, 137, 196, 0.1), transparent 34%),
        linear-gradient(110deg, rgba(245, 248, 250, 0.15), rgba(235, 242, 246, 0.58));
    --header-bg: rgba(248, 250, 251, 0.82);
    --header-bg-strong: rgba(248, 250, 251, 0.96);
    --section-strong: #edf2f5;
    --section-soft: #f8fafb;
    --panel-bg: rgba(255, 255, 255, 0.88);
    --panel-bg-hover: #ffffff;
    --panel-border: rgba(18, 48, 65, 0.1);
    --panel-shadow: 0 30px 70px rgba(19, 50, 67, 0.08);
    --accent-blue: #146ea8;
    --accent-cyan: #147da6;
    --accent-green: #078d74;
    --accent-gold: #946b19;
    --text-primary: #102b3b;
    --text-secondary: #1d3b4c;
    --text-muted: #647b89;
}

body {
    font-family: "Avenir Next", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    letter-spacing: 0.01em;
}

.container {
    max-width: 1320px;
    padding-inline: 36px;
}

.header {
    border-bottom-color: rgba(125, 164, 184, 0.14);
}

.header .container {
    min-height: 88px;
    padding: 14px 36px;
}

.logo {
    gap: 12px;
}

.logo-mark {
    width: 56px;
    height: 56px;
    max-width: none;
    border-radius: 13px;
    box-shadow: 0 16px 34px rgba(14, 81, 126, 0.18);
}

.logo-text {
    font-size: 23px;
    font-weight: 750;
    letter-spacing: 0.12em;
}

.logo-sub {
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}

.nav {
    gap: 30px;
}

.nav-link {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.nav-link.active::after {
    bottom: -13px;
    height: 1px;
    background: var(--accent-blue);
}

.toggle-group {
    border-radius: 12px;
}

.toggle-btn {
    border-radius: 9px;
}

.hero {
    min-height: 860px;
    justify-content: flex-start;
    padding: 150px 0 90px;
    isolation: isolate;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(93, 146, 174, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(93, 146, 174, 0.12) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(90deg, transparent, #000 48%, #000 100%);
}

#particles-canvas {
    opacity: 0.42;
}

.hero-shell {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(0, 1.16fr) minmax(440px, 0.84fr);
    align-items: center;
    gap: clamp(48px, 7vw, 108px);
    width: 100%;
}

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

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 28px;
    color: var(--accent-cyan);
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.2em;
}

.kicker-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 0 7px rgba(32, 200, 154, 0.1);
}

.hero-title {
    margin-bottom: 28px;
    font-size: clamp(48px, 4vw, 64px);
    font-weight: 680;
    line-height: 1.12;
    letter-spacing: -0.055em;
    text-wrap: balance;
}

.hero-subtitle {
    max-width: 690px;
    margin: 0 0 36px;
    font-size: 17px;
    line-height: 1.95;
}

.hero-cta {
    justify-content: flex-start;
    margin-bottom: 52px;
}

.btn {
    border-radius: 8px;
    font-size: 14px;
    letter-spacing: 0.03em;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 24px;
    background: #166f9f;
    color: #fff;
    box-shadow: 0 18px 42px rgba(16, 99, 145, 0.24);
}

.btn-primary:hover {
    background: #0d608c;
    box-shadow: 0 22px 48px rgba(16, 99, 145, 0.3);
}

.btn-secondary {
    border-radius: 8px;
}

.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 680px;
    border-top: 1px solid var(--surface-line);
    border-bottom: 1px solid var(--surface-line);
}

.hero-proof div {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 10px;
    padding: 16px 18px;
    border-right: 1px solid var(--surface-line);
}

.hero-proof div:first-child {
    padding-left: 0;
}

.hero-proof div:last-child {
    border-right: 0;
}

.hero-proof strong {
    color: var(--accent-blue);
    font-size: 11px;
    letter-spacing: 0.12em;
}

.hero-proof span {
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
}

.hero-stage {
    position: relative;
    min-height: 590px;
    overflow: hidden;
    border: 1px solid rgba(109, 183, 215, 0.22);
    border-radius: 3px 52px 3px 3px;
    background:
        radial-gradient(circle at 50% 42%, rgba(40, 156, 190, 0.2), transparent 30%),
        linear-gradient(150deg, #102d42 0%, #071724 52%, #0a2630 100%);
    box-shadow: 0 44px 110px rgba(0, 10, 20, 0.28);
}

.hero-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.34;
    background-image:
        linear-gradient(rgba(112, 194, 221, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(112, 194, 221, 0.08) 1px, transparent 1px);
    background-size: 34px 34px;
}

.stage-topline,
.stage-foot {
    position: absolute;
    z-index: 4;
    left: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #8eafbf;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.16em;
}

.stage-topline {
    top: 26px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(150, 206, 226, 0.14);
}

.stage-status {
    color: #67d8b7;
}

.stage-status i {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 6px;
    border-radius: 50%;
    background: #67d8b7;
    box-shadow: 0 0 0 5px rgba(103, 216, 183, 0.1);
    animation: stagePulse 2s ease-in-out infinite;
}

.stage-foot {
    bottom: 22px;
    justify-content: center;
    color: #5f8293;
}

.molecule-field {
    position: absolute;
    z-index: 2;
    top: 92px;
    left: 50%;
    width: 330px;
    height: 330px;
    transform: translateX(-50%);
}

.orbit {
    position: absolute;
    inset: 50%;
    border: 1px solid rgba(113, 210, 236, 0.2);
    border-radius: 50%;
}

.orbit-one {
    width: 280px;
    height: 118px;
    transform: translate(-50%, -50%) rotate(18deg);
}

.orbit-two {
    width: 280px;
    height: 118px;
    transform: translate(-50%, -50%) rotate(138deg);
}

.orbit-three {
    width: 280px;
    height: 118px;
    transform: translate(-50%, -50%) rotate(258deg);
}

.atom {
    position: absolute;
    z-index: 3;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #57c6e8;
    box-shadow: 0 0 24px rgba(87, 198, 232, 0.8);
}

.atom-core {
    top: 50%;
    left: 50%;
    display: grid;
    place-items: center;
    width: 78px;
    height: 78px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(120, 224, 241, 0.45);
    background: rgba(20, 98, 127, 0.48);
    color: #d9f8ff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.16em;
    backdrop-filter: blur(8px);
}

.atom-a { top: 18%; left: 27%; }
.atom-b { top: 27%; right: 12%; background: #61d6af; }
.atom-c { bottom: 14%; left: 21%; background: #61d6af; }
.atom-d { right: 19%; bottom: 18%; }

.bond {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 1px;
    transform-origin: left center;
    background: linear-gradient(90deg, rgba(116, 214, 237, 0.75), rgba(116, 214, 237, 0.08));
}

.bond-a { transform: rotate(218deg); }
.bond-b { transform: rotate(322deg); }
.bond-c { transform: rotate(136deg); }
.bond-d { transform: rotate(42deg); }

.signal-panel {
    position: absolute;
    z-index: 4;
    left: 30px;
    right: 30px;
    bottom: 98px;
    padding: 16px 18px 18px;
    border: 1px solid rgba(139, 201, 222, 0.14);
    background: rgba(5, 19, 29, 0.58);
    backdrop-filter: blur(14px);
}

.signal-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    color: #6f93a4;
    font-size: 9px;
    letter-spacing: 0.14em;
}

.signal-heading strong {
    color: #66d8ba;
    font-size: 12px;
}

.signal-wave {
    display: flex;
    align-items: end;
    gap: 7px;
    height: 38px;
}

.signal-wave i {
    flex: 1;
    height: var(--h);
    min-height: 4px;
    background: linear-gradient(180deg, #5ed8ef, #1d7ea3);
    animation: signalMove 2.8s ease-in-out infinite alternate;
}

.signal-wave i:nth-child(3n) { animation-delay: -0.8s; }
.signal-wave i:nth-child(4n) { animation-delay: -1.5s; }

.stage-card {
    position: absolute;
    z-index: 5;
    top: 83px;
    width: 150px;
    padding: 14px;
    border: 1px solid rgba(141, 207, 227, 0.17);
    background: rgba(5, 21, 33, 0.68);
    backdrop-filter: blur(12px);
}

.stage-card-left { left: 20px; }
.stage-card-right { right: 20px; }

.stage-card span,
.stage-card small {
    display: block;
    color: #6d91a3;
    font-size: 8px;
    letter-spacing: 0.12em;
}

.stage-card strong {
    display: block;
    margin: 8px 0 4px;
    color: #e5f8fb;
    font-size: 20px;
    line-height: 1;
}

.hero-scroll {
    position: absolute;
    z-index: 5;
    right: 30px;
    bottom: 34px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 9px;
    letter-spacing: 0.15em;
    writing-mode: vertical-rl;
}

.hero-scroll span {
    width: 1px;
    height: 34px;
    background: var(--accent-blue);
}

.hero-copy > * {
    animation: heroReveal 0.8s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.hero-copy > *:nth-child(2) { animation-delay: 0.08s; }
.hero-copy > *:nth-child(3) { animation-delay: 0.16s; }
.hero-copy > *:nth-child(4) { animation-delay: 0.24s; }
.hero-copy > *:nth-child(5) { animation-delay: 0.32s; }

.hero-stage {
    animation: stageReveal 1s 0.2s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

@keyframes heroReveal {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes stageReveal {
    from { opacity: 0; transform: translateX(28px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes stagePulse {
    50% { opacity: 0.45; }
}

@keyframes signalMove {
    to { transform: scaleY(0.55); opacity: 0.55; }
}

section {
    padding: 128px 0;
}

.section-title {
    margin-bottom: 72px;
    text-align: left;
    font-size: clamp(38px, 4vw, 54px);
    font-weight: 650;
    letter-spacing: -0.04em;
}

.section-title::before {
    content: attr(data-kicker);
    display: block;
    margin-bottom: 14px;
    color: var(--accent-blue);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.22em;
}

.section-title::after {
    left: auto;
    right: 0;
    bottom: 18px;
    width: min(34vw, 360px);
    height: 1px;
    transform: none;
    background: var(--surface-line);
}

.technology {
    padding-block: 78px;
    border-block: 1px solid var(--surface-line);
}

.technology .section-title {
    margin-bottom: 46px;
}

.tech-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    counter-reset: tech-card;
    border-bottom: 1px solid var(--surface-line);
}

.tech-card {
    grid-column: auto;
    min-height: 226px;
    padding: 24px 26px;
    border: 0;
    border-top: 2px solid var(--accent-blue);
    border-right: 1px solid var(--surface-line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    counter-increment: tech-card;
}

.tech-card:last-child {
    border-right: 0;
}

.tech-card::before {
    content: "0" counter(tech-card);
    position: absolute;
    top: 26px;
    right: 28px;
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: 0.15em;
}

.tech-card:hover {
    transform: translateY(-3px);
    background: var(--panel-bg);
    border-top-color: var(--accent-green);
}

.card-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 20px;
    padding: 6px;
    border: 0;
    background: rgba(36, 135, 177, 0.1);
}

.card-title {
    font-size: 20px;
    letter-spacing: -0.02em;
}

.card-desc {
    max-width: 580px;
    margin-bottom: 12px;
    line-height: 1.68;
}

.card-meta {
    padding: 0;
    border: 0;
    background: transparent;
    letter-spacing: 0.05em;
}

.tech-card .card-overlay {
    display: none;
}

.products {
    background:
        linear-gradient(90deg, transparent 49.95%, rgba(99, 138, 157, 0.07) 50%, transparent 50.05%),
        var(--section-soft);
}

.product-tabs {
    max-width: none;
}

.tabs-nav {
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0;
    margin-bottom: 42px;
    overflow-x: auto;
    border-bottom: 1px solid var(--surface-line);
    scrollbar-width: thin;
}

.tab-btn {
    flex: 0 0 auto;
    padding: 16px 20px;
    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 13px;
}

body.light-theme .tab-btn {
    background: transparent;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--text-primary);
    background: transparent;
    border-color: var(--accent-blue);
}

.product-content {
    gap: 16px;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.product-text,
.product-image,
.rd-text,
.rd-partners,
.contact-card {
    border-radius: 4px;
}

.product-text,
.rd-text,
.rd-partners {
    padding: 48px;
}

.product-text h3,
.rd-text h3 {
    font-size: 36px;
    font-weight: 650;
    letter-spacing: -0.035em;
}

