:root {
    --bg: #0b1017;
    --bg-soft: #121822;
    --primary: #007bff;
    --primary-soft: #0f5ad4;
    --accent: #00d4ff;
    --text: #f6f7fb;
    --muted: #a4adbd;
    --card: #171e2a;
    --card-soft: #1d2634;
    --border: #232c3b;
    --radius: 14px;
    --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

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

html,
body {
    height: 100%;
    background: radial-gradient(circle at 10% 0%, #1a2740 0, #060910 55%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

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

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

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 16px;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
    background: linear-gradient(180deg, rgba(8, 10, 18, 0.9), rgba(8, 10, 18, 0.3));
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.logo-text-cn {
    font-size: 16px;
}

.logo-text-en {
    font-size: 11px;
    color: var(--muted);
}

.nav-links {
    display: flex;
    gap: 22px;
    font-size: 14px;
    color: var(--muted);
}

.nav-links a {
    position: relative;
    padding-bottom: 4px;
}

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

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width .20s ease-out;
}

.nav-links a:hover::after {
    width: 100%;
}

.btn {
    padding: 8px 16px;
    border-radius: 999px;
    border: none;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform .12s ease-out, box-shadow .12s ease-out;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(0, 122, 255, 0.55);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(8, 12, 20, 0.8);
    color: var(--muted);
}

.btn-outline:hover {
    background: rgba(17, 25, 40, 0.95);
    color: #fff;
}

.hero {
    padding: 60px 0 40px;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    color: var(--muted);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: radial-gradient(circle at 0 0, rgba(0, 212, 255, 0.45), transparent 55%), rgba(3, 8, 20, 0.9);
    margin-bottom: 16px;
}

.eyebrow span.badge {
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 10px;
    background: rgba(0, 212, 255, 0.18);
    color: #e9fbff;
}

.hero-title {
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: 14px;
}

.hero-title span.highlight {
    background: linear-gradient(120deg, #4fb7ff, #64ffe8);
    -webkit-background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.chart {
    margin-top: 4px;
    border-radius: 14px;
    background: linear-gradient(180deg, #111827, #050814);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 8px 10px 10px;
    position: relative;
    overflow: hidden;
}

.chart-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 26px 26px;
    opacity: .7;
    pointer-events: none;
}

.chart-line {
    position: relative;
    height: 80px;
    display: flex;
    align-items: flex-end;
    gap: 6px;
}

.chart-bar {
    flex: 1;
    border-radius: 999px 999px 0 0;
    background: linear-gradient(180deg, var(--accent), rgba(0, 212, 255, 0.06));
    transform-origin: bottom center;
    animation: pulseBar 2.4s ease-in-out infinite;
}

@keyframes pulseBar {

    0%,
    100% {
        transform: scaleY(1)
    }

    50% {
        transform: scaleY(1.08)
    }
}

/* Sections */
section {
    padding: 40px 0;
}

.section-title {
    font-size: 20px;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 22px;
}

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

.card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 16px;
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.4);
}

.card h3 {
    font-size: 15px;
    margin-bottom: 6px;
}

.card p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 10px;
}

.pill {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

/* Contact */
.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
}

.contact-box {
    background: var(--card-soft);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 16px;
    font-size: 13px;
    color: var(--muted);
}

.contact-row {
    margin-bottom: 8px;
}

.contact-row span.label {
    display: inline-block;
    width: 90px;
    color: #8e99ac;
}

.contact-form label {
    display: block;
    font-size: 12px;
    margin-bottom: 4px;
    color: #c6cfdd;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(3, 8, 20, 0.9);
    color: #fff;
    font-size: 13px;
    margin-bottom: 10px;
}

.contact-form textarea {
    min-height: 80px;
}

footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px 0 24px;
    background: #05060a;
    margin-top: 30px;
    font-size: 11px;
    color: var(--muted);
}

@media (max-width:900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

@media (max-width:720px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 24px;
    }

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