@charset "utf-8";
        :root {
            --color-primary: #1a3a5c;
            --color-primary-dark: #0f2640;
            --color-primary-light: #2c5f8a;
            --color-accent: #c8963e;
            --color-accent-hover: #b8862d;
            --color-accent-light: #f5e6d0;
            --color-white: #ffffff;
            --color-off-white: #f8f7f4;
            --color-gray-50: #f5f5f0;
            --color-gray-100: #e8e8e0;
            --color-gray-200: #d1d1c8;
            --color-gray-300: #b0b0a5;
            --color-gray-500: #6b6b60;
            --color-gray-700: #3d3d35;
            --color-gray-800: #2a2a22;
            --color-gray-900: #1a1a15;
            --color-success: #2d7d46;
            --color-border: #d9d9d0;
            --color-shadow: rgba(0, 0, 0, 0.06);
            --color-shadow-lg: rgba(0, 0, 0, 0.12);
            --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --spacing-4xl: 5rem;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-gray-800);
            background-color: var(--color-white);
            line-height: 1.7;
            min-height: 100vh;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.25;
            color: var(--color-primary-dark);
        }
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.875rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.375rem;
        }
        p {
            margin-bottom: var(--spacing-md);
            color: var(--color-gray-700);
        }
        a {
            color: var(--color-primary-light);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        .text-center {
            text-align: center;
        }

        /* ========== Top Bar ========== */
        .top-bar {
            background-color: var(--color-primary-dark);
            color: var(--color-white);
            font-size: 0.8125rem;
            padding: 6px 0;
        }
        .top-bar__inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .top-bar a {
            color: var(--color-accent-light);
            font-weight: 500;
        }
        .top-bar a:hover {
            color: var(--color-white);
            text-decoration: none;
        }
        .top-bar__lang a {
            margin-left: var(--spacing-md);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        /* ========== Header ========== */
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px var(--color-shadow);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            text-decoration: none;
            letter-spacing: -0.02em;
        }
        .logo:hover {
            text-decoration: none;
            color: var(--color-primary-dark);
        }
        .logo__icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background-color: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .logo__text small {
            display: block;
            font-size: 0.625rem;
            font-weight: 400;
            color: var(--color-gray-500);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            list-style: none;
        }
        .main-nav a {
            color: var(--color-gray-700);
            font-weight: 500;
            font-size: 0.9375rem;
            padding: var(--spacing-xs) 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-base), border-color var(--transition-base);
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary-dark);
            border-bottom-color: var(--color-accent);
            text-decoration: none;
        }
        .main-nav a.active {
            font-weight: 600;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: var(--spacing-xs);
            color: var(--color-primary-dark);
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: currentColor;
            margin: 5px 0;
            transition: var(--transition-base);
            border-radius: 2px;
        }

        /* ========== Hero ========== */
        .hero {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
            color: var(--color-white);
            padding: var(--spacing-4xl) 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero h1 {
            color: var(--color-white);
            font-size: 3rem;
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 1;
        }
        .hero h1 span {
            color: var(--color-accent);
        }
        .hero__subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-xl);
            position: relative;
            z-index: 1;
        }

        /* ========== Section ========== */
        .section {
            padding: var(--spacing-4xl) 0;
        }
        .section--alt {
            background-color: var(--color-off-white);
        }
        .section__header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--spacing-2xl);
        }
        .section__label {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }

        /* Continent icon row */
        .continent-icon {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-sm);
        }

        /* ========== Office Cards Grid ========== */
        .offices-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: var(--spacing-md);
        }
        .office-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md) var(--spacing-lg);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            text-align: center;
        }
        .office-card:hover {
            box-shadow: 0 6px 20px var(--color-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .office-card__country {
            font-weight: 600;
            color: var(--color-primary-dark);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .office-card__city {
            font-size: 0.8rem;
            color: var(--color-gray-500);
        }
        .office-card__prefix {
            font-size: 0.7rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 2px;
        }

        /* Antarctica special */
        .no-office-card {
            background: var(--color-gray-50);
            border: 1px dashed var(--color-gray-200);
            border-radius: var(--radius-sm);
            padding: var(--spacing-lg);
            text-align: center;
            color: var(--color-gray-500);
            font-style: italic;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-gray-900);
            color: var(--color-gray-300);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }
        .footer-grid h4 {
            color: var(--color-white);
            font-size: 0.9375rem;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid ul li {
            margin-bottom: var(--spacing-xs);
        }
        .footer-grid ul a {
            color: var(--color-gray-300);
            font-size: 0.875rem;
        }
        .footer-grid ul a:hover {
            color: var(--color-white);
            text-decoration: none;
        }
        .footer-brand p {
            color: var(--color-gray-300);
            font-size: 0.875rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 0.8125rem;
            color: var(--color-gray-500);
        }

        /* Quick nav pills */
        .continent-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-3xl);
        }
        .continent-nav a {
            display: inline-block;
            padding: 0.4rem 1.2rem;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-gray-700);
            transition: all var(--transition-base);
        }
        .continent-nav a:hover {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-white);
            text-decoration: none;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .offices-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: var(--spacing-md);
                border-top: 1px solid var(--color-border);
                box-shadow: 0 6px 20px var(--color-shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .offices-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .continent-nav {
                gap: var(--spacing-xs);
            }
            .continent-nav a {
                padding: 0.3rem 0.8rem;
                font-size: 0.75rem;
            }
        }