:root {
    --gold: #c6a15b;
    --gold-dark: #a88241;
    --nav: #20252b;
    --nav-soft: #2b3138;
    --text: #333333;
    --text-soft: #666666;
    --line: #e5e5e5;
    --bg: #ffffff;
    --bg-soft: #f7f7f7;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font: 16px/1.8 "Inter", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    overflow-x: hidden;
}

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

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

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

.site-top {
    background: #ffffff;
}

.top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 108px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.brand img {
    width: 124px;
    height: auto;
}

.brand-text span {
    display: block;
    font-size: 26px;
    font-weight: 700;
    line-height: 1.35;
}

.brand-text small {
    display: block;
    color: var(--text-soft);
    font-size: 14px;
}

.top-contact {
    text-align: right;
}

.top-contact span {
    display: block;
    color: var(--text-soft);
    font-size: 13px;
}

.top-contact a {
    color: var(--gold-dark);
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
}

.site-nav {
    background: var(--nav);
}

.nav-inner {
    position: relative;
}

.nav-trigger {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.nav-trigger span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 4px auto;
    background: #fff;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 58px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    min-height: 58px;
    padding: 0 22px;
    color: #ffffff;
    font-size: 16px;
    transition: background-color .25s ease, color .25s ease;
}

.nav-link:hover,
.nav-link.is-active {
    background: var(--gold-dark);
}

.home-banner {
    position: relative;
    overflow: hidden;
    background: #11161c;
}

.home-banner-track {
    position: relative;
    min-height: 560px;
}

.banner-particles,
.banner-orb {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.banner-particles {
    z-index: 1;
    width: 100%;
    height: 100%;
    opacity: 0.9;
}

.banner-orb {
    inset: auto;
    border-radius: 999px;
    filter: blur(14px);
    opacity: 0.28;
    animation: orbFloat 10s ease-in-out infinite;
}

.orb-left {
    top: 88px;
    left: 8%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(198, 161, 91, 0.55) 0%, rgba(198, 161, 91, 0) 72%);
}

.orb-right {
    right: 6%;
    bottom: 92px;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 72%);
    animation-delay: -4s;
}

.home-banner-item {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .45s ease, visibility .45s ease;
}

.home-banner-item.is-active {
    opacity: 1;
    visibility: visible;
}

.home-banner-bg,
.home-banner-mask {
    position: absolute;
    inset: 0;
}

.home-banner-bg {
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: scale(1.04);
    transition: transform 5.2s ease;
}

.home-banner-mask {
    background: linear-gradient(90deg, rgba(20, 22, 25, 0.76) 0%, rgba(20, 22, 25, 0.4) 45%, rgba(20, 22, 25, 0.12) 100%);
}

.home-banner-item.is-active .home-banner-bg {
    transform: scale(1.1);
}

.home-banner-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    min-height: 560px;
}

.home-banner-copy {
    max-width: 560px;
    color: #ffffff;
}

.home-banner-copy h2 {
    margin: 0 0 18px;
    font-size: 48px;
    line-height: 1.2;
    transform: translateY(18px);
    opacity: 0;
    transition: transform .7s ease, opacity .7s ease;
}

.home-banner-copy p {
    margin: 0;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.88);
    transform: translateY(18px);
    opacity: 0;
    transition: transform .8s ease .1s, opacity .8s ease .1s;
}

.banner-actions,
.about-home-contact,
.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 130px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 4px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 500;
    transition: background-color .25s ease, border-color .25s ease, color .25s ease;
}

.home-banner-item.is-active .home-banner-copy h2,
.home-banner-item.is-active .home-banner-copy p,
.home-banner-item.is-active .banner-actions {
    transform: translateY(0);
    opacity: 1;
}

.banner-actions {
    transform: translateY(18px);
    opacity: 0;
    transition: transform .9s ease .2s, opacity .9s ease .2s;
}

.btn-primary {
    background: var(--gold-dark);
    border-color: var(--gold-dark);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--gold);
    border-color: var(--gold);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.banner-controls {
    position: absolute;
    left: 50%;
    bottom: 28px;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 18px;
    transform: translateX(-50%);
}

.banner-arrow {
    position: relative;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.18);
    cursor: pointer;
}

.banner-arrow::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    border-top: 2px solid #ffffff;
    border-right: 2px solid #ffffff;
    transform-origin: center;
}

.banner-arrow[data-banner-prev]::before {
    transform: translate(-35%, -50%) rotate(-135deg);
}

.banner-arrow[data-banner-next]::before {
    transform: translate(-65%, -50%) rotate(45deg);
}

.banner-dots {
    display: flex;
    gap: 10px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
}

.banner-dot.is-active {
    background: var(--gold-dark);
}

.section {
    padding: 72px 0;
}

.split-head,
.core-layout,
.about-home-layout,
.product-detail-top,
.footer-main {
    display: grid;
    gap: 28px;
}

.split-head {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
}

.title-box h2,
.title-classic h2,
.inner-page-title,
.product-detail-info h2,
.inner-title-group h1 {
    margin: 0 0 14px;
    font-size: 34px;
    line-height: 1.3;
}

.title-box p,
.adv-card p,
.product-caption p,
.core-card p,
.about-home-text,
.honor-card p,
.content-body,
.product-detail-info p,
.footer-brand p,
.footer-contact p,
.breadcrumb,
.inner-title-group p {
    color: var(--text-soft);
}

.text-more {
    color: var(--gold-dark);
    font-weight: 600;
}

.advantage-grid,
.product-showcase,
.core-grid,
.honor-grid,
.footer-links,
.content-body .gallery-grid,
.content-body .spec-grid,
.content-body .contact-grid {
    display: grid;
    gap: 24px;
}

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

.adv-card {
    padding: 28px 24px;
    background: var(--bg-soft);
    border-bottom: 3px solid var(--gold-dark);
}

.adv-card h3,
.product-caption h3,
.core-card h3,
.honor-title {
    margin: 0 0 10px;
    font-size: 22px;
    line-height: 1.4;
}

.section-head-classic {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 34px;
}

.title-classic span {
    display: block;
    color: var(--gold-dark);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

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

.product-tile {
    background: #ffffff;
    border: 1px solid var(--line);
    transition: transform .25s ease, box-shadow .25s ease;
}

.product-tile:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.product-tile,
.adv-card,
.core-card,
.honor-card,
.about-home-card,
.inner-content-card,
.product-detail-card {
    position: relative;
    overflow: hidden;
}

.product-tile::after,
.adv-card::after,
.honor-card::after {
    content: "";
    position: absolute;
    top: -40%;
    left: -120%;
    width: 60%;
    height: 180%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.26) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(16deg);
    transition: left .8s ease;
    pointer-events: none;
}

.product-tile:hover::after,
.adv-card:hover::after,
.honor-card:hover::after {
    left: 160%;
}

.product-thumb {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--bg-soft);
}

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

.product-caption {
    padding: 20px 18px 24px;
}

.section-core {
    background: linear-gradient(90deg, #1e242a 0%, #2a3138 100%);
    position: relative;
    overflow: hidden;
}

.core-motion-layer,
.core-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.core-grid-layer {
    background-image:
        linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,.18));
    opacity: 0.42;
    animation: gridPulse 8s ease-in-out infinite;
}

.core-glow {
    border-radius: 999px;
    filter: blur(18px);
    opacity: 0.22;
}

.core-glow-a {
    top: -8%;
    left: 12%;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(198,161,91,0.62) 0%, rgba(198,161,91,0) 72%);
}

.core-glow-b {
    right: 8%;
    bottom: 6%;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 72%);
}

.core-streak {
    width: 46%;
    height: 1px;
    background: linear-gradient(90deg, rgba(198,161,91,0) 0%, rgba(198,161,91,0.52) 48%, rgba(198,161,91,0) 100%);
    opacity: 0.46;
}

.core-streak-a {
    top: 22%;
    left: -8%;
    transform: rotate(-14deg);
    animation: streakMoveA 9s linear infinite;
}

.core-streak-b {
    right: -10%;
    bottom: 24%;
    transform: rotate(18deg);
    animation: streakMoveB 11s linear infinite;
}

.core-particle {
    position: absolute;
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.18) 48%, rgba(255,255,255,0) 72%);
    box-shadow: 0 0 16px rgba(198, 161, 91, 0.35);
    opacity: 0.72;
}

