:root {
    --primary-color: #014990;
    --secondary-color: #e51836;

    --font-gesta: 'Gesta', sans-serif;
}

/* 字體 */
@font-face {
    font-family: 'Gesta';
    src: url('/static/fonts/Gesta_Regular.otf');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Gesta';
    src: url('/static/fonts/Gesta_Medium.otf');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Gesta';
    src: url('/static/fonts/Gesta_Bold.otf');
    font-weight: 600;
    font-style: normal;
}

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

body {
    font-family: var(--font-gesta);
    background-color: #ffffff;
    color: #1a1e24;
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 30px;
}

/* buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    padding: 10px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.2s;
    border: none;
    cursor: pointer;
    font-size: 16px;
    border: 1px solid var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background-color: #fff;
    color: var(--primary-color);
}

.btn-outline {
    display: inline-block;
    background: var(--secondary-color);
    color: #fff;
    font-weight: 600;
    padding: 10px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.2s;
    font-size: 16px;
    border: 1px solid var(--secondary-color);
}

.btn-outline:hover {
    transform: translateY(-2px);
    background-color: #fff;
    color: var(--secondary-color);
}

/* header */
.header {
    padding: 10px 0;
    border-bottom: 2px solid #e51836;
    background: white;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(2px);
    background: rgba(255, 255, 255, 0.96);
}


.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo a {
    width: 100%;
    display: flex;
    align-items: center;
    font-size: 26px;
    font-weight: 700;
    letter-spacing:1px;
    color: var(--primary-color);
    text-transform: uppercase;
    width: 150px;
}

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

.logo-text {
    /* color: var(--secondary-color); */
    padding: 0 5px;
}


.nav {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid #d5e2ef;
    border-radius: 10px;
    background: #ffffff;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav>a,
.nav-item>a {
    margin-left: 40px;
    text-decoration: none;
    color: #014990;
    font-weight: 500;
    font-size: 18px;
}

.nav>a:hover,
.nav-item>a:hover {
    color: #e51836;
}

.nav>a.active,
.nav-item>a.active {
    color: #e51836;
}

.nav-item {
    position: relative;
}

.nav-sub-toggle {
    display: none;
}

.nav-overlay {
    display: none;
}

.nav-item.has-dropdown>a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-item.has-dropdown>a::after {
    content: "";
    width: 5px;
    height: 5px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 0.2s ease;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 28px;
    min-width: 220px;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid #d7e3ef;
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(16, 48, 82, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.2s ease;
    z-index: 20;
}

.dropdown-menu a {
    display: block;
    margin: 0;
    padding: 9px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: #014990;
    font-size: 14.4px;
    font-weight: 500;
    transition: 0.2s;
}

.dropdown-menu a.active,.dropdown-menu a:hover {
    background: #f0f6fc;
    color: #e51836;
}

.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-item.has-dropdown:hover>a::after {
    transform: rotate(-135deg) translateY(-1px);
}


/* section通用 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.contact-form-head p {
    text-align: center;
    /* max-width: 720px; */
    margin: 0 auto 40px auto;
    color: #3a4a53;
    font-size: 17px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    margin-top: 20px;
}

.card {
    background: #ffffff;
    border-radius: 28px;
    padding: 28px 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #eef2f6;
    transition: 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #cbdde6;
}

.card-icon {
    font-size: 35.2px;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 22.4px;
    margin-bottom: 12px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    background: #f9fbfd;
    border-radius: 32px;
    padding: 32px;
}

.spec-item {
    border-left: 3px solid #2d6a4f;
    padding-left: 18px;
}

.tag {
    background: #eef2f6;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
}

.site-footer {
    background: #ffffff;
    /* border-top: 1px solid #e51836; */
    border-top: 1px solid #f3f5f8;
}

.footer-top {
    padding-top: 42px;
    padding-bottom: 34px;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 32px;
    align-items: start;
}

.footer-brand .footer-logo {
    display: inline-flex;
    width: 180px;
}

.footer-brand .footer-logo img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.footer-brand p {
    margin-top: 20px;
    font-size: 17px;
    color: #2a3d53;
}

.footer-cert-row {
    margin-top: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-pill {
    display: inline-block;
    border: 1px solid #b7cade;
    color: #014990;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 500;
    background: #ffffff;
}

/* .footer-contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(210px, 1fr));
    gap: 18px;
} */

.footer-contact-card {
    background: #ffffff;
    border: 1px solid #d8e4ef;
    border-radius: 16px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-contact-card h4 {
    color: #014990;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.footer-contact-card a {
    font-size: 16px;
    line-height: 1.5;
    color: #31475d;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    text-decoration: none;
}

.footer-contact-card a:hover{
    color: var(--secondary-color);
}

.footer-contact-card a>span:last-of-type{
    margin-left: 15px;
}

.footer-contact-card a:first-child>span:last-of-type{
    margin-left: 0;
}

.footer-brand .logo a{
    width: 210px;
}


.contact-icon {
    width: 17px;
    height: 17px;
    color: var(--primary-color);
    flex: 0 0 16px;
    margin-top: 3px;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.footer-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 25px;
}

.footer-mark-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.footer-mark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.footer-socials {
    display: flex;
    gap: 5px;
    align-items: flex-end;
}

.ce-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: #ffffff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    margin-right: 10px;
}

.ce-icon span {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ce-icon span svg{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-socials a {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #ffffff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.footer-socials a span {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-socials a span svg{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-socials a:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    /* border-top: 1px solid #f0f8ff; */
    background: #f8fafd;
}

.footer-bottom .container {
    padding-top: 14px;
    padding-bottom: 14px;
}

.footer-bottom p {
    text-align: center;
    font-size: 12px;
    font-weight: 400;
    color: #36506b;
}

hr {
    margin: 20px 0;
}






/* banner */
.banner-section {
    width: 100%;
    margin-top: 30px;
}

.banner-swiper {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
}

.banner-swiper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-pagination-bullet {
    background: #ffffff;
}

.swiper-pagination-bullet-active {
    background: #e51836;
}

/* company intro */
.company-intro {
    padding-top: 40px;
}

.company-intro-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 28px;
    align-items: start;
}

.company-intro-main {
    background: #ffffff;
    border: 1px solid #dbe6f0;
    border-radius: 18px;
    padding: 28px;
}

.company-intro-main .section-title {
    text-align: left;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 46px;
    position: relative;
    padding-left: 15px;
    font-weight: 600;
}

.company-intro-main .section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
}

.company-intro-main>p {
    border-top: 1px solid rgba(229, 24, 54, 0.1);
    padding-top: 20px;
    text-align: left;
    margin: 15px 0 30px 0;
    max-width: 100%;
    color: rgba(1, 73, 144, 0.8);
    font-size: 20px;
    font-weight: 500;
}

.company-intro-content p {
    color: #444;
    font-size: 18px;
    line-height: 1.75;
    margin-bottom: 20px;
}

.company-intro-side {
    display: grid;
    gap: 16px;
}

.company-stat-card {
    background: #f7fbff;
    border: 1px solid #d8e4f0;
    border-radius: 16px;
    padding: 20px;
}

.company-stat-card h3 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 12px;
    position: relative;
    padding-left: 10px;
}

.company-stat-card h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 44%;
    border-radius: 10px;
    background: var(--secondary-color);
}

.company-stat-card ul {
    list-style: none;
    display: grid;
    gap: 10px;
}

.company-stat-card li {
    color: #334e67;
    font-size: 16px;
}

.company-stat-card li strong {
    color: #014990;
    font-size: 22px;
    font-weight: 600;
    margin-right: 8px;
}

/* product content */
.card-surface {
    background: #ffffff;
    border: 1px solid #dce8f3;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(16, 48, 82, 0.06);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 2.2fr;
    gap: 40px;
}

.overview-grid-reverse{
    grid-template-columns: 2.2fr 1fr;
}

.overview-main {
    padding: 0;
}

.block-title {
    color: #014990;
    font-size: 46px;
    margin-bottom: 5px;
    font-weight: 600;
    position: relative;
    padding-left: 15px;
}

.block-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
}

.overview-title span {
    font-size: 20px;
    color: rgba(229, 24, 54, 0.7);
    font-weight: 400;
}

.overview-title {
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(229, 24, 54, 0.1);
    padding-bottom: 25px;
}

.content-main p {
    color: rgba(1, 73, 144, 0.8);
    font-size: 22px;
    margin-bottom: 30px;
    font-weight: 500;
}

.content-sec p {
    color: #444;
    font-size: 19px;
    margin-bottom: 20px;
    font-weight: 400;
}

.content-sec ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 30px;
    padding-left: 0px;
    border-top: 1px solid rgba(229, 24, 54, 0.1);
    padding-top: 25px;
}

.content-sec ul li {
    color: rgba(1, 73, 144, 0.8);
    font-size: 18px;
    font-weight: 400;
    position: relative;
    padding-left: 15px;
}

.content-sec ul li::before {
    content: "";
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--secondary-color);
}

.overview-side {
    padding: 30px;
    background: #f7fbff;
    width: 37%;
}

.side-panel+.side-panel {
    margin-top: 24px;
}

.side-panel h3 {
    text-transform: uppercase;
    color: var(--primary-color);
    letter-spacing: 0.04em;
    font-size: 19px;
    margin-bottom: 10px;
}

.side-panel ul {
    margin: 0;
    padding-left: 18px;
}

.side-panel li {
    margin-bottom: 7px;
    color: #2d4156;
    font-size: 16px;
    position: relative;
    padding-left: 5px;
    letter-spacing: 0.5px;
}

.side-panel li::after {
    content: "";
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 2px;
    background: #e51836;
    border-radius: 50%;
}

.product-capability {
    padding-top: 12px;
}

.capability-heading {
    margin-bottom: 50px;
}

.capability-heading .section-title {
    margin-bottom: 0px;
    font-size: 40px;
    color: var(--primary-color);
}

.capability-heading p{
    margin: 0 auto;
    max-width: 1300px;
    text-align: center;
    font-size: 18px;
    color: rgba(229, 24, 54, 0.6);
    font-weight: 400;
}

.download-header {
    margin-bottom: 50px;
}

.download-header .section-title {
    margin-bottom: 0px;
    font-size: 40px;
    color: var(--primary-color);
}

.download-header p{
    text-align: center;
    font-size: 18px;
    color: rgba(229, 24, 54, 0.6);
    font-weight: 400;
}

.technical-heading {
    margin-bottom: 30px;
}

.technical-heading .section-title {
    margin-bottom: 0px;
    font-size: 40px;
    color: var(--primary-color);
    /* text-align: left; */
    position: relative;
}
/* 
.technical-heading .section-title::before {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 5px;
    width: 50px;
    height: 3px;
    border-radius: 30px;
    background: var(--secondary-color);
} */

.technical-heading p{
    text-align: center;
    font-size: 18px;
    color: rgba(229, 24, 54, 0.6);
    font-weight: 400;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 20px;
}

.capability-grid.three{
    grid-template-columns: repeat(3, minmax(280px, 1fr));
}

.capability-card {
    background: #ffffff;
    border: 1px solid #dbe6f0;
    border-radius: 16px;
    padding: 20px;
}

.capability-card h3 {
    color: #0d4f86;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    position: relative;
    padding-left: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(229, 24, 54, 0.1);
}

.capability-card h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 41%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
}

.capability-card p {
    color: #2f4e68;
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 5px;
}

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

.overview-img img{
    border-radius: 10px;
}

.network-showcase {
    margin-bottom: 50px;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;

}

.technical-data {
    padding-top: 12px;
}

.technical-card {
    border: 1px solid #dbe6f0;
    border-radius: 18px;
    overflow: hidden;
    /* background: #f8fbff; */
}

.technical-head {
    background: #f7fbff;
    padding: 17px 17px;
    border-bottom: 1px solid #e5edf6;
}

.technical-head h2 {
    color: var(--primary-color);
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 0.01em;
    position: relative;
    padding-left: 10px;
}

.technical-head h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
}

.technical-row {
    display: grid;
    grid-template-columns: 16% 34% 16% 34%;
    gap: 0;
    align-items: stretch;
    min-height: 56px;
    border-bottom: 1px solid #e5edf6;
}

.technical-row.last-row {
    display: flex;
}

.technical-row p{
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 500;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e5edf6;
}

.technical-row:last-child {
    border-bottom: none;
}

.technical-label,
.technical-value {
    padding: 10px 16px;
    display: flex;
    align-items: center;
}

.technical-label {
    color: #0c4f8a;
    font-size: 17px;
    font-weight: 500;
    border-right: 1px solid #d5e2ef;
}

.technical-value {
    color: #243b52;
    font-size: 16px;
    line-height: 1.5;
}

.technical-row .technical-label:nth-child(3),
.technical-row .technical-value:nth-child(4) {
    border-left: 1px solid #d5e2ef;
    border-right: none;
}

.download-section {
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
}

.download-card {
    border: 1px solid #d8e4f0;
    border-radius: 10px;
    background: #ffffff;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(15, 49, 84, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(15, 49, 84, 0.12);
}

.download-cover {
    overflow: hidden;
    border-bottom: 1px solid #e6eef6;
    padding: 15px;
}

.download-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.download-body {
    padding: 24px;
    flex: 1;
}

.download-body h3 {
    color: #014990;
    font-size: 24px;
    margin-bottom: 10px;
}

.download-body p {
    color: #3a4a53;
    font-size: 16px;
    min-height: 48px;
    margin-bottom: 20px;
}

.download-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.download-actions .btn-primary,
.download-actions .btn-outline {
    min-width: 118px;
    text-align: center;
}


@media (max-width: 980px) {

    .overview-grid,
    .capability-grid,
    .network-showcase {
        grid-template-columns: 1fr;
    }

    .capability-grid.three{
        grid-template-columns: 1fr;
    }


    .block-title {
        font-size: 25.6px;
    }

    .technical-row {
        grid-template-columns: 20% 30% 20% 30%;
        min-height: 52px;
    }

    .technical-label {
        font-size: 14.4px;
    }

    .technical-value {
        font-size: 14.08px;
    }

    .download-grid {
        gap: 20px;
    }

}

@media (max-width: 767px) {
    .download-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .download-body {
        padding: 15px;
    }

    .download-body h3 {
        font-size: 16px;
    }

    .download-actions {
        gap: 5px;
    }

    .download-actions .btn-primary,
    .download-actions .btn-outline {
        flex: 1 1 calc(50% - 6px);
        min-width: 0;
        font-size: 14px;
        padding: 5px 0;
        border-radius: 5px;
    }

    .technical-head {
        padding: 14px 16px;
    }

    .technical-head h2 {
        font-size: 22.4px;
    }

    .technical-row {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 0;
    }

    .technical-label,
    .technical-value {
        padding: 8px 14px;
    }

    .technical-label {
        font-size: 16px;
        background: #f2f7fc;
        border-top: 1px solid #e5edf6;
    }

    .technical-value {
        font-size: 15.2px;
    }

    .technical-row .technical-label:nth-child(3),
    .technical-row .technical-value:nth-child(4) {
        border-left: none;
    }
}

.question-card {
    background: #f7fbff;
    border-radius: 0px;
    padding: 55px 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.question-card h3 {
    font-size: 30px;
    text-transform: uppercase;
    color: var(--primary-color);
}

.question-card p {
    margin: 16px auto 32px;
    max-width: 900px;
    font-size: 18px;
    line-height: 1.5;
    color: #243b52;
    font-weight: 400;
}

.email-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.email-wrapper input {
    padding: 14px 20px;
    border-radius: 10px;
    border: 1px solid #ccc;
    width: 280px;
}


.cert-list{
    margin-top: 24px;
}

.cert-list ul{
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.cert-list ul li{
    font-size: 15px;
    position: relative;
    padding-left: 15px;
    padding-right: 15px;
}

.cert-list ul li::before{
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--secondary-color);
}


.scroll-to-top{
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ffffff;
    color: #ffffff;
    text-decoration: none;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 10px 0 rgba(68, 126, 180, 0.1);
    transition: 0.2s;
    opacity: 0;
    visibility: hidden;
    z-index: 99;
}

.scroll-to-top span{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top span svg{
    width: 28px;
    height: 28px;
    object-fit: cover;
}

.scroll-to-top.show{
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover{
    background: var(--primary-color);
    color: #ffffff;
}

.scroll-to-top:hover svg path{
    fill: #ffffff;
}

@media (max-width: 780px) {
    .hero-content h1 {
        font-size: 35px;
    }

    .section-title {
        font-size: 28px;
    }

    .nav>a,
    .nav-item>a {
        margin-left: 18px;
        font-size: 14px;
    }

    .dropdown-menu {
        left: 18px;
        min-width: 210px;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-side {
        align-items: flex-start;
    }

    .footer-contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    body.nav-open {
        overflow: hidden;
    }

    .container {
        padding: 0 16px;
    }

    .header {
        padding: 8px 0;
    }

    .header-inner {
        position: relative;
        flex-wrap: nowrap;
    }

    .logo {
        width: 160px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        max-height: calc(100vh - 64px);
        background: #ffffff;
        border-top: 1px solid #dbe6f0;
        box-shadow: 0 14px 35px rgba(16, 48, 82, 0.12);
        padding: 0px 16px 0px;
        overflow-y: auto;
        display: none;
        flex-direction: column;
        align-items: stretch;
        z-index: 120;
    }

    .nav-overlay {
        display: block;
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        height: calc(100vh - 64px);
        background: rgba(10, 28, 46, 0.2);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.2s ease, visibility 0.2s ease;
        z-index: 1;
        pointer-events: none;
    }

    body.nav-open .nav-overlay {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav.is-open {
        display: flex;
    }

    .nav>a,
    .nav-item>a {
        margin-left: 0;
        font-size: 16px;
        padding: 12px 2px;
        border-bottom: 1px solid #eef3f8;
    }

    .nav-item.has-dropdown {
        width: 100%;
    }

    .nav-item.has-dropdown>a {
        width: calc(100% - 34px);
    }

    .nav-item.has-dropdown>a::after {
        display: none;
    }

    .nav-sub-toggle {
        display: inline-flex;
        width: 34px;
        height: 34px;
        position: absolute;
        right: 0;
        top: 6px;
        border: none;
        background: transparent;
        cursor: pointer;
        align-items: center;
        justify-content: center;
    }

    .nav-sub-toggle::before {
        content: "";
        width: 8px;
        height: 8px;
        border-right: 2px solid #587896;
        border-bottom: 2px solid #587896;
        transform: rotate(45deg);
        transition: transform 0.2s ease;
    }

    .nav-item.is-open .nav-sub-toggle::before {
        transform: rotate(-135deg);
        margin-top: 5px;
    }

    .dropdown-menu {
        position: static;
        min-width: 100%;
        margin: 0 0 8px;
        border-radius: 10px;
        padding: 6px;
        box-shadow: none;
        border: 1px solid #dbe6f0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-item.is-open .dropdown-menu {
        display: block;
    }

    .section {
        padding: 20px 0;
    }

    .banner-section {
        margin-top: 20px;
    }

    .banner-swiper {
        border-radius: 10px;
    }

    .overview-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .overview-main {
        order: 1;
    }

    .overview-title{
        margin-bottom: 10px;
        padding-bottom: 10px;
    }

    .content-sec ul{
        margin-top: 15px;
        padding-top: 15px;
        gap: 6px;
    }

    .overview-img {
        order: 2;
    }

    .overview-img img {
        width: 100%;
    }

    .block-title {
        font-size: 34px;
        line-height: 1.25;
    }

    .overview-title span {
        font-size: 16px;
    }

    .content-main p {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .content-sec p,
    .content-sec ul li {
        font-size: 16px;
    }

    .company-intro-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .company-intro-main {
        padding: 20px;
    }

    .company-intro-main .section-title {
        font-size: 28px;
    }

    .company-intro-main>p {
        margin-bottom: 14px;
    }

    .company-intro-content p {
        font-size: 16px;
    }

    .company-stat-card h3 {
        font-size: 20px;
    }

    .network-showcase {
        margin-bottom: 30px;
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }

    .overview-side {
        width: 100%;
        padding: 18px;
    }

    .network-showcase > img {
        width: 100%;
        max-width: 100%;
        object-fit: contain;
    }

    .capability-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .capability-heading {
        margin-bottom: 20px;
    }

    .capability-heading .section-title {
        font-size: 26px;
        margin-bottom: 8px;
    }

    .capability-heading p {
        font-size: 14px;
    }

    .download-header {
        margin-bottom: 20px;
    }

    .download-header .section-title {
        font-size: 26px;
        margin-bottom: 8px;
    }

    .download-header p {
        font-size: 14px;
    }

    .technical-heading{
        margin-bottom: 20px;
    }

    .technical-heading .section-title {
        font-size: 26px;
        margin-bottom: 8px;
    }

    .technical-heading p {
        font-size: 14px;
    }

    .capability-card {
        padding: 16px;
    }

    .capability-card h3 {
        font-size: 20px;
    }

    .capability-card p {
        font-size: 15px;
    }

    .technical-head h2 {
        font-size: 24px;
    }

    .technical-row {
        grid-template-columns: 1fr;
    }

    .technical-label,
    .technical-value {
        border: none;
    }

    .technical-label {
        font-size: 15px;
        padding: 8px 12px;
        background: #f3f7fc;
        border-top: 1px solid #e5edf6;
    }

    .technical-value {
        font-size: 14px;
        padding: 8px 12px;
    }

    .technical-row .technical-label:nth-child(3),
    .technical-row .technical-value:nth-child(4) {
        border-left: none;
    }

    .question-card {
        padding: 38px 16px;
    }

    .question-card h3 {
        font-size: 24px;
    }

    .question-card p {
        font-size: 15px;
        margin: 10px auto 24px;
    }

    .email-wrapper {
        width: 100%;
        gap: 10px;
    }

    .email-wrapper input,
    .email-wrapper .btn-primary {
        width: 100%;
    }

    /* .cert-list ul {
        flex-direction: column;
        align-items: flex-start;
    } */

    .cert-list ul li {
        padding-left: 12px;
        padding-right: 0;
        font-size: 14px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 20px;
        padding-top: 28px;
        padding-bottom: 20px;
    }

    .footer-contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-side {
        align-items: flex-end;
        flex-direction: row;
        gap: 20px;
    }

    .footer-mark{
        width: 60px;
        height: 60px;
    }

    .ce-icon{
        width: 35px;
        height: 35px;
    }

    .footer-socials a{
        width: 25px;
        height: 25px;
    }

    .product-capability{
        padding-top: 20px
    }

    .footer-bottom p{
        text-align: left;
    }
}

@media (max-width: 767px) {
    /* .logo {
        width: 132px;
    } */

    .nav {
        top: 72px;
        max-height: calc(100vh - 72px);
    }

    .nav-overlay {
        top: 59px;
        height: calc(100vh - 59px);
    }

    .block-title {
        font-size: 28px;
    }

    .company-intro-content p{
        margin-bottom: 0;
    }

    .content-main p {
        font-size: 17px;
    }

    .capability-heading .section-title {
        font-size: 22px;
    }

    .technical-heading .section-title{
        font-size: 22px;
    }

    .download-header .section-title {
        font-size: 22px;
    }

    .content-sec p,
    .content-sec ul li,
    .side-panel li {
        font-size: 14px;
    }

    .side-panel h3 {
        font-size: 16px;
    }

    .technical-head {
        padding: 14px 12px;
    }

    .technical-head h2 {
        font-size: 20px;
    }

    .scroll-to-top {
        width: 42px;
        height: 42px;
        right: 12px;
        bottom: 12px;
    }

    .download-cover{
        padding: 8px;
    }

    .company-intro {
        /* padding-top: 8px; */
        padding-top: 20px;
        padding-bottom: 40px;
    }

    .company-intro-main {
        padding: 16px;
    }

    .company-intro-main .section-title {
        font-size: 28px;
    }
    .company-intro-main>p{
        font-size: 17px;
    }

    .company-stat-card {
        padding: 16px;
    }

    .company-stat-card h3 {
        font-size: 18px;
    }

    .company-stat-card li,
    .company-intro-content p {
        font-size: 14px;
    }

}



/* 產品圖片 */
.product-img-section {
    padding: 60px 0 60px;
    background: linear-gradient(180deg, #f7fafc 0%, #f7fafc 100%);
}

.product-img-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 30px;
}

.product-title {
    text-align: center;
    margin-bottom: 8px;
}

.product-title h2 {
    display: inline-block;
    font-size: 46px;
    font-weight: 600;
    color: var(--primary-color);
    position: relative;
    padding-left: 0px;
}

.product-title h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
    display: none;
}

.product-img-wrapper {
    position: relative;
    margin-top: 36px;
}

.product-swiper {
    position: relative;
    overflow: hidden;
}
.product-swiper .swiper-wrapper{
    padding-bottom: 40px;
}


.product-swiper .swiper-slide {
    height: auto;
}

.product-slide-card {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    background: #ffffff;
    border: 1px solid #e8eef3;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.product-slide-card:hover {
    transform: translateY(-4px);
    border-color: #cbdde6;
    box-shadow: 0 12px 28px rgba(1, 73, 144, 0.1);
}

.product-slide-media {
    display: flex;
    align-items: center;
    justify-content: center;
    /* min-height: 220px; */
    padding: 20px 16px 12px;
    background: #fff;
    border-bottom: 1px solid #eef2f6;

    aspect-ratio: 3/3;
    max-height: 300px;
}

.product-slide-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-slide-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 18px 20px 22px;
}

.product-slide-tag {
    display: inline-block;
    align-self: flex-start;
    padding: 4px 12px;
    margin-bottom: 10px;
    border-radius: 999px;
    background: rgba(1, 73, 144, 0.08);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.product-slide-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1.35;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.product-slide-card:hover .product-slide-name {
    color: var(--secondary-color);
}

.product-slide-body p {
    flex: 1;
    font-size: 14px;
    line-height: 1.55;
    color: #5a6d7d;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-slide-more {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 400;
    color: var(--secondary-color);
    transition: all 0.3s ease-in-out;
}

.product-slide-card:hover .product-slide-more {
    transform: translateX(4px);
    font-weight: 500;
}

.product-swiper-prev,
.product-swiper-next {
    position: absolute;
    top: 40%;
    z-index: 2;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #dbe6f0;
    border-radius: 50%;
    background: #ffffff;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.4s ease-in-out;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    
}

.product-swiper-prev svg,
.product-swiper-next svg{
    width: 25px;
    height: 25px;
    object-fit: cover;
}

.product-swiper-prev {
    left: 30px;
    transform: translateX(-200%);
}

.product-swiper-next {
    right: 30px;
    transform: translateX(200%);
}

.product-swiper:hover .product-swiper-prev{
    transform: translateX(0);
}

.product-swiper:hover .product-swiper-next{
    transform: translateX(0);
}

.product-swiper-prev:hover,
.product-swiper-next:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.product-swiper-prev.swiper-button-disabled,
.product-swiper-next.swiper-button-disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.product-swiper-pagination{
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
}

.product-swiper-pagination .swiper-pagination-bullet{
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e1e1e1;
    opacity: 1;
    transition: all 0.4s ease-in-out;
}

.product-swiper-pagination .swiper-pagination-bullet-active{
    background: var(--primary-color);
    transform: scale(1.2);
    transition: all 0.4s ease-in-out;
    opacity: 1;
}

@media (max-width: 992px) {
    .product-img-container {
        padding: 0 16px;
    }

    .product-swiper {
        padding: 4px 44px;
    }

    .product-title h2 {
        font-size: 32px;
    }
}

@media (max-width: 767px) {
    .product-img-section {
        padding: 30px 0 30px;
    }
    .company-info-section{
        padding: 30px 0;
    }

    .product-img-wrapper {
        margin-top: 24px;
    }

    .product-swiper {
        padding: 4px 40px;
    }

    .product-swiper-prev,
    .product-swiper-next {
        width: 36px;
        height: 36px;
    }

    .product-title h2 {
        font-size: 28px;
    }

    .product-slide-media {
        min-height: 180px;
        padding: 14px 12px 10px;
    }

    .product-slide-media img {
        max-height: 160px;
    }

    .product-slide-body {
        padding: 14px 16px 18px;
    }

    .product-slide-name {
        font-size: 16px;
    }

    .product-slide-body p {
        font-size: 13px;
    }
}

/* 公司信息 */
.company-info-section {
    background: #ffffff;
}

.company-info-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 28px;
    align-items: stretch;
}

.company-info-photo {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid #dbe6f0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    min-height: 360px;
}

.company-info-photo img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 360px;
    object-fit: cover;
}

.company-info-panel {
    background: #ffffff;
    border: 1px solid #dbe6f0;
    border-radius: 18px;
    padding: 28px 30px;
    position: relative;
}

.company-info-panel::after{
    width: 80px;
    height: 80px;
    background-image: url('/static/images/logo-fav.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 1;
    content: '';
    opacity: 0.15;
}

.company-info-title {
    text-align: left;
    font-size: 46px;
    color: var(--primary-color);
    margin-bottom: 12px;
    position: relative;
    padding-left: 15px;
    font-weight: 600;
}

.company-info-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
}

.company-info-panel>p {
    color: #3a4a53;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(229, 24, 54, 0.1);
}

.company-info-panel ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.company-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.company-info-item .contact-icon{
    width: 27px;
    height: 27px;
}

.company-info-item strong {
    display: block;
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
}

.company-info-item p {
    color: #31475d;
    font-size: 18px;
    line-height: 1.55;
    margin: 0;
    letter-spacing: 0.04em;
}

.company-info-item a {
    color: #31475d;
    text-decoration: none;
    transition: color 0.2s;
    margin-right: 20px;
}

.company-info-item a:hover {
    color: var(--secondary-color);
}

/* 聯絡表格 */
.contact-form-section {
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    padding-top: 40px;
}

.contact-form-wrap {
    max-width: 960px;
    margin: 0 auto;
}

.contact-form-head {
    text-align: center;
    margin-bottom: 32px;
}

.contact-form-title {
    font-size: 46px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-left: 0px;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-form-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 40%;
    border-radius: 10px;
    background: var(--secondary-color);
    display: none;
}

.contact-form-card {
    background: #ffffff;
    border: 1px solid #dbe6f0;
    border-radius: 18px;
    padding: 32px 36px 28px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
}

.contact-layui-form .layui-form-item{
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-layui-form .layui-form-label {
    width: auto;
    padding: 0;
    font-weight: 500;
    color: var(--primary-color);
    min-width: 80px;
    flex-shrink: 0;
    font-size: 16px;
}

.contact-layui-form .layui-form-label em {
    color: var(--secondary-color);
    font-style: normal;
    margin-left: 2px;
}

.contact-layui-form .layui-input-block {
    margin-left: 0px;
    width: 100%;
}

.contact-layui-form .layui-input,
.contact-layui-form .layui-textarea,
.contact-layui-form select {
    border-radius: 5px;
    border-color: #dbe6f0;
    font-size: 15px;
    padding-left: 15px;
}


.layui-form-select dl dd.layui-this{
    color: var(--primary-color);
}
.contact-layui-form .layui-input:focus,
.contact-layui-form .layui-textarea:focus {
    border-color: var(--primary-color) !important;
}

.contact-layui-form .layui-textarea {
    min-height: 140px;
    resize: vertical;
    padding: 15px;
}

.contact-form-actions {
    margin-top: 8px;
    margin-bottom: 0;
}

.contact-form-actions .layui-input-block {
    margin-left: 93px;
}

.layui-form-item:after{
    display: none;
}

.contact-form-actions .layui-btn {
    height: auto;
    line-height: 1.4;
    padding: 10px 32px;
    font-size: 16px;
    border-radius: 8px;
}

@media (max-width: 992px) {
    .company-info-grid {
        grid-template-columns: 1fr;
    }

    .company-info-photo {
        min-height: 280px;
    }

    .company-info-photo img {
        min-height: 280px;
    }

    .company-info-title {
        font-size: 30px;
    }

    .contact-form-title {
        font-size: 30px;
    }

    .contact-form-card {
        padding: 24px 20px 20px;
    }
}

@media (max-width: 767px) {
    .contact-layui-form .layui-form-item{
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        margin-bottom: 0;
    }
    .contact-layui-form .layui-form-label {
        text-align: left;
        padding: 0 0 6px;
    }
    .contact-form-actions{
        margin-top: 20px;
    }

    .contact-layui-form .layui-input-block,
    .contact-form-actions .layui-input-block {
        margin-left: 0;
    }

    .company-info-panel {
        padding: 22px 18px;
    }

    .company-info-title,
    .contact-form-title {
        font-size: 26px;
    }

    .logo a{
        width: 126px;
    }

    .company-info-panel::after{
        bottom: 13px;
        right: 13px;
        width: 30px;
        height: 30px;
        display: none;
    }
    .contact-form-section{
        padding: 26px 0 40px 0;
    }

    .footer-brand{
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        justify-content: center;
    }
    .footer-brand .logo a{
        width: 160px;
    }

    .footer-contact-card{
        text-align: center;
        justify-content: center;
        align-items: center;
    }

    .footer-brand p{
        margin-top: 15px;
    }
}