:root {
            --primary: #FE8516;
            --primary-dark: #FF5A00;
            --secondary: #1A1A2E;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f8fafc;
            --white: #ffffff;
            --border: #e2e8f0;
            --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
            --container: 1200px;
            --radius: 18px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: Arial, Helvetica, sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
        }
       /* --- HEADER --- */
        header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            height: 80px;
            display: flex;
            align-items: center;
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            width: 100%;
            min-height: 80px;
        }
        a {
            color: inherit;
            text-decoration: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero {
            background:
                linear-gradient(135deg, rgba(26, 26, 46, .97), rgba(26, 26, 46, .9)),
                radial-gradient(circle at top right, rgba(254, 133, 22, .18), transparent 35%);
            color: var(--white);
            padding: 88px 0 72px;
        }

        .hero .tag {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .hero h1 {
            font-size: 50px;
            line-height: 1.1;
            margin-bottom: 16px;
            max-width: 760px;
        }

        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, .82);
            max-width: 760px;
            margin-bottom: 28px;
        }

        .search-box {
            max-width: 760px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 18px;
            padding: 12px;
            backdrop-filter: blur(8px);
        }

        .search-box form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-box input {
            flex: 1;
            min-width: 220px;
            height: 54px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .96);
            padding: 0 16px;
            font-size: 15px;
            color: var(--text-dark);
            outline: none;
        }

        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(254, 133, 22, .15);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 54px;
            padding: 0 22px;
            border-radius: 12px;
            border: 0;
            font-weight: 700;
            cursor: pointer;
            transition: .2s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            box-shadow: 0 10px 24px -12px rgba(255, 90, 0, .6);
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            filter: brightness(1.03);
        }

        .main {
            padding: 60px 0 80px;
        }

        .intro-box {
            background: linear-gradient(180deg, #fff, #fffaf6);
            border: 1px solid var(--border);
            border-left: 5px solid var(--primary);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
            margin-bottom: 32px;
        }

        .intro-box h2 {
            font-size: 28px;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .intro-box p {
            color: var(--text-light);
        }

        .section-title {
            font-size: 30px;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .section-subtitle {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-bottom: 42px;
        }

        .category-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow);
            padding: 24px;
            transition: .2s ease;
        }

        .category-card:hover {
            transform: translateY(-3px);
            border-color: rgba(254, 133, 22, .28);
        }

        .category-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            background: rgba(254, 133, 22, .12);
        }

        .category-card h3 {
            font-size: 21px;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .category-card p {
            color: var(--text-light);
            margin-bottom: 18px;
        }

        .category-link {
            font-weight: 700;
            color: var(--primary-dark);
        }

        .quick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-bottom: 42px;
        }

        .quick-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow);
            padding: 20px;
        }

        .quick-card strong {
            display: block;
            color: var(--secondary);
            margin-bottom: 8px;
            font-size: 17px;
        }

        .quick-card p {
            color: var(--text-light);
            font-size: 15px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 24px;
            align-items: start;
        }

        .faq-list,
        .help-sidebar {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow);
            padding: 28px;
        }

        .faq-list h2,
        .help-sidebar h2 {
            color: var(--secondary);
            font-size: 28px;
            margin-bottom: 18px;
        }

        .faq-item {
            border-top: 1px solid var(--border);
            padding: 18px 0;
        }

        .faq-item:first-of-type {
            border-top: 0;
            padding-top: 0;
        }

        .faq-item h3 {
            color: var(--secondary);
            font-size: 18px;
            margin-bottom: 8px;
        }

        .faq-item p {
            color: var(--text-light);
        }

        .side-box {
            border: 1px solid var(--border);
            background: #f9fafb;
            border-radius: 14px;
            padding: 16px 18px;
        }

        .side-box+.side-box {
            margin-top: 14px;
        }

        .side-box strong {
            display: block;
            color: var(--secondary);
            margin-bottom: 6px;
            font-size: 15px;
        }

        .side-box span {
            color: var(--text-light);
            font-size: 15px;
        }

        .cta-box {
            margin-top: 22px;
            padding: 20px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(254, 133, 22, .12), rgba(255, 90, 0, .08));
            border: 1px solid rgba(254, 133, 22, .18);
        }

        .cta-box h3 {
            color: var(--secondary);
            font-size: 20px;
            margin-bottom: 10px;
        }

        .cta-box p {
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, .75);
            text-align: center;
            padding: 28px 0;
            font-size: 14px;
        }

        @media (max-width: 1100px) {
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .faq-wrap {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }

            .category-grid,
            .quick-grid {
                grid-template-columns: 1fr;
            }

            .search-box form {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }