*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #f5a623;
            --accent-dark: #d48e1a;
            --bg: #f4f7fb;
            --card-bg: #ffffff;
            --text: #1e2a3a;
            --text-light: #5a6a7a;
            --border: #d0dae8;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-bg: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            padding-top: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--header-bg);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), #ffd166);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--accent);
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e0e8f0;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb-wrap li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--text-light);
        }
        .breadcrumb-wrap a {
            color: var(--primary-light);
        }
        .breadcrumb-wrap .current {
            color: var(--text-light);
            font-weight: 500;
        }
        main {
            flex: 1;
            padding: 30px 0 50px;
        }
        .hero-section {
            background: linear-gradient(135deg, #e8edf4 0%, #d4e0ed 100%);
            border-radius: var(--radius);
            padding: 36px 32px;
            margin-bottom: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
            justify-content: space-between;
        }
        .hero-text {
            flex: 2;
            min-width: 260px;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero-text h1 span {
            color: var(--accent-dark);
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
        }
        .hero-img {
            flex: 1;
            min-width: 200px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 48px 0 20px;
            padding-bottom: 10px;
            border-bottom: 4px solid var(--accent);
            display: inline-block;
        }
        .section-subtitle {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 28px 0 12px;
        }
        .section-subtitle-h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 8px;
        }
        .section-subtitle-h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-light);
            margin: 16px 0 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 20px 0;
        }
        .content-grid.single-col {
            grid-template-columns: 1fr;
        }
        .content-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .content-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .content-card h3 {
            color: var(--primary);
            margin-bottom: 8px;
        }
        .content-card h4 {
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .content-card p {
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-list {
            list-style: none;
            padding: 0;
        }
        .feature-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            border-bottom: 1px dashed var(--border);
        }
        .feature-list li::before {
            content: "⚽";
            position: absolute;
            left: 0;
            top: 8px;
            font-size: 1.1rem;
        }
        .tip-block {
            background: #f0f6ff;
            border-left: 6px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 16px 0;
        }
        .img-full {
            margin: 24px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .img-full figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 8px;
            font-style: italic;
        }
        .interactive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            margin: 40px 0;
        }
        .interactive-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .interactive-card h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card input,
        .interactive-card textarea,
        .interactive-card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: var(--font);
            background: #fff;
            transition: 0.2s;
            margin-bottom: 12px;
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus,
        .interactive-card select:focus {
            border-color: var(--primary-light);
            outline: none;
            box-shadow: 0 0 0 4px rgba(26, 58, 92, 0.08);
        }
        .interactive-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 58, 92, 0.25);
        }
        .btn-accent {
            background: var(--accent);
            color: #1e2a3a;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin-bottom: 12px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d0dae8;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--header-bg);
            color: #c8d4e0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-inner h4 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #b0c4d8;
            display: block;
            padding: 3px 0;
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 16px 20px;
            margin: 20px 0 12px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            display: inline-block;
            margin-right: 20px;
            padding: 4px 0;
            color: #b0c4d8;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #8899aa;
        }
        .last-updated {
            display: inline-block;
            background: var(--accent);
            color: #1e2a3a;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .interactive-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 8px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .interactive-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .hero-section {
                flex-direction: column;
                padding: 24px 18px;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .content-card {
                padding: 20px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }