*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1a6fb5;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d4a7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0a1e2f;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f59e0b;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f2b44 0%, #1a4b6d 100%);
            color: #fff;
            padding: 0.8rem 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;
            color: #f9d976;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #ffe499;
        }
        .my-logo i {
            margin-right: 0.3rem;
            color: #f59e0b;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f9d976;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 0.4rem;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 0;
            border-bottom: 1px solid #dce3ec;
            font-size: 0.88rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7f8c9b;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1a6fb5;
        }
        .breadcrumb .current {
            color: #4a5a6e;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #e8edf5 0%, #d4deec 100%);
            padding: 2.5rem 0 2rem;
            border-radius: 0 0 40px 40px;
            margin-bottom: 2rem;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero-text .badge {
            display: inline-block;
            background: #f59e0b;
            color: #0a1e2f;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            margin: 0.3rem 0 1rem;
            color: #0a1e2f;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: #2c3e50;
            max-width: 540px;
        }
        .hero-image {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            background: #b0c4de;
        }
        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
        }
        .search-section {
            background: #fff;
            padding: 1.8rem 0;
            border-radius: 20px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            border: 2px solid #dce3ec;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-form:focus-within {
            border-color: #f59e0b;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-form button {
            background: #f59e0b;
            border: none;
            color: #0a1e2f;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #e08e00;
        }
        .content-area {
            display: grid;
            grid-template-columns: 2.5fr 1fr;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            background: #fff;
            padding: 2.2rem 2.5rem;
            border-radius: 28px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .main-content .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #e8f0fe;
            color: #1a4b6d;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        .main-content .update-badge i {
            color: #f59e0b;
        }
        .sidebar {
            background: #fff;
            padding: 1.8rem 1.8rem;
            border-radius: 28px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            border-bottom: 2px solid #eef2f7;
            padding-bottom: 0.6rem;
            margin-top: 0;
            margin-bottom: 1.2rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 0.7rem;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.5rem 0.8rem;
            border-radius: 10px;
            background: #f8f9fc;
            transition: background 0.2s;
            font-size: 0.92rem;
        }
        .sidebar ul li a:hover {
            background: #e8edf5;
            text-decoration: none;
        }
        .sidebar ul li a i {
            color: #f59e0b;
            width: 1.2rem;
            text-align: center;
        }
        .rating-box {
            background: #f8f9fc;
            border-radius: 18px;
            padding: 1.6rem;
            margin: 2rem 0 1.5rem;
            border: 1px solid #e8edf5;
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 2rem;
            color: #dce3ec;
            cursor: pointer;
            margin: 0.8rem 0;
        }
        .rating-stars .star {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #f59e0b;
            transform: scale(1.15);
        }
        .rating-stars .star.selected {
            color: #f59e0b;
        }
        .rating-form button {
            background: #1a4b6d;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: #0f2b44;
        }
        .comment-section {
            background: #f8f9fc;
            border-radius: 18px;
            padding: 1.6rem;
            margin: 1.8rem 0;
            border: 1px solid #e8edf5;
        }
        .comment-section textarea {
            width: 100%;
            border: 2px solid #dce3ec;
            border-radius: 14px;
            padding: 0.9rem 1.2rem;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.3s;
            background: #fff;
        }
        .comment-section textarea:focus {
            border-color: #f59e0b;
            outline: none;
        }
        .comment-section .comment-inputs {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 0.8rem 0;
        }
        .comment-section .comment-inputs input {
            flex: 1;
            min-width: 180px;
            border: 2px solid #dce3ec;
            border-radius: 40px;
            padding: 0.7rem 1.2rem;
            font-size: 0.9rem;
            background: #fff;
            transition: border-color 0.3s;
        }
        .comment-section .comment-inputs input:focus {
            border-color: #f59e0b;
            outline: none;
        }
        .comment-section .btn-submit {
            background: #f59e0b;
            color: #0a1e2f;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-section .btn-submit:hover {
            background: #e08e00;
        }
        .site-footer {
            background: #0f2b44;
            color: #cbd5e1;
            padding: 2.5rem 0 1.2rem;
            margin-top: 3.5rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-grid h4 {
            color: #f9d976;
            margin-top: 0;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #a0b8cc;
        }
        .footer-grid a:hover {
            color: #f9d976;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.5rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.5rem 0 1rem;
            border-left: 3px solid #f59e0b;
        }
        friend-link a {
            color: #a0b8cc;
            margin: 0 0.8rem 0 0.2rem;
            display: inline-block;
        }
        friend-link a:hover {
            color: #f9d976;
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #8899aa;
        }
        .copyright strong {
            color: #cbd5e1;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-text p {
                margin: 0 auto;
            }
            .hero-text .badge {
                margin-left: auto;
                margin-right: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 43, 68, 0.98);
                padding: 1rem 0;
                border-radius: 0 0 20px 20px;
                margin-top: 0.8rem;
                gap: 0;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.8rem 1.2rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .main-content {
                padding: 1.5rem 1.2rem;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
                border: none;
                gap: 0.6rem;
                background: transparent;
            }
            .search-form input {
                border-radius: 40px;
                border: 2px solid #dce3ec;
            }
            .search-form button {
                border-radius: 40px;
                padding: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .hero {
                padding: 1.5rem 0 1rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .main-content {
                padding: 1rem 0.9rem;
            }
            .sidebar {
                padding: 1rem 0.9rem;
            }
        }
        .text-highlight {
            background: linear-gradient(120deg, #fef3c7 0%, #fde68a 100%);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .stat-card {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            border-left: 4px solid #f59e0b;
            margin: 1.2rem 0;
        }
        .stat-card strong {
            color: #0a1e2f;
        }
        .tip-box {
            background: #e8f5e9;
            border-radius: 14px;
            padding: 1rem 1.4rem;
            margin: 1.2rem 0;
            border-left: 4px solid #2e7d32;
        }
        .tip-box i {
            color: #2e7d32;
            margin-right: 0.5rem;
        }
        .inline-link {
            font-weight: 600;
            color: #1a6fb5;
        }
        .inline-link:hover {
            color: #0d4a7a;
        }
        .emoji-spacer {
            margin: 0 0.2rem;
        }