.core-particle.p1 { top: 18%; left: 10%; animation: particleFloat 9s ease-in-out infinite; }
.core-particle.p2 { top: 30%; right: 18%; animation: particleFloat 11s ease-in-out -2s infinite; }
.core-particle.p3 { bottom: 20%; left: 22%; animation: particleFloat 10s ease-in-out -4s infinite; }
.core-particle.p4 { bottom: 28%; right: 8%; animation: particleFloat 12s ease-in-out -1s infinite; }
.core-particle.p5 { top: 52%; left: 56%; animation: particleFloat 8s ease-in-out -3s infinite; }

.section-core::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, rgba(198, 161, 91, 0.09) 0%, rgba(198, 161, 91, 0) 35%),
        radial-gradient(circle at 82% 24%, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 24%);
    pointer-events: none;
}

.title-light h2,
.title-light span,
.title-light {
    color: #ffffff;
}

.core-layout {
    grid-template-columns: 1.2fr .8fr;
    align-items: start;
}

.core-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
}

.core-card {
    padding: 24px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.core-card p {
    color: rgba(255, 255, 255, 0.72);
}

.core-side img {
    width: 100%;
    height: 100%;
    min-height: 380px;
    object-fit: cover;
    transform: translateY(0);
    animation: imageFloat 7s ease-in-out infinite;
}

.section-about-home {
    position: relative;
    overflow: hidden;
    padding: 0;
}

.about-home-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(25, 28, 33, 0.76) 0%, rgba(25, 28, 33, 0.42) 50%, rgba(25, 28, 33, 0.14) 100%), url("/static/upload/image/yibang/about-home-bg.png") center/cover no-repeat;
    transform: scale(1.02);
}

.about-home-layout {
    position: relative;
    z-index: 1;
    grid-template-columns: 1fr 520px;
    min-height: 520px;
    align-items: center;
}

.about-home-card {
    padding: 42px 38px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
}

.about-home-spacer {
    min-height: 1px;
}

.about-home-contact a:first-child {
    color: var(--gold-dark);
    font-size: 28px;
    font-weight: 700;
}

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

.honor-card {
    padding: 28px 24px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.honor-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(168, 130, 65, 0.28);
}

.inner-banner {
    background: linear-gradient(90deg, rgba(31, 36, 43, 0.9) 0%, rgba(31, 36, 43, 0.64) 48%, rgba(31, 36, 43, 0.34) 100%), url("/static/upload/image/yibang/inner-banner-bg.png") center/cover no-repeat;
}

.inner-banner-content {
    display: flex;
    align-items: center;
    min-height: 260px;
}

.inner-title-group {
    color: #ffffff;
}

.inner-title-group p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
}

.breadcrumb-wrap {
    padding-top: 18px;
}

.breadcrumb {
    font-size: 13px;
}

.section-inner-page {
    padding-top: 34px;
}

.inner-content-card,
.product-detail-card {
    padding: 34px;
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: 0 20px 45px rgba(17, 24, 32, 0.05);
}

.product-detail-top {
    grid-template-columns: 420px 1fr;
    align-items: start;
    margin-bottom: 30px;
}

.product-detail-image {
    background: var(--bg-soft);
}

.product-detail-image img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
}

.product-meta {
    margin-bottom: 24px;
}

.content-body h3,
.content-body h4 {
    margin: 30px 0 12px;
    font-size: 24px;
    line-height: 1.4;
}

.content-body p {
    margin: 0 0 14px;
}

.content-body ul {
    margin: 0 0 16px;
    padding-left: 20px;
}

.content-body li {
    margin-bottom: 8px;
}

.content-body .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 22px 0;
}

.content-body .gallery-grid figure {
    margin: 0;
    padding: 18px;
    background: linear-gradient(180deg, #fffefb 0%, #f7f5f0 100%);
    border: 1px solid rgba(168, 130, 65, 0.18);
    box-shadow: 0 16px 34px rgba(17, 24, 32, 0.08);
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.content-body .gallery-grid figure::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 14px;
    padding-left: 12px;
    border-left: 3px solid var(--gold-dark);
    color: var(--gold-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
}

.content-body .gallery-grid figure:hover {
    transform: translateY(-6px);
    border-color: rgba(168, 130, 65, 0.34);
    box-shadow: 0 24px 46px rgba(17, 24, 32, 0.12);
}

.content-body .gallery-grid img {
    width: 100%;
    background: #ffffff;
    border: 1px solid #ebe6da;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.8);
    cursor: zoom-in;
}

.content-body .gallery-grid figure {
    cursor: zoom-in;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 32px;
}

