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

:root {
    --ink: #070B14;
    --brand: #2F6BFF;
    --brand2: #00D4FF;
    --text: #0D1526;
    --muted: #5D6B85;
    --line: #E7EBF3;
    --soft: #F5F7FB;
    --r: 16px
}

html {
    scroll-behavior: smooth
}

body {
    font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
    color: var(--text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden
}

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

.wrap {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 80px
}

section {
    position: relative
}

.sec {
    padding: 120px 0
}

.sec-head {
    max-width: 760px;
    margin-bottom: 64px
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--brand);
    font-weight: 600;
    margin-bottom: 18px
}

    .eyebrow::before {
        content: "";
        width: 24px;
        height: 2px;
        background: linear-gradient(90deg,var(--brand),var(--brand2));
        border-radius: 2px
    }

h2 {
    font-size: 48px;
    line-height: 1.18;
    letter-spacing: -.02em;
    font-weight: 600
}

.sec-head p {
    margin-top: 20px;
    font-size: 17px;
    line-height: 1.75;
    color: var(--muted)
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 52px;
    padding: 0 30px;
    border-radius: 10px;
    border: 0;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    transition: .25s cubic-bezier(.2,.7,.3,1);
    white-space: nowrap
}

.btn-primary {
    background: linear-gradient(120deg,var(--brand),#4E8CFF);
    color: #fff;
    box-shadow: 0 10px 30px -10px rgba(47,107,255,.7)
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 38px -12px rgba(47,107,255,.85)
    }

.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,.28)
}

    .btn-ghost:hover {
        background: rgba(255,255,255,.1)
    }

.btn-line {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--line)
}

    .btn-line:hover {
        border-color: var(--brand);
        color: var(--brand)
    }

.btn-sm {
    height: 40px;
    padding: 0 18px;
    font-size: 14px;
    border-radius: 9px
}
/* 导航 */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 76px;
    display: flex;
    align-items: center;
    transition: .35s
}

    .nav.solid {
        background: rgba(7,11,20,.82);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255,255,255,.08)
    }

    .nav .wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%
    }

.logo {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    font-size: 19px;
    font-weight: 700
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg,var(--brand),var(--brand2));
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    box-shadow: 0 6px 18px -6px rgba(47,107,255,.9)
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px
}

    .nav-links a {
        color: rgba(255,255,255,.76);
        font-size: 15px;
        padding: 10px 18px;
        border-radius: 9px;
        transition: .2s
    }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255,255,255,.08)
        }

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px
}

.cart-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 11px;
    border: 1px solid rgba(255,255,255,.16);
    background: rgba(255,255,255,.05);
    display: grid;
    place-items: center;
    cursor: pointer;
    color: #fff;
    transition: .25s
}

    .cart-btn:hover {
        background: rgba(255,255,255,.14)
    }

.badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--brand);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: grid;
    place-items: center;
    border: 2px solid var(--ink);
    transform: scale(0);
    transition: .25s
}

    .badge.on {
        transform: scale(1)
    }
/* Hero */
.hero {
    min-height: 100vh;
    background: var(--ink);
    color: #fff;
    display: flex;
    align-items: center;
    padding: 150px 0 90px;
    overflow: hidden
}

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background: radial-gradient(1000px 700px at 76% 16%,rgba(47,107,255,.42),transparent 62%),radial-gradient(760px 560px at 10% 86%,rgba(0,212,255,.16),transparent 62%)
    }

    .hero::after {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background-image: linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
        background-size: 80px 80px;
        -webkit-mask-image: radial-gradient(circle at 50% 38%,#000 26%,transparent 76%);
        mask-image: radial-gradient(circle at 50% 38%,#000 26%,transparent 76%)
    }

    .hero .wrap {
        position: relative;
        z-index: 2;
        width: 100%
    }

    .hero h1 {
        font-size: 72px;
        line-height: 1.1;
        letter-spacing: -.03em;
        font-weight: 700;
        max-width: 15em
    }

        .hero h1 em {
            font-style: normal;
            background: linear-gradient(100deg,#6FA5FF,#00D4FF 60%,#8B7BFF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent
        }

    .hero p.lead {
        margin-top: 28px;
        font-size: 19px;
        line-height: 1.8;
        color: rgba(255,255,255,.66);
        max-width: 640px
    }

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 44px;
    flex-wrap: wrap
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0;
    margin-top: 96px;
    border-top: 1px solid rgba(255,255,255,.12);
    padding-top: 40px
}

    .hero-stats .st {
        padding-right: 32px;
        border-right: 1px solid rgba(255,255,255,.1)
    }

        .hero-stats .st:last-child {
            border-right: 0
        }

    .hero-stats .num {
        font-size: 38px;
        font-weight: 700;
        letter-spacing: -.02em
    }

        .hero-stats .num span {
            font-size: 20px;
            color: var(--brand2);
            margin-left: 2px
        }

    .hero-stats .lbl {
        margin-top: 8px;
        font-size: 14px;
        color: rgba(255,255,255,.5)
    }
/* 产品 */
.products {
    background: var(--soft)
}

.pgrid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px
}

.pcard {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 36px 30px 30px;
    transition: .35s;
    display: flex;
    flex-direction: column
}

    .pcard:hover {
        transform: translateY(-6px);
        border-color: #CFDCFB;
        box-shadow: 0 24px 50px -24px rgba(13,21,38,.22)
    }

.pico {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    margin-bottom: 26px;
    background: linear-gradient(135deg,rgba(47,107,255,.12),rgba(0,212,255,.12));
    color: var(--brand)
}

.tag {
    align-self: flex-start;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(47,107,255,.08);
    color: var(--brand);
    margin-bottom: 14px
}

    .tag.hw {
        background: rgba(0,212,255,.12);
        color: #0B9CBF
    }

.pcard h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 12px
}

.pcard p {
    font-size: 14.5px;
    line-height: 1.75;
    color: var(--muted);
    flex: 1
}

.plink {
    margin-top: 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    display: inline-flex;
    gap: 6px;
    align-items: center;
    transition: .2s
}

.pcard:hover .plink {
    gap: 11px
}
/* 下载 */
.download {
    background: var(--ink);
    color: #fff;
    overflow: hidden
}

    .download::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(700px 520px at 88% 8%,rgba(47,107,255,.3),transparent 62%)
    }

    .download .wrap {
        position: relative;
        z-index: 2
    }

.dl-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 90px
}

.download h2 {
    color: #fff
}

.download .sec-head p {
    color: rgba(255,255,255,.6)
}

.dl-list {
    display: flex;
    flex-direction: column;
    gap: 14px
}

.dl-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 22px 26px;
    border-radius: 14px;
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.09);
    transition: .28s
}

    .dl-row:hover {
        background: rgba(255,255,255,.09);
        border-color: rgba(47,107,255,.5);
        transform: translateX(6px)
    }

.dl-ico {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    flex: none;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg,rgba(47,107,255,.28),rgba(0,212,255,.16));
    color: #8FB6FF
}

.dl-info {
    flex: 1
}

    .dl-info h4 {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 6px
    }

    .dl-info p {
        font-size: 13px;
        color: rgba(255,255,255,.45)
    }

.dl-row .btn-sm {
    background: rgba(255,255,255,.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,.16)
}

.dl-row:hover .btn-sm {
    background: var(--brand);
    border-color: var(--brand)
}
/* 资讯 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 28px
}

.ncard {
    border-radius: var(--r);
    overflow: hidden;
    border: 1px solid var(--line);
    background: #fff;
    transition: .35s;
    display: flex;
    flex-direction: column
}

    .ncard:hover {
        transform: translateY(-6px);
        box-shadow: 0 26px 54px -26px rgba(13,21,38,.25);
        border-color: #CFDCFB
    }

.nthumb {
    height: 210px;
    position: relative;
    overflow: hidden
}

    .nthumb::after {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);
        background-size: 34px 34px
    }

.nbody {
    padding: 28px 28px 30px;
    display: flex;
    flex-direction: column;
    flex: 1
}

.nmeta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 14px
}

    .nmeta .cat {
        color: var(--brand);
        font-weight: 600
    }

    .nmeta .sep {
        width: 3px;
        height: 3px;
        border-radius: 50%;
        background: #C6CEE0
    }

.ncard h3 {
    font-size: 19px;
    line-height: 1.5;
    font-weight: 600;
    margin-bottom: 12px;
    flex: 1
}

.ncard p {
    font-size: 14.5px;
    line-height: 1.75;
    color: var(--muted)
}
/* 企业 */
.about {
    background: var(--soft)
}

.about-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 90px;
    align-items: center
}

.about-visual {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    aspect-ratio: 4/3.2;
    background: linear-gradient(150deg,#0B1428,#14264A 55%,#1B3A7A);
    box-shadow: 0 40px 80px -40px rgba(13,21,38,.55)
}

    .about-visual::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(400px 300px at 78% 22%,rgba(0,212,255,.4),transparent 62%),radial-gradient(360px 280px at 18% 88%,rgba(47,107,255,.5),transparent 62%)
    }

    .about-visual .core {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        width: 150px;
        height: 150px;
        border-radius: 50%;
        border: 1px solid rgba(255,255,255,.22);
        display: grid;
        place-items: center;
        background: rgba(255,255,255,.06);
        color: #fff;
        font-weight: 700;
        letter-spacing: .08em;
        font-size: 15px
    }

    .about-visual .ring {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        border-radius: 50%;
        border: 1px dashed rgba(255,255,255,.18)
    }

.ring.r1 {
    width: 290px;
    height: 290px;
    animation: spin 26s linear infinite
}

.ring.r2 {
    width: 430px;
    height: 430px;
    border-color: rgba(255,255,255,.1);
    animation: spin 40s linear infinite reverse
}

@keyframes spin {
    to {
        transform: translate(-50%,-50%) rotate(360deg)
    }
}

.about-copy p {
    font-size: 16.5px;
    line-height: 1.85;
    color: var(--muted);
    margin-top: 22px
}

.about-nums {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--line)
}

    .about-nums .num {
        font-size: 34px;
        font-weight: 700;
        color: var(--brand)
    }

    .about-nums .lbl {
        margin-top: 8px;
        font-size: 14px;
        color: var(--muted)
    }
/* 商城 */
.shop-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 56px
}

.ggrid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px
}

.gcard {
    border: 1px solid var(--line);
    border-radius: var(--r);
    overflow: hidden;
    background: #fff;
    transition: .35s;
    display: flex;
    flex-direction: column
}

    .gcard:hover {
        transform: translateY(-6px);
        box-shadow: 0 26px 54px -26px rgba(13,21,38,.25);
        border-color: #CFDCFB
    }

.gimg {
    height: 220px;
    position: relative;
    display: grid;
    place-items: center
}

    .gimg::after {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px);
        background-size: 30px 30px
    }

.gbody {
    padding: 24px 24px 26px;
    display: flex;
    flex-direction: column;
    flex: 1
}

    .gbody h3 {
        font-size: 16.5px;
        font-weight: 600;
        margin-bottom: 10px
    }

    .gbody p {
        font-size: 13.5px;
        line-height: 1.7;
        color: var(--muted);
        flex: 1
    }

.gfoot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--line)
}

.price {
    font-size: 21px;
    font-weight: 700
}

    .price small {
        font-size: 13px;
        font-weight: 600;
        color: var(--muted);
        margin-right: 1px
    }

.btn-cart {
    height: 40px;
    padding: 0 16px;
    border-radius: 9px;
    border: 1px solid var(--brand);
    background: transparent;
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: .22s
}

    .btn-cart:hover {
        background: var(--brand);
        color: #fff
    }
/* CTA */
.cta {
    background: var(--ink);
    color: #fff;
    padding: 96px 0;
    overflow: hidden;
    text-align: center
}

    .cta::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(720px 460px at 50% 120%,rgba(47,107,255,.42),transparent 66%)
    }

    .cta .wrap {
        position: relative;
        z-index: 2
    }

    .cta h2 {
        font-size: 44px;
        color: #fff
    }

    .cta p {
        margin-top: 18px;
        font-size: 17px;
        color: rgba(255,255,255,.6)
    }

    .cta .hero-actions {
        justify-content: center;
        margin-top: 40px
    }
/* Footer */
footer {
    background: #050810;
    color: rgba(255,255,255,.6);
    padding: 80px 0 36px
}

.fgrid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,.09)
}

    .fgrid h5 {
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 22px
    }

    .fgrid ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 14px
    }

    .fgrid a {
        font-size: 14px;
        transition: .2s
    }

        .fgrid a:hover {
            color: #fff
        }

.fbrand p {
    font-size: 14px;
    line-height: 1.85;
    margin-top: 20px;
    max-width: 320px;
    color: rgba(255,255,255,.45)
}

.fbot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    font-size: 13px;
    color: rgba(255,255,255,.36);
    flex-wrap: wrap;
    gap: 16px
}
/* 购物车抽屉 */
.mask {
    position: fixed;
    inset: 0;
    background: rgba(7,11,20,.55);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    z-index: 300
}

    .mask.on {
        opacity: 1;
        visibility: visible
    }

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 420px;
    max-width: 92vw;
    background: #fff;
    z-index: 301;
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.2,.8,.25,1);
    display: flex;
    flex-direction: column;
    box-shadow: -30px 0 70px -30px rgba(7,11,20,.4)
}

    .drawer.on {
        transform: translateX(0)
    }

.dhead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 26px 28px;
    border-bottom: 1px solid var(--line)
}

    .dhead h3 {
        font-size: 18px;
        font-weight: 600
    }

.dclose {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: pointer;
    font-size: 17px;
    color: var(--muted)
}

.dbody {
    flex: 1;
    overflow-y: auto;
    padding: 20px 28px
}

.dempty {
    text-align: center;
    padding: 80px 20px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8
}

.ditem {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line)
}

.dthumb {
    width: 62px;
    height: 62px;
    border-radius: 12px;
    flex: none
}

.dinfo {
    flex: 1
}

    .dinfo h4 {
        font-size: 14.5px;
        font-weight: 600;
        margin-bottom: 8px
    }

    .dinfo .dp {
        font-size: 14px;
        color: var(--brand);
        font-weight: 700
    }

.qty {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px
}

    .qty button {
        width: 26px;
        height: 26px;
        border-radius: 7px;
        border: 1px solid var(--line);
        background: #fff;
        cursor: pointer
    }

.ddel {
    background: none;
    border: 0;
    color: #B8C1D4;
    font-size: 12px;
    cursor: pointer;
    align-self: flex-start
}

.dfoot {
    padding: 24px 28px 30px;
    border-top: 1px solid var(--line);
    background: var(--soft)
}

.dtotal {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 18px
}

    .dtotal .t2 {
        font-size: 27px;
        font-weight: 700
    }

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1)
}

    .reveal.in {
        opacity: 1;
        transform: none
    }
/* 内容页 */
.page-hero {
    padding: 180px 0 80px;
    background: var(--ink);
    color: #fff;
    position: relative;
    overflow: hidden
}

    .page-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(900px 600px at 70% 20%,rgba(47,107,255,.35),transparent 62%)
    }

    .page-hero .wrap {
        position: relative;
        z-index: 2
    }

    .page-hero h1 {
        font-size: 56px;
        letter-spacing: -.02em;
        font-weight: 700
    }

    .page-hero p {
        margin-top: 18px;
        font-size: 18px;
        color: rgba(255,255,255,.6);
        max-width: 640px
    }
/* 响应式 */
@media(max-width:1600px) {
    .wrap {
        padding: 0 60px
    }
}

@media(max-width:1400px) {
    .hero h1 {
        font-size: 62px
    }

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

    .dl-grid, .about-grid {
        gap: 60px
    }
}

@media(max-width:1100px) {
    .nav-links {
        display: none
    }

    .wrap {
        padding: 0 32px
    }

    .sec {
        padding: 88px 0
    }

    h2 {
        font-size: 36px
    }

    .hero h1 {
        font-size: 46px
    }

    .hero-stats {
        grid-template-columns: repeat(2,1fr);
        gap: 32px
    }

        .hero-stats .st {
            border-right: 0
        }

    .dl-grid, .about-grid {
        grid-template-columns: 1fr
    }

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

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

@media(max-width:680px) {
    .pgrid, .ggrid {
        grid-template-columns: 1fr
    }

    .hero h1 {
        font-size: 36px
    }

    h2 {
        font-size: 28px
    }

    .cta h2 {
        font-size: 28px
    }

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

    .about-nums {
        grid-template-columns: 1fr 1fr
    }
}