@charset "utf-8";


/* ============================================
   安泰电气官网 · 内页共用样式
   依赖 css/styles.css 的变量与全局类（.container/.eyebrow/.section-title/.ghost-btn/.reveal 等）
   ============================================ */

/* 内页 body 用浅底（网站首页是深底） */
body.inner {
    background: var(--bg-light);
    color: var(--text-dark);
}

/* 内页 header 在浅色页上：默认就给深字底纹，避免透明白字看不清 */
body.inner .site-header {
    background: rgba(255, 255, 255, 0);
}

/* 无顶部 Banner 的内页（404、网站地图等）：首屏即深色导航，无需滚动才可见 */
body.inner.inner-plain .site-header:not(.scrolled),
body.inner:not(:has(.page-hero)) .site-header:not(.scrolled) {
    color: var(--text-dark);
}
body.inner.inner-plain .site-header:not(.scrolled)::before,
body.inner:not(:has(.page-hero)) .site-header:not(.scrolled)::before {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
}
body.inner.inner-plain .site-header:not(.scrolled) .lang-switch a.active,
body.inner:not(:has(.page-hero)) .site-header:not(.scrolled) .lang-switch a.active {
    color: var(--tech-blue);
}
body.inner.inner-plain .site-header:not(.scrolled) .main-nav a.active::after,
body.inner:not(:has(.page-hero)) .site-header:not(.scrolled) .main-nav a.active::after {
    background: var(--tech-blue);
}

/* ============================================
   1 · 内页 Banner（顶部大图 + 蒙版 + 面包屑 + 标题）
   ============================================ */
.page-hero {
    position: relative;
    min-height: 46vh;
    display: flex;
    align-items: flex-end;
    padding: 0 0 40px;
    background-size: cover;
    background-position: center;
    color: var(--white);
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, rgba(10, 22, 40, 0.35) 40%, rgba(10, 22, 40, 0.82) 100%);
}
.page-hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
}
.page-hero .eyebrow {
    color: var(--aurora);
}
.page-hero-title {
    font-weight: 900;
    font-size: clamp(22px, 3vw, 38px);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 12px 0 14px;
}
.page-hero-title .accent {
    color: var(--aurora);
    font-style: italic;
}
.page-hero-sub {
    color: var(--white-70);
    max-width: 640px;
    line-height: 1.8;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: clamp(18px, 2vw, 26px);
    /* font-family: var(--font-mono); */
    /* font-size: 12px; */
    letter-spacing: 0.08em;
    color: var(--white-70);
}
.breadcrumb a {
    color: var(--white-70);
    transition: color 0.3s var(--ease);
}
.breadcrumb a:hover {
    color: var(--aurora);
}
.breadcrumb .sep {
    opacity: 0.5;
}
.breadcrumb .current {
    color: var(--white);
}

/* ============================================
   2 · 内容分区
   ============================================ */
.inner-section {
    padding: clamp(35px, 6vw, 80px) 0;
}
.inner-section.tint {
    background: #EAF1FA;
}

/* 浅冷蓝 */
.inner-section.ink {
    background: var(--ink-2);
    color: var(--white);
}
.inner-section.ink .section-title, .inner-section.ink h2, .inner-section.ink h3 {
    color: var(--white);
}
.inner-section.ink p {
    color: var(--white-70);
}
.section-head {
    margin-bottom: clamp(20px, 3.5vw, 48px);
}
.section-head.center {
    text-align: center;
}
.section-head .lead {
    color: var(--text-mid);
    max-width: 720px;
    margin-top: 14px;
    line-height: 1.9;
}
.section-head.center .lead {
    margin-left: auto;
    margin-right: auto;
}
.inner-section.ink .section-head .lead {
    color: var(--white-70);
}

/* ============================================
   3 · 图文左右分栏
   ============================================ */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(25px, 5vw, 72px);
    align-items: center;
}
.split.reverse>.split-media {
    order: -1;
}

/* 等高变体：左侧内容决定行高，右图填满与之等高（仅作用于加了 .split-equal 的块） */
.split.split-equal {
    align-items: stretch;
}
.split.split-equal .split-media img {
    aspect-ratio: auto;
    height: 100%;
}
.split-text h2 {
    font-size: clamp(18px, 2.6vw, 32px);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 18px;
}
.split-text h2 .accent {
    color: var(--tech-blue);
}
.split-text p {
    color: var(--text-mid);
    margin-bottom: 14px;
    line-height: 1.875;
}
.split-text p:last-child {
    margin-bottom: 0;
}
.inner-section.ink .split-text p {
    color: var(--white-70);
}
.profile-scroll p:last-child {
    margin-bottom: 0;
}
.profile-scroll::-webkit-scrollbar {
    width: 6px;
}
.profile-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.profile-scroll::-webkit-scrollbar-thumb {
    background: var(--line);
    border-radius: 3px;
}
.profile-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--tech-blue);
}
.profile-scroll {
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
}
.split-media {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 70px rgba(10, 22, 40, 0.18);
}
.split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform 0.8s var(--ease);
}
.split-media:hover img {
    transform: scale(1.04);
}
.mini-stats {
    display: flex;
    gap: clamp(20px, 3vw, 44px);
    flex-wrap: wrap;
    margin-top: 28px;
    justify-content: space-around;
}
.mini-stat .num {
    font-size: clamp(30px, 3.4vw, 36px);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(180deg, var(--tech-blue), var(--aurora));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.mini-stat .lbl {
    font-size: 13px;
    color: var(--text-soft);
    margin-top: 6px;
    letter-spacing: 0.05em;
}
.inner-section.ink .mini-stat .lbl {
    color: var(--white-70);
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}
.card-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}
.card-grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}
.feature-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 30px 26px;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 50px rgba(25, 118, 210, 0.12);
    border-color: rgba(25, 118, 210, 0.25);
}
.inner-section.ink .feature-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--white-10);
}
.feature-card .fc-icon {
    width: 52px;
    height: 52px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(25, 118, 210, 0.1);
    color: var(--tech-blue);
    margin-bottom: 18px;
}
.inner-section.ink .feature-card .fc-icon {
    background: rgba(79, 195, 247, 0.14);
    color: var(--aurora);
}
.feature-card .fc-icon svg {
    width: 26px;
    height: 26px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--text-mid);
    line-height: 1.8;
}
.inner-section.ink .feature-card h3 {
    color: var(--white);
}
.inner-section.ink .feature-card p {
    color: var(--white-70);
}
.feature-card ul {
    margin-top: 12px;
}
.feature-card ul li {
    font-size: 13.5px;
    color: var(--text-mid);
    padding-left: 18px;
    position: relative;
    margin-bottom: 7px;
}
.feature-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--tech-blue);
}
.inner-section.ink .feature-card ul li {
    color: var(--white-70);
}
.inner-section.ink .feature-card ul li::before {
    background: var(--aurora);
}
.timeline {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    padding-left: 8px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(180deg, var(--aurora), rgba(79, 195, 247, 0.1));
}
.tl-item {
    position: relative;
    padding: 0 0 36px 56px;
}
.tl-item::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ink-2);
    border: 3px solid var(--aurora);
    box-shadow: 0 0 0 4px rgba(79, 195, 247, 0.15);
}
.tl-year {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
    color: var(--aurora);
    line-height: 1;
    margin-bottom: 8px;
}
.tl-item h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
}
.tl-item p {
    font-size: 14px;
    color: var(--white-70);
    line-height: 1.8;
}


.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
}
.logo-cell {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
    aspect-ratio: 3/2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    transition: all 0.3s var(--ease);
}
.logo-cell:hover {
    box-shadow: 0 12px 30px rgba(10, 22, 40, 0.1);
}
.logo-cell img {
    max-height: 56px;
    width: auto;
    object-fit: contain;
    filter: grayscale(1);
    opacity: 0.7;
    transition: all 0.3s var(--ease);
}
.logo-cell:hover img {
    filter: grayscale(0);
    opacity: 1;
}
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gallery .g-item {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.gallery .g-item.tall {
    grid-row: span 2;
    aspect-ratio: auto;
}
.gallery .g-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s var(--ease);
}
.gallery .g-item:hover img {
    transform: scale(1.06);
}
.gallery .g-cap {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 22px 18px 14px;
    background: linear-gradient(transparent, rgba(10, 22, 40, 0.78));
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
}
.prod-grid {
    display: grid;
    /* grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); */
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.prod-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.4s var(--ease);
    display: flex;
    flex-direction: column;
}
.prod-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 60px rgba(25, 118, 210, 0.16);
}
.prod-card .pc-img {
    aspect-ratio: 4/3;
    background: radial-gradient(circle at 50% 40%, #EAF1FA, #DCE6F2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.prod-card .pc-img img {
    width: 82%;
    height: 82%;
    object-fit: contain;
    transition: transform 0.6s var(--ease);
}
.prod-card:hover .pc-img img {
    transform: scale(1.06);
}
.prod-card .pc-img-placeholder,
.detail-hero .dh-media .pc-img-placeholder {
    color: #9aa3ad;
    font-size: 18px;
    line-height: 1.4;
    user-select: none;
}
.prod-card .pc-body {
    padding: 22px 22px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.prod-card h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.prod-card .pc-en {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 12px;
}
.prod-card p {
    color: var(--text-mid);
    line-height: 1.8;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 50px;
}
.prod-card .pc-link {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--tech-blue);
    font-weight: 600;
    transition: gap 0.3s var(--ease);
}
.prod-card .pc-link:hover {
    gap: 14px;
}
.spec-table {
    width: 100%;
    border-collapse: collapse;
}
.spec-table th,
.spec-table td {
    text-align: left;
    padding: 14px 5px;
    border-bottom: 1px solid var(--line);
    text-align: center;
}
.spec-table th {
    color: var(--text-soft);
    text-transform: uppercase;
    width: 40%;
    font-weight: 500;
}
.spec-table td {
    color: var(--text-dark);
    font-weight: 500;
}
.spec-table tr:hover td,
.spec-table tr:hover th {
    background: rgba(25, 118, 210, 0.03);
}
.spec-note {
    margin-top: 14px;
    color: var(--text-soft);
    line-height: 1.8;
}
.detail-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
}
.detail-hero .dh-media {
    border-radius: 18px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 40%, #EAF1FA, #DCE6F2);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.detail-hero .dh-media img {
    width: 84%;
    height: 84%;
    object-fit: contain;
}
.detail-hero h1 {
    font-size: clamp(20px, 2.6vw, 28px);
    font-weight: 900;
    margin-bottom: 15px;
}
.detail-hero .dh-desc {
    color: var(--text-mid);
    line-height: 1.9;
    margin-bottom: 30px;
}
.product-layout {
    display: grid;
    grid-template-columns: 267px 1fr;
    gap: clamp(24px, 3vw, 32px);
    align-items: start;
}
.prod-sidebar {
    position: sticky;
    top: 92px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.prod-sidebar .ps-title {
    font-size: 17px;
    font-weight: 800;
    padding-bottom: 13px;
    border-bottom: 2px solid var(--tech-blue);
}
.prod-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.prod-nav>li>a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 12px 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-dark);
    transition: all 0.3s var(--ease);
    cursor: pointer;
}
.prod-nav>li>a:hover,
.prod-nav>li.open>a,
.prod-nav>li>a.active {
    background: var(--tech-blue);
    color: #fff;
}
.pn-caret {
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.3s var(--ease);
    flex-shrink: 0;
    margin-top: -3px;
    opacity: 0.75;
}
.prod-nav>li.open>a .pn-caret {
    transform: rotate(-135deg);
    margin-top: 2px;
}
.prod-nav>li:not(.has-sub) .pn-caret {
    display: none;
}
.prod-nav .sub {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    padding-left: 14px;
    transition: max-height 0.38s var(--ease);
}
.prod-nav>li.open .sub {
    max-height: 440px;
    padding-top: 4px;
    padding-bottom: 8px;
}
@media (min-width: 996px) {
    .prod-nav>li.has-sub .sub {
        max-height: 520px;
        padding-top: 4px;
        padding-bottom: 8px;
    }
}
.prod-nav .sub a {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-soft);
    border-radius: 8px;
    transition: all 0.25s var(--ease);
}
.prod-nav .sub a:hover,
.prod-nav .sub a.active {
    color: var(--tech-blue);
    background: rgba(25, 118, 210, 0.06);
}
.prod-aside-card {
    background: var(--ink);
    color: #fff;
    border-radius: 14px;
    padding: 20px;
}
.prod-aside-card h4 {
    font-size: 15px;
    margin-bottom: 14px;
}
.prod-aside-card .pa-item {
    margin-bottom: 14px;
    color: var(--white-70);
}
.prod-aside-card .pa-item:last-child {
    margin-bottom: 0;
}
.prod-aside-card .pa-item strong {
    display: block;
    color: #fff;
    margin-top: 3px;
    word-break: break-all;
}
.prod-cat-group {
    margin-bottom: clamp(40px, 5vw, 60px);
}
.prod-cat-group:last-child {
    margin-bottom: 0;
}
.prod-cat {
    margin-bottom: clamp(40px, 5vw, 60px);
    scroll-margin-top: 84px;
}
.prod-cat-anchor {
    display: block;
    height: 0;
    scroll-margin-top: 84px;
}
.prod-cat-group.is-hidden,
.prod-cat.is-hidden {
    display: none !important;
}
.prod-cat-group .prod-cat:last-child {
    margin-bottom: 0;
}
.prod-cat-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 22px;
    padding-bottom: 13px;
    border-bottom: 1px solid var(--line);
}
.prod-cat-head h2 {
    font-size: clamp(16px, 1.8vw, 20px);
    font-weight: 800;
}
.prod-cat-head .pch-en {
    font-style: italic;
    color: var(--text-soft);
}
.prod-cat-head .pch-count {
    margin-left: auto;
    color: var(--text-soft);
}
.pd-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.pd-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    font-size: 15px;
    transition: all 0.3s var(--ease);
    height: 60px;
    line-height: 60px;
    justify-content: center;
}
.pd-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.pd-btn.primary {
    background: var(--tech-blue);
    color: #fff;
}
.pd-btn.primary:hover {
    background: #1565C0;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(25, 118, 210, 0.3);
}
.pd-btn.ghost {
    border: 1.5px solid var(--tech-blue);
    color: var(--tech-blue);
}
.pd-btn.ghost:hover {
    background: var(--tech-blue);
    color: #fff;
}
.pd-btn .pb-txt {
    display: flex;
    flex-direction: column;
    line-height: 1.45;
}
.pd-btn .pb-txt small {
    font-size: 11px;
    opacity: 0.72;
    font-weight: 400;
}
.model-decode {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 4px;
}
.md-seg {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 14px 18px;
    min-width: 110px;
}
.md-seg .md-code {
    font-family: var(--font-mono);
    font-size: 19px;
    font-weight: 700;
    color: var(--tech-blue);
}
.md-seg .md-mean {
    font-size: 12.5px;
    color: var(--text-soft);
    margin-top: 6px;
    line-height: 1.5;
}
.feat-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 14px;
}
.feat-list li {
    position: relative;
    padding: 15px 18px 15px 42px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.7;
}
.feat-list li::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 21px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--tech-blue);
    box-shadow: 0 0 0 4px rgba(25, 118, 210, 0.15);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    justify-content: start;
}
.patent-marquee {
    overflow: hidden;
    position: relative;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.patent-track {
    display: flex;
    gap: 20px;
    width: max-content;
    animation: patent-scroll 120s linear infinite;
}
.patent-marquee:hover .patent-track {
    animation-play-state: paused;
}
.patent-item {
    flex: 0 0 auto;
    width: 190px;
    display: block;
}
.patent-item .pi-img {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    transition: all 0.4s var(--ease);
    height: 410px;
}
.patent-item:hover .pi-img {
    border-color: var(--tech-blue);
    box-shadow: 0 16px 36px rgba(25, 118, 210, 0.16);
    transform: translateY(-4px);
}
.patent-item .pi-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.patent-item .pi-name {
    color: var(--text-mid);
    margin-top: 20px;
    text-align: center;
}

@keyframes patent-scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

@media (max-width: 640px) {
    .patent-item {
        width: 150px;
    }

    .patent-item .pi-img {
        height: 200px;
    }
}
.logo-marquee {
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.logo-row {
    display: flex;
    gap: 18px;
    width: max-content;
}
.logo-row.r1 {
    animation: logo-scroll-l 90s linear infinite;
}
.logo-row.r2 {
    animation: logo-scroll-r 90s linear infinite;
}
.logo-marquee:hover .logo-row {
    animation-play-state: paused;
}
.logo-cell2 {
    flex: 0 0 auto;
    width: 152px;
    height: 84px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    transition: all 0.4s var(--ease);
}
.logo-cell2:hover {
    border-color: var(--tech-blue);
    box-shadow: 0 12px 28px rgba(25, 118, 210, 0.14);
}
.logo-cell2 img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

@keyframes logo-scroll-l {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

@keyframes logo-scroll-r {
    from {
        transform: translateX(-50%);
    }

    to {
        transform: translateX(0);
    }
}
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}
.lightbox.open {
    display: block;
}
.lightbox .lb-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0.82);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    animation: lb-fade 0.25s ease;
}
.lightbox .lb-dialog {
    position: absolute;
    inset: 0;
    margin: auto;
    width: -moz-fit-content;
    width: fit-content;
    height: -moz-fit-content;
    height: fit-content;
    max-width: 92vw;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    animation: lb-zoom 0.28s var(--ease);
}
.lightbox .lb-img {
    max-width: 92vw;
    max-height: 80vh;
    object-fit: contain;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.lightbox .lb-cap {
    color: #fff;
    font-size: 15px;
    letter-spacing: 0.02em;
    text-align: center;
    max-width: 92vw;
    line-height: 1.5;
}
.lightbox .lb-close {
    position: fixed;
    top: 22px;
    right: 26px;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    z-index: 1;
    transition: background 0.3s var(--ease);
}
.lightbox .lb-close:hover {
    background: var(--tech-blue);
}

@keyframes lb-fade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes lb-zoom {
    from {
        opacity: 0;
        transform: scale(0.94);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 640px) {
    .lightbox .lb-close {
        top: 14px;
        right: 14px;
    }

    .lightbox .lb-img {
        max-height: 72vh;
    }
}

@media (max-width: 900px) {
    .product-layout {
        grid-template-columns: 1fr;
    }

    .prod-sidebar {
        position: static;
    }

}
.news-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.news-tab {
    padding: 9px 24px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    font-weight: 600;
    color: var(--text-mid);
    cursor: pointer;
    transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.news-tab:hover:not(.active) {
    color: var(--tech-blue);
    border-color: var(--tech-blue);
    background: #fff;
}
.news-tab.active,
.news-tab.active:hover {
    background: var(--tech-blue);
    border-color: var(--tech-blue);
    color: #fff;
}
.news-list-page {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.nl-item.hide {
    display: none;
}
.nl-item {
    display: flex;
    /* grid-template-columns: 280px 1fr; */
    flex-wrap: wrap;
    padding: 26px 0;
    border-bottom: 1px solid var(--line);
    align-items: center;
    transition: all 0.3s var(--ease);
    box-sizing: border-box;
    align-items: center;
}
.nl-item:hover {
    background: rgba(25, 118, 210, 0.02);
}
.nl-item .nl-thumb {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    width: 22%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nl-item .nl-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.nl-body{
    width: 78%;
    padding-left: 28px;
    box-sizing: border-box;
}
.nl-item:hover .nl-thumb img {
    transform: scale(1.05);
}
.nl-date {
    letter-spacing: 0.08em;
    color: var(--tech-blue);
}
.nl-item .tit {
    font-size: 20px;
    font-weight: 700;
    margin: 5px 0 10px;
    transition: color 0.3s var(--ease);
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.nl-item .con{
    color: var(--text-mid);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 50px;
}
.nl-item:hover .tit {
    color: var(--tech-blue);
}
.nl-item p {
    color: var(--text-mid);
    line-height: 1.8;
}
.nl-item .pc-link {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--tech-blue);
    font-weight: 600;
    font-size: 14px;
    transition: gap 0.3s var(--ease);
}
.nl-item .pc-link:hover {
    gap: 14px;
}
.nl-cat {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--text-soft);
    text-transform: uppercase;
}
.article-wrap {
    /* max-width: 820px; */
    margin: 0 auto;
}
.article .news-tabs{
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    gap: 5px;
    align-items: center;
    color: var(--text-soft);
    margin-bottom: 24px;
    justify-content: center;
}
.article-cover {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 32px;
}
.article-cover img {
    width: 100%;
}
.prose p {
    color: var(--text-mid);
    line-height: 2;
    margin-bottom: 20px;
}
.prose h2 {
    font-size: 18px;
    font-weight: 800;
    margin: 20px 0 10px;
}
.prose h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 28px 0 12px;
}
.prose img {
    border-radius: 12px;
    margin: 24px auto;
    max-width: 80%;
}
.prose blockquote {
    border-left: 3px solid var(--tech-blue);
    padding: 6px 0 6px 22px;
    color: var(--text-dark);
    font-style: italic;
    margin: 24px 0;
    background: rgba(25, 118, 210, 0.04);
}
.prose ul {
    margin: 0 0 20px;
}
.prose ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-mid);
    line-height: 1.8;
}
.prose ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--tech-blue);
}
.con-return {
    margin-top: 40px;
    display: flex;
    align-items: center;
    color: var(--tech-blue);
    font-weight: 600;
    font-size: 15px;
    transition: gap 0.3s var(--ease);
    justify-content: center;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: stretch;
}
.contact-cards {
    display: grid;
    gap: 16px;
    grid-auto-rows: 1fr;
}
.contact-card {
    display: flex;
    gap: 18px;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 22px 24px;
}
.contact-card .cc-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    background: rgba(25, 118, 210, 0.1);
    color: var(--tech-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-card .cc-icon svg {
    width: 24px;
    height: 24px;
}
.contact-card .cc-label {
    letter-spacing: 0.15em;
    color: var(--text-soft);
    text-transform: uppercase;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}
.contact-card .cc-value {
    margin-top: 4px;
    line-height: 1.5;
    color: var(--text-soft);
}
.contact-form {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: clamp(26px, 3vw, 40px);
}
.form-row {
    margin-bottom: 18px;
}
.form-row.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.form-row label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}
.form-row input,
.form-row textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: inherit;
    background: var(--bg-light);
    transition: all 0.3s var(--ease);
}
.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--tech-blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}
.form-row textarea {
    resize: vertical;
    min-height: 120px;
}
.form-submit {
    width: 100%;
    padding: 15px;
    background: var(--tech-blue);
    color: var(--white);
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s var(--ease);
}
.form-submit:hover {
    background: #2196F3;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(25, 118, 210, 0.3);
}
.map-embed {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    margin-top: 22px;
}
.map-embed img {
    width: 100%;
    display: block;
}
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 60;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--tech-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 10px 26px rgba(25, 118, 210, 0.35);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: all 0.4s var(--ease);
}
.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.back-to-top:hover {
    background: #2196F3;
    transform: translateY(-3px);
}
.inner-cta {
    background: linear-gradient(95deg, var(--ink) 0%, var(--ink-3) 100%);
    color: var(--white);
    text-align: center;
    padding: clamp(48px, 6vw, 80px) 0;
}
.inner-cta h2 {
    font-size: clamp(24px, 2.8vw, 38px);
    font-weight: 800;
    margin-bottom: 14px;
}
.inner-cta p {
    color: var(--white-70);
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.inner-cta .btn-row {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 900px) {

    .card-grid.cols-3,
    .card-grid.cols-4 {
        grid-template-columns: 1fr 1fr;
    }

    .gallery {
        grid-template-columns: 1fr 1fr;
    }

    .gallery .g-item.tall {
        grid-row: span 1;
        aspect-ratio: 4/3;
    }
    .prod-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .split,
    .detail-hero,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .split.reverse>.split-media {
        order: 0;
    }

    .split.split-equal .split-media img {
        aspect-ratio: 4/3;
        height: auto;
    }

    .profile-scroll {
        max-height: none;
        overflow: visible;
        padding-right: 0;
        -webkit-mask-image: none;
        mask-image: none;
    }

    .nl-item {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 20px 0;
        display: block;
    }

    .nl-item .tit {
        font-size: 18px;
    }

    .nl-item .nl-thumb {
        display: block;
        width: 100%;
    }
    .nl-item .nl-body{
        margin-top: 15px;
        padding-left: 0;
        width: 100%;
    }

    .prose p:last-child {
        margin-bottom: 0;
    }

    .mini-stat .num {
        text-align: center;
    }

    .split-text h2 {
        margin-bottom: 15px;
    }
    .prod-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 20px;
    }
}

@media (max-width: 560px) {

    .card-grid.cols-3,
    .card-grid.cols-4,
    .gallery,
    .form-row.two {
        grid-template-columns: 1fr;
    }

    .page-hero {
        min-height: 38vh;
    }
}


.swiper_btns {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
}
.swiper_btns .swiper_btns_box {
    display: flex;
    align-items: center;
}
.swiper_btns .swiper-scrollbar {
    position: initial;
    width: calc(100% - 140px);
    height: 3px;
}
.swiper_btns .swiper-scrollbar-drag {
    background: #1976d2;
}
.swiper_btns .swiper-button-next {
    margin-left: 15px;
}
.swiper_btns .swiper-button-prev,
.swiper_btns .swiper-button-next {
    position: initial;
    width: 42px;
    height: 42px;
    background: #fff;
    border-radius: 50%;
    margin-top: 0;
    transition: all .4s;
}
.swiper_btns .swiper-button-prev::after,
.swiper_btns .swiper-button-next::after {
    font-size: 14px;
    color: #333;
}
.swiper_btns .swiper-button-prev:hover,
.swiper_btns .swiper-button-next:hover {
    background: #1976d2;
}
.swiper_btns .swiper-button-prev:hover::after,
.swiper_btns .swiper-button-next:hover::after {
    color: #fff;
}

@media (max-width: 1366px) {
    .patent-item .pi-img{
        height: 400px;
    }
}
@media (max-width: 1280px) {
    .patent-item .pi-img{
        height: 372px;
    }
}
@media (max-width: 1240px) {
    .patent-item .pi-img{
        padding: 15px;
    }
}
@media (max-width: 1200px) {
    .patent-item .pi-img{
        height: 350px;
    }
}
@media (max-width: 768px) {
    .breadcrumb{
        gap: 5px;
    }
    .page-hero {
        padding: 0 0 20px;
    }
    /* .has-sub{
        display: none;
    } */
    .prod-cat-group{
        margin-bottom: clamp(20px, 5vw, 60px);
    }
    .prod-cat{
        margin-bottom: clamp(20px, 5vw, 60px);
    }
    .prod-card .pc-body {
        padding: 20px 15px;
    }
    .pd-btn{
        padding: 10px 10px;
        height: 45px;
        line-height: 45px;
    }
    .detail-hero h1{
        margin-bottom: 6px;
    }
    .detail-hero .dh-desc{
        margin-bottom: 20px;
    }
    .swiper_btns .swiper-scrollbar{
        width: calc(100% - 105px);
    }
    .swiper_btns .swiper-button-prev, .swiper_btns .swiper-button-next{
        width: 36px;
        height: 36px;
    }
}