        *,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fb;
            color: #1a1a2e;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #004e92;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-block;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo span {
            font-weight: 300;
            color: #fff;
            -webkit-text-fill-color: #fff;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e9f5;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd200;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #ffd200;
            color: #0b1a2e;
        }
        .breadcrumb {
            background: #e9edf4;
            padding: 10px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #8a9bb5;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #004e92;
        }
        .breadcrumb .current {
            color: #6c7a8d;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #0f2b46, #1b4a6b);
            padding: 48px 0 40px;
            color: #fff;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: #ffd200;
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 760px;
            margin: 0 auto 20px;
            opacity: 0.92;
            font-weight: 300;
        }
        .hero .meta-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            padding: 8px 24px;
            border-radius: 40px;
            font-size: 0.95rem;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero .meta-badge i {
            color: #ffd200;
            margin-right: 6px;
        }
        .search-section {
            background: #fff;
            padding: 28px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce3ec;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 4px 24px rgba(0, 78, 146, 0.15);
            border-color: #004e92;
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 14px 22px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            min-width: 0;
        }
        .search-form button {
            background: #004e92;
            border: none;
            color: #fff;
            padding: 14px 28px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #003366;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 40px 36px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 48px 0 16px;
            color: #0b1a2e;
            border-bottom: 4px solid #ffd200;
            padding-bottom: 8px;
            display: inline-block;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 32px 0 12px;
            color: #1a3a5c;
        }
        .main-content h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #2c4a6e;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2d3748;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 28px;
            font-size: 1.05rem;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .highlight-box {
            background: #f0f6ff;
            border-left: 5px solid #ffd200;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: #004e92;
        }
        .main-content .emoji-lg {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .main-content .feature-img {
            margin: 28px 0;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .main-content .feature-img img {
            width: 100%;
            border-radius: 16px;
        }
        .main-content .feature-img figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #6c7a8d;
            margin-top: 8px;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #0b1a2e;
            border-bottom: 3px solid #ffd200;
            padding-bottom: 6px;
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
            border-bottom: 1px solid #f0f2f5;
            padding-bottom: 10px;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .sidebar-card a {
            font-weight: 500;
            display: block;
            padding: 4px 0;
        }
        .sidebar-card a i {
            color: #ff6b35;
            margin-right: 8px;
            font-size: 0.85rem;
        }
        .rating-section,
        .comment-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            margin-top: 36px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .rating-section h3,
        .comment-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #0b1a2e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: color 0.2s;
            flex-wrap: wrap;
        }
        .stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffd200;
            transform: scale(1.1);
        }
        .stars i.selected {
            color: #ffd200;
        }
        .rating-form button,
        .comment-form button {
            background: #004e92;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 12px;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #003366;
            transform: translateY(-2px);
        }
        .comment-form textarea {
            width: 100%;
            border: 1px solid #dce3ec;
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            transition: border-color 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #004e92;
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 78, 146, 0.1);
        }
        .comment-form input[type="text"] {
            width: 100%;
            border: 1px solid #dce3ec;
            border-radius: 12px;
            padding: 12px 18px;
            font-size: 1rem;
            margin-bottom: 12px;
            transition: border-color 0.3s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #004e92;
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 78, 146, 0.1);
        }
        .friend-links {
            background: #e9edf4;
            padding: 28px 0;
            border-top: 1px solid #dce3ec;
            border-bottom: 1px solid #dce3ec;
        }
        .friend-links .container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: center;
        }
        .friend-links a {
            color: #004e92;
            font-weight: 500;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .friend-links a:hover {
            background: rgba(0, 78, 146, 0.06);
            text-decoration: none;
        }
        .site-footer {
            background: #0b1a2e;
            color: #b0c4de;
            padding: 32px 0 24px;
            text-align: center;
            font-size: 0.95rem;
        }
        .site-footer .copyright {
            margin-top: 12px;
            color: #8a9bb5;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: #ffd200;
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .main-content {
                padding: 28px 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-form input[type="text"] {
                border-radius: 16px 16px 0 0;
                padding: 14px 18px;
            }
            .search-form button {
                border-radius: 0 0 16px 16px;
                justify-content: center;
                padding: 14px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .rating-section,
            .comment-section {
                padding: 20px 18px;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.3rem;
            }
            .stars {
                font-size: 1.6rem;
            }
            .friend-links .container {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 12px;
            }
            .main-content {
                padding: 20px 14px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #6c7a8d;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-2 {
            margin-bottom: 20px;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .gap-2 {
            gap: 12px;
        }
        .rating-value {
            font-weight: 700;
            color: #004e92;
            font-size: 1.2rem;
        }
