/* ==========================================================
   Usion Hardware Theme — COMPLETE CSS OVERWRITE
   Professional B2B hardware manufacturer style
   ========================================================== */

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: #333;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--orange); text-decoration: none; transition: all .25s ease; }
a:hover { color: #c55a15; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 16px; font-weight: 600; line-height: 1.35; color: #111; }
p { margin: 0 0 16px; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:root {
    --orange: #ed6d1e;
    --orange-dark: #c55a15;
    --blue: #496ee8;
    --dark: #111;
    --grey: #555;
    --grey-light: #999;
    --line: #e8e8e8;
    --bg: #f8f9fa;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(0,0,0,.06);
    --shadow-hover: 0 8px 30px rgba(0,0,0,.12);
    --max-w: 1200px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.usion-btn,
button.usion-btn,
a.usion-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--orange);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    letter-spacing: .5px;
}
.usion-btn:hover {
    background: var(--orange-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(237,109,30,.3);
}
.usion-btn--outline {
    background: transparent;
    border: 2px solid var(--orange);
    color: var(--orange);
}
.usion-btn--outline:hover {
    background: var(--orange);
    color: #fff;
}
.usion-btn--white {
    background: #fff;
    color: var(--orange);
}
.usion-btn--white:hover {
    background: #f8f8f8;
    transform: translateY(-2px);
}

/* ---------- Header ---------- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 8px rgba(0,0,0,.04);
}
body.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { body.admin-bar .site-header { top: 46px; } }

.header-container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    min-height: 72px;
    gap: 24px;
}
.logo-area { flex-shrink: 0; }
.logo-area .site-logo,
.logo-area .custom-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.site-logo__icon {
    width: 44px;
    height: 44px;
    border-radius: 6px;
}
.site-logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}
.logo-main {
    font-size: 20px;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: .5px;
}
.logo-sub {
    font-size: 11px;
    color: var(--grey);
    margin-top: 2px;
}
.logo-sub-en {
    color: var(--grey-light);
    margin-left: 4px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-self: end;
}
.lang-switcher {
    display: inline-flex;
    gap: 8px;
    font-size: 13px;
}
.lang-switcher a {
    padding: 4px 10px;
    color: var(--grey);
    border-radius: 4px;
    transition: all .2s;
}
.lang-switcher a.active,
.lang-switcher a:hover {
    color: var(--orange);
    font-weight: 600;
    background: rgba(237,109,30,.06);
}

.main-navigation { justify-self: end; }
.nav-menu {
    display: flex;
    align-items: center;
}
.nav-menu > li > a {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 22px 16px;
    color: var(--dark);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .3px;
    text-transform: uppercase;
    transition: color var(--transition);
    position: relative;
    text-decoration: none;
}
.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--orange);
    border-radius: 2px 2px 0 0;
    transition: width var(--transition);
}
.nav-menu > li:hover > a,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current_page_item > a {
    color: var(--orange);
}
.nav-menu > li:hover > a::after,
.nav-menu > li.current-menu-item > a::after,
.nav-menu > li.current_page_item > a::after {
    width: 70%;
}
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all .25s ease;
    z-index: 10;
}
.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-menu .sub-menu li a {
    display: block;
    padding: 10px 20px;
    color: var(--grey);
    font-size: 13px;
    transition: all .2s;
}
.nav-menu .sub-menu li a:hover {
    background: var(--bg);
    color: var(--orange);
    padding-left: 24px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: 0;
    padding: 8px;
    cursor: pointer;
}
.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    margin: 5px 0;
    transition: transform .3s ease;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    height: 580px;
    background: var(--dark);
}
.hero__slides { position: relative; height: 100%; }
.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}
.hero__slide.is-active { opacity: 1; }
.hero__slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.2) 70%);
}
.hero__content {
    position: relative;
    max-width: 650px;
    margin-left: 8%;
    color: #fff;
    z-index: 2;
}
.hero__kicker {
    display: inline-block;
    background: var(--orange);
    color: #fff;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 20px;
}
.hero__title {
    font-size: 44px;
    line-height: 1.25;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.hero__subtitle {
    font-size: 17px;
    color: rgba(255,255,255,.85);
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero__cta {
    display: inline-block;
}
.hero__dots {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 12px;
}
.hero__dot {
    width: 36px;
    height: 4px;
    background: rgba(255,255,255,.35);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition);
}
.hero__dot.is-active {
    background: var(--orange);
    width: 48px;
}
.hero__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(0,0,0,.4);
    border: 2px solid rgba(255,255,255,.2);
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    z-index: 3;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}
.hero__arrow:hover {
    background: var(--orange);
    border-color: var(--orange);
    transform: translateY(-50%) scale(1.1);
}
.hero__arrow--prev { left: 24px; }
.hero__arrow--next { right: 24px; }

/* ---------- Section base ---------- */
.section {
    padding: 80px 0;
    background: #fff;
}
.section--grey { background: var(--bg); }
.section--dark {
    background: linear-gradient(135deg, #1a1a1a 0%, #111 50%, #1a1a1a 100%);
    color: #ccc;
}
.section--dark h2,
.section--dark .section-title { color: #fff; }
.section--dark .section-kicker { color: var(--orange); }
.section--dark .section-divider { background: var(--orange); }

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header--left { text-align: left; }
.section-kicker {
    display: inline-block;
    color: var(--orange);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-title {
    font-size: 32px;
    margin-bottom: 14px;
    color: var(--dark);
    font-weight: 700;
}
.section-subtitle {
    color: var(--grey);
    font-size: 15px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}
.section-divider {
    width: 56px;
    height: 3px;
    background: var(--orange);
    margin: 18px auto 0;
    border-radius: 2px;
}
.section-header--left .section-divider { margin-left: 0; }

/* ---------- Profile block ---------- */
.profile-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.profile-block__text h2 {
    font-size: 28px;
    margin-bottom: 20px;
}
.profile-block__text p {
    color: var(--grey);
    line-height: 1.9;
    font-size: 15px;
    margin-bottom: 24px;
}
.profile-block__more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--orange);
    font-weight: 600;
    font-size: 14px;
}
.profile-block__more::after { content: '→'; }
.profile-block__media {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}
.profile-block__media img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform .6s ease;
}
.profile-block__media:hover img {
    transform: scale(1.03);
}

/* ---------- Stats counter ---------- */
.stats-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #111 50%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 50%, rgba(237,109,30,.12) 0%, transparent 50%),
        radial-gradient(circle at 85% 50%, rgba(73,110,232,.1) 0%, transparent 50%);
    pointer-events: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 2;
}
.stat-item { text-align: center; }
.stat-num {
    font-size: 52px;
    font-weight: 700;
    line-height: 1;
    color: #dc2626;
    margin-bottom: 12px;
    font-variant-numeric: tabular-nums;
}
.stat-suffix {
    font-size: 30px;
    color: #dc2626;
    opacity: .85;
    margin-left: 2px;
}
.stat-label {
    font-size: 14px;
    color: #aaa;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ---------- Product Series ---------- */
.series-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.series-card {
    display: block;
    background: #fff;
    padding: 28px 16px 24px;
    text-align: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: all var(--transition);
    text-decoration: none;
    color: var(--dark);
}
.series-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--orange);
    color: var(--orange);
}
.series-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--line);
    transition: border-color var(--transition);
}
.series-card:hover .series-card__icon { border-color: var(--orange); }
.series-card__icon img {
    width: 60%;
    height: 60%;
    object-fit: contain;
}
.series-card__letter {
    font-size: 28px;
    color: var(--orange);
    font-weight: 700;
}
.series-card__name {
    font-size: 16px;
    margin-bottom: 4px;
    font-weight: 600;
}
.series-card__name-en {
    color: var(--grey-light);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin: 0;
}

/* ---------- Featured products ---------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}
.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: transparent;
}
.product-card__thumb {
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg);
}
.product-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.product-card:hover .product-card__thumb img { transform: scale(1.08); }
.product-card__body {
    padding: 16px 18px 20px;
    text-align: center;
}
.product-card__title {
    font-size: 15px;
    margin-bottom: 6px;
}
.product-card__title a {
    color: var(--dark);
    text-decoration: none;
}
.product-card__title a:hover { color: var(--orange); }
.product-card__excerpt {
    color: var(--grey);
    font-size: 13px;
    margin: 0;
    line-height: 1.6;
}

/* ---------- Honor ---------- */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.honor-card {
    background: #fff;
    padding: 16px;
    text-align: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.honor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.honor-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: contain;
    margin-bottom: 12px;
}
.honor-card h4 {
    font-size: 14px;
    margin: 0;
    font-weight: 500;
    color: var(--dark);
}

/* ---------- News ---------- */
.news-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
    align-items: center;
}
.news-feature__media {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16/10;
}
.news-feature__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.news-feature:hover .news-feature__media img { transform: scale(1.05); }
.news-feature__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-feature__title {
    font-size: 22px;
    margin-bottom: 14px;
}
.news-feature__excerpt {
    color: var(--grey);
    margin-bottom: 24px;
    line-height: 1.8;
}

.news-list { display: grid; gap: 0; }
.news-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 20px;
    align-items: center;
    transition: background .2s;
}
.news-item:hover { background: var(--bg); margin: 0 -24px; padding: 20px 24px; }
.news-item__date {
    background: var(--orange);
    color: #fff;
    text-align: center;
    padding: 10px;
    border-radius: var(--radius);
}
.news-item__date .d { display: block; font-size: 22px; font-weight: 700; line-height: 1.2; }
.news-item__date .m-y { font-size: 11px; opacity: .9; }
.news-item__title {
    font-size: 16px;
    margin: 0 0 4px;
    font-weight: 500;
}
.news-item__title a { color: var(--dark); }
.news-item__title a:hover { color: var(--orange); }
.news-item__excerpt {
    color: var(--grey);
    font-size: 13px;
    margin: 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-item.is-pinned .news-item__title a::before {
    content: '置顶';
    background: var(--orange);
    color: #fff;
    padding: 2px 8px;
    font-size: 11px;
    margin-right: 8px;
    border-radius: 3px;
    vertical-align: middle;
    font-weight: 600;
}
.news-item__more {
    color: var(--orange);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    align-self: center;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ---------- Contact CTA ---------- */
.contact-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.contact-cta__info h2 { font-size: 28px; margin-bottom: 16px; }
.contact-cta__info p { color: var(--grey); margin-bottom: 24px; }
.contact-cta__list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--line);
    color: #444;
    font-size: 15px;
}
.contact-cta__list strong {
    display: inline-block;
    width: 90px;
    color: var(--orange);
    font-weight: 600;
}
.contact-cta__form {
    background: #fff;
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
}
.usion-contact-form input,
.usion-contact-form textarea,
.contact-cta__form input,
.contact-cta__form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    margin-bottom: 14px;
    transition: border-color var(--transition);
    background: #fafafa;
}
.usion-contact-form input:focus,
.usion-contact-form textarea:focus,
.contact-cta__form input:focus,
.contact-cta__form textarea:focus {
    outline: none;
    border-color: var(--orange);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(237,109,30,.1);
}
.usion-form-result { margin-top: 12px; font-size: 14px; }
.usion-form-result.is-success { color: #16a34a; }
.usion-form-result.is-error { color: #dc2626; }

/* ---------- Page banner ---------- */
.page-banner {
    position: relative;
    height: 340px;
    overflow: hidden;
    background: var(--dark);
}
.page-banner img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .7;
}
.page-banner__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.25) 100%);
}
.page-banner__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}
.page-banner__title {
    color: #fff;
    font-size: 38px;
    margin: 0;
    font-weight: 700;
}
.page-banner__date {
    margin-top: 12px;
    font-size: 14px;
    opacity: .85;
}

/* ---------- Page content ---------- */
.site-page { background: #fff; }
.page-content { padding: 60px 0; }
.page-header {
    text-align: center;
    margin-bottom: 40px;
}
.page-header .page-title { font-size: 34px; margin: 12px 0 0; }
.entry-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.9;
    color: #444;
}
.entry-content p { margin-bottom: 20px; }
.entry-content h2 { font-size: 26px; margin: 36px 0 16px; color: var(--dark); }
.entry-content h3 { font-size: 20px; margin: 28px 0 14px; }
.entry-content img { max-width: 100%; height: auto; margin: 20px 0; border-radius: var(--radius); }
.entry-content ul, .entry-content ol { padding-left: 24px; margin-bottom: 20px; }
.entry-content li { margin-bottom: 8px; }

/* ---------- Single post / News detail ---------- */
.news-content { padding: 60px 0; }
.news-content .entry-header { margin-bottom: 32px; }
.news-content .entry-date {
    display: inline-block;
    color: var(--orange);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}
.news-content .entry-title { font-size: 30px; line-height: 1.35; }
.news-content .entry-thumb { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.news-content .entry-thumb img { width: 100%; display: block; }
.news-content .entry-footer { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); }
.post-navigation { margin-top: 40px; }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--orange);
    font-weight: 600;
    font-size: 14px;
}

/* ---------- Footer ---------- */
.site-footer {
    background: #1a1a1a;
    color: #aaa;
    padding: 48px 0 0;
    font-size: 14px;
}
.footer-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.footer-logo__img {
    width: 48px;
    height: 48px;
    border-radius: 6px;
}
.footer-logo__text {
    display: flex;
    flex-direction: column;
}
.footer-logo__name {
    font-size: 18px;
    font-weight: 700;
    color: var(--orange);
}
.footer-logo__sub {
    font-size: 12px;
    color: #888;
}
.footer-desc {
    color: #888;
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 12px;
}
.footer-icp {
    font-size: 12px;
    color: #666;
}
.footer-icp a { color: #666; }
.footer-icp a:hover { color: var(--orange); }

.footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
}
.footer-links ul { list-style: none; padding: 0; }
.footer-links li {
    padding: 6px 0;
}
.footer-links a {
    color: #aaa;
    font-size: 14px;
    transition: color .2s;
}
.footer-links a:hover { color: var(--orange); }

.footer-contact ul { list-style: none; padding: 0; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: #aaa;
}
.footer-contact__icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}
.footer-contact a { color: #aaa; }
.footer-contact a:hover { color: var(--orange); }

.footer-bottom {
    border-top: 1px solid #2a2a2a;
    padding: 18px 0;
    text-align: center;
    font-size: 12px;
    color: #666;
}
.footer-bottom a { color: #666; }
.footer-bottom a:hover { color: var(--orange); }

@media (max-width: 992px) {
    .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
    .footer-main { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Back to top ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--orange);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 99;
    box-shadow: 0 4px 12px rgba(237,109,30,.35);
}
.back-to-top::before {
    content: '';
    width: 12px;
    height: 12px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    transform: rotate(-45deg) translate(2px, 2px);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
    transform: translateY(-4px);
    background: var(--orange-dark);
    color: #fff;
}

/* ---------- Pagination ---------- */
.pagination { text-align: center; margin-top: 40px; }
.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin: 0 4px;
    border: 1px solid var(--line);
    color: var(--grey);
    border-radius: var(--radius);
    font-size: 14px;
    transition: all .2s;
}
.pagination .page-numbers.current {
    background: var(--orange);
    color: #fff;
    border-color: var(--orange);
}
.pagination .page-numbers:hover:not(.current) {
    border-color: var(--orange);
    color: var(--orange);
}

/* ---------- Empty states ---------- */
.section-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--grey-light);
    background: var(--bg);
    border: 2px dashed var(--line);
    border-radius: var(--radius);
}
.section-empty a { color: var(--orange); font-weight: 600; margin-left: 6px; }

.profile-block__placeholder,
.product-card__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    background: var(--bg);
    color: var(--grey-light);
    font-size: 32px;
    border-radius: var(--radius);
}

/* ---------- Products archive page ---------- */
.products-hero {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}
.products-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(237,109,30,.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(73,110,232,.1) 0%, transparent 50%);
}
.products-hero__content {
    position: relative;
    z-index: 2;
    color: #fff;
}
.products-hero__title {
    font-size: 36px;
    color: #fff;
    margin: 12px 0;
    font-weight: 700;
}
.products-hero__desc {
    color: rgba(255,255,255,.75);
    font-size: 16px;
    max-width: 500px;
}

.products-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 36px 0 32px;
    justify-content: center;
}
.filter-tab {
    padding: 10px 24px;
    border: 1px solid var(--line);
    border-radius: 24px;
    color: var(--grey);
    font-size: 14px;
    font-weight: 500;
    transition: all .25s ease;
    text-decoration: none;
    background: #fff;
}
.filter-tab:hover {
    border-color: var(--orange);
    color: var(--orange);
    background: rgba(237,109,30,.04);
}
.filter-tab.is-active {
    background: var(--orange);
    color: #fff;
    border-color: var(--orange);
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding-bottom: 60px;
}
.product-showcase-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    transition: all .35s cubic-bezier(.4,0,.2,1);
}
.product-showcase-card:hover {
    border-color: transparent;
    box-shadow: 0 12px 40px rgba(0,0,0,.1);
    transform: translateY(-6px);
}
.product-showcase-card__image {
    display: block;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--bg);
    position: relative;
}
.product-showcase-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.product-showcase-card:hover .product-showcase-card__image img {
    transform: scale(1.06);
}
.product-showcase-card__series {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(0,0,0,.6);
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
}
.product-showcase-card__body {
    padding: 22px 24px 26px;
}
.product-showcase-card__title {
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
}
.product-showcase-card__title a {
    color: var(--dark);
    text-decoration: none;
}
.product-showcase-card__title a:hover { color: var(--orange); }
.product-showcase-card__subtitle {
    color: var(--grey);
    font-size: 14px;
    margin-bottom: 14px;
    line-height: 1.6;
}
.product-showcase-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 18px;
}
.product-showcase-card__features li {
    position: relative;
    padding-left: 18px;
    font-size: 13px;
    color: var(--grey);
    margin-bottom: 6px;
    line-height: 1.5;
}
.product-showcase-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--orange);
    font-weight: 700;
    font-size: 12px;
}
.product-showcase-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--orange);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: gap .2s ease;
}
.product-showcase-card__link:hover {
    gap: 10px;
    color: var(--orange-dark);
}
.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--grey-light);
    font-size: 40px;
}

@media (max-width: 992px) {
    .products-showcase { grid-template-columns: repeat(2, 1fr); }
    .products-hero { height: 220px; }
    .products-hero__title { font-size: 28px; }
}
@media (max-width: 768px) {
    .products-showcase { grid-template-columns: 1fr; }
    .products-hero { height: 180px; }
    .products-hero__title { font-size: 24px; }
    .products-filter { padding: 24px 0 20px; }
    .filter-tab { padding: 8px 16px; font-size: 13px; }
}

/* ---------- Single product detail ---------- */
.site-product-detail { background: #fff; }

.product-hero {
    padding: 48px 0 64px;
    background: #fff;
}
.product-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.product-hero__gallery {
    position: sticky;
    top: 100px;
}
.product-hero__main-image {
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg);
    border: 1px solid var(--line);
}
.product-hero__main-image img {
    width: 100%;
    height: auto;
    display: block;
}
.product-hero__video {
    margin-top: 16px;
}
.video-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--dark);
    font-size: 14px;
    transition: all .25s;
}
.video-link:hover {
    border-color: var(--orange);
    color: var(--orange);
    background: rgba(237,109,30,.04);
}

.product-hero__info { padding-top: 8px; }
.product-series-badge {
    display: inline-block;
    padding: 5px 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 20px;
    color: var(--orange);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    margin-bottom: 16px;
    transition: all .2s;
}
.product-series-badge:hover {
    background: var(--orange);
    color: #fff;
    border-color: var(--orange);
}
.product-hero__title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}
.product-hero__subtitle {
    font-size: 16px;
    color: var(--grey);
    margin-bottom: 28px;
    line-height: 1.7;
}
.product-hero__features {
    margin-bottom: 28px;
}
.product-hero__features-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--dark);
}
.product-hero__features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.product-hero__features-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: #444;
    border-bottom: 1px solid #f5f5f5;
}
.product-hero__features-list li:last-child { border-bottom: none; }
.feature-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: rgba(237,109,30,.1);
    color: var(--orange);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.product-hero__specs { margin-bottom: 28px; }
.specs-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
}
.specs-table th,
.specs-table td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}
.specs-table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--dark);
    width: 35%;
}
.specs-table td { color: #444; }
.specs-table tr:last-child th,
.specs-table tr:last-child td { border-bottom: none; }

.product-hero__cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 32px;
}
.usion-btn--large {
    padding: 14px 36px;
    font-size: 15px;
}

.product-description {
    padding: 64px 0;
    border-top: 1px solid var(--line);
}
.product-description__content {
    max-width: 800px;
    font-size: 16px;
    line-height: 1.9;
    color: #444;
}
.product-description__content p { margin-bottom: 20px; }
.product-description__content h2 { font-size: 24px; margin: 32px 0 14px; }
.product-description__content h3 { font-size: 20px; margin: 24px 0 12px; }
.product-description__content ul,
.product-description__content ol { padding-left: 24px; margin-bottom: 20px; }
.product-description__content li { margin-bottom: 8px; }

.related-products { padding: 64px 0; }

@media (max-width: 992px) {
    .product-hero__grid { grid-template-columns: 1fr; gap: 32px; }
    .product-hero__gallery { position: static; }
}
@media (max-width: 768px) {
    .product-hero { padding: 32px 0 48px; }
    .product-hero__title { font-size: 24px; }
    .product-hero__cta { flex-direction: column; }
    .product-hero__cta .usion-btn { text-align: center; justify-content: center; }
}

