/* roulang page: index */
:root {
            --color-bg-primary: #0f1a14;
            --color-bg-secondary: #1c231f;
            --color-bg-deep: #0a120d;
            --color-bg-card: #0d3320;
            --color-bg-card-alt: rgba(13, 51, 32, 0.7);
            --color-accent-gold: #d4a040;
            --color-accent-gold-light: #e0b858;
            --color-accent-gold-dim: rgba(212, 160, 64, 0.15);
            --color-accent-gold-border: rgba(212, 160, 64, 0.3);
            --color-accent-red: #e03a3a;
            --color-accent-red-dark: #c53030;
            --color-text-ivory: #f5f0e8;
            --color-text-warmgray: #c4bfb6;
            --color-text-dark: #2a2a2a;
            --color-text-muted: #8a857c;
            --color-border-subtle: rgba(212, 160, 64, 0.1);
            --color-border-card: rgba(212, 160, 64, 0.15);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-nav: 0 1px 0 rgba(212, 160, 64, 0.2);
            --font-mono: "SF Mono", "Menlo", "Consolas", "Monaco", monospace;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.25s ease;
            --transition-medium: 0.3s ease;
            --container-max: 1200px;
            --section-gap: 6rem;
            --section-gap-mobile: 3.5rem;
        }

        *,
        *::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);
            background-color: var(--color-bg-primary);
            color: var(--color-text-warmgray);
            line-height: 1.75;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        input,
        select {
            font-family: var(--font-sans);
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 80px;
            background: rgba(15, 26, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-medium);
        }
        .site-nav.scrolled {
            box-shadow: 0 1px 0 rgba(212, 160, 64, 0.25);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .nav-brand i {
            font-size: 1.15rem;
            color: var(--color-accent-gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links a {
            font-size: 0.95rem;
            color: var(--color-text-ivory);
            font-weight: 500;
            position: relative;
            padding: 0.25rem 0;
            letter-spacing: 0.02em;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent-gold);
            transition: width var(--transition-fast);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-accent-gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: inline-block;
            background: var(--color-accent-gold);
            color: #0f1a14;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.5rem 1.3rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-smooth);
        }
        .nav-cta:hover {
            filter: brightness(1.08);
            transform: scale(1.03);
            color: #0f1a14;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text-ivory);
            border-radius: 2px;
            transition: all var(--transition-medium);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: #0f1a14;
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2.5rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-medium);
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu a {
            font-size: 1.2rem;
            color: var(--color-text-ivory);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover {
            color: var(--color-accent-gold);
        }
        .mobile-menu .nav-cta {
            font-size: 1rem;
            padding: 0.7rem 2rem;
        }
        .mobile-close {
            position: absolute;
            top: 28px;
            right: 28px;
            font-size: 1.8rem;
            color: var(--color-text-ivory);
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .mobile-close:hover {
            color: var(--color-accent-gold);
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta.desktop-only {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .site-nav {
                height: 64px;
            }
            .nav-brand {
                font-size: 1.1rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu,
            .mobile-close {
                display: none;
            }
            .nav-cta.desktop-only {
                display: inline-block;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            min-height: 100vh;
            min-height: 600px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(170deg, #0f1a14 0%, #162619 40%, #0f1a14 100%);
            padding-top: 80px;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.18;
            z-index: 0;
            mix-blend-mode: overlay;
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            overflow: hidden;
        }
        .hero-particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: var(--color-accent-gold);
            border-radius: 50%;
            animation: floatUp 6s infinite ease-in;
            opacity: 0;
        }
        .hero-particle:nth-child(1) {
            left: 15%;
            animation-delay: 0s;
            animation-duration: 7s;
        }
        .hero-particle:nth-child(2) {
            left: 30%;
            animation-delay: 1.2s;
            animation-duration: 5.5s;
            width: 2px;
            height: 2px;
        }
        .hero-particle:nth-child(3) {
            left: 50%;
            animation-delay: 2.5s;
            animation-duration: 8s;
            width: 4px;
            height: 4px;
        }
        .hero-particle:nth-child(4) {
            left: 65%;
            animation-delay: 0.8s;
            animation-duration: 6.2s;
        }
        .hero-particle:nth-child(5) {
            left: 78%;
            animation-delay: 3s;
            animation-duration: 7.5s;
            width: 2px;
            height: 2px;
        }
        .hero-particle:nth-child(6) {
            left: 85%;
            animation-delay: 1.8s;
            animation-duration: 5.8s;
            background: var(--color-accent-red);
            width: 3px;
            height: 3px;
        }
        .hero-particle:nth-child(7) {
            left: 22%;
            animation-delay: 4s;
            animation-duration: 9s;
            width: 2px;
            height: 2px;
            background: var(--color-accent-gold-light);
        }
        .hero-particle:nth-child(8) {
            left: 55%;
            animation-delay: 2s;
            animation-duration: 6.8s;
            width: 3px;
            height: 3px;
        }
        @keyframes floatUp {
            0% {
                bottom: -20px;
                opacity: 0;
                transform: translateX(0);
            }
            10% {
                opacity: 0.7;
            }
            40% {
                opacity: 0.5;
                transform: translateX(15px);
            }
            70% {
                opacity: 0.2;
                transform: translateX(-10px);
            }
            100% {
                bottom: 105%;
                opacity: 0;
                transform: translateX(5px);
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            width: 100%;
        }
        .hero-content h1 {
            font-size: clamp(2rem, 3.5vw, 3.5rem);
            font-weight: 700;
            color: var(--color-text-ivory);
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .hero-content h1 .gold-accent {
            color: var(--color-accent-gold);
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-warmgray);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 480px;
        }
        .hero-cta {
            display: inline-block;
            background: var(--color-accent-gold);
            color: #0f1a14;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
        }
        .hero-cta:hover {
            filter: brightness(1.08);
            transform: scale(1.03);
            color: #0f1a14;
            box-shadow: 0 6px 24px rgba(212, 160, 64, 0.3);
        }
        .hero-floating-tag {
            display: inline-block;
            background: var(--color-bg-card-alt);
            border: 1px solid var(--color-accent-gold-border);
            color: var(--color-text-warmgray);
            font-size: 0.85rem;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin-top: 1.5rem;
            letter-spacing: 0.02em;
        }
        .hero-floating-tag .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent-red);
            border-radius: 50%;
            margin-right: 0.4rem;
            animation: pulseDot 1.5s infinite ease-in-out;
        }
        .hero-floating-tag .count-num {
            color: var(--color-accent-gold);
            font-weight: 700;
            font-family: var(--font-mono);
        }
        @keyframes pulseDot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(224, 58, 58, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(224, 58, 58, 0);
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding-top: 64px;
                text-align: center;
                min-height: auto;
                padding-bottom: 3rem;
            }
            .hero-content {
                max-width: 100%;
                text-align: center;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                margin: 0 auto 1.5rem;
                font-size: 0.95rem;
            }
            .hero-floating-tag {
                margin-top: 1rem;
                font-size: 0.8rem;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: clamp(1.5rem, 2.2vw, 2.2rem);
            font-weight: 600;
            color: var(--color-text-ivory);
            line-height: 1.3;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            letter-spacing: 0.02em;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 3px;
            height: 30px;
            background: var(--color-accent-gold);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-warmgray);
            margin-bottom: 2.5rem;
            max-width: 500px;
            line-height: 1.7;
        }
        section {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 767px) {
            section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-title::before {
                height: 24px;
                width: 3px;
            }
        }

        /* ========== DASHBOARD ========== */
        .dashboard-section {
            background: var(--color-bg-secondary);
        }
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .dash-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .dash-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent-gold-border);
            transform: translateY(-2px);
        }
        .dash-card .dash-number {
            font-family: var(--font-mono);
            font-size: clamp(2.2rem, 3.5vw, 3rem);
            font-weight: 800;
            color: var(--color-accent-gold);
            line-height: 1;
            margin-bottom: 0.5rem;
            transition: transform var(--transition-smooth);
        }
        .dash-card:hover .dash-number {
            transform: scale(1.05);
        }
        .dash-card .dash-label {
            font-size: 0.9rem;
            color: var(--color-text-ivory);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .dash-card .dash-trend {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.78rem;
            margin-top: 0.6rem;
            font-weight: 600;
        }
        .dash-trend.up {
            color: var(--color-accent-red);
        }
        .dash-trend.stable {
            color: #2ecc71;
        }
        @media (max-width: 992px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .dash-card {
                padding: 1.4rem;
            }
        }
        @media (max-width: 767px) {
            .dashboard-grid {
                grid-template-columns: 1fr;
                gap: 0.8rem;
            }
            .dash-card {
                padding: 1.2rem;
            }
            .dash-card .dash-number {
                font-size: 2.2rem;
            }
        }

        /* ========== SERVICES ========== */
        .services-section {
            background: var(--color-bg-primary);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            align-items: start;
        }
        .service-card {
            background: rgba(15, 26, 20, 0.9);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            position: relative;
        }
        .service-card.card-featured {
            min-height: calc(100% + 28px);
            margin-top: -14px;
            border-color: var(--color-accent-gold-border);
            box-shadow: var(--shadow-card);
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent-gold-border);
            transform: translateY(-2px);
        }
        .service-card.card-featured:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.5);
        }
        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(212, 160, 64, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .service-icon i {
            font-size: 1.2rem;
            color: var(--color-accent-gold);
        }
        .service-icon img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-text-ivory);
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-warmgray);
            line-height: 1.6;
            flex-grow: 1;
        }
        .service-card .service-divider {
            width: 100%;
            height: 1px;
            border-top: 1px dashed rgba(212, 160, 64, 0.2);
            margin-top: 0.3rem;
        }
        @media (max-width: 992px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
            .service-card.card-featured {
                min-height: auto;
                margin-top: 0;
            }
        }
        @media (max-width: 767px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .service-card.card-featured {
                min-height: auto;
                margin-top: 0;
            }
            .service-card {
                padding: 1.4rem;
            }
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--color-bg-secondary);
        }
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: stretch;
        }
        .comparison-col {
            border-radius: var(--radius-md);
            padding: 2rem;
            border: 1px solid transparent;
        }
        .comparison-col.col-weak {
            background: rgba(28, 35, 31, 0.6);
            border-color: rgba(120, 110, 100, 0.2);
        }
        .comparison-col.col-strong {
            background: rgba(13, 51, 32, 0.5);
            border-color: var(--color-accent-gold-border);
            box-shadow: var(--shadow-card);
        }
        .comparison-col h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .col-weak h3 {
            color: #8a857c;
        }
        .col-strong h3 {
            color: var(--color-accent-gold);
        }
        .comparison-row {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(212, 160, 64, 0.08);
            font-size: 0.9rem;
        }
        .comparison-row:last-child {
            border-bottom: none;
        }
        .comparison-row .icon-check {
            color: var(--color-accent-gold);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 1rem;
        }
        .comparison-row .icon-cross {
            color: #7a3a3a;
            font-weight: 700;
            flex-shrink: 0;
            font-size: 1rem;
        }
        .col-weak .comparison-row span {
            color: #8a857c;
        }
        .col-strong .comparison-row span {
            color: var(--color-text-ivory);
        }
        .comparison-tagline {
            display: inline-block;
            background: rgba(224, 58, 58, 0.12);
            color: var(--color-accent-red);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            margin-top: 1.2rem;
            letter-spacing: 0.03em;
        }
        @media (max-width: 767px) {
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .comparison-col {
                padding: 1.4rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-primary);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            max-width: 800px;
        }
        .faq-item {
            background: var(--color-bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--color-accent-gold-dim);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--color-text-ivory);
            font-size: 1rem;
            font-weight: 600;
            padding: 1rem 1.2rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            letter-spacing: 0.02em;
            font-family: var(--font-sans);
        }
        .faq-question:hover {
            color: var(--color-accent-gold);
        }
        .faq-question .faq-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent-gold);
            flex-shrink: 0;
            margin-right: 0.4rem;
        }
        .faq-question .faq-icon {
            font-size: 1.1rem;
            color: var(--color-accent-gold);
            transition: transform var(--transition-medium);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium), padding var(--transition-medium);
            padding: 0 1.5rem;
            color: var(--color-text-warmgray);
            font-size: 0.9rem;
            line-height: 1.8;
            background: rgba(15, 26, 20, 0.5);
        }
        .faq-item.open .faq-answer {
            max-height: 180px;
            padding: 0.8rem 1.5rem 1.2rem;
        }
        @media (max-width: 767px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }
            .faq-item.open .faq-answer {
                padding: 0.6rem 1rem 1rem;
                max-height: 220px;
            }
        }

        /* ========== CTA / CONTACT ========== */
        .contact-section {
            background: linear-gradient(180deg, #0d3320 0%, #0f1a14 100%);
            padding: 4rem 0;
        }
        .contact-inner {
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .contact-inner h2 {
            font-size: clamp(1.5rem, 2vw, 2rem);
            font-weight: 700;
            color: var(--color-text-ivory);
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
        }
        .contact-inner .contact-sub {
            color: var(--color-text-warmgray);
            font-size: 0.95rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .contact-form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: stretch;
        }
        .contact-form input,
        .contact-form select {
            flex: 1 1 180px;
            min-width: 140px;
            background: #0f1a14;
            border: 1px solid rgba(212, 160, 64, 0.3);
            color: var(--color-text-ivory);
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .contact-form input::placeholder {
            color: #6b6560;
        }
        .contact-form input:focus,
        .contact-form select:focus {
            border-color: var(--color-accent-gold);
            box-shadow: 0 0 0 3px rgba(212, 160, 64, 0.08);
        }
        .contact-form select {
            color: var(--color-text-warmgray);
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4a040' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 0.8rem center;
            padding-right: 2.2rem;
        }
        .contact-form select option {
            background: #0f1a14;
            color: var(--color-text-ivory);
        }
        .contact-form .btn-submit {
            flex: 0 0 auto;
            background: var(--color-accent-red);
            color: #f5f0e8;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .contact-form .btn-submit:hover {
            background: var(--color-accent-red-dark);
            transform: scale(1.03);
            box-shadow: 0 4px 16px rgba(224, 58, 58, 0.3);
        }
        .contact-disclaimer {
            font-size: 0.8rem;
            color: #8a857c;
            margin-top: 1.2rem;
            letter-spacing: 0.02em;
        }
        @media (max-width: 767px) {
            .contact-form {
                flex-direction: column;
                gap: 0.8rem;
            }
            .contact-form input,
            .contact-form select,
            .contact-form .btn-submit {
                flex: 1 1 auto;
                width: 100%;
                min-width: auto;
            }
            .contact-section {
                padding: 3rem 0;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-deep);
            padding: 2.5rem 0 1.5rem;
            border-top: 1px solid rgba(212, 160, 64, 0.12);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--color-text-warmgray);
            margin-top: 0.4rem;
            line-height: 1.6;
            max-width: 260px;
        }
        .footer-links h4 {
            font-size: 0.9rem;
            color: var(--color-text-ivory);
            font-weight: 600;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }
        .footer-links a {
            display: block;
            font-size: 0.85rem;
            color: var(--color-text-warmgray);
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 160, 64, 0.1);
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.8rem;
            color: #6b6560;
            letter-spacing: 0.02em;
        }
        .footer-bottom .back-to-top {
            display: inline-block;
            color: var(--color-accent-gold);
            cursor: pointer;
            font-weight: 600;
            margin-left: 0.5rem;
            transition: color var(--transition-fast);
        }
        .footer-bottom .back-to-top:hover {
            color: var(--color-accent-gold-light);
        }
        .footer-brand-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: center;
            }
            .footer-brand-desc {
                max-width: 100%;
                margin: 0 auto;
            }
            .footer-brand-name {
                justify-content: center;
            }
        }

        /* Utility: visually hidden */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* Focus outlines for a11y */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 2px;
            border-radius: 2px;
        }

        /* Smooth section entry animation (subtle) */
        @media (prefers-reduced-motion: no-preference) {
            section {
                animation: fadeInSection 0.6s ease-out both;
                animation-timeline: view();
                animation-range: entry 10% cover 30%;
            }
            @keyframes fadeInSection {
                from {
                    opacity: 0.85;
                    transform: translateY(15px);
                }
                to {
                    opacity: 1;
                    transform: translateY(0);
                }
            }
        }