*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #0b4f6c;
            --primary-light: #118ab2;
            --secondary: #06d6a0;
            --accent: #ffd166;
            --dark: #073b4c;
            --bg: #f4f9fc;
            --card-bg: #ffffff;
            --text: #1a2a3a;
            --text-light: #4a5a6a;
            --border: #d0e0e8;
            --shadow: 0 6px 24px rgba(7, 59, 76, 0.10);
            --radius: 16px;
            --radius-sm: 8px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-bg: linear-gradient(145deg, #0b4f6c 0%, #073b4c 100%);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .site-header {
            background: var(--header-bg);
            color: #fff;
            padding: 0 1.5rem;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .my-logo span {
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.3rem;
            transition: transform 0.2s;
        }
        .nav-toggle:hover {
            transform: scale(1.1);
        }
        .primary-nav {
            display: flex;
            align-items: center;
            gap: 1.6rem;
        }
        .primary-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s, color 0.25s;
        }
        .primary-nav a:hover {
            color: #fff;
            border-bottom-color: var(--secondary);
            text-decoration: none;
        }
        .primary-nav a.active {
            color: #fff;
            border-bottom-color: var(--secondary);
        }
        .breadcrumb-wrap {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0.8rem 1.5rem 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            font-size: 0.85rem;
            color: var(--text-light);
            list-style: none;
            padding: 0.4rem 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: var(--text-light);
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a:hover {
            color: var(--dark);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 1.2rem 1.5rem 2.5rem;
            flex: 1;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            align-items: start;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 88px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.6rem;
            box-shadow: var(--shadow);
            margin-bottom: 1.6rem;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 0.8rem;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 0.4rem;
        }
        .sidebar-link-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .sidebar-link-list li a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: background 0.2s, transform 0.15s;
            font-size: 0.92rem;
        }
        .sidebar-link-list li a:hover {
            background: var(--secondary);
            color: var(--dark);
            transform: translateX(4px);
            text-decoration: none;
        }
        .sidebar-link-list li a i {
            width: 1.2rem;
            color: var(--primary-light);
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: var(--primary-light);
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--dark);
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            line-height: 1.3;
            border-left: 5px solid var(--secondary);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 2rem;
            margin-bottom: 0.7rem;
            line-height: 1.35;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--dark);
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.02rem;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 400;
            line-height: 1.6;
        }
        .highlight {
            background: linear-gradient(to right, var(--accent), #ffe599);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .stat-box {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 3rem;
            justify-content: space-around;
            text-align: center;
        }
        .stat-item {
            flex: 1 0 140px;
        }
        .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .feature-img-wrap {
            margin: 2rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--card-bg);
        }
        .feature-img-wrap img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .feature-img-wrap figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-light);
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        .info-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(7, 59, 76, 0.12);
        }
        .info-card i {
            font-size: 1.8rem;
            color: var(--primary-light);
            margin-bottom: 0.6rem;
        }
        .info-card h4 {
            margin-top: 0;
        }
        .info-card p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .interview-block {
            background: linear-gradient(135deg, #e6f4f8, #d4ece6);
            border-radius: var(--radius);
            padding: 2rem;
            margin: 2rem 0;
            border-left: 6px solid var(--primary);
        }
        .interview-block .speaker {
            font-weight: 700;
            color: var(--dark);
        }
        .interview-block .speaker::before {
            content: "🎙️ ";
        }
        .interview-block .q {
            font-weight: 600;
            color: var(--primary);
        }
        .interview-block .q::before {
            content: "Q: ";
        }
        .interview-block .a {
            margin-left: 1.2rem;
            margin-bottom: 1rem;
        }
        .interview-block .a::before {
            content: "A: ";
            font-weight: 600;
            color: var(--secondary);
        }
        .tip-box {
            background: #fef9e7;
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.5rem;
            border-left: 5px solid var(--accent);
            margin: 1.4rem 0;
        }
        .tip-box strong {
            color: var(--dark);
        }
        .tip-box i {
            color: var(--accent);
            margin-right: 0.4rem;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            margin: 1.8rem 0;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.25s;
            background: var(--card-bg);
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            padding: 0.7rem 1.8rem;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .comment-section,
        .rating-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin: 2.5rem 0;
        }
        .comment-section h2,
        .rating-section h2 {
            margin-top: 0;
            border-left-color: var(--primary);
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.25s;
        }
        .comment-form textarea:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 0.95rem;
            transition: border-color 0.25s;
        }
        .comment-form .form-row input:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .comment-form .btn-submit {
            padding: 0.7rem 2rem;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form .btn-submit:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 2rem;
            margin: 1rem 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: var(--accent);
        }
        .rating-stars label:hover {
            transform: scale(1.15);
        }
        .rating-form .btn-submit {
            padding: 0.6rem 1.8rem;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rating-form .btn-submit:hover {
            background: var(--primary-light);
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 2.5rem 1.5rem 1.8rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-inner h4 {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            margin-top: 0;
        }
        .footer-inner p {
            font-size: 0.92rem;
            margin-bottom: 0.6rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.6rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 1.2rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        friend-link a {
            color: var(--accent);
            margin: 0 0.6rem 0 0.2rem;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 1.5rem;
        }
        .copyright strong {
            color: rgba(255, 255, 255, 0.7);
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: var(--dark);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .update-badge i {
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 0 1rem;
            }
            .header-inner {
                height: 60px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--dark);
                flex-direction: column;
                padding: 1rem 1.5rem 1.5rem;
                gap: 0.6rem;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.35s ease, opacity 0.3s ease;
                pointer-events: none;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .primary-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .primary-nav a {
                font-size: 1.05rem;
                padding: 0.6rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0.8rem 1rem 2rem;
            }
            .breadcrumb-wrap {
                padding: 0.4rem 1rem 0;
            }
            .stat-box {
                flex-direction: column;
                gap: 1rem;
                padding: 1.2rem;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .interview-block {
                padding: 1.2rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.7rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .container {
                padding: 0.5rem 0.8rem 1.5rem;
            }
        }
        @media print {
            .site-header {
                position: static;
                background: #fff;
                color: #000;
            }
            .my-logo {
                color: #000;
            }
            .nav-toggle,
            .primary-nav {
                display: none !important;
            }
            .sidebar {
                display: none !important;
            }
            .content-grid {
                display: block;
            }
            .comment-section,
            .rating-section,
            .search-form {
                display: none !important;
            }
            .site-footer {
                background: #f4f4f4;
                color: #333;
            }
            .footer-inner h4 {
                color: #333;
            }
            .footer-links a {
                color: #333;
            }
        }