* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f4f7fb;
            color: #1e2a3a;
            line-height: 1.75;
            font-size: 16px;
        }
        a {
            color: #0077b6;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #023e8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2545 0%, #1b3a6b 50%, #0b2545 100%);
            color: #fff;
            padding: 16px 0;
            border-bottom: 4px solid #fca311;
            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: #fca311;
            letter-spacing: 1px;
            background: rgba(255,255,255,0.08);
            padding: 6px 18px;
            border-radius: 40px;
            border: 2px solid rgba(252,163,17,0.3);
            transition: all 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(252,163,17,0.15);
            border-color: #fca311;
            text-decoration: none;
            color: #fca311;
        }
        .my-logo i {
            margin-right: 8px;
            color: #48cae4;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.1);
        }
        .nav-menu {
            display: flex;
            gap: 8px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e0e8f0;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 20px;
            transition: all 0.25s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover {
            color: #fff;
            background: rgba(252,163,17,0.2);
            text-decoration: none;
            transform: translateY(-1px);
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 10px 0;
            font-size: 0.92rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6c757d;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0077b6;
        }
        .breadcrumb .current {
            color: #495057;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #e3f2fd 0%, #bbdefb 100%);
            padding: 48px 0 40px;
            border-radius: 0 0 40px 40px;
            margin-bottom: 36px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b2545;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .hero h1 i {
            color: #fca311;
        }
        .hero p {
            font-size: 1.2rem;
            color: #2c3e50;
            max-width: 800px;
            margin: 0 auto 16px;
        }
        .hero .badge {
            display: inline-block;
            background: #fca311;
            color: #0b2545;
            padding: 6px 20px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            margin-top: 8px;
        }
        .hero .badge i {
            margin-right: 6px;
        }
        .last-updated {
            display: block;
            margin-top: 14px;
            color: #495057;
            font-size: 0.9rem;
            font-weight: 500;
        }
        .last-updated i {
            margin-right: 6px;
            color: #fca311;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 36px;
            margin-bottom: 48px;
        }
        .main-article h2 {
            font-size: 2rem;
            color: #0b2545;
            border-left: 6px solid #fca311;
            padding-left: 18px;
            margin: 40px 0 20px;
        }
        .main-article h3 {
            font-size: 1.5rem;
            color: #1b3a6b;
            margin: 32px 0 14px;
            border-bottom: 2px dashed #d0d7de;
            padding-bottom: 6px;
        }
        .main-article h4 {
            font-size: 1.2rem;
            color: #2c3e50;
            margin: 24px 0 10px;
            font-weight: 700;
        }
        .main-article p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .main-article ul,
        .main-article ol {
            margin: 14px 0 20px 28px;
        }
        .main-article li {
            margin-bottom: 10px;
        }
        .main-article .highlight-box {
            background: #e8f4f8;
            border-left: 6px solid #0077b6;
            padding: 18px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .main-article .highlight-box strong {
            color: #0b2545;
        }
        .main-article .insight-card {
            background: #fff;
            border-radius: 16px;
            padding: 20px 24px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            margin: 24px 0;
            border: 1px solid #e9ecef;
        }
        .main-article .insight-card i {
            color: #fca311;
            margin-right: 8px;
        }
        .main-article .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .main-article .stat-item {
            background: #fff;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            border: 1px solid #e9ecef;
            transition: transform 0.2s;
        }
        .main-article .stat-item:hover {
            transform: translateY(-4px);
        }
        .main-article .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0077b6;
            display: block;
        }
        .main-article .stat-item .label {
            font-size: 0.95rem;
            color: #495057;
            font-weight: 500;
        }
        .main-article .feature-img-wrap {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0,0,0,0.08);
        }
        .main-article .feature-img-wrap figcaption {
            background: #f8f9fa;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #495057;
            border-top: 1px solid #e9ecef;
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #e9ecef;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #0b2545;
            border-bottom: 3px solid #fca311;
            padding-bottom: 8px;
            margin-bottom: 18px;
        }
        .sidebar .link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar .link-list li {
            margin-bottom: 10px;
            border-bottom: 1px solid #f0f0f0;
            padding-bottom: 8px;
        }
        .sidebar .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: #1b3a6b;
        }
        .sidebar .link-list a i {
            color: #fca311;
            width: 20px;
            text-align: center;
        }
        .sidebar .link-list a:hover {
            color: #0077b6;
        }
        .interaction-section {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            margin: 40px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #e9ecef;
        }
        .interaction-section h2 {
            border-left: 6px solid #fca311;
            padding-left: 18px;
            color: #0b2545;
            margin-bottom: 24px;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .interaction-card {
            background: #f8f9fa;
            border-radius: 16px;
            padding: 20px;
            border: 1px solid #e9ecef;
        }
        .interaction-card h3 {
            font-size: 1.2rem;
            color: #0b2545;
            margin-bottom: 14px;
        }
        .interaction-card h3 i {
            color: #fca311;
            margin-right: 8px;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 10px 14px;
            border: 1px solid #d0d7de;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #0077b6;
            outline: none;
            box-shadow: 0 0 0 3px rgba(0,119,182,0.1);
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-card .btn {
            background: #0077b6;
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.95rem;
        }
        .interaction-card .btn:hover {
            background: #023e8a;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,119,182,0.3);
        }
        .interaction-card .btn i {
            margin-right: 6px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d0d7de;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #fca311;
        }
        .site-footer {
            background: #0b2545;
            color: #e0e8f0;
            padding: 36px 0 20px;
            margin-top: 48px;
            border-top: 4px solid #fca311;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 24px;
        }
        .footer-inner h4 {
            color: #fca311;
            font-size: 1.1rem;
            margin-bottom: 14px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 6px;
        }
        .footer-inner a {
            color: #a8c8e8;
        }
        .footer-inner a:hover {
            color: #fca311;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            margin-bottom: 8px;
        }
        .footer-inner ul li i {
            margin-right: 8px;
            color: #fca311;
            font-size: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 16px;
        }
        friend-link a {
            color: #a8c8e8;
            margin: 0 12px 0 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: #fca311;
        }
        .copyright {
            text-align: center;
            padding-top: 18px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.9rem;
            color: #8a9bb5;
        }
        .copyright i {
            color: #fca311;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 36px;
            }
            .interaction-grid {
                grid-template-columns: 1fr 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;
                padding: 16px 0 8px;
                gap: 6px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
                padding: 4px 14px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .breadcrumb ul {
                font-size: 0.82rem;
                gap: 4px 8px;
            }
            .main-article h2 {
                font-size: 1.6rem;
            }
            .main-article h3 {
                font-size: 1.3rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 28px 0 24px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .interaction-card {
                padding: 14px;
            }
            .sidebar {
                padding: 16px;
            }
        }