/* roulang page: index */
:root {
            --color-brand: #e53925;
            --color-brand-light: #ff4d2e;
            --color-brand-dark: #c6281c;
            --color-dark: #1e2540;
            --color-dark-light: #343a52;
            --color-bg: #fafbfc;
            --color-white: #ffffff;
            --color-text: #1e2540;
            --color-text-soft: #6b7288;
            --color-text-light: #8d93a8;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f4;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-width: 320px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-brand);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(229, 57, 37, 0.4);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input,
        textarea {
            font-family: inherit;
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-base);
            height: 68px;
        }
        .site-header.scrolled {
            border-bottom-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: 60px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 1rem;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-brand);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #ff4d2e 0%, #e53925 60%, #c6281c 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(229, 57, 37, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.45rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 2rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-brand);
            background: #fef2f0;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 0.55rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff !important;
            background: var(--color-brand);
            border-radius: 2rem;
            transition: all var(--transition-base);
            box-shadow: 0 3px 10px rgba(229, 57, 37, 0.28);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            box-shadow: 0 6px 18px rgba(229, 57, 37, 0.4);
            transform: translateY(-1px);
        }
        .nav-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: transparent;
            color: var(--color-text-soft);
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }
        .nav-search-btn:hover {
            background: #f3f4f6;
            color: var(--color-brand);
        }
        .hamburger-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--color-dark);
            font-size: 1.35rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: #f3f4f6;
        }

        /* Mobile nav */
        @media (max-width: 1023px) {
            .nav-links-wrap {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 1.5rem 1.25rem;
                gap: 0.35rem;
                display: none;
                overflow-y: auto;
                z-index: 999;
                border-top: 1px solid var(--color-border-light);
            }
            .nav-links-wrap.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                gap: 0.25rem;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1.05rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 0.5rem;
                padding: 0.75rem 1.5rem;
                font-size: 1rem;
            }
            .hamburger-btn {
                display: flex;
            }
            .nav-search-btn {
                display: none;
            }
            .desktop-only-search {
                display: none;
            }
        }
        @media (min-width: 1024px) {
            .nav-links-wrap {
                display: flex !important;
                align-items: center;
                gap: 0.25rem;
            }
            .hamburger-btn {
                display: none;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: linear-gradient(170deg, #1a1d2e 0%, #1e2540 30%, #252d4a 60%, #1a1d2e 100%);
            overflow: hidden;
            padding-top: 68px;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.38;
            pointer-events: none;
            mix-blend-mode: overlay;
            filter: brightness(0.9) saturate(1.1);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 55% 40%, rgba(229, 57, 37, 0.18) 0%, transparent 65%),
                radial-gradient(ellipse at 25% 70%, rgba(240, 165, 0, 0.1) 0%, transparent 55%),
                linear-gradient(180deg, rgba(10, 15, 36, 0.55) 0%, rgba(10, 15, 36, 0.7) 100%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 2rem 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffb3a3;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 1.25rem;
            animation: pulse-badge 2.4s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 46, 0.35);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 77, 46, 0);
            }
        }
        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ade80;
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin: 0 0 1rem 0;
            letter-spacing: -0.015em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #ff6b55 0%, #ffb3a3 50%, #ff7e66 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            color: transparent;
        }
        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: #c8cdd8;
            line-height: 1.7;
            margin: 0 0 2rem 0;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 2.5rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(229, 57, 37, 0.4);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #c6281c;
            box-shadow: 0 10px 28px rgba(229, 57, 37, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.45);
            border-radius: 2.5rem;
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2.25rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: #a0a7b8;
            margin-top: 0.25rem;
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: 85vh;
                text-align: center;
            }
            .hero-content {
                text-align: center;
                max-width: 100%;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-stats-row {
                justify-content: center;
                gap: 1rem;
            }
            .hero-stat-item {
                text-align: center;
            }
        }

        /* Section common */
        .section {
            padding: 5rem 0;
        }
        @media (max-width: 767px) {
            .section {
                padding: 3rem 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-brand);
            background: #fef2f0;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 0.75rem 0;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* Feature cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 1023px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
            border-color: #fde8e5;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #ff4d2e, #ff7e66, #ffb3a3);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon-circle {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .fic-red {
            background: linear-gradient(135deg, #ff4d2e, #e53925);
        }
        .fic-blue {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
        }
        .fic-teal {
            background: linear-gradient(135deg, #14b8a6, #0d9488);
        }
        .fic-amber {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 0.5rem 0;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* Services */
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        @media (max-width: 767px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .service-img-wrap {
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            position: relative;
        }
        .service-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-img-wrap:hover img {
            transform: scale(1.04);
        }
        .service-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 0.75rem 0;
        }
        .service-text p {
            color: var(--color-text-soft);
            margin: 0 0 1rem 0;
            line-height: 1.7;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .service-tag {
            display: inline-block;
            padding: 0.3rem 0.75rem;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 2rem;
            background: #fef2f0;
            color: #c6281c;
        }

        /* Live ticker */
        .live-ticker-bar {
            background: #1e2540;
            color: #fff;
            padding: 0.65rem 0;
            overflow: hidden;
            position: relative;
            border-bottom: 2px solid rgba(255, 77, 46, 0.5);
        }
        .live-ticker-inner {
            display: flex;
            gap: 3rem;
            animation: ticker-scroll 28s linear infinite;
            white-space: nowrap;
        }
        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .live-ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            flex-shrink: 0;
        }
        .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #4ade80;
            animation: blink-dot 1.2s ease-in-out infinite;
            flex-shrink: 0;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 400px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
            border-color: #fde8e5;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Process */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }
        @media (max-width: 1023px) {
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-list {
                grid-template-columns: 1fr;
            }
        }
        .process-step {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            position: relative;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .process-step:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
            border-color: #fde8e5;
        }
        .process-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-brand);
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.85rem;
            box-shadow: 0 4px 12px rgba(229, 57, 37, 0.35);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 0.4rem 0;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.25rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-dark);
            background: transparent;
            cursor: pointer;
            border: none;
            text-align: left;
            gap: 0.75rem;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-brand);
        }
        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-text-light);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-brand);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1e2540 0%, #252d4a 40%, #1a1d2e 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(229, 57, 37, 0.12);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -50px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(240, 165, 0, 0.08);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem 0;
        }
        .cta-inner p {
            color: #c8cdd8;
            margin: 0 0 1.75rem 0;
            font-size: 1rem;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 0.6rem;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border-radius: 2.5rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            outline: none;
        }
        .cta-input::placeholder {
            color: #a0a7b8;
        }
        .cta-input:focus {
            border-color: #ff7e66;
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(255, 77, 46, 0.15);
        }
        .btn-cta-submit {
            padding: 0.8rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 2.5rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 5px 16px rgba(229, 57, 37, 0.4);
            white-space: nowrap;
        }
        .btn-cta-submit:hover {
            background: #c6281c;
            box-shadow: 0 8px 22px rgba(229, 57, 37, 0.55);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #141829;
            color: #b0b8c8;
            padding: 3.5rem 0 2rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 0.85rem 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            color: #8d93a8;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-desc {
            color: #8d93a8;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: #6b7288;
        }
        .footer-social {
            display: flex;
            gap: 0.75rem;
        }
        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #8d93a8;
            transition: all var(--transition-fast);
            font-size: 0.9rem;
        }
        .footer-social a:hover {
            background: var(--color-brand);
            color: #fff;
        }

        /* Toast */
        .toast-msg {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%) translateY(120px);
            background: #1e2540;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: 2.5rem;
            font-weight: 500;
            font-size: 0.9rem;
            z-index: 9999;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            transition: transform var(--transition-base);
            pointer-events: none;
        }
        .toast-msg.show {
            transform: translateX(-50%) translateY(0);
        }

        /* Search overlay */
        .search-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 15, 36, 0.85);
            z-index: 10000;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding-top: 20vh;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }
        .search-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .search-overlay-inner {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            width: 90%;
            max-width: 500px;
            box-shadow: var(--shadow-xl);
        }
        .search-overlay-input {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: 2rem;
            border: 2px solid #e5e7eb;
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .search-overlay-input:focus {
            border-color: var(--color-brand);
        }
        .search-overlay-close {
            display: block;
            margin: 0.75rem auto 0;
            padding: 0.5rem 1.25rem;
            border-radius: 2rem;
            background: #f3f4f6;
            color: var(--color-dark);
            font-weight: 500;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
        }
        .search-overlay-close:hover {
            background: #e5e7eb;
        }