/* 思源黑体（Noto Sans SC 同源字形），400/500/700 三个真实字重，全量常用汉字覆盖 */
@font-face {
    font-family: SourceHan;
    src: url('./source-han-sans-400.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap
}

@font-face {
    font-family: SourceHan;
    src: url('./source-han-sans-500.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap
}

@font-face {
    font-family: SourceHan;
    src: url('./source-han-sans-700.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap
}

:root {
    --u: calc(100vw / 1920);
    --accent: #a30b40;
    color-scheme: light;
    font-family: SourceHan, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-weight: 400;
    font-synthesis: none;
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: #000;
    font-weight: 400
}

/* 字重统一：标题一律 500，正文一律 400，避免同级文字粗细不一 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 500
}

b,
strong {
    font-weight: 500
}

* {
    box-sizing: border-box
}

button,
a,
input {
    -webkit-tap-highlight-color: transparent
}

button {
    cursor: pointer
}

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

button,
input {
    font: inherit
}

button {
    background: none;
    border: 0;
    color: inherit;
    padding: 0
}

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

h1,
h2,
h3,
p {
    margin: 0
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid #bb2458;
    outline-offset: 5px
}

section,
footer {
    scroll-margin-top: 12px
}

.design-page {
    width: 100%;
    overflow: hidden
}

.stage {
    width: 100%
}

.pos {
    position: absolute;
    left: calc(var(--x) * var(--u));
    top: calc(var(--y) * var(--u));
    width: calc(var(--w) * var(--u));
    height: calc(var(--h) * var(--u))
}

.stage-background {
    pointer-events: none
}

.hero {
    height: calc(1082 * var(--u))
}

/* 首屏视频：按舞台高度铺满裁切，不参与图片的缓慢推近动画 */
.hero-video {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    background: #0b0b0b
}

/* 只有一支视频时隐藏切换箭头与分页点 */
.hero-single .hero-prev,
.hero-single .hero-next,
.hero-single .hero-pagination {
    display: none !important
}

.applications {
    height: calc(1111 * var(--u))
}

.technology {
    height: calc(1324 * var(--u))
}

.manufacturing {
    height: calc(1318 * var(--u))
}

.factory {
    height: calc(849 * var(--u))
}

.news {
    height: calc(1079 * var(--u))
}

.partners {
    height: calc(912 * var(--u));
    background: #f3f3f7
}

.footer {
    height: calc(770 * var(--u))
}

.site-header {
    z-index: 10;
    left: 5%;
    top: calc(10 * var(--u));
    width: 90%;
    height: calc(85 * var(--u))
}

.logo-link {
    width: calc(217 * var(--u));
    flex: none
}

.desktop-nav {
    margin-left: auto;
    gap: calc(73 * var(--u));
    font-size: calc(18 * var(--u));
    white-space: nowrap
}

.desktop-nav a {
    position: relative;
    padding: calc(15 * var(--u)) 0;
    transition: color .2s
}

.desktop-nav a:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: #fff;
    transition: width .2s
}

.desktop-nav a:hover:after,.desktop-nav a.active:after {
    width: 100%
}

.header-actions {
    margin-left: calc(43 * var(--u));
    gap: calc(65 * var(--u))
}

.nav-separator {
    height: calc(18 * var(--u));
    width: 1px;
    background: #888
}

.search-toggle {
    width: calc(21 * var(--u));
    height: calc(24 * var(--u))
}

.search-toggle svg {
    width: 100%;
    height: 100%
}

.menu-toggle {
    display: none
}

.hero-copy {
    z-index: 2;
    pointer-events: none
}

.hero-copy a {
    pointer-events: auto
}

.hero h1,
.hero h2 {
    font-family: SourceHan, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: calc(62 * var(--u));
    line-height: 1.3;
    font-weight: 500;
    letter-spacing: calc(-.7 * var(--u))
}

.hero h1 .hero-brand-name {
    font-family: SourceHan, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    letter-spacing: calc(-1 * var(--u))
}

.hero-copy>p {
    font-size: calc(38 * var(--u));
    line-height: 1.6;
    margin-top: calc(32 * var(--u));
    font-weight: 400;
    white-space: nowrap
}

.pill {
    border: 1px solid #575757;
    border-radius: 999px;
    height: calc(57 * var(--u));
    min-width: calc(171 * var(--u));
    font-size: calc(18 * var(--u));
    transition: background .25s, border-color .25s, transform .25s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: calc(28 * var(--u))
}

.pill:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px)
}

.hero-more {
    margin-top: calc(96 * var(--u));
    height: calc(61 * var(--u));
    font-size: calc(16 * var(--u));
    justify-content: flex-start;
    padding: 0 calc(20 * var(--u));
    gap: calc(30 * var(--u))
}

.round-arrow {
    background: #fff;
    color: #000;
    border-radius: 50%;
    width: calc(25 * var(--u));
    height: calc(25 * var(--u));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: calc(20 * var(--u))
}

.scroll-hint {
    z-index: 2;
    transition: transform .3s
}

.scroll-hint:hover {
    transform: translateY(5px)
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    z-index: 4;
    font-size: calc(65 * var(--u));
    line-height: 1;
    width: calc(55 * var(--u));
    height: calc(80 * var(--u));
    opacity: 0;
    transition: opacity .2s;
    color: #fff
}

.hero-prev {
    left: calc(20 * var(--u))
}

.hero-next {
    right: calc(20 * var(--u))
}

.hero:hover .carousel-arrow,
.carousel-arrow:focus-visible {
    opacity: .7
}

.hero-pagination {
    position: absolute;
    bottom: calc(35 * var(--u));
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 4;
    opacity: 0;
    transition: opacity .2s
}

.hero:hover .hero-pagination,
.hero:focus-within .hero-pagination {
    opacity: 1
}

.hero-pagination .swiper-pagination-bullet {
    background: #fff;
    width: calc(8 * var(--u));
    height: calc(8 * var(--u));
    margin: 0 calc(6 * var(--u))
}

.section-heading h2 {
    font-size: calc(48 * var(--u));
    line-height: 1.5;
    font-weight: 500;
    white-space: nowrap
}

.application-heading {
    background: linear-gradient(90deg, #000 42%, #bdbdbd 58%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent
}

.technology-heading {
    background: linear-gradient(90deg, #fff 38%, #666 65%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent
}

.section-tag {
    margin-top: calc(48 * var(--u));
    height: calc(52 * var(--u));
    min-width: calc(179 * var(--u));
    padding: 0 calc(30 * var(--u));
    border-radius: 99px;
    border: 1px solid #f1d6de;
    border-left-color: #b10e44;
    border-top-color: #ce5279;
    color: #404040;
    font-size: calc(18 * var(--u));
    gap: calc(17 * var(--u))
}

.section-tag i {
    display: block;
    width: calc(8 * var(--u));
    height: calc(8 * var(--u));
    border-radius: 50%;
    background: var(--accent)
}

.section-tag:hover {
    background: #a30b40;
    color: white;
    border-color: #a30b40
}

.section-tag:hover i {
    background: #fff
}

.tag-dark {
    border-color: #4d4d4d;
    border-left-color: #ddd;
    border-top-color: #a6a6a6;
    color: #fff
}

.tag-dark i {
    background: #fff
}

.application-grid {
    gap: calc(24 * var(--u))
}

.application-card {
    border-radius: calc(20 * var(--u));
    color: #fff;
    isolation: isolate
}

.application-card>img {
    transition: transform .6s
}

.application-card:hover>img,
.application-card:focus-within>img {
    transform: scale(1.035)
}

.application-card:hover .pill {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px)
}

.application-copy {
    top: calc(425 * var(--u))
}

.application-copy h3 {
    font-size: calc(30 * var(--u));
    font-weight: 500;
    line-height: 1.5
}

.application-copy p {
    font-size: calc(18 * var(--u));
    margin-top: calc(17 * var(--u));
    line-height: 1.6
}

.application-copy .pill {
    margin-top: calc(28 * var(--u));
    font-size: calc(18 * var(--u))
}

.accent {
    background: #991038;
    border-color: #b25871
}

.tech-card {
    border-radius: calc(15 * var(--u));
    background: #fff;
    color: #444;
    padding: calc(42 * var(--u));
    transition: background .3s, color .3s, transform .3s;
    border: 1px solid #e2e2e2;
    overflow: hidden
}

.tech-number {
    display: block;
    font-family: SourceHan, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: calc(64 * var(--u));
    font-weight: 400;
    line-height: 1.5;
    color: #fff;
    -webkit-text-stroke: 1px #ededed
}

.tech-card h3 {
    font-size: calc(26 * var(--u));
    font-weight: 500;
    line-height: 1.7;
    white-space: nowrap;
    margin-top: calc(14 * var(--u))
}

.tech-card>p {
    font-size: calc(16 * var(--u));
    line-height: calc(33 * var(--u));
    color: #b5b5b5;
    margin-top: calc(17 * var(--u))
}

.tech-spec {
    gap: calc(14 * var(--u));
    position: absolute;
    left: calc(49 * var(--u));
    top: calc(310 * var(--u));
    font-size: calc(18 * var(--u));
    line-height: calc(36 * var(--u));
    font-weight: 400;
    white-space: nowrap
}

.tech-spec img {
    width: calc(29 * var(--u));
    height: calc(29 * var(--u));
    object-fit: contain;
    margin-top: calc(4 * var(--u))
}
.tech-spec span strong ,.tech-spec  strong span{
   color: #a30b40 !important;
}
.tech-card:hover {
    transform: translateY(calc(-8 * var(--u)))
}

.manufacturing-intro {
    font-size: calc(26 * var(--u));
    line-height: 1.5;
    margin-top: calc(42 * var(--u))
}

.stat {
    color: #3b3b3b
}

.stat-value {
    gap: calc(16 * var(--u));
    line-height: 1
}

.stat-value strong {
    font-family: SourceHan, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: calc(80 * var(--u));
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: calc(-3 * var(--u))
}

.stat-value small {
    font-size: calc(18 * var(--u));
    font-weight: 400;
    white-space: nowrap
}

.stat-value small:empty {
    display: none
}

.stat>p {
    font-size: calc(18 * var(--u));
    line-height: 1.5;
    margin-top: calc(46 * var(--u))
}

.stat.stat1 {--x:140;--y:515;--w:350;}
.stat.stat2 {--x:684;--y:515;--w:350;}
.stat.stat3 {--x:1130;--y:515;--w:350;}
.stat.stat4 {--x:1495;--y:515;--w:350;}

.factory-preview .image-zoom {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #0008;
    color: #fff;
    font-size: 28px;
    opacity: 0;
    transition: opacity .2s
}

.factory-preview:hover .image-zoom {
    opacity: 1
}

.factory-preview>img {
    transition: transform .5s
}

.factory-preview:hover>img {
    transform: scale(1.03)
}

.factory-shade {
    background: linear-gradient(90deg, rgba(0, 0, 0, .60), rgba(0, 0, 0, .30));
    z-index: 1;
    pointer-events: none
}

.factory-intro {
    z-index: 2;
    font-size: calc(24 * var(--u));
    font-weight: 400;
    line-height: calc(57 * var(--u))
}

.factory-thumbs {
    z-index: 3;
    gap: calc(20 * var(--u))
}

.factory-thumb {
    flex: none;
    position: relative;
    width: calc(204 * var(--u));
    height: calc(123 * var(--u));
    border: 1px solid #ddd;
    transition: width .3s, height .3s;
    opacity: .85
}

.factory-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.factory-thumb.active {
    width: calc(269 * var(--u));
    height: calc(161 * var(--u));
    opacity: 1;
    border: 2px solid #fff
}

.factory-thumb span {
    position: absolute;
    top: calc(100% + 22 * var(--u));
    left: 0;
    white-space: nowrap;
    width: 100%;
    font-size: calc(18 * var(--u));
    opacity: 0
}

.factory-thumb.active span {
    opacity: 1
}

.factory .swiper {
    height: 100%
}

.news-grid {
    gap: calc(68 * var(--u))
}

.news-card {
    border-radius: calc(20 * var(--u));
    background: #1b1b1b;
    border: 1px solid #343434;
    transition: border-color .3s, transform .3s
}

.news-card:has(:focus-visible) {
    border-color: transparent
}

.news-image {
    height: calc(327 * var(--u));
    border-radius: calc(20 * var(--u));
    isolation: isolate
}

.news-image>img {
    transition: transform .5s
}

.news-copy {
    padding: calc(23 * var(--u)) calc(26 * var(--u))
}

.news-category {
    display: inline-block;
    border-radius: 99px;
    background: #efefef;
    color: #333;
    font-size: calc(14 * var(--u));
    line-height: calc(31 * var(--u));
    padding: 0 calc(7 * var(--u))
}

.news-card:has(:focus-visible) .news-category {
    color: #fff;
    background: var(--accent)
}

.news-copy h3 {
    font-size: calc(22 * var(--u));
    font-weight: 500;
    line-height: calc(35 * var(--u));
    margin: calc(18 * var(--u)) 0 calc(20 * var(--u))
}

.news-copy h3 button {
    text-align: left
}

.news-copy time {
    font-size: calc(14 * var(--u));
    color: #737373;
    display: block
}

.news-more {
    margin-top: calc(13 * var(--u));
    padding-top: calc(23 * var(--u));
    border-top: 1px solid #303030;
    width: 100%;
    font-size: calc(14 * var(--u));
    gap: calc(10 * var(--u))
}

.news-more>span {
    width: calc(23 * var(--u));
    height: calc(23 * var(--u));
    border-radius: 50%;
    background: var(--accent);
    font-size: calc(15 * var(--u));
    line-height: calc(23 * var(--u))
}

.partner-logos {
    object-fit: contain
}

.footer-brand {
    gap: calc(46 * var(--u));
    border-bottom: 1px solid #262626;
    padding-bottom: calc(45 * var(--u))
}

.footer-brand img {
    width: calc(217 * var(--u))
}

.footer-brand p {
    font-size: calc(20 * var(--u));
    line-height: calc(44 * var(--u))
}

.footer:before {
    content: '';
    position: absolute;
    top: calc(167 * var(--u));
    height: 1px;
    background: #202020;
    width: 100%
}

.footer-links {
    grid-template-columns: 191fr 197fr 225fr 200fr 200fr;
    gap: 0
}

.footer-title {
    font-size: calc(18 * var(--u));
    white-space: nowrap;
    line-height: 1.5
}

.footer-column ul {
    list-style: none;
    margin: calc(57 * var(--u)) 0 0;
    padding: 0;
    color: #777;
    font-size: calc(16 * var(--u));
    line-height: calc(38 * var(--u));
    white-space: nowrap
}

.footer-column a {
    transition: color .2s
}

.footer-column a:hover {
    color: #d85b85
}

.footer-contact {
    font-size: calc(18 * var(--u));
    line-height: 1.5;
    color: #777
}

.footer-contact .phone {
    font-size: calc(24 * var(--u));
    font-weight: 400;
    color: #fff;
    display: block;
    margin-top: calc(19 * var(--u));
    letter-spacing: calc(.4 * var(--u))
}

.address-label {
    margin-top: calc(44 * var(--u));
    margin-bottom: calc(20 * var(--u))
}

.footer-contact>span {
    font-size: calc(18 * var(--u));
    color: #fff
}

.qr-codes {
    gap: calc(24 * var(--u));
    text-align: center;
    font-size: calc(16 * var(--u));
    line-height: 1.6
}

.qr-codes button {
    width: calc(128 * var(--u));
    flex: none
}

.qr-codes img {
    width: 100%;
    transition: transform .3s
}

.qr-codes button:hover img {
    transform: scale(1.06)
}

.qr-codes span {
    display: block;
    margin-top: calc(16 * var(--u))
}

.footer-wordmark {
    opacity: 1;
    pointer-events: none
}

.copyright {
    font-size: calc(16 * var(--u));
    line-height: 1.5;
    color: #666;
    z-index: 1
}

.copyright>div {
    display: flex;
    gap: calc(10 * var(--u))
}

.copyright button:hover {
    color: #fff
}

.back-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    background: #111d;
    color: #fff;
    border: 1px solid #555;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    z-index: 20;
    font-size: 24px
}

.back-top[hidden] {
    display: none
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    transform: translateY(-200%);
    background: #a30b40;
    color: #fff;
    padding: 12px;
    z-index: 100
}

.skip-link:focus {
    transform: none
}

.site-dialog {
    width: min(800px, calc(100% - 32px));
    max-height: 85vh;
    border: 1px solid #444;
    border-radius: 14px;
    padding: 0;
    background: #151515;
    color: #fff;
    box-shadow: 0 24px 100px #0008
}

.site-dialog::backdrop {
    background: #000b;
    backdrop-filter: blur(6px)
}

.dialog-inner {
    padding: 44px 36px 36px;
    position: relative
}

.dialog-close {
    position: absolute;
    right: 14px;
    top: 7px;
    width: 32px;
    height: 32px;
    font-size: 30px;
    color: #ccc
}

.dialog-inner h2 {
    font-size: 26px;
    font-weight: 500;
    line-height: 1.5;
    margin: 8px 0 24px
}

.dialog-inner p {
    font-size: 16px;
    line-height: 1.9;
    color: #ccc;
    margin: 15px 0
}

.dialog-inner .detail-image {
    width: 100%;
    max-height: 50vh;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 20px
}

.dialog-inner .detail-qr {
    width: 260px;
    max-width: 80%;
    margin: 20px auto;
    image-rendering: auto
}

.dialog-inner .contact-link {
    display: inline-block;
    background: #a30b40;
    border-radius: 40px;
    padding: 10px 24px;
    margin-top: 12px
}

.dialog-inner .detail-note {
    font-size: 13px;
    color: #888
}

.dialog-inner time {
    color: #888;
    font-size: 14px
}

#search-form {
    gap: 10px
}

#search-input {
    flex: 1;
    min-width: 0;
    background: #242424;
    border: 1px solid #555;
    border-radius: 6px;
    color: #fff;
    padding: 12px
}

#search-input:focus {
    outline: 1px solid #b42455
}

.search-submit {
    background: #a30b40;
    padding: 0 20px;
    border-radius: 6px
}

#search-results {
    margin-top: 22px
}

#search-results a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid #333
}

#search-results a:hover {
    color: #ef9db9
}

@media(min-width:1921px) {
    :root {
        --u: calc(100vw / 1920)
    }
}

@media(max-width:767px) {
    :root {
        --u: 1px
    }

    .stage {
        height: auto
    }

    .pos {
        left: auto;
        top: auto;
        width: auto;
        height: auto;
        position: relative
    }

    .site-header {
        left: 24px;
        top: 10px;
        width: calc(100% - 48px);
        height: 60px
    }

    .logo-link {
        width: 145px
    }

    .header-actions {
        margin-left: auto;
        gap: 24px
    }

    .nav-separator {
        display: none
    }

    .search-toggle {
        width: 20px;
        height: 22px
    }

    .menu-toggle {
        display: flex;
        width: 24px;
        height: 24px;
        flex-direction: column;
        justify-content: center;
        gap: 7px
    }

    .menu-toggle span {
        display: block;
        width: 24px;
        height: 1px;
        background: #fff
    }

    .desktop-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: -24px;
        width: calc(100% + 48px);
        background: #080b12f5;
        margin: 0;
        padding: 15px 24px 25px;
        gap: 0;
        font-size: 16px
    }

    .desktop-nav.open {
        display: flex;
        flex-direction: column;
        align-items: stretch
    }

    .desktop-nav a {
        padding: 13px 0;
        border-bottom: 1px solid #252525
    }

    .hero {
        height: 100vh;
        height: 100svh
    }

    .hero-swiper .swiper-slide img,
    .hero-swiper .hero-video {
        object-position: 50% center
    }

    .hero:after {
        content: '';
        position: absolute;
        inset: 0;
        z-index: 1;
        background: linear-gradient(90deg, #0009, transparent)
    }

    .hero-copy {
        position: absolute;
        left: 24px;
        top: 235px;
        width: calc(100% - 48px);
        z-index: 2
    }

    .hero h1,
    .hero h2 {
        font-size: 34px;
        letter-spacing: -1px
    }

    .hero-copy>p {
        white-space: normal;
        max-width: 310px;
        font-size: 19px;
        line-height: 1.8;
        margin-top: 25px
    }

    .hero-more {
        font-size: 14px;
        height: 46px;
        min-width: 150px;
        margin-top: 46px;
        padding: 0 17px;
        gap: 18px
    }

    .round-arrow {
        width: 21px;
        height: 21px;
        font-size: 15px
    }

    .scroll-hint {
        position: absolute;
        left: calc(50% - 20px);
        top: auto;
        bottom: 28px;
        width: 40px;
        height: 50px;
        z-index: 3
    }

    .carousel-arrow {
        width: 30px;
        height: 50px;
        font-size: 42px;
        top: auto;
        bottom: 32px;
        opacity: .65;
        z-index: 5
    }

    .hero-prev {
        left: 24px
    }

    .hero-next {
        right: 24px
    }

    .hero-pagination {
        bottom: 34px
    }

    .hero-pagination .swiper-pagination-bullet {
        width: 6px;
        height: 6px;
        margin: 0 4px
    }

    .section-heading {
        position: relative;
        text-align: center;
        width: 100%;
        left: auto;
        top: auto
    }

    .section-heading h2 {
        white-space: normal;
        font-size: 27px;
        line-height: 1.6;
        padding: 0 22px
    }

    .section-tag {
        font-size: 13px;
        height: 38px;
        min-width: 132px;
        margin-top: 23px;
        padding: 0 22px;
        gap: 12px
    }

    .section-tag i {
        width: 6px;
        height: 6px
    }

    .applications {
        padding: 55px 20px 60px
    }

    .application-grid {
        margin-top: 38px;
        grid-template-columns: 1fr;
        gap: 22px
    }

    .application-card {
        aspect-ratio: 558/661;
        border-radius: 16px
    }

    .application-copy {
        top: auto;
        bottom: 35px
    }

    .application-copy h3 {
        font-size: 24px
    }

    .application-copy p {
        font-size: 13px;
        margin-top: 8px
    }

    .application-copy .pill {
        font-size: 14px;
        min-width: 145px;
        height: 44px;
        margin-top: 22px
    }

    .technology {
        padding: 55px 20px 0
    }

    .technology>.stage-background {
        position: absolute;
        height: 100%;
        object-position: 26% center;
        opacity: .75
    }

    .technology-heading {
        background: linear-gradient(90deg, #fff 40%, #999 80%);
        background-clip: text;
        -webkit-background-clip: text
    }

    .technology-cards {
        position: relative;
        display: grid;
        grid-template-columns: 1fr;
        gap: 18px;
        margin-top: 210px
    }

    .tech-card {
        left: auto;
        top: auto;
        width: 100%;
        height: 310px;
        padding: 27px;
        border-radius: 14px
    }

    .tech-number {
        font-size: 50px;
        line-height: 1.3
    }

    .tech-card h3 {
        font-size: 21px;
        white-space: normal;
        line-height: 1.6;
        margin-top: 9px
    }

    .tech-card>p {
        font-size: 14px;
        line-height: 1.9;
        margin-top: 13px
    }

    .tech-spec {
        font-size: 14px;
        line-height: 1.9;
        top: auto;
        bottom: 30px;
        left: 28px;
        gap: 12px
    }

    .tech-spec img {
        width: 24px;
        height: 24px
    }

    .technology-cards .tech-card:last-child {
        margin-bottom: 24px
    }

    .manufacturing {
        padding: 58px 20px 60px
    }

    .manufacturing>.stage-background {
        position: absolute;
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center
    }

    .manufacturing-intro {
        font-size: 15px;
        line-height: 1.8;
        margin: 26px 12px 0
    }

    .stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        position: relative;
        gap: 35px 10px;
        margin: 46px 5px
    }

    .stat-value {
        gap: 7px;
        flex-wrap: wrap
    }

    .stat-value strong {
        font-size: 42px;
        letter-spacing: -1px
    }

    .stat-value small {
        font-size: 12px
    }

    .stat>p {
        font-size: 12px;
        margin-top: 16px
    }

    .factory-preview {
        width: 100%;
        aspect-ratio: 777/406
    }

    .factory {
        height: 620px
    }

    .factory-intro {
        position: absolute;
        left: 24px;
        top: 75px;
        width: calc(100% - 48px);
        font-size: 18px;
        line-height: 2
    }

    .factory-thumbs {
        position: absolute;
        left: 24px;
        top: auto;
        bottom: 100px;
        width: calc(100% - 48px);
        gap: 8px;
        height: 70px;
        align-items: center
    }

    .factory-thumb,
    .factory-thumb.active {
        width: calc((100% - 24px)/4);
        height: 58px
    }

    .factory-thumb.active {
        height: 72px
    }

    .factory-thumb span {
        font-size: 11px;
        top: calc(100% + 12px)
    }

    .factory .swiper-slide img {
        object-position: 56% center
    }

    .news {
        padding: 55px 20px 60px
    }

    .news-grid {
        margin-top: 38px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 24px
    }

    .news-card {
        border-radius: 16px
    }

    .news-image {
        height: auto;
        aspect-ratio: 503/327;
        border-radius: 16px
    }

    .news-copy {
        padding: 20px
    }

    .news-category {
        font-size: 12px;
        line-height: 24px;
        padding: 0 7px
    }

    .news-copy h3 {
        font-size: 18px;
        line-height: 1.7;
        margin: 14px 0
    }

    .news-copy time {
        font-size: 12px
    }

    .news-more {
        font-size: 12px;
        margin-top: 12px;
        padding-top: 16px;
        gap: 9px
    }

    .news-more>span {
        width: 21px;
        height: 21px;
        font-size: 13px;
        line-height: 21px
    }

    .partners {
        height: 440px;
        padding-top: 48px
    }

    .partners>.stage-background {
        height: 100%;
        object-fit: cover
    }

    .partner-logos {
        position: absolute;
        left: 50%;
        top: 195px;
        width: 900px;
        max-width: none;
        height: auto;
        transform: translateX(-50%)
    }

    .footer {
        padding: 35px 24px 95px;
        min-height: 930px
    }

    .footer-brand {
        width: 100%;
        height: auto;
        gap: 22px;
        padding-bottom: 30px;
        align-items: flex-start
    }

    .footer-brand img {
        width: 125px
    }

    .footer-brand p {
        font-size: 10px;
        line-height: 2
    }

    .footer:before {
        display: none
    }

    .footer-links {
        margin-top: 34px;
        width: 100%;
        grid-template-columns: 1fr 1fr;
        gap: 30px 15px
    }

    .footer-title {
        font-size: 14px
    }

    .footer-column ul {
        font-size: 12px;
        line-height: 2;
        margin-top: 14px
    }

    .footer-contact {
        margin-top: 30px;
        font-size: 13px
    }

    .footer-contact .phone {
        font-size: 23px;
        margin-top: 10px
    }

    .address-label {
        margin: 20px 0 9px
    }

    .footer-contact>span {
        font-size: 13px
    }

    .qr-codes {
        margin-top: 26px;
        gap: 22px;
        font-size: 12px
    }

    .qr-codes button {
        width: 100px
    }

    .qr-codes span {
        margin-top: 10px
    }

    .footer-wordmark {
        position: absolute;
        bottom: 0;
        left: 24px;
        top: auto;
        width: calc(100% - 48px);
        height: auto
    }

    .copyright {
        margin-top: 30px;
        font-size: 10px;
        line-height: 1.8;
        display: block
    }

    .copyright>div {
        margin-top: 12px;
        gap: 6px
    }

    .back-top {
        right: 14px;
        bottom: 14px;
        width: 38px;
        height: 38px
    }

    .dialog-inner {
        padding: 40px 22px 25px
    }

    .dialog-inner h2 {
        font-size: 23px
    }

    .dialog-inner p {
        font-size: 14px
    }
}

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

    *,
    *:before,
    *:after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important
    }
}

/* The design units track the content width, excluding a browser scrollbar. */
.design-page {
    container-type: inline-size;
    --u: calc(100cqw / 1920)
}

@media(max-width:767px) {
    .design-page {
        --u: 1px
    }
}

/* Fine positioning measured against the 1920 × 8445 PSD. */
@media(min-width:768px) {
    .section-tag {
        margin-top: calc(39 * var(--u))
    }
}

.footer-wordmark {
    opacity: .065
}

.tech-spec img {
    filter: grayscale(1)
}

.tech-card:hover .tech-spec img {
    filter: grayscale(1) brightness(0) invert(1)
}

.manufacturing:before {
    content: '';
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 32%;
    background: linear-gradient(#f8f8f8, transparent);
    pointer-events: none
}

.manufacturing>.section-heading,
.manufacturing>.stats,
.manufacturing>.factory-preview {
    z-index: 2
}

.hero .hero-swiper,
.factory .factory-swiper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%
}

@media(min-width:768px) {
    .header-actions {
        gap: calc(44 * var(--u))
    }

    .news-copy h3 {
        max-width: calc(438.5 * var(--u))
    }
}

/* PSD red news card styling represents hover, rather than a permanent selection. */
.news-category {
    transition: background-color .3s ease, color .3s ease
}

@media (hover:hover) and (pointer:fine) {
    .news-card:hover {
        border-color: transparent;
        transform: translateY(calc(-8 * var(--u)))
    }

    .news-card:hover .news-category {
        color: #fff;
        background: var(--accent)
    }

    .news-card:hover .news-image>img {
        transform: scale(1.04)
    }
}

/* Thin, continuous PSD edge: dark upper-left fading to a rose highlight. */
@property --news-edge-angle {
    syntax: "<angle>";
    inherits: false;
    initial-value: 135deg
}

.news-card {
    position: relative;
    isolation: isolate;
    overflow: visible
}

.news-card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: clamp(.75px, calc(1 * var(--u)), 1px);
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(var(--news-edge-angle), #2e1b37 0%, #4f1b36 40%, #9c0e3e 70%, #ff005c 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .35s ease;
    animation: news-edge-flow 10s linear infinite;
    animation-play-state: paused;
}

.news-card:has(:focus-visible)::after {
    opacity: 1;
    animation-play-state: running
}

@media(hover:hover) and (pointer:fine) {
    .news-card:hover::after {
        opacity: 1;
        animation-play-state: running
    }
}

@keyframes news-edge-flow {
    from {
        --news-edge-angle: 135deg
    }

    to {
        --news-edge-angle: 495deg
    }
}
@media (min-width:1930px) {
    p.fourdesc {font-size:20px;}
}
@media(prefers-reduced-motion:reduce) {
    .news-card::after {
        animation: none
    }
}
/* ===== footer 水印层级：压在导航/版权文字之下，永不遮挡 ===== */
.footer {
    position: relative;
    isolation: isolate
}

.footer .footer-wordmark {
    z-index: 0;
    opacity: 1
}

.footer .footer-brand,
.footer .footer-links,
.footer .footer-contact,
.footer .qr-codes,
.footer .copyright {
    z-index: 2
}