*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
        }
        a {
            color: #0a4b7a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #0f172a;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
        }
        h2 {
            font-size: 1.7rem;
            margin: 2.5rem 0 1rem 0;
            border-bottom: 3px solid #e63946;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.3rem;
            margin: 1.8rem 0 0.7rem 0;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem 0;
            color: #2c4c6b;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0a1f3e 0%, #1a3a6b 100%);
            color: #fff;
            padding: 0 0 6px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #facc15;
            letter-spacing: -0.03em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #fde047;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .my-logo i {
            color: #e63946;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e0e7ef;
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #facc15;
            text-decoration: none;
        }
        nav a.active {
            background: #e63946;
            color: #fff;
        }
        .breadcrumb {
            padding: 10px 20px;
            max-width: 1200px;
            margin: 0 auto;
            font-size: 0.85rem;
            color: #94a3b8;
            background: transparent;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            color: #facc15;
            text-decoration: none;
        }
        .breadcrumb span {
            color: #f1f5f9;
        }
        .hero {
            background: linear-gradient(135deg, #0b2545 0%, #1e4a7a 100%);
            color: #fff;
            padding: 40px 20px 50px;
            text-align: center;
            border-radius: 0 0 40px 40px;
            margin-bottom: 30px;
        }
        .hero h1 {
            color: #fff;
            font-size: 2.6rem;
            max-width: 900px;
            margin: 0 auto 1rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0 auto 1.5rem;
            opacity: 0.9;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #facc15;
        }
        .hero .last-updated i {
            margin-right: 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin: 30px 0;
        }
        .main-content {
            background: #fff;
            padding: 35px 40px;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .sidebar {
            background: #fff;
            padding: 28px 24px;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            border-bottom: 2px solid #e63946;
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 10px;
            border-bottom: 1px solid #f1f1f1;
            padding-bottom: 10px;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: block;
            padding: 4px 0;
        }
        .sidebar ul li a:hover {
            color: #e63946;
            text-decoration: none;
            padding-left: 6px;
        }
        .feature-img {
            margin: 24px 0 30px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
        }
        .feature-img img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #e2e8f0;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #e63946;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .info-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 20px 0;
            border: 1px solid #e9edf2;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .info-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.07);
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 20px 0;
            padding: 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #eef2f7;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            display: inline-block;
            transition: background 0.2s, color 0.2s;
        }
        .link-list-inline li a:hover {
            background: #e63946;
            color: #fff;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 28px 0 18px;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            border-color: #e63946;
        }
        .search-form button {
            padding: 14px 32px;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .search-form button:hover {
            background: #c1121f;
            transform: scale(1.02);
        }
        .comment-section {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px solid #e2e8f0;
        }
        .comment-section h2 {
            border-bottom: none;
            display: block;
        }
        .comment-form textarea {
            width: 100%;
            padding: 16px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 120px;
            outline: none;
            transition: border-color 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #e63946;
        }
        .comment-form .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 14px;
            align-items: center;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
        }
        .comment-form .form-row input:focus {
            border-color: #e63946;
        }
        .comment-form .form-row button {
            padding: 12px 36px;
            background: #0a4b7a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form .form-row button:hover {
            background: #063357;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
            margin: 12px 0 8px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
        }
        .score-form {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin: 10px 0 18px;
        }
        .score-form button {
            padding: 10px 28px;
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .score-form button:hover {
            background: #0f2a44;
        }
        footer {
            background: #0a1f3e;
            color: #cbd5e1;
            padding: 40px 20px 30px;
            margin-top: 50px;
            border-radius: 40px 40px 0 0;
        }
        footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer h4 {
            color: #facc15;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        footer a {
            color: #9ab3cf;
        }
        footer a:hover {
            color: #facc15;
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 18px 20px;
            border-radius: 16px;
            margin-top: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
            color: #8899b0;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 14px;
                border-top: 1px solid rgba(255, 255, 255, 0.15);
                margin-top: 12px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .header-inner {
                padding: 12px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero {
                padding: 28px 16px 36px;
            }
            .main-content {
                padding: 24px 18px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                width: 100%;
                min-width: unset;
            }
            .comment-form .form-row button {
                width: 100%;
            }
            footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .sidebar {
                padding: 18px 16px;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #94a3b8;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }