*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f4f7fa;
            color: #1a2a3a;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #004499;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
            color: #fff;
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f9d342;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffe270;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #b0d4f0;
            display: block;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            color: #e8f0fe;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f9d342;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #f9d342;
            color: #0b1a2e;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: opacity 0.2s;
        }
        .hamburger:hover {
            opacity: 0.8;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 12px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d0d9e2;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #6a7a8a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2a4a6a;
        }
        .breadcrumb .current {
            color: #1a2a3a;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0f2a44, #1e4d7a);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🏈";
            position: absolute;
            right: -30px;
            bottom: -30px;
            font-size: 18rem;
            opacity: 0.06;
            transform: rotate(-15deg);
            pointer-events: none;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 span {
            color: #f9d342;
        }
        .hero p {
            font-size: 1.25rem;
            max-width: 720px;
            margin: 0 auto 20px;
            opacity: 0.92;
            font-weight: 300;
        }
        .hero .meta-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 0.95rem;
            opacity: 0.8;
            margin-top: 12px;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #f9d342;
        }
        .main-content {
            flex: 1;
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 40px 45px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
        }
        .article-body h2 {
            font-size: 2rem;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #0b1a2e;
            border-bottom: 4px solid #f9d342;
            padding-bottom: 8px;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.5rem;
            margin-top: 36px;
            margin-bottom: 12px;
            color: #1a3a5c;
        }
        .article-body h4 {
            font-size: 1.2rem;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2a4a6a;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 24px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .article-body .highlight-box {
            background: #f0f6fe;
            border-left: 6px solid #f9d342;
            padding: 20px 28px;
            border-radius: 12px;
            margin: 28px 0;
        }
        .article-body .highlight-box strong {
            color: #0b1a2e;
        }
        .article-body .feature-img {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .article-body .feature-img img {
            width: 100%;
            height: auto;
        }
        .article-body .feature-img figcaption {
            padding: 12px 20px;
            background: #f4f7fa;
            font-size: 0.9rem;
            color: #4a5a6a;
            text-align: center;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            padding: 16px 0;
            margin: 20px 0;
            border-top: 1px solid #e0e6ec;
            border-bottom: 1px solid #e0e6ec;
        }
        .link-list-inline a {
            font-weight: 500;
            font-size: 0.95rem;
        }
        .link-list-inline a i {
            margin-right: 4px;
            font-size: 0.8rem;
            color: #f9d342;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: #0b1a2e;
            border-left: 4px solid #f9d342;
            padding-left: 12px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card a {
            font-weight: 500;
            display: block;
            padding: 6px 0;
        }
        .sidebar-card a i {
            color: #f9d342;
            margin-right: 8px;
            font-size: 0.85rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #d0d9e2;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #f9fbfd;
        }
        .search-form input:focus {
            border-color: #f9d342;
        }
        .search-form button {
            background: #0b1a2e;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 12px 22px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #1a3a5c;
            transform: scale(1.02);
        }
        .feedback-forms {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
            padding-top: 36px;
            border-top: 2px solid #e0e6ec;
        }
        .feedback-forms .form-group {
            margin-bottom: 16px;
        }
        .feedback-forms label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .feedback-forms input,
        .feedback-forms textarea,
        .feedback-forms select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d0d9e2;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #f9fbfd;
            font-family: inherit;
        }
        .feedback-forms input:focus,
        .feedback-forms textarea:focus,
        .feedback-forms select:focus {
            border-color: #f9d342;
        }
        .feedback-forms textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-forms .btn-submit {
            background: #f9d342;
            color: #0b1a2e;
            border: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-block;
        }
        .feedback-forms .btn-submit:hover {
            background: #e8c130;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d0d9e2;
            cursor: pointer;
            margin: 6px 0 12px;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f9d342;
            transform: scale(1.1);
        }
        .site-footer {
            background: #0b1a2e;
            color: #c0d0e0;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: #f9d342;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-inner a {
            color: #b0c8e0;
            display: block;
            margin-bottom: 6px;
            font-size: 0.92rem;
        }
        .footer-inner a:hover {
            color: #f9d342;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid #1a3a5c;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.88rem;
        }
        .footer-bottom .copyright {
            color: #8a9aaa;
        }
        friend-link {
            display: block;
            margin-top: 8px;
            font-size: 0.92rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            margin-bottom: 4px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1a2e;
                padding: 16px 0 20px;
                border-radius: 0 0 16px 16px;
                margin-top: 12px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 20px;
                width: 100%;
                text-align: center;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.05rem;
            }
            .article-body {
                padding: 24px 18px;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .feedback-forms {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .link-list-inline {
                gap: 6px 12px;
            }
            .link-list-inline a {
                font-size: 0.85rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .article-body {
                padding: 16px 12px;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        .text-muted {
            color: #6a7a8a;
            font-size: 0.92rem;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #e9edf2;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2a4a6a;
        }
        .hidden-schema {
            display: none;
        }