:root {
    --blue: #1654b8;
    --blue-dark: #0b3585;
    --blue-deep: #08275f;
    --red: #d01818;
    --green: #16a34a;
    --ink: #142033;
    --muted: #657386;
    --steel: #475569;
    --line: #dfe6f0;
    --soft: #f3f6fb;
    --white: #ffffff;
    --radius: 8px;
    --shadow: 0 12px 30px rgba(9, 36, 85, 0.1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    letter-spacing: 0;
    background: #fff;
}

body,
main {
    overflow-x: hidden;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(22, 84, 184, 0.28);
    outline-offset: 3px;
}

.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.container-wide {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
}

.section-pad {
    padding: 78px 0;
}

.section-pad--compact {
    padding: 48px 0;
}

.section-label,
.section-heading span,
.about-copy span,
.buy-guide-copy span,
.service-brief-copy span,
.product-showcase__intro > span,
.quality-copy > span,
.home-faq__intro > span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 12px;
    border: 1px solid #bfd2ef;
    border-radius: 999px;
    background: #f5f8fe;
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    color: var(--ink);
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 4px 16px rgba(9, 36, 85, 0.06);
}

.home-page .site-header {
    position: sticky;
    top: 0;
    left: auto;
    width: auto;
    border-radius: 0;
    transform: none;
}

.header-main {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-badge {
    width: 54px;
    flex: 0 0 54px;
    display: grid;
    justify-items: center;
    gap: 3px;
}

.brand-circle {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--blue);
    box-shadow: 0 8px 18px rgba(22, 84, 184, 0.18);
}

.brand-circle img {
    width: 34px;
    height: 24px;
    object-fit: contain;
}

.brand-label {
    height: 16px;
    min-width: 52px;
    display: grid;
    place-items: center;
    border-radius: 4px;
    background: #0f2f70;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}

.brand-copy {
    min-width: 0;
    display: block;
}

.logo strong {
    display: block;
    color: #111827;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.2;
    white-space: nowrap;
}

.logo em {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
    font-style: normal;
    line-height: 1.35;
}

.header-contact {
    flex: 0 0 auto;
    display: grid;
    justify-items: end;
    gap: 6px;
    text-align: right;
}

.contact-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 14px;
}

.contact-label b {
    display: inline-flex;
    height: 20px;
    align-items: center;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--red);
    color: #fff;
    font-size: 12px;
    line-height: 1;
}

.contact-phone {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.phone-icon {
    width: 30px;
    height: 30px;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    background: var(--green);
}

.phone-icon::before {
    content: "\260E";
    color: #fff;
    font-size: 17px;
    line-height: 1;
}

.header-contact strong {
    color: #111827;
    font-size: 24px;
    font-weight: 800;
    line-height: 1;
    white-space: nowrap;
}

.site-nav {
    background: #f7f9fc;
    border-top: 1px solid var(--line);
}

.nav-inner {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.nav-inner > a,
.nav-item > a {
    position: relative;
    display: flex;
    min-height: 48px;
    align-items: center;
    padding: 0 18px;
    color: #24324a;
    font-weight: 700;
    line-height: 1;
}

.nav-inner a.active,
.nav-inner > a:hover,
.nav-item:hover > a {
    color: var(--blue);
}

.nav-inner a.active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 0;
    height: 3px;
    background: var(--blue);
}

.nav-item {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 48px;
    left: 0;
    z-index: 20;
    width: 190px;
    padding: 6px 0;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.dropdown a {
    display: block;
    padding: 10px 16px;
    color: var(--steel);
}

.dropdown a:hover {
    color: var(--blue);
    background: #f5f8fe;
}

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

.mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.mobile-menu-btn span {
    display: block;
    height: 2px;
    margin: 6px 0;
    background: var(--blue);
}

.hero-slider {
    position: relative;
    height: 640px;
    min-height: 560px;
    overflow: hidden;
    background: var(--blue-deep);
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transform: scale(1.02);
    transition: opacity 0.6s ease, visibility 0.6s ease, transform 1.1s ease;
}

.hero-slide.is-active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.hero-slide > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 39, 95, 0.86), rgba(8, 39, 95, 0.58) 46%, rgba(8, 39, 95, 0.2) 78%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.04));
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -44%);
    color: #fff;
}

.hero-kicker {
    width: fit-content;
    margin: 0 0 16px;
    padding: 6px 14px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.12);
    font-weight: 700;
}

.hero-content h1 {
    max-width: 620px;
    margin: 0;
    font-size: 48px;
    line-height: 1.18;
}

.hero-content p:not(.hero-kicker) {
    max-width: 620px;
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.hero-actions a,
.home-about__actions a,
.product-hero-panel__copy a,
.product-card__actions a,
.home-news-feature a,
.home-faq__intro a,
.phone-banner a,
.detail-actions a,
.product-procure-strip a,
.service-cta a,
.search-band button,
.inquiry-form button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 700;
    line-height: 1;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.hero-actions a:first-child,
.home-about__actions a:first-child,
.product-hero-panel__copy a:first-child,
.product-card__actions a:last-child,
.home-news-feature a,
.home-faq__intro a,
.phone-banner a,
.product-procure-strip a,
.service-cta a,
.search-band button,
.inquiry-form button,
.detail-actions a:first-child {
    background: var(--blue);
    color: #fff;
}

.hero-actions a:last-child,
.home-about__actions a:last-child,
.product-hero-panel__copy a:last-child,
.product-card__actions a:first-child,
.detail-actions a:last-child {
    border-color: #bfd2ef;
    background: #fff;
    color: var(--blue);
}

.hero-actions a:last-child {
    background: rgba(255, 255, 255, 0.95);
}

.hero-actions a:hover,
.home-about__actions a:hover,
.product-hero-panel__copy a:hover,
.product-card__actions a:hover,
.home-news-feature a:hover,
.home-faq__intro a:hover,
.phone-banner a:hover,
.detail-actions a:hover,
.product-procure-strip a:hover,
.service-cta a:hover,
.search-band button:hover,
.inquiry-form button:hover {
    transform: translateY(-2px);
}

.hero-dots {
    position: absolute;
    left: 50%;
    bottom: 34px;
    display: flex;
    gap: 10px;
    transform: translateX(-50%);
}

.hero-dots button {
    width: 38px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.55);
}

.hero-dots button.is-active {
    background: #fff;
}

.search-band {
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.search-band__inner {
    min-height: 66px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-band strong {
    color: var(--blue);
    white-space: nowrap;
}

.search-band a {
    color: var(--steel);
    white-space: nowrap;
}

.search-band a:hover {
    color: var(--red);
}

.search-band form {
    height: 40px;
    display: flex;
    margin-left: auto;
}

.search-band input {
    width: 280px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-right: 0;
    border-radius: var(--radius) 0 0 var(--radius);
    outline: 0;
}

.search-band button {
    min-height: 40px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.sub-hero {
    min-height: 280px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(90deg, rgba(248, 250, 252, 0.98), rgba(248, 250, 252, 0.82) 54%, rgba(248, 250, 252, 0.42)),
        url("../images/sub-hero.png") center/cover;
}

.sub-hero h1 {
    margin: 0;
    color: #071d48;
    font-size: 44px;
    line-height: 1.15;
}

.sub-hero p {
    max-width: 660px;
    margin: 14px 0 0;
    color: var(--steel);
    font-size: 18px;
}

.section-heading {
    width: min(860px, calc(100% - 32px));
    margin: 0 auto 38px;
    text-align: center;
}

.section-heading h2,
.home-about__copy h2,
.quality-copy h2,
.product-showcase__intro h2,
.home-process h2,
.home-faq__intro h2,
.about-copy h1,
.about-copy h2,
.buy-guide-copy h2,
.service-brief-copy h2 {
    margin: 12px 0 12px;
    color: #071d48;
    font-size: 34px;
    line-height: 1.28;
}

.section-heading p,
.home-about__copy p,
.quality-copy p,
.product-showcase__intro p,
.home-faq__intro p,
.buy-guide-copy p,
.service-brief-copy p {
    margin: 0;
    color: var(--muted);
}

.need-finder,
.product-buy-guide,
.knowledge-guide,
.service-brief,
.case-proof,
.product-center,
.home-process,
.home-faq {
    background: var(--soft);
}

.home-about {
    background: #fff;
}

.home-about__grid,
.quality-shell,
.home-news-feature,
.home-news-list,
.home-faq__intro,
.home-faq__list,
.page-sidebar,
.product-sidebar,
.contact-info,
.contact-form,
.article-body,
.article-side,
.detail-section,
.detail-consult-card,
.buy-guide-copy,
.service-brief-copy,
.need-finder__intro {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(9, 36, 85, 0.06);
}

.home-about__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 44px;
    align-items: center;
    padding: 24px;
}

.home-about__media {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #eef3f8;
}

.home-about__media img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.home-about__media figcaption {
    padding: 12px 16px;
    color: var(--steel);
    font-size: 14px;
}

.home-about__proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 26px 0;
}

.home-about__proof article,
.case-proof-grid article,
.assurance-grid article {
    min-height: 100px;
    padding: 18px;
    border: 1px solid var(--line);
    border-left: 4px solid var(--blue);
    border-radius: var(--radius);
    background: #f8fbff;
}

.home-about__proof strong,
.home-about__proof span,
.case-proof-grid strong,
.case-proof-grid span,
.assurance-grid strong,
.assurance-grid span {
    display: block;
}

.home-about__proof strong,
.case-proof-grid strong,
.assurance-grid strong {
    color: var(--blue);
    font-size: 18px;
}

.home-about__proof span,
.case-proof-grid span,
.assurance-grid span {
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.home-about__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.quality-shell {
    display: grid;
    grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
    gap: 30px;
    padding: 28px;
    align-items: stretch;
}

.quality-tabs {
    display: grid;
    gap: 12px;
    margin-top: 26px;
}

.quality-tabs button {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 14px;
    min-height: 66px;
    align-items: center;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    text-align: left;
}

.quality-tabs button:hover,
.quality-tabs button.is-active {
    border-color: #aac3ea;
    background: #f5f8fe;
}

.quality-tabs span {
    color: #071d48;
    font-weight: 800;
}

.quality-tabs small {
    color: var(--muted);
}

.quality-stage {
    position: relative;
    min-height: 410px;
}

.quality-panel {
    position: absolute;
    inset: 0;
    display: none;
    grid-template-rows: 1fr auto;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.quality-panel.is-active {
    display: grid;
}

.quality-panel figure {
    margin: 0;
    min-height: 280px;
    background: #eef3f8;
}

.quality-panel img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
}

.quality-panel div {
    padding: 20px;
}

.quality-panel strong {
    display: block;
    color: #071d48;
    font-size: 22px;
}

.quality-panel p {
    margin: 8px 0 0;
    color: var(--muted);
}

.product-showcase {
    display: grid;
    gap: 22px;
}

.product-showcase__intro {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
    gap: 24px;
    align-items: end;
}

.product-category-strip,
.filter-chips,
.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-category-strip {
    justify-content: flex-end;
}

.product-category-strip a,
.filter-chips a,
.about-tags i,
.article-item small {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    color: var(--steel);
    font-size: 14px;
    font-style: normal;
}

.product-category-strip a:hover,
.product-category-strip a:last-child,
.filter-chips a:hover,
.filter-chips a.active {
    border-color: var(--blue);
    background: var(--blue);
    color: #fff;
}

.product-showcase__stage {
    position: relative;
    min-height: 450px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
}

.product-hero-panel {
    position: absolute;
    inset: 0;
    display: none;
    grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
    gap: 24px;
    align-items: center;
    padding: 34px;
}

.product-hero-panel.is-active {
    display: grid;
}

.product-hero-panel__copy span,
.home-product-card__body span,
.product-showcase__rail span,
.product-card__category {
    display: block;
    margin: 0;
    color: var(--blue);
    font-size: 14px;
    font-weight: 800;
}

.product-hero-panel__copy h3 {
    margin: 12px 0;
    color: #071d48;
    font-size: 34px;
    line-height: 1.2;
}

.product-hero-panel__copy p {
    max-width: 470px;
    margin: 0;
    color: var(--muted);
}

.product-hero-panel__copy div {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.product-hero-panel figure {
    height: 340px;
    margin: 0;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
        radial-gradient(circle at 50% 48%, rgba(22, 84, 184, 0.1), transparent 52%),
        #f8fbff;
}

.product-hero-panel img {
    width: min(88%, 520px);
    height: min(86%, 310px);
    object-fit: contain;
}

.product-showcase__rail {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
}

.product-showcase__rail button {
    min-height: 132px;
    display: grid;
    align-content: start;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    text-align: left;
}

.product-showcase__rail button:hover,
.product-showcase__rail button.is-active {
    border-color: var(--blue);
    box-shadow: 0 8px 22px rgba(9, 36, 85, 0.08);
}

.product-showcase__rail img {
    width: 100%;
    height: 58px;
    object-fit: contain;
}

.product-showcase__rail strong {
    color: #071d48;
    font-size: 15px;
    line-height: 1.35;
}

.product-grid,
.home-product-grid,
.case-grid,
.knowledge-grid,
.scene-chip-grid,
.process-grid,
.assurance-grid,
.power-grid,
.about-service-grid,
.case-proof-grid {
    display: grid;
    gap: 22px;
}

.product-grid--home,
.product-grid--list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-grid--related {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card,
.home-product-card,
.case-card,
.article-item,
.knowledge-card,
.scene-chip,
.need-card,
.process-card,
.power-grid article,
.about-service-grid article,
.service-checklist,
.selection-note,
.product-procure-strip,
.phone-banner,
.empty-box {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 6px 18px rgba(9, 36, 85, 0.05);
}

.product-card {
    display: grid;
    overflow: hidden;
}

.product-card__image,
.home-product-card__image {
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 3;
    padding: 20px;
    background: #f8fbff;
    border-bottom: 1px solid var(--line);
}

.product-card__image img,
.home-product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.product-card:hover .product-card__image img,
.home-product-card:hover .home-product-card__image img {
    transform: scale(1.03);
}

.product-card__body,
.home-product-card__body {
    display: grid;
    gap: 10px;
    padding: 18px;
}

.product-card h3,
.home-product-card__body h3,
.case-card h3,
.article-item h2,
.process-card h3,
.power-grid h2,
.about-service-grid h2 {
    margin: 0;
    color: #071d48;
    line-height: 1.3;
}

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

.product-card p,
.home-product-card__body p,
.case-card p,
.article-item p,
.process-card p,
.power-grid p,
.about-service-grid p,
.case-points,
.detail-section p {
    margin: 0;
    color: var(--muted);
}

.product-card__specs {
    display: grid;
    gap: 0;
    margin: 2px 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.product-card__specs div {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    min-height: 34px;
    border-bottom: 1px solid var(--line);
}

.product-card__specs div:last-child {
    border-bottom: 0;
}

.product-card__specs dt,
.product-card__specs dd {
    margin: 0;
    padding: 7px 10px;
    font-size: 13px;
    line-height: 1.45;
}

.product-card__specs dt {
    color: var(--blue);
    font-weight: 800;
    background: #f5f8fe;
}

.product-card__specs dd {
    color: var(--steel);
}

.product-card__badges,
.home-product-card__actions,
.product-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-card__badges span {
    display: inline-flex;
    min-height: 26px;
    align-items: center;
    padding: 0 9px;
    border-radius: 999px;
    background: #f5f8fe;
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
}

.product-card__hint {
    color: var(--steel);
    font-size: 13px;
    line-height: 1.5;
}

.product-card__actions {
    margin-top: 4px;
}

.product-card__actions a {
    flex: 1 1 120px;
    min-height: 38px;
    padding: 0 14px;
}

.process-stepper {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
}

.process-stepper button {
    min-height: 76px;
    display: grid;
    gap: 4px;
    align-content: center;
    padding: 14px;
    border: 0;
    border-right: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    text-align: left;
}

.process-stepper button:last-child {
    border-right: 0;
}

.process-stepper button.is-active,
.process-stepper button:hover {
    background: #f5f8fe;
}

.process-stepper strong {
    color: var(--blue);
    font-size: 18px;
}

.process-stepper span {
    color: #071d48;
    font-weight: 800;
}

.process-detail {
    position: relative;
    min-height: 150px;
    margin-top: 18px;
}

.process-detail article {
    display: none;
    min-height: 150px;
    grid-template-columns: 100px 1fr;
    gap: 22px;
    align-items: center;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.process-detail article.is-active {
    display: grid;
}

.process-detail article > span {
    color: rgba(22, 84, 184, 0.18);
    font-size: 58px;
    font-weight: 900;
    line-height: 1;
}

.process-detail h3 {
    margin: 0 0 8px;
    color: #071d48;
}

.process-detail p {
    margin: 0;
    color: var(--muted);
}

.home-news__grid,
.home-faq__layout,
.about-grid,
.buy-guide-grid,
.service-brief-grid,
.contact-grid,
.article-grid,
.detail-top {
    display: grid;
    gap: 28px;
}

.home-news__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.home-news-feature {
    overflow: hidden;
}

.home-news-feature img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-bottom: 1px solid var(--line);
}

.home-news-feature div {
    padding: 22px;
}

.home-news-feature span,
.home-news-item span,
.article-meta {
    color: var(--muted);
    font-size: 14px;
}

.home-news-feature h3 {
    margin: 8px 0 10px;
    color: #071d48;
    font-size: 24px;
    line-height: 1.3;
}

.home-news-feature p {
    margin: 0 0 18px;
    color: var(--muted);
}

.home-news-list {
    overflow: hidden;
}

.home-news-item {
    display: grid;
    grid-template-columns: 74px 1fr;
    gap: 14px;
    align-items: center;
    min-height: 92px;
    padding: 16px;
    border-bottom: 1px solid var(--line);
}

.home-news-item:last-child {
    border-bottom: 0;
}

.home-news-item:hover {
    background: #f8fbff;
}

.home-news-item time {
    display: grid;
    place-items: center;
    min-height: 58px;
    border-radius: var(--radius);
    background: #f5f8fe;
    color: var(--blue);
    font-weight: 800;
}

.home-news-item strong {
    display: block;
    color: #071d48;
    line-height: 1.35;
}

.home-faq__layout {
    grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
}

.home-faq__intro,
.home-faq__list {
    padding: 24px;
}

.home-faq__intro div {
    margin-top: 24px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fbff;
}

.home-faq__intro strong {
    display: block;
    margin-bottom: 12px;
    color: #071d48;
    font-size: 26px;
    line-height: 1.1;
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    overflow: hidden;
}

.faq-item + .faq-item {
    margin-top: 12px;
}

.faq-item button {
    width: 100%;
    min-height: 58px;
    display: grid;
    grid-template-columns: 1fr 28px;
    gap: 16px;
    align-items: center;
    padding: 16px 18px;
    border: 0;
    background: #fff;
    color: #071d48;
    text-align: left;
    font-weight: 800;
}

.faq-item button:hover,
.faq-item.is-open button {
    background: #f5f8fe;
}

.faq-item i {
    position: relative;
    width: 28px;
    height: 28px;
    border: 1px solid #bfd2ef;
    border-radius: 50%;
    background: #fff;
}

.faq-item i::before,
.faq-item i::after {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    top: 13px;
    height: 2px;
    background: var(--blue);
}

.faq-item i::after {
    transform: rotate(90deg);
}

.faq-item.is-open i::after {
    display: none;
}

.faq-item__body {
    display: none;
    padding: 0 18px 18px;
    background: #fff;
}

.faq-item.is-open .faq-item__body {
    display: block;
}

.faq-item__body p {
    margin: 0 0 8px;
    color: var(--muted);
}

.faq-item__body a {
    color: var(--blue);
    font-weight: 700;
}

.page-layout {
    background: #fff;
}

.page-grid {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
}

.page-sidebar,
.product-sidebar {
    overflow: hidden;
}

.page-sidebar h2,
.product-sidebar h3 {
    margin: 0;
    padding: 18px 20px;
    background: var(--blue);
    color: #fff;
    font-size: 22px;
}

.page-sidebar a,
.product-sidebar a {
    display: block;
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
    color: var(--steel);
}

.page-sidebar a:hover,
.page-sidebar a.active,
.product-sidebar a:hover {
    background: #f5f8fe;
    color: var(--blue);
}

.sidebar-phone {
    margin: 18px;
    padding: 18px;
    border-radius: var(--radius);
    background: var(--blue-deep);
    color: #fff;
}

.sidebar-phone span,
.sidebar-phone strong {
    display: block;
}

.sidebar-phone strong {
    margin-top: 6px;
    font-size: 22px;
}

.page-title-row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.page-title-row--spaced {
    margin-top: 48px;
}

.page-title-row h1 {
    margin: 0;
    color: #071d48;
    font-size: 30px;
    line-height: 1.2;
}

.page-title-row span {
    color: var(--muted);
}

.filter-chips,
.selection-note,
.product-procure-strip {
    margin-bottom: 18px;
    padding: 16px;
}

.filter-chips {
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 6px 18px rgba(9, 36, 85, 0.05);
}

.filter-chips span,
.selection-note strong,
.product-procure-strip span {
    color: var(--blue);
    font-weight: 800;
}

.filter-chips span {
    margin-right: 4px;
}

.filter-chips a {
    border-color: #cdd8e8;
    background: #f8fbff;
    color: var(--steel);
    font-weight: 700;
}

.selection-note {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 12px;
    align-items: center;
}

.selection-note span,
.product-procure-strip p {
    color: var(--muted);
}

.buy-guide-grid {
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    align-items: stretch;
}

.buy-guide-copy,
.service-brief-copy,
.need-finder__intro {
    padding: 24px;
}

.scene-chip-grid {
    grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
}

.scene-chip,
.knowledge-card,
.need-card {
    min-height: 118px;
    display: grid;
    align-content: center;
    padding: 18px;
}

.scene-chip strong,
.knowledge-card strong,
.need-card strong {
    color: #071d48;
    font-size: 20px;
    line-height: 1.35;
}

.scene-chip strong {
    word-break: keep-all;
}

.scene-chip span,
.knowledge-card span,
.need-card span {
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

.knowledge-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-proof-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.case-card {
    overflow: hidden;
}

.case-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-bottom: 1px solid var(--line);
}

.case-card div {
    padding: 20px;
}

.case-card span {
    color: var(--blue);
    font-weight: 800;
}

.case-card h3 {
    margin-top: 8px;
}

.case-card p {
    margin-top: 8px;
}

.case-points {
    display: grid;
    gap: 8px;
    padding: 0;
    margin-top: 14px;
    list-style: none;
}

.case-points li {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fbff;
    font-size: 14px;
}

.case-points b {
    color: var(--blue);
}

.about-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
}

.about-image {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #eef3f8;
}

.about-image img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.about-copy p {
    margin: 0;
    color: var(--muted);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 24px 0;
}

.about-stats b {
    display: grid;
    place-items: center;
    min-height: 60px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f5f8fe;
    color: var(--blue);
}

.assurance-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
}

.power-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 34px;
}

.power-grid article {
    overflow: hidden;
}

.power-grid img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-bottom: 1px solid var(--line);
}

.power-grid h2,
.power-grid p {
    padding: 0 18px;
}

.power-grid h2 {
    margin-top: 18px;
}

.power-grid p {
    margin: 8px 0 20px;
}

.about-service-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
}

.about-service-grid article,
.process-card {
    padding: 20px;
}

.about-service-grid strong,
.process-card strong {
    color: var(--blue);
    font-size: 22px;
    font-weight: 900;
}

.service-brief-grid {
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
}

.service-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 22px;
}

.service-checklist span,
.feature-list li,
.selection-list li,
.scene-list span,
.checklist-grid span,
.delivery-mini article {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fbff;
    color: var(--steel);
}

.process-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.service-cta {
    padding: 34px 0;
    background: var(--blue-deep);
    color: #fff;
}

.service-cta .container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 24px;
    align-items: center;
}

.service-cta strong,
.service-cta span {
    display: block;
}

.service-cta strong {
    font-size: 24px;
}

.service-cta span {
    color: rgba(255, 255, 255, 0.78);
}

.contact-grid {
    grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
}

.contact-info,
.contact-form,
.article-body,
.article-side {
    padding: 28px;
}

.contact-info h1,
.article-body h1 {
    margin: 0 0 18px;
    color: #071d48;
    font-size: 30px;
    line-height: 1.25;
}

.contact-info p {
    margin: 10px 0;
    color: var(--steel);
}

.contact-tips {
    margin: 20px 0;
    padding: 16px;
    border: 1px solid #bfd2ef;
    border-left: 4px solid var(--blue);
    border-radius: var(--radius);
    background: #f8fbff;
}

.contact-tips strong,
.contact-tips span {
    display: block;
}

.contact-tips strong {
    color: #071d48;
}

.contact-tips span {
    margin-top: 6px;
    color: var(--muted);
}

.contact-info img,
.footer-qr img {
    width: 138px;
    height: 138px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.inquiry-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.inquiry-form label {
    display: grid;
    gap: 8px;
    color: #071d48;
    font-weight: 700;
}

.inquiry-form .full {
    grid-column: 1 / -1;
}

.inquiry-form input,
.inquiry-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0 14px;
    color: var(--ink);
    outline: 0;
}

.inquiry-form input {
    height: 46px;
}

.inquiry-form textarea {
    min-height: 130px;
    padding-top: 12px;
    resize: vertical;
}

.inquiry-form button {
    width: fit-content;
}

.form-message {
    margin: 0;
    align-self: center;
    color: var(--muted);
}

.detail-top {
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    align-items: start;
}

.detail-main-image {
    height: 460px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fbff;
}

.detail-main-image img {
    width: 90%;
    height: 90%;
    object-fit: contain;
}

.detail-thumbs {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.detail-thumbs button {
    width: 88px;
    height: 72px;
    flex: 0 0 auto;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.detail-thumbs button.is-active,
.detail-thumbs button:hover {
    border-color: var(--blue);
}

.detail-thumbs img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.detail-summary > span {
    color: var(--blue);
    font-weight: 800;
}

.detail-summary h1 {
    margin: 12px 0;
    color: #071d48;
    font-size: 36px;
    line-height: 1.2;
}

.detail-summary p {
    margin: 0;
    color: var(--muted);
}

.detail-summary dl {
    margin: 24px 0;
    border-top: 1px solid var(--line);
}

.detail-summary dl div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.detail-summary dt,
.detail-summary dd {
    margin: 0;
}

.detail-summary dt {
    color: var(--blue);
    font-weight: 800;
}

.detail-summary dd {
    color: var(--steel);
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.detail-consult-card {
    margin-top: 20px;
    padding: 16px;
}

.detail-consult-card strong,
.detail-consult-card span {
    display: block;
}

.detail-consult-card strong {
    color: #071d48;
}

.detail-consult-card span {
    margin-top: 6px;
    color: var(--muted);
}

.detail-tabs {
    position: sticky;
    top: 132px;
    z-index: 10;
    display: flex;
    margin: 34px 0 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    overflow-x: auto;
}

.detail-tabs a {
    flex: 0 0 auto;
    padding: 12px 16px;
    border-right: 1px solid var(--line);
    color: var(--steel);
    font-weight: 700;
    white-space: nowrap;
}

.detail-tabs a:last-child {
    border-right: 0;
}

.detail-tabs a:hover {
    color: var(--blue);
    background: #f5f8fe;
}

.detail-section {
    padding: 26px;
    margin-top: 20px;
}

.detail-section h2 {
    margin: 0 0 16px;
    color: #071d48;
    font-size: 26px;
}

.feature-list,
.selection-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.scene-list,
.checklist-grid,
.delivery-mini {
    display: grid;
    gap: 12px;
}

.scene-list,
.checklist-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.delivery-mini {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 16px;
}

.delivery-mini article {
    display: block;
}

.delivery-mini strong {
    display: block;
    color: var(--blue);
}

.delivery-mini p {
    margin-top: 6px;
    font-size: 14px;
}

.spec-table {
    width: 100%;
    border-spacing: 0;
    border-collapse: collapse;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.spec-table th,
.spec-table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

.spec-table th {
    width: 180px;
    background: #f5f8fe;
    color: var(--blue);
}

.spec-table td {
    color: var(--steel);
}

.article-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
}

.article-body img {
    width: 100%;
    max-height: 420px;
    margin: 20px 0;
    border-radius: var(--radius);
    object-fit: cover;
}

.article-side h2 {
    margin: 0 0 12px;
    color: #071d48;
}

.article-side a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    color: var(--steel);
}

.article-side a:hover {
    color: var(--blue);
}

.article-list {
    display: grid;
    gap: 16px;
}

.article-item {
    display: grid;
    grid-template-columns: 88px 220px 1fr;
    gap: 18px;
    align-items: center;
    padding: 16px;
}

.article-item time {
    min-height: 76px;
    display: grid;
    place-items: center;
    border-radius: var(--radius);
    background: var(--blue);
    color: #fff;
}

.article-item time b,
.article-item time span {
    display: block;
    line-height: 1;
}

.article-item time b {
    font-size: 26px;
}

.article-item time span {
    font-size: 13px;
}

.article-item img {
    width: 220px;
    height: 132px;
    object-fit: cover;
    border-radius: var(--radius);
}

.article-item:hover {
    border-color: #bfd2ef;
}

.friend-links {
    padding: 14px 0;
    background: #f7f9fc;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.friend-links .container {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.friend-links strong {
    color: #071d48;
}

.friend-links a {
    color: var(--steel);
}

.friend-links a:hover {
    color: var(--blue);
}

.site-footer {
    background: #0d1b35;
    color: #d7dfec;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.8fr 1.1fr 160px;
    gap: 30px;
    padding: 54px 0;
}

.footer-brand img {
    width: 82px;
    height: 58px;
    object-fit: contain;
    padding: 10px;
    border-radius: var(--radius);
    background: var(--blue);
}

.footer-brand h2,
.footer-links h3,
.footer-contact h3 {
    margin: 14px 0 10px;
    color: #fff;
}

.footer-brand p,
.footer-contact p {
    margin: 8px 0;
    color: #b8c4d6;
}

.footer-links a {
    display: block;
    margin: 8px 0;
    color: #b8c4d6;
}

.footer-links a:hover {
    color: #fff;
}

.footer-qr img {
    width: 132px;
    height: 132px;
}

.footer-qr span {
    display: block;
    margin-top: 8px;
    color: #b8c4d6;
    font-size: 14px;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    gap: 18px;
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: #9ca9ba;
    font-size: 14px;
}

.float-service {
    position: fixed;
    right: 18px;
    bottom: 24px;
    z-index: 60;
    display: grid;
    gap: 8px;
}

.float-service a,
.float-service button {
    position: relative;
    width: 52px;
    min-height: 52px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: var(--radius);
    background: #1f2937;
    color: #fff;
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.18);
    text-align: center;
}

.float-service a::before,
.float-service button::before {
    display: block;
    font-weight: 800;
    line-height: 1;
}

.float-service a::before {
    content: "\260E";
    font-size: 22px;
}

.float-service .float-qr::before {
    content: "\5FAE";
    font-size: 18px;
}

.float-service button[data-back-top]::before {
    content: "\2191";
    font-size: 20px;
}

.float-service span,
.float-service strong {
    display: none;
}

.float-service button[data-back-top] {
    padding: 0;
    color: #fff;
    font-size: 0;
    line-height: 1;
}

.float-service button[data-back-top]::before {
    position: static;
    font-size: 22px;
}

.float-qr img {
    position: absolute;
    right: 62px;
    bottom: 0;
    width: 118px;
    height: 118px;
    display: none;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
}

.float-qr:hover img {
    display: block;
}

.empty-box {
    padding: 28px;
    color: var(--muted);
    text-align: center;
}

.empty-box a {
    color: var(--blue);
    font-weight: 800;
}

.reveal {
    opacity: 1;
    transform: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 1180px) {
    .header-contact {
        display: none;
    }

    .product-showcase__rail {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .scene-chip-grid,
    .process-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 980px) {
    .product-showcase__intro,
    .quality-shell,
    .home-news__grid,
    .home-faq__layout,
    .about-grid,
    .buy-guide-grid,
    .service-brief-grid,
    .contact-grid,
    .article-grid,
    .detail-top {
        grid-template-columns: 1fr;
    }

    .product-category-strip {
        justify-content: flex-start;
    }

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

    .page-sidebar {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .page-sidebar h2,
    .sidebar-phone {
        grid-column: 1 / -1;
    }

    .product-grid--home,
    .product-grid--list,
    .product-grid--related,
    .case-grid--page,
    .assurance-grid,
    .power-grid,
    .about-service-grid,
    .knowledge-grid,
    .case-proof-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-list,
    .selection-list,
    .scene-list,
    .checklist-grid,
    .delivery-mini {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-item {
        grid-template-columns: 76px 180px 1fr;
    }

    .article-item img {
        width: 180px;
        height: 112px;
    }
}

@media (max-width: 760px) {
    .container,
    .container-wide {
        width: min(100% - 24px, 1200px);
    }

    .section-pad {
        padding: 56px 0;
    }

    .section-pad--compact {
        padding: 38px 0;
    }

    .header-main {
        min-height: 76px;
    }

    .brand-badge {
        width: 48px;
        flex-basis: 48px;
    }

    .brand-circle {
        width: 42px;
        height: 42px;
    }

    .brand-circle img {
        width: 30px;
        height: 22px;
    }

    .brand-label {
        min-width: 48px;
        font-size: 10px;
    }

    .logo {
        gap: 10px;
    }

    .logo strong {
        max-width: 210px;
        white-space: normal;
        font-size: 17px;
        line-height: 1.25;
    }

    .logo em {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .site-nav {
        display: none;
    }

    .site-nav.is-open {
        display: block;
        padding: 8px 0 12px;
    }

    .nav-inner {
        display: grid;
        gap: 6px;
        justify-content: stretch;
    }

    .nav-inner > a,
    .nav-item > a {
        min-height: 42px;
        padding: 0 14px;
        border-radius: var(--radius);
        background: #fff;
    }

    .nav-inner a.active::after {
        display: none;
    }

    .dropdown {
        display: none;
    }

    .hero-slider {
        height: 540px;
        min-height: 540px;
    }

    .hero-content {
        transform: translate(-50%, -46%);
    }

    .hero-content h1 {
        max-width: 340px;
        font-size: 34px;
        line-height: 1.18;
    }

    .hero-content p:not(.hero-kicker) {
        max-width: 340px;
        font-size: 16px;
    }

    .hero-actions {
        display: grid;
        max-width: 240px;
    }

    .hero-actions a {
        width: 100%;
    }

    .sub-hero {
        min-height: 220px;
    }

    .sub-hero h1 {
        font-size: 34px;
    }

    .sub-hero p {
        font-size: 16px;
    }

    .search-band__inner {
        min-height: 0;
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 14px 0;
    }

    .search-band form {
        width: 100%;
        margin-left: 0;
    }

    .search-band input {
        width: 100%;
    }

    .section-heading {
        margin-bottom: 28px;
    }

    .section-heading h2,
    .home-about__copy h2,
    .quality-copy h2,
    .product-showcase__intro h2,
    .home-process h2,
    .home-faq__intro h2,
    .about-copy h1,
    .about-copy h2,
    .buy-guide-copy h2,
    .service-brief-copy h2 {
        font-size: 28px;
        line-height: 1.25;
    }

    .home-about__grid,
    .home-about__proof,
    .quality-shell,
    .product-hero-panel,
    .home-news__grid,
    .home-faq__layout,
    .page-grid,
    .buy-guide-grid,
    .service-brief-grid,
    .contact-grid,
    .article-grid,
    .detail-top,
    .selection-note,
    .process-detail article {
        grid-template-columns: 1fr;
    }

    .home-about__grid,
    .quality-shell,
    .home-faq__intro,
    .home-faq__list,
    .contact-info,
    .contact-form,
    .article-body,
    .article-side,
    .detail-section {
        padding: 18px;
    }

    .quality-stage {
        min-height: 390px;
    }

    .quality-tabs button {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .product-showcase__stage {
        min-height: 650px;
    }

    .product-hero-panel {
        align-content: center;
        padding: 22px;
    }

    .product-hero-panel figure {
        height: 270px;
    }

    .product-showcase__rail,
    .product-grid--home,
    .product-grid--list,
    .product-grid--related,
    .home-product-grid,
    .case-grid--page,
    .assurance-grid,
    .power-grid,
    .about-service-grid,
    .knowledge-grid,
    .case-proof-grid,
    .scene-chip-grid,
    .process-grid,
    .feature-list,
    .selection-list,
    .scene-list,
    .checklist-grid,
    .delivery-mini,
    .service-checklist,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .page-sidebar {
        display: block;
    }

    .product-category-sidebar {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .product-category-sidebar::-webkit-scrollbar {
        display: none;
    }

    .product-category-sidebar h2,
    .product-category-sidebar .sidebar-phone {
        display: none;
    }

    .product-category-sidebar a {
        flex: 0 0 auto;
        min-height: 36px;
        padding: 7px 12px;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: #fff;
        color: var(--steel);
        font-size: 14px;
        font-weight: 700;
    }

    .product-category-sidebar a:hover,
    .product-category-sidebar a.active {
        border-color: var(--blue);
        background: var(--blue);
        color: #fff;
    }

    .filter-chips {
        gap: 8px;
        padding: 14px;
    }

    .filter-chips span {
        flex: 0 0 100%;
        margin-right: 0;
    }

    .selection-note {
        gap: 6px;
    }

    .product-card__body {
        padding: 16px;
    }

    .product-card__specs div {
        grid-template-columns: 74px minmax(0, 1fr);
    }

    .process-stepper {
        grid-template-columns: repeat(5, 138px);
        overflow-x: auto;
    }

    .process-detail article > span {
        font-size: 42px;
    }

    .article-item {
        grid-template-columns: 70px 1fr;
        align-items: start;
    }

    .article-item img {
        width: 100%;
        height: 120px;
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .article-item time {
        grid-row: 2;
    }

    .article-item div {
        grid-row: 2;
    }

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

    .detail-main-image {
        height: 320px;
    }

    .detail-summary h1 {
        font-size: 30px;
    }

    .detail-tabs {
        top: 76px;
        margin-top: 24px;
    }

    .spec-table th {
        width: 120px;
    }

    .service-cta .container {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        display: grid;
        text-align: center;
    }

    .float-service {
        right: 10px;
        bottom: 14px;
    }

    .float-service a,
    .float-service button {
        width: 46px;
        min-height: 46px;
    }

    .float-qr img {
        right: 54px;
        width: 104px;
        height: 104px;
    }
}

/* Homepage rebuild: factory-first conversion path */
.hero-slider--full {
    height: calc(100vh - 130px);
    min-height: 620px;
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.hero-points span {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.factory-capability,
.product-selector,
.home-contact-cta {
    background: #fff;
}

.trust-proof {
    background: var(--soft);
}

.factory-capability__head,
.trust-proof__head,
.product-selector__head {
    max-width: 820px;
    margin-bottom: 30px;
}

.factory-capability__head h2,
.trust-proof__head h2,
.product-selector__head h2,
.home-contact-shell h2,
.capability-overview h1 {
    margin: 12px 0;
    color: #071d48;
    font-size: 36px;
    line-height: 1.25;
}

.factory-capability__head p,
.trust-proof__head p,
.product-selector__head p,
.home-contact-shell p,
.capability-overview p {
    margin: 0;
    color: var(--muted);
}

.factory-capability__layout {
    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
}

.factory-capability__tabs,
.product-selector__menu {
    display: grid;
    gap: 10px;
    align-content: start;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 8px 24px rgba(9, 36, 85, 0.06);
}

.factory-capability__tabs button,
.product-selector__menu button {
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fbff;
    color: var(--steel);
    text-align: left;
}

.factory-capability__tabs button:hover,
.factory-capability__tabs button.is-active,
.product-selector__menu button:hover,
.product-selector__menu button.is-active {
    border-color: var(--blue);
    background: #fff;
    box-shadow: 0 6px 16px rgba(22, 84, 184, 0.1);
}

.factory-capability__tabs strong,
.product-selector__menu b {
    color: #071d48;
    font-size: 17px;
    line-height: 1.35;
}

.factory-capability__tabs span,
.product-selector__menu span {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.factory-capability__panels,
.product-selector__stage {
    min-width: 0;
    position: relative;
}

.factory-panel,
.product-selector__panel {
    display: none;
    min-height: 100%;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 8px 24px rgba(9, 36, 85, 0.06);
}

.factory-panel.is-active,
.product-selector__panel.is-active {
    display: grid;
}

.factory-panel {
    grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
}

.factory-panel figure,
.product-selector__panel figure,
.trust-card img,
.capability-detail figure {
    margin: 0;
    background: #f5f8fe;
}

.factory-panel img {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
}

.factory-panel > div,
.product-selector__panel > div {
    display: grid;
    align-content: center;
    gap: 14px;
    padding: 34px;
}

.factory-panel > div > span,
.product-selector__panel > div > span {
    color: var(--blue);
    font-weight: 800;
}

.factory-panel h3,
.product-selector__panel h3,
.trust-card strong,
.capability-detail h2 {
    margin: 0;
    color: #071d48;
    line-height: 1.25;
}

.factory-panel h3,
.product-selector__panel h3 {
    font-size: 32px;
}

.factory-panel p,
.product-selector__panel p,
.trust-card span,
.capability-detail p {
    margin: 0;
    color: var(--muted);
}

.factory-panel ul,
.capability-detail ul,
.home-contact-shell ul {
    display: grid;
    gap: 8px;
    margin: 4px 0 0;
    padding: 0;
    list-style: none;
}

.factory-panel li,
.capability-detail li,
.home-contact-shell li {
    position: relative;
    padding-left: 18px;
    color: var(--steel);
}

.factory-panel li::before,
.capability-detail li::before,
.home-contact-shell li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.78em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--blue);
}

.factory-panel a,
.product-selector__actions a,
.home-news-more,
.home-contact-card a {
    width: fit-content;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border-radius: var(--radius);
    font-weight: 800;
}

.factory-panel a,
.product-selector__actions a:first-child,
.home-contact-card a {
    background: var(--blue);
    color: #fff;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.trust-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 8px 24px rgba(9, 36, 85, 0.06);
}

.trust-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-bottom: 1px solid var(--line);
}

.trust-card div {
    display: grid;
    gap: 8px;
    padding: 18px;
}

.product-selector__layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
}

.product-selector__menu {
    max-height: 680px;
    overflow: auto;
}

.product-selector__menu > strong {
    color: var(--blue);
    font-size: 18px;
}

.product-selector__panel {
    grid-template-columns: minmax(340px, 1fr) minmax(320px, 0.9fr);
}

.product-selector__panel figure {
    display: grid;
    place-items: center;
    padding: 34px;
    border-right: 1px solid var(--line);
}

.product-selector__panel img {
    width: 100%;
    height: min(430px, 58vh);
    object-fit: contain;
}

.product-selector__panel dl {
    display: grid;
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.product-selector__panel dl div {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    border-bottom: 1px solid var(--line);
}

.product-selector__panel dl div:last-child {
    border-bottom: 0;
}

.product-selector__panel dt,
.product-selector__panel dd {
    margin: 0;
    padding: 9px 12px;
}

.product-selector__panel dt {
    background: #f5f8fe;
    color: var(--blue);
    font-weight: 800;
}

.product-selector__panel dd {
    color: var(--steel);
}

.product-selector__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-selector__actions a:last-child {
    border: 1px solid #bfd2ef;
    background: #fff;
    color: var(--blue);
}

.seo-keyword-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 22px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.seo-keyword-strip strong {
    color: var(--blue);
}

.seo-keyword-strip a {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #f8fbff;
    color: var(--steel);
    font-weight: 700;
}

.home-news-more {
    margin: 16px;
    border: 1px solid #bfd2ef;
    color: var(--blue);
}

.home-contact-cta {
    background: var(--blue-deep);
}

.home-contact-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 24px;
    align-items: center;
    color: #fff;
}

.home-contact-shell h2,
.home-contact-shell p,
.home-contact-shell li {
    color: #fff;
}

.home-contact-shell p,
.home-contact-shell li {
    opacity: 0.86;
}

.home-contact-card {
    display: grid;
    gap: 14px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.08);
}

.home-contact-card strong {
    color: #fff;
    font-size: 32px;
    line-height: 1.1;
}

.home-contact-card span {
    color: rgba(255, 255, 255, 0.82);
}

.capability-overview {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 28px;
    align-items: start;
    margin-bottom: 34px;
}

.capability-overview nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.capability-overview nav a {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border-radius: 999px;
    background: #f5f8fe;
    color: var(--blue);
    font-weight: 800;
}

.capability-timeline {
    display: grid;
    gap: 22px;
}

.capability-detail {
    display: grid;
    grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 8px 24px rgba(9, 36, 85, 0.06);
    scroll-margin-top: 150px;
}

.capability-detail img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
}

.capability-detail > div {
    display: grid;
    align-content: center;
    gap: 12px;
    padding: 30px;
}

.capability-detail > div > span {
    color: var(--blue);
    font-weight: 900;
}

@media (max-width: 980px) {
    .factory-capability__layout,
    .product-selector__layout,
    .home-contact-shell,
    .capability-overview,
    .capability-detail {
        grid-template-columns: 1fr;
    }

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

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

    .product-selector__panel figure {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 760px) {
    .hero-slider--full {
        height: calc(100vh - 74px);
        min-height: 620px;
    }

    .hero-content {
        transform: translate(-50%, -47%);
    }

    .hero-points {
        max-width: 320px;
    }

    .factory-capability__head h2,
    .trust-proof__head h2,
    .product-selector__head h2,
    .home-contact-shell h2,
    .capability-overview h1 {
        font-size: 28px;
    }

    .factory-capability__tabs,
    .product-selector__menu {
        display: flex;
        overflow-x: auto;
        padding: 12px;
        scrollbar-width: none;
    }

    .product-selector__menu > strong {
        display: none;
    }

    .factory-capability__tabs::-webkit-scrollbar,
    .product-selector__menu::-webkit-scrollbar {
        display: none;
    }

    .factory-capability__tabs button,
    .product-selector__menu button {
        flex: 0 0 220px;
    }

    .factory-panel {
        grid-template-columns: 1fr;
    }

    .factory-panel img {
        min-height: 240px;
    }

    .factory-panel > div,
    .product-selector__panel > div,
    .capability-detail > div {
        padding: 20px;
    }

    .factory-panel h3,
    .product-selector__panel h3 {
        font-size: 26px;
    }

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

    .product-selector__panel figure {
        padding: 20px;
    }

    .product-selector__panel img {
        height: 300px;
    }

    .product-selector__panel dl div {
        grid-template-columns: 82px minmax(0, 1fr);
    }

    .home-contact-card strong {
        font-size: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}