* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f4f7fb;
            color: #1a2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #1e6f9f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0d3b5c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b2a40 0%, #1a4a6e 100%);
            color: #fff;
            padding: 16px 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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            color: #ffd166;
            text-decoration: none;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffd166;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 24px;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8f0f8;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd166;
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 12px 0;
            font-size: 14px;
            border-bottom: 1px solid #dce3ea;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #7a8a9a;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb .current {
            color: #4a5a6a;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #0d3b5c 0%, #2a6a8e 100%);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: -30px;
            left: 0;
            right: 0;
            height: 60px;
            background: #f4f7fb;
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .hero h1 i {
            color: #ffd166;
            margin-right: 12px;
        }
        .hero p {
            font-size: 18px;
            max-width: 720px;
            margin: 0 auto 12px;
            opacity: 0.9;
        }
        .hero .meta {
            font-size: 14px;
            opacity: 0.7;
            margin-top: 16px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        .content-area {
            background: #fff;
            border-radius: 16px;
            padding: 36px 40px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .content-area h2 {
            font-size: 28px;
            margin-top: 40px;
            margin-bottom: 16px;
            color: #0b2a40;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 8px;
            display: inline-block;
        }
        .content-area h2:first-child {
            margin-top: 0;
        }
        .content-area h3 {
            font-size: 22px;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1a4a6e;
        }
        .content-area h4 {
            font-size: 18px;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2a5a7a;
            font-weight: 600;
        }
        .content-area p {
            margin-bottom: 18px;
            color: #2a3a4a;
        }
        .content-area ul,
        .content-area ol {
            margin: 12px 0 20px 24px;
            color: #2a3a4a;
        }
        .content-area li {
            margin-bottom: 8px;
        }
        .content-area .highlight-box {
            background: #f0f6fc;
            border-left: 4px solid #1e6f9f;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content-area .highlight-box strong {
            color: #0b2a40;
        }
        .content-area .img-wrapper {
            margin: 28px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }
        .content-area .img-wrapper img {
            width: 100%;
            height: auto;
        }
        .content-area .img-wrapper figcaption {
            background: #f8fafc;
            padding: 12px 18px;
            font-size: 14px;
            color: #4a5a6a;
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .sidebar-card h3 {
            font-size: 18px;
            color: #0b2a40;
            margin-bottom: 14px;
            border-bottom: 2px solid #ffd166;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-size: 15px;
            color: #1a4a6e;
            border-bottom: 1px solid #f0f2f5;
            padding-bottom: 8px;
        }
        .sidebar-card li a i {
            color: #ffd166;
            font-size: 14px;
            width: 20px;
            text-align: center;
        }
        .sidebar-card li a:hover {
            color: #0b2a40;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #dce3ea;
            border-radius: 8px;
            font-size: 15px;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #1e6f9f;
        }
        .search-form button {
            background: #1e6f9f;
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #0d3b5c;
        }
        .comment-section,
        .rating-section {
            margin-top: 40px;
            padding-top: 32px;
            border-top: 2px solid #e9edf2;
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 22px;
            color: #0b2a40;
            margin-bottom: 18px;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #dce3ea;
            border-radius: 8px;
            font-size: 15px;
            outline: none;
            transition: border 0.2s;
            margin-bottom: 12px;
            font-family: inherit;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #1e6f9f;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
        }
        .comment-form .form-row input {
            flex: 1;
        }
        .comment-form button {
            background: #1e6f9f;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: #0d3b5c;
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 32px;
            color: #dce3ea;
            cursor: pointer;
            margin-bottom: 16px;
            transition: color 0.2s;
        }
        .rating-stars i.active {
            color: #ffd166;
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: #ffd166;
        }
        .rating-form select {
            padding: 12px 16px;
            border: 2px solid #dce3ea;
            border-radius: 8px;
            font-size: 15px;
            outline: none;
            margin-bottom: 12px;
            width: 100%;
            max-width: 200px;
        }
        .rating-form button {
            background: #ffd166;
            color: #0b2a40;
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: #f0c040;
        }
        footer {
            background: #0b2a40;
            color: #c8d8e8;
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #ffd166;
            font-size: 18px;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-grid p {
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid li {
            margin-bottom: 10px;
        }
        .footer-grid li a {
            color: #a8b8c8;
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-grid li a:hover {
            color: #ffd166;
            text-decoration: none;
        }
        friend-link {
            display: block;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 24px;
            font-size: 14px;
        }
        friend-link a {
            color: #a8b8c8;
            margin: 0 8px;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #ffd166;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: #7a8a9a;
            margin-top: 24px;
        }
        .copyright strong {
            color: #a8b8c8;
        }
        @media (max-width: 1024px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 4px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 16px;
            }
            .content-area {
                padding: 24px 18px;
            }
            .content-area h2 {
                font-size: 24px;
            }
            .content-area h3 {
                font-size: 19px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .breadcrumb ol {
                font-size: 13px;
            }
            .my-logo {
                font-size: 22px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 22px;
            }
            .container {
                padding: 0 12px;
            }
            .content-area {
                padding: 18px 12px;
            }
            .rating-stars {
                font-size: 28px;
            }
        }