* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0a2f5a;
            --primary-light: #1b4a7a;
            --secondary: #e8b830;
            --accent: #d45a2a;
            --bg: #f5f7fa;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a5a;
            --border: #dce1e8;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #0d3b6b 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo span {
            color: var(--secondary);
        }
        .my-logo i {
            font-size: 1.8rem;
            color: var(--secondary);
        }
        .my-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 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: rgba(255, 255, 255, 0.88);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: var(--secondary);
            color: var(--primary);
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 8px;
        }
        .breadcrumb-wrap a {
            color: var(--primary-light);
        }
        .breadcrumb-wrap span {
            color: var(--text-light);
        }
        .breadcrumb-wrap .sep {
            color: #b0b8c4;
        }
        .hero-section {
            background: linear-gradient(135deg, #eef3f9 0%, #dce6f0 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .hero-section .container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
        }
        .hero-text {
            flex: 1 1 55%;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero-text h1 i {
            color: var(--secondary);
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
        }
        .hero-img {
            flex: 1 1 38%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: #cbd8e6;
            min-height: 200px;
            overflow: hidden;
        }
        .hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .search-wrap {
            margin: 28px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 540px;
        }
        .search-wrap input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            min-width: 180px;
        }
        .search-wrap input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(26, 74, 122, 0.12);
        }
        .search-wrap button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-wrap button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 44px 0 60px;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 6px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card li a {
            font-size: 0.92rem;
        }
        .content-area h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
        }
        .content-area h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .content-area h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 28px 0 12px;
        }
        .content-area h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #1f3a5f;
            margin: 20px 0 8px;
        }
        .content-area p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .content-area ul,
        .content-area ol {
            margin: 12px 0 20px 24px;
        }
        .content-area li {
            margin-bottom: 6px;
        }
        .highlight-box {
            background: #eef6fb;
            border-left: 5px solid var(--primary-light);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }
        .insight-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 12px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-card .num {
            font-size: 2.0rem;
            font-weight: 800;
            color: var(--primary);
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .feedback-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 30px 28px;
            margin: 40px 0 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .feedback-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            transition: 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-light);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 74, 122, 0.08);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 140px;
        }
        .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-submit:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(10, 47, 90, 0.25);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d0d5dd;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: 0.15s;
        }
        .rating-stars .star.active,
        .rating-stars .star:hover {
            color: var(--secondary);
        }
        .last-updated {
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: right;
            padding: 8px 0 4px;
            border-top: 1px solid var(--border);
            margin-top: 20px;
        }
        .last-updated i {
            margin-right: 4px;
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 24px;
            margin-top: 20px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: space-between;
        }
        .footer-col {
            flex: 1 1 180px;
        }
        .footer-col h5 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.75);
            display: block;
            padding: 3px 0;
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin-top: 6px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 12px;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 2.0rem;
            }
            .hero-section .container {
                flex-direction: column-reverse;
            }
            .hero-img {
                flex: 1 1 100%;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
            .feedback-section {
                padding: 20px 16px;
            }
            .search-wrap input {
                min-width: 120px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-muted {
            color: var(--text-light);
        }
        .inline-icon {
            margin-right: 6px;
        }
        .img-placeholder {
            background: linear-gradient(135deg, #b8ccdd, #9bb3c9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1f3a5f;
            font-weight: 600;
            min-height: 220px;
            border-radius: var(--radius);
        }
        .img-placeholder i {
            font-size: 3rem;
            margin-right: 10px;
            opacity: 0.6;
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }