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

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
}

.main-nav {
    margin-left: auto;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-block;
    padding: 0.8rem 0.9rem;
    color: #1a1f2f;
    text-decoration: none;
    font-size: 0.98rem;
    font-weight: 600;
    transition: color 0.2s ease;
}

.nav-link::after {
    content: "";
    display: block;
    width: 0;
    height: 2px;
    background-color: #0f6ab4;
    transition: width 0.25s ease;
    margin-top: 0.2rem;
}

.nav-item:hover > .nav-link,
.nav-item:focus-within > .nav-link {
    color: #0f6ab4;
}

.nav-item:hover > .nav-link::after,
.nav-item:focus-within > .nav-link::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: #0f6ab4;
}

.dropdown-menu {
    list-style: none;
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    min-width: 170px;
    background-color: #fff;
    border: 1px solid #e6eaf0;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(16, 32, 55, 0.12);
    padding: 0.35rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 100;
}

.dropdown-menu li a {
    display: block;
    padding: 0.55rem 1rem;
    color: #2d3445;
    text-decoration: none;
    font-size: 0.92rem;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-menu li a:hover,
.dropdown-menu li a:focus {
    background-color: #eef5fc;
    color: #0f6ab4;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.logo {
    max-height: 70px;
    max-width: 220px;
    object-fit: contain;
    /* 确保logo不会失真，并保持原始比例 */
}

/* 临时logo样式 */
.temp-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    padding: 0.5rem 0;
    letter-spacing: 1px;
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.construction-message {
    text-align: center;
    max-width: 800px;
    padding: 3rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.construction-message h1 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
}

.construction-message p {
    color: #555;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 0.65rem 5%;
    text-align: center;
    margin-top: auto;
}

.footer-content p {
    margin: 0.16rem 0;
    font-size: 0.9rem;
}

.support-page {
    background-color: #f4f6fa;
}

.company-page {
    background-color: #f4f6fa;
}

.contact-page {
    background-color: #f4f6fa;
}

.product-page {
    background-color: #f4f6fa;
}

.home-page {
    background-color: #f4f6fa;
}

.support-page main {
    display: block;
    padding: 0;
}

.company-page main {
    display: block;
    padding: 0;
}

.contact-page main {
    display: block;
    padding: 0;
}

.product-page main {
    display: block;
    padding: 0;
}

.product-breadcrumb-strip {
    background-color: #ca1814;
}

.product-breadcrumb-wrap {
    width: min(1260px, 92%);
    margin: 0 auto;
    min-height: 40px;
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.product-hero-band {
    background-color: #e11f1b;
    color: #fff;
}

.product-hero-band-inner {
    width: min(1260px, 92%);
    margin: 0 auto;
    padding: 2.9rem 0 2.5rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2.2rem;
}

.product-hero-left p {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 2.4rem;
    font-weight: 500;
}

.product-hero-left h1 {
    font-size: 4rem;
    line-height: 1;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.product-hero-right {
    max-width: 560px;
    font-size: 0.82rem;
    line-height: 1.7;
    color: #fff2f2;
    padding-bottom: 0.3rem;
}

.product-detail-section {
    width: min(1120px, 92%);
    margin: 3.4rem auto 3rem;
    text-align: left;
}

.product-detail-title {
    color: #333740;
    font-size: 3.35rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.product-detail-title strong {
    font-weight: 800;
}

.product-detail-desc {
    max-width: 860px;
    margin: 1.45rem 0 0;
    color: #5c6778;
    font-size: 1.06rem;
    line-height: 1.8;
}

.product-visual-wrap {
    margin-top: 2.2rem;
    display: flex;
    justify-content: center;
}

.product-visual-image {
    width: min(920px, 100%);
    height: auto;
    display: block;
}

.product-feature-list {
    margin: 1.2rem 0 0;
    padding-left: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    list-style: disc;
}

.product-feature-list li {
    color: #465266;
    font-size: 0.95rem;
    line-height: 1.65;
    padding: 0;
}

.home-page main {
    display: block;
    padding: 0;
}

.home-hero {
    position: relative;
    width: 100%;
    min-height: 620px;
    overflow: hidden;
    background-color: transparent;
    margin: 0;
}

.home-hero-video {
    width: 100%;
    height: 100%;
    min-height: 620px;
    object-fit: cover;
    object-position: center;
    clip-path: inset(14% 0 0 0);
    margin-top: -8%;
    display: block;
}

.home-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(9, 15, 28, 0.48);
}

.home-hero-content {
    position: absolute;
    left: 50%;
    top: 48%;
    transform: translate(-50%, -50%);
    width: min(1100px, 92%);
    color: #fff;
}

.home-hero-kicker {
    display: inline-block;
    font-size: 1.85rem;
    line-height: 1.1;
    padding: 0;
    background: transparent;
    margin-bottom: 1rem;
}

.home-hero-content h1 {
    font-size: 3.6rem;
    line-height: 1.08;
    font-weight: 800;
    max-width: none;
    white-space: nowrap;
    margin-bottom: 1.6rem;
}

.home-hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    padding: 0.9rem 1.6rem;
    border: 2px solid rgba(255, 255, 255, 0.85);
    color: #fff;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: rgba(0, 0, 0, 0.24);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.home-hero-button:hover,
.home-hero-button:focus {
    background: rgba(255, 255, 255, 0.16);
    border-color: #fff;
}

.contact-hero {
    position: relative;
    width: 100%;
    min-height: 320px;
    overflow: hidden;
    background-color: #1f293f;
}

.contact-hero-image {
    width: 100%;
    min-height: 320px;
    object-fit: cover;
    display: block;
    filter: brightness(0.66);
}

.contact-hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.8rem;
    width: min(1180px, 92%);
    margin: 0 auto;
    color: #fff;
}

.contact-hero-overlay h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.contact-hero-overlay p {
    max-width: 800px;
    font-size: 1.05rem;
    line-height: 1.72;
    color: #edf4ff;
}

.contact-main-section {
    width: min(1180px, 92%);
    margin: 2.2rem auto 0;
}

.contact-main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.3rem;
}

.contact-info-card,
.contact-form-card {
    background-color: #fff;
    border: 1px solid #d9e1ec;
    border-radius: 8px;
    padding: 1.35rem;
}

.contact-info-card h2,
.contact-form-card h2 {
    color: #203655;
    font-size: 1.25rem;
    margin-bottom: 0.9rem;
}

.contact-info-card p {
    color: #4a5f7a;
    margin-bottom: 0.65rem;
    line-height: 1.7;
}

.contact-info-card a {
    color: #0c5fa3;
    text-decoration: none;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.7rem;
}

.inquiry-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 400;
    color: #2f3339;
    margin-bottom: 1rem;
}

.inquiry-title strong {
    font-weight: 800;
}

.inquiry-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 0.75rem;
}

.contact-form label {
    color: #304864;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: none;
    border-bottom: 1px solid #aeb5bf;
    border-radius: 0;
    background-color: #e8e8ea;
    padding: 0.82rem 0.8rem;
    font-size: 0.95rem;
    color: #2f3f58;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-bottom-color: #6f7a88;
    box-shadow: none;
}

.contact-form textarea {
    margin-top: 0.05rem;
    min-height: 110px;
    resize: vertical;
}

.verification-row {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    background-color: #e8e8ea;
    border-bottom: 1px solid #aeb5bf;
    padding: 0.72rem 0.8rem;
}

.verification-label {
    color: #2f3f58;
    font-size: 0.95rem;
    white-space: nowrap;
}

.verification-row input {
    border: none;
    border-bottom: 1px solid #9aa3af;
    background-color: transparent;
    padding: 0.2rem 0.3rem;
    min-width: 140px;
}

.captcha-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 86px;
    height: 34px;
    background: repeating-linear-gradient(45deg, #ced8cc 0, #ced8cc 4px, #e5ece2 4px, #e5ece2 8px);
    color: #495034;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.validation-error {
    color: #c0392b;
    font-size: 0.83rem;
    margin-top: -0.2rem;
    margin-bottom: 0.1rem;
}

.input-invalid {
    border-bottom-color: #c0392b !important;
    background-color: #f6e5e4 !important;
}

.send-button {
    margin-top: 0.55rem;
    width: 100%;
    border: none;
    border-radius: 0;
    background-color: #e11f1b;
    color: #fff;
    font-size: 0.96rem;
    letter-spacing: 0.06em;
    font-weight: 500;
    padding: 0.9rem 1.1rem;
    cursor: pointer;
}

.send-button:hover,
.send-button:focus {
    background-color: #c91c18;
}

.send-success {
    margin-top: 0.5rem;
    color: #227a42;
    font-size: 0.9rem;
    font-weight: 600;
}

.company-hero {
    position: relative;
    width: 100%;
    min-height: 320px;
    overflow: hidden;
    background-color: #1f293f;
}

.company-hero-image {
    width: 100%;
    min-height: 320px;
    object-fit: cover;
    display: block;
    filter: brightness(0.68);
}

.company-hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.8rem;
    width: min(1180px, 92%);
    margin: 0 auto;
    color: #fff;
}

.company-hero-overlay h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.company-hero-overlay p {
    max-width: 960px;
    font-size: 1.08rem;
    line-height: 1.75;
    color: #edf4ff;
}

.company-profile-section {
    width: min(1180px, 92%);
    margin: 2.4rem auto;
    padding-bottom: 1.2rem;
}

.company-profile-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 3rem;
    row-gap: 2.2rem;
    margin-top: 1.3rem;
}

.company-profile-item {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 1.2rem;
    align-items: start;
    background-color: transparent;
    border: none;
    padding: 0;
}

.company-profile-number {
    width: 88px;
    height: 88px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ea6f66;
    color: #e4534a;
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    line-height: 1;
    margin: 0;
}

.company-profile-item h3 {
    color: #2f3339;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
}

.company-profile-desc {
    color: #4b4f56;
    font-size: 0.95rem;
    line-height: 1.7;
}

.support-hero {
    position: relative;
    width: 100%;
    min-height: 320px;
    overflow: hidden;
    background-color: #1f293f;
}

.support-hero-image {
    width: 100%;
    min-height: 320px;
    object-fit: cover;
    display: block;
    filter: brightness(0.68);
}

.support-hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.8rem;
    width: min(1180px, 92%);
    margin: 0 auto;
    color: #fff;
}

.support-hero-kicker {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #a9d3ff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.support-hero-overlay h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-shadow: none;
}

.support-hero-overlay h1::after {
    content: none;
}

.support-hero-overlay p {
    max-width: 960px;
    font-size: 1.08rem;
    line-height: 1.75;
    color: #edf4ff;
}

.support-section {
    width: min(1050px, 92%);
    margin: 2.2rem auto;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(15, 38, 66, 0.08);
    padding: 2rem;
}

.support-section h2 {
    color: #1d2e47;
    margin-bottom: 1.1rem;
    font-size: 1.55rem;
}

.section-title-strong {
    position: relative;
    display: inline-block;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #1d3558;
    margin-bottom: 0.3rem;
    padding-bottom: 0.55rem;
}

.section-title-strong::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 120px;
    height: 4px;
    background-color: #0f6ab4;
}

.section-title-sub {
    color: #5f728e;
    font-size: 0.88rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.kesu-style-section {
    width: min(1250px, 92%);
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 1.2rem 0 1rem;
}

.section-lead {
    color: #495d78;
    margin-bottom: 1.4rem;
    max-width: 920px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.faq-item {
    border-bottom: 1px solid #e2e7ee;
    padding: 1.35rem 0.1rem;
    background-color: transparent;
}

.faq-item h3 {
    font-size: 1.2rem;
    color: #2f3f58;
    margin-bottom: 0.68rem;
    font-weight: 600;
    line-height: 1.45;
}

.faq-item p {
    color: #64748b;
    line-height: 1.85;
}

.view-more-link {
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: #1d3558;
    text-decoration: none;
}

.view-more-link:hover,
.view-more-link:focus {
    color: #0f6ab4;
}

.download-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
}

.download-item {
    background-color: #fff;
    border: 1px solid #d6dde8;
    padding: 0.9rem;
}

.download-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #e2e8f0, #f3f7fb);
    margin-bottom: 0.75rem;
}

.download-item h3 {
    font-size: 1rem;
    color: #223857;
    margin-bottom: 0.45rem;
}

.download-item a {
    font-size: 0.9rem;
    color: #0f6ab4;
    text-decoration: none;
    font-weight: 600;
}

.download-item a[aria-disabled="true"] {
    pointer-events: none;
    color: #6e819d;
}

.support-links-panel {
    background-color: #e3e4e6;
    margin-top: 0;
    padding: 2.1rem 0 2rem;
}

.support-links-wrap {
    width: min(1250px, 92%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.55rem;
}

.links-column h3 {
    color: #1f2b3d;
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin-bottom: 0.65rem;
}

.links-column ul {
    list-style: none;
    border-top: 1px solid #c7ccd3;
    padding-top: 0.72rem;
}

.links-column li {
    margin-bottom: 0.62rem;
    color: #2d3d56;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.45;
}

.links-column a {
    color: #2d3d56;
    text-decoration: none;
}

.links-column a:hover,
.links-column a:focus {
    color: #0c5fa3;
}

.contact-column li {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header {
        flex-wrap: wrap;
        gap: 0.6rem 0;
    }

    .main-nav {
        width: 100%;
        margin-left: 0;
    }

    .nav-list {
        flex-wrap: wrap;
        gap: 0.2rem;
        justify-content: flex-start;
    }

    .nav-link {
        padding: 0.55rem 0.6rem;
        font-size: 0.92rem;
    }

    .dropdown-menu {
        min-width: 150px;
    }

    .logo {
        max-height: 50px;
        max-width: 160px;
    }
    
    .temp-logo {
        font-size: 1.2rem;
    }
    
    .construction-message {
        padding: 2rem 1rem;
    }
    
    .construction-message h1 {
        font-size: 1.8rem;
    }

    .support-hero,
    .support-hero-image {
        min-height: 250px;
    }

    .home-hero,
    .home-hero-video {
        min-height: 480px;
    }

    .home-hero-kicker {
        font-size: 1.55rem;
    }

    .home-hero-content h1 {
        font-size: 2.75rem;
        white-space: nowrap;
    }

    .company-hero,
    .company-hero-image {
        min-height: 250px;
    }

    .contact-hero,
    .contact-hero-image {
        min-height: 250px;
    }

    .company-hero-overlay h1 {
        font-size: 2.3rem;
    }

    .company-hero-overlay p {
        font-size: 1rem;
    }

    .contact-hero-overlay h1 {
        font-size: 2.3rem;
    }

    .contact-hero-overlay p {
        font-size: 1rem;
    }

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

    .product-breadcrumb-wrap {
        min-height: 36px;
        font-size: 0.84rem;
    }

    .product-hero-band-inner {
        padding: 2rem 0 1.85rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.65rem;
    }

    .product-hero-left p {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }

    .product-hero-left h1 {
        font-size: 3rem;
    }

    .product-hero-right {
        font-size: 0.95rem;
        line-height: 1.65;
        padding-bottom: 0;
    }

    .product-detail-section {
        margin: 2.2rem auto;
    }

    .product-detail-title {
        font-size: 2.3rem;
    }

    .product-detail-desc {
        font-size: 0.98rem;
    }

    .product-feature-list {
        grid-template-columns: 1fr;
    }

    .inquiry-title {
        font-size: 2.35rem;
    }

    .company-profile-list {
        grid-template-columns: 1fr;
    }

    .support-hero-overlay h1 {
        font-size: 2.3rem;
    }

    .support-hero-kicker {
        font-size: 1.05rem;
    }

    .support-hero-overlay p {
        font-size: 1rem;
    }

    .support-section {
        padding: 1.4rem;
    }

    .kesu-style-section {
        padding: 1rem 0 0.8rem;
    }

    .faq-item h3 {
        font-size: 1.06rem;
    }

    .faq-item p {
        line-height: 1.75;
    }

    .section-title-strong {
        font-size: 1.2rem;
    }

    .download-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .support-links-wrap {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.2rem;
    }

    .links-column h3 {
        font-size: 0.98rem;
    }

    .links-column li {
        font-size: 0.88rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.8rem 3%;
    }

    .nav-list {
        gap: 0;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        padding: 0.55rem 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0.4rem 0.6rem;
        display: none;
    }

    .has-dropdown:hover .dropdown-menu,
    .has-dropdown:focus-within .dropdown-menu {
        display: block;
    }

    .dropdown-menu li a {
        padding: 0.35rem 0;
    }
    
    .logo {
        max-height: 40px;
        max-width: 140px;
    }
    
    .temp-logo {
        font-size: 1rem;
    }
    
    .construction-message h1 {
        font-size: 1.5rem;
    }
    
    .construction-message p {
        font-size: 1rem;
    }

    .support-hero,
    .support-hero-image {
        min-height: 220px;
    }

    .home-hero,
    .home-hero-video {
        min-height: 390px;
    }

    .home-hero-content {
        top: 47%;
    }

    .home-hero-kicker {
        font-size: 1.05rem;
        margin-bottom: 0.7rem;
    }

    .home-hero-content h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
        white-space: normal;
    }

    .home-hero-button {
        min-width: 145px;
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .company-hero,
    .company-hero-image {
        min-height: 220px;
    }

    .contact-hero,
    .contact-hero-image {
        min-height: 220px;
    }

    .product-breadcrumb-wrap {
        min-height: 34px;
        font-size: 0.8rem;
    }

    .company-hero-overlay h1 {
        font-size: 1.8rem;
    }

    .company-hero-overlay p {
        font-size: 0.92rem;
        line-height: 1.62;
    }

    .contact-hero-overlay h1 {
        font-size: 1.8rem;
    }

    .contact-hero-overlay p {
        font-size: 0.92rem;
        line-height: 1.62;
    }

    .product-hero-band-inner {
        padding: 1.5rem 0 1.35rem;
        gap: 0.5rem;
    }

    .product-hero-left p {
        font-size: 1.12rem;
        margin-bottom: 0.2rem;
    }

    .product-hero-left h1 {
        font-size: 2.2rem;
    }

    .product-hero-right {
        font-size: 0.9rem;
        line-height: 1.58;
    }

    .product-detail-section {
        margin: 1.6rem auto;
    }

    .product-detail-title {
        font-size: 1.85rem;
        line-height: 1.2;
    }

    .product-detail-desc {
        margin-top: 1rem;
        font-size: 0.92rem;
        line-height: 1.72;
    }

    .product-visual-wrap {
        margin-top: 1.2rem;
    }

    .product-feature-list {
        margin-top: 1rem;
        gap: 0.45rem;
    }

    .product-feature-list li {
        font-size: 0.84rem;
        padding: 0.58rem 0.65rem;
    }

    .contact-info-card,
    .contact-form-card {
        padding: 1rem;
    }

    .inquiry-title {
        font-size: 1.9rem;
    }

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

    .verification-row {
        flex-wrap: wrap;
    }

    .verification-row input {
        min-width: 120px;
    }

    .contact-info-card h2,
    .contact-form-card h2 {
        font-size: 1.08rem;
    }

    .company-profile-item {
        grid-template-columns: 74px minmax(0, 1fr);
        column-gap: 0.95rem;
    }

    .company-profile-number {
        width: 74px;
        height: 74px;
        font-size: 1.65rem;
    }

    .company-profile-item h3 {
        font-size: 1.02rem;
    }

    .company-profile-desc {
        font-size: 0.9rem;
        line-height: 1.62;
    }

    .support-hero-overlay {
        padding: 0;
    }

    .support-hero-overlay h1 {
        font-size: 1.8rem;
    }

    .support-hero-kicker {
        font-size: 0.92rem;
    }

    .support-hero-overlay p {
        font-size: 0.92rem;
        line-height: 1.62;
    }

    .support-section h2 {
        font-size: 1.3rem;
    }

    .kesu-style-section {
        padding: 0.8rem 0 0.6rem;
    }

    .faq-item {
        padding: 0.9rem 0;
    }

    .faq-item h3 {
        font-size: 0.98rem;
        margin-bottom: 0.5rem;
    }

    .faq-item p {
        font-size: 0.92rem;
        line-height: 1.7;
    }

    .section-title-strong {
        font-size: 1.05rem;
    }

    .section-title-sub {
        font-size: 0.78rem;
        margin-bottom: 0.8rem;
    }

    .download-list {
        grid-template-columns: 1fr;
    }

    .download-item {
        padding: 0.75rem;
    }

    .support-links-panel {
        padding: 1.2rem 0;
    }

    .support-links-wrap {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .links-column h3 {
        font-size: 0.95rem;
        margin-bottom: 0.35rem;
    }

    .links-column ul {
        padding-top: 0.55rem;
    }

    .links-column li {
        margin-bottom: 0.5rem;
        font-size: 0.84rem;
    }
}