/* ---------- ANIMATIONS ---------- */
.section, .series-card, .product-card, .honor-card, .news-item, .news-feature {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.series-card, .product-card, .honor-card, .news-item { transition-duration: .55s; }
.section.is-revealed, .series-card.is-revealed, .product-card.is-revealed,
.honor-card.is-revealed, .news-item.is-revealed, .news-feature.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.series-grid > *:nth-child(1), .products-grid > *:nth-child(1), .honor-grid > *:nth-child(1) { transition-delay: .05s; }
.series-grid > *:nth-child(2), .products-grid > *:nth-child(2), .honor-grid > *:nth-child(2) { transition-delay: .12s; }
.series-grid > *:nth-child(3), .products-grid > *:nth-child(3), .honor-grid > *:nth-child(3) { transition-delay: .19s; }
.series-grid > *:nth-child(4), .products-grid > *:nth-child(4), .honor-grid > *:nth-child(4) { transition-delay: .26s; }
.series-grid > *:nth-child(5), .products-grid > *:nth-child(5), .honor-grid > *:nth-child(5) { transition-delay: .33s; }
.series-grid > *:nth-child(6), .products-grid > *:nth-child(6), .honor-grid > *:nth-child(6) { transition-delay: .40s; }
.series-grid > *:nth-child(7), .products-grid > *:nth-child(7), .honor-grid > *:nth-child(7) { transition-delay: .47s; }
.series-grid > *:nth-child(8), .products-grid > *:nth-child(8), .honor-grid > *:nth-child(8) { transition-delay: .54s; }

.news-list .news-item:nth-child(1) { transition-delay: .05s; }
.news-list .news-item:nth-child(2) { transition-delay: .1s; }
.news-list .news-item:nth-child(3) { transition-delay: .15s; }
.news-list .news-item:nth-child(4) { transition-delay: .2s; }
.news-list .news-item:nth-child(5) { transition-delay: .25s; }

.section-header {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .6s ease, transform .6s ease;
}
.section.is-revealed .section-header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: .1s;
}

.section-divider {
    transform-origin: center;
    transform: scaleX(0);
    transition: transform .7s cubic-bezier(.22,.61,.36,1) .3s;
}
.section.is-revealed .section-divider { transform: scaleX(1); }

.profile-block__text,
.profile-block__media {
    opacity: 0;
    transition: opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1);
}
.profile-block__text { transform: translateX(-30px); }
.profile-block__media { transform: translateX(30px); }
.section.is-revealed .profile-block__text,
.section.is-revealed .profile-block__media {
    opacity: 1;
    transform: translateX(0);
}
.section.is-revealed .profile-block__media { transition-delay: .15s; }

/* Hero entrance */
.hero__kicker, .hero__title, .hero__subtitle, .hero__cta, .hero__arrow, .hero__dots {
    opacity: 0;
    transform: translateY(16px);
    animation: heroIn .8s cubic-bezier(.22,.61,.36,1) forwards;
}
.hero__kicker   { animation-delay: .2s; }
.hero__title    { animation-delay: .3s; }
.hero__subtitle { animation-delay: .45s; }
.hero__cta      { animation-delay: .6s; }
.hero__arrow    { animation-delay: .75s; }
.hero__dots     { animation-delay: .85s; }
@keyframes heroIn {
    to { opacity: 1; transform: translateY(0); }
}

.hero__slide {
    transform: scale(1.06);
    transition: opacity 1.2s ease, transform 8s ease;
}
.hero__slide.is-active { transform: scale(1); }

/* Footer reveal */
.site-footer {
    opacity: 0;
    transition: opacity .8s ease;
}
.site-footer.is-revealed { opacity: 1; }

/* Back to top bounce */
.back-to-top.is-visible {
    animation: bounceIn .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes bounceIn {
    0% { opacity: 0; transform: translateY(16px) scale(.7); }
    60% { opacity: 1; transform: translateY(-4px) scale(1.05); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
    .section, .series-card, .product-card, .honor-card, .news-item, .news-feature {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ---------- Utilities ---------- */
.alignleft  { float: left;  margin: 0 24px 16px 0; }
.alignright { float: right; margin: 0 0 16px 24px; }
.aligncenter { display: block; margin: 0 auto 24px; }
.text-center { text-align: center; }
/* Form validation */
.usion-form input.error,
.usion-form textarea.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.usion-form .error-message {
    color: #dc3545;
    font-size: 13px;
    margin-top: 4px;
    display: block;
}

.usion-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}