:root {
    --bg: #0b1220;
    --card: #0f1a33;
    --muted: #9fb2d0;
    --text: #eaf1ff;
    --brand: #67e8f9;
    --brand2: #a78bfa;
    --line: rgba(255, 255, 255, .10);
    --shadow: 0 20px 60px rgba(0, 0, 0, .35);
    --radius: 18px;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: radial-gradient(1200px 800px at 15% 10%, rgba(103, 232, 249, .18), transparent 50%),
    radial-gradient(900px 700px at 85% 20%, rgba(167, 139, 250, .16), transparent 55%),
    linear-gradient(180deg, #070b14, var(--bg));
    color: var(--text);
    line-height: 1.6;
}

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px
}

.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
    background: rgba(11, 18, 32, .62);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: .3px;
}

.logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(103, 232, 249, .95), rgba(167, 139, 250, .95));
    box-shadow: 0 10px 30px rgba(103, 232, 249, .18);
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center
}

.nav-links a {
    color: var(--muted);
    font-size: 14px
}

.nav-links a:hover {
    color: var(--text)
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .16);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    font-weight: 600;
    transition: .2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, .10)
}

.btn.primary {
    border: 0;
    background: linear-gradient(135deg, rgba(103, 232, 249, .95), rgba(167, 139, 250, .95));
    color: #06101f;
    box-shadow: 0 18px 60px rgba(103, 232, 249, .12);
}

.hero {
    padding: 70px 0 28px
}

.grid-hero {
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    gap: 24px;
    align-items: stretch;
}

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

    .nav-links {
        display: none
    }
}

.kicker {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(103, 232, 249, .22);
    background: rgba(103, 232, 249, .08);
    color: var(--brand);
    font-weight: 700;
    font-size: 12px;
}

h1 {
    font-size: 44px;
    line-height: 1.15;
    margin: 14px 0 10px
}

@media (max-width: 520px) {
    h1 {
        font-size: 34px
    }
}

.sub {
    color: var(--muted);
    font-size: 16px;
    max-width: 56ch
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap
}

.chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px
}

.chip {
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .05);
    padding: 8px 10px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
}

.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .03));
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 18px
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 14px;
    border-radius: 14px;
    background: rgba(15, 26, 51, .55);
    border: 1px solid rgba(255, 255, 255, .10);
    margin-top: 12px;
}

.metric .label {
    color: var(--muted);
    font-size: 13px
}

.metric .value {
    font-weight: 800
}

.section {
    padding: 54px 0
}

.section h2 {
    margin: 0 0 10px;
    font-size: 28px
}

.section p.lead {
    margin: 0 0 18px;
    color: var(--muted)
}

.grid-3 {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 16px
}

.grid-2 {
    display: grid;
    grid-template-columns:repeat(2, 1fr);
    gap: 16px
}

@media (max-width: 900px) {
    .grid-3, .grid-2 {
        grid-template-columns:1fr
    }
}

.item {
    padding: 18px
}

.item h3 {
    margin: 0 0 6px;
    font-size: 16px
}

.item p {
    margin: 0;
    color: var(--muted);
    font-size: 14px
}

.tag {
    display: inline-flex;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 10px;
    border-radius: 999px;
    color: #081427;
    background: rgba(103, 232, 249, .92);
    margin-bottom: 10px;
}

.tag.purple {
    background: rgba(167, 139, 250, .95);
    color: #0c0a1e
}

.tag.gray {
    background: rgba(255, 255, 255, .12);
    color: var(--muted);
    border: 1px solid rgba(255, 255, 255, .12)
}

.list {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 14px
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: stretch;
}

@media (max-width: 900px) {
    .split {
        grid-template-columns:1fr
    }
}

.cta {
    padding: 22px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    border: 1px solid rgba(103, 232, 249, .20);
    background: radial-gradient(900px 400px at 20% 10%, rgba(103, 232, 249, .18), transparent 60%),
    radial-gradient(900px 400px at 80% 40%, rgba(167, 139, 250, .16), transparent 60%),
    rgba(255, 255, 255, .04);
}

.cta h3 {
    margin: 0 0 6px
}

.cta p {
    margin: 0;
    color: var(--muted)
}

footer {
    padding: 28px 0 44px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.small {
    font-size: 12px;
    color: rgba(159, 178, 208, .85)
}

.form {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

.form input, .form textarea {
    width: 100%;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(0, 0, 0, .16);
    color: var(--text);
    outline: none;
}

.form textarea {
    grid-column: 1/-1;
    min-height: 110px;
    resize: vertical
}

.form .full {
    grid-column: 1/-1
}

.hint {
    margin-top: 8px;
    color: rgba(159, 178, 208, .85);
    font-size: 12px
}

.hr {
    height: 1px;
    background: var(--line);
    margin: 18px 0
}