*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3c6e;
            --primary-light: #2a5a9e;
            --accent: #ff6b35;
            --accent-light: #ff8a5c;
            --bg: #f8f9fc;
            --card-bg: #ffffff;
            --text: #1e1e2a;
            --text-light: #4a4a5a;
            --border: #e2e6ef;
            --success: #28a745;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: 0.25s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 0 2rem 0;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #0f2a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: var(--accent);
            padding: 0.2rem 1rem;
            border-radius: var(--radius-sm);
            transition: transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #fff;
        }
        .my-logo i {
            font-size: 1.6rem;
        }
        .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 var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.6rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e8ecf4;
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 0.3rem 0;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-menu a:hover::after {
            width: 100%;
        }
        .nav-menu a:hover {
            color: #fff;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 0.5rem 1.2rem;
            border-radius: 30px;
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            font-size: 0.82rem;
            margin-top: 0.5rem;
            color: #c8d0e0;
        }
        .breadcrumb a {
            color: #c8d0e0;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            color: #8a9bb8;
        }
        .hero {
            padding: 2.5rem 0 1.8rem;
            background: linear-gradient(180deg, #eef2f9 0%, #fff 100%);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: var(--primary);
            margin-bottom: 0.6rem;
        }
        .hero h1 i {
            color: var(--accent);
        }
        .hero .sub {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 780px;
            margin-bottom: 0.8rem;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.4rem;
            font-size: 0.92rem;
            color: var(--text-light);
            margin-top: 0.5rem;
        }
        .hero-meta i {
            margin-right: 0.3rem;
            color: var(--accent);
        }
        .last-updated {
            background: var(--accent);
            color: #fff;
            padding: 0.15rem 0.9rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.82rem;
            display: inline-block;
        }
        .search-section {
            padding: 0.8rem 0 1.2rem;
        }
        .search-form {
            display: flex;
            max-width: 520px;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            background: #fff;
            transition: box-shadow var(--transition);
        }
        .search-form:focus-within {
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.25);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.3rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
            font-family: inherit;
        }
        .search-form button {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 0 1.6rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
        }
        .search-form button:hover {
            background: var(--accent-light);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.2rem;
            padding: 1.5rem 0 2.5rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .section-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform var(--transition);
        }
        .section-card:hover {
            transform: translateY(-2px);
        }
        .section-card h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        .section-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 1.4rem 0 0.6rem;
        }
        .section-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin: 1rem 0 0.4rem;
        }
        .section-card p {
            margin-bottom: 0.9rem;
            color: var(--text-light);
        }
        .section-card p strong {
            color: var(--text);
        }
        .section-card ul,
        .section-card ol {
            margin: 0.6rem 0 1rem 1.6rem;
            color: var(--text-light);
        }
        .section-card li {
            margin-bottom: 0.4rem;
        }
        .section-card .insight-box {
            background: #f0f4fe;
            border-left: 4px solid var(--primary-light);
            padding: 1rem 1.4rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1rem 0;
        }
        .section-card .insight-box i {
            color: var(--primary-light);
            margin-right: 0.5rem;
        }
        .feature-img {
            margin: 1.2rem 0;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
        }
        .feature-img img {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: var(--text-light);
            padding: 0.5rem 0.2rem 0;
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0.6rem 0;
        }
        .link-list-inline a {
            font-weight: 500;
            font-size: 0.92rem;
        }
        .link-list-inline a i {
            margin-right: 0.3rem;
            font-size: 0.75rem;
            color: var(--accent);
        }
        .sidebar .side-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.4rem 1.5rem;
            margin-bottom: 1.6rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .side-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.8rem;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 0.4rem;
        }
        .side-card ul {
            list-style: none;
            padding: 0;
        }
        .side-card ul li {
            padding: 0.45rem 0;
            border-bottom: 1px solid #f0f2f6;
        }
        .side-card ul li:last-child {
            border-bottom: none;
        }
        .side-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .side-card ul li a i {
            color: var(--accent);
            font-size: 0.75rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.7rem;
            cursor: pointer;
            color: #ddd;
            transition: color var(--transition);
            direction: rtl;
        }
        .rating-starts input {
            display: none;
        }
        .rating-stars label {
            transition: color 0.15s;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f5b342;
        }
        .rating-stars input:checked+label {
            color: #f5b342;
        }
        .rating-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem 1.5rem;
            margin: 0.6rem 0;
        }
        .rating-wrap .avg {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
        }
        .comment-form textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0.9rem 1.1rem;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            transition: border var(--transition);
            background: #fafbfc;
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-light);
            background: #fff;
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin: 0.6rem 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            font-family: inherit;
            font-size: 0.9rem;
            background: #fafbfc;
            transition: border var(--transition);
        }
        .comment-form .form-row input:focus {
            outline: none;
            border-color: var(--primary-light);
            background: #fff;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-family: inherit;
        }
        .btn:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
        }
        .btn-sm {
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
        }
        .site-footer {
            background: var(--primary);
            color: #d0d8e8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2.5rem;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-inner a {
            color: #b0c4e8;
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            padding: 0.25rem 0;
        }
        .footer-inner .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.4rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8a9bb8;
        }
        friend-link {
            display: block;
            padding: 1rem 0 0.2rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            padding: 0.2rem 1rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 30px;
            font-size: 0.88rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem;
                gap: 0.6rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
                padding: 0.1rem 0.8rem;
            }
            .section-card {
                padding: 1.2rem 1.2rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.72rem;
                padding: 0.3rem 0.8rem;
            }
            .rating-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .search-form input {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
            }
            .search-form button {
                padding: 0 1rem;
                font-size: 0.85rem;
            }
            .section-card h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        .section-card {
            opacity: 0;
            animation: fadeUp 0.5s ease forwards;
        }
        .section-card:nth-child(1) {
            animation-delay: 0.05s;
        }
        .section-card:nth-child(2) {
            animation-delay: 0.1s;
        }
        .section-card:nth-child(3) {
            animation-delay: 0.15s;
        }
        .section-card:nth-child(4) {
            animation-delay: 0.2s;
        }
        .section-card:nth-child(5) {
            animation-delay: 0.25s;
        }
        .section-card:nth-child(6) {
            animation-delay: 0.3s;
        }
        .section-card:nth-child(7) {
            animation-delay: 0.35s;
        }
        .section-card:nth-child(8) {
            animation-delay: 0.4s;
        }
        .section-card:nth-child(9) {
            animation-delay: 0.45s;
        }
        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }