* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #3a5a8c;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #c44569;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 16px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f5f7fb;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(196, 69, 105, 0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f5f7fb;
        }
        .my-logo i {
            color: #c44569;
            margin-right: 6px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        nav a {
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
            transition: color 0.25s ease;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #c44569;
            transition: width 0.3s ease;
        }
        nav a:hover {
            color: #fff;
            text-decoration: none;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            color: #f5f7fb;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 8px;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #c44569;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #eaeef5;
            padding: 12px 0;
            font-size: 0.9rem;
            color: #555;
            border-bottom: 1px solid #dce3ed;
        }
        .breadcrumb a {
            color: #3a5a8c;
        }
        .breadcrumb a:hover {
            color: #c44569;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #999;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1a1a2e;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #c44569;
            margin-right: 10px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #16213e;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #c44569;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 24px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2d2d44;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.95rem;
            color: #777;
            margin-bottom: 28px;
            padding: 12px 0;
            border-top: 1px solid #e0e6ef;
            border-bottom: 1px solid #e0e6ef;
        }
        .meta-info i {
            margin-right: 6px;
            color: #c44569;
        }
        .featured-image {
            margin: 30px 0 36px;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #f0f4fe;
            border-left: 5px solid #3a5a8c;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box p {
            margin-bottom: 0;
        }
        .tip-box {
            background: #fef9f0;
            border-left: 5px solid #e67e22;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        ul,
        ol {
            margin: 16px 0 20px 28px;
            font-size: 1.05rem;
            color: #2d2d44;
        }
        li {
            margin-bottom: 8px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.98rem;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        th {
            background: #16213e;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 18px;
            border-bottom: 1px solid #e8ecf3;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8faff;
        }
        .btn {
            display: inline-block;
            padding: 14px 32px;
            background: #c44569;
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 6px 18px rgba(196, 69, 105, 0.3);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn:hover {
            background: #a83256;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(196, 69, 105, 0.4);
            text-decoration: none;
            color: #fff;
        }
        .btn i {
            margin-right: 8px;
        }
        .search-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 28px 0;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid #dce3ed;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
            min-width: 200px;
        }
        .search-form input[type="text"]:focus {
            border-color: #c44569;
        }
        .search-form button {
            padding: 14px 28px;
            background: #3a5a8c;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #2c4a70;
        }
        .feedback-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px 36px;
            margin: 48px 0 32px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .feedback-section h3 {
            margin-top: 0;
            border-bottom: 2px solid #eef2f7;
            padding-bottom: 14px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #1a1a2e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c44569;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 180px;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s ease;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        footer {
            background: #1a1a2e;
            color: #c8d0dc;
            padding: 40px 0 24px;
            font-size: 0.95rem;
        }
        footer a {
            color: #a8b8d0;
        }
        footer a:hover {
            color: #c44569;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #f5f7fb;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 14px;
            border-bottom: 2px solid #2c3e50;
            padding-bottom: 8px;
        }
        .footer-grid ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            padding: 18px 0;
            border-top: 1px solid #2c3e50;
            border-bottom: 1px solid #2c3e50;
            margin-bottom: 18px;
            font-size: 0.95rem;
        }
        friend-link a {
            margin: 0 8px 0 4px;
        }
        .copyright {
            text-align: center;
            padding-top: 18px;
            border-top: 1px solid #2c3e50;
            font-size: 0.88rem;
            color: #8899b0;
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 18px 0 8px;
                border-top: 1px solid #2c3e50;
                margin-top: 12px;
            }
            #nav-toggle:checked~nav {
                display: flex;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feedback-section {
                padding: 24px 20px;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .search-form button {
                padding: 12px 20px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }