:root {
    --company-ink: #102747;
    --company-muted: #4b6077;
    --company-navy: #08245b;
    --company-navy-hover: #153c72;
    --company-cyan: #00c9d8;
    --company-teal: #08747e;
    --company-light: #e7f8fa;
    --company-line: #dce8ee;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    color: var(--company-ink);
    background: #fff;
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
}

h1, h2, h3, p, dl, dd { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--company-teal); outline-offset: 5px; }
section[id] { scroll-margin-top: 24px; }
.shell { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.icon {
    display: block;
    width: 20px;
    height: 20px;
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.skip-link {
    position: absolute;
    z-index: 1;
    top: 12px;
    left: 12px;
    padding: 8px 12px;
    background: #fff;
    transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

.site-header { border-bottom: 1px solid var(--company-line); }
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 750; white-space: nowrap; }
.brand img { display: block; }
.site-nav { display: flex; align-items: center; gap: 35px; color: var(--company-muted); font-size: 14px; }
.site-nav a { padding-block: 10px; }
.site-nav a:hover, .site-footer a:hover { color: var(--company-teal); }
.header-action, .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: fit-content;
    min-height: 46px;
    border-radius: 8px;
    padding: 10px 17px;
    font-size: 14px;
    font-weight: 650;
    white-space: nowrap;
}
.header-action { min-height: 40px; padding: 7px 12px; border: 1px solid var(--company-line); color: var(--company-navy); }
.header-action:hover { background: var(--company-light); }

.hero { background: #f4fbfc; border-bottom: 1px solid var(--company-line); }
.hero-layout {
    display: grid;
    grid-template-columns: 1fr 0.94fr;
    align-items: center;
    gap: clamp(26px, 6vw, 84px);
    min-height: 475px;
    padding-block: 58px;
}
.company-name { color: var(--company-navy); font-size: 15px; font-weight: 700; }
.hero h1 { margin-block: 16px 18px; font-size: clamp(46px, 5.15vw, 74px); line-height: 1.13; letter-spacing: -.055em; }
.hero h1 span { color: var(--company-teal); }
.hero-description { max-width: 28em; color: var(--company-muted); font-size: clamp(15px, 1.4vw, 17px); }
.button-primary { margin-top: 25px; color: #fff; background: var(--company-navy); }
.button-primary:hover { background: var(--company-navy-hover); }

.hero-art {
    position: relative;
    display: grid;
    place-items: center;
    min-width: 0;
    height: 100%;
    min-height: 310px;
    border: 1px solid #d4eaef;
    border-radius: 18px;
    background: #e8f5f8;
    overflow: hidden;
}
.art-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(#d9ebef 1px, transparent 1px), linear-gradient(90deg, #d9ebef 1px, transparent 1px);
    background-size: 28px 28px;
}
.art-tiles {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(64%, 255px);
    gap: 8px;
    transform: rotate(-8deg);
}
.tile { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 12px; }
.tile::before { position: absolute; content: ""; }
.tile-curve { background: var(--company-navy); }
.tile-curve::before { inset: 0; border-radius: 0 0 100% 0; background: var(--company-cyan); }
.tile-ring { background: #abeef2; }
.tile-ring::before { inset: 21%; border: clamp(10px, 1.6vw, 19px) solid var(--company-navy); border-radius: 50%; }
.tile-square { background: #fff; }
.tile-square::before { inset: 24%; border-radius: 8px; transform: rotate(45deg); background: #a1e4ec; }
.tile-slope { background: var(--company-navy); }
.tile-slope::before { inset: 0; clip-path: polygon(0 100%, 100% 0, 100% 100%); background: #117f9d; }

.services { padding-block: 58px; }
h2 { font-size: clamp(28px, 3vw, 38px); line-height: 1.22; letter-spacing: -.035em; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; margin-top: 23px; }
.service { border: 1px solid var(--company-line); border-radius: 12px; padding: 24px; }
.service-icon, .flow-icon {
    display: grid;
    place-items: center;
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: var(--company-teal);
    background: var(--company-light);
}
.service h3 { margin-block: 13px 5px; font-size: 18px; }
.service p, .about p { color: var(--company-muted); font-size: 15px; }

.product {
    display: grid;
    grid-template-columns: 1fr minmax(215px, 0.63fr);
    gap: 36px;
    align-items: center;
    padding: clamp(26px, 5vw, 52px);
    border-radius: 16px;
    background: var(--company-navy);
    color: #fff;
}
.section-label { margin-bottom: 8px; color: #93e8ef; font-size: 14px; font-weight: 650; }
.product-copy p:not(.section-label) { max-width: 33em; margin-top: 13px; color: #dce9f6; font-size: 15px; }
.button-secondary { margin-top: 22px; background: #fff; color: var(--company-navy); }
.button-secondary:hover { background: var(--company-light); }
.button-secondary:focus-visible { outline-color: #fff; }
.product-flow { display: grid; gap: 10px; }
.product-flow > div {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border: 1px solid #3c5a81;
    border-radius: 8px;
    background: #163665;
    font-size: 14px;
    font-weight: 600;
}
.flow-icon { width: 32px; height: 32px; color: #8de6ed; background: #234c75; }
.flow-icon .icon { width: 17px; height: 17px; }

.about { display: grid; grid-template-columns: .75fr 1fr; gap: 48px; padding-block: 65px; }
.about p { max-width: 23em; margin-top: 13px; }
.company-details > div {
    display: grid;
    grid-template-columns: 74px 1fr;
    gap: 12px;
    padding-block: 13px;
    border-top: 1px solid var(--company-line);
    font-size: 15px;
}
.company-details dt, .company-details dd span { color: var(--company-muted); font-size: 14px; }
.company-details dd span { display: block; margin-top: 2px; }

.site-footer { border-top: 1px solid var(--company-line); background: #f5fafb; }
.footer-row { display: grid; justify-items: center; gap: 4px; padding-block: 19px; color: var(--company-muted); font-size: 13px; }
.footer-row a { text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 800px) {
    .shell { width: calc(100% - 40px); }
    .hero-layout { min-height: 390px; padding-block: 42px; }
    .hero-art { min-height: 265px; }
    .service { padding: 17px; }
}

@media (max-width: 640px) {
    .header-row { display: grid; grid-template-columns: 1fr auto; gap: 0 10px; padding-top: 12px; }
    .site-nav { grid-row: 2; grid-column: 1 / -1; gap: 24px; padding-top: 3px; }
    .hero-layout { grid-template-columns: 1fr; gap: 27px; }
    .hero-art { min-height: 190px; }
    .art-tiles { width: 145px; }
    .services, .about { padding-block: 42px; }
    .service-grid, .product, .about { grid-template-columns: 1fr; }
    .service-grid, .about { gap: 13px; }
    .product { gap: 22px; }
}