/* ========== RESET & BASE ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
            "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
            background: #F8F4EC;
            color: #1B1712;
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        /* ========== DESIGN TOKENS ========== */
        :root {
            --bg: #F8F4EC;
            --bg-white: #FFFFFF;
            --bg-dark: #101010;
            --bg-dark-2: #1A1A1A;
            --gold: #32C6FF;
            --gold-light: #32C6FF;
            --text: #1B1712;
            --text-secondary: #7B7164;
            --text-light: #9B9184;
            --border: #E8E0D0;
            --border-dark: #2A2A2A;
            --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
            --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
            "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
            --section-py: 100px;
            --content-w: 1280px;
        }

        /* ========== UTILITIES ========== */
        .container {
            max-width: var(--content-w);
            margin: 0 auto;
            padding: 0 40px;
        }

        .section-label {
            font-family: var(--sans);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 16px;
        }

        .section-title {
            font-family: var(--serif);
            font-size: 42px;
            font-weight: 400;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 20px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.8;
        }

        .text-center {
            text-align: center;
        }

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== NAVIGATION ========== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px) saturate(160%);
            -webkit-backdrop-filter: blur(16px) saturate(160%);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
        }

        .nav.scrolled {
            background: rgba(255, 255, 255, 0.68);
            backdrop-filter: blur(22px) saturate(180%);
            -webkit-backdrop-filter: blur(22px) saturate(180%);
            box-shadow: 0 4px 24px rgba(27, 23, 18, 0.08);
            border-bottom-color: rgba(232, 224, 208, 0.6);
        }

        .nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
            height: 72px;
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo img {
            height: 44px;
            width: auto;
            display: block;
        }

        .nav-menu {
            display: flex;
            align-items: stretch;
            height: 100%;
            gap: 2px;
            list-style: none;
            flex: 1;
            justify-content: flex-start;
        }

        .nav-menu li {
            display: flex;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            font-size: 15px;
            color: #3A352D;
            font-weight: 500;
            position: relative;
            padding: 0 12px;
            white-space: nowrap;
            transition: color 0.2s;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            border-radius: 2px 2px 0 0;
            background: #32C6FF;
            opacity: 0;
            transition: opacity 0.25s;
        }

        .nav-menu a:hover {
            color: #32C6FF;
        }

        .nav-menu a:hover::after {
            opacity: 1;
        }

        .nav-menu a.active {
            color: #32C6FF;
        }

        .nav-menu a.active::after {
            opacity: 1;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-mobile-lang {
            display: none !important;
        }

        .nav-lang {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: color 0.2s;
            white-space: nowrap;
            padding-left: 20px;
            border-left: 1px solid var(--border);
        }

        .nav-lang .sep {
            margin: 0 10px;
            color: #C9C0B0;
        }

        .nav-lang:hover {
            color: #32C6FF;
        }

        .nav-lang .active {
            color: var(--text);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 62vh;
            max-height: 560px;
            display: flex;
            align-items: center;
            padding-top: 72px;
            padding-bottom: 40px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

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

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg,
            rgba(16, 16, 16, 0.88) 0%,
            rgba(16, 16, 16, 0.72) 40%,
            rgba(16, 16, 16, 0.35) 70%,
            rgba(16, 16, 16, 0.15) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: var(--content-w);
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        .hero-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 4px;
            color: var(--gold-light);
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .hero-title {
            font-family: var(--serif);
            font-size: 52px;
            font-weight: 400;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 10px;
        }

        .hero-title-en {
            font-size: 18px;
            font-weight: 300;
            letter-spacing: 5px;
            color: var(--gold-light);
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: var(--gold);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 1px;
            border-radius: 2px;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 1px;
            border-radius: 2px;
            transition: all 0.3s;
        }

        .btn-outline:hover {
            border-color: var(--gold-light);
            color: var(--gold-light);
        }

        .hero-scroll {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 11px;
            letter-spacing: 3px;
            text-transform: uppercase;
        }

        .hero-scroll-line {
            width: 1px;
            height: 40px;
            background: linear-gradient(to bottom, var(--gold-light), transparent);
            animation: scrollPulse 2s ease-in-out infinite;
        }

        @keyframes scrollPulse {
            0%, 100% {
                opacity: 0.3;
                transform: scaleY(0.6);
            }
            50% {
                opacity: 1;
                transform: scaleY(1);
            }
        }

        /* ========== STATS BAR ========== */
        .stats {
            background: var(--bg-dark);
            padding: 56px 0;
        }

        .stats-grid {
            max-width: var(--content-w);
            margin: 0 auto;
            padding: 0 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .stat-item {
            text-align: center;
            position: relative;
            padding: 0 20px;
        }

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 48px;
            background: var(--border-dark);
        }

        .stat-number {
            font-family: var(--serif);
            font-size: 48px;
            font-weight: 400;
            color: var(--gold-light);
            line-height: 1;
            margin-bottom: 12px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 1px;
        }

        .stat-label-en {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 2px;
            margin-top: 4px;
            text-transform: uppercase;
        }

        /* ========== SECTION SHARED ========== */
        .section {
            padding: var(--section-py) 0;
        }

        .section--white {
            background: var(--bg-white);
        }

        .section--cream {
            background: var(--bg);
        }

        .section--dark {
            background: var(--bg-dark);
            color: #fff;
        }

        .section--dark .section-title {
            color: #fff;
        }

        .section--dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-header {
            margin-bottom: 56px;
        }

        .section-header--with-link {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
        }

        .view-all {
            font-size: 14px;
            color: var(--gold);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s;
            white-space: nowrap;
        }

        .view-all:hover {
            gap: 12px;
        }

        /* ========== NEWS CARDS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.4s ease;
            cursor: pointer;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 50px rgba(27, 23, 18, 0.08);
            border-color: var(--gold);
        }

        .news-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }

        .news-card-body {
            padding: 28px;
        }

        .news-date {
            font-size: 12px;
            color: var(--gold);
            letter-spacing: 2px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== CASES GRID ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .case-card {
            position: relative;
            aspect-ratio: 3/4;
            border-radius: 4px;
            overflow: hidden;
            cursor: pointer;
        }

        .case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .case-card:hover img {
            transform: scale(1.08);
        }

        .case-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(16, 16, 16, 0.85) 0%, rgba(16, 16, 16, 0.1) 50%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
            transition: background 0.4s;
        }

        .case-card:hover .case-card-overlay {
            background: linear-gradient(to top, rgba(16, 16, 16, 0.92) 0%, rgba(16, 16, 16, 0.3) 60%, transparent 100%);
        }

        .case-tag {
            font-size: 10px;
            color: var(--gold-light);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .case-name {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .case-location {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== ABOUT SECTION ========== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .about-img {
            position: relative;
            border-radius: 4px;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

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

        .about-img-badge {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 20px 28px;
            border-radius: 4px;
            border-left: 3px solid var(--gold);
        }

        .about-img-badge .year {
            font-family: var(--serif);
            font-size: 32px;
            color: var(--gold);
            line-height: 1;
        }

        .about-img-badge .label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 2px;
            margin-top: 6px;
        }

        .about-text .section-title {
            margin-bottom: 24px;
        }

        .about-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .about-stats {
            display: flex;
            gap: 40px;
            margin: 36px 0;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }

        .about-stat .num {
            font-family: var(--serif);
            font-size: 32px;
            color: var(--text);
        }

        .about-stat .lbl {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .about-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--gold);
            transition: gap 0.3s;
        }

        .about-link:hover {
            gap: 14px;
        }

        /* ========== PHILOSOPHY ========== */
        .section--compact {
            padding: 60px 0;
        }

        .section--compact .section-header {
            margin-bottom: 32px;
        }

        .section--compact .section-title {
            font-size: 32px;
            margin-bottom: 10px;
        }

        .section--compact .section-subtitle {
            font-size: 15px;
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            max-width: 1080px;
            margin: 0 auto;
        }

        .value-item {
            text-align: center;
            padding: 20px 24px;
            position: relative;
        }

        .value-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-dark);
        }

        .value-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border: 1px solid var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.4s;
        }

        .value-item:hover .value-icon {
            background: var(--gold);
            transform: scale(1.1);
        }

        .value-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--gold-light);
            fill: none;
            stroke-width: 1.5;
            transition: stroke 0.4s;
        }

        .value-item:hover .value-icon svg {
            stroke: #fff;
        }

        .value-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .value-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

        /* ========== BRANDS ========== */
        .brand-tabs {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .brand-tab {
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            border-radius: 2px;
            background: transparent;
            transition: all 0.3s;
            cursor: pointer;
        }

        .brand-tab:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .brand-tab.active {
            background: var(--bg-dark);
            color: #fff;
            border-color: var(--bg-dark);
        }

        .brand-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .brand-item {
            aspect-ratio: 3/2;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 20px;
            transition: all 0.3s;
            cursor: pointer;
        }

        .brand-item:hover {
            border-color: var(--gold);
            background: #fff;
            box-shadow: 0 8px 24px rgba(185, 151, 91, 0.12);
            transform: translateY(-3px);
        }

        .brand-logo-text {
            font-family: var(--serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 1px;
        }

        .brand-logo-sub {
            font-size: 10px;
            color: var(--text-light);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .brand-item.software .brand-logo-text {
            font-family: var(--sans);
            font-size: 15px;
            font-weight: 600;
        }

        /* ========== STORES ========== */
        .stores-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .store-card {
            background: var(--bg-white);
            border-radius: 4px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.4s;
        }

        .store-card:hover {
            box-shadow: 0 20px 50px rgba(27, 23, 18, 0.08);
            transform: translateY(-4px);
        }

        .store-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .store-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }

        .store-card:hover .store-img img {
            transform: scale(1.05);
        }

        .store-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--gold);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 16px;
            letter-spacing: 2px;
            border-radius: 2px;
        }

        .store-body {
            padding: 32px;
        }

        .store-name {
            font-family: var(--serif);
            font-size: 26px;
            font-weight: 400;
            color: var(--text);
            margin-bottom: 20px;
        }

        .store-info {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .store-info-row {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .store-info-row svg {
            width: 18px;
            height: 18px;
            stroke: var(--gold);
            fill: none;
            stroke-width: 1.5;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .store-phone {
            color: var(--gold);
            font-weight: 600;
            font-size: 16px;
        }

        /* ========== SERVICE ========== */
        .service-bg {
            position: relative;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
            max-width: 1080px;
            margin: 0 auto;
        }

        .service-item {
            text-align: center;
            padding: 20px 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 6px;
            transition: all 0.3s;
        }

        .service-item:hover {
            border-color: var(--gold);
            box-shadow: 0 10px 28px rgba(185, 151, 91, 0.12);
            transform: translateY(-3px);
        }

        .service-icon {
            width: 40px;
            height: 40px;
            margin: 0 auto 10px;
            border: 1px solid var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .service-icon svg {
            width: 18px;
            height: 18px;
            stroke: var(--gold);
            fill: none;
            stroke-width: 1.5;
        }

        .service-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .service-desc {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

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

        .service-bg .section-header {
            margin-bottom: 26px;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #08080A;
            padding: 80px 0 0;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 60px;
            padding-bottom: 60px;
            border-bottom: 1px solid #1A1A1A;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .footer-brand-logo .nav-logo-en {
            color: #fff;
        }

        .footer-brand-logo .nav-logo-cn {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border: 1px solid #2A2A2A;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .footer-social a:hover {
            border-color: var(--gold);
            background: var(--gold);
        }

        .footer-social svg {
            width: 16px;
            height: 16px;
            fill: rgba(255, 255, 255, 0.6);
        }

        .footer-social a:hover svg {
            fill: #fff;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--gold-light);
        }

        .footer-contact-row {
            display: flex;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-contact-row a {
            transition: color 0.2s;
        }

        .footer-contact-row a:hover {
            color: var(--gold-light);
        }

        .footer-contact-row svg {
            width: 16px;
            height: 16px;
            stroke: var(--gold);
            fill: none;
            stroke-width: 1.5;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.3);
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }

        /* ========== MOBILE NAV TOGGLE ========== */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 24px;
            background: #3A352D;
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

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

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

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

        .nav-mobile-lang {
            display: none;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .nav-menu a {
                font-size: 14px;
                padding: 0 8px;
            }

            .nav-inner {
                gap: 16px;
            }

            .nav-logo img {
                height: 40px;
            }
        }

        @media (max-width: 1024px) {
            :root {
                --section-py: 72px;
            }

            .nav-lang {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                height: auto;
                gap: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(22px) saturate(180%);
                -webkit-backdrop-filter: blur(22px) saturate(180%);
                box-shadow: 0 16px 40px rgba(27, 23, 18, 0.12);
                border-bottom: 1px solid var(--border);
                max-height: 0;
                overflow: hidden;
                opacity: 0;
                padding: 0 24px;
                transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.35s ease;
            }

            .nav-menu.open {
                max-height: 75vh;
                opacity: 1;
                padding: 10px 24px 20px;
                overflow-y: auto;
            }

            .nav-menu li {
                display: block;
            }

            .nav-menu a {
                padding: 14px 2px;
                font-size: 15px;
                border-bottom: 1px solid rgba(232, 224, 208, 0.7);
            }

            .nav-menu li:last-child a {
                border-bottom: none;
            }

            .nav-menu a::after {
                display: none;
            }

            .hero-title {
                font-size: 38px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 0;
            }

            .stat-item:nth-child(2)::after {
                display: none;
            }

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

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

            .about-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }

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

            .value-item:nth-child(2)::after {
                display: none;
            }

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

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 640px) {
            .container, .nav-inner, .hero-content, .stats-grid {
                padding-left: 20px;
                padding-right: 20px;
            }

            .nav-menu, .nav-menu.open {
                padding-left: 20px;
                padding-right: 20px;
            }

            :root {
                --section-py: 56px;
            }

            .section-title {
                font-size: 30px;
            }

            .hero-title {
                font-size: 36px;
            }

            .hero-title-en {
                font-size: 16px;
                letter-spacing: 3px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-btns {
                flex-direction: column;
            }

            .btn-primary, .btn-outline {
                justify-content: center;
            }

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

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

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

            .value-item::after {
                display: none !important;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
                padding-bottom: 36px;
                text-align: left;
            }

            .footer-col:first-child {
                grid-column: 1 / -1;
                text-align: center;
            }

            .footer-brand-logo {
                justify-content: center;
                margin-bottom: 16px;
            }

            .footer-brand-logo img {
                height: 40px !important;
            }

            .footer-desc {
                font-size: 13px;
                line-height: 1.9;
                margin: 0 auto 20px;
                max-width: 320px;
                color: rgba(255, 255, 255, 0.5);
            }

            .footer-social {
                justify-content: center;
                gap: 14px;
            }

            .footer-social a {
                width: 38px;
                height: 38px;
            }

            .footer-social svg {
                width: 17px;
                height: 17px;
            }

            .footer-col h4 {
                font-size: 13px;
                letter-spacing: 2px;
                margin-bottom: 14px;
            }

            .footer-col:nth-child(4) {
                grid-column: 1 / -1;
                background: rgba(255, 255, 255, 0.04);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 10px;
                padding: 20px;
            }

            .footer-col:nth-child(4) h4 {
                margin-bottom: 16px;
            }

            .footer-contact-row {
                margin-bottom: 12px;
                font-size: 13px;
                line-height: 1.7;
            }

            .footer-contact-row:last-child {
                margin-bottom: 0;
            }

            .footer-links {
                gap: 10px;
            }

            .footer-links a {
                font-size: 13px;
                color: rgba(255, 255, 255, 0.55);
            }

            .footer-bottom {
                gap: 10px;
                padding: 20px 0 28px;
                font-size: 12px;
            }

            .footer-bottom-links {
                gap: 16px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .footer-bottom-links a {
                font-size: 12px;
            }

            .about-stats {
                flex-wrap: wrap;
                gap: 24px;
            }

            .stat-number {
                font-size: 36px;
            }

            .section-header--with-link {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
        }

        /* ========== PRINT ========== */
        @media print {
            .nav, .hero-scroll, .footer-social {
                display: none;
            }

            body {
                background: #fff;
                color: #000;
            }

            .section {
                padding: 40px 0;
                page-break-inside: avoid;
            }
        }

        /* ========== ACOUSTIC PAGE ========== */
        .ac-wrap {
            max-width: var(--content-w);
            margin: 0 auto;
            padding: 0 32px;
        }

        .ac-tiny {
            font-size: 10px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--gold);
            font-weight: 600;
        }

        /* HERO */
        .ac-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .ac-hero-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(rgba(16, 16, 16, .80), rgba(16, 16, 16, .58)), url('https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=1920&q=80') center/cover;
        }

        .ac-hero-in {
            position: relative;
            z-index: 2;
            max-width: var(--content-w);
            margin: 0 auto;
            padding: 110px 32px 70px;
            width: 100%;
        }

        .ac-crumb {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 22px;
            letter-spacing: .5px;
        }

        .ac-crumb a {
            color: rgba(255, 255, 255, .55);
            text-decoration: none;
            transition: color .3s;
        }

        .ac-crumb a:hover {
            color: var(--gold-light);
        }

        .ac-crumb span {
            margin: 0 8px;
            opacity: .5;
        }

        .ac-hero-tag {
            display: inline-block;
            font-size: 10px;
            letter-spacing: 5px;
            text-transform: uppercase;
            color: var(--gold);
            font-weight: 600;
            border: 1px solid rgba(185, 151, 91, .5);
            padding: 7px 16px;
            border-radius: 30px;
            margin-bottom: 22px;
        }

        .ac-hero h1 {
            font-family: var(--serif);
            font-size: 46px;
            font-weight: 400;
            color: #fff;
            letter-spacing: 3px;
            margin-bottom: 16px;
        }

        .ac-hero p {
            font-size: 15px;
            color: rgba(255, 255, 255, .62);
            line-height: 1.9;
            max-width: 640px;
        }

        .ac-hero-line {
            width: 64px;
            height: 2px;
            background: var(--gold);
            margin-top: 26px;
        }

        /* SECTION */
        .ac-sec {
            padding: 88px 0;
        }

        .ac-alt {
            background: var(--bg-white);
        }

        .ac-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .ac-head .ac-tiny {
            display: block;
            margin-bottom: 14px;
        }

        .ac-head h2 {
            font-family: var(--serif);
            font-size: 34px;
            font-weight: 400;
            color: var(--text);
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        .ac-head p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 680px;
            margin: 0 auto;
        }

        .ac-head-line {
            width: 56px;
            height: 2px;
            background: var(--gold);
            margin: 18px auto 0;
        }

        /* INTRO */
        .ac-intro {
            max-width: 880px;
            margin: 0 auto;
        }

        .ac-intro p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 2.2;
            margin: 0 0 26px;
        }

        .ac-intro p strong {
            color: var(--text);
            font-weight: 600;
        }

        .ac-pull {
            border-left: 3px solid var(--gold);
            background: var(--bg);
            border-radius: 0 12px 12px 0;
            padding: 22px 30px;
            margin: 8px 0 44px;
            font-family: var(--serif);
            font-size: 17px;
            color: var(--text);
            line-height: 2;
            letter-spacing: .5px;
        }

        .ac-pull span {
            display: block;
            margin-top: 6px;
            font-family: var(--sans);
            font-size: 10px;
            letter-spacing: 3px;
            color: var(--gold);
            text-transform: uppercase;
        }

        /* INFOGRAPHIC CARD */
        .ac-infocard {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 20px 50px rgba(27, 23, 18, .10);
        }

        .ac-infocard img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }

        .ac-infocard-cap {
            text-align: center;
            padding-top: 18px;
        }

        .ac-infocard-cap b {
            display: block;
            font-size: 15px;
            color: var(--text);
            letter-spacing: 1.5px;
            font-weight: 600;
        }

        .ac-infocard-cap span {
            display: block;
            margin-top: 5px;
            font-size: 10px;
            letter-spacing: 3px;
            color: var(--text-light);
            text-transform: uppercase;
        }

        .ac-center {
            max-width: 780px;
            margin: 0 auto;
        }

        /* CASE */
        .ac-case {
            display: grid;
            grid-template-columns:1.05fr .95fr;
            gap: 56px;
            align-items: start;
        }

        .ac-case h3 {
            font-family: var(--serif);
            font-size: 22px;
            font-weight: 400;
            color: var(--text);
            letter-spacing: 1.5px;
            margin-bottom: 18px;
        }

        .ac-case p.fs {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 2.1;
            margin-bottom: 24px;
        }

        .ac-fact {
            display: flex;
            gap: 16px;
            padding: 13px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .ac-fact b {
            width: 84px;
            flex-shrink: 0;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 1px;
        }

        .ac-fact span {
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .ac-block-title {
            font-size: 12px;
            letter-spacing: 3px;
            color: var(--gold);
            font-weight: 600;
            margin: 30px 0 14px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ac-block-title::after {
            content: "";
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        .ac-note {
            background: var(--bg);
            border-radius: 12px;
            padding: 18px 24px;
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 2.0;
        }

        .ac-note strong {
            color: var(--text);
            font-weight: 600;
        }

        .ac-rt {
            width: 100%;
            border-collapse: collapse;
            font-size: 13.5px;
            background: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(27, 23, 18, .07);
        }

        .ac-rt th {
            background: var(--bg-dark);
            color: #fff;
            font-size: 12px;
            letter-spacing: 2px;
            padding: 13px 18px;
            text-align: left;
            font-weight: 600;
        }

        .ac-rt td {
            padding: 13px 18px;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
        }

        .ac-rt tr:last-child td {
            border-bottom: none;
        }

        .ac-rt td:first-child {
            color: var(--text);
            font-weight: 600;
            white-space: nowrap;
        }

        .ac-rt td:last-child {
            color: var(--gold);
            font-weight: 600;
            font-family: var(--serif);
            white-space: nowrap;
        }

        .plan-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 22px;
            box-shadow: 0 20px 50px rgba(27, 23, 18, .10);
            position: sticky;
            top: 96px;
        }

        .plan-card img {
            width: 100%;
            border-radius: 10px;
            display: block;
        }

        .plan-cap {
            text-align: center;
            padding-top: 16px;
        }

        .plan-cap b {
            display: block;
            font-size: 14px;
            letter-spacing: 1.5px;
            color: var(--text);
        }

        .plan-cap span {
            display: block;
            margin-top: 4px;
            font-size: 10px;
            letter-spacing: 3px;
            color: var(--text-light);
            text-transform: uppercase;
        }

        /* SOLUTION CARDS */
        .ac-sol {
            display: grid;
            grid-template-columns:repeat(4, 1fr);
            gap: 22px;
        }

        .ac-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 30px 26px;
            transition: all .35s;
        }

        .ac-card:hover {
            border-color: rgba(185, 151, 91, .55);
            transform: translateY(-5px);
            box-shadow: 0 18px 40px rgba(27, 23, 18, .09);
        }

        .ac-card .num {
            font-family: var(--serif);
            font-size: 15px;
            color: var(--gold);
            letter-spacing: 3px;
            font-weight: 600;
        }

        .ac-card h4 {
            font-size: 17px;
            color: var(--text);
            margin: 12px 0 10px;
            letter-spacing: 1px;
            font-weight: 600;
        }

        .ac-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 2.0;
        }

        /* STATS BAND */
        .ac-stats {
            position: relative;
            background: var(--bg-dark);
            padding: 92px 0;
            overflow: hidden;
        }

        .ac-stats::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 60% 90% at 50% 0%, rgba(185, 151, 91, .15) 0%, transparent 70%);
        }

        .ac-stats::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(185, 151, 91, .16) 1px, transparent 1px);
            background-size: 26px 26px;
            opacity: .5;
        }

        .ac-stats .ac-wrap {
            position: relative;
            z-index: 2;
        }

        .ac-stats-tag {
            display: block;
            text-align: center;
            font-size: 10px;
            letter-spacing: 5px;
            text-transform: uppercase;
            color: var(--gold);
            font-weight: 600;
        }

        .ac-stats h2 {
            text-align: center;
            font-family: var(--serif);
            font-size: 34px;
            font-weight: 400;
            color: #fff;
            letter-spacing: 2px;
            margin: 16px 0 0;
        }

        .ac-stat-grid {
            display: grid;
            grid-template-columns:repeat(4, 1fr);
            margin-top: 56px;
        }

        .ac-stat {
            text-align: center;
            padding: 10px 20px;
            border-right: 1px solid rgba(255, 255, 255, .09);
        }

        .ac-stat:last-child {
            border-right: none;
        }

        .ac-stat .v {
            font-family: var(--serif);
            font-size: 56px;
            color: #fff;
            font-weight: 400;
            line-height: 1.1;
        }

        .ac-stat .v i {
            font-style: normal;
            color: var(--gold-light);
            font-size: 30px;
            margin-left: 3px;
        }

        .ac-stat .u {
            display: block;
            font-size: 14px;
            color: var(--gold-light);
            letter-spacing: 2px;
            margin-top: 10px;
            font-weight: 600;
        }

        .ac-stat .l {
            display: block;
            font-size: 10px;
            color: rgba(255, 255, 255, .42);
            letter-spacing: 2.5px;
            text-transform: uppercase;
            margin-top: 6px;
        }

        .ac-stats-note {
            text-align: center;
            color: rgba(255, 255, 255, .42);
            font-size: 13px;
            margin-top: 48px;
            letter-spacing: 1px;
            line-height: 1.9;
        }

        /* SCOPE */
        .ac-scope {
            display: grid;
            grid-template-columns:repeat(2, 1fr);
            gap: 14px 28px;
        }

        .ac-scope-item {
            display: flex;
            gap: 16px;
            align-items: baseline;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 16px 22px;
            font-size: 14.5px;
            color: var(--text);
            transition: all .3s;
        }

        .ac-scope-item:hover {
            border-color: rgba(185, 151, 91, .5);
            background: #FDFBF6;
        }

        .ac-scope-item i {
            font-style: normal;
            font-family: var(--serif);
            color: var(--gold);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            width: 26px;
            flex-shrink: 0;
        }

        /* DEPLOY DARK CARD */
        .ac-deploy {
            background: var(--bg-dark);
            border-radius: 16px;
            padding: 40px 46px;
            margin-top: 30px;
            position: relative;
            overflow: hidden;
        }

        .ac-deploy::before {
            content: "";
            position: absolute;
            top: 0;
            left: 46px;
            width: 56px;
            height: 3px;
            background: var(--gold);
            border-radius: 0 0 4px 4px;
        }

        .ac-deploy h4 {
            font-family: var(--serif);
            font-size: 20px;
            color: #fff;
            font-weight: 400;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        .ac-deploy p {
            font-size: 14px;
            color: rgba(255, 255, 255, .62);
            line-height: 2.2;
        }

        .ac-deploy p b {
            color: var(--gold-light);
            font-weight: 600;
        }

        /* STANDARDS */
        .ac-std {
            display: grid;
            grid-template-columns:repeat(2, 1fr);
            gap: 12px 36px;
            list-style: none;
        }

        .ac-std li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 11px 0;
            border-bottom: 1px dashed var(--border);
        }

        .ac-std li::before {
            content: "";
            width: 7px;
            height: 7px;
            background: var(--gold);
            border-radius: 50%;
            margin-top: 8px;
            flex-shrink: 0;
            opacity: .8;
        }

        .ac-std li b {
            color: var(--text);
            font-weight: 600;
        }

        .ac-std-hot {
            color: var(--gold) !important;
            font-weight: 600;
        }

        /* MATERIALS TABLE */
        .ac-mat {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-white);
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 16px 44px rgba(27, 23, 18, .09);
        }

        .ac-mat th {
            background: var(--bg-dark);
            color: #fff;
            font-size: 12px;
            letter-spacing: 2.5px;
            padding: 17px 24px;
            text-align: left;
            font-weight: 600;
            text-transform: uppercase;
        }

        .ac-mat td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.95;
            vertical-align: top;
        }

        .ac-mat tr:nth-child(even) td {
            background: #FBF8F2;
        }

        .ac-mat tr:last-child td {
            border-bottom: none;
        }

        .ac-mat td:first-child {
            white-space: nowrap;
            color: var(--gold);
            font-weight: 600;
            width: 180px;
        }

        .ac-req {
            background: var(--bg);
            border-radius: 14px;
            padding: 28px 34px;
            margin-top: 28px;
        }

        .ac-req h4 {
            font-size: 15px;
            color: var(--text);
            letter-spacing: 2px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ac-req h4::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--gold);
        }

        .ac-req ul {
            list-style: none;
        }

        .ac-req li {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 7px 0 7px 22px;
            position: relative;
        }

        .ac-req li::before {
            content: "—";
            position: absolute;
            left: 0;
            color: var(--gold);
        }

        /* DARK QUOTE */
        .ac-quote {
            background: var(--bg-dark);
            border-radius: 16px;
            padding: 52px 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
            max-width: 920px;
            margin: 56px auto 0;
        }

        .ac-quote::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 70% 100% at 50% 0%, rgba(185, 151, 91, .16) 0%, transparent 70%);
        }

        .ac-quote .in {
            position: relative;
            z-index: 1;
        }

        .ac-quote .tag {
            display: inline-block;
            font-size: 10px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--gold);
            font-weight: 600;
            margin-bottom: 20px;
        }

        .ac-quote p {
            font-family: var(--serif);
            font-size: 21px;
            color: #fff;
            line-height: 2.0;
            letter-spacing: 1px;
            font-weight: 400;
        }

        .ac-quote p em {
            font-style: normal;
            color: var(--gold-light);
        }

        /* DRAWINGS */
        .ac-draws {
            display: grid;
            grid-template-columns:1fr 1.7fr;
            gap: 26px;
            margin-top: 56px;
        }

        .dr-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px;
            box-shadow: 0 16px 40px rgba(27, 23, 18, .08);
            display: flex;
            flex-direction: column;
        }

        .dr-card img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: auto 0;
        }

        .dr-cap {
            text-align: center;
            padding-top: 16px;
        }

        .dr-cap b {
            display: block;
            font-size: 13.5px;
            color: var(--text);
            letter-spacing: 1px;
        }

        .dr-cap span {
            display: block;
            margin-top: 4px;
            font-size: 10px;
            letter-spacing: 2.5px;
            color: var(--text-light);
            text-transform: uppercase;
        }

        /* CTA */
        .ac-cta {
            background: var(--bg);
            padding: 80px 0 88px;
        }

        .ac-cta-card {
            background: var(--bg-dark);
            border-radius: 20px;
            padding: 60px 56px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .ac-cta-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 60% 90% at 50% 0%, rgba(185, 151, 91, .16) 0%, transparent 70%);
        }

        .ac-cta-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 72px;
            height: 3px;
            background: var(--gold);
            border-radius: 0 0 4px 4px;
        }

        .ac-cta-inner {
            position: relative;
            z-index: 1;
        }

        .ac-cta-tag {
            display: inline-block;
            font-size: 10px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--gold);
            font-weight: 600;
            margin-bottom: 18px;
        }

        .ac-cta-title {
            font-family: var(--serif);
            font-size: 30px;
            font-weight: 400;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .ac-cta-sub {
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            margin-bottom: 34px;
            line-height: 1.9;
        }

        .ac-cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .ac-btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 34px;
            background: var(--gold);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .5px;
            border-radius: 8px;
            transition: all .3s;
            text-decoration: none;
        }

        .ac-btn-gold:hover {
            background: #A8864A;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(185, 151, 91, .35);
        }

        .ac-btn-gold svg {
            width: 17px;
            height: 17px;
        }

        .ac-btn-line {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 34px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .5px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, .2);
            transition: all .3s;
            text-decoration: none;
        }

        .ac-btn-line:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: rgba(185, 151, 91, .08);
        }

        .ac-btn-line svg {
            width: 17px;
            height: 17px;
        }

        @media (max-width: 1024px) {
            .ac-case {
                grid-template-columns:1fr;
                gap: 40px;
            }

            .plan-card {
                position: static;
            }

            .ac-sol {
                grid-template-columns:repeat(2, 1fr);
            }

            .ac-stat-grid {
                grid-template-columns:repeat(2, 1fr);
                gap: 40px 0;
            }

            .ac-stat:nth-child(2) {
                border-right: none;
            }

            .ac-draws {
                grid-template-columns:1fr;
            }

            .ac-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .ac-sec {
                padding: 64px 0;
            }

            .ac-scope, .ac-std {
                grid-template-columns:1fr;
            }

            .ac-sol {
                grid-template-columns:1fr;
            }

            .ac-stat-grid {
                grid-template-columns:1fr;
                gap: 36px;
            }

            .ac-stat {
                border-right: none;
            }

            .ac-mat td:first-child {
                white-space: normal;
                width: auto;
            }

            .ac-deploy {
                padding: 32px 26px;
            }

            .ac-quote {
                padding: 38px 26px;
            }

            .ac-quote p {
                font-size: 17px;
            }

            .ac-hero h1 {
                font-size: 30px;
            }

            .ac-head h2, .ac-stats h2 {
                font-size: 26px;
            }

            .ac-stat .v {
                font-size: 46px;
            }

            .ac-cta-card {
                padding: 44px 26px;
            }

            .ac-cta-title {
                font-size: 23px;
            }

            .ac-cta-actions {
                flex-direction: column;
            }

            .ac-btn-gold, .ac-btn-line {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 全站统一 nav/footer（首页版） ===== */


        /* ========== NAVIGATION ========== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px) saturate(160%);
            -webkit-backdrop-filter: blur(16px) saturate(160%);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
        }

        .nav.scrolled {
            background: rgba(255, 255, 255, 0.68);
            backdrop-filter: blur(22px) saturate(180%);
            -webkit-backdrop-filter: blur(22px) saturate(180%);
            box-shadow: 0 4px 24px rgba(27, 23, 18, 0.08);
            border-bottom-color: rgba(232, 224, 208, 0.6);
        }

        .nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
            height: 72px;
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo img {
            height: 44px;
            width: auto;
            display: block;
        }

        .nav-menu {
            display: flex;
            align-items: stretch;
            height: 100%;
            gap: 2px;
            list-style: none;
            flex: 1;
            justify-content: flex-start;
        }

        .nav-menu li {
            display: flex;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            font-size: 15px;
            color: #3A352D;
            font-weight: 500;
            position: relative;
            padding: 0 12px;
            white-space: nowrap;
            transition: color 0.2s;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            border-radius: 2px 2px 0 0;
            background: #32C6FF;
            opacity: 0;
            transition: opacity 0.25s;
        }

        .nav-menu a:hover {
            color: #32C6FF;
        }

        .nav-menu a:hover::after {
            opacity: 1;
        }

        .nav-menu a.active {
            color: #32C6FF;
        }

        .nav-menu a.active::after {
            opacity: 1;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-mobile-lang {
            display: none !important;
        }

        .nav-lang {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: color 0.2s;
            white-space: nowrap;
            padding-left: 20px;
            border-left: 1px solid var(--border);
        }

        .nav-lang .sep {
            margin: 0 10px;
            color: #C9C0B0;
        }

        .nav-lang:hover {
            color: #32C6FF;
        }

        .nav-lang .active {
            color: var(--text);
            font-weight: 600;
        }


        /* ========== FOOTER ========== */
        .footer {
            background: #08080A;
            padding: 80px 0 0;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 60px;
            padding-bottom: 60px;
            border-bottom: 1px solid #1A1A1A;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .footer-brand-logo .nav-logo-en {
            color: #fff;
        }

        .footer-brand-logo .nav-logo-cn {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border: 1px solid #2A2A2A;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .footer-social a:hover {
            border-color: var(--gold);
            background: var(--gold);
        }

        .footer-social svg {
            width: 16px;
            height: 16px;
            fill: rgba(255, 255, 255, 0.6);
        }

        .footer-social a:hover svg {
            fill: #fff;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--gold-light);
        }

        .footer-contact-row {
            display: flex;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-contact-row a {
            transition: color 0.2s;
        }

        .footer-contact-row a:hover {
            color: var(--gold-light);
        }

        .footer-contact-row svg {
            width: 16px;
            height: 16px;
            stroke: var(--gold);
            fill: none;
            stroke-width: 1.5;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.3);
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a:hover {
            color: var(--gold-light);
        }


        /* ========== MOBILE NAV TOGGLE ========== */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 24px;
            background: #3A352D;
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

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

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

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

        .nav-mobile-lang {
            display: none;
        }


        /* ========== NAV DROPDOWN ========== */
        .nav-menu .nav-dropdown {
            position: relative;
            display: flex;
        }

        .nav-menu .nav-drop-toggle {
            gap: 5px;
        }

        .nav-caret {
            font-style: normal;
            font-size: 10px;
            color: #32C6FF;
            transition: transform .25s;
            margin-top: 1px;
        }

        .nav-dropdown:hover .nav-caret {
            transform: rotate(180deg);
        }

        .nav-dropdown > a.active, .nav-dropdown.active > a, .nav-dropdown.active > a .nav-caret {
            color: #32C6FF;
        }

        .nav-dropdown.active > a::after {
            opacity: 1;
        }

        .nav-sub {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 168px;
            background: rgba(255, 255, 255, .98);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: 0 18px 44px rgba(27, 23, 18, .14);
            list-style: none;
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transition: all .25s;
            z-index: 120;
            flex-direction: column;
            display: flex !important;
            height: auto !important;
            gap: 0 !important;
        }

        .nav-dropdown:hover .nav-sub {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .nav-sub li {
            display: block !important;
        }

        .nav-sub a {
            display: flex !important;
            align-items: center;
            padding: 11px 18px !important;
            font-size: 14px !important;
            color: #3A352D;
            border-radius: 8px;
            white-space: nowrap;
            height: auto !important;
            border-bottom: none !important;
        }

        .nav-sub a::after {
            display: none !important;
        }

        .nav-sub a:hover {
            background: #EAF9FF;
            color: #32C6FF;
        }

        .nav-sub a.active {
            color: #32C6FF;
            background: #EAF9FF;
            font-weight: 600;
        }

/* Mobile introduction starts with the text, without the decorative hero photo. */
@media (max-width: 640px) {
    body.website-device-introduce .ac-hero {
        display: block;
        min-height: 0;
        height: auto;
        padding: 0;
        background: #15191f;
    }
    body.website-device-introduce .ac-hero > .ac-hero-bg,
    body.website-device-introduce .ac-hero > .mobile-banner-source {
        display: none !important;
    }
    body.website-device-introduce .ac-hero > .ac-hero-in {
        position: relative;
        padding: 26px var(--mobile-gutter, 18px) 24px;
    }
}

/* 内容正文与首页案例展示说明共用字号、字体和颜色。 */
.ac-sec .ac-head p,
.ac-sec .ac-case h3,
.ac-sec .ac-fact,
.ac-sec .ac-fact b,
.ac-sec .ac-fact span,
.ac-sec .ac-note,
.ac-sec .ac-reference-note,
.ac-sec .ac-card h4,
.ac-sec .ac-req h4,
.ac-sec .ac-infocard-cap span,
.ac-sec .dr-cap span,
.ac-sec .ac-intro p,
.ac-sec .ac-pull,
.ac-sec .ac-case p,
.ac-sec .ac-block-title,
.ac-sec .ac-rt th,
.ac-sec .ac-rt td,
.ac-sec .ac-card p,
.ac-sec .ac-scope-item span,
.ac-sec .ac-std li,
.ac-sec .ac-mat th,
.ac-sec .ac-mat td,
.ac-sec .ac-req li,
.ac-sec .ac-infocard-cap b,
.ac-sec .dr-cap b {
    font-family: var(--site-heading-font);
    font-size: var(--site-copy-size);
    font-weight: 400;
    color: var(--site-copy-color);
    line-height: 1.9;
    letter-spacing: 0;
}

.ac-sec .ac-intro p strong,
.ac-sec .ac-std li b,
.ac-sec .ac-std-hot {
    color: var(--site-copy-color) !important;
}

.ac-sec .ac-head .site-title {
    font-family: var(--site-heading-font);
    font-size: var(--site-heading-size);
    font-weight: 600;
    color: #1b1712;
    line-height: 1.25;
    letter-spacing: 0;
}

/* 深色区域沿用统一字号，以浅色保证文字清晰。 */
.ac-sec .ac-rt th,
.ac-sec .ac-mat th,
.ac-sec .ac-deploy h4,
.ac-sec .ac-deploy p,
.ac-sec .ac-quote p,
.ac-stats .ac-stats-note,
.ac-stats .ac-stat .u,
.ac-stats .ac-stat .l,
.ac-cta .ac-cta-sub {
    font-family: var(--site-heading-font);
    font-size: var(--site-copy-size);
    font-weight: 400;
    color: rgba(255, 255, 255, .85);
    line-height: 1.9;
    letter-spacing: 0;
}

.ac-sec .ac-deploy h4,
.ac-stats h2,
.ac-cta .ac-cta-title {
    font-family: var(--site-heading-font);
    font-weight: 600;
    color: #fff;
    letter-spacing: 0;
}

.ac-stats h2 {
    font-size: var(--site-heading-size);
}

.ac-sec .ac-fact b {
    width: 100px;
}

@media (max-width: 640px) {
    .ac-sec .ac-fact b {
        width: 80px;
    }
}