*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0057a3;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a1628, #1a2a4a);
            border-radius: 0 0 24px 24px;
            padding: 1rem 0;
            margin-bottom: 1.5rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 10;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(to right, #f9d423, #ff4e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9d423;
            font-size: 1.8rem;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            color: #eef5ff;
            font-weight: 500;
            border-radius: 40px;
            font-size: 0.9rem;
            transition: background 0.3s, color 0.3s;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #f9d423;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .breadcrumb {
            background: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            margin: 0.5rem 0 1.2rem 0;
        }
        .breadcrumb a {
            color: #0057a3;
        }
        .breadcrumb span {
            color: #555;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #999;
        }
        .hero {
            background: linear-gradient(145deg, #0f1f3a, #1d3557);
            border-radius: 24px;
            padding: 2.5rem 2rem;
            margin-bottom: 2rem;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .hero-content h1 span {
            background: linear-gradient(to right, #f9d423, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 1.2rem;
        }
        .hero-img {
            border-radius: 20px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            object-fit: cover;
            width: 100%;
            height: 260px;
            background: #2a3f5f;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #bcd5ff;
            font-size: 1rem;
        }
        .hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 20px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-article {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            border-radius: 24px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            height: fit-content;
            position: sticky;
            top: 1.5rem;
        }
        .main-article h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0a1628;
            margin: 2.2rem 0 1rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #f9d423;
        }
        .main-article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a2a4a;
            margin: 1.8rem 0 0.7rem 0;
        }
        .main-article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2d3f5f;
            margin: 1.2rem 0 0.4rem 0;
        }
        .main-article p {
            margin-bottom: 1rem;
            color: #2c3e50;
        }
        .main-article ul,
        .main-article ol {
            margin: 0.6rem 0 1.2rem 1.8rem;
            color: #2c3e50;
        }
        .main-article li {
            margin-bottom: 0.4rem;
        }
        .highlight {
            background: #fef9e7;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .search-box {
            background: #f0f4fe;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.5rem;
            display: flex;
            align-items: center;
            max-width: 400px;
            margin: 1rem 0 1.6rem 0;
            border: 1px solid #dce6f0;
            transition: box-shadow 0.3s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 3px rgba(0, 87, 163, 0.15);
            border-color: #0057a3;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 0;
            font-size: 0.95rem;
            outline: none;
            font-family: inherit;
        }
        .search-box button {
            background: #0057a3;
            border: none;
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #003d73;
        }
        .comment-section,
        .rating-section {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 2px solid #eef2f7;
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form,
        .rating-form {
            display: grid;
            gap: 1rem;
            max-width: 600px;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form input,
        .rating-form select {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 1px solid #d0dae8;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: border-color 0.3s, box-shadow 0.3s;
            background: #fafcff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form input:focus,
        .rating-form select:focus {
            outline: none;
            border-color: #0057a3;
            box-shadow: 0 0 0 3px rgba(0, 87, 163, 0.1);
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: #1a2a4a;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            width: fit-content;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #0f1f3a;
            transform: translateY(-2px);
        }
        .sidebar h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0a1628;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f9d423;
        }
        .sidebar ul {
            list-style: none;
            margin: 0;
        }
        .sidebar li {
            margin-bottom: 0.6rem;
        }
        .sidebar li a {
            display: block;
            padding: 0.5rem 0.8rem;
            background: #f5f8ff;
            border-radius: 10px;
            font-size: 0.9rem;
            transition: background 0.3s, transform 0.2s;
        }
        .sidebar li a:hover {
            background: #e6edfd;
            transform: translateX(4px);
            text-decoration: none;
        }
        .sidebar .link-list-icon {
            margin-right: 0.5rem;
            color: #f9d423;
        }
        .site-footer {
            background: #0a1628;
            color: #cbd5e1;
            border-radius: 24px 24px 0 0;
            padding: 2.5rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f9d423;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-grid p,
        .footer-grid a {
            color: #b0c4de;
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: #f9d423;
        }
        friend-link {
            display: block;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #1e3150;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            color: #8ab4f8;
        }
        friend-link a:hover {
            color: #f9d423;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e3150;
            font-size: 0.85rem;
            color: #7a8fa8;
        }
        @media (max-width: 992px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 2rem 1.5rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-img {
                height: 200px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 22, 40, 0.98);
                border-radius: 16px;
                padding: 0.8rem 0.4rem;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1rem;
                font-size: 0.95rem;
            }
            .hamburger {
                display: block;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .main-article {
                padding: 1.2rem 1rem;
            }
            .main-article h2 {
                font-size: 1.5rem;
            }
            .main-article h3 {
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .search-box {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.3rem;
            }
            .search-box input {
                padding: 0.5rem 0.8rem;
                min-width: 120px;
            }
            .search-box button {
                padding: 0.5rem 1.2rem;
                font-size: 0.85rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 1.5rem 1rem;
            }
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-img {
                height: 160px;
            }
            .main-article h2 {
                font-size: 1.3rem;
            }
            .comment-form button,
            .rating-form button {
                width: 100%;
                justify-content: center;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }