:root {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #002566;
    background: #fff;
    font-synthesis: none;
    --red: #9e160d;
    --red2: #9e160d;
    --navy: #002566;
    --muted: #72767c;
    --line: #e7e8ea;
    --soft: #f6f6f7
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: #fff;
    color: #24262a
}

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

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid #ececef;
    backdrop-filter: blur(10px)
}

.nav-shell {
    height: 76px;
    max-width: 1320px;
    margin: auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 38px
}

.logo {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #173659;
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -.6px
}

.logo img {
    width: 46px;
    height: 46px
}

.main-nav {
    display: flex;
    align-items: stretch;
    height: 100%;
    gap: 8px
}

.main-nav a {
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 20px;
    font-size: 16px;
    color: #4a4d51
}

.main-nav a:hover {
    color: #111
}

.main-nav a.active {
    color: #111;
    font-weight: 600
}

.main-nav a.active:after {
    content: "";
    position: absolute;
    height: 3px;
    left: 18px;
    right: 18px;
    bottom: 0;
    background: var(--red)
}

.nav-meta {
    margin-left: auto;
    display: flex;
    gap: 13px;
    color: #666;
    font-size: 14px
}

.nav-meta .dot {
    color: #bbb
}

.hero {
    position: relative;
    height: min(610px, 67vh);
    min-height: 480px;
    overflow: hidden;
    /* background: #0f2e47 */
}

.hero-art {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.hero-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(6, 20, 33, .77), rgba(6, 20, 33, .22) 55%, rgba(6, 20, 33, .1))
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1320px;
    margin: auto;
    padding: 155px 54px 0;
    color: #fff
}

.hero-kicker {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.2px;
    color: #d8e6ef
}

.hero-kicker.dark {
    color: #8b1c15
}

.hero h1 {
    font-size: 52px;
    line-height: 1.12;
    letter-spacing: -2px;
    margin: 15px 0 16px;
    font-weight: 650
}

.hero p {
    font-size: 19px;
    margin: 0;
    color: #e3e9ed
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 34px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 24px;
    border-radius: 2px;
    font-size: 14px;
    font-weight: 600
}

.btn-primary {
    background: var(--red);
    color: #fff
}

.btn-primary:hover {
    background: #95150e
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, .65);
    color: #fff;
    background: rgba(255, 255, 255, .06)
}

.section {
    max-width: 1240px;
    margin: auto;
    padding: 88px 34px
}

.section-heading>span,
.contact-label {
    font-size: 11px;
    letter-spacing: 2px;
    font-weight: 700;
    color: var(--red)
}

.section-heading h2,
.contact-band h2 {
    font-size: 34px;
    line-height: 1.25;
    margin: 10px 0 0;
    letter-spacing: -1px
}

.about-grid {
    display: grid;
    grid-template-columns: 1.35fr .8fr;
    gap: 90px;
    margin-top: 42px
}

.about-copy {
    font-size: 16px;
    line-height: 1.95;
    color: #555
}

.about-copy p {
    margin: 0 0 18px
}

.facts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--line)
}

.facts div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 21px 0;
    border-bottom: 1px solid var(--line)
}

.facts strong {
    font-size: 28px;
    color: #1d3654
}

.facts span {
    font-size: 13px;
    color: #7b7f84
}

.product-preview {
    padding-top: 45px
}

.row-heading {
    display: flex;
    justify-content: space-between;
    align-items: end
}

.text-link {
    font-size: 13px;
    color: var(--red);
    font-weight: 600
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 34px
}

.category-card {
    border: 1px solid var(--line);
    background: #fff;
    min-height: 295px;
    transition: .2s ease
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, .07)
}

.category-card img {
    width: 100%;
    height: 245px;
    object-fit: cover;
    background: #f2f4f6
}

.category-card div {
    padding: 19px 20px 22px
}

.category-card h3 {
    font-size: 19px;
    margin: 0 0 7px
}

.category-card p {
    font-size: 13px;
    line-height: 1.6;
    color: #777;
    margin: 0
}

.contact-band {
    margin-top: 40px;
    margin-bottom: 70px;
    background: #f6f6f6;
    max-width: 1172px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 50px 56px
}

.contact-band p {
    color: #6e7276;
    margin: 11px 0 0
}

.contact-mail {
    color: var(--red);
    font-weight: 650;
    font-size: 18px
}

.site-footer {
    border-top: 1px solid #e9eaeb;
    padding: 26px 34px 34px;
    max-width: 1320px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    color: #7a7d81;
    font-size: 12px
}

.footer-main {
    display: flex;
    gap: 20px
}

.footer-record {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-flow: row nowrap;
    gap: 6px;
    white-space: nowrap
}

.footer-record img {
    width: 20px;
    height: 20px;
    max-width: none;
    flex: 0 0 20px;
    object-fit: contain
}

.footer-main a:hover,
.footer-record a:hover {
    color: var(--red)
}

.products-main {
    background: #fff
}

.products-hero {
    max-width: 1240px;
    margin: auto;
    padding: 76px 34px 58px;
    display: flex;
    justify-content: space-between;
    align-items: end;
    border-bottom: 1px solid var(--line)
}

.products-hero h1 {
    font-size: 46px;
    margin: 10px 0 12px;
    letter-spacing: -1.6px
}

.products-hero p {
    max-width: 650px;
    margin: 0;
    color: #6c7075;
    line-height: 1.75
}

.products-hero-mark {
    text-align: right;
    color: #a9adb2;
    font-size: 13px;
    letter-spacing: 2px;
    line-height: 1.15
}

.products-hero-mark b {
    font-size: 44px;
    color: #173659;
    letter-spacing: -1px
}

.products-section {
    max-width: 1240px;
    margin: auto;
    padding: 36px 34px 88px
}

.filter-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px
}

.filter {
    padding: 9px 18px;
    border: 1px solid #dedfe1;
    border-radius: 999px;
    font-size: 13px;
    color: #666
}

.filter.active {
    background: #1f2328;
    color: #fff;
    border-color: #1f2328
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px
}

.product-card {
    display: grid;
    grid-template-columns: 220px 1fr;
    border: 1px solid var(--line);
    background: #fff;
    min-height: 285px
}

.product-image {
    background: #f4f5f6;
    display: grid;
    place-items: center;
    padding: 26px
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain
}

.product-body {
    padding: 28px 28px 24px;
    display: flex;
    flex-direction: column
}

.product-tag {
    color: #8d1d16;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .9px
}

.product-body h2 {
    font-size: 23px;
    margin: 8px 0 5px
}

.sku {
    font-size: 12px;
    color: #80848a
}

.product-body p {
    font-size: 13px;
    line-height: 1.7;
    color: #6b6f74;
    margin: 18px 0 24px
}

.product-bottom {
    margin-top: auto;
    border-top: 1px solid #eee;
    padding-top: 17px;
    display: flex;
    align-items: baseline;
    justify-content: space-between
}

.product-bottom strong {
    font-size: 21px;
    color: #b31b12
}

.product-bottom span {
    font-size: 11px;
    color: #999
}

.review-note {
    margin-top: 32px;
    background: #f7f7f7;
    border-left: 3px solid var(--red);
    padding: 20px 24px
}

.review-note strong {
    font-size: 14px
}

.review-note p {
    margin: 8px 0 0;
    color: #73777b;
    font-size: 13px;
    line-height: 1.7
}

@media(max-width:900px) {
    .nav-shell {
        height: 68px;
        padding: 0 20px
    }

    .logo img {
        width: 40px;
        height: 40px
    }

    .logo span {
        font-size: 20px
    }

    .main-nav {
        margin-left: auto
    }

    .main-nav a {
        padding: 0 11px;
        font-size: 14px
    }

    .nav-meta {
        display: none
    }

    .hero {
        min-height: 470px
    }

    .hero-content {
        padding: 120px 30px 0
    }

    .hero h1 {
        font-size: 39px
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 35px
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr)
    }

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

    .contact-band {
        margin-left: 20px;
        margin-right: 20px
    }

    .products-hero {
        padding-top: 55px
    }
}

@media(max-width:620px) {
    .site-header {
        position: relative
    }

    .nav-shell {
        height: auto;
        min-height: 64px;
        padding: 9px 16px;
        flex-wrap: wrap;
        gap: 0
    }

    .logo {
        width: 100%;
        justify-content: center
    }

    .main-nav {
        order: 2;
        width: 100%;
        height: 45px;
        justify-content: center;
        margin: 0
    }

    .main-nav a {
        padding: 0 12px;
        font-size: 13px
    }

    .main-nav a.active:after {
        left: 10px;
        right: 10px
    }

    .hero {
        height: 520px
    }

    .hero-shade {
        background: linear-gradient(0deg, rgba(6, 20, 33, .84), rgba(6, 20, 33, .12) 80%)
    }

    .hero-content {
        padding: 270px 22px 0
    }

    .hero h1 {
        font-size: 32px;
        letter-spacing: -1px
    }

    .hero p {
        font-size: 15px
    }

    .hero-actions {
        margin-top: 25px
    }

    .section {
        padding: 60px 20px
    }

    .section-heading h2,
    .contact-band h2 {
        font-size: 28px
    }

    .facts strong {
        font-size: 24px
    }

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

    .category-card {
        display: grid;
        grid-template-columns: 132px 1fr;
        min-height: 135px
    }

    .category-card img {
        height: 100%;
        min-height: 135px
    }

    .category-card div {
        padding: 22px 18px
    }

    .contact-band {
        display: block;
        margin: 10px 16px 50px;
        padding: 34px 25px
    }

    .contact-mail {
        display: block;
        margin-top: 22px;
        font-size: 15px
    }

    .site-footer {
        display: block;
        padding: 23px 20px 30px
    }

    .footer-main {
        flex-wrap: wrap;
        gap: 10px 16px
    }

    .footer-record {
        margin-top: 10px
    }

    .products-hero {
        padding: 45px 20px 36px;
        display: block
    }

    .products-hero h1 {
        font-size: 35px
    }

    .products-hero-mark {
        display: none
    }

    .products-section {
        padding: 28px 16px 65px
    }

    .filter-row {
        overflow: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px
    }

    .filter {
        white-space: nowrap
    }

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

    .product-image {
        height: 210px;
        padding: 28px
    }

    .product-body {
        padding: 22px
    }

    .product-body h2 {
        font-size: 21px
    }

    .product-bottom strong {
        font-size: 19px
    }
}

/* About */
.section-about {
    max-width: 1320px;
    padding: 92px 34px 104px;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(54px, 6vw, 88px);
    align-items: start;
}

.about-content {
    min-width: 0;
    padding-top: 2px;
}

.about-title {
    margin-bottom: 30px;
}

.about-title span {
    display: none;
}

.about-title h2 {
    margin: 0;
    color: #073576;
    font-size: clamp(42px, 4.15vw, 58px);
    line-height: 1.06;
    font-weight: 800;
    letter-spacing: -0.045em;
}

.about-text {
    max-width: 650px;
}

.about-text p {
    margin: 0 0 7px;
    color: #25282d;
    font-size: 18px;
    line-height: 1.62;
    font-weight: 400;
    letter-spacing: 0;
    text-align: left;
}

.about-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 122px;
    height: 50px;
    margin-top: 20px;
    padding: 0 28px;
    border-radius: 999px;
    background: var(--red);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    box-shadow: none;
    transition: background-color .18s ease, transform .18s ease;
}

.about-button:hover {
    background: #95150e;
    transform: translateY(-1px);
}

.about-image {
    min-width: 0;
    overflow: hidden;
    border-radius: 6px;
    background: #edf1f4;
}

.about-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    object-position: center;
    border-radius: inherit;
}

@media (max-width: 1000px) {
    .section-about {
        padding-top: 72px;
        padding-bottom: 80px;
    }

    .about-layout {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .about-title {
        margin-bottom: 24px;
    }

    .about-title h2 {
        font-size: 42px;
    }

    .about-text p {
        font-size: 16px;
        line-height: 1.68;
    }
}

@media (max-width: 760px) {
    .section-about {
        padding: 54px 20px 64px;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-content {
        padding-top: 0;
    }

    .about-title {
        margin-bottom: 20px;
    }

    .about-title h2 {
        font-size: 36px;
        line-height: 1.1;
        letter-spacing: -0.035em;
    }

    .about-text {
        max-width: none;
    }

    .about-text p {
        margin-bottom: 10px;
        font-size: 15px;
        line-height: 1.72;
    }

    .about-button {
        height: 46px;
        min-width: 112px;
        margin-top: 14px;
        padding: 0 22px;
        font-size: 15px;
    }

    .about-image {
        order: 2;
        border-radius: 6px;
    }

    .about-image img {
        aspect-ratio: 3 / 2;
    }
}