.product-image {
    padding: 14px;
}

.product-visual {
    min-height: 430px;
    border-radius: 2px;
}

.product-link {
    border-radius: 4px;
    background: #166f9f;
    color: #fff;
    box-shadow: 0 14px 30px rgba(16, 99, 145, 0.2);
}

.product-link:hover {
    background: #0d608c;
}

.rd-content {
    gap: 16px;
}

.stat-item,
.partner-logo,
.contact-card {
    border-radius: 3px;
}

.stat-item {
    min-height: 190px;
}

.stat-number {
    font-size: 13px;
    letter-spacing: 0.18em;
}

.careers-content {
    max-width: 1120px;
}

.contact-card {
    padding: 34px;
}

.footer {
    padding-top: 72px;
}

.footer-content {
    gap: 64px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
}

.icp-link {
    margin-top: 0;
}

@media (max-width: 1120px) {
    .hero-shell {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 850px;
    }

    .hero-stage {
        width: min(100%, 720px);
        min-height: 540px;
    }

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

    .tech-card {
        grid-column: auto;
        border-bottom: 1px solid var(--surface-line);
    }
}

@media (max-width: 768px) {
    .container {
        padding-inline: 20px;
    }

    .header .container {
        min-height: 76px;
        padding-inline: 20px;
        flex-wrap: nowrap;
        gap: 10px;
    }

    .logo {
        gap: 9px;
    }

    .logo-mark {
        width: 44px;
        height: 44px;
        border-radius: 10px;
    }

    .logo-text {
        font-size: 19px;
        letter-spacing: 0.08em;
        white-space: nowrap;
    }

    .logo-sub {
        display: none;
    }

    .header-actions {
        width: auto;
        gap: 6px;
    }

    .toggle-group {
        gap: 1px;
        padding: 2px;
    }

    .toggle-btn {
        min-width: 31px;
        padding: 7px 6px;
        font-size: 11px;
    }

    .toggle-btn-icon {
        width: 32px;
        height: 32px;
        min-width: 32px;
    }

    .hero {
        padding: 124px 0 82px;
    }

    .hero-shell {
        gap: 54px;
    }

    .hero-title {
        font-size: clamp(39px, 11vw, 52px);
        line-height: 1.14;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-cta {
        align-items: flex-start;
    }

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

    .hero-proof div,
    .hero-proof div:first-child {
        padding: 13px 0;
        border-right: 0;
        border-bottom: 1px solid var(--surface-line);
    }

    .hero-proof div:last-child {
        border-bottom: 0;
    }

    .hero-stage {
        min-height: 470px;
        border-radius: 3px 30px 3px 3px;
    }

    .molecule-field {
        top: 72px;
        width: 280px;
        height: 280px;
        transform: translateX(-50%) scale(0.82);
    }

    .stage-card {
        top: 72px;
        width: 126px;
    }

    .stage-card-left { left: 12px; }
    .stage-card-right { right: 12px; }

    .signal-panel {
        left: 16px;
        right: 16px;
        bottom: 70px;
    }

    .hero-scroll {
        display: none;
    }

    section {
        padding: 92px 0;
    }

    .section-title {
        margin-bottom: 52px;
        font-size: 36px;
    }

    .section-title::after {
        display: none;
    }

    .tech-cards {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        padding-bottom: 14px;
        border-bottom: 0;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }

    .tech-cards::-webkit-scrollbar {
        display: none;
    }

    .tech-card,
    .tech-card:nth-child(n) {
        flex: 0 0 86%;
        min-height: 260px;
        padding: 26px 20px;
        border-right: 1px solid var(--surface-line);
        border-bottom: 1px solid var(--surface-line);
        scroll-snap-align: start;
    }

    .tabs-nav {
        justify-content: flex-start;
    }

    .tab-btn {
        width: auto;
    }

    .product-text,
    .product-image,
    .rd-text,
    .rd-partners {
        padding: 28px 24px;
    }

    .product-visual {
        min-height: 340px;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-copy > *,
    .hero-stage,
    .stage-status i,
    .signal-wave i {
        animation: none;
    }
}