.image-lightbox.is-open {
    display: flex;
}

.image-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(9, 13, 18, 0.88);
}

.image-lightbox-dialog {
    position: relative;
    z-index: 1;
    width: min(100%, 1180px);
    max-height: calc(100vh - 64px);
    padding: 18px;
    background: rgba(19, 24, 30, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.32);
}

.image-lightbox-close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background-color .25s ease, border-color .25s ease, transform .25s ease;
}

.image-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
}

.image-lightbox-nav {
    position: absolute;
    top: 50%;
    z-index: 2;
    width: 52px;
    height: 52px;
    margin-top: -26px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    font-size: 34px;
    line-height: 1;
    cursor: pointer;
    transition: background-color .25s ease, border-color .25s ease, transform .25s ease;
}

.image-lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.36);
    transform: translateY(-2px);
}

.image-lightbox-prev {
    left: 18px;
}

.image-lightbox-next {
    right: 18px;
}

.image-lightbox-figure {
    margin: 0;
}

.image-lightbox-figure img {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: calc(100vh - 150px);
    margin: 0 auto;
    background: #ffffff;
    object-fit: contain;
}

.image-lightbox-figure figcaption {
    margin-top: 14px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 14px;
    text-align: center;
}

.image-lightbox-count {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 13px;
    text-align: center;
}

.content-body .spec-grid,
.content-body .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 22px 0;
}

.content-body .note-box,
.content-body .feature-box,
.content-body .spec-grid div,
.content-body .contact-grid div {
    padding: 18px 20px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
}

.contact-message-section {
    margin-top: 38px;
    padding-top: 34px;
    border-top: 1px solid var(--line);
}

.contact-message-head {
    margin-bottom: 28px;
}

.contact-message-head p,
.message-form-actions p,
.message-side-card p,
.message-feedback {
    color: var(--text-soft);
}

.contact-message-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    align-items: start;
}

.contact-message-side {
    display: grid;
    gap: 18px;
}

.message-side-card,
.contact-message-form {
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(17, 24, 32, 0.06);
}

.message-side-card {
    padding: 24px;
}

.message-side-card h3 {
    margin: 0 0 10px;
    font-size: 20px;
    line-height: 1.4;
}

.contact-message-form {
    padding: 28px;
}

.contact-message-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

.contact-message-grid-code {
    align-items: end;
}

.message-field {
    display: block;
}

.message-field span {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #1f242b;
}

.message-field input,
.message-field textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d9dde3;
    border-radius: 4px;
    outline: none;
    background: #ffffff;
    color: var(--text);
    font: inherit;
    transition: border-color .25s ease, box-shadow .25s ease;
}

.message-field textarea {
    min-height: 154px;
    resize: vertical;
}

.message-field input:focus,
.message-field textarea:focus {
    border-color: var(--gold-dark);
    box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.12);
}

.message-code-box {
    display: flex;
    align-items: center;
    min-height: 52px;
}

.message-codeimg {
    display: block;
    width: 140px;
    height: 52px;
    border: 1px solid var(--line);
    border-radius: 4px;
    cursor: pointer;
    background: #f7f7f7;
}

.message-form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 24px;
}

.message-form-actions p {
    margin: 0;
    font-size: 14px;
}

.message-feedback {
    display: none;
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.7;
}

.message-feedback.is-success {
    display: block;
    color: #0b6b38;
    background: rgba(15, 135, 79, 0.08);
    border: 1px solid rgba(15, 135, 79, 0.16);
}

.message-feedback.is-error {
    display: block;
    color: #a34219;
    background: rgba(214, 108, 58, 0.08);
    border: 1px solid rgba(214, 108, 58, 0.18);
}

[data-reveal] {
    opacity: 0;
    transition: transform .8s cubic-bezier(.2,.65,.2,1), opacity .8s ease;
    will-change: transform, opacity;
}

[data-reveal="up"] {
    transform: translate3d(0, 34px, 0);
}

[data-reveal="right"] {
    transform: translate3d(34px, 0, 0);
}

[data-reveal="left"] {
    transform: translate3d(-34px, 0, 0);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.adv-card,
.core-card,
.honor-card,
.product-tile {
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.adv-card:hover,
.core-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.core-card:hover {
    border-color: rgba(198, 161, 91, 0.32);
}

@keyframes orbFloat {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(0, -18px, 0) scale(1.06); }
}

@keyframes imageFloat {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(0, -10px, 0); }
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.28; transform: scale(1); }
    50% { opacity: 0.44; transform: scale(1.015); }
}

@keyframes streakMoveA {
    0% { transform: translate3d(-8%, 0, 0) rotate(-14deg); opacity: 0; }
    15% { opacity: 0.42; }
    70% { opacity: 0.42; }
    100% { transform: translate3d(26%, -12px, 0) rotate(-14deg); opacity: 0; }
}

@keyframes streakMoveB {
    0% { transform: translate3d(12%, 0, 0) rotate(18deg); opacity: 0; }
    18% { opacity: 0.36; }
    72% { opacity: 0.36; }
    100% { transform: translate3d(-22%, 14px, 0) rotate(18deg); opacity: 0; }
}

@keyframes particleFloat {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); opacity: 0.45; }
    50% { transform: translate3d(0, -14px, 0) scale(1.22); opacity: 0.88; }
}

.site-footer {
    background: #1b1f24;
    color: rgba(255, 255, 255, 0.78);
}

.footer-main {
    grid-template-columns: 1.1fr .9fr .9fr;
    padding: 52px 0 40px;
}

.footer-main h3,
.footer-main h4 {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: 24px;
}

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

.footer-links a,
.footer-contact a {
    color: #ffffff;
}

.footer-copy {
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    font-size: 13px;
}

.mobile-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    display: none;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    background: var(--nav);
}

.mobile-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    color: #ffffff;
    font-size: 13px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 1199px) {
    .split-head,
    .core-layout,
    .about-home-layout,
    .product-detail-top,
    .footer-main {
        grid-template-columns: 1fr;
    }

    .advantage-grid,
    .product-showcase,
    .core-grid,
    .honor-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-home-layout {
        min-height: 0;
        padding: 72px 0;
    }

    .about-home-spacer {
        display: none;
    }

    .contact-message-layout,
    .contact-message-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .top-inner {
        min-height: 78px;
    }

    .brand img {
        width: 82px;
    }

    .brand-text span {
        font-size: 18px;
    }

    .brand-text small {
        font-size: 12px;
    }

    .top-contact a {
        font-size: 20px;
    }

    .nav-inner {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        min-height: 58px;
    }

    .nav-trigger {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 58px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        background: var(--nav);
    }

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

    .nav-link {
        width: 100%;
        min-width: 0;
        justify-content: flex-start;
        padding: 0 18px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .home-banner-track,
    .home-banner-content {
        min-height: 360px;
    }

    .core-glow-a {
        left: -6%;
        width: 140px;
        height: 140px;
    }

    .core-glow-b {
        right: -8%;
        width: 180px;
        height: 180px;
    }

    .core-streak {
        width: 72%;
    }

    .orb-left {
        top: 52px;
        left: -22px;
        width: 120px;
        height: 120px;
    }

    .orb-right {
        right: -28px;
        bottom: 56px;
        width: 150px;
        height: 150px;
    }

    .home-banner-copy h2 {
        font-size: 28px;
    }

    .home-banner-copy p {
        font-size: 15px;
    }

    .banner-controls {
        bottom: 18px;
    }

    .section {
        padding: 52px 0;
    }

    .advantage-grid,
    .product-showcase,
    .core-grid,
    .honor-grid,
    .footer-links,
    .content-body .gallery-grid,
    .content-body .spec-grid,
    .content-body .contact-grid {
        grid-template-columns: 1fr;
    }

    .section-head-classic {
        flex-direction: column;
        align-items: flex-start;
    }

    .inner-content-card,
    .product-detail-card,
    .about-home-card {
        padding: 24px;
    }

    .contact-message-form,
    .message-side-card {
        padding: 20px;
    }

    .message-form-actions {
        align-items: flex-start;
        flex-direction: column;
    }

    .image-lightbox {
        padding: 16px;
    }

    .image-lightbox-dialog {
        padding: 14px;
    }

    .image-lightbox-close {
        top: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
    }

    .image-lightbox-nav {
        width: 42px;
        height: 42px;
        margin-top: -21px;
        font-size: 28px;
    }

    .image-lightbox-prev {
        left: 10px;
    }

    .image-lightbox-next {
        right: 10px;
    }

    .mobile-bar {
        display: grid;
    }

    body {
        padding-bottom: 50px;
    }
}