:root {
    --ink: #10203b;
    --muted: #5f6c80;
    --blue: #0b5cff;
    --navy: #071d49;
    --line: #dfe6f0;
    --surface: #f5f8fc;
    --white: #fff;
    --radius: 24px;
    --shadow: 0 22px 60px rgba(7, 29, 73, .12)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 78px;
    background: #04132f;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
    line-height: 1.75
}

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

a {
    color: inherit
}

.shell {
    width: min(1160px, calc(100% - 40px));
    margin-inline: auto
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 8px;
    left: 8px;
    padding: 10px 14px;
    color: #fff;
    background: #000;
    transform: translateY(-160%)
}

.skip-link:focus {
    transform: none
}

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    background: rgba(7, 29, 73, .96);
    box-shadow: 0 1px 0 rgba(255, 255, 255, .12)
}

.header-inner {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between
}

.brand img {
    width: 160px;
    height: auto
}

.navigation {
    display: flex;
    align-items: center;
    gap: 30px
}

.navigation a {
    color: #fff;
    text-decoration: none;
    font-size: 15px
}

.navigation a:hover,
.navigation a:focus-visible {
    color: #78adff
}

.menu-button {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: 10px;
    background: transparent
}

.menu-button span[aria-hidden] {
    display: block;
    width: 20px;
    height: 2px;
    margin: auto;
    background: #fff;
    box-shadow: 0 -6px #fff, 0 6px #fff
}

.hero{
    color:#fff;
    background:linear-gradient(
        125deg,
        #071d49 0%,
        #0b5cff 120%
    );
}

.hero-grid {
    display: grid;
    min-height: 620px;
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 50px;
    padding-block: 80px
}

.hero h1 {
    max-width: 700px;
    margin: 8px 0 22px;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 1.16;
    letter-spacing: -.035em
}

.hero-copy>p:not(.eyebrow) {
    max-width: 590px;
    color: #d9e7ff;
    font-size: 18px
}

.hero img{
    filter:drop-shadow(
        0 30px 45px rgba(0,0,0,.22)
    );
    will-change:filter;
}

.eyebrow {
    margin: 0;
    color: #3278ed;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase
}

.hero .eyebrow {
    color: #8bb8ff
}

.primary-link {
    display: inline-flex;
    margin-top: 20px;
    padding: 12px 22px;
    border-radius: 999px;
    color: var(--navy);
    background: #fff;
    font-weight: 700;
    text-decoration: none
}

.primary-link:hover,
.primary-link:focus-visible {
    background: #dceaff
}

.section {
    padding-block: 100px
}

.section-muted {
    background: var(--surface)
}

.section-heading {
    max-width: 700px;
    margin-bottom: 44px
}

.section h2 {
    margin: 6px 0 0;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.3;
    letter-spacing: -.02em
}

.feature-grid {
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    align-items: center;
    gap: 50px
}

.feature-grid img {
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

.feature-grid p {
    color: var(--muted);
    font-size: 17px
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px
}

.cards article {
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff
}

.cards span {
    color: var(--blue);
    font-size: 13px;
    font-weight: 800
}

.cards h3 {
    margin: 12px 0 8px;
    font-size: 22px
}

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

.contact {
    background: var(--navy)
}

.contact-panel {
    display: grid;
    grid-template-columns: 1fr .7fr;
    align-items: end;
    gap: 70px;
    color: #fff
}

.contact .eyebrow {
    color: #8bb8ff
}

.contact p {
    color: #d4dff3
}

.contact-note {
    padding: 24px;
    border-left: 3px solid #4c8fff;
    background: rgba(255, 255, 255, .06)
}

footer {
    color: #cbd7ec;
    background: #04132f
}

.footer-inner {
    display: flex;
    min-height: 90px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 14px
}

.footer-inner p {
    margin: 0
}

.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
}

:focus-visible {
    outline: 3px solid #f8c34b;
    outline-offset: 3px
}

@media(max-width:800px) {
    .shell {
        width: min(100% - 28px, 1160px)
    }

    .navigation {
        position: absolute;
        top: 68px;
        right: 14px;
        left: 14px;
        display: grid;
        align-items: stretch;
        gap: 0;
        padding: 8px;
        border-radius: 14px;
        background: #fff;
        box-shadow: var(--shadow)
    }

    .js .menu-button {
        display: block
    }

    .js .navigation {
        display: none
    }

    .js .navigation[data-open="true"] {
        display: grid
    }

    .navigation a {
        padding: 11px 14px;
        border-radius: 8px;
        color: var(--ink)
    }

    .navigation a:hover,
    .navigation a:focus-visible {
        color: var(--blue);
        background: var(--surface)
    }

    .hero-grid,
    .feature-grid,
    .contact-panel {
        grid-template-columns: 1fr
    }

    .hero-grid {
        min-height: auto;
        gap: 40px;
        padding-block: 70px
    }

    .hero-copy>p:not(.eyebrow) {
        font-size: 16px
    }

    .hero img {
        order: -1
    }

    .section {
        padding-block: 72px
    }

    .feature-grid {
        gap: 30px
    }

    .cards {
        grid-template-columns: 1fr
    }

    .contact-panel {
        align-items: start;
        gap: 28px
    }

    .footer-inner {
        min-height: 110px;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 4px
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important
    }
}