*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        :root {
            --primary: #0a1f3d;
            --primary-light: #1a3a6b;
            --accent: #f5b041;
            --accent-dark: #d4942b;
            --accent-light: #ffeaa7;
            --neutral-100: #f8f9fa;
            --neutral-200: #e9ecef;
            --neutral-300: #dee2e6;
            --neutral-600: #6c757d;
            --neutral-800: #343a40;
            --neutral-900: #1a1a2e;
            --white: #ffffff;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --radius: 12px;
            --radius-sm: 8px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-light);
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--neutral-800);
        }
        p {
            margin-bottom: 1.4rem;
            font-size: 1.05rem;
            color: #2d2d44;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: var(--transition);
            font-weight: 500;
        }
        a:hover {
            color: var(--accent-dark);
            border-bottom-color: var(--accent);
        }
        strong {
            font-weight: 700;
            color: var(--primary);
        }
        em {
            font-style: italic;
            color: var(--primary-light);
        }
        .highlight {
            background: linear-gradient(120deg, var(--accent-light) 0%, var(--accent-light) 40%, transparent 80%);
            padding: 0 0.3rem;
            font-weight: 600;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #0f2b50 100%);
            color: var(--white);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--accent);
            text-decoration: none;
            border-bottom: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--white);
            border-bottom: none;
            transform: scale(1.02);
        }
        .my-logo i {
            font-size: 2.2rem;
            color: var(--accent);
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 300;
            color: var(--neutral-300);
            margin-left: 0.3rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--neutral-200);
            font-weight: 500;
            font-size: 0.95rem;
            border-bottom: none;
            padding: 0.3rem 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent);
            border-bottom: none;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 4px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        .breadcrumb {
            background: var(--neutral-100);
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--neutral-200);
            font-size: 0.9rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: var(--neutral-600);
            border-bottom: none;
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--neutral-600);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0a1f3d 0%, #1a3a6b 50%, #0f2b50 100%);
            color: var(--white);
            padding: 3rem 0 4rem;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🏈";
            position: absolute;
            right: 5%;
            bottom: 10%;
            font-size: 12rem;
            opacity: 0.08;
            pointer-events: none;
        }
        .hero h1 {
            color: var(--white);
            font-size: 3rem;
            margin-bottom: 0.8rem;
        }
        .hero .subtitle {
            font-size: 1.3rem;
            color: var(--accent-light);
            max-width: 720px;
            margin-bottom: 1.2rem;
            font-weight: 300;
        }
        .hero .meta {
            color: var(--neutral-300);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .hero .meta i {
            color: var(--accent);
            margin-right: 0.3rem;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2.2rem 2.5rem;
            box-shadow: var(--shadow-sm);
        }
        .content-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
            margin: 1.8rem 0;
            box-shadow: var(--shadow-sm);
            display: block;
        }
        .content-body figure {
            margin: 1.8rem 0;
        }
        .content-body figcaption {
            font-size: 0.9rem;
            color: var(--neutral-600);
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
        }
        .sidebar-card h4 {
            margin-top: 0;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--neutral-200);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a i {
            color: var(--accent-dark);
            font-size: 0.8rem;
        }
        .form-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            margin-top: 2.5rem;
            border: 1px solid var(--neutral-200);
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.4rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--primary);
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid var(--neutral-200);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
            background: var(--neutral-100);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 176, 65, 0.15);
            background: var(--white);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.8rem 2rem;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            border-bottom: none;
        }
        .btn:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-bottom: none;
            color: var(--white);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: var(--primary);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: var(--neutral-300);
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--primary);
            color: var(--neutral-200);
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: var(--accent);
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: var(--neutral-300);
            border-bottom: none;
            display: block;
            padding: 0.2rem 0;
            font-weight: 400;
        }
        .footer-grid a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 1rem;
        }
        friend-link a {
            color: var(--neutral-300);
            margin-right: 1.5rem;
            display: inline-block;
            padding: 0.2rem 0;
            border-bottom: none;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
            color: var(--neutral-600);
        }
        .copyright strong {
            color: var(--neutral-300);
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0;
                font-size: 1.05rem;
            }
            .content-body {
                padding: 1.5rem 1.2rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero .subtitle {
                font-size: 1.1rem;
            }
            .hero::after {
                font-size: 6rem;
                right: 2%;
                bottom: 5%;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .my-logo span {
                font-size: 0.75rem;
            }
            .form-card {
                padding: 1.2rem;
            }
            .sidebar-card {
                padding: 1.2rem;
            }
            .breadcrumb .container {
                font-size: 0.8rem;
            }
            .rating-stars label {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 2rem 0 2.5rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-body {
                padding: 1rem 0.8rem;
                border-radius: var(--radius-sm);
            }
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
            .header-inner {
                gap: 0.4rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .form-group input,
            .form-group textarea {
                padding: 0.6rem 0.8rem;
                font-size: 0.95rem;
            }
        }
        .text-accent {
            color: var(--accent);
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .list-check {
            list-style: none;
            padding: 0;
        }
        .list-check li {
            padding: 0.4rem 0;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }
        .list-check li i {
            color: var(--accent-dark);
            margin-top: 0.2rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: var(--primary);
            color: var(--white);
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid var(--neutral-200);
        }
        table tr:hover td {
            background: var(--neutral-100);
        }
        .quote-box {
            background: var(--neutral-100);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--neutral-800);
        }
        .quote-box cite {
            display: block;
            margin-top: 0.6rem;
            font-style: normal;
            font-weight: 600;
            color: var(--primary);
        }
        .data-badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--primary);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--neutral-600);
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--neutral-200);
        }
        .section-icon {
            margin-right: 0.4rem;
        }