*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #F8F9FA;
            color: #1E2B3C;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #2C5F8A;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #F5A623;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1A365D 0%, #2C5F8A 100%);
            color: #fff;
            padding: 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;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #F5A623;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #F5A623;
        }
        .my-logo span {
            font-weight: 300;
            color: #B0D4F1;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #E8F0FE;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #F5A623;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #F5A623;
            color: #1A365D;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .breadcrumb {
            background: #E9ECEF;
            padding: 10px 20px;
            font-size: 0.85rem;
            border-bottom: 1px solid #DEE2E6;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: #2C5F8A;
        }
        .breadcrumb a:hover {
            color: #F5A623;
        }
        .breadcrumb span {
            color: #6C757D;
        }
        .breadcrumb .sep {
            margin: 0 4px;
            color: #ADB5BD;
        }
        .hero {
            background: linear-gradient(145deg, #1A365D 0%, #2C5F8A 60%, #3A7AB5 100%);
            color: #fff;
            padding: 50px 20px 40px;
            text-align: center;
            border-bottom: 6px solid #F5A623;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 20px;
            opacity: 0.92;
        }
        .hero .badge {
            display: inline-block;
            background: #F5A623;
            color: #1A365D;
            padding: 6px 20px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }
        .main-content {
            flex: 1;
            padding: 40px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1A365D;
            border-left: 6px solid #F5A623;
            padding-left: 18px;
            margin: 48px 0 20px;
        }
        .content-body h2:first-of-type {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #2C5F8A;
            margin: 32px 0 14px;
        }
        .content-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #1E2B3C;
            margin: 24px 0 10px;
        }
        .content-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .content-body .highlight-box {
            background: #E8F4FD;
            border-left: 6px solid #2C5F8A;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content-body .tip-box {
            background: #FFF8E1;
            border-left: 6px solid #F5A623;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content-body .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 28px 0;
        }
        .content-body .stat-item {
            background: #fff;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #E9ECEF;
        }
        .content-body .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #2C5F8A;
            display: block;
        }
        .content-body .stat-item .label {
            font-size: 0.9rem;
            color: #6C757D;
            margin-top: 4px;
        }
        .content-body .interview-box {
            background: #F0F7FF;
            border-radius: 16px;
            padding: 28px;
            margin: 32px 0;
            border: 1px solid #D0E4F5;
        }
        .content-body .interview-box .q {
            font-weight: 700;
            color: #1A365D;
        }
        .content-body .interview-box .a {
            margin-bottom: 18px;
            padding-left: 12px;
            border-left: 3px solid #F5A623;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #E9ECEF;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1A365D;
            margin-bottom: 14px;
            border-bottom: 2px solid #F5A623;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #F0F0F0;
        }
        .sidebar-card ul li a {
            font-size: 0.95rem;
        }
        .sidebar-card ul li a:hover {
            padding-left: 4px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 16px 0 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #DEE2E6;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #2C5F8A;
        }
        .search-form button {
            background: #2C5F8A;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0 24px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #1A365D;
        }
        .feedback-section {
            margin: 48px 0 20px;
            padding: 32px;
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #E9ECEF;
        }
        .feedback-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1A365D;
            margin-bottom: 20px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .feedback-form label {
            display: block;
            font-weight: 600;
            margin: 12px 0 4px;
            color: #1E2B3C;
        }
        .feedback-form input,
        .feedback-form textarea,
        .feedback-form select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #DEE2E6;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.25s;
            outline: none;
        }
        .feedback-form input:focus,
        .feedback-form textarea:focus,
        .feedback-form select:focus {
            border-color: #2C5F8A;
        }
        .feedback-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-form .btn-submit {
            background: #F5A623;
            color: #1A365D;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            margin-top: 16px;
            display: inline-block;
        }
        .feedback-form .btn-submit:hover {
            background: #E09515;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #DEE2E6;
            cursor: pointer;
            margin: 8px 0;
        }
        .rating-stars .star {
            transition: color 0.2s;
        }
        .rating-stars .star.active,
        .rating-stars .star:hover {
            color: #F5A623;
        }
        .site-footer {
            background: #1A365D;
            color: #D6E4F0;
            padding: 40px 20px 24px;
            margin-top: 40px;
            border-top: 6px solid #F5A623;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #B0D4F1;
        }
        .site-footer a:hover {
            color: #F5A623;
        }
        friend-link {
            display: block;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .copyright {
            text-align: center;
            grid-column: 1 / -1;
            padding-top: 20px;
            font-size: 0.85rem;
            opacity: 0.75;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 4px;
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .content-body h2 {
                font-size: 1.6rem;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .content-body .stat-box {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
            .content-body .stat-box {
                grid-template-columns: 1fr;
            }
            .feedback-section {
                padding: 20px 16px;
            }
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #6C757D;
            margin-top: 10px;
            font-style: italic;
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }
        .last-updated {
            display: inline-block;
            background: #E9ECEF;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #495057;
            margin-bottom: 20px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #2C5F8A